CN104031597A - Adhesive for hot water degumming of silicon slices and preparation method of adhesive - Google Patents
Adhesive for hot water degumming of silicon slices and preparation method of adhesive Download PDFInfo
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- CN104031597A CN104031597A CN201410299037.9A CN201410299037A CN104031597A CN 104031597 A CN104031597 A CN 104031597A CN 201410299037 A CN201410299037 A CN 201410299037A CN 104031597 A CN104031597 A CN 104031597A
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- hot water
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Abstract
The invention discloses an adhesive which is used for bonding silicon rods and can be subjected to hot water degumming, and a preparation method of the adhesive. The adhesive comprises the following components: polyurethane acrylate, acrylic monomers, aids, pigments and fillers, wherein polyurethane acrylate is a synthetic material of a polyurethane prepolymer and the acrylic monomers; the aids comprise an initiator, a polymerization inhibitor, an accelerator and a thickener; the pigments are organic pigments; and the fillers comprise titanium white. The preparation method is easy and feasible, and comprises the following steps: uniformly dispersing and grinding polyurethane acrylate resin, the acrylic monomers, the pigments, the fillers, the initiator, the accelerator, the polymerization inhibitor, a coupling agent and a thixotropic agent, and de-foaming. The adhesive only contains single component and can be automatically degummed without lactic acid in a degumming process, so that the cost can be reduced and the environmental pollution can be alleviated; and meanwhile, the adhesive is very high in bonding strength, and is heat-resistant, corrosion-resistant and capable of avoiding dropping of the rods in a cutting process.
Description
Technical field
Patent of the present invention relates to a kind of for the bonding sizing agent of silicon rod, especially can realize sizing agent of silicon section hot water degumming and preparation method thereof.
Background technology
It is predicted, solar energy power generating can occupy the important seat of world energy sources consumption in 21 century, not only wants Substitute For Partial conventional energy resources, and will become the main body of world energy supplies.The fast development of solar energy industry has also run into many difficult problems, as in the degumming technology of photovoltaic solar silicon section, because a large amount of lactic acid/citric acids etc. of using cause cost significantly to rise, causes the pollution to environment simultaneously.Sizing agent of the present invention is single component, simple to operate, and in degumming technology, does not need to use lactic acid and can realize automatically and coming unstuck.Not only can cutting down cost, also reduce the impact on environment simultaneously.
Summary of the invention
The object of this invention is to provide a kind of for bonding sizing agent of silicon rod and preparation method thereof.This sizing agent can make that silicon rod is corrosion-resistant in cutting process, hardness is high, and in degumming technology, realizing hot water comes unstuck automatically, and energy cutting down cost, minimizing to the pollution of environment originally, using this sizing agent to be coated between sheet glass and silicon rod presses, can realize high bond strength, and do not fall rod in cutting process.
For achieving the above object, technical scheme provided by the invention is:
For a sizing agent for silicon section hot water degumming, described sizing agent is mainly made by the raw material of following components by weight percent: urethane acrylate 40-60, Acrylic Acid Monomer 25-45, initiator 1-3, promotor 1-2, stopper 0.01-0.03, pigment dyestuff 0.01, filler 1-9.
Described sizing agent component also include thixotropic agent, coupling agent and in one or more.
Preferably, described thixotropic agent comprise organobentonite, hydrogenated castor oil, aerosil etc. one or more, components by weight percent 0.001-2; Described coupling agent is γ-glycidyl ether propyl trimethoxy silicane or aminopropyl triethoxysilane, components by weight percent 0.001-1.The interpolation of thixotropic agent and coupling agent has increased binding property and the stickiness of sizing agent, reduces the loss of colloid during use, improves the suitability of colloid.
Its molar mass of described polyurethane acrylic resin is 36000gmol-1, its preparation method is: by 4,4 '-dicyclohexyl methane diisocyanate or Toluene-2,4-diisocyanate, 4-vulcabond and polyether glycol be synthetic prepolymer at 70-75 ℃, and prepolymer reacts synthesis of polyurethane acrylic resin at 80 ℃ again with Acrylic Acid Monomer.Polyurethane acrylic resin has the performance of many excellences, as mechanical endurance, snappiness, chemical resistance and high and low temperature resistance and sticking power preferably.Polyurethane acrylic resin is now done existing use, has not only kept the performance of sizing agent, also convenient storage.
