KR19980013603A - Flocculating agent for agglomerating rubber latex and its production method - Google Patents
Flocculating agent for agglomerating rubber latex and its production method Download PDFInfo
- Publication number
- KR19980013603A KR19980013603A KR1019960032145A KR19960032145A KR19980013603A KR 19980013603 A KR19980013603 A KR 19980013603A KR 1019960032145 A KR1019960032145 A KR 1019960032145A KR 19960032145 A KR19960032145 A KR 19960032145A KR 19980013603 A KR19980013603 A KR 19980013603A
- Authority
- KR
- South Korea
- Prior art keywords
- flocculant
- stage
- alkyl acrylate
- weight
- parts
- Prior art date
Links
Classifications
-
- 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
- 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
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C1/00—Treatment of rubber latex
- C08C1/02—Chemical or physical treatment of rubber latex before or during concentration
- C08C1/065—Increasing the size of dispersed rubber particles
- C08C1/07—Increasing the size of dispersed rubber particles characterised by the agglomerating agents used
-
- 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
- C08F136/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F136/02—Homopolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F136/04—Homopolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
- C08F136/06—Butadiene
-
- 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
- C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
-
- 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
- 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
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- 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
- 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
-
- 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
- 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
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/56—Acrylamide; Methacrylamide
-
- 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
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
본 발명의 응집제는 탄소수 l∼12의 알킬아크릴레이트, 음이온성 계면 활성제 및 음이온성 개시제를 전화율이 90 % 이상이 되도록 회분식 중합에 의하여 응집 핵을 형성하는 제 1 단계, 상기 제 1 단계의 중합물에 알킬아크릴레이트와 이온성 공단량체를 투입하여 반회분식 중합에 의하여 응집제를 성장시키는 제 2 단계, 및 상기 제 2 단계의 중합물에 알킬아크릴레이트, 이온성 공단량체 및 2 차 개시제릍 투입하여 응집제 표면에 기능성 단량체인 이온성 공단량체가 공중합되도록 하기 위한 제 3 단계의 공정에 의하여 제조된다. 본 발명의 응집제는 알킬아크릴레이트 100 중량부에 대하여,0.1∼0.5 중량부의 이온성 공단량체,0.5∼4.0 중량부의 음이온성 계면 활성제, 및 0.3∼2.0 중량부의 음이온성 개시제를 포함한다. 알킬아크릴레이트는 전체의 약 5 % 미만이 제 1 단계에서 사용되고, 전체의 약 90 % 정도가 제 2 단계에서 사용되며, 나머지 알킬아크릴레이트가 제 3 단계에서 사용된다. 이온성 공단량체는 전체의 5∼20 %가 제 2 단계에서 사용되고, 전체의 약 80∼95%가 제 3 단계에서 사용된다. 음이온성 개시제는 전체의 90∼70 %가 제 1 단계에서 사용되고, 전체의 10∼30 %가 제 3 단계에서 사용된다. 고무 라텍스를 응집시키기 위해서는, 고무 라텍스 100 중량부당 0.1∼5.0 중량부의 응집제를 혼합한다.The flocculant of the present invention comprises a first step of forming an agglomeration nucleus by batch polymerization so that the alkyl acrylate, anionic surfactant and anionic initiator having a carbon number of 1 to 12 are converted to a conversion ratio of 90% or more, A second step of adding an alkyl acrylate and an ionic comonomer to the coagulant to grow a flocculant by semi-batch polymerization, and a step of adding alkyl acrylate, ionic comonomer and a second initiator to the polymer of the second step, And a third step for copolymerizing the ionic comonomer which is a functional monomer. The flocculant of the present invention comprises 0.1 to 0.5 parts by weight of an ionic comonomer, 0.5 to 4.0 parts by weight of an anionic surfactant, and 0.3 to 2.0 parts by weight of an anionic initiator, based on 100 parts by weight of the alkyl acrylate. Less than about 5% of the total alkyl acrylate is used in the first stage, about 90% of the total is used in the second stage, and the remaining alkyl acrylates are used in the third stage. 5 to 20% of the total of the ionic comonomer is used in the second stage, and about 80 to 95% of the total is used in the third stage. 90 to 70% of the total of the anionic initiator is used in the first stage, and 10 to 30% of the total is used in the third stage. In order to agglomerate the rubber latex, 0.1 to 5.0 parts by weight of the flocculant is mixed per 100 parts by weight of the rubber latex.
