CN103436204B - Nano-modified water-based weather-resistant sound isolation adhesive and preparation method thereof - Google Patents
Nano-modified water-based weather-resistant sound isolation adhesive and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a nano-modified water-based weather-resistant sound isolation adhesive. The nano-modified water-based weather-resistant sound isolation adhesive consists of an acrylate polymer emulsion, an organic silicone modified acrylate copolymer emulsion, a tackifier emulsion, a filler, water, a dispersing agent, a wetting agent, nano-powder aqueous dispersion, a sterilizing agent, a PH value regulating agent, a de-foaming agent and a thickening agent. A preparation method of the nano-modified water-based weather-resistant sound isolation adhesive comprises the steps of emulsion polymerization, emulsion blending, filler slurry preparation, mixture nano-modification and finished product synthesis. The nano-modified water-based weather-resistant sound isolation adhesive has the advantages of wide temperature range, wide frequency, high damping platform, high peeling strength, energy conservation, environment friendliness and light weight; the cost is saved, the construction difficulty is lowered, and the effective space utilization rate is greatly improved. Due to modification of a nano material, the nano-modified water-based weather-resistant sound isolation adhesive is wide in temperature range, good in moisture protection, resistant to heat, light, salt spray and the like, good in ageing resistance, wide in using environment range, high in sound isolation efficiency and high in using value. The sound isolation adhesive is aqueous, has environment-friendly and pollution-free effects, and belongs to novel energy-saving and environment-friendly high molecular materials.
Description
Technical field
The invention belongs to acoustic mastic field, particularly the water base weathering resistance acoustic mastic of one and manufacture method thereof.
Background technology
Noise pollution has become one of pollutes greatly with topsoil and the water pollutions world three arranged side by side.Particularly some building fields, field of traffic, field of industrial production, the noise pollution such as entertainment place are particularly serious, and sound insulation problem has a strong impact on the health of people, study, work and life, is subject to the most attention of people.Sound insulation and noise reduction will solve two class problems often, and one is prevent noise source interference outside atmosphere; Two is prevent external noise from disturbing internal space.Traditional sound insulation and noise reduction mode is divided into three kinds from governing measure: the obstruct of noise source process, noise transmission paths and composite governance, and wherein composite governance takes into account sound source and propagates two kinds of means.The means of generally administering comprise updates the equipment, equipment vibration reducing measure, use sound insulation/sound absorbent material to completely cut off the propagation of noise, and wherein vibration damping and construction acoustic construction is adopted in a large number.
On use sound-proof material, what comparatively fall behind is use heavier thicker material to form thick and heavy entity to carry out sound insulation; Good passive vibration damping mode then uses constrained damping structure and class formation compound other materials and the sound-insulation member that forms thus mostly.Core material-the constrained layer material wherein forming constrained damping structure uses solid-state soft elastic rubber material, sound-proof felt or visco-elasticity macromolecular material mostly.
Noise pollution is a troubling difficult problem always, disturbs residents greatly to high-decibel noise, little of the guarantee of personal air privacy.When noise source is insurmountable, need to make an issue of in solution noise transmission paths.Traditional way is that the method that sound insulation and sound-absorbing combine is administered, and outside sound insulation process uses the material that area density or thickness are very large, and internal layer uses the material such as rock wool, glass wool of concrete dynamic modulus type.But in theory, the area density of material or thickness double on a same frequency, and oise insulation factor only increases 6dB, and in practical engineering application, this increment is lower.Reach service requirements, traditional means often needs very thick or very heavy material of construction and complicated structure to come in order to be effective.So, add the load-bearing burden of buildings, material occupies a large amount of spaces, has not both met damping requirement, does not also meet the aim of energy-saving and environmental protection, lightweight.Good mode adopts the building composite board of constrained damping structure as sound-proof material, as core damping layer some use rubber-like soft elastic material or sound-proof felt as interlayer, also some uses viscoelastic polymer as damping layer.Soft elastic material, the sound-proof felts etc. such as rubber repeatedly bond structural sheet except needs, outside the slightly aobvious complexity of technique, and the damping value tan δ < 0.3 that such material provides, soundproof effect is limited and decline along with the aging of material; Remarkably productive as damping layer of visco-elasticity high molecular polymer, but because of the reason of technology and technique, on market this series products a lot of sound insulation, when humidity, temperature, the factors vary such as aging, actual performance is very different.
