Laminated packaging material

Details Laminated packaging material Laminated packaging material

1995-03-16

1996-02-13

Nakarani, D. S.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428201, 428206, 428207, 428346, 428347, 428349, 428446, 428448, 428451, 428480, B32B 712, B32B 3300

Patent

active

054910188

ABSTRACT:
In a laminated packaging material including a substrate, a silicon oxide layer, an adhesive layer or anchor coat layer and a heat-sealable resin layer which are successively laminated, the adhesive layer or anchor coat layer is formed by coating a water-based adhesive composition or a water-based anchor coat agent composition, respectively, on the silicon oxide layer, followed by drying. On the anchor coat layer, a solvent-free adhesive layer may be provided. Also in a laminated packaging material including a substrate, a silicon oxide layer, an ink layer, an adhesive layer and a heat-sealable resin layer which are successively laminated, the ink layer is formed by coating a water-based ink composition on the silicon oxide layer, followed by drying. In this case, the adhesive layer may preferably be formed by coating a water-based adhesive composition on the ink layer, followed by drying. When an oil-based ink is used as the ink composition, the anchor coat layer may preferably be formed by coating a water-based anchor coat agent composition on the silicon oxide layer, followed by drying.

REFERENCES:
patent: 5100720 (1992-03-01), Sawada et al.
patent: 5232755 (1993-08-01), Komiya et al.
Database WPI, Week 8547, Derwent Publications Ltd., London, GB; Abstract, AN 85-293901 (JP 60 203431). Oct. 15, 1985.
Database WPI, Week 8836, Derwent Publications Ltd., London, GB; Abstract, AN 88-254709 (JP 63 186652). Aug. 2, 1988.
Database WPI, Week 9037, Derwent Publications Ltd., London, GB; Abstract, AN 90-278515 (JP 2 194944). Aug. 1, 1990.
Database WPI, Week 9120, Derwent Publications Ltd., London, GB; Abstract, AN 91-142888 (JP 3 076640). Apr. 2, 1991.
Patent Abstracts of Japan, Abstract vol. 015239, Jun. 20, 1991 (JP 3 076640). Apr. 2, 1991.
International Search Report, PCT/JP92/01722 dated Mar. 23, 1993.

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