WO2009087922A1 - Composition de revêtement pouvant être décollé pour plancher - Google Patents

Composition de revêtement pouvant être décollé pour plancher Download PDF

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Publication number
WO2009087922A1
WO2009087922A1 PCT/JP2008/073691 JP2008073691W WO2009087922A1 WO 2009087922 A1 WO2009087922 A1 WO 2009087922A1 JP 2008073691 W JP2008073691 W JP 2008073691W WO 2009087922 A1 WO2009087922 A1 WO 2009087922A1
Authority
WO
WIPO (PCT)
Prior art keywords
coating composition
trade name
floor coating
peelable floor
floor
Prior art date
Application number
PCT/JP2008/073691
Other languages
English (en)
Japanese (ja)
Inventor
Konosuke Yagi
Satoshi Kaneda
Tetsuya Umehara
Shimon Nishida
Original Assignee
Rinrei Wax Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rinrei Wax Co., Ltd. filed Critical Rinrei Wax Co., Ltd.
Publication of WO2009087922A1 publication Critical patent/WO2009087922A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/20—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for coatings strippable as coherent films, e.g. temporary coatings strippable as coherent films
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers

Definitions

  • the present invention relates to a peelable floor coating composition. Specifically, the coating has durability capable of maintaining the aesthetics of a floor for a long time, and at the same time, a coating that can be easily peeled off from a floor without using a release agent.
  • the present invention relates to an aqueous peelable floor coating composition that forms a film.
  • a flooring agent is generally applied to the floor to protect the floor.
  • wax-based polishes such as oil-based floor polish, emulsifiable floor polish, and wax-type water-based floor polish specified in Japanese Industrial Standard “JIS K3920” have become mainstream.
  • the polishing agent mainly composed of wax has problems in that it requires a polishing operation after application, and is inferior in durability such as durability of the gloss and adhesion of dirt.
  • a polymer-type aqueous floor polish comprising a metal-crosslinked acrylic copolymer emulsion, a polyethylene wax emulsion, an alkali-soluble resin, and a plasticizer (Hereinafter referred to as “resin wax”).
  • Such a resin wax does not require a polishing operation after application, and can improve durability, such as the durability of the gloss and the degree of adhesion of dirt, as compared with the above-described polish mainly composed of wax.
  • durability such as the durability of the gloss and the degree of adhesion of dirt
  • the gloss decreases, and dirt and black heel marks (black marks attached by scraping the shoe sole) become conspicuous.
  • silicone-based inorganic coating agents such as those described in the following Patent Document 3 and the like further improved in durability by further suppressing fine scratches and dirt, and the following Patent Document 4 and the like UV curable coating agents such as those described have been proposed.
  • silicone-based inorganic coating agents such as those described in the following Patent Document 3 and the like further improved in durability by further suppressing fine scratches and dirt
  • Patent Document 4 and the like UV curable coating agents such as those described have been proposed.
  • Patent Document 5 proposes a peelable floor coating composition capable of forming a film-like film on the floor surface.
  • a peelable floor coating composition capable of forming a film-like film on the floor surface.
  • it can be peeled off from the floor as a single film, so it can be easily removed without using a release agent, and the removal work efficiency is improved. Can be made.
  • the peelable floor coating composition described in the following Patent Document 5, etc. has an antifouling layer that prevents dirt and the like after applying a liquid that forms a peeling layer that exhibits peeling performance on the floor surface. Since it is a two-component application type in which the liquid to be formed is applied, there is a problem that it takes a lot of work.
  • Patent Document 6 disperse, in water, a raw material for forming a coating film mainly composed of a urethane resin having a breaking strength of 10 MPa or more and a breaking elongation of 50 to 300%.
  • a releasable floor coating composition has been proposed so that a coating film exhibiting sufficient releasability and stain resistance can be formed in a one-part coating type.
  • the edge of the coating film applied on the floor surface is turned up with a cutter or the like to peel off the floor surface. If a crack occurs due to a catch or the like at the tile joint, the tear generated in the coating film spreads in the peeling direction in some cases, making it difficult to peel off as a continuous film. There was a case.
  • an object of the present invention is to provide a peelable floor coating composition that can prevent a decrease in the peeling workability of the formed coating film.
  • a coating film having a certain amount of tearing force may cause a scratch on the floor surface or a tile joint portion, resulting in tearing.
