CN102433091B - Laminated wood plate alignment adhesive-based adhesive and preparation method thereof - Google Patents
Laminated wood plate alignment adhesive-based adhesive and preparation method thereof Download PDFInfo
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- CN102433091B CN102433091B CN 201110458699 CN201110458699A CN102433091B CN 102433091 B CN102433091 B CN 102433091B CN 201110458699 CN201110458699 CN 201110458699 CN 201110458699 A CN201110458699 A CN 201110458699A CN 102433091 B CN102433091 B CN 102433091B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000000853 adhesive Substances 0.000 title abstract description 17
- 230000001070 adhesive effect Effects 0.000 title abstract description 17
- 239000002023 wood Substances 0.000 title abstract description 5
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims abstract description 15
- 239000000178 monomer Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 10
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 10
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 9
- IVKNZCBNXPYYKL-UHFFFAOYSA-N 2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[4-(2,4,4-trimethylpentan-2-yl)phenoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol Chemical compound CC(C)(C)CC(C)(C)C1=CC=C(OCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO)C=C1 IVKNZCBNXPYYKL-UHFFFAOYSA-N 0.000 claims abstract description 8
- CCJAYIGMMRQRAO-UHFFFAOYSA-N 2-[4-[(2-hydroxyphenyl)methylideneamino]butyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCCCN=CC1=CC=CC=C1O CCJAYIGMMRQRAO-UHFFFAOYSA-N 0.000 claims abstract description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 7
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 18
- 238000010792 warming Methods 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 239000000243 solution Substances 0.000 claims description 13
- 239000003292 glue Substances 0.000 claims description 12
- 239000011159 matrix material Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 239000008367 deionised water Substances 0.000 claims description 9
- 229910021641 deionized water Inorganic materials 0.000 claims description 9
- 239000000839 emulsion Substances 0.000 claims description 8
- 239000000872 buffer Substances 0.000 claims description 7
- 239000003153 chemical reaction reagent Substances 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 239000004160 Ammonium persulphate Substances 0.000 claims description 6
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 6
- 235000019395 ammonium persulphate Nutrition 0.000 claims description 6
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 238000004090 dissolution Methods 0.000 claims description 3
- 238000004945 emulsification Methods 0.000 claims description 3
- 238000010899 nucleation Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 239000004567 concrete Substances 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 abstract description 3
- 239000004354 Hydroxyethyl cellulose Substances 0.000 abstract 2
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 abstract 2
- 150000002148 esters Chemical class 0.000 abstract 2
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 abstract 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 230000035699 permeability Effects 0.000 abstract 1
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical group [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 6
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical group [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 4
- 229960004249 sodium acetate Drugs 0.000 description 4
- 235000017281 sodium acetate Nutrition 0.000 description 4
- 239000001632 sodium acetate Substances 0.000 description 4
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000012745 toughening agent Substances 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 2
- 229920002689 polyvinyl acetate Polymers 0.000 description 2
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 238000006136 alcoholysis reaction Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The invention discloses a laminated wood plate alignment adhesive-based adhesive and a preparation method thereof. The laminated wood plate alignment adhesive-based adhesive is characterized by comprising 2-3 wt% of polyvinyl alcohol, 0.1-0.3 wt% of hydroxyethyl cellulose, 0.5-0.8 wt% of OP-10, 0.2-0.5 wt% of OS, 30-40 wt% of vinyl acetate (and other ester monomers), 0.5-1.5 wt% of acrylic acid, 0.5-1 wt% of N-hydroxymethyl acrylamide and the like. The preparation method comprises the following steps: mixing the hydroxyethyl cellulose, polyvinyl alcohol, N-hydroxymethyl acrylamide, OP-10, OS and the like to obtain a composite emulsifier; preparing ammonium persulfate into a water solution; mixing the ester monomers to obtain a monomer mixture; and adding the ammonium persulfate solution and monomer mixture into the composite emulsifier to obtain the laminated wood plate alignment adhesive-based adhesive. The invention has the advantages of high adhesive strength, strong permeability, favorable water resistance and high compatibility, and is free of any organic solvent.
Description
Technical field
The invention provides a kind of integrated material wood-splicing matrix glue and preparation method thereof, belong to the adhesive technology field.
