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Title: Small cell foams containing a modified dense star polymer or dendrimer as a nucleating agent

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.
Inventors:
 [1];  [1]
  1. (Midland, MI)
Issue Date:
OSTI Identifier:
869765
Assignee:
Dow Chemical Company (Midland, MI) LLNL
Patent Number(s):
US 5393797
Contract Number:
W-7405-ENG-48
Research Org:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Country of Publication:
United States
Language:
English
Subject:
cell; foams; containing; modified; dense; star; polymer; dendrimer; nucleating; agent; foam; described; highly; branched; interior; monomeric; composition; exterior; structure; capable; providing; hydrophobic; outer; shell; particle; diameter; 000; nm; matrix; cell foam; modified dense; outer shell; dense star; cell foams; star polymer; hydrophobic outer; composition capable; particle diameter; highly branched; nucleating agent; branched interior; matrix polymer; /521/528/