KR960022579A - Emulsified Polymer Particle Dispersion with Internal Pores and Manufacturing Method Thereof - Google Patents

Emulsified Polymer Particle Dispersion with Internal Pores and Manufacturing Method Thereof Download PDF

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Publication number
KR960022579A
KR960022579A KR1019940039937A KR19940039937A KR960022579A KR 960022579 A KR960022579 A KR 960022579A KR 1019940039937 A KR1019940039937 A KR 1019940039937A KR 19940039937 A KR19940039937 A KR 19940039937A KR 960022579 A KR960022579 A KR 960022579A
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KR
South Korea
Prior art keywords
particles
emulsion
polymer particle
particle dispersion
core
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KR1019940039937A
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Korean (ko)
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KR0149694B1 (en
Inventor
한상노
박종명
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김충세
고려화학 주식회사
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Priority to KR1019940039937A priority Critical patent/KR0149694B1/en
Publication of KR960022579A publication Critical patent/KR960022579A/en
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Publication of KR0149694B1 publication Critical patent/KR0149694B1/en

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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
    • C08F2/00—Processes of polymerisation
    • C08F2/12—Polymerisation in non-solvents
    • C08F2/16—Aqueous medium
    • C08F2/22—Emulsion polymerisation
    • 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
    • C08F20/04—Acids, Metal salts or ammonium salts thereof
    • C08F20/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof

Abstract

본 발명은 내부 기공을 갖는 유화중합체 입자 분산액과 그의 제조방법에 관한 것으로서, 즘 더 상세하게는 건조시 입자의 내부에 형성되는 미세기공의 형태를 땅콩형과 같은 비구상(non-spherical)으로 형성하는 입자 응집 공정을 이용하여 도막 표면의 빛에 대한 차단 면적을 보다 넓게 하므로써 자체의 은폐효율을 더욱 극대화시키기 위한 다단계 유화중합 방법 및 이에 따른 중합체 입자 분산액에 관한 것이다.The present invention relates to an emulsion polymer dispersion having internal pores and a method for producing the same, and more particularly, to form a non-spherical form of micropores formed in the interior of the particles upon drying. The present invention relates to a multi-step emulsion polymerization method and a polymer particle dispersion according to the method for further maximizing its hiding efficiency by widening the light blocking area of the coating film surface using a particle agglomeration process.

이러한 중합체 입자 분산액은 백색 또는 담색의 수성 도료, 종이 피복재 및 성형용 조성물에서의 불투명화제로 사용된다.Such polymer particle dispersions are used as opacifying agents in white or light aqueous coatings, paper coatings and molding compositions.

Description

내부 기공을 갖는 유화중합체 입자 분산액과 그의 제조방법Emulsified Polymer Particle Dispersion with Internal Pores and Manufacturing Method Thereof

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (11)