Summary of the invention
Object of the present invention is exactly to overcome the above problems, and provides a kind of water base weathering resistance acoustic mastic and manufacture method thereof of nano modification, possesses wide temperature range, broadband, high damping platform, high-peeling strength; Using method is simple and convenient, has the bonding and sound insulation function that widely use purposes; Such acoustic mastic is particularly suitable for building board structure composite, under same soundproof effect, reduces the usage quantity of sheet material, and guarantees the long-term efficient sound-proofing properties of structure.
In order to reach object of the present invention, technical solution of the present invention is as follows: a kind of water base weathering resistance acoustic mastic of nano modification, be characterized in: it is by acrylate polymer emulsion 55 ~ 85 parts according to the mass fraction, organosilicon modified acrylic ester copolymer emulsion 5 ~ 20 parts, tackifier emulsion (calculating by solid content) 2.5 ~ 10 parts, filler 2.3 ~ 20 parts, 0 ~ 15 part, water, dispersion agent 0 ~ 0.1 part, wetting agent 0 ~ 0.1 part, nanopowder aqueous dispersions (calculating by solid content) 0.2 ~ 0.8 part, 0.05 ~ 0.45 part, sterilant, pH value regulator 0 ~ 1.5 part, defoamer 0.2 ~ 0.8 part, thickening material 0.3 ~ 2 part composition.
A manufacture method for the water base weathering resistance acoustic mastic of nano modification, is characterized in: prepared as follows: letex polymerization → emulsion blending → filler slurry preparation → mixture nano modification → finished product synthesis.
1) by acrylate polymer emulsion and organosilicon modified acrylic ester copolymer emulsion by regulation number mix and blend, stir when starting and add whole tackifier emulsion, 50% dispersion agent, 50% wetting agent, whole sterilant, the defoamer of 50%.Blended under agitation 20 ~ 40 minutes, obtained blending emulsion C;
2) whole water is dropped in empty stirred vessel, remaining dispersion agent, wetting agent, defoamer is added when stirring start with 100 ~ 300r/min rotating speed, stir about starts after 10 minutes to be at the uniform velocity sieved into formula ratio filler, high speed dispersion 40 ~ 60 minutes, obtained slurry D.To retrofit filler, grinding technics can be increased;
3) blending emulsion C, slurry D and nanopowder dispersion liquid are mixed, stir 30 ~ 40 minutes with the rotating speed of 500 ~ 600r/min, after adding pH value regulator, slowly add thickening material, continue stirring 20 ~ 30 minutes obtained acoustic mastic finished products of the present invention.
The invention provides a kind of water base weathering resistance acoustic mastic and manufacture method thereof of nano modification, compared with prior art, possesses wide temperature range, broadband, high damping platform, high-peeling strength, heat-resisting, wet, light, salt fog Performance Ratio improves more than 80% without the similar tackiness agent of organosilicon and nano modification, can be widely used between two pieces or polylith common building sheet material, substantially increase soundproof effect, the weathering durability of bonding force and product, reduce the use of traditional sound-proof material, cost-saving and difficulty of construction, greatly improve the availability in space simultaneously, meet the advantage of energy-conserving and environment-protective and lightweight, there is very wide application prospect and comparatively high damping platform, because of the modification of nano material, wider temperature range, good protection against the tide, heat-resisting, light, the ageing-resistant performance that salt fog etc. are superior, the environment for use be suitable for is wider, soundproof efficiency is higher, there is higher use value.The acoustic mastic that the present invention relates to is water-based, environmentally friendly, environment friendly and pollution-free, belongs to the novel high polymer material of energy-conserving and environment-protective.Through national building materials test center, authority detects, and the objectionable impurities of this acoustic mastic, VOC index are all well below the limit value of national standard, and flue gas toxity index reaches optimization criteria---safe one-level, i.e. AQ1 level.
Accompanying drawing explanation
Fig. 1 is preparation technology's schematic diagram of the present invention.
