WO2015074197A1 - Caoutchouc amortisseur de chocs pour moteur et son procédé de préparation - Google Patents

Caoutchouc amortisseur de chocs pour moteur et son procédé de préparation Download PDF

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Publication number
WO2015074197A1
WO2015074197A1 PCT/CN2013/087499 CN2013087499W WO2015074197A1 WO 2015074197 A1 WO2015074197 A1 WO 2015074197A1 CN 2013087499 W CN2013087499 W CN 2013087499W WO 2015074197 A1 WO2015074197 A1 WO 2015074197A1
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WO
WIPO (PCT)
Prior art keywords
rubber
engine
isoprene
shock absorber
shock absorbing
Prior art date
Application number
PCT/CN2013/087499
Other languages
English (en)
Chinese (zh)
Inventor
王镇
Original Assignee
丹阳博德电子有限公司
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 丹阳博德电子有限公司 filed Critical 丹阳博德电子有限公司
Priority to PCT/CN2013/087499 priority Critical patent/WO2015074197A1/fr
Publication of WO2015074197A1 publication Critical patent/WO2015074197A1/fr

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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
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/203—Solid polymers with solid and/or liquid additives
    • 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
    • C08J2309/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons

Definitions

  • the present invention relates to a component for a material for an engine and a preparation thereof, and more particularly to a component and preparation of a shock absorbing rubber for an engine.
  • rubber cushion products are similar to that of model products except that rubber air springs are similar to tires.
  • Usually used as a support or connector widely used in a variety of vehicles, ships, machinery, instrumentation, bridges, buildings, to eliminate or mitigate the adverse consequences of vibration.
  • the rubber is characterized by both high elasticity and high viscosity.
  • the elasticity of the rubber is caused by the change of the conformation of the coiled molecules.
  • the interaction between the rubber molecules hinders the movement of the molecular chain and exhibits a viscosity characteristic, resulting in stress.
  • the strain is often in an imbalance.
  • the long chain molecular structure of the rubber and the weak secondary force between the molecules make the rubber material exhibit a unique viscoelastic property and thus have good shock absorption, sound insulation and cushioning properties.
  • Rubber components are widely used to isolate vibration and absorb shocks because of their hysteresis, damping, and reversible deformation.
  • the hysteresis and internal friction characteristics of rubber are usually expressed by the loss factor. The larger the loss factor, the more pronounced the damping and heat generation of the rubber, and the more obvious the damping effect.
  • the loss factor of the rubber material is not only related to the structure of the rubber itself, but also to temperature and frequency. At normal temperature, the loss factor of natural rubber (NR) and butadiene rubber (BR) is small, The loss factor of benzene rubber (SBR), neoprene (CI, ethylene propylene rubber (EPR), urethane rubber (PU) and silicone rubber is middle, and the loss factor of butyl rubber (HR) and nitrile rubber (NBR) is the largest.
  • NR natural rubber
  • BR butadiene rubber
  • SBR benzene rubber
  • CI neoprene
  • EPR ethylene propylene rubber
  • PU urethane rubber
  • silicone rubber silicone rubber
  • HR butyl rubber
  • NBR nitrile rubber
  • Rubber shock absorbers mainly include rubber cushions, rubber air springs, rubber fenders, sponge and cork rubber cushions, elastic couplings and flexible joints. Rubber cushions, mostly rubber and metal composite products, are available in double-plate, cylindrical, and sheet forms for shock absorption and sound insulation of various machinery, instruments, axles, and pipes.
  • Rubber cushions currently used in automobile engines although rubber products of various characteristics have been developed for different use cases, but they cannot meet the requirements of various current use conditions, including the rubber itself requiring high viscoelasticity.
  • the anti-aging properties and strength of the material the traditional belief that elasticity and strength are opposite performance, SP, if the elasticity of the material is good, the strength is relatively poor. Therefore, a new type of rubber product with good elasticity and high strength has been developed to better meet the needs of the market.
  • the main object of the present invention is to overcome the defects of the existing damping rubber for an engine, and to provide a new type of damping rubber for an engine and a preparation method thereof, which can ensure the elasticity while improving the strength and prolonging the service life, thereby being more suitable. Practical, and has industrial use value.
