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WO2000004098A1 - Composition elastomere et son utilisation dans un article sujet a chargement dynamique - Google Patents

Composition elastomere et son utilisation dans un article sujet a chargement dynamique Download PDF

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Publication number
WO2000004098A1
WO2000004098A1 PCT/DK1999/000402 DK9900402W WO0004098A1 WO 2000004098 A1 WO2000004098 A1 WO 2000004098A1 DK 9900402 W DK9900402 W DK 9900402W WO 0004098 A1 WO0004098 A1 WO 0004098A1
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WO
WIPO (PCT)
Prior art keywords
elastomeric composition
organic
ethylene
particulate
elastomer
Prior art date
Application number
PCT/DK1999/000402
Other languages
English (en)
Inventor
Brian Jaminson
Vivi Bjerre JØRGENSEN
Original Assignee
Aktieselskabet Roulunds Fabriker
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 Aktieselskabet Roulunds Fabriker filed Critical Aktieselskabet Roulunds Fabriker
Priority to AU47702/99A priority Critical patent/AU4770299A/en
Publication of WO2000004098A1 publication Critical patent/WO2000004098A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/16—Ethene-propene or ethene-propene-diene copolymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L21/00—Compositions of unspecified rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
    • C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or halogen-containing compounds
    • C08L23/286—Chlorinated polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
    • C08L23/32—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with compounds containing phosphorus or sulfur
    • C08L23/34—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with compounds containing phosphorus or sulfur by chlorosulfonation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/08—Homopolymers or copolymers of acrylic acid esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • C08L71/02—Polyalkylene oxides
    • C08L71/03—Polyepihalohydrins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes

Definitions

  • the present invention relates to an elastomeric composition for use in an article subject to dynamic loading which imparts said articles excellent mechanical properties such as high abrasion resistance and high tensile strength and modulus, good processability, a long lifetime as well as a marked pilling resistance.
  • Articles subject to dynamic loading such as conveyor belts and all kinds of transmission belts, such as V-belts, including belts for variable power transmission, timing belts, poly- V-belts and flat belts , must meet a number of diverse requirements .
  • these articles must possess good ageing resistance against heat and ozone, a good abrasion resistance and a high tensile strength and modulus. Further they should show a high resistance to pilling, i.e. the formation of sticky material on the belt surface due to breakdown of the elastomeric composition by friction.
  • Ethylene- ⁇ - olefin elastomers such as ethylene-propylene copolymers (EPM) and ethylene- propylene-diene terpolymers (EPDM), ethylene-butylene copolymers, ethylene-octene copolymers, etc. are excellent general purpose elastomers, having broader operating temperature ranges than most other elastomers. Furthermore these materials show excellent oxygen and ozone resistance and they are generally less expensive than other elastomers.
  • elastomeric compositions traditionally employed for dynamic applications are elastomers, such as natural rubber (NR), styrene butadiene rubber (SBR), butadiene rubber (BR), chloroprene rubber (CR), nitrile butadiene rubber (NBR), hydrogenated nitrile butadiene rubber (H-NBR), ethylene vinylacetate copolymer (EVM),and alkylat- ed, chlorosulfonated polyethylene (ACSM).
  • natural rubber SBR
  • BR styrene butadiene rubber
  • BR butadiene rubber
  • CR chloroprene rubber
  • NBR nitrile butadiene rubber
  • H-NBR hydrogenated nitrile butadiene rubber
  • EVM ethylene vinylacetate copolymer
  • ACM alkylat- ed, chlorosulfonated polyethylene
  • elastomers possess satisfactory mechanical properties in dynamic applications, but some of these, such as natural rubber, styrene butadiene rubber, butadiene rubber, chloroprene rubber, and nitrile butadiene rubber, are less ageing and temperature resistant than ethylene- ⁇ -olefin elastomers, whereas hydrogenated nitrile butadiene rubber, and alkylated chlorosulfonated polyethylene are less flexible at low temperatures and much more expensive than ethylene- ⁇ -olefin elastomers.
  • a belt which substantially comprises a backing, load carrying members and an elastomeric main body.
  • the backing and/or the main body consists of a peroxidically crosslinked elasomeric mixture, which per 100 parts of rubber contain from 41 to 99 parts of EPDM and/or EPM as well as from 1 to 59 parts of H-NBR and further components, such as plasticizers and fillers, as well as at least one zinc salt of an ⁇ , ⁇ -unsaturated carboxylic acid derivative in an amount of 81-100 parts.
  • an elastomeric composition for incorporation in an article subject to dynamic loading which has been cured using a free-radical promoting material, said composition comprising the reaction product of 100 parts by weight of an ethylene- ⁇ -olefin elastomer and, per 100 parts by weight of said elastomer, from about 1 to about 30 parts of a metal salt of an ⁇ , ⁇ -unsaturated organic acid and optionally a reinforcing filler.
  • fibres such as textile fibres, including cotton, polyester, polyamide and aramide fibres.
  • US 4,235, 119 discloses an elastomeric composition comprising from about 0.5 to about 40 parts by weight of fibres per 100 parts by weight of elastomeric composition.
  • the fibres are preferably non- metallic, organic fibres having a fibre diameter of from 0.025 to 1.25 mm and a fiber length of from 0.025 to 25 mm.
  • the fibres may e.g. be polyester fibres.
  • US 4,504,342 discloses an elastomeric composition, e.g. neoprene rubber, loaded with non metallic, organic fibres having a diameter of from about 0.003 to 0.1 mm and a length of from about 0.003 mm to 3 mm.
  • US patent specification No 4.775.357 discloses an elastomeric body composed of a single thermosetting rubber comprising from about 2 to about 30 parts by weight of fibre flock per 100 parts by weight of thermosetting rubber.
  • the fibres have a length to diameter ratio of less than 10: 1 and may be composed of aliphatic polyamides , aromatic polyamides, cotton, rayon, nylon, polyester and fibre glass.
  • EP No 0633408 A2 discloses a power transmission belt comprising an elastomer containing 5 to 30 parts by weight of fibres per 100 parts by weight of rubber.
