阅读说明：本技术 一种高强度复合塑钢板材的制备方法及其应用 (Preparation method and application of high-strength composite plastic steel plate ) 是由 张勇继 于 2021-07-30 设计创作，主要内容包括：本发明属于复合材料制备方法技术领域,具体涉及一种高强度复合塑钢板材的制备方法及其应用。一种高强度复合塑钢板材的制备方法,包含以下步骤：将树脂、补强剂、抗氧剂、改性剂、稳定剂加入搅拌装置中进行搅拌得到混合物A；将混合物A加入双螺杆挤出机的加料搅拌段；加料搅拌段温度升温后加入润滑助剂和相容剂得到混合物B；将混合物B输送到冷却段；将混合物B输送到双螺杆挤出机的熔融段；将熔融段熔融的混合物B输送到熔体输送段；将熔融的混合物B输送到均化段,经过排气段,通过口模挤出成型高强度复合塑钢板材。通过本发明制备方法制备的高强度复合塑钢板材具有易成型,强度高的特点。(The invention belongs to the technical field of composite material preparation methods, and particularly relates to a preparation method and application of a high-strength composite plastic steel plate. A preparation method of a high-strength composite plastic steel plate comprises the following steps: adding the resin, the reinforcing agent, the antioxidant, the modifier and the stabilizer into a stirring device, and stirring to obtain a mixture A; adding the mixture A into a charging and stirring section of a double-screw extruder; after the temperature of the feeding and stirring section is raised, adding a lubricating assistant and a compatilizer to obtain a mixture B; conveying the mixture B to a cooling section; conveying the mixture B to a melting section of a double-screw extruder; conveying the mixture B melted in the melting section to a melt conveying section; and conveying the molten mixture B to a homogenizing section, passing through an exhaust section, and extruding through a die to form the high-strength composite plastic steel plate. The high-strength composite plastic steel plate prepared by the preparation method has the characteristics of easiness in forming and high strength.)

1. The preparation method of the high-strength composite plastic steel plate is characterized by comprising the following steps of:

s1, adding resin, a reinforcing agent, an antioxidant, a modifier and a stabilizer into a stirring device, and stirring to obtain a mixture A;

s2, adding the mixture A into a charging and stirring section of a double-screw extruder;

s3, adding a lubricating additive and a compatilizer after the temperature of the feeding stirring section is raised to obtain a mixture B;

s4, conveying the mixture B to a cooling section;

s5, conveying the mixture B to a melting section of a double-screw extruder;

s6, conveying the mixture B melted in the melting section to a melt conveying section;

and S7, conveying the molten mixture B to a homogenizing section, passing through an exhaust section, and extruding and molding the high-strength composite plastic steel plate through a die.

2. The method for preparing a high-strength composite plastic-steel plate as claimed in claim 1, wherein the stirring condition for stirring to obtain the mixture A in S1 is that the mixture A is stirred for 10-30min under the stirring condition of 300-500 r/min.

3. The method for preparing a high-strength composite plastic-steel plate as claimed in claim 1, wherein the temperature of the S3 feeding and stirring section is increased to 65-75 ℃, the lubricating additive and the compatilizer are added, and the temperature is further increased to 78-85 ℃.

4. The method for preparing a high-strength composite plastic-steel plate as claimed in claim 1, wherein the temperature of the cooling section S4 is reduced to 20-40 ℃.

5. The method for preparing a high strength composite plastic steel plate as claimed in any one of claims 1 to 4, wherein the temperature of the S5 melting section is set to 120-160 ℃.

6. The method for preparing a high-strength composite plastic-steel plate as claimed in claim 1, wherein the temperature of the S6 melt conveying section is set to 120-160 ℃.

7. The method for preparing a high strength composite plastic-steel plate as claimed in claim 1, wherein the temperature of the die in S7 is 125-145 ℃.

8. The method for manufacturing a high strength composite plastic-steel plate as claimed in claim 1, wherein the resin in S1 is polyvinyl chloride.

