KR930013025A - Process for preparing an aqueous dispersion containing a polymer latex and a titanium dioxide pigment - Google Patents

Process for preparing an aqueous dispersion containing a polymer latex and a titanium dioxide pigment Download PDF

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KR930013025A
KR930013025A KR1019920023202A KR920023202A KR930013025A KR 930013025 A KR930013025 A KR 930013025A KR 1019920023202 A KR1019920023202 A KR 1019920023202A KR 920023202 A KR920023202 A KR 920023202A KR 930013025 A KR930013025 A KR 930013025A
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polymer latex
particles
titanium dioxide
dioxide pigment
opo
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찰스 코스탄세크 에드워드
보겔 마틴
클라우드 티볼트 잭
리브즈 스페리 피터
데이비드 에몬즈 윌리엄
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원본 미기재
롬 앤드 하스 캄파니
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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
    • C09D17/00—Pigment pastes, e.g. for mixing in paints
    • C09D17/004—Pigment pastes, e.g. for mixing in paints containing an inorganic pigment
    • C09D17/007—Metal oxide
    • C09D17/008—Titanium dioxide
    • 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
    • C09D5/02—Emulsion paints including aerosols
    • 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
    • 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
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/205—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase
    • C08J3/21—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase the polymer being premixed with a liquid phase
    • C08J3/215—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase the polymer being premixed with a liquid phase at least one additive being also premixed with a liquid phase
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • 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
    • C09D143/00—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 containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
    • C09D143/02—Homopolymers or copolymers of monomers containing phosphorus
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/80—Processes for incorporating ingredients

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

본 발명은 이산화티탄 안료 입자들 및 특정 중합체 라텍스 입자들을 함유하는 수성분액에 관한 것이다. 이산화티탄 안료입자들이 수성매체내에 분산되고, 배합 도료 조성물을 산출하기 위하여, 비교적 경질의 특정 중합체 라텍스가 필름-형성 결합제와 함께 첨가된다. 특정 중합체 라텍스는 중합 디히드로겐 포스페이트 작용기들의 잔류물을 포함하거나, 또는 높은 수준의 산작용기들 또는 1% 이상의 이타콘산을 가질 수 있다. 특정 중합체 라텍스는 도료 필름의 불투명성을 향상시킨다. 한편, 단일의 특정 중합체 라텍스가 불투명성을 향상시키고 또는 결합제로서 작용하도록 사용되거나, 또는 낮은 유효유리전이온도를 갖는 특정 중합체 라텍스와 통상의 경합제 라텍스의 혼합물이 사용된다.The present invention relates to aqueous dispersions containing titanium dioxide pigment particles and certain polymer latex particles. In order to disperse the titanium dioxide pigment particles in an aqueous medium and to produce a blended paint composition, a relatively hard specific polymer latex is added with the film-forming binder. Certain polymeric latexes may comprise residues of polymeric dihydrogenphosphate functional groups, or may have higher levels of acid functionalities or 1% or more itaconic acid. Certain polymer latexes improve the opacity of the paint film. On the other hand, a single specific polymer latex is used to improve opacity or act as a binder, or a mixture of a particular polymer latex with a low effective glass transition temperature and conventional compatibilizer latex is used.

