CN104031597B - A kind of sizing agent for silicon section hot water degumming and preparation method thereof - Google Patents
A kind of sizing agent for silicon section hot water degumming and preparation method thereof Download PDFInfo
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- CN104031597B CN104031597B CN201410299037.9A CN201410299037A CN104031597B CN 104031597 B CN104031597 B CN 104031597B CN 201410299037 A CN201410299037 A CN 201410299037A CN 104031597 B CN104031597 B CN 104031597B
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Abstract
The invention discloses a kind of bonding and can carry out sizing agent of hot water degumming and preparation method thereof for silicon rod, its component comprises: polyurethane acroleic acid fat, Acrylic Acid Monomer, auxiliary agent, pigment, filler etc.Described polyurethane acroleic acid fat is the synthetics of polyurethane prepolymer and Acrylic Acid Monomer, and described auxiliary agent has initiator, stopper, promotor, thickening material etc., and described pigment is pigment dyestuff, filler be titanium white, etc.; Its preparation method is simple, by polyurethane acrylic resin, Acrylic Acid Monomer, color stuffing, initiator, promotor, stopper, coupling agent, the evenly then deaeration of thixotropic agent dispersion grinding; The present invention only does not need to use lactic acid just can realize automatically coming unstuck containing one-component in degumming technology, not only can cut down cost, reduce the pollution to environment, also have high cohesive strength simultaneously, heat-resisting in cutting process, corrosion-resistant, does not fall rod.
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 also encounters many difficult problems, as in the degumming technology of cutting into slices at photovoltaic solar silicon, owing to using lactic acid/citric acid etc. to cause cost significantly to rise in a large number, causes the pollution to environment simultaneously.Sizing agent of the present invention is single component, simple to operate, and does not need use lactic acid and can realize automatically coming unstuck in degumming technology.Not only can cut down cost, also reduce the impact on environment simultaneously.
Summary of the invention
The object of this invention is to provide a kind of sizing agent bonding for 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, realize hot water automatically come unstuck, and can cost be cut down, minimizing to the pollution of environment originally, use this sizing agent to be coated between sheet glass and silicon rod to press, high bond strength can be realized, 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 made primarily of 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 adds 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 synthetic prepolymer at 70-75 DEG C, prepolymer reacts synthesis of polyurethane acrylic resin at 80 DEG C with Acrylic Acid Monomer again.Polyurethane acrylic resin has the performance of many excellences, as mechanical endurance, snappiness, chemical resistance and high and low temperature resistance and preferably sticking power.Polyurethane acrylic resin now does existing use, not only maintains 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 the tackiness of product, weathering resistance, drug resistance, shock-resistance and gloss.
Described initiator be benzoyl peroxide, isopropyl benzene hydroperoxide one or more.
Preferably, described promotor be 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 not only increases the viscosity of sizing agent, avoid glue too rare and run off, prior corrosion resistant and the wear resisting property being that it increases 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 making glue, improves its economic benefit.
The component of the sizing agent described in employing, its preparation method comprises:
(1) homemade polyurethane acrylic resin, Acrylic Acid Monomer, initiator benzoyl peroxide, accelerant N is weighed, N-diethyl-p-tlouidine, coupling agent γ-glycidyl ether propyl trimethoxy silicane, thixotropic agent aerosil, titanium white color stuffing;
(2) polyurethane acrylic resin weighed up, Acrylic Acid Monomer, color stuffing, initiator, promotor, stopper, coupling agent, thixotropic agent are vacuumized after being put in and being uniformly dispersed under normal temperature in dispersion cylinder.
Preferably, step (1) described urethane acrylate introduces hydrophilic radical.
The present invention has the following advantages: (1) preparation method is simple, economical and practical.(2) do not need to use lactic acid just can realize automatically coming unstuck in degumming technology, reduce 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 the oil resistant of urethane acrylate and acrylic resin, 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, can implement according to this with reference to specification sheets word to make those skilled in the art.
Example 1
The present embodiment is for illustration of 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 the 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 being uniformly dispersed in dispersion cylinder.
At glass-board surface coating promotor (mixed solution of neutralized verdigris and alcohol), after to be dried, by the obtained uniform blade coating of sizing agent in glass-board surface, then silicon rod is positioned over sheet glass glue face, on solidification 8h, machine cuts.Experimental result finds the corrosion of silicon rod resistance to polyoxyethylene glycol (using polyoxyethylene glycol in cutting process), and its hardness reaches shore hardness 92-96HD, and can realize automatically coming unstuck in 60-75 DEG C.
Example 2
The present embodiment is for illustration of 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 the 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 being uniformly dispersed in dispersion cylinder.
