WO2010030041A1 - Fluorosilicones et agent de traitement de surface - Google Patents

Fluorosilicones et agent de traitement de surface Download PDF

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Publication number
WO2010030041A1
WO2010030041A1 PCT/JP2009/066316 JP2009066316W WO2010030041A1 WO 2010030041 A1 WO2010030041 A1 WO 2010030041A1 JP 2009066316 W JP2009066316 W JP 2009066316W WO 2010030041 A1 WO2010030041 A1 WO 2010030041A1
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WO
WIPO (PCT)
Prior art keywords
group
fluorine
monomer
atom
functional
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PCT/JP2009/066316
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English (en)
Inventor
Ikuo Yamamoto
Tetsuya Masutani
Takashi Enomoto
Masahiro Miyahara
Shinichi Minami
Peter Cheshire Hupfield
Avril E. Surgenor
Original Assignee
Daikin Industries, Ltd.
Dow Corning Corporation
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Application filed by Daikin Industries, Ltd., Dow Corning Corporation filed Critical Daikin Industries, Ltd.
Priority to CN2009801360656A priority Critical patent/CN102164976A/zh
Priority to JP2011511926A priority patent/JP5680529B2/ja
Publication of WO2010030041A1 publication Critical patent/WO2010030041A1/fr

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
    • D06M15/6436—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing amino groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
    • C08F283/12—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polysiloxanes
    • C08F283/122—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polysiloxanes on to saturated polysiloxanes containing hydrolysable groups, e.g. alkoxy-, thio-, hydroxy-
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
    • C08F283/12—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polysiloxanes
    • C08F283/124—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polysiloxanes on to polysiloxanes having carbon-to-carbon double bonds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
    • C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
    • C08F290/06—Polymers provided for in subclass C08G
    • C08F290/068—Polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L51/08—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds
    • C08L51/085—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds on to polysiloxanes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
    • D06M15/277—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof containing fluorine
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/356—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms
    • D06M15/3568—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms containing silicon

Definitions

  • This invention relates to a fluorosilicone reaction product of a functional organopolysiloxane and a fluorine-containing monomer, and methods of preparing the fluorosilicone.
  • the fluorosilicone products are suitable for application to substrates such as textiles, particularly fabrics, to impart oil repellent properties (oleophobicity) to the textile.
  • the fluorosilicone reaction product (that is, a fluorine- and silicon-containing polymer) is useful for a surface treatment agent (that is, a fluorine- and silicon-containing surface treatment agent) imparting excellent water repellency, oil repellency, soil resistance, and feeling to a substrate such as a textile.
  • Fluorocarbon polymers are extensively used in the textile industry to impart oleophobicity/oil repellency to a fabric.
  • finishing agents for textiles, leather, paper and mineral substrates which are aqueous dispersions of a copolymer of a perfluoroalkyl acrylate or methacrylate, an alkyl acrylate or methacrylate and an aminoalkyl acrylate or methacrylate.
  • US-A-5068295 describes a water and oil repellent comprising a copolymer of a perfluoroalkyl acrylate or methacrylate, a polyorganosiloxane containing a vinyl group and a vinyl monomer containing an isocyanate or blocked isocyanate group.
  • US-A-6582620 and US-A- 5883185 describe a treating composition for textiles to render them water and oil repellent obtained by cohydrolysis and condensation of (A) a fluorinated alkyl-bearing alkoxysilane, (B) an amino-bearing alkoxysilane, and (C) an alkoxysilyl-bearing polyorganosiloxane.
  • US-A-5536304 describes application of a blend of a succinic anhydride-terminated polydimethylsiloxane and a poly(fluoroalkyl methacrylate) to cotton to give a fabric with oil repellency.
  • US-A-6472019 describes treating a textile with a water- and oil-repellent agent comprising a fluorine-containing polymer and a sulphated fatty acid compound and WO 2004/069935 and WO 2004/069955 describe a fluorine containing polymer delivered as an aqueous dispersion for textile treatment.
  • An object of the present invention is to provide a water-and oil-repellent agent comprising a fluorine-containing acrylate polymer which imparts excellent water- and oil-repellency and soil resistance to a substrate, when the substrate is treated with the water- and oil-repellent agent.
  • the present inventors discovered that the above-mentioned object can be achieved by a polymer which is formed from a monomer comprising a fluorine-containing monomer and which is polymerized in the presence of a functional organopolysiloxane.
  • the present invention provides a fluorine-containing polymer comprising repeating units derived from a monomer comprising a fluorine-containing monomer, wherein the fluorine-containing polymer has a silicone moiety possessed by (or derived from) a functional organopolysiloxane.
  • the present invention also provides a method of producing a fluorine-containing polymer comprising repeating units derived from a monomer comprising a fluorine-containing monomer, wherein the method comprises polymerizing the monomer in the presence of a functional organopolysiloxane to give the fluorine-containing polymer.
  • This invention provides a fluorine-containing polymer comprising:
  • Z is a direct bond or a divalent organic group
  • Rf is a fluoroalkyl group having 8 to 12 carbon atoms
  • the present invention also provides a method of producing a fluorine-containing polymer comprising polymerizing: (A) a monomer which comprises;
  • Z is a direct bond or a divalent organic group, and Rf is a fluoroalkyl group having 8 to 12 carbon atoms, in the presence of;
  • the fluorine-containing polymer (that is, a fluorosilicone product) of the present invention is useful to provide oil repellent properties to a variety of surfaces.
  • the fluorosilicone of the present invention may also provide a softer hand or feel than conventional fluorocarbon based oil repellent treatments.
  • the water- and oil-repellent agent comprising the fluorine-containing acrylate polymer can impart the excellent water- and oil-repellency and soil resistance to the substrate.
  • the substrate is a textile
  • the treated textile has good feeling.
  • the monomer (A) forming the fluorine-containing polymer comprises:
  • the fluorine-containing polymer may be a homopolymer formed from one monomer or a copolymer formed from at least two monomers.
  • the homopolymer has the repeating units derived from the fluorine-containing monomer (a).
  • the copolymer may has the repeating units derived from at least two fluorine-containing monomers (a), or may have, in addition to the repeating units derived from the fluorine-containing monomer (a), the repeating units derived from the fluorine-free monomer (b) and optionally the crosslinkable monomer (c).