  • the fibres may be synthetic fibres of nylon, vinylon, polyester, aramid or a combination thereof or natural fibres, such as cotton or pulp.
  • fibres tend to reduce the flexibility of the end product and to result in a decrease of the ultimate tensile strength and elongation at break.
  • fibre reinforced elastomeric compositions the fibres are oriented so as to give anisotropic properties in the resulting material. Prior to building of the ultimate belt rolls thus have to be cut and realigned so that the fibres are oriented in the transverse direction instead of the longitudinal direction. Such a separate process step clearly increases the cost of the resulting elastomeric article.
  • the prior art also teaches elastomeric compositions containing organic, polymeric particles.
  • WO 87/01309 discloses an elastomer PTFE composition comprising 25 to 80 per cent by weight of polytetrafluoro ethylene, up to 30 per cent by weight of molybdenum disul- fide, and the rest elastomeric material.
  • the polytetrafluoro ethylene component may be a powder of a particle size of up to lOO ⁇ m.
  • a particulate, non-fibrous, organic, polymeric material in an elastomeric composition imparts improved properties in terms of a high abrasion resistance, a high tensile strength and modulus, good processability, a long lifetime and a marked pilling resistance.
  • the use of a particulate, non-fibrous, organic, polymeric material according to the invention for improving the properties of said elastomers has the advantage of resulting in lower costs, less hazard to the environment as well as making the elastomeric composition less sticky during processing.
  • said particles reinforce the elastomeric composition, the hitherto required incorporation of conventional fibres may be dispensed with either partly or wholly.
  • the present invention relates to an elastomeric composition for incorporation in an article subject to dynamic loading comprising:
  • the invention relates to the use of a particulate, non-fibrous, organic, polymeric material for reinforcing the elastomeric composition according to the invention.
  • the present invention relates to an article subject to dynamic loading comprising the elastomeric composition according to the invention.
  • Fig. 1 is a perspective view, with parts in section, of a V-ribbed belt.
  • the belt 5 comprises a ribbed compression layer 4 and a tension layer 1.
  • the compression layer 4 comprises the elastomeric composition according to the invention.
  • the tension layer 1 may comprise an elastomeric composition according to the invention or may alternatively comprise a rubberised textile fabric. In a preferred embodiment the tension layer 1 comprises the elastomeric composition according to the invention.
  • Positioned between the tension layer 1 and the compression layer 4 reinforcing cords are aligned longitudinally along the length of the belt 5. In the embodiment illustrated in Fig. 1, said reinforcing cords are embedded in a cushion layer 2.
  • the cushion layer 2 may comprise any elastomeric composition compatible with the elastomer of the tension layer 1 and the compression layer 4, and may also be identical with either of these. It must, however, be understood that the cushion layer 2 is not indispensable and may be omitted provided the tension layer 1 and the compression layer 4 provide a suitable bedding of the reinforcing cords 3.
  • the elastomeric composition according to the invention comprises as the primary elastomeric component a primary elastomer preferably selected from the group comprising natural rubber (NR), styrene butadiene rubber (SBR), butadiene rubber (BR), chloro- prene rubber (CR), nitrile butadiene rubber (NBR), hydrogenated nitrile butadiene rubber (HNBR), alkylated, chlorosulfonated polyethylene (ACSM), ethylene-vinyl acetate copolymers (EVM), and ethylene- ⁇ -olefin elastomers or mixtures thereof.
  • NR natural rubber
  • SBR styrene butadiene rubber
  • BR butadiene rubber
  • CR chloro- prene rubber
  • NBR nitrile butadiene rubber
  • HNBR hydrogenated nitrile butadiene rubber
  • ACM chlorosulfonated polyethylene
  • EVM ethylene-vinyl a
  • the primary elastomer is selected among chloroprene rubber (CR), alkylated, chlorosulfonated polyethylene (ACSM), ethylene-vinyl acetate copoly- mers (EVM), and ethylene- ⁇ -olefm elastomers.
  • CR chloroprene rubber
  • ACSM chlorosulfonated polyethylene
  • EVM ethylene-vinyl acetate copoly- mers
  • ethylene- ⁇ -olefm elastomers ethylene- ⁇ -olefm elastomers
