CN103725206A - Two-component high-temperature-resisting adhesive for assembling loudspeaker and preparation method thereof - Google Patents
Two-component high-temperature-resisting adhesive for assembling loudspeaker and preparation method thereof Download PDFInfo
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- CN103725206A CN103725206A CN201410005039.2A CN201410005039A CN103725206A CN 103725206 A CN103725206 A CN 103725206A CN 201410005039 A CN201410005039 A CN 201410005039A CN 103725206 A CN103725206 A CN 103725206A
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Abstract
The invention discloses a two-component high-temperature-resisting adhesive for assembling a loudspeaker. The two-component high-temperature-resisting adhesive comprises a main agent and a curing agent, wherein the main agent comprises the following ingredients in parts by weight: 40 to 60 parts of monomer, 5 to 15 parts of reinforcing resin, 0.5 to 1.5 parts of plasticizer, 0.2 to 0.8 part of stabilizer, 3.2 to 3.8 parts of promoter, 5 to 15 parts of filler, 15 to 25 parts of toughening rubber and 2 to 8 parts of high-temperature-resisting additive; the curing agent comprises the following ingredients in parts by weight: 40 to 60 parts of monomer, 5 to 15 parts of reinforcing resin, 0.5 to 1.5 parts of stabilizer, 2 to 4 parts of initiator, 5 to 15 parts of filler, 5 to 15 parts of toughening rubber and 4 to 8 parts of high-temperature-resisting additive. The adhesive can be cured at normal temperature, and the high-temperature-resisting effect is good.
Description
Technical field
The present invention relates to a kind of sizing agent, specifically, relate to a kind of loud speaker assembling double-component fire resistant sizing agent and preparation method thereof.
Background technology
At speaker center position, voice coil loudspeaker voice coil/determine core is propped up to sheet/Yin Penzhe center three to bond together, it is the center of loud speaker impellent herein, guarantee that speaker vibration system moves vertically, must not there is skew loosening, require central glue set time short (adapting to assembly technology requires), energy high temperature resistant (voice coil loudspeaker voice coil is the pyrotoxin of loud speaker).At speaker center position, due to voice coil loudspeaker voice coil heating, temperature is higher herein, and particularly hundreds of watts to upper kilowatt supersound projector, and temperature is higher, so also higher to the requirement of tackiness agent.
For lower-powered loudspeaker unit, the intensity that it bears, energy region is lower, therefore the consistency of storeroom is mainly considered in the selection of central glue, and the curing speed of solid, streamline operration and cost, and in supersound projector unit, playing ripple, the peel resistant strength of central glue is located at 3, voice coil loudspeaker voice coil Yu Yinpen center, resistance to elevated temperatures is the key issue in design, requires to have anti-shearing stress and tensile stress under the high temperature of 250 ℃.
One-part solvent type central glue, cannot bear powerful vibration, thus be only applicable to small-bore, low power loudspeaker.The conventional serial solid of two-pack type acryl (polyacrylic acid Acrylic) solidifies post shrinkage than large, tolerance is positive and negative 5%, matter is hard and crisp, can cause after high frequency extend through, affect low-frequency effect, to KAPTON(polyimide skeleton voice coil loudspeaker voice coil) and other plastic cement products adhesion poor, when stroke movement, part speech coil framework is then partly having degumming phenomenon, particularly determine core with CONEX(plastics and prop up sheet) when bonding, because of it, CONEX(plastics are determined to core and prop up sheet) viscosity is poor, therefore easily come off, although glue reinforcement processing is played below playing ripple by some factory, can offset some intensity, but can not tackle the problem at its root, a kind of very large hidden danger.
When carrying out high-power loudspeaker and difficult sticky material bonding, the epoxy structural rubber of two-pack all can be selected by most of loudspeaker factory.Its after solidifying almost without shrinking, high temperature resistant 250 ℃ of special epoxy structural rubber energy, but winter, temperature was low, its viscosity increased is very serious, if do not heated, can not operate at all.In loud speaker assembling engineering in the urgent need to high temperature resistant 250 ℃, bonding way that again can handled easily.
