KR20210033679A - 염화 비닐-아세트산 비닐 공중합체 라텍스의 제조 방법 - Google Patents
염화 비닐-아세트산 비닐 공중합체 라텍스의 제조 방법 Download PDFInfo
- Publication number
- KR20210033679A KR20210033679A KR1020190115256A KR20190115256A KR20210033679A KR 20210033679 A KR20210033679 A KR 20210033679A KR 1020190115256 A KR1020190115256 A KR 1020190115256A KR 20190115256 A KR20190115256 A KR 20190115256A KR 20210033679 A KR20210033679 A KR 20210033679A
- Authority
- KR
- South Korea
- Prior art keywords
- vinyl chloride
- vinyl acetate
- acetate copolymer
- supply
- copolymer latex
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 239000004816 latex Substances 0.000 title claims abstract description 94
- 229920000126 latex Polymers 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims abstract description 62
- 229920002433 Vinyl chloride-vinyl acetate copolymer Polymers 0.000 title claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000000178 monomer Substances 0.000 claims abstract description 125
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims abstract description 123
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 81
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 78
- 239000002245 particle Substances 0.000 claims abstract description 53
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical group CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000002612 dispersion medium Substances 0.000 claims abstract description 19
- 239000003999 initiator Substances 0.000 claims description 55
- 230000035484 reaction time Effects 0.000 claims description 16
- 230000009477 glass transition Effects 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 10
- 230000000977 initiatory effect Effects 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 16
- 238000006243 chemical reaction Methods 0.000 description 45
- 239000002994 raw material Substances 0.000 description 26
- 239000000047 product Substances 0.000 description 19
- 230000008569 process Effects 0.000 description 18
- -1 coatings Substances 0.000 description 16
- 239000011347 resin Substances 0.000 description 14
- 229920005989 resin Polymers 0.000 description 14
- 238000009826 distribution Methods 0.000 description 12
- 239000007789 gas Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 11
- 229920001577 copolymer Polymers 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000000853 adhesive Substances 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 9
- 239000000976 ink Substances 0.000 description 8
- 239000003973 paint Substances 0.000 description 8
- 229920000642 polymer Polymers 0.000 description 8
- 238000007720 emulsion polymerization reaction Methods 0.000 description 7
- 125000004432 carbon atom Chemical group C* 0.000 description 6
- 239000012153 distilled water Substances 0.000 description 6
- 239000012467 final product Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 5
- 229910052783 alkali metal Inorganic materials 0.000 description 5
- 150000003863 ammonium salts Chemical class 0.000 description 5
- 239000012874 anionic emulsifier Substances 0.000 description 5
- 239000012875 nonionic emulsifier Substances 0.000 description 5
- 230000000704 physical effect Effects 0.000 description 5
- 239000004014 plasticizer Substances 0.000 description 5
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 5
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000011437 continuous method Methods 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 208000012839 conversion disease Diseases 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 239000000872 buffer Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910000365 copper sulfate Inorganic materials 0.000 description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 229940075507 glyceryl monostearate Drugs 0.000 description 2
- 239000001788 mono and diglycerides of fatty acids Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 2
- 230000000379 polymerizing effect Effects 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 239000011342 resin composition Substances 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 2
- 229940001584 sodium metabisulfite Drugs 0.000 description 2
- 235000010262 sodium metabisulphite Nutrition 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 1
- XZIIFPSPUDAGJM-UHFFFAOYSA-N 6-chloro-2-n,2-n-diethylpyrimidine-2,4-diamine Chemical compound CCN(CC)C1=NC(N)=CC(Cl)=N1 XZIIFPSPUDAGJM-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- LZBCVRCTAYKYHR-UHFFFAOYSA-N acetic acid;chloroethene Chemical compound ClC=C.CC(O)=O LZBCVRCTAYKYHR-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical class 0.000 description 1
- 150000008051 alkyl sulfates Chemical class 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical class C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 125000005456 glyceride group Chemical group 0.000 description 1
