High-strength tear-resistant tarpaulin for transportation and manufacturing method thereof

文档序号:462782 发布日期:2021-12-31 浏览:18次 中文

阅读说明:本技术 一种高强度抗撕裂运输用蓬布及制造方法 (High-strength tear-resistant tarpaulin for transportation and manufacturing method thereof ) 是由 孙玲 于 2021-10-15 设计创作,主要内容包括:本发明公开了一种高强度抗撕裂运输用蓬布,包括改性基体布和高粘接涂布层;所述改性基体布的制备方法为:S1:将尼龙纤维作为上层纬线,涤纶纤维和玻璃纤维按照重量比2:1作为下层纬线混纺编织。本发明的篷布采用改性基体布和高粘接涂布层制造成,改性基体布的制备中,采用上、下层纬线通过经线上下交错进行交织编织形成的基体布性能稳定,然后再通过浸透剂配合电流处理,再其表面形成微孔结构,然后再通过强度改性剂处理,强度改性剂中的硅灰石和六环石经过处理后,能够穿插在基体布料,从而将基体布料的性能更加稳定,提高基体布料的稳定性。(The invention discloses a high-strength tear-resistant tarpaulin for transportation, which comprises a modified base cloth and a high-adhesion coating layer; the preparation method of the modified base cloth comprises the following steps: s1: the nylon fiber is used as the upper layer weft, and the polyester fiber and the glass fiber are used as the lower layer weft according to the weight ratio of 2:1 for blended weaving. The tarpaulin is manufactured by adopting modified base cloth and a high-adhesion coating layer, in the preparation of the modified base cloth, the base cloth formed by interweaving upper and lower layers of weft threads through warp threads in an up-and-down staggered manner is stable in performance, then, the base cloth is treated by a penetrating agent in combination with current, a microporous structure is formed on the surface of the base cloth, then, the base cloth is treated by a strength modifier, and wollastonite and hexacyclic stone in the strength modifier can be inserted into the base cloth after being treated, so that the performance of the base cloth is more stable, and the stability of the base cloth is improved.)

1. The tarpaulin for high-strength tear-resistant transportation is characterized by comprising modified base cloth and a high-adhesion coating layer;

the preparation method of the modified base cloth comprises the following steps:

s1: nylon fibers are used as upper layer wefts, and polyester fibers and glass fibers are used as lower layer wefts in a weight ratio of 2:1 for blended weaving;

s2: then, taking the carbon fibers as warps, and interweaving and weaving the upper and lower layers of wefts by a weaving machine in a vertically staggered manner through the warps to obtain base cloth;

s3: soaking the substrate cloth in soaking agent at 65-75 deg.C for 10-20min, and treating with current at 1-5A;

s4: then transferring to high-pressure permeation treatment in a strength modifier, wherein the high-pressure is 10-20MPa, and the high-pressure time is 5-10min, and after the treatment is finished, washing and drying to obtain modified base cloth;

the preparation method of the high-adhesion coating layer comprises the following steps:

mixing propylene glycol fatty acid ester and a silane coupling agent KH560 according to a weight ratio of 5:1, then adding montmorillonite loaded graphene accounting for 20-30% of the total weight of the propylene glycol fatty acid ester, finally adding a-mercaptoethanol accounting for 1-3 times of the total weight of the propylene glycol fatty acid ester, stirring fully to obtain a high-adhesion coating material, and then coating the high-adhesion coating material on a modified substrate cloth to form a high-adhesion coating layer.

2. The high strength, tear resistant shipping tarpaulin of claim 1, wherein the manufacturing process of the saturant is: adding sulfuric acid into 10-20% of sodium alginate solution according to the weight ratio of 2:1, then adding sodium chloride accounting for 10-20% of the total amount of the sulfuric acid, and stirring to react fully to obtain the penetrant.

3. The high strength, tear resistant shipping tarpaulin of claim 1, wherein the strength modifier is prepared by the method of:

the method comprises the following steps: activating wollastonite and hexacyclic ring stone powder, adding the activated wollastonite and hexacyclic ring stone powder into a magnetic stirrer according to the weight ratio of 1:2, adding ethanol which is 3-4 times of the total weight of the wollastonite, then adding polyethylene glycol which is 1-5% of the total weight of the ethanol, and stirring for 20-30min at the rotating speed of 100-300 r/min;

step two: mixing sodium carbonate and sodium carboxymethylcellulose according to the weight ratio of 1:2, then adding nano calcium carbonate accounting for 10-20% of the total weight of the sodium carbonate, and stirring for 10-20min to obtain a regulator;

step three: adding the regulator into the step one, then increasing the rotating speed to 500-1000r/min, and continuing stirring for 20-30min to obtain the strength modifier.

