阅读说明：本技术 一种耐磨损、高舒适的工矿靴 (Wear-resistant and highly comfortable industrial and mining boot ) 是由 申乾成 黄振 申辉 申暮春 黄自豪 于 2020-06-05 设计创作，主要内容包括：本发明属于工矿防护装备技术领域,特别涉及一种耐磨损、高舒适的工矿靴,所述的工矿靴包括靴底、靴头、靴面和靴筒；所述的靴面和靴底包括两层胶质防护层和位于两层胶质防护层之间的防水布层构成,位于靴面和靴底内侧的胶质防护层上均设有间隔布置的透气孔；本发明提供的工矿靴,其靴底采用顺丁橡胶、顺丁橡胶/PVC共混胶的共混体系,同时在该共混体系中引入了炭黑和氧化锌的复配填充体系,并且,通过芳烃油作为润滑,不仅可以避免在加料时被扬起,即确保作业环境的良好,还可以使该复配填充体系在共混体系中具有较好的相容能力,分散能力,进而提高该工矿靴靴底的耐磨能力。(The invention belongs to the technical field of industrial and mining protective equipment, and particularly relates to a wear-resistant and highly comfortable industrial and mining boot which comprises a boot sole, a boot head, a boot surface and a boot leg; the boot vamp and the boot sole comprise two layers of colloid protective layers and a waterproof cloth layer positioned between the two layers of colloid protective layers, and the colloid protective layers positioned on the inner sides of the boot vamp and the boot sole are respectively provided with air holes which are arranged at intervals; according to the industrial and mining boots provided by the invention, the boot sole adopts a blending system of butadiene rubber and butadiene rubber/PVC blending rubber, a compound filling system of carbon black and zinc oxide is introduced into the blending system, aromatic oil is used for lubrication, so that the boot sole can be prevented from being lifted during charging, the good working environment is ensured, the compound filling system can have good compatibility and dispersibility in the blending system, and the wear resistance of the boot sole of the industrial and mining boots is further improved.)

1. The wear-resistant and high-comfort industrial and mining boots are characterized by comprising boot soles, boot heads, boot surfaces and boot legs; the boot sole is prepared from the following raw material components in parts by weight:

50-75 parts of butadiene rubber, 10-15 parts of butadiene rubber/PVC (polyvinyl chloride) blend, 2-8 parts of anti-aging agent, 1-5 parts of vulcanization accelerator, 5-15 parts of plasticizer, 0.1-1 part of vulcanizing agent, 3-8 parts of aromatic oil, 15-25 parts of carbon black, 1-5 parts of zinc oxide and 1-3 parts of polyethylene wax;

the boots are characterized in that the boot surface and the boot sole comprise two layers of colloid protective layers and a waterproof cloth layer positioned between the two layers of colloid protective layers, and air holes arranged at intervals are formed in the colloid protective layers positioned on the inner sides of the boot surface and the boot sole.

2. The abrasion-resistant, highly comfortable industrial and mining boot according to claim 1, wherein the pore size of the ventilation holes is 0.1-0.5 mm.

3. The wear-resistant, highly comfortable industrial and mining boot according to claim 1, wherein the antioxidant is at least one of antioxidant RD, antioxidant MB and antioxidant 1010.

4. The abrasion-resistant, highly comfortable industrial and mining boot according to claim 1, wherein the vulcanization accelerator is a sulfenamide accelerator and a dithiocarbamate accelerator in a weight ratio of 1: (0.3-2) mixing.

5. The abrasion-resistant, highly comfortable industrial and mining boot according to claim 1, wherein the plasticizer is at least one of a coal tar-based plasticizer, a fatty oil-based plasticizer, and a synthetic plasticizer.

6. The abrasion-resistant, high-comfort industrial and mining boot of claim 1, wherein the vulcanizing agent is sulfur.

Technical Field

The invention belongs to the technical field of industrial and mining protection equipment, and particularly relates to a wear-resistant and high-comfort industrial and mining boot.

Background

The industrial and mining boots are rubber-faced protective boots suitable for industrial and mining operators to wear, belong to one kind of labor insurance shoes, and have the advantages of thick and deep bottoming patterns, skid resistance and wear resistance. The lining of the existing industrial and mineral boots is usually made of common cloth, so that the wear resistance is poor, the surrounding environment of a mine is complex, industrial and mineral operators wearing the industrial and mineral boots need to experience a plurality of footstep actions, the lining of the industrial and mineral boots is easily damaged, and the existing industrial and mineral boots are poor in air permeability and very uncomfortable to wear; in addition, due to the complex road conditions of mines, the wear resistance of the shoe sole of the existing industrial and mining boots is often difficult to meet the requirements.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, provides the wear-resistant and high-comfort industrial and mining boots, and improves the comfort of industrial and mining operators.

