CN103044827B - PVB (polyvinyl butyral) film having sound-insulating property and preparation method thereof - Google Patents
PVB (polyvinyl butyral) film having sound-insulating property and preparation method thereof Download PDFInfo
- Publication number
- CN103044827B CN103044827B CN201110312110.8A CN201110312110A CN103044827B CN 103044827 B CN103044827 B CN 103044827B CN 201110312110 A CN201110312110 A CN 201110312110A CN 103044827 B CN103044827 B CN 103044827B
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- Prior art keywords
- pvb
- sound
- film
- insulating property
- preparation
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- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 title abstract description 23
- 239000000843 powder Substances 0.000 claims abstract description 11
- 229920005989 resin Polymers 0.000 claims abstract description 11
- 239000011347 resin Substances 0.000 claims abstract description 11
- 239000006096 absorbing agent Substances 0.000 claims description 8
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 3
- 229940113115 polyethylene glycol 200 Drugs 0.000 claims description 2
- 230000008878 coupling Effects 0.000 abstract description 9
- 238000010168 coupling process Methods 0.000 abstract description 9
- 238000005859 coupling reaction Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000003756 stirring Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 abstract description 2
- 239000002202 Polyethylene glycol Substances 0.000 abstract 2
- 239000004014 plasticizer Substances 0.000 abstract 2
- 229920001223 polyethylene glycol Polymers 0.000 abstract 2
- 230000002745 absorbent Effects 0.000 abstract 1
- 239000002250 absorbent Substances 0.000 abstract 1
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- 230000003078 antioxidant effect Effects 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 229940006076 viscoelastic substance Drugs 0.000 abstract 1
- 239000003190 viscoelastic substance Substances 0.000 abstract 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 16
- -1 Polyoxyethylene Polymers 0.000 description 12
- 239000011521 glass Substances 0.000 description 10
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 7
- 239000004902 Softening Agent Substances 0.000 description 7
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 7
- 239000003112 inhibitor Substances 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- 239000005340 laminated glass Substances 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- MCPKSFINULVDNX-UHFFFAOYSA-N drometrizole Chemical compound CC1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 MCPKSFINULVDNX-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229940057847 polyethylene glycol 600 Drugs 0.000 description 3
- 229940085675 polyethylene glycol 800 Drugs 0.000 description 3
- GCDUWJFWXVRGSM-UHFFFAOYSA-N 2-[2-(2-heptanoyloxyethoxy)ethoxy]ethyl heptanoate Chemical compound CCCCCCC(=O)OCCOCCOCCOC(=O)CCCCCC GCDUWJFWXVRGSM-UHFFFAOYSA-N 0.000 description 2
- RYAIMSPHUVXLQI-UHFFFAOYSA-N 4-(aminomethyl)-2-(benzotriazol-2-yl)phenol Chemical compound NCC1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 RYAIMSPHUVXLQI-UHFFFAOYSA-N 0.000 description 2
- PYGXAGIECVVIOZ-UHFFFAOYSA-N Dibutyl decanedioate Chemical compound CCCCOC(=O)CCCCCCCCC(=O)OCCCC PYGXAGIECVVIOZ-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 229920002582 Polyethylene Glycol 600 Polymers 0.000 description 2
- 229920002593 Polyethylene Glycol 800 Polymers 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229960003511 macrogol Drugs 0.000 description 2
- GLDOVTGHNKAZLK-UHFFFAOYSA-N n-octadecyl alcohol Natural products CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 2
- UWHCKJMYHZGTIT-UHFFFAOYSA-N tetraethylene glycol Chemical compound OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 2
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 2
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 2
- OYUMYJKDVNCXAX-UHFFFAOYSA-N 2-(3,5-ditert-butyl-2-hydroxyphenyl)propanoic acid Chemical compound OC(=O)C(C)C1=CC(C(C)(C)C)=CC(C(C)(C)C)=C1O OYUMYJKDVNCXAX-UHFFFAOYSA-N 0.000 description 1
- 241001185697 Fenestella Species 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229940113116 polyethylene glycol 1000 Drugs 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 231100000817 safety factor Toxicity 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Abstract
The invention provides a PVB (polyvinyl butyral) film having sound-insulating property, which comprises the following components in percentage by mass: 10-30% of polyethyleneglycol, 19-40% of plasticizer, 40-70% of PVB resin powder, 0.1-2% of antioxidant and 0.05-1% of ultraviolet absorbent. The invention also provides a preparation method of the PVB film having sound-insulating property, which comprises the following steps: adding the viscoelastic substance polyethyleneglycol into the plasticizer, uniformly stirring, and then adding into the PVB resin powder; and plastifying in a plastic extruding machine, and performing film formation through a mold, thus obtaining the PVB film. The invention has the advantages of simple process, convenience in use and satisfactory effect, and can well lower the coupling frequency and further improve the sound-insulating property in comparison with the traditional PVB film.