  • the fluorine-containing polymer can be prepared by polymerizing the monomer (A) in the presence of the functional organopolysiloxane (B).
  • the fluorine-containing polymer constituting the surface treatment agent of the present invention comprises: (a) the fluorine-containing monomer, and optionally (b) the fluorine-free monomer other than the crosslinkable monomer, and optionally (c) the crosslinkable monomer.
  • (A) Monomer (a) Fluorine-containing Monomer Component (a) of the present invention is a fluorine-containing monomer of the formula:
  • Z is a direct bond or a divalent organic group
  • Rf is a fluoroalkyl group having 8 to 12 carbon atoms.
  • Z may be for example a linear or branched alkylene group having 1 to 20 carbon atoms, for example a group of the formula -(CH 2 ) X - where x is 1 to 10, a group of the formula -SO 2 N (R X )R 2 - or of the formula -CONfR ⁇ R 2 -, where R 1 is an alkyl group having 1 to 10 carbon atoms and R 2 is a linear or branched alkylene group having 1 to 10 carbon atoms, or a group of the formula -CH 2 CH(OR 3 )CH2- where R 3 represents a hydrogen atom or an acyl group having 1 to 10 carbon atoms such as formyl or acetyl, or a group of the formula -Ar-CH 2 - where Ar is an arylene group optionally having a substituent, or a -(CH2)m-SO 2 -(CH 2
  • the fluorine-containing monomer (a) is preferably an acrylate ester of the formula:
  • X is a hydrogen atom, a linear or branched alkyl group having 1 to 21 carbon atoms, a fluorine atom, a chlorine atom, a bromine atom, a iodine atom, a CFX 1 X 2 group (wherein X 1 and X 2 is a hydrogen atom a fluorine atom, a chlorine atom, a bromine atom or a iodine atom), a cyano group, a linear or branched fluoroalkyl group having 1 to 21 carbon atoms, a substituted or unsubstituted benzyl group, or a substituted or unsubstituted phenyl group; Y is -O- or -NH-;
  • Z is a direct bond, an aliphatic group having 1 to 10 carbon atoms, an aromatic or cycloaliphatic group having 6 to 18 carbon atoms, a -CH 2 CH 2 N(R 1 )S ⁇ 2- group
  • R 1 is an alkyl group having 1 to 4 carbon atoms
  • a -CH 2 CH(OZ 1 ) CH 2 - group wherein Z 1 is a hydrogen atom or an acetyl group.
  • Z 1 is a hydrogen atom or an acetyl group.
  • a -(CH2) m -SO 2 -(CH2) n - group or a -(CH 2 ) m -S-(CH2)n- group (wherein m is from 1 to 10 and n is from 0 to 10.
  • Rf is a linear or branched fluoroalkyl group having 8 to 12 carbon atoms.
  • X may be a linear or branched alkyl group having 2 to 21 carbon atoms, a fluorine atom, a chlorine atom, a bromine atom, a iodine atom, a CFX 1 X 2 group (wherein X 1 and X 2 is a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom or a iodine atom.), a cyano group, a linear or branched fluoroalkyl group having 1 to 21 carbon atoms, a substituted or unsubstituted benzyl group, or a substituted or unsubstituted phenyl group.
  • the Rf group is preferably a perfluoroalkyl group.
  • the carbon number of the Rf group is from 8 to 12, for example, from 8 to 10, particularly 8 or 10.
  • Z is preferably an aliphatic group having 1 to 10 carbon atoms, an aromatic group or cycloaliphatic group having 6 to 18 carbon atoms, a -CH 2 CH2N(R 1 )SO 2 - group (R 1 is an alkyl group having 1 to 4 carbon atoms.), a -CH 2 CH(O Y ⁇ CH 2 - group (Y 1 is a hydrogen atom or an acetyl group.), a -(CH 2 ) m -SO 2 -(CH 2 ) n - group, or a -(CH 2 )H 1 -S-(CH 2 )Ii- group (wherein m is from 1 to 10 and n is from 0 to 10.).
  • the aliphatic group is preferably an alkylene group (particularly the carbon number is from 1 to 4, for example, 1 or 2.).
  • the aromatic group and cycloaliphatic group may be substituted or unsubstituted.
  • the S or SO 2 - group may be directly bonded to the Rf group.
  • the fluorine-containing polymer may have the repeating units derived from the fluorine-free monomer (b).
  • the fluorine-free monomer (b) is other than the crosslinkable monomer (c).
  • the monomer (b) is preferably a fluorine-free monomer having a carbon-carbon double bond.
  • the monomer (b) is preferably a vinyl monomer which is free from fluorine.
  • the fluorine-free monomer (b) is generally a compound having one carbon-carbon double bond.
  • fluorine-free monomer (b) examples include, for example, ethylene, vinyl acetate, vinyl halide such as vinyl chloride, vinylidene halide such as vinylidene chloride, acrylonitrile, styrene, polyethyleneglycol (meth)acrylate, polypropyleneglycol (meth)acrylate, methoxypolyethyleneglycol (meth)acrylate, methoxypolypropyleneglycol (meth)acrylate, and vinyl alkyl ether.
  • the fluorine-free monomer (b) is not limited to these examples.
  • the fluorine-free monomer (b) may contain vinyl halide and/or vinylidene halide.
  • the fluorine-free monomer (b) may be a (meth)acrylate ester having an alkyl group.
  • the number of carbon atoms of the alkyl group may be from 1 to 30, for example, from 6 to 30, e.g., from 10 to 30.
  • a 1 is a hydrogen atom, a methyl group, or a halogen atom (for example, a chlorine atom, a bromine atom and a iodine atom) other than a fluorine atom
  • the fluorine-containing polymer may contain the repeating units derived from the crosslinkable monomer (c).
  • the crosslinkable monomer (c) may be a fluorine-free vinyl monomer having at least two reactive groups and/or carbon-carbon double bonds.
  • the crosslinkable monomer (c) may be a compound having at least two carbon-carbon double bonds, or a compound having at least one carbon-carbon double bond and at least one reactive group. Examples of the reactive group include a hydroxyl group, an epoxy group, a chloromethyl group, a blocked isocyanate group, an amino group and a carboxyl group.
