WO2001051564A1 - Composition de conversion d'energie - Google Patents

Composition de conversion d'energie Download PDF

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Publication number
WO2001051564A1
WO2001051564A1 PCT/JP2000/000163 JP0000163W WO0151564A1 WO 2001051564 A1 WO2001051564 A1 WO 2001051564A1 JP 0000163 W JP0000163 W JP 0000163W WO 0151564 A1 WO0151564 A1 WO 0151564A1
Authority
WO
WIPO (PCT)
Prior art keywords
base material
energy
crystalline polymer
absorbing
energy conversion
Prior art date
Application number
PCT/JP2000/000163
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
Application filed by Shishiai-Kabushikigaisha filed Critical Shishiai-Kabushikigaisha
Priority to PCT/JP2000/000163 priority Critical patent/WO2001051564A1/fr
Publication of WO2001051564A1 publication Critical patent/WO2001051564A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M14/00—Electrochemical current or voltage generators not provided for in groups H01M6/00 - H01M12/00; Manufacture thereof
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162—Selection of materials
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/85—Piezoelectric or electrostrictive active materials
    • H10N30/857—Macromolecular compositions

Definitions

  • the present invention relates to an energy conversion composition having a function of absorbing and converting energy such as mechanical energy, heat energy, light energy, or electric energy.
  • a soft vinyl chloride resin obtained by adding a plasticizer to a vinyl chloride resin has been known. By consuming it as frictional heat inside the resin, the attenuation was measured.
  • a material for absorbing sound energy such as a sound absorbing material
  • a material made of glass wool is known.
  • the sound was consumed as frictional heat when passing through the fiber surface while colliding with the fiber surface, so that the attenuation was measured.
  • this sound-absorbing material required a certain thickness in order to ensure sufficient sound-absorbing properties, and could not reliably absorb low-frequency sounds of 500 Hz or less.
  • a material that absorbs impact energy such as an impact absorbing material
  • a material in which short fibers are dispersed in a foam as disclosed in Japanese Patent Application Laid-Open No. Hei 6-300071 has been proposed. ing.
  • This shock absorbing material absorbs the impact when the foam gradually collapses in response to the impact, and the short fibers contained in the foam act like a binder to provide the tensile strength of the foam. To suppress the cracking of the foam due to the impact load concentrated in the local area.
  • shock absorbing material in order to secure sufficient shock absorbing performance Required a certain thickness and volume, and could not be used for applications where the space could not be secured.
  • an electromagnetic wave shielding material there is, for example, a material disclosed in Japanese Patent Application Laid-Open No. 5-255521. This material absorbs ultraviolet light with a wavelength of 250 to 400 nm, and once absorbed, the molecules that make up the material are excited into an excited state, converted to thermal energy, and released.
  • an ultraviolet absorbing compound having the following formula:
  • the thickness is generally at least about 10 to 20 microns in order to secure sufficient absorptivity. Therefore, it undermined the transmittance of visible light, there problem force s that no sufficient brightness can be obtained.
  • ceramics and the like are examples of the electric energy conversion material that constitutes an actuator applied to a dot printer or the like.
  • the piezoelectric effect (displacement) derived from these materials is extremely small, and higher performance has been required.
  • a material for absorbing and converting heat energy such as a heat absorbing fiber
  • a material for absorbing and converting heat energy such as a heat absorbing fiber
  • This endothermic material is a polymer composed of a linear aliphatic carboxylic acid component such as polyethylene adipate, polypentamethylene adipate, and polytetramethylene glutarate, and a linear aliphatic diol component. Endothermicity is developed by the heat of fusion absorbed when melting.