  • the object of the present invention and solving the technical problems thereof are achieved by the following technical solutions.
  • a shock absorbing rubber for an engine according to the present invention comprising the following components of mass fraction, 60% to 70% of isoprene rubber particles, 10% to 20% Cr 3 C 2 /NiCr metal Ceramic composite powder and 10% ⁇ 20% additive.
  • the aforementioned shock absorbing rubber for an engine is 1% to 2% Binder, 1% to 3% activator, 2% to 4% accelerator, 3% to 5% dispersion medium, 1% to 3% emulsifier and 2% to 3% anti-caking agent.
  • the binder is zinc acrylate
  • the activator is xylene
  • the accelerator is dibenzothiazole disulfide
  • the dispersion medium is ethyl acetate.
  • the emulsifier is sodium decylbenzene sulfonate
  • the anti-caking agent is silica.
  • isoprene rubber is produced by solution polymerization using isoprene as a raw material to prepare an isoprene rubber particle;
  • the prepared isoprene rubber particles are placed in a stirred tank, and Cr 3 C 2 /NiCr cermet composite powder, anti-caking agent, accelerator, dispersion medium, activator, binder are gradually added in the stirring tank. And emulsifier, stirring during the addition;
  • the mixture is heated after being uniformly stirred and mixed until it is completely melted, and then cooled to obtain the target product.
  • the aforementioned method for producing a shock absorbing rubber for an engine is carried out in a vacuum stirring furnace.
  • the heating temperature is from 150 ° C to 300 ° C.
  • the shock absorbing rubber for an engine of the present invention and the preparation method thereof have at least the following advantages:
  • the shock absorbing rubber for engine of the invention is composed of isoprene rubber and Cr 3 C 2 /NiCr cermet composite powder and additive, and the shock absorbing rubber material combines the better elasticity and wear resistance of the isoprene rubber itself, and has The high hardness and strength of Cr 3 C 2 /NiCr cermet improve the overall performance of the material.
  • the processing is simple and easy to operate.
  • the raw materials used are inexpensive and cost-effective, which is suitable for large-scale promotion.
  • the shock absorbing rubber for engine of the present invention comprises 60% by mass of isoprene rubber particles, 20% by mass of Cr 3 C 2 /NiCr cermet composite powder and 20% by mass of additives, and the additive comprises 2% of zinc acrylate.
  • Binder 3% xylene activator, 4% dibenzothiazyl disulfide accelerator, 5% ethyl acetate dispersion medium, 3% sodium decyl benzene sulfonate emulsifier and 3% dioxide Silicon anti-caking agent.
  • isoprene rubber is produced by solution polymerization using isoprene as a raw material, and isoprene rubber is made into isoprene rubber particles;
  • the prepared isoprene rubber particles are placed in a vacuum stirring tank, and Cr 3 C 2 /NiCr cermet composite powder, anti-caking agent, accelerator, dispersion medium, activator, and viscosity are gradually added in the vacuum stirring tank.
  • the mixture and the emulsifier are continuously stirred during the addition;
  • the shock absorbing rubber for engine of the present invention comprises 65% by mass of isoprene rubber particles, 20% by mass of Cr 3 C 2 /NiCr cermet composite powder and 15% by mass of additives, and the additive comprises 1% zinc acrylate.
  • Binder 2% xylene activator, 3% dibenzothiazyl disulfide accelerator, 3% ethyl acetate dispersion medium, 3% sodium decyl benzene sulfonate emulsifier and 3% dioxide Silicon anti-caking agent.
  • isoprene rubber is produced by solution polymerization using isoprene as a raw material, and isoprene rubber is made into isoprene rubber particles;
  • the prepared isoprene rubber particles are placed in a vacuum stirring tank, and gradually formed in a vacuum stirring tank.
  • Cr 3 C 2 /NiCr cermet composite powder, anti-caking agent, accelerator, dispersion medium, activator, binder and emulsifier are sequentially added, and stirring is continuously performed during the addition;
  • the shock absorbing rubber for an engine of the present invention comprises 70% by mass of isoprene rubber particles, 10% by mass of Cr 3 C 2 /NiCr cermet composite powder and 20% by mass of additives, and the additive comprises 2% zinc acrylate.
  • Binder 3% xylene activator, 4% dibenzothiazyl disulfide accelerator, 5% ethyl acetate dispersion medium, 3% sodium decyl benzene sulfonate emulsifier and 3% dioxide Silicon anti-caking agent.
  • isoprene rubber is produced by solution polymerization using isoprene as a raw material, and isoprene rubber is made into isoprene rubber particles;
  • the prepared isoprene rubber particles are placed in a vacuum stirring tank, and Cr 3 C 2 /NiCr cermet composite powder, anti-caking agent, accelerator, dispersion medium, activator, and viscosity are gradually added in the vacuum stirring tank.
  • the mixture and the emulsifier are continuously stirred during the addition;

