WO2018174190A1 - 表面処理剤及びその製造方法 - Google Patents
表面処理剤及びその製造方法 Download PDFInfo
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- WO2018174190A1 WO2018174190A1 PCT/JP2018/011499 JP2018011499W WO2018174190A1 WO 2018174190 A1 WO2018174190 A1 WO 2018174190A1 JP 2018011499 W JP2018011499 W JP 2018011499W WO 2018174190 A1 WO2018174190 A1 WO 2018174190A1
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- FRPZSDDDKJAFBM-UHFFFAOYSA-N CC(C(F)(F)F)(C(C(C(F)(F)F)(C(F)(F)F)F)=C(C(F)(F)F)C(F)(F)F)F Chemical compound CC(C(F)(F)F)(C(C(C(F)(F)F)(C(F)(F)F)F)=C(C(F)(F)F)C(F)(F)F)F FRPZSDDDKJAFBM-UHFFFAOYSA-N 0.000 description 1
- VBRBBCULADIRFU-UHFFFAOYSA-N CC(C(F)(F)F)=C(C(C(F)(F)F)(C(F)(F)F)F)C(C(F)(F)F)(C(F)(F)F)F Chemical compound CC(C(F)(F)F)=C(C(C(F)(F)F)(C(F)(F)F)F)C(C(F)(F)F)(C(F)(F)F)F VBRBBCULADIRFU-UHFFFAOYSA-N 0.000 description 1
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08F20/00—Homopolymers and 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 a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/10—Esters
- C08F20/12—Esters of monohydric alcohols or phenols
- C08F20/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F20/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
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- 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
- C08F20/00—Homopolymers and 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 a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/10—Esters
- C08F20/22—Esters containing halogen
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F20/00—Homopolymers and 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 a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/10—Esters
- C08F20/26—Esters containing oxygen in addition to the carboxy oxygen
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—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 a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1806—C6-(meth)acrylate, e.g. (cyclo)hexyl (meth)acrylate or phenyl (meth)acrylate
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- 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
- C08F220/00—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 a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1808—C8-(meth)acrylate, e.g. isooctyl (meth)acrylate or 2-ethylhexyl (meth)acrylate
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- C09D5/022—Emulsions, e.g. oil in water
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
Definitions
- the present invention relates to a surface treatment agent and a method for producing the same, and in particular, a surface treatment agent containing a polymer useful as a mold release agent, a water / oil repellent agent, a buffer agent, and a resin adhesion preventive agent for rubber and resin containing FRP. And a manufacturing method thereof.
- Patent Document 3 discloses the production of a cured film using a surface-modifying agent containing a fluorine-containing copolymer having a fluorine content of 1% to 10% by mass and a condensed hydroxy fatty acid.
- An object of the present invention is to provide a surface treatment agent excellent in surface functionality such as water / oil repellency, releasability, buffering property, resin adhesion prevention property, and continuous releasability, and a method for producing the same.
- the present invention provides the following surface treatment agent and method for producing the same.
- Item 1 Surface treatment agent comprising the polymer according to any one of the following (I) to (III): (I) General formula (I)
- R 1A represents H or a methyl group.
- N is 1 to 24.
- a polymer comprising as a repeating unit at least one monomer having a linear hydrocarbon group represented by: (II) General formula (II)
- RF is a group represented by the following formula (1) or (2).
- R 1B is a divalent group having 2 to 50 carbon atoms.
- R 2 is H or a methyl group.
- Item 2 Item 11.
- the surface treating agent according to Item 1, comprising the following polymer (I) or (III): (I) General formula (I)
- a polymer comprising as a repeating unit at least one monomer having a linear hydrocarbon group represented by: (III) containing at least one monomer having the linear hydrocarbon group represented by the general formula (I) and at least one fluorine-containing monomer represented by the general formula (II) as repeating units, The polymer whose ratio of a fluorine monomer is 0% or more and 15% or less by mass.
- Item 3 The surface treating agent according to Item 1, comprising the polymer described in (II) below: (II) General formula (II)
- RF is a group represented by the following formula (1) or (2).
- R 1B is a divalent group having 2 to 50 carbon atoms.
- R 2 is H or a methyl group.
- Item 4. A monomer having a linear hydrocarbon group represented by the general formula (I); (A) a fluorine-containing monomer represented by the general formula (II), and / or (B) A polymer containing a monomer having a hydrophilic group as a repeating unit.
- Item 3. The surface treating agent according to Item 2.
- the polymer is a fluorine-containing monomer represented by the general formula (II) and the following monomers (A) and / or (B) and / or (C):
- the surface treating agent according to Item 3 which is a copolymer containing repeating units.
- Item 6. Item 6.
- Item 3 The surface treatment agent according to Item 1 or 2, wherein the surface treatment agent is one or two or more (meth) acrylates.
- Item 8. Item 6.
- Item 9. Item 9. The surface treating agent according to any one of Items 1 to 8, which is an aqueous emulsion.
- Item 11. Item 11.
- the surface treatment agent according to Item 10 wherein the surface treatment agent is a release agent for BR rubber.
- Item 12. Item 11. The surface treatment agent according to Item 10, wherein the surface treatment agent is a release agent for BR rubber or EPDM rubber.
- Item 13. Item 11. The surface treatment agent according to Item 10, wherein the surface treatment agent is a mold release agent for a thermosetting resin.
- Item 14. Item 10. The surface treatment agent according to any one of Items 1 to 9, wherein the surface treatment agent is a water / oil repellent agent.
- Item 15. Item 10. The surface treatment agent according to any one of Items 1 to 9, wherein the surface treatment agent is a buffer.
- Item 16. Item 10. The surface treatment agent according to any one of Items 1 to 9, wherein the surface treatment agent is a resin adhesion inhibitor.
- Item 17. The following general formula (I)
- RF is a group represented by the following formula (1) or (2).
- R 1B is a divalent group having 2 to 50 carbon atoms.
- R 2 is H or a methyl group.
- Item 18 The following structural formula (II)
- RF is a group represented by the following formula (1) or (2).
- R 1B is a divalent group having 2 to 50 carbon atoms.
- R 2 is H or a methyl group.
- a fluorine-containing monomer (A) a monomer having a linear hydrocarbon group, and / or (B) a monomer having a hydrophilic group and / or (C).
- the surface treatment agent of the present invention is excellent in surface functionality such as releasability, water / oil repellency, buffering property, resin adhesion prevention, and low surface tension.
- a release agent for rubber such as EPDM rubber and BR rubber and resin
- it is useful as a release agent having excellent release properties and continuous release properties.
- the surface treating agent of the present invention is also useful as a buffering agent and a resin adhesion preventing agent that are suitably used for composite molding such as resin molding and FRP.
- the outline of the releasability test of vinyl ester resin using a test piece is shown.
- the embodiment used as a buffer of the surface treating agent of the present invention is shown.
- (Meth) acrylate in the present specification means acrylate and / or methacrylate.
- the surface treatment agent of the present invention includes the polymer described in any of the following (I) to (III): (I) General formula (I)
- R 1A represents H or a methyl group.
- N is 1 to 24.
- a polymer comprising as a repeating unit at least one monomer having a linear hydrocarbon group represented by: (II) General formula (II)
- RF is a group represented by the following formula (1) or (2).