- 239000012771 household material Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 1
- 229910000342 sodium bisulfate Inorganic materials 0.000 description 1
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 description 1
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 1
- 229940035044 sorbitan monolaurate Drugs 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 229920006163 vinyl copolymer Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
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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
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
- C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
- C08F2/26—Emulsion polymerisation with the aid of emulsifying agents anionic
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- 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
- C09D127/00—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 a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/04—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C09D127/06—Homopolymers or copolymers of vinyl chloride
-
- 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
- C08F212/00—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 an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F212/06—Hydrocarbons
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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
- C08F14/00—Homopolymers and 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 a halogen
- C08F14/02—Monomers containing chlorine
- C08F14/04—Monomers containing two carbon atoms
- C08F14/06—Vinyl chloride
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- C08F2/00—Processes of polymerisation
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- C08F2/00—Processes of polymerisation
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
- C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
-
- 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
- C08F214/00—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 a halogen
- C08F214/02—Monomers containing chlorine
- C08F214/04—Monomers containing two carbon atoms
- C08F214/06—Vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/05—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media from solid polymers
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- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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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
- C09D5/02—Emulsion paints including aerosols
- C09D5/022—Emulsions, e.g. oil in water
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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
- C08F218/00—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 an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid
- C08F218/02—Esters of monocarboxylic acids
- C08F218/04—Vinyl esters
- C08F218/08—Vinyl acetate
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- C—CHEMISTRY; METALLURGY
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- C08F2800/00—Copolymer characterised by the proportions of the comonomers expressed
- C08F2800/20—Copolymer characterised by the proportions of the comonomers expressed as weight or mass percentages
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of 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 a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
구체적으로, 본 발명의 일 구현예에서는, 수성 분산매 및 유화제의 존재 하에 염화 비닐 단량체 및 아세트산 비닐 단량체를 유화 중합시키되, 상기 염화 비닐 단량체 및 상기 유화제의 공급 방식을 최적화함으로써, 중합도와 분자량이 높고 입자의 조성이 균일한 염화 비닐-아세트산 비닐 공중합체 입자가 포함된 라텍스를 수득하는 방법을 제공하고자 한다.
Description
실시예 1 | 비교예 1 | 실시예 1 | 실시예 2 | 비교예 2 | ||
제조 방법 |
중합 방식 | 유화 중합 | 유화 중합 | 유화 중합 | 유화 중합 | 유화 중합 |
반응기 조작 방식 (단량체 공급 방식) |
반연속식 (semi-continuous) |
회분식 (batch) |
반연속식 (semi-continuous) |
반연속식 (semi-continuous) |
반연속식 (semi-continuous) |
|
제조된 라텍스의 평가 | 입자 크기 | 0.172 ㎛ | 0.180 ㎛ | 0.173 ㎛ | 0.172 ㎛ | 측정 불가 |
입자 분포도 | 2.171 | 3.457 | 2.096 | 2.158 | 측정 불가 | |
유리전이온도 | 64 ℃ | 32 ℃ 및 80 ℃ |
64 ℃ | 63.5 ℃ | 측정 불가 | |
중량평균 분자량 |
83,394 g/mole | 79,818 g/mole | 82,994 g/mole | 83,226 g/mole | 측정 불가 |
111: 교반기
112: 마그네틱 드라이브
121 내지 123: 원료 공급 펌프들
Claims (18)
- 반응기에 수성 분산매, 유화제, 아세트산 비닐 단량체 및 염화 비닐 단량체를 공급하여, 중합 반응을 준비하는 단계;
상기 준비된 반응기에 개시제를 공급하여, 중합 반응을 개시하는 단계; 및
상기 중합 반응이 개시된 반응기에 상기 염화 비닐 단량체 및 상기 유화제를 각각 연속적으로 추가 공급하는 단계;를 포함하는,
염화 비닐-아세트산 비닐 공중합체 라텍스의 제조 방법.
- 제1항에 있어서,
반응시키고자 하는 염화 비닐 단량체 및 아세트산 비닐 단량체의 중량비는,
60:40 내지 80: (염화 비닐 단량체의 전량:아세트산 비닐 단량체의 전량)인 것인,
염화 비닐-아세트산 비닐 공중합체 라텍스의 제조 방법.
- 제1항에 있어서,
반응시키고자 하는 염화 비닐 단량체의 전량(100 중량%) 중,
20 내지 30 중량%는 상기 중합 반응 개시 전 준비 단계에서 일괄 공급하고,
잔부는 상기 중합 반응 개시 후 시간 당 공급량을 증가시키며 연속적으로 공급하는 것인,
염화 비닐-아세트산 비닐 공중합체 라텍스의 제조 방법.
- 제1항에 있어서,
상기 준비된 반응기의 내부 온도가 40 내지 80 ℃에 도달한 후,
상기 개시제를 공급의 공급을 개시하는 것인,
염화 비닐-아세트산 비닐 공중합체 라텍스의 제조 방법.
- 제1항에 있어서,
상기 염화 비닐 단량체의 추가 공급은,
전체 중합 반응 시간의 1/8 이상 1/6 이하인 시점에 개시하는 것인,
염화 비닐-아세트산 비닐 공중합체 라텍스의 제조 방법.