Embodiment
As seen from Figure 1, the water base weathering resistance acoustic mastic of a kind of nano modification of the present invention, is made up of acrylate polymer emulsion 55 ~ 85 parts, organosilicon modified acrylic ester copolymer emulsion 5 ~ 20 parts, tackifier emulsion (calculating by solid content) 2.5 ~ 10 parts, filler 2.3 ~ 20 parts, 0 ~ 15 part, water, dispersion agent 0 ~ 0.1 part, wetting agent 0 ~ 0.1 part, nanopowder aqueous dispersions (calculating by solid content) 0.2 ~ 0.8 part, 0.05 ~ 0.45 part, sterilant, pH value regulator 0 ~ 1.5 part, defoamer 0.2 ~ 0.8 part, thickening material 0.3 ~ 2 part by mass fraction.
The present invention is the blending emulsion using the emulsion of at least one LIPN intercrossed network type nucleocapsid structure and the organic-silicon-modified copolymer emulsion of at least one to promote through over-all properties complementations such as the blended synthetic damping of machinery forced, temperature range, bonding mechanical property, environment weather resistances, by auxiliary agent, filler, nano material, blending emulsion is processed and modification again, obtained physicochemical property, in stable condition, performance index improve lifting further, the acoustic mastic finished product that workability is desirable.
The water base weathering resistance acoustic mastic of nano modification involved in the present invention, its system component is as follows:
The formula ratio of above-mentioned system component is according to the mass fraction, described massfraction refer in particular to that each composition under equal measure unit condition calculates by weight with reference to amount.
Described acrylate polymer emulsion is a kind of LIPN intercrossed network type polymer emulsion of core shell structure, and the preparation of this core-shell emulsion described is synthesized two steps by the preparation of core emulsion and interpenetrating(polymer)networks and formed.
Concrete grammar is as follows:
One, core emulsion preparation:
Material prepares: deionized water 80 ~ 100 parts, hard monomer 100 parts, emulsifying agent 1 ~ 2.5 part, linking agent 0.5 ~ 2 part, buffer reagent 0.5 ~ 1 part, initiator 0.2 ~ 0.8 part.
Described hard monomer is that methyl methacrylate, vinylbenzene are with the mixture of 1:1 ~ 2:1; Emulsifying agent is the mixture of nonionic emulsifying agent and anionic emulsifier or the mixture of response type anionic emulsifier and anionic emulsifier; Linking agent is one among divinylbenzene, N hydroxymethyl acrylamide, Hydroxyethyl acrylate, diacetone-acryloamide(DAA), adipic dihydrazide or its mixture; Buffer reagent is sodium bicarbonate; Initiator is ammonium persulphate or Potassium Persulphate.
1, by the deionized water of 50%, whole hard monomers, whole emulsifying agents, whole linking agents, 50% buffer reagent mixing, high speed dispersion 30-60 minute at normal temperatures, obtains pre-emulsion A after being uniformly dispersed.Whole initiators is fully dissolved in obtained initiator solution in the deionized water of 10% stand-by.
2, to with whipping appts, dropper, the reactor of condensation reflux unit and temperature survey or control device adds remaining deionized water and remaining buffer reagent, heat to 50 ~ 60 DEG C, when stirring at low speed, the initiator solution of the pre-emulsion A and 25% ~ 30% of 20% ~ 25% is thrown in reactor, be warmed up to 70 ~ 76 DEG C, after a large amount of blueing light of system, the mixed solution of remaining pre-emulsion and residue initiator solution is at the uniform velocity dripped off in 1.5 ~ 2 hours, be warmed up to 78 DEG C ~ 80 DEG C insulations, slaking about 1 ~ 2 hour, be cooled to about 40 DEG C filtrations and obtain core emulsion N.
Two, the synthesis of interpenetrating net polymer:
Material prepare: with core emulsion components mass fraction accordingly, deionized water 300 ~ 800 parts, soft monomer 300 ~ 800 parts, emulsifying agent 3 ~ 20 parts, catalyzer 6 ~ 24 parts, linking agent 1.5 ~ 16 parts, buffer reagent 1.5 ~ 8 parts, initiator 0.6 ~ 6.4 part.
