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PC/PCTG alloy as well as preparation method and application thereof

An alloy and polysiloxane technology, which is applied in the field of PC/PCTG alloy and its preparation, can solve the problems of easy smearing of the ink layer and low yield of plastic parts, so as to improve the anti-thermal oxidation aging effect and anti-thermal oxygen aging effect. The effect of improving the function and improving the yield

Active Publication Date: 2021-04-30
深圳力越新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004]In the actual production process, when the PC material is generally heated to 270-300°C, the melt index reaches 10g / 10min, and the PC material has certain fluidity and can be Injection molding within this temperature range, but the ink layer of the plastic parts produced by this method is easy to smudge, and the yield rate of plastic parts is low, only 65%

Method used

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  • PC/PCTG alloy as well as preparation method and application thereof
  • PC/PCTG alloy as well as preparation method and application thereof
  • PC/PCTG alloy as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] A kind of PC / PCTG alloy is made by following steps:

[0044] S1. Weigh 40g of INFINO UF-1017, 30g of DN011, 10g of polydimethylsiloxane (number-average molecular weight of 1800), 0.9g of N,N′-bis-(3-(3,5-di-tert-butyl-4 -Hydroxyphenyl) propionyl) hexamethylenediamine and 0.5g nanometer zirconium phosphate (average particle diameter is 150nm) drop in high-speed mixer and carry out stirring and blending, and stirring speed is 7200r / h, carry out premixing, obtain mixture;

[0045] S2. Put the mixture obtained in step 1 into a parallel twin-screw extruder to melt and extrude. The temperature settings of each zone of the screw in the extruder are respectively: the temperature of the first zone is 230°C, the temperature of the second zone is 230°C, and the temperature of the third zone is 245°C , the temperature in the fourth zone is 250°C, the temperature in the fifth zone is 250°C, the temperature in the sixth zone is 250°C, the temperature in the seventh zone is 250°C, the...

Embodiment 2

[0047] A PC / PCTG alloy, made on the basis of Example 1, differs from Example 1 in that: 40g of aliphatic polycarbonate INFINO UF-1017 is replaced by bisphenol A polycarbonate PC- 1100.

Embodiment 3-10

[0049]A PC / PCTG alloy, prepared on the basis of Example 2, differs from Example 1 in that the composition of the PC / PCTG alloy is different, and the specific composition is shown in Table 2 below.

[0050] Table 2. Composition of PC / PCTG alloys

[0051]

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Abstract

The invention relates to the field of polymer composite materials, and particularly discloses a PC / PCTG alloy and a preparation method and application thereof. The PC / PCTG alloy is prepared from the following components in parts by weight: 40 to 50 parts of PC, 30 to 50 parts of polyester PCTG, 10 to 20 parts of polysiloxane, 0.9 to 3 parts of an antioxidant and 0.5 to 1.0 part of nano zirconium phosphate. The preparation method comprises the following steps: weighing the raw materials according to the formula ratio, stirring, blending, melting by a twin-screw extruder, extruding, and granulating to obtain the PC / PCTG alloy particles. The PC / PCTG alloy disclosed by the invention can be used for an in-mold insert injection molding process, and has the advantages of high fluidity and low-temperature molding, and a plastic part obtained by injection molding is high in yield.

Description

technical field [0001] This application relates to the field of polymer composite materials, more specifically, it relates to a PC / PCTG alloy and its preparation method and application. Background technique [0002] PC (polycarbonate) is a thermoplastic resin material with high strength and high light transmittance. It has good impact resistance, good wear resistance, high transparency, and non-toxicity. Therefore, PC, as an engineering plastic, Widely used in home appliance industry, precision machinery, automobile alloy and other fields. [0003] At present, due to its high wear resistance and good transparency, PC is often used as an injection molding compound for in-membrane injection molding. The PC is melted and injected into the mold cavity, and bonded with the foil (film) printed with ink patterns in the mold cavity, forming a transparent protective layer on the surface of the film to protect the patterns on the film. [0004] In the actual production process, when...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L69/00C08L67/02C08L83/06C08K3/32C08K5/20C08K5/103C08K5/134C08K5/526B29C45/14
CPCC08L69/00C08L67/02B29C45/14C08K2003/328C08K2201/011C08L83/06C08K3/32C08K5/20C08K5/103C08K5/1345C08K5/526
Inventor 吴兆启王冲
Owner 深圳力越新材料有限公司
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