  • crosslinkable monomer (c) examples include diacetoneacrylamide, (meth)acrylamide, N-methylolacrylamide, hydroxymethyl (meth)acrylate, hydroxyethyl (meth)acrylate, 3-chloro-2-hydroxypropyl (meth)acrylate, N,N-dimethylaminoethyl
  • (meth)acrylate N,N-diethylamino ethyl (meth)acrylate, butadiene, isoprene, chloroprene, glycerol (meth)acrylate and glycidyl (meth)acrylate, to which the crosslinkable monomer is not limited.
  • the copolymerization with the monomer (b) and/or the monomer (c) can optionally improve various properties such as water repellency and soil resistance; cleaning durability and washing durability of said repellency and resistance; solubility in solvent; hardness; and feeling.
  • the amount of the fluorine-free monomer (b) may be from 0.1 to 100 parts by weight, for example, from 0.1 to 50 parts by weight, and the amount of the crosslinkable monomer (c) may be at most 50 parts by weight, for example, at most 20 parts by weight, particularly, from 0.1 to 15 parts by weight, based on 100 parts by weight of the fluorine-containing monomer (a).
  • the monomer (A) can be polymerized in the presence of the organopolysiloxane (B).
  • organopolysiloxane (B) examples include alkyl acrylate or methacrylate esters having 1 to
  • the alkyl acrylate or methacrylate can be used to adjust the glass transition temperature (Tg) of the resulting polymeric product resulting from the reaction of the monomer (A) and the organopolysiloxane (B); for example an acrylate having a long chain alkyl group of 4-20, particularly 8-20 carbon atoms such as stearyl acrylate or methacrylate, octyl acrylate, 2-ethylhexyl acrylate or dodecyl acrylate or methacrylate can be used to form a softer polymer of lower Tg.
  • Tg glass transition temperature
  • Copolymers with an alkyl acrylate or methacrylate monomer may improve various properties such as water- and oil- repellency and soil releasability, cleaning durability, washing durability and abrasion resistance of such repellency and releasability, solubility in solvent, hardness and feel (handle).
  • Other acrylate or methacrylate comonomers which can be used include polyethylene glycol acrylate or methacrylate, polypropylene glycol acrylate or methacrylate, methoxypolyethylene glycol acrylate or methacrylate and methoxypolypropylene glycol acrylate or methacrylate.
  • olefinically unsaturated comonomers which can be used include vinyl chloride, vinylidene chloride, styrene, acrylonitrile, methacrylonitrile, ethylene, a vinyl alkyl ether, isoprene or a vinyl ester such as vinyl acetate or vinyl propionate.
  • the olefinically unsaturated comonomer can be used which contains a functional group that, although not reactive with amine groups, may be reactive with other functional groups to give properties such as increased substantivity on textiles and other substrates.
  • Examples of such functional groups are hydroxyl, amino and amide, and examples of olefinically unsaturated comonomers containing them are acrylamide, methacrylamide, N-methylolacrylamide, hydroxyethyl methacrylate, hydroxyethyl acrylate, 3-chloro-2-hydroxypropyl acrylate or methacrylate, N, N-dimethylaminoethyl acrylate or methacrylate and diethylaminoethyl acrylate or methacrylate.
  • the functional organopolysiloxane is a mercapto-functional organopolysiloxane, a vinyl-functional organopolysiloxane, a (meth)acrylamide-functional organopolysiloxane, a (meth)acrylate-functional siloxane or a mixture thereof.
  • the functional organopolysiloxane (B) functions as a chain transfer agent. By a polymerization reaction, the functional organopolysiloxane (B) bonds to the fluorine-containing polymer through the functional oragnic group.
  • Component (B) of the present invention may be a mercapto-functional organopolysiloxane, that is, an organopolysiloxane having a mercapto-functional organic group present in the molecule.
  • a "mercapto-functional organic group” is any organic group containing a sulfur atom, such as -(CH 2 ) n -SH (n is the number of 0 to 10, particularly 1 to 5).
  • the mercapto group-containing silicone (B) (that is, the mercapto-functional organopolysiloxane (B)) is a siloxane compound which has at least one (for example, 1 to 500, particularly 1 to 50, especially 2 to 40) mercapto group and a silicone moiety having two or more siloxane linkages.
  • Component (B) of the present invention may be a vinyl-functional organopolysiloxane, that is, an organopolysiloxane having a vinyl-functional organic group present in the molecule.
  • the vinyl group-containing silicone (B) (that is, the vinyl-functional organopolysiloxane (B)) is a siloxane compound which has at least one (for example, 1 to 500, particularly 1 to 50, especially 2 to 40) vinyl group and a silicone moiety having two or more siloxane linkages.
  • Component (B) of the present invention may be a (meth)acrylamide-functional organopolysiloxane, that is, an organopolysiloxane having a (meth)acrylamide-functional organic group present in the molecule.
  • the term "(meth)acrylamide” means acrylamide or methacrylamide.
  • the (meth)acrylamide group-containing silicone (B) that is, the
  • (meth)acrylamide-functional organopolysiloxane (B)) is a siloxane compound which has at least one (for example, 1 to 500, particularly 1 to 50, especially 2 to 40) (meth)acrylamide group and a silicone moiety having two or more siloxane linkages.
  • Component (B) of the present invention may be a (meth)acrylate-functional organopolysiloxane, that is, an organopolysiloxane having a (meth)acrylate-functional organic group present in the molecule.
  • the term "(meth)acrylate” means acrylate or methacrylate.
  • (meth)acrylate group-containing silicone (B) (that is, the (meth)acrylate-functional organopolysiloxane (B)) is a siloxane compound which has at least one (for example, 1 to 500, particularly 1 to 50, especially 2 to 40) (meth)acrylate group and a silicone moiety having two or more siloxane linkages.
  • Organopolysiloxanes are well known in the art and are often designated by the general formula R n Si0( 4-n y 2; where the organopolysiloxanes may comprise any number of "M" (mono functional) siloxy units (R 3 SiO 0 . 5 ), "D" (difunctional) siloxy units (R 2 SiO), “T' (trifunctional) siloxy units (RSiO 1- S), or "Q" siloxy units (SiO 2 ) where R is independently a monovalent organic group. These siloxy units can be combined in various manners to form cyclic, linear, or branched structures. The chemical and physical properties of the resulting polymeric structures can vary.
