Production of rigid shaped articles using phenol-formaldehyde re

Details Production of rigid shaped articles using phenol-formaldehyde re Production of rigid shaped articles using phenol-formaldehyde re

1977-06-30

1978-10-24

Woodberry, Edward M.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Autogenously or by activation of dry coated particles

156242, 156335, 260 172, 264109, 264113, 264122, 264134, B29C 2700, C09J 504

Patent

active

041221443

ABSTRACT:
Rigid shaped articles are formed by providing a novel thermosetting phenol-formaldehyde resin having a characteristic structure and infra-red spectrum as a coating over the surfaces of a plurality of individual elements, forming the coated elements into a shape and thermosetting the resin of the coating.

REFERENCES:
patent: 3485797 (1969-12-01), Robins
patent: 3501552 (1970-03-01), Robins
patent: 3535185 (1970-10-01), Tveten
patent: 3690979 (1972-09-01), Jarvi

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