Small cell foams containing a modified dense star polymer or dendrimer as a nucleating agent
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United States of America Patent
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Feb 28, 1995
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N/A
app pub date -
Jun 13, 1994
filing date -
Jan 22, 1993
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Abstract
A small cell foam having a modified dense star polymer or dendrimer is described. This modified dense star polymer or dendrimer has a highly branched interior of one monomeric composition and an exterior structure of a different monomeric composition capable of providing a hydrophobic outer shell and a particle diameter of from about 5 to about 1,000 nm with a matrix polymer.
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