  • organopolysiloxanes can be volatile or low viscosity fluids, high viscosity fluids/gums, elastomers or rubbers, and resins.
  • R is independently a monovalent organic group, alternatively R is a hydrocarbon group containing 1 to 30 carbons, alternatively R is an alkyl group containing 1 to 30 carbon atoms, or alternatively R is methyl.
  • the organopolysiloxanes useful as component (B) in the present invention are characterized by having at least one of the R groups in the formula R n Si0( 4 . n y 2 be a mercapto, vinyl, (meth)acrylamide or meth(acrylate) group, or alternatively at least one of the R groups be a mercapto, vinyl, (meth)acrylamide or meth(acrylate) group and one of the R groups be an organofunctional group, or alternatively one of the R groups be an organofunctional group also containing a mercapto, vinyl, (meth)acrylamide or meth(acrylate) group.
  • the organofunctional group and mercapto, vinyl, (meth)acrylamide or meth(acrylate)-functional group may be present on any siloxy unit having an R substituent, that is, they may be present on any M, D, or T unit.
  • the organofunctional groups and mercapto, vinyl, (meth)acrylamide or meth(acrylate) groups are present as a R substituent on a D siloxy unit.
  • organofunctional group means an organic group containing any number of carbon atoms, but the group contains at least one atom other than carbon and hydrogen.
  • organofunctional groups include, amines, amides, sulfonamides, quaternaries, ethers, epoxy, phenols, esters, carboxyls, ketones, halogen substituted alkyls and aryls group, to name a few.
  • the organofunctional group is an amino-functional organic group.
  • the amino-functional organic group is designated in the formulas herein as R N and is illustrated by groups having the formula: -R 1 NHR 2 , -R 1 NR 2 2 , or -R 1 NHR 1 NHR 2 , wherein each R 1 is independently a divalent hydrocarbon group having at least 2 carbon atoms, and R 2 is hydrogen or an alkyl group which may have 1 to 10 carbon atoms.
  • Each R 1 is typically an alkylene group having from 2 to 20 carbon atoms.
  • R 1 is illustrated by groups such as; -CH2CH2-, -CH2CH2CH2-, -CH2CHCH3-,
  • R 2 is an alkyl group, it is typically methyl.
  • Suitable amino-functional hydrocarbon groups are;
  • the amino-functional group is -CH 2 CH 2 CH 2 NH 2
  • the mercapto-functional organic group is designated in the formulas herein as
  • R s and is illustrated by groups having the formula: -R* SR ⁇ 3 wherein each R ⁇ and R ⁇ is as defined above.
  • the mercapto-functional group is illustrated by the following formulae; -CH 2 CH 2 CH 2 SH, -CH 2 CHCH 3 SH, -CH 2 CH 2 CH 2 CH 2 SH,
  • mercapto-functional group is -CH 2 CH 2 CH 2 SH.
  • the vinyl-functional organic group is designated in the formulas herein as R v .
  • the vinyl-functional organic group is illustrated by the following formulae;
  • the (meth)acrylamide-functional organic group is designated in the formulas herein as group (wherein R ⁇ is a divalent hydrocarbon group having at least 2 carbon atoms, and Q is a hydrogen atom or a methyl group).
  • R ⁇ is a divalent hydrocarbon group having at least 2 carbon atoms
  • Q is a hydrogen atom or a methyl group.
  • R* is a divalent hydrocarbon group having at least 2 carbon atoms, and Q is a hydrogen atom or a methyl group.
  • the functional organopolysiloxane (designated B') comprises siloxy units having the average formula:
  • R 2 SiO a (RR N SiO)b(RR FO SiO)c
  • a is 0-4000, alternatively 1 to 1000, alternatively 2 to 400
  • b is 0-1000, alternatively 1 to 100, alternatively 2 to 50
  • c is 1- 1000, alternatively 2 to 100, alternatively 3 to 50
  • R is independently a monovalent organic group, alternatively R is a hydrocarbon containing 1- 30 carbon atoms, alternatively R is a monovalent alkyl group containing 1 - 12 carbons, or alternatively R is a methyl group;
  • R N is a monovalent amino-functional organic group as defined above
  • R FO each is a monovalent mercapto-functional organic group (R s ), a monovalent vinyl-functional organic group (R v ), a monovalent (meth)acrylamide-functional organic group (R ⁇ ) or a monovalent (meth)acrylate-functional organic group (R MA ), as defined above.
  • the R N group may be R F wherein R F may be a monovalent organofunctional organic group as defined above, such as hydroxyls, amines, amides, sulfonamides, quaternaries, ethers, epoxy, phenols, esters, carboxyls, ketones, halogen-substituted alkyls and aryls group.
  • the functional organopolysiloxane may comprise siloxy units having the average formula: (R 2 SiO)a(RR F SiO)b(RR FO SiO) c wherein the groups and subscripts (that is, a, b and c) are the same define above.
  • the R FO group is a monovalent mercapto-functional organic group (R s ), a monovalent vinyl-functional organic group (R v ), a monovalent (meth)acrylamide-functional organic group (R ⁇ ) or a monovalent (meth)acrylate-functional organic group (R M ⁇ ).
  • Organopolysiloxane (B') may be terminated with a hydrogen atom (resulting in a silanol group on the terminal siloxy unit of the terpolymer), or with an alkyl group containing 1 - 30 carbon atoms (resulting in an alkoxy group on the terminal siloxy unit of the terpolymer).
  • the alkyl group can be a linear or branched alkyl, containing 1 - 30 carbons, alternatively the alkyl group can be a long chain alkyl group of 4-20, alternatively 8-20 carbon atoms such as stearyl.
  • the organopolysiloxane can be terminated with a trimethylsilyl group.
  • the organopolysiloxane (B') of this preferable embodiment can be represented by the following average formula for example; (CH 2 ) 3 SH
  • a is 0-4000, alternatively 1 to 1000, alternatively 2 to 400, b is 0-1000, alternatively 1 to 100, alternatively 2 to 50, c is 1- 1000, alternatively 2 to 100, alternatively 3 to 50; and R' is H, an alkyl group having 1 to 40 carbon atoms, OrMe 3 Si.
