Stock material or miscellaneous articles – Surface property or characteristic of web – sheet or block
Patent
1985-03-25
1987-05-12
Morgenstern, Norman
Stock material or miscellaneous articles
Surface property or characteristic of web, sheet or block
427302, 4273935, 4274123, 4274124, 4274125, 427415, 427444, 428421, 428518, 428532, B05D 102
Patent
active
046649786
ABSTRACT:
This invention relates to an improved process to produce composite polymeric materials and an article having an adherent surface layer. More specifically, the invention describes a process for producing a modifying adherent layer on a passive polymeric material, the layer comprising a fluorinated ester substituted alkoxy cellulose having, on the average, between about 1.0 to 2.99 of the three reactive hydroxyl groups of each glucose unit present as alkoxy groups, and the remainder of between about 0.01 to 2.00 of the reactive hydroxyl groups of each glucose unit present as a fluoroester group of the formula: ##STR1## wherein R.sub.f is branched perfluoroalkyl comprising 3 to 20 carbon atoms; or --(CF.sub.2).sub.n CF.sub.2 --Q, wherein Q is hydrogen or fluorine, n is an integer from 1 to 19; or ##STR2##
REFERENCES:
patent: 2974061 (1961-03-01), Duerr
patent: 3764370 (1972-10-01), Bragole
patent: 4136218 (1979-01-01), Nischwitz et al.
patent: 4144374 (1979-03-01), Lagou et al.
Voeks John F.
Wu Marinda L.
Bell Janyce A.
Morgenstern Norman
The Dow Chemical Company
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