4. The high strength tear resistant shipping tarpaulin of claim 1, wherein the specific operation steps of wollastonite and hexacyclic stone powder activation are as follows: the wollastonite and the hexacyclic ring stone powder are firstly sent into a proton irradiation box for irradiation treatment, and then sent into an active reactant for reaction for 10-20min at the reaction temperature of 60-80 ℃, and the reaction is finished, washed and dried.

5. The tarpaulin of claim 4, wherein the irradiation power of the proton irradiation box is 100-.

6. The high strength, tear resistant shipping awning cloth of claim 4, wherein said reactive agent is peroxide added to the ethanol solvent in a weight ratio of 1:3 to react sufficiently, the peroxide being dicumyl peroxide.

7. The high strength tear resistant shipping tarpaulin of claim 1, wherein the method of making the montmorillonite loaded graphene is:

s1: carrying out organic treatment on montmorillonite and graphene by using a silane coupling agent, then sending the montmorillonite and the graphene into an acetone solvent according to the weight ratio of 1:3, stirring for reaction, wherein the stirring speed is 100-500r/min, and the stirring time is 20-30 min;

s2: then adding epoxy resin emulsion accounting for 10-20% of the total weight of the montmorillonite and vegetable gum accounting for 5-10% of the total weight of the montmorillonite, stirring at the rotating speed of 100-500r/min for 20-30min, and the stirring temperature is 60-70 ℃ to obtain the montmorillonite-loaded graphene.

8. The high strength, tear resistant shipping tarpaulin of claim 7, wherein the vegetable gum is a combination of one or more of guar gum, flax gum, fenugreek gum.

9. A method of making a high strength, tear resistant shipping tarpaulin of any of the preceding claims 1 to 8, comprising the steps of: and carrying out hot-pressing integrated treatment on the modified base cloth and the high-adhesion coating layer at the hot-pressing temperature of 110-.

Technical Field

The invention relates to the technical field of tarpaulin, in particular to high-strength tear-resistant tarpaulin for transportation and a manufacturing method thereof.

Background

Products of some enterprises need to transport goods for a long time to be delivered to customers, and because of the self reason of the goods needing to be transported, the goods can not be affected with damp, deformed and other damage phenomena in the transportation process, so that the existing freight car can always prepare some tarpaulins to cover the transported products in the transportation process, thereby preventing the products from being affected with damp and damaged; tarpaulin is a waterproof material with high strength, good toughness and softness, and is often used as canvas (canvas), polyester with polyurethane coating or made into polyethylene plastics. Tarpaulins are usually provided with strong grommets at the corners or edges to facilitate lashing, hanging or covering.

The invention provides a tarpaulin for high-strength tear-resistant transportation and a manufacturing method thereof based on the fact that the existing tarpaulin is poor in strength and tear resistance and easy to damage in transportation and affects the use efficiency of the tarpaulin.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the present invention provides a high strength tear resistant transport tarpaulin and a method for manufacturing the same, so as to solve the above-mentioned problems of the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the invention provides a high-strength tear-resistant tarpaulin for transportation, which comprises a modified base cloth and a high-adhesion coating layer;

the preparation method of the modified base cloth comprises the following steps:

s1: nylon fibers are used as upper layer wefts, and polyester fibers and glass fibers are used as lower layer wefts in a weight ratio of 2:1 for blended weaving;

s2: then, taking the carbon fibers as warps, and interweaving and weaving the upper and lower layers of wefts by a weaving machine in a vertically staggered manner through the warps to obtain base cloth;

s3: soaking the substrate cloth in soaking agent at 65-75 deg.C for 10-20min, and treating with current at 1-5A;

s4: then transferring to high-pressure permeation treatment in a strength modifier, wherein the high-pressure is 10-20MPa, and the high-pressure time is 5-10min, and after the treatment is finished, washing and drying to obtain modified base cloth;

the preparation method of the high-adhesion coating layer comprises the following steps:

mixing propylene glycol fatty acid ester and a silane coupling agent KH560 according to a weight ratio of 5:1, then adding montmorillonite loaded graphene accounting for 20-30% of the total weight of the propylene glycol fatty acid ester, finally adding a-mercaptoethanol accounting for 1-3 times of the total weight of the propylene glycol fatty acid ester, stirring fully to obtain a high-adhesion coating material, and then coating the high-adhesion coating material on a modified substrate cloth to form a high-adhesion coating layer.