mj/50-25mj / 50-25
Description
발명의 분야Field of invention
본 발명은 고무 라텍스를 효과적으로 응집하기 위한 응집제 및 그 제조 방법에 관한 것이다. 보다 구체적으로, 본 발명은 ABS(아크릴로니트릴-부타디엔-스티렌) 수지와 같은 내충격 수지의 충격보강재로 사용되는 고무 라텍스를 효과적으로 응집하기 위한 응집제 및 그 응집제를 제조하기 위한 방법에 관한 것이다.The present invention relates to a flocculant for effectively flocculating rubber latex and a method for producing the flocculant. More specifically, the present invention relates to a flocculant for effectively flocculating a rubber latex used as an impact reinforcement of an impact resistant resin such as ABS (acrylonitrile-butadiene-styrene) resin and a method for producing the flocculant.
본 발명은 또는 본 발명에 따라 제조된 응집제를 사용하여 응집시킨 고무라텍스 및 그 고무 라텍스를 사용하여 제조된 내충격성 수지도 포함한다.The present invention also encompasses a rubber latex agglomerated using a flocculant prepared according to the present invention and an impact resistant resin prepared using the rubber latex.
발명의 배경과 종래기술BACKGROUND OF THE INVENTION AND PRIOR ART
일반적으로 내충격 수지의 충격보강재로 사용되는 고무 라텍스를 제조하기 위하여 고무 입자를 응집시키는 응집제가 사용되고 있다. 또한 고무 입자를 응집시키는 여러가지 방법들이 고무 라텍스를 제조하기 위하여 사용되고 있다.In general, a flocculant for agglomerating rubber particles is used to produce a rubber latex used as an impact reinforcement of an impact resistant resin. In addition, various methods of agglomerating rubber particles have been used to make rubber latex.
예를 들어 내충격 수지의 대표적인 예인 ABS를 제조하는 경우에, 폴리부타디엔 고무 입자를 응집제로써 응집시킨 후, 그 고무 라텍스에 스티렌과 아크릴로니트릴 단량체를 그라프트 중합시켜 응집시키고, 다시 그 응집된 그라프트 중합체에 매트릭스 상을 이루는 SAN(스티렌-아크릴로니트릴) 공중합체를 혼련하여 ABS 수지를 제조한다. 이 경우 고무 라텍스의 입자 크기는 최종 제품인 ABS 수지 성형품의 내충격성에 직접적인 영향을 미치며, 기타 다른 물성에도 상당한 영향을 미치는 것으로 알려져 있다.For example, in the case of producing ABS, which is a representative example of the impact resistant resin, polybutadiene rubber particles are agglomerated as a flocculant, and then styrene and acrylonitrile monomers are graft-polymerized in the rubber latex to agglomerate the agglomerated graft A SAN (styrene-acrylonitrile) copolymer in the form of a matrix is kneaded with the polymer to prepare an ABS resin. In this case, the particle size of the rubber latex directly affects the impact resistance of the final product, ABS resin molded article, and is known to have a considerable influence on other physical properties.
일반적으로 내충격성 수지의 충격보강재로 사용되는 고무 라텍스는 그 입자의 입경이 0.25∼1.0 ㎛의 범위인 것이 바람직하다. 이러한 크기의 입경을 갖는 고무 라텍스를 제조하기 위한 응집제 및 그 응집제의 제조 방법, 또는 고무 라텍스의 응집 방법에 대한 많은 연구가 지속되어 왔다.In general, the rubber latex used as an impact reinforcing material of an impact-resistant resin preferably has a particle diameter in the range of 0.25 to 1.0 mu m. Many studies have been made on a flocculant for producing rubber latex having such a particle size, a method for producing the flocculant, and a flocculating method for rubber latex.
