EP1525259A1 - Kautschukzusammensetzung für reifen, die zyklische polysulfide-kupplungsmittel enhält - Google Patents

Kautschukzusammensetzung für reifen, die zyklische polysulfide-kupplungsmittel enhält

Info

Publication number
EP1525259A1
EP1525259A1 EP03764971A EP03764971A EP1525259A1 EP 1525259 A1 EP1525259 A1 EP 1525259A1 EP 03764971 A EP03764971 A EP 03764971A EP 03764971 A EP03764971 A EP 03764971A EP 1525259 A1 EP1525259 A1 EP 1525259A1
Authority
EP
European Patent Office
Prior art keywords
group
composition according
inorganic filler
elastomer
formula
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.)
Withdrawn
Application number
EP03764971A
Other languages
English (en)
French (fr)
Inventor
Jose Carlos Araujo Da Silva
Christiane Blanchard
Gérard Mignani
Salvatore Pagano
Jean-Claude Tardivat
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
Michelin Recherche et Technique SA Switzerland
Societe de Technologie Michelin SAS
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 Michelin Recherche et Technique SA Switzerland, Societe de Technologie Michelin SAS filed Critical Michelin Recherche et Technique SA Switzerland
Publication of EP1525259A1 publication Critical patent/EP1525259A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/54Silicon-containing compounds
    • C08K5/548Silicon-containing compounds containing sulfur
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L21/00Compositions of unspecified rubbers

Definitions

  • a coupling agent also called a bonding agent, which has the function of ensuring the bond between the surface of the particles of inorganic filler and the elastomer, while facilitating the dispersion of this filler inorganic within the elastomeric matrix.
  • the BET specific surface is determined in a known manner by gas adsorption using the Brunauer-Emmett-Teller method described in "The Journal of the American Chemical Society” Vol. 60, page 309, February 1938, more precisely according to French standard NF ISO 9277 of December 1996 [multi-point volumetric method (5 points) - gas: nitrogen - degassing: hour at 160 ° C - relative pressure range p / in: 0.05 at 0.17].
  • the CTAB specific surface is the external surface determined according to French standard NF T 45-007 of November 1987 (method B).
  • organosilicon compound used as coupling agent in the compositions in accordance with the invention is that this compound can be grafted onto the elastomer by means of a sulfur group with cyclic polysulfide function, of formula:
  • organicsilicon (or “organosilicon”) compound must be understood, by definition, an organic compound containing at least one Carbon-Silicon bond.
  • Group Z preferably comprises from 1 to 18 carbon atoms, it more preferably represents an alkylene chain, a saturated cycloalkylene group, an arylene group, or a divalent group consisting of a combination of at least two of these groups. It is more preferably selected from alkylenes and Ci-Cjg arylene C 6 -C 2; it can be substituted or interrupted by one or more heteroatoms, chosen in particular from S, O and. N. Even more preferably, Z is a C ⁇ -C 8 alkylene, better a C alkylene ! -C 4 , in particular methylene, ethylene or propylene, more particularly propylene.
  • the cyclic polysulphide group corresponds to formula (I) in which at least one, preferably all of the following characteristics is verified:
  • R 4 and R 5 are both chosen from methyl, ethyl, propyl, isopropyl;
  • Tables 1 and 2 give the formulation of the two compositions (Table 1 - rate of the various products expressed in phr) as well as their properties before and after cooking (at the optimum cooking at 150 ° C.).
  • the appended figure shows the evolution of the rheometric torque (in dN.m) as a function of time (in min), for a temperature of 150 ° C., the curves denoted Cl and C2 corresponding respectively to the compositions C-1 and C-2.
  • the rheometric curves of the appended figure confirm the superiority of the composition according to the invention (curve C2) in terms of a share of vulcanization kinetics (see slope K of the curve of increase in torque, after 8 to 10 min of cooking), on the other hand vulcanization yield (see maximum torque, for example after 20 min of cooking).

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
EP03764971A 2002-07-19 2003-07-11 Kautschukzusammensetzung für reifen, die zyklische polysulfide-kupplungsmittel enhält Withdrawn EP1525259A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0209295 2002-07-19
FR0209295 2002-07-19
PCT/EP2003/007528 WO2004009695A1 (fr) 2002-07-19 2003-07-11 Composition de caoutchouc pour pneumatique comportant un agent de couplage a fonction polysulfure cyclique

Publications (1)

Publication Number Publication Date
EP1525259A1 true EP1525259A1 (de) 2005-04-27

Family

ID=30470941

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03764971A Withdrawn EP1525259A1 (de) 2002-07-19 2003-07-11 Kautschukzusammensetzung für reifen, die zyklische polysulfide-kupplungsmittel enhält

Country Status (3)

Country Link
EP (1) EP1525259A1 (de)
AU (1) AU2003257451A1 (de)
WO (1) WO2004009695A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6009381B2 (ja) * 2013-03-15 2016-10-19 東洋ゴム工業株式会社 有機シラン及びその製造方法
JP6018001B2 (ja) * 2013-03-15 2016-11-02 東洋ゴム工業株式会社 ゴム組成物及び空気入りタイヤ
JP6161506B2 (ja) * 2013-10-17 2017-07-12 東洋ゴム工業株式会社 有機シラン及びそれを用いたゴム組成物
JP6377476B2 (ja) * 2014-09-25 2018-08-22 東洋ゴム工業株式会社 有機シラン及びそれを用いたゴム組成物
JP7840629B2 (ja) 2019-02-25 2026-04-06 株式会社Eneosマテリアル 含硫黄シラン化合物およびその組成物

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4100172A (en) * 1971-10-07 1978-07-11 Union Carbide Corporation Sulfur containing norbornanyl silicon compounds
US6222055B1 (en) * 1995-07-06 2001-04-24 Fraunhofer-Gesellschaft Zur Foerderung Der Angwandten Forschung E.V. Hydrolyzable and polymerizable and/or polyadditive silanes
US6350797B1 (en) * 1999-12-22 2002-02-26 Crompton Corporation Use of cyclic sulfur silanes as coupling agents in sulfur-vulcanizable, silica-reinforced tire rubber compositions

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004009695A1 *

Also Published As

Publication number Publication date
AU2003257451A1 (en) 2004-02-09
WO2004009695A1 (fr) 2004-01-29

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Inventor name: MIGNANI, GERARD

Inventor name: BLANCHARD, CHRISTIANE

Inventor name: ARAUJO DA SILVA, JOSE, CARLOS

Inventor name: TARDIVAT, JEAN-CLAUDE

Inventor name: PAGANO, SALVATOREC/O MICHELIN OKAMOTO TIRE CORP.

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