Small cell foams and blends and a process for their preparation
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United States of America Patent
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Feb 7, 1995
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N/A
app pub date -
Nov 8, 1993
filing date -
Jan 22, 1993
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Expired
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Abstract
Dense star polymers or dendrimers, modified by capping with a hydrophobic group capable of providing a hydrophobic outer shell, act as molecular nucleating agents. These modified dense star polymers or dendrimers are particularly effective for the production of small cell foams.
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