Background technology
China has forest reserves shortage now, major diameter and the particularly shortage of high-quality level material, main dependence on import.Integrated timber is exactly to take full advantage of all size timber or waste and old timber are made certain width and thickness by gummed novel forming material.Applying of this technology taken full advantage of limited timber resources just, and the effect actively pushed forward is played in energy-saving and emission-reduction, and market outlook are wide.This just requires adhesive industry to provide excellent property, Environmental Safety, assembly wood tackiness agent easy to use for it.
Summary of the invention
The purpose of this invention is to provide a kind of good penetrability, bonding strength height, water-tolerant, can use separately, again can be composite with other kind water-base cement, basic glue of the water-based that is mainly used in integrated material wood-splicing of excellent performance and preparation method thereof.
For achieving the above object, the invention provides a kind of integrated material wood-splicing matrix glue, it is characterized in that, formed by following component by weight percentage:
Polyvinyl alcohol 2.0-3.0%;
Natvosol 0.1-0.3%;
OP-10 0.5-0.8％；
OS 0.2-0.5％；
Vinyl acetate 30-40%;
Butyl acrylate 6.0-10.0%
Vinylformic acid 0.5-1.5%;
Methyl methacrylate 1.0-2.0%;
Vinylformic acid-2-hydroxyl ethyl ester 0.8-1.5%;
N hydroxymethyl acrylamide 0.5-1.0%;
Ammonium persulphate 0.08-0.15%;
Buffer reagent 0.1-0.4%;
PH regulator agent 0.1-0.4%;
Deionized water 45-52%.
Preferably, the polymerization degree of described polyvinyl alcohol is 1700-1800, and alcoholysis degree is 86-90.
Preferably, the viscosity of described Natvosol is 5000-5500mPa.s.
Preferably, the solid content of described OP-10 〉=98%.
Preferably, the solid content of described OS 〉=40%.
Preferably, described buffer reagent is sodium-acetate.
Preferably, described pH regulator agent is sodium bicarbonate.
The present invention also provides the preparation method of above-mentioned integrated material wood-splicing matrix glue, it is characterized in that concrete steps are as follows:
The first step: each raw material of weighing in proportion, the deionized water with 2/3 joins in the dissolution kettle, starts agitator, adds Natvosol, stirring at normal temperature 25-30min; Add polyvinyl alcohol, N hydroxymethyl acrylamide, be warming up to 90-95 ℃ after, insulation 50-60min is cooled to 75 ℃; Add OP-10, OS, buffer reagent and remain 1/3 deionized water, stir, obtain compound emulsifying agent;
Second step: it is 5% the aqueous solution that ammonium persulphate is made into mass concentration, obtains ammonium persulfate solution; After vinyl acetate, butyl acrylate, vinylformic acid, methyl methacrylate and vinylformic acid-2-hydroxyl ethyl ester mixing, stir, make mix monomer;
The 3rd step: the compound emulsifying agent that the first step is obtained joins in the polymeric kettle, treats that the still temperature is warming up to 55-60 ℃, adds the ammonium persulfate solution that second step of 1/5 obtains, and adds the mix monomer that second step of 1/10 obtains again, stirs 25-35min, carries out pre-emulsification; Slowly be warming up to 73 ℃ then, carry out seeding polymerization, reaction 30-40min; Added the ammonium persulfate solution totally 14 times of 1/16 residual content then every 0.5 hour, begin to drip remaining mix monomer simultaneously, temperature of reaction is 73-76 ℃, drip in 6-7 hour and finish, be warming up to 82-85 ℃, add remaining ammonium persulfate solution, insulation reaction 0.5-1.0 hour, be warming up to 90 ℃, insulation 50-60min is cooled to 50 ℃, add the pH regulator agent, filter with 80-100 purpose filter cloth, obtain emulsion, i.e. integrated material wood-splicing matrix glue.
Preferably, the heating steam pressure of described polymeric kettle is 0.05-0.4MPa.
