CN108263050B - A kind of polyurethane composite sound isolating material and preparation method thereof and power device - Google Patents
A kind of polyurethane composite sound isolating material and preparation method thereof and power device Download PDFInfo
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- CN108263050B CN108263050B CN201611263059.5A CN201611263059A CN108263050B CN 108263050 B CN108263050 B CN 108263050B CN 201611263059 A CN201611263059 A CN 201611263059A CN 108263050 B CN108263050 B CN 108263050B
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- KZMGYPLQYOPHEL-UHFFFAOYSA-N Boron trifluoride etherate Chemical compound FB(F)F.CCOCC KZMGYPLQYOPHEL-UHFFFAOYSA-N 0.000 description 1
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- CQQXCSFSYHAZOO-UHFFFAOYSA-L [acetyloxy(dioctyl)stannyl] acetate Chemical compound CCCCCCCC[Sn](OC(C)=O)(OC(C)=O)CCCCCCCC CQQXCSFSYHAZOO-UHFFFAOYSA-L 0.000 description 1
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- 125000000217 alkyl group Chemical group 0.000 description 1
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- 239000012298 atmosphere Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
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- DAMJCWMGELCIMI-UHFFFAOYSA-N benzyl n-(2-oxopyrrolidin-3-yl)carbamate Chemical compound C=1C=CC=CC=1COC(=O)NC1CCNC1=O DAMJCWMGELCIMI-UHFFFAOYSA-N 0.000 description 1
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- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
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- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
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- JBFHTYHTHYHCDJ-UHFFFAOYSA-N gamma-caprolactone Chemical compound CCC1CCC(=O)O1 JBFHTYHTHYHCDJ-UHFFFAOYSA-N 0.000 description 1
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- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
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- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- RXPAJWPEYBDXOG-UHFFFAOYSA-N hydron;methyl 4-methoxypyridine-2-carboxylate;chloride Chemical compound Cl.COC(=O)C1=CC(OC)=CC=N1 RXPAJWPEYBDXOG-UHFFFAOYSA-N 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 150000005204 hydroxybenzenes Chemical class 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- 235000013847 iso-butane Nutrition 0.000 description 1
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Natural products OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- GIWKOZXJDKMGQC-UHFFFAOYSA-L lead(2+);naphthalene-2-carboxylate Chemical compound [Pb+2].C1=CC=CC2=CC(C(=O)[O-])=CC=C21.C1=CC=CC2=CC(C(=O)[O-])=CC=C21 GIWKOZXJDKMGQC-UHFFFAOYSA-L 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
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- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 150000002688 maleic acid derivatives Chemical class 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
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- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- CRVGTESFCCXCTH-UHFFFAOYSA-N methyl diethanolamine Chemical group OCCN(C)CCO CRVGTESFCCXCTH-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 229910052750 molybdenum Inorganic materials 0.000 description 1
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- NXHXNTAEDQTBLD-UHFFFAOYSA-N n,n-dimethyl-3-(triazinan-1-yl)propan-1-amine Chemical compound CN(C)CCCN1CCCNN1 NXHXNTAEDQTBLD-UHFFFAOYSA-N 0.000 description 1
- OOHAUGDGCWURIT-UHFFFAOYSA-N n,n-dipentylpentan-1-amine Chemical compound CCCCCN(CCCCC)CCCCC OOHAUGDGCWURIT-UHFFFAOYSA-N 0.000 description 1
- KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical compound C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000006384 oligomerization reaction Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- AHHWIHXENZJRFG-UHFFFAOYSA-N oxetane Chemical compound C1COC1 AHHWIHXENZJRFG-UHFFFAOYSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 1
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- RPDAUEIUDPHABB-UHFFFAOYSA-N potassium ethoxide Chemical compound [K+].CC[O-] RPDAUEIUDPHABB-UHFFFAOYSA-N 0.000 description 1
- WQKGAJDYBZOFSR-UHFFFAOYSA-N potassium;propan-2-olate Chemical compound [K+].CC(C)[O-] WQKGAJDYBZOFSR-UHFFFAOYSA-N 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
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- 229960004889 salicylic acid Drugs 0.000 description 1
- 150000003839 salts Chemical group 0.000 description 1
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- 229960001124 trientine Drugs 0.000 description 1
- XFNJVJPLKCPIBV-UHFFFAOYSA-N trimethylenediamine Chemical compound NCCCN XFNJVJPLKCPIBV-UHFFFAOYSA-N 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- DNYWZCXLKNTFFI-UHFFFAOYSA-N uranium Chemical compound [U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U] DNYWZCXLKNTFFI-UHFFFAOYSA-N 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
- B29C33/58—Applying the releasing agents
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
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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
- 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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- 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
- B32B2605/00—Vehicles
- B32B2605/08—Cars
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
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- C08G2350/00—Acoustic or vibration damping material
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Abstract
The present invention relates to acoustic material field, a kind of polyurethane composite sound isolating material and preparation method thereof and power device are disclosed.Wherein composite sound isolating material includes the compound absorbent treatment and puigging being affixed；The absorbent treatment includes integrally formed epidermis and sandwich layer, and the sandwich layer is between the epidermis and the puigging；Irregular aperture is formed on the epidermis, and the percent opening of the epidermis is 50-95%.The polyurethane composite sound isolating material is by the way that absorbent treatment and puigging to be combined with each other, and epidermis, sandwich layer and puigging are set gradually from the inside to the outside, increase the friction of viscous loss of the sound wave in absorbent treatment porous material, air and hole wall, make it is suitable for the noise reduction process of wideband noise, can also play preferable noise reduction effect even with high frequency and hyperfrequency noise.
Description
Technical field
The present invention relates to acoustic material fields, and in particular, to a kind of polyurethane composite sound isolating material and preparation method thereof
With power device.
Background technique
With the high speed development of electric vehicle and hybrid electric vehicle, the essential all kinds of pump housings, automatically controlled IGBT in car body
The development trend of wideband is presented in the noise of the components such as module, motor, wherein not only there is low-frequency noise, mid-frequency noise, even
Have also appeared high-frequency noise and hyperfrequency noise.The appearance of high-frequency noise and hyperfrequency noise for in-vehicle sound quality influence compared with
Greatly.For the above-mentioned component (such as: oil pump, automatically controlled or motor) of subordinate noise, using active noise reduction measure, difficulty compared with
Greatly, higher cost and time-consuming effort, therefore research staff is more likely to reduce making an uproar for above-mentioned component using the measure of passive noise reduction
Sound.
Currently, existing acoustic damping materials mainly have the closed pore hair for the single layer that can play suppression component vibration and sound insulation function
Foam material (such as rubber and polyurethane etc.), and light (polyurethane) noise absorption cover of single layer of sound absorption can be played.By
In above-mentioned component (such as: oil pump, automatically controlled or motor) noise as rotation speed change its frequency, decibel value can also change, make
Broadband properties are presented in it.This allows for existing single sound absorption or the using effect of sound insulating material is limited, it is difficult to drop be not achieved
It makes an uproar effect.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 shows the epidermis of absorbent treatment in polyurethane composite sound isolating material prepared according to an embodiment of the present invention
Exemplary SEM micrograph spectrum of the layer under 50 times；
Fig. 2 shows the sandwich layers of absorbent treatment in polyurethane composite sound isolating material prepared according to an embodiment of the present invention
Exemplary SEM micrograph spectrum under 50 times；
Fig. 3 shows the epidermis of absorbent treatment in the polyurethane composite sound isolating material according to prepared by comparative example 1 at 100 times
Under SEM micrograph spectrum.
Summary of the invention
The object of the present invention is to provide a kind of polyurethane composite sound isolating materials and preparation method thereof, to improve acoustic material
Noise reduction effect.
To achieve the goals above, according to the first aspect of the invention, a kind of polyurethane composite sound isolating material is provided,
The composite sound isolating material includes the compound absorbent treatment and puigging being affixed；The absorbent treatment includes integrally formed epidermis and core
Layer, the sandwich layer is between the epidermis and the puigging；Irregular aperture is formed on the epidermis, and described
The percent opening of epidermis is 50-95%, preferably 60-95%, more preferably 70-95%, particularly preferably 80-95%.
According to the second aspect of the invention, a kind of preparation method of polyurethane composite sound isolating material is provided, the poly- ammonia
Ester composite sound isolating material includes the compound absorbent treatment and puigging being affixed, and the preparation method comprises the following steps: S1, in advance system
Standby sound insulation layer material, it is spare；S2, under absorbent treatment condition of molding, in the presence of solvent type wax system's release agent, with the first raw material
Composition is that raw material forms absorbent treatment on the surface for being built in the sound insulation layer material in the first mold, obtains the poly- ammonia
Ester composite sound isolating material；The absorbent treatment includes integrally formed epidermis and sandwich layer, the sandwich layer be located at the epidermis with
Between the puigging；Irregular aperture is formed on the epidermis, and the percent opening of the epidermis is 50-95%, it is excellent
It is selected as 60-95%, more preferably 70-95%, particularly preferably 80-95%；First feedstock composition includes the first polyhydroxy
Based compound system and the first polyisocyanates and its derivative.
According to the third aspect of the present invention, provide a kind of polyurethane composite sound isolating material, the polyurethane it is compound every
Sound material is prepared by aforementioned preparation process of the present invention.
According to the fourth aspect of the present invention, a kind of power device is provided, the power device includes noise generating unit
Part, and it is wrapped in the acoustic material of the noise generation part, wherein the acoustic material is according to of the present invention poly-
Urethane composite sound isolating material.
Polyurethane composite sound isolating material provided by the present invention and preparation method thereof, by be integrally formed include epidermis and
The absorbent treatment of sandwich layer, the characteristics of using being formed with hole on the material sandwich layer, and being formed with aperture on epidermis, can play compared with
Good sound absorption effect；The effect that sound insulation can be played by using puigging, reduce the acoustic radiation into air；Meanwhile pass through by
Absorbent treatment and puigging are combined with each other, and epidermis, sandwich layer and puigging are set gradually from the inside to the outside, increase sound wave and exist
The friction of viscous loss, air and hole wall in absorbent treatment porous material, makes that it is suitable for the noise reduction process of wideband noise, i.e.,
Make to be that can also play preferable noise reduction effect for high frequency and hyperfrequency noise.
Moreover, this polyurethane composite sound isolating material provided by the present invention, because its material is that high temperature resistance is preferable
Polyurethane material, this just imparts the preferable high temperature resistance of this acoustic material.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Specific embodiment
Detailed description of the preferred embodiments below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In order to improve the soundproof effect of existing acoustic material, the present invention provides a kind of polyurethane composite sound isolating materials, should
Composite sound isolating material includes the compound absorbent treatment and puigging being affixed；The absorbent treatment includes integrally formed epidermis and core
Layer, the sandwich layer is between the epidermis and the puigging；Irregular aperture is formed on the epidermis, and described
The percent opening of epidermis be 50-95%, preferably 60-95%, more preferably 70-95%, particularly preferably 80-95%, especially
Particularly preferably 85-95%.
In the present invention in provided polyurethane composite sound isolating material, the aperture on epidermis was prepared in absorbent treatment
It foams and is formed in journey, therefore its shape and aperture do not have systematicness, therefore are called irregular aperture.As shown in Figure 1, figure
1 composes for a kind of exemplary SEM micrograph of polyurethane composite sound isolating material mesocuticle layer according to the present invention, can be seen by Fig. 1
Out, required irregular aperture is formed on the epidermis of the polyurethane composite sound isolating material.