  • the present inventors have conducted research and found that the materials The amount of dipole moment has a deep relationship with the energy absorption and conversion function of the material.By increasing the amount of dipole moment in the material, the energy absorption and conversion function of the material can be dramatically improved I found that it can be improved. Based on this finding, the present inventors have proposed an energy conversion composition in WO97Z42844 in which an active ingredient that increases the amount of dipole moment is added to the material.
  • the present inventors have conducted intensive studies on the above energy conversion composition, and found that the crystallinity of the crystalline polymer constituting the base material in the composition and the energy conversion function have a close correlation. They have found that they have, and have completed the present invention.
  • the energy conversion composition of the present invention includes, for example, an unconstrained damping sheet, a constrained damping sheet, a damping paint, a damping paper, an asphalt damping material (automobile floor), an asphalt road (silent road).
  • Sound absorbing materials used for applications such as sound absorbing sheets, sound absorbing fibers (fibres, strands), sound absorbing foams, sound absorbing films, sound absorbing molded products, etc., and shoe soles such as training shoes , Protectors, headgear, casts, mats, supporters, grips and saddles for bicycles or motorcycles, front forks, tennis rackets, no domington, baseball bats, grips for sports equipment such as golf clubs, bicycles, etc.
  • Handle grip or tool grip such as a hammer Shock absorbing materials used in a wide range of applications such as tapes, slippers, gun bottoms, shoulder pads, bulletproof chucks, etc., which are used in applications such as seismic isolation rubber and vibration-proof molded products.
  • Electromagnetic wave shielding materials used for applications such as vibration-absorbing rubber materials, X-ray absorbing sheets and ultraviolet absorbing sheets, piezoelectric materials that convert mechanical energy into electrical energy, or electrical energy into mechanical energy, heat-absorbing fibers, and heat-absorbing pellets It can be used as an energy conversion material in a wide range of fields, such as endothermic materials used for applications such as heat transfer.
  • an active component that increases the amount of dipole moment in the base material is blended in the base material, and the base material is composed of a crystalline polymer.
  • the crystallinity of the crystalline polymer is 10 to 40.
  • the base material is composed of a crystalline polymer.
  • Crystalline polymers include polyethylene (PE), polypropylene (PP), polyacrylonitrile, poly (methyl methacrylate), polyvinylidene fluoride, polyisoprene, polystyrene (PS), polyvinyl alcohol (PVA), and cell openings.
  • acrylonitrile-butadiene rubber NBR
  • acryl rubber ACR
  • styrene-butadiene rubber SBR
  • butadiene rubber BR
  • natural rubber NR
  • isoprene rubber IR
  • chloroprene rubber CR
  • rubber-based polymers such as ABS-based copolymers, ethylene-based copolymers, polypropylene-based copolymers, polyamide-based copolymers, and ethylene-monobutyl acetate copolymers Can be.
  • the copolymer includes not only a block polymer but also a polymer obtained by random polymerization / graft polymerization, or a polymer containing a randomly polymerized portion or a graft polymerized portion in the molecule.
  • the base material is made of polyethylene (PE), polypropylene (PP), polymethyl methacrylate, polyvinylidene fluoride, polyisoprene, polystyrene (PS), ethylene
  • PE polyethylene
  • PP polypropylene
  • PS polymethyl methacrylate
  • polyvinylidene fluoride polyvinylidene fluoride
  • PS polystyrene
  • ethylene examples include vinyl monoacetate copolymer, styrene-butadiene-acrylonitrile copolymer (ABS), and styrene-acrylonitrile copolymer (AS).
  • the base material is polyester (PET), polyurethane, polyamide, polyacrylonitrile, in addition to the above-mentioned polymers constituting the vibration damping material. , Polybutyl alcohol (PVA), cellulose and the like.
  • P PET polyester
  • Purethane polyurethane
  • polyamide polyamide
  • polyacrylonitrile in addition to the above-mentioned polymers constituting the vibration damping material.
  • PVA Polybutyl alcohol
  • cellulose cellulose and the like.