Description
Technical field
The present invention relates to a kind of pvb film with sound-proofing properties and preparation method thereof.
Background technology
Since nineteen thirty-five, the U.S. has introduced polyvinyl butyral acetal (hereinafter referred to as PVB) diaphragm laminated glass since 1938 are used on automobile by legal provisions, particularly since 1964, in order to the safety of passenger, develop the pvb film laminated glass quilt of high penetrating power gradually, used as standard by a lot of country now.But along with the development in epoch, the requirement of passenger progressively improves, so just need exploitation to have the pvb film of specific function to produce laminated glass, wherein sound insulation most is representative.
Sound is a kind of wave of oscillation, and the sound frequency that people's ear can be heard is: 20 ~ 20000Hz, and frequency responsive is especially 1000 ~ 4000Hz.Reducing noise for the comfortableness of passenger is a very important factor, is also very important safety factors (noise pollution) simultaneously, because noise reduces working efficiency, affects comfortableness.Past people utilize solid or a large amount of product design units usually to increase thickness of glass usually, to improve the sound-proofing properties of glass, but along with people are to the pay attention to day by day of environmental problem, the limitation of Glass Design, increase thickness and hardness have certain restriction, " environmental protection " has also become the matter of utmost importance that automaker faces, and wherein automotive light weight technology then rises to Consideration important in Automobile Design.Therefore can only increase decay, by adding viscoelastic plastics, noise be become vibrational energy, and then become heat energy.Therefore, the noise that the noise, road traffic noise, undesirable sound of the wind etc. that how to reduce engine can import into is the key subjects of.Using PVB doubling glass both can solve noise problem, can solve automotive light weight technology problem again, be a very large progress, but common PVB doubling glass can not solve the coupling frequency of glass, and noise reduction is limited, and this just needs to develop high performance pvb film.High-performance acoustic diaphragm, can make automobile greatly alleviate complete vehicle weight.Meanwhile, the high-performance of PVB does not affect the security of automobile.Therefore, exploitation PVB sound insulation diaphragm is necessary, has significant economic benefit and social benefit.
Each glass has a coupling frequency, and in this frequency, sound attenuating is very low, and the vibrations of glass and sound vibrations are very close, and sound easily penetrates glass and do not decay.Because coupling frequency within the scope of the sensitive frequency of people's ear, improves the key that coupling frequency is noise reduction, compared with single-glass, the pvb film of same thickness has Noise Reduction, but coupling frequency still exists, therefore, general pvb film is not enough to reach good noise reduction.
Summary of the invention
The invention provides a kind of pvb film with sound-proofing properties and preparation method thereof, its pvb film provided can reduce coupling frequency well, has good noise reduction.
Have a pvb film for sound-proofing properties, its component and mass percent are:
Polyoxyethylene glycol: 10-30%
Softening agent: 19-40%
PVB resin powder: 40-70%
Oxidation inhibitor: 0.1-2%
UV light absorber: 0.05-1%.
The pvb film of sound-proofing properties as above, described polyoxyethylene glycol is the one in Macrogol 200, Polyethylene Glycol-600, polyethylene glycol-800.
