CN103531328B - Magnetic pvb film of a kind of tool and preparation method thereof - Google Patents
Magnetic pvb film of a kind of tool and preparation method thereof Download PDFInfo
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- CN103531328B CN103531328B CN201310454267.3A CN201310454267A CN103531328B CN 103531328 B CN103531328 B CN 103531328B CN 201310454267 A CN201310454267 A CN 201310454267A CN 103531328 B CN103531328 B CN 103531328B
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 76
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 26
- 239000004014 plasticizer Substances 0.000 claims abstract description 23
- 229920005989 resin Polymers 0.000 claims abstract description 22
- 239000011347 resin Substances 0.000 claims abstract description 22
- 239000007822 coupling agent Substances 0.000 claims abstract description 19
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims abstract description 12
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 10
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 10
- 239000003381 stabilizer Substances 0.000 claims abstract description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 12
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical group CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 5
- 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 4
- GCDUWJFWXVRGSM-UHFFFAOYSA-N 2-[2-(2-heptanoyloxyethoxy)ethoxy]ethyl heptanoate Chemical compound CCCCCCC(=O)OCCOCCOCCOC(=O)CCCCCC GCDUWJFWXVRGSM-UHFFFAOYSA-N 0.000 claims description 3
- PYGXAGIECVVIOZ-UHFFFAOYSA-N Dibutyl decanedioate Chemical compound CCCCOC(=O)CCCCCCCCC(=O)OCCCC PYGXAGIECVVIOZ-UHFFFAOYSA-N 0.000 claims description 3
- 230000005294 ferromagnetic effect Effects 0.000 claims description 3
- OJXOOFXUHZAXLO-UHFFFAOYSA-M magnesium;1-bromo-3-methanidylbenzene;bromide Chemical compound [Mg+2].[Br-].[CH2-]C1=CC=CC(Br)=C1 OJXOOFXUHZAXLO-UHFFFAOYSA-M 0.000 claims description 3
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
- 150000002910 rare earth metals Chemical class 0.000 claims description 3
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000011521 glass Substances 0.000 abstract description 7
- 230000001070 adhesive effect Effects 0.000 abstract description 6
- 239000000853 adhesive Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 2
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 25
- 239000005336 safety glass Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000006247 magnetic powder Substances 0.000 description 3
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012412 chemical coupling Methods 0.000 description 1
- KPLQYGBQNPPQGA-UHFFFAOYSA-N cobalt samarium Chemical compound [Co].[Sm] KPLQYGBQNPPQGA-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- HHECSPXBQJHZAF-UHFFFAOYSA-N dihexyl hexanedioate Chemical compound CCCCCCOC(=O)CCCCC(=O)OCCCCCC HHECSPXBQJHZAF-UHFFFAOYSA-N 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000005340 laminated glass Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
Abstract
The invention provides the magnetic pvb film of a kind of tool, its component and mass fraction are: PVB resin powder: 10-30 part; Plasticizer: 5-10 part; Magnetic: 60-90 part; Antioxidant: 0.1-0.5 part; Ultra-violet absorber: 0.1-0.5 part; Coupling agent: 0.2-2 part, the preparation method of the magnetic pvb film of above-mentioned tool: the magnetic of above-mentioned span and coupling agent and 0.2-2 part plasticizer are carried out premixed, then be mixed together evenly with the plasticizer of resin-oatmeal, surplus, stabilizer, use extruding forming method moulded products, then, in magnetic field, it is made to magnetize through secondary operations.The magnetic pvb film of tool of the present invention, light weight, pliable and tough, magnetic stability, have fabulous chemical stability, high with glass adhesive strength.
Description
Technical field
The invention belongs to thermoplastic macromolecule material technical field, particularly magnetic pvb film of a kind of tool and preparation method thereof.