Description

중합체 라텍스 및 이산화티탄 안료를 함유하는 수성분산액의 제조방법Process for preparing an aqueous dispersion containing a polymer latex and a titanium dioxide pigment

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

Claims (34)

다음 단계들을 포함하여 구성되는 특정 중합체 라텍스 입자들 및 이산화티탄 안료 입자들을 함유하는 수성분산액의 제조방법. (a)수성매체내에서 이산회티탄 안료 입자들을 분산시킴, (b)다음 세가지 유형으로부터 선택된 유화중합방법에 의하여 제조되는 특정 중합체 라텍스 입자들의 수성 매체내 분산액 또는 현탁액을 제조함, (1)하기 화합물들로 구성된 군으로부터 선택되는 최소한 하나의, 중합가능한 에틸렌계 불포화 산-작용성 단량체를 함유하는 단량체 혼합물을 사용하는 유화중합방법. 2-히드록시에틸 메타크릴레이트의 인산 모노에스테르, 2-히드록시에틸 메타크릴레이트의 인산 디에스테르, 3-히드록시프로필 메타크릴레이트의 인산 모노에스테르, 3-히드록시프로필 메타크릴레이트의 인산 디에스테르, 디히드로겐 비닐벤질포스페이트, CH2=CCH3CO2CH2CH2OPO(OH)2, CH2=CCH3CO2CH2CH 〔OPO(OH)2〕CH3, CH2=CCH3CO2CH2CH2CH2OPO(OH)2, 및 CH2=CCH3CO2CH2CHOHCH2OPO(OH)2 .(2)1wt% 이상의 이타콘산을 포함하는 단량체로부터 중합된 중합체 라텍스 입자를 제공하는 유화중합방법. (3)최소한 하나의 에틸렌계 불포화 산-작용성 단량체의 총 중량이 중합체 라텍스 고체의 최소한 10wt%를 구성하게 되는, 유화중합방법. (c)이산화티탄 안료 입자들을 함유하는 수성 매체와 특정 중합체 라텍스 입자들을 함유하는 수성매체를 혼합함.A process for preparing an aqueous dispersion comprising specific polymer latex particles and titanium dioxide pigment particles comprising the steps of: dispersing discrete titanium pigment particles in an aqueous medium, (b) preparing a dispersion or suspension in an aqueous medium of the specific polymer latex particles produced by the emulsion polymerization method selected from the following three types: (1) Wherein at least one polymerizable ethylenically unsaturated acid-functional monomer selected from the group consisting of compounds is used. A phosphoric acid monoester of 2-hydroxyethyl methacrylate, a phosphoric acid diester of 2-hydroxyethyl methacrylate, a phosphoric acid monoester of 3-hydroxypropyl methacrylate, a phosphoric acid diester of 3-hydroxypropyl methacrylate ester, dihydrogen vinylbenzyl phosphates, CH 2 = CCH 3 CO 2 CH 2 CH 2 OPO (OH) 2, CH 2 = CCH 3 CO 2 CH 2 CH [OPO (OH) 2] CH 3, CH 2 = CCH 3 CO 2 CH 2 CH 2 CH 2 OPO (OH) 2 , and CH 2 = CCH 3 CO 2 CH 2 CHOHCH 2 OPO (OH) 2. (2) An emulsion polymerization method comprising polymer latex particles polymerized from a monomer containing at least 1 wt% of itaconic acid. (3) The total weight of the at least one ethylenically unsaturated acid-functional monomer constitutes at least 10 wt% of the polymer latex solids. (c) mixing an aqueous medium containing titanium dioxide pigment particles with an aqueous medium containing specific polymer latex particles. 제1항에 있어서, 안료 분산제의 사용에 의하여 이산화티탄 안료 입자들이 수성 매체내에 분산되는 것을 특징으로 하는 방법.The method of claim 1 wherein the titanium dioxide pigment particles are dispersed in an aqueous medium by the use of a pigment dispersant. 제2항에 있어서, 안료 분사제가 고분자 전해질인 것을 특징으로 하는 방법.The method according to claim 2, wherein the pigment jetting agent is a polymer electrolyte. 