Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step
Patent
1982-11-30
1984-02-14
Powell, William A.
Adhesive bonding and miscellaneous chemical manufacture
Delaminating processes adapted for specified product
Delaminating in preparation for post processing recycling step
156655, 1566591, 252 795, B29C 1708, B44C 122, C03C 1500, C03C 2506
Patent
active
044314787
ABSTRACT:
Polyimide-type-resin-etching rate can remarkably be enhanced by combining tetramethylammonium hydroxide or an aqueous solution of tetramethylammonium hydroxide with at least one member selected from the group consisting of amide compounds represented by the following formula: ##STR1## and amide compounds represented by the following formula: ##STR2## and amine compounds represented by the following formula:
REFERENCES:
patent: 3361589 (1968-01-01), Lindsey
patent: 3871930 (1975-03-01), Fish
patent: 4369090 (1983-01-01), Wilson et al.
Isozaki Kenmatsu
Mizuno Masuo
Nishi Kyotaro
Okabe Yukihiro
Waki Mitsutaka
Flocks Karl W.
Neimark Sheridan
Powell William A.
Sumitomo Bakelite Co. Ltd.
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