Process for making porous resin and molded product containing co

Details Process for making porous resin and molded product containing co Process for making porous resin and molded product containing co

1987-09-01

1989-04-04

Ivy, C. Warren

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

264 453, 264225, 264337, 521 63, C08J 928

Patent

active

048184535

ABSTRACT:
A novel manufacturing process of mold containing continuous holes and used for filter materials, gas dispersive materials, and mold materials. By this invention, the epoxy resin mixture including an epoxy compound having one or more epoxy groups in each mole, a hardener which reacts with and hardens the epoxy compound, emulsifiers, water or water-surface active agent, and fillers respectively is used as the molding material. As the emulsifier, at least two kinds of three different kinds of nonionic emulsifiers of 4-8, 8-17, and 11-15.6 HLB respectively are used together.
The molding material is cured to a desired shape to prepare a mold containing continuous holes and for molding, conventional methods such as hardening after casting, for example, are adopted.

REFERENCES:
patent: 3213044 (1965-10-01), Wagner
patent: 3669911 (1972-06-01), Najvar
patent: 3825506 (1974-07-01), Carter
patent: 3870666 (1975-03-01), Becker
patent: 3929685 (1975-12-01), Jung
patent: 3945964 (1976-03-01), Winton et al.
patent: 4464485 (1984-08-01), Kisnima
Chemical Abstracts vol. 83, No. 22, Dec. 1975, page 1, Abstract No. 180505p.

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