제3항에 있어서, 안료 분산제가 폴리(메트)아크릴산, 폴리(메트)아크릴산 염들, 폴리(메트)아크릴산의 고분자전해질 공중합체들, 및(메트)아크릴산 및 그의 염들의 고분자전해질 공중합체들의 염들로 구성된 군으로부터 선택된 것을 특징으로 하는 방법.4. The composition of claim 3, wherein the pigment dispersant is selected from the group consisting of poly (meth) acrylic acid, poly (meth) acrylate salts, polymer electrolyte copolymers of poly (meth) acrylic acid, and salts of polymer electrolyte copolymers of (meth) ≪ / RTI > 제3항에 있어서, 안료 분산제가 무기 고분자전해질인 것을 특징으로 하는 방법.The method according to claim 3, wherein the pigment dispersant is an inorganic polymer electrolyte. 제5항에 있어서, 안료 분산제가 폴리포스페인트 염인 것을 특징으로 하는 방법.6. The method of claim 5, wherein the pigment dispersant is a polyphosphate salt. 제2항에 있어서, 특정 중합체 라텍스 20°C이상의 유효 유리전이온도를 갖는 것을 특징으로 하는 방법.The process according to claim 2, wherein the specific polymer latex has an effective glass transition temperature of at least 20 ° C. 제7항에 있어서, 특정 중합체 라텍스가 50°C이상의 유효 유리전이온도를 갖는 것을 특징으로 하는 방법.The process according to claim 7, wherein the specific polymer latex has an effective glass transition temperature of at least 50 ° C. 제2항에 있어서, 특정 중합체 라텍스 입자들의 평균크기가 20nm 내지 이산화티탄 안료 입자들의 평균입자크기의 4배인 것을 특징으로 하는 방법.3. The method of claim 2, wherein the average size of the specific polymer latex particles is from 20 nm to 4 times the average particle size of the titanium dioxide pigment particles. 제9항에 있어서, 중합체 라텍스 입자들의 평균크기가 이산화티탄 안료입자들의 평균크기의 1/2 내지 이산화티탄 안료 입자들의 평균크기가 동일 크기인 것을 특징으로 하는 방법.10. The method of claim 9, wherein the average size of the polymer latex particles is one-half the average size of the titanium dioxide pigment particles to the average size of the titanium dioxide pigment particles. 제2항에 있어서, 이산화티탄 안료 입자들의 평균입자크기는 100-1000nm이고, 중합체 라텍스 입자들의 평균입자크기는 20-5000nm 인 것을 특징으로 하는 방법.3. The method of claim 2 wherein the average particle size of the titanium dioxide pigment particles is 100-1000 nm and the average particle size of the polymer latex particles is 20-5000 nm. 제11항에 있어서, 이산화티탄 안료 입자들의 평균입자크기는 200-250nm 이고, 중합체 라텍스 입자들이 평균입자크기는 20-1000mm인 것을 특징으로 하는 방법.12. The method according to claim 11, wherein the average particle size of the titanium dioxide pigment particles is 200-250 nm and the average particle size of the polymer latex particles is 20-1000 mm. 제2항에 있어서, 특정 중합체 라텍스의 유효 유리전이온도는 20°C이하이고, 특정 중합체 라텍스의 평균 입자크기는 80-600nm인 것을 특징으로 하는 방법.The process according to claim 2, wherein the effective polymeric latex has an effective glass transition temperature of 20 ° C or lower and an average particle size of the specific polymer latex is 80-600 nm. 제13항에 있어서, 특정 중합체 라텍스의 평균 입자크기가 100-400nm인 것을 특징으로 하는 방법.14. The method according to claim 13, wherein the average particle size of the specific polymer latex is 100-400 nm. 제1항에 있어서, 특정 중합체 라텍스의 평균 입자크기가 30-100nm인 것을 특징으로 하는 방법.The process according to claim 1, wherein the average particle size of the specific polymer latex is 30-100 nm. 제15항에 있어서, 특정 중합체 라텍스의 평균 입자크기가 50-80nm인 것을 특징으로 하는 방법.16. The method of claim 15, wherein the average particle size of the particular polymer latex is 50-80 nm. 