In order to achieve the purpose, the invention adopts the following technical scheme:

the wear-resistant and high-comfort industrial and mining boots comprise boot soles, boot heads, boot surfaces and boot legs; the boot sole is prepared from the following raw material components in parts by weight:

50-75 parts of butadiene rubber, 10-15 parts of butadiene rubber/PVC (polyvinyl chloride) blend, 2-8 parts of anti-aging agent, 1-5 parts of vulcanization accelerator, 5-15 parts of plasticizer, 0.1-1 part of vulcanizing agent, 3-8 parts of aromatic oil, 15-25 parts of carbon black, 1-5 parts of zinc oxide and 1-3 parts of polyethylene wax;

the boots are characterized in that the boot surface and the boot sole comprise two layers of colloid protective layers and a waterproof cloth layer positioned between the two layers of colloid protective layers, and air holes arranged at intervals are formed in the colloid protective layers positioned on the inner sides of the boot surface and the boot sole.

Under the optimal condition, the aperture of the air holes is 0.1-0.5 mm.

Preferably, the anti-aging agent is at least one of anti-aging agent RD, anti-aging agent MB and anti-aging agent 1010.

Under the preferable condition, the vulcanization accelerator is a sulfenamide accelerator and a dithiocarbamate accelerator according to the weight ratio of 1: (0.3-2) mixing.

Preferably, the plasticizer is at least one of a coal tar plasticizer, a fatty oil plasticizer and a synthetic plasticizer.

Preferably, the vulcanizing agent is sulfur.

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

1. according to the industrial and mining boots provided by the invention, the boot sole adopts a blending system of butadiene rubber and butadiene rubber/PVC blending rubber, a compound filling system of carbon black and zinc oxide is introduced into the blending system, aromatic oil is used for lubrication, so that the boot sole can be prevented from being lifted during charging, the good working environment is ensured, the compound filling system can have good compatibility and dispersibility in the blending system, and the wear resistance of the boot sole of the industrial and mining boots is further improved;

2. according to the industrial and mining boots provided by the invention, the boot upper and the boot sole respectively comprise two layers of colloid protective layers and a waterproof cloth layer which is matched between the two layers of colloid protective layers to form a protective system, and the colloid protective layers positioned on the inner sides of the boot upper and the boot sole are respectively provided with the air holes which are arranged at intervals, so that the colloid protective layers with the air holes are contacted with the legs and the feet of a wearer, the boots not only have better wear resistance and prevent the problem that the traditional lining is easy to damage, but also wet and hot sweat generated at the legs and the feet of the wearer can enter the side of the waterproof cloth layer through the air holes, the comfort of the legs and the feet of the wearer is improved, and the wet and hot sweat is not easy to absorb by the waterproof cloth layer and is easy to dry.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further clarified with the specific embodiments.

All the starting materials in the present invention, the sources of which are not particularly limited, may be either commercially available or prepared according to conventional methods well known to those skilled in the art. All the raw materials used in the present invention are not particularly limited in purity, and the present invention preferably employs a purity which is conventional in the field of analytical purification or composite materials.

The invention provides a wear-resistant and highly comfortable industrial and mining boot, which comprises a boot sole, a boot head, a boot surface and a boot leg; the boot sole is prepared from the following raw material components in parts by weight:

50-75 parts of butadiene rubber, 10-15 parts of butadiene rubber/PVC (polyvinyl chloride) blend, 2-8 parts of anti-aging agent, 1-5 parts of vulcanization accelerator, 5-15 parts of plasticizer, 0.1-1 part of vulcanizing agent, 3-8 parts of aromatic oil, 15-25 parts of carbon black, 1-5 parts of zinc oxide and 1-3 parts of polyethylene wax;

the boots are characterized in that the boot surface and the boot sole comprise two layers of colloid protective layers and a waterproof cloth layer positioned between the two layers of colloid protective layers, and air holes arranged at intervals are formed in the colloid protective layers positioned on the inner sides of the boot surface and the boot sole.

In the invention, the colloid protective layer is prepared from the following raw materials in parts by weight: 70-90 parts of nitrile rubber, 1-5 parts of oligomeric ester, 10-20 parts of nitrile rubber/ternary nylon blend, 3-6 parts of anti-aging agent, 1-4 parts of vulcanization accelerator, 5-10 parts of plasticizer, 0.2-0.8 part of vulcanizing agent, 2-5 parts of aromatic oil, 20-35 parts of carbon black, 1-5 parts of zinc oxide and 1-3 parts of polyethylene wax. Specifically, the rubber protective layer adopts nitrile rubber doped with oligomeric ester and nitrile rubber/ternary nylon blend, and as nylon has high strength, large modulus, high thermal deformation temperature, creep resistance and fatigue resistance, and the oligomeric ester has compatibilization, reinforcement, plasticization and vulcanization functions, and the two are cooperated, the comprehensive properties of the nitrile rubber product, such as hardness, modulus, tear strength and wear resistance, are improved; in addition, the oil resistance and the solvent resistance of the nitrile rubber product are improved by adding the oligomeric ester and the nitrile rubber/ternary nylon blend.