Polyurethane composite sound isolating material provided by the present invention, by being integrally formed the sound absorption including epidermis and sandwich layer
Layer the characteristics of using being formed with hole on the material sandwich layer, and being formed with aperture on epidermis, can play preferable sound absorption effect
Fruit；The effect that sound insulation can be played by using puigging, reduce the acoustic radiation into air；Meanwhile by by absorbent treatment and every
Sound-absorbing layer is combined with each other, and epidermis, sandwich layer and puigging are set gradually from the inside to the outside, and it is porous in absorbent treatment to increase sound wave
The friction of viscous loss, air and hole wall in material, makes that it is suitable for the noise reduction process of wideband noise, even with height
Frequency and hyperfrequency noise can also play preferable noise reduction effect.
Moreover, this polyurethane composite sound isolating material provided by the present invention, because its material is that high temperature resistance is preferable
Polyurethane material, this just imparts the preferable high temperature resistance of this acoustic material.
Provided polyurethane composite sound isolating material according to the present invention, it is preferred that emphasis is formed on the epidermis in absorbent treatment
Aperture improves the matching of absorbent treatment sound absorbing performance and absorbent treatment and sound insulating layer.Wherein for the aperture of aperture on absorbent treatment with
And the thickness of epidermis does not have the aperture of aperture in particular/special requirement, such as the epidermis that can be distributed in 20 μm of -1000 μm of models
In enclosing, it is preferably distributed in 100-800 μ m, is more preferably distributed in 100-400 μ m；The thickness of the epidermis point
Cloth is in 10 μm of -100 μ m, preferably in 10-40 μ m.
Provided polyurethane composite sound isolating material according to the present invention, wherein the measurement method of the percent opening of epidermis is choosing
Three, sample of surfacing are taken to be SEM, each sample chooses different regional observation surface aperture situations, and calculates each sight
The ratio for examining the area of the area of aperture and entire viewing area in region obtains the percent opening of corresponding region, and takes at least 9 groups
Data do the epidermis percent opening for averagely obtaining corresponding polyurethane composite sound isolating material.The survey of the pore-size distribution of the aperture of epidermis
Amount method is that three, sample of selection surfacing are SEM, and each sample chooses different regional observation surface aperture situations, amount
The size for taking aperture obtains its pore size distribution range；The measurement method of the thickness of epidermis is to take three groups of epidermis cross-sectional sample,
Each sample takes different location to measure skin layer thickness, obtains thickness distribution.The percent opening of epidermis and hole in actual operation
Diameter can be using the scientific imagery processing software Image J measurement of National Institutes of Health design.
Provided polyurethane composite sound isolating material according to the present invention wants the core material of absorbent treatment there is no special
It asks, is referred to the custom requirements of sound absorbing material layer used by this field, such as the porosity of the sandwich layer is 50-97%,
Pore-size distribution is in 50 μm of -1000 μ m, flow resistivity 10000-100000Ns/m4, density 30-200kg/m3, preferably
For 80-120kg/m3.The porosity of the preferably described sandwich layer is 70-90% in the present invention, and pore-size distribution is in 100-500 μm of model
In enclosing, flow resistivity 2000-80000Ns/m4, density 80-120kg/m3.As shown in Fig. 2, Fig. 2 is according to the present invention poly-
A kind of exemplary SEM micrograph spectrum of urethane composite sound isolating material S1 center core layer, its sandwich layer aperture is uniform as seen from Figure 2,
There is various sizes of aperture above macropore, percent opening is higher, therefore generates viscous loss to sound wave, improves sound absorbing performance.
Provided polyurethane composite sound isolating material according to the present invention, the measurement method of the porosity of center core layer are as follows: adopt
With pressure/quality test method, used equipment are as follows: using the porosity test instrument-PHI of mecanum company, test
The porosity of porous material；The measurement method in aperture are as follows: observation area is different under a scanning electron microscope for three parts of coring layer material
Distribution of cells under region, and count distributed area；The measurement method of flow resistivity is referring to " GB/T 25077-2010 acoustics is porous
Sound-absorbing material flow resistance measurement "；The measurement method of density is referring to " the survey of GB T 6343-2009 foamed plastics and rubber apparent density
It is fixed ".
Provided polyurethane composite sound isolating material according to the present invention wants the heat resistance of absorbent treatment there is no special
It asks, is referred to conventional thermal resistance requirement of this field for absorbing material.In the present invention in order to suitable for making an uproar to wideband
Sound carries out noise reduction process, especially carries out noise reduction to high frequency and hyperfrequency noise, the heat resistance of the preferably described absorbent treatment is at 160 DEG C
More than, more preferably at 170 DEG C or more.The heat resistance measurement method of absorbent treatment in the present invention are as follows: take identical certain thickness (20-
30mm) four pieces of 200 × 200mm of material sample, middle its heatproof of test of three pieces of baking ovens (160 ± 2 DEG C of h) being put into air blast are anti-aging
Performance, one piece is put into drier at room temperature, takes out comparison its discoloration, material afterwards in same time (at least for 24 hours, such as 120h)
The surface state such as surface embrittlement, corrugation and basis material Flexible change.
Provided polyurethane composite sound isolating material according to the present invention, the thickness 10-40mm of the preferably described absorbent treatment, preferably
For 20-30mm, the puigging with a thickness of 5-20mm, preferably 5-15mm.
Provided polyurethane composite sound isolating material according to the present invention, wherein being wanted for sound insulation layer material there is no special
It asks, is referred to the polyurethane sound insulation layer material that can play soundproof effect that this field routinely uses.Such as the puigging
Density Distribution in 200-3000kg/m3In range.The matching effect of puigging and absorbent treatment is comprehensively considered in the present invention, it is excellent
Select the Density Distribution of the puigging in 500-1000kg/m3In range.The measurement of the density of preferred puigging in the present invention
Method is referring to " measurement of GB T6343-2009 foamed plastics and rubber apparent density ".
Provided polyurethane composite sound isolating material according to the present invention, in order to advanced optimize the noise reduction effect of the material,
It is preferred that the puigging, which has, is superimposed the composite construction formed by the sub- puigging of multilayer.By using the sub- puigging of multilayer, favorably
In increasing acoustic wave energy loss, the effect of optimization noise reduction effect is realized.
Provided polyurethane composite sound isolating material according to the present invention, wherein the absorbent treatment is by the first feedstock composition system
Standby to form, first feedstock composition includes: the of 100 weight % on the basis of the dry weight of the first polyol system
One polyol system, the first polyisocyanates of 30-60 weight % and its derivative, 1-5 weight % foaming agent,
The antioxidant of the catalyst of 0.1-1.2 weight %, the silicone oil of 0.2-1.2 weight % and 1-4 weight %.
Provided polyurethane composite sound isolating material according to the present invention, for the first polyhydroxy in the first feedstock composition
There is no particular/special requirements for the selection of chemical combination objects system and the first polyisocyanates and its derivative, are referred to the routine of this field
Selection, selection can be realized the present invention for the raw material of the requirements such as the porosity of sandwich layer, flow resistivity and density.It is excellent in the present invention
Selecting in the first polyol system includes one or more polyols, and the number of each polyol is equal
Molecular weight is 4000-6000g/mol, preferably 5000-6000g/mol；It is different in first polyisocyanates and its derivative
The content of cyanate (NCO) group is 27-32mmol/kg, preferably 29-30mmol/kg.
Wherein, the puigging is by the second feedstock composition system for provided polyurethane composite sound isolating material according to the present invention
Standby to form, second feedstock composition includes: the of 100 weight % on the basis of the dry weight of the second polyol system
Two polyol systems, the second polyisocyanates of 40-70 weight % and its derivative, 0.5-3 weight % foaming agent,
The organic crosslinking agent of the catalyst of 0.5-4 weight %, the silicone oil of 0.2-5 weight % and 1-20 weight %.
Provided polyurethane composite sound isolating material according to the present invention, for the second polyhydroxy in the second feedstock composition
There is no particular/special requirements for the selection of chemical combination objects system and the second polyisocyanates and its derivative, are referred to the routine of this field
Selection, selection can be realized the present invention for the raw material of the density requirements of puigging.Preferred second polyhydroxy in the present invention
It include one or more polyols in based compound system, and the number-average molecular weight of each polyol is 3000-
6000g/mol, preferably 4000-6000g/mol；The content of NCO group is in second polyisocyanates and its derivative
28-32mmol/kg, preferably 29-30mmol/kg.
Provided polyurethane composite sound isolating material according to the present invention, wherein preparing the absorbent treatment and the puigging mistake
It include one or more polyhydroxys in first polyol system and the second polyol system employed in journey
Based compound；The polyol is the polyol containing at least two hydrogen atoms in hydroxyl.This
Kind polyol can be polyester polyol, can be polyether polyhydroxy-compound or, can be aromatics, rouge
Race or combinations thereof polyol, and can be by any initiator (such as amine initiator) prepare polyhydroxy
Compound.
The polyester polyol that can be used in the present invention can be by organic two for example with 2 to 12 carbon atoms
The carboxylic acid aromatic dicarboxylic acid of 8-12 carbon atom (preferably with) and polyalcohol (dihydroxy compounds of 2-12 carbon atom, more
It is preferred that the dihydroxy compounds of 2-6 carbon atom) preparation.The example of suitable dicarboxylic acids be succinic acid, glutaric acid, adipic acid,
It is suberic acid, azelaic acid, decanedioic acid, decane dicarboxylic acid, maleic acid, fumaric acid and preferred phthalic acid, M-phthalic acid, right
The naphthalenedicarboxylic acid of phthalic acid and isomery.The dicarboxylic acids can be used alone or in admixture with one another.Also corresponding dicarboxyl can be used
Acid derivative replaces free dicarboxylic acids, for example, the dicarboxylic ester or dicarboxylic anhydride of the alcohol with 1-4 carbon atom.Polyalcohol
The example of (specially dihydric alcohol) includes ethylene glycol, diethylene glycol (DEG), 1,2-PD and 1,3-PD, dipropylene glycol, 1,
4- butanediol, 1,5-PD, 1,6- hexylene glycol, 1,10- decanediol, glycerol and trimethylolpropane.And, it is possible to use by
Lactone (for example, 6-caprolactone) or the polyester polyhydroxy prepared by hydroxy-carboxylic acid (for example, ω-hydroxycaproic acid or hydrobenzoic acid)
Based compound.
The polyester polyol can be synthesized using this field conventional synthesis process, such as the polyester polyhydroxy
Based compound is by the way that by organic polycarboxylic acid and/or its derivative and polyalcohol, rate is 1: 1-1.8 in molar ratio preferably 1:
1.05-1.2 hybrid reaction is formed；In another example the reaction condition for preparing the polyester polyol includes: at 150 DEG C to 250
At a temperature of DEG C (preferably 180-220 DEG C), in atmospheric pressure or under reduced pressure under the conditions of be effectively performed；In another example reaction is in inertia
It is carried out under the promotion of atmosphere, wherein used inert gas includes but is not limited to nitrogen, carbon monoxide, helium or argon gas.Again
Such as react and carry out in the presence of a catalyst, the catalyst that can be used for example is esterification catalyst, and the esterification is urged
Agent includes but is not limited to the iron for being in metal, metal oxide or metallic salt form, cadmium, cobalt, lead, zinc, antimony, magnesium, titanium and tin.Again
Such as polycondensation process containing diluent and/or for by azeotropic distillation remove condensation water entrainer (for example, benzene, first
Benzene, dimethylbenzene or chlorobenzene) liquid phase in the presence of carry out.
