WO2010122978A1 - コンベアベルト用ゴム組成物及びコンベアベルト - Google Patents

コンベアベルト用ゴム組成物及びコンベアベルト Download PDF

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Publication number
WO2010122978A1
WO2010122978A1 PCT/JP2010/056922 JP2010056922W WO2010122978A1 WO 2010122978 A1 WO2010122978 A1 WO 2010122978A1 JP 2010056922 W JP2010056922 W JP 2010056922W WO 2010122978 A1 WO2010122978 A1 WO 2010122978A1
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WIPO (PCT)
Prior art keywords
rubber
mass
parts
conveyor belt
rubber composition
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.)
Ceased
Application number
PCT/JP2010/056922
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English (en)
French (fr)
Japanese (ja)
Inventor
中野　宏規
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.)
Bridgestone Corp
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Bridgestone Corp
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 Bridgestone Corp filed Critical Bridgestone Corp
Priority to AU2010240198A priority Critical patent/AU2010240198B2/en
Priority to US13/265,091 priority patent/US8261906B2/en
Priority to EP10767035.8A priority patent/EP2423255B1/en
Priority to CN2010800238170A priority patent/CN102449053B/zh
Publication of WO2010122978A1 publication Critical patent/WO2010122978A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/30—Belts or like endless load-carriers
    • B65G15/32—Belts or like endless load-carriers made of rubber or plastics
    • B65G15/34—Belts or like endless load-carriers made of rubber or plastics with reinforcing layers, e.g. of fabric
    • B65G15/36—Belts or like endless load-carriers made of rubber or plastics with reinforcing layers, e.g. of fabric the layers incorporating ropes, chains, or rolled steel sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D29/00—Producing belts or bands
    • B29D29/06—Conveyor belts
    • 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
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098—Metal salts of carboxylic acids
    • 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
    • C08L7/00—Compositions of natural rubber
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08L9/06—Copolymers with styrene
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/38—Boron-containing compounds
    • 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
    • C08K5/55—Boron-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
    • C08L61/04—Condensation polymers of aldehydes or ketones with phenols only