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)
  • Vibration Prevention Devices (AREA)

Abstract

La présente invention concerne un caoutchouc amortisseur de chocs destiné à un moteur et un procédé de préparation du caoutchouc amortisseur de chocs destiné à un moteur faisant appel à un procédé de fusion combinée. Le caoutchouc amortisseur de chocs comprend les constituants suivants en fraction massique : de 60 % à 70 % de particules de caoutchouc isoprène, de 10 % à 20 % de poudre composite cermet Cr3C2/NiCr, et de 10 % à 20 % d'un additif. Dans la présente invention, le caoutchouc amortisseur de chocs destiné à un moteur est formée en combinant des particules de caoutchouc isoprène, une poudre composite cermet Cr3C2/NiCr et un additif; le matériau caoutchouc amortisseur de chocs intègre la bonne élasticité et la bonne performance de résistance à l'abrasion du caoutchouc isoprène, et présente la dureté élevée et la résistance du cermet Cr3C2/NiCr, améliorant ainsi les performances globales du matériau; la mise en œuvre de la méthode de traitement est simple, le coût des substances utilisées est faible, et le caoutchouc amortisseur de chocs destiné à un moteur et son procédé de préparation sont appropriés pour être utilisés à grande échelle.
PCT/CN2013/087499 2013-11-20 2013-11-20 Caoutchouc amortisseur de chocs pour moteur et son procédé de préparation WO2015074197A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/087499 WO2015074197A1 (fr) 2013-11-20 2013-11-20 Caoutchouc amortisseur de chocs pour moteur et son procédé de préparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/087499 WO2015074197A1 (fr) 2013-11-20 2013-11-20 Caoutchouc amortisseur de chocs pour moteur et son procédé de préparation

Publications (1)

Publication Number Publication Date
WO2015074197A1 true WO2015074197A1 (fr) 2015-05-28

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003049022A (ja) * 2001-08-06 2003-02-21 Showa Electric Wire & Cable Co Ltd 高減衰ゴム組成物およびそれを用いた制振装置
CN101151318A (zh) * 2005-03-30 2008-03-26 盖茨公司 金属-弹性体配混物
CN101198442A (zh) * 2005-07-22 2008-06-11 Tdy工业公司 复合材料
CN102753613A (zh) * 2010-02-12 2012-10-24 山下橡胶株式会社 防振橡胶组合物
CN102770486A (zh) * 2010-02-26 2012-11-07 东海橡塑工业株式会社 防振橡胶组合物

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003049022A (ja) * 2001-08-06 2003-02-21 Showa Electric Wire & Cable Co Ltd 高減衰ゴム組成物およびそれを用いた制振装置
CN101151318A (zh) * 2005-03-30 2008-03-26 盖茨公司 金属-弹性体配混物
CN101198442A (zh) * 2005-07-22 2008-06-11 Tdy工业公司 复合材料
CN102753613A (zh) * 2010-02-12 2012-10-24 山下橡胶株式会社 防振橡胶组合物
CN102770486A (zh) * 2010-02-26 2012-11-07 东海橡塑工业株式会社 防振橡胶组合物

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