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Antistatic high-temperature-resistant flame-retardant PC alloy, and preparation method thereof

A high-temperature-resistant, anti-static technology, which is applied in the field of anti-static, high-temperature, flame-retardant PC alloy and its preparation, can solve the problem of lowering the service temperature range of PC/ABS alloy by heat deformation temperature, reducing the mechanical properties and heat resistance of PC/ABS alloy It can reduce the impact of mechanical properties and heat resistance, excellent mechanical properties and high temperature resistance, and not easy to decompose.

Inactive Publication Date: 2019-10-15
NINGBO ZHETIE DAPHOON CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Polycarbonate (PC) has good impact resistance and transparency, and has the advantages of wide service temperature, weather resistance, and non-toxicity, but it also has disadvantages such as poor fluidity, easy cracking, sensitivity to notches, and poor wear resistance; acrylic acid -Butadiene-styrene copolymer (ABS) has the characteristics of high strength, good toughness, and easy processing. The PC / ABS alloy obtained by blending and modifying the two combines the excellent properties of PC and ABS, but ABS is over-modified. The low heat distortion temperature reduces the service temperature range of PC / ABS alloy, and because ABS is flammable, a large amount of flame retardant needs to be added to make PC / ABS alloy achieve flame retardant effect. Currently, the commonly used halogen-free flame retardant It is a general phosphorus-based flame retardant, and the addition of phosphorus-based flame retardants will greatly reduce the mechanical properties and heat resistance of PC / ABS alloys

Method used

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  • Antistatic high-temperature-resistant flame-retardant PC alloy, and preparation method thereof
  • Antistatic high-temperature-resistant flame-retardant PC alloy, and preparation method thereof
  • Antistatic high-temperature-resistant flame-retardant PC alloy, and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0042] Embodiment 1: A kind of antistatic high temperature resistant flame retardant PC alloy, its raw material ratio is shown in Table 1, the preparation method of this antistatic high temperature resistant flame retardant PC alloy comprises the following steps:

[0043] (1) 71kg PC resin, 8kg SAN resin, 2kg polyarylate resin are pre-dried and dried until the water content<0.02%; PC resin is bisphenol A type PC resin, and the melt flow rate is 15g / 10min (300 ℃, under 1.2kg pressure), it is prepared by polymerizing bisphenol A and diphenyl carbonate according to the mass ratio of 1:1, extruding and granulating with an extruder, SAN resin is a copolymer of styrene acrylonitrile, melt Flow rate is 3g / 10min (200 ℃, under 5kg pressure), wherein the weight percentage of styrene is 75%, and the weight percentage of acrylic acid is 25%;

[0044] (2) Get PC resin, SAN resin and polyarylate resin after drying in step (1), with 10kg ABS high rubber powder, 0.3kg antioxidant, 0.1kg lubri...

Embodiment 2

[0050] Embodiment 2: A kind of antistatic high temperature resistant flame retardant PC alloy, its raw material ratio is shown in Table 1, the preparation method of this antistatic high temperature resistant flame retardant PC alloy comprises the following steps:

[0051] (1) 66kg PC resin, 15g SAN resin, 5kg polyarylate resin are pre-dried and dried to moisture content<0.02%; PC resin is bisphenol A type PC resin, and the melt flow rate is 18g / 10min (300 ℃, under 1.2kg pressure), it is prepared by polymerizing bisphenol A and diphenyl carbonate according to the mass ratio of 1:1, extruding and granulating with an extruder, SAN resin is a copolymer of styrene acrylonitrile, melt Flow rate is 3g / 10min (200 ℃, under 5kg pressure), wherein the weight percentage of styrene is 75%, and the weight percentage of acrylic acid is 25%;

[0052] (2) Get PC resin, SAN resin and polyarylate resin after drying in step (1), and 6kg ABS high rubber powder, 0.4kg antioxidant, 0.2kg lubricant, ...

Embodiment 3

[0055] Embodiment 3: An antistatic high temperature resistant flame retardant PC alloy, its raw material ratio is shown in Table 1, the preparation method of this antistatic high temperature resistant flame retardant PC alloy comprises the following steps:

[0056] (1) 61kg PC resin, 12g SAN resin, 9kg polyarylate resin are pre-dried and dried to moisture content<0.02%; PC resin is bisphenol A type PC resin, and the melt flow rate is 20g / 10min (300 ℃, under 1.2kg pressure), it is prepared by polymerizing bisphenol A and diphenyl carbonate according to the mass ratio of 1:1, extruding and granulating with an extruder, SAN resin is a copolymer of styrene acrylonitrile, melt Flow rate is 3g / 10min (200 ℃, under 5kg pressure), wherein the weight percentage of styrene is 75%, and the weight percentage of acrylic acid is 25%;

[0057] (2) Get PC resin, SAN resin and polyarylate resin after drying in step (1), and 7kg ABS high rubber powder, 0.5kg antioxidant, 0.3kg lubricant, 4kg tou...

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Abstract

The invention discloses an antistatic high-temperature-resistant flame-retardant PC alloy, and a preparation method thereof. The antistatic high-temperature-resistant flame-retardant PC alloy comprises, by weight, 60 to 80 parts of PC resin, 8 to 15 parts of SAN resin, 5 to 10 parts of ABS high rubber powder, 2 to 15 parts of a polyarylate resin, 0.3 to 0.5 part of an antioxidant, 0.1 to 0.5 partof a lubricant, 1 to 5 parts of a toughening agent, 7 to 10 parts of a flame retardant, and 0.5 to 2 parts of a conductive material. The preparation method comprises following steps: PC resin, SAN resin, and the polyarylate resin are subjected to drying, an obtained mixture, ABS high rubber powder, the antioxidant, the lubricant, the toughening agent, and the conductive material are stirred to beuniform, an obtained product is introduced into a double screw extruder for extrusion and granulation, the flame retardant is added through side feeding, and then bracing, cooling, and dicing are carried out so as to obtain a finished product. The antistatic high-temperature-resistant flame-retardant PC alloy is excellent in mechanical properties, and flame resistance, and possesses high temperature resistance and antistatic performance.

Description

technical field [0001] The invention relates to the technical field of polymer composite materials, more specifically, it relates to an antistatic high temperature resistant flame retardant PC alloy and a preparation method thereof. Background technique [0002] Polycarbonate (PC) has good impact resistance and transparency, and has the advantages of wide service temperature, weather resistance, and non-toxicity, but it also has disadvantages such as poor fluidity, easy cracking, sensitivity to notches, and poor wear resistance; acrylic acid -Butadiene-styrene copolymer (ABS) has the characteristics of high strength, good toughness, and easy processing. The PC / ABS alloy obtained by blending and modifying the two combines the excellent properties of PC and ABS, but ABS is over-modified. The low heat distortion temperature reduces the service temperature range of PC / ABS alloy, and because ABS is flammable, a large amount of flame retardant needs to be added to make PC / ABS allo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L69/00C08L25/12C08L55/02C08L67/00C08L51/04C08K5/103C08K5/523C08K5/134C08K5/526
CPCC08L69/00C08L2201/02C08L2201/04C08L2201/08C08L2205/035C08L25/12C08L55/02C08L67/00C08L51/04C08K5/103C08K5/523C08K5/1345C08K5/526
Inventor 周浩邱琪浩罗锐应杰张豪杰顾亥楠叶素芳施懿军
Owner NINGBO ZHETIE DAPHOON CHEM
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