WO2000008100A1 - Pieces moulees antivibrations en resine et pastilles de resine antivibrations destinees au moulage desdites pieces - Google Patents

Pieces moulees antivibrations en resine et pastilles de resine antivibrations destinees au moulage desdites pieces Download PDF

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Publication number
WO2000008100A1
WO2000008100A1 PCT/JP1998/005195 JP9805195W WO0008100A1 WO 2000008100 A1 WO2000008100 A1 WO 2000008100A1 JP 9805195 W JP9805195 W JP 9805195W WO 0008100 A1 WO0008100 A1 WO 0008100A1
Authority
WO
WIPO (PCT)
Prior art keywords
vibration
resin
damping
parts
active ingredient
Prior art date
Application number
PCT/JP1998/005195
Other languages
English (en)
Japanese (ja)
Inventor
Yasuyuki Ohira
Mitsuo Hori
Original Assignee
Shishiai-Kabushikigaisha
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
Priority claimed from PCT/JP1998/003543 external-priority patent/WO2000007789A1/fr
Application filed by Shishiai-Kabushikigaisha filed Critical Shishiai-Kabushikigaisha
Priority to PCT/JP1998/005195 priority Critical patent/WO2000008100A1/fr
Publication of WO2000008100A1 publication Critical patent/WO2000008100A1/fr

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Classifications

    • 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
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function