The known formula that the polyether polyhydroxy-compound that can be used in the present invention can routinely be used by this field
Method preparation.Such as it can be formed by the way of cationic polymerization, and can be formed by the way of anionic polymerisation.Wherein
When being formed by the way of cationic polymerization, polyether polyhydroxy-compound can be to be had in alkylene moiety by one or more
There is the oxyalkylene of 2-4 carbon atom to be prepared, wherein the catalyst that can be used includes but is not limited to lewis acid, such as
Antimony pentachloride, particularly boron fluoride etherate or bleaching earth.
What be can be used in the present invention has the oxyalkylene of 2-4 carbon atom in alkylene moiety, for example including
But it is not limited to tetrahydrofuran, 1,3- propylene oxide, 1,2- and 2,3- epoxy butane, styrene oxide, ethylene oxide and 1,2- ring
One of Ethylene Oxide is a variety of.These oxyalkylenes can be used alone, can also be alternatively sequentially with being also used as
Mixture uses.
The initiator molecule that above-mentioned polyether polyhydroxy-compound can be used during the preparation process includes but is not limited to water, has
One of machine dicarboxylic acids and organic amine are a variety of；The organic dicarboxylic acid that wherein can be used include but is not limited to succinic acid, oneself
One of diacid, phthalic acid and terephthalic acid (TPA) are a variety of；The organic amine that can be used include but is not limited to aliphatic series and
Aromatic amine, unsubstituted or N- is mono-, N, N- and N, substituted two in moieties with 1-4 carbon atom of N '-dialkyl group-
Amine and 4, one of 4 '-, 2,4 '-and 2,2 '-diaminodiphenyl-methanes or a variety of；It is wherein aforementioned to have in moieties
The diamines of 1-4 carbon atom include but is not limited to unsubstituted or mono- or substituted dialkyl group-ethylenediamine, diethylenetriamines,
Trien, 1,3- trimethylene diamine, 1,3- butylidene-diamines and Isosorbide-5-Nitrae-butylidene-diamines, 1,2- hexa-methylene two
Amine, 1,3- hexamethylene diamine, Isosorbide-5-Nitrae-hexamethylene diamine, 1,5- hexamethylene diamine and 1,6- hexamethylene diamine, aniline,
Phenylenediamine, 2,3- toluenediamine, 2,4- toluenediamine, 3,4- toluenediamine and 2,6- toluenediamine.
The initiator molecule that above-mentioned polyether polyhydroxy-compound can be used during the preparation process can also be alkanolamine, two
Alkanolamine, tri-alkanolamine, polyalcohol, polyphenol, resol and phenol, formaldehyde and dialkanol amine condensation product and
One of melamine is a variety of.The alkanolamine that wherein can be used includes but is not limited to ethanol amine, N- methyl-and N- ethyl hexanol
Amine；The dialkanol amine that can be used includes but is not limited to diethanol amine, N- methyl-and N- ethyldiethanolamine；It can be used
Tri-alkanolamine includes but is not limited to triethanolamine and ammonia；The polyalcohol that can be used includes dihydric alcohol and/or trihydroxylic alcohol, such as is wrapped
Include but be not limited to ethylene glycol, 1,2- and 1,3-PD, diethylene glycol (DEG), dipropylene glycol, 1,4-butanediol, 1,6- hexylene glycol,
Glycerol, trimethylolpropane, pentaerythrite, D-sorbite and sucrose.The polyphenol that can be used includes but is not limited to 4,4 '-two
Hydroxy diphenyl methane and 4,4 '-dihydroxy -2,2- diphenyl propanes；The resol that can be used includes but is not limited to
The oligomerization product of the condensation of phenol and formaldehyde.
It, can be by as initiator molecule when forming polyether polyhydroxy-compound by the way of cationic polymerization
At least one aromatic compounds (its containing at least two hydrogen atoms and at least one hydroxyl, amino and/or carboxyl) on
Polymerization of anion at least one alkylene oxide (preferably ethylene oxide or 1,2- propylene oxide or 1,2- propylene oxide and ring
Oxidative ethane) preparation form polyether polyhydroxy-compound, wherein the catalyst that can be used includes but is not limited to alkali metal hydroxide
In object, such as sodium hydroxide or potassium hydroxide or alkali metal alkoxide such as sodium methoxide, sodium ethoxide, potassium ethoxide or potassium isopropoxide
It is one or more；
The initiator molecule that above-mentioned polyether polyhydroxy-compound can be used during the preparation process includes but is not limited to aromatics
One of polycarboxylic acid, hydroxycarboxylic acid, amino carboxylic acid, polyphenol and aromatic polyamine are a variety of.The more carboxylics of the aromatics that wherein can be used
Acid includes but is not limited to benzene-1, trimellitic acid, trimesic acid, phthalic acid, M-phthalic acid and to benzene two
One of formic acid is a variety of；The hydroxycarboxylic acid that can be used includes but is not limited to salicylic acid, P-hydroxybenzoic acid, hydroxy benzenes
One of formic acid and gallic acid are a variety of.Workable amino carboxylic acid includes but is not limited to ortho-aminobenzoic acid, amino
One of benzoic acid and p-aminobenzoic acid are a variety of；The polyphenol that can be used includes but is not limited to resorcinol, dihydroxy
Diphenyl methane, dihydroxy -2,2- diphenyl propane and including phenol, formaldehyde and dialkanol amine (preferably diethanol amine)
One of Mannich condensation product or a variety of；The aromatic polyamine that can be used includes but is not limited to 1,2-, 1,3- and Isosorbide-5-Nitrae-benzene
Diamines, 2,3-, 2,4-, 3,4- and 2,6- toluenediamine, 4,4 '-, 2,4 '-and 2,2 '-diamino-diphenyl methane, polyphenylene-
Polymethylene-polyamines (polyphenyl-polymethylene-polyamines), diamino-diphenyl methane and polyphenylene-
At least two in polymethylene-polyamines mixture (for example, being formed by the condensation of aniline and formaldehyde) and the polyamines
Mixture.
Provided preparation method according to the present invention, wherein for each polyhydroxy chemical combination in the first polyol system
The selection of object is referred to the present invention previously for the description of polyol, as long as meeting aforementioned claim, in this hair
The example of each polyol includes being commercially available from Jining Hua Kai tree in the first polyol system that can be used in bright
Propylene oxide condensation product (polyether polyol) PPG3000 and PPG2000 of rouge Co., Ltd: it is commercially available can the limited public affairs of Leah polyalcohol
The polyether polyol KE-510 of department, the polyether polyol 4110 of commercially available Shanghai Gaoqiao petrochemical corporation (complex), commercially available Shandong blue star east
The polyether polyol POP of big chemical industry Co., Ltd, commercially available Jining Hua Kai resin Co., Ltd polyester polyol 2033, poly-
Ester polyol 2055, polyester polyol 2044 and the polyether polyol for being commercially available from Zhejiang Yong Jie automotive electronics Co., Ltd
One of Shell Chemical Co's polyether polyol 3405, Dow Chemical polyether polyol WT5000 or more commercially available from 1027
Kind.
Provided preparation method according to the present invention, wherein for each polyhydroxy chemical combination in the second polyol system
The selection of object is referred to the present invention previously for the description of polyol, as long as meeting aforementioned claim, in this hair
Each polyol is preferably commercially available from the limited public affairs of the Shandong big chemical industry in blue star east in the second polyol system of this in bright
The polyether polyol EP330N of department, the polyether polyol 4110 of commercially available Shanghai Gaoqiao petrochemical corporation (complex), commercially available Jining Hua Kai tree
The polyether polyol 3152 of company, rouge Co., Ltd, commercially available Jining Hua Kai resin Co., Ltd polyether polyol F-4668 commercially available from
Jining Hua Kai resin Co., Ltd polyester polyol p-3152 and the polyester for being commercially available from Jining company, Hua Kai resin Co., Ltd
Polyalcohol 2044, commercially available Zhejiang Yong Jie automotive electronics Co., Ltd polyester polyol 1027, commercially available Shell Chemical Co's polyethers are more
First alcohol 3405, Dow Chemical polyether polyol WT5000 it is one or more.
Provided polyurethane composite sound isolating material according to the present invention, wherein preparing the absorbent treatment and the puigging mistake
First polyisocyanate component and the second polyisocyanates employed in journey can be arbitrary polyisocyanates and its derivative
Object, for example including but be not limited to organic multiple isocyanate, modified polyisocyanate, the prepolymer based on isocyanates and its mixing
Object.These can further comprise aliphatic and alicyclic isocyanate, and particularly, aromatic polyisocyanate, especially more officials
It can aromatic isocyanate.
The polyisocyanates that can be used in the present invention includes but is not limited to 2,4- and 2,6- toluene di-isocyanate(TDI) with
And their corresponding isomer mixtures；4,4 '-, 2,4 '-and 2,2 '-diphenyl-methane diisocyanate and they are corresponding
Isomer mixture；4,4 '-, 2,4 '-and 2,2 '-diphenyl-methane diisocyanate and polyphenyl polymethylene polyisocyanate cyanogen
The mixture of acid esters (PMDI)；And the mixture of PMDI and toluene di-isocyanate(TDI).The aliphatic series that can be used in the present invention
It include but is not limited to 1,6- hexa-methylene-diisocyanate with alicyclic isocyanate compound；1- isocyanate group -3,5,5- tri-
Methyl-1,3- isocyanatomethyl-hexamethylene；2,4- and 2,6- hexahydro-toluene diisocyanate and they are corresponding different
Structure body mixture；4,4 '-, 2,2 '-mix with 2,4 '-dicyclohexyl methyl hydride diisocyanates and their corresponding isomers
Object；And 1,3- tetramethylene xylene diisocyanate (1,3-tetramethylene xylene diisocyanate).
More (function) isocyanates of the modification that can be used in the present invention (i.e. by diisocyanate above and/or
The product that the chemical reaction of polyisocyanates obtains) including but not limited to ester-containing, urea, biuret, formic acid urea groups ester, two Asia of carbonization
The polyisocyanates of amine and/or uretonimine (uretonomine), two containing isocyanuric acid ester and/or carbamate groups
Isocyanates or polyisocyanates.More (function) isocyanates that specifically can be used are the polyisocyanic acid based on following substance
Ester: 4,4 '-, 2,4 '-and/or 2,2 '-methyl diphenylene diisocyanates and corresponding isomer mixture；2,4- and/or 2,
6- toluene di-isocyanate(TDI) and corresponding isomer mixture；The mixture of methyl diphenylene diisocyanate and PMDI；And
The mixture of toluene di-isocyanate(TDI) and PMDI and/or methyl diphenylene diisocyanate.
The polyisocyanate prepolymers that can be used in the present invention can pass through diisocyanate and/or polyisocyanates
Preparation is reacted with material comprising lower number-average molecular weight dihydroxy compounds (glycol) and trihydric compounds (triol).It is right
It is referred to the conventional selection of this field in the polymer raw and polymerization of this polyisocyanate prepolymers, it is no longer superfluous herein
It states.
