CN106827758B - A kind of complex sound insulation sound-absorbing material and preparation method thereof - Google Patents
A kind of complex sound insulation sound-absorbing material and preparation method thereof Download PDFInfo
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- CN106827758B CN106827758B CN201710087329.XA CN201710087329A CN106827758B CN 106827758 B CN106827758 B CN 106827758B CN 201710087329 A CN201710087329 A CN 201710087329A CN 106827758 B CN106827758 B CN 106827758B
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- B32B27/00—Layered products comprising a layer of synthetic resin
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- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B13/06—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B13/12—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/092—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising epoxy resins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
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- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/20—Layered products comprising a layer of natural or synthetic rubber comprising silicone rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
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Abstract
The application belongs to complex sound insulation sound absorption technique field, and in particular to a kind of complex sound insulation sound-absorbing material and preparation method thereof.Complex sound insulation sound-absorbing material provided by the present invention includes successively：First material layer aluminium powder elastic force glue-line, second material layer expanded vermiculite epoxy silane layer and third material layer Corvic silastic-layer.The present invention also provides the preparation methods of the complex sound insulation sound-absorbing material.This method sound-proof sound-absorbing works well, the noise of high frequency, low frequency can effectively be reduced, it makes simple, secondary pollution is small, and the present invention is the raw material for preparing composite sound-absorbing material with the waste silicone rubber on the retired insulator of power industry, realizing turns waste into wealth, and raw materials derive from a wealth of sources, and manufacturing cost is low.
Description
Technical field
The invention belongs to sound-proof sound-absorbing field of material technology, and in particular to a kind of complex sound insulation sound-absorbing material and its preparation side
Method.
Background technology
Currently, with industry, the continuous development of the continuous growth and urbanization process of transportation, noise pollution is gradual
It attracts people's attention, in addition, the raising with people's environmental consciousness and to personal air attention degree, to the appearance of various noises
Bear limit to be gradually lowered.Therefore, enhancing is the inexorable trend of development to the control of noise.Sound-absorbing material is generally resonant interaction
The flexible material of sound absorption enters sound-absorbing material, and the incident acoustic energy overwhelming majority is made to be absorbed with making acoustic energy areflexia.Sound insulating material
It is closely knit, it is difficult to which that absorbing and reflected through acoustic energy can be strong.Sound-absorbing material and sound insulating material can play the role of reducing noise.So far
It there is no a kind of better material having both sound-proof sound-absorbing function until the present.
On the other hand, with the development of urban construction, substation and transmission line of electricity have been built in city or outskirts of a town, this part
Power transformating and supplying facility large-scale use composite insulator is also given and is supplied while promoting Operation of Electric Systems stability and safety
Processing of the electric enterprise after insulator operating cost and replacing insulator brings problem.Due to replaced compound inslation
The silicon rubber part bulk deposition of son, lacks effective processing means, will cause the serious waste of resource.And silicon rubber is in environment
In there is higher persistence, it is difficult to degrade, long-term accumulation will grow bacterium, by serious contaminated soil after by erosions such as rainwater
And underground water.Therefore, how effectively to reuse from the waste silicone rubber on retired insulator and be applied to preparation one
Sound-absorbing material of the kind with good sound-proof sound-absorbing performance, is those skilled in the art's technical problem urgently to be resolved hurrily.
Invention content
In view of this, the present invention provides a kind of novel complex sound insulation sound-absorbing material and preparation method thereof, not only overcome
Existing sound-proof sound-absorbing material sound absorbing performance weak problem has also reused discarded insulator silicon rubber, and it is useless to realize change
For treasured.
The specific technical solution of the present invention is as follows：
The present invention provides a kind of complex sound insulation sound-absorbing materials, include successively：First material layer, second material layer and third
Material layer；
The first material layer is aluminium powder elastic force glue-line；
The second material layer is expanded vermiculite epoxy silane layer；
The third material layer is Corvic silastic-layer.
Preferably, the aluminium powder elastic force glue-line is the mixture of aluminium powder and elastic plastic, and preparation method is：
Elastic plastic is heated to molten condition, aluminium powder is added, compacting obtains the aluminium powder elastic force glue-line；
It counts in parts by weight, 60~100 parts of the aluminium powder, 40~60 parts of the elastic plastic；
The temperature of the heating is 180~250 DEG C.
