Ultraviolet-curing coating composition for cans

Details Ultraviolet-curing coating composition for cans Ultraviolet-curing coating composition for cans

1996-10-02

1998-02-24

Lesmes, George F.

Coating processes

Direct application of electrical, magnetic, wave, or...

Polymerization of coating utilizing direct application of...

522168, 522170, 522 64, 522 77, 522 79, 522129, 522146, C08F 248

Patent

active

057210209

ABSTRACT:
An ultraviolet-curing coating composition for cans, which comprises:
(A) a cation-polymerizable compound,
(B) a compound having at least one oxetane ring in the molecule,
(C) a cationic initiator which generates a cation when irradiated with ultraviolet rays, and
(D) a lubricity-imparting agent, wherein the proportions of the individual components are:
(A) 1-99 parts by weight,
(B) 1-99 parts by weight,
(C) 0.01-20 parts by weight per 100 parts by weight of the total of (A) and (B), and
(D) 0.01-10 parts by weight per 100 parts by weight of the total of (A) and (B).
This ultraviolet-curing coating composition for cans can form a coating film superior in processability, adhesivity, hardness, mar resistance, etc. and particularly in appearance and retort resistance.

REFERENCES:
patent: 3835003 (1974-09-01), Schlesinger
patent: 4026705 (1977-05-01), Crivello et al.
patent: 4080274 (1978-03-01), Schlesinger
patent: 4154872 (1979-05-01), Tsao et al.
patent: 5093386 (1992-03-01), Bishop et al.
patent: 5463084 (1995-10-01), Crivello et al.
Nakashiro et al., "Method For Polymerizing Oxetanes", English translation of JP 37-14245 Sep. 17, 1962.
Geller et al., "The Relative Reactivity Of Cyclic Oxides In Cationic Polymerization. II", English translation Dec. 31, 1967.
Geller et al., "The Copolymerization Of Cyclic Oxides In The Presence Of Aluminum Isopropylate As Catalyst", English Translation Dec. 31, 1968.
Segawa et al., "Manufacturing Of Oxetane Polymers", English translation of JP 37-13892 Sep. 13, 1962.
Sasaki et al., "Active Energy Ray Hardening-Type Composition", English translation of JP 7-53711 Feb. 28, 1995.
Geller et al., "Copolymerization of Epoxides in the Presence of Aluminum Isopropylate Catalyst", Vysokomol. Soedin., 1878-82 1968.
Geller et al., "Relative Reactivity of Cyclic Oxides in Cationic Polymerization", Vysokomol. Soedin., 575-579 1967.

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