Described soft monomer is two or more mixture of ethyl propenoate, butyl acrylate, Isooctyl acrylate monomer, Propylene glycol monoacrylate, lauryl methacrylate(LMA); Emulsifying agent is the mixture of nonionic emulsifying agent and anionic emulsifier or the mixture of response type anionic emulsifier and anionic emulsifier; Catalyzer is one or both mixing in vinylformic acid, methacrylic acid; Linking agent is one among divinylbenzene, N hydroxymethyl acrylamide, Hydroxyethyl acrylate, diacetone-acryloamide(DAA), adipic dihydrazide or its mixture; Buffer reagent is sodium bicarbonate; Initiator is ammonium persulphate or Potassium Persulphate.
1, by the deionized water of 50%, whole soft monomers, whole emulsifying agents, whole catalyzer, whole linking agents, 50% buffer reagent mixing, high speed dispersion 30-60 minute at normal temperatures, obtains pre-emulsion B after being uniformly dispersed.Whole initiators is fully dissolved in obtained initiator solution in the deionized water of 10% stand-by.
2, in reactor, remaining deionized water and remaining buffer reagent is added, heat to 50 ~ 60 DEG C, in still, add 20% ~ 25% when stirring at low speed pre-emulsion B and whole core emulsion N are warmed up to 70 ~ 75 DEG C, add the initiator solution of 25% ~ 30%, continue to be warmed up to 76 ~ 78 degrees Celsius.Start the mixture at the uniform velocity dripping residue pre-emulsion B and residue initiator solution after about 10 ~ 30 minutes, drip off in 1.5 ~ 2 hours; Be warmed up to about 80 DEG C insulations about 1 hour after all monomer droppings complete, then be warmed up to about 85 DEG C slakings about 1 hour, obtained nucleocapsid structure LIPN intercrossed network type acrylate polymer emulsion after filtration, elimination residual monomer.
The formula ratio of above-mentioned system component is according to the mass fraction, described mass fraction refer in particular to that each composition under equal measure unit condition calculates by weight with reference to amount.
Described organosilicon modified acrylic ester copolymer emulsion obtains with reference to the preparation method in Chinese patent ZL200810236662.3.
Described tackifier emulsion is rosin or the hydrogenated rosin resin emulsion through technique stably dispersing.
Described filler is flaky mica powder.
Described dispersion agent is a kind of in poly carboxylic acid ammonium salt, polycarboxylate sodium or mixture.
Described wetting agent is alkyl-sulphate or sulfonate.
Described nanopowder dispersion liquid is the stable dispersions that nanosized SiO_2 and water make 5% ~ 15% content.
Described sterilant is broad-spectrum sterilization class isothiazoline-3-ketone, 4,5-bis-chloro-N-octyl group-4-isothiazoline-3-ketone, Kathon one or its mixture.
Described pH value regulator is 2-amino-2-methyl-1-propanol.
Described defoamer is the defoamers that organosilicon, mineral oils etc. are suitable for acrylic ester aquosity system.
Described thickening material is: among Natvosol, polyacrylate polymers class, association type polyurethanes one or more.
The manufacture method of the water base weathering resistance acoustic mastic of nano modification of the present invention has been prepared as follows: letex polymerization → emulsion blending → filler slurry preparation → mixture nano modification → finished product synthesis.
1) by acrylate polymer emulsion and organosilicon modified acrylic ester copolymer emulsion by regulation number mix and blend, stir when starting and add whole tackifier emulsion, 50% dispersion agent, 50% wetting agent, whole sterilant, the defoamer of 50%.Blended under agitation 20 ~ 40 minutes, obtained blending emulsion C.
2) whole water is dropped in empty stirred vessel, remaining dispersion agent, wetting agent, defoamer is added when stirring start with 100 ~ 300r/min rotating speed, stir about starts after 10 minutes to be at the uniform velocity sieved into formula ratio filler, high speed dispersion 40 ~ 60 minutes, obtained slurry D.To retrofit filler, grinding technics can be increased.