Provided preparation method according to the present invention, wherein for the first polyisocyanates and its derivative and the second polyisocyanate
The selection of cyanate and its derivative is referred to the present invention previously for the description of polyisocyanate component, as long as meeting aforementioned
It is required that first polyisocyanates and its derivative are preferably diphenylmethane isocyanate and its isomery in the present invention
The mixture or polyphenyl polymethylene polyisocyanates of body.It is specific to be preferably commercially available from Yantai Wanhua Chemical Co., Ltd.
Polymeric MDI PM200, be commercially available from Jining Hua Kai resin Co., Ltd polymeric MDI 44V20, be commercially available from Jining Hua Kai resin and have
The polymeric MDI 208 of limit company is commercially available from the MDI50L of Yantai Wanhua Chemical Co., Ltd. and is commercially available from Yantai Wanhua chemistry
One of MDI100LL of Co., Ltd or a variety of.
Provided polyurethane composite sound isolating material according to the present invention, for aforementioned first feedstock composition and the second raw material
There is no particular/special requirements for foaming agent employed in composition, are referred to this field for the conventional selection of foaming agent, including
But it is not limited to physically or chemically foaming agent.Such as one of water, cycloalkane, dialkyl ether and ring alkylene ether or a variety of.Its
In the cycloalkane that can be used include but is not limited to one of cyclobutane, pentamethylene and hexamethylene or a variety of；It can be used
Dialkyl ether includes but is not limited to one or more in dimethyl ether, methyl ethyl ether, methyl butyl ether and diethyl ether；It can be used
Ring alkylene ether include but is not limited to furans；The fluoroalkane that can be used includes but is not limited to fluoroform, difluoromethane, two
One of fluoroethane, tetrafluoroethane and heptafluoro-propane are a variety of.
Provided polyurethane composite sound isolating material according to the present invention, for aforementioned first feedstock composition and the second raw material
Catalyst employed in composition can be amines catalyst.Wherein amines catalyst includes N- alkyl morpholine, N- alkyl-alkane
Hydramine, N, one of N- dialkylcyclohexylamines and alkylamine or a variety of, wherein the alkyl is methyl, ethyl, propyl, fourth
Base or its isomeric form and heterocyclic amine.In a preferred embodiment, the amines catalyst includes triethylene two
Amine, two (2- dimethyl aminoethyl) ethers, triethylamine, tripropyl amine (TPA), tri-n-butylamine, triethanolamine, triamylamine, pyridine, quinoline, diformazan
Base piperazine, piperazine, N, N- dimethylcyclohexylam,ne, N-ethylmorpholine, 2- methyl propane diamine, 2,4,6- tri- (dimethylamino first
Base) phenol, N, N ', N "-three (dimethylaminopropyl)-- Hexahydrotriazine, two (2- dimethyl aminoethyl) ethers, dimethyl
Cyclo-hexylamine, N, N- dimethylethanolamine, triethylenediamine, N, N ', N- ethyl-morpholine and its mixture.In the present invention
The amines catalyst that can be used include but is not limited to the TEDA-L33 (triethylenediamine) for being commercially available from Tosoh chemical company,
TEDA-L33E, NiaxA-1, NiaxA-33, NiaxA-31, NiaxA-230, the NiaxA- for being commercially available from Mai Tu new high-tech material group
510,NiaxA-507；The dimethylethanolamine for being commercially available from Mai Tu new high-tech material group CAT-HP102F, being commercially available from Hensel Mann
One of or it is a variety of.
Provided preparation method according to the present invention, for institute in aforementioned first feedstock composition and the second feedstock composition
The catalyst of use can also use organo-metallic compound class catalyst in addition to amines catalyst, and wherein metal includes but not
It is limited to bismuth, lead, tin, titanium, iron, antimony, uranium, cadmium, cobalt, thorium, aluminium, mercury, zinc, nickel, caesium, molybdenum, vanadium, copper, manganese, zirconium and combinations thereof.At this
This organo-metallic compound class catalyst that can be used in invention includes but is not limited to bismuth nitrate, 2 ethyl hexanoic acid lead, benzene
Lead formate, lead naphthenate, iron chloride, antimony trichloride, glycolic antimony, stannous acetate, stannous octoate, stannous 2-ethylhexoate, 1-
Methylimidazole, lauric acid stannous, dibutyltin diacetate, dibutyl tin dilaurate, two dibutyitin maleates, isooctyl acid
Tin, dioctyl tin diacetate and combinations thereof etc..The organo-metallic compound class catalyst that can be used in the present invention is preferably
Tin catalyst, for example including but be not limited to be commercially available from the stannous octoate T-9 of Jining company, Hua Kai resin Co., Ltd, be commercially available from
It is the dibutyl tin dilaurate T-12 of Jining Hua Kai resin Co., Ltd, the T125 for being commercially available from air chemical company, the U.S., commercially available
One of UL24, UL-6 isooctyl acid tin from Mai Tu company is a variety of.
Provided polyurethane composite sound isolating material according to the present invention, for aforementioned first feedstock composition and the second raw material
It is a kind of polysiloxane of different polymerization degree chain structure that silicone oil is used in composition.The mesh of silicone oil is used in the present invention
It is the effect of stable bubble hole structure and aperture, the silicone oil that can be used in the present invention (including organic surface active agent and base
In the surfactant of organosilicon) for example polysiloxanes polyoxyalkylene block copolymer (referring to United States Patent (USP) 2,834,
748；Disclosed in 2,917,480 and 2,846,458, entire contents be incorporated herein by reference), it can be used
Commodity include but is not limited to commercially available SF-1109, L-520, L-521 and DC-193；In another example containing polyoxy-ethylidene-polyoxy
The organic surface active agent of base Aden group block copolymer (referring to United States Patent (USP) 5, described in 600,019, entire contents is led to
The mode for crossing reference is incorporated herein), the silicone oil that can be used in the present invention includes but is not limited to be commercially available from Ying Chuan company
2270, it is commercially available from the Hubei still SG5020 of industry science skill Materials Co., Ltd, is commercially available from the 5058 of Jining Hua Kai resin Co., Ltd
With one of the L-580K and Cangzhou Dong Su group G680, G780, G980 that are commercially available from Mai Tu company, the U.S. or a variety of.
Provided polyurethane composite sound isolating material according to the present invention, can be according to prepared polyurethane complex sound insulation material
The requirement or preparation of absorbent treatment and puigging require in material, select aforementioned first feedstock composition and the second material combination
Auxiliary addition agent employed in object.This auxiliary addition agent for example including but be not limited to crosslinking agent, antioxidant and colorant etc..
Provided polyurethane composite sound isolating material according to the present invention, for using antioxygen in aforementioned first feedstock composition
The purpose of agent is to increase foam to the ageing properties of heat, light, in the present invention for the selection of antioxidant there is no particular/special requirement,
It is referred to the conventional selection of this field, such as presently commercially available antioxidant 264, antioxidant 1135, irgasfos 168 and antioxidant
One of 1098 or a variety of.Polyol system is based in first feedstock composition and the second feedstock composition
100 weight % of dry weight on the basis of, the antioxidant including 0.1-1 weight %.
Provided polyurethane composite sound isolating material according to the present invention, it is organic for being used in aforementioned second feedstock composition
The purpose of crosslinking agent is the tearing for improving material, supportive, toughness, and the number-average molecular weight of the organic crosslinking agent is under preferable case
Less than 1000g/mol, wherein the crosslinking agent that can be added includes but is not limited to ethylene glycol, propylene glycol, glycerine, butanediol, two
One of ethanol amine and triethanolamine are a variety of.Polyhydroxy is based in first feedstock composition and the second feedstock composition
On the basis of the 100 weight % of dry weight of based compound system, the crosslinking agent including 1-20% weight %.
Meanwhile a kind of preparation method of polyurethane composite sound isolating material is additionally provided in the present invention, the polyurethane is compound
Acoustic material includes the compound absorbent treatment and puigging being affixed, and the preparation method comprises the following steps: S1, previously prepared sound insulation
Layer material, it is spare；S2, under absorbent treatment condition of molding, in the presence of the first release agent, using the first feedstock composition as raw material
Absorbent treatment is formed on the surface of the sound insulation layer material, obtains the polyurethane composite sound isolating material；The absorbent treatment includes
Integrally formed epidermis and sandwich layer, the sandwich layer is between the epidermis and the puigging；Shape on the epidermis
At there is an irregular aperture, and the percent opening of the epidermis is 50-95%, preferably 60-95%, more preferably 70-95%, special
It You Xuanwei not 80-95%, especially particularly preferably 85-95%；First release agent is solvent type wax system release agent；Described
One feedstock composition includes the first polyol system and the first polyisocyanates and its derivative.
Above-mentioned preparation method simple process provided by the present invention is suitable for operation, on the basis of existing molding die,
The preparation of required polyurethane composite sound isolating material can be realized by simple process shifts.Pass through selection solvent in the present invention
Type wax system's release agent is used as the first release agent so that the epidermis in forming process with the wax system in wax system release agent
Ingredient (such as paraffin or polyethylene wax etc.) reacts, so that being formed by epidermis layer surface forms opening, before obtaining
State described polyurethane composite sound isolating material.
Meanwhile above-mentioned preparation method provided by the present invention, by previously prepared sound insulation layer material, then by the puigging
Material is put into absorbent treatment and prepares in mold, and foaming forms absorbent treatment, and then corresponding polyurethane composite sound isolating material is made；It is this
Method makes prepared polyurethane composite sound isolating material avoid having excellent processing performance with glue sticking between two layers, making
It has preferable noise reduction process and excellent high temperature resistance to wideband noise (especially high frequency and hyperfrequency noise)
Can, it can be widely used for, electric vehicle, the pump housing of fuel oil car, motor noise-reducing processing.
Preferably, the solid content of the first release agent employed in the above-mentioned preparation method of the present invention is 2-15 weight %,
Preferably 4-10 weight %.
Preferably, the density of the first release agent employed in the above-mentioned preparation method of the present invention is 0.4-1g/cm3, excellent
It is selected as 0.5-0.9g/cm3；Solid content and density by adjusting the first release agent are conducive to fast demoulding and surface apertures are distributed
More evenly.
Preferably, the first release agent employed in the above-mentioned preparation method of the present invention demoulds for no silicone oil solvent type wax system
Agent；Have the effect of that foaming sound-absorbing material epidermis can be made to form open-celled structure using no silicone oil solvent type wax system release agent.It is excellent
Main component is paraffin or polyethylene wax in selection of land the first release agent of the present invention；It is preferably of the present invention molten
Also contain hydrogenate hydrocarbon in dosage form wax system release agent, the presence of hydrogenate hydrocarbon is also beneficial to absorbent treatment mesocuticle layer and reacts, promotes
The formation of aperture on epidermis.In addition, solvent type wax of the present invention system release agent can also contain some function additives,
Such as emulsifier, dispersing agent, preservative and other other auxiliary agents, can also contain solvent, for example, methylene chloride, alkane or
Cycloalkane etc..In the preferred case, solvent type wax of the present invention system's release agent is to be commercially available from Pei Xi company, Spain, board
Number be the Dongguan FDC-80, HA-108, LPFDC-81 and KW-135-505 Li Huanli ring limited liability company, trade mark MRA-40-
82, one of solvent type wax system release agent of the release agent of MRA-40-68 or MRA-6-82 or a variety of.