제2항에 있어서, 특정 중합체 라텍스 입자들 및 이산화티탄 안료 입자들을 함유하는 수성 분산액을 중합체라텍스 결합제 입자들의 수성 분산액과 함께 혼합하는 것을 특징으로 하는 방법.3. The method of claim 2 wherein an aqueous dispersion containing specific polymer latex particles and titanium dioxide pigment particles is mixed with an aqueous dispersion of polymer latex binder particles. 청구범위 제2항의 방법에 따라 산출된 도료 조성물.A paint composition produced according to the method of claim 2. 제18항에 있어서, 5-60의 PVC를 갖는 도료 조성물.19. The coating composition of claim 18 having 5-60% PVC. 제19항에 있어서, 10-50의 PVC를 갖는 도료 조성물.20. The paint composition of claim 19 having 10-50 PVC. 하기 화합물들로 구성된 군으로부터 선택된 최소한 하나의 중합가능한 디히드로겐 포스페이트-작용성 단량체를 포함하는 단량체로부터 중합되어지며 디히드로겐 포스페이트 에스테르 작용기들을 함유하는 중합체라텍스 및 이산화티탄 안료를 포함하는 수성분산액. 2-히드록시에틸 메타크릴레이트의 인산 모노에스테르, 2-히드록시에틸 메타크릴레이트의 인산 디에스테르, 3-히드록시프로필 메타크릴레이트의 인산 모노에스테르, 3-히드록시프로필 메타크릴레이트의 인산 디에스테르, 디히드로겐 비닐벤질포스페이트, CH2=CCH3CO2CH2CH2OPO(OH)2, CH2=CCH3CO2CH2CH [OPO(OH)2]CH3, CH2=CCH3CO2CH2CH2CH2OPO(OH)2, 및 CH2=CCH3CO2CH2CHOHCH2OPO(OH)2.An aqueous dispersion comprising a polymer latex polymerized from a monomer comprising at least one polymerizable dihydrogenphosphate-functional monomer selected from the group consisting of the following compounds and containing dihydrogenphosphate ester functionality and a titanium dioxide pigment. A phosphoric acid monoester of 2-hydroxyethyl methacrylate, a phosphoric acid diester of 2-hydroxyethyl methacrylate, a phosphoric acid monoester of 3-hydroxypropyl methacrylate, a phosphoric acid diester of 3-hydroxypropyl methacrylate ester, dihydrogen vinylbenzyl phosphates, CH 2 = CCH 3 CO 2 CH 2 CH 2 OPO (OH) 2, CH 2 = CCH 3 CO 2 CH 2 CH [OPO (OH) 2] CH 3, CH 2 = CCH 3 CO 2 CH 2 CH 2 CH 2 OPO (OH) 2 , and CH 2 = CCH 3 CO 2 CH 2 CHOHCH 2 OPO (OH) 2 . 하기 화합물들로 구성된 군으로부터 선택된 최소한 하나의 중합가능한 디히드로겐 포스페이트-작용성 단량체를 포함하는 단량체로부터 중합되어지며 디히드로겐 포스페이트 에스테르 작용기들을 함유하는 중합체라텍스 및 이산화티탄 안료를 포함하는 수성분산액을 함유하는 도료 조성물, 2-히드록시에틸 메타크릴레이트의 인산 모노에스테르, 2-히드록시에틸 메타크릴레이트의 인산 디에스테르, 3-히드록시프로필 메타크릴레이트의 인산 모노에스테르, 3-히드록시프로필 메타크릴레이트의 인산 디에스테르, 디히드로겐 비닐벤질포스페이트, CH2=CCH3CO2CH2CH2OPO(OH)2, CH2=CCH3CO2CH2CH 〔OPO(OH)2〕CH3, CH2=CCH3CO2CH2CH2CH2OPO(OH)2, 및 CH2=CCH3CO2CH2CHOHCH2OPO(OH)2.An aqueous dispersion comprising a polymer latex polymerized from a monomer comprising at least one polymerizable dihydrogenphosphate-functional monomer selected from the group consisting of the following compounds and containing dihydrogenphosphate ester functionality and a titanium dioxide pigment: , A phosphoric acid monoester of 2-hydroxyethyl methacrylate, a phosphoric acid diester of 2-hydroxyethyl methacrylate, a phosphoric acid monoester of 3-hydroxypropyl methacrylate, a 3-hydroxypropyl methacrylate CH 2 = CCH 3 CO 2 CH 2 CH 2 OPO (OH) 2 , CH 2 = CCH 3 CO 2 CH 2 CH [OPO (OH) 2 ] CH 3 , CH 2 = CCH 3 CO 2 CH 2 CH 2 CH 2 OPO (OH) 2 , and CH 2 = CCH 3 CO 2 CH 2 CHOHCH 2 OPO (OH) 2 . 