Background technology
Current polyvinyl butyral resin (PVB) is under catalyst action, through the synthetic resin that hutanal and the PVA aqueous solution carry out condensation reaction and obtain, there is transparent, fast light, weather-proof, film forming and erosion-resisting characteristics, good adhesive property is had to glass, metal, timber, pottery, leather, fiber and other material, be the adhesive that glass is best in the world, therefore its main application is as intermediate adhesion thin layer in laminated safety glass manufactures.At present, the PVB of about 90% is for the production of building and the safety glass of automobile industry.
In recent years, along with the development of national economy, automobile and building trade are developed rapidly, the development of these two industries directly have stimulated the great demand to safety glass, and laminated safety glass is occupied an leading position in current safety glass, compared with other safety glass such as toughened glass, wire glass, laminated safety glass has incomparable superior function.But along with the development in epoch, the requirement of people progressively improves, so just need exploitation to have the pvb film of specific function to produce laminated glass, wherein magnetic pvb film has broad application prospects.
Magnet refers to the object or material that can produce magnetic field, has ferromagnetism, usually can be divided into ferrite lattice and rare element magnet by material.Along with the develop rapidly of magnetics science and technology, magnet has been widely used in daily life, and ferromagnetic material also makes element more miniaturized.But the intrinsic weight of magnet greatly, the shortcoming such as firmly crisp, poor processability governs the development of magnet.
By by PVB resin powder and magnetic iron powder hybrid process shaping, make the magnetic pvb film of tool, just can in conjunction with the advantage of magnet and PVB, obtain light weight, pliable and tough, good processability, stable chemical performance, the magnetic pvb film high with glass adhesive strength.If but directly magnetic is joined in PVB resin powder, due to the two poor compatibility, and addition is large again, and be easy to cause magnetic to disperse uneven, processing difficulties, therefore must solve the consistency problem of PVB resin and magnetic.
Summary of the invention
The invention provides magnetic pvb film of a kind of tool and preparation method thereof, in its pvb film provided, PVB resin powder and magnetic compatibility are good, the magnetic pvb film light weight obtained, pliable and tough, good processability, stable chemical performance, high with glass adhesive strength.
The magnetic pvb film of a kind of tool, its component and number are: PVB resin powder: 10-30 part; Plasticizer: 5-10 part; Magnetic: 60-90 part; Antioxidant: 0.1-0.5 part; Ultra-violet absorber: 0.1-0.5 part; Coupling agent: 0.2-2 part.
The magnetic pvb film of tool as above, described plasticizer is the one in triethylene glycol two tricaprylate, Triethyleneglycol di n heptanoate, dihexyl adipate, dibutyl sebacate.
The magnetic pvb film of tool as above, described magnetic is ferromagnetic oxide powder or rare earth magnet powders.
The magnetic pvb film of tool as above, described antioxidant is antioxidant 1010 or antioxidant 1076.
The magnetic pvb film of tool as above, described ultra-violet absorber is UV-326 or UV-327.
The magnetic pvb film of tool as above, described coupling agent is titanate esters.
Titanate coupling agent, for thermal plastic polymer and dry inorganic matter, has good coupling effect.This kind of coupling agent can use general formula: ROO (4-n) Ti (OX-R ' Y) n (n=2,3) to represent, wherein RO-is hydrolyzable lower alkyloxy, can react, thus reach the object of chemical coupling with mineral surfaces hydroxyl; OX-can be carboxyl, alkoxyl, sulfonic group, phosphorus base etc., and these groups are very important, determines the specific function that titanate esters has, and as sulfonic group gives organic substance certain thixotropy, pyrophosphoryl oxygen base has fire-retardant, antirust, and strengthens bonding performance.
Using titanate esters as coupling agent, coupling processing is carried out to PVB resin powder and magnetic, improve the compatibility of magnetic and resin-oatmeal, improve processing fluidity and the physical and mechanical properties of system, apparent viscosity is obviously declined, effectively can improve the magnetic property of system.
