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Low-bromine, high-efficiency and environment-protection flame retardant polycarbonate

A technology of flame-retardant polycarbonate and polycarbonate, which is applied in the field of low-bromine, high-efficiency and environmentally friendly flame-retardant polycarbonate, can solve the problem of high brominated flame retardant addition, achieve high flame-retardant efficiency, reduce the amount of addition, The effect of excellent mechanical properties

Active Publication Date: 2018-07-20
GUANGDONG KINGFA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the amount of brominated flame retardants added is too much, exceeding the limit of 900ppm

Method used

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  • Low-bromine, high-efficiency and environment-protection flame retardant polycarbonate
  • Low-bromine, high-efficiency and environment-protection flame retardant polycarbonate
  • Low-bromine, high-efficiency and environment-protection flame retardant polycarbonate

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Embodiment Construction

[0031] The present invention will be described in further detail below in conjunction with specific examples and comparative examples, but the present invention is not limited to the following examples.

[0032] In the examples, the raw materials not specified in particular are all conventional commercially available commodities.

[0033] Polycarbonate A, aromatic polycarbonate, melt index 10 g / 10min (PC 1300-10NP LG Chem);

[0034] Polycarbonate B, an aromatic polycarbonate with a melt index of 15 g / 10min; which consists of a melt index of 10 g / 10min (PC1300-10NP LG Chem) and a melt index of 22 g / 10min (PC 1300-22NP LG Chem) Two kinds of composites are obtained;

[0035] Potassium perfluorobutane sulfonate (PPFBS), purchased from 3M Company;

[0036] Potassium diphenylsulfonesulfonate (KSS), purchased from Metro, India;

[0037] Brominated polycarbonate BC-58, purchased from Great Lakes, USA;

[0038] Tetrabromobisphenol-A was purchased from the Dead Sea, Israel.

[0039...

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Abstract

The invention provides a low-bromine, high-efficiency and environment-protection flame retardant polycarbonate and a preparation method thereof. The flame retardant polycarbonate comprises, by weight,93-98 parts of polycarbonate, 0.2-0.5 part of a sulfonate flame retardant, 0.05-0.2 part of a bromine-based flame retardant, 0.1-0.5 part of an anti-dripping agent and 0-6 parts of an assistant, wherein the sum of the parts by weight of above five components is 100 parts; and the sulfonate flame retardant is a compound of potassium perfluorobutanesulfonate and potassium diphenylsulfonesulfonate,and a weight ratio of the potassium perfluorobutanesulfonate to the potassium diphenylsulfonesulfonate to the bromine-based flame retardant is 1:(1-6):(0.5-2). The compound formed by compounding the potassium perfluorobutanesulfonate and potassium diphenylsulfonesulfonate and the bromine-based flame retardant have synergistic flame retardation effects, so the addition amounts of the flame retardants are greatly reduced, the flame retardation efficiency is high, and the mechanical properties and the thermal properties of polycarbonate are slightly affected, thereby the finally obtained polycarbonate meets ROSH and halogen-free environmental protection requirements, the bromine content is controlled at 900 ppm or below, and the flame retardation grade reaches 1.6 mm UL94 V0.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a low-bromine, high-efficiency, environment-friendly and flame-retardant polycarbonate. Background technique [0002] Polycarbonate is a kind of plastic with excellent comprehensive properties. The benzene ring on the main chain of the molecule makes it have good mechanical properties and heat resistance, and the ether bond makes the molecular chain have a certain degree of flexibility. A rigid and tough engineering plastic. Polycarbonate itself has certain flame retardancy, which can reach UL94V2 level, but it is still difficult to meet the requirements of high flame retardancy in some application fields, so it needs to be modified by flame retardancy. At present, the flame retardant modification of polycarbonate mainly includes the following types of flame retardants: bromine flame retardants, phosphorus flame retardants, silicon flame retardants, and sulfonate flame...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L69/00C08L27/18C08L51/04C08K5/00C08K5/42C08K5/136C08K5/134C08K5/526C08K5/103
CPCC08K2201/014C08L69/00C08L2201/02C08L2201/08C08L2205/025C08L2205/035C08L27/18C08L51/04C08K5/00C08K5/42C08K5/136C08K5/1345C08K5/526C08K5/103
Inventor 周敏梁惠强李皓钟毅文胡志华刘思杨陆体超宁红涛
Owner GUANGDONG KINGFA TECH CO LTD
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