9. The method for preparing a high-strength composite plastic-steel plate as claimed in claim 1, wherein the reinforcing agent in S1 is activated calcium.

10. Use of the high strength composite plastic steel plate according to any one of claims 1 to 9 in the field of hydraulic engineering.

Technical Field

The invention belongs to the technical field of composite material preparation methods, and particularly relates to a preparation method and application of a high-strength composite plastic steel plate.

Background

At present, steel plates, concrete, masonry, pine piles and other traditional materials which are used in domestic hydraulic engineering in a large amount; the action of destroying the ecological environment is to exploit a large amount of sand and stone and wood; under the development requirements of 'replacing steel with plastic' and 'environmental protection and ecology' advocated by China, the traditional materials such as steel plates, concrete, masonry stone, pine piles and the like replaced by plastic products begin to appear; but the processing technology of the plastic product affects the performance of the product, so that the product is difficult to form, the strength is low, and the performance does not reach the standard; therefore, solving the influence of the processing technology on the product performance is a problem to be solved at present.

Disclosure of Invention

In order to solve the above problems, the present invention provides a method for preparing a high-strength composite plastic steel plate, comprising the following steps:

s1, adding resin, a reinforcing agent, an antioxidant, a modifier and a stabilizer into a stirring device, and stirring to obtain a mixture A;

s2, adding the mixture A into a charging and stirring section of a double-screw extruder;

s3, adding a lubricating additive and a compatilizer after the temperature of the feeding stirring section is raised to obtain a mixture B;

s4, conveying the mixture B to a cooling section;

s5, conveying the mixture B to a melting section of a double-screw extruder;

s6, conveying the mixture B melted in the melting section to a melt conveying section;

and S7, conveying the molten mixture B to a homogenizing section, passing through an exhaust section, and extruding and molding the high-strength composite plastic steel plate through a die.

Preferably, the stirring condition of the mixture A obtained by stirring in the S1 is that the mixture A is stirred for 10-30min under the stirring condition of 300-500 r/min.

Preferably, when the temperature of the S3 feeding stirring section is increased to 65-75 ℃, the lubricating additive and the compatilizer are added, and then the temperature is continuously increased to 78-85 ℃.

Preferably, the temperature of the cooling section of S4 is reduced to 20-40 ℃.

Preferably, the temperature of the S5 melting section is set to 120-160 ℃.

Preferably, the temperature of the melt delivery section of S6 is set at 120-160 ℃.

Preferably, the temperature of the die in S7 is 125-145 ℃.

Preferably, the resin in S1 is polyvinyl chloride.

Preferably, the strengthening agent in S1 is activated calcium.

The invention provides an application of a high-strength composite plastic steel plate in the field of hydraulic engineering.

Advantageous effects

The high-strength composite plastic steel plate prepared by the preparation method has the characteristics of easiness in forming and high strength.

The high-strength composite plastic steel plate prepared by the preparation method does not contain harmful substances such as lead, mercury and the like, can replace traditional materials such as steel plates, concrete, masonry, pine piles and the like used in the traditional slope protection mode, and can reduce sand and stone exploitation.

The high-strength composite plastic steel plate prepared by the preparation method has the advantages of simple and quick construction, small influence on the periphery by the construction and small influence on the natural environment and climate by the construction.

The high-strength composite plastic steel plate prepared by the preparation method has the advantages of lower manufacturing cost, no rusting, corrosion and peeling, and no need of later maintenance; the method can be applied to slope protection of medium and small rivers, bank protection, water stop, water retaining, cofferdam, irrigation and drainage channels of farmland and water conservancy, artificial lakes, landscape lakes, ball courses, hydrophilic platform bank protection, lakes, wetland slope protection, wave retaining, water gates, dam protection, piping prevention, sea bank banks, ship quay walls, fishing port wharfs, marine products, fishery culture site bank protection, culture fish ponds, road side slopes, roadbed protection, mountain slope elimination, water retaining of garbage disposal sites and partition walls.

