Polyurethane elastomers with reduced gas permeability

Details Polyurethane elastomers with reduced gas permeability Polyurethane elastomers with reduced gas permeability

1997-01-06

1998-01-20

Sergent, Rabon

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...

522 60, 522134, 522165, 522173, 525424, 525434, 525452, 525453, 525454, 528 50, 528 85, C08G 1846, C08G 1860, C08G 1832, C08L 7506

Patent

active

057102333

ABSTRACT:
Polyurethane elastomers with reduced gas permeability are prepared by reaction of:

REFERENCES:
patent: 2424884 (1947-07-01), Cook et al.
patent: 3230199 (1966-01-01), Muhlhausen et al.
patent: 3758631 (1973-09-01), Werner et al.
patent: 3935146 (1976-01-01), Noll et al.
patent: 4335231 (1982-06-01), Singh
patent: 4769436 (1988-09-01), Beck et al.

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