  • the ethylene- ⁇ -olefms useful in the present invention include, but are not limited to copolymers of ethylene and propylene units (EPM), ethylene and butene units, ethylene and pentene units, or ethylene and octene units (EOM), and terpolymers composed of ethylene and propylene units and an unsaturated component (EPDM), as well as mix- tures thereof.
  • EPM ethylene and propylene units
  • EOM ethylene and octene units
  • EPDM unsaturated component
  • dienes can be mentioned non-conjugated compounds, such as 1,4-hexadiene, dicyclopentadiene, ethylidene norbonen, methylene norbornen or methyltetrahydroinden.
  • a preferred elastomer is ethylene-propylene-diene terpolymer (EPDM).
  • the ethylene content thereof should preferably lie in the range between 30 to 80% by weight, preferably between 50 and 70% by weight.
  • the diene proportion should be in the range 1 to 10, preferably 2 to 8% by weight.
  • EPDM is available from DSM, The Netherlands, under the trade name KELTAN ® , or from Dupont Dow Elastomers, USA, under the trade name NORDEL ® .
  • EOM is available from Dupont Dow Elastomers under the trade name ENGAGE ® .
  • the primary elastomer may also comprise a polychloroprene rubber, such as NEOPRENE GW, available from Dupont Dow Elastomers, or alkylated chlorosulfonated polyethylene (ACSM), available under the trade name ACSIUM ® from Dupont Dow Elastomers.
  • the elastomeric composition according to the invention may, in addition to the primary elastomer, comprise up to 25% by weight, based on the weight of the primary elastomer, of a second elastomeric material selected from the group consisting of:
  • the elastomeric composition according to the invention comprises a particulate, non- fibrous, organic, polymeric material as a reinforcing material.
  • the particulate, non-fibrous, organic, polymeric material for incorporation in the elastomeric composition according to the invention is preferably a material polymerised from monomers comprising ethylenic unsaturation, such as polyethylene, polypropylene and polyvinylchloride.
  • said particulate, organic, polymeric material is selected from the group comprising:
  • LDPE low density polyethylene
  • LLDPE linear low density poly-ethylene
  • HDPE high density polyethylene
  • UHMWPE ultra high molecular weight poly-ethylene
  • PP polypropylene
  • the particulate, non-fibrous, organic, polymeric material is present in an amount from 2 to 40, preferably from about 5 to 30, and particularly from about 8 to 20 parts by weight of the elastomer.
  • amounts in excess of 40 parts by weight have shown to lead to a continuous phase of said material being built up throughout the matrix resulting in considerable stiffness and rapid crack growth, whereas the inclusion of less than 2 parts by weight of the particulate, organic, polymeric material will lead to an insignificant improvement of the abrasion resistance and modulus.
  • the particulate organic, polymeric material must be in a finely divided state, preferably with a greater dimension : smaller dimension ratio of ⁇ 5 : 1 , especially ⁇ 2: 1 and particularly preferred being particles or pellets with an average greater particle dimension in the range of from about 5 to about 500 ⁇ m, preferably from about 10 to about 400 ⁇ m, and particularly from about 20 to about 350 ⁇ m.
  • said particulate, non-fibrous, organic, polymeric material is present as roughly spherical particles having a greater particle dimension of about 150 ⁇ m to about 350 ⁇ m.
  • suitable particulate, non-fibrous, organic, polymeric materials comprise i.a. Stamylex ® XL 400 UP, a linear polyethylene containing peroxide from DSM, Hostalen ® GUR 2122, an ultra high molecular weight polyethylene available from Ticona, and Lupolen ® SP 15, a linear polyethylene available from BASF.
  • the elastomeric composition according to the invention may further comprise a number of conventional adjuvants, additives and fillers.
  • fillers can be mentioned carbon black, silica, calcium carbonate, talc, clay or mixtures thereof.
  • the incorporation of fibres is envisaged, such fibres comprising e.g. aramide, such as those sold under the trademark KEVLAR ® by E.I. du Pont de Nemours & Company, the trademark TWARON ® , sold by Enka, The Netherlands, and TECHNORA ® , sold by Teijin, Japan.
  • fibre reinforcement materials comprise staple or filament fibres of polyesters, polyamides, polyvinyl alcohol, cotton and other cellulose fibres which may be added in order to further improve the modulus and abrasion resistance.
  • conventionally used process aids softeners and plastisizers, such as mineral oil, ethers, esters etc., binders and compatibilizers, such as paraffins, waxes, etc. may be included.