Detailed Description

The technical features of the technical solutions provided by the present invention are further clearly and completely described below with reference to the specific embodiments, and the scope of protection is not limited thereto.

The words "preferred", "more preferred", and the like, in the present invention refer to embodiments of the invention that may provide certain benefits, under certain circumstances. However, other embodiments may be preferred, under the same or other circumstances. Furthermore, the recitation of one or more preferred embodiments does not imply that other embodiments are not useful, nor is it intended to exclude other embodiments from the scope of the invention.

A preparation method of a high-strength composite plastic steel plate comprises the following steps:

s1, adding resin, a reinforcing agent, an antioxidant, a modifier and a stabilizer into a stirring device, and stirring to obtain a mixture A;

s2, adding the mixture A into a charging and stirring section of a double-screw extruder;

s3, adding a lubricating additive and a compatilizer after the temperature of the feeding stirring section is raised to obtain a mixture B;

s4, conveying the mixture B to a cooling section;

s5, conveying the mixture B to a melting section of a double-screw extruder;

s6, conveying the mixture B melted in the melting section to a melt conveying section;

and S7, conveying the molten mixture B to a homogenizing section, passing through an exhaust section, and extruding and molding the high-strength composite plastic steel plate through a die.

In one embodiment, the exhaust section in S7 is divided into an air exhaust section and a vacuum exhaust section.

In one embodiment, the gas discharge section discharges gas generated during melt mixing of the materials into the air under atmospheric pressure.

In one embodiment, the vacuum exhaust section will further force the exhaust of gases remaining in the material.

The applicant found in experiments that, surprisingly, the vacuum evacuation section would forcibly evacuate the gas remaining in the material, at which point the device lead is reduced and the filling of the screw channel with melt is greater than 1, so that pressure is built up to finally extrude the mixed material from the die.

In one embodiment, the stirring condition of the mixture A obtained by stirring in the step S1 is that the mixture A is stirred for 10-30min under the stirring condition of 300-500 r/min.

In one embodiment, when the temperature of the S3 feeding stirring section is increased to 65-75 ℃, the lubricating additive and the compatilizer are added, and the temperature is increased to 78-85 ℃ continuously.

In the experiments, the applicant has unexpectedly found that the interaction force between the materials is changed by the heat transferred to the cylinder by the heater and the kneading of the materials by the rotating element from the uniformly stirred materials conveyed to the warming and stirring section.

In one embodiment, the temperature of the S3 feeding stirring section is increased to 70 ℃, the lubricating additive and the compatilizer are added, and the temperature is increased to 80 ℃ continuously.

In one embodiment, the temperature of the cooling section of S4 is reduced to 20-40 ℃.

In one embodiment, the S4 cooling section temperature is reduced to 30 ℃.

The applicant has found in experiments that the sequence of molecular chain segments in the material can be adjusted by cooling the material.

In one embodiment, the temperature of the S5 melting section is set at 120-160 ℃.

In one embodiment, the temperature of the S5 melting section is set to 140 ℃.

In experiments, the applicant unexpectedly finds that when the materials in the melting section are subjected to the kneading, extruding and shearing effects of a double-screw extruder, the temperature in the melting section is set to be too high, so that the materials are oxidized, and the performance of the product is reduced.

In one embodiment, the temperature of the S6 melt conveying section is set at 120-160 ℃.

In one embodiment, the temperature of the S6 melt conveying section is set to 140 ℃.

In one embodiment, the temperature at the die in S7 is 125-145 ℃.

In one embodiment, the die temperature in S7 is 135 ℃.

In one embodiment, the resin in S1 is polyvinyl chloride.

In one embodiment, the strengthening agent in S1 is activated calcium.

In one embodiment, the activated calcium is precipitated calcium carbonate.

