Polyurethane foams and foam forming compositions containing amin

Details Polyurethane foams and foam forming compositions containing amin Polyurethane foams and foam forming compositions containing amin

1978-11-20

1980-07-08

Cockeram, H. S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521128, 521160, 521163, 521905, 528 69, C08G 1814, C08G 1871

Patent

active

042118476

ABSTRACT:
This invention relates to urethane forming compositions and a method of forming polyurethanes having low residual potentially carcinogenic aromatic amines by adding scavengers from the group comprising cyclohexyl monoisothiocyanate and hindered aliphatic monoisocyanates of the general formula: ##STR1## wherein R.sub.1 - R.sub.7 are H, alkyl, cycloalkyl, aryl, alkaryl, aralkyl or mixtures thereof and x is 1 to 7.

REFERENCES:
patent: 3554962 (1971-01-01), Fischer
patent: 3590002 (1971-06-01), Powers
patent: 3706710 (1972-12-01), Camilleri et al.
patent: 3790508 (1974-02-01), Triolo
patent: 3839491 (1974-10-01), Gamero et al.
patent: 3919173 (1975-11-01), Coyner et al.
patent: 3923713 (1975-12-01), Hermann
patent: 3925319 (1975-12-01), Hiatt et al.
patent: 3959191 (1976-05-01), Kehr et al.
patent: 4008189 (1977-02-01), van Leuwen et al.
patent: 4130542 (1978-12-01), Chang et al.
patent: 4137200 (1979-01-01), Wood et al.
patent: 4160076 (1979-07-01), Guthrie et al.
Wood-Hydrophilic Polyurethane Foam System-Jour., Cellular Plastics, Sep./Oct., 1976, pp. 285-288.

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