Preferably, the preparation method of the penetrating agent comprises the following steps: adding sulfuric acid into 10-20% of sodium alginate solution according to the weight ratio of 2:1, then adding sodium chloride accounting for 10-20% of the total amount of the sulfuric acid, and stirring to react fully to obtain the penetrant.

Preferably, the preparation method of the strength modifier comprises the following steps:

the method comprises the following steps: activating wollastonite and hexacyclic ring stone powder, adding the activated wollastonite and hexacyclic ring stone powder into a magnetic stirrer according to the weight ratio of 1:2, adding ethanol which is 3-4 times of the total weight of the wollastonite, then adding polyethylene glycol which is 1-5% of the total weight of the ethanol, and stirring for 20-30min at the rotating speed of 100-300 r/min;

step two: mixing sodium carbonate and sodium carboxymethylcellulose according to the weight ratio of 1:2, then adding nano calcium carbonate accounting for 10-20% of the total weight of the sodium carbonate, and stirring for 10-20min to obtain a regulator;

step three: adding the regulator into the step one, then increasing the rotating speed to 500-1000r/min, and continuing stirring for 20-30min to obtain the strength modifier.

Preferably, the specific operation steps of activating the wollastonite and hexacyclic ring stone powder are as follows: the wollastonite and the hexacyclic ring stone powder are firstly sent into a proton irradiation box for irradiation treatment, and then sent into an active reactant for reaction for 10-20min at the reaction temperature of 60-80 ℃, and the reaction is finished, washed and dried.

Preferably, the irradiation power of the proton irradiation box is 100-500W, and the irradiation time is 10-30 min.

Preferably, the active reactant is peroxide which is dicumyl peroxide added into the ethanol solvent according to the weight ratio of 1:3 to react fully.

Preferably, the preparation method of the montmorillonite-loaded graphene comprises the following steps:

s1: carrying out organic treatment on montmorillonite and graphene by using a silane coupling agent, then sending the montmorillonite and the graphene into an acetone solvent according to the weight ratio of 1:3, stirring for reaction, wherein the stirring speed is 100-500r/min, and the stirring time is 20-30 min;

s2: then adding epoxy resin emulsion accounting for 10-20% of the total weight of the montmorillonite and vegetable gum accounting for 5-10% of the total weight of the montmorillonite, stirring at the rotating speed of 100-500r/min for 20-30min, and the stirring temperature is 60-70 ℃ to obtain the montmorillonite-loaded graphene.

Preferably, the vegetable gum is one or more of guar gum, flax gum and fenugreek gum.

A method of making a high strength tear resistant shipping tarpaulin comprising the steps of: and carrying out hot-pressing integrated treatment on the modified base cloth and the high-adhesion coating layer at the hot-pressing temperature of 110-.

Compared with the prior art, the invention has the following beneficial effects:

1. the tarpaulin is manufactured by adopting modified base cloth and a high-adhesion coating layer, in the preparation of the modified base cloth, the base cloth formed by interweaving upper and lower layers of weft threads through warp threads in an up-and-down staggered manner is stable in performance, then, the base cloth is treated by a penetrating agent in combination with current, a microporous structure is formed on the surface of the base cloth, then, the base cloth is treated by a strength modifier, and wollastonite and hexacyclic stone in the strength modifier can be inserted into the base cloth after being treated, so that the performance of the base cloth is more stable, and the stability of the base cloth is improved.