Definitions

  • the present invention relates to a rubber composition for a conveyor belt that has excellent adhesion to a galvanized steel cord, has good roll processability and excellent productivity, and a conveyor belt using the rubber composition.
  • the galvanized steel cord used as a reinforcing material for rubber compositions is used as a reinforcing material for steel cord conveyor belts used in humid environments because of its excellent rust prevention properties. It is desirable that the galvanized steel cord is bonded to the rubber without lowering the adhesive strength or shortening the belt life even when used for a long time under conditions.
  • Patent Document 1 Japanese Patent Laid-Open No. 2006-31744
  • Patent Document 2 JP-A-2005-350491
  • Patent Document 3 Japanese Patent Application Laid-Open No. 2006-176580
  • the present invention has been made in view of the above circumstances, a rubber composition for conveyor belts having excellent adhesiveness with a zinc steel cord and having good roll processability and lamination processability, and durability using the rubber composition It aims at providing the conveyor belt excellent in productivity and productivity.
  • the present inventor when adding and compounding zinc dimethacrylate and cobalt organic acid to rubber, in order to improve the adhesion with the galvanized steel cord, In addition to using cobalt neodecanoate and cobalt stearate as the cobalt acid, and adjusting the blending ratio, the adhesiveness with the galvanized steel cord can be improved, and the rubber roll tackiness is appropriate.
  • the present invention has been completed by finding that a conveyor belt that can be adjusted to the above and roll workability can be improved without deteriorating the laminating workability, and that a conveyor belt having excellent durability can be obtained with high productivity.
  • a rubber composition for a conveyor belt characterized by containing, and In a conveyor belt in which a galvanized steel cord covered with an adhesive rubber layer is disposed as a core between cover rubber layers, the adhesive rubber layer is formed of the rubber composition of the present invention. Provide a conveyor belt.
  • the present inventor has found that a mixed rubber obtained by mixing natural rubber or a synthetic rubber such as styrene-butadiene rubber (SBR) at a predetermined ratio is preferable as the rubber component.
  • SBR styrene-butadiene rubber
  • the cobalt compound it is preferable to use one or both of cobalt neodecanoate and cobalt neodecanoate borate, phenol resin, particularly phenol resin internally added with hexamethylenetetramine, ⁇ -naphthol, hexamethoxymethylated melamine It has been found that the adhesiveness can be further improved by adding a predetermined amount of (curing agent) or the like.
  • the present invention provides the following (1) to (8) as preferred embodiments.
  • the rubber composition for a conveyor belt and the conveyor belt according to the present invention wherein 1 to 10 parts by mass of ⁇ -naphthol is contained per 100 parts by mass of the rubber component.
  • the rubber composition for a conveyor belt and the conveyor belt according to the present invention which contains 1 to 10 parts by mass of hexamethoxymethylated melamine and / or hexamethylenetetramine as a curing agent with respect to 100 parts by mass of the rubber component.
  • the adhesive rubber layer is formed of the rubber composition of the present invention.
  • the rubber composition for conveyor belts of the present invention is excellent in adhesiveness with galvanized steel cords, has good roll processability and lamination processability, and produces a conveyor belt having excellent durability with high productivity. be able to.
  • the rubber composition for a conveyor belt according to the present invention includes 0.5 to 3 parts by mass of zinc dimethacrylate, 1 to 10 parts by mass of a cobalt neodecanoate compound, and stearic acid with respect to 100 parts by mass of the rubber component. This is characterized in that 0.5 to 4 parts by mass of cobalt is added.
  • a known rubber can be used as an adhesive rubber layer of a steel cord in a conveyor belt.
  • natural rubber or a mixture of natural rubber and synthetic rubber can be used. .
  • polyisoprene rubber IR
  • polybutadiene rubber BR
  • polychloroprene rubber and the like, which are homopolymers of conjugated diene compounds such as isoprene, butadiene, and chloroprene
  • conjugated diene compound and styrene Styrene butadiene copolymer rubber (SBR)
  • vinyl pyridine butadiene styrene copolymer rubber vinyl pyridine butadiene styrene copolymer rubber
  • acrylonitrile butadiene copolymer which are copolymers with vinyl compounds such as acrylonitrile, vinyl pyridine, acrylic acid, methacrylic acid, alkyl acrylates, alkyl methacrylates, etc.
  • halides of the above various rubbers such as chlorinated isobutylene isoprene copolymer rubber (Cl-IIR), brominated isobutylene isoprene copolymer rubber (Br-IIR) and the like are also included.
  • a ring-opening polymer of norbornene can be used.
  • a saturated elastic body such as epichlorohydrin rubber, polypropylene oxide rubber, or chlorosulfonated polyethylene can be blended with the above-mentioned rubber.
  • synthetic rubber styrene butadiene copolymer rubber (SBR) is preferably used.
