Stock material or miscellaneous articles – Composite – Of fluorinated addition polymer from unsaturated monomers
Patent
1994-11-17
1995-06-27
Lipman, Bernard
Stock material or miscellaneous articles
Composite
Of fluorinated addition polymer from unsaturated monomers
4284758, 4284763, 5253274, 5253591, 5253595, C08F 818
Patent
active
054278597
ABSTRACT:
Fluoroalkyl- snbstituted maleic anhydride polymers, substrates treated therewith, and to novel processes for preparing and using the same. The polymers can be prepared by reacting: (1) terminally unsaturated alkenylamines or alcohols (e.g. allyl amine or alcohol, or diatlyl amine)with maleic anhydride polymers, and (2) the resulting polymeric amides or esters with fluoroalkyl iodides in the presence of a free radical initiator. Dehydroiodination of the resulting product with base yields novel polymeric products which provide oil- and water-repellency as well as soil-resistance when applied to substrates particularly nylon fibers.
REFERENCES:
patent: 3876589 (1975-04-01), Wagley et al.
patent: 4255299 (1981-03-01), Daimon et al.
E. I. Du Pont de Nemours and Company
Lipman Bernard
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