An Investigation of the Basic Properties of Irradiated Polyethylene Memory Materials.

Abstract

This report describes the work done and conclusions arrived at in an investigation of the basic properties of irradiated polyethylene memory materials. The properties affecting crosslinking, the main factor which determines the memory in polyethylene, were investigated using different commercial polyethylene materials. These properties included: Molecular Weight, Molecular Weight Distribution, and the Degree of Branching. It was found that the molecular weight distribution was the main factor that influences the crosslinking efficiency. In addition,the conditions at which the crosslinking occurs were investigated. These conditions are temperature, oxygen environment, and radiation dose. It was found that at irradiations conducted around 25 deg C., temperature is not an important factor but that the presence of oxygen does affect the crosslinking of thin films. jg p11

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1969
Accession Number
ADA306077

Entities

People

  • Donald Greer
  • John Rozembersky
  • Preston Keusch

Tags

Communities of Interest

  • Advanced Electronics
  • Space

DTIC Thesaurus Topics

  • Biomedical And Dental Materials
  • Environmental Tests
  • Gamma Rays
  • Gel Permeation Chromatography
  • Ionizing Radiation
  • Materials Processing
  • Materials Testing
  • Measurement
  • Plastics
  • Polymeric Films
  • Polymers
  • Resins
  • Schematic Diagrams
  • Stress Strain Relations
  • Stresses
  • Test Methods
  • Thermoplastic Resins

Fields of Study

  • Materials science

Readers

  • Computer Engineering
  • Nuclear and Radiation Engineering.
  • Polymer Science and Engineering.