  • the blending ratio of the natural rubber and the synthetic rubber is not particularly limited, but usually 20 to 70 parts by mass of natural rubber and 80 to 30 parts by mass of synthetic rubber, particularly natural rubber 20 in 100 parts by mass of rubber component. It is preferable that the amount is from 50 to 50 parts by weight and the synthetic rubber is from 80 to 50 parts by weight.
  • the rubber composition for conveyor belts of the present invention 0.5 to 3 parts by mass, preferably 0.5 to 2 parts by mass of zinc dimethacrylate is added to 100 parts by mass of the rubber component.
  • the addition of this zinc dimethacrylate is intended to improve the adhesion with the galvanized steel cord, and if the blending amount is less than 0.5 parts by mass, a sufficient adhesion improvement effect cannot be obtained, The object of the present invention cannot be achieved.
  • the amount exceeds 3 parts by mass the vulcanization speed is greatly decreased, and the roll workability is greatly decreased to reduce the productivity, which also achieves the object of the present invention. I don't get it.
  • the above-mentioned zinc dimethacrylate and cobalt neodecanoate compound are used in combination, thereby improving the adhesive force with the galvanized steel cord more effectively.
  • the neodecanoic acid cobalt compound Neodecanoic acid cobalt or neodecanoic acid cobalt borate is used preferably, and these can also be used together.
  • addition of cobalt neodecanoate borate can improve the vulcanization rate of the rubber composition together with the adhesiveness.
  • the compounding amount of the cobalt neodecanoate compound is 1 to 10 parts by mass with respect to 100 parts by mass of the rubber component.
  • the amount is preferably 1.5 to 3.5 parts by mass with respect to 100 parts by mass of the rubber component.
  • the amount is preferably 1.5 to 5 parts by mass with respect to 100 parts by mass of the component.
  • cobalt stearate is blended together with the cobalt neodecanoate compound.
  • the adhesiveness of a composition can be adjusted appropriately and roll workability
  • operativity can be improved, without reducing lamination workability.
  • the amount of cobalt stearate is 0.5 to 3 parts by mass, preferably 0.5 to 2 parts by mass with respect to 100 parts by mass of the rubber component. If the blending amount is less than 0.5 parts by mass, the effect of improving the roll workability by addition may not be sufficiently obtained. There is a case where the rubber tackiness at the time is lowered and the laminating workability is lowered.
  • roll processability refers to the processability when kneading the rubber composition and passing it through a rolling roll to form a belt-like rubber having a predetermined thickness and width.
  • the phenol resin includes phenol-formaldehyde resin, resorcin-formaldehyde resin, cresol-formaldehyde resin and the like, and phenol-formaldehyde resin is particularly preferably used.
  • natural resin-modified phenol resin, oil-modified phenol resin, and the like can be used as the phenol resin.
  • those internally added with hexamethylenetetramine (hexamine), hexamethoxymethylated melamine (HMMM) and the like are preferably used because they improve the adhesiveness.
  • Phenol resins into which hexamethylenetetramine is added internally are preferably used.
  • the compounding amount of these phenol resins is not particularly limited, but is preferably 1 to 10 parts by mass, particularly 1 to 5 parts by mass with respect to 100 parts by mass of the rubber component. In this case, if the blending amount is less than 1 part by mass, a sufficient effect due to the addition may not be obtained. In some cases, it is not preferable from the viewpoint of decrease in performance and cost. In addition, this phenol resin can also use 2 or more types together.
  • a monocyclic aromatic compound containing a hydroxyl group such as resorcin or a polycyclic aromatic compound containing a hydroxyl group such as ⁇ -naphthol can be blended,
  • ⁇ -naphthol is preferably used.
  • the blending amount of ⁇ -naphthol and resorcin is not particularly limited, but is 1 to 10 parts by mass, particularly 1 to 5 parts by mass with respect to 100 parts by mass of the rubber component. If the blending amount is less than 1 part by mass, a sufficient effect due to the addition may not be obtained.
  • ⁇ -naphthol is preferably used in combination with hexamethoxymethylated melamine and / or hexamethylenetetramine, which will be described later.
  • a curing agent can be blended for the purpose of improving the adhesive strength.
  • the curing agent include methylene donors, and hexamethylenetetramine and methylolated melamine derivatives are preferably used.
  • methylolated melamine derivatives include hexamethylolated melamine, hexamethoxymethylated melamine, and hexaethoxymethylated.
  • the blending amount of the curing agent is not particularly limited, but is preferably 1 to 10 parts by mass, particularly 1 to 7 parts by mass with respect to 100 parts by mass of the rubber component. If the blending amount is less than 1 part by mass, the effect due to the addition may not be sufficiently obtained.