  • a sound absorbing property can be further improved by adding a foaming agent to the above-described polymer and foaming the polymer to form an open-cell foam.
  • vibration-proof materials such as vibration-proof rubber, acrylonitrile-butadiene rubber (NBR), styrene-butadiene rubber (SBR), butadiene rubber
  • Rubber-based polymers such as (BR), natural rubber (NR), and isoprene rubber (IR) can be used.
  • BR natural rubber
  • IR isoprene rubber
  • the base material in addition to the above-mentioned crystalline polymer, for example, substances such as my scales, glass pieces, glass fiber, carbon fiber, calcium carbonate, barite, precipitated barium sulfate, and corrosion inhibitors , A dye, an antioxidant, an antistatic agent, a stabilizer, a wetting agent and the like can be added as needed.
  • the base material composed of the above-mentioned crystalline polymer is subjected to energy such as vibration, sound, impact, electricity, pressure, light, and heat. 12 is displaced.
  • the displacement of the dipoles 12 means that the dipoles 12 in the base material 11 rotate or shift in phase.
  • the amount of the dipole moment in the base material varies depending on the type of the crystalline polymer constituting the base material described above. Also, even if the same polymer is used, the amount of dipole moment generated in the base material changes depending on the temperature when energy is applied. The amount of dipole moment also depends on the type and magnitude of energy applied to the base material. For this reason, it is desirable to appropriately select and use a polymer having the largest amount of dipole moment in consideration of the temperature at which energy is applied, the type and size of energy, and the like.
  • the selection of the crystalline polymer constituting the base material is not limited to the amount of dipole moment in the base material, and it is easy to handle, form, and easily obtain according to the application and use form of the energy conversion composition. It is desirable to take into account the heat resistance, temperature performance (heat resistance and cold resistance), weather resistance and price.
  • the amount of dipole moment in the matrix was increased with the crystalline polymer that composes the matrix.
  • the active ingredient to be added is blended.
  • the active component is a component that dramatically increases the amount of dipole moment in the base material, and has a large dipole moment amount of the active component itself or a small dipole moment amount of the active component itself.
  • the amount of dipole moment generated in the base material 11 under the given temperature conditions and the magnitude of the energy is the same as shown in Fig. 3 by mixing the active ingredient into the base material. It would add to the amount of 3 times or 10 times below.
  • Active ingredients having such an effect include, for example, N, N-dicyclohexylbenzobenzothiazyl-1-sulfenamide (DCHBSA), 2-mercaptobenzothiazole (MBT), dibenzothiazyl sulfide (MBTS), N-cyclohexylbenzothiazyl-1-sulfenamide (CBS), N-tert-Butylbenzothiazyl-2-sulfenamide (BBS), N-oxycetylene lenbenzothiazyl-12-sulfenamide (OBS) Compounds containing a benzothiazyl group, such as N, N, N-diisopropylbenzothiazyl-12-sulfenamide (DPBS),
  • DCHBSA N-dicyclohexylbenzobenzothiazyl-1-sulfenamide
  • MTT 2-mercaptobenzothiazole
  • MBTS dibenzothiazyl sulfide
  • Benzotriazole having an azole group bonded to a benzene ring is used as a mother nucleus, and a phenyl group is bonded to the nucleus.
  • a compound containing a diphenyl acrylate group such as ethyl 2-cyano 3, 3-diphenyl acrylate;
  • HMBPS Metal-based compound having a benzophenone group, such as xie 4-methoxybenzophenone-15-sulfonic acid
  • the amount of dipole moment in the active component varies depending on the type of active component, similarly to the amount of dipole moment in the base material. Even when the same active ingredient is used, the amount of dipole moment generated in the base material changes depending on the temperature when energy is applied. The amount of dipole moment also changes depending on the type and magnitude of energy applied to the base material. For this reason, it is desirable to select and use an active ingredient that gives the largest amount of dipole moment at that time in consideration of the temperature and the type and size of the energy when the energy conversion composition is applied.
