Three component polyol blend for use in insulating rigid polyure

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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521173, 521174, 521131, 521902, C08G 1832

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active

056840578

ABSTRACT:
There is now provided a polyisocyanate based rigid closed cell foam made by reacting an organic isocyanate with a polyol composition in the presence of a blowing agent, where the polyol composition contains at least:

REFERENCES:
patent: 5391317 (1995-02-01), Smits
"An Insight Into the Characteristics of a Nucleation Catalyst in CFC-Free Rigid Foam Systems," 35th Annual Polyurethane Technical/Marketing Conference, Oct. 9-12, 1994, by H. Yoshimura, Y. Tamano, S. Okuzono, D. Lowe, pp. 300-310.

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