Preferably, described propylene monomer comprises vinylformic acid, propylene oxide monomer, Propylene glycol monoacrylate, one or more.Propylene section monomer, as functional monomer use, can improve tackiness, weathering resistance, drug resistance, shock-resistance and the gloss of product.
Described initiator is one or more of benzoyl peroxide, isopropyl benzene hydroperoxide.
Preferably, described promotor is N, N-dimethyl-p-toluidine, N, N-diethyl-p-tlouidine, saccharin etc. one or more.
Described stopper is Resorcinol.
Preferably, described filler comprises, one or more in silica powder, talcum powder, titanium white, and its component concentration is 1-9.The interpolation of filler has not only increased the viscosity of sizing agent, avoided glue too rare and run off, the more important thing is corrosion resistant and wear resisting property that it has increased colloid, experiment shows the corrosion of its resistance to polyoxyethylene glycol (using polyoxyethylene glycol) in cutting process, and its hardness reaches shore hardness 92-96HD.The interpolation of filler also greatly reduces the cost of making glue, improves its economic benefit.
The component that adopts described sizing agent, its preparation method comprises:
(1) weigh homemade polyurethane acrylic resin, Acrylic Acid Monomer, initiator benzoyl peroxide, accelerant N, N-diethyl-p-tlouidine, coupling agent γ-glycidyl ether propyl trimethoxy silicane, thixotropic agent aerosil, titanium white color stuffing;
(2) polyurethane acrylic resin weighing up, Acrylic Acid Monomer, color stuffing, initiator, promotor, stopper, coupling agent, thixotropic agent are put in after disperseing to be uniformly dispersed under normal temperature in cylinder and vacuumize.
Preferably, the described urethane acrylate of step (1) has been introduced hydrophilic radical.
The present invention has the following advantages: (1) preparation method is simple, economical and practical.(2) in degumming technology, do not need to use lactic acid just can realize automatically and coming unstuck, cut down cost, reduce the pollution to environment.(3) this colloid has high cohesive strength simultaneously, heat-resisting in cutting process, corrosion-resistant, does not fall rod.(4) gathered urethane acrylate and acrylic resin oil resistant, weather-proof, resistance, shock-resistant, tackiness good, the feature of good luster, but price and cost reduces greatly, processing characteristics is improved.
Embodiment
The present invention is described in further detail for specific examples below, to make those skilled in the art can implement according to this with reference to specification sheets word.
Example 1
The present embodiment is used for illustrating open sizing agent of the present invention and preparation method thereof.
By the polyurethane acrylic resin of self-control 40g, molar mass is Acrylic Acid Monomer PEG200,2g initiator benzoyl peroxide, the 2g accelerant N of 36000gmol-1,45g, and γ-glycidyl ether propyl trimethoxy silicane of N-diethyl-p-tlouidine, 1.5g, the aerosil of 0.5g, the titanium white color stuffing of 8g vacuumize after being put in and disperseing to be uniformly dispersed in cylinder.
After glass-board surface is coated with promotor (mixed solution of neutralized verdigris and alcohol), is to be dried, the uniform blade coating of the sizing agent making, in glass-board surface, is then positioned over to sheet glass glue face silicon rod, solidify the upper machine of 8h and cut.Experimental result is found the corrosion of the resistance to polyoxyethylene glycol of silicon rod (using polyoxyethylene glycol) in cutting process, and its hardness reaches shore hardness 92-96HD, and can realize in 60-75 ℃ and automatically coming unstuck.
Example 2
The present embodiment is used for illustrating open sizing agent of the present invention and preparation method thereof.
By the polyurethane acrylic resin of self-control 48g, molar mass is propylene oxide acid mono, 2g initiator benzoyl peroxide, the 2g accelerant N of 36000gmol-1,42g, and γ-glycidyl ether propyl trimethoxy silicane of N-diethyl-p-tlouidine, 1.5g, the aerosil of 0.5g, the titanium white color stuffing of 4g vacuumize after being put in and disperseing to be uniformly dispersed in cylinder.
After glass-board surface is coated with promotor (mixed solution of neutralized verdigris and alcohol), is to be dried, the uniform blade coating of the sizing agent making, in glass-board surface, is then positioned over to sheet glass glue face silicon rod, solidify the upper machine of 8h and cut.Experimental result is found the corrosion of the resistance to polyoxyethylene glycol of silicon rod (using polyoxyethylene glycol) in cutting process, and its hardness reaches shore hardness 92-96HD, and can realize in 60-75 ℃ and automatically coming unstuck.