Summary of the invention
In view of this, one of object of the invention is to provide a kind of loud speaker assembling and uses double-component fire resistant sizing agent, and two of object is to provide the preparation method of this sizing agent.
The invention solves the technical scheme that its technical problem adopts: double-component fire resistant sizing agent is used in a kind of loud speaker assembling, comprises host and solidifying agent, it is characterized in that, described host and solidifying agent are composed as follows by weight:
Host
Solidifying agent
Preferably, described monomer is one or more the mixture in methyl methacrylate, methacrylic acid, hydroxyethyl methylacrylate, glycidyl methacrylate, isobornyl methacrylate, Rocryl 410, β-dimethyl-aminoethylmethacrylate, butyl methacrylate, Propenoic acid, 2-methyl, isobutyl ester;
Described enhancing resin is one or more the mixing in epoxy resin, unsaturated polyester resin, Vinylite, phenol aldehyde modified epoxy resin, the acrylic resin of ABS, PMMA, MBS, bisphenol A epoxide resin, bisphenol F epoxy resin, polyurethane-modified epoxy resin, polyester modification;
Described weighting agent is one or more the mixture in calcium carbonate, silicon-dioxide, organobentonite, kaolin, aluminum oxide, aluminium hydroxide, wollastonite powder, talcum powder, activated magnesia, silicon powder, zinc sulfide white, ultra-fine barium sulfate;
Described toughening rubber is one or more the mixture in chloroprene rubber, paracril, styrene-butadiene rubber(SBR), chlorosulfonated polyethylene, acrylic elastomer, cis-1,4-polybutadiene rubber, isoprene-isobutylene rubber natural rubber;
Described softening agent is one or more the mixture in diphenyl carbonate, white oil, whiteruss, adipic acid dibutylester, propylene carbonate;
Described stablizer is one or more the mixture in antioxidant BHT, antioxidant 1010, Resorcinol, p-ten.-butylcatechol, hydroquinone monomethyl ether, para benzoquinone;
Described promotor is one or more the mixture in captax, accelerant N A-22, tetramethyl thiourea, diethyl thiourea, cobalt naphthenate, cobalt iso-octoate, Vanadium Pentoxide in FLAKES;
Described initiator is one or more the mixture in trolamine, benzoyl peroxide, tertbutyl peroxide, isopropyl benzene hydroperoxide, methylethyl ketone peroxide, cyclohexanone peroxide;
Described high temperature resistant auxiliary agent is silane coupling agent, polyimide, and span carrys out polyimide, the mixture of one or more in ceramic powder, silicone grease;
The proportioning of described host and solidifying agent is 1～2:1～2.
Preferably, described host and solidifying agent are composed as follows by weight:
Host
Solidifying agent
The proportioning of described host and solidifying agent is 1:1.
A kind of double-component fire resistant sizing agent preparation method for loud speaker assembling, comprises the steps:
(1) preparation of host: after described monomer, enhancing resin, toughening rubber, softening agent, promotor, weighting agent are mixed in proportion, drop in reactor and stir 10～15 hours at 60～70 ℃, make it to become uniform liquid, when returning to room temperature, temperature adds in proportion stablizer and high temperature resistant auxiliary agent, stir 1～2 hour, obtain host;
(2) preparation of solidifying agent: after described monomer, enhancing resin, toughening rubber, weighting agent are mixed in proportion, drop in reactor and stir 10～15 hours at 60～70 ℃, make it to become uniform liquid, when returning to room temperature, temperature adds in proportion stablizer, initiator and high temperature resistant auxiliary agent, stir 1～2 hour, obtain solidifying agent;
(3) preparation of sizing agent: host, solidifying agent are mixed in proportion.
The invention provides sizing agent and at low temperature season, need not take to heat and just can carry out bonding process, method is easy, and easily operation, simplifies production technique.This sizing agent ambient cure, high-temperature resistant result is good, particularly bonding to supersound projector, can for a long time resistance to 250 ℃ of high temperature, moment can resistance to 300 ℃ of high temperature, just in time solve the high thermal resistance at existing speaker center position, replaced epoxy structural rubber viscosity in winter large, the difficult problems such as the shortcoming of being inconvenient to operate.