Provided preparation method according to the present invention wants the condition of molding of absorbent treatment in step S2 there is no special
It asks, as long as the first polyol system and the first isocyanates and its derivative hair in the first feedstock composition can be promoted
Raw reaction is to produce satisfactory polyurethane sound absorption layer.The condition of molding packet of the preferred absorbent treatment in the present invention
Include: it is 35-65 DEG C, preferably 45-60 DEG C, more preferably 50- that the first feedstock composition that temperature is 25 ± 2 DEG C, which is poured into temperature,
90-120s is formed in 60 DEG C of mold (liquid bath heating temperature).
In a preferred case, the step S2 includes: that (1) prepares solid content as 2-15 weight %, density 0.4-
1g/cm3The first release agent, it is spare；(2) it takes in the first molding die for forming the polyurethane composite sound isolating material, it is standby
With；(3) aforementioned first molding die is heated to 35-65 DEG C in such a way that liquid bath heats, is preferably 45-60 DEG C, more excellent
It is selected as 50-60 DEG C, the sound insulation layer material is placed in the bottom of first molding die, and be built-in with the puigging material
(spraying) first release agent is coated on the inner wall of first molding die of material；It then is 25 ± 2 DEG C by the temperature after mixing
The first feedstock composition be added to be located between the sound insulation layer material and first surface coated with the first release agent at
In type chamber, molding time 90-120s, natural cooling obtains the polyurethane composite sound isolating material after die sinking.
Preferably, first feedstock composition is with the dry weight (dry weight) of the first polyol system
Benchmark includes: the first polyisocyanates and its derivative of the first polyol system of 100 weight %, 30-60 weight %
Object, the foaming agent of 1-5 weight %, the catalyst of 0.1-1.2 weight %, the silicone oil of 0.2-1.2 weight % and 1-4 weight %
Antioxidant.
Provided preparation method according to the present invention, for the first polyol system in the first feedstock composition
There is no particular/special requirements for selection with the first polyisocyanates and its derivative, are referred to the conventional selection of this field, selection
The present invention be can be realized for the raw material of the requirements such as the porosity of sandwich layer, flow resistivity and density.In the present invention preferably described the
It include one or more polyols in one polyol system, and the number-average molecular weight of each polyol is
4000-6000g/mol, preferably 5000-6000g/mol, more preferably 5000g/mol；First polyisocyanates and its
The content of isocyanates (NCO) group is 27-32mmol/kg, preferably 29-30mmol/kg in derivative.
Provided preparation method according to the present invention can wherein join the step of previously prepared sound insulation layer material in step S1
The preparation method of sound insulation layer material is routinely prepared according to this field, such as under the condition of molding of the sound insulation layer material, second
In the presence of release agent, the sound insulation layer material is obtained by Material synthesis of the second feedstock composition；Second release agent with
First release agent is identical or different；Second feedstock composition includes the second polyol system and the second polyisocyanate
Cyanate and its derivative.
Provided preparation method according to the present invention, the preferably described sound insulation layer material, which has, is superimposed shape by the sub- puigging of multilayer
At composite construction, the step of previously prepared sound insulation layer material includes: the previously prepared first sub- puigging material in the step S1
Material, then sequentially forms the sub- puigging of multilayer on the surface of the described first sub- sound insulation layer material from inside to outside, obtains the sound insulation
Layer material.In this step, the preparation method of each sub- sound insulation layer material referring to aforementioned sound insulation layer material preparation step, wherein right
The ingredient of the second feedstock composition employed in each sub- puigging can be carried out according to the density requirements of required sub- puigging
It reasonably adjusts, on the basis of ingredient and the content requirement of stating the second mentioned feedstock composition before this invention, this field skill
Art personnel have the ability reasonably to adjust second feedstock composition, repeat no more to this.
Provided preparation method according to the present invention wants the second release agent employed in step S1 there is no special
It asks, can be identical as aforementioned first release agent, can also be different from aforementioned first release agent, it is referred to pair of this field
In the conventional selection of release agent, such as the second release agent that can choose includes but is not limited to be commercially available from Dongguan power ring power ring share
Co., Ltd, the release agent of the trade mark MRA-40-82, MRA-40-68 or MRA-6-82.Preferably, second release agent
Solid content is 4-10 weight %, density 0.7-0.85g/cm3。
Provided preparation method according to the present invention, for the condition of molding of puigging material in step S1, there is no special
It is required that as long as the second polyol system and the second polyisocyanates and its derivative in the second feedstock composition can be promoted
Object reacts to produce polyurethane.The condition of molding of the preferably sound insulation layer material includes: by temperature in the present invention
The die for molding 120-480s that temperature is 45-60 DEG C, preferably 50-55 DEG C is poured into for 25 ± 2 DEG C of the first feedstock compositions,
Preferably 240-360s.
In a preferred case, the step S1 includes: that (1) prepares solid content as 4-10 weight %, density 0.7-
0.8g/cm3The second release agent, it is spare；(2) puigging molding die is heated to 45-60 in such a way that liquid bath heats
DEG C, preferably 50-55 DEG C, and (spraying) second release agent is coated on the surface of the puigging molding die；Then it will mix
The second feedstock composition that temperature after closing stirring is 25 ± 2 DEG C is added into the molding die coated with the second release agent, at
The type time is 120-480s, preferably 240-360s, and natural cooling obtains the sound insulation layer material after die sinking.
Preferably, second feedstock composition is on the basis of the dry weight of the second polyol system, including
The second polyol system of 100 weight %, the second polyisocyanates of 40-70 weight % and its derivative, 0.5-3 weight
Measure the foaming agent of %, the catalyst of 0.5-4 weight %, the silicone oil of 0.25 weight % and the organic crosslinking agent of 1-20 weight %.
Provided preparation method according to the present invention, for the second polyol system in the second feedstock composition
There is no particular/special requirements for selection with the second polyisocyanates and its derivative, are referred to the conventional selection of this field, selection
The present invention be can be realized for the raw material of the density requirements of puigging.The preferred second polyol body in the present invention
It include one or more polyols in system, and the number-average molecular weight of each polyol is 3000-6000g/mol,
Preferably 4000-6000g/mol；The content of NCO group is 28-32mmol/ in second polyisocyanates and its derivative
Kg, preferably 29-30mmol/kg.
In addition, additionally provide a kind of polyurethane composite sound isolating material in the present invention, the polyurethane composite sound isolating material by
The above-mentioned preparation method of the present invention is prepared.The polyurethane composite sound isolating material has the aforementioned polyurethane complex sound insulation material of the present invention
Whole features of material have completely described whole features of polyurethane composite sound isolating material of the present invention in view of aforementioned, herein
It repeats no more.
As shown in FIG. 1, FIG. 1 is polyurethane composite sound isolating material mesocuticle layers prepared by the above method according to the present invention
A kind of exemplary SEM micrograph spectrum, as seen from Figure 1, needed for being formed on the epidermis of the polyurethane composite sound isolating material
Irregular aperture.It is preferred that the percent opening of the epidermis is 50-95%, preferably 60-95%, more preferably 70-95%, spy
It You Xuanwei not 80-95%, especially particularly preferably 85-95%.
As shown in Fig. 2, Fig. 2 is according to polyurethane composite sound isolating material S1 center core layer prepared by the above method of the present invention
A kind of exemplary SEM micrograph spectrum, its sandwich layer aperture is uniform as seen from Figure 2, has various sizes of aperture above macropore, opens
Porosity is higher, therefore generates viscous loss to sound wave, improves sound absorbing performance.It is preferred that the porosity of the sandwich layer of the sandwich layer
For 50-97%, pore-size distribution is in 50 μm of -1000 μ m, flow resistivity 10000-100000Ns/m4, density 30-
200kg/m3, preferably 80-120kg/m3.The porosity of the preferably described sandwich layer is 70-90%, pore-size distribution in the present invention
In 100-500 μ m, flow resistivity 2000-80000Ns/m4, density 80-120kg/m3。
In addition, additionally providing a kind of power device in the present invention, which includes noise generating unit, and package
In the acoustic material of the noise generating unit, which is polyurethane composite sound isolating material of the present invention.The noise occurs
Portion can be electronic and fuel vehicle high-pressure oil pump (1000-3000Hz), motor and automatically controlled (5000-12000Hz), power-assisted steering pump
(500-2500Hz), IGBT module (2500-10000Hz), the reluctant Kuanping Terrane of vacuum pump (500-1000Hz) occur
Portion.
Polyurethane composite sound isolating material of the present invention and preparation method thereof is further illustrated below with reference to specific embodiment
Beneficial effect.
