免喷涂注塑件的成型品质及应用概述

doi:10.19491/j.issn.1001-9278.2020.06.018

中国塑料 ›› 2020, Vol. 34 ›› Issue (6): 118-125.DOI: 10.19491/j.issn.1001-9278.2020.06.018

• 综述 • 上一篇

免喷涂注塑件的成型品质及应用概述

杨北京¹, 杨旭¹, 苏婧颖¹, 李海梅¹^,²()

^1.郑州大学材料科学与工程学院，郑州 450001
^2.江苏惠利隆塑业集团有限公司，江苏徐州 221200

收稿日期:2019-12-19 出版日期:2020-06-26 发布日期:2020-06-26
基金资助:
国家自然科学基金项目(11372285);国家重点实验室开放课题(GZ1706)

Processing Qualities and Applications of Injection Molded Spray‑free Plastic Parts

Beijing YANG¹, Xu YANG¹, Jingying SU¹, Haimei LI¹^,²()

^1.School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
^2.Jangsu Huililong Plastic Industry Group Co, Ltd, Xuzhou 221200, China

Received:2019-12-19 Online:2020-06-26 Published:2020-06-26
Contact: Haimei LI E-mail:haimeili@zzu.edu.cn

摘要/Abstract

摘要：

介绍了免喷涂塑料的概念、组成和免喷涂塑料的现状，特别是注塑级免喷涂塑件的表面质量、缺陷成因及解决方法、数值模拟对其质量的预测的应用，分析了免喷涂塑件耐候性、力学性能的影响因素，总结了免喷涂塑料的应用前景和发展方向。

关键词: 免喷涂塑料, 注射成型, 表面缺陷, 数值模拟, 力学性能

Abstract:

This paper introduced the concept, composition and development status of spray?free plastics and especially discussed the surface quality of spray?free plastics, the formation reasons and relevant solutions of defects, and the application of numerical simulation for the prediction of processing quality. Moreover, the influencing factors of weather resistance and mechanical properties of spray?free plastic parts were analyzed. The application prospect and development direction of spray?free plastics were summarized.

Key words: spray?free plastics, injection molding, surface defect, numerical simulation, mechanical property

中图分类号:

TQ327.8

杨北京, 杨旭, 苏婧颖, 李海梅. 免喷涂注塑件的成型品质及应用概述[J]. 中国塑料, 2020, 34(6): 118-125.

Beijing YANG, Xu YANG, Jingying SU, Haimei LI. Processing Qualities and Applications of Injection Molded Spray‑free Plastic Parts[J]. China Plastics, 2020, 34(6): 118-125.

图/表 7

指标	物质名称							参考文献
指标	PP	PA	PC	ABS	SAN	ABS/PMMA	PA/ABS	参考文献
透明性?	×	×	√	×	√	×	×	[8]
颜料种类	铝粉、铜粉、珠光粉、玻片等							[2?3]
颜料尺寸	几~百微米							[3,6]
添加剂	颜料分散剂、抗氧化剂、树脂基体耐老化、耐划伤剂、与颜料相容性助剂等							[1,3,6]
颜料含量	一般质量分数1 %~4 %							[7]

表1 免喷涂塑料的各组分信息

Tab.1 Information of components of spray?free plastics

图1 表面粗糙度对反射场和漫射场的影响示意图

Fig.1 Schematic diagram of the influence of surface roughness on reflection field and diffuse field

图2 填充物的形状规则性和尺寸对样品表面品质的影响

Fig.2 Influence of filler shape regularity and size on surface quality of samples

图3 免喷涂塑件熔接痕及产生示意图

Fig.3 Schematic diagram of melt line and generating of spray?free plastic parts

图4 免喷涂塑件流痕及产生示意图

Fig.4 Schematic diagram of flow marks and generating of spray?free plastic parts

图5 注射成型过程铝薄片取向分布示意图

Fig.5 Schematic diagram of orientation of aluminum flakes during injection molding

图6 模拟预测与实验结果示意图

Fig.6 Schematic diagram of simulation prediction and experimental results

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免喷涂注塑件的成型品质及应用概述

Processing Qualities and Applications of Injection Molded Spray‑free Plastic Parts

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