  • the amino-mercapto-functional organopolysiloxane terpolymers of this preferable embodiment (B') can be prepared by any technique known in the art for preparation of organopolysiloxane terpolymers containing amino and/or mercapto-functional groups.
  • the organopolysiloxanes (B ') are prepared via a condensation polymerization reaction of an amino-functional alkoxy silane, a mercapto-functional silane monomer, and organopolysiloxane having alkoxy or silanol termination as illustrated by the following general reaction scheme.
  • Condensation organopolysiloxanes are well known in the art and are typically catalyzed by the addition of a strong base, such as an alkaline metal hydroxide or a tin compound. Alternatively co-polymerization of the functionalized cyclosiloxanes could be used.
  • the vinyl group-containing silicone (B) is of, for example, the formula:
  • R 1 is a methyl group, a methoxy group, a phenyl group, or a hydroxyl group
  • R 2 is a methyl group, a methoxy group, a phenyl group, or a hydroxyl group
  • R 3 is a methyl group, a methoxy group, a phenyl group, or a hydroxyl group
  • R 1 is a hydrogen atom, an alkyl group having 1 to 40 carbon atoms, or Me 3 Si, or H B is a divalent saturated hydrocarbon group having 1-10 carbon atoms which may be interrupted with one or two ether linkages,
  • C is hydroxyls, amines, amides, sulfonamides, quaternaries, ethers, epoxy, phenols, esters, carboxyls, ketones, halogen-substituted alkyls or aryls group
  • a, b, and c are integers showing the number of repeat units, a is from 1 to 4000, for example, 2 to 2000, b is from 0 to 1000, preferably from 1 to 800 ,and c is from 0 to
  • vinyl group-containing silicone (B) is as follows. R 1 R 2 R 3
  • the functional group C is particularly preferably an amino group (that is, the vinyl group-containing silicone (B) is a vinylamino silicone).
  • the amino group has the effect of remarkably improving the affinity with other materials constituting the cosmetic and with a human body skin.
  • the organopolysiloxane (B') of the above-mentioned preferable embodiment can be represented by the following average formula for example;
  • a is 0-4000, alternatively 1 to 1000, alternatively 2 to 400, b is 0-1000, alternatively 1 to 100, alternatively 2 to 50, c is 1- 1000, alternatively 2 to 100, alternatively 3 to 50; and R' is H, an alkyl group having 1 to 40 carbon atoms, or Me 3 Si.
  • the vinylamino functional organopolysiloxane terpolymers of this preferable embodiment (B') can be prepared by any technique known in the art for preparation of organopolysiloxane terpolymers containing amino and/or vinyl functional groups.
  • the organopolysiloxanes (B') are prepared via an equilibration polymerization reaction of an amino functional alkoxy silane, 2,4,6,8-tetramethyl-2.,4,6,8-tetravinylcyclotetrasiloxane, octamethylcyclotetrasiloxane in the presence of an end-blocking agent such as hexamethydisiloxane for example, as illustrated by the following general reaction scheme.
  • Equilibration prepared organopolysiloxanes are well known in the art and are typically catalyzed by the addition of a strong acid or base, such as an alkaline metal hydroxide or a sulphonic acid. Alternatively co-polymerization of the functionalized alkoxysilanes and silanol terminated polydimethylsiloxanes could be used.
  • the (meth)acrylamide-functional organopolysiloxane can be prepared by reacting the amino-functional organopolysiloxane with (meth)acrylic anhydride.
  • the (meth)acrylate-functional organopolysiloxane can be prepared by reacting a carbinol-functional organopolysiloxane with (meth)acrylic anhydride.
  • the fluorine-containing polymer may have a weight-average molecular weight of 2,000 to 5,000,000, particularly 3,000 to 5,000,000, especially 10,000 to 1,000,000.
  • the weight-average molecular weight (in terms of polystyrene) of the fluorine-containing polymer can be determined by GPC (Gel Permeation Chromatography) .
  • the repeating units may not be positioned as shown in the chemical formulas, and the fluorine-containing polymer may be a random polymer or block copolymer.
  • the fluorine-containing polymer of the present invention can be produced by bulk polymerization, solution polymerization and emulsion polymerization.
  • a method is adopted in which a mixture of the monomers and the functional organopolysiloxane is purged by nitrogen, a polymerization initiator is then added, and the mixture is stirred in the range of from 30 to 80°C for several (2 to 15) hours to be polymerized.
  • the polymerization initiator include azobisisobutyronitrile, benzoyl peroxide, di-tert-butyl peroxide, lauryl peroxide, cumene hydroperoxide, t-butyl peroxypivalate and diisopropyl peroxydicarbonate.
  • the polymerization initiator may be used in the amount within the range from 0.01 to 20 parts by weight, for example, from 0.01 to 10 parts by weight, based on 100 parts by weight of the monomers.
  • the mixture of the monomers and the functional organopolysiloxane is dissolved in a suitable organic solvent in which these can dissolve and to which these are inert, and then polymerized in the same manner as described earlier.
  • a suitable organic solvent include a hydrocarbon-based solvent, an ester-based solvent, a ketone-based solvent, an alcohol-based solvent, a silicone-based solvent, and a fluorine-containing solvent.
  • the organic solvent is inert to the monomer and dissolves the monomer, and examples thereof include acetone, chloroform, HCHC225, isopropyl alcohol, pentane, hexane, heptane, octane, cyclohexane, benzene, toluene, xylene, petroleum ether, tetrahydrofuran, 1,4-dioxane, methyl ethyl ketone, methyl isobutyl ketone, ethyl acetate, butyl acetate, 1,1,2,2-tetrachloroethane, 1,1,1-trichloroethane, trichloroethylene, perchloroethylene, tetrachlorodifluoroethane and trichlorotrifluoroethane.
  • the organic solvent may be used in the amount within the range from 50 to 2,000 parts by weight, for example, from 50 to 1,000 parts by weight,
  • solution polymerization there can be used a method of dissolving the monomer(s) into an organic solvent in the presence of a polymerization initiator, replacing the atmosphere by nitrogen, and stirring the mixture with heating, for example, at the temperature within the range from 30 degrees C to 120 degrees C for 1 hour to 10 hours.
  • the polymerization is carried out in the same manner as described above after emulsifying a mixture of the monomers and the functional organopolysiloxane in water using a proper emulsifier.
