WO2001040391A1 - Materiau pour revetement amortissant les vibrations - Google Patents

Materiau pour revetement amortissant les vibrations Download PDF

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Publication number
WO2001040391A1
WO2001040391A1 PCT/JP1999/006786 JP9906786W WO0140391A1 WO 2001040391 A1 WO2001040391 A1 WO 2001040391A1 JP 9906786 W JP9906786 W JP 9906786W WO 0140391 A1 WO0140391 A1 WO 0140391A1
Authority
WO
WIPO (PCT)
Prior art keywords
damping
vibration
coating film
film component
paint
Prior art date
Application number
PCT/JP1999/006786
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/JP1999/006786 priority Critical patent/WO2001040391A1/fr
Publication of WO2001040391A1 publication Critical patent/WO2001040391A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/08—Homopolymers or copolymers of acrylic acid esters

Definitions

  • the present invention relates to a vibration-damping paint that can be applied to places where vibrations occur, such as automobiles, interior materials, building materials, and home electric appliances, and can form a vibration-damping coating film having excellent vibration energy absorption performance.
  • vibration-damping sheets have been generally used as parts for absorbing vibration energy in places where vibrations occur, such as automobiles, interior materials, building materials, and home appliances.
  • a force-damping sheet it must first be cut into a size and shape corresponding to the application area.
  • the vibration damping sheet is attached to the application site using an adhesive or a pressure-sensitive adhesive, most of the attaching work has to be done manually, and there is a problem that the working efficiency is poor.
  • the damping sheet cannot be pasted at the application places such as curved surfaces and narrow gaps, or even if it can be pasted, it easily peels off. Was required.
  • vibration damping paints have been proposed in which a my scale is added to a coating component mainly composed of a viscoelastic polymer such as rubber, plastic, or asphalt.
  • This damping paint can easily form a damping coating simply by spraying the damping paint on the application area, and does not require the work of cutting and pasting as in the case of the damping sheet. It has the advantage that a vibration damping coating can be easily formed even on curved surfaces and narrow gaps. Furthermore, since the damping paint is simply sprayed on the applicable portion, the work can be performed using a robot or the like, and there is an advantage that work efficiency can be greatly improved.
  • this damping paint has the advantages described above, but the thickness of the damping paint film formed by the damping paint is limited to 2 mm, and high performance is required. could not be applied to any part.
  • W097Z428444 a novel composition containing an active ingredient that increases the amount of dipole moment in the coating film component.
  • a damping paint was proposed.
  • the amount of dipole moment inside the damping coating formed by the coating film components is extremely large, so that when vibration energy is applied to the damping coating, As a result, the energy consumption due to the displacement of the dipole and the restoring action of the dipole becomes extremely large, and as a result, superior vibration energy absorption performance that has never been achieved before is derived.
  • the present invention provides a vibration damping material having an excellent vibration energy absorbing performance, even when the coating film component and the active component are sufficiently mixed before the formation of the vibration damping coating film, without heating after the formation of the vibration damping coating film. It is an object of the present invention to provide a damping paint capable of forming a coating film.
  • the present invention relates to a vibration damping paint containing an active ingredient which increases the amount of dipole moment in the paint film component in the paint film component, wherein an acryl-based polymer substituted with a carboxyl group is used as the paint film component. It is characterized by the following. First, the relationship between the amount of dipole moment of the coating film component in the damping paint and the vibration energy absorbing performance will be described.
  • Figure 1 shows the arrangement of the dipoles 12 inside the damping coating 11 formed by the coating components before the vibration energy was transmitted. It can be said that the arrangement state of the dipoles 12 is in a stable state. However, the transfer of the vibration energy causes a displacement in the dipoles 12 existing inside the damping coating 11, and as shown in FIG. 2, each dipole inside the damping coating 11 1 1 2 will be placed in an unstable state, and each dipole 1 2 will try to return to a stable state as shown in FIG. At this time, energy is consumed. It is considered that vibration energy is absorbed through the displacement of the dipole inside the damping coating 11 and the energy consumption due to the dipole restoring action.
  • the active ingredient has the function of dramatically increasing the amount of dipole moment inside the damping coating.
  • the active ingredient when the active ingredient itself has a large dipole moment amount, or the active ingredient itself has a small dipole moment amount, but when dissolved with the coating film component, the amount of the dipole moment inside the coating film component is reduced.
  • a component that can be dramatically increased For example, under a predetermined temperature condition, a predetermined amount of vibration energy is applied to the damping coating. As shown in Fig.
  • the amount of dipole moment generated inside the damping coating film formed by sufficiently melting the coating film component and the active component under the same conditions is as shown in Fig. 3.
