Reaction product of mixed uretdiones and a disecondary diamine

Details Reaction product of mixed uretdiones and a disecondary diamine Reaction product of mixed uretdiones and a disecondary diamine

1997-03-17

1999-06-15

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...

525452, 528 59, 528 67, 528 68, 528 73, 540202, 548951, 548952, 564 57, 564 59, 564 60, 564 61, C08G 1810, C08G 1879, C08G 1880, C07D22900

Patent

active

059123141

ABSTRACT:
A Polyaddition product, containing uretdione groups, which is obtainable by reaction of (A) a diisocyanate mixture which contains uretdione groups and comprises (1) at least 40 mol % to not more than 80 mol % of isophorone diisocyanate containing uretdione groups and (2) not more than 60 mol % and not less than 20 mol % of hexamethylene diisocyanate containing uretdione groups, with (B) a disecondary diamine, in an NCO/NH ratio of 1:0.5 to 1:0.9 at room temperature to 60.degree. C. in a solvent which is inert towards isocyanates.

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Database WPI, Section CH, Week 9606, Derwent Publications Ltd., London, GB; Class A25, AN 96-056031, XP002033463 & JP 07 316 258 A (Asahi Kasei Kogyo KK), Dec. 5, 1995, *Zusammenfassung*.
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DE1670720-A, Jan. 14, 1971 (8439), Abstract.
US5143994-A, Sep. 1, 1992 (9249), Abstract.
US4912210-A, Mar. 27, 1990 (9018), Abstract.

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