Polyurethane-based elastomeric material

Details Polyurethane-based elastomeric material Polyurethane-based elastomeric material

1986-06-05

1987-08-25

Welsh, Maurice J.

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...

528 55, 528 67, 528 76, 528 80, 528 83, C08G 1832

Patent

active

046893857

ABSTRACT:
The invention disclosed relates to an elastomeric polyurethane-based material which is resistant to penetration by chemical-warfare agents and as such is suitable for use in protective clothing such as facemasks. The novel materials are made according to a process which comprises reacting a saturated hydroxyl-terminated polyol with a polyisocyanate.

REFERENCES:
patent: 4203875 (1980-05-01), Garner et al.
patent: 4303773 (1981-12-01), Ganster et al.
patent: 4588802 (1986-05-01), Chang

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