The present invention additionally provides the preparation method of the magnetic pvb film of above-mentioned tool simultaneously, according to following mass fraction is: PVB resin powder: 10-30 part; Plasticizer: 5-10 part; Magnetic: 60-90 part; Antioxidant: 0.1-0.5 part; Ultra-violet absorber: 0.1-0.5 part; Coupling agent: 0.2-2 part.
The plasticizer of selected magnetic and coupling agent and 0.2-2 part is dropped into after mixing in high-speed mixer, add PVB resin powder again, the plasticizer of surplus, stabilizer continue to mix, plastified at the temperature of 140 DEG C-170 DEG C by double screw extruder, by mould film forming, then, in magnetic field, make it magnetize through secondary operations and obtain the magnetic pvb film of described tool.
The invention has the beneficial effects as follows:
1, using titanate esters as coupling agent, coupling processing is carried out to PVB resin powder and magnetic, improve the compatibility of magnetic and resin-oatmeal, improve processing fluidity and the physical and mechanical properties of system, apparent viscosity is obviously declined, effectively can improve the magnetic property of system.
2, by the Compound Machining of magnetic and PVB resin powder, the shortcoming that common magnet has is avoided, the magnetic pvb film light weight obtained, pliable and tough, good processability, stable chemical performance, high with glass adhesive strength.
Embodiment
The magnetic pvb film of a kind of tool, its component and number are: PVB resin powder: 10-30 part; Plasticizer: 5-10 part; Magnetic: 60-90 part; Antioxidant: 0.1-0.5 part; Ultra-violet absorber: 0.1-0.5 part; Coupling agent: 0.2-2 part.
The magnetic pvb film of tool as above, described plasticizer is the one in triethylene glycol two tricaprylate, Triethyleneglycol di n heptanoate, dihexyl adipate, dibutyl sebacate.
The magnetic pvb film of tool as above, described magnetic is ferromagnetic oxide powder or rare earth magnet powders.
The magnetic pvb film of tool as above, described antioxidant is antioxidant 1010 or antioxidant 1076.
The magnetic pvb film of tool as above, described ultra-violet absorber is UV-326 or UV-327.
The magnetic pvb film of tool as above, described coupling agent is titanate esters.
The preparation method of the magnetic pvb film of above-mentioned tool, according to following mass fraction is: PVB resin powder: 10-30 part; Plasticizer: 5-10 part; Magnetic: 60-90 part; Antioxidant: 0.1-0.5 part; Ultra-violet absorber: 0.1-0.5 part; Coupling agent: 0.2-2 part;
The plasticizer of selected magnetic and coupling agent and 0.2-2 part is dropped into after mixing in high-speed mixer, add PVB resin powder again, the plasticizer of surplus, stabilizer continue to mix, plastified at the temperature of 140 DEG C-170 DEG C by double screw extruder, by mould film forming, then, in magnetic field, make it magnetize through secondary operations and obtain the magnetic pvb film of described tool.
As long as value is weighed and operated by above-mentioned preparation method in above-mentioned compositional range, the magnetic pvb film of the tool meeting above-mentioned beneficial effect all can be prepared.
Embodiment 1
Get strontium ferrite magnetic powder: 45Kg, titanate esters: 0.6Kg, plasticizer 3G8:0.6Kg, premixed 5 minutes in input high-speed mixer, then PVB resin powder is added: 20Kg, plasticizer 3G8:6.4Kg, antioxidant 1010: 0.2Kg, ultra-violet absorber UV-327:0.2Kg, continue mixing 5 minutes until evenly, plastified at the temperature of 150 DEG C by double screw extruder, by mould film forming, adjust the die lip gap of die head and the hauling speed of chill roll, to make the thickness of the PVB film produced for 0.76mm, finally, in magnetic field, make it magnetize through secondary operations and obtain the magnetic pvb film of described tool.