Preferably, the expanded vermiculite epoxy silane layer is mixed by expanded vermiculite, epoxy silane and curing agent, is cured
It arrives；
It counts in parts by weight, 60~100 parts of the expanded vermiculite, 60~100 parts of the epoxy silane, the curing agent 1
~3 parts；
The curing agent is polyetheramine, isophorone diamine, 3,3'- dimethyl -4,4'- diamino-dicyclohexyl methyl hydride.
Preferably, the preparation of the Corvic silastic-layer includes：
A) silicone rubber powder, Barium azodicarboxylate, p-methyl benzenesulfonic acid and antioxidant are mixed, obtains mixture；
B) under the protective condition of nitrogen or inert gas, Corvic is heated to molten condition, is then added
The mixture obtained in step a) stirs, and foaming obtains the Corvic silastic-layer.
Preferably, it counts in parts by weight, 140~200 parts of silicone rubber powder, 3~7 parts of Barium azodicarboxylate, to toluene sulphur
8~15 parts of acid, 3~8 parts of antioxidant, 100~200 parts of Corvic；
The antioxidant is Carboxylic Ester Rare Earth Salt or organotin.
Preferably, inert gas described in step b) is helium or argon gas；
The temperature of the heating is 200~220 DEG C；
The temperature of the foaming is 240~300 DEG C, and the time of the foaming is 3~8min.
Preferably, above-mentioned complex sound insulation sound-absorbing material further includes：Intermediate sound-proof sound-absorbing material layer；
The intermediate sound-proof sound-absorbing material layer be cement silicon rubber whitening lotion adhesive layer, polyvinyl resin layer, novolac resin layer and
Cork dust suppresses one or both of filled layer；
The intermediate sound-proof sound-absorbing material layer is set between the first material layer and the second material layer.
Preferably, the preparation of the cement silicon rubber whitening lotion adhesive layer includes：
By portland cement, silicone rubber powder, white glue with vinyl, NaHCO3Silicon rubber powder and water mixing, foaming obtain the water
Mud silicon rubber whitening lotion adhesive layer.
Preferably, it counts in parts by weight, 50~90 parts of portland cement, 30~80 parts of silicone rubber powder, white glue with vinyl 5~10
Part, NaHCO32~5 parts, 15~30 parts of water；
The temperature of the foaming is 40~65 DEG C, and foamed time is 30~120min.
The present invention also provides the preparation method of above-mentioned composite material, using binder successively by the first material layer,
Intermediate sound-proof sound-absorbing material layer, second material layer and third material layer bonding.
Complex sound insulation sound-absorbing material provided by the present invention is a kind of MULTILAYER COMPOSITE sound-proof sound-absorbing material, is inhaled with single layer sound insulation
Sound material is compared, and MULTILAYER COMPOSITE sound-proof sound-absorbing material has apparent advantage, can eliminate the noise for coming from high and low frequency,
Sound-proof sound-absorbing works well；Meanwhile material of the present invention uses recycling insulator silicon rubber to be prepared for raw material, realizes resource
It reuses and turns waste into wealth, raw materials derive from a wealth of sources, and manufacturing cost is low.The preparation method of material of the present invention, technique
Optimization, operating procedure is simple, and secondary pollution is small, can be widely applied to prepare sound-proof sound-absorbing material.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the sectional view of the complex sound insulation sound-absorbing material of embodiment 1；
Fig. 2 is the sectional view of the complex sound insulation sound-absorbing material of embodiment 2.
Specific implementation mode
The present invention provides a kind of complex sound insulation sound-absorbing materials, include successively：First material layer, second material layer and third
Material layer；
The first material layer is aluminium powder elastic force glue-line；
Second material layer is expanded vermiculite epoxy silane layer；
Third material layer is Corvic silastic-layer.
Further, the aluminium powder elastic force glue-line is the mixture that the aluminium powder elastic force glue-line is aluminium powder and elastic plastic,
Preparation method preferably step in detail below：
1) 40~60 parts of elastic plastics are heated to molten condition under the conditions of 180~250 DEG C, temperature is controlled after paving and is existed
Within the scope of 130~170 DEG C；
2) aluminium powder is evenly laid out in elastic plastic surface, alumina particles are embedded in by elastic plastic with the mechanical pressure of 0.5~2Mpa
In, the aluminium powder elastic force glue-line is obtained after demoulding.