3) blending emulsion C, slurry D and nanopowder dispersion liquid are mixed, stir 30 ~ 40 minutes with the rotating speed of 500 ~ 600r/min, after adding pH value regulator, slowly add thickening material, continue stirring 20 ~ 30 minutes obtained acoustic mastic finished products of the present invention.
The water base weathering resistance acoustic mastic of nano modification of the present invention is waterborne polymeric synthesis, safety and environmental protection.After tested, possess the damping platform of within the scope of 115 DEG C of temperature ranges more than 0.9, stripping strength σ T is greater than 3.5KN/m to this acoustic mastic sample.It is heat-resisting, wet, light, salt fog Performance Ratio improve more than 80% without the similar tackiness agent of organosilicon and nano modification, through the modification of nano material, this acoustic mastic possesses outstanding Weatherproof ageing-resistant performance, not only be applicable to nature warm area environment for use, under the environment for use of higher and lesser temps, still keep outstanding sound insulation and bond properties.
Embodiment 1:
Prepare burden according to the following formulation:
The formula ratio of above-mentioned system component is according to the mass fraction, described mass fraction refer in particular to that each composition under equal measure unit condition calculates by weight with reference to amount, lower with.
Preparation technology is as follows:
1) by acrylate polymer emulsion and organosilicon modified acrylic ester copolymer emulsion by regulation number mix and blend, stir when starting and add whole tackifier emulsion, 50% dispersion agent, 50% wetting agent, whole sterilant, the defoamer of 50%.Blended under agitation 20 ~ 40 minutes, obtained blending emulsion C.
2) whole water is dropped in empty stirred vessel, remaining dispersion agent, wetting agent, defoamer is added when stirring start with 100 ~ 300r/min rotating speed, stir about starts after 10 minutes to be at the uniform velocity sieved into formula ratio filler, high speed dispersion 40 ~ 60 minutes, obtained slurry D.To retrofit filler, grinding technics can be increased.
3) blending emulsion C, slurry D and nanopowder dispersion liquid are mixed, stir 30 ~ 40 minutes with the rotating speed of 500 ~ 600r/min, after adding pH value regulator, slowly add thickening material, continue stirring 20 ~ 30 minutes obtained acoustic mastic finished products of the present invention.
According to GB/T 18258-2000 standard testing, record water base weathering resistance acoustic mastic-20 DEG C ~ 95 DEG C damping platform that temperature range internal damping value is greater than 0.9 of the present embodiment gained nano modification.
According to GB/T 2791-1995 standard testing, record the water base weathering resistance acoustic mastic stripping strength arithmetic average σ T=5.6KN/m of the present embodiment gained nano modification.
Embodiment 2:
Prepare burden according to the following formulation:
Preparation technology is identical with embodiment 1.
According to GB/T 18258-2000 standard testing, record water base weathering resistance acoustic mastic-5 DEG C ~ 115 DEG C damping platform that temperature range internal damping value is greater than 0.9 of the present embodiment gained nano modification.
According to GB/T 2791-1995 standard testing, record the water base weathering resistance acoustic mastic stripping strength arithmetic average σ T=4.7KN/m of the present embodiment gained nano modification.
Embodiment 3:
Prepare burden according to the following formulation:
Preparation technology is identical with embodiment 1.
According to GB/T 18258-2000 standard testing, the damping platform that water base weathering resistance acoustic mastic 5 DEG C ~ 135 DEG C temperature range internal damping values recording the present embodiment gained nano modification are greater than 0.9.
According to GB/T 2791-1995 standard testing, record the water base weathering resistance acoustic mastic stripping strength arithmetic average σ T=3.6KN/m of the present embodiment gained nano modification.
The feature of the acrylate polymer emulsion in described system component and organic-silicon-modified acrylate copolymer emulsion is, have at least a kind of emulsion to be the acrylic emulsion of LIPN intercrossed network type nucleocapsid structure, have at least simultaneously and be a kind ofly through organic-silicon-modified acrylic polymer emulsion.Wherein, preferably, acrylate polymer emulsion, according to provided preparation technology, regulates monomer ratio to make second-order transition temperature be designed to-60 DEG C ~-20 DEG C intervals; Monomer ratio is regulated to make second-order transition temperature be designed to-50 DEG C ~-5 DEG C time prepared by organic-silicon-modified acrylate copolymer emulsion, because two kinds of emulsions need blended processing, the comprehensive second-order transition temperature measured value scope of its blend preferably-55 DEG C ~-10 DEG C.