  • the present inventors have found that the film can be peeled off as it is without spreading the tear and can prevent the deterioration of the peeling workability, thereby completing the present invention.
  • the peelable floor coating composition according to the present invention is a coating mainly composed of a urethane resin having a tearing force of 0.3 N or more, a breaking strength of 10 MPa or more, and a breaking elongation of 50% or more.
  • the raw material for forming the film is dispersed in water.
  • the peelable floor coating composition according to the present invention is characterized in that the peelable floor coating composition described above contains an acrylic resin.
  • the acrylic resin is contained in an amount of 1 to 20% by weight based on the total solid content in the above-described peelable floor coating composition.
  • the peelable floor coating composition according to the present invention is characterized in that in the above-described peelable floor coating composition, an acrylic-urethane copolymer resin is contained.
  • the peelable floor covering composition according to the present invention is the above-described peelable floor covering composition, wherein the acrylic-urethane copolymer resin is contained in an amount of 1 to 40% by weight based on the total solid content. It is characterized by.
  • the peelable floor coating composition according to the present invention is characterized in that the peelable floor coating composition described above contains a peeling improver.
  • the edge of the coating film applied to the floor surface is turned up and peeled off with a cutter or the like, and is scratched on the floor surface or tile joints, etc. Even if it has caused a tear, it can be suppressed that the tear generated in the coating film spreads in the peeling direction, and can be peeled off as a single continuous film, A decrease in peeling workability can be prevented.
  • a peelable floor coating composition that can exhibit the following characteristics. (1) It can be applied with a roller, mop, brush, iron brush or the like, and can be thickly coated. (2) After coating film formation, it can apply
  • the peelable floor coating composition according to the present invention that can express such characteristics has a tearing force of 0.3 N or more, a breaking strength of 10 MPa or more, and a breaking elongation of 50% or more.
  • the raw material which forms the coating film which has a urethane resin as a main component is disperse
  • the peelable floor coating composition is a material in which a raw material such as the urethane resin as a main component is dispersed in water.
  • the urethane resin approaches each other by evaporation of water, and the urethane resin forms a continuous layer. Thus, a coating film is formed.
  • urethane resin examples include aliphatic polyethers, aliphatic polyesters, aliphatic polycarbonates, alicyclic polyethers, alicyclic polyesters, and alicyclic polycarbonates. , Aromatic polyethers, aromatic polyesters, aromatic polycarbonates, etc., or a mixture of a plurality of them in an arbitrary ratio.
  • the coating film containing the urethane resin as a main component needs to have a tearing force of 0.3 N or more, a breaking strength of 10 MPa or more, and a breaking elongation of 50% or more, particularly a tearing force of 1 N or more.
  • the breaking strength is preferably 15 MPa or more and the breaking elongation is 100% or more.
  • the breaking strength is less than 10 MPa, it breaks at the time of peeling. It becomes easy to peel off as a single continuous film, and when the elongation at break is less than 50%, it becomes hard and brittle and easily breaks, making it difficult to peel off as a single continuous film. is there.
  • a covering film will be soft and the inclusion of dirt by a person's walk etc. will increase, it is preferable in elongation at break being 300% or less.
  • the peelable floor coating composition according to the present invention further contains an acrylic resin or an acrylic-urethane copolymer resin emulsion since the stain resistance of the coating film can be further improved.
  • acrylic resin emulsion examples include “DURAPLUS 2 (trade name)”, “DURAPLUS 3 (trade name)”, “PRIMALT 2409 (trade name)”, and “PRIMAL B 924” manufactured by Rohm and Haas Japan Co., Ltd. (Product Name), “RHOPLEX 2133 (Product Name)”, etc., “AE116 (Product Name)” manufactured by JSR Corporation, “Acryset FB252E (Product Name)”, “Acryset FB334E ( Product names) ”and the like used for floor polishing and the like.
  • Examples of the emulsion of the acrylic-urethane copolymer resin include “UC90 (trade name)” manufactured by AlberdingkleyBoley, Inc., “Adekabon titer HUX-401 (trade name)” manufactured by ADEKA Corporation, and DSM Corporation. “NeoPac E125 (trade name)” and the like.
  • the acrylic resin is contained in an amount of about 1 to 20% by weight with respect to the weight ratio to the total solid content, that is, 100% by weight of the solid content of the coating composition.
  • the acrylic-urethane copolymer resin is used in an amount of about 1 to 40% by weight (preferably about 1 to 20% by weight) based on 100% by weight of the solid content of the coating composition, that is, the weight ratio relative to the total solid content. Part) is preferably contained.