The present invention is not particularly limited the source of aluminium powder and elastic plastic, using aluminium powder well-known to those skilled in the art
With elastic plastic, such as commercial source.
Further, the thickness for the aluminium powder elastic force glue-line that the present invention obtains is preferably 3~6mm.
Further, the expanded vermiculite epoxy silane layer is mixed by expanded vermiculite, epoxy silane and curing agent, is cured
It arrives, preparation method preferably step in detail below：
1) 60~100 parts of expanded vermiculites, 60~100 parts of epoxy silanes and 1~3 part of curing agent are placed in mechanical agitator
With rotating speed for 50~150 turns/min mixings；
2) mixture is transferred in mold, foam 3~8min under the conditions of 240~300 DEG C, then it is transferred to subzero 20~
It is demoulded after 30~60min under the conditions of 40 DEG C, obtains expanded vermiculite epoxy silane layer.
Further, the curing agent is preferably polyetheramine D-230, isophorone diamine (IPDA) or 3,3'- diformazans
Base -4,4'- diamino-dicyclohexyl methyl hydride；In embodiments of the present invention, used curing agent is polyetheramine D-230.
The present invention is not particularly limited the source of expanded vermiculite, epoxy silane and curing agent, using people in the art
Expanded vermiculite, epoxy silane and curing agent known to member, such as commercial source.In the present invention, used expansion leech
Stone derives from mineral products processing factory；Used epoxy silane is commercially available industrial-grade epoxy silane, and molecular weight is 221.4 and divides
Minor is C9H20O5Si。
Further, the thickness of expanded vermiculite epoxy silane layer of the invention is preferably 5~10mm.
Further, the preparation of the Corvic silastic-layer preferably step in detail below：
1) retired insulator silicon rubber full skirt is shredded, is sequentially placed into dilute acid soln, ultrasound is clear in dilute alkaline soln and clear water
15min is washed, 20~40 mesh silicone rubber powders are ground into after drying；
2) by 100~200 parts of Corvics, 140~200 parts of silicon rubber powders, 3~7 parts of Barium azodicarboxylates, 5~
15 parts of p-methyl benzenesulfonic acid, 3~8 parts of antioxidants are placed in mechanical agitator, are stirred and evenly mixed with 50~200 turns/min speed；
3) Corvic is placed in wide-mouth triangular flask, and using nitrogen as protective gas, in 200~300 DEG C of conditions
Under be heated to molten condition, and temperature is controlled within the scope of 200~220 DEG C, in mechanical agitator turning with 50~150 turns/min
Mixture obtained in step 2) is added under the conditions of speed, stirs 5~10min；
4) mixture is transferred in mold, foam 3~8min under the conditions of 240~300 DEG C, then it is transferred to subzero 20~
30~60min is demoulded under the conditions of 40 DEG C, obtains Corvic silastic-layer.
The present invention comes silicone rubber powder, Corvic, Barium azodicarboxylate, p-methyl benzenesulfonic acid and antioxidant
Source is not particularly limited, using silicone rubber powder well-known to those skilled in the art, Corvic, azoformic acid
Barium, p-methyl benzenesulfonic acid and antioxidant, such as commercial source.In the present invention, used silicone rubber powder is from normal
The retired insulator silicon rubber of rule, the silicon rubber elastic is good, corrosion-resistant, and the silicon rubber of different-grain diameter size is obtained after grinding screening
Rubber powder end, diameter is preferably 0.425mm~2mm；Used Corvic, Barium azodicarboxylate, p-methyl benzenesulfonic acid
It is commercially available with antioxidant；Used antioxidant is commercially available technical grade organotin.
Further, the p-methyl benzenesulfonic acid is preferably 8~15 parts；The antioxidant is preferably 5~8 parts.
Further, the thickness of Corvic silastic-layer of the invention is preferably 3~6mm.
The present invention also provides the preparation methods of above-mentioned complex sound insulation sound-absorbing material, and the present invention is to preparation method without spy
Different limitation, using conventional binder well-known to those skilled in the art successively by the first material layer, second material layer
It is bonded with third material layer.The bonding agent is preferably aqueous polyurethane breast bonding agent, and specific preparation process is excellent
It is selected as：Aqueous polyurethane breast bonding agent is coated in the abutting edge of trilaminate material layer respectively, at 130~160 DEG C of cakings extremely
Then micro- molten condition in order successively adds first material layer, second material layer and third material layer under micro- molten condition
Pressure carries out the seamless connection of compound interlayer.
