Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1983-06-07
1985-06-18
Weston, Caleb
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
138137, 138141, 15624413, 15624417, 15624424, B29D 702, B29D 2304
Patent
active
045239703
ABSTRACT:
A process for manufacturing a sealant coated heat recoverable polymeric article is disclosed. The process includes the steps of extruding at least two different polymeric materials to form a unitary shaped article and thereafter exposing the shaped article to a source of ionizing radiation to thereby cross-link one of the polymeric materials and convert the other polymeric material into a tacky sealant. The article may be rendered dimensionally heat recoverable by either: (a) deforming the article into a different shape at a temperature below the crystalline melt temperature of the cross-linkable material and then exposing the deformed article to a source of ionizing radiation or alternatively, (b) subsequent to an irradiation step, heating the article to about the crystalline melt temperature of the cross-linked material, distorting the article, and then cooling the article while maintaining it in the distorted shape to a temperature below the crystalline melt temperature; thereby by either method rendering the cross-linked portion of the article recoverable toward its original shape upon subsequent heating.
REFERENCES:
patent: 2027962 (1936-01-01), Currie
patent: 3086242 (1963-04-01), Cook et al.
patent: 3243211 (1966-03-01), Wetmore
patent: 3297819 (1967-01-01), Wetmore
patent: 3382121 (1968-05-01), Sherlock
patent: 3669824 (1972-06-01), Hess
patent: 3957382 (1976-05-01), Greuel et al.
patent: 3965215 (1976-06-01), Lopez et al.
patent: 4207364 (1980-06-01), Nyberg
patent: 4310367 (1982-01-01), Berejka
patent: 4373554 (1983-02-01), Cook
Burkard Herbert G.
Raychem Corporation
Rice Edith A.
Weston Caleb
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