다음의 다단 연슥 유화중합법에 의해 제조되는 것을 특징으로 하는 유화중합체 입자 분산액의 제조방법, 1) 카르복실산기를 갖는 산단량체와 일반 단량체 혼합물로부터 코아 입자를 유화중합시키는 단계; 2) 제조된 코아 입자를 응집체를 이용하여 2개 내지 3개의 입자가 붙은 형태로 응집시키는 단계; 3) 응집된 코아 입자 존재하에 외피 형성 단량체를 연속적으로 유화중합시키므로써 경질의 피복으로 코아 입자를 캡슐화하는 단계; 및 4) 생성된 상기의 코아-쉘 중합체 입자를 상승된 온도에서 염기로 팽윤시켜 건조 후 내부에 기공을 갖도록 하는 단계.Method for producing an emulsion polymer particle dispersion, characterized in that it is produced by the following multi-stage emulsion emulsion polymerization method, 1) emulsion polymerization of core particles from an acid monomer having a carboxylic acid group and a general monomer mixture; 2) agglomerating the prepared core particles into a form in which two to three particles are attached using an aggregate; 3) encapsulating the core particles with a hard coat by continuously emulsifying the envelope forming monomers in the presence of aggregated core particles; And 4) swelling the resulting core-shell polymer particles with a base at an elevated temperature to have pores therein after drying. 제1항에 있어서, 상기 코아 형성 단계가 단일 단계로 이루어지거나 시이드 제조단계를 포함한 복수단계로 이루어지는 것을 특징으로한 유화중합체 입자 분산액의 제조방법.The method of claim 1, wherein the core forming step comprises a single step or a plurality of steps including a seed production step. 제1항에 있어서, 상기 응집제가 소듐클로라이드, 칼륨클로라이드, 칼슘클로라이드, 소듐설페이트, 마그네슘설페이트, 바륨퍼클로레이트 중에서 1종 이상 선택되는 것을 특징으로 하는 유화중합체 입자 분산액의 제조방법.The method of claim 1, wherein the flocculant is at least one selected from sodium chloride, potassium chloride, calcium chloride, sodium sulfate, magnesium sulfate, barium perchlorate. 제1항 또는 제3항에 있어서, 상기 응집체를 임계응집제농도 이하로 사용하는 것을 특징으로 하는 유화중합체 입자 분산액의 제조방법.The method for producing an emulsion polymer particle dispersion according to claim 1 or 3, wherein the aggregate is used at a critical coagulant concentration or lower. 제1항에 있어서, 상기 외피 형성 단계가 단일 또는 복수 단계로 이루어지는 것을 특징으로 하는 유화중합체 입자 분산액의 제조방법.The method of claim 1, wherein the shell forming step comprises a single or a plurality of steps. 제1항에 있어서, 상기 응집 공정은 외피 형성 공정이 복수 단계로 이루어진 경우에 1차 외피 형성 단계 이후에 실시되는 것을 특징으로 하는 유화중합체 입자 분산액의 제조방법.The method of claim 1, wherein the flocculation process is carried out after the primary skin forming step when the skin forming process is made of a plurality of steps. 제1항에 있어서, 상기 중화 팽윤 공정을 최종 외피 형성 단계 이후, 또는 복수 외피 형성 단계의 중간에 행함을 특징으로 하는 유화중합체 입자 분산액의 제조방법.The method of claim 1, wherein the neutralizing swelling process is performed after the final skin forming step or in the middle of the plurality of skin forming steps. 제1항에 있어서, 상기 코아 성분에 대한 쉘 성분의 무게비가 1:1 내지 1:50인 것을 특징으로 하는 유화중합체 입자 분산액의 제조방법.The method according to claim 1, wherein the weight ratio of the shell component to the core component is 1: 1 to 1:50. 제1항에 있어서, 상기 최종 유화중합체 입자의 크기가 0.2내지 10.0마이크론인 것을 특징으로 하는 유화중합체 입자 분산액의 제조방법.The method of claim 1, wherein the size of the final emulsion particles are 0.2 to 10.0 microns. 제1항 내지 제9항 중 어느 한 항에 기술된 제조방법에 의해 제조되는 유화중합체 입자 분산액.Emulsion polymer particle dispersion prepared by the production method according to any one of claims 1 to 9. 제1항 내지 제9할 중 어느 한 항에 따른 유화중합체 입자 분산액이 함유된 것을 특징으로 하는 코팅용 또는 함침용 조성물.A coating or impregnating composition, characterized in that the emulsion polymer dispersion according to any one of claims 1 to 9 is contained. ※ 참고사항:최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940039937A 1994-12-30 1994-12-30 Emulsion polymer particle dispersion liquids having an inner air-hole KR0149694B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100468600B1 (en) * 1996-12-30 2005-06-23 고려화학 주식회사 Impact-resistant core-shell emulsion polymer containing pores in the particles and method for preparing the same

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100470033B1 (en) * 1996-12-30 2005-08-05 고려화학 주식회사 Manufacturing method of emulsion containing polymer
KR100377860B1 (en) * 1999-02-10 2003-03-29 주식회사 엘지화학 Method for manufacturing thermoplastic copolymer powder
KR100347608B1 (en) * 2000-06-01 2002-08-07 삼화페인트공업주식회사 The synthesis method for capsulized emulsion having internal pore by multy-stage emulsion polymerization
KR100429469B1 (en) * 2000-10-06 2004-05-03 학교법인 한양학원 Spherical polymer microcapsules by solute co-diffusion method (SCM) and their preparation method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100468600B1 (en) * 1996-12-30 2005-06-23 고려화학 주식회사 Impact-resistant core-shell emulsion polymer containing pores in the particles and method for preparing the same

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