Embodiment 3
The present embodiment is used for illustrating open sizing agent of the present invention and preparation method thereof.
By the polyurethane acrylic resin of self-control 50g, molar mass is Propylene glycol monoacrylate monomer, 2g initiator isopropyl benzene hydroperoxide, the 2g accelerant N of 36000gmol-1,35g, and γ-glycidyl ether propyl trimethoxy silicane of N-diethyl-p-tlouidine, 1.5g, the aerosil of 0.5g, the titanium white color stuffing of 9g vacuumize after being put in and disperseing to be uniformly dispersed in cylinder.
After glass-board surface is coated with promotor (mixed solution of neutralized verdigris and alcohol), is to be dried, the uniform blade coating of the sizing agent making, in glass-board surface, is then positioned over to sheet glass glue face silicon rod, solidify the upper machine of 8h and cut.Experimental result is found the corrosion of the resistance to polyoxyethylene glycol of silicon rod (using polyoxyethylene glycol) in cutting process, and its hardness reaches shore hardness 92-96HD, and can realize in 60-75 ℃ and automatically coming unstuck.
Claims (10)
1. the sizing agent for silicon section hot water degumming, it is characterized in that, described sizing agent is mainly made by the raw material of following components by weight percent: urethane acrylate 40-60, Acrylic Acid Monomer 25-45, initiator 1-3, promotor 1-2, stopper 0.01-0.03, pigment dyestuff 0.01, filler 1-9.
2. the sizing agent for silicon section hot water degumming as claimed in claim 1, is characterized in that, described resin Composition also includes one or more in thixotropic agent, coupling agent.
3. the sizing agent for silicon section hot water degumming as claimed in claim 2, is characterized in that, described thixotropic agent comprises one or more of organobentonite, hydrogenated castor oil, aerosil, components by weight percent 0.001-2; Described coupling agent is γ-glycidyl ether propyl trimethoxy silicane or aminopropyl triethoxysilane, components by weight percent 0.001-1.
4. the sizing agent for silicon section hot water degumming as claimed in claim 1 or 2, it is characterized in that, described polyurethane acrylic resin molar mass is 36000gmol-1, its preparation method is: by 4,4 '-dicyclohexyl methane diisocyanate or Toluene-2,4-diisocyanate, 4-vulcabond and polyether glycol be synthetic prepolymer at 70-75 ℃, and prepolymer reacts synthesis of polyurethane acrylic resin at 80 ℃ again with Acrylic Acid Monomer.
5. the sizing agent for silicon section hot water degumming as claimed in claim 1 or 2, is characterized in that, described propylene monomer comprises one or more of vinylformic acid, propylene oxide monomer, Propylene glycol monoacrylate.
6. the sizing agent for silicon section hot water degumming as claimed in claim 1 or 2, is characterized in that, described initiator is one or more of benzoyl peroxide, isopropyl benzene hydroperoxide.
7. the sizing agent for silicon section hot water degumming as claimed in claim 1 or 2, is characterized in that, described promotor is N, N-dimethyl-p-toluidine, N, N-diethyl-p-tlouidine, saccharin one or more.
8. the sizing agent for silicon section hot water degumming as claimed in claim 1 or 2, is characterized in that, described stopper is Resorcinol.
9. the sizing agent for silicon section hot water degumming as claimed in claim 1 or 2, is characterized in that, described filler comprises one or more in silica powder, talcum powder, titanium white.
10. for a preparation method for the sizing agent of silicon section hot water degumming, it is characterized in that, adopt the component of sizing agent claimed in claim 1, its preparation method comprises:
(1) weigh homemade polyurethane acrylic resin, Acrylic Acid Monomer, initiator benzoyl peroxide, accelerant N, N-diethyl-p-tlouidine, coupling agent γ-glycidyl ether propyl trimethoxy silicane, thixotropic agent aerosil, titanium white color stuffing;
(2) polyurethane acrylic resin weighing up, Acrylic Acid Monomer, color stuffing, initiator, promotor, stopper, coupling agent, thixotropic agent are put in after disperseing to be uniformly dispersed under normal temperature in cylinder and vacuumize.
