Stock material or miscellaneous articles – Composite – Of polyester
Patent
1992-10-15
1994-02-22
Kight, III, John
Stock material or miscellaneous articles
Composite
Of polyester
528272, 528296, 528298, 528300, 528301, 528302, 528305, 528307, 528308, 5283087, 525437, 525441, 525443, 525472, 525509, 525519, 428458, 428460, B32B 2706
Patent
active
052885593
ABSTRACT:
Provided is a coating composition for a two-piece can containing a polyester resin (A) consisting essentially of terephthalic acid and propylene glycol and containing tri- or more functional polycarboxylic acid or polyol comonomer(s) and an alkyl-etherified aminoformaldehyde resin (B); and the coating film (C) to be obtained by reacting these (A) and (B) in the composition has larger tensile strength and elongation than the film made of only (A). The coating composition is coated on at least one surface of a metal sheet to give a coated metal sheet for a two-piece can. The coated metal sheet may be formed into a drawn and ironed can or a drawn and re-drawn can. The adhesiveness of the coated film to the metal sheet is high, and the coated film has excellent resistance to blistering and resistance to whitening and has excellent flavor preservability.
REFERENCES:
patent: Re29961 (1979-04-01), van Dorp et al.
patent: 3919350 (1975-11-01), Iwasawa et al.
patent: 4714657 (1987-12-01), Quinn et al.
Aoki Takao
Fujimoto Hiroshi
Oka Masami
Tachika Hiroshi
Acquah Sam A.
Kight III John
Toyo Boseki Kabushiki Kaisha
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