CN104694051B - A kind of preparation method of binding agent of nanometer powder modification - Google Patents
A kind of preparation method of binding agent of nanometer powder modification Download PDFInfo
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- CN104694051B CN104694051B CN201510143412.5A CN201510143412A CN104694051B CN 104694051 B CN104694051 B CN 104694051B CN 201510143412 A CN201510143412 A CN 201510143412A CN 104694051 B CN104694051 B CN 104694051B
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Abstract
The invention provides a kind of preparation method of binding agent of nanometer powder modification, employ the nanometer silicon carbide powder of surface modification in this binding agent, after effectively improve binding agent film forming, be coated with film strength, hardness and toughness; Nanometer silicon carbide powder surface is modified by polymethylmethacrylate, use it for each Interaction of substituents in the polymkeric substance on nanometer silicon carbide powder surface modified in binding agent and hydroxy polyacrylate and organopolysiloxane, further increase the hardness of film, intensity and scratch resistance, extend the work-ing life of film.
Description
Technical field
The invention belongs to adhesive techniques field, be specifically related to a kind of preparation method of the wear-resisting scrape resistant binding agent containing modified carbonize silicon nanopowder.
Background technology
Along with the development of science and technology, the raising of people's lives and levels of substance, in order to adapt to urbanization and metropolitan development need, the purposes of binding agent also extends thereupon.Original binding agent for the purpose of decoration, does not meet the needs of Modernized City Construction and the national economic development.So from 20 century 70s, along with the development of Modernized City Construction, building decoration, have developed a series of novel binders with specific function and purposes.
Fine arts binding agent is one of numerous kinds of binding agent; the effect that the film that in such binding agent, organic polymer material is formed plays protection, decorates, beautifies; is rich in stereoscopic sensation; form various beautiful pattern after its film forming, the work of fine arts drawn by traditional fine arts binding agent, its wear-resisting scratch resistance is still not ideal enough; therefore; for improving the hardness of film in such work of fine arts, intensity and toughness, extending the life-span of film, needing to do further to improve to binding agent.
Summary of the invention
The object of the invention is to make further improvement on the basis of existing wear-resisting scrape resistant binding agent, provide one to have good wear-resisting scrape resistant binding agent and preparation method thereof.
For achieving the above object, the technical solution used in the present invention is:
A kind of preparation method of binding agent of nanometer powder modification, described binding agent comprises following component with weight parts: modified silicon carbide powder 15 parts, hydroxy polyacrylate emulsion 40 parts, organic siloxane emulsion 35 parts, ammonium polyphosphate 15 parts,, wetting agent 0.3 part, pH adjusting agent 0.2 part, polyoxypropylene ethylene oxide glyceryl ether 0.3 part, di-isopropylbenzene hydroperoxide 15 parts, poly-dially phthalate 8 parts, titanium dioxide 3 parts, 3 parts, magnesium chloride, 1-Methoxy-2-propyl acetate 0.5 part, dimethyl diallyl ammonium chloride 8 parts, silicone oil 10 parts, solvent 30 parts;
Described binding agent is obtained by following steps:
A) getting particle diameter is that the silicon carbide powder of 50nm adds in flask, and then add deionized water, be warming up to 80 DEG C, dispersed with stirring, then add silane coupling agent, maintain 80 DEG C, react 2 hours under nitrogen protection, filter, washing, dry, the powder obtained is for subsequent use; In flask, add sodium laurylsulfonate 0.25g, above-mentioned solid 1g for subsequent use and phosphate buffer soln, fully stir, logical nitrogen temperature to 60 DEG C, add 0.3g Potassium Persulphate and 3.5g methyl methacrylate, react 24 hours, after filtration, washing, dry, obtain modified silicon carbide powder;
B) hydroxy polyacrylate emulsion 40 parts is taken respectively, organic siloxane emulsion 35 parts, ammonium polyphosphate 15 parts, silicone oil 10 parts, solvent 30 parts, add in container, be uniformly mixed with the speed of 500 revs/min, dispersed with stirring 30 minutes, again by modified silicon carbide powder 15 parts, wetting agent 0.3 part, pH adjusting agent 0.2 part, di-isopropylbenzene hydroperoxide 15 parts, poly-dially phthalate 8 parts, dimethyl diallyl ammonium chloride 8 parts, titanium dioxide 3 parts, 3 parts, magnesium chloride and polyoxypropylene ethylene oxide glyceryl ether 0.2 part add in said mixture successively, stirring 20 minutes is continued with the speed of 450 revs/min, finally add 1-Methoxy-2-propyl acetate 0.5 part and polyoxypropylene ethylene oxide glyceryl ether 0.1 part again, stirring 30 minutes is continued with the speed of 450 revs/min, obtain the binding agent of the binding agent of nanometer powder modification.
