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Properties of water blown rigid polyurethane foams with different functionality

✍ Scribed by Xiaobin Li; Hongbin Cao; Yi Zhang

Book ID
107403482
Publisher
Wuhan University of Technology
Year
2008
Tongue
English
Weight
417 KB
Volume
23
Category
Article
ISSN
1000-2413

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## Abstract Rigid polyurethane foams (PUFs) were prepared from polymeric 4,4‐diphenylmethane diisocyanate (PMDI; having functionality of 2.9), polyether polyols, silicone surfactant, amine catalysts, and distilled water. The effects of reactivity on the properties such as density, compressive and f