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Effect of free monomer content on the drawing behavior of poly(methyl methacrylate)
Author(s) -
Hope P. S.,
Duckett R. A.,
Ward I. M.
Publication year - 1980
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1980.070250711
Subject(s) - methyl methacrylate , monomer , materials science , polymer , poly(methyl methacrylate) , hardening (computing) , polymer chemistry , composite material , strain hardening exponent , degradation (telecommunications) , methacrylate , yield (engineering) , telecommunications , layer (electronics) , computer science
Cold drawing has been used to produce oriented samples of various molecular weight grades of poly(methyl methacrylate), all of which exhibited marked strain hardening characteristics over a range of drawing temperatures. The differences between the yield and drawing behavior of the grades did not correlate with molecular weight but could instead be attributed to the plasticizing effect of additional free monomer, generated by degradation during melt processing of the polymer.