Di(alkylthio)diamine chain extenders for polyurethane elastomers

Details Di(alkylthio)diamine chain extenders for polyurethane elastomers Di(alkylthio)diamine chain extenders for polyurethane elastomers

1985-03-04

1986-06-17

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...

2643281, C08G 1832, B29B 700

Patent

active

045957428

ABSTRACT:
Polyurethanes and a process for their preparation with aromatic diamines having an aromatic ring, one of said at least one aromatic ring having thereon at least two alkylthio substituents and at least one amino substituent. An isocyanate prepolymer may be combined with a diamine chain extender of the invention and cured at suitable processing temperatures to form elastomers with good physical properties.

REFERENCES:
patent: 4146688 (1979-03-01), Schwindt et al.

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