- R 1B is a divalent group having 2 to 50 carbon atoms.
- R 2 is H or a methyl group.
- R 1A represents H or a methyl group.
- N is 1 to 24.
- 1 type or 2 or more types (meth) acrylate which has the linear hydrocarbon group represented by these is mentioned.
- R 1A is H or a methyl group, preferably a methyl group.
- N is 1 to 24, preferably 3 to 22, and more preferably 5 to 22.
- the monomer having a linear hydrocarbon group examples include ethyl (meth) acrylate, propyl (meth) acrylate, butyl (meth) acrylate, pentyl (meth) acrylate, hexyl (meth) acrylate, and heptyl (meth).
- the monomer having a linear hydrocarbon group only one type of monomer may be used, or two or more types of monomers may be mixed and used.
- the monomer having a straight chain hydrocarbon group is preferably hexyl methacrylate, lauryl acrylate, stearyl methacrylate, or lauryl methacrylate.
- the monomer having a straight chain hydrocarbon group can be produced by a known method, or can be obtained as a commercial product.
- fluorine-containing monomer represented by the general formula (II) The fluorine-containing monomer represented by the general formula (II) is shown below:
- RF is a group represented by the following formula (1) or (2).
- R 1B is a divalent group having 2 to 50 carbon atoms.
- R 2 is H or a methyl group.
- the divalent group having 2 to 50 carbon atoms represented by R 1B may contain a hetero atom, and may be an aromatic group, a heteroaromatic group, a heterocyclic group, an aliphatic group, an alicyclic group. It may be a group. Specifically, the following groups are mentioned.
- X is an alkyl group having 1 to 3 carbon atoms (methyl, ethyl, propyl), an alkoxy group having 1 to 4 carbon atoms (methoxy, ethoxy, propoxy, butoxy, etc.), a halogen atom (F, CL, BR, I represents phenylene, biphenylene or naphthylene which may have 1 to 3 substituents selected from the group consisting of I)
- Y represents —O—CO—, —CO—O—, —CONH— or —NHCO.
- divalent group having 2 to 50 carbon atoms represented by R 1B include divalent groups having the following structures.
- R 2 is H or a methyl group, preferably a methyl group.
- the fluorine-containing monomer represented by the general formula (II) can be produced by a known method.
- the fluorine-containing monomer may be used alone or in combination of two or more.
- a monomer having a hydroxyl group and / or a polyethylene oxide chain is preferable.
- a hydroxyalkyl (meth) acrylate having 1 to 4 carbon atoms polyethylene glycol mono (meth) acrylate, polypropylene glycol mono (meth) Acrylates and the like, and specific examples include 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 2-hydroxybutyl (meth) acrylate, and polyethylene glycol mono (meth) acrylate. More preferred are 2-hydroxyethyl methacrylate and polyethylene glycol monomethacrylate. Examples of commercially available polyethylene glycol monomethacrylate include PE-90 and PE-200 manufactured by NOF Corporation.
- the monomer having a hydrophilic group can be produced by a known method, or can be obtained as a commercial product.
- (Monomer having a branched chain hydrocarbon group) Specific examples of the monomer having a branched chain hydrocarbon group include isopropyl (meth) acrylate, SEC-butyl (meth) acrylate, isobutyl (meth) acrylate, TERT-butyl (meth) acrylate, isopentyl (meth) acrylate, Isohexyl (meth) acrylate, isoheptyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, isononyl (meth) acrylate, isodecyl (meth) acrylate, isoundecyl (meth) acrylate, isododecyl (meth) acrylate, isotridecyl (meth) acrylate, Isotetradecyl (meth) acrylate, isopentadecyl (meth) acrylate, isopal
- the monomer having a branched chain hydrocarbon group is preferably 2-ethylhexyl methacrylate, isooctyl methacrylate, isodecyl methacrylate, isostearyl methacrylate, isononyl acrylate, TERT-butyl methacrylate, isobutyl methacrylate, or isoamyl acrylate.
- the monomer having a branched chain hydrocarbon group can be produced by a known method, or can be obtained as a commercial product.
- (Monomer having an alicyclic hydrocarbon group) Specific examples of the monomer having an alicyclic hydrocarbon group include cyclopropyl (meth) acrylate, cyclobutyl (meth) acrylate, cyclopentyl (meth) acrylate, cyclohexyl (meth) acrylate, cycloheptyl (meth) acrylate, Octyl (meth) acrylate, decalinyl (meth) acrylate, bicyclodecalinyl (meth) acrylate, isobornyl (meth) acrylate, dicyclopentanyl (meth) acrylate, dicyclopentenyl (meth) acrylate, adamantyl (meth) acrylate, Examples thereof include cyclohexyl (meth) acrylate and TERT-butylcyclohexyl (meth) acrylate.
- the monomer having an alicyclic hydrocarbon group is preferably isobornyl methacrylate, isobornyl acrylate, dicyclopentanyl methacrylate, dicyclopentanyl acrylate, dicyclopentenyl methacrylate, dicyclopentenyl acrylate, adamantyl methacrylate, cyclohexyl methacrylate, TERT-butylcyclohexyl methacrylate.
- the monomer having an alicyclic hydrocarbon group can be produced by a known method, or can be obtained as a commercial product.
- (Monomer containing heteroaliphatic group or heterocyclic ring) Specific examples of the monomer containing a heteroaliphatic group or a heterocyclic ring include tetrahydrofurfuryl (meth) acrylate, phenoxyethyl (meth) acrylate, methoxyethyl (meth) acrylate, ethyl carbitol (meth) acrylate, glycidyl ( (Meth) acrylate, methoxypolyethylene glycol (meth) acrylate, methoxypolypropylene glycol (meth) acrylate, 3,4-epoxycyclohexylmethyl (meth) acrylate, cyclic trimethylolpropane formal (meth) acrylate, (3-ethyloxetane-3- Yl) methyl (meth) acrylate, (2-methyl-2-ethyl-1,3-dioxolan-4-yl) methyl (meth) acryl
- the monomer containing a heteroaliphatic group or a heterocycle only one kind of monomer may be used, or two or more kinds of monomers may be mixed and used.
- the monomer containing a heteroaliphatic group or a heterocyclic ring is preferably glycidyl methacrylate, diethyl acrylamide, or ethyl carbitol acrylate.
- a monomer containing a heteroaliphatic group or a heterocyclic ring can be produced by a known method, or can be obtained as a commercial product.
- Monomers containing aromatic rings Specific examples of the monomer containing an aromatic ring include phenyl (meth) acrylate, hydroxyphenyl (meth) acrylate, chlorophenyl (meth) acrylate, benzyl (meth) acrylate, methoxybenzyl (meth) acrylate, and chlorobenzyl (meth).
- hydroxybenzyl (meth) acrylate, phenethyl (meth) acrylate, hydroxyphenethyl (meth) acrylate, phenoxymethyl (meth) acrylate, phenoxyethyl (meth) acrylate, dihydroxyphenethyl (meth) acrylate, furfuryl (meth) acrylate be able to.
- the monomer containing an aromatic ring only one type of monomer may be used, or two or more types of monomers may be mixed and used.
- Preferred examples of the monomer containing an aromatic ring include benzyl methacrylate, benzyl acrylate, and phenoxyethyl methacrylate.
