Process for improving coating compositions for paper and paper s

Details Process for improving coating compositions for paper and paper s Process for improving coating compositions for paper and paper s

1973-07-24

1977-08-16

Schofer, Joseph L.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

162168R, 260 296H, 260 67UA, 260 8, C08L 8100, B32B 516, C09C 310

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active

040427480

ABSTRACT:
A process for improving the processability of a coating composition for paper and paper substitutes in which the composition contains at least one undissolved finely divided inorganic substance, organic substance, or mixture of such substances in a system comprised mainly of water, wherein the process comprises mixing into said system about 0.05 - 5.0 percent by weight of at least one dispersing agent consisting essentially of a polymer derived from specified units containing carboxyl, carboxylate, carbonyl and/or hydroxyl groups. A coating composition is provided.

REFERENCES:
patent: 2809186 (1957-10-01), Smith
patent: 3227688 (1966-01-01), Kern et al.
patent: 3235493 (1966-02-01), Kaupp et al.
patent: 3402100 (1968-09-01), Melchick
patent: 3597374 (1971-08-01), Nagan
patent: 3825498 (1974-07-01), Altenschopfer
patent: 3902958 (1975-09-01), Breen et al.
patent: 3942995 (1976-03-01), Ichikawa et al.
Pezzaglia et al. vol. 48, No. 5 May 1965 Tappi.
Encyclopedia of Polymer Science and Technology vol. 1 - Interscience - 1964 - pp. 160-177.

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