REPORT OF INVESTIGATION OF OUTDOOR WEATHER AGING OF PLASTICS

Abstract

A study was made of outdoor weather aging of transparent and laminated plastic after a 10 yr. period at New York with specimens previously weather aged 3 mo to 3 yrs. The original 3 yr. program provided for weather aging under various weather conditions: Panama Canal Zone, New Mexico, New York City, Fort Churchill, Canada and Alaska. The materials included cast acrylic, cellulose acetate, allyl resin, vinyl copolymer and cast phenolic. Data on light transmission, dielectric constants and power factors, and flexural strengths after exposure are presented. Of the transparent class cast acrylic remained substantially clear through 8 yrs, allyl resin through 6 yrs. Vinyl copolymer showed negligible changes in flexural strength for the entire 10 year exposure. Photomicrographic studies show remarkable differences in effects produced by the 5 climates. Increasing surface deterioration was produced in all the laminates at the 5 exposure stations.

Document Details

Document Type
Technical Report
Publication Date
Jun 16, 1961
Accession Number
AD0262796

Entities

People

  • S.e. Yustein

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Biomedical And Dental Materials
  • Cellulose Acetates
  • Composite Materials
  • Copolymers
  • Dielectric Permittivity
  • Films
  • Flexural Strength
  • Laminates
  • Light Transmission
  • Materials
  • New Mexico
  • New York
  • Panama Canal
  • Plastics
  • Polymeric Films
  • Resins

Readers

  • Climatology
  • Educational Psychology
  • Polymer Science and Engineering.

Technology Areas

  • Microelectronics