Embodiment
Double-component fire resistant sizing agent preparation method for loud speaker assembling provided by the invention, comprises the steps:
(1) preparation of host: after described monomer, enhancing resin, toughening rubber, softening agent, promotor, weighting agent are mixed in proportion, drop in reactor and stir 10～15 hours at 60～70 ℃, make it to become uniform liquid, when returning to room temperature, temperature adds in proportion stablizer and high temperature resistant auxiliary agent, stir 1～2 hour, obtain host;
(2) preparation of solidifying agent: after described monomer, enhancing resin, toughening rubber, weighting agent are mixed in proportion, drop in reactor and stir 10～15 hours at 60～70 ℃, make it to become uniform liquid, when returning to room temperature, temperature adds in proportion stablizer, initiator and high temperature resistant auxiliary agent, stir 1～2 hour, obtain solidifying agent;
(3) preparation of sizing agent: host, solidifying agent are mixed in proportion.
embodiment 1
The proportioning of host and solidifying agent is 1:1.
embodiment 2
The proportioning of host and solidifying agent is 1.2:1.
embodiment 3
The proportioning of host and solidifying agent is 2:1.
embodiment 4
The proportioning of host and solidifying agent is 1:1.
In embodiment 2～4, described monomer is one or more the mixture in methyl methacrylate, methacrylic acid, hydroxyethyl methylacrylate, glycidyl methacrylate, isobornyl methacrylate, Rocryl 410, β-dimethyl-aminoethylmethacrylate, butyl methacrylate, Propenoic acid, 2-methyl, isobutyl ester;
Described enhancing resin is one or more the mixing in epoxy resin, unsaturated polyester resin, Vinylite, phenol aldehyde modified epoxy resin, the acrylic resin of ABS, PMMA, MBS, bisphenol A epoxide resin, bisphenol F epoxy resin, polyurethane-modified epoxy resin, polyester modification;
Described weighting agent is one or more the mixture in calcium carbonate, silicon-dioxide, organobentonite, kaolin, aluminum oxide, aluminium hydroxide, wollastonite powder, talcum powder, activated magnesia, silicon powder, zinc sulfide white, ultra-fine barium sulfate;
Described toughening rubber is one or more the mixture in chloroprene rubber, paracril, styrene-butadiene rubber(SBR), chlorosulfonated polyethylene, acrylic elastomer, cis-1,4-polybutadiene rubber, isoprene-isobutylene rubber natural rubber;
Described softening agent is one or more the mixture in diphenyl carbonate, white oil, whiteruss, adipic acid dibutylester, propylene carbonate;
Described stablizer is one or more the mixture in antioxidant BHT, antioxidant 1010, Resorcinol, p-ten.-butylcatechol, hydroquinone monomethyl ether, para benzoquinone;
Described promotor is one or more the mixture in captax, accelerant N A-22, tetramethyl thiourea, diethyl thiourea, cobalt naphthenate, cobalt iso-octoate, Vanadium Pentoxide in FLAKES;
Described initiator is one or more the mixture in trolamine, benzoyl peroxide, tertbutyl peroxide, isopropyl benzene hydroperoxide, methylethyl ketone peroxide, cyclohexanone peroxide;
Described high temperature resistant auxiliary agent is silane coupling agent, polyimide, and span carrys out polyimide, the mixture of one or more in ceramic powder, silicone grease.
The working temperature of above-described embodiment product and critical working temperature are as following table:
| ? | Working temperature | Critical working temperature |
| Embodiment 1 | 263℃ | 310℃ |
| Embodiment 2 | 255℃ | 307℃ |
| Embodiment 3 | 251℃ | 203℃ |
| Embodiment 4 | 260℃ | 309℃ |
From upper table, show, double-component fire resistant sizing agent provided by the invention can for a long time resistance to 250 ℃ of high temperature, can performance under 250 ℃ of high temperature normal, and its moment can resistance to 300 ℃ of above high temperature, have guaranteed the stability of the bonding work of supersound projector.
Take the above-mentioned desirable embodiment according to the invention as enlightenment, by above-mentioned description, relevant staff can, not departing from the scope of this invention creation technological thought, carry out various change and modification completely.The technical scope that this invention is created is not limited to the content on specification sheets, must determine its technical scope according to claim scope.