In one embodiment, the antioxidant in S1 is a mixture of phosphite, 2, 6-di-tert-butyl-p-methylphenol, 2, 6-di-tert-butyl-4-methylphenol.

In one embodiment, the antioxidant in S1 is a phosphite, 2, 6-di-tert-butyl-p-methylphenol, and 2, 6-di-tert-butyl-4-methylphenol in a weight ratio of 4:1: 2.

In one embodiment, the modifier in S1 is an ACR modifier.

In one embodiment, the ACR modifier is an ACR resin prepared from an acrylate monomer by an emulsion polymerization process.

In one embodiment, the stabilizer in S1 is a calcium zinc stabilizer.

In one embodiment, the lubricating additives in S3 include lubricating additive a and lubricating additive B.

In one embodiment, the lubricating aid a is a PE wax.

In one embodiment, the lubricating aid B is epoxidized soybean oil.

In one embodiment, the weight ratio of lubricating aid a to lubricating aid B is 1: 1.

in one embodiment, the compatibilizer in S3 is a vinyl chloride-vinyl acetate copolymer.

The invention provides an application of a high-strength composite plastic steel plate in the field of hydraulic engineering.

Examples

Example 1

A preparation method of a high-strength composite plastic steel plate comprises the following steps:

s1, adding 85 parts by weight of resin, 20 parts by weight of reinforcing agent, 2 parts by weight of antioxidant, 2 parts by weight of modifier and 2.5 parts by weight of stabilizer into a stirring device, and stirring to obtain a mixture A;

s2, adding the mixture A into a charging and stirring section of a double-screw extruder;

s3, heating the temperature of the charging and stirring section, and adding 6 parts of lubricating additive and 3 parts of compatilizer to obtain a mixture B;

s4, conveying the mixture B to a cooling section;

s5, conveying the mixture B to a melting section of a double-screw extruder;

s6, conveying the mixture B melted in the melting section to a melt conveying section;

and S7, conveying the molten mixture B to a homogenizing section, passing through an exhaust section, and extruding and molding the high-strength composite plastic steel plate through a die.

The stirring condition of the mixture A obtained by stirring in the S1 is that the mixture A is stirred for 30min under the stirring condition of 300 r/min.

And when the temperature of the S3 feeding stirring section is raised to 70 ℃, adding the lubricating additive and the compatilizer, and then continuously raising the temperature to 80 ℃.

The temperature of the cooling section of S4 was reduced to 30 ℃.

The temperature of the S5 melting section was set to 140 ℃.

The temperature of the S6 melt conveying section was set at 140 ℃.

The temperature of the middle die of the S7 is 135 ℃.

And the resin in the S1 is polyvinyl chloride.

The polyvinyl chloride purchasing manufacturer is a chlor-alkali industry division company of electric metallurgy of Ordos, inner Mongolia, and the model is SG-5.

And the reinforcing agent in the S1 is light calcium carbonate.

The light calcium carbonate purchasing manufacturer is Guangyuan ultra-fine powder company Limited in Jiangyin, and the model is YG.

The antioxidant in S1 is a mixture of phosphite ester, 2, 6-di-tert-butyl-p-methylphenol and 2, 6-di-tert-butyl-4-methylphenol.

The antioxidant in S1 is phosphite ester, 2, 6-di-tert-butyl-p-methylphenol and 2, 6-di-tert-butyl-4-methylphenol in a weight ratio of 4:1: 2.

The modifier in the S1 is ACR modifier.

The ACR modifier is ACR resin prepared from acrylate monomers by an emulsion polymerization process.

The ACR modifier is purchased from Zibo Huaxing auxiliary agent Co., Ltd, and has the model of ACR-ZB-401.

The stabilizer in the S1 is a calcium zinc stabilizer.

The calcium content in the calcium-zinc stabilizer is 16 wt%, and the zinc content is 9 wt%.

The purchasing manufacturer of the calcium-zinc stabilizer is Hengshuixing auxiliary agent company Limited.