  • the content of the acrylic resin or the acrylic-urethane resin is less than the above value, the above-described effects are not sufficiently exhibited, and the content of the acrylic resin or the acrylic-urethane resin is the above value. If the amount is more than the range, the coating film becomes hard and brittle, the breaking strength and tearing force are lowered, and the coating film is easily broken at the time of peeling, which may adversely affect the intended effect of the present invention.
  • the peelable floor coating composition according to the present invention further contains a peeling improver.
  • peeling improver examples include, for example, fluorine compounds, waxes, silicone compounds, alkyl phosphoric acid ester compounds, etc., or a mixture of a plurality of alkyl phosphate ester compounds, etc. It can be used in a form or a powder form.
  • fluorine-based compound those containing a fluoroalkyl group in the molecule are preferable.
  • perfluoroalkyl phosphate for example, “Surflon S-111 (AGC Seimi Chemical Co., Ltd.)” Product name
  • perfluoroalkyl phosphate ester salts for example
  • Surflon S-112 trade name
  • perfluoroalkylamine oxide for example, manufactured by AGC Seimi Chemical Co., Ltd.
  • Surflon S-141 trade name
  • perfluoro EO adducts for example, “Surflon S-145 (trade name)” manufactured by AGC Seimi Chemical Co., Ltd.
  • the acid salt is an acid salt because the peeling performance can be improved with a smaller amount.
  • waxes examples include plant waxes such as candelilla wax, carnauba wax, rice wax, wood wax, jojoba oil, animal waxes such as beeswax, lanolin, whale wax, montan wax, ozokerite, ceresin.
  • Mineral wax such as paraffin wax, petroleum wax such as paraffin wax, microcrystalline wax, petrolatum, Fischer-Tropsch wax, oxidized polyethylene wax, polyethylene wax, oxidized polypropylene wax, polypropylene wax, acrylic-ethylene copolymer Synthetic hydrocarbon waxes such as waxes, modified waxes such as montan wax derivatives, paraffin wax derivatives, microcrystalline wax derivatives, hardened castor oil, hardened castor And hydrogenated waxes such as oil derivatives, and 12-hydroxystearic acid, and stearic acid amide, and phthalic anhydride imide, and bisamides, or amide, or glycerin esters, and sorbitan esters, C 12 or more (preferably higher alcohol and the C 18 or higher), C 12 or more (but preferably include higher fatty acids such as the C 18 or higher), but is not limited thereto.
  • synthetic hydrocarbon waxes such as waxes, modified waxes such as montan wax derivatives, paraffin wax derivatives, microcrystalline wax
  • silicone compound examples include those having a siloxane bond as a main skeleton.
  • silicone oil for example, methylphenyl such as “KF50 (trade name)” and “KF53 (trade name)” manufactured by Shin-Etsu Chemical Co., Ltd.
  • Polysiloxanes, dimethylpolysiloxanes such as “KF96 (trade name)”, “KF99 (trade name)”, “KF994 (trade name)”, “KF995 (trade name)”, “KF9902 (trade name)”, etc.
  • Etc.) or silicone emulsion for example, “KM70 (trade name)”, “KM71 (trade name)”, “KM72 (trade name)”, “KM75 (trade name)”, “KM85” manufactured by Shin-Etsu Chemical Co., Ltd.
  • alkyl phosphate ester compounds examples include “Separ # 365 (trade name)”, “Separ # 380 (trade name)”, “Separ # 440 (trade name)”, and “Separ #” manufactured by Chukyo Yushi Co., Ltd. 441 (product name) ”,“ Separ # 517 (product name) ”,“ Separ # 521 (product name) ”, and the like, but are not limited thereto.
  • fluorine compounds especially perfluoroalkyl phosphoric acid ester salts, can produce the most excellent effects, but are expensive, so they may be used in combination with other types.
  • the peeling improver is about 0.01 to 5.0% by weight (preferably in the case of a fluorine-based compound with respect to 100% by weight of the solid content of the coating composition, ie, 100% by weight of the solid content of the coating composition. Is about 0.01 to 3.0% by weight), about 1 to 20% by weight (preferably about 1 to 10% by weight) in the case of waxes, and about 0.1 in the case of silicone compounds. In an amount of about 5 to 5% by weight (preferably about 0.1 to 3% by weight), and in the case of an alkyl phosphate compound, about 1 to 10% by weight (preferably about 1 to 5% by weight). It is preferable to use it.
  • the amount of the peeling improver used is less than the above range, it is not possible to improve the peelability of the formed coating film, and if the amount of the peeling improver used is larger than the above range, This is because the peelability of the formed coating film becomes too high, and problems such as peeling of the coating film from the floor surface due to walking occur.
  • the peelable floor coating composition according to the present invention preferably further contains a crosslinking agent because the strength of the formed coating film can be further improved.
  • a crosslinking agent because the strength of the formed coating film can be further improved.
  • the internal addition type (one-component type) in which crosslinking proceeds with the evaporation of water is more preferable because it becomes easier to handle in work.
