At least substantially pore-free polyurethane molding compounds

Details At least substantially pore-free polyurethane molding compounds At least substantially pore-free polyurethane molding compounds

1989-11-09

1994-02-15

Kight, III, John

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

524871, 524875, 528 745, 528 81, C08G 1806

Patent

active

052868311

ABSTRACT:
The present invention directed to an at least substantially pore-free polyurethane prepared by reacting at least one polyisocyanate and a component containing a partial carboxylic acid ester which is the reaction product of a carboxylic acid and an at least trihydric alcohol in quantities such that at least one of the hydroxyl groups of said alcohol is not esterified.

REFERENCES:
patent: 2994674 (1961-08-01), Rudkin et al.
patent: 3546148 (1970-12-01), Diamond et al.
patent: 4677181 (1987-06-01), Hohlein et al.
patent: 4814410 (1989-03-01), Hohlein et al.
patent: 4868224 (1989-09-01), Harasin et al.
Becker/Braun, Kunststoff-Handbuch, vol. VII, Polyurethane, 1983, pp. 410-425, (English Version Submitted-pp. 388-405) pp. 86-87, (English Version Submitted-p. 85).

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