Process for producing a paperboard product for premium packaging

Details Process for producing a paperboard product for premium packaging Process for producing a paperboard product for premium packaging

1989-03-22

1990-09-18

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

15624423, 428204, 428207, 428412, 428458, 4284755, 428480, B29C 4706

Patent

active

049575783

ABSTRACT:
A process is disclosed for preparing a high quality paperboard product with high brightness and a defect-free glossy surface. The product comprises a structure consisting essentially of a paperboard substrate onto one surface of which there is first applied a coating of a pigmented polyolefin and a subsequent coating of a clear polymeric material such as a polyester. The brightness and loss achieved for the paperboard product is superior to conventional coated paperboard, cast coated paperboard, or other laminated paperboards currently in use.

REFERENCES:
patent: 3629037 (1971-12-01), Masuda et al.
patent: 4147836 (1979-04-01), Middleton et al.
patent: 4343858 (1982-08-01), Thompson
patent: 4432820 (1984-02-01), Thompson
patent: 4455184 (1984-06-01), Thompson
patent: 4543280 (1985-09-01), Fujita et al.
patent: 4806398 (1989-02-01), Martin

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