Abstract: The present invention is an electronic whiteboard having a low-gloss surface with anti-graffiti properties.

Abstract: There are provided a surface modified material comprising a base material, and one or more kinds of sulfonimide compound groups bonded onto the surface of the base material via one or more linking groups -A-Y?— (A is a direct bond or an organic group. Y? is a bonding site with the base material.); the sulfonimide compound group comprising, in its molecular structure, one or more linking groups -A-Y?— and two or more sulfonimide groups; as well as a fuel cell using the surface modified material for a catalyst layer. There is also provided a sulfonimide compound for surface modification comprising one or more reactive end groups -A-Y (A is a direct bond or an organic group. Y is a reactive functional group.) and two or more sulfonimide groups.

Abstract: An organic electrical device can include a first dielectric substrate including a PVDF-TrFe-CFE terpolymer, a first semiconductor region coupled to a first surface of the first dielectric substrate, and a first gate region coupled to a second surface of the first dielectric substrate, the second surface opposite the first surface and opposite the first semiconductor region. The organic electrical device can include an organic field-effect transistor (OFET), comprising the first gate region, the first dielectric substrate, a first source region, and a first drain region respectively electrically coupled to the first semiconductor region. An electrostrictive actuator or mechanical sensor can be co-integrated on the first dielectric substrate, the actuator or sensor including first and second conductive regions located on opposite surfaces of the first dielectric substrate. The actuator or sensor can be electrically coupled to the OFET, and controlled at least in part by the OFET.

Abstract: The invention relates to a tough, flexible multi-layer tube or other structure having a vinylidene fluoride contact layer. Such a tube is especially useful for high-purity contact applications, and contact where chemical resistance is needed. The vinylidene fluoride layer is melt-processible and may be a homopolymer, copolymer or terpolymer.

Abstract: A self-releasing fuser member for an image forming apparatus having a fluoropolymer with fluorocarbon chains bonded to the fluoropolymer via a linking group; a quaternary, tertiary, or secondary carbon atom; and a reactive group. The fluorocarbon chains are oriented nonparallel to the surface of the self-releasing fuser member. Image forming apparatuses having such self-releasing fuser members and methods of making such self-releasing fuser members.

Abstract: [Problem] To provide: a photosensitive resin composition which is cured by radiation and exhibits excellent wear resistance, antifouling properties, marker pen ink wiping-off properties, fingerprint wiping-off properties and low refractive index, and which provides low reflectance in cases where the photosensitive resin composition is used for an antireflection film; and an antireflection film which has a cured coating film of this photosensitive resin composition. [Solution] A photosensitive resin composition for an antireflection film that is characterized in that a low refractive index layer contains an acrylate, a colloidal silica, and an organic modified dimethyl polysiloxane having an acryloyl group and an acrylate-modified perfluoropolyether that serve as surface modification agents; and an antireflection film which is obtained by curing the photosensitive resin composition.

Abstract: A protective sheet for a solar cell module that includes a cycloolefin resin layer laminated to one surface of a substrate film with a polyolefin resin layer disposed therebetween, wherein the polyolefin resin layer and the cycloolefin resin layer are formed by co-extrusion molding.

Abstract: A fuser member including a substrate and a release layer disposed on the substrate is provided. The fuser member includes a substrate and a release layer disposed on the substrate. The release layer includes non-woven polymer fibers having graphene particles dispersed along the fibers. A method of manufacturing the release layer is provided.

Abstract: Provided herein is a reflective optical construction containing a fluoropolymer barrier layer, wherein the fluoropolymer is selected from the group consisting of homopolymers and copolymers of at least one tetrafluoropropene or pentafluoropropene, preferably 2,3,3,3-tetrafluoropropene. Also disclosed is a method of forming a reflective optical construction including (a) applying a barrier layer comprising one or more fluoropolymers selected from the group consisting of homopolymers and copolymers of at least one tetrafluoropropene or pentafluoropropene, and (b) curing.

Abstract: A resin composition, a multi-layered film, a backsheet for photovoltaic modules, a method thereof, and a photovoltaic module are provided. The multi-layered film including a coating layer including a fluorine-based polymer has an excellent durability and weather resistance, and also exhibits high interfacial adhesive strength to a substrate since the multi-layered film is formed by coating a cured product of the resin composition including the fluorine-based polymer, an acrylic polymer including a thermosetting functional group, and a heat-curing agent on the substrate. In addition, drying can be performed at a low temperature during the manufacture of the multi-layered film so that the manufacturing costs can be decreased, productivity can be increased, and the deterioration of the product due to heat modification, heat shock, and the like, can be prevented. The multi-layered film can be effectively used as a backsheet for various photovoltaic modules.

