ATE240780T1 - Polymerisationsverfahren und -vorrichtung - Google Patents

Polymerisationsverfahren und -vorrichtung

Info

Publication number
ATE240780T1
ATE240780T1 AT96918199T AT96918199T ATE240780T1 AT E240780 T1 ATE240780 T1 AT E240780T1 AT 96918199 T AT96918199 T AT 96918199T AT 96918199 T AT96918199 T AT 96918199T AT E240780 T1 ATE240780 T1 AT E240780T1
Authority
AT
Austria
Prior art keywords
mixture
polymerization
heated
controlled atmosphere
polymerization process
Prior art date
Application number
AT96918199T
Other languages
English (en)
Inventor
Clarence S Freeman
Matthew Max Freeman
Jon Joseph Freeman
Original Assignee
Clarence S Freeman
Matthew Max Freeman
Jon Joseph Freeman
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27413475&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE240780(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Clarence S Freeman, Matthew Max Freeman, Jon Joseph Freeman filed Critical Clarence S Freeman
Application granted granted Critical
Publication of ATE240780T1 publication Critical patent/ATE240780T1/de

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
    • C08F20/00Homopolymers and 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
    • C08F20/02Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/04Acids, Metal salts or ammonium salts thereof
    • C08F20/06Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J10/00Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
    • B01J10/002Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor carried out in foam, aerosol or bubbles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J14/00Chemical processes in general for reacting liquids with liquids; Apparatus specially adapted therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/26Nozzle-type reactors, i.e. the distribution of the initial reactants within the reactor is effected by their introduction or injection through nozzles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • B01J2/04Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00Making granules
    • B29B9/10Making granules by moulding the material, i.e. treating it in the molten state
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00074Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00076Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
    • B01J2219/00083Coils
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00074Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/0009Coils
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00074Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00099Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor the reactor being immersed in the heat exchange medium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00132Controlling the temperature using electric heating or cooling elements
    • B01J2219/00135Electric resistance heaters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/0015Controlling the temperature by thermal insulation means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00162Controlling or regulating processes controlling the pressure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polymerisation Methods In General (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
AT96918199T 1995-06-07 1996-06-06 Polymerisationsverfahren und -vorrichtung ATE240780T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US47916795A 1995-06-07 1995-06-07
US48607995A 1995-06-07 1995-06-07
US48380095A 1995-06-07 1995-06-07
PCT/US1996/009132 WO1996040427A1 (en) 1995-06-07 1996-06-06 A polymerization process, apparatus and polymer

Publications (1)

Publication Number Publication Date
ATE240780T1 true ATE240780T1 (de) 2003-06-15

Family

ID=27413475

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96918199T ATE240780T1 (de) 1995-06-07 1996-06-06 Polymerisationsverfahren und -vorrichtung

Country Status (7)

Country Link
EP (1) EP0873185B1 (de)
JP (1) JPH11507094A (de)
AT (1) ATE240780T1 (de)
BR (1) BR9609057A (de)
DE (1) DE69628330D1 (de)
IN (1) IN1996KO01040A (de)
WO (1) WO1996040427A1 (de)

