Cross-linkable polyurethane rubbers containing polyoxyperfluoroa

Details Cross-linkable polyurethane rubbers containing polyoxyperfluoroa Cross-linkable polyurethane rubbers containing polyoxyperfluoroa

1989-09-15

1991-08-27

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...

528 79, 528 88, 528110, 528485, 528356, C08G 1832

Patent

active

050434101

ABSTRACT:
Fluorinated polyurethanes containing blocks having a perfluoropolyethereal structure, with rubber-like properties, alternated with stiff structural units are taught. The stiff units are at least partially provided with a double bond of the olefinic type, which is suitable for causing the cross-linking of the polymeric chains with a cross-linking system of the radicalic type.

REFERENCES:
patent: 3714092 (1973-01-01), Mazzeo et al.
patent: 4508916 (1985-04-01), Newell et al.
patent: 4699969 (1987-10-01), Re et al.
patent: 4720527 (1988-01-01), Caporiccio et al.
patent: 4782130 (1988-11-01), Re et al.
patent: 4849493 (1989-07-01), Re et al.
patent: 4948844 (1990-08-01), Nakahara et al.

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