Embodiment 2
Get barium ferrite magnetic powder: 50Kg, titanate esters: 0.5Kg, plasticizer dihexyl adipate: 0.5Kg, premixed 5 minutes in input high-speed mixer, then PVB resin powder is added: 15Kg, plasticizer DHA:4.5Kg, antioxidant 1076: 0.18Kg, ultraviolet absorbent uv-326: 0.18Kg, continue mixing 5 minutes until evenly, plastified at the temperature of 140 DEG C by double screw extruder, by mould film forming, adjust the die lip gap of die head and the hauling speed of chill roll, to make the thickness of the PVB film produced for 0.76mm, finally, in magnetic field, make it magnetize through secondary operations and obtain the magnetic pvb film of described tool.
Embodiment 3
Get samarium-cobalt magnetic powder: 55Kg, titanate esters: 0.4Kg, plasticizer DBS:0.4Kg, premixed 5 minutes in input high-speed mixer, then PVB resin powder is added: 12Kg, plasticizer DBS:4.6Kg, antioxidant 1010: 0.25Kg, ultra-violet absorber UV-327:0.25Kg, continue mixing 5 minutes until evenly, plastified at the temperature of 160 DEG C by double screw extruder, by mould film forming, adjust the die lip gap of die head and the hauling speed of chill roll, to make the thickness of the PVB film produced for 0.76mm, finally, in magnetic field, make it magnetize through secondary operations and obtain the magnetic pvb film of described tool.
Comparative example
Do not add titanate esters, the other the same as in Example 1, after mixing in high-speed mixer, plastified at the temperature of 150 DEG C by double screw extruder, by mould film forming, adjust the die lip gap of die head and the hauling speed of chill roll, to make the thickness of the PVB film produced for 0.76mm, finally, in magnetic field, make it magnetize through secondary operations and obtain the magnetic pvb film of described tool.
Measure the magnetic characteristic (coercive force) of the pvb film that embodiment 1-3 and comparative example obtain with vibration sample formula magnetometer (VSM), and embodiment 1 and comparative example are compared, result is as shown in table 1 below.
Table 1
| Sample name | Coercivity H b (kOe) |
| Embodiment 1 | 1.68 |
| Embodiment 2 | 2.23 |
| Embodiment 3 | 4.29 |
| Comparative example | 1.07 |
Can confirm from table 1, the coercive force of the pvb film that embodiment 1 obtains obviously is better than comparative example.This result shows, and at identical conditions, carries out coupling processing using titanate esters as coupling agent to PVB resin powder and magnetic, the compatibility both improving, effectively can improve the magnetic property of system.
Above-mentioned enforcement is only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly belong 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 range of claim.
Claims (2)
1. the magnetic pvb film of tool, is characterized in that: its component and mass fraction are: PVB resin powder: 10-30 part; Plasticizer: 5-10 part; Magnetic: 60-90 part; Antioxidant: 0.1-0.5 part; Ultra-violet absorber: 0.1-0.5 part; Coupling agent: 0.2-2 part;
Described plasticizer is the one in triethylene glycol two tricaprylate, Triethyleneglycol di n heptanoate, dihexyl adipate, dibutyl sebacate;
Described magnetic is ferromagnetic oxide powder or rare earth magnet powders;
Described antioxidant is antioxidant 1010 or antioxidant 1076;
Described ultra-violet absorber is UV-326 or UV-327;
Described coupling agent is titanate esters.
2. the preparation method of the magnetic pvb film of a kind of tool as claimed in claim 1, is characterized in that: get each component according to following mass fraction:
PVB resin powder: 10-30 part; Plasticizer: 5-10 part; Magnetic: 60-90 part; Antioxidant: 0.1-0.5 part;
Ultra-violet absorber: 0.1-0.5 part; Coupling agent: 0.2-2 part;
The plasticizer of selected magnetic and coupling agent and 0.2-2 part is dropped into after mixing in high-speed mixer, add PVB resin powder again, the plasticizer of surplus, stabilizer continue to mix, plastified at the temperature of 140 DEG C-170 DEG C by double screw extruder, by mould film forming, then, in magnetic field, make it magnetize through secondary operations and obtain the magnetic pvb film of described tool.