The lubricating auxiliaries in S3 include lubricating auxiliary A and lubricating auxiliary B.

The lubricating additive A is PE wax.

The PE wax purchasing manufacturer is Ninghai Boer chemical industry Co., Ltd, and the model is BR-2.

The lubricating additive B is epoxidized soybean oil.

The epoxidized soybean oil was purchased from Jinan Ming Wei chemical Co.

The weight ratio of the lubricating additive A to the lubricating additive B is 1: 1.

and the compatilizer in the S3 is vinyl chloride-vinyl acetate copolymer.

The vinyl chloride-vinyl acetate copolymer is purchased from Hubei Shuixi Biotech Co., Ltd., model number LC-201.

Example 2

A preparation method of a high-strength composite plastic steel plate comprises the following steps:

s1, adding 85 parts by weight of resin, 20 parts by weight of reinforcing agent, 2 parts by weight of antioxidant, 2 parts by weight of modifier and 2.5 parts by weight of stabilizer into a stirring device, and stirring to obtain a mixture A;

s2, adding the mixture A into a charging and stirring section of a double-screw extruder;

s3, heating the temperature of the charging and stirring section, and adding 6 parts of lubricating additive and 3 parts of compatilizer to obtain a mixture B;

s4, conveying the mixture B to a cooling section;

s5, conveying the mixture B to a melting section of a double-screw extruder;

s6, conveying the mixture B melted in the melting section to a melt conveying section;

and S7, conveying the molten mixture B to a homogenizing section, passing through an exhaust section, and extruding and molding the high-strength composite plastic steel plate through a die.

The stirring condition of the mixture A obtained by stirring in the S1 is that the mixture A is stirred for 10min under the stirring condition of 500 r/min.

And when the temperature of the S3 feeding stirring section is raised to 70 ℃, adding the lubricating additive and the compatilizer, and then continuously raising the temperature to 80 ℃.

The temperature of the cooling section of S4 was reduced to 30 ℃.

The temperature of the S5 melting section was set to 140 ℃.

The temperature of the S6 melt conveying section was set at 140 ℃.

The temperature of the middle die of the S7 is 135 ℃.

And the resin in the S1 is polyvinyl chloride.

The polyvinyl chloride purchasing manufacturer is a chlor-alkali industry division company of electric metallurgy of Ordos, inner Mongolia, and the model is SG-5.

And the reinforcing agent in the S1 is light calcium carbonate.

The light calcium carbonate purchasing manufacturer is Guangyuan ultra-fine powder company Limited in Jiangyin, and the model is YG.

The antioxidant in S1 is a mixture of phosphite ester, 2, 6-di-tert-butyl-p-methylphenol and 2, 6-di-tert-butyl-4-methylphenol.

The antioxidant in S1 is phosphite ester, 2, 6-di-tert-butyl-p-methylphenol and 2, 6-di-tert-butyl-4-methylphenol in a weight ratio of 4:1: 2.

The modifier in the S1 is ACR modifier.

The ACR modifier is ACR resin prepared from acrylate monomers by an emulsion polymerization process.

The ACR modifier is purchased from Zibo Huaxing auxiliary agent Co., Ltd, and has the model of ACR-ZB-401.

The stabilizer in the S1 is a calcium zinc stabilizer.

The calcium content in the calcium-zinc stabilizer is 16 wt%, and the zinc content is 9 wt%.

The purchasing manufacturer of the calcium-zinc stabilizer is Hengshuixing auxiliary agent company Limited.

The lubricating auxiliaries in S3 include lubricating auxiliary A and lubricating auxiliary B.

The lubricating additive A is PE wax.

The PE wax purchasing manufacturer is Ninghai Boer chemical industry Co., Ltd, and the model is BR-2.

The lubricating additive B is epoxidized soybean oil.

The epoxidized soybean oil was purchased from Jinan Ming Wei chemical Co.

