Multiple-use pressure-sensitive transfer recording media

Details Multiple-use pressure-sensitive transfer recording media Multiple-use pressure-sensitive transfer recording media

1985-07-09

1986-11-25

Herbert, Thomas J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

4002412, 4283202, 4283211, 4283213, 428914, B32B 326, B32B 518, B41J 3102

Patent

active

046248811

ABSTRACT:
A multiple-use pressure-sensitive transfer recording media which comprises a foundation and a finely porous layer provided on the foundation, said porous layer comprising minute porous particles and a binder material for bonding the porous particles to each other and containing a liquid ink paste substantially incompatible with the binder material, characterized by at least one of the following features: (i) that said liquid ink paste contains as a coloring agent a pigment, and an oil-soluble dye in a state that it is dissolved in a liquid fatty acid, and said liquid ink paste has a viscosity of not less than 300 cP and less than 4,000 cP at ordinary temperature; (ii) that said binder material is a vinyl chloride-vinyl acetate copolymer comprising 4 to 7 parts by weight of vinyl chloride and 5 parts by weight of vinyl acetate; and (iii) the combination of the foregoing features (i) and (ii). The recording media gives clear and sharp images without unevenness and spots for a multiplicity of strikes.

REFERENCES:
patent: 4217388 (1980-08-01), Scott et al.
patent: 4336767 (1982-06-01), Wada
patent: 4427739 (1984-01-01), Kohle et al.
patent: 4515489 (1985-05-01), Kohle et al.
patent: 4544292 (1985-10-01), Kohle et al.

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