Relationship between free volume properties and miscibility in HIPS-LDPE blend

HU Youhua1  QI Chenze1; 2  LIU Weimin3  WANG Baoyi4  SUN Xudong1  WANG Tianmin5  ZHENG Xiaoming2 1

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Relationship between free volume properties and miscibility in HIPS-LDPE blend

更新时间：2021-03-12

- Relationship between free volume properties and miscibility in HIPS-LDPE blend
- NUCLEAR TECHNIQUES Issue 7, (2003)
- 作者机构：
  
  1. 绍兴文理学院应用化学研究所,绍兴文理学院应用化学研究所,中国科学院兰州化学物理研究所固体润滑国家重点实验室,中国科学院高能物理研究所,绍兴文理学院应用化学研究所,北京航空航天大学理学院,浙江大学催化研究所绍兴312000,绍兴,312000
  2. 浙江大学催化研究所杭州310028,兰州730000,北京100039,绍兴312000,北京100083,杭州,310028
- 作者简介：
- 基金信息：
  
  浙江省自然科学基金(RC01050;501066)项目
- DOI：
  CLC： O631.1
- Published：01 July 2003
- 稿件说明：
移动端阅览
[1]胡幼华,齐陈泽,刘维民,王宝义,孙旭东,王天民,郑小明.高冲聚苯乙烯-低密度聚乙烯的自由体积特征与其相溶性的关系[J].核技术,2003(07):556-560.

HU Youhua1 QI Chenze1, 2 LIU Weimin3 WANG Baoyi4 SUN Xudong1 WANG Tianmin5 ZHENG Xiaoming2 1. Relationship between free volume properties and miscibility in HIPS-LDPE blend[J]. Nuclear techniques, 2003, (7): 556-560.
[1]胡幼华,齐陈泽,刘维民,王宝义,孙旭东,王天民,郑小明.高冲聚苯乙烯-低密度聚乙烯的自由体积特征与其相溶性的关系[J].核技术,2003(07):556-560. DOI：

HU Youhua1 QI Chenze1, 2 LIU Weimin3 WANG Baoyi4 SUN Xudong1 WANG Tianmin5 ZHENG Xiaoming2 1. Relationship between free volume properties and miscibility in HIPS-LDPE blend[J]. Nuclear techniques, 2003, (7): 556-560. DOI：

摘要

不同组成的高冲聚苯乙烯（HIPS）和低密度聚乙烯（LDPE）共混物的正电子湮没寿命谱被测量

结果表明HIPS和LDPE是不相溶共混物。在界面处

二组分的不相溶主要归因与一个组分没有足够大的自由体积孔穴尺寸容纳另一组分的侧基和分子链端基。另外

测量的自由体积分数产生的负偏差被认为主要由最长寿命强度I3所引起。

Abstract

The free volume properties of high impact polystyrene (HIPS)-low density polyethylene (LDPE) blend have been investigated by means of positron annihilation lifetime spectra (PALS). The measured results show that one component in blends has not large enough size of free volume holes to accommodate the lateral chains and end groups of the other component

thereby producing the immiscibility when blending HIPS and LDPE. In addition

it is found also that the interfacial polarization can result in a decrease in o-Ps intensity I3 during the PALS measurement. The negative deviation of free volume fraction fapp in the measured blends is mainly attributed to the negative deviation of I3.

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Influence of interfacial polarization and size of free volume hole on positronium formation

Related Author

XIA Yayi1 QI Chenze2 WANG Baoyi3 SUN Xudong2 HU Youhua2 WANG Tianmin4 1

齐陈泽

王宝义

孙旭东

胡幼华

王天民

Related Institution

Department of Material Science, Lanzhou University, Lanzhou730000, China) 2

绍兴文理学院应用化学研究所

中国科学院高能物理研究所

北京航空航天大学理学院

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