하기 화합물들로 구성된 군으로부터 선택된 최소한 하나의 중합가능한 디히드로겐 포스페이트-작용성 단량체를 포함하는 단량체로부터 중합되어지며 디히드로겐 포스페이트 에스테르 작용기들을 함유하는 중합체라텍스 및 이산화티탄 안료를 포함하는 수성분산액을 함유하는 안료 슬러리. 2-히드록시에틸 메타크릴레이트의 인산 모노에스테르, 2-히드록시에틸 메타크릴레이트의 인산 디에스테르, 3-히드록시프로필 메타크릴레이트의 인산 모노에스테르, 3-히드록시프로필 메타크릴레이트의 인산 디에스테르, 디히드로겐 비닐벤질포스페이트, CH2=CCH3CO2CH2CH2OPO(OH)2, CH2=CCH3CO2CH2CH 〔OPO(OH)2〕CH3, CH2=CCH3CO2CH2CH2CH2OPO(OH)2, 및 CH2=CCH3CO2CH2CHOHCH2OPO(OH)2.An aqueous dispersion comprising a polymer latex polymerized from a monomer comprising at least one polymerizable dihydrogenphosphate-functional monomer selected from the group consisting of the following compounds and containing dihydrogenphosphate ester functionality and a titanium dioxide pigment: Containing pigment slurry. A phosphoric acid monoester of 2-hydroxyethyl methacrylate, a phosphoric acid diester of 2-hydroxyethyl methacrylate, a phosphoric acid monoester of 3-hydroxypropyl methacrylate, a phosphoric acid diester of 3-hydroxypropyl methacrylate ester, dihydrogen vinylbenzyl phosphates, CH 2 = CCH 3 CO 2 CH 2 CH 2 OPO (OH) 2, CH 2 = CCH 3 CO 2 CH 2 CH [OPO (OH) 2] CH 3, CH 2 = CCH 3 CO 2 CH 2 CH 2 CH 2 OPO (OH) 2 , and CH 2 = CCH 3 CO 2 CH 2 CHOHCH 2 OPO (OH) 2 . 1wt% 이상의 이타콘산을 포함하는 단량체로부터 중합되어진 중합체 라텍스 및 이산회티탄 안료를 포함하는 수성 분산액.An aqueous dispersion comprising a polymer latex polymerized from a monomer containing at least 1 wt% of itaconic acid and a diisocyanate pigment. 1wt% 이상의 이타콘산을 포함하는 단량체로부터 중합되어진 중합체 라텍스 및 이산회티탄 안료를 포함하는 수성분산액을 함유하는 도료 조성물.A polymer latex polymerized from a monomer containing at least 1 wt% of itaconic acid, and an aqueous dispersion containing a discrete titanium pigment. 1wt% 이상의 이타콘산을 포함하는 단량체로부터 중합되어진 중합체 라텍스 및 이산회티탄 안료를 포함하는 수성분산액을 함유하는 안료 슬러리.A pigment slurry containing an aqueous dispersion comprising a polymer latex polymerized from a monomer containing at least 1 wt% itaconic acid and a diisocyanate pigment. 다음 두가지 유형으로부터 선택된 유화중합방법에 의하여 제조되는 중합체 라텍스 및 이산화티탄 안료를 포함하는 수성 분산액을 함유하며 5-60의 PVC를 갖는 도료 조성물. (1)다음 (A) 및 (B)로 구성된 군으로부터 선택된 최소한 하나의 중합가능한 에틸렌계 불포화 산-작용성 단량체를 포함하는 단량체 혼합물을 사용하는 유화중합방법. (A)이타콘산, 단, 중합에 사용된 단량체들내의 이타콘산의 총 중량을 단량체들의 총중량의 1%이상임. (B)중합가능한 올레핀기를 함유하는 알코올의 디히도로겐 포스페이트 에스테르들. (2)최소한 하나의 에틸렌계 불포화 산-작용성 단량체를 포함하는 단량체 혼합물을 사용하며 수불용성 중합체 라텍스를 제공하는 중화방법으로서, 에틸렌계 불포화 산-작용성 단량체의 총 중량이 중합체라텍스 고체의 최소한 10wt%를 구성하게 되는 유화중합방법.A coating composition comprising 5-60 PVC containing an aqueous dispersion comprising a polymer latex and a titanium dioxide pigment prepared by an emulsion polymerization method selected from the following two types. (1) A method for emulsion polymerization using a monomer mixture comprising at least one polymerizable ethylenically unsaturated acid-functional monomer selected from the group consisting of (A) and (B). (A) itaconic acid, provided that the total weight of itaconic acid in the monomers used in the polymerization is at least 1% of the total weight of the monomers. (B) Dihydrogenphosphate esters of alcohols containing polymerizable olefinic groups. (2) a neutralization process using a monomer mixture comprising at least one ethylenically unsaturated acid-functional monomer and providing a water-insoluble polymer latex, wherein the total weight of the ethylenically unsaturated acid-functional monomer is at least 10 wt%. 