Heat-sensitive record material and method for producing it

Details Heat-sensitive record material and method for producing it Heat-sensitive record material and method for producing it

1989-08-22

1991-07-30

Schwartz, Pamela R.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

427146, 427152, 428195, 428207, 428323, 428331, 428913, 428914, B41M 526

Patent

active

050359541

ABSTRACT:
The heat-sensitive record materials have, between the base sheet and the recording layer, a middle layer which mainly comprises a binder and at least one pigment having an oil absorption of at leasat 80 cc/100 g measured by JIS K 5101. The middle layer comprises an acrylic thickener in an amount of 0.05 to 5 parts by weight per 100 parts by weight of the pigment on dry basis.
The middle layer is formed by blade-coating on a base sheet a coating composition comprising at least one pigment having an oil absorption of at least 80 cc/100 g measured by JIS K 5101 and a binder, in which an acrylic thickener is comprised in such amount as described above.

REFERENCES:
patent: 4168845 (1979-09-01), Oeda et al.
patent: 4246312 (1981-01-01), Kosaka et al.

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