FOAM SHEET AND PRODUCTION PROCESS THEREOF
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United States of America Patent
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app pub date -
Jan 14, 2009
filing date -
Jul 18, 2003
priority date (Note) -
Abandoned
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Abstract
A foam sheet produced from a foamable composition containing an acid generator that generates acid or a base generator that generates base due to the action of an active energy beam, and containing a compound having decomposing foamable functional group that decomposes and eliminates at least one type of low boiling point volatile substance by reacting with acid or base, makes it possible to obtain a microcellular thin foam that was considered to be difficult to produce thus far, thereby greatly expanding the range of fields in which foams can be used and significantly contributing to industry.
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