Polyurethane foam composition

Details Polyurethane foam composition Polyurethane foam composition

1975-12-30

1978-07-11

Czaja, Donald E.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

260 37N, 521111, 521122, C08G 1806, C08K 334, C08L 7504

Patent

active

041001141

ABSTRACT:
A rigid polyurethane foam composition characterized by containing 5 to 20% by weight of hollow-spherical Silas balloons having a particle size of 100 to 300 .mu.(based on the total weight of the polyol and isocyanate components of the polyurethane foam) and 0.2 to 2% by weight of an organosilane compound (based on the total weight of the polyol and isocyanate components of the polyurethane foam and said Silas balloons) in the rigid polyurethane foam.

REFERENCES:
patent: 3046172 (1962-07-01), Reid
patent: 3238156 (1966-03-01), Kohrn
patent: 3290165 (1966-12-01), Iannicelli
patent: 3524794 (1970-08-01), Jonnes et al.
patent: 3585157 (1971-06-01), Beck
patent: 3627706 (1971-12-01), Chant
patent: 3959197 (1976-05-01), Salyer et a.
Einhorn-J. Cellular Plastics, Jan. 1965, pp. 25-31.
Kogyo Zairyo-21, No. 8, pp. 28-29 (Aug. 1973).
"Skalite," brochure from Aso Cement Co., Ltd.
Dow Corning Technical Bulletin No. 03-028 "Silane Coupling Agents" (1967), p. 24.

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