- 제5항에 있어서,
상기 유화제의 추가 공급은,
전체 중합 반응 시간의 1/7 이상 1/5 이하인 시점에 개시하는 것인,
염화 비닐-아세트산 비닐 공중합체 라텍스의 제조 방법.
- 제1항에 있어서,
상기 염화 비닐 단량체 및 상기 유화제의 추가 공급 시,
각각 독립적으로 시간 당 공급량을 증가시키는 것인,
염화 비닐-아세트산 비닐 공중합체 라텍스의 제조 방법.
- 제7항에 있어서,
상기 염화 비닐 단량체의 추가 공급 시,
상기 염화 비닐 단량체의 추가 공급을 개시한 시점으로부터, 전체 중합 반응 시간의 1/8 이상 2/9 이하인 시점까지는, 시간 당 공급량을 2m 내지 3ml로 제어하며 1차 추가 공급하고,
상기 1차 추가 공급 완료 시점으로부터, 전체 중합 반응 시간의 2/9 이상 3/5 이하인 시점까지는, 시간 당 공급량을 4ml 내지 5ml로 제어하며 2차 추가 공급하고,
상기 2차 추가 공급 완료 시점으로부터, 전체 중합 반응 시간의 3/5 이상 4/5 이하인 시점까지는, 시간 당 공급량을 5ml 내지 6ml로 제어하며 3차 추가 공급하는 것인,
염화 비닐-아세트산 비닐 공중합체 라텍스의 제조 방법.
- 제7항에 있어서,
상기 유화제의 추가 공급 시,
상기 유화제의 추가 공급을 개시한 시점으로부터, 전체 중합 반응 시간의 1/7 이상 1/2 이하인 시점까지는, 시간 당 공급량을 0.4ml 내지 0.8ml로 제어하며 1차 추가 공급하고,
상기 1차 추가 공급 완료 시점으로부터, 전체 중합 반응 시간의 1/2 이상 19/20 이하인 시점까지는, 시간 당 공급량을 0.7ml 내지 1.1ml로 제어하며 2차 추가 공급하는 것인,
염화 비닐-아세트산 비닐 공중합체 라텍스의 제조 방법.
- 제1항에 있어서,
상기 중합 반응의 개시 시점으로부터 종료 시점에 이르기까지, 시간 당 공급량을 일정하게 유지하며 상기 개시제를 연속 공급하는 것인,
염화 비닐-아세트산 비닐 공중합체 라텍스의 제조 방법.
- 제10항에 있어서,
상기 개시제의 시간 당 공급량은, 0.7ml 내지 1.1ml 범위 내에서 일정하게 유지하는 것인,
염화 비닐-아세트산 비닐 공중합체 라텍스의 제조 방법.
- 제1항에 있어서,
상기 중합 반응의 종료 시점은, 상기 염화 비닐 단량체 및 상기 유화제의 추가 공급 후 도달된 상기 반응기의 최고 압력 대비, 상기 반응기의 내부 압력이 2 내지 4 kgf/㎠만큼 낮아지는 시점인 것인,
염화 비닐-아세트산 비닐 공중합체 라텍스의 제조 방법.
- 제1항 내지 제12항 중 어느 한 항의 방법에 의하여 제조되며,
수성 분산매; 및
상기 수성 분산매에 분산된 비닐 클로라이드-비닐 아세테이트 공중합체 입자;를 포함하는,
염화 비닐-아세트산 비닐 공중합체 라텍스.
- 제13항에 있어서,
상기 비닐 클로라이드-비닐 아세테이트 공중합체 라텍스의 입자 크기는 0.160 내지 0.175 ㎛인 것인,
염화 비닐-아세트산 비닐 공중합체 라텍스.
- 제13항에 있어서,
상기 비닐 클로라이드-비닐 아세테이트 공중합체 라텍스의 입자 크기는, 1.900 내지 2.300의 분포도를 가지는 것인,
염화 비닐-아세트산 비닐 공중합체 라텍스.
- 제13항에 있어서,
상기 비닐 클로라이드-비닐 아세테이트 공중합체 라텍스의 유리 전이 온도는, 60 내지 70 ℃인 것인,
염화 비닐-아세트산 비닐 공중합체 라텍스.
- 제13항에 있어서,
상기 비닐 클로라이드-비닐 아세테이트 공중합체 라텍스의 중량평균분자량은, 80,000 내지 85,000 g/mole인 것인,
염화 비닐-아세트산 비닐 공중합체 라텍스.
- 제13항의 염화 비닐-아세트산 비닐 공중합체 라텍스를 포함하는 코팅용 잉크.
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