2. According to the preparation method of the high-adhesion coating layer, the montmorillonite-loaded graphene is matched with the organic raw material, and the prepared coating layer material has high-barrier waterproof performance and good adhesion strength with the base cloth.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The tarpaulin for high-strength tear-resistant transportation comprises modified base cloth and a high-adhesion coating layer;

the preparation method of the modified base cloth comprises the following steps:

s1: nylon fibers are used as upper layer wefts, and polyester fibers and glass fibers are used as lower layer wefts in a weight ratio of 2:1 for blended weaving;

s2: then, taking the carbon fibers as warps, and interweaving and weaving the upper and lower layers of wefts by a weaving machine in a vertically staggered manner through the warps to obtain base cloth;

s3: soaking the substrate cloth in soaking agent at 65-75 deg.C for 10-20min, and treating with current at 1-5A;

s4: then transferring to high-pressure permeation treatment in a strength modifier, wherein the high-pressure is 10-20MPa, and the high-pressure time is 5-10min, and after the treatment is finished, washing and drying to obtain modified base cloth;

the preparation method of the high-adhesion coating layer comprises the following steps:

mixing propylene glycol fatty acid ester and a silane coupling agent KH560 according to a weight ratio of 5:1, then adding montmorillonite loaded graphene accounting for 20-30% of the total weight of the propylene glycol fatty acid ester, finally adding a-mercaptoethanol accounting for 1-3 times of the total weight of the propylene glycol fatty acid ester, stirring fully to obtain a high-adhesion coating material, and then coating the high-adhesion coating material on a modified substrate cloth to form a high-adhesion coating layer.

The preparation method of the penetrating agent in the embodiment comprises the following steps: adding sulfuric acid into 10-20% of sodium alginate solution according to the weight ratio of 2:1, then adding sodium chloride accounting for 10-20% of the total amount of the sulfuric acid, and stirring to react fully to obtain the penetrant.

The preparation method of the strength modifier of the embodiment comprises the following steps:

the method comprises the following steps: activating wollastonite and hexacyclic ring stone powder, adding the activated wollastonite and hexacyclic ring stone powder into a magnetic stirrer according to the weight ratio of 1:2, adding ethanol which is 3-4 times of the total weight of the wollastonite, then adding polyethylene glycol which is 1-5% of the total weight of the ethanol, and stirring for 20-30min at the rotating speed of 100-300 r/min;

step two: mixing sodium carbonate and sodium carboxymethylcellulose according to the weight ratio of 1:2, then adding nano calcium carbonate accounting for 10-20% of the total weight of the sodium carbonate, and stirring for 10-20min to obtain a regulator;

step three: adding the regulator into the step one, then increasing the rotating speed to 500-1000r/min, and continuing stirring for 20-30min to obtain the strength modifier.

The concrete operation steps for activating the wollastonite and hexacyclic ring stone powder in the embodiment are as follows: the wollastonite and the hexacyclic ring stone powder are firstly sent into a proton irradiation box for irradiation treatment, and then sent into an active reactant for reaction for 10-20min at the reaction temperature of 60-80 ℃, and the reaction is finished, washed and dried.

The irradiation power of the proton irradiation box in the embodiment is 100-500W, and the irradiation time is 10-30 min.

The active reactant of this example is peroxide added to ethanol solvent in a weight ratio of 1:3 to react sufficiently, and the peroxide is dicumyl peroxide.

The preparation method of the montmorillonite-loaded graphene comprises the following steps:

s1: carrying out organic treatment on montmorillonite and graphene by using a silane coupling agent, then sending the montmorillonite and the graphene into an acetone solvent according to the weight ratio of 1:3, stirring for reaction, wherein the stirring speed is 100-500r/min, and the stirring time is 20-30 min;

s2: then adding epoxy resin emulsion accounting for 10-20% of the total weight of the montmorillonite and vegetable gum accounting for 5-10% of the total weight of the montmorillonite, stirring at the rotating speed of 100-500r/min for 20-30min, and the stirring temperature is 60-70 ℃ to obtain the montmorillonite-loaded graphene.

The vegetable gum of the present embodiment is a combination of one or more of guar gum, flax gum, and fenugreek gum.

A method of making a high strength tear resistant shipping tarpaulin comprising the steps of: and carrying out hot-pressing integrated treatment on the modified base cloth and the high-adhesion coating layer at the hot-pressing temperature of 110-.

