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Cold-resistant high gloss PC/PBT/PETG alloy material and preparation method thereof

An alloy material, high gloss technology, applied in the field of thermoplastic polymer materials, can solve the problems of low thermal deformation temperature and limited application, achieve high surface gloss, improve the characteristics of warpage deformation, and high heat resistance.

Inactive Publication Date: 2016-03-23
GUANGDONG WAYLAM ENG PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The PETG material is hard and durable, and its physical properties are still good even at a low temperature of -40°C. It is suitable for applications with high impact resistance. The disadvantage is that the heat distortion temperature is too low, which limits its application.

Method used

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  • Cold-resistant high gloss PC/PBT/PETG alloy material and preparation method thereof
  • Cold-resistant high gloss PC/PBT/PETG alloy material and preparation method thereof
  • Cold-resistant high gloss PC/PBT/PETG alloy material and preparation method thereof

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Embodiment Construction

[0024] In order to better understand the technical solution of the present invention, the present invention will be further described below in conjunction with examples, which do not constitute any form of limitation to the present invention.

[0025] The PC resin used in the following examples is the PC-2805 of German Bayer, the PBT resin is the 1200 product of Changchun, Taiwan, the PETG is the GN120 product of U.S. Eastman, and the toughening compatibilizer is the AX8900 of the French Akema company, The transesterification inhibitor is sodium dihydrogen phosphate, the inorganic mineral powder is nano-calcium carbonate coated with silane, and the antioxidant is a compound of antioxidant 1076 and antioxidant 168 at a mass ratio of 1:2. The lubricant is PETS from Lonza, USA.

[0026] Bake PC and PBT resin at 120°C for 6 hours, and bake PETG resin at 70°C for 6 hours, then weigh the raw material formulas according to the examples in Table 1 by weight fraction, and dry the origi...

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Abstract

The invention provides a cold-resistant high gloss PC / PBT / PETG alloy material. The cold-resistant high gloss PC / PBT / PETG alloy material comprises, by mass, 15-30% of PC, 10-20% of PBT, 35-60% of PETG, 5-8% of a toughening compatilizer, 0.2-1% of an ester exchange inhibitor, 4-10% of an inorganic mineral powder, 0.3-0.8% of an antioxidant and 0.2-1% of a lubricant. The cold-resistant high gloss PC / PBT / PETG alloy material has the advantages of high strength, high low-temperature impact strength, high surface gloss, high heat resistance, and improved warpage, and can be successfully applied in fields of intelligent IC cards and 3D printing materials. The invention also provides a preparation method of the cold-resistant high gloss PC / PBT / PETG alloy material.

Description

technical field [0001] The invention relates to the technical field of thermoplastic polymer materials, in particular to a PC / PBT / PETG alloy material and a preparation method thereof. Background technique [0002] Polycarbonate (PC) has rigid-tough balance mechanical properties, and its unnotched impact strength is the best among engineering plastics. continuous use within the range. However, PC has high melt viscosity, poor fluidity, solvent resistance, wear resistance, and environmental stress cracking resistance. Polybutylene terephthalate (PBT) has excellent chemical stability, mechanical strength, electrical insulation and thermal stability, good melt fluidity and excellent processability. However, the toughness of PC / PBT plastic alloys will be greatly affected by temperature, generally manifested as low temperature brittleness. [0003] PETG is an amorphous modified copolyester, and its full name is polyethylene terephthalate-1,4-cyclohexanedimethanol. It is a poly...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L69/00C08L23/08C08K13/06C08K9/06C08K3/26C08K3/32C08K5/526
CPCC08L67/02C08L2201/08C08L2205/02C08L2205/035C08L69/00C08L23/0884C08K13/06C08K9/06C08K2003/265C08K2003/324C08K5/526
Inventor 王琦皮正亮葛嘉宝袁正凯
Owner GUANGDONG WAYLAM ENG PLASTICS