KR960031483A - Agitator for suspension polymerization of vinyl chloride resin and suspension polymerization method of vinyl chloride resin using the same - Google Patents

Agitator for suspension polymerization of vinyl chloride resin and suspension polymerization method of vinyl chloride resin using the same Download PDF

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Publication number
KR960031483A
KR960031483A KR1019950003284A KR19950003284A KR960031483A KR 960031483 A KR960031483 A KR 960031483A KR 1019950003284 A KR1019950003284 A KR 1019950003284A KR 19950003284 A KR19950003284 A KR 19950003284A KR 960031483 A KR960031483 A KR 960031483A
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South Korea
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vinyl chloride
chloride resin
suspension polymerization
inclination
polymerization method
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KR1019950003284A
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Korean (ko)
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KR0139852B1 (en
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이동현
김대용
최영민
노정희
편광남
최용진
김영순
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박원배
한화종합화학 주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
    • B01F27/1125—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades with vanes or blades extending parallel or oblique to the stirrer axis
    • B01F27/11253—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades with vanes or blades extending parallel or oblique to the stirrer axis the blades extending oblique to the stirrer axis
    • 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
    • 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
    • C08F2/18—Suspension polymerisation

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)

Abstract

본 발명은 염화비닐 수지의 현탁중합용 교반기 및 이를 이용한 염화비닐 수지의 현탁중합방법에 관한 것으로, 좀더 상세히 설명하면 수직축(1)에서 법선방향으로 뻗은 지지부(2)의 선단에 주익(3)이 설치되어 있으며, 상기 지지부(2)는 수직축과 α의 경사도를 이루며 지지부(2)의 말단부위(4)도 α의 경사도로 꺾어 수평을 유지시킨 교반기 및 이를 이용하여 염화비닐 또는 염화비닐 공중합 단량체를 중합개시제와 현탁제의 존재하에서 현탁중합하는 방법에 관한 것으로서, 염화비닐 수지의 품질, 즉 더 상세히 설명하면 염화비닐 수지의 휘쉬아이의 갯수를 감소시키며 중합중에 생기는 스케일의 생성을 줄이는 개선된 염화비닐 수지의 현탁중합 방법에 관한 것이다.The present invention relates to an agitator for suspension polymerization of vinyl chloride resin and a suspension polymerization method of vinyl chloride resin using the same. More specifically, the main blade (3) is provided at the tip of the support portion (2) extending in the normal direction from the vertical axis (1). The support part 2 has a vertical axis and an inclination of α, and the distal end portion 4 of the support part 2 is also inclined at an inclination of α to maintain a horizontal stirrer and a vinyl chloride or vinyl chloride copolymer monomer using the same. A process for suspension polymerization in the presence of a polymerization initiator and suspending agent, wherein the improved quality of vinyl chloride resin, ie, more specifically, the number of fisheyes of vinyl chloride resin, is reduced and the production of scale during polymerization is reduced. It relates to a suspension polymerization method of the resin.

Description

염화비닐 수지의 현탁중합용 교반기 및 이를 이용한 염화비닐 수지의 현탁중합방법Agitator for suspension polymerization of vinyl chloride resin and suspension polymerization method of vinyl chloride resin using the same

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 따른 현탁 중합용 교반기를 개략적으로 도시한 사시도이고,1 is a perspective view schematically showing a stirrer for suspension polymerization according to the present invention,

제2도는 제1도에 다른 교반기 수직축의 측면에 지지부가 부착된 상태를 도시한 개략도이며,FIG. 2 is a schematic view showing a state in which a supporting part is attached to the side surface of the stirrer vertical axis according to FIG. 1,

제3도는 제1도에 따른 주익의 후면에 지지부의 말단부위가 형성된 상태를 도시한 개략도이다.3 is a schematic view showing a state in which the distal end portion of the support is formed on the rear surface of the main blade according to FIG.

Claims (11)

