ASA composite material and method for producing the same

By increasing the amount of brightener in ASA composite materials and introducing modified boron nitride and modified organomontmorillonite, the problem of increased gloss but decreased impact strength was solved, achieving a synergistic improvement in both gloss and impact strength.

CN122404886APending Publication Date: 2026-07-17BINZHOU YONGHONG NEW MATERIAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BINZHOU YONGHONG NEW MATERIAL TECH CO LTD
Filing Date
2026-04-29
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

While increasing the amount of brightener in existing ASA composite materials improves gloss, it reduces impact strength, making it difficult to maintain or improve impact strength while increasing gloss.

Method used

By increasing the amount of brightener and introducing modified boron nitride and modified organomontmorillonite, the interfacial bonding force is improved by the intercalation and exfoliation of modified organomontmorillonite and the silver ion doping, and the surface lubrication and smoothing effect of modified boron nitride, thus synergistically enhancing the impact strength of the composite material.

Benefits of technology

While improving gloss, it significantly enhances the impact strength of ASA composite materials, maintains the gloss of the material, and restores stress transfer efficiency.

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Abstract

本发明属于复合材料技术领域。本发明提供了一种ASA复合材料及其制备方法,该方法步骤:S1、按重量份数计,将聚甲基丙烯酸甲酯78‑81份、丙烯腈‑苯乙烯‑丙烯酸酯共聚物19‑21份、ASA高胶粉9.5‑10份和光亮剂0.67‑0.69份混合,得到混合基料;S2、向混合基料中加入抗氧剂0.28‑0.3份、流动助剂0.28‑0.3份、改性氮化硼0.35‑0.4份和改性有机蒙脱土0.55‑0.6份,搅拌混合,得到混合终料;S3、将混合终料投入投入双螺杆挤出机中,挤出、造粒,即得;改性氮化硼由氮化硼经十六烷基三甲基溴化铵改性制得;改性有机蒙脱土由有机蒙脱土经十八烷基三甲基溴化铵插层改性并引入银离子制得。本发明通过增加光亮剂的用量 / 引入量,以提高制得ASA复合材料的光泽度的同时,进一步提高其冲击强度。
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