The pvb film of sound-proofing properties as above, described softening agent is the one in triglycol two 2-ethylhexoate (3GO), Tetraglycol 99 two 2-ethylhexoate (4GO), Triethyleneglycol di n heptanoate (3G7), Uniflex DBS (DBS).
The pvb film of sound-proofing properties as above, described oxidation inhibitor is β-(3,5-di-tert-butyl-hydroxy phenyl) the positive octadecanol ester (1076) of propionic acid or β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid isooctyl alcohol ester (1135).
The pvb film of sound-proofing properties as above, described UV light absorber is 2,4-di-t-butyl-6-(5-chloro-benzotriazole-2-base) phenol (327) or 2-(2 '-hydroxyl-5 '-aminomethyl phenyl) benzotriazole (UV-P).
There is a preparation method for the pvb film of sound-proofing properties, get each component according to following mass percent:
Polyoxyethylene glycol: 10-30%
Softening agent: 19-40%
PVB resin powder: 40-70%
Oxidation inhibitor: 0.1-2%
UV light absorber: 0.05-1%,
Polyoxyethylene glycol is added in softening agent, then add oxidation inhibitor, UV light absorber stirs, then join in PVB resin powder, in high-speed mixer after Homogeneous phase mixing, plastified at the temperature of 140 DEG C-170 DEG C by Bitruder, there is described in being obtained by mould film forming the pvb film of sound-proofing properties.
Preparation method as above, described polyoxyethylene glycol is the one in Macrogol 200, Polyethylene Glycol-600, polyethylene glycol-800.
Preparation method as above, described softening agent is the one in triglycol two 2-ethylhexoate, Tetraglycol 99 two 2-ethylhexoate, Triethyleneglycol di n heptanoate, Uniflex DBS.
Preparation method as above, described oxidation inhibitor is β-positive octadecanol ester of (3,5-di-tert-butyl-hydroxy phenyl) propionic acid or β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid isooctyl alcohol ester.
Preparation method as above, described UV light absorber is 2,4-di-t-butyl-6-(5-chloro-benzotriazole-2-base) phenol or 2-(2 '-hydroxyl-5 '-aminomethyl phenyl) benzotriazole.
The material polyoxyethylene glycol with visco-elasticity is added in softening agent by the present invention, be added to again after stirring evenly in PVB resin powder, plastify in extruding machine by mould film forming and obtain pvb film, technique is simple, easy to use, effect is better, compared with traditional pvb film, coupling frequency can be reduced well, improve sound-proofing properties further.
Accompanying drawing explanation
The schematic flow sheet that the soundproof effect of Fig. 1 embodiment of the present invention to pvb film is evaluated;
Fig. 2 is the sound-proofing properties comparison diagram of the pvb film of the embodiment of the present invention 1 and comparative example.
Embodiment
Below by specific embodiment, the invention will be further described, but the present invention is not limited in these embodiments.
Embodiment 1
Taking polyethylene glycol 200:100g, 3G7:300g, PVB resin powder: 600g, antioxidant 1076: 10g, UV light absorber 327:5g, in high-speed mixer after Homogeneous phase mixing, plastified at the temperature of 160 DEG C by Bitruder, there is described in being obtained by mould film forming the pvb film of sound-proofing properties.
Embodiment 2
Taking polyethylene glycol 600:200g, 4GO:300g, PVB resin powder: 500g, oxidation inhibitor 1135:16g, Ultraviolet Absorber UV-P: 5g, in high-speed mixer after Homogeneous phase mixing, plastified at the temperature of 140 DEG C by Bitruder, there is described in being obtained by mould film forming the pvb film of sound-proofing properties.
Embodiment 3
Taking polyethylene glycol 800:200g, DBS:200g, PVB resin powder: 700g, antioxidant 1076: 15g, UV light absorber 327:8g, in high-speed mixer after Homogeneous phase mixing, plastified at the temperature of 170 DEG C by Bitruder, there is described in being obtained by mould film forming the pvb film of sound-proofing properties.