- the monomer containing an aromatic ring can be produced by a known method, or can be obtained as a commercial product.
- the polymer used in the surface treatment agent of the present invention contains, as an essential component, a monomer having a linear hydrocarbon group represented by the general formula (I) as a repeating unit. .
- the polymer of the first embodiment may be a homopolymer of a monomer having a linear hydrocarbon group represented by the general formula (I), and may be a linear hydrocarbon represented by the general formula (I) It may be a copolymer of a monomer having a group and another monomer.
- a homopolymer of a monomer having a linear hydrocarbon group represented by the general formula (I) the ratio of the fluorine-containing monomer in the polymer is 0% by mass.
- Other monomers include (A) a fluorine-containing monomer represented by the general formula (II), (B) The monomer which has a hydrophilic group is mentioned.
- the polymer of the present invention comprises: (1) Polymer of at least one monomer having a linear hydrocarbon group represented by the general formula (I) (2) Copolymer of at least one monomer having a linear hydrocarbon group represented by general formula (I) and at least one fluorine-containing monomer represented by general formula (II) (3) Copolymer of at least one monomer having a linear hydrocarbon group represented by the general formula (I) and a monomer having at least one hydrophilic group (4) at least one monomer having a linear hydrocarbon group represented by the general formula (I), at least one fluorine-containing monomer represented by the general formula (II), and at least one hydrophilic group. And a copolymer of monomers.
- the amount used is preferably 5 to 100% by mass with respect to the total amount of the resulting polymer. More preferably, it is 10 to 90%.
- the fluorine-containing monomer represented by the general formula (II) is preferably 0 to 15%, more preferably 0 to 10% by mass with respect to the total amount of the obtained polymer. More preferably, it is 5 to 10%.
- the amount used is preferably 0 to 30% by mass, more preferably 0 to 20%, based on the total amount of the copolymer obtained. %.
- the polymer used in the fluorine-based surface treating agent of the present invention may be a homopolymer of a fluorine-containing monomer represented by the general formula (II), and may be represented by the general formula (II) And the following monomers (A) and / or (B) and / or (C):
- a copolymer may be included.
- the ratio of the fluorine-containing monomer represented by the general formula (II) is 15% or more by mass, preferably more than 15%.
- the amount used is preferably 0 to 0 when the total amount of the resulting copolymer is 100 parts by mass.
- the amount is 70 parts by mass, and more preferably 0 to 50 parts by mass.
- the fluorine-containing monomer represented by the general formula (II) is usually 15 to 100 parts by mass, preferably 15 to 95 parts by mass, when the total amount of the obtained polymer is 100 parts by mass. More preferably, it is 15 to 90 parts by mass.
- the amount used is preferably 0 to 30% by mass, more preferably 0 to 20%, based on the total amount of the copolymer to be obtained. %.
- the amount used is preferably 0 to 70% by mass, more preferably 0%, based on the total amount of the copolymer to be obtained. ⁇ 50%.
- the amount used is preferably 0 to 70% by mass, more preferably based on the total amount of the copolymer obtained. 0 to 50%.
- the amount used is preferably 0 to 70% by mass, more preferably based on the total amount of the copolymer to be obtained. Is 0 to 50%.
- the amount used is preferably 0 to 70% by mass, more preferably 0 to 50% based on the total amount of the copolymer obtained. It is.
- An aqueous dispersion excellent in continuous releasability can be formed by setting the amount of fluorine-containing monomer used to 15% or more by mass.
- Polymer of the present invention When the polymer of the present invention contains two or more types of monomers as raw materials, it may be a random copolymer or a block copolymer.
- the weight average molecular weight (MW) of the homopolymer or copolymer of the present invention is usually 2000 to 100,000, preferably 3000 to 80,000, more preferably 5000 to 60000.
- the weight average molecular weight can be measured by a GPC method using standard polystyrene.
- the polymer used in the surface treatment agent of the present invention is produced by homopolymerizing or copolymerizing at least one monomer having a linear hydrocarbon group of the general formula (I). And (A) at least one fluorine-containing monomer represented by general formula (II) and / or (B) hydrophilic It may be produced by copolymerizing a monomer containing at least one kind having a functional group.
- the polymer used in the surface treatment agent of the present invention may be produced by homopolymerizing the fluorine-containing monomer of the general formula (II), or the fluorine-containing monomer of the general formula (II) And (A) a monomer having a linear hydrocarbon group, and / or (B) a monomer having a hydrophilic group and / or (C) a monomer having a branched chain hydrocarbon group, a monomer having an alicyclic hydrocarbon group Alternatively, it may be produced by copolymerizing at least one monomer selected from the group consisting of a monomer containing a heteroaliphatic group or heterocycle and a monomer containing an aromatic ring.
- a known method can be employed, and examples thereof include a solution polymerization method, an emulsion polymerization method, and a bulk polymerization method.
- a known method can be employed, and examples thereof include a solution polymerization method, an emulsion polymerization method, and a bulk polymerization method.
- the form of the surface treatment agent of the present invention is not particularly limited and can be appropriately selected depending on the application.
- it can be used in the form of a solution or an emulsion, and is preferably an aqueous emulsion.
- the copolymer produced by the emulsion polymerization method can be used as it is or diluted with water or a solvent.
- each monomer in a desired ratio is emulsified in water in the presence of a polymerization initiator, an emulsifier, and an emulsification aid, and stirred at 50 to 90 ° C. for 1 to 10 hours for copolymerization. .
- the surface treatment agent of the present invention is an aqueous emulsion
- it may contain an emulsifier, an emulsification aid, and a chain transfer agent.
- the emulsifier, the emulsification aid and the chain transfer agent the same compounds as those used in the production by emulsion polymerization can be used.
- the solvent is not particularly limited as long as the copolymer is soluble.
- alcohols such as methanol, ethanol and isopropyl alcohol, ketones such as acetone and methyl ethyl ketone, esters such as ethyl acetate and butyl acetate, aromatic hydrocarbons such as toluene and xylene, ethers such as diethyl ether, diethylene glycol monoethyl Examples include alkylene glycol monoethers such as ether, alkylene glycol diethers such as diethylene glycol diethyl ether, tetrahydrofuran, and 1,4-dioxane. These solvent components can be used alone or in combination of two or more at any ratio.
- the polymerization initiator is not particularly limited, and for example, organic peroxides, azo compounds, persulfates and the like can be used.
- a water-soluble azo compound is preferable, and for example, 2,2′-azobis [N- (2-hydroxyethyl) -2-methylpropanamide] is preferably used.
- the polymerization initiator can be used in an amount of 0.01 to 1% by weight, preferably 0.05 to 1% by weight, based on the total amount of monomers.
- An anionic, cationic or nonionic surfactant can be used as the emulsifier.
- Nonionic surfactants are preferred, and polyoxyethylene oxide addition type nonionic surfactants are preferred.
- reaction products of polyethylene oxide with alcohols such as aliphatic alcohols and aromatic alcohols, alkyl ethers, oleic acid C12 to C18 alkylamines, sorbitan monofatty acids and the like are used.
- the emulsifier can be used usually in the range of 1 to 40% by mass, preferably 10 to 40% by mass, based on the total amount of monomers.