일본 특허공고 소56-45921에서는 탄소수 1∼12의 알킬아크릴레이트 97∼70중량%와 불포화산 3∼30 중량%와의 혼합물을 음이온 계면 활성제의 존재하에서 중합시켜 얻어진 라텍스를 이용하여 합성 고무 라텍스의 입자 직경을 크게 하는 방법을 개시하고 있다.Japanese Patent Publication No. 56-45921 discloses the use of a latex obtained by polymerizing a mixture of 97 to 70% by weight of an alkyl acrylate having 1 to 12 carbon atoms and 3 to 30% by weight of an unsaturated acid in the presence of an anionic surfactant, A method of increasing the diameter is disclosed.
일본 특허공개 소58-61l02에서는 불포화산, 알킬아크릴레이트 및 이들과 중합가능한 단량체를 유화중합에 의하여 중합시킨 응집제로서의 라텍스와 그 제조방법을 개시하고 있다.Japanese Patent Laid-Open Publication No. 58-61102 discloses a latex as a flocculant obtained by polymerizing an unsaturated acid, an alkyl acrylate and a polymerizable monomer with them by emulsion polymerization, and a production method thereof.
일본 특허공고 평1-32842에서는 불포화산, 디엔단량체 및 이들과 중합가능한 단량체를 유화중합에 의하여 중합시킨 응집제로서의 라텍스와 그 제조 방법을 개시하고 있다.Japanese Patent Publication No. 1-32842 discloses a latex as a flocculant obtained by polymerization of an unsaturated acid, a diene monomer and a monomer polymerizable therewith by emulsion polymerization, and a production method thereof.
미국 특허 제 3,049,500 호에는 알카리 염 전해질 존재하에 폴리비닐 메틸에테르를 합성 고무 라텍스에 부가시킴으로써 그 라텍스의 입자 크기를 크게하는 응집 방법이 개시되어 있다.U.S. Patent No. 3,049,500 discloses an agglomeration method for increasing the particle size of the latex by adding polyvinyl methyl ether to the synthetic rubber latex in the presence of an alkaline salt electrolyte.
미국 특허 제 3,330,795 호에는 합성 고무 분산액의 고형분 입자가 3,000 내지 30,000의 분자량을 갖고 8 % 이하의 -C=O기 함량을 갖는 산화된 폴리알킬렌옥사이드를 부가시켜 응집될 수 있는 신규의 라텍스를 개시하고 있다.U.S. Patent No. 3,330,795 discloses a new latex which can be agglomerated by adding an oxidized polyalkylene oxide having a molecular weight of 3,000 to 30,000 and a content of -C = O of 8% or less, .
미국 특허 제 3,403,125 호에서는 에피클로로히드린과 폴리히드릭(알코올)페놀을 축합시켜 생성된 디에폭시드를 폴리옥시에틸렌 글리콜과 반응시켜 얻은 응집제를 사용하여 고무 라텍스를 응집시키는 방법을 개시하고 있다.U.S. Patent No. 3,403,125 discloses a method of coagulating a rubber latex using a coagulant obtained by reacting a diepoxide formed by condensing epichlorohydrin with a polyhydric (alcohol) phenol with polyoxyethylene glycol.
유럽 특허 공개 제 0 029 613 A1 호에서는 응집하고자 하는 고무 라텍스에 (a) 탄소수 1∼12 개의 알킬아크릴레이트와 메타크릴레이트의 균질중합체, 및 (b) 물에 용해되지 않는 균질중합체를 형성할 수 있는 에틸렌계 불포화 단량체들의 공중합체로부터 선택된 (1) 중합체와 (2) 비이온계 계면 활성제를 포함하는 응집 라텍스를 부가시켜 상기 고무 라텍스의 응집을 행하는 방법을 개시하고 있다.In EP 0 029 613 A1, a homogeneous polymer of (a) an alkyl acrylate and methacrylate having 1 to 12 carbon atoms and (b) a homogeneous polymer which is not soluble in water can be formed on the rubber latex to be agglomerated (1) a polymer selected from a copolymer of ethylenically unsaturated monomers, and (2) a coagulating latex comprising a nonionic surfactant, to agglomerate the rubber latex.
