Expandable synthetic resinous thermoplastic particles, method for the preparation thereof and the application therefor
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United States of America Patent
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Nov 27, 1984
Issued Date -
N/A
app pub date -
Apr 16, 1984
filing date -
May 10, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Resilient foam particles and moldings are obtained employing a lightly crosslinked polymer such as a styrene polymer with volatile fluid foaming agent that has low permeability through the polymer. Multiple expansion will permit low density particles for molding.
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