Raw material and producer employed in following examples 1-8 and comparative example 1:
Polyether polyol (propylene oxide condensation product) PPG3000: being commercially available from Jining Hua Kai resin Co., Ltd, and number is divided equally
Son amount is 3000g/mol, degree of functionality 2, hydroxyl value 52-56, viscosity 480-540mPa.s；
Polyether polyol KE-510: it is commercially available can Leah polyalcohol Co., Ltd, number-average molecular weight 5000g/mol, official
Energy degree is 3, hydroxyl value 26-30, viscosity 800-100mPa.s；
Polyether polyol EP330N: Shandong blue star Dong great Chemical Co., Ltd., number-average molecular weight 5000g/ are commercially available from
Mol, degree of functionality 3, hydroxyl value 32-36, viscosity 800-1000mPa.s；
Polyether polyol 1027: Zhejiang Yong Jie automotive electronics Co., Ltd, number-average molecular weight 5000g/ are commercially available from
Mol, degree of functionality 3, hydroxyl value 26-30, viscosity 900-1100mPa.s；
Polyether polyol 3405: commercially available Shell Co. Ltd, number-average molecular weight 5000g/mol, degree of functionality 3, hydroxyl value are
26-30, viscosity 800-100mPa.s；
Polymeric MDI PM200 (polyisocyanates): being commercially available from Yantai Wanhua Chemical Co., Ltd., counts the content of NCO group
For 29-32mmol/kg；
Polymeric MDI 208 (polyisocyanates): being commercially available from Jining company, Hua Kai resin Co., Ltd, and the content of NCO group is
28-32mmol/kg；
TEDA-L33, TEDA-L33E (amine catalyst): it is commercially available from Tosoh chemical company；
Being commercially available from for NiaxA-1, NiaxA-33, NiaxA-31, NiaxA-230, NiaxA-510, NiaxA-507 steps way height
New material group
CAT-HP102F (amine catalyst): it is commercially available from Hensel Mann；
Stannous octoate T-9 (tin catalyst): it is commercially available from Jining Hua Kai resin Co., Ltd；
Dibutyl tin dilaurate T-12 (tin catalyst): it is commercially available from Jining Hua Kai resin Co., Ltd；
Silicone oil SG5020: it is commercially available from Hubei still industry science skill Materials Co., Ltd；
Silicone oil L-580K: it is commercially available from Mai Tu company, the U.S.；
Silicone oil G680, G780, G98: it is commercially available from Cangzhou Dong Su group；
Antioxidant 264: it is commercially available from Changzhou Xin Ce high molecular material company；
Crosslinking agent ethylene glycol: it is commercially available from Guangdong brilliance Science and Technology Ltd.；
Solvent type wax system release agent FDC-80: being commercially available from Pei Xi company, Spain, and main component is wax system release agent, admittedly contain
Amount is 4 weight %, density 0.8g/cm3；
Solvent type wax system release agent HA-108: being commercially available from Pei Xi company, Spain, and main component is wax system release agent, admittedly contain
Amount is 6 weight %, density 0.85g/cm3；
Solvent type wax system release agent LPFDC-81: being commercially available from Pei Xi company, Spain, and main component is wax system release agent, Gu
Content is 6.8 weight %, density 0.89g/cm3；
The Dongguan solvent type wax system release agent MRA-40-68 Li Huanli ring limited liability company, main component are the demoulding of wax system
Agent, solid content are 6 weight %, density 0.7g/cm3；
The Dongguan solvent type wax system release agent MRA-6-82 Li Huanli ring limited liability company, main component are the demoulding of wax system
Agent, solid content are 6 weight %, density 0.79g/cm3。
Measure the item and test method involved in following examples 1-8 and comparative example 1:
The measurement method of the percent opening of epidermis: three, sample for choosing surfacing are SEM, and each sample is chosen different
Regional observation surface aperture situation, and calculate the ratio of the area of the area of aperture and entire viewing area in each viewing area
Value obtains the percent opening of corresponding region, and takes 9 groups of data to do and averagely obtain the epidermis of corresponding polyurethane composite sound isolating material and open
Porosity (is measured) using the scientific imagery processing software Image J of National Institutes of Health design；
The measurement method in the aperture of epidermis aperture: three, sample for choosing surfacing are SEM, and each sample is chosen not
Same regional observation surface aperture situation, is measured the size in aperture, obtains its pore size distribution range and (ground using US National health
Study carefully the scientific imagery processing software Image J of institute's design)；
The measurement method of skin layer thickness: three groups of epidermis cross-sectional sample are taken, each sample takes different location to measure epidermis
Thickness degree obtains thickness distribution range；
The measurement method of the porosity of sandwich layer: using pressure/quality test method, used equipment are as follows: mecanum
Porosity test instrument-the PHI of company, tests the porosity of porous material；
The measurement method in the aperture of sandwich layer: coring layer material three under Scanning Electron microscopically observation area different zones
Distribution of cells is averaged and counts distributed area；
The measurement method of the flow resistivity of sandwich layer: referring to " measurement of GB/T 25077-2010 acoustics sound-absorbing porous material flow resistance "；
The measurement method of the density of the sandwich layer and puigging of absorbent treatment: referring to " GB T 6343-2009 foamed plastics and rubber
The measurement of glue apparent density "；
The heat resistance measurement method of absorbent treatment: four pieces of sample of same thickness (25mm) material 200*200mm are taken, three pieces are put into
Its heatproof anti-aging property is tested in baking oven (160 DEG C) with air blast, one piece is put into drier at room temperature, in same time
Surface state and the basis material Flexible changes such as (120h) takes out compare its discoloration afterwards, material surface becomes fragile, wrinkles；
The measurement method of the thickness of absorbent treatment and puigging: with the thickness of its absorbent treatment of tape measure.
Embodiment 1
First feedstock composition: the polyether polyol 1027 of 100g, the water of polymeric MDI PM200,3g of 45g, 0.1g amine
The antioxidant 264 of the silicone oil SG5020 and 2g of stannous octoate T-9,0.5g of catalyst TEDA-L33,0.5g.
Second feedstock composition: the water of polymeric MDI PM200,1.5g of polyether polyol 330N, 55g of 100g, 3g
The silicone oil 5020 of stannous octoate T-9,3g of amine catalyst TEDA-L33,0.4g and the crosslinking agent ethylene glycol of 16g.
The preparation of sound insulation layer material: (1) choosing solid content is 6 weight %, density 0.85g/cm3Release agent MRA-
40-68 is uniformly sprayed in die surface；(2) puigging molding die is heated to 60 DEG C by way of heating water bath, and
Aforementioned release agent MRA-40-68 is sprayed on the surface of the puigging molding die, it is spare；(3) by aforementioned second raw material group
Each raw material in object is closed to be uniformly mixed in high pressure foaming machine, obtaining temperature is 25 DEG C of the second raw mixture, and by this second
Raw mixture is poured into step (2) in the second molding die, forms 360s, natural cooling obtains the puigging after die sinking
Material.
The preparation of polyurethane composite sound isolating material: (1) choosing solid content is 4 weight %, density 0.8g/cm3Solvent
Type wax system release agent FDC-80, it is spare；(2) it takes in the first molding die for forming the polyurethane composite sound isolating material, it is standby
With；(3) each raw material in aforementioned first feedstock composition is uniformly mixed in high-pressure foam agent, obtains first that temperature is 25 DEG C
Raw mixture, it is spare；(4) aforementioned first molding die is heated to 55 DEG C by way of heating water bath, by the sound insulation
Layer material is placed in inside first molding die, and on the inner wall of the first molding die for being built-in with the sound insulation layer material
Second feedstock composition is then poured into described by the solvent type wax system release agent FDC-80 prepared in spraying process (1)
In first forming cavity on the surface of puigging material, 90s is formed, natural cooling obtains including absorbent treatment and puigging after die sinking
The polyurethane composite sound isolating material, the polyurethane composite sound isolating material are denoted as S1.
The detection of polyurethane composite sound isolating material: it is shown by SEM of the polyurethane composite sound isolating material S1 mesocuticle layer under 50 times
Micro- map is (attached to be not shown in the figure) as can be seen that being formed with irregular aperture on the epidermis of the polyurethane composite sound isolating material.
And the material property through detecting polyurethane composite sound isolating material S1 is as shown in the table.
Embodiment 2
First feedstock composition: the polymeric MDI 208 of polyether polyol P-5,60g of 100g, the water of 3g, 0.2g amine urge
The antioxidant 264 of the silicone oil L-580 and 2g of dibutyl tin dilaurate T-12,0.5g of agent CAT-N, 0.8g.
Second feedstock composition: polymeric MDI 208, the water of 4g, the amine of 0.5g of the polyether polyol 4110,70 of 100g are urged
The crosslinking agent ethylene glycol of the silicone oil L-580 and 16g of dibutyl tin dilaurate T-12,2g of agent CAT-N, 1.0g.
The preparation of sound insulation layer material: referring to embodiment 1, difference is to replace embodiment using above-mentioned second feedstock composition
Second feedstock composition in 1.
The preparation of polyurethane composite sound isolating material: referring to embodiment 1, difference was using above-mentioned first feedstock composition generation
For the first feedstock composition in embodiment 1, which is denoted as S2.
The detection of polyurethane composite sound isolating material: it is shown by SEM of the polyurethane composite sound isolating material S2 mesocuticle layer under 50 times
Micro- map is (attached to be not shown in the figure) as can be seen that being formed with irregular aperture on the epidermis of the polyurethane composite sound isolating material.
And the material property through detecting polyurethane composite sound isolating material S2 is as shown in the table.
Embodiment 3
First feedstock composition and the second feedstock composition: with embodiment 1.
The preparation of sound insulation layer material: referring to embodiment 1, difference is to form the puigging with a thickness of 15mm；
The preparation of polyurethane composite sound isolating material: referring to embodiment 1, difference is to form the absorbent treatment with a thickness of 20mm.
Prepared polyurethane composite sound isolating material is denoted as S3.
The detection of polyurethane composite sound isolating material: it is shown by SEM of the polyurethane composite sound isolating material S3 mesocuticle layer under 50 times
Micro- map is (attached to be not shown in the figure) as can be seen that being formed with irregular aperture on the epidermis of the polyurethane composite sound isolating material.
And the material property through detecting polyurethane composite sound isolating material S3 is as shown in the table.
Embodiment 4
First feedstock composition and the second feedstock composition: with embodiment 1.
The preparation of sound insulation layer material: with embodiment 1.
The preparation of polyurethane composite sound isolating material: referring to embodiment 1, difference is that solid content is prepared in step (1) is
6.8 weight %, density 0.89g/cm3Solvent type wax system release agent LPFDC-81, it is spare；Step (4) passes through heating water bath
Mode aforementioned first molding die is heated to 50 DEG C；Prepared polyurethane composite sound isolating material is denoted as S4.
The detection of polyurethane composite sound isolating material: it is shown by SEM of the polyurethane composite sound isolating material S4 mesocuticle layer under 50 times
Micro- map is (attached to be not shown in the figure) as can be seen that being formed with irregular aperture on the epidermis of the polyurethane composite sound isolating material.
And the material property through detecting polyurethane composite sound isolating material S4 is as shown in the table.
Embodiment 5
First feedstock composition and the second feedstock composition: with embodiment 1.
The preparation of sound insulation layer material: with embodiment 1.
The preparation of polyurethane composite sound isolating material: referring to embodiment 1, difference is that it is 6 that solid content is prepared in step (1)
Weight %, density 0.85g/cm3Solvent type wax system release agent HA-108, it is spare；Step (4) is by way of heating water bath
Aforementioned first molding die is heated to 50 DEG C；Prepared polyurethane composite sound isolating material is denoted as S5.
The detection of polyurethane composite sound isolating material: it is shown by SEM of the polyurethane composite sound isolating material S5 mesocuticle layer under 50 times
Micro- map is (attached to be not shown in the figure) as can be seen that being formed with irregular aperture on the epidermis of the polyurethane composite sound isolating material.
And the material property through detecting polyurethane composite sound isolating material S5 is as shown in the table.
Embodiment 6
First feedstock composition and the second feedstock composition: with embodiment 1.
The preparation of sound insulation layer material: with embodiment 1.
The preparation of polyurethane composite sound isolating material: referring to embodiment 1, difference is that it is 6 that solid content is prepared in step (1)
Weight %, density 0.7g/cm3Solvent type wax system release agent MRA-40-68, it is spare；The side that step (4) passes through heating water bath
Aforementioned first molding die is heated to 50 DEG C by formula；Prepared polyurethane composite sound isolating material is denoted as S6.
The detection of polyurethane composite sound isolating material: it is shown by SEM of the polyurethane composite sound isolating material S6 mesocuticle layer under 50 times
Micro- map is (attached to be not shown in the figure) as can be seen that being formed with irregular aperture on the epidermis of the polyurethane composite sound isolating material.
And the material property through detecting polyurethane composite sound isolating material S6 is as shown in the table.
Embodiment 7
First feedstock composition and the second feedstock composition: with embodiment 1.
The preparation of sound insulation layer material: with embodiment 1.
The preparation of polyurethane composite sound isolating material: referring to embodiment 1, difference is that solid content is prepared in step (1) is
6.8 weight %, density 0.89g/cm3Solvent type wax system release agent FDC-80, it is spare；Step (4) passes through heating water bath
Aforementioned first molding die is heated to 40 DEG C by mode；Prepared polyurethane composite sound isolating material is denoted as S7.
The detection of polyurethane composite sound isolating material: it is shown by SEM of the polyurethane composite sound isolating material S7 mesocuticle layer under 50 times
Micro- map is (attached to be not shown in the figure) as can be seen that being formed with irregular aperture on the epidermis of the polyurethane composite sound isolating material.
And the material property through detecting polyurethane composite sound isolating material S7 is as shown in the table.
Embodiment 8
First feedstock composition: the polyether polyol 1027 of 100g, the water of polymeric MDI PM200,6g of 60g, 0.4g amine
The silicone oil 5020 of stannous octoate T-9,1g of catalyst TEDA-L33,0.6g and the antioxidant 264 of 2g.