Definitions

  • the present invention relates to automobiles, home appliances, precision equipment, electronic equipment, OA Resin molded parts such as equipment, communication equipment, construction machinery, civil engineering buildings, other various machines, equipment, structures, etc., vibration damping resin molded parts having excellent vibration damping performance per se, and vibration damping thereof TECHNICAL FIELD
  • the present invention relates to a vibration-damping resin molding pellet applied as a molding material for parts.
  • vibration-reducing products for industrial machinery and equipment that are sources of vibration, or for electronic equipment, precision equipment, home appliances, OA equipment, and communication equipment that are easily affected by vibration.
  • industrial machinery and equipment that are sources of vibration
  • electronic equipment, precision equipment, home appliances, OA equipment, and communication equipment that are easily affected by vibration.
  • Conventionally in order to respond to such demands, automobiles, home appliances, electronic equipment, precision equipment, OA equipment, communication equipment, construction machinery, civil engineering buildings, various other machines, equipment, and structures have been used as vibration countermeasures.
  • Materials with viscoelastic properties such as rubber, plastic, and asphalt (vibration damping materials) are cut and bent according to the size and shape of the application location of the machine, equipment, structure, etc.
  • the present invention has been made in view of such technical problems, and includes automobiles, home appliances, precision equipment, electronic equipment, OA equipment, communication equipment, construction machinery, civil engineering buildings, other various machines, equipment, Resin molded parts such as structures have excellent vibration damping performance per se, eliminating the need to cut or bend them according to the size and shape of the application area, and to stick them to the application area It is an object of the present invention to provide a vibration-damping resin molded part that can be used and a pellet for molding a vibration-damping resin applied as a molding material for the vibration-damping resin molded part. Disclosure of the invention
  • vibration-damping parts include automobiles, home appliances, electronic equipment, precision equipment, OA equipment, communication equipment, construction machinery, civil engineering buildings, various other machines, Applied as components that make up equipment and structures, especially machines and equipment that generate noise, such as automobiles and washing machines, and machines and equipment such as video cameras and recorders that can interfere with even small amounts of noise or vibration. .
  • This vibration damping component is a vibration damping resin molding pellet (hereinafter simply referred to as a pellet) in which an active component that increases the amount of dipole moment in the base resin is blended with an inorganic filler. It was molded as a molding material.
  • the shape, size, manufacturing method, etc. of the pellets used as the molding material for the damping parts are completely arbitrary.
  • a composition comprising a base resin, an active ingredient and an inorganic filler, which will be described later, is extruded by an extruder and then formed into a round shape by a strand cut method or a hot cut method, or the composition is formed into a sheet shape.
  • the shape, size, and manufacturing method of the pellet are based on the type, size, shape, and use of the vibration-damping component to which the pellet is applied as a molding material. It is good to decide appropriately considering the state.
  • base resins in this pellet include polychlorinated vinyl, polyethylene, chlorinated polyethylene, polypropylene, ethylene-vinyl acetate copolymer, polymethyl methacrylate, polyvinylidene fluoride, polyisoprene, polystyrene, and styrene-butadiene.
  • ABS resin Acrylonitrile copolymer
  • AS resin styrene-acrylonitrile copolymer
  • NBR acrylonitrile-butadiene rubber
  • SBR styrene-butadiene rubber
  • BR butadiene rubber
  • NR natural rubber
  • IR isoprene rubber
  • vibration-damping components that require heat resistance and strength, such as automobile interiors and dashboards, electric washing machines and refrigerators, video cameras and recorders, casings for copiers and printers, telephones, partition walls, gears and pulleys, etc.
  • FIG. 1 shows an arrangement state of the dipoles 12 inside the base resin 11 before the vibration energy is transmitted. It can be said that the arrangement state of the dipoles 12 is in a stable state.
  • the active component is a component that dramatically increases the amount of dipole moment in the base resin, and the active component itself has a large dipole moment, or the active component itself has a small dipole moment, Distribute the active ingredient A component that, when combined, can dramatically increase the amount of dipole moment in the base resin.
  • active ingredients that induce such effects include N, N-dicyclohexylbenzobenzothiazyl-2-snolefenamide (DCHB SA), 2-mercaptobenzothiazole (MBT), dibenzothiazyl sulfide (MBTS), and the like.
  • CB S N-cyclohexylbenzothiazyl-1-sulfenamide
  • BSS N-tert-butyl benzothiazyl di-2-eth / refenamide
  • BSS N-oxyxetene lembenozhiaziryl 2-sulfenamide
  • OBS N-cyclohexylbenzothiazyl-1-sulfenamide
  • DPBS N-diisopropylbenzothiazyl_2-sulfenamide
  • benzotriazole in which an azole group is bonded to a benzene ring.
  • HMBP 2-hydroxy-1-methoxybenzophenone
  • HM BPS 2-hydroxy-4-methoxybenzophenone-5-sulfonic acid
  • HMBP 2-hydroxy-1-methoxybenzophenone
  • HM BPS 2-hydroxy-4-methoxybenzophenone-5-sulfonic acid
  • HMBP 2-hydroxy-1-methoxybenzophenone
  • HM BPS 2-hydroxy-4-methoxybenzophenone-5-sulfonic acid
  • HM BPS 2-hydroxy-4-methoxybenzophenone-5-sulfonic acid
  • the active component that gives the largest amount of the dipole moment in consideration of the temperature and energy at the time of application.
  • the amount of the active ingredient is preferably 10 to 200 parts by weight based on 100 parts by weight of the base resin.
  • the amount of the active ingredient when the amount of the active ingredient is less than 10, the sufficient effect of dramatically increasing the amount of the dipole moment in the base resin cannot be obtained, and the amount of the If it exceeds, even if the blending amount is increased, it is not possible to expect an increase in the amount of dipole moment by the increased amount, and there is a risk of causing a disadvantage that the formability is deteriorated.
  • at least two kinds of active ingredients having different glass transition points may be blended into the base resin to extend the temperature range where the vibration absorbing performance is exhibited. It is possible.
  • Inorganic fillers include my rye scales, glass flakes, fiberglass, and riichi bonfu Examples include Aiva, calcium carbonate, baryte, and precipitated barium sulfate. These inorganic fillers are filled for the purpose of further improving the vibration absorbing performance.
  • the inorganic filler is preferably contained in a proportion of 100 to 100 parts by weight with respect to 100 parts by weight of the base resin.
  • the filling amount of the inorganic filler is less than 10, even if the filling of the inorganic filler is not sufficiently improved, the vibration absorbing performance is not improved. Even if the amount exceeds the above range, adverse effects may be caused if the material cannot be actually filled or if the mechanical strength of the pellet or the vibration damping component formed using the pellet as a molding material is reduced.
  • the amount of dipole moment in the base resin increases dramatically, and the The vibration components themselves exhibit excellent vibration damping performance.
  • FIG. 1 is a schematic diagram showing a dipole in a base resin.
  • Fig. 2 is a schematic diagram showing the state of dipoles in the base resin when vibration energy is applied.
  • FIG. 3 is a schematic diagram showing a state of a dipole in a base resin when an active ingredient is blended.
  • FIG. 4 is a graph showing the mechanical properties E ′′ (dyne / cm 2 ) at various temperatures under the frequency of 110 Hz for the samples of Examples 1 to 3 and Comparative Examples 1 and 2.
  • each of the obtained pellets is put into a molding machine, and formed into a sheet having a thickness of l mm, which is cut into a size of 56 mm ⁇ 9 mm in length and width, and Sampled.
  • E ′′ loss elastic modulus
  • FIG. 1 the mechanical characteristics E ′′ (loss elastic modulus) at each temperature under a frequency of 110 Hz are shown in FIG. "(Loss modulus) was measured using a dynamic viscoelasticity measurement test device (Leo Pai Bron DDV-25FP, Orientec Co., Ltd.).
  • a mechanical property E ′′ was similarly measured for a sheet made of only PVC (Comparative Example 2), which has been conventionally used as a base resin of a vibration damping material, and is shown in FIG.
  • the sample of Comparative Example 2 consisting only of PVC was compared with the sample of Comparative Example 1 using ABS resin in the operating temperature range ( (Around 0 to 60 ° C).
  • the sample of Example 1 which also uses ABS resin as the base resin and mixes the active ingredient (CBS) with my strength, has dramatically improved vibration damping performance in the operating temperature range. From this, it can be seen that the active ingredient (CBS) and my strength greatly contribute to the damping performance. However, its peak (glass transition point) is around 40 ° C, and deformation may occur in a high temperature atmosphere of 80 to 120 ° C.
  • the sample of Example 2 in which the ABS resin is also used as the base resin and the amount of the active ingredient (CBS) is small has a lower performance than that of Example 1 in the operating temperature range. its peak (glass transition point) is in the vicinity of 9 5 ° C, even the 80 C C when exposed to Eru Yue hot, it can be seen that hardly deformed.
  • the sample of Example 3 uses the AS resin as a base resin, has a satisfactory performance in the operating temperature range, and is hardly deformed even in a high temperature atmosphere of 80 to 120 ° C.