  • energy such as vibration, sound, or impact is received and absorbed like a vibration damping material, a sound absorbing material, or a shock absorbing material. It is not limited to heat and its attenuation, but it is not limited to electric power, such as piezoelectric materials, electric energy to mechanical energy, or mechanical energy to electric energy, battery materials, electric work. Some include temporarily storing energy and releasing it again when needed.
  • the crystallinity of the crystalline polymer constituting the base material is 10 to 40, more preferably 10 to 20. This range of crystallinity is considered that a part of the crystalline polymer is crystallized, a frame is formed by the crystalline polymer, and the above-mentioned active ingredient is taken into the frame. If the crystallinity is less than 10, the matrix of the crystalline polymer is incomplete and the active ingredient cannot be incorporated in a sufficient amount. As a result, the crystallization of the polymer proceeds so much that the active ingredient cannot enter the framework of the polymer, and as a result, a sufficient amount of the active ingredient cannot be taken into the base material.
  • a loose frame is formed by crystallization of the crystalline polymer constituting the base material, and a sufficient amount of the active ingredient is taken into this frame. It is.
  • an ABS copolymer As a crystalline polymer constituting a base material, an ABS copolymer, an ethylene copolymer, a polypropylene copolymer, a polyamide copolymer, and ethylene-acetic acid are used.
  • a copolymer such as a vinyl copolymer, which is randomly polymerized, is used, the repeated portion of the irregular arrangement becomes amorphous, and many active ingredients are formed in gaps formed in this portion. Will enter.
  • the active component is entangled with the branched portion, so that the active component can easily enter.
  • the crystalline polymer constituting the base material as described above may be a copolymer obtained by random polymerization and / or a draft polymerization, or a copolymer having a portion obtained by random polymerization and / or graft polymerization in a molecule. In this case, more active components will enter and the energy conversion function will grow accordingly.
  • FIG. 1 is a schematic diagram showing a dipole in a base material.
  • FIG. 2 is a schematic diagram showing a state of a dipole in a base material when energy is applied.
  • FIG. 3 is a schematic diagram showing a dipole state of a base material when an active ingredient is blended.
  • FIG. 4 is a graph showing the relationship between the temperature and the loss tangent (tan S) in the sample sheet of Example 1.
  • FIG. 5 is a graph showing the relationship between the temperature and the loss tangent (tanS) in the sample sheet of Example 2.
  • FIG. 6 is a graph showing the relationship between the temperature and the loss tangent (tan 6) in the sample sheet of Example 3.
  • Blend ethylene monoacetate copolymer (Evaflex EV 260 Mitsui DuPont Polychemical Co., Ltd.) and DCHBSA (Suncellar DZ-G, manufactured by Sanshin Chemical Industry Co., Ltd.) at a ratio of 80 to 20.
  • Evaflex EV 260 Mitsui DuPont Polychemical Co., Ltd. and DCHBSA (Suncellar DZ-G, manufactured by Sanshin Chemical Industry Co., Ltd.) at a ratio of 80 to 20.
  • the obtained sample sheet was immediately put into a freezer (at 140 ° C) after press molding and cooled for 30 minutes (Example 1).
  • Example 5 After 1 hour from the press forming, it was put into a freezer (-40 ° C) After cooling for 30 minutes (Example 2), and after 2 hours from press molding, the sample was put in a freezer (140 ° C) and cooled for 30 minutes (Example 3).
  • the loss tangent (tan ⁇ ) was measured using a dynamic viscoelasticity test device (Reo Vibron DDV-25FP, manufactured by Orientec Co., Ltd.).
  • Example 1 Example 2, Example 2 and Example 3 were 35, respectively.
  • Example 3 having a crystallinity of 35 exceeded the loss tangent ta ⁇ force S1 in the range of about 0 ° C. to 5 ° C.
  • Example 2 having a crystallinity of 29 shown in FIG.
  • the loss tangent ta ⁇ ⁇ exceeds 2 at about 10 ° C
  • the crystallinity of FIG. 4 is 16 in Example 1
  • the loss tangent ta ⁇ starts at about 0: to 15 ° C. ⁇ jumped to an unmeasurable level.