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| CN201410299037.9A CN104031597B (en) | 2014-06-26 | 2014-06-26 | A kind of sizing agent for silicon section hot water degumming and preparation method thereof |
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| CN201410299037.9A CN104031597B (en) | 2014-06-26 | 2014-06-26 | A kind of sizing agent for silicon section hot water degumming and preparation method thereof |
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| CN104031597B CN104031597B (en) | 2016-04-13 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104592929A (en) * | 2015-01-06 | 2015-05-06 | 上海都伟光伏科技有限公司 | Single-component adhesive for temporarily fixing and preparation method thereof |
| CN108034401A (en) * | 2017-12-28 | 2018-05-15 | 武汉宜田科技发展有限公司 | A kind of one-component glue of the silicon rod bonding containing microcapsules |
| EP3753963A1 (en) * | 2019-06-19 | 2020-12-23 | Covestro Deutschland AG | An adhesive and its preparation and application |
| CN113683967A (en) * | 2021-03-10 | 2021-11-23 | 晶澜光电科技(江苏)有限公司 | Insulating adhesive and preparation method thereof |
| WO2022069164A1 (en) | 2020-09-30 | 2022-04-07 | Basf Se | De-bondable polyurethane adhesives based on thermally expandable microspheres |
| CN114605954A (en) * | 2022-02-25 | 2022-06-10 | 南宁珀源能源材料有限公司 | High-adhesion and water-boiling fast-degumming two-component polyurethane adhesive, preparation method and application thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104592929A (en) * | 2015-01-06 | 2015-05-06 | 上海都伟光伏科技有限公司 | Single-component adhesive for temporarily fixing and preparation method thereof |
| CN108034401A (en) * | 2017-12-28 | 2018-05-15 | 武汉宜田科技发展有限公司 | A kind of one-component glue of the silicon rod bonding containing microcapsules |
| CN108034401B (en) * | 2017-12-28 | 2020-12-15 | 武汉宜田科技发展有限公司 | Single-component glue for bonding silicon rods containing microcapsules |
| EP3753963A1 (en) * | 2019-06-19 | 2020-12-23 | Covestro Deutschland AG | An adhesive and its preparation and application |
| EP3753964A1 (en) * | 2019-06-19 | 2020-12-23 | Covestro Intellectual Property GmbH & Co. KG | An adhesive and its preparation and application |
| US11667824B2 (en) | 2019-06-19 | 2023-06-06 | Covestro Intellectual Property Gmbh & Co. Kg | Adhesive and its preparation and application |
| WO2022069164A1 (en) | 2020-09-30 | 2022-04-07 | Basf Se | De-bondable polyurethane adhesives based on thermally expandable microspheres |
| CN113683967A (en) * | 2021-03-10 | 2021-11-23 | 晶澜光电科技(江苏)有限公司 | Insulating adhesive and preparation method thereof |
| CN114605954A (en) * | 2022-02-25 | 2022-06-10 | 南宁珀源能源材料有限公司 | High-adhesion and water-boiling fast-degumming two-component polyurethane adhesive, preparation method and application thereof |
| CN114605954B (en) * | 2022-02-25 | 2024-02-13 | 南宁珀源能源材料有限公司 | High-adhesion and quick-boiling degumming double-component polyurethane adhesive, and preparation method and application thereof |
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| CN104031597B (en) | 2016-04-13 |
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Address after: No. 41, No. 6, Jianye Road, LIANG Qing District, Nanning, the Guangxi Zhuang Autonomous Region Patentee after: Nanning Amber Energy Source Material Co., Ltd. Address before: 530600 the Guangxi Zhuang Autonomous Region Nanning City, Mashan Baishan Town, Datong Xia Wang Industrial Park Patentee before: Nanning Po Yuan Chemical Co., Ltd. |
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Denomination of invention: Adhesive for hot water degumming of silicon slices and preparation method of adhesive Effective date of registration: 20200305 Granted publication date: 20160413 Pledgee: GF bank Limited by Share Ltd Nanning branch Pledgor: Nanning Amber Energy Source Material Co., Ltd. Registration number: Y2020450000007 |
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Address after: 532199 No. 9, Wuzhou Road, Xinning Town, Fusui County, Chongzuo City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Poyuan New Material Co.,Ltd. Address before: No.6, 41 Jianye Road, Liangqing District, Nanning City, Guangxi Zhuang Autonomous Region Patentee before: NANNING BOYUAN ENERGY MATERIAL CO.,LTD. |
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