The present invention by multi-component copolymer, improves water tolerance, thermotolerance, perviousness, cohesiveness and the consistency of emulsion according to the difference of each monomer performance.The present invention adopts polynary compound emulsifying agent, produces emulsifying effectiveness preferably, makes that the multi-component copolymer stable reaction is easy to control; In polymkeric substance, introduce hydroxyl, lay the first stone for preparing two component splicing adhesives.
Embodiment
Describe the present invention below in conjunction with embodiment.
The HEC5500 that the 17-88 that polyvinyl alcohol among the embodiment 1 selects for use river dimension company to produce, Natvosol select for use Kunshan company of China Petrochemical Industry to produce, buffer reagent is selected sodium-acetate for use, and sodium bicarbonate is selected in the pH regulator agent for use.
Embodiment 1
Press quality than weighing polyvinyl alcohol 2.0%, Natvosol 0.2%, OP-100.6%, OS 0.3%, vinyl acetate 38%, butyl acrylate 8%, vinylformic acid 0.5%, methyl methacrylate 1.5%, vinylformic acid-2-hydroxyl ethyl ester 1%, N hydroxymethyl acrylamide 0.75%, ammonium persulphate 0.12%, buffer reagent sodium-acetate 0.2%, pH regulator agent sodium bicarbonate 0.2%, deionized water 46.63%.
The first step: the deionized water with 2/3 joins in the dissolution kettle, starts agitator, rotating speed 850rpm, add Natvosol, stirring at normal temperature 0.5 hour adds polyvinyl alcohol, N hydroxymethyl acrylamide, be warming up to 90 ℃ after, be incubated 1 hour, be cooled to 75 ℃, add OP-10, OS, sodium-acetate, add about 1/3 deionized water, stir, obtain compound emulsifying agent.
Second step: it is 5% the aqueous solution that ammonium persulphate is made into mass concentration, obtains ammonium persulfate solution; After vinyl acetate, butyl acrylate, vinylformic acid, methyl methacrylate and vinylformic acid-2-hydroxyl ethyl ester mixing, stir, make mix monomer;
The 3rd step: the compound emulsifying agent that the first step is obtained joins in the polymeric kettle, treats that the still temperature is warming up to 55 ℃, adds the ammonium persulfate solution that second step of 1/5 obtains, and adds the mix monomer that second step of 1/10 obtains again, stirs 0.5 hour, carries out pre-emulsification; Slowly be warming up to 73 ℃ then, carry out seeding polymerization, reaction 35min; The ammonium persulfate solution that adds 1/16 residual content added once the ammonium persulfate solution of amount together later on every 0.5 hour, begin to drip remaining mix monomer simultaneously, temperature of reaction is 76 ℃, drips in 6.5 hours and finishes, and is warming up to 83 ℃, add remaining ammonium persulfate solution at last, insulation reaction 0.5 hour is warming up to 90 ℃, be incubated 1.0 hours, be cooled to 50 ℃, add sodium bicarbonate, filter with 80 purpose filter clothes, obtain emulsion, i.e. integrated material wood-splicing matrix glue.
Test its compression shear strength index by GB HG/T2727-2010, test result is as follows:
| Interventions Requested | Unit | The standard gauge definite value | Test value | The individual event conclusion |
| Dry strength | MPa | ≥10 | 13.8 | Qualified |
| Wet tenacity | MPa | ≥3 | 7.9 | Qualified |
Embodiment 2
Toughener is selected CaCO for use
3, the DESMODUR44V20L that linking agent selects for use Beyer Co., Ltd to produce.
To join in the integrated material wood-splicing matrix glue that 95 parts of embodiment 1 make in 5 parts of the tougheners of weight part, stir, add 15 parts of linking agents again, after stirring, obtain integrated material wood-splicing adhesive, and must in half an hour, use.
Test its performance index, test result is as follows:
Embodiment 3
The VAE emulsion is selected 705 of river dimension company production for use, and toughener is selected CaCO for use
3, the DESMODUR44V20L that linking agent selects for use Beyer Co., Ltd to produce.
The integrated material wood-splicing adhesive that will make in 45 parts of embodiment 1 of weight part mixes with 50 parts of VAE emulsions, adds 5 parts of tougheners, stirs, and adds 15 parts of linking agents again, after stirring, obtains integrated material wood-splicing adhesive, must use in half an hour.