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6391986B1 (en) 2000-12-05 2002-05-21 Union Carbide Chemicals & Plastics Technology Corporation Control of solution catalyst droplets
US6869551B2 (en) * 2001-03-30 2005-03-22 Picoliter Inc. Precipitation of solid particles from droplets formed using focused acoustic energy
DE10314466A1 (de) * 2003-03-28 2004-10-14 Basf Ag Verfahren zur Herstellung von kondensierten Harzen in Pulverform
DE10340253A1 (de) * 2003-08-29 2005-03-24 Basf Ag Sprühpolymerisationsverfahren
CA2557199A1 (en) * 2004-02-24 2005-09-09 Luna Innovations Incorporated Process and systems for the efficient production of polymeric microspheres
DE102004024437A1 (de) * 2004-05-14 2005-12-08 Basf Ag Verfahren zur Herstellung wasserquellbarer, polymerer Partikel
DE102004042948A1 (de) 2004-09-02 2006-03-09 Basf Ag Verfahren zur Herstellung von Polymeren durch Sprühpolymerisation
DE102005002412A1 (de) 2005-01-18 2006-07-27 Basf Ag Verfahren zur Herstellung von Polymeren durch Sprühpolymerisation
JP5101300B2 (ja) 2005-01-28 2012-12-19 ビーエーエスエフ ソシエタス・ヨーロピア 気相中での液滴重合によって、吸水性ポリマー粒子を製造する方法
DE102005019398A1 (de) * 2005-04-25 2006-10-26 Basf Ag Verfahren zur Herstellung von Fällungspolymeren durch Sprühpolymerisation
DE102005044035A1 (de) 2005-09-14 2007-03-15 Basf Ag Verfahren zum Vertropfen von Flüssigkeiten
WO2007093531A1 (de) * 2006-02-17 2007-08-23 Basf Se Verfahren zur herstellung wasserabsorbierender polymerpartikel durch polymerisation von tropfen einer monomerlösung
JP5306197B2 (ja) * 2006-07-19 2013-10-02 ビーエーエスエフ ソシエタス・ヨーロピア モノマー溶液の液滴の重合による、吸水性ポリマー粒子の製造方法
ATE496638T1 (de) * 2006-07-19 2011-02-15 Basf Se Verfahren zur herstellung wasserabsorbierender polymerpartikel mit hoher permeabilität durch polymerisation von tropfen einer monomerlösung
JP5669391B2 (ja) 2006-07-19 2015-02-12 ビーエーエスエフ ソシエタス・ヨーロピアBasf Se 高い透過性を有する吸水性ポリマー粒子の重合による製造方法
BRPI0714447B1 (pt) 2006-07-19 2019-02-19 Basf Se Processo para preparar partículas poliméricas absorvedoras de água, partículas poliméricas absorvedoras de água, uso das particulás poliméricas, e, artigo de higiene
WO2008009580A1 (de) 2006-07-19 2008-01-24 Basf Se Verfahren zur herstellung nachvernetzter wasserabsorbierender polymerpartikel mit hoher absorption durch polymerisation von tropfen einer monomerlösung
CN101522719A (zh) 2006-10-05 2009-09-02 巴斯夫欧洲公司 通过聚合单体溶液液滴生产吸水性聚合物颗粒的方法
DE502007005986D1 (de) 2006-10-05 2011-01-27 Basf Se Verfahren zur herstellung wasserabsorbierender polymerpartikel durch polymerisation von tropfen einer monomerlösung
EP2089151B1 (de) 2006-10-31 2016-05-25 Basf Se Regelung eines verfahrens zur herstellung wasserabsorbierender polymerpartikel in einer erwärmten gasphase
BRPI0720482B8 (pt) 2006-12-22 2021-07-27 Basf Se processo para produzir partículas poliméricas absorventes de água, partículas poliméricas absorvedoras de água, uso de partículas poliméricas, e, artigo de higiene
US8419971B2 (en) 2006-12-22 2013-04-16 Basf Se Method for producing mechanically stable water-absorbent polymer particles
JP5419712B2 (ja) 2007-02-06 2014-02-19 ビーエーエスエフ ソシエタス・ヨーロピア モノマー溶液の液滴の重合による吸水性ポリマー粒子を製造する方法
DE102008043523A1 (de) 2007-11-16 2009-05-20 Basf Se Verfahren zur Herstellung von Polyvinylpyrrolidonen durch Sprühpolymerisation
JP5410412B2 (ja) 2008-03-31 2014-02-05 株式会社日本触媒 吸水性樹脂を主成分とする粒子状吸水剤の製造方法及びその製造装置
CN102083865B (zh) 2008-07-07 2013-01-02 巴斯夫欧洲公司 通过聚合单体溶液的液滴生产吸水性聚合物颗粒的方法
EP2313041B1 (de) 2008-08-06 2013-07-17 Basf Se Flüssigkeit absorbierende artikel
JP5496200B2 (ja) 2008-08-06 2014-05-21 ビーエーエスエフ ソシエタス・ヨーロピア 流体吸収性物品