  • active ingredients that induce such effects include N, N-dicyclohexylbenzothiazyl-12-sulfenamide (DCHBSA), 2-mercaptobenzothiazole (MBT), and dibenzothiazylsulfide (MBTS).
  • CBS N-cyclohexylbenzothiazyl-1-sulfenamide
  • BBS N-tert-butylbenzothiazyl-2-sulfenamide
  • OBS N-oxyzetj Lembenozhiaziryl 2-sulfenamide
  • DPBS N-diisopropyl benzothiazyl-1-benzosulfonamide
  • DPBS N-diisopropyl benzothiazyl-1-benzosulfonamide
  • DPBS N-diisopropyl benzothiazyl-1-benzosulfonamide
  • DPBS N-diisopropyl benzothiazyl-1-benzosulfonamide
  • benzothiazyl group-containing compounds containing one or more compounds selected from the group consisting of benzotriazo compounds with an azole group bonded to the benzene ring.
  • the content of the active ingredient is less than 10 parts by weight, the effect of increasing the amount of dipole moment cannot be obtained, and if the content of the active ingredient exceeds 100 parts by weight, sufficient May not be compatible with each other or may not have sufficient film strength.
  • the active component contained in the coating film component it is preferable to select a material having a similar value in consideration of the compatibility between the active component and the coating film component, that is, the SP value.
  • the amount of the dipole moment varies depending on the types of the above-mentioned coating film components and active components. And even if the same components are used, the amount of the dipole moment changes depending on the temperature when the vibration energy is transmitted.
  • the coating film component and active component are selected and used so that the largest amount of dipole moment is obtained. It is desirable.
  • the above-mentioned active ingredients are not limited to one kind, and two or more kinds can be mixed. In this case, at least two or more active components having different glass transition points can be contained in the coating film component to extend the temperature range in which the vibration damping property is exhibited. For example, a combination of DCHP and DCHBSA, and a combination of DCHP, DCHBSA and ECDPA can be mentioned.
  • a filler such as barium can also be filled.
  • the filling amount of the filter is preferably 10 to 90% by weight. For example, when the filling amount of the filler is less than 10% by weight, the absorption performance is not sufficiently improved even if the filling of the filler is performed, and conversely, the filling amount of the filler is 90%.
  • the vibration damping paint of the present invention is obtained by dispersing the above-mentioned coating film component, active ingredient, and filler in water or alcohol and using it as an emulsion. In that case, a dispersant, a wetting agent, and a thickener are used. Other components such as an agent, an antifoaming agent or a coloring agent are added as needed.
  • a conventionally known application means such as an air spray gun, an air spray gun, or a brush can be used.
  • the coating film component and the active component dissolve each other, so that an unprecedented superior vibration energy absorbing performance is generated.
  • the inventor of the present invention has been able to form a vibration damping coating having excellent vibration energy absorption performance even when the coating component and the active component are sufficiently melted and not heated after the formation of the vibration damping coating.
  • a vibration damping coating having excellent vibration energy absorption performance even when the coating component and the active component are sufficiently melted and not heated after the formation of the vibration damping coating.
  • the acryl-based polymer examples include a homopolymer of acrylate or methacrylate, a mixture of these homopolymers, a copolymer thereof, or a homopolymer of acrylate or methacrylate.
  • a mixture of Tylene with a homopolymer or acrylstyrene copolymerized with styrene A len copolymer may be used.
  • the acryl-based polymer used as a coating film component in the vibration damping paint of the present invention has an oxidation number of 1 or more, that is, by replacing the molecule of the acryl-based polymer with one or more carboxyl groups (one COOH). Medium force It has two or more ruboxyl groups (one COOH).
  • Figure 1 is a schematic diagram showing the dipole inside the damping coating.
  • Figure 2 is a schematic diagram showing the state of the dipole inside the damping coating when energy is applied.
  • FIG. 3 is a schematic diagram showing a state of a dipole inside a vibration damping coating film when an active ingredient is blended.
  • Fig. 4 is a graph showing the dynamic viscoelasticity (E ") measured for the damping coating films formed using the damping paints of Examples 1 to 3 and Comparative Examples 1 to 4.
  • DCHBSA as an active ingredient was added to an acrylyl polymer not substituted with a carboxyl group, by weight ratio, 90 10 (Comparative Example 2), 80/20 (Comparative Example 3), 70/30 (Comparative Example 4) , Respectively, and these were dispersed in water emulsion to obtain a damping paint.
  • Damping coatings were formed from the respective damping coatings of Examples 1 to 3 and Comparative Examples 1 to 4, and the dynamic viscoelasticity (E ") of each damping coating was measured. The results are shown in Fig. 4.
  • the dynamic viscoelasticity (E ") was measured using an electromagnetic excitation detector (MT-1, A202) manufactured by Denshi Sokki Co., Ltd.
  • the vibration damping coating film was formed by natural drying without forced drying after coating. From FIG. 4, all of the vibration damping coatings according to Examples 1 to 3 showed higher levels than the dynamic viscoelasticity (E ") of the vibration damping coatings according to Comparative Examples 1 to 4.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

