DE2755245C2 - Verfahren zur Herstellung von pulverförmigem Kautschuk - Google Patents

Verfahren zur Herstellung von pulverförmigem Kautschuk

Info

Publication number
DE2755245C2
DE2755245C2 DE2755245A DE2755245A DE2755245C2 DE 2755245 C2 DE2755245 C2 DE 2755245C2 DE 2755245 A DE2755245 A DE 2755245A DE 2755245 A DE2755245 A DE 2755245A DE 2755245 C2 DE2755245 C2 DE 2755245C2
Authority
DE
Germany
Prior art keywords
rubber
water
copolymer
emulsion
anionic
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
Application number
DE2755245A
Other languages
German (de)
English (en)
Other versions
DE2755245A1 (de
Inventor
Takao Hayashi
Yasuhiro Sakanaka
Akihiko Shin-nanyo Yamaguchi Shimizu
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.)
Tosoh Corp
Original Assignee
Toyo Soda Manufacturing Co Ltd
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 Toyo Soda Manufacturing Co Ltd filed Critical Toyo Soda Manufacturing Co Ltd
Publication of DE2755245A1 publication Critical patent/DE2755245A1/de
Application granted granted Critical
Publication of DE2755245C2 publication Critical patent/DE2755245C2/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/16—Powdering or granulating by coagulating dispersions
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2321/00—Characterised by the use of unspecified rubbers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S528/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S528/931—Physical treatment of natural rubber or natural rubber containing material or chemical treatment of non-rubber portion thereof, e.g. extraction of rubber from milk weed
    • Y10S528/934—Latex
    • Y10S528/936—Coagulating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
DE2755245A 1976-12-13 1977-12-12 Verfahren zur Herstellung von pulverförmigem Kautschuk Expired DE2755245C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14873276A JPS5373244A (en) 1976-12-13 1976-12-13 Manufacture of powdered rubber

Publications (2)

Publication Number Publication Date
DE2755245A1 DE2755245A1 (de) 1978-06-15
DE2755245C2 true DE2755245C2 (de) 1986-01-30

Family

ID=15459358

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2755245A Expired DE2755245C2 (de) 1976-12-13 1977-12-12 Verfahren zur Herstellung von pulverförmigem Kautschuk

Country Status (5)

Country Link
US (1) US4194999A (enExample)
JP (1) JPS5373244A (enExample)
DE (1) DE2755245C2 (enExample)
FR (1) FR2373564A1 (enExample)
GB (1) GB1562939A (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4269740A (en) * 1979-09-28 1981-05-26 The B. F. Goodrich Company Process for producing elastomeric particles free of agglomeration
US4298654A (en) * 1980-04-28 1981-11-03 The B. F. Goodrich Company Powdered elastomers and process therefor
JPS57147A (en) * 1980-05-31 1982-01-05 Toyo Soda Mfg Co Ltd Production of powderd rubber
US4348492A (en) * 1980-10-30 1982-09-07 The United States Of America As Represented By The Secretary Of Agriculture Starch adduct encasement of particulate elastomers
US4393202A (en) * 1982-08-17 1983-07-12 National Starch And Chemical Corporation Method for dewatering starch slurries containing swollen starch granules resulting from treatment with cationic reagents
US4511696A (en) * 1983-06-29 1985-04-16 Shell Oil Company Method for protectively coating a polymer
JPS60163934A (ja) * 1984-02-06 1985-08-26 Nippon Zeon Co Ltd 複合重合体の製造方法
JPS6140343A (ja) * 1984-08-01 1986-02-26 Toyo Soda Mfg Co Ltd 粉末ゴムの製法
JPH07116324B2 (ja) * 1985-10-31 1995-12-13 東ソー株式会社 高硬度ゴム組成物
FR2618373B1 (fr) * 1987-07-23 1990-03-23 Arjomari Prioux Feuille thermoplastique renforcee et son procede de fabrication
JP4817403B2 (ja) * 1999-12-20 2011-11-16 ローム アンド ハース カンパニー 肥大化ラテックスの製造方法
RU2186072C1 (ru) * 2000-12-04 2002-07-27 Федеральное государственное унитарное предприятие "Научно-исследовательский институт синтетического каучука им. академика С.В.Лебедева" Способ выделения бутадиен-стирольных (метил-стирольных) и бутадиеновых каучуков из латексов
ATE497995T1 (de) * 2004-12-27 2011-02-15 Kaneka Corp Thermoplastharzzusammensetzung
CA2599318A1 (en) * 2005-02-28 2006-09-08 Kaneka Corporation Process for producing aggregated latex particle
JP5010465B2 (ja) * 2005-02-28 2012-08-29 株式会社カネカ 凝固ラテックス粒子の製造方法
RU2281293C1 (ru) * 2005-06-07 2006-08-10 Евгений Анатольевич Батищев Коагулянт для выделения синтетических каучуков из жидких сред
US7728055B2 (en) * 2005-07-28 2010-06-01 Kaneka Corporation Process for producing coagulated latex particles
JP5279080B2 (ja) * 2009-03-24 2013-09-04 国立大学法人高知大学 Ｐｇａイオンコンプレックス
CN106032394B (zh) * 2015-03-17 2017-08-22 中国石油化工股份有限公司 一种异戊橡胶的生产方法和异戊橡胶及其应用
CN111909398B (zh) * 2020-07-27 2022-08-19 浙江天晨胶业股份有限公司 一种粉末丁苯橡胶及其制备方法
CN113121727B (zh) * 2021-04-13 2023-03-14 长春工业大学 一种abs接枝共聚物絮凝破乳的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB388341A (en) * 1932-10-18 1933-02-23 Martinus Joannes Stam Process for the preparation of pulveriform rubber
FR1534717A (fr) * 1967-02-27 1968-08-02 Pechiney Saint Gobain Procédé d'obtention de polymères caoutchouteux n'ayant pas tendance à l'agglomération
US3632507A (en) * 1970-06-30 1972-01-04 Standard Brands Chem Ind Inc Flocculation of particles dispersed in aqueous media and flocculants used therein
US3915909A (en) * 1973-06-23 1975-10-28 Bayer Ag Recovery of rubber as a powder from its aqueous dispersion
US3875104A (en) * 1973-12-17 1975-04-01 American Cyanamid Co Coagulation of oil-extended emulsions
JPS545825B2 (enExample) * 1974-09-25 1979-03-22
DE2529512C2 (de) * 1975-07-02 1984-10-04 Henkel KGaA, 4000 Düsseldorf Klebmittel auf Basis von wäßrigen Dispersionen von Copolymerisaten des Butadiens

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NICHTS-ERMITTELT

Also Published As

Publication number Publication date
DE2755245A1 (de) 1978-06-15
US4194999A (en) 1980-03-25
FR2373564A1 (fr) 1978-07-07
GB1562939A (en) 1980-03-19
JPS579562B2 (enExample) 1982-02-22
JPS5373244A (en) 1978-06-29
FR2373564B1 (enExample) 1981-04-30

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: C08C 1/02

D2 Grant after examination
8364 No opposition during term of opposition