WO2010015591A1 (en) 2008-08-06 2010-02-11 Basf Se Fluid-absorbent articles
CN105237672A (zh) 2008-11-21 2016-01-13 巴斯夫欧洲公司 一种通过单体溶液液滴的聚合而制备渗透性吸水聚合物颗粒的方法
EP2277558B1 (de) 2009-07-20 2014-07-02 The Procter and Gamble Company Superabsorbierende Polymerverbundpartikel und Verfahren dafür
EP2277557B1 (de) 2009-07-20 2014-06-25 The Procter and Gamble Company Beschichtete superabsorbierende Polymerpartikel und Verfahren zu ihrer Herstellung
EP2470222B1 (de) 2009-08-25 2015-10-14 Basf Se Verfahren zur herstellung wasserabsorbierender polymerpartikel mit verbesserter blutabsorption durch polymerisation von tropfen einer monomerlösung
JP5615365B2 (ja) 2009-08-28 2014-10-29 ビーエーエスエフ ソシエタス・ヨーロピアBasf Se トリクロサン被覆超吸収材の製造方法
US8481159B2 (en) 2009-09-04 2013-07-09 Basf Se Water-absorbent porous polymer particles having specific sphericity and high bulk density
CN102597082A (zh) 2009-09-16 2012-07-18 巴斯夫欧洲公司 颜色稳定的超吸收剂
US8815770B2 (en) 2009-09-17 2014-08-26 Basf Se Color-stable superabsorber
RU2012143697A (ru) 2010-03-15 2014-04-20 Басф Се Способ получения водопоглощающих полимерных частиц путем полимеризации капель раствора мономеров
US8852742B2 (en) 2010-03-15 2014-10-07 Basf Se Water absorbent polymer particles formed by polymerizing droplets of a monomer solution and coated with sulfinic acid, sulfonic acid, and/or salts thereof
EP2549968B1 (de) 2010-03-24 2022-01-05 Basf Se Ultradünne flüssigkeitsabsorbierende kerne
WO2011117215A1 (de) 2010-03-24 2011-09-29 Basf Se Verfahren zur entfernung von restmonomeren aus wasserabsorbierenden polymerpartikeln
WO2011117263A1 (en) 2010-03-24 2011-09-29 Basf Se A process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution
WO2013045163A1 (en) 2011-08-12 2013-04-04 Basf Se A process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution
CN104245760A (zh) 2012-03-30 2014-12-24 巴斯夫欧洲公司 颜色稳定的超吸收剂
WO2013144026A1 (de) 2012-03-30 2013-10-03 Basf Se Farbstabiler superabsorber
MY171776A (en) 2012-11-21 2019-10-29 Basf Se A process for producing surface-postcrosslinked water-absorbent polymer particles
WO2014079710A1 (en) 2012-11-21 2014-05-30 Basf Se A process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution
US9765167B2 (en) 2013-07-31 2017-09-19 Basf Se Reverse-phase polymerisation process
WO2015028158A1 (en) 2013-08-26 2015-03-05 Basf Se Fluid-absorbent article
US9914112B2 (en) 2014-01-24 2018-03-13 Basf Se Process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution
US10806640B2 (en) 2016-03-30 2020-10-20 Basf Se Ultrathin fluid-absorbent article
US10881555B2 (en) 2016-03-30 2021-01-05 Basf Se Fluid-absorbent article
US20170281425A1 (en) 2016-03-30 2017-10-05 Basf Se Fluid-absorbent article
US11931928B2 (en) 2016-12-29 2024-03-19 Evonik Superabsorber Llc Continuous strand superabsorbent polymerization
CN110248631B (zh) 2017-02-06 2021-12-10 巴斯夫欧洲公司 流体吸收制品
WO2018149783A1 (en) 2017-02-17 2018-08-23 Basf Se Fluid-absorbent article
EP3706900B1 (de) 2017-11-10 2022-12-07 Basf Se Superabsorber
CN111954692A (zh) 2018-04-10 2020-11-17 巴斯夫欧洲公司 渗透性超吸收剂及其制备方法
EP3781107B1 (de) 2018-04-20 2024-09-25 Basf Se Saugfähiges dünnes flüssigkeitsabsorbierendes papier
DE102019216910A1 (de) 2018-11-12 2020-05-14 Basf Se Verfahren zur Oberflächennachvernetzung von Superabsorbern
EP4004072A1 (de) 2019-07-24 2022-06-01 Basf Se Permeables absorptionsmittel und verfahren zur herstellung davon
CN112480300A (zh) * 2020-11-30 2021-03-12 浙江卫星新材料科技有限公司 一种光缆电缆阻水用高吸收性树脂的制备方法
IT202100012473A1 (it) * 2021-05-14 2022-11-14 Resourseas S R L Reattore e processo di precipitazione di un prodotto solido

