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A heat-resistant, cold-resistant and non-cracking pe alloy material for road cones

An alloy material and cold-resistant technology, which is used in the field of PE alloy materials for heat- and cold-resistant non-cracking road cones, can solve the problems of limited modification effect, large difference in surface energy, weak interface bonding, etc. Low cost, good heat and cold resistance

Active Publication Date: 2021-03-02
广东宇豪新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the large difference in surface energy and weak interfacial bonding between inorganic rigid particles and polyethylene materials, the compatibility between the two is poor; especially the huge specific surface area and surface energy of nano rigid particles are very easy to agglomerate, affecting Its dispersion in the polyethylene material matrix severely limits its modification effect

Method used

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  • A heat-resistant, cold-resistant and non-cracking pe alloy material for road cones
  • A heat-resistant, cold-resistant and non-cracking pe alloy material for road cones
  • A heat-resistant, cold-resistant and non-cracking pe alloy material for road cones

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] A heat-resistant, cold-resistant and non-cracking PE alloy material for road cones, prepared from the following raw materials in parts by mass: 75 parts of polyethylene, 10 parts of styrene-ethylene-butadiene-styrene block copolymer, dimethyl 0.1 parts of silicone oil, 6 parts of nano-calcium carbonate, 6 parts of carbon nanotubes, 10 parts of nano-silicon oxide, and 0.5 parts of anti-aging agent.

[0055] The anti-aging agent is composed of 2,5-dimethoxypropiophenone, tris(2,4-di-tert-butylphenyl) phosphite, bis(2,4-di-tert-butylphenol) pentaerythritol diphosphite It is mixed according to the mass ratio of 1:1:1.

[0056] The preparation method of the heat-resistant and cold-resistant non-cracking road cone PE alloy material is as follows:

[0057] Ⅰ. Weigh each raw material component by mass part, mix it and put it under the conditions of 70°C and 200r / min and stir for 30min to obtain the mixture;

[0058] Ⅱ. Place the above-mentioned mixture in a double-roller mill...

Embodiment 2

[0061] A heat-resistant, cold-resistant and non-cracking PE alloy material for road cones, prepared from the following raw materials in parts by mass: 75 parts of polyethylene, 10 parts of styrene-ethylene-butadiene-styrene block copolymer, dimethyl 0.1 parts of silicone oil, 6 parts of nano-calcium carbonate, 10 parts of carbon nanotubes, 6 parts of modified nano-silicon oxide, and 0.5 parts of anti-aging agent.

[0062] The anti-aging agent is composed of 2,5-dimethoxypropiophenone, tris(2,4-di-tert-butylphenyl) phosphite, bis(2,4-di-tert-butylphenol) pentaerythritol diphosphite It is mixed according to the mass ratio of 1:1:1.

[0063] The preparation method of the modified nano silicon oxide:

[0064] Ⅰ. Mix calcium fluoride and 98wt% concentrated sulfuric acid at a mass ratio of 1:1.2, and react for 5 hours at 50°C and an absolute pressure of 0.05MPa to obtain hydrogen fluoride gas;

[0065] Ⅱ. Add absolute ethanol to the nano-silica, stir at 200r / min for 40min at 70°C ...

Embodiment 3

[0072] A heat-resistant, cold-resistant and non-cracking PE alloy material for road cones, prepared from the following raw materials in parts by mass: 75 parts of polyethylene, 10 parts of styrene-ethylene-butadiene-styrene block copolymer, dimethyl 0.1 parts of silicone oil, 10 parts of nano-calcium carbonate, 6 parts of carbon nanotubes, 6 parts of modified nano-silicon oxide, and 0.5 parts of anti-aging agent.

[0073] The anti-aging agent is composed of 2,5-dimethoxy propiophenone, tris (2,4-di-tert-butylphenyl) phosphite, two (2,4-di-tert-butylphenol) pentaerythritol diphosphite It is mixed according to the mass ratio of 1:1:1.

[0074] The preparation method of the modified nano silicon oxide:

[0075] Ⅰ. Mix calcium fluoride and 98wt% concentrated sulfuric acid at a mass ratio of 1:1.2, and react for 5 hours at 50°C and an absolute pressure of 0.05MPa to obtain hydrogen fluoride gas;

[0076] Ⅱ. Add absolute ethanol to the nano-silica, stir at 200r / min for 40min at 70...

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Abstract

The invention discloses a PE alloy material for a heat and cold-resistant non-cracking traffic cone. The PE alloy material for a heat and cold-resistant non-cracking traffic cone is prepared from thefollowing raw materials in parts by mass: 65 to 90 parts of polyethylene, 5 to 15 parts of a styrene-ethylene-butadiene-styrene block copolymer, 0.1 to 0.3 part of dimethicone, 20 to 30 parts of an enhancer and 0.2 to 2 parts of an anti-aging agent. The PE alloy material for the heat and cold-resistant non-cracking traffic cone, provided by the invention, is low in processing cost, and the preparation process is simple; the production process is safe and environmentally friendly; the PE alloy material is good in anti-aging property, high in toughness, strength, heat resistance and cold resistance, is not easy to deform and crack during use, has a wide application range, and is especially suitable for being used in extreme environments.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a heat-resistant, cold-resistant and non-cracking PE alloy material for road cones. Background technique [0002] A polymer is composed of one or several structural units multiple times (10 3 -10 5 ) Repeatedly connected compounds. They are composed of few elements, mainly carbon, hydrogen, oxygen, nitrogen, etc., but the relative molecular mass is very large, generally above 1000, and can be as high as several million. That's why it's called a polymer compound. The basic structural characteristics of high molecular compounds make them have many valuable properties different from low molecular compounds. For example, high mechanical strength, high elasticity, strong plasticity, high hardness, wear resistance, heat resistance, corrosion resistance, solvent resistance, strong electrical insulation, good air tightness, etc., make polymer materials have a very wide rang...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/06C08L53/02C08L83/04C08K13/02C08K3/26C08K3/36C08K3/04C08K5/526C08K5/06
CPCC08K2003/265C08K2201/011C08K2201/014C08L23/06C08L2201/08C08L2205/03C08L53/02C08L83/04C08K13/02C08K3/26C08K3/36C08K3/041C08K5/526C08K5/06
Inventor 饶海亮胡长昕
Owner 广东宇豪新材料科技有限公司
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