  • the elastomeric composition according to the invention may be cured employing con- ventional vulcanisation aids.
  • con- ventional vulcanisation aids include for natural rubber and styrene butadiene rubbers sulphur and an accelerator; for chloroprene rubber and alkylated, chlorosulfonated poly-ethylene metal oxides and an accelerator therefor; for hydrogenated nitrile butadiene rubber and ethylene- ⁇ -olefin polymers ionising radiation and peroxides with optional coagents.
  • organic peroxides can be mentioned dicumyl peroxide, t-butyl perbenzoate, di-t-butyl peroxide, 2,5-dimethyl-2,5-di-t-butyl peroxyhexane or ⁇ , ⁇ -bis-(t-butylperoxy)-diisopropylbenzene.
  • the elastomeric composition according to the invention may in a further preferred embodiment also comprise 1 to 30, preferably 2 to 20 parts by weight of the elastomer or one or more metal salts of ⁇ , ⁇ -unsaturated organic acids, such as zinc, aluminium, magnesium, cadmium, sodium and calcium salts of acrylic, methacrylic, maleic, fuma- ric, ethacrylic, vinyl-acrylic, itaconic, methyl itaconic, aconitic, methyl aconitic, croto- nic, ⁇ -methylcrotonic, cinnamic, or 2,4-dihydroxy cinnamic acids, preferably zinc diacrylate or zinc dimethacrylate.
  • a commercially available zinc diacrylate is SARET ® 633, marketed by Sartomer, USA, and zinc dimethacrylate, marketed by Sartomer under the trademark SARET ® 634.
  • the elastomeric composition according to the invention may be incorporated in an article subject to dynamic loading, such as conveyor belts or transmission belts, for example V-belts, including belts for variable power transmission, timing belts, poly V- belts, continuously variable transmission belts and flat belts.
  • dynamic loading such as conveyor belts or transmission belts, for example V-belts, including belts for variable power transmission, timing belts, poly V- belts, continuously variable transmission belts and flat belts.
  • the elastomeric composition according to the invention is prepared using any conven- tional technology, such as e.g. by mixing the ingredients in an internal mixer or a two roll mill.
  • the curing or vulcanisation is performed using conventional technology, such as in a press, in a continuous vulcanisation equipment, or in an autoclave as disclosed further in the following.
  • Table I illustrates elastomeric compositions comprising different combinations of elastomers and particulate, non-fibrous, organic, polymeric materials.
  • Table II illustrates test results obtained for the elastomeric compositions of Table I.
  • compositions of examples 1 and 5 were mixed in a 260 1 Werner & Pfleiderer GK 255 N tangential internal mixer at a rotor speed of approximately 30 rpm.
  • the composi- tions of examples 2, 3 and 4 were mixed in a 1.61 Werner & Pfleiderer GK2 tangential internal mixer at a rotor speed of approximately 50 rpm.
  • compositions of examples 1 to 5 were produced according to a two-step process. Apart from peroxides and vulcanisers, all the ingredients of the compositions of examples 1 to 5 were added in step 1, and the mixing sequence is as stated in Table I.
  • the first step of the process for preparing the compositions of examples 1 to 5 was carried out at a temperature of 140° C, and the second step at 100°C.
  • Sheets of the elastomeric compositions were subjected to a vulcanisation for 20 min. at 160°C.
  • Elastomeric sheets for the production of poly V-belts were made from the elastomeric mass by means of a calender.
  • the sheets were cross-turned such that said fibres were positioned transverse to the moving direction of the belts by the subsequent processing.
  • the belts were produced in the following manner:
  • the polyester cord material had been pretreated with an elastomer-to-polyester binder system including an isocyanate pretreatment, a resorcinole-formaldehyde treatment, and finally a binder impregnation.
  • the assembly of the mandrel and the elastomeric material was placed in an autoclave, a rubber membrane being placed around the assembly to transfer pressure and to protect against steam.
  • the elastomeric material was vulcanised in the autoclave for about 50 minutes at 160° C. Subsequently, the vulcanised elastomeric cylinder was cooled on the mandrel and thereafter removed.
  • Ribs were ground in the elastomeric body by means of a profiled diamond abrasive wheel and belts cut out of the cylinder.
  • TMQ 2,2,4-trimethyl-l ,2-dihydroquinoline WINGSTAY 100 diaryl substituted paraphenylene diamine from
  • compositions according to the invention compared to a prior art composi tion, as well as a higher tensile strength and higher modulus.