Example 1

The tarpaulin for high-strength tear-resistant transportation comprises modified base cloth and a high-adhesion coating layer;

the preparation method of the modified base cloth comprises the following steps:

s1: nylon fibers are used as upper layer wefts, and polyester fibers and glass fibers are used as lower layer wefts in a weight ratio of 2:1 for blended weaving;

s2: then, taking the carbon fibers as warps, and interweaving and weaving the upper and lower layers of wefts by a weaving machine in a vertically staggered manner through the warps to obtain base cloth;

s3: soaking the substrate cloth in a soaking agent at 65 ℃ for 10-min, wherein the soaking is finished by adopting current treatment with the current intensity of 1A;

s4: then transferring to high-pressure permeation treatment in a strength modifier, wherein the high-pressure is 10MPa, and the high-pressure time is 5min, and after the treatment, washing and drying to obtain modified base cloth;

the preparation method of the high-adhesion coating layer comprises the following steps:

mixing propylene glycol fatty acid ester and a silane coupling agent KH560 according to a weight ratio of 5:1, then adding montmorillonite loaded graphene accounting for 20% of the total weight of the propylene glycol fatty acid ester, finally adding a-mercaptoethanol accounting for 1 time of the total weight of the propylene glycol fatty acid ester, stirring fully to obtain a high-adhesion coating material, and then coating the high-adhesion coating material on a modified substrate cloth to form a high-adhesion coating layer.

The preparation method of the penetrating agent in the embodiment comprises the following steps: adding sulfuric acid into a 10% sodium alginate solution according to the weight ratio of 2:1, then adding sodium chloride accounting for 10% of the total amount of the sulfuric acid, and stirring to react fully to obtain the penetrant.

The preparation method of the strength modifier of the embodiment comprises the following steps:

the method comprises the following steps: activating wollastonite and hexacyclic ring stone powder, adding the activated wollastonite and hexacyclic ring stone powder into a magnetic stirrer according to the weight ratio of 1:2, adding ethanol which is 3 times of the total weight of the wollastonite, adding polyethylene glycol accounting for 1 percent of the total weight of the ethanol, and stirring at the rotating speed of 100r/min for 20 min;

step two: mixing sodium carbonate and sodium carboxymethylcellulose according to the weight ratio of 1:2, then adding nano calcium carbonate accounting for 10% of the total weight of the sodium carbonate, and stirring for 10min to obtain a regulator;

step three: and (3) adding the regulator into the step one, increasing the rotating speed to 500r/min, and continuously stirring for 20min to obtain the strength modifier.

The concrete operation steps for activating the wollastonite and hexacyclic ring stone powder in the embodiment are as follows: the wollastonite and the hexacyclic ring stone powder are firstly sent into a proton irradiation box for irradiation treatment, and then sent into an active reactant for reaction for 10min at the reaction temperature of 60 ℃, and the reaction is finished, washed and dried.

The irradiation power of the proton irradiation box of this embodiment is 100W, and the irradiation time is 10 min.

The active reactant of this example is peroxide added to ethanol solvent in a weight ratio of 1:3 to react sufficiently, and the peroxide is dicumyl peroxide.

The preparation method of the montmorillonite-loaded graphene comprises the following steps:

s1: carrying out organic treatment on montmorillonite and graphene by using a silane coupling agent, then feeding the montmorillonite and the graphene into an acetone solvent according to the weight ratio of 1:3, stirring for reaction, wherein the stirring speed is 100r/min, and the stirring time is 20 min;

s2: then adding epoxy resin emulsion accounting for 10% of the total weight of the montmorillonite and vegetable gum accounting for 5% of the total weight of the montmorillonite, stirring at the rotating speed of 100r/min for 20min, and stirring at the temperature of 60 ℃ to obtain the montmorillonite-loaded graphene.

The vegetable gum of this example is guar gum.

A method of making a high strength tear resistant shipping tarpaulin comprising the steps of: and (3) carrying out hot-pressing integrated treatment on the modified base cloth and the high-adhesion coating layer at the hot-pressing temperature of 110 ℃ for 1min, and then heating and curing by adopting ultraviolet radiation, wherein the ultraviolet irradiation power is 400W, and the irradiation time is 10min to obtain the tarpaulin of the invention.