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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

L'invention concerne des pièces moulées en résine qui sont utilisées dans la conception d'automobiles, d'appareils électriques domestiques, d'appareils de précision, d'appareils électroniques, de machines de bureautique, de dispositifs de communication, de machines de construction, d'ateliers de construction mécanique, de bâtiments et d'autres machines, dispositifs et structures. L'invention concerne également des pièces moulées antivibrations en résine, lesquelles présentent par elles-mêmes d'excellentes performances d'amortissement des vibrations. L'invention concerne enfin des pastilles de résine antivibrations destinées à être utilisées comme matériau de moulage des pièces et qui sont caractérisées en ce qu'elles sont constituées d'une résine de base ayant un point de transition vitreuse situé à 40 °C ou plus, d'un composant actif augmentant le moment dipolaire de la résine, enfin d'une charge inorganique.
PCT/JP1998/005195 1998-08-07 1998-11-18 Pieces moulees antivibrations en resine et pastilles de resine antivibrations destinees au moulage desdites pieces WO2000008100A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP1998/005195 WO2000008100A1 (fr) 1998-08-07 1998-11-18 Pieces moulees antivibrations en resine et pastilles de resine antivibrations destinees au moulage desdites pieces

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPPCT/JP98/03543 1998-08-07
PCT/JP1998/003543 WO2000007789A1 (fr) 1998-08-07 1998-08-07 Pastille pour moulage antivibrations de resine
PCT/JP1998/005195 WO2000008100A1 (fr) 1998-08-07 1998-11-18 Pieces moulees antivibrations en resine et pastilles de resine antivibrations destinees au moulage desdites pieces

Publications (1)

