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Spraying-free polycarbonate/acrylonitrile styrene/ultrahigh molecular weight polyethylene (PC/AS/UHMWPE) composite material and preparation method thereof

A composite material and spray-free technology, which is applied in the field of polymers, can solve the problems of low surface hardness, easy to scratch the product surface, and non-repeatable use, etc., and achieve the effects of not being easy to fold, excellent fluidity, and delaying aging

Inactive Publication Date: 2017-12-12
广东壹豪新材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Traditionally, the decoration of injection molding products mostly adopts the method of spraying coatings on the surface of injection molding products, but the process of spraying the surface of injection molding products is relatively cumbersome, requiring better manpower and material resources. At the same time, the sprayed coatings are not environmentally friendly. Generally, after three times of spraying and two times of sintering, mistakes in the process will easily damage the product, the scrap rate is high, and it cannot be used repeatedly, resulting in waste of raw materials
[0003] The current research is to modify the injection molding product to make it a product with a metallic texture, but the product currently has the following disadvantages: (1) Flow marks are prone to occur in the sintered area of ​​injection molding; (2) The hardness of the product surface is low, Poor wear resistance, easy to scratch the surface of the product; (3) The weather resistance of the product is poor, easy to oxidize and decompose, and easy to turn yellow

Method used

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  • Spraying-free polycarbonate/acrylonitrile styrene/ultrahigh molecular weight polyethylene (PC/AS/UHMWPE) composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A spray-free PC / AS / UHMWPE composite material, the composite material includes the following raw materials in parts by weight:

[0039] 20 parts polycarbonate

[0040] Acrylonitrile-styrene copolymer 50 parts

[0041] UHMWPE 20 parts

[0042] Brightener 5 parts

[0043] 3 servings glass beads

[0044] Antioxidant 2 parts

[0045] Anti-UV agent 1 part

[0046] Heat stabilizer 2 parts.

[0047] The characteristic density of the polycarbonate is 1.1823-1.2186g / cm 3 , the linear expansion rate is 3.2×10 -5 cm / °C.

[0048] The relative density of the acrylonitrile-styrene copolymer is 1.0578, and the refractive index is 1.50.

[0049] The brightener is modified amide wax.

[0050] The particle size of the glass microspheres is 15 μm, and the roundness rate is 85%.

[0051] The antioxidant is 1,3,5-tris(3,5-di-tert-butyl-4-hydroxyphenyl) isocyanate.

[0052] The anti-UV agent is 2-(2'-hydroxy-3',5'-di-tert-phenyl)-5-chlorinated benzotriazole.

[0053] The thermal st...

Embodiment 2

[0058] A spray-free PC / AS / UHMWPE composite material, the composite material includes the following raw materials in parts by weight:

[0059] 35 parts polycarbonate

[0060] Acrylonitrile-styrene copolymer 42 parts

[0061] UHMWPE 32 parts

[0062] Brightener 8 parts

[0063] 5 parts glass beads

[0064] Antioxidant 3.5 parts

[0065] Anti-UV agent 2 parts

[0066] Heat stabilizer 4 parts.

[0067] The characteristic density of the polycarbonate is 1.1913g / cm 3 , the linear expansion rate is 3.5×10 -5 cm / °C.

[0068] The relative density of the acrylonitrile-styrene copolymer is 1.0640, and the refractive index is 1.53.

[0069] The brightener is polyethylene wax.

[0070] The particle size of the glass microspheres is 42.5 μm, and the roundness rate is 88%.

[0071] The antioxidant is 4,4'-thiobis(3-methyl-6-tert-butylphenol).

[0072] The anti-UV agent is 2-hydroxyl-4-methoxybenzophenone or 2,2'-thiobis(4-tert-octylphenoxy)nickel.

[0073] The heat stabilizer is...

Embodiment 3

[0078] A spray-free PC / AS / UHMWPE composite material, the composite material includes the following raw materials in parts by weight:

[0079] Polycarbonate 50 parts

[0080] Acrylonitrile-styrene copolymer 35 parts

[0081] UHMWPE 45 parts

[0082] Brightener 10 parts

[0083] 7 servings glass beads

[0084] Antioxidant 5 servings

[0085] Anti-UV agent 3 parts

[0086] Heat stabilizer 6 parts.

[0087] The characteristic density of the polycarbonate is 1.2003g / cm 3 , the linear expansion rate is 3.8×10 -5 cm / °C.

[0088] The relative density of the acrylonitrile-styrene copolymer is 1.0702, and the refractive index is 1.58.

[0089] The brightener is RQT-G-1 type brightener.

[0090] The particle size of the glass microspheres is 70 μm, and the roundness rate is 90%.

[0091] The antioxidant is 2,6-di-tert-butyl-p-cresol or 1,1,3-tris(2-methyl-4-hydroxy-5-tert-butylphenyl)butane.

[0092] The anti-UV agent is phenyl o-hydroxybenzoate or tris(1,2,2,6,6-pentamethylp...

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Abstract

The invention relates to the technical field of macromolecules, in particular to a spraying-free polycarbonate / acrylonitrile styrene / ultrahigh molecular weight polyethylene (PC / AS / UHMWPE) composite material and a preparation method thereof. The composite material is prepared from the following raw materials in parts by weight: 20-80 parts of polycarbonate, 20-50 parts of acrylonitrile-styrene resin, 20-70 parts of UHMWPE, 5-15 parts of a brightening agent, 3-10 parts of glass beads, 2-8 parts of an antioxidant, 1-5 parts of anti-ultraviolet (UV) agent and 2-10 parts of a heat stabilizer. The PC / AS / UHMWPE composite material provided by the invention has better properties such as flow property, bright property, self-lubricity, wear resistance and weather resistance, and is good in forming property and processing properties, low in cost and high in use value; the preparation method provided by the invention is simple, convenient to operate and control, stable in quality, high in production efficiency and low in production cost, thus being suitable for large-scale industrial production.

Description

technical field [0001] The invention relates to the technical field of polymers, in particular to a spray-free PC / AS / UHMWPE composite material and a preparation method thereof. Background technique [0002] Traditionally, the decoration of injection molding products mostly adopts the method of spraying coatings on the surface of injection molding products, but the process of spraying the surface of injection molding products is relatively cumbersome, requiring better manpower and material resources. At the same time, the sprayed coatings are not environmentally friendly. Generally, after three times of spraying and two times of sintering, mistakes in the process will easily damage the product, the scrap rate is high, and it cannot be used repeatedly, resulting in waste of raw materials. [0003] The current research is to modify the injection molding product to make it a product with a metallic texture, but the product currently has the following disadvantages: (1) Flow mark...

Claims

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Application Information

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IPC IPC(8): C08L33/20C08L69/00C08L23/06C08L91/06C08K13/04C08K7/28B29C47/92B29C48/92
CPCC08L33/20B29C48/92B29C2948/9258B29C2948/92704C08K2201/003C08L69/00C08L2201/08C08L2205/025C08L2205/035C08L2207/068C08L23/06C08L91/06C08K13/04C08K7/28
Inventor 杨建
Owner 广东壹豪新材料科技股份有限公司
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