SHAPE MEMORY EFFECT OF SLIGHTLY-CROSSLINKED POLYETHYLENE*

LI Fengkui; ZHU Wei; ZHANG Xian; ZHAO Chuntian; XU Mao

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SHAPE MEMORY EFFECT OF SLIGHTLY-CROSSLINKED POLYETHYLENE*

Papers | Updated：2021-06-21

- SHAPE MEMORY EFFECT OF SLIGHTLY-CROSSLINKED POLYETHYLENE*
- Vol. 16, Issue 2, Pages: 155-163(1998)
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- Published：20 June 1998
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LI Fengkui, ZHU Wei, ZHANG Xian, et al. SHAPE MEMORY EFFECT OF SLIGHTLY-CROSSLINKED POLYETHYLENE*[J]. 1998, 16(2): 155-163.
DOI：

LI Fengkui, ZHU Wei, ZHANG Xian, et al. SHAPE MEMORY EFFECT OF SLIGHTLY-CROSSLINKED POLYETHYLENE*[J]. 1998, 16(2): 155-163. DOI：

摘要

A series of slightly crosslinked polyethylenes (SXLPE) was prepared by aone-step method using dicumyl peroxide as crosslinking agent in a Haake Mixer. The gelcontents G (Soxhlet extracted) of the samples are in the range from 5% to 20% by weight.Their shear viscosity

crystallization and melting behavior

dynamic mechanical propertiesand shape recovery effect were systematically investigated in terms of the content of thecrosslinking agent. It shows that under certain experimental conditions the SXLPE's may exhibit good shape fixation ability and shape memory properties

which are similar to those of the commercially available shape memory polyethylenes prepared by gamma-irradiation technique.However the shape memory behavior of these samples is not very stable due to their low crosslinking degree

or gel content.Thus their application is limited in special cases with fast strain fixing procedures.

Abstract

crystallization and melting behavior

or gel content.Thus their application is limited in special cases with fast strain fixing procedures.

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