Abstract: In a first aspect, a liquid fluoropolymer coating composition includes a fluoropolymer selected from the group consisting of homopolymers and copolymers of vinyl fluoride and homopolymers and copolymers of vinylidene fluoride, a pigment, a dispersing agent including a block acrylic compound or a graft acrylic compound, a viscosity reducing compound and solvent. In a second aspect, a process for forming a fluoropolymer coated film includes coating a polymeric substrate film with a liquid fluoropolymer coating composition, wherein the liquid fluoropolymer coating composition includes a fluoropolymer selected from homopolymers and copolymers of vinyl fluoride and homopolymers and copolymers of vinylidene fluoride, a pigment, a dispersing agent, a viscosity reducing compound, a mixed catalyst, solvent, a compatible cross-linkable adhesive polymer and a cross-linking agent.

Abstract: A plastic member, on which a metal layer is formed on a surface of a plastic object, a method of manufacturing the same, and an electronic product including the same are provided. The method of manufacturing a multilayer thin film includes modifying a surface of a plastic object using a plasma treatment, depositing a reflective metal layer on the surface of the plastic object, and depositing a transparent ceramic layer on the reflective metal layer.

Abstract: Provided are a coating composition for low refractive layer including fluorine-containing compound of the following Chemical Formula 1, an anti-reflection film using the same, and a polarizer and an image display device including the same, wherein the fluorine-containing compound of the following Chemical Formula 1 has a low refractive index of 1.28 to 1.40, thereby making it possible to easily adjust a refractive index of the anti-reflection film and be usefully used as a coating material of the anti-reflection film having an excellent mechanical property such as durability, or the like.

Abstract: A method of producing a fluoropolymer by which a melt-processable fluoropolymer (A) having a specific unstable terminal group or groups (P) is subjected to melt-kneading in a kneader having a stabilization treatment zone to thereby produce a fluoro-polymer (B) resulting from conversion of the specific unstable terminal group or groups (P) to —CF2H. The specific unstable terminal group or groups (P) include alkoxycarbonyl groups, fluoroalkoxycarbonyl groups and/or carboxyl group quaternary nitrogen compound salts, the melt-kneading is carried out in the absence or presence of an alkali metal element or alkaline earth metal element, the content of the alkali metal element or alkaline earth metal element is not greater than 2 ppm of the composition under melt-kneading, and the melt-kneading in the stabilization treatment zone is carried out in the presence of water. A fluoro-polymerized material is also disclosed.

Abstract: The present invention provides a molding material for package including a matte-coating layer having excellent formability, chemical resistance, solvent resistance, electrolytic solution resistance and printing property. The molding material for package (1) includes an outer base material layer (13) comprising a heat-resistant resin; an inner sealant layer (16) comprising a thermoplastic resin; a metal foil layer (11) disposed between the outer base material layer (13) and the inner sealant layer (16); and a matte-coating layer (14) formed on a side opposite to the metal foil layer (11) of the outer base material layer (13), wherein the matte-coating layer (14) is a multilayer including a bottom layer (14a) comprising a resin composition including a main agent resin including a phenoxy resin and a urethane resin, a curing agent, and solid fine particles; and an upper layer (14b) comprising a resin composition including a fluorine-containing resin.

Abstract: A fluoropolymer composition having a total luminous transmittance (TT) of less than 15%, when measured according to ASTM D1003 on a sample having a thickness of about 50 ?m, said composition comprising: at least one hydrogen-containing fluoropolymer [polymer (A)]; from 5 to 80% by weight of (A) of at least one inorganic pigment [pigment (I)]; and from 1 to 99% by weight of (I) of at least one per(halo)fluoropolymer chosen among tetrafluoroethylene (TFE) copolymers having a dynamic viscosity at a shear rate of 1 rad×sec?1 of less than 100 Pa×sec at a temperature of 280° C. [polymer (B)]. By adding polymer (B) to the composition based on polymer (A) it is advantageously possible to obtain an even dispersion of the pigment (I) so that a composition possessing outstanding opacity and still being processable under the form of films, so as to provide adequate mechanical properties, can be manufactured therefrom.

