DE69017587T2 - Verfahren zur Entfernung von Dimeren von Chloropren aus Polychloropren. - Google Patents

Verfahren zur Entfernung von Dimeren von Chloropren aus Polychloropren.

Info

Publication number
DE69017587T2
DE69017587T2 DE69017587T DE69017587T DE69017587T2 DE 69017587 T2 DE69017587 T2 DE 69017587T2 DE 69017587 T DE69017587 T DE 69017587T DE 69017587 T DE69017587 T DE 69017587T DE 69017587 T2 DE69017587 T2 DE 69017587T2
Authority
DE
Germany
Prior art keywords
polychloroprene
chloroprene
dimers
removal
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 - Fee Related
Application number
DE69017587T
Other languages
English (en)
Other versions
DE69017587D1 (de
Inventor
Fred Yerkes Kafka
Archie Robert Bice
Donald Keith Burchett
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of DE69017587D1 publication Critical patent/DE69017587D1/de
Publication of DE69017587T2 publication Critical patent/DE69017587T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C1/00—Treatment of rubber latex
    • C08C1/14—Coagulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/535—Screws with thread pitch varying along the longitudinal axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/55—Screws having reverse-feeding elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/76—Venting, drying means; Degassing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C3/00—Treatment of coagulated rubber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
DE69017587T 1989-10-31 1990-10-26 Verfahren zur Entfernung von Dimeren von Chloropren aus Polychloropren. Expired - Fee Related DE69017587T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/429,577 US4943402A (en) 1989-10-31 1989-10-31 Process for removing chloroprene dimers from polychloroprene

Publications (2)

Publication Number Publication Date
DE69017587D1 DE69017587D1 (de) 1995-04-13
DE69017587T2 true DE69017587T2 (de) 1995-08-17

Family

ID=23703832

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69017587T Expired - Fee Related DE69017587T2 (de) 1989-10-31 1990-10-26 Verfahren zur Entfernung von Dimeren von Chloropren aus Polychloropren.

Country Status (5)

Country Link
US (1) US4943402A (de)
EP (1) EP0426023B1 (de)
JP (1) JPH0733020B2 (de)
CN (1) CN1044100C (de)
DE (1) DE69017587T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2075487C1 (ru) * 1989-10-31 1997-03-20 Е.И.Дюпон Де Немур Энд Компани Способ получения эластомера
DE69033455T2 (de) * 1989-10-31 2000-09-21 E I Du Pont De Nemours & Co N Vorkoagulationsverfahren zur Einführung von organischen faserartigen Füllstoffen in SBR
US5041249A (en) * 1989-12-26 1991-08-20 Exxon Chemical Patent Inc. Process for low-temperature elastomer finishing
EP0471103B1 (de) * 1990-08-16 1994-08-17 Societe Des Produits Nestle S.A. Verfahren zur Herstellung von Teigwaren durch Extrusion und Einrichtung dafür
US5151026A (en) * 1990-10-31 1992-09-29 Werner & Pfleiderer Corp. Apparatus for removing liquids from solids
US5232649A (en) * 1990-10-31 1993-08-03 Werner & Pfleiderer Method of removing liquids from solids
DE4115583A1 (de) * 1991-05-13 1992-11-19 Johannes Dr Ing Weber Mehrfachschneckenextruder
DE4118530A1 (de) * 1991-06-06 1992-12-10 Werner & Pfleiderer Verfahren und einrichtung zur aufbereitung oder herstellung von kunststoffen
US5401833A (en) * 1993-02-01 1995-03-28 United States Leather Holdings, Inc. Method and apparatus for treating chrome leather waste
CH687842A5 (fr) * 1994-04-28 1997-03-14 Nestle Sa Procédé de fabrication de pâtes alimentaires.
JPH10502308A (ja) * 1994-07-08 1998-03-03 ベー・テー・ベー・ベートン・アクティーゼルスカブ 粒状材料を押出成型するための方法および装置
US6576131B1 (en) 1997-12-16 2003-06-10 Flint Ink Corporation Process and apparatus for changing the wetting agent of pigments
JP2000044669A (ja) * 1998-08-04 2000-02-15 Teijin Ltd 芳香族ポリカーボネートの製造方法および真空捕集系
US6348091B1 (en) 1999-09-17 2002-02-19 Flint Ink Corporation Process and apparatus for preparing pigment flush in response to a material property value
EP1778794B1 (de) * 2004-08-17 2010-10-06 Flint Group Incorporated Verfahren zur herstellung organischer pigmentdispersionen und tinte
US20070269755A2 (en) * 2006-01-05 2007-11-22 Petro-Chem Development Co., Inc. Systems, apparatus and method for flameless combustion absent catalyst or high temperature oxidants
US20090270573A1 (en) * 2008-04-29 2009-10-29 Christopher John Bish Process for coagulating perfluoroelastomers
JP5748259B2 (ja) * 2008-10-27 2015-07-15 日本合成化学工業株式会社 ビニルアルコール系樹脂の製造方法
CN102909796B (zh) * 2011-08-03 2017-05-17 天胶科技(大连)有限公司 天然橡胶初加工装置及其方法
JP5901338B2 (ja) * 2012-02-17 2016-04-06 株式会社Adeka 感熱凝固性水系ポリウレタン樹脂組成物及びこれを用いた皮革様材料の製造方法
JP6659224B2 (ja) * 2015-03-02 2020-03-04 旭化成株式会社 共役ジエン重合体の製造方法
CN107452446A (zh) * 2017-07-05 2017-12-08 成都华尔森环保科技有限公司 一种仿硅胶电线
WO2022145448A1 (ja) 2020-12-28 2022-07-07 昭和電工株式会社 ポリクロロプレンラテックス組成物

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US30378A (en) * 1860-10-09 mcnish
US3988306A (en) * 1975-04-28 1976-10-26 Petro-Tex Chemical Corporation Polychloroprene powders
US4508592A (en) * 1976-08-04 1985-04-02 Exxon Research & Engineering Co. Elastomer extrusion drying with gas injection
GB1590532A (en) * 1976-08-04 1981-06-03 Exxon Research Engineering Co Elastomer extrusion drying with gas injection
US4183887A (en) * 1977-04-28 1980-01-15 Copolymer Rubber & Chemical Corporation Method for producing free flowing particles of elastomeric material
USRE30378E (en) 1977-09-12 1980-08-19 E. I. Dupont De Nemours And Company Process for recovery of polymers from their dispersions in liquids
US4136251A (en) * 1977-09-12 1979-01-23 E. I. Du Pont De Nemours And Company Extrusion process for recovery of polymers from their dispersions in liquids
US4213888A (en) * 1978-07-14 1980-07-22 Copolymer Rubber & Chemical Corporation Particulate elastomeric materials and method
JPS6010885A (ja) * 1983-06-29 1985-01-21 Fujitsu Ltd 映像用簡易無線装置
JPS6153364A (ja) * 1984-08-22 1986-03-17 Mitsui Petrochem Ind Ltd 芳香族系重合体用顔料分散剤
JPH069825B2 (ja) * 1988-02-08 1994-02-09 東芝機械株式会社 ２軸押出機によるゴム状重合体の脱水乾燥方法

Also Published As

Publication number Publication date
CN1051364A (zh) 1991-05-15
EP0426023B1 (de) 1995-03-08
JPH0733020B2 (ja) 1995-04-12
US4943402A (en) 1990-07-24
DE69017587D1 (de) 1995-04-13
JPH03203609A (ja) 1991-09-05
EP0426023A1 (de) 1991-05-08
CN1044100C (zh) 1999-07-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee