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Polyethylene glycol terephthalate composite material and preparation method thereof

A technology of polyethylene terephthalate and glycol phthalate, which is applied in the field of polyester composite materials and can solve problems such as poor coloring performance

Active Publication Date: 2013-06-26
SHANGHAI PRET COMPOSITES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Aiming at the problem of poor coloring performance of polyester materials in the prior art, the present invention provides a polyethylene terephthalate composite material and its preparation method, which can reduce the color change of polyester materials during injection molding

Method used

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  • Polyethylene glycol terephthalate composite material and preparation method thereof
  • Polyethylene glycol terephthalate composite material and preparation method thereof
  • Polyethylene glycol terephthalate composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] PBT resin (intrinsic viscosity 1.0dl / g) 96g

[0064] ABS high rubber powder (butadiene comonomer content 50%) 2g

[0065] Zinc sulfide 0.8g

[0066] Transparent green 0.01g

[0067] Carbon black 0.29g

[0068] OP wax 0.5g

[0069] Tetrakis[methyl-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester 0.2g

[0070] Tris(2,4-di-tert-butylphenyl)phosphite 0.2g

[0071] Weigh various raw materials according to weight percentage, and dry mix them in a high-speed mixer for 3 to 5 minutes; put the mixed raw materials in a twin-screw machine, melt and extrude, and granulate. The temperatures of the twin-screw extruder are (from the feeding port to the extrusion die): 230°C, 230°C, 235°C, 240°C, 260°C. The host speed is 35 Hz.

Embodiment 2

[0082] PBT resin (intrinsic viscosity 50dl / g) 76g

[0083] ABS high rubber powder (butadiene comonomer content 70%) 2g

[0084] Glass fiber 20g

[0085] Zinc sulfide 0.8g

[0086] Transparent green 0.01g

[0087] Carbon black 0.29g

[0088] OP wax 0.5g

[0089] Tetrakis[methyl-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester 0.2g

[0090] Tris(2,4-di-tert-butylphenyl)phosphite 0.2g

[0091] Weigh various raw materials according to weight percentage, (except glass fiber) and dry mix them in a high-speed mixer for 3 to 5 minutes; put the mixed raw materials in a twin-screw machine (glass fiber is added at the first exhaust port), After melt extrusion, granulation. The temperatures of the twin-screw extruder are (from the feeding port to the extrusion die): 230°C, 230°C, 235°C, 240°C, 260°C. The host speed is 35 Hz.

Embodiment 3

[0103] PBT resin (intrinsic viscosity 150dl / g) 75g

[0104] ABS high rubber powder (butadiene comonomer content 55%) 3g

[0105] Wollastonite 20g

[0106]Zinc sulfide 0.8g

[0107] Transparent green 0.01g

[0108] Carbon black 0.29g

[0109] OP wax 0.5g

[0110] Tetrakis[methyl-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester 0.2g

[0111] Tris(2,4-di-tert-butylphenyl)phosphite 0.2g

[0112] Weigh various raw materials according to weight percentage, (except glass fiber) and dry mix them in a high-speed mixer for 3 to 5 minutes; put the mixed raw materials in a twin-screw machine (glass fiber is added at the first exhaust port), After melt extrusion, granulation. The temperatures of the twin-screw extruder are (from the feeding port to the extrusion die): 230°C, 230°C, 235°C, 240°C, 260°C. The host speed is 35 Hz.

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Abstract

The invention provides a polyethylene glycol terephthalate composite material, and the tolyethylene glycol terephthalate composite material is prepared from the following components: polyester, ABS (Acrylonitrile Butadiene Styrene) powder, an antioxidant and an additive. The invention also provides a preparation method of the polyethylene glycol terephthalate composite material. The prepared polyethylene glycol terephthalate composite material has good coloring stability and can also ensure good mechanical property.

Description

technical field [0001] The invention relates to a polyester composite material, in particular to a polyester composite with stable coloring performance and a preparation method thereof. Background technique [0002] Polyethylene terephthalate (polyester) such as PBT (polybutylene terephthalate, polybutylene terephthalate) and PET (polyethylene terephthalate, polyethylene terephthalate) is composed of diol and terephthalate The high molecular polymer obtained by polycondensation of formic acid has high heat resistance, good toughness, fatigue resistance, weather resistance and self-lubrication, low friction coefficient and water absorption, and is not easy to burn. [0003] In the early days, polyethylene terephthalate was mainly used as film and chemical fiber. Due to its good processing performance and mechanical properties, it has been used as engineering plastic and has become one of the five general-purpose engineering plastics. It is widely used in automobile manufactur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L55/02C08K7/14C08K3/30C08K3/34B29C47/92B29C48/92
Inventor 刘正军张祥福周文
Owner SHANGHAI PRET COMPOSITES
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