Sanitas 0.2 weight part is also comprised in described adhesive composition.
The preparation process of described adhesive composition is carried out at 25 DEG C.
Diatomite 2 weight part is also comprised in described adhesive composition.
beneficial effect
Beneficial effect of the present invention is to employ modified silicon carbide powder in binding agent, is coated with film strength, hardness and toughness after effectively improve binding agent film forming; Silicon carbide powder surface is modified by polymethylmethacrylate, use it in binding agent, each Interaction of substituents in the polymkeric substance on modified silicon carbide powder surface and hydroxy polyacrylate, polyoxypropylene ethylene oxide glyceryl ether, di-isopropylbenzene hydroperoxide, poly-dially phthalate, 1-Methoxy-2-propyl acetate and organopolysiloxane, further increase the hardness of film, intensity and scratch resistance, extend the work-ing life of film.
Embodiment
For more detailed description summary of the invention of the present invention, further illustrate below in conjunction with specific embodiment.
embodiment 1
The preparation of modified silicon carbide powder: getting particle diameter is that the silicon carbide powder of 50nm adds in flask, then adds deionized water, is warming up to 80 DEG C, dispersed with stirring, then add silane coupling agent, maintain 80 DEG C, react 2 hours under nitrogen protection, filter, washing, dry, the powder obtained is for subsequent use; In flask, add sodium laurylsulfonate 0.25g, above-mentioned solid 1g for subsequent use and phosphate buffer soln, fully stir, logical nitrogen temperature to 60 DEG C, add 0.3g Potassium Persulphate and 3.5g methyl methacrylate, react 24 hours, after filtration, washing, dry, obtain modified silicon carbide powder;
The preparation of binding agent: take hydroxy polyacrylate emulsion 40 parts respectively, organic siloxane emulsion 35 parts, ammonium polyphosphate 15 parts, silicone oil 10 parts, solvent 30 parts, add in container, be uniformly mixed with the speed of 500 revs/min, dispersed with stirring 30 minutes, again by modified silicon carbide powder 15 parts, wetting agent 0.3 part, pH adjusting agent 0.2 part, di-isopropylbenzene hydroperoxide 15 parts, poly-dially phthalate 8 parts, dimethyl diallyl ammonium chloride 8 parts, titanium dioxide 3 parts, 3 parts, magnesium chloride and polyoxypropylene ethylene oxide glyceryl ether 0.2 part add in said mixture successively, stirring 20 minutes is continued with the speed of 450 revs/min, finally add 1-Methoxy-2-propyl acetate 0.5 part and polyoxypropylene ethylene oxide glyceryl ether 0.1 part again, stirring 30 minutes is continued with the speed of 450 revs/min, obtain the binding agent of the wear-resisting scuff of nanometer powder modification.