The weight ratio of the lubricating additive A to the lubricating additive B is 1: 1.

and the compatilizer in the S3 is vinyl chloride-vinyl acetate copolymer.

The vinyl chloride-vinyl acetate copolymer is purchased from Hubei Shuixi Biotech Co., Ltd., model number LC-201.

Example 3

A preparation method of a high-strength composite plastic steel plate comprises the following steps:

s1, adding 85 parts by weight of resin, 20 parts by weight of reinforcing agent, 2 parts by weight of antioxidant, 2 parts by weight of modifier and 2.5 parts by weight of stabilizer into a stirring device, and stirring to obtain a mixture A;

s2, adding the mixture A into a charging and stirring section of a double-screw extruder;

s3, heating the temperature of the charging and stirring section, and adding 6 parts of lubricating additive and 3 parts of compatilizer to obtain a mixture B;

s4, conveying the mixture B to a cooling section;

s5, conveying the mixture B to a melting section of a double-screw extruder;

s6, conveying the mixture B melted in the melting section to a melt conveying section;

and S7, conveying the molten mixture B to a homogenizing section, passing through an exhaust section, and extruding and molding the high-strength composite plastic steel plate through a die.

The stirring condition of the mixture A obtained by stirring in the S1 is that the mixture A is stirred for 10min under the stirring condition of 500 r/min.

And when the temperature of the S3 feeding stirring section is raised to 50 ℃, adding the lubricating additive and the compatilizer, and then continuously raising the temperature to 60 ℃.

The temperature of the cooling section of S4 was reduced to 30 ℃.

The temperature of the S5 melting section was set to 140 ℃.

The temperature of the S6 melt conveying section was set at 140 ℃.

The temperature of the middle die of the S7 is 135 ℃.

And the resin in the S1 is polyvinyl chloride.

The polyvinyl chloride purchasing manufacturer is a chlor-alkali industry division company of electric metallurgy of Ordos, inner Mongolia, and the model is SG-5.

And the reinforcing agent in the S1 is light calcium carbonate.

The light calcium carbonate purchasing manufacturer is Guangyuan ultra-fine powder company Limited in Jiangyin, and the model is YG.

The antioxidant in S1 is a mixture of phosphite ester, 2, 6-di-tert-butyl-p-methylphenol and 2, 6-di-tert-butyl-4-methylphenol.

The antioxidant in S1 is phosphite ester, 2, 6-di-tert-butyl-p-methylphenol and 2, 6-di-tert-butyl-4-methylphenol in a weight ratio of 4:1: 2.

The modifier in the S1 is ACR modifier.

The ACR modifier is ACR resin prepared from acrylate monomers by an emulsion polymerization process.

The ACR modifier is purchased from Zibo Huaxing auxiliary agent Co., Ltd, and has the model of ACR-ZB-401.

The stabilizer in the S1 is a calcium zinc stabilizer.

The calcium content in the calcium-zinc stabilizer is 16 wt%, and the zinc content is 9 wt%.

The purchasing manufacturer of the calcium-zinc stabilizer is Hengshuixing auxiliary agent company Limited.

The lubricating auxiliaries in S3 include lubricating auxiliary A and lubricating auxiliary B.

The lubricating additive A is PE wax.

The PE wax purchasing manufacturer is Ninghai Boer chemical industry Co., Ltd, and the model is BR-2.

The lubricating additive B is epoxidized soybean oil.

The epoxidized soybean oil was purchased from Jinan Ming Wei chemical Co.

The weight ratio of the lubricating additive A to the lubricating additive B is 1: 1.

and the compatilizer in the S3 is vinyl chloride-vinyl acetate copolymer.

The vinyl chloride-vinyl acetate copolymer is purchased from Hubei Shuixi Biotech Co., Ltd., model number LC-201.

