KR950014152A - 메트아크릴레이트 중합체의 제조방법 - Google Patents

메트아크릴레이트 중합체의 제조방법 Download PDF

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KR950014152A
KR950014152A KR1019940028931A KR19940028931A KR950014152A KR 950014152 A KR950014152 A KR 950014152A KR 1019940028931 A KR1019940028931 A KR 1019940028931A KR 19940028931 A KR19940028931 A KR 19940028931A KR 950014152 A KR950014152 A KR 950014152A
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reactor
monomer
weight
exp
methyl methacrylate
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다까시 구마가이
마사히꼬 모리따니
도요미쓰 시미즈
사또시 시모가마
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고오사이 아끼오
스미또모가가꾸고오교 가부시끼가이샤
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Abstract

중합체 함량이 40∼70 중랑%인 중합체 조성물을 완전 혼합형의 벌크 중합 반응기를 사용하여 메틸메트아크릴레이트를 주성분으로 하는 공급 단량체로 부터 벌크 중합반응에 의해 연속적으로 제조하는 메트아크릴레이트 중합체의 제조방법이 개시되어 있으며, 이 방법은 실질적으로 반응기내에 기상 부분이 전혀 없도록 중합체 조성물을 채우고, 120∼180℃의 중합온도에서 실질적으로 외부환경과 전혀 열 교환이 없는 단열상태를 유지하는 반응기에서 하기 관계식을 만족하는 농도(C)(몰/100g 단량체)에서 중합온도에서의 반감기가 1분 이하인 라디칼 개시제를 사용하여 평균체류시간이 15분 내지 2시간인 벌크 중합반응을 행한다. : 4×10-5·exp(0.019T)＜C·θ ＜ 3×10-8· exp (0.079T)(1) [식중, θ는 평균체류시간(분)이고, T는 중합온도(℃)이다].

Description

메트아크릴레이트 중합체의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에서 사용된 중합체 제조방법의 흐름도이다.

Claims (12)

  1. 메틸 메트아크릴레이트를 주성분으로 하는 공급 단량체를 완전 혼합형 반응기를 사용하여 연속적으로 벌크 중합반응시켜 중합체 함량이 계속 40∼70 중량%인 중합체 조성물을 얻는 경우, 하기를 특징으로 하는 메트아크릴레이트 중합체의 제조방법 : (i)반응기내에 실질적으로 기상부분이 전혀 없도록 반응기에 중합체 조성물을 채우고, (ii)외부환경과 실질적으로 열교환이 전혀 없는 단열상태로 반응기를 유지하며, (iii)중합온도가 120 내지 180℃인 범위에서 중합반응을 행하고, (ⅳ)평균체류시간이 15분 내지 2시간으로 유지되며, ( v )중합 온도에서 1분 이하의 반감기를 가지는 라디칼 개시제를 사용하고, (vi)라디칼 개시제를 하기 관계식 (1)을 충족시키는 농도(C)(몰/100g 단량체)로 조정한다. :4×10-5. exp (0.019T)〈C·〈 3X10-8·exp (0.079T)(1) [식중, θ는 평균체류시간(분)이고, T는 중합온도( ℃)이다].
  2. 제1항에 있어서, 라디칼 개시제의 농도(C)(몰/100g 단량체)가 하기 관계식(2)을 만족시키는 제조방법 : 4×10-5. exp (0.019T)〈C· θ 〈 3×10-5exp (0.034T)(2) [식중, θ와 T는 제1항의 정의와 동일함].
  3. 제1항에 있어서, 메틸 메트아크릴레이트를 주성분으로 하는 공급 단량체가 메틸 메트아크릴레이트이거나, 메틸 메티아크릴레이트 70 중량% 이상과 메틸 메트아크릴레이트와 공중합할 수 있는 하나 이상의 비닐 단량체 30 중량% 이하의 혼합물인 제조방법.
  4. 제1항에 있어서, 반응기내 온도와 반응기 외벽 온도의 온도차가 약 5℃ 이하가 되도록 온도를 조정하는 제조방법.
  5. 제1항에 있어서, 중합온도가 130 내지 170℃인 제조방법.
  6. 제1항에 있어서, 평균체류시간이 20분 내지 1.5시간의 범위내인 제조방법.
  7. 제1항에 있어서, 교반동력을 0.5 내지 20KW/㎤로 조정하는 제조방법.
  8. 제1항에 있어서, 반응기내 압력을 10 내지 20kg/㎤로 유지하는 제조방법.
  9. 제1항에 있어서, 라디칼 개시제의 농도(C)가 공급단량체를 기준으로 0.001 내지 1 중량%인 제조방법.
  10. 제1항에 있어서, 연쇄 이동제를 사용하는 제조방법.
  11. 제10항에 있어서, 연쇄 이동제가 머캅탄인 제조방법.
  12. 제11항에 있어서, 단량체 또는 단량체 혼합물 100 중량부당 0.01 내지 3 중량부의 머캅탄을 사용하는 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940028931A 1993-11-05 1994-11-04 메트아크릴레이트 중합체의 제조방법 KR100319421B1 (ko)