Second feedstock composition: polymeric MDI PM200,1g water of polyether polyol 330N, 70g of 100g, the amine of 0.2g are urged
Agent AN-33,0.8 stannous octoate T-9,2g silicone oil 5020 and 12g crosslinking agent ethylene glycol.
The preparation of sound insulation layer material: referring to embodiment 1, difference is to replace embodiment using above-mentioned second feedstock composition
Second feedstock composition in 1.
The preparation of polyurethane composite sound isolating material: referring to embodiment 1, difference was using above-mentioned first feedstock composition generation
For the first feedstock composition in embodiment 1, which is denoted as S8.
The detection of polyurethane composite sound isolating material: it is shown by SEM of the polyurethane composite sound isolating material S8 mesocuticle layer under 50 times
Micro- map is (attached to be not shown in the figure) as can be seen that being formed with irregular aperture on the epidermis of the polyurethane composite sound isolating material.
And the material property through detecting polyurethane composite sound isolating material S8 is as shown in the table.
Comparative example 1
First feedstock composition: with embodiment 1.
Second feedstock composition: with embodiment 1.
The preparation of sound insulation layer material: with embodiment 1.
The preparation of polyurethane composite sound isolating material: referring to embodiment 1, difference is that it is 6 that solid content is prepared in step (1)
Weight %, density 0.8g/cm3Aqueous (silicate-containing oil) release agent (being commercially available from Ken Tian company) of release agent, it is spare；Step (4)
Aforementioned first molding die is heated to 55 DEG C by way of heating water bath；Prepared polyurethane composite sound isolating material is denoted as
D1。
Polyurethane composite sound isolating material detection: by the SEM under 50 times of polyurethane composite sound isolating material D1 mesocuticle layer
Micro- map (Fig. 3) can be seen that the not formed aperture of epidermis of the polyurethane composite sound isolating material.And detected the polyurethane
The material property of composite sound isolating material D1 is as shown in the table.
Test:
Polyurethane composite sound isolating material S1-S8 and D1 prepared by previous embodiment 1-8 and comparative example 1 are absorbed sound
Coefficient test and sound transmission loss test:
Acoustic absorptivity test method: GBT 18696.2-2002 tests acoustic absorptivity, test result such as table using impedance tube
Shown in 1；
Sound insulation weight testing method: GBT 18696.2-2002 tests oise insulation factor, test result such as 2 institute of table using impedance tube
Show.Table 1.
| Frequency, Hz | S1 | S2 | S3 | S4 | S5 | S6 | S7 | S8 | D1 |
| 250 | 0.19 | 0.14 | 0.11 | 0.16 | 0.15 | 0.129 | 0.21 | 0.11 | 0.09 |
| 315 | 0.20 | 0.15 | 0.12 | 0.21 | 0.19 | 0.181 | 0.25 | 0.14 | 0.09 |
| 400 | 0.29 | 0.17 | 0.15 | 0.26 | 0.25 | 0.23 | 0.38 | 0.19 | 0.12 |
| 500 | 0.41 | 0.18 | 0.21 | 0.39 | 0.34 | 0.306 | 0.60 | 0.25 | 0.13 |
| 630 | 0.55 | 0.27 | 0.27 | 0.54 | 0.48 | 0.394 | 0.69 | 0.32 | 0.17 |
| 800 | 0.74 | 0.4 | 0.37 | 0.74 | 0.67 | 0.538 | 0.70 | 0.46 | 0.23 |
| 1000 | 0.88 | 0.63 | 0.50 | 0.88 | 0.84 | 0.703 | 0.66 | 0.62 | 0.32 |
| 1250 | 0.92 | 0.8 | 0.67 | 0.95 | 0.90 | 0.846 | 0.73 | 0.77 | 0.43 |
| 1600 | 0.98 | 0.87 | 0.88 | 0.99 | 0.95 | 0.956 | 0.80 | 0.90 | 0.53 |
| 2000 | 0.98 | 0.99 | 0.97 | 0.95 | 0.98 | 0.972 | 0.70 | 0.92 | 0.63 |
| 2500 | 0.90 | 0.94 | 0.93 | 0.84 | 0.91 | 0.892 | 0.62 | 0.84 | 0.77 |
| 3150 | 0.81 | 0.85 | 0.81 | 0.75 | 0.81 | 0.779 | 0.67 | 0.74 | 0.86 |
| 4000 | 0.84 | 0.78 | 0.73 | 0.81 | 0.77 | 0.751 | 0.81 | 0.72 | 0.83 |
| 5000 | 0.96 | 0.79 | 0.81 | 0.94 | 0.88 | 0.905 | 0.76 | 0.87 | 0.69 |
| 6300 | 0.96 | 0.81 | 0.95 | 0.92 | 0.91 | 0.94 | 0.78 | 0.92 | 0.77 |
| Average sound absorption | 0.71 | 0.58 | 0.57 | 0.69 | 0.67 | 0.64 | 0.62 | 0.59 | 0.49 |
Table 2.
| Frequency, Hz | S1 | S2 | S3 | S4 | S5 | S6 | S7 | S8 | D1 |
| 250 | 21.572 | 12.09 | 24.8 | 18.91 | 18.701 | 17.18 | 18.701 | 15.31 | 18.8 |
| 315 | 26.135 | 16.74 | 22.3 | 23.94 | 22.418 | 21.91 | 21.418 | 18.38 | 14.2 |
| 400 | 28.673 | 21.98 | 26.7 | 28.89 | 25.825 | 25.99 | 24.825 | 24.37 | 14.7 |
| 500 | 25.946 | 26.07 | 26.2 | 31.15 | 27.372 | 28.85 | 27.372 | 28.99 | 20.8 |
| 630 | 27.524 | 30.12 | 30.1 | 27.35 | 24.826 | 28.59 | 24.826 | 32.02 | 25.5 |
| 800 | 28.96 | 32.91 | 31.8 | 26.91 | 23.992 | 25.49 | 23.992 | 36.29 | 29.81 |
| 1000 | 28.413 | 28.21 | 32.8 | 26.58 | 25.044 | 25.07 | 25.044 | 41.15 | 35.04 |
| 1250 | 30.873 | 31.15 | 34.8 | 28.88 | 27.068 | 27.00 | 27.068 | 40.33 | 31.9 |
| 1600 | 26.588 | 27.56 | 35.83 | 29.03 | 27.786 | 27.58 | 27.786 | 36.8 | 27.5 |
| 2000 | 24.017 | 22.63 | 34.95 | 30.50 | 28.825 | 30.02 | 28.825 | 33.31 | 21.7 |
| 2500 | 28.937 | 24.82 | 40.05 | 33.45 | 31.259 | 35.30 | 31.259 | 32.3 | 20.3 |
| 3150 | 34.666 | 30.73 | 42.2 | 37.19 | 34.62 | 40.71 | 34.62 | 37.39 | 26.6 |
| 4000 | 39.318 | 35.84 | 44.02 | 40.20 | 37.475 | 45.21 | 38.475 | 43.72 | 31.5 |
| 5000 | 42.833 | 39.10 | 45.4 | 43.59 | 40.807 | 48.45 | 41.807 | 49.25 | 35.4 |
| 6300 | 42.85 | 38.00 | 46.75 | 44.59 | 41.616 | 49.42 | 42.616 | 53.59 | 35.72 |
The polyurethane composite sound isolating material S1- prepared according to the method for the present invention it can be seen from data in Tables 1 and 2
The sound absorption of S8 and soundproof effect are substantially better than using polyurethane composite sound isolating material D1 prepared by comparative example 1.And according to this hair
Polyurethane composite sound isolating material S1-S8 prepared by bright method is more suitable for the noise reduction process of wideband noise, even with
High frequency and hyperfrequency noise can also play preferable noise reduction effect.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail within the scope of the technical concept of the present invention can be with various simple variants of the technical solution of the present invention are made, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (55)
1. a kind of polyurethane composite sound isolating material, which is characterized in that the composite sound isolating material includes the compound absorbent treatment being affixed
And puigging；The absorbent treatment includes integrally formed epidermis and sandwich layer, the sandwich layer be located at the epidermis and it is described every
Between sound-absorbing layer；Irregular aperture is formed on the epidermis, and the percent opening of the epidermis is 50-95%；
Wherein, the thickness distribution of the epidermis is in 10-100 μ m；
Wherein, the irregular aperture is that shape and aperture do not have systematicness.
2. composite sound isolating material according to claim 1, wherein the percent opening of the epidermis is 60-95%.
3. composite sound isolating material according to claim 2, wherein the percent opening of the epidermis is 70-95%.
4. composite sound isolating material according to claim 3, wherein the percent opening of the epidermis is 80-95%.
5. composite sound isolating material as claimed in any of claims 1 to 4, wherein the hole of aperture in the epidermis
Diameter is distributed in 20-1000 μ m.
6. composite sound isolating material according to claim 5, wherein the pore-size distribution of aperture is in 40-400 in the epidermis
In μ m.
7. composite sound isolating material as claimed in any of claims 1 to 4, wherein the thickness distribution of the epidermis
In 10-40 μ m.
8. composite sound isolating material as claimed in any of claims 1 to 4, wherein the porosity of the sandwich layer is 50-
97%；The pore-size distribution of the sandwich layer is in 50-1000 μ m；The flow resistivity of the sandwich layer is 10000-100000N s/m4；
The density of the sandwich layer is 30-200kg/m3。
9. composite sound isolating material according to claim 8, wherein the density of the sandwich layer is 80-120kg/m3。
10. composite sound isolating material according to claim 8, wherein the heat resistance of the absorbent treatment is at 160 DEG C or more.
11. composite sound isolating material according to claim 8, wherein the absorbent treatment with a thickness of 10-40mm, it is described every
Sound-absorbing layer with a thickness of 5-20mm.
12. composite sound isolating material according to claim 11, wherein the absorbent treatment with a thickness of 20-30mm, it is described every
Sound-absorbing layer with a thickness of 5-15mm.
13. composite sound isolating material as claimed in any of claims 1 to 4, wherein the density of the puigging is
200-3000kg/m3。
14. composite sound isolating material according to claim 13, wherein the density 500-1000kg/m of the puigging3。
15. composite sound isolating material according to claim 13, wherein the puigging has to be superimposed by the sub- puigging of multilayer
The composite construction of formation.
16. composite sound isolating material as claimed in any of claims 1 to 4, wherein the absorbent treatment is by the first raw material
Composition is prepared, and first feedstock composition includes: 100 weights on the basis of the dry weight of the first polyol system
Measure the foaming of the first polyol system of %, the first polyisocyanates and its derivative, 1-5 weight % of 30-60 weight %
Agent, the catalyst of 0.1-1.2 weight %, the silicone oil of 0.2-1.2 weight % and 1-4 weight % antioxidant.
17. composite sound isolating material according to claim 16, wherein include one in the first polyol system
Kind or a variety of polyols, and the number-average molecular weight of each polyol is 4000-6000g/mol；More than described first
The content of NCO group is 27-32mmol/kg in isocyanates and its derivative.
18. composite sound isolating material according to claim 17, wherein include one in the first polyol system
Kind or a variety of polyols, and the number-average molecular weight of each polyol is 5000-6000g/mol；More than described first
The content of NCO group is 29-30mmol/kg in isocyanates and its derivative.