Publication Number Publication Date
WO2000008100A1 true WO2000008100A1 (fr) 2000-02-17

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002179927A (ja) * 2000-12-15 2002-06-26 Cci Corp 低反発弾性・制振性ポリマー組成物
JP2002179908A (ja) * 2000-12-15 2002-06-26 Cci Corp 制振性樹脂組成物
WO2004055116A1 (fr) * 2002-12-13 2004-07-01 Shishiai-Kabushikigaisha Plastique industriel d'amortissement des vibrations

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62146951A (ja) * 1985-12-20 1987-06-30 Adeka Argus Chem Co Ltd ポリカ−ボネ−ト樹脂組成物
JPH0559241A (ja) * 1991-09-04 1993-03-09 Tosoh Corp 振動エネルギ−吸収材
JPH0641443A (ja) * 1992-07-23 1994-02-15 Japan Synthetic Rubber Co Ltd 制振材用樹脂組成物
JPH06272734A (ja) * 1993-03-17 1994-09-27 C C I Kk 耐衝撃性制振性機材
JPH0748489A (ja) * 1993-08-05 1995-02-21 Mitsubishi Gas Chem Co Inc 耐光性樹脂組成物
JPH07145270A (ja) * 1993-11-22 1995-06-06 Kyowa:Kk 絶縁性と制振性と熱伝導性を有するゴムおよび／またはプラスチック成型物
JPH07188542A (ja) * 1993-12-27 1995-07-25 Sumitomo Bakelite Co Ltd 制振性ポリカーボネート樹脂組成物
JPH07188543A (ja) * 1993-12-27 1995-07-25 Sumitomo Bakelite Co Ltd 制振性ポリカーボネート樹脂組成物
JPH09241461A (ja) * 1996-03-05 1997-09-16 Cci Corp 塩化ビニル系制振樹脂組成物
JPH10138365A (ja) * 1996-11-12 1998-05-26 Cci Corp 非拘束型制振材
JPH10139933A (ja) * 1996-11-07 1998-05-26 Cci Corp 防振材料

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62146951A (ja) * 1985-12-20 1987-06-30 Adeka Argus Chem Co Ltd ポリカ−ボネ−ト樹脂組成物
JPH0559241A (ja) * 1991-09-04 1993-03-09 Tosoh Corp 振動エネルギ−吸収材
JPH0641443A (ja) * 1992-07-23 1994-02-15 Japan Synthetic Rubber Co Ltd 制振材用樹脂組成物
JPH06272734A (ja) * 1993-03-17 1994-09-27 C C I Kk 耐衝撃性制振性機材
JPH0748489A (ja) * 1993-08-05 1995-02-21 Mitsubishi Gas Chem Co Inc 耐光性樹脂組成物
JPH07145270A (ja) * 1993-11-22 1995-06-06 Kyowa:Kk 絶縁性と制振性と熱伝導性を有するゴムおよび／またはプラスチック成型物
JPH07188542A (ja) * 1993-12-27 1995-07-25 Sumitomo Bakelite Co Ltd 制振性ポリカーボネート樹脂組成物
JPH07188543A (ja) * 1993-12-27 1995-07-25 Sumitomo Bakelite Co Ltd 制振性ポリカーボネート樹脂組成物
JPH09241461A (ja) * 1996-03-05 1997-09-16 Cci Corp 塩化ビニル系制振樹脂組成物
JPH10139933A (ja) * 1996-11-07 1998-05-26 Cci Corp 防振材料
JPH10138365A (ja) * 1996-11-12 1998-05-26 Cci Corp 非拘束型制振材

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002179927A (ja) * 2000-12-15 2002-06-26 Cci Corp 低反発弾性・制振性ポリマー組成物
JP2002179908A (ja) * 2000-12-15 2002-06-26 Cci Corp 制振性樹脂組成物
WO2004055116A1 (fr) * 2002-12-13 2004-07-01 Shishiai-Kabushikigaisha Plastique industriel d'amortissement des vibrations
US7351757B2 (en) 2002-12-13 2008-04-01 Shishiai-Kabushikigaisha Vibration-damping engineering plastics

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