  • a proper auxiliary solvent such as glycols and alcohols and/or a low molecular weight monomer is added to improve the compatibility of the mixture is adopted.
  • a hydrophobic group in the emulsifier to be used in the emulsion polymerization may be any of hydrocarbon type, silicon-containing type and fluorine-containing type.
  • the ionicity of a hydrophilic group any of nonionic one, anionic one, cationic one and amphoteric one may be used.
  • the polymerization initiator for emulsion polymerization for example, water-soluble initiators (e.g., benzoyl peroxide, lauroyl peroxide, t-butyl perbenzoate, 1 -hydroxy cyclohexyl hydroperoxide, 3-carboxypropionyl peroxide, acetyl peroxide, azobisisobutylamidine dihydrochloride, azobisisobutyronitrile, sodium peroxide, potassium persulfate and ammonium persulfate) and oil-soluble initiators (e.g., azobisisobutyronitrile, benzoyl peroxide, di-tert-butyl peroxide, lauryl peroxide, cumene hydroperoxide, t-butyl peroxypivalate and diisopropyl peroxydicarbonate) are used.
  • the polymerization initiator may be used in the amount within the range from 0.01 to 10 parts by weight based on
  • emulsion polymerization there can be used a method of emulsifying monomers in water in the presence of a polymerization initiator and an emulsifying agent, replacing the atmosphere by nitrogen, and polymerizing with stirring, for example, at the temperature within the range from 30 degrees C to 120 degrees C, for example, from 50 degrees C to 80 degrees C, for 1 hour to 10 hours.
  • a compatibilizing agent capable of sufficiently compatibilizing them e.g., a water-soluble organic solvent and a low-molecular weight monomer
  • the emulsifiability and polymerizability can be improved.
  • water-soluble organic solvent examples include acetone, methyl ethyl ketone, ethyl acetate, propylene glycol, dipropylene glycol monomethyl ether, dipropylene glycol, tripropylene glycol and ethanol.
  • the water-soluble organic solvent may be used in the amount within the range from 1 to 50 parts by weight, e.g., from 10 to 40 parts by weight, based on 100 parts by weight of water.
  • Examples of the low-molecular weight monomer are methyl methacrylate, glycidyl methacrylate, 2,2,2-trifluoroethyl methacrylate.
  • the low-molecular weight monomer may be used in the amount within the range from 1 to 50 parts by weight, e.g., from 10 to 40 parts by weight, based on 100 parts by weight of total of monomers.
  • various emulsifying agents such as an anionic emulsifying agent, a cationic emulsifying agent and a nonionic emulsifying agent can be used in the amount within the range from 0.5 to 20 parts by weight based on 100 parts by weight of the monomers.
  • the emulsifying agent used in the emulsion polymerization may have a hydrophobic group which may be a hydrocarbon, a silicone or a fluorine-containing compound, and hydrophilic group which may be nonionic, anionic, cationic or amphoteric.
  • a combination of the anionic emulsifying agent and the nonionic emulsifying agent is preferable in order to obtain both the stability of the emulsion and safety to skin.
  • the amount of the anionic emulsifying agent is from 5 to
  • the anionic emulsifying agent is polyoxyethylene alkyl (preferably C 1 to C 3 o alkyl) ether sulfate salt
  • the nonionic emulsifying agent is fatty acid sorbitan ester, polyoxyethylene fatty acid sorbitan ester, polyoxyethylene hardened castor oil and/or polyoxyethylene fatty acid sorbit ester.
  • the mixture of the monomers and the functional organopolysiloxane is dispersed in water by using an emulsifying device capable of applying a strong shearing energy (e.g., a high-pressure homogenizer and an ultrasonic homogenizer) to prepare the fine particles of the mixture, and then the polymerization is conducted.
  • a strong shearing energy e.g., a high-pressure homogenizer and an ultrasonic homogenizer
  • the fluorosilicone reaction product of the monomer (A) and the organopolysiloxane (B) may be prepared by any reaction process known in the art to effect polymerisation of such monomers.
  • Z is a direct bond or a divalent organic group
  • Rf is a fluoroalkyl group having 8 to 12 carbon atoms, in the presence of
  • Components (A) and (B) in the process are the same as described above.
  • the process may also be conducted in the presence of a polar organic solvent.
  • the polar organic solvent can be one or more alcohol, ketone or ester solvents selected from butanol, t-butanol, isopropanol, butoxyethanol, methyl isobutyl ketone, methyl ethyl ketone, butyl acetate or ethyl acetate and/or an aromatic hydrocarbon such as xylene, toluene or trimethylbenzene a blend of one or more of these.
  • the initiator for the free radical polymerisation reaction can be any compound known in the art for initiating free radical reactions, such as organic peroxides or azo compounds.
  • organic peroxides or azo compounds Representative, non-limiting examples are; azo compounds such as azobisisobutyronitrile or azobisisovaleronitrile (AIVN), peroxides such as benzoyl peroxide.
  • azo compounds such as azobisisobutyronitrile or azobisisovaleronitrile (AIVN), peroxides such as benzoyl peroxide.
  • the polymerisation temperature typically ranges 50-120°C.
  • the polymeric reaction product can be obtained using the technique of emulsion polymerisation, where all the components are polymerised in the presence of water, surfactants and polymerisation initiator.
  • the fluorosilicone reaction product can contain various ratios of the monomer
  • the fluorosilicone may contain 5 to 99.9% by weight, preferably 10 to
  • a fluorosilicone product having a high proportion of organopolysiloxane may provide greater substantivity to fibrous substrates or softness of handle of the treated material.
  • a polymeric product having a high proportion of fluorine-containing monomer may provide maximum hydrophobicity and oleophobicity.
  • the fluorosilicone reaction product is generally obtained as a solution. It can be isolated by evaporation of the solvent. For application as an oil repellent, the fluorosilicone reaction product is generally required in liquid form and the solution obtained by reaction can often be diluted to a solution suitable for application to textiles. Alternatively the fluorosilicone reaction product can be dissolved in a different solvent for application to textiles, for example in a polar organic solvent of higher boiling point.
  • the fluorosilicone reaction product can alternatively be emulsified by mixing with water and an emulsifying agent, such as a cationic surfactant and/or a nonionic or anionic surfactant.