Example 4

A preparation method of a high-strength composite plastic steel plate comprises the following steps:

s1, adding 85 parts by weight of resin, 20 parts by weight of reinforcing agent, 2 parts by weight of antioxidant, 2 parts by weight of modifier and 2.5 parts by weight of stabilizer into a stirring device, and stirring to obtain a mixture A;

s2, adding the mixture A into a charging and stirring section of a double-screw extruder;

s3, heating the temperature of the charging and stirring section, and adding 6 parts of lubricating additive and 3 parts of compatilizer to obtain a mixture B;

s4, conveying the mixture B to a melting section of a double-screw extruder;

s5, conveying the mixture B melted in the melting section to a melt conveying section;

and S6, conveying the molten mixture B to a homogenizing section, passing through an exhaust section, and extruding and molding the high-strength composite plastic steel plate through a die.

The stirring condition of the mixture A obtained by stirring in the S1 is that the mixture A is stirred for 10min under the stirring condition of 500 r/min.

And when the temperature of the S3 feeding stirring section is raised to 70 ℃, adding the lubricating additive and the compatilizer, and then continuously raising the temperature to 80 ℃.

The temperature of the S4 melting section was set to 140 ℃.

The temperature of the S5 melt conveying section was set at 140 ℃.

The temperature of the middle die of the S6 is 135 ℃.

And the resin in the S1 is polyvinyl chloride.

The polyvinyl chloride purchasing manufacturer is a chlor-alkali industry division company of electric metallurgy of Ordos, inner Mongolia, and the model is SG-5.

And the reinforcing agent in the S1 is light calcium carbonate.

The light calcium carbonate purchasing manufacturer is Guangyuan ultra-fine powder company Limited in Jiangyin, and the model is YG.

The antioxidant in S1 is a mixture of phosphite ester, 2, 6-di-tert-butyl-p-methylphenol and 2, 6-di-tert-butyl-4-methylphenol.

The antioxidant in S1 is phosphite ester, 2, 6-di-tert-butyl-p-methylphenol and 2, 6-di-tert-butyl-4-methylphenol in a weight ratio of 4:1: 2.

The modifier in the S1 is ACR modifier.

The ACR modifier is ACR resin prepared from acrylate monomers by an emulsion polymerization process.

The ACR modifier is purchased from Zibo Huaxing auxiliary agent Co., Ltd, and has the model of ACR-ZB-401.

The stabilizer in the S1 is a calcium zinc stabilizer.

The calcium content in the calcium-zinc stabilizer is 16 wt%, and the zinc content is 9 wt%.

The purchasing manufacturer of the calcium-zinc stabilizer is Hengshuixing auxiliary agent company Limited.

The lubricating auxiliaries in S3 include lubricating auxiliary A and lubricating auxiliary B.

The lubricating additive A is PE wax.

The PE wax purchasing manufacturer is Ninghai Boer chemical industry Co., Ltd, and the model is BR-2.

The lubricating additive B is epoxidized soybean oil.

The epoxidized soybean oil was purchased from Jinan Ming Wei chemical Co.

The weight ratio of the lubricating additive A to the lubricating additive B is 1: 1.

and the compatilizer in the S3 is vinyl chloride-vinyl acetate copolymer.

The vinyl chloride-vinyl acetate copolymer is purchased from Hubei Shuixi Biotech Co., Ltd., model number LC-201.

Example 5

A preparation method of a high-strength composite plastic steel plate comprises the following steps:

s1, adding 85 parts by weight of resin, 20 parts by weight of reinforcing agent, 2 parts by weight of antioxidant, 2 parts by weight of modifier and 2.5 parts by weight of stabilizer into a stirring device, and stirring to obtain a mixture A;

s2, adding the mixture A into a charging and stirring section of a double-screw extruder;

s3, heating the temperature of the charging and stirring section, and adding 6 parts of lubricating additive and 3 parts of compatilizer to obtain a mixture B;

s4, conveying the mixture B to a cooling section;

s5, conveying the mixture B to a melting section of a double-screw extruder;

s6, conveying the mixture B melted in the melting section to a melt conveying section;

and S7, conveying the molten mixture B to a homogenizing section, passing through an exhaust section, and extruding and molding the high-strength composite plastic steel plate through a die.