Example 2

The tarpaulin for high-strength tear-resistant transportation comprises modified base cloth and a high-adhesion coating layer;

the preparation method of the modified base cloth comprises the following steps:

s1: nylon fibers are used as upper layer wefts, and polyester fibers and glass fibers are used as lower layer wefts in a weight ratio of 2:1 for blended weaving;

s2: then, taking the carbon fibers as warps, and interweaving and weaving the upper and lower layers of wefts by a weaving machine in a vertically staggered manner through the warps to obtain base cloth;

s3: soaking the substrate cloth in a soaking agent at 75 deg.C for 20min, and treating with current at 5A;

s4: then transferring to high-pressure permeation treatment in a strength modifier, wherein the high-pressure is 20MPa, and the high-pressure time is 10min, and after the treatment, washing and drying to obtain modified base fabric;

the preparation method of the high-adhesion coating layer comprises the following steps:

mixing propylene glycol fatty acid ester and a silane coupling agent KH560 according to a weight ratio of 5:1, then adding montmorillonite loaded graphene accounting for 30% of the total weight of the propylene glycol fatty acid ester, finally adding a-mercaptoethanol accounting for 3 times of the total weight of the propylene glycol fatty acid ester, stirring fully to obtain a high-adhesion coating material, and then coating the high-adhesion coating material on a modified substrate cloth to form a high-adhesion coating layer.

The preparation method of the penetrating agent in the embodiment comprises the following steps: adding sulfuric acid into a sodium alginate solution with the mass fraction of 20% according to the weight ratio of 2:1, then adding sodium chloride with the mass fraction of 20% of the total amount of the sulfuric acid, and stirring to react fully to obtain the penetrant.

The preparation method of the strength modifier of the embodiment comprises the following steps:

the method comprises the following steps: activating wollastonite and hexacyclic ring stone powder, adding the activated wollastonite and hexacyclic ring stone powder into a magnetic stirrer according to the weight ratio of 1:2, adding ethanol which is 4 times of the total weight of the wollastonite, adding polyethylene glycol accounting for 5 percent of the total weight of the ethanol, and stirring for 30min at the rotating speed of 300 r/min;

step two: mixing sodium carbonate and sodium carboxymethylcellulose according to the weight ratio of 1:2, then adding nano calcium carbonate accounting for 20% of the total weight of the sodium carbonate, and stirring for 20min to obtain a regulator;

step three: and (3) adding the regulator into the step one, increasing the rotating speed to 1000r/min, and continuously stirring for 30min to obtain the strength modifier.

The concrete operation steps for activating the wollastonite and hexacyclic ring stone powder in the embodiment are as follows: the wollastonite and the hexacyclic ring stone powder are firstly sent into a proton irradiation box for irradiation treatment, and then sent into an active reactant for reaction for 20min, the reaction temperature is 80 ℃, and the reaction is finished, washed and dried.

The irradiation power of the proton irradiation box of this embodiment is 500W, and the irradiation time is 30 min.

The active reactant of this example is peroxide added to ethanol solvent in a weight ratio of 1:3 to react sufficiently, and the peroxide is dicumyl peroxide.

The preparation method of the montmorillonite-loaded graphene comprises the following steps:

s1: carrying out organic treatment on montmorillonite and graphene by using a silane coupling agent, and then feeding the montmorillonite and the graphene into an acetone solvent according to the weight ratio of 1:3, stirring for reaction, wherein the stirring speed is 500r/min, and the stirring time is 20-30 min;

s2: then adding epoxy resin emulsion accounting for 20% of the total weight of the montmorillonite and vegetable gum accounting for 10% of the total weight of the montmorillonite, stirring at the rotating speed of 500r/min for 30min, and stirring at the temperature of 70 ℃ to obtain the montmorillonite-loaded graphene.

The vegetable gum of this example is flax gum.

A method of making a high strength tear resistant shipping tarpaulin comprising the steps of: and (3) carrying out hot-pressing integrated treatment on the modified base cloth and the high-adhesion coating layer at the hot-pressing temperature of 120 ℃ for 5min, and then heating and curing by adopting ultraviolet radiation, wherein the ultraviolet irradiation power is 600W, and the irradiation time is 20min to obtain the tarpaulin of the invention.