- an alcohol compound or a glycol compound can be used as the emulsification aid.
- the alcohol compound include methanol, ethanol, isopropyl alcohol, and propanol.
- isopropyl alcohol can be used.
- the emulsification aid is usually used in the range of 1 to 30% by mass, preferably 5 to 20% by mass, based on the total amount of monomers.
- a chain transfer agent can be used for molecular weight adjustment, and alkyl mercaptans such as N-octyl mercaptan, N-dodecyl mercaptan, TERT-dodecyl mercaptan are preferably used.
- the respective monomers are mixed in a desired ratio, an appropriate amount of a polymerization initiator is added, and the mixture is stirred in the presence of a solvent at a temperature of 60 ° C. to 100 ° C., for example, about 85 ° C. for 3 to 15 hours. To carry out the polymerization.
- the solvent is not particularly limited as long as it is a solvent capable of dissolving the copolymer.
- alcohols such as methanol, ethanol and isopropyl alcohol, ketones such as acetone and methyl ethyl ketone, esters such as ethyl acetate and butyl acetate, Aromatic hydrocarbons such as toluene and xylene, ethers such as diethyl ether, alkylene glycol monoethers such as diethylene glycol monoethyl ether, alkylene glycol diethers such as diethylene glycol diethyl ether, tetrahydrofuran, 1,4-dioxane Can do.
- solvent components can be used alone or in combination of two or more at any ratio.
- the surface treatment agent of the present invention is a rust preventive agent, catalyst, antibacterial agent, flame retardant, surfactant, antifoaming agent, thickener, viscosity modifier, leveling agent, within the range not impairing the object of the present invention.
- the surface treatment agent of the present invention can be used as a mold release agent, a buffer agent, a water / oil repellent agent, a resin adhesion preventive agent, a flux scooping preventive agent, an antifouling agent, a moistureproof agent, and an oil barrier agent.
- the molding material that is released using this surface treatment agent is not particularly limited.
- urethane rubber H-NBR, NBR, silicone rubber, EPDM, CR, NR, fluororubber, SBR, BR, IIR And rubber
- IR urethane foam
- epoxy resin polyimide resin, polyamide resin, urea resin, polyurethane, silicone resin, alkyd resin, phenol resin, unsaturated polyester resin, vinyl ester resin and FRP (glass fiber reinforced)
- Thermosetting resins such as plastic (GFRP), carbon fiber reinforced plastic (CFRP), aramid fiber reinforced plastic (AFRP)), PP (polypropylene), PE (polyethylene), PVC (polyvinyl chloride), PS (polystyrene) ), PA (polyamide), polyester Tellurium, polycarbonate, ABS resin, poly (meth) acrylic acid, polyacetal, polyvinylidene fluoride, polyphenylene sulfide, polyether imide, polyether ether ketone, FRTP (glass fiber reinforced thermoplastic resin (GFRTP (
- FIG. 2 shows an embodiment in which the surface treatment agent of the present invention is used as a buffer.
- the material X is not particularly limited.
- metals such as aluminum, SUS, and iron, resins such as PP, PE, and epoxy, rubber, FRP (fiber reinforced plastic), a gypsum base material, and a wooden base material And composite materials.
- the material Y is not particularly limited, and examples thereof include rubber and resin, and specifically, rubbers such as urethane rubber, H-NBR, NBR, silicone rubber, fluoro rubber, CR, NR, SBR, IIR and IR.
- thermosetting resins such as composite materials, urethane foams, epoxy resins, phenol resins, unsaturated polyester resins, and FRP, and thermoplastic resins such as PP, PE, PVC, and PS.
- the surface treatment agent of the present invention when used as a mold release agent, it can be used by applying it to the mold surface and drying it.
- the coating method is not particularly limited, and examples thereof include spray coating, brush coating, roll coater coating, and dipping coating.
- the drying method include a method of forming a film by evaporating the solvent by air drying or heating.
- the adhesion amount of the non-volatile component in the release agent composition to be adhered to the mold is generally 0.01 to 10 G / M 2 , preferably 0.1 to 10 G / M 2 , which Releasability is obtained.
- the surface treatment agent can be used as a buffer for FRP.
- FRP fluorescence-regnated resin
- thermosetting resin or thermoplastic resin for example, thermosetting resin or thermoplastic resin
- the surface treatment agent of the present invention is applied to the surface of a material (for example, a molding die) in contact with the FRP, thereby preventing the adhesion between the FRP and the material. be able to.
- thermosetting resin used in FRP examples include unsaturated polyester resin (UP), vinyl ester resin (VE), epoxy resin, and phenol resin (PF).
- thermoplastic resin polycarbonate resin (PC) is used.
- PC polycarbonate resin
- PE Polyethylene resin
- PET polyester resin
- PA polyamide resin
- PVC vinyl chloride resin
- Synthesis Examples 2A-6A A copolymer was produced in the same manner as in Synthesis Example 1A, except that the ratios of the fluorine-containing monomer, monomer A (monomer of component (A)), and monomer B (monomer of component (B)) were changed.
- the monomer ratio and the monomer type are as shown in Table 1.
- Table 1 the number of the fluorine-containing monomer ratio in the copolymer represents mass%, and F-1, A-1, A-2, A-3, A-4, B-1, B-2, B-3. The number of represents a mass part.
- Example 1A The obtained aqueous dispersion was diluted with ion-exchanged water so as to be 1% by mass, and a continuous mold release test was performed using BR rubber. The results are shown in Table 1.
- Synthesis Examples 2B to 10B, Synthesis Examples 1C to 14C In the same manner as in Synthesis Example 1B, the ratios of fluorine-containing monomer, monomer A (monomer having a linear hydrocarbon group of component (A)), and monomer B (monomer having a hydrophilic group of component (B)) were changed. Thus, a copolymer was produced.
- the monomer ratio and the monomer type are as shown in Table 2, Table 4, Table 5, and Table 7.
- the number of the fluorine-containing monomer ratio in the copolymer represents mass%, and F-11, F-12, A-11, A-12, A-13, A-14, B-11, B-12. The number of represents a mass part.
- Example 1B The obtained aqueous dispersion was diluted with ion-exchanged water so as to be 3% by mass, and a mold release test was conducted.
- a spray gun (“Cup Gun W-” manufactured by Anest Iwata Co., Ltd.) was used to dilute the aqueous dispersion 2.0G diluted in an iron mold (molded product shape: diameter 3.0CM, height 3.0CM) heated to 180 ° C. 101 "; aperture 1MM).
- Peroxide vulcanized rubber (EPDM) 8.0G was placed in a mold and press molded at 180 ° C. for 8 minutes.
- the mold release performance was evaluated by measuring the load at the time of taking out the molded product using a push-pull scale.
- Example 5B A 1% by mass tetrahydrofuran solution of the copolymer of Synthesis Example 2B was prepared, and the solution was applied to a SUS test piece. After drying at room temperature, the contact angles of water and hexadecane on the coated surface were measured at room temperature with a contact angle measuring device (DROPMASTER 700 manufactured by Kyowa Interface Chemical). The evaluation results are shown in Table 3.
- Examples 6B-9B The releasability and continuous releasability were evaluated by the same method except that the rubber type was changed from EPDM rubber to BR rubber as compared with Example 1B. The evaluation results are shown in Table 4.
