[1]王宇杰,赵晓文,牛振宇,等.双轴取向聚乙烯管材的制备及结构与性能研究[J].石油管材与仪器,2019,5(04):57-60.[doi:10.19459/j.cnki.61-1500/te.2019.04.014]
 WANG Yujie,ZHAO Xiaowen,NIU Zhenyu,et al.Preparation, Structure and Properties of Biaxially Oriented Polyethylene Pipes[J].Petroleum Tubular Goods & Instruments,2019,5(04):57-60.[doi:10.19459/j.cnki.61-1500/te.2019.04.014]
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双轴取向聚乙烯管材的制备及结构与性能研究
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《石油管材与仪器》[ISSN:2096-0077/CN:61-1500/TE]

卷:
5
期数:
2019年04期
页码:
57-60
栏目:
TEC 2019国际会议专栏
出版日期:
2019-08-20

文章信息/Info

Title:
Preparation, Structure and Properties of Biaxially Oriented Polyethylene Pipes
文章编号:
2096-0077(2019)04--0057-04
作者:
王宇杰1赵晓文2牛振宇3孔琛2黄强1陈商涛1荔栓红1胡杰1叶林2
1. 中国石油天然气股份有限公司石油化工研究院合成树脂加工应用研究室 北京 102206;2. 高分子材料工程国家重点实验室,四川大学高分子研究所 四川 成都 610065;3. 西安长庆科技工程有限责任公司 陕西 西安 710000
Author(s):
WANG Yujie1ZHAO Xiaowen2NIU Zhenyu3KONG Chen2HUANG Qiang1CHEN Shangtao1LI Shuanhong1HU Jie1YE Lin2
1. Synthetic Resin Laboratory, Petrochemical Research Institute, PetroChina, Beijing 102206, China; 2. State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu, Sichuan 610065, China; 3. Xi′an Changqing Technology Engineering Co. Ltd., Xi′an, Shaanxi 710000, China
关键词:
双轴取向聚乙烯管材固相口模拉伸技术结晶取向结构双向自增强
Keywords:
biaxially oriented polyethylene pipes solid die drawing technology oriented crystalline structure biaxial self-reinforcement
分类号:
TQ31
DOI:
10.19459/j.cnki.61-1500/te.2019.04.014
文献标志码:
A
摘要:
采用固相口模拉伸技术制备双轴取向聚乙烯管材,研究拉伸温度、速率等工艺条件对其轴向及环向拉伸比的影响,探究具有不同拉伸比的管材试样分子双轴取向结晶结构。口模拉伸速率对管材轴向及环向拉伸比影响较大;随轴向拉伸比增加,管材分子的结晶性能增强;当轴向拉伸比较小时,管材分子沿轴向与环向取向程度均增加,环向取向因子由0.036增至0.293,并逐渐产生偏离轴向的双轴取向片晶结构,而当轴向拉伸比较大时,管材分子片晶结构逐渐沿垂直于轴向方向发生扭转。 结果表明,经固相口模拉伸后试样轴向及环向拉伸强度均大幅提高,实现了聚乙烯管材的双向自增强。
Abstract:
In this work, biaxially oriented polyethylene pipes were prepared through solid die drawing technology. The influences of drawing temperature and speed on the draw ratio both in the axial and hoop direction were studied, and the biaxially oriented structures of the pipe samples with different draw ratio were discussed. Drawing speed had a great influence on the draw ratio of the pipes. With the increase of the axial draw ratio, the crystallinity of the sample increased. When the axial draw ratio was low, the degree of orientation both in axial and hoop direction increased, and the value of the latter one can increase from 0.036 to 0.293. Moreover, the lamellae deviated from the axial direction and biaxially oriented structure formed. However, when the axial draw ratio was high, the arrangement of the lamellae twisted towards the direction perpendicular to the axial direction. The results showed that, after die drawing, the tensile strength of the samples both in axial and hoop direction were enhanced obviously, realizing the biaxial self-reinforcement of polyethylene pipes.

参考文献/References:

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备注/Memo

备注/Memo:
共同第一作者简介:王宇杰,男,1983年生,工程师,博士,主要从事通用聚烯烃树脂开发、助剂配方开发及高分子加工工艺、模拟加工技术、先进加工技术研究工作。E-mail:wangyujie010@petrochina.com.cn 赵晓文,女,1981年生,副研究员,博士,主要从事通用高分子材料、工程塑料及生物医用高分子材料合成、制备、加工技术理论、结构表征与应用开发工作。E-mail:zhaoxiaowenscu@126.com
更新日期/Last Update: 2019-08-25