Abstract: Surface modification layers and associated heat treatments, that may be provided on a sheet, a carrier, or both, to control both room-temperature van der Waals (and/or hydrogen) bonding and high temperature covalent bonding between the thin sheet and carrier. The room-temperature bonding is controlled so as to be sufficient to hold the thin sheet and carrier together during vacuum processing, wet processing, and/or ultrasonic cleaning processing, for example. And at the same time, the high temperature covalent bonding is controlled so as to prevent a permanent bond between the thin sheet and carrier during high temperature processing, as well as maintain a sufficient bond to prevent delamination during high temperature processing.

Abstract: A back sheet of solar module with high adhesivity comprises a substrate (3), a layer of fluorine-based film (2), and a layer of fluoro-silicone film (1) or titanium-silicon film (4) formed between the layer of fluorine-based film (2) and the substrate (3), as well as on outer surface of the layer of fluorine-based film (2). A method for manufacturing the back sheet of solar module comprises the treatment on the layer of fluorine-based film (2) and/or substrate (3) with compound of fluoro-silicone or titanium-silicon, so as to coat a layer of fluoro-silicone film (1) or titanium-silicon film (4).

Abstract: The invention relates to an process for coating a glass substrate with an environmentally friendly aqueous, fluoropolymer coating composition. The process involves applying a polyurethane primer to the glass substrate, and partially, but not completely crosslinking this primer coating. An aqueous hydroxyl-functional fluoropolymer coating is then applied to the partially crosslinked primer coating, and the coating allowed to fully cure. The invention also relates to the intertwined multilayer primer/fluoropolymer coating on the glass substrate. The final coating has excellent wet adhesion to glass, good weathering, durability, chalking resistance, chemical resistance, and dirt pickup resistance.

Abstract: The present invention has its object to provide an optical layered body having sufficient hardness and an even surface, including a low refractive index layer having a sufficiently low refractive index, and having excellent antireflection properties. optical layered body of the present invention comprises: at least a low refractive index layer on a light-transmitting substrate, wherein said low refractive index layer is formed by using a composition for a low refractive index layer, said composition comprising a hollow silica fine particle and an organic binder, said organic binder containing: a fluorine atom-free polyfunctional monomer having three or more reactive functional groups in one molecule; a fluorine atom-containing monomer; and a fluorine atom-containing polymer.

Abstract: An electroconductive composition including polystyrene sulfonic acid, poly(3,4-ethylenedioxythiophene), water, an organic solvent having an affinity to water and a polymer having an amide group as a side chain.

Abstract: The invention relates to an aqueous fluoropolymer coating composition for direct application to glass without the need for pre-treatment of the glass surface. The coating composition can also be used with other non-porous and porous substrates. The fluoropolymer coating contains a hydroxyl-functional fluoropolymer, and polyisocyanates. Preferably the coating composition also contains a water-dispersible hydroxyl functional polyurethane. The coating composition may exist as a 1-pack or a multi-pack coating system. The coating has excellent wet adhesion to glass, good weathering, chalking resistance, chemical resistance, and dirt pickup resistance.

Abstract: A coating is described. The coating includes a metal oxide layer, which in turn includes a surface having a water contact angle greater than 90 degrees. A metal-oxide coating composition is also described. The composition includes effective amounts of a first type and a second of metals and an effective amount of oxygen to react with the first type and the second type of metals to produce a first type and a second type of metal oxides, both of which produce a structure that is greater than about 50% (by volume) amorphous.

Abstract: A composition for imprints comprising a polymerizable monomer, a photopolymerization initiator, and a polymer having a functional group with at least one of a fluorine atom or a silicon atom and having a polymerizable functional group, wherein the polymer has a weight-average molecular weight of at least 2000 and the amount of the polymer is from 0.01 to 20% by mass relative to the polymerizable monomer, is excellent in patternability and mold releasability, capable of forming good patterns and free from a problem of mold contamination.

Abstract: A component comprising a stacked interleaved film structure that includes a plurality of layers inert to light. Alternating layers are either doped with a reverse saturable absorber (RSA) material or the RSA material is located between the adjacent inert layers. In some embodiments, the inert alternating layers have different refractive indices. A data storage device and methods of manufacture are also disclosed.