- a contact angle of 74 ° for hexadecane is a very preferable value, and it is considered that the fluorine-based surface treatment agent of the present invention has excellent releasability.
- Example 1C Using each fluorine acrylate shown in Table 5, a mold release test was performed under the following evaluation conditions and evaluation methods.
- Resin raw material Vinyl ester resin (FRP) Molding machine: Hydraulic molding machine (70TON press) Pressing pressure: 0.8-1.5 MPA Pressurization time: 2 minutes
- Evaluation mold Chrome-plated iron test mold Temperature: 140 ° C Release agent coating amount: about 150 G / M 2 Mold release agent applicator: Anest Iwata W-101 (cup gun, air pressure: 0.2MPA)
- Evaluation method and mold release test (1) A release agent was applied to a heated mold. (2) The resin raw material was placed in a mold, and the resin raw material was cured under heating and pressure conditions.
- Synthetic Examples 1C to 12C were prepared in the same manner as in Synthetic Example 1B, except that the proportions of fluorine acrylate, alkyl acrylate, and hydrophilic acrylate were changed.
- Example 4C Using each fluorine acrylate shown in Table 7, a mold release test was performed under the following evaluation conditions and evaluation methods.
- Evaluation conditions Resin raw material: Epoxy resin Heating time: 40 minutes
- Evaluation mold Chrome-plated iron test mold temperature: 135-145 ° C
- Release agent coating amount about 150 G / M 2
- Release agent applicator W-101 manufactured by Anest Iwata (cup gun, air pressure; 0.2MPA)
- a release agent was applied to a heated mold.
- the resin material was poured into a mold provided with a clip and heated to cure the resin material.
- the clip was pulled to measure the load when the molded product was peeled off from the mold to obtain the release force.
- a practical use level of the release force is 60 N or less.
- Secondary workability (paintability) test (1) Spray coating was performed on the surface of the molded product that was in contact with the mold. (2) Allowed to stand at room temperature for 24 hours until the coating was dry. (3) A tape was attached to the surface of the molded product. (4) The tape was peeled off and the presence or absence of paint peeling was confirmed.
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Abstract
Description
項1. 以下の(I)~(III)のいずれかに記載の重合体を含む表面処理剤:
(I) 一般式(I)
で表される直鎖炭化水素基を有する少なくとも1種のモノマーを繰り返し単位として含む重合体、
(II) 一般式(II)
で表される少なくとも1種の含フッ素モノマーを繰り返し単位として含み、含フッ素モノマーの割合が質量で15%以上である重合体、
(III) 一般式(I)で表される前記直鎖炭化水素基を有する少なくとも1種のモノマーと前記一般式(II)で表される少なくとも1種の含フッ素モノマーを繰り返し単位として含み、前記フッ素モノマーの割合が質量で0%以上15%以下である重合体。
項2. 以下の(I)又は(III)の重合体を含む項1に記載の表面処理剤:
(I) 一般式(I)
で表される直鎖炭化水素基を有する少なくとも1種のモノマーを繰り返し単位として含む重合体、
(III) 一般式(I)で表される前記直鎖炭化水素基を有する少なくとも1種のモノマーと前記一般式(II)で表される少なくとも1種の含フッ素モノマーを繰り返し単位として含み、前記フッ素モノマーの割合が質量で0%以上15%以下である重合体。
項3. 以下の(II)に記載の重合体を含む、項1に記載の表面処理剤:
(II) 一般式(II)
で表される少なくとも1種の含フッ素モノマーを繰り返し単位として含み、含フッ素モノマーの割合が質量で15%以上である重合体。
項4. 前記重合体が、一般式(I)で表される直鎖炭化水素基を有するモノマーと、
(A)前記一般式(II)で表される含フッ素モノマー、及び/又は
(B)親水性基を有するモノマー
を繰り返し単位として含む重合体である。項2に記載の表面処理剤。
項5. 前記重合体が、一般式(II)で表される含フッ素モノマーと、以下の(A)及び/又は(B)及び/又は(C)のモノマー:
(A)直鎖炭化水素基を有するモノマー
(B)親水性基を有するモノマー
(C)分岐鎖炭化水素基を有するモノマー、脂環式炭化水素基を有するモノマー、ヘテロ脂肪族基またはヘテロ環を含むモノマー及び芳香環を含むモノマーからなる群から選ばれる少なくとも1種のモノマー
を繰り返し単位として含む共重合体である、項3に記載の表面処理剤。