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE514890A (de) * 1951-12-18 1900-01-01
US3325455A (en) * 1963-11-21 1967-06-13 Polymer Corp Method of producing nylon powders
US4623706A (en) * 1984-08-23 1986-11-18 The Dow Chemical Company Process for preparing uniformly sized polymer particles by suspension polymerization of vibratorily excited monomers in a gaseous or liquid stream
JPH0819163B2 (ja) * 1988-04-20 1996-02-28 旭化成工業株式会社 高吸水性材料の製法
US4963226A (en) * 1989-01-23 1990-10-16 The Procter & Gamble Company Process for spray-drying detergent compositions
GB9115170D0 (en) * 1991-07-12 1991-08-28 Dow Corning Sa Process and apparatus for the production of organosilicon compounds
US5269980A (en) * 1991-08-05 1993-12-14 Northeastern University Production of polymer particles in powder form using an atomization technique

Also Published As

Publication number Publication date
BR9609057A (pt) 2002-07-16
DE69628330D1 (de) 2003-06-26
EP0873185B1 (de) 2003-05-21
IN1996KO01040A (de) 2005-03-04
WO1996040427A1 (en) 1996-12-19
JPH11507094A (ja) 1999-06-22
EP0873185A1 (de) 1998-10-28

Similar Documents

Publication Publication Date Title
ATE240780T1 (de) Polymerisationsverfahren und -vorrichtung
CA2198447A1 (en) Process for the production of latices based on conjugated dienes by emulsion polymerisation
DK0719795T3 (da) Fremgangsmåde til fremstilling af en carbamatfunktionel polymer
TR19282A (tr) Vinil kloruerueruenuen daginik mikrosuespansiyon halinde polimerizasyonuna mahsus usul
EP0173789A3 (de) Verfahren zur Herstellung einer Emulsion von einem Vinylharz mit Mikrohohlräumen und Verfahren zu dessen Pulverisierung
SE7508274L (sv) Forfarande och anordning for framstellning av polymerisatdispersioner med lag monomerhalt.
ATE269358T1 (de) Verfahren zur herstellung wässriger polymerdispersionen
GB1457032A (en) Method of and apparatus for stripping volatile material from an aqueous dispersion of polymeric substance
ATE268343T1 (de) Verfahren zur einstellung der teilchengrösse von popcornpolymeren während der popcornpolymerisation
TW430671B (en) A polymerization process, apparatus and polymer
ES475355A1 (es) Procedimiento para desecar polimeros disueltos
EP0372599A3 (de) Verfahren zur Polymerisation von strukturell verschiedenen Monomeren
JPS5247082A (en) Process for producing thermoplastic polymers
JPS5245686A (en) Process for preparing acrylamide polymers
JPS55145714A (en) Preparation of copolymer of alkyl vinyl ether and maleic anhydride
ES2080429T3 (es) Dispersiones de polimeros de pivalato de vinilo, acetato de vinilo y alquileno.
SU1268594A1 (ru) Способ получени модифицированного каолина
SU731753A1 (ru) Способ получени привитых сополиме-POB (MET)АКРилОВыХ или АллилОВыХ MOHO-MEPOB или иХ СМЕСЕй HA ТВЕРдыХ пОВЕРХ-НОСТ Х
JPS5439486A (en) Improved process for preparing stable aqueous emulsion of acrylonitrile polymer
FR2347387A1 (fr) Procede d'enlevement du chlorure de vinyle monomere residuel d'un latex de resine en dispersion
JPS5225894A (en) Process for graft polymerizing hydrophobic synthetic polymers
JPS5217593A (en) Process for producing high-impact resins
JPS5355396A (en) Preparation of impact resistant resin
JPS51129487A (en) A process for producing high-impact resin
JPS538693A (en) Preparation of graft copolymer

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties