Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1995-06-05
1997-06-03
Loney, Donald
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156153, 156219, 427421, 427448, 427452, 427453, 427455, 427258, 427270, 451 38, B32B 3100, B05D 104
Patent
active
056350023
ABSTRACT:
Disclosed is a structure composed of a ragged base body with a ragged surface and a non-adhesive layer of a non-adhesive high polymer, in which the layer is fixed to at least the depressions of the ragged surface in such a way that the ragged profile of the body appears on the outer surface, reiterated by the layer. The ragged profile has a mean surface roughness Ra of 0.5 to 20 .mu.m and the mean distance Z between the adjacent projections forming the ragged profile is 20 to 1000 .mu.m. The non-adhesive high polymer may be a silicone high polymer having a silicone oil content of 10% or less. It has an effective surface tension of 32 dyn/cm or less. As the structure has improved releasing characteristics, adhesion of an adhesive substance to the structure may be effectively prevented without using any conventional releasing agent.
REFERENCES:
patent: 3620895 (1971-11-01), Bailey et al.
patent: 3967042 (1976-06-01), Laskin et al.
patent: 4411943 (1983-10-01), Akao
patent: 4414317 (1983-11-01), Culp et al.
Maeda Katsuhiko
Oikawa Isamu
Cole Thomas W.
Loney Donald
Tokyo Silicone Co., Ltd.
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