The stirring condition of the mixture A obtained by stirring in the S1 is that the mixture A is stirred for 10min under the stirring condition of 500 r/min.

And when the temperature of the S3 feeding stirring section is raised to 70 ℃, adding the lubricating additive and the compatilizer, and then continuously raising the temperature to 80 ℃.

The temperature of the cooling section of S4 was reduced to 30 ℃.

The temperature of the S5 melting section was set to 180 ℃.

The temperature of the S6 melt conveying section was set at 180 ℃.

The temperature of the middle die of the S7 is 135 ℃.

And the resin in the S1 is polyvinyl chloride.

The polyvinyl chloride purchasing manufacturer is a chlor-alkali industry division company of electric metallurgy of Ordos, inner Mongolia, and the model is SG-5.

And the reinforcing agent in the S1 is light calcium carbonate.

The light calcium carbonate purchasing manufacturer is Guangyuan ultra-fine powder company Limited in Jiangyin, and the model is YG.

The antioxidant in S1 is a mixture of phosphite ester, 2, 6-di-tert-butyl-p-methylphenol and 2, 6-di-tert-butyl-4-methylphenol.

The antioxidant in S1 is phosphite ester, 2, 6-di-tert-butyl-p-methylphenol and 2, 6-di-tert-butyl-4-methylphenol in a weight ratio of 4:1: 2.

The modifier in the S1 is ACR modifier.

The ACR modifier is ACR resin prepared from acrylate monomers by an emulsion polymerization process.

The ACR modifier is purchased from Zibo Huaxing auxiliary agent Co., Ltd, and has the model of ACR-ZB-401.

The stabilizer in the S1 is a calcium zinc stabilizer.

The calcium content in the calcium-zinc stabilizer is 16 wt%, and the zinc content is 9 wt%.

The purchasing manufacturer of the calcium-zinc stabilizer is Hengshuixing auxiliary agent company Limited.

The lubricating auxiliaries in S3 include lubricating auxiliary A and lubricating auxiliary B.

The lubricating additive A is PE wax.

The PE wax purchasing manufacturer is Ninghai Boer chemical industry Co., Ltd, and the model is BR-2.

The lubricating additive B is epoxidized soybean oil.

The epoxidized soybean oil was purchased from Jinan Ming Wei chemical Co.

The weight ratio of the lubricating additive A to the lubricating additive B is 1: 1.

and the compatilizer in the S3 is vinyl chloride-vinyl acetate copolymer.

The vinyl chloride-vinyl acetate copolymer is purchased from Hubei Shuixi Biotech Co., Ltd., model number LC-201.

And (3) performance testing:

the following performance tests were performed on the high strength composite plastic steel sheets prepared in examples 1 to 5, and the test data are shown in table 1.

1. Vicat softening point: the test is carried out according to the standard of GB/T1633-2000 by adopting the conditions of 50N load and 50 ℃/h heating rate.

2. Cantilever beam impact strength: the test was carried out by the standard of GB/T1843-2008.

3. Heat distortion temperature: the test was carried out by the standard of GB/T1634.2-2019.

4. Tensile strength: the tensile strength was tested at a test speed of 5mm/min according to the GB/T1040.2-2006 standard.

TABLE 1

The foregoing example embodiments are merely illustrative and serve to explain some of the features of the method of the present invention. The appended claims are intended to claim as broad a scope as is contemplated, and the examples presented herein are merely illustrative of selected implementations in accordance with all possible combinations of examples. Accordingly, it is applicants' intention that the appended claims are not to be limited by the choice of examples illustrating features of the invention. Also, where numerical ranges are used in the claims, subranges therein are included, and variations in these ranges are also to be construed as possible being covered by the appended claims.