Test its performance index, test result is as follows:
Embodiment 4
It is 40% that the PVAc emulsion is selected solid content for use, and toughener is selected CaCO for use
3, the DESMODUR44V20L that linking agent selects for use Beyer Co., Ltd to produce.
The integrated material wood-splicing matrix glue that will make in 45 parts of embodiment 1 of weight part mixes with 50 parts of PVAc emulsions, adds 5 parts of tougheners, stirs, and adds 15 parts of linking agents again, after stirring, obtains integrated material wood-splicing adhesive, must use in half an hour.
Test its performance index, test result is as follows:
Test by embodiment 2-4 proves, the integrated material wood-splicing adhesive that makes by the present invention is used for the splicing of medium-to-high grade quality timber, have higher do, wet shearing resistance, soak that to peel off rate and boil the rate of peeling off be zero substantially; It is fast to piece together the wooden undercarriage cycle, good processability.
Claims (2)
1. the preparation method of an integrated material wood-splicing matrix glue is characterized in that concrete steps are as follows:
The first step: take by weighing each raw material by following weight percent:
Polyvinyl alcohol 2.0-3.0%;
Natvosol 0.1-0.3%;
OP-10 0.5-0.8%；
OS 0.2-0.5% ；
Vinyl acetate 30-40%;
Butyl acrylate 6.0-10.0%
Vinylformic acid 0.5-1.5%;
Methyl methacrylate 1.0-2.0%;
Vinylformic acid-2-hydroxyl ethyl ester 0.8-1.5%;
N hydroxymethyl acrylamide 0.5-1.0%;
Ammonium persulphate 0.08-0.15%;
Buffer reagent 0.1-0.4%;
PH regulator agent 0.1-0.4%;
Deionized water 45-52%;
Then 2/3 deionized water is joined in the dissolution kettle, start agitator, add Natvosol, stirring at normal temperature 25-30min; Add polyvinyl alcohol, N hydroxymethyl acrylamide, be warming up to 90-95 ℃ after, insulation 50-60min is cooled to 75 ℃; Add OP-10, OS, buffer reagent and remain 1/3 deionized water, stir, obtain compound emulsifying agent;
Second step: it is 5% the aqueous solution that ammonium persulphate is made into mass concentration, obtains ammonium persulfate solution; After vinyl acetate, butyl acrylate, vinylformic acid, methyl methacrylate and vinylformic acid-2-hydroxyl ethyl ester mixing, stir, make mix monomer;
The 3rd step: the compound emulsifying agent that the first step is obtained joins in the polymeric kettle, treats that the still temperature is warming up to 55-60 ℃, adds the ammonium persulfate solution that second step of 1/5 obtains, and adds the mix monomer that second step of 1/10 obtains again, stirs 25-35min, carries out pre-emulsification; Slowly be warming up to 73 ℃ then, carry out seeding polymerization, reaction 30-40min; Added the ammonium persulfate solution totally 14 times of 1/16 residual content then every 0.5 hour, begin to drip remaining mix monomer simultaneously, temperature of reaction is 73-76 ℃, drip in 6-7 hour and finish, be warming up to 82-85 ℃, add remaining ammonium persulfate solution, insulation reaction 0.5-1.0 hour, be warming up to 90 ℃, insulation 50-60min is cooled to 50 ℃, add the pH regulator agent, filter with 80-100 purpose filter cloth, obtain emulsion, i.e. integrated material wood-splicing matrix glue.