  • carbodiimide group-containing types for example, “Carbodilite aqueous type V-02 (trade name)”, “Carbodilite aqueous type SV-02 (trade name)” manufactured by Nisshinbo Co., Ltd., “Carbodilite aqueous type V— “02-L2 (trade name)”, “Carbodilite aqueous type V-04 (trade name)”, “Carbodilite aqueous type V-06 (trade name)”, “Carbodilite aqueous type E-01 (trade name)”, “Carbodilite” Aqueous type E-02 (trade name) "," Carbodilite aqueous type E-03A (trade name) ", etc.) and oxazoline group-containing type (for example,” Epocross K-2010E (trade name) "manufactured by Nippon Shokubai Co., Ltd.) “Epocross K-2020E (trade name)”, “Epocross K-2030E (trade name
  • the peelable floor coating composition according to the present invention may further include a plasticizer (for example, phosphate esters, fatty acid esters, etc.) and a film-forming aid (for example, ethylene glycol or diethylene glycol) as necessary.
  • a plasticizer for example, phosphate esters, fatty acid esters, etc.
  • a film-forming aid for example, ethylene glycol or diethylene glycol
  • Alkyl ethers of propylene glycol or dipropylene glycol, etc. Alkyl ethers of propylene glycol or dipropylene glycol, etc.), pigments, dyes, antifoaming agents (for example, minerals, silicones, polyether surfactants, etc.), wetting agents, dispersants, thickeners ( For example, inorganic, organic, etc.), preservatives (eg, benzisothiazoline, triazine, etc.), antifreezing agents (eg, polyhydric alcohols, etc.), drying accelerators (eg, ethanol, isopropyl alcohol, etc.) Alcohol etc.), slip modifiers, UV absorbers (benzotriazoles, benzophenones, etc.), antioxidants (eg hinders) DOO phenolic, phosphate, can also contain other additives such as sulfur-based, etc.).
  • UV absorbers benzotriazoles, benzophenones, etc.
  • antioxidants eg hinders
  • the film-forming aid is a volatile water-soluble solvent necessary for continuously forming a resin dispersed in water during drying.
  • the peelable floor coating composition according to the present invention as described above can be applied to the floor surface by using a generally widely used tool such as a roller, mop, brush, or iron brush.
  • the coating composition is applied to the floor surface in such an amount that the thickness (dry film thickness) of the coating film formed on the floor surface is 20 ⁇ m or more (preferably 30 ⁇ m or more). This is because if the thickness of the coating film formed on the floor surface (dry film thickness) is less than 20 ⁇ m, the coating film is cut off at the time of peeling regardless of the performance such as the strength of the coating film. Because. Therefore, if necessary, the coating composition is overcoated on the floor surface so that the thickness (dry film thickness) of the coating film formed on the floor surface is 20 ⁇ m or more (preferably 30 ⁇ m or more). It is also possible to do.
  • Examples of the floor to which the peelable floor coating composition according to the present invention can be applied include chemical floors such as vinyl chloride, olefin, and rubber floors, and stone floors such as marble, granite, terrazzo, and ceramic tiles. Examples include, but are not limited to, those made of various materials such as wood floors such as flooring, linoleum and cork, and coated floors such as epoxy and urethane.
  • the edge of the coating film applied to the floor surface is turned up and peeled off with a cutter or the like, and scratches on the floor surface or tile joint portions. Even if it causes a crack or the like, it can be prevented that the tear generated in the coating film spreads in the peeling direction, and can be peeled off as a single continuous film. Since it can do, the fall of peeling workability
  • urethane resin urethane dispersion manufactured by ADEKA “Adekabon titer HUX-380 (trade name)”
  • release improver perfluorocarbon manufactured by AGC Seimi Chemical Co., Ltd.
  • Test body 2 By changing the type of urethane resin in the test body 1 (the urethane dispersion “Bondic 1940NS (trade name)” manufactured by Dainippon Ink & Chemicals, Inc.), the test body 2 was adjusted in the same manner as in the test body 1. Was made.
  • the urethane dispersion “Bondic 1940NS (trade name)” manufactured by Dainippon Ink & Chemicals, Inc. the urethane dispersion “Bondic 1940NS (trade name)” manufactured by Dainippon Ink & Chemicals, Inc.
  • Test body 3 By changing the type of the urethane resin in the test body 1 (the urethane dispersion “Superflex 150HS (trade name)” manufactured by Daiichi Kogyo Seiyaku Co., Ltd.), the test body 3 is adjusted in the same manner as in the test body 1. Produced.
  • Test body 4 By changing the type of the urethane resin in the test body 1 (urethane dispersion “ADEKA BON TITER HUX-386 (trade name)” manufactured by ADEKA Corporation), the test body 4 was adjusted in the same manner as in the test body 1. Produced.
  • Test body 5 By changing the type of the urethane resin in the test body 1 (the urethane dispersion “Bondic 8510 (trade name)” manufactured by Dainippon Ink and Chemicals, Inc.), the test body 5 was adjusted in the same manner as the test body 1. Was made.
