Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1985-07-19
1987-09-29
Kight, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
524130, 524141, 524143, 528 65, 528 72, C08K 552, C08K 553, C08G 1808
Patent
active
046969527
ABSTRACT:
Flame-retardant polyurethane foam having a very good skin weldability and a very low level of skin staining is produced from a polyhydroxy compound, organic polyisocyanate, blowing agent, catalyst, foam stabilizer, and flame retardant, and other additives, wherein the flame retardant contains a triaryl phosphate ester and the polyhydroxy compound is a mixture composed of 100 parts by weight of high-molecular-weight polyhydroxy compound having a hydroxyl number lower than 100 and 0.5 to 10 parts by weight of low-molecular-weight polyhydroxy compound having a hydroxyl number higher than 560 and having 2 to 4 hydroxyl groups in one molecule.
REFERENCES:
patent: 4565833 (1986-01-01), Buszard et al.
Kouketsu Shigeaki
Okuyama Toru
Sato Take
Shimomura Kenji
Bridgestone Corp.
Ikeda Bussan Co. Ltd.
Kight John
Moore M. L.
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