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JP27699393A JP3395291B2 (ja) 1993-11-05 1993-11-05 メタクリル系重合体の製造方法
JP93-276993 1993-11-05

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Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5637646A (en) * 1995-12-14 1997-06-10 Minnesota Mining And Manufacturing Company Bulk radical polymerization using a batch reactor
US6388026B1 (en) 1997-08-05 2002-05-14 S. C. Johnson Commercial Markets, Inc. Process for the preparation of macromers
JP4270480B2 (ja) 1999-04-30 2009-06-03 綜研化学株式会社 アクリル系重合体の製造法
JP4763916B2 (ja) * 2001-05-28 2011-08-31 三菱レイヨン株式会社 メタクリル系樹脂組成物およびメタクリル系樹脂成形品の製造方法
US7323529B2 (en) * 2003-11-26 2008-01-29 Pp6 Industries Ohio, Inc. Method of making copolymers containing olefinic type monomers
JP4487598B2 (ja) 2004-03-04 2010-06-23 株式会社日立プラントテクノロジー 重合方法及び重合装置
JP4323406B2 (ja) 2004-10-04 2009-09-02 住友化学株式会社 連続重合装置およびそれを用いた連続重合方法
JP4295196B2 (ja) * 2004-11-09 2009-07-15 住友化学株式会社 連続重合の停止方法
KR100717925B1 (ko) * 2005-06-01 2007-05-11 주식회사 엘지화학 점착제용 아크릴계 에스테르 폴리머 시럽의 제조방법
JP5568841B2 (ja) 2008-04-08 2014-08-13 住友化学株式会社 熱板融着用メタクリル樹脂組成物
CN101724120B (zh) * 2008-10-22 2011-09-07 中国石油天然气股份有限公司 （甲基）丙烯酸酯类聚合物的制备方法
DE102009000814A1 (de) * 2009-02-12 2010-08-19 Evonik Röhm Gmbh Verfahren zur Synthese von verbesserten Bindemitteln mit definierter Korngrößenverteilung
JP5150708B2 (ja) 2010-11-08 2013-02-27 住友化学株式会社 連続重合装置および重合体組成物の製造方法
JP5431376B2 (ja) 2011-01-26 2014-03-05 住友化学株式会社 連続重合装置および重合体組成物の製造方法
JP5249366B2 (ja) 2011-01-26 2013-07-31 住友化学株式会社 連続重合装置および重合体組成物の製造方法
JP2012207203A (ja) 2011-03-17 2012-10-25 Sumitomo Chemical Co Ltd 重合体組成物の製造方法
JP5901361B2 (ja) 2011-11-18 2016-04-06 住友化学株式会社 連続重合装置および重合体組成物の製造方法
JP5959253B2 (ja) 2012-03-22 2016-08-02 住友化学株式会社 連続重合装置および重合体組成物の製造方法
CN104203990B (zh) * 2012-03-22 2016-03-16 株式会社可乐丽 高分子化合物及其制造方法以及成形品
JP6093352B2 (ja) * 2012-06-29 2017-03-08 株式会社クラレ （メタ）アクリル樹脂組成物の製造方法
US20150158963A1 (en) * 2012-06-29 2015-06-11 Kuraray Co., Ltd. Method for producing (meth)acrylic resin composition
JP2014012781A (ja) * 2012-07-05 2014-01-23 Sumitomo Chemical Co Ltd メタクリル系重合体組成物の製造方法
KR101495211B1 (ko) 2013-01-08 2015-02-24 한화케미칼 주식회사 블리스터 포장용 수지 및 이의 제조 방법
JP5984702B2 (ja) 2013-01-31 2016-09-06 住友化学株式会社 連続重合装置および重合体組成物の製造方法
CN103145910B (zh) * 2013-03-27 2014-09-17 苏州双象光学材料有限公司 双引发聚合pmma的生产工艺
CN103130945B (zh) * 2013-03-27 2014-12-10 苏州双象光学材料有限公司 长期运行不积料的pmma连续式生产工艺
CN105899548B (zh) * 2013-12-27 2017-10-10 株式会社可乐丽 (甲基)丙烯酸类树脂组合物的制造方法
JP6645834B2 (ja) 2014-02-06 2020-02-14 株式会社クラレ （メタ）アクリル樹脂組成物の製造方法
CN106398073B (zh) * 2016-10-18 2019-02-05 重庆世纪之光科技实业有限公司 一种光学级pmma连续本体聚合方法及其生产系统
CN106749854A (zh) * 2016-12-16 2017-05-31 北方华锦化学工业集团有限公司 一种新型3d打印聚丙烯酸树脂的制备方法

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CN1102833A (zh) 1995-05-24
CN1068339C (zh) 2001-07-11
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GB9422239D0 (en) 1994-12-21
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