At glass-board surface coating promotor (mixed solution of neutralized verdigris and alcohol), after to be dried, by the obtained uniform blade coating of sizing agent in glass-board surface, then silicon rod is positioned over sheet glass glue face, on solidification 8h, machine cuts.Experimental result finds the corrosion of silicon rod resistance to polyoxyethylene glycol (using polyoxyethylene glycol in cutting process), and its hardness reaches shore hardness 92-96HD, and can realize automatically coming unstuck in 60-75 DEG C.
Embodiment 3
The present embodiment is for illustration of 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 the 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 being uniformly dispersed in dispersion cylinder.
At glass-board surface coating promotor (mixed solution of neutralized verdigris and alcohol), after to be dried, by the obtained uniform blade coating of sizing agent in glass-board surface, then silicon rod is positioned over sheet glass glue face, on solidification 8h, machine cuts.Experimental result finds the corrosion of silicon rod resistance to polyoxyethylene glycol (using polyoxyethylene glycol in cutting process), and its hardness reaches shore hardness 92-96HD, and can realize automatically coming unstuck in 60-75 DEG C.
Claims (8)
1. the sizing agent for silicon section hot water degumming, it is characterized in that, described sizing agent is made primarily of 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;
Wherein, described polyurethane acrylic resin molar mass is 36000gmol-1, and described filler comprises one or more in silica powder, talcum powder, titanium white.
2., as claimed in claim 1 for the sizing agent of silicon section hot water degumming, it is characterized in that, described resin Composition also includes one or more in thixotropic agent, coupling agent.
3., as claimed in claim 2 for the sizing agent of silicon section hot water degumming, it is characterized in that, described thixotropic agent comprise organobentonite, hydrogenated castor oil, aerosil 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.
4., as claimed in claim 1 or 2 for the sizing agent of silicon section hot water degumming, it is characterized in that, described Acrylic Acid Monomer comprise vinylformic acid, propylene oxide acid mono, Propylene glycol monoacrylate one or more.
5., as claimed in claim 1 or 2 for the sizing agent of silicon section hot water degumming, it is characterized in that, described initiator be benzoyl peroxide, isopropyl benzene hydroperoxide one or more.
6., as claimed in claim 1 or 2 for the sizing agent of silicon section hot water degumming, it is characterized in that, described promotor be N, N-dimethyl-p-toluidine, N, N-diethyl-p-tlouidine, saccharin one or more.
7., as claimed in claim 1 or 2 for the sizing agent of silicon section hot water degumming, it is characterized in that, described stopper is Resorcinol.
8., 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 according to claim 3, its preparation method comprises:
(1) homemade polyurethane acrylic resin, Acrylic Acid Monomer, initiator benzoyl peroxide, accelerant N is weighed, N-diethyl-p-tlouidine, coupling agent γ-glycidyl ether propyl trimethoxy silicane, thixotropic agent aerosil, titanium white color stuffing;
(2) polyurethane acrylic resin weighed up, Acrylic Acid Monomer, color stuffing, initiator, promotor, stopper, coupling agent, thixotropic agent are vacuumized after being put in and being uniformly dispersed under normal temperature in dispersion cylinder.
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Families Citing this family (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 |
| 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 |
| CN116234850A (en) | 2020-09-30 | 2023-06-06 | 巴斯夫欧洲公司 | Debondable polyurethane adhesive 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 |
| 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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| CH671962A5 (en) * | 1987-02-12 | 1989-10-13 | Nisshin Steel Co Ltd | Acrylic adhesive for bonding PVC film to steel sheet - comprises acrylic acid, aliphatic polyurethane acrylate oligomer and tert. amine as adhesion promoter |
| CN102558490A (en) * | 2010-12-23 | 2012-07-11 | 上海康达化工新材料股份有限公司 | Hot-meltable prepolymer and preparation method thereof, hot-meltable solid anaerobic adhesive prepared from hot-meltable prepolymer and preparation method of hot-meltable solid anaerobic adhesive |
| CN102746797A (en) * | 2012-07-11 | 2012-10-24 | 上海顺路材料技术有限公司 | Ultraviolet-curable adhesive, as well as preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101323714A (en) * | 2008-07-25 | 2008-12-17 | 成都理工大学 | Method for composite modification of microcrystalline antonite powder using aminosilane and aluminate |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH671962A5 (en) * | 1987-02-12 | 1989-10-13 | Nisshin Steel Co Ltd | Acrylic adhesive for bonding PVC film to steel sheet - comprises acrylic acid, aliphatic polyurethane acrylate oligomer and tert. amine as adhesion promoter |
| CN102558490A (en) * | 2010-12-23 | 2012-07-11 | 上海康达化工新材料股份有限公司 | Hot-meltable prepolymer and preparation method thereof, hot-meltable solid anaerobic adhesive prepared from hot-meltable prepolymer and preparation method of hot-meltable solid anaerobic adhesive |
| CN102746797A (en) * | 2012-07-11 | 2012-10-24 | 上海顺路材料技术有限公司 | Ultraviolet-curable adhesive, as well as preparation method and application thereof |
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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. |