  • the fluorosilicone reaction product can be isolated before emulsif ⁇ cation or the polymerisation product solution can be emulsified, optionally with removal of solvent. If the polymeric product is obtained by emulsion polymerisation, the emulsion is generally used, diluted as required, without isolating the polymeric product.
  • the solution or emulsion of fluorosilicone reaction product can be applied to fibrous substrates such as textiles by any of the methods known for treatment of textiles with liquids.
  • concentration of the fluorosilicone reaction product in the solution applied to the textile can for example be 0.5 to 20% by weight, alternatively 1 to 5%.
  • the textile is a fabric
  • the fabric can be immersed in the solution or can be padded or sprayed with the solution.
  • the treated textile is dried and is preferably heated, for example at 100-200°C, to develop the oil repellency.
  • the fluorosilicone reaction product can be applied to a textile via a cleaning process, such as in a laundry application or dry cleaning process.
  • the textile which is treated is typically a fabric, including woven, knitted and nonwoven fabrics, fabrics in garment form and carpet, but may also be a fibre or yarn or intermediate textile product such as a sliver or roving.
  • the textile material can be a natural fibre such as cotton or wool, a manmade fibre such as viscose rayon or lyocell or a synthetic fibre such as polyester, polyamide or acrylic fibre, or can be a mixture of fibres such as a mixture of natural and synthetic fibres.
  • the polymeric product of the invention is particularly effective in rendering cellulosic fibres such as cotton or rayon oleophobic and oil repellent.
  • the process of the invention generally also renders the textile hydrophobic and water repellent.
  • Fabric treatment with the polymeric product of the invention imparts oil repellency to fabrics whilst at the same time imparting an improvement in feel compared to untreated fabric and also imparting an improvement in feel compared to fabric treated with known fluoropolymer textile treatment agents.
  • the fibrous substrate can alternatively be leather.
  • the polymeric product can be applied to leather from aqueous solution or emulsion at various stages of leather processing, for example during leather wet end processing or during leather finishing, to render the leather hydrophobic and oleophobic.
  • the fibrous substrate can alternatively be paper.
  • the polymeric product can be applied to preformed paper or at various stages of papermaking, for example during drying of the paper.
  • the surface treatment agent of the present invention is preferably in the form of a solution, an emulsion or an aerosol.
  • the surface treatment agent generally comprises the fluorine-containing polymer and a medium (particularly a liquid medium, for example, an organic solvent and/or water).
  • the concentration of the fluorine-containing polymer in the surface treatment agent may be, for example, from
  • the surface treatment agent can be applied to a substrate to be treated by a know procedure.
  • the application of the surface treatment agent can be conducted by immersion, spraying and coating.
  • the surface treatment agent is diluted with an organic solvent or water, is adhered to surfaces of the substrate by a well-known procedure such as an immersion coating, a spray coating and a foam coating, and is dried.
  • the treatment liquid is applied together with a suitable crosslinking agent, followed by curing.
  • mothproofing agents, softeners, antimicrobial agents, flame retardants, antistatic agents, paint fixing agents, crease-proofing agents, etc. to the surface treatment agent.
  • the concentration of the fluorine-containing compound in the treatment liquid contacted with the substrate may be from 0.01 to 10% by weight (particularly for immersion coating), for example, from 0.05 to 10% by weight (particularly for spray coating), based on the treatment liquid.
  • the substrate to be treated with the surface treatment agent (for example, a water- and oil-repellent agent) of the present invention is preferably a textile.
  • the textile includes various examples.
  • the textile include animal- or vegetable-origin natural fibers such as cotton, hemp, wool and silk; synthetic fibers such as polyamide, polyester, polyvinyl alcohol, polyacrylonitrile, polyvinyl chloride and polypropylene; semisynthetic fibers such as rayon and acetate; inorganic fibers such as glass fiber, carbon fiber and asbestos fiber; and a mixture of these fibers.
  • the textile may be in any form such as a fiber, a yarn and a fabric.
  • treatment means that the treatment agent is applied to the substrate by immersion, spray, coating or the like.
  • the fluorine-containing polymer which is an active component of the treatment agent can penetrate the internal of the substrate or can adhere on the surface of the substrate by the treatment.
  • shower water repellency test was conducted according to JlS-L- 1092.
  • the shower water repellency was expressed by water repellency No. (as shown in the below-described Table 1).
  • a glass funnel which has a volume of at least 250 ml and a spray nozzle which can spray 250 ml of water for 20-30 seconds are used.
  • a test piece frame is a metal frame having a diameter of 15 cm. Three sheets of a test piece having a size of about 20cm x 20cm are prepared and the sheet is mounted on a test piece holding frame so that the sheet has no wrinkle. The center of the spray was located on the center of the sheet. Room temperature water (250 mL) is charged into the glass funnel and sprayed on the test piece sheet (for time of 25-30 seconds). The holding frame is removed from a stand, one edge of the holding frame is grasped so that a front surface is downside and the other edge is lightly hit with a stiff substance.
  • the holding frame is further rotated 180° and the same procedure is repeated to drop excess water droplets.
  • the wet test piece is compared with a wet comparison standard to grade 0, 50, 70, 80, 90 and 100 points in order of poor water-repellency to excellent water repellency. The results are obtained from an average of thee measurements.
  • a treated fabric is stored in a thermo-hygrostat having a temperature of 21 0 C and a humidity of 65% for at least 4 hours.
  • a test liquid (shown in Table 3) which has been also stored at 21 0 C is used. The test is conducted in an air-conditioned room having a temperature of 21°C and a humidity of 65%. Five droplets of the test liquid wherein one droplet has an amount of 50 ⁇ L are softly dropped by a micropipette on the fabric. If 4 or 5 droplets remain on the fabric after standing for 30 seconds, the test liquid passes the test.
  • the oil-repellency is expressed by a maximum point of the test liquid which passes the test.
  • the oil-repellency is evaluated as nine levels which are Fail, 1, 2, 3, 4, 5, 6, 7 and 8 in order of a bad level to an excellent level.
  • Washing durability of water- and oil-repellency Washing is conducted repeatedly ten times or twenty times or thirty times according to JIS L-0217-103 method, and then water- and oil-repellency is evaluated (HLlO or HL20 or HL30). HLO means that the evaluation is made after no washing. Feeling
  • the feeling of a treated fabric is evaluated before washing.