To enhance the sound-proof sound-absorbing performance of complex sound insulation sound-absorbing material of the present invention, the present invention is also in first material layer and second
The intermediate sound-proof sound-absorbing material layer that one layer to two layers is increased between material layer, for enhancing aforementioned complex sound insulation sound-absorbing material layer
Sound-proof sound-absorbing effect.Preferably, the enhancing sound-proof sound-absorbing material layer be cement silicon rubber whitening lotion adhesive layer, polyvinyl resin,
One or both of phenolic resin and cork dust compacting filled layer.Therefore, sound-proof sound-absorbing material provided by the present invention is three
Layer is not limited to the composite material of three layers or more composite constructions again.Sound insulation sound-absorbing material layer is only cement silicon rubber white glue with vinyl between in the middle
When material, glued and first material layer and second material layer by bonding agent of cement grout.
Further, the specific preparation process of the cement silicon rubber whitening lotion adhesive layer is preferably：
1) by 50~90 parts of portland cements, 30~80 parts of silicone rubber powders, 5~10 parts of white glue with vinyl, 2~5 parts of NaHCO3
With 15~30 parts of water, the mechanical agitation through 10~100 turns/min is mixed thoroughly, according still further to water and cement 1:3 mass ratio is stirred to molten
Melt shape；
2) fusant is transferred in mold and is placed in 40~65 DEG C of constant temperature 30~120min of foaming, be then transferred to room temperature, according to
The maintenance demoulding of traditional cements curing condition.
The present invention is to portland cement, white glue with vinyl and NaHCO3Source be not particularly limited, using people in the art
Portland cement, white glue with vinyl and NaHCO known to member3, such as commercial source.In the present invention, used silicate
Cement derives from commercially available Portland cement；Used white glue with vinyl derives from industrial white glue with vinyl；Used NaHCO3Come
Derived from commercially available technical grade.
Further, the thickness of cement silicon rubber whitening lotion adhesive layer of the invention is preferably 3~6mm.
Technical scheme of the present invention is clearly and completely described below in conjunction with the specific embodiment of the invention, it is clear that
Described embodiment is a part of the embodiment of the present invention, instead of all the embodiments.Those skilled in the art should manage
Solution, modifies to specific embodiments of the present invention or is replaced on an equal basis to some technical characteristics, without departing from the present invention
The spirit of technical solution should all cover in the scope of protection of the invention.
Embodiment 1
(1) 45 parts of elastic plastics are heated to molten condition under the conditions of 200 DEG C, temperature is controlled after paving in 143 DEG C of ranges
It is interior；Then, 70 parts of aluminium powders are evenly laid out in elastic plastic surface, alumina particles are embedded in by elastic plastic with the mechanical pressure of 0.5Mpa
In, aluminium powder elastic force glue-line is obtained after demoulding.
(2) 70 parts of expanded vermiculites, 65 parts of epoxy silanes and 1 part of polyetheramine D-230 are placed in mechanical agitator with rotating speed
For 80 turns/min mixings；Then, mixture is transferred in mold, foam 4min under the conditions of 260 DEG C, then is transferred to subzero 25 DEG C
Under the conditions of demould after 45min, obtain expanded vermiculite epoxy silane layer.
(3) first, retired insulator silicon rubber full skirt is shredded, is sequentially placed into dilute acid soln, in dilute alkaline soln and clear water
It is cleaned by ultrasonic 15min, 30 mesh silicone rubber powders is ground into after drying；Then, by 100 parts of Corvics, 160 parts of silicon rubber
Powder, 4 parts of Barium azodicarboxylates, 10 parts of p-methyl benzenesulfonic acid, 5 parts of organotins are placed in mechanical agitator, are stirred with 150 turns/min speed
Mix mixing；Then, Corvic is placed in wide-mouth triangular flask, and using nitrogen as protective gas, is added under the conditions of 250 DEG C
Heat controls temperature within the scope of 200 DEG C to molten condition, is added in the case where mechanical agitator is with the speed conditions of 100 turns/min
Obtained mixture in step 2), stirs 8min；Finally, mixture is transferred in mold, is foamed under the conditions of 260 DEG C
8min, 50min is demoulded under the conditions of being then transferred to subzero 30 DEG C, obtains Corvic silastic-layer.