  • the urethane dispersion “Bondic 8510 (trade name)” manufactured by Dainippon Ink and Chemicals, Inc. the urethane dispersion “Bondic 8510 (trade name)” manufactured by Dainippon Ink and Chemicals, Inc.
  • Test body 6 By changing the type of urethane resin in the test body 1 (the urethane dispersion “Hydran HW-171 (trade name)” manufactured by Dainippon Ink and Chemicals, Inc.), the test body was adjusted in the same manner as in the test body 1. 6 was produced.
  • the urethane dispersion “Hydran HW-171 (trade name)” manufactured by Dainippon Ink and Chemicals, Inc. the test body was adjusted in the same manner as in the test body 1. 6 was produced.
  • ⁇ Test body 7> By changing the type of urethane resin in the test body 1 (urethane dispersion “ADEKA BON TITER HUX-320 (trade name)” manufactured by ADEKA Co., Ltd.) Produced.
  • Test body 8 By changing the type of the urethane resin in the test body 1 (the urethane dispersion “Superflex 410 (trade name)” manufactured by Daiichi Kogyo Seiyaku Co., Ltd.), the test body 8 is adjusted in the same manner as in the test body 1. Produced.
  • ⁇ Test body 9> By changing the type of urethane resin in Specimen 1 (urethane dispersion made by ADEKA "ADEKA BON TITER HUX-232 (trade name)") Produced.
  • Test body 10 was produced by adjusting similarly to the test body 1 except having changed the kind of urethane resin in the test body 1 (urethane dispersion "HY870 (brand name)" by Air Products Japan Co., Ltd.).
  • test body 11 By changing the type of urethane resin in test body 1 (urethane dispersion manufactured by ADEKA Co., Ltd. “Adekabon titer HUX-350 (trade name)”), the test body 11 was adjusted in the same manner as in test body 1. Produced.
  • ⁇ Test body 12> Except that the urethane resin in the test body 1 is 74.0% by weight and 20.0% by weight of an acrylic resin (acrylic resin emulsion “DURAPLUS 3 (trade name)” manufactured by Rohm and Haas Japan Co., Ltd.) is added.
  • the test body 12 was prepared by adjusting in the same manner as the test body 1.
  • Test body 13 was prepared by adjusting in the same manner as the test body 1 except that the urethane resin in the test body 1 was changed to 69.0% by weight and the same acrylic resin as the test body 12 was added at 25.0% by weight. did.
  • Test body 14 Add urethane resin in test body 1 to 74.0% by weight and add 20.0% by weight of acrylic-urethane copolymer resin (acrylic-urethane copolymer dispersion “UC90 (trade name)” manufactured by Alberdingk Boley. Inc.). Except that, the test body 14 was prepared by adjusting in the same manner as the test body 1.
  • acrylic-urethane copolymer resin acrylic-urethane copolymer dispersion “UC90 (trade name)” manufactured by Alberdingk Boley. Inc.
  • ⁇ Test body 15> By changing the urethane resin in the specimen 1 to 54.0% by weight and adding 40.0% by weight of the same acrylic-urethane copolymer resin as the specimen 14, A body 15 was produced.
  • ⁇ Test body 16> By changing the urethane resin in the specimen 1 to 34.0% by weight and adding 60.0% by weight of the same acrylic-urethane copolymer resin as the specimen 14, A body 16 was produced.
  • the specimens 1 to 4 having not only a breaking strength of 10 MPa or more and a breaking elongation of 50% or more but also a tearing force of 0.3 or more have antifouling properties, peelability, and tear spread. Satisfactory results were obtained in all sexes.
  • the antifouling property was improved as compared with the specimen 1 to which the acrylic resin or the acrylic-urethane copolymer resin was not added.
  • the formed coating film was very fragile, and it was difficult to remove from the glass plate, and the physical properties could not be measured.
  • the breaking strength is 10 MPa or more and the breaking elongation is 50% or more
  • the test body 16 having a tearing force of 0.2 N has obtained satisfactory results in antifouling properties and peelability. The tearing spread has become low.
  • test bodies 12, 14, and 15 not only having a breaking strength of 10 MPa or more and a breaking elongation of 50% or more but also having a tearing force of 0.3 or more have antifouling properties, peelability, Satisfactory results were obtained in all of the splitting properties.
  • test bodies 1, 2, 12, and 14 having a tearing force of 1 N or more very excellent tear spreadability was exhibited.
  • a peelable material in which a raw material for forming a coating film mainly composed of a urethane resin having a tearing force of 0.3 N or more, a breaking strength of 10 MPa or more, and a breaking elongation of 50% or more is dispersed in water.
  • a raw material for forming a coating film mainly composed of a urethane resin having a tearing force of 0.3 N or more, a breaking strength of 10 MPa or more, and a breaking elongation of 50% or more is dispersed in water.
  • the floor covering composition it was confirmed that satisfactory tear spreadability could be obtained while sufficiently maintaining the antifouling property and the peelability.
  • the releasable floor coating composition according to the present invention can prevent a decrease in the peeling workability of the formed coating film, and thus can be used extremely beneficially industrially.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Paints Or Removers (AREA)
  • Floor Finish (AREA)

