FR3088230B3 - PROCESS FOR TREATING A NATURAL RUBBER - Google Patents

PROCESS FOR TREATING A NATURAL RUBBER Download PDF

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Publication number
FR3088230B3
FR3088230B3 FR1860353A FR1860353A FR3088230B3 FR 3088230 B3 FR3088230 B3 FR 3088230B3 FR 1860353 A FR1860353 A FR 1860353A FR 1860353 A FR1860353 A FR 1860353A FR 3088230 B3 FR3088230 B3 FR 3088230B3
Authority
FR
France
Prior art keywords
natural rubber
treating
sheath
injection device
worm machine
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.)
Active
Application number
FR1860353A
Other languages
French (fr)
Other versions
FR3088230A3 (en
Inventor
Jérôme Dussillols
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.)
Compagnie Generale des Etablissements Michelin SCA
Original Assignee
Compagnie Generale des Etablissements Michelin SCA
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 Compagnie Generale des Etablissements Michelin SCA filed Critical Compagnie Generale des Etablissements Michelin SCA
Priority to FR1860353A priority Critical patent/FR3088230B3/en
Priority to PCT/FR2019/052646 priority patent/WO2020094992A1/en
Publication of FR3088230A3 publication Critical patent/FR3088230A3/en
Application granted granted Critical
Publication of FR3088230B3 publication Critical patent/FR3088230B3/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/002—Methods
    • B29B7/007—Methods for continuous mixing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/60—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
    • B29B7/603—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material in measured doses, e.g. proportioning of several materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • B29B7/726—Measuring properties of mixture, e.g. temperature or density
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7476—Systems, i.e. flow charts or diagrams; Plants
    • B29B7/7495—Systems, i.e. flow charts or diagrams; Plants for mixing rubber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/88—Adding charges, i.e. additives
    • B29B7/94—Liquid charges
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/41—Compounds containing sulfur bound to oxygen
    • C08K5/42—Sulfonic acids; Derivatives thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/82—Heating or cooling
    • B29B7/826—Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2007/00—Use of natural rubber as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

La présente invention concerne un procédé de traitement d'un caoutchouc naturel pour stabiliser le caoutchouc naturel. Selon le procédé, le caoutchouc naturel est introduit sous la forme d'un coagulum humide dans une machine à vis sans fin, la machine à vis sans fin étant une extrudeuse qui comprend un fourreau et qui est équipée d'un dispositif d'injection qui comprend un ou plusieurs orifices débouchant dans le fourreau, dits points d'injection, et d'une filière à trous en bout de vis, puis un stabilisant de viscosité est injecté dans le caoutchouc naturel par l'intermédiaire du dispositif d'injection, le caoutchouc naturel est ensuite comprimé dans le fourreau à une température allant de 130°C à 210°C, puis soumis à une détente éclair adiabatique à une pression différentielle supérieure ou égale à 40 bars.The present invention relates to a method of treating natural rubber to stabilize natural rubber. According to the method, natural rubber is introduced in the form of a wet coagulum into a worm machine, the worm machine being an extruder which comprises a sheath and which is equipped with an injection device which comprises one or more orifices opening out into the sheath, called injection points, and a die with holes at the end of the screw, then a viscosity stabilizer is injected into the natural rubber via the injection device, the natural rubber is then compressed in the sleeve at a temperature ranging from 130 ° C to 210 ° C, then subjected to an adiabatic flash expansion at a differential pressure greater than or equal to 40 bars.

FR1860353A 2018-11-09 2018-11-09 PROCESS FOR TREATING A NATURAL RUBBER Active FR3088230B3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1860353A FR3088230B3 (en) 2018-11-09 2018-11-09 PROCESS FOR TREATING A NATURAL RUBBER
PCT/FR2019/052646 WO2020094992A1 (en) 2018-11-09 2019-11-07 Method for processing natural rubber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1860353A FR3088230B3 (en) 2018-11-09 2018-11-09 PROCESS FOR TREATING A NATURAL RUBBER

Publications (2)

Publication Number Publication Date
FR3088230A3 FR3088230A3 (en) 2020-05-15
FR3088230B3 true FR3088230B3 (en) 2020-12-04

Family

ID=68916484

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1860353A Active FR3088230B3 (en) 2018-11-09 2018-11-09 PROCESS FOR TREATING A NATURAL RUBBER

Country Status (2)

Country Link
FR (1) FR3088230B3 (en)
WO (1) WO2020094992A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3114591B1 (en) * 2020-09-25 2022-09-02 Michelin & Cie Process for treating natural rubber
FR3134533A1 (en) * 2022-04-15 2023-10-20 Compagnie Generale Des Etablissements Michelin Process for decontaminating natural rubber by filtration of a moist coagulum of natural rubber.

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3585536B2 (en) * 1994-08-31 2004-11-04 株式会社ブリヂストン Natural rubber and method for producing the same, additive for natural rubber, rubber composition containing the additive, and method for suppressing increase in viscosity of natural rubber by using the additive
JP4111584B2 (en) 1998-04-13 2008-07-02 株式会社ブリヂストン Manufacturing method of natural rubber
JP2009108204A (en) * 2007-10-30 2009-05-21 Bridgestone Corp Modified natural rubber and method for manufacturing it, as well as rubber composition and tire by using it
JP6440354B2 (en) * 2013-12-19 2018-12-19 横浜ゴム株式会社 Manufacturing method of natural rubber
JP6036673B2 (en) * 2013-12-19 2016-11-30 横浜ゴム株式会社 Rubber composition containing natural rubber and method for making natural rubber constant viscosity and suppressing odor
FR3022247B1 (en) 2014-06-13 2018-01-19 Compagnie Generale Des Etablissements Michelin PROCESS FOR PREPARING NATURAL RUBBER
FR3034703B1 (en) 2015-04-10 2017-03-24 Michelin & Cie REMOVAL OF CONTAMINANTS IN WET NATURAL RUBBER
FR3043678B1 (en) 2015-11-17 2018-01-05 Compagnie Generale Des Etablissements Michelin PROCESS FOR PREPARING STABILIZED NATURAL RUBBER
FR3051795B1 (en) * 2016-05-31 2018-06-15 Compagnie Generale Des Etablissements Michelin PROCESS FOR DRYING NATURAL RUBBER
KR102451438B1 (en) * 2017-02-13 2022-10-05 쿠퍼 타이어 앤드 러버 캄파니 Guaryl Latex Extrusion

Also Published As

Publication number Publication date
WO2020094992A1 (en) 2020-05-14
FR3088230A3 (en) 2020-05-15

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