Process for producing photographic master batch and process for

Details Process for producing photographic master batch and process for Process for producing photographic master batch and process for

1984-09-27

1987-03-17

Newsome, John H.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

15624411, 264169, 427391, 523351, G03C 176

Patent

active

046507477

ABSTRACT:
A polyolefin resin composition containing 5 to 150 ppm of an antioxidant and a high-concentration (e.g. 40 to 80% by weight) titanium dioxide pigment is diluted with a polyolefin resin to prepare a medium-concentration (e.g. 20 to 60% by weight) titanium dioxide pigment-containing photographic master batch, then this master batch is further diluted with a polyolefin resin to form a low-concentration (e.g. 5 to 20% by weight) titanium dioxide pigment-containing resin composition, and this resin composition is melt extruded and coated on a support made of paper or a synthetic paper to produce photographic resin coated paper. According to this process, both die lip staining and formation of microgrits are prevented.

REFERENCES:
patent: 4369267 (1983-01-01), Keung et al.
patent: 4482200 (1984-04-01), Asao

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