C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/129, 117/195
C08G 18/38 (2006.01) C08G 18/48 (2006.01) C08G 18/50 (2006.01) C08G 18/80 (2006.01) C08L 75/04 (2006.01) D06M 15/576 (2006.01)
Patent
CA 1099444
1-10418/GC 768/+ Canada Fluorinated Polymer of Urethane-Urea-Ethyleneoxide Blocks as Soil Release Agents on Textiles ABSTRACT OF THE DISCLOSURE Fluorinated condensation polymers which are made up of a combination of Blocks I and II: Image Block I Image Block II In these structures Rf is a branched or linear perfluoroalkyl or perfluoroalkyloxy- alkyl group of 5 to 18 carbon atoms, R3 is an aliphatic triradical of 2 to 50 carbon atoms selected from the group consisting of branched or straight chain alkylene, alkylenethioalkylene, alkyleneoxyalkylene and alkyleneiminoalkylene, or said aliphatic triradical con- taining a carbonamido or sulphonamido group, R4 is hydrogen or methyl, D is the organic divalent radical of a diisocyanate, k is 8 to 100, m is an integer of 1 to 5, n is 1 or 2, and p is an integer of 1 to 5. - 2 - wherein Blocks I and II are combined in a ratio of at least about 15 % to 70 % by weight of Block I to 30 % to 85 % by weight of Block II. The blocks as defined are connected by urea linkages in the final product condensate. The polymer condensates of this invention are useful as coatings on textiles, glass, linoleum, leather, wood, tile, metals, plastics, and vaious materials. They are of particular use on textile materials as soil release agents, showing increased durability as compared to urethane-connected condensation block polymers.
275485
Falk Robert A.
Mueller Karl F.
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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