Polyester vessel having improved dimension stability and process for preparation thereof
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United States of America Patent
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Aug 18, 1987
Grant Date -
N/A
app pub date -
Oct 16, 1985
filing date -
Oct 16, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a thermoplastic polyester, a compound having at least two ethylenically unsaturated groups and/or oxirane rings in one molecule is coated as a crosslinking agent on the outer surface of the polyester substrate, or a polyester composition containing this crosslinking agent is laminated on the polyester substrate as the inner surface layer, and the crosslinking agent or the crosslinking agent-containing polyester composition is irradiated with ionizing radiant rays or ultraviolet rays. In this processed vessel, the dimension stability and rigidity are highly improved, and deformation under heat and/or pressure can be effectively prevented.
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