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Anti-aging PC/ABS alloy plastic and preparation method thereof

An alloy plastic and anti-aging technology, which is applied in the field of anti-aging PC/ABS alloy plastic and its preparation, can solve the problems of unsatisfactory anti-aging performance, improve long-term thermal oxidation and weather resistance, improve stability, and increase mechanical properties Effect

Active Publication Date: 2019-05-07
ORINKO NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the aging resistance of the current PC / ABS plastic alloy is not ideal, which is related to the chemical structure and characteristics of PC and ABS

Method used

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  • Anti-aging PC/ABS alloy plastic and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] An aging-resistant PC / ABS alloy plastic, the raw materials of which are composed of the following components by weight: 40 parts of PC, 30 parts of ABS, 3 parts of MBS toughening agent, 4,4'-thiobis(6-tert-butyl base-3-methylphenol) 0.5 parts, modified bamboo charcoal powder 5 parts, lubricant 1 part.

[0024] Modified bamboo charcoal powder is obtained by modifying bamboo charcoal powder with copper sulfate after high-temperature activation. The specific preparation process is as follows: pass nitrogen into the bamboo charcoal powder, heat up to 500°C at a rate of 3°C / min, keep warm for 2 hours, and cool to 80°C , air-cooled to room temperature to obtain activated bamboo charcoal powder; put activated bamboo charcoal powder into a copper sulfate solution with a concentration of 10g / L for immersion, the immersion temperature is 20°C, the bath ratio of activated bamboo charcoal powder and copper sulfate solution is 1:30, and the immersion time is 4h.

[0025] The prepar...

Embodiment 2

[0029] An aging-resistant PC / ABS alloy plastic, its raw materials are composed of the following components by weight: 70 parts of PC, 20 parts of ABS, 8 parts of MBS type toughening agent, 1 part of 2,6-di-tert-butylphenol, modified 10 parts of bamboo charcoal powder, 2 parts of lubricant.

[0030] Modified bamboo charcoal powder is obtained by modifying bamboo charcoal powder with copper sulfate after high-temperature activation. The specific preparation process is: pass nitrogen into the bamboo charcoal powder, heat up to 600°C at a speed of 5°C / min, hold for 1 hour, and cool to 90°C , air-cooled to room temperature to obtain activated bamboo charcoal powder; put activated bamboo charcoal powder into the copper sulfate solution with a concentration of 12g / L for immersion, the immersion temperature is 30°C, the bath ratio of activated bamboo charcoal powder and copper sulfate solution is 1:25, and the immersion time is 3h.

[0031] The preparation method of described aging-r...

Embodiment 3

[0035] An aging-resistant PC / ABS alloy plastic, its raw materials are composed of the following components by weight: 55 parts of PC, 25 parts of ABS, 5 parts of MBS toughening agent, 4,4'-thiobis(6-tert-butyl base-3-methylphenol) 0.2 parts, 2,6-di-tert-butylphenol 0.6 parts, modified bamboo charcoal powder 8 parts, lubricant 1.5 parts.

[0036] Modified bamboo charcoal powder is obtained by modifying bamboo charcoal powder with copper sulfate after high-temperature activation. The specific preparation process is as follows: nitrogen gas is introduced into the bamboo charcoal powder, the temperature is raised to 550°C at a speed of 4°C / min, the temperature is kept for 1.5h, and cooled to 85°C. ℃, air-cooled to room temperature to obtain activated bamboo charcoal powder; put the activated bamboo charcoal powder into the copper sulfate solution with a concentration of 11g / L for immersion, the immersion temperature is 25 ℃, the bath ratio of activated bamboo charcoal powder and co...

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Abstract

The invention discloses an anti-aging PC / ABS alloy plastic and a preparation method thereof. The alloy plastic is prepared from the following components: 40-70 parts of PC, 20-30 parts of ABS, 3-8 parts of a toughening agent, 0.5-1 part of an antioxidant, 5-10 parts of modified bamboo charcoal powder and 1-2 parts of a lubricant, wherein the modified bamboo charcoal powder is obtained by performing high-temperature activation on bamboo charcoal powder and performing modification by using copper sulfate. According to the method provided by the invention, the modified bamboo charcoal powder andthe phenolic antioxidant are combined, so that the aging resistance of the PC / ABS alloy plastic is significantly improved; and the bamboo charcoal powder is modified by high-temperature activation andcopper sulfate impregnation, so that the stability of the phenolic antioxidant in the plastic system is improved, the anti-aging performance is facilitated, and the long-term thermal oxidation and weather resistance of the PC / ABS alloy plastic are improved; at the same time, the bamboo charcoal powder has a certain reinforcing effect, so that the mechanical properties of the alloy plastic is increased; and the bamboo charcoal powder has the adsorption properties, so that the plastic smell can be reduced to some extent.

Description

technical field [0001] The invention relates to the technical field of polymer blending modification, in particular to an aging-resistant PC / ABS alloy plastic and a preparation method thereof. Background technique [0002] Polycarbonate (PC) has excellent mechanical properties, heat resistance and dimensional stability. However, PC has high melt viscosity, high processing temperature, difficult molding process, and is very sensitive to notch. For this reason, PC and other polymers are often blended and alloyed to improve processing performance and notch sensitivity. Among them, the solubility parameter of PC is 19.5 (J / cm) 1 / 2 , the solubility parameter of ABS is 19.6-20 (J / cm) 1 / 2 , the two are relatively close, so PC and ABS have better compatibility, and PC / ABS alloy has the advantages of high impact strength, good rigidity, high heat deformation temperature, good processability, excellent electrical properties, and high cost performance. It is favored and developed r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L69/00C08L55/02C08L51/04C08K9/02C08K9/00C08K9/12C08K3/04C08K5/375C08K5/13C08K13/06C08K3/30
Inventor 邵之杰蒋文远闫溥周海李荣群
Owner ORINKO NEW MATERIAL CO LTD
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