  • sulfur, an organic sulfur compound, and other vulcanizing agents are usually used and are not particularly limited, but usually 1 to 10 parts by mass with respect to 100 parts by mass of the rubber component. Part, preferably 2 to 5 parts by weight of a vulcanizing agent. Further, although not particularly limited, vulcanization accelerators such as zinc white and stearic acid together with these vulcanizing agents are added in an amount of 1 to 20 parts by weight, preferably 3 to 15 parts per 100 parts by weight of the rubber component. A mass part can be mix
  • the rubber composition of the present invention includes, for example, paraffinic, naphthenic, aromatic process oil, ethylene- ⁇ -olefin co-oligomer, paraffin wax, liquid paraffin and other mineral oil, castor oil, cottonseed oil, Oils such as vegetable oils such as oil, rapeseed oil, soybean oil, palm oil, palm oil and peanut oil can also be blended, and aromatic process oil (aromatic oil) is particularly preferably used.
  • the blending amount is not particularly limited, but 1 to 10 parts by weight, preferably 2 to 7 parts by weight can be blended with respect to 100 parts by weight of the rubber component.
  • a rubber composition can be prepared by adding an appropriate amount of fillers such as carbon black, silica, calcium carbonate, calcium sulfate, clay and mica according to the purpose and application, and carbon black is particularly preferably used.
  • vulcanization accelerators such as sulfenamides, anti-aging agents, waxes, antioxidants, foaming agents, plasticizers, lubricants, tackifiers, ultraviolet absorbers and the like can be appropriately contained.
  • the rubber composition for a conveyor belt according to the present invention can be well adhered to a galvanized steel cord by being placed and adhered onto a galvanized steel cord and vulcanized.
  • a galvanized steel cord can be bonded to the rubber composition of the present invention.
  • the rubber composition can be bonded to and coated on the galvanized steel cord by sandwiching with a sheet of the product, and heat-pressing the rubber composition to vulcanize and bond.
  • the vulcanization conditions are appropriately selected according to the kind of the vulcanizing agent and the vulcanization accelerator.
  • the conditions can be set at 135 to 180 ° C. for 10 to 100 minutes.
  • the conveyor belt using the rubber composition of the present invention is not particularly limited, but usually a core coated with a galvanized steel cord with an adhesive rubber layer made of the rubber composition of the present invention is covered with a cover rubber layer. It is assumed that it is arranged and adhered to. In this case, the form of the galvanized steel cord and the rubber composition of the cover rubber layer can be appropriately selected according to the use of the conveyor belt and the like, and known ones can be used.
  • Examples 1 to 5 Comparative Examples 1 to 23
  • a rubber composition having the composition shown in Tables 1 and 2 below was prepared, and the adhesive strength with a galvanized steel cord, vulcanization speed, roll workability, and laminating workability were evaluated by the following methods. The results are shown in Tables 1 and 2.
  • Phenolic resin-1 Sumitomo Bakelite Co., Ltd.
  • “Sumilite Resin PR-50235” ⁇ Phenol resin-2 (hexamethylenetetramine internal addition type): Sumitomo Bakelite Co., Ltd.
  • “Sumilite Resin PR-12687” ⁇ ⁇ -Naphthol Mitsui Chemicals Fine Co., Ltd.
  • Adhesion test a Preparation of Test Pieces Each component shown in Tables 1 and 2 was blended and kneaded using a Banbury mixer to obtain a rubber composition. A sheet (thickness 15 mm) of each rubber composition obtained was prepared, a galvanized steel cord (diameter 7 mm) was sandwiched between a pair of sheets, and pressure vulcanization was performed at 170 ° C. for 40 minutes for testing. A piece was made.
  • Vulcanization rate The value of 155 ° C. and Tc (90) was measured by the method specified in JIS K6300-2. For measurement, “Charactometer W type” manufactured by Nichigo Corporation was used. The measurement value of Comparative Example 4 was set to 100, and the index was displayed so that the smaller the value of Tc (90), the larger the value.
  • the unvulcanized rubber laminate shown in FIG. 1 was prepared as a sample. Samples were prepared by first kneading a cover rubber composition having the following composition with a Banbury mixer. Using this cover rubber composition, cover rubbers 1 and 1 having a thickness of 4 mm were prepared and shown in Tables 1 and 2. A galvanized steel cord 3 having a diameter of 4 mm is sandwiched between adhesive rubber layers 2 and 2 each having a thickness of 2 mm formed of each rubber composition, and is further sandwiched between a pair of the cover rubbers 1 and 1 and is crimped by a hand roller. I let you.
  • Natural rubber (RSS # 3) 70 parts by mass styrene butadiene rubber (SBR 1500, manufactured by JSR) 30 parts by mass HAF carbon 55 parts by mass stearic acid (Kao Corporation “LUNAC RA”) 3 parts by weight ZnO 3 parts by weight wax (Ouchi Shinsei Chemical Co., Ltd. “Sannok N”) 2 parts by weight anti-aging agent RD (Kawaguchi Chemical Industry Co., Ltd. “ANTAGE RD”) 0.5 parts by mass anti-aging agent 6C (Kawaguchi Chemical Industry Co., Ltd. “ANTAGE 6C”) 0.5 parts by mass aroma oil (Idemitsu Kosan Co., Ltd.
  • the rubber composition for conveyor belts of the present invention has excellent adhesiveness with galvanized steel cords and has good roll processability and lamination processability, and is durable. It is possible to manufacture a conveyor belt excellent in productivity with high productivity.