Abstract

L'invention porte sur une composition de revêtement pouvant être décollé pour planchers qui obtenue par la dispersion dans de l'eau d'une matière première formant un film de revêtement qui comporte une résine d'uréthane comme ingrédient majeur et qui présente une force de déchirure d'au moins 0,3 N, une résistance à la rupture d'au moins 10 MPa et un allongement à la rupture d'au moins 50 % ou plus. On peut empêcher le film de revêtement formé à partir de la composition d'avoir une efficacité de décollage médiocre.
PCT/JP2008/073691 2008-01-11 2008-12-26 Composition de revêtement pouvant être décollé pour plancher WO2009087922A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008003982A JP2009167237A (ja) 2008-01-11 2008-01-11 可剥離性床用被覆組成物
JP2008-003982 2008-01-11

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WO2009087922A1 true WO2009087922A1 (fr) 2009-07-16

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TW (1) TW200936715A (fr)
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013133431A (ja) * 2011-12-27 2013-07-08 Nippon Pro Kk 壁紙用防汚性被覆組成物
JP2016017116A (ja) * 2014-07-07 2016-02-01 スリーエム イノベイティブ プロパティズ カンパニー 床用コーティング剤

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5517537B2 (ja) 2009-09-25 2014-06-11 株式会社リンレイ 可剥離性床用被覆組成物
JP2011105857A (ja) * 2009-11-18 2011-06-02 Rinrei:Kk コーティング剤組成物
EP3521389A4 (fr) * 2016-09-29 2020-06-10 Nitto Denko Corporation Film de revêtement pour structure, ensemble de matériau de revêtement pour former un film de revêtement, matériau de revêtement pour sous-couche et procédé de revêtement
WO2020196433A1 (fr) * 2019-03-28 2020-10-01 日東電工株式会社 Composition de résine type dispersion aqueuse et film de revêtement

Citations (9)

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