유럽 특허 공개 제 0 143 858 A1 호에서는 (i) 에스테르 단량체와 (ii) 에틸렌계 불포화 카르복실산의 혼합물로 이루어진 (a) 쉘(shel1) 물질과 (b) 탄성물질로 이루어진 코아(core) 물질로 이루어진 응집제를 개시하고 있다.EP-A-0 143 858 A1 discloses a composition comprising (a) a shell material consisting of (i) a mixture of an ester monomer and (ii) an ethylenically unsaturated carboxylic acid and (b) ≪ / RTI >
유럽 특허 공개 제 0 406 806 A2 호에서는 산기를 함유하는 라텍스 내의 공중합체, 및 옥시산의 알카리금속, 알카리 토금속, 아연, 니켈 및 알루미늄염으로 이루어진 군으로부터 선택된 최소한 하나의 옥시 산 염으로부터 선택된 응집제와, 이를 이용한 고무 라텍스의 응집 방법을 개시하고 있다.EP-B-0 406 806 A2 discloses a coagulant selected from at least one oxy acid salt selected from the group consisting of copolymers in latex containing an acid group and alkali metal, alkaline earth metal, zinc, nickel and aluminum salts of oxyacids and , And a method of agglomerating rubber latex using the same.
알킬아크릴레이트계 응집제를 고무 라텍스의 응집제로서 사용하는 겅우에는, 알킬아크릴레이트계의 심한 발열반응으로 인하여 반회분식의 방법이 사용된다. 그러나 이 방법은 반응 중에 제열 효과는 양호하지만 균일한 핵생성이 이루어지지 않기 때문에 최종 라텍스 입자의 입자 크기 분포가 넓어지게 된다. 또한 종래의 방법에 따라 불포화 카르복실산이나 아크릴계 아마이드와 같은 공단량체를 공중합시키는 겅우에는, 수상에서 발생되는 이온성 공단량체로 구성된 수용성 균일중합체(homopolymer)의 생성을 억제하여야 한다. 그러나 응집제 라텍스를 2 단계로 나누어 제조할 때, 제 1 단계에 이온성 공단량체가 사용되지 않으면, 제 2 단계에서 고무 라텍스와 이온성 공단량체와의 혼화성 차이로 인하여 이온성 공단량체의 수용성 균질중합체의 발생을 억제하기 힘들다.In case of using an alkyl acrylate type flocculant as a coagulant of rubber latex, a semi-batch method is used because of the severe exothermic reaction of the alkyl acrylate type. However, this method has a good heat control effect during the reaction, but since the homogeneous nucleation is not performed, the particle size distribution of the final latex particles is widened. Further, in the case of copolymerizing a comonomer such as an unsaturated carboxylic acid or an acryl amide according to a conventional method, it is necessary to inhibit the formation of a water-soluble homopolymer composed of an ionic comonomer generated in an aqueous phase. However, when the coagulant latex is prepared in two stages, if the ionic comonomer is not used in the first stage, the miscibility of the rubber latex with the ionic comonomer in the second step causes the water- It is difficult to suppress the generation of the polymer.
고무 라텍스를 응집시키는 응집제를 제조하기 위하여 이온성 공단량체를 사용하는 겅우에는 그 이온성 공단량체가 제조되는 응집제 표면에 분포되어야 응집효과가 높다. 종래의 방법에 따라 제조된 응집제는 이온성 공단량체가 응집제의 표면에 존재하지 않고 입자의 중심에 파묻힐 수가 있다.In the case of using an ionic comonomer to produce a flocculant for flocculating the rubber latex, the ionic comonomer should be distributed on the surface of the flocculant to be produced so that the flocculation effect is high. The flocculant produced according to the conventional method can be buried in the center of the particle without the ionic comonomer being present on the surface of the flocculant.
본 발명자들은 상기와 같은 종래의 응집제가 갖는 단점을 개선하여 고무 라텍스를 효과적으로 빠른 시간 내에 응집시킬 수 있는 응집제릍 개발하기에 이른 것이다.The inventors of the present invention have developed a coagulant which can effectively coagulate the rubber latex in a short time by improving the disadvantages of the conventional coagulant as described above.