2. the preparation method of a kind of integrated material wood-splicing matrix glue as claimed in claim 1 is characterized in that, the heating steam pressure of described polymeric kettle is 0.05-0.4MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110458699 CN102433091B (en) | 2011-12-31 | 2011-12-31 | Laminated wood plate alignment adhesive-based adhesive and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110458699 CN102433091B (en) | 2011-12-31 | 2011-12-31 | Laminated wood plate alignment adhesive-based adhesive and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102433091A CN102433091A (en) | 2012-05-02 |
| CN102433091B true CN102433091B (en) | 2013-07-03 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757749A (en) * | 2012-08-08 | 2012-10-31 | 王文滔 | Modified poly-acetate cotton spraying adhesive |
| CN103131359B (en) * | 2013-03-21 | 2014-03-26 | 辽宁吕氏化工（集团）有限公司 | Environment-friendly quick-drying type adhesive |
| CN103409087B (en) * | 2013-07-12 | 2015-05-13 | 长春市三化实业有限责任公司 | Single-component laminating glue and preparation method thereof |
| CN103834327B (en) * | 2014-02-21 | 2015-11-25 | 德清县云峰中环佳科技有限公司 | A kind of antistatic aldehyde-free cement |
| CN104371605A (en) * | 2014-11-04 | 2015-02-25 | 中国林业科学研究院林产化学工业研究所 | NMA modified water-resistant polyvinyl acetate wood adhesive and preparation method thereof |
| CN108148529A (en) * | 2018-01-31 | 2018-06-12 | 有行鲨鱼（上海）科技股份有限公司 | A kind of novel laminated wood fluid sealant |
| CN110845975A (en) * | 2019-11-19 | 2020-02-28 | 广东海特高新材料有限公司 | Double-component plate splicing adhesive and preparation method thereof |
| CN113861901A (en) * | 2021-10-21 | 2021-12-31 | 湖北省宏源药业科技股份有限公司 | Modified polyvinyl acetate emulsion adhesive and preparation method thereof |
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| CN101565593A (en) * | 2009-05-21 | 2009-10-28 | 上海东和胶粘剂有限公司 | Integrated material wood-splicing adhesive and preparation method thereof |
| CN102086369A (en) * | 2010-12-23 | 2011-06-08 | 广东金万得胶粘剂有限公司 | Water-based double-component plate alignment adhesive |
| CN102167958A (en) * | 2011-01-14 | 2011-08-31 | 上海金强粘合剂有限公司 | High-strength integrated timber makeup glue |
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- 2011-12-31 CN CN 201110458699 patent/CN102433091B/en active Active
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|---|---|---|---|---|
| CN101565593A (en) * | 2009-05-21 | 2009-10-28 | 上海东和胶粘剂有限公司 | Integrated material wood-splicing adhesive and preparation method thereof |
| CN102086369A (en) * | 2010-12-23 | 2011-06-08 | 广东金万得胶粘剂有限公司 | Water-based double-component plate alignment adhesive |
| CN102167958A (en) * | 2011-01-14 | 2011-08-31 | 上海金强粘合剂有限公司 | High-strength integrated timber makeup glue |
Non-Patent Citations (1)
| Title |
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Effective date of registration: 20210118 Address after: Yan Jiang Zhen Shui Yang Cun, Linhai City, Taizhou City, Zhejiang Province Patentee after: DINGLI NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 201108, No. 1038 Jin Du Road, Shanghai, Minhang District Patentee before: SHANGHAI DONGHE ADHESIVE Co.,Ltd. |
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Address after: Yan Jiang Zhen Shui Yang Cun, Linhai City, Taizhou City, Zhejiang Province Patentee after: Dingli New Material Technology Co.,Ltd. Address before: Yan Jiang Zhen Shui Yang Cun, Linhai City, Taizhou City, Zhejiang Province Patentee before: DINGLI NEW MATERIAL TECHNOLOGY CO.,LTD. |
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Denomination of invention: A composite panel adhesive base adhesive and its preparation method Effective date of registration: 20230630 Granted publication date: 20130703 Pledgee: Yanjiang sub branch of Zhejiang Linhai Rural Commercial Bank Co.,Ltd. Pledgor: Dingli New Material Technology Co.,Ltd. Registration number: Y2023980046528 |
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Date of cancellation: 20231123 Granted publication date: 20130703 Pledgee: Yanjiang sub branch of Zhejiang Linhai Rural Commercial Bank Co.,Ltd. Pledgor: Dingli New Material Technology Co.,Ltd. Registration number: Y2023980046528 |
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Denomination of invention: A composite panel adhesive base adhesive and its preparation method Effective date of registration: 20231228 Granted publication date: 20130703 Pledgee: Yanjiang sub branch of Zhejiang Linhai Rural Commercial Bank Co.,Ltd. Pledgor: Dingli New Material Technology Co.,Ltd. Registration number: Y2023980073802 |