項6. 一般式(I)で表される直鎖炭化水素基を有するモノマーが、1種、または、2種以上の(メタ)アクリレートである、項1~5のいずれか1項に記載の表面処理剤。
項7. (A) 直鎖炭化水素基を有するモノマーが、一般式(I)
で表される1種、または、2種以上の(メタ)アクリレートである、項1又は2に記載の表面処理剤。
項8. (B)親水性基を有するモノマーが、水酸基及び/又はポリエチレンオキサイド鎖を有するモノマーである、項4又は5に記載の表面処理剤。
項9. 水性エマルションである項1~8のいずれか1項に記載の表面処理剤。
項10. 前記表面処理剤が離型剤である、項1~9のいずれか1項に記載の表面処理剤。
項11. 前記表面処理剤がBRゴム用の離型剤である、項10に記載の表面処理剤。
項12. 前記表面処理剤がBRゴム又はEPDMゴムの離型剤である、項10に記載の表面処理剤。
項13. 前記表面処理剤が熱硬化性樹脂用の離型剤である、項10に記載の表面処理剤。
項14. 前記表面処理剤が撥水撥油剤である、項1~9のいずれか1項に記載の表面処理剤。
項15. 前記表面処理剤が緩衝剤である、項1~9のいずれか1項に記載の表面処理剤。
項16. 前記表面処理剤が樹脂付着防止剤である、項1~9のいずれか1項に記載の表面処理剤。
項17. 以下の一般式(I)
で表される直鎖炭化水素基を有するモノマーを必要に応じて
(A) 一般式(II)
で表される含フッ素モノマー、及び/又は
(B)親水性基を有するモノマー、
と重合する工程を含み、前記重合体中の含フッ素モノマーの割合が質量で0%以上15%以下であることを特徴とする、表面処理剤の製造方法。
項18. 以下の構造一般式(II)
で表される含フッ素モノマーを単独重合するか、或いは、前記含フッ素モノマーを(A)直鎖炭化水素基を有するモノマー、及び/又は(B)親水性基を有するモノマー及び/又は(C) 分岐鎖炭化水素基を有するモノマー、脂環式炭化水素基を有するモノマー、ヘテロ脂肪族基またはヘテロ環を含むモノマー及び芳香環を含むモノマーからなる群から選ばれる少なくとも1種のモノマーと共重合して、前記含フッ素モノマーを繰り返し単位とする重合体を得る工程を含み、前記重合体中の前記含フッ素モノマーの割合が15質量%以上であることを特徴とする、表面処理剤の製造方法。
(I) 一般式(I)
で表される直鎖炭化水素基を有する少なくとも1種のモノマーを繰り返し単位として含む重合体、
(II) 一般式(II)
で表される少なくとも1種の含フッ素モノマーを繰り返し単位として含み、含フッ素モノマーの割合が質量で15%以上である重合体、
(III) 一般式(I)で表される前記直鎖炭化水素基を有する少なくとも1種のモノマーと前記一般式(II)で表される少なくとも1種の含フッ素モノマーを繰り返し単位として含み、前記フッ素モノマーの割合が質量で0%以上15%以下である重合体。
直鎖炭化水素基を有するモノマーとしては、一般式(I)
で表される直鎖炭化水素基を有する1種、または、2種以上の(メタ)アクリレートが挙げられる。
一般式(II)で表される含フッ素モノマーを以下に示す:
R1Bで表される炭素原子数が2~50の二価の基としては、ヘテロ原子を含んでいてもよく、芳香族基、ヘテロ芳香族基、ヘテロ環基、脂肪族基、脂環式基であってもよい。具体的には、以下の基が挙げられる。
-X-Y-(CH2)N2- (N2=2~43)
-X-(CH2)N3- (N3=1~44)
-CH2CH2(OCH2CH2)N4- (N4=1~24)
-XCO(OCH2CH2)N5- (N5=1~21)
(式中、Xは炭素数1~3のアルキル基(メチル、エチル、プロピル)、炭素数1~4のアルコキシ基(メトキシ、エトキシ、プロポキシ、ブトキシなど)、ハロゲン原子(F,CL,BR,I)からなる群から選ばれる置換基を1~3個有していてもよいフェニレン、ビフェニレンもしくはナフチレンを示す。Yは、-O-CO-、-CO-O-、-CONH-または-NHCO-を示す。)
Xは1,2-フェニレン、1,3-フェニレン、1,4-フェニレンが好ましく、1,4-フェニレンが特に好ましい。
-C6H4OCO(CH2)N2- (N2=2~10)
-C6H4(CH2)N3- (N3=1~10)
-CH2CH2(OCH2CH2)N4- (N4=1~10)
-C6H4CO(OCH2CH2)N5- (N5=1~10)
R2はH又はメチル基であり、好ましくはメチル基である。
親水性基を有するモノマーとしては、水酸基及び/又はポリエチレンオキサイド鎖を有するモノマーが好ましく、例えば炭素数1~4のヒドロキシアルキル(メタ)アクリレート、ポリエチレングリコールモノ(メタ)アクリレート、ポリプロピレングリコールモノ(メタ)アクリレート等が挙げられ、具体的には2-ヒドロキシエチル(メタ)アクリレート、2-ヒドロキシプロピル(メタ)アクリレート、2-ヒドロキシブチル(メタ)アクリレート、ポリエチレングリコールモノ(メタ)アクリレートを挙げることができ、より好ましくは2-ヒドロキシエチルメタクリレート、ポリエチレングリコールモノメタクリレートである。ポリエチレングリコールモノメタクリレートの市販品としては、日油(株)製 PE‐90、PE‐200等を挙げることができる。
分岐鎖炭化水素基を有するモノマーとしては、具体的には、イソプロピル(メタ)アクリレート、SEC-ブチル(メタ)アクリレート、イソブチル(メタ)アクリレート、TERT-ブチル(メタ)アクリレート、イソペンチル(メタ)アクリレート、イソヘキシル(メタ)アクリレート、イソヘプチル(メタ)アクリレート、2-エチルヘキシル(メタ)アクリレート、イソノニル(メタ)アクリレート、イソデシル(メタ)アクリレート、イソウンデシル(メタ)アクリレート、イソドデシル(メタ)アクリレート、イソトリデシル(メタ)アクリレート、イソテトラデシル(メタ)アクリレート、イソペンタデシル(メタ)アクリレート、イソパルミチル(メタ)アクリレート、イソヘプタデシル(メタ)アクリレート、イソステアリル(メタ)アクリレート、イソアミル(メタ)アクリレートを挙げることができる。分岐鎖炭化水素基を有するモノマーは1種のみのモノマーを使用してもよいし2種以上のモノマーを混合して使用してもよい。分岐鎖炭化水素基を有するモノマーとして好ましくは、2-エチルヘキシルメタクリレート、イソオクチルメタクリレート、イソデシルメタクリレート、イソステアリルメタクリレート、イソノニルアクリレート、TERT-ブチルメタクリレート、イソブチルメタクリレート、イソアミルアクリレートである。
脂環式炭化水素基を有するモノマーとしては、具体的には、シクロプロピル(メタ)アクリレート、シクロブチル(メタ)アクリレート、シクロペンチル(メタ)アクリレート、シクロヘキシル(メタ)アクリレート、シクロヘプチル(メタ)アクリレート、シクロオクチル(メタ)アクリレート、デカリニル(メタ)アクリレート、ビシクロデカリニル(メタ)アクリレート、イソボルニル(メタ)アクリレート、ジシクロペンタニル(メタ)アクリレート、ジシクロペンテニル(メタ)アクリレート、アダマンチル(メタ)アクリレート、シクロヘキシル(メタ)アクリレート、TERT-ブチルシクロヘキシル(メタ)アクリレートを挙げることができる。脂環式炭化水素基を有するモノマーは1種のみのモノマーを使用してもよいし2種以上のモノマーを混合して使用してもよい。脂環式炭化水素基を有するモノマーとして好ましくはイソボルニルメタクリレート、イソボルニルアクリレート、ジシクロペンタニルメタクリレート、ジシクロペンタニルアクリレート、ジシクロペンテニルメタクリレート、ジシクロペンテニルアクリレート、アダマンチルメタクリレート、シクロヘキシルメタクリレート、TERT-ブチルシクロヘキシルメタクリレートである。