Furthermore, according to the invention, the oligomeric ester belongs to acrylate compounds, is a multifunctional auxiliary agent with the functions of capacity increasing, reinforcing, plasticizing and vulcanizing, and is cheap and nontoxic; preferably, the oligomeric ester is octa-pentaerythritol bis-adipate (oligomeric ester 12-II, available from Western Ann organic factories).

According to the industrial and mining boots provided by the invention, the colloid protective layers positioned on the inner sides of the boot upper and the boot sole are respectively provided with the air holes which are arranged at intervals, so that damp and hot sweat generated at the legs and the feet of a wearer can enter the side of the waterproof cloth layer through the air holes, the comfort of the legs and the feet of the wearer is improved, and the damp and hot sweat is not easily absorbed by the waterproof cloth layer and is easily dried; preferably, the pore diameter of the air holes is 0.1-0.5 mm.

According to the industrial and mineral boot provided by the invention, the anti-aging agent is commonly used by a person skilled in the art and is mainly used for delaying the aging behaviors of products such as thermal oxidation, ozone and the like, and specifically, the anti-aging agent is at least one of anti-aging agent RD (2,2, 4-trimethyl-1, 2-dihydroquinoline polymer), anti-aging agent MB (2-mercaptobenzimidazole) and anti-aging agent 1010.

In the invention, the vulcanization accelerator is a sulfenamide accelerator and a dithiocarbamate accelerator in a weight ratio of 1: (0.3-2) mixing.

According to the industrial and mineral boot provided by the invention, the plasticizer is mainly used for improving the plasticity of raw rubber and improving the processability of rubber compound, the plasticizer is commonly used by technical personnel in the field, and specifically, the plasticizer is at least one of a coal tar plasticizer (such as coumarone resin), a fatty oil plasticizer (such as stearic acid and stearate) and a synthetic plasticizer (such as phthalate esters, with the trade names of plasticizer DOP, plasticizer DBP and the like; fatty dibasic acid esters with the trade names of plasticizer DOA, plasticizer DOS and the like; and a phosphate plasticizer with the trade names of plasticizer TCP, plasticizer TOP and the like). Further, the plasticizer of the present invention is preferably the plasticizer DOP.

In the invention, the vulcanizing agent is sulfur.

In the invention, all parts of the industrial and mineral boots are assembled into a whole, the specific assembling process is the prior art, namely the industrial and mineral boots are assembled by the boot sole, the boot head, the boot vamp and the boot leg, the specific steps of the method are not described herein,

in the invention, the preparation method of the colloid protective layer comprises the following steps:

putting the nitrile rubber, the oligomeric ester 12-II and the nitrile rubber/ternary nylon co-mixed rubber into an internal mixer, pressurizing and milling for 2 minutes, adding the antioxidant RD, the plasticizer DOP, the aromatic oil, the carbon black, the zinc oxide and the polyethylene wax, pressurizing and milling, and discharging rubber when the temperature is raised to 130 ℃;

adding vulcanizing agent sulfur and accelerant into an open mill, placing the rubber material discharged from the internal mixer on the open mill, controlling the roll temperature to be 50 ℃, controlling the roll distance to be 5mm, pouring the rubber for 4 times left and right, adjusting the roll distance to be 0.3mm, performing thin pressing for 3 times, adjusting the roll distance to be 6mm, cooling the lower piece with water, taking out and air-drying for later use;

preheating the water-cooled glue on an open mill to 50 ℃ and printing the glue into cylindrical film with the diameter of 250 mm; putting the film into a precision preforming machine, wherein the machine body temperature is 60 ℃, the machine head mouth temperature is 75 ℃, and a rubber strip with the width of 40mm and the thickness of 4mm is extruded out, and standing for 24 hours for use;

and (2) carrying out injection vulcanization by adopting an injection vulcanizing agent, namely putting the rubber strip with the width of 40mm and the thickness of 4mm into an input system of an injection vulcanizing machine, injecting the rubber strip into a cavity of a grinding tool through the injection system, pressurizing and vulcanizing at the temperature of 175 ℃ for 3min, automatically pushing out a rear mould, automatically opening, and taking out a product to obtain the colloid protective layer.

The industrial and mining boots provided by the present invention are further illustrated by the following specific examples: