Method of producing porous material having open pores

Details Method of producing porous material having open pores Method of producing porous material having open pores

1987-08-21

1989-05-09

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

26433112, 264DIG13, 521 64, 521128, 521178, 528111, 528123, C08J 928, C08G 5960

Patent

active

048287717

ABSTRACT:
A method of producing a porous material having open pores comprises the steps of preparing an emulsion slurry by vigorously agitating a mixture comprising (i) a glycidyl type epoxy resin, (ii) a first hardener selected from the group consisting of modified polyamine hardeners each being prepared by modifying a polyamine hardener with a modifier, amine hardeners and mixtures thereof, (iii) a second hardener selected from the group consisting of polyamide hardeners, (iv) a filler and (v) water, casting said slurry in a water-impermeable mold, and hardening said slurry while it contains water. A large size molded product having a complicated contour and having open pores whose average pore diameter ranges from 0.2 to 10 microns can be produced with high dimensional accuracy.

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