Described nucleocapsid structure is soft shell stone type.
During the composite use of the emulsifying agent in described letex polymerization stage, prioritizing selection is cloudy, non-ionic type ratio is 1:2, or response type negatively charged ion: anionic=3:1.
Described filler is 325 order ~ 2000 order flaky mica powder preferably.
Described nano-powder aqueous dispersions is as the nano modification means of finished product synthesis phase, and preferably, the mass parts of its nano material accounts for 0.3% ~ 0.8% of total finished product sizing agent total amount
The technique in described mechanical blending stage, the dispersed with stirring equipment integrating that preferably with negative pressure vacuumizes.
Described acoustic mastic, when playing sound insulation function, is generally used between two boards material, plays the effect of damping layer, and sheet material is common sheet material conventional in insulation works, as plasterboard, cement fibrolite plate, metal sheet, calcium silicate board with microporous, sheet glass, ceramic plate etc. have the building board of certain area density.
In sum, the water base weathering resistance acoustic mastic of a kind of nano modification of the present invention, raw material is all market and commonly uses product, preparation method is also without difficulty, water-based system ensures the environment friendly and pollution-free of product, and product reaches the damping platform of 0.9 of 115 DEG C of temperature ranges simultaneously, and T stripping strength is greater than 3.5KN/m, be applicable to environment more widely, play efficient soundproof effect.
1, in letex polymerization stage same step, the release sequence of monomer and auxiliary agent, method and deal are when being all considered as not paying creative change and restricted and protection without prejudice to the synthesis realizing polymkeric substance when Chemical Manufacture general knowledge.
2, the second-order transition temperature scope of design of described two kinds of emulsion polymers be for two kinds of emulsion blendings after comprehensive second-order transition temperature measured value dominant area m-55 DEG C ~-10 DEG C and setting approximate range, as long as the interval measured value of the comprehensive second-order transition temperature after blended, at-55 DEG C ~-10 DEG C, is broken through two kinds of emulsion polymers Tg scope of design separately and also can be realized.
3, the nano-material modified of blended stage take nanosized SiO_2 as representative, uses other nano materials also can realize similar performance.
The flow processs such as the step related in the preparation method of 4, the water base weathering resistance acoustic mastic of described nano modification and order of addition(of ingredients) are one and typically synthesize complete processing, this do not limit to use other technical process also can synthesize acoustic mastic described in this patent according to formula may.
5, add the appearance color that solid pigment or liquid pigment change described acoustic mastic and also can realize performance described in this patent and object.
6, add the comprehensive freezing point that a certain amount of low melting point (or claiming low freezing point) auxiliary agent can reduce described acoustic mastic, improve the low temperature resistant storage power of product.Similarly, this type of does not change the attribute of " acoustic mastic " and main application by increasing attribute auxiliary agent or material and increasing the additional properties of thing of the present invention, should be limited and protected by this patent.
Claims (9)
1. a water base weathering resistance acoustic mastic for nano modification, is characterized in that: it is made up of by solid content calculating 0.2 ~ 0.8 part, 0.05 ~ 0.45 part, sterilant, pH value regulator 0 ~ 1.5 part, defoamer 0.2 ~ 0.8 part, thickening material 0.3 ~ 2 part by solid content calculating 2.5 ~ 10 parts, filler 2.3 ~ 20 parts, 0 ~ 15 part, water, dispersion agent 0 ~ 0.1 part, wetting agent 0 ~ 0.1 part, nanopowder aqueous dispersions acrylate polymer emulsion 55 ~ 85 parts, organosilicon modified acrylic ester copolymer emulsion 5 ~ 20 parts, tackifier emulsion according to the mass fraction; Described acrylate polymer emulsion is a kind of LIPN intercrossed network type polymer emulsion of core shell structure.
