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

Patent · Sat Dec 31 23:00:00 EST 1994

OSTI ID:869765

Hedstrand, David M ^[1]; Tomalia, Donald A ^[1]

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1. Midland, MI

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.

• Research Organization: Lawrence Livermore National Laboratory (LLNL), Livermore, CA
• DOE Contract Number: W-7405-ENG-48
• Assignee: Dow Chemical Company (Midland, MI)
• Patent Number(s): US 5393797
• OSTI ID: 869765
• Country of Publication: United States
• Language: English

Related Subjects

/521/528/
000
agent
branched
branched interior
capable
cell
cell foam
cell foams
composition
composition capable
containing
dendrimer
dense
dense star
described
diameter
exterior
foam
foams
highly
highly branched
hydrophobic
hydrophobic outer
interior
matrix
matrix polymer
modified
modified dense
monomeric
nm
nucleating
nucleating agent
outer
outer shell
particle
particle diameter
polymer
providing
shell
star
star polymer
structure