KR970061920A - Method for producing butadiene-styrene copolymer latex for MBS resin production - Google Patents

Method for producing butadiene-styrene copolymer latex for MBS resin production Download PDF

Info

Publication number
KR970061920A
KR970061920A KR1019960004503A KR19960004503A KR970061920A KR 970061920 A KR970061920 A KR 970061920A KR 1019960004503 A KR1019960004503 A KR 1019960004503A KR 19960004503 A KR19960004503 A KR 19960004503A KR 970061920 A KR970061920 A KR 970061920A
Authority
KR
South Korea
Prior art keywords
weight
polymerization
butadiene
styrene
parts
Prior art date
Application number
KR1019960004503A
Other languages
Korean (ko)
Other versions
KR0178455B1 (en
Inventor
배재호
조을룡
Original Assignee
김흥기
금호석유화학 주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 김흥기, 금호석유화학 주식회사 filed Critical 김흥기
Priority to KR1019960004503A priority Critical patent/KR0178455B1/en
Publication of KR970061920A publication Critical patent/KR970061920A/en
Application granted granted Critical
Publication of KR0178455B1 publication Critical patent/KR0178455B1/en

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
    • C08F236/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
    • C08F236/02—Copolymers 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
    • C08F236/04—Copolymers 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
    • C08F236/10—Copolymers 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 with vinyl-aromatic monomers
    • 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
    • C08F2/24—Emulsion polymerisation with the aid of emulsifying agents

Abstract

본 발명은 염화비닐수지의 내충격성을 보강하기 위하여 사용되는 메틸메타크릴레이트-부타디엔-스타렌 수지 제조용 부타디엔-스티렌 공중합 라텍스를 제조하는 방법에서 초기중합단계(Initinal polymerization step)에서 작은 중합체 미셀을 형성시킨 후 증식중합단계(Incremental polymerization step)에서 중합시키고자 하는 단량체를 모두 투입하여 중합을 완성시키는 중합방법(Intial/Increment polymerization system)에 관한 것으로서 초기중합단계와 중식중합단계에 투입되는 단량체의 중량비를 10.0∼15.0/85.0∼90.0으로 하고 초기중합단계에서 유화제를 1.0∼2.0중량부로 과량 투입하여 안정한 작은 중합체 미셀을 많이 형성시킨 후 중식중합단계에서 증식중합을 실시하는 부타디엔-스티렌 라텍스의 제조방법에 관한 것이다. 이때 개시제로는 산화·환원 반응계를 사용하여 중합온도를 약 50℃내외로 고정하여 진행시켜서 입경이 작고 균일한 분포를 가진 라텍스를 얻었으며, 본 라텍스를 사용하여 얻어진 메틸메타크릴레이트-부타디엔-스타렌 수지는 노화가 없었으며 폴리 비닐클로라이드에 10part 첨가시 내충격성, 투명성 등 우수한 물성을 보여 주는 투명 MBS수지 제조용으로 적합한 부타디엔-스티렌 공중합라텍스의 제조방법에 관한 것이다.The present invention relates to a process for preparing a butadiene-styrene copolymer latex for the preparation of methyl methacrylate-butadiene-styrene resin, which is used for reinforcing the impact resistance of a vinyl chloride resin, in which small polymer micelles are formed in an initial polymerization step (Intial / Increment polymerization system) in which all the monomers to be polymerized are charged in an incremental polymerization step to complete the polymerization. In the intial / increment polymerization system, the weight ratio of monomers charged in the initial polymerization step and the stepwise polymerization step Styrene latex having an average molecular weight of 10.0 to 15.0 / 85.0 to 90.0 and an excess amount of an emulsifier in an amount of 1.0 to 2.0 parts by weight in an initial polymerization stage to form stable small polymer micelles, will be. At this time, as the initiator, the polymerization temperature was fixed at about 50 ° C. by using an oxidation-reduction reaction system, and the latex having a small particle size and uniform distribution was obtained. The methyl methacrylate-butadiene-star Styrene copolymer latex which is suitable for the production of transparent MBS resin which shows excellent physical properties such as impact resistance and transparency when 10 parts of polyvinyl chloride is added.

Description

MBS수지 제조용 부타디엔-스타렌 공중합 라텍스의 제조방법Method for producing butadiene-styrene copolymer latex for MBS resin production

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

Claims (3)

MBS수지용 부타디엔-스타렌 공중합라텍스를 제조하는 방법에 있어서, 투입되는 부타디엔/스타렌 단량체의 중량비를 25∼35/65∼75로 하고, 초기중합단계와 중식중합단계에 투입되는 단량체의 중량비를 10.0∼15.0/85.0∼90(Initial/Increment)로 하고, 초기중합단계에서 유화제를 1.0∼2.0중량%로 과량투입하여 전환율을 75∼90% 진행시킨 후 단량체를 추가 투입하고 중합 반응온도를 약 50℃내외로 유지시킨 상태에서 중합을 완료시키는 MBS수지용 부타디엔-스티렌 공중합 라텍스의 제조방법.A method for producing a butadiene-styrene copolymer latex for MBS resin, wherein the weight ratio of the butadiene / styrene monomer to be fed is from 25 to 35/65 to 75, and the weight ratio of the monomers charged in the initial polymerization step to the middle- The initial conversion rate is adjusted to 10.0 to 15.0 / 85.0 to 90 (Initial / Increment), and the conversion rate is increased by 75 to 90% by adding 1.0 to 2.0% by weight of the emulsifier in the initial polymerization stage. Styrene copolymerized latex for MBS resin, wherein the polymerization is completed in a state where the polymerization temperature is maintained at about < RTI ID = 0.0 > < / RTI > 제1항에 있어서, 초기중합단계에서 8∼9중량부의 부타디엔, 3∼4중량부의 스타렌, 0.25∼0.75중량부의 디비닐벤제, 1.0∼2.0중량부의 지방산, 0.1∼0.3중량부의 소디움하이드록사이드, 0.1∼0.2중량부의 소디움포르밀술폭실레이트, 0.0025∼0.0075중량부의 페러스설페이트헵타하이드레이트, 0.01∼0.015중량부의 EDTA, 0.15∼0.30중량부의 인산, 0.050∼0.10중량부의 포타슘하이드록사이드를 투입하여 중합시키고 중식중합단계에서 60∼70중량부의 부타디엔, 17.5∼22.5중량부의 스타렌, 1.0∼2.0중량부의 디비닐벤젠을 투입하여 중합을 완료시키는 MBS수지용 부타디엔-스타렌 공중합 라텍스의 제조방법.The process according to claim 1, wherein in the initial polymerization step, 8 to 9 parts by weight of butadiene, 3 to 4 parts by weight of styrene, 0.25 to 0.75 part of divinylbenzene, 1.0 to 2.0 parts by weight of fatty acid, 0.1 to 0.3 parts by weight of sodium hydroxide 0.01 to 0.015 part by weight of EDTA, 0.15 to 0.30 part by weight of phosphoric acid and 0.050 to 0.10 part by weight of potassium hydroxide are added to the polymerization solution to polymerize By weight of butadiene, 17.5 to 22.5 parts by weight of styrene, and 1.0 to 2.0 parts by weight of divinylbenzene are introduced in the middle polymerization stage to complete the polymerization, and the butadiene-styrene copolymer latex for MBS resin is produced. 제1항에 있어서, 증식중합단계의전환을 75%에서 0.04∼0.05중량부의 SFS투입하고 전환율 90%에서, 0.06∼0.07중량부의 SFS를 투입하는 MBS수지용 부타디엔-스티렌 공중합수지의 제조방법.The method for producing a butadiene-styrene copolymer resin for MBS resin according to claim 1, wherein the conversion of the proliferation polymerization step is carried out at 75% at 0.04 to 0.05 part by weight of SFS and at a conversion of 90%, from 0.06 to 0.07 part by weight of SFS. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960004503A 1996-02-24 1996-02-24 Process for preparing butadiene-styrene copolymer latex for mbs resin KR0178455B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960004503A KR0178455B1 (en) 1996-02-24 1996-02-24 Process for preparing butadiene-styrene copolymer latex for mbs resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960004503A KR0178455B1 (en) 1996-02-24 1996-02-24 Process for preparing butadiene-styrene copolymer latex for mbs resin

Publications (2)

Publication Number Publication Date
KR970061920A true KR970061920A (en) 1997-09-12
KR0178455B1 KR0178455B1 (en) 1999-05-15

Family

ID=19451720

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960004503A KR0178455B1 (en) 1996-02-24 1996-02-24 Process for preparing butadiene-styrene copolymer latex for mbs resin

Country Status (1)

Country Link
KR (1) KR0178455B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100441055B1 (en) * 2001-05-30 2004-07-19 금호석유화학 주식회사 Manufacturing method of styrene-butadiene latex for modified concrete

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100384382B1 (en) * 1998-02-05 2003-08-21 주식회사 엘지화학 Preparation method of impact resistant vinyl chloride-based resin
KR100398739B1 (en) * 1998-02-05 2003-12-24 주식회사 엘지화학 Preparation method of vinyl chloride-based resin for straight processing, with excellent impact resistance
KR100519382B1 (en) * 2002-12-10 2005-10-06 주식회사 엘지화학 A method for preparing the themoplastic resin modifier having anti-stress impact and a method for preparing its intermediate
EP1866352A4 (en) 2005-08-19 2009-03-25 Lg Chemical Ltd Impact strength modifiers for polyvinyl chloride resin and method of preparing them

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100441055B1 (en) * 2001-05-30 2004-07-19 금호석유화학 주식회사 Manufacturing method of styrene-butadiene latex for modified concrete

Also Published As

Publication number Publication date
KR0178455B1 (en) 1999-05-15

Similar Documents

Publication Publication Date Title
US4075186A (en) Graft copolymers of polybutadiene and substituted polyacrylate
ATE94173T1 (en) PROCESS FOR THE ANIONIC POLYMERIZATION OF MONOMERS.
KR950018101A (en) Multistage bulk process to control graft, phase-conversion and crosslinking reactions to prepare ABS graft copolymers
US3725505A (en) Pyrene containing polymers prepared by anionic polymerization
ZA200709022B (en) Process for the production of aqueous binder latices
BR9814831A (en) Process for producing a polymer or copolymer from a monomeric material consisting of an acrylate, a methacrylate or a mixture of such monomers, resin made by the same, process for mass polymerization for preparation of poly (butyl acrylate 2-acrylate) -ethylhexyl), solvent-free resin, mass polymerization process for preparing substantially solvent-free poly (butyl acrylate 2-ethyl hexyl acrylate), poly (butyl acrylate 2-ethyl acrylate) -hexyl) solvent free, a process comprising a step for covering manufacturing articles with a resin composition, manufacturing articles, solvent-free polymerized reaction product, mass polymerization process for substantially solvent-free polymer or copolymer preparation, and, product made by the same
WO1995015987A1 (en) Preparing copolymers of vinylpyrrolidone and vinyl acetate
KR970061920A (en) Method for producing butadiene-styrene copolymer latex for MBS resin production
JP3603425B2 (en) Styrene random copolymer and method for producing the same
MY105301A (en) Process for production of styrene-based resin composition.
KR920014851A (en) Methods of Making Stable Polymer / Polyol Compositions and Stable Polymer / Polyol Compositions Prepared thereby
US5990255A (en) High molecular weight polysytrene production by vinyl acid catalyzed free radical polymerization
KR100513658B1 (en) Perparation of thermoplastic resin composition having excellent thermal stability and power properties
Hirao et al. Synthesis of heteroarm star‐branched polymers by means of anionic living polymerization
KR100193022B1 (en) Process for production of optical polymer resins having good heat resistance properties
US3049517A (en) Copolymerisation of triallyl cyanurate and methyl methacrylate
GB1438398A (en) Process for the preparation of impact resistant styrene polymers
Minoura et al. Block copolymerization with trapped radicals
JPS6214566B2 (en)
D'Alelio et al. Linear polymers of vinyl aryl monomers containing another unsaturated group
Yokozawa et al. Radical polymerization behavior of phenylallene. synthesis of functional polymer containing styryl moiety on the backbone
KR970001392A (en) Rubber modified styrene resin composition having high gloss and impact resistance and method for producing same
JP2563117B2 (en) Method for producing transparent high impact block copolymer
KR100236773B1 (en) Process for the preparation of aromatic vinyl-vinyl cyanide copolymer resin
Black et al. The preparation of some block copolymers

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20111103

Year of fee payment: 14

LAPS Lapse due to unpaid annual fee