염화비닐 또는 염화비닐 고중합 단량체를 중합개시제와 현탁제의 존재하에서, 수직축(1)에서 법선방향으로 뻗은 지지구(2)의 선단에 주익(3)이 형성되어 있으며, 상기 지지부(2)는 수직축과 α의 경사도를 이루며 지지부(2)의 말단부위 (4)도 α의 경사도로 꺾어 수평의 유지시킨 교반기를 이용하여 현탁중합을 실시하는 것을 특징으로 하는 염화비닐 수지의 현탁중합 방법In the presence of a polymerization initiator and a suspending agent, a vinyl chloride or a vinyl chloride high polymerization monomer is formed at the tip of the support 2 extending in the normal direction from the vertical axis 1, and the support portion 2 is Suspension polymerization method of a vinyl chloride resin, characterized in that the suspension is polymerized using a stirrer which is formed at an inclination of the vertical axis and the end portion (4) of the support part 2 is also maintained at an inclination of α and is kept horizontal. 제1항에 있어서, 상기 α의 경사도가 5∼60°인 것을 특징으로 하는 염화비닐 수지의 현탁중합 방법The suspension polymerization method of a vinyl chloride resin according to claim 1, wherein the inclination of α is 5 to 60 degrees. 제1항에 있어서, 상기 현탁중합시 환류응축기가 부착된 중합반응기를 이용하는 것을 특징으로 하는 염화비닐 수지의 현탁 중합 방법.The suspension polymerization method of a vinyl chloride resin according to claim 1, wherein the suspension polymerization uses a polymerization reactor with a reflux condenser. 제1항에 있어서, 상기 염화비닐 단량체와 공중합하여 얻은 단량체는 에틸렌, 프로필렌등의 올레핀류, 초산비닐, 스테아린산 비닐등의 에스테르류, 아크릴산메틸, 메타아크릴산메틸등의 아크릴산 에스테르류,마레인산 또는 후발산 등의 에스테르류 또는 무수물, 아크릴로니트릴 등의 니트릴 화합물 또는 염화비닐리덴과 같은 비닐 리덴화합물로부터 선택되는 것을 특징으로 하는 염화지닐 수지의 현탁 중합 방법.The monomer obtained by copolymerizing with the vinyl chloride monomer is olefins such as ethylene and propylene, esters such as vinyl acetate and vinyl stearate, acrylic esters such as methyl acrylate and methyl methacrylate, maleic acid or after A suspending polymerization method of a geninyl chloride resin, characterized in that it is selected from esters such as divergence or anhydrides, nitrile compounds such as acrylonitrile, or vinylidene compounds such as vinylidene chloride. 제1항에 있어서, 상기 중합개시제는 라우로인 퍼옥사이드, 3,5,5-트리메틸헥실 퍼옥사이드, t-브틸퍼옥시피발레이트, t-부틸퍼옥시네오디카보네이트, 디이소프로필퍼옥시디카보네이트, 디-2-에틸헥실퍼옥시디카보네이트 또는 아세틸 사이크로헥실스포닐퍼옥사이드등과 같은 유기 과산화물 및 α,α-아조비스2,4-메틸파레르니트릴등의 아조화합물의 1종 또는 2종 이상의 혼합물 중에서 선택되는 것을 특징으로 하는 염화비닐 수지의 현탁 중합방법.The method of claim 1, wherein the polymerization initiator is lauroin peroxide, 3,5,5-trimethylhexyl peroxide, t-butyl peroxy pivalate, t- butyl peroxy neodicarbonate, diisopropyl peroxy dicarbonate , One or two or more kinds of organic peroxides such as di-2-ethylhexyl peroxydicarbonate or acetyl cyclohexyl phosphonyl peroxide and azo compounds such as α, α-azobis2,4-methylparnitrile The suspension polymerization method of vinyl chloride resin characterized by the above-mentioned. 제1항에 있어서, 상기 현탁제는 부분 검화 폴리비닐알콜, 초산비닐무수마레인산 공중합체, 폴리비닐피롤리돈, 젤라틴, 메틸셀룰로오즈, 하이드록시 프로필셀룰로오즈, 하이드록시 에틸셀룰로오즈로부터 선택되는 것을 특징으로 하는 염화비닐 수지의 현탁 중합 방법.The method of claim 1, wherein the suspending agent is selected from partially saponified polyvinyl alcohol, vinyl acetate anhydride copolymer, polyvinylpyrrolidone, gelatin, methyl cellulose, hydroxy propyl cellulose, hydroxy ethyl cellulose Suspension polymerization method of vinyl chloride resin. 제1항에 있어서, 상기 중합반응에 분자량 조절제가 부가적으로 첨가되는 것을 특징으로 하는 염화비닐 수지의 현탁중합 방법.The suspension polymerization method of vinyl chloride resin according to claim 1, wherein a molecular weight modifier is additionally added to the polymerization reaction. 제7항에 있어서, 상기 중합반응에 사용되는 중합개시제, 현탁제 및/또는 분자량 조절제가 최초에 일괄적으로 중합반응계에 첨가되거나, 또는 중합반응중 분할하여 첨가되는 것을 특징으로 하는 염화비닐 수지의 현탁중합 방법.8. The vinyl chloride resin according to claim 7, wherein the polymerization initiator, suspending agent and / or molecular weight controlling agent used in the polymerization reaction are initially added to the polymerization reaction system in a batch or separately added during the polymerization reaction. Suspension polymerization method. 수직축(1)에서 법선방향으로 뻗은 지지부(2)의 선단에 주익(3)이 형성되어 있으며, 상기 지지부(2)는 수직축과 α의 경사도를 이루며 지지부(2)의 말단부위(4)도 α의 경사도로 꺾어 수평을 유지하는 것을 특징으로 하는 염화비닐 수지 현탁 중합용 교반기.The main blade 3 is formed at the tip of the support portion 2 extending in the normal direction from the vertical axis 1, and the support portion 2 forms an inclination with the vertical axis and the distal end portion 4 of the support portion 2 is also α. A vinyl chloride resin suspension polymerization stirrer, characterized by maintaining the horizontal angle by the inclination of. 제9항에 있어서, 상기 α의 경사도가 5∼60°임을 특징으로 하는 염화비닐 수지 현탁 중합용 교반기.The stirrer for suspension polymerization of vinyl chloride resin according to claim 9, wherein the inclination of α is 5 to 60 degrees. 제9항에 있어서, 상기 지지부(2)의 말단부위(4)의 면적이 지지부(2) 면적이 10∼50%인 것을 특징으로 하는 염화비닐 수지 현탁 중합용 교반기.The agitator for vinyl chloride resin suspension polymerization according to claim 9, wherein the area of the distal end portion (4) of the support portion (2) is 10-50% of the support portion (2) area. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950003284A 1995-02-20 1995-02-20 Mixer for polyvinylchloride and mixing method KR0139852B1 (en)

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KR20230123697A (en) * 2022-02-17 2023-08-24 한화솔루션 주식회사 Vinylchloride based copolymer and prepartion method of the same

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