19. composite sound isolating material according to claim 16, wherein the antioxidant is selected from antioxidant 264, antioxidant
1135, one of irgasfos 168 and antioxidant 1098 or a variety of.
20. composite sound isolating material as claimed in any of claims 1 to 4, wherein the puigging is by the second raw material
Composition is prepared, and second feedstock composition includes: 100 weights on the basis of the dry weight of the second polyol system
Measure the second polyol system, the second polyisocyanates of 40-70 weight % and its hair of derivative, 0.5-3 weight % of %
Infusion, the catalyst of 0.5-4 weight %, the silicone oil of 0.2-5 weight % and 1-20 weight % organic crosslinking agent.
21. composite sound isolating material according to claim 20, wherein include one in the second polyol system
Kind or a variety of polyols, and the number-average molecular weight of each polyol is 3000-6000g/mol；More than described second
The content of NCO group is 28-32mmol/kg in isocyanates.
22. composite sound isolating material according to claim 21, wherein include one in the second polyol system
Kind or a variety of polyols, and the number-average molecular weight of each polyol is 4000-6000g/mol；More than described second
The content of NCO group is 29-30mmol/kg in isocyanates.
23. composite sound isolating material according to claim 20, wherein the number-average molecular weight of the organic crosslinking agent is less than
1000g/mol。
24. composite sound isolating material according to claim 23, wherein the organic crosslinking agent is ethylene glycol, propylene glycol, third
One of triol, butanediol, diethanol amine and triethanolamine are a variety of.
25. composite sound isolating material according to claim 16, wherein
The foaming agent is selected from one of water, cycloalkane, dialkyl ether, ring alkylene ether and fluoroalkane or a variety of；
The catalyst is amines catalyst and/or organo-metallic compound class catalyst；
The silicone oil be selected from SF-1109, L-520, L-521, DC-193,2270, SG5020,5058 L-580K, G680,
One of G780 and G980 or a variety of.
26. composite sound isolating material according to claim 20, wherein
The foaming agent is selected from one of water, cycloalkane, dialkyl ether, ring alkylene ether and fluoroalkane or a variety of；
The catalyst is amines catalyst and/or organo-metallic compound class catalyst；
The silicone oil be selected from SF-1109, L-520, L-521, DC-193,2270, SG5020,5058 L-580K, G680,
One of G780 and G980 or a variety of.
27. a kind of preparation method of polyurethane composite sound isolating material, which is characterized in that the polyurethane composite sound isolating material includes
The compound absorbent treatment and puigging being affixed, the preparation method comprises the following steps:
S1, previously prepared sound insulation layer material, it is spare；
S2, under absorbent treatment condition of molding, in the presence of the first release agent, be built in by raw material of the first feedstock composition
Absorbent treatment is formed on the surface of the sound insulation layer material in first mold, obtains the polyurethane composite sound isolating material；
The absorbent treatment includes integrally formed epidermis and sandwich layer, the sandwich layer be located at the epidermis and the puigging it
Between；Irregular aperture is formed on the epidermis, and the percent opening of the epidermis is 50-95%；Wherein, described irregular
Aperture is that shape and aperture do not have systematicness；
First release agent is solvent type wax system release agent；
First feedstock composition includes the first polyol system and the first polyisocyanates and its derivative.
28. preparation method according to claim 27, wherein the percent opening of the epidermis is 60-95%.
29. preparation method according to claim 28, wherein the percent opening of the epidermis is 70-95%.
30. preparation method according to claim 29, wherein the percent opening of the epidermis is 80-95%.
31. the preparation method according to any one of claim 27-30, wherein first release agent is no silicone oil
Solvent type wax system release agent.
32. preparation method according to claim 31, wherein the solid content of first release agent is 2-15 weight %.
33. preparation method according to claim 32, wherein the solid content of first release agent is 4-10 weight %.
34. preparation method according to claim 31, wherein the density of first release agent is 0.4-1g/cm3。
35. preparation method according to claim 34, wherein the density of first release agent is 0.5-0.9g/cm3。
36. preparation method according to claim 31, wherein first release agent be selected from FDC-80, HA-108,
One of LPFDC-81, KW-135-505, MRA-40-82, MRA-40-68 and MRA-6-82 or a variety of.
37. the preparation method according to any one of claim 27-30, wherein the condition of molding packet of the absorbent treatment
It includes: the first feedstock composition that temperature is 25 ± 2 DEG C is poured into the die for molding 90-120s that temperature is 35-65 DEG C.
38. the preparation method according to claim 37, wherein it is 25 that the condition of molding of the absorbent treatment, which includes: by temperature,
± 2 DEG C of the first feedstock composition pours into the die for molding 90-120s that temperature is 45-60 DEG C.
39. the preparation method according to claim 38, wherein it is 25 that the condition of molding of the absorbent treatment, which includes: by temperature,
± 2 DEG C of the first feedstock composition pours into the die for molding 90-120s that temperature is 50-60 DEG C.
40. the preparation method according to any one of claim 27-30, wherein first feedstock composition is with institute
State the first polyol system for including: 100 weight % on the basis of the dry weight of the first polyol system, 30-60 again
Measure the first polyisocyanates and its derivative, the foaming agent of 1-5 weight %, the catalyst of 0.1-1.2 weight %, 0.2-1.2 weight of %
Measure the silicone oil of % and the antioxidant of 1-4 weight %.
41. preparation method according to claim 40, wherein include in the first polyol system it is a kind of or
A variety of polyols, and the number-average molecular weight of each polyol is 4000-6000g/mol；The first polyisocyanate cyanogen
The content of NCO group is 27-32mmol/kg in acid esters and its derivative.
42. preparation method according to claim 41, wherein include in the first polyol system it is a kind of or
A variety of polyols, and the number-average molecular weight of each polyol is 5000-6000g/mol；The first polyisocyanate cyanogen
The content of NCO group is 29-30mmol/kg in acid esters and its derivative.
43. the preparation method according to any one of claim 27-30, wherein in the step S1 it is previously prepared every
The step of sound-absorbing layer material includes:
Under the condition of molding of the sound insulation layer material, in the presence of the second release agent, using the second feedstock composition as raw material
Synthesis obtains the sound insulation layer material；Second release agent and first release agent are identical or different；Second raw material
Composition includes the second polyol system and the second polyisocyanates and its derivative.
44. preparation method according to claim 43, wherein the sound insulation layer material has to be superimposed by the sub- puigging of multilayer
The composite construction of formation, the step of previously prepared sound insulation layer material includes: the previously prepared first sub- puigging in the step S1
Then material sequentially forms the sub- puigging of multilayer on the surface of the described first sub- sound insulation layer material from inside to outside, obtain it is described every
Sound-absorbing layer material.
45. preparation method according to claim 44, wherein the condition of molding of the sound insulation layer material includes: by temperature
The second die for molding 120-480s that temperature is 45-60 DEG C is poured into for 25 ± 2 DEG C of the second feedstock compositions.
46. preparation method according to claim 45, wherein the condition of molding of the sound insulation layer material includes: by temperature
The second die for molding 240-360s that temperature is 50-55 DEG C is poured into for 25 ± 2 DEG C of the second feedstock compositions.
47. preparation method according to claim 43, wherein second feedstock composition is polyhydroxylated with described second
It include: the second polyol system, the second polyisocyanate of 40-70 weight % of 100 weight % on the basis of the dry weight of conjunction objects system
Cyanate and its derivative, the foaming agent of 0.5-3 weight %, the catalyst of 0.5-4 weight %, 0.2-5 weight % silicone oil and
The organic crosslinking agent of 1-20 weight %.
48. preparation method according to claim 47, wherein include in the second polyol system it is a kind of or
A variety of polyols, and the number-average molecular weight of each polyol is 3000-6000g/mol；The second polyisocyanate cyanogen
The content of NCO group is 28-32mmol/kg in acid esters.
49. preparation method according to claim 48, wherein include in the second polyol system it is a kind of or
A variety of polyols, and the number-average molecular weight of each polyol is 4000-6000g/mol；The second polyisocyanate cyanogen
The content of NCO group is 29-30mmol/kg in acid esters.
50. preparation method according to claim 47, wherein the number-average molecular weight of the organic crosslinking agent is less than 1000g/
mol。
51. preparation method according to claim 50, wherein the organic crosslinking agent is ethylene glycol, propylene glycol, the third three
One of alcohol, butanediol, diethanol amine and triethanolamine are a variety of.
52. preparation method according to claim 40, wherein
The foaming agent is selected from one of water, cycloalkane, dialkyl ether, ring alkylene ether and fluoroalkane or a variety of；
The catalyst is the mixture of amines catalyst and/or organo-metallic compound class catalyst；
The silicone oil be selected from SF-1109, L-520, L-521, DC-193,2270, SG5020,5058 L-580K, G680,
One of G780 and G980 or a variety of.
53. preparation method according to claim 47, wherein
The foaming agent is selected from one of water, cycloalkane, dialkyl ether, ring alkylene ether and fluoroalkane or a variety of；
The catalyst is the mixture of amines catalyst and/or organo-metallic compound class catalyst；
The silicone oil be selected from SF-1109, L-520, L-521, DC-193,2270, SG5020,5058 L-580K, G680,
One of G780 and G980 or a variety of.
54. a kind of polyurethane composite sound isolating material, which is characterized in that the polyurethane composite sound isolating material by claim 27 to
Preparation method described in any one of 53 is prepared.
55. a kind of power device, the power device includes noise generation part, and is wrapped in the noise generation part
Acoustic material, which is characterized in that the acoustic material is that polyurethane described in any one of claim 1 to 26 and 54 is multiple
Close acoustic material.
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| JPH11104898A (en) * | 1997-10-03 | 1999-04-20 | Nisshinbo Ind Inc | Soundproof panel and its manufacture |
| JP2005193612A (en) * | 2004-01-09 | 2005-07-21 | Sanyo Chem Ind Ltd | Rigid polyurethane foam |
| CN101618611A (en) * | 2009-07-31 | 2010-01-06 | 北京市射线应用研究中心 | Urethane foam composite board and preparation method thereof |
| CN102529840A (en) * | 2010-12-23 | 2012-07-04 | 上海新安汽车隔音毡有限公司 | Automobile sound insulation pad in multi-layer structure and manufacturing method thereof |
| CN104070740A (en) * | 2013-03-25 | 2014-10-01 | 拜耳材料科技股份有限公司 | Sound-absorbing composite material and its use |
| CN106084749A (en) * | 2016-06-16 | 2016-11-09 | 江苏新光环保工程有限公司 | A kind of polyurethane sound absorption material and preparation method thereof |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11104898A (en) * | 1997-10-03 | 1999-04-20 | Nisshinbo Ind Inc | Soundproof panel and its manufacture |
| JP2005193612A (en) * | 2004-01-09 | 2005-07-21 | Sanyo Chem Ind Ltd | Rigid polyurethane foam |
| CN101618611A (en) * | 2009-07-31 | 2010-01-06 | 北京市射线应用研究中心 | Urethane foam composite board and preparation method thereof |
| CN102529840A (en) * | 2010-12-23 | 2012-07-04 | 上海新安汽车隔音毡有限公司 | Automobile sound insulation pad in multi-layer structure and manufacturing method thereof |
| CN104070740A (en) * | 2013-03-25 | 2014-10-01 | 拜耳材料科技股份有限公司 | Sound-absorbing composite material and its use |
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