DE69017587D1 - Verfahren zur Entfernung von Dimeren von Chloropren aus Polychloropren. - Google Patents
Verfahren zur Entfernung von Dimeren von Chloropren aus Polychloropren.Info
- Publication number
- DE69017587D1 DE69017587D1 DE69017587T DE69017587T DE69017587D1 DE 69017587 D1 DE69017587 D1 DE 69017587D1 DE 69017587 T DE69017587 T DE 69017587T DE 69017587 T DE69017587 T DE 69017587T DE 69017587 D1 DE69017587 D1 DE 69017587D1
- 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
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)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
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 true DE69017587D1 (de) | 1995-04-13 |
DE69017587T2 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 (24)
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 |
BR9005443A (pt) * | 1989-10-31 | 1991-09-17 | Du Pont | Processo de pre-coagulacao para incorporar enchimento fibroso organico em borracha de estireno-butadieno |
US5041249A (en) * | 1989-12-26 | 1991-08-20 | Exxon Chemical Patent Inc. | Process for low-temperature elastomer finishing |
ES2057296T3 (es) * | 1990-08-16 | 1994-10-16 | Nestle Sa | Procedimiento de fabricacion por extrusion de pastas alimenticias y dispositivo para la realizacion del procedimiento. |
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. |
US6398998B1 (en) * | 1994-07-08 | 2002-06-04 | 3H Inventors Aps | Method for producing bodies of consolidated particulate material |
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 |
US6273599B1 (en) | 1999-09-17 | 2001-08-14 | Flint Ink Corporation | Process for preparing pigment flush |
US7947126B2 (en) * | 2004-08-17 | 2011-05-24 | Flint Group Incorporated | Processes for preparing organic pigment dispersions and ink |
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 |
CN116685655A (zh) | 2020-12-28 | 2023-09-01 | 株式会社力森诺科 | 聚氯丁二烯胶乳组合物 |
WO2024204249A1 (ja) * | 2023-03-29 | 2024-10-03 | デンカ株式会社 | クロロプレン系ラテックス組成物、クロロプレン系ラテックス組成物の製造方法、及び水性接着剤 |
Family Cites Families (11)
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 |
GB1590532A (en) * | 1976-08-04 | 1981-06-03 | Exxon Research Engineering Co | Elastomer extrusion drying with gas injection |
US4508592A (en) * | 1976-08-04 | 1985-04-02 | 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 |
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 |
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 |
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 |
-
1989
- 1989-10-31 US US07/429,577 patent/US4943402A/en not_active Expired - Lifetime
-
1990
- 1990-10-26 DE DE69017587T patent/DE69017587T2/de not_active Expired - Fee Related
- 1990-10-26 EP EP90120555A patent/EP0426023B1/de not_active Expired - Lifetime
- 1990-10-31 CN CN90108890A patent/CN1044100C/zh not_active Expired - Lifetime
- 1990-10-31 JP JP2295136A patent/JPH0733020B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1051364A (zh) | 1991-05-15 |
US4943402A (en) | 1990-07-24 |
JPH0733020B2 (ja) | 1995-04-12 |
JPH03203609A (ja) | 1991-09-05 |
EP0426023A1 (de) | 1991-05-08 |
EP0426023B1 (de) | 1995-03-08 |
CN1044100C (zh) | 1999-07-14 |
DE69017587T2 (de) | 1995-08-17 |
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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 |