Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1978-08-28
1980-12-16
Cockeram, H. S.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521159, 521164, 521904, C08G 1814, C08G 1832
Patent
active
042398568
ABSTRACT:
A stable high-resilient (HR) flexible polyurethane foam may be made from an MDI type isocyanate, a polyether polyol and an amount of diethanolamine in an amount effective for preventing splits in the finished foam. The foams disclosed herein use water as the blowing agent. The disclosed foams have excellent properties and process without splitting.
REFERENCES:
patent: 3394164 (1968-07-01), McClellan et al.
patent: 3476933 (1969-11-01), Mendelsohn
patent: 3933701 (1976-01-01), Ping et al.
patent: 4119582 (1978-10-01), Matsubara et al.
patent: 4150206 (1979-04-01), Jourquin et al.
Webster's New World Dictionary, College Edition, World (N.Y.) 1964, p. 1576.
Wilson Follett, Modern American Usage, Hill & Wang (N.Y.) 1966, p. 334.
Buist-Developments in Polyurethane I, Applied Science Publishers Ltd. (London) p. 87 (no date).
Plastic Foams, Part 1, Frisch et al., Marcel Dekker (N.Y.) 1972, pp. 76-77, 80-81, 132-133.
Isonate 143L, Data Sheet of Upjohn Polymer Chemicals, LaPorte (Texas) 3 pp. (no date).
Cockeram H. S.
Kulason Robert A.
Priem Kenneth R.
Ries Carl G.
Texaco Development Corp.
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