Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1988-08-24
1990-06-05
Welsh, Maurice J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
5253337, 525417, 525420, 525450, 525453, 525535, 525540, 528405, C08L 7504
Patent
active
049315129
ABSTRACT:
A process for producing a thermoset resin, which comprises reacting (A) an organic compound containing at least two groups selected from the class consisting of alcoholic hydroxyl groups, aromatic amino groups and aromatic aminomethyl groups, and (B) a poly(cyclic iminoether) in the presence of (C) a compound acting as an acid catalyst, at an elevated temperature.
REFERENCES:
patent: 4430491 (1984-02-01), Culbertson et al.
patent: 4474942 (1984-10-01), Sano et al.
patent: 4600766 (1986-07-01), Arita et al.
patent: 4613662 (1986-09-01), Goel
patent: 4640969 (1987-02-01), Goel et al.
Inata Hiroo
Matsumura Shunichi
Okada Masuhiro
Umetani Hiroyuki
Teijin Limited
Welsh Maurice J.
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