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  • 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)

Abstract

La présente invention concerne une composition élastomère destinée à un article sujet à un chargement dynamique. En l'occurrence, cette composition comprend, pour 100 parties de poids d'un matériau élastomère, de 2 à 40 parties d'un matériau polymère particulaire organique non fibreux. Cette composition élastomère présente des qualités accrues de résistance à l'abrasion, de résistance à la traction et de module élastique en traction, ainsi qu'une bonne résistance au vieillissement.
PCT/DK1999/000402 1998-07-16 1999-07-14 Composition elastomere et son utilisation dans un article sujet a chargement dynamique WO2000004098A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU47702/99A AU4770299A (en) 1998-07-16 1999-07-14 Elastomeric composition and the use thereof in an article subject to dynamic loading

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA199800950 1998-07-16
DKPA199800950 1998-07-16

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Publication Number Publication Date
WO2000004098A1 true WO2000004098A1 (fr) 2000-01-27

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Cited By (18)

* Cited by examiner, † Cited by third party
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EP1164076A3 (fr) * 2000-06-14 2003-02-12 Shimano Inc. Patin de frein pour bicyclette
WO2003011963A1 (fr) * 2001-07-31 2003-02-13 Bayer Inc. Covulcanisation de polymeres
WO2005116482A1 (fr) 2004-05-25 2005-12-08 Bando Chemical Industries, Ltd. Courroie de transmission et processus de production
EP1930622A3 (fr) * 2006-12-05 2009-12-09 Veyance Technologies, Inc. Courroies de transmission de puissance
EP1830101A4 (fr) * 2004-11-10 2010-07-07 Bando Chemical Ind Courroie de transmission
CN102558630A (zh) * 2011-12-19 2012-07-11 贵州精忠橡塑实业有限公司 无骨架应急传动带
CN103205063A (zh) * 2013-03-29 2013-07-17 远东电缆有限公司 一种高强度高抗撕特重负荷护套橡皮及其制备方法
EP2489899A4 (fr) * 2009-10-13 2014-05-21 Gates Unitta Asia Co Courroie crantée
DE102012023357A1 (de) 2012-11-22 2014-05-22 Terex Cranes Germany Gmbh Vorrichtung und Verfahren zur Positionierung und Arretierung von Ergänzungsteilen für den Kranbetrieb
CN104072886A (zh) * 2014-06-12 2014-10-01 安徽安尔达机电有限公司 一种小型发电机安装支架用减震缓冲橡胶材料
CN105175911A (zh) * 2015-08-30 2015-12-23 衡水中铁建工程橡胶有限责任公司 一种耐候耐老化板式橡胶支座用橡胶材料
DE102004019631B4 (de) * 2003-04-25 2016-01-07 Bando Chemical Industries, Ltd. Reibschlüssiger Kraftübertragungsriemen und Riemenantriebsvorrichtung mit diesem
CN105385165A (zh) * 2015-11-30 2016-03-09 安徽省界首市云龙粮机配套工程有限公司 一种无毒环保复合输送皮带制备方法
CN106931106A (zh) * 2015-01-29 2017-07-07 浙江精深实业有限公司 一种应用在斜切机的皮带传动装置
CN110204798A (zh) * 2019-05-31 2019-09-06 安徽鼎连高分子材料股份有限公司 一种用于垂直升降电梯的电梯滚轮混炼胶及制造工艺
CN112898782A (zh) * 2021-01-20 2021-06-04 东莞市正安有机硅科技有限公司 一种移印胶头用液体硅橡胶及其制备方法
CN114907664A (zh) * 2021-02-08 2022-08-16 中国科学院上海有机化学研究所 一种烯烃嵌段共聚物/低支化超高分子聚乙烯树脂组合物、制备方法及应用
US20240425684A1 (en) * 2023-06-21 2024-12-26 Contitech Usa, Inc. Belt using high performance cost-effective elastomeric material

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DE102012023357A1 (de) 2012-11-22 2014-05-22 Terex Cranes Germany Gmbh Vorrichtung und Verfahren zur Positionierung und Arretierung von Ergänzungsteilen für den Kranbetrieb
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CN104072886A (zh) * 2014-06-12 2014-10-01 安徽安尔达机电有限公司 一种小型发电机安装支架用减震缓冲橡胶材料
CN106931106A (zh) * 2015-01-29 2017-07-07 浙江精深实业有限公司 一种应用在斜切机的皮带传动装置
CN106931106B (zh) * 2015-01-29 2019-04-12 浙江精深实业有限公司 一种应用在斜切机的皮带传动装置
CN105175911A (zh) * 2015-08-30 2015-12-23 衡水中铁建工程橡胶有限责任公司 一种耐候耐老化板式橡胶支座用橡胶材料
CN105385165A (zh) * 2015-11-30 2016-03-09 安徽省界首市云龙粮机配套工程有限公司 一种无毒环保复合输送皮带制备方法
CN110204798A (zh) * 2019-05-31 2019-09-06 安徽鼎连高分子材料股份有限公司 一种用于垂直升降电梯的电梯滚轮混炼胶及制造工艺
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US20240425684A1 (en) * 2023-06-21 2024-12-26 Contitech Usa, Inc. Belt using high performance cost-effective elastomeric material
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