(4) aqueous polyurethane breast bonding agent is respectively adopted to be bonded in the joint of trilaminate material layer, then at 150 DEG C
To micro- molten condition at caking, finally in order successively by aluminium powder elastic force glue-line, expanded vermiculite epoxy silane layer and polychlorostyrene
Vinyl silastic-layer pressurizes under micro- molten condition carries out the seamless connection of compound interlayer.
Fig. 1 is the sectional view for the complex sound insulation sound-absorbing material that the present embodiment obtains, as shown in Figure 1, obtained three layers compound
In sound-proof sound-absorbing material, the thickness of aluminium powder elastic force glue-line is 3mm, and the thickness of expanded vermiculite composite layer is 3mm, Corvic
The thickness of silastic-layer is 5mm.Sound-proof sound-absorbing test is executed according to national standard (GB8485-87, GB/T 16731-1997),
The test result of the composite sound-absorbing material is as shown in table 1：
Table 1
Embodiment 2
(1) 60 parts of elastic plastics are heated to molten condition under the conditions of 200 DEG C, temperature is controlled after paving in 170 DEG C；So
Afterwards, 95 parts of aluminium powders are evenly laid out in elastic plastic surface, alumina particles are embedded in elastic plastic with the mechanical pressure of 2Mpa, after demoulding
Obtain aluminium powder elastic force glue-line.
(2) by 70 parts of portland cements, 75 parts of silicone rubber powders, 10 parts of white glue with vinyl, 2 parts of NaHCO3With 30 parts of water, use
100 turns/min carries out mechanical agitation and mixes thoroughly, according to water and cement 1:3 mass ratio is stirred to molten；Then, fusant is turned
Enter to be placed in 60 DEG C of constant temperature foaming 100min in mold, is then transferred to room temperature, conserves and demould according to cement conservation condition, obtain cement
Silicon rubber whitening lotion adhesive layer.
(3) 100 parts of expanded vermiculites, 100 parts of epoxy silanes and 3 parts of polyetheramine D-230 are placed in mechanical agitator to turn
Speed is 100 turns/min mixings；Then, mixture is transferred in mold, foam 8min under the conditions of 280 DEG C, then is transferred to subzero
It is demoulded after 60min under the conditions of 35 DEG C, obtains expanded vermiculite epoxy silane layer.
(4) first, retired insulator silicon rubber full skirt is shredded, is sequentially placed into dilute acid soln, in dilute alkaline soln and clear water
It is cleaned by ultrasonic 15min, 40 mesh silicone rubber powders is ground into after drying；Then, by 200 parts of Corvics, 200 parts of silicon rubber
Powder, 7 parts of Barium azodicarboxylates, 15 parts of p-methyl benzenesulfonic acid, 6 parts of organotins are placed in mechanical agitator, are stirred with 200 turns/min speed
Mix mixing；Then, Corvic is placed in wide-mouth triangular flask, and using nitrogen as protective gas, is added under the conditions of 300 DEG C
Heat controls temperature within the scope of 220 DEG C to molten condition, is added in the case where mechanical agitator is with the speed conditions of 150 turns/min
Obtained mixture in step 2), stirs 10min；Finally, mixture is transferred in mold, is foamed under the conditions of 300 DEG C
8min, 60min is demoulded under the conditions of being then transferred to subzero 40 DEG C, obtains Corvic silastic-layer.
(5) first, using cement grout successively by aluminium powder elastic force glue-line, cement silicon rubber whitening lotion adhesive layer and expanded vermiculite ring
Oxosilane layer is bonded together；Then, using aqueous polyurethane breast bonding agent by expanded vermiculite epoxy silane layer and polyvinyl chloride tree
Fat silastic-layer is bonded together.
Fig. 2 is the sectional view for the complex sound insulation sound-absorbing material that the present embodiment obtains, as shown in Fig. 2, the present embodiment is provided
Complex sound insulation sound-absorbing material be four-layer structure, including elastic plastic aluminium powder composite layer, thickness about 2mm；Cement silicon rubber white glue with vinyl
Layer 3mm, expanded vermiculite composite layer, thickness 3mm；Third layer is Corvic silastic-layer, thickness 4mm；It can be answered
For being loaded onto in wall outer packing, the building fields such as floor sound insulation.
Claims (10)
1. a kind of complex sound insulation sound-absorbing material, includes successively：First material layer, second material layer and third material layer；
The first material layer is aluminium powder elastic force glue-line；
The second material layer is expanded vermiculite epoxy silane layer；
The third material layer is Corvic silastic-layer.
