Process for continuous mixing of a two-liquid curing type resin

Details Process for continuous mixing of a two-liquid curing type resin Process for continuous mixing of a two-liquid curing type resin

1989-04-11

1991-06-25

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528351, 528353, 526 66, C08G 6926

Patent

active

050268201

ABSTRACT:
Disclosed is a process for continuously mixing two liquid components, whose one liquid component is a two-liquid curing type resin which comprises continuously supplying one liquid component under stirring into a mixing container and pouring the other liquid component into said container by pushing open a needle forcibly provided to a check valve, the improvement wherein said needle is pushed open with a non-curing liquid, thereafter, a curing liquid is poured into said mixing container. According to the present invention, when, for example, a polyamide acid and a curing agent are caused to mix and react with each other, a transparent polyimide mixed uniformly is obtained and high quality molded articles of polyimide are provided therefrom.

REFERENCES:
patent: 3398012 (1968-08-01), Parkes et al.
patent: 4581264 (1986-04-01), Emery et al.

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