L'invention porte sur un matériau pour revêtement amortissant les vibrations contenant un composant actif augmentant le niveau du moment dipolaire de la couche de revêtement. Ledit matériau, polymère acrylique substitué par un groupe carboxyle, peut servir à réaliser des revêtements amortissant les vibrations à forte capacité d'absorption de l'énergie vibratoire là où elle se produit, par exemple dans des automobiles, dans des aménagements intérieurs, dans la construction, et dans les appareils domestiques.
PCT/JP1999/006786 1999-12-02 1999-12-02 Materiau pour revetement amortissant les vibrations WO2001040391A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP1999/006786 WO2001040391A1 (fr) 1999-12-02 1999-12-02 Materiau pour revetement amortissant les vibrations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1999/006786 WO2001040391A1 (fr) 1999-12-02 1999-12-02 Materiau pour revetement amortissant les vibrations

Publications (1)

Publication Number Publication Date
WO2001040391A1 true WO2001040391A1 (fr) 2001-06-07

Family

ID=14237468

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1999/006786 WO2001040391A1 (fr) 1999-12-02 1999-12-02 Materiau pour revetement amortissant les vibrations

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WO (1) WO2001040391A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007110989A1 (fr) * 2006-03-27 2007-10-04 Cci Corporation revetement d'attenuation
JP2008184555A (ja) * 2007-01-30 2008-08-14 Cci Corp 減衰性塗料
JP2015143322A (ja) * 2013-12-27 2015-08-06 北川工業株式会社 制振性材料

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61136529A (ja) * 1984-12-07 1986-06-24 Mitsui Petrochem Ind Ltd 被覆用硬化型樹脂組成物
JPH0673309A (ja) * 1991-10-03 1994-03-15 Calp Corp 制振塗料
JPH10195339A (ja) * 1996-11-14 1998-07-28 Cci Corp 制振塗料
WO1999028394A1 (fr) * 1997-12-01 1999-06-10 Shishiai-Kabushikigaisha Peinture antivibrations
WO1999038922A1 (fr) * 1998-02-02 1999-08-05 Shishiai-Kabushikigaisha Materiau de revetement anti-vibrations

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61136529A (ja) * 1984-12-07 1986-06-24 Mitsui Petrochem Ind Ltd 被覆用硬化型樹脂組成物
JPH0673309A (ja) * 1991-10-03 1994-03-15 Calp Corp 制振塗料
JPH10195339A (ja) * 1996-11-14 1998-07-28 Cci Corp 制振塗料
WO1999028394A1 (fr) * 1997-12-01 1999-06-10 Shishiai-Kabushikigaisha Peinture antivibrations
WO1999038922A1 (fr) * 1998-02-02 1999-08-05 Shishiai-Kabushikigaisha Materiau de revetement anti-vibrations

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007110989A1 (fr) * 2006-03-27 2007-10-04 Cci Corporation revetement d'attenuation
JP2008184555A (ja) * 2007-01-30 2008-08-14 Cci Corp 減衰性塗料
JP2015143322A (ja) * 2013-12-27 2015-08-06 北川工業株式会社 制振性材料

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