Embodiment 4
Taking polyethylene glycol 1000:200g, 3G8:200g, PVB resin powder: 600g, oxidation inhibitor 1135:20g, Ultraviolet Absorber UV-P: 10g, in high-speed mixer after Homogeneous phase mixing, plastified at the temperature of 160 DEG C by Bitruder, there is described in being obtained by mould film forming the pvb film of sound-proofing properties.
Comparative example
Do not add polyoxyethylene glycol, softening agent changes 400g into, and other are with embodiment 1, in high-speed mixer after Homogeneous phase mixing, is plastified at the temperature of 160 DEG C by Bitruder, has the pvb film of sound-proofing properties by mould film forming described in being obtained.
Pvb film embodiment 1 made closes after sheet makes laminated glass and evaluates with sound insulation valuator device, concrete evaluation rubric please refer to Fig. 1, pvb film embodiment 1 made closes sheet and makes laminated glass in autoclave, a blank (comparative example) is under similarity condition, adopt self-designed soundproof box, the whole sound insulation of surrounding and bottom, the fenestella only staying top to open one 15 × 20cm places sample, inside and outside put sensor noise, the noise of 100 ~ 5000Hz play outward by case, then utilize psophometer measurement noise inside and outside to pass judgment on the soundproof effect of sample, test comparison result is shown in Fig. 2, as can be seen from Figure 2, the soundproof effect of embodiment 1 is obviously better than comparative example, and coupling frequency (2500Hz) also reduces a lot.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly belongs to those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (1)
1. there is a preparation method for the pvb film of sound-proofing properties, it is characterized in that:
Taking polyethylene glycol 200:100g, 3G7:300g, PVB resin powder: 600g, antioxidant 1076: 10g, UV light absorber 327:5g, in high-speed mixer after Homogeneous phase mixing, plastified at the temperature of 160 DEG C by Bitruder, there is described in being obtained by mould film forming the pvb film of sound-proofing properties.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110312110.8A CN103044827B (en) | 2011-10-14 | 2011-10-14 | PVB (polyvinyl butyral) film having sound-insulating property and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110312110.8A CN103044827B (en) | 2011-10-14 | 2011-10-14 | PVB (polyvinyl butyral) film having sound-insulating property and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103044827A CN103044827A (en) | 2013-04-17 |
| CN103044827B true CN103044827B (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110312110.8A Active CN103044827B (en) | 2011-10-14 | 2011-10-14 | PVB (polyvinyl butyral) film having sound-insulating property and preparation method thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107323056A (en) * | 2017-06-02 | 2017-11-07 | 忠信（清远）光伏材料科技有限公司 | A kind of PVB films and preparation method with sound insulation value |
| CN109320103A (en) * | 2018-09-30 | 2019-02-12 | 江苏耀兴安全玻璃有限公司 | A kind of preparation method of diaphragm sound laminated glass |
| CN109762491B (en) * | 2019-02-13 | 2020-12-22 | 长春工业大学 | Sound-insulation polyvinyl butyral film and preparation method thereof |
| CN109823007B (en) * | 2019-03-29 | 2021-07-27 | 长春工业大学 | PVB sound-insulation laminated glass and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI254703B (en) * | 1999-08-16 | 2006-05-11 | Kuraray Specialities Europe | Laminated safety glass and PVB film for producing the same |
| CN101700707A (en) * | 2009-11-05 | 2010-05-05 | 广州市奥吉斯新材料有限公司 | Heat and sound insulation explosion preventing film and production method and application thereof |
-
2011
- 2011-10-14 CN CN201110312110.8A patent/CN103044827B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI254703B (en) * | 1999-08-16 | 2006-05-11 | Kuraray Specialities Europe | Laminated safety glass and PVB film for producing the same |
| CN101700707A (en) * | 2009-11-05 | 2010-05-05 | 广州市奥吉斯新材料有限公司 | Heat and sound insulation explosion preventing film and production method and application thereof |
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| CN103044827A (en) | 2013-04-17 |
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