제27항에 있어서, 10-50의 PVC를 갖는 도료 조성물.28. The coating composition of claim 27 having 10-50 PVC. 제27항에 있어서, 중합체 라텍스 입자들의 평균크기가 20nm 내지 이산화티탄 안료 입자들의 평균입자크기의 4배 크기인 도료 조성물.28. The coating composition of claim 27, wherein the average size of the polymer latex particles is from about 20 nm to about 4 times the average particle size of the titanium dioxide pigment particles. 제27항에 있어서, 중합체 라텍스 입자들의 평균크기가 이산화티탄 안료 입자들의 평균크기의 1/2내지 입자들의 평균크기와 동일한 크기인 도료 조성물.28. The coating composition of claim 27, wherein the average size of the polymer latex particles is one-half the average size of the titanium dioxide pigment particles to the average size of the particles. 제27항에 있어서, 이산화티탄 안료 입자들의 평균입자크기는 100-1000nm이고 중합체 라텍스 입자들의 평균 입자크기는 20-500nm 인 도료 조성물.28. The coating composition of claim 27, wherein the average particle size of the titanium dioxide pigment particles is 100-1000 nm and the average particle size of the polymer latex particles is 20-500 nm. 제31항에 있어서, 이산화티탄 안료 입자들의 평균입자크기는 200-250nm 이고 중합체 라텍스 입자들의 평균 입자크기는 20-1000nm인 도료 조성물.32. The coating composition of claim 31, wherein the average particle size of the titanium dioxide pigment particles is 200-250 nm and the average particle size of the polymer latex particles is 20-1000 nm. 다음 단계들을 포함하여 구성되는, 특정 중합체 라텍스 입자들 및 이산화티탄 안료 입자들을 포함하는 수성 분산액의 제조방법. (a)수성 매체내에 이산화티탄 안료 입자들을 분산시킴, (b)산평형상수의 음대수(pka)가 4-8이 되도록 하는 산평형상수와 함께 최소한 하나의 양성자를 포함하는 산성 작용기들을 갖는 일염기성 및 다염기성 단량체들로 구성되는 군으로부터 선택된 최소한 하나의 중합가능한 에틸렌계 불포화 산-작용성 단량체를 포함한 단량체 혼합물을 사용하는 유화중합방법에 의하여 제조되는 특정 중합체 라텍스 입자들의 수성 매체내 분산액 또는 현탁액을 제조함. (c)이산화티탄 입자들을 함유하는 수성 매체 및 특정 중합체 라텍스 입자들을 함유하는 수성 매체를 혼합함.A process for preparing an aqueous dispersion comprising specific polymer latex particles and titanium dioxide pigment particles, comprising the steps of: (a) dispersing titanium dioxide pigment particles in an aqueous medium, (b) having acidic functional groups comprising at least one proton with an acid equilibrium constant such that the number of pounds of the acid equilibrium constant (pka) is 4-8 Aqueous dispersion or suspension of certain polymer latex particles prepared by an emulsion polymerization process using a monomer mixture comprising at least one polymerizable ethylenically unsaturated acid-functional monomer selected from the group consisting of basic and polybasic monomers . (c) mixing an aqueous medium containing titanium dioxide particles and an aqueous medium containing specific polymer latex particles. 제33항에 있어서, 상기 산평형상수의 음대수가 6인 것을 특징으로 하는 방법.34. The method of claim 33, wherein the number of spectrums of the acid equilibrium constant is six. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019920023202A 1991-12-03 1992-12-03 Process for preparing an aqueous dispersion containing a polymer latex and a titanium dioxide pigment KR930013025A (en)

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