ヘテロ脂肪族基またはヘテロ環を含むモノマーとしては、具体的には、テトラヒドロフルフリル(メタ)アクリレート、フェノキシエチル(メタ)アクリレート、メトキシエチル(メタ)アクリレート、エチルカルビトール(メタ)アクリレート、グリシジル(メタ)アクリレート、メトキシポリエチレングリコール(メタ)アクリレート、メトキシポリプロピレングリコール(メタ)アクリレート、3,4-エポキシシクロヘキシルメチル(メタ)アクリレート、環状トリメチロールプロパンホルマール(メタ)アクリレート、(3-エチルオキセタン-3-イル)メチル(メタ)アクリレート、(2-メチル-2-エチル-1,3-ジオキソラン-4-イル)メチル(メタ)アクリレート、ジメチルアミノエチル(メタ)アクリレート、不飽和脂肪酸ヒドロキシアルキルエステル修飾ε-カプロラクトン、ペンタメチルピペリジニルメタクリレート、テトラメチルピペリジニルメタクリレート、アクリロイルモルフォリン、ジメチルアクリルアミド、イソプロピルアクリルアミド、ジエチルアクリルアミド、ジメチルアミノプロピルアクリルアミド等を挙げることができる。ヘテロ脂肪族基またはヘテロ環を含むモノマーは1種のみのモノマーを使用してもよいし2種以上のモノマーを混合して使用してもよい。ヘテロ脂肪族基またはヘテロ環を含むモノマーとして好ましくはグリシジルメタクリレート、ジエチルアクリルアミド、エチルカルビトールアクリレートである。
芳香環を含むモノマーとしては、具体的には、フェニル(メタ)アクリレート、ヒドロキシフェニル(メタ)アクリレート、クロロフェニル(メタ)アクリレート、ベンジル(メタ)アクリレート、メトキシベンジル(メタ)アクリレート、クロロベンジル(メタ)アクリレート、ヒドロキシベンジル(メタ)アクリレート、フェネチル(メタ)アクリレート、ヒドロキシフェネチル(メタ)アクリレート、フェノキシメチル(メタ)アクリレート、フェノキシエチル(メタ)アクリレート、ジヒドロキシフェネチル(メタ)アクリレート、フルフリル(メタ)アクリレートを挙げることができる。芳香環を含むモノマーは1種のみのモノマーを使用してもよいし2種以上のモノマーを混合して使用してもよい。芳香環を含むモノマーとして好ましくはベンジルメタクリレート、ベンジルアクリレート、フェノキシエチルメタクリレートである。
本発明の第1の好ましい実施形態において、本発明の表面処理剤に用いられる重合体は、必須成分として、一般式(I)で表される直鎖炭化水素基を有するモノマーを繰り返し単位として含む。
(A)前記一般式(II)で表される含フッ素モノマー、
(B)親水性基を有するモノマー
が挙げられる。第1の実施形態において、本発明の重合体は、
(1) 一般式(I)で表される直鎖炭化水素基を有する少なくとも1種のモノマーの重合体
(2) 一般式(I)で表される直鎖炭化水素基を有する少なくとも1種のモノマーと一般式(II)で表される少なくとも1種の含フッ素モノマーの共重合体
(3) 一般式(I)で表される直鎖炭化水素基を有する少なくとも1種のモノマーと少なくとも1種の親水性基を有するモノマーの共重合体
(4) 一般式(I)で表される直鎖炭化水素基を有する少なくとも1種のモノマーと一般式(II)で表される少なくとも1種の含フッ素モノマーと少なくとも1種の親水性基を有するモノマーの共重合体
を含む。
本発明の第2の好ましい実施形態において、本発明のフッ素系表面処理剤に用いられる重合体は、一般式(II)で表される含フッ素モノマーの単独重合体でもよく、一般式(II)で表される含フッ素モノマーと、以下の(A)及び/又は(B)及び/又は(C)のモノマー:
(A)直鎖炭化水素基を有するモノマー
(B)親水性基を有するモノマー
(C)分岐鎖炭化水素基を有するモノマー、脂環式炭化水素基を有するモノマー、ヘテロ脂肪族基またはヘテロ環を含むモノマー及び芳香環を含むモノマーからなる群から選ばれる少なくとも1種のモノマー
を含む共重合体でもよい。
本発明の重合体が2種以上のモノマーを原料として含む場合、ランダム共重合体であってもよいし、ブロック共重合体であってもよい。
第1の好ましい実施形態において、本発明の表面処理剤に使用する重合体は、一般式(I)の直鎖炭化水素基を有する少なくとも1種のモノマーを単独重合又は共重合させて製造してもよく、一般式(I)の直鎖炭化水素基を有する少なくとも1種のモノマーと、(A) 一般式(II)で表される少なくとも1種の含フッ素モノマー、及び/又は(B)親水性基を有する少なくとも1種を含むモノマーを共重合させて製造してもよい。
本発明の表面処理剤は、本発明の目的を阻害しない範囲内において、防錆剤、触媒、抗菌剤、難燃剤、界面活性剤、消泡剤、増粘剤、粘度調節剤、レベリング剤、紫外線吸収剤、防腐剤、凍結防止剤、湿潤剤、PH調整剤、安定剤、防黴剤、耐光安定剤、耐候安定剤、中和剤、艶消し剤、乾燥促進剤、発泡剤、非粘着剤、劣化防止剤等を適宜配合してもよい。
200MLのガラス製反応器に含フッ素重合性単量体 6質量部、 (A)ベヘニルメタクリレート 30.6質量部 、(B)2-ヒドロキシエチルメタクリレート 2質量部、ポリエチレングリコール(N=平均4)モノメタクリレート(日油(株)製PE-200) 2質量部、ラウリルメルカプタン 0.2質量部、ポリオキシエチレンアルキルフェニルエーテル(第一工業製薬(株)製 ノイゲンEA‐177) 2質量部、ポリオキシエチレンオレイルエーテル(花王(株)製 エマルゲン 408) 2質量部、イソプロピルアルコール 4質量部、イオン交換水 151.2質量部を入れ、高圧ホモジナイザを用いて乳化混合し、得られた乳化液を窒素ガスで30分置換した。
合成例1Aと同様の方法で、含フッ素モノマー、モノマーA((A)成分のモノマー)、モノマーB((B)成分のモノマー)の割合を変更して共重合体を製造した。モノマー割合、モノマー種は表1に示したとおりである。表1において共重合体における含フッ素モノマー割合の数字は質量%を表し、F-1、A-1、A-2、A-3、A-4、B-1、B-2、B-3の数字は質量部を表す。
得られた水性分散液を質量で1%になるようにイオン交換水で希釈し、BRゴムを用いて連続離型試験を行った。結果を表1に示す。
実施例1Aと同様の方法で、連続離型性を評価した。評価結果を表1に示す。
200MLのガラス製反応器に含フッ素重合性単量体 4質量部 、(A)ヘキシルメタクリレート 16.9質量部 、(B)2-ヒドロキシエチルメタクリレート 2質量部、ポリエチレングリコール(N=平均4)モノメタクリレート(日油(株)製PE-200)2質量部、ラウリルメルカプタン 0.2質量部、ポリオキシエチレンアルキルフェニルエーテル(第一工業製薬(株)製 ノイゲンEA‐177) 2質量部、ポリオキシエチレンオレイルエーテル(花王(株)製 エマルゲン 408) 2質量部、イソプロピルアルコール 4質量部、イオン交換水 166.9質量部を入れ、高圧ホモジナイザを用いて乳化混合し、得られた乳化液を窒素ガスで30分置換した。
合成例1Bと同様の方法で、含フッ素モノマー、モノマーA((A)成分の直鎖炭化水素基を有するモノマー)、モノマーB((B)成分の親水性基を有するモノマー)の割合を変更して共重合体を製造した。モノマー割合、モノマー種は表2、表4、表5、表7に示したとおりである。表2において共重合体における含フッ素モノマー割合の数字は質量%を表し、F-11、F-12、A-11、A-12、A-13、A-14、B-11、B-12の数字は質量部を表す。
得られた水性分散液を質量で3%になるようにイオン交換水で希釈し、離型試験を行った。180℃に加温した鉄製の金型(成形品形状:直径3.0CM、高さ3.0CMの円柱)に希釈した水性分散液2.0Gをスプレーガン(アネスト岩田社製「カップガンW-101」;口径1MM)を用いて塗布した。
