Oil- and water-repellent copolymers

Oil- and water-repellent solid fluoropolymers are disclosed, comprising by weight: (a) 40-75% polymer chain units derived from a mixture of perfluoroalkylethylacrylate monomers of formula CF3CF2(CF2)kC2H4OC(O)CH=CH2, the monomer mixture consisting essentially of: (1) 0-10% monomer wherein k is 4 or...

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Bibliographic Details
Main Authors GREENWOOD; EDWARD J, RAO; NANDAKUMAR S, LORE; ALBERT L
Format Patent
LanguageEnglish
Published 03.05.1988
Edition4
Subjects
ADHESIVES
CHEMISTRY
COMPOSITIONS BASED THEREON
DYES
FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
LAUNDERING
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
ORGANIC MACROMOLECULAR COMPOUNDS
PAINTS
POLISHES
TEXTILES
THEIR PREPARATION OR CHEMICAL WORKING-UP
TREATMENT OF TEXTILES OR THE LIKE
TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS
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Summary:Oil- and water-repellent solid fluoropolymers are disclosed, comprising by weight: (a) 40-75% polymer chain units derived from a mixture of perfluoroalkylethylacrylate monomers of formula CF3CF2(CF2)kC2H4OC(O)CH=CH2, the monomer mixture consisting essentially of: (1) 0-10% monomer wherein k is 4 or less; (2) 45-75% monomer wherein k is 6; (3) 20-40% monomer wherein k is 8; (4) 1-20% monomer wherein k is 10; and (5) 0-5% monomer wherein k is 12; (b) 10-35% polymer chain units derived from vinylidene chloride; and (c) 10-25% polymer chain units derived from an alkyl acrylate or alkyl methacrylate having an alkyl chain length of 2-18 carbons.
Bibliography:Application Number: US19860905307