  • the feeling is determined by hand touch according to the following criteria. Excellent: Remarkably softer than untreated fabric
  • first silanol-terminated polydimethylsiloxane 323 g, Mn: about 900
  • second silanol-terminated polydimethylsiloxane 380 g, Mn: about 300
  • mercaptopropylmethyldimethoxysilane 230 g
  • aminopropylmethyldiethoxysilane 27 g
  • trimethylethoxysilane 42 g
  • barium hydroxide (0.62 g)
  • sodium orthophosphate (0.25 g
  • VCM vinyl chloride
  • 2,2'-azobis(2-amidinopropane) dihydrochloride 3.6 g was added and the reaction was conducted at 6O 0 C for 5 hours to give an aqueous dispersion of a polymer having the following formula:
  • R v C8F17CH2CH2-, C10F21CH2CH2-, C18H37 wherein x, y and z are such numbers that the molar ratio of units is 3:22:70, and (a + b), c and d are such numbers that weight ratio of (17FA+2 IFA): VCM: StA is 66:25:9.
  • the repeating units derived from N-methylol acrylamide and 3-chloro-2-hydroxypropyl methacrylate are omitted, since the amounts of N-methylol acrylamide (2 % by weight based on total repeating units of 17FA, 21FA, VCM, StA,
  • NMA and CHPMA) and 3-chloro-2-hydroxypropyl methacrylate (0.5 % by weight based on total repeating units) in the polymer are small.
  • StA stearyl acrylate
  • N-methylol acrylamide 6.4 g
  • VCM vinyl chloride
  • 2,2'-azobis(2-amidinopropane) dihydrochloride 3.6 g was added and the reaction was conducted at 60°C for 5 hours to give an aqueous dispersion of a polymer having the following formula:
  • R v C8F17CH2CH2-, C10F21CH2CH2-, C18H37 wherein x, y and z are such numbers that the molar ratio of units is 3:22:70, and (a + b), c and d are such numbers that weight ratio of (17FA+21FA):VCM:StA is 66:25:9.
  • the repeating units derived from N-methylol acrylamide and 3-chloro-2-hydroxypropyl methacrylate are omitted, since the amounts of N-methylol acrylamide (2 % by weight based on total repeating units of 17FA, 21FA, VCM, StA, NMA and CHPMA) and 3-chloro-2-hydroxypropyl methacrylate (0.5 % by weight based on total repeating units) in the polymer are small.
  • VCM vinyl chloride
  • 2,2'-azobis(2-amidinopropane) dihydrochloride 2.2 g was added and the reaction was conducted at 60°C for 5 hours to give an aqueous dispersion of a polymer having the following formula:
  • Comparative Preparative Example 3 An amino-modified silicone oil (having the following formula) (SF8417 manufactured by Dow Corning & Toray silicone Co., Ltd.) (0.23 g) was added to the aqueous dispersion prepared in Comparative Preparative Example 2 (15 g) and stirred for one hour to give an aqueous dispersion.
  • SF8417 manufactured by Dow Corning & Toray silicone Co., Ltd.
  • Comparative Preparative Example 2 (15 g) and stirred for one hour to give an aqueous dispersion.
  • Example 1 The aqueous liquid (4.8 g) prepared by Preparative Example 1 was diluted with pure water to prepare a test liquid (100 g).
  • a test liquid 100 g.
  • One sheet of a nylon test fabric 510 mm x 205 mm
  • was immersed in this test liquid passed through a mangle, and treated in a pin tenter at 160°C for 2 minutes.
  • the test fabric was cut to give three thirds (each of which has a size of 170 mm x 205 mm).
  • Each of three thirds fabric was used for non-washing, washing ten times and washing twenty times, respectively.
  • the fabrics were subjected to the shower water-repellency test, the oil repellency test and the feeling test.
  • the same procedure as in the above manner was repeated for one sheet of a PET test fabric (510 mm x 205 mm) and one sheet of cotton test fabric (510 mm x 205 mm).
  • Table 4 The results are shown in Table 4.
  • Example 2 In the same manner as in Example 1, the polymer prepared by Preparative
  • Example 2 was processed and then the shower water-repellency test, the oil repellency test and the feeling test were conducted. The results are shown in Table 4.
  • Preparative Example 1 was processed and then the shower water-repellency test, the oil repellency test and the feeling test were conducted. The results are shown in Table 5.
  • Preparative Example 2 was processed and then the shower water-repellency test, the oil repellency test and the feeling test were conducted. The results are shown in Table 5.
  • Preparative Example 3 was processed and then the shower water-repellency test, the oil repellency test and the feeling test were conducted. The results are shown in Table 5.
  • Comparative Example 4 In the same manner as in Example 1, the polymer prepared by Comparative Preparative Example 4 was processed and then the shower water-repellency test, the oil repellency test and the feeling test were conducted. The results are shown in Table 5.

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Abstract

La présente invention concerne un agent de traitement de surface, qui peut donner d’excellents caractères hydrofuges et oléofuges, résistance à la salissure et sensations au substrat, qui est obtenu à partir d’un polymère contenant du fluor qui contient : (A) un monomère qui comprend ; (a) un monomère contenant du fluor de formule : CH2=C(-X)-C(=O)-Y-Z-Rf dans laquelle X représente un atome d’hydrogène, un groupe organique monovalent, ou un atome d’halogène, Y représente -O- ou -NH-, Z représente une liaison directe ou un groupe organique divalent, et Rf représente un groupe fluoroalkyle ayant 8 à 12 atomes de carbone, et (B) au moins un organopolysiloxane fonctionnel choisi dans le groupe comprenant un mercapto-organopolysiloxane fonctionnel, un vinyl-organopolysiloxane fonctionnel, un (méth)acrylamide-organopolysiloxane fonctionnel et un méth(acrylate)organopolysiloxane fonctionnel.
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CN110894267A (zh) * 2019-11-27 2020-03-20 东莞东阳光科研发有限公司 一种氟硅接枝共聚物、表面处理剂及应用

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CN103306139A (zh) * 2013-07-10 2013-09-18 苏州市相城区开来化工有限公司 一种环保型氟硅防水剂
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