Claims (4)
1. a double-component fire resistant sizing agent is used in loud speaker assembling, comprises host and solidifying agent, it is characterized in that, described host and solidifying agent are composed as follows by weight:
Host
Solidifying agent
2. double-component fire resistant sizing agent is used in loud speaker assembling according to claim 1, it is characterized in that,
Described monomer is one or more the mixture in methyl methacrylate, methacrylic acid, hydroxyethyl methylacrylate, glycidyl methacrylate, isobornyl methacrylate, Rocryl 410, β-dimethyl-aminoethylmethacrylate, butyl methacrylate, Propenoic acid, 2-methyl, isobutyl ester;
Described enhancing resin is one or more the mixing in epoxy resin, unsaturated polyester resin, Vinylite, phenol aldehyde modified epoxy resin, the acrylic resin of ABS, PMMA, MBS, bisphenol A epoxide resin, bisphenol F epoxy resin, polyurethane-modified epoxy resin, polyester modification;
Described weighting agent is one or more the mixture in calcium carbonate, silicon-dioxide, organobentonite, kaolin, aluminum oxide, aluminium hydroxide, wollastonite powder, talcum powder, activated magnesia, silicon powder, zinc sulfide white, ultra-fine barium sulfate;
Described toughening rubber is one or more the mixture in chloroprene rubber, paracril, styrene-butadiene rubber(SBR), chlorosulfonated polyethylene, acrylic elastomer, cis-1,4-polybutadiene rubber, isoprene-isobutylene rubber natural rubber;
Described softening agent is one or more the mixture in diphenyl carbonate, white oil, whiteruss, adipic acid dibutylester, propylene carbonate;
Described stablizer is one or more the mixture in antioxidant BHT, antioxidant 1010, Resorcinol, p-ten.-butylcatechol, hydroquinone monomethyl ether, para benzoquinone;
Described promotor is one or more the mixture in captax, accelerant N A-22, tetramethyl thiourea, diethyl thiourea, cobalt naphthenate, cobalt iso-octoate, Vanadium Pentoxide in FLAKES;
Described initiator is one or more the mixture in trolamine, benzoyl peroxide, tertbutyl peroxide, isopropyl benzene hydroperoxide, methylethyl ketone peroxide, cyclohexanone peroxide;
Described high temperature resistant auxiliary agent is silane coupling agent, polyimide, and span carrys out polyimide, the mixture of one or more in ceramic powder, silicone grease;
The proportioning of described host and solidifying agent is 1～2:1～2.
3. double-component fire resistant sizing agent is used in loud speaker assembling according to claim 2, it is characterized in that, described host and solidifying agent are composed as follows by weight:
Host
Solidifying agent
The proportioning of described host and solidifying agent is 1:1.
4. the double-component fire resistant sizing agent preparation method for loud speaker assembling as described in as described in claim 1～3, is characterized in that, comprises the steps:
(1) preparation of host: after described monomer, enhancing resin, toughening rubber, softening agent, promotor, weighting agent are mixed in proportion, drop in reactor and stir 10～15 hours at 60～70 ℃, make it to become uniform liquid, when returning to room temperature, temperature adds in proportion stablizer and high temperature resistant auxiliary agent, stir 1～2 hour, obtain host;
(2) preparation of solidifying agent: after described monomer, enhancing resin, toughening rubber, weighting agent are mixed in proportion, drop in reactor and stir 10～15 hours at 60～70 ℃, make it to become uniform liquid, when returning to room temperature, temperature adds in proportion stablizer, initiator and high temperature resistant auxiliary agent, stir 1～2 hour, obtain solidifying agent;
(3) preparation of sizing agent: host, solidifying agent are mixed in proportion.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410005039.2A CN103725206B (en) | 2014-01-06 | 2014-01-06 | Two-component high-temperature-resisting adhesive for assembling loudspeaker and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410005039.2A CN103725206B (en) | 2014-01-06 | 2014-01-06 | Two-component high-temperature-resisting adhesive for assembling loudspeaker and preparation method thereof |
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| CN103725206B CN103725206B (en) | 2015-06-24 |
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