Abstract

La présente invention concerne une composition de conversion d'énergie permettant d'absorber et de transformer l'énergie, notamment l'énergie mécanique, thermique, lumineuse ou électrique. Cette composition contient une matière de base et un composant actif mélangés ensemble, afin d'augmenter la valeur du moment dipolaire dans la matière de base, laquelle constitue un polymère cristallin dont la cristallinité est comprise entre 10 et 40. Par conséquent, on peut utiliser cette composition dans diverses applications, notamment comme matériaux antibruit, anti-chocs, antivibrations, comme matériaux d'amortissement ou d'absorption d'ondes électromagnétiques, ou encore comme matériaux piézo-électrique ou de batterie.
PCT/JP2000/000163 2000-01-14 2000-01-14 Composition de conversion d'energie WO2001051564A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/000163 WO2001051564A1 (fr) 2000-01-14 2000-01-14 Composition de conversion d'energie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/000163 WO2001051564A1 (fr) 2000-01-14 2000-01-14 Composition de conversion d'energie

Publications (1)

Publication Number Publication Date
WO2001051564A1 true WO2001051564A1 (fr) 2001-07-19

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005007750A1 (fr) * 2003-07-17 2005-01-27 Cci Corporation Composition d'amortissement
RU2482346C1 (ru) * 2011-12-14 2013-05-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Воронежский государственный университет инженерных технологий (ФГБОУ ВПО ВГУИТ) Виброзащитная платформа
JP2014214398A (ja) * 2013-04-25 2014-11-17 帝人株式会社 吸音材

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09241461A (ja) * 1996-03-05 1997-09-16 Cci Corp 塩化ビニル系制振樹脂組成物
WO1997042844A1 (fr) * 1996-05-10 1997-11-20 Shishiai-Kabushikigaisha Composition de conversion d'energie
JPH09302139A (ja) * 1996-05-10 1997-11-25 Cci Corp 制振材
JPH09316295A (ja) * 1996-05-30 1997-12-09 Cci Corp エネルギー変換組成物
JPH107845A (ja) * 1996-06-28 1998-01-13 Cci Corp 制振材料
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
JPH10143164A (ja) * 1996-11-07 1998-05-29 Cci Corp 吸音シート
JPH10149171A (ja) * 1996-11-19 1998-06-02 Cci Corp 発泡吸音材
JPH10161663A (ja) * 1996-12-03 1998-06-19 Cci Corp 吸音繊維、及びそれを用いた吸音糸、吸音繊維体
JPH10190280A (ja) * 1996-12-27 1998-07-21 Cci Corp 電磁波吸収塗料
JPH10195339A (ja) * 1996-11-14 1998-07-28 Cci Corp 制振塗料
JPH10231430A (ja) * 1997-02-20 1998-09-02 Cci Corp 圧電材料

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09241461A (ja) * 1996-03-05 1997-09-16 Cci Corp 塩化ビニル系制振樹脂組成物
WO1997042844A1 (fr) * 1996-05-10 1997-11-20 Shishiai-Kabushikigaisha Composition de conversion d'energie
JPH09302139A (ja) * 1996-05-10 1997-11-25 Cci Corp 制振材
JPH09316295A (ja) * 1996-05-30 1997-12-09 Cci Corp エネルギー変換組成物
JPH107845A (ja) * 1996-06-28 1998-01-13 Cci Corp 制振材料
JPH10139933A (ja) * 1996-11-07 1998-05-26 Cci Corp 防振材料
JPH10143164A (ja) * 1996-11-07 1998-05-29 Cci Corp 吸音シート
JPH10138365A (ja) * 1996-11-12 1998-05-26 Cci Corp 非拘束型制振材
JPH10195339A (ja) * 1996-11-14 1998-07-28 Cci Corp 制振塗料
JPH10149171A (ja) * 1996-11-19 1998-06-02 Cci Corp 発泡吸音材
JPH10161663A (ja) * 1996-12-03 1998-06-19 Cci Corp 吸音繊維、及びそれを用いた吸音糸、吸音繊維体
JPH10190280A (ja) * 1996-12-27 1998-07-21 Cci Corp 電磁波吸収塗料
JPH10231430A (ja) * 1997-02-20 1998-09-02 Cci Corp 圧電材料

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005007750A1 (fr) * 2003-07-17 2005-01-27 Cci Corporation Composition d'amortissement
RU2482346C1 (ru) * 2011-12-14 2013-05-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Воронежский государственный университет инженерных технологий (ФГБОУ ВПО ВГУИТ) Виброзащитная платформа
JP2014214398A (ja) * 2013-04-25 2014-11-17 帝人株式会社 吸音材

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