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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)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Belt Conveyors (AREA)
  • Laminated Bodies (AREA)
PCT/JP2010/056922 2009-04-20 2010-04-19 コンベアベルト用ゴム組成物及びコンベアベルト Ceased WO2010122978A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2010240198A AU2010240198B2 (en) 2009-04-20 2010-04-19 Rubber composition for conveyor belt, and conveyor belt
US13/265,091 US8261906B2 (en) 2009-04-20 2010-04-19 Rubber composition for conveyor belt, and conveyor belt
EP10767035.8A EP2423255B1 (en) 2009-04-20 2010-04-19 Rubber composition for conveyor belt, and conveyor belt
CN2010800238170A CN102449053B (zh) 2009-04-20 2010-04-19 输送带用橡胶组合物和输送带

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009-101588 2009-04-20
JP2009101588A JP5446418B2 (ja) 2009-04-20 2009-04-20 コンベアベルト用ゴム組成物及びコンベアベルト

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WO2010122978A1 true WO2010122978A1 (ja) 2010-10-28

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US (1) US8261906B2 (enExample)
EP (1) EP2423255B1 (enExample)
JP (1) JP5446418B2 (enExample)
CN (1) CN102449053B (enExample)
AU (1) AU2010240198B2 (enExample)
WO (1) WO2010122978A1 (enExample)

Cited By (4)

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DE202012000531U1 (de) 2011-01-26 2012-02-13 Gyula Sebö In Hülle eingebetteter Textilstoff aus vermischten Grundstoffen
JP2013107729A (ja) * 2011-11-18 2013-06-06 Bridgestone Corp コンベアベルト用ゴム組成物、並びにそれを用いたコンベアベルト
EP2976945A1 (en) 2014-07-21 2016-01-27 Gyula Sebö Split-coated textile strap
CN106132844B (zh) * 2014-01-16 2019-10-11 福波西格灵有限责任公司 输送带和装配有这种输送带的输送设备

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JP5375303B2 (ja) * 2009-04-20 2013-12-25 株式会社ブリヂストン コンベアベルト用ゴム組成物及びコンベアベルト
JP5499585B2 (ja) * 2009-09-10 2014-05-21 株式会社ブリヂストン コンベアベルト
DE102011005397A1 (de) * 2011-03-11 2012-09-13 Krones Aktiengesellschaft Matte für den Transport von mindestens einem Gegenstand, Übergabevorrichtung und Verfahren zur Übergabe
EP2676903A1 (en) * 2012-06-19 2013-12-25 Habasit Italiana S.P.A. Acrylic-free conveyor belt
JP5892055B2 (ja) * 2012-12-14 2016-03-23 横浜ゴム株式会社 ゴム組成物及びコンベヤベルト
WO2015029028A1 (en) * 2013-08-28 2015-03-05 Corning Optical Communications Wireless Ltd. Power management for distributed communication systems, and related components, systems, and methods
WO2016043805A1 (en) * 2014-09-17 2016-03-24 WCCO Belting, Inc. Environmentally friendly rubber composition
JP6933068B2 (ja) * 2016-09-23 2021-09-08 住友ゴム工業株式会社 スチールコード被覆用ゴム組成物およびタイヤ
US9962906B1 (en) * 2016-12-09 2018-05-08 Contitech Transportbandsysteme Gmbh Anti-stick easy-release conveyor belts
CN106750676A (zh) * 2017-01-16 2017-05-31 张晓东 一种港口用钢丝绳芯输送带覆盖胶及其制备方法
US10442625B1 (en) * 2018-03-23 2019-10-15 Contitech Transportbandsysteme Gmbh Adhesion aging protection in corded rubber articles
US10737882B2 (en) * 2018-03-23 2020-08-11 Contitech Usa, Inc. Adhesion aging protection in corded rubber articles
JP7293720B2 (ja) * 2019-02-27 2023-06-20 横浜ゴム株式会社 スチールコード接着用ゴム組成物及びコンベヤベルト
CN109775243B (zh) * 2019-03-18 2021-05-14 兖矿东华重工有限公司 一种耐寒阻燃覆盖胶、耐寒阻燃中间胶、耐寒阻燃芯胶和耐寒阻燃钢丝绳芯输送带
US10968041B1 (en) 2020-06-19 2021-04-06 Contitech Transportbandsysteme Gmbh High cut/gouge and abrasion resistance conveyor belt cover
US20230249234A1 (en) * 2020-07-09 2023-08-10 Sms Group Gmbh Method and computer program product for calculating a pass schedule for a stable rolling process
CN114456441A (zh) * 2022-01-26 2022-05-10 江苏卡欧化工股份有限公司 一种硬脂酸钴粘合剂及其制备方法
US12030724B2 (en) * 2022-06-28 2024-07-09 Contitech Transportbandsysteme Gmbh High temperature resistant conveyor belt
CN115873326A (zh) * 2022-12-06 2023-03-31 无锡百年通工业输送有限公司 高模量单层芯输送带贴胶及其制备方法

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US8261906B2 (en) 2012-09-11
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CN102449053B (zh) 2013-08-28
US20120031742A1 (en) 2012-02-09
JP2010248428A (ja) 2010-11-04
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EP2423255A4 (en) 2013-03-13
AU2010240198B2 (en) 2013-03-14
EP2423255B1 (en) 2013-12-25

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