Abstract: Provided is a powder coating composition, whereby a cured film excellent in water resistance, chemical resistance and weather resistance, can be formed by single coating operation, wherein a fluorinated resin layer and a polyester layer are layer-separated in the process of melting and curing the powder coating composition. A powder coating composition comprising a fluorinated resin (A), a polyester polymer (B), a curing agent (C) and an ultraviolet absorber (D), wherein the polyester polymer (B) is a polyester polymer comprising units derived from a C8-15 aromatic polybasic carboxylic acid compound and units derived from a C2-10 a polyhydric alcohol compound.

Abstract: A multi-layer structure including an interlayer to relieve stress in the structure, a device including the structure, and a method of forming the device and structure are disclosed. The structure includes a substrate having a first coefficient of thermal expansion, an interlayer, and a coating having a second coefficient of thermal expansion. The interlayer reduces stress in the structure that would otherwise exist in the structure as a result of the difference in coefficients of thermal expansion of the substrate and the coating.

Abstract: The present invention is to provide a weather-resistant adhesive which achieves adhesive property, moist heat resistance and weather resistance in a practical level by means of aging at low temperature and for short time. There is provided a weather-resistant adhesive composition, characterized in containing (A) a polyester polyol having an acid value of 30 to 150 equivalents/106 g and (B) a polyisocyanate compound comprising an aliphatic polyisocyanate compound and/or an alicyclic polyisocyanate compound. Also, there is provided a layered product, characterized in being prepared by laminating films using said composition.

Abstract: Provided herein is a reflective optical construction containing a fluoropolymer barrier layer, wherein the fluoropolymer is selected from the group consisting of homopolymers and copolymers of at least one tetrafluoropropene or pentafluoropropene, preferably 2,3,3,3-tetrafluoropropene. Also disclosed is a method of forming a reflective optical construction including (a) applying a barrier layer comprising one or more fluoropolymers selected from the group consisting of homopolymers and copolymers of at least one tetrafluoropropene or pentafluoropropene, and (b) curing.

Abstract: An object of the present invention is to provide: an electrophotographic member which enhances image quality, prevents the lowering of a grade of an image even when images have been repeatedly output, and can remarkably enhance the stability of the grade of the image; an intermediate transfer member; and an image forming apparatus. The electrophotographic member includes a base layer and a surface layer, wherein the surface layer has a binder resin, perfluoropolymer fine particles, a fluorocarbon resin dispersing agent and a particular fluorine compound, wherein the perfluoropolymer fine particle has a fluorine compound carried on its surface.

Abstract: An article having a fluid permeation prevention layer, such as a pneumatic tire or hose. A tire for example includes an outer tread layer, intermediate sidewall and carcass layers and an innermost air permeation prevention layer: (i) the air permeation prevention (APP) layer having an upper and a lower surface, the layer having a polymer composition exhibiting an air permeation coefficient (APC) of about 25×10?12 cc cm/cm2 sec cmHg (at 30° C.) or less and a Young's modulus of about 1 MPa to about 500 MPa, the polymer composition comprising: (A) at least 10 wt % of at least one. thermoplastic resin component having an APC of about 25×10?12 cc cm/cm2 sec cmHg (at 30° C.) or less and a Young's modulus of more than 500 MPa, which is preferably a polyamide resin or mixture, and (B) at least 10 wt % of at least one elastomer component having an APC of more than about 25×10?12 cc cm/cm2 sec cmHg (at 30° C.

Abstract: A PTFE-based sliding material, wherein the porous sintered layer on the surface of backing metal is impregnated with baked PTFE, with one or both of the solid lubricant and wear-resistant additive together with fibrous PTFE forming an entangled fibrous PTFE structure, is used for a bearing of air-conditioner. Resistance of the bearing for local wear is required. Such wear resistance is to be enhanced. Carbides of an oligomer or polymer containing a hydrophilic group formed during baking are incorporated in the entangled structure of fibrous PTFE.

Abstract: The present invention relates to an article comprising a polymeric substrate and a coating thereon comprising a complex of an ionic fluoropolyether and a counter-ionic agent, to a process for the production of a coating on a polymeric substrate comprising the steps of a) preparing a mixture of an ionic fluoropolyether or a precursor thereof and a counter-ionic agent of a precursor thereof and b) applying the mixture prepared in step a) onto the substrate, to the use of such articles for the manufacture of a garment, a filter element, a venting element or a protective enclosure, to the use of a coating composition comprising a complex of an ionic fluoropolyether and a counter-ionic agent for coating of a polymeric substrate, and to the use of a coating composition comprising a complex of an ionic fluoropolyether and a counter-ionic agent as an antimicrobial or antifungal coating of a substrate.