実施例1Bと同様の方法で、離型性および連続離型性を評価した。評価結果を表2に示す。
合成例2Bの共重合体のテトラヒドロフラン1質量%溶液を調製し、その溶液をSUSのテストピースに塗布した。室温で乾燥後、その塗布表面に対する水、ヘキサデカンの接触角を室温で接触角測定装置(協和界面化学製 DROPMASTER700)で測定した。評価結果を表3に示す。
実施例1Bと比較してゴム種をEPDMゴムからBRゴムに変更した以外は同様の方法で、離型性および連続離型性を評価した。評価結果を表4に示す。
表5に示される各フッ素アクリレートを用い、以下の評価条件及び評価方法により金型の離型試験を行った。
(1)評価条件
樹脂原料:ビニルエステル樹脂(FRP)
成形機: 油圧成形機(70TONプレス機)
プレス圧: 0.8~1.5 MPA
加圧時間: 2分
評価金型: クロムメッキされた鉄製の試験用金型
金型温度: 140℃
離型剤塗布量: 約150G/M2
離型剤塗布器具: アネスト岩田社製 W-101(カップガン、エアー圧;0.2MPA)
(2)評価方法
・離型試験
(1) 加熱した金型に離型剤を塗布した。
(2) 樹脂原料を金型内に設置し、加熱、加圧条件下で樹脂原料を硬化させた。
(3) 樹脂原料硬化後、成形品に吸盤を取付け、金型から成形品を剥離する際の荷重を測定し、離型力とした。離型力の実用的な使用レベルは、60N以下である。
・二次加工性(塗装性)試験
(1)成形品の金型と接していた面にスプレー塗装した。
(2)塗装が乾燥するまで室温で24時間静置した。
(3)カッターで塗装表面に縦・横各11本(計100マスの正方形ができる)の切り込みを入れた。
(4)切り込みができた箇所にテープを張り付けた。
(5)テープをはがし、マス目の塗装の剥離の有無を確認した。
表6に示される各フッ素アクリレート表面処理剤(合成例4C、11C)およびフッ素単分子化合物(F-21、F-22)を用い、以下の評価条件及び評価方法によりテストピースの離型試験を2回行った。評価結果を表6に示す。
(1)評価条件
樹脂原料:ビニルエステル樹脂(FRP)
成形機: 油圧成形機(70TONプレス機)
プレス圧:0.2 MPA
加圧時間:2分
評価金型:鉄製テストピース SPCC-SB
金型温度:140℃
離型剤塗布量:約150G/M2
離型剤塗布器具:アネスト岩田社製 W-101(カップガン、エアー圧;0.2MPA)
(2)評価方法(図1)
(1) 加熱したテストピースに離型剤を塗布した。
(2) 樹脂原料をテストピースの間に設置し、加熱、加圧条件下で樹脂原料を硬化させた。
(3) 樹脂原料硬化後、成形品からテストピースをはがす際の荷重を測定し、離型力とした。
表7に示される各フッ素アクリレートを用い、以下の評価条件及び評価方法により金型の離型試験を行った。
(1)評価条件
樹脂原料:エポキシ樹脂
加熱時間:40分
評価金型:クロムメッキされた鉄製の試験用金型
金型温度:135~145℃
離型剤塗布量:約150G/M2
離型剤塗布器具:アネスト岩田社製 W-101(カップガン、エアー圧;0.2MPA)
(2)評価方法
・離型試験
(1) 加熱した金型に離型剤を塗布した。
(2) 樹脂原料をクリップを設置した金型内に流し込み、加熱して樹脂原料を硬化させた。
(3) 樹脂原料硬化後、クリップを引っ張り、金型から成形品を剥離する際の荷重を測定し、離型力とした。離型力の実用的な使用レベルは、60N以下である。
・二次加工性(塗装性)試験
(1)成形品の金型と接していた面にスプレー塗装した。
(2)塗装が乾燥するまで室温で24時間静置した。
(3)塗装した成形品表面にテープを張り付けた。
(4)テープをはがし、塗装の剥離の有無を確認した。
Claims (18)
- 以下の(I)~(III)のいずれかに記載の重合体を含む表面処理剤:
(I) 一般式(I)
で表される直鎖炭化水素基を有する少なくとも1種のモノマーを繰り返し単位として含む重合体、
(II) 一般式(II)
で表される少なくとも1種の含フッ素モノマーを繰り返し単位として含み、含フッ素モノマーの割合が質量で15%以上である重合体、
(III) 一般式(I)で表される前記直鎖炭化水素基を有する少なくとも1種のモノマーと前記一般式(II)で表される少なくとも1種の含フッ素モノマーを繰り返し単位として含み、前記フッ素モノマーの割合が質量で0%以上15%以下である重合体。 - 前記重合体が、一般式(I)で表される直鎖炭化水素基を有するモノマーと、
(A)前記一般式(II)で表される含フッ素モノマー、及び/又は
(B)親水性基を有するモノマー
を繰り返し単位として含む重合体である。請求項2に記載の表面処理剤。 - 前記重合体が、一般式(II)で表される含フッ素モノマーと、以下の(A)及び/又は(B)及び/又は(C)のモノマー:
(A)直鎖炭化水素基を有するモノマー
(B)親水性基を有するモノマー
(C)分岐鎖炭化水素基を有するモノマー、脂環式炭化水素基を有するモノマー、ヘテロ脂肪族基またはヘテロ環を含むモノマー及び芳香環を含むモノマーからなる群から選ばれる少なくとも1種のモノマー
を繰り返し単位として含む共重合体である、請求項3に記載の表面処理剤。 - 一般式(I)で表される直鎖炭化水素基を有するモノマーが、1種、または、2種以上の(メタ)アクリレートである、請求項1~5のいずれか1項に記載の表面処理剤。
- (B)親水性基を有するモノマーが、水酸基及び/又はポリエチレンオキサイド鎖を有するモノマーである、請求項4又は5に記載の表面処理剤。
- 水性エマルションである請求項1~8のいずれか1項に記載の表面処理剤。
- 前記表面処理剤が離型剤である、請求項1~9のいずれか1項に記載の表面処理剤。
- 前記表面処理剤がBRゴム用の離型剤である、請求項10に記載の表面処理剤。
- 前記表面処理剤がBRゴム又はEPDMゴムの離型剤である、請求項10に記載の表面処理剤。
- 前記表面処理剤が熱硬化性樹脂用の離型剤である、請求項10に記載の表面処理剤。
- 前記表面処理剤が撥水撥油剤である、請求項1~9のいずれか1項に記載の表面処理剤。
- 前記表面処理剤が緩衝剤である、請求項1~9のいずれか1項に記載の表面処理剤。
- 前記表面処理剤が樹脂付着防止剤である、請求項1~9のいずれか1項に記載の表面処理剤。
- 以下の構造一般式(II)
で表される含フッ素モノマーを単独重合するか、或いは、前記含フッ素モノマーを(A)直鎖炭化水素基を有するモノマー、及び/又は(B)親水性基を有するモノマー及び/又は(C) 分岐鎖炭化水素基を有するモノマー、脂環式炭化水素基を有するモノマー、ヘテロ脂肪族基またはヘテロ環を含むモノマー及び芳香環を含むモノマーからなる群から選ばれる少なくとも1種のモノマーと共重合して、前記含フッ素モノマーを繰り返し単位とする重合体を得る工程を含み、前記重合体中の前記含フッ素モノマーの割合が15質量%以上であることを特徴とする、表面処理剤の製造方法。
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TW201842096A (zh) | 2018-12-01 |
JP7117286B2 (ja) | 2022-08-12 |
KR20190129078A (ko) | 2019-11-19 |
EP3604464A4 (en) | 2021-08-11 |
EP3604464A1 (en) | 2020-02-05 |
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