Example 3

The tarpaulin for high-strength tear-resistant transportation comprises modified base cloth and a high-adhesion coating layer;

the preparation method of the modified base cloth comprises the following steps:

s1: nylon fibers are used as upper layer wefts, and polyester fibers and glass fibers are used as lower layer wefts in a weight ratio of 2:1 for blended weaving;

s2: then, taking the carbon fibers as warps, and interweaving and weaving the upper and lower layers of wefts by a weaving machine in a vertically staggered manner through the warps to obtain base cloth;

s3: soaking the substrate cloth in a soaking agent at 70 deg.C for 15min, and finishing soaking with current intensity of 3A;

s4: then transferring to high-pressure permeation treatment in a strength modifier, wherein the high-pressure is 15MPa, and the high-pressure time is 7.5min, and after the treatment, washing and drying to obtain modified base cloth;

the preparation method of the high-adhesion coating layer comprises the following steps:

mixing propylene glycol fatty acid ester and a silane coupling agent KH560 according to a weight ratio of 5:1, then adding montmorillonite loaded graphene accounting for 25% of the total weight of the propylene glycol fatty acid ester, finally adding a-mercaptoethanol accounting for 2 times of the total weight of the propylene glycol fatty acid ester, stirring fully to obtain a high-adhesion coating material, and then coating the high-adhesion coating material on a modified substrate cloth to form a high-adhesion coating layer.

The preparation method of the penetrating agent in the embodiment comprises the following steps: adding sulfuric acid into a sodium alginate solution with the mass fraction of 15% according to the weight ratio of 2:1, then adding sodium chloride with the mass fraction of 15% of the total amount of the sulfuric acid, and stirring to react fully to obtain the penetrant.

The preparation method of the strength modifier of the embodiment comprises the following steps:

the method comprises the following steps: activating wollastonite and hexacyclic ring stone powder, adding the activated wollastonite and hexacyclic ring stone powder into a magnetic stirrer according to the weight ratio of 1:2, adding ethanol which is 3.5 times of the total weight of the wollastonite, adding polyethylene glycol accounting for 3 percent of the total weight of the ethanol, and stirring at the rotating speed of 200r/min for 25 min;

step two: mixing sodium carbonate and sodium carboxymethylcellulose according to the weight ratio of 1:2, then adding nano calcium carbonate accounting for 15% of the total weight of the sodium carbonate, and stirring for 10-20min to obtain a regulator;

step three: adding the regulator into the step one, then increasing the rotating speed to 1000r/min, and continuing stirring for 25min to obtain the strength modifier.

The concrete operation steps for activating the wollastonite and hexacyclic ring stone powder in the embodiment are as follows: the wollastonite and the hexacyclic ring stone powder are firstly fed into a proton irradiation box for irradiation treatment, then fed into an active reactant for reaction for 15min at the reaction temperature of 70 ℃, and after the reaction is finished, the wollastonite and the hexacyclic ring stone powder are washed and dried.

The irradiation power of the proton irradiation box of this embodiment is 300W, and the irradiation time is 20 min.

The active reactant of this example is peroxide added to ethanol solvent in a weight ratio of 1:3 to react sufficiently, and the peroxide is dicumyl peroxide.

The preparation method of the montmorillonite-loaded graphene comprises the following steps:

s1: carrying out organic treatment on montmorillonite and graphene by using a silane coupling agent, and then feeding the montmorillonite and the graphene into an acetone solvent according to the weight ratio of 1:3, stirring for reaction, wherein the stirring speed is 300r/min, and the stirring time is 25 min;

s2: then adding epoxy resin emulsion accounting for 15% of the total weight of the montmorillonite and vegetable gum accounting for 7.5% of the total weight of the montmorillonite, stirring at the rotating speed of 300r/min for 25min, and stirring at the temperature of 65 ℃ to obtain the montmorillonite-loaded graphene.

The vegetable gum of this example is fenugreek gum.

A method of making a high strength tear resistant shipping tarpaulin comprising the steps of: and (3) carrying out hot-pressing integrated treatment on the modified base cloth and the high-adhesion coating layer at the hot-pressing temperature of 115 ℃ for 3min, and then heating and curing by adopting ultraviolet radiation, wherein the ultraviolet irradiation power is 500W, and the irradiation time is 15min to obtain the tarpaulin of the invention.

Comparative example 1

In contrast to example 3, no strength modifier was added.

Comparative example 2

The difference from example 3 is that no hexacyclic stone powder is added to the strength modifier.

Comparative example 3

Different from the embodiment 3, the montmorillonite loaded graphene is not added.

The results of the performance measurements of examples 1 to 3 and comparative examples 1 to 3 are as follows

As is clear from examples 1 to 3 and comparative examples 1 to 3, the product of example 3 of the present invention has excellent tensile strength at break and peel strength, and the strength properties of the product are significantly improved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

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