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A kind of high-strength and toughened pc/pbt alloy material and its preparation method and application

An alloy material and toughening technology, applied in the field of high-strength and toughening PC/PBT alloy material and its preparation, can solve the problems of limited application scope and low mechanical properties of PC/PBT, and achieve the effect of promoting the improvement of product quality

Active Publication Date: 2015-10-14
宁波爱可森汽车电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the mechanical properties of PC / PBT are generally not high, which limits its application range.

Method used

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  • A kind of high-strength and toughened pc/pbt alloy material and its preparation method and application
  • A kind of high-strength and toughened pc/pbt alloy material and its preparation method and application
  • A kind of high-strength and toughened pc/pbt alloy material and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] This embodiment provides a high-strength toughened PC / PBT alloy material, the raw material formula of which is composed of the following components by weight:

[0037]

[0038] The antioxidant 1 is antioxidant 1010, the antioxidant 2 is antioxidant 168, and the antioxidant 3 is antioxidant TH-412S; the SDP is anhydrous sodium dihydrogen phosphate; the toughening agent is the Dow Chemical Institute Rohm and Haas EXL-2620 produced, PBT is polybutylene terephthalate, PC is polycarbonate.

[0039] A preparation method of high-strength toughened PC / PBT alloy material, which specifically includes the following steps:

[0040] Add antioxidant 1, antioxidant 2, antioxidant 3, SDP, ultraviolet absorber, toughening agent, PBT, and PC into the mixer according to the above-mentioned proportions. After repeated mixing and mixing, they are sent to the twin-screw extruder. Melt and knead at a temperature of ℃, the obtained melt is extruded by a double screw extruder, cooled in a water tank,...

Embodiment 2

[0053] This embodiment provides a high-strength toughened PC / PBT alloy material, the raw material formula of which is composed of the following components by weight:

[0054]

[0055] The SDP is anhydrous phosphoric acid, the toughening agent 1 is Rohm and Haas EXL-2620 toughening agent, the toughening agent 2 is PBT (polybutylene terephthalate), and the toughening agent 3 is PC (polybutylene terephthalate). Carbonate);

[0056] A preparation method of high-strength toughened PC / PBT alloy material, which specifically includes the following steps:

[0057] In the above ratio, put antioxidant 1010, antioxidant 168, antioxidant 412S, anhydrous phosphoric acid SDP, ultraviolet absorber UV234, toughening agent 1, toughening agent 2, and toughening agent 3 into the mixer and repeatedly stir and mix evenly before sending. Into a twin-screw extruder, melt and knead at a temperature of 250°C, the resulting melt is extruded by a twin-screw extruder and cooled in a water tank, and then introdu...

Embodiment 3

[0070] This embodiment provides a high-strength toughened PC / PBT alloy material, the raw material formula of which is composed of the following components by weight:

[0071]

[0072]

[0073] The antioxidant 1 is antioxidant 1010, the antioxidant 2 is antioxidant 168, and the antioxidant 3 is antioxidant TH-412S; the SDP is anhydrous sodium dihydrogen phosphate; the toughening agent is the Dow Chemical Institute Rohm and Haas EXL-2620 produced, PBT is polybutylene terephthalate, PC is polycarbonate.

[0074] A preparation method of high-strength toughened PC / PBT alloy material, which specifically includes the following steps:

[0075] According to the above ratio, the antioxidant 1, antioxidant 2, antioxidant 3, SDP, ultraviolet absorber, toughening agent, PBT, and PC are put into the mixer and repeatedly stirred and mixed uniformly, and then sent to the twin-screw extruder. Melt and knead at a temperature of ℃, the obtained melt is extruded by a double screw extruder, cooled in a ...

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Abstract

The invention discloses a high-strength and high-toughness PC / PBT alloy material which is prepared by a previous formula of an antioxidant 1, an antioxidant 2, an antioxidant 3, SDP (sodium dihydrogen phosphate), an ultraviolet light absorber, a toughening agent, PBT and PC. The provided high-strength and high-toughness PC / PBT alloy material has the advantages of high performance, high strength, wear resistance, low possibility of deformation, high toughness, aging resistance, a stable property and the like and is particularly applicable to manufacture of a high-speed train, a saloon car, a light truck part, a sports apparatus and a medical instrument.

Description

Technical field [0001] The present invention relates to the technical field of polymer materials, in particular to PC / PBT alloy materials, in particular to a high-strength toughened PC / PBT alloy material and a preparation method and application thereof. Background technique [0002] Polycarbonate (PC) is an engineering plastic with superior comprehensive performance and the fastest growing general engineering plastic in recent years. It has excellent impact toughness, dimensional stability, electrical insulation, creep resistance, weather resistance, The advantages of transparency and non-toxicity are currently widely used in automotive, electronic and electrical, construction, office equipment, packaging, sports equipment, medical care and other fields. With the continuous deepening of modification research, it is rapidly expanding to aerospace, computer, Optical discs and other high-tech fields, but it also has some shortcomings, such as poor processing fluidity, prone to stres...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L69/00C08L67/02C08K13/02C08K5/134C08K5/526C08K3/32C08K5/372
Inventor 林湖彬杜崇铭李华军
Owner 宁波爱可森汽车电子有限公司