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Title: Small cell foams and blends and a process for their preparation

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.
Inventors:
;
Issue Date:
OSTI Identifier:
6607941
Assignee:
Dow Chemical Co., Midland, MI (United States) PTO; EDB-95-036742
Patent Number(s):
US 5387617; A
Application Number:
PPN: US 8-148440
Contract Number:
W-7405-ENG-48
Resource Relation:
Patent File Date: 8 Nov 1993
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; FOAMS; FABRICATION; POLYMERS; PROCESSING; NUCLEATION; COLLOIDS; DISPERSIONS 360601* -- Other Materials-- Preparation & Manufacture; 400201 -- Chemical & Physicochemical Properties