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| CN201310454267.3A CN103531328B (en) | 2013-09-27 | 2013-09-27 | Magnetic pvb film of a kind of tool and preparation method thereof |
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| CN201310454267.3A CN103531328B (en) | 2013-09-27 | 2013-09-27 | Magnetic pvb film of a kind of tool and preparation method thereof |
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| CN103531328A CN103531328A (en) | 2014-01-22 |
| CN103531328B true CN103531328B (en) | 2015-12-02 |
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| CN104217833B (en) * | 2014-07-07 | 2017-06-06 | 东莞市美厚塑磁有限公司 | A kind of ageing-resistant wear-resisting bonded Permanet ferrite materialses and preparation method thereof |
| CN108395678A (en) * | 2018-01-10 | 2018-08-14 | 惠州艺都文化用品有限公司 | A kind of magnetism card-protecting film and preparation method thereof |
| WO2022255981A1 (en) * | 2021-06-02 | 2022-12-08 | Bahcesehir Universitesi | A production method for magnetic based flexible test kit and skin patch |
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| CN101608046A (en) * | 2008-06-20 | 2009-12-23 | 鹤壁市飞鹤塑胶有限公司 | PVB film for laminated glass |
| CN102417682A (en) * | 2011-09-29 | 2012-04-18 | 浙江农林大学 | High tensile strength multicomponent mixed inclusion PVB (polyvinyl butyral) diaphragm and production method thereof |
| CN102875137A (en) * | 2012-04-18 | 2013-01-16 | 深圳市固电电子有限公司 | Tape casting slurry for laminated sheet type electronic component and preparation method for tape casting slurry |
| CN103320029A (en) * | 2013-06-28 | 2013-09-25 | 南京协凯科技有限公司 | Film for EVA (ethylene vinyl acetate) decoration toughened glass |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013010918A (en) * | 2011-05-31 | 2013-01-17 | Fujifilm Corp | Modified vinyl-based resin, production method thereof, and use thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608046A (en) * | 2008-06-20 | 2009-12-23 | 鹤壁市飞鹤塑胶有限公司 | PVB film for laminated glass |
| CN102417682A (en) * | 2011-09-29 | 2012-04-18 | 浙江农林大学 | High tensile strength multicomponent mixed inclusion PVB (polyvinyl butyral) diaphragm and production method thereof |
| CN102875137A (en) * | 2012-04-18 | 2013-01-16 | 深圳市固电电子有限公司 | Tape casting slurry for laminated sheet type electronic component and preparation method for tape casting slurry |
| CN103320029A (en) * | 2013-06-28 | 2013-09-25 | 南京协凯科技有限公司 | Film for EVA (ethylene vinyl acetate) decoration toughened glass |
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Address after: 317200 Chicheng City, Zhejiang province Tiantai County Street workers East Road, No. 801 Patentee after: Zhejiang Deste new materials Limited by Share Ltd Address before: 317200 Taizhou, Tiantai County, the streets of the town on the Northeast Road, No. 29, No. Patentee before: Zhejiang Decent Plastic Co., Ltd. |
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Denomination of invention: Magnetic pvb film of a kind of tool and preparation method thereof Effective date of registration: 20170623 Granted publication date: 20151202 Pledgee: Zheshang Bank, Limited by Share Ltd, Taizhou branch Pledgor: Zhejiang Deste new materials Limited by Share Ltd Registration number: 2017330000057 |
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Date of cancellation: 20200831 Granted publication date: 20151202 Pledgee: Zheshang Bank Limited by Share Ltd. Taizhou branch Pledgor: ZHEJIANG DECENT NEW MATERIAL Co.,Ltd. Registration number: 2017330000057 |
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Denomination of invention: A magnetic PVB membrane and its preparation method Effective date of registration: 20200909 Granted publication date: 20151202 Pledgee: Zheshang Bank Limited by Share Ltd. Taizhou branch Pledgor: ZHEJIANG DECENT NEW MATERIAL Co.,Ltd. Registration number: Y2020330000682 |
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