Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1987-07-14
1988-05-17
Welsh, Maurice J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521128, 521130, 521135, 521137, 524198, 524212, 524244, 524714, 525127, 525128, 525130, 264 51, C08G 1814
Patent
active
047451351
ABSTRACT:
Polyurethanes are prepared from a polyol which itselve contains liquid crystalline moieties or which contains dispersed or dissolved liquid crystalline polymers. The use of this polyol is found to provide improved properties to polyurethanes, especially flexible polyurethane foams, which exhibit improved load bearing.
REFERENCES:
patent: 3872050 (1975-03-01), Benton et al.
Verbit et al., Mol. Cryst. Liq. Cryst., 1975, 30, pp. 87-99, 1972.
Tanaka et al., Kobunshi Ronbunsku, 43, pp. 311-314, 1986.
Sato, Porima Daijesuto, 37 (6), pp. 10-16, 1985.
Jadhav et al., "Liquid Crystalline Polyurethanes" Gordon Research Conference, Jul. 7, 1986.
Iimura et al., Makromol. Chem, 182, pp. 2569-2575, 1981.
Tanaka et al., Polym. Prep. Japan, 33(7), pp. 1647-1650, 1984.
Thomas Oomman P.
Turner Robert B.
The Dow Chemical Company
Welsh Maurice J.
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