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Polycarbonate alloy and preparation method thereof

A polycarbonate and alloy technology, applied in the field of polycarbonate alloy and its preparation, can solve the problems of difficult uniform dispersion, difficult processing, large addition amount, etc., and achieve the effects of suppressing cracking, improving stability, and ensuring stability Effect

Active Publication Date: 2019-05-31
KINGFA SCI & TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Starting from other properties, the pH regulator used in this patent is a very weak Lewis acid, which is added in a large amount and is likely to affect other properties (such as impact strength and stress cracking properties)
Triphenyl phosphite, sodium dihydrogen phosphate, and sodium dihydrogen phosphite are in the form of solid powder or fine particles. Due to the small amount, it is difficult to disperse evenly in the alloy, which brings difficulties to processing

Method used

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  • Polycarbonate alloy and preparation method thereof
  • Polycarbonate alloy and preparation method thereof

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Embodiment Construction

[0045] The present invention is further illustrated by the following examples, but the present invention is not limited by the following examples.

[0046] The sources of raw materials used in the present invention are as follows, but are not limited by the following raw materials.

[0047] Silver ion source: Silver ion antibacterial agent, IKM50G, Japan Zeomic;

[0048] Liquid acid: Phosphoric acid;

[0049] Flame retardant A: phenoxyphosphazene;

[0050] Flame retardant B: bisphenol A bis(diphenyl phosphate);

[0051] Flame retardant C: melamine polyphosphate;

[0052] Lubricants: stearate lubricants, PETS;

[0053] The preparation method of embodiment polycarbonate alloy: according to proportioning, polycarbonate, ABS resin, silver ion antibacterial agent, the porous foaming polycarbonate or the porous foaming ABS that exists liquid acid, flame retardant are added high-speed mixer Mix evenly in a feeder, then add to a twin-screw extruder, melt and mix at a temperature ...

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Abstract

The invention discloses polycarbonate alloy. The polycarbonate alloy is characterized by being prepared from, by weight, 70 parts of polycarbonate and 1-60 parts of ABS resin; a pH value of the polycarbonate alloy is 6.3-6.9 and regulated through liquid acid. By regulation of the pH value of the polycarbonate alloy, high hydrothermal stability, wide process window and the like of the polycarbonatealloy are guaranteed.

Description

technical field [0001] The invention relates to the technical field of polymer composite materials, in particular to a polycarbonate alloy and a preparation method thereof. Background technique [0002] At present, polycarbonate (PC) is widely used in the production of various industrial and civil parts (such as various transparent parts, lampshades, instrument panels, etc.). With the improvement of living standards, people pay more and more attention to health. In order to avoid the reproduction of bacteria in plastic parts and improve the safety of products, the requirements for plastics to inhibit the reproduction of bacteria are becoming increasingly stringent. [0003] Polymerized residual impurities brought by raw materials cannot be avoided in PC / ABS alloys, and residual impurities will also greatly deteriorate the stability of the alloy, especially because the emulsifier added in the production process will remain in the ABS resin and cause cracking of the system ef...

Claims

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Application Information

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IPC IPC(8): C08L69/00C08L55/02C08K3/32
CPCC08K3/32C08L55/02C08L69/00
Inventor 艾军伟岑茵黄险波叶南飚董相茂王培涛陈勇文丁超
Owner KINGFA SCI & TECH CO LTD
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