Reaction injection molded elastomers containing acid amides

Details Reaction injection molded elastomers containing acid amides Reaction injection molded elastomers containing acid amides

1984-02-13

1984-12-11

Cockeram, Herbert S.

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...

26433119, 264300, 528 76, 528 77, 528 84, C08G 1832, C08G 1834, C08G 1850

Patent

active

044879121

ABSTRACT:
The invention relates to reaction injection molded elastomers derived from high molecular weight active hydrogen containing materials, a chain extender, a polyisocyanate and an acid amide as an internal mold release agent imparting superior hot tear strength. The reaction injection molded (RIM) elastomers of this invention are useful, for example, as automobile body parts.

REFERENCES:
patent: 3838076 (1974-09-01), Moss et al.
patent: 4246363 (1981-01-01), Turner et al.
patent: 4254069 (1981-03-01), Dominguez
patent: 4269945 (1981-05-01), Vanderhider et al.
patent: 4272618 (1981-06-01), Dominguez et al.
patent: 4376834 (1983-03-01), Goldwasser et al.
patent: 4379100 (1983-04-01), Salisbury et al.
patent: 4396729 (1983-08-01), Dominguez et al.
patent: 4433067 (1984-02-01), Rice et al.
patent: 4444910 (1984-04-01), Rice et al.

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