Claims (11)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960032145A KR0182712B1 (en) | 1996-08-01 | 1996-08-01 | Cohesive agent for cohering rubber latex and the process of producing it |
US08/775,462 US5985993A (en) | 1996-08-01 | 1996-12-30 | Method for preparing polybutadiene latex |
DE19654783A DE19654783C2 (en) | 1996-08-01 | 1996-12-31 | Process for the preparation of an agglomerating agent |
JP00033797A JP3274978B2 (en) | 1996-08-01 | 1997-01-06 | Method for producing coagulant for polybutadiene rubber latex |
US09/177,840 US6365669B1 (en) | 1996-08-01 | 1998-10-22 | Method for preparing polybutadiene latex |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960032145A KR0182712B1 (en) | 1996-08-01 | 1996-08-01 | Cohesive agent for cohering rubber latex and the process of producing it |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980013603A true KR19980013603A (en) | 1998-05-15 |
KR0182712B1 KR0182712B1 (en) | 1999-05-15 |
Family
ID=19468541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960032145A KR0182712B1 (en) | 1996-08-01 | 1996-08-01 | Cohesive agent for cohering rubber latex and the process of producing it |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0182712B1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100463482B1 (en) * | 2001-08-06 | 2004-12-29 | 제일모직주식회사 | Method of Preparing Particle Agglomeration of a Rubber Latex |
KR20170042941A (en) * | 2015-10-12 | 2017-04-20 | 주식회사 엘지화학 | In situ trimodal rubber latex and preparing method thereof |
-
1996
- 1996-08-01 KR KR1019960032145A patent/KR0182712B1/en not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100463482B1 (en) * | 2001-08-06 | 2004-12-29 | 제일모직주식회사 | Method of Preparing Particle Agglomeration of a Rubber Latex |
KR20170042941A (en) * | 2015-10-12 | 2017-04-20 | 주식회사 엘지화학 | In situ trimodal rubber latex and preparing method thereof |
Also Published As
Publication number | Publication date |
---|---|
KR0182712B1 (en) | 1999-05-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0143858B1 (en) | Particle agglomeration in rubber latices | |
US4421875A (en) | Process for the manufacture of impact resistant thermoplastic molding materials | |
KR860000302B1 (en) | Process for producing impact resistant resins | |
EP1245584A1 (en) | Process for producing enlarged latex | |
JP3274978B2 (en) | Method for producing coagulant for polybutadiene rubber latex | |
EP0687689B1 (en) | Agglomerating agent latex with bound poly(ethylene oxide) | |
CA1201547A (en) | Graft copolymer useful as reinforcements for vinyl chloride polymers and process for preparing the same | |
US5541256A (en) | Process for preparing synthetic resin powder having improved blocking resistance | |
EP0960145B1 (en) | Weather resistant resin composition and preparation method thereof | |
CN100386347C (en) | Process for producing powdery linear polymer having inproved powder properties | |
GB2378446A (en) | Method of preparing a synthetic rubber latex having a large particle size | |
KR19980013603A (en) | Flocculating agent for agglomerating rubber latex and its production method | |
JP2000103935A (en) | Abs-based resin composition | |
KR100426122B1 (en) | Method for preparing of acrylonitrile-butadiene-styrene latex graft latex havng superior stability | |
KR100198733B1 (en) | Process for producing polybutadiene rubber latices | |
KR0184705B1 (en) | Process for agglomerating rubber latex | |
JP2634691B2 (en) | Vinyl chloride resin composition | |
JP4024321B2 (en) | Polymer latex agglomeration method and polymer latex | |
JPS623853B2 (en) | ||
JP3107637B2 (en) | Vinyl chloride resin composition | |
AU627191B2 (en) | Thermoplastic resin composition | |
KR0160344B1 (en) | Method for preparing coagulants for coagulating rubber latex | |
KR950011450B1 (en) | Thermoplastic resin composition and its preparation process | |
JPS6268805A (en) | Production of maleimide based copolymer | |
JPS6320245B2 (en) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20130913 Year of fee payment: 16 |
|
FPAY | Annual fee payment |
Payment date: 20140917 Year of fee payment: 17 |
|
FPAY | Annual fee payment |
Payment date: 20151124 Year of fee payment: 18 |
|
EXPY | Expiration of term |