ES2181206T3 - Polimerizacion catalizada por acido mejorada. - Google Patents

Polimerizacion catalizada por acido mejorada.

Info

Publication number
ES2181206T3
ES2181206T3 ES98918759T ES98918759T ES2181206T3 ES 2181206 T3 ES2181206 T3 ES 2181206T3 ES 98918759 T ES98918759 T ES 98918759T ES 98918759 T ES98918759 T ES 98918759T ES 2181206 T3 ES2181206 T3 ES 2181206T3
Authority
ES
Spain
Prior art keywords
acid catalyst
polymerization
acid
acrylic
salts
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES98918759T
Other languages
English (en)
Inventor
William C Pike
Duane B Priddy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of ES2181206T3 publication Critical patent/ES2181206T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F12/00Homopolymers 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 an aromatic carbocyclic ring
    • C08F12/02Monomers containing only one unsaturated aliphatic radical
    • C08F12/04Monomers containing only one unsaturated aliphatic radical containing one ring

Landscapes

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

Abstract

La presente invención se refiere a un perfeccionamiento del procedimiento de polimerización en masa de radicales libres para la preparación de un polímero de masa molecular elevada a partir de un monómero aromático del vinilo. Este procedimiento se caracteriza porque la polimerización se efectúa en presencia de un catalizador ácido que presenta a 25ºC un pKa inferior a 2 o en presencia de una de sus sales. El perfeccionamiento consiste en dispersar el catalizador ácido o sus sales, en un ácido acrílico o metacrílico, o en uno de sus ésteres, antes del contacto con el monómero acromático de vinilo. Este ácido acrílico o metacrílico o los ésteres correspondientes permiten la dispersión del catalizador ácido en el interior del monómero ácido de vinilo sin provocar la polimerización catiónica. El catalizador ácido o la sal correspondiente cataliza la reacción de polimerización de los radicales libres para producir en plazos de reacción razonables polímeros de masa molecular elevada.
ES98918759T 1997-06-26 1998-04-24 Polimerizacion catalizada por acido mejorada. Expired - Lifetime ES2181206T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5082997P 1997-06-26 1997-06-26

Publications (1)

Publication Number Publication Date
ES2181206T3 true ES2181206T3 (es) 2003-02-16

Family

ID=21967705

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98918759T Expired - Lifetime ES2181206T3 (es) 1997-06-26 1998-04-24 Polimerizacion catalizada por acido mejorada.

Country Status (14)

Country Link
US (1) US5948874A (es)
EP (1) EP0990004B1 (es)
JP (1) JP2002506478A (es)
CN (1) CN1261378A (es)
AU (1) AU730639B2 (es)
BR (1) BR9810454A (es)
CA (1) CA2288857A1 (es)
CO (1) CO5040129A1 (es)
DE (1) DE69807079T2 (es)
ES (1) ES2181206T3 (es)
HU (1) HUP0004087A3 (es)
ID (1) ID22688A (es)
PL (1) PL337689A1 (es)
WO (1) WO1999000432A1 (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6084044A (en) * 1994-12-14 2000-07-04 The Dow Chemical Company Catalyzed process for producing high molecular weight monovinylidene aromatic polymers
US6214945B1 (en) * 1999-05-07 2001-04-10 The Dow Chemical Company Process for producing high molecular weight monovinylidene aromatic polymers and polymodal compositions
EP1226019B1 (en) * 1999-11-05 2004-03-03 Z Corporation Methods of three-dimensional printing
JP4032033B2 (ja) * 2003-06-30 2008-01-16 ローム アンド ハース カンパニー 高純度メタクリル酸の製造法
EP2089215B1 (en) 2006-12-08 2015-02-18 3D Systems Incorporated Three dimensional printing material system
JP5129267B2 (ja) 2007-01-10 2013-01-30 スリーディー システムズ インコーポレーテッド 改良された色、物品性能及び使用の容易さ、を持つ3次元印刷材料システム
US7968626B2 (en) 2007-02-22 2011-06-28 Z Corporation Three dimensional printing material system and method using plasticizer-assisted sintering
WO2014111292A1 (en) 2013-01-18 2014-07-24 Basf Se Acrylic dispersion-based coating compositions
CN104017124A (zh) * 2014-03-13 2014-09-03 南京工业大学 一种含有2-丙烯酰胺-2-甲基丙磺酸(amps)的高分子皂洗剂的制备
TWI664199B (zh) * 2014-12-26 2019-07-01 日商日鐵化學材料股份有限公司 末端改質可溶性多官能乙烯基芳香族共聚合物、其製造方法、硬化性組成物、硬化物、膜、硬化性複合材料、積層體、帶有樹脂的金屬箔、電路基板材料用清漆、硬化性樹脂組成物、光導波管形成用樹脂膜及光導波管
CN110257041B (zh) * 2019-06-26 2021-05-14 滨州学院 压裂液用瓜尔胶-纳米纤维素纤维交联增稠剂及制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5254650A (en) * 1988-07-22 1993-10-19 Kayaku Akzo Corporation Process for the preparation of styrene or styrene derivative-containing copolymers
US5115055A (en) * 1991-05-23 1992-05-19 The Dow Chemical Company Hydroperoxide catalyzed free radical polymerization of vinyl aromatic monomers
US5145924A (en) * 1991-02-06 1992-09-08 The Dow Chemical Company Free radical polymerization of styrene monomer
WO1992013904A1 (en) * 1991-02-06 1992-08-20 The Dow Chemical Company Free radical polymerization of vinyl aromatic monomers
JPH10510858A (ja) * 1994-12-14 1998-10-20 ザ ダウ ケミカル カンパニー ビニル酸触媒のフリーラジカル重合による高分子量ポリスチレンの製造
US5608023A (en) * 1995-03-30 1997-03-04 Xerox Corporation Rate enhanced polymerization processes

Also Published As

Publication number Publication date
CN1261378A (zh) 2000-07-26
EP0990004B1 (en) 2002-08-07
PL337689A1 (en) 2000-08-28
HUP0004087A3 (en) 2001-04-28
CA2288857A1 (en) 1999-01-07
DE69807079T2 (de) 2002-12-05
EP0990004A1 (en) 2000-04-05
JP2002506478A (ja) 2002-02-26
BR9810454A (pt) 2000-09-05
ID22688A (id) 1999-12-09
AU730639B2 (en) 2001-03-08
US5948874A (en) 1999-09-07
AU7162398A (en) 1999-01-19
CO5040129A1 (es) 2001-05-29
HUP0004087A2 (en) 2001-03-28
DE69807079D1 (de) 2002-09-12
WO1999000432A1 (en) 1999-01-07

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