Filling Behavior of Polyoxymethylene/Poly(Ethylene Oxide)/SiO<sub>2</sub> Ternary Composite System under Microinjection Molding Conditions

Chang-bin TAN; Ying-hong CHEN; Qi WANG

doi:10.14028/j.cnki.1003-3726.2015.11.006

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Filling Behavior of Polyoxymethylene/Poly(Ethylene Oxide)/SiO₂ Ternary Composite System under Microinjection Molding Conditions

更新时间：2022-09-18

- Filling Behavior of Polyoxymethylene/Poly(Ethylene Oxide)/SiO₂ Ternary Composite System under Microinjection Molding Conditions
- Polymer Bulletin Vol. 28, Issue 11, Pages: 42-49(2015)
- 作者机构：
  
  1.高分子材料工程国家重点实验室，四川大学高分子研究所，成都　610065
  2.四川理工学院分析测试中心，自贡　643000
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2015.11.006
  CLC：
- Published：2015-11，
  
  Received：05 January 2015，
  
  Revised：09 May 2015，
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Chang-bin TAN, Ying-hong CHEN, Qi WANG. Filling Behavior of Polyoxymethylene/Poly(Ethylene Oxide)/SiO₂ Ternary Composite System under Microinjection Molding Conditions. [J]. Polymer Bulletin 28(11):42-49(2015)
DOI：

Chang-bin TAN, Ying-hong CHEN, Qi WANG. Filling Behavior of Polyoxymethylene/Poly(Ethylene Oxide)/SiO₂ Ternary Composite System under Microinjection Molding Conditions. [J]. Polymer Bulletin 28(11):42-49(2015) DOI： 10.14028/j.cnki.1003-3726.2015.11.006.

摘要

采用固相剪切碾磨技术制备了聚甲醛/聚氧化乙烯/二氧化硅(POM/PEO/SiO

)三元复合材料并实现其微型注塑加工

研究了POM/PEO/SiO

复合体系的微型注塑加工窗口、影响微型注塑加工过程充填行为的因素及其微型制品的复型行为.结果表明

POM/PEO/SiO

复合材料具有良好的微型注塑可加工性

根据其微型注塑加工窗口可获得复型良好的微型制品;POM/PEO/SiO

熔体在微型注塑过程中充模时间短

冷却速率快;注射速度和模腔温度对POM/PEO/SiO

体系的充填行为具有显著影响.此外

因纳米SiO

加入量较少

其对熔体充填行为的影响不大。

Abstract

The Polyoxymethylene/poly(ethylene oxide)/SiO

(POM/PEO/SiO

) ternary composite was prepared by solid state shear milling and then micro-injection molded.The microinjection molding (μIM) processing window

the factors that affect the filling behavior in the μIM process as well as the replication performance of the POM/PEO/SiO

composite micropart were studied. The experimental results indicated that the POM/PEO/SiO

system showed excellent μIM processability. The micropart with good replication was obtained according to the μIM processing window. The filling time was very short and the cooling speed was extremely high for the composite melt in the μIM process. The injection speed and the mold temperature had pronounced effect on the filling behavior of the melt. However

the effect of nano-SiO

on the filling behavior was not obvious due to the low nano-SiO

content.

关键词

聚甲醛聚氧化乙烯充填行为加工参数微型注塑

Keywords

PolyoxymethylenePoly(ethylene oxide)Filling behaviorProcessing parameterMicroinjection molding

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Related Institution

Institute of High Temperature High Pressure Physics, Southwest Jiaotong University

State Key Laboratory of Polymer Materials Engineering, Sichuan University

College of Polymer Science and Engineering,State Key Laboratory of Polymer Materials Engineering, Sichuan University

Performance Material Center,National Institute of Clean-and-Iow-carbon Energy

Key Laboratory of Education for Special Functional Materials, Henan University

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Filling Behavior of Polyoxymethylene/Poly(Ethylene Oxide)/SiO2 Ternary Composite System under Microinjection Molding Conditions

DOI：10.14028/j.cnki.1003-3726.2015.11.006

摘要

Abstract

关键词

Keywords

references

Filling Behavior of Polyoxymethylene/Poly(Ethylene Oxide)/SiO₂ Ternary Composite System under Microinjection Molding Conditions