Abstract: A conductive thin film is composed of a polymer gel including carbon nanotubes, an ionic liquid, and a polymer. At least one selected from the group consisting of fat and oil and a water repellent is included in the polymer gel or in a surface of the polymer gel.

Abstract: A coating composition is disclosed. The coating composition includes a poly(methyl methacrylate) polymer or copolymer having a weight average molecular weight of at least 50,000 grams per mole; monomer comprising at least one of an alkylene diacrylate, alkylene dimethacrylate, cycloalkylene diacrylate, or cycloalkylenedimethacrylate, wherein the at least one of an alkylene diacrylate, alkylene dimethacrylate, cycloalkylene diacrylate, or cycloalkylenedimethacrylate provides at least 80 percent by weight of the monomer; and a stabilizer against ultraviolet light. An article including a coating on a surface of a substrate and a method of making the article are also disclosed. The coating on the surface of the substrate is obtained by curing the disclosed coating composition.

Abstract: The invention relates to a radiation curable adhesive system for use in bonding a high thermal deformation temperature layer to a UV opaque, pigmented or non-pigmented fluoropolymer film The radiation curable adhesive system uses an adhesive composition optimized for cure using long wavelength UV energy. The adhesive system may also be optimized for curing by LED or e-beam radiation. The system is designed for curing through a UV opaque fluoropolymer film—and especially where titanium dioxide is used as the pigment. A preferred multilayer film structure is a polyvinylidene fluoride (PVDF)/curable adhesive/polyester terephthalate (PET) structure. This film structure is especially useful as a backsheet for a photovoltaic module.

Abstract: In a first aspect, a liquid fluoropolymer coating composition includes a fluoropolymer selected from homopolymers and copolymers of vinyl fluoride and homopolymers and copolymers of vinylidene fluoride, a mixed catalyst, solvent, a compatible cross-linkable adhesive polymer and a cross-linking agent. The mixed catalyst includes a main catalyst and a co-catalyst. The main catalyst includes an organotin compound. In a second aspect, a fluoropolymer coated film includes a polymeric substrate film and a fluoropolymer coating on the polymeric substrate film. The fluoropolymer coating includes a fluoropolymer selected from homopolymers and copolymers of vinyl fluoride and homopolymers and copolymers of vinylidene fluoride, a compatible cross-linked adhesive polymer, and a mixed catalyst. The mixed catalyst includes a main catalyst and a co-catalyst. The main catalyst includes an organotin compound.

Abstract: A polymeric or oligomeric composition comprising at least one first divalent unit represented by formula: and at least one of a second divalent unit comprising a pendant phosphonate group —P(O)(OY)2 or a monovalent unit comprising a thioether linkage and a terminal Z group, wherein each Z group is independently —P(O)(OY)2 or —O—P(O)(OY)2. Rf is a perfluoropolyether group. Q is a bond, —C(O)—N(R1)—, or —C(O)—O—. R?, R??, R and R1 are each independently hydrogen and alkyl having from 1 to 4 carbon atoms. X is alkylene, arylalkylene, and alkylarylene, wherein alkylene, arylalkylene, and alkylarylene are each optionally interrupted by at least one ether linkage. Y is hydrogen, alkyl, trialkylsilyl, and a counter cation. Methods of treating a surface using these compositions and articles with a surface in contact with these compositions are provided. Methods of making these compositions are also provided.

Abstract: An object of the present invention is to provide a particulate composite which is free from fluorosurfactants having a high environmental impact, and can form a coating film that has excellent adhesion to a substrate and is uniformly adhered to the substrate even if containing a small amount of an adhesive component. The particulate composite of the present invention contains: a fluoropolymer; an adhesive polymer; and less than 0.1 ppm of a fluorosurfactant.