2. complex sound insulation sound-absorbing material according to claim 1, which is characterized in that the aluminium powder elastic force glue-line be aluminium powder and
The mixture of elastic plastic, preparation method are：
Elastic plastic is heated to molten condition, aluminium powder is added, compacting obtains the aluminium powder elastic force glue-line；
It counts in parts by weight, 60~100 parts of the aluminium powder, 40~60 parts of the elastic plastic；
The temperature of the heating is 180~250 DEG C.
3. complex sound insulation sound-absorbing material according to claim 1, which is characterized in that the expanded vermiculite epoxy silane layer by
Expanded vermiculite, epoxy silane and curing agent mixing, solidification obtain；
It counts in parts by weight, 60~100 parts of the expanded vermiculite, 60~100 parts of the epoxy silane, the curing agent 1~3
Part；
The curing agent is polyetheramine, isophorone diamine, 3,3'- dimethyl -4,4'- diamino-dicyclohexyl methyl hydride.
4. complex sound insulation sound-absorbing material according to claim 1, which is characterized in that the Corvic silastic-layer
Preparation include：
A) silicone rubber powder, Barium azodicarboxylate, p-methyl benzenesulfonic acid and antioxidant are mixed, obtains mixture；
B) under the protective condition of nitrogen or inert gas, Corvic is heated to molten condition, step is then added
A) mixture obtained in stirs, and foaming obtains the Corvic silastic-layer.
5. complex sound insulation sound-absorbing material according to claim 4, which is characterized in that count in parts by weight, silicone rubber powder
140~200 parts, 3~7 parts of Barium azodicarboxylate, 5~15 parts of p-methyl benzenesulfonic acid, 3~8 parts of antioxidant, Corvic
100~200 parts；
The antioxidant is Carboxylic Ester Rare Earth Salt or organotin.
6. complex sound insulation sound-absorbing material according to claim 4, which is characterized in that inert gas described in step b) is helium
Gas or argon gas；
The temperature of the heating is 200~220 DEG C；
The temperature of the foaming is 240~300 DEG C, and the time of the foaming is 3~8min.
7. complex sound insulation sound-absorbing material according to claim 1, which is characterized in that further include：Intermediate sound-proof sound-absorbing material
Layer；
The intermediate sound-proof sound-absorbing material layer is cement silicon rubber whitening lotion adhesive layer, polyvinyl resin layer, novolac resin layer and cork
One or both of bits compacting filled layer；
The intermediate sound-proof sound-absorbing material layer is set between the first material layer and the second material layer.
8. complex sound insulation sound-absorbing material according to claim 7, which is characterized in that the cement silicon rubber whitening lotion adhesive layer
Preparation includes：
By portland cement, silicone rubber powder, white glue with vinyl, NaHCO3Silicon rubber powder and water mixing, foaming obtain the cement silicon
Rubber whitening lotion adhesive layer.
9. complex sound insulation sound-absorbing material according to claim 8, which is characterized in that count in parts by weight, portland cement
50~90 parts, 30~80 parts of silicone rubber powder, 5~10 parts of white glue with vinyl, NaHCO32~5 parts, 15~30 parts of water；
The temperature of the foaming is 40~65 DEG C, and foamed time is 30~120min.
10. a kind of preparation method of the complex sound insulation sound-absorbing material described in claim 1 to 9 any one, which is characterized in that adopt
The first material layer, intermediate sound-proof sound-absorbing material layer, second material layer and third material layer are bonded successively with binder.
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| CN1522853A (en) * | 2003-02-18 | 2004-08-25 | 高雄塑酯化学工业股份有限公司 | Transparent sound insulation panel and method for manufacturing the same |
| CN106366613A (en) * | 2016-11-10 | 2017-02-01 | 广东电网有限责任公司电力科学研究院 | Material with effects of insulating sound and reducing noise and preparation method of material |
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| CN1522853A (en) * | 2003-02-18 | 2004-08-25 | 高雄塑酯化学工业股份有限公司 | Transparent sound insulation panel and method for manufacturing the same |
| CN106366613A (en) * | 2016-11-10 | 2017-02-01 | 广东电网有限责任公司电力科学研究院 | Material with effects of insulating sound and reducing noise and preparation method of material |
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