2. the water base weathering resistance acoustic mastic of a kind of nano modification according to claim 1, is characterized in that: described acrylate polymer emulsion, according to provided preparation technology, regulates monomer ratio to make second-order transition temperature be designed to-60 DEG C ~-20 DEG C intervals.
3. the water base weathering resistance acoustic mastic of a kind of nano modification according to claim 1, is characterized in that: regulate monomer ratio to make second-order transition temperature be designed to-50 DEG C ~-5 DEG C time prepared by described organosilicon modified acrylic ester copolymer emulsion.
4. the water base weathering resistance acoustic mastic of a kind of nano modification according to claim 1, is characterized in that: the comprehensive second-order transition temperature measured value scope of blend preferably-55 DEG C ~-10 DEG C.
5. the water base weathering resistance acoustic mastic of a kind of nano modification according to claim 1, is characterized in that: described nucleocapsid structure is soft shell stone type.
6. the water base weathering resistance acoustic mastic of a kind of nano modification according to claim 1, is characterized in that: the mass parts of the nano material of described nano-powder aqueous dispersions accounts for 0.3% ~ 0.8% of total finished product sizing agent total amount.
7. a manufacture method for the water base weathering resistance acoustic mastic of nano modification as claimed in claim 1, is characterized in that: prepared as follows: letex polymerization → emulsion blending → filler slurry preparation → mixture nano modification → finished product synthesis;
1) by acrylate polymer emulsion and organosilicon modified acrylic ester copolymer emulsion by regulation number mix and blend, stir when starting and add whole tackifier emulsion, 50% dispersion agent, 50% wetting agent, whole sterilant, the defoamer of 50%, blended under agitation 20 ~ 40 minutes, obtained blending emulsion C;
2) whole water is dropped in empty stirred vessel, remaining dispersion agent, wetting agent, defoamer is added when stirring start with 100 ~ 300r/min rotating speed, stir about starts after 10 minutes to be at the uniform velocity sieved into formula ratio filler, high speed dispersion 40 ~ 60 minutes, obtained slurry D; To retrofit filler, grinding technics can be increased;
3) blending emulsion C, slurry D and nanopowder dispersion liquid are mixed, stir 30 ~ 40 minutes with the rotating speed of 500 ~ 600r/min, after adding pH value regulator, slowly add thickening material, continue stirring 20 ~ 30 minutes obtained acoustic mastic finished products of the present invention.
8. the manufacture method of the water base weathering resistance acoustic mastic of a kind of nano modification according to claim 7, is characterized in that: described filler is 325 order ~ 2000 order flaky mica powder preferably.
9. the manufacture method of the water base weathering resistance acoustic mastic of a kind of nano modification according to claim 7, is characterized in that: the dispersed with stirring equipment integrating that described whipping device selects band negative pressure to vacuumize.
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| CN110540819A (en) * | 2019-08-09 | 2019-12-06 | 王秀云 | Preparation method of high-temperature-resistant and high-strength acrylate pressure-sensitive adhesive |
| CN115011274B (en) * | 2022-06-24 | 2023-07-18 | 浙江权威胶粘制品有限公司 | Modified acrylic ester high-temperature-resistant adhesive tape and preparation method thereof |
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| CN1400270A (en) * | 2002-07-22 | 2003-03-05 | 浙江大学 | Interpenetrating polymer networks wide temperature band damping adhesive and its preparation method |
| CN102492378A (en) * | 2011-11-25 | 2012-06-13 | 上海夸耶特新材料科技有限公司 | Water-based viscous-elastic damping sound-insulation adhesive |
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| CN1863828A (en) * | 2003-10-08 | 2006-11-15 | 艾利丹尼森公司 | Sound damping adhesive |
| BR112014004134A2 (en) * | 2011-08-23 | 2017-03-14 | Avery Dennison Corp | pressure sensitive adhesive laminate for high performance noise and vibration damping applications |
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| CN1400270A (en) * | 2002-07-22 | 2003-03-05 | 浙江大学 | Interpenetrating polymer networks wide temperature band damping adhesive and its preparation method |
| CN102492378A (en) * | 2011-11-25 | 2012-06-13 | 上海夸耶特新材料科技有限公司 | Water-based viscous-elastic damping sound-insulation adhesive |
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