Abstract: The invention provides fluorinated polymeric articles formed a composition including a fluoropolymer. The fluoropolymer is formed using a fluorinated monomer that provides the fluoropolymer with most or all of the fluorine atoms not directly covalently attached to an atom of the fluoropolymer backbone. The fluoropolymer can also include a non-fluorinated hydrophilic monomer in a weight amount greater than the fluorinated monomer. The fluoropolymer composition also includes an ultraviolet light (UV)-reactive group capable of covalent bonding to promotes formation of the fluorinated polymeric article. The fluorinated polymeric article can be in the form of a durable lubricious coating on the surface of an implantable medical device. Coatings of the invention exhibit excellent wet/dry lubricity, durability, and controlled swelling.

Abstract: Thermal management techniques and methods for various types of structures that require a thermal property, such as thermal conductivity and/or flame retardance, and have a surface in proximity to a source of thermal energy. Such a structure includes a substrate formed of a metallic material or a thermally conductive plastic material, and a white fluoropolymer layer directly on a surface of the substrate without a discrete adhesive layer therebetween. The white fluoropolymer layer defines an outermost surface of the structure, has a reflectivity of greater than 95%, and has a thickness sufficient to inhibit degradation of the thermal property of the structure resulting from impingement of the surface by the thermal energy.

Abstract: A film including poly(vinylidene fluoride) and a block copolymer with at least two endblock polymeric units that are each derived from a first monoethylenically unsaturated monomer selected from a methacrylate, acrylate, styrene, or combination thereof; and at least one midblock polymeric unit is derived from a second monoethylenically unsaturated monomer selected from a methacrylate, acrylate, vinyl ester, or combination thereof, each endblock having a glass transition temperature of at least 50° C., and each midblock having a glass transition temperature no greater than 20° C. The film may further include poly(methyl methacrylate). The film may be a multilayer film with a first outer layer and a second outer layer opposite the first outer layer. The multilayer film may include a multiplicity of interior layers between the first and second outer layers, or the first outer layer may be adjacent to the second outer layer. Articles and methods are also disclosed.

Abstract: An article of manufacture comprising a substrate and an outer polymer coating on the substrate. The polymer coating comprises an oleophobic grafted polymer comprising a crosslinked fluoroelastomer group. A perfluorinated polyether is grafted to the crosslinked fluoroelastomer group.

Abstract: Coatings includes about 60 weight percent to about 90 weight percent of one or more fluorinated polymers, about 1 weight percent to about 7 weight percent of one or more erosion resistant fillers about 3 weight percent to about 9 weight percent of one or more anticorrosive pigments, about 1 weight percent to about 4 weight percent of one or more thixotropic agents, and about 1 weight percent to about 4 weight percent of one or more porosity reducing filler materials.

Abstract: A polymer composite comprising a fluoroelastomer binder. A plurality of halloysite nanotubes are dispersed in the fluoroelastomer binder. Xerographic components employing the polymer composite are disclosed.

Abstract: The present teachings provide a fuser member. The fuser member includes a substrate layer comprising a polyimide polymer and polyethylene glycol ester.

Abstract: A fire resistant composite laminate includes a thermoplastic matrix material reinforced with fibers embedded in the matrix of the composite laminate, wherein the thermoplastic matrix material of the fire resistant composite laminate includes polyvinylidene fluoride (PVDF).

Abstract: The present teachings provide a fuser member. The fuser member includes a substrate layer comprising a polyamideimide/polybenzimidazole polymer blend. A method of manufacturing the fuser member is described.

Abstract: In accordance with the present teachings, there are composite materials, fuser members comprising the composite materials, and methods of making the composite materials. In various embodiments, the composite material can include a polyimide resin having a thermal conductivity and a plurality of passivated aluminum nitride particles substantially uniformly dispersed in the polyimide resin to provide the composite material with a thermal conductivity of about 0.4 W/mK to about 2.5 W/mK, and wherein each of the plurality of passivated aluminum nitride particles can include a passivation layer disposed over an aluminum nitride particle core to inhibit oxidation and thermal degradation of a surface of the aluminum nitride particle core.

Abstract: A fluorooxyalkylene group-containing polymer composition including a liner fluorooxyalkylene group-containing polymer represented by the formula (1) which has a hydrolysable group at a terminal and is hereinafter called “one-terminal modified polymer”, and a liner fluorooxyalkylene group-containing polymer represented by the following formula (2) which has hydrolysable groups at the both terminals and is hereinafter called “both-terminal modified polymer”, wherein an amount of the both-terminal modified polymer is 0.1 mole % or more and less than 10 mole %, relative to a total mole of the one-terminal modified polymer and the both-terminal modified polymer.