comparative example 1
Take hydroxy polyacrylate emulsion 40 parts respectively, organic siloxane emulsion 30 parts, ammonium polyphosphate 10 parts, solvent 20 parts, add in container, be uniformly mixed with the speed of 400 revs/min at 25 DEG C, dispersed with stirring 30 minutes, again by wetting agent 0.3 part, pH adjusting agent 0.2 part, di-isopropylbenzene hydroperoxide 15 parts, titanium dioxide 3 parts, 3 parts, magnesium chloride, 2 parts, diatomite, sanitas 0.2 part and polyoxypropylene ethylene oxide glyceryl ether 0.2 add in said mixture successively, stirring 20 minutes is continued with the speed of 450 revs/min, finally add 1-Methoxy-2-propyl acetate 0.5 part and polyoxypropylene ethylene oxide glyceryl ether 0.1 part again, stirring 30 minutes is continued with the speed of 450 revs/min, obtain the binding agent of wear-resisting scrape resistant.
Table 1 coating shock resistance and the contrast of wear resistance experimental result
Claims (4)
1. the preparation method of the binding agent of a nanometer powder modification, it is characterized in that described binding agent comprises following component with weight parts: modified silicon carbide powder 15 parts, hydroxy polyacrylate emulsion 40 parts, organic siloxane emulsion 35 parts, ammonium polyphosphate 15 parts, wetting agent 0.3 part, pH adjusting agent 0.2 part, polyoxypropylene ethylene oxide glyceryl ether 0.3 part, di-isopropylbenzene hydroperoxide 15 parts, poly-dially phthalate 8 parts, titanium dioxide 3 parts, 3 parts, magnesium chloride, 1-Methoxy-2-propyl acetate 0.5 part, dimethyl diallyl ammonium chloride 8 parts, silicone oil 10 parts, solvent 30 parts,
Described binding agent is obtained by following steps:
A) getting particle diameter is that the silicon carbide powder of 50nm adds in flask, and then add deionized water, be warming up to 80 DEG C, dispersed with stirring, then add silane coupling agent, maintain 80 DEG C, react 2 hours under nitrogen protection, filter, washing, dry, the powder obtained is for subsequent use; In flask, add sodium laurylsulfonate 0.25g, above-mentioned solid 1g for subsequent use and phosphate buffer soln, fully stir, logical nitrogen temperature to 60 DEG C, add 0.3g Potassium Persulphate and 3.5g methyl methacrylate, react 24 hours, after filtration, washing, dry, obtain modified silicon carbide powder;
B) hydroxy polyacrylate emulsion 40 parts is taken respectively, organic siloxane emulsion 35 parts, ammonium polyphosphate 15 parts, silicone oil 10 parts, solvent 30 parts, add in container, be uniformly mixed with the speed of 500 revs/min, dispersed with stirring 30 minutes, again by modified silicon carbide powder 15 parts, wetting agent 0.3 part, pH adjusting agent 0.2 part, di-isopropylbenzene hydroperoxide 15 parts, poly-dially phthalate 8 parts, dimethyl diallyl ammonium chloride 8 parts, titanium dioxide 3 parts, 3 parts, magnesium chloride and polyoxypropylene ethylene oxide glyceryl ether 0.2 part add in said mixture successively, stirring 20 minutes is continued with the speed of 450 revs/min, finally add 1-Methoxy-2-propyl acetate 0.5 part and polyoxypropylene ethylene oxide glyceryl ether 0.1 part again, stirring 30 minutes is continued with the speed of 450 revs/min, obtain the binding agent of nanometer powder modification.
2. preparation method according to claim 1, is characterized in that: also comprise sanitas 0.2 weight part in adhesive composition.
3. preparation method according to claim 1, is characterized in that: the preparation process of adhesive composition is carried out at 25 DEG C.
4. preparation method according to claim 1, is characterized in that: also comprise diatomite 2 weight part in adhesive composition.
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| CN110157362B (en) * | 2019-06-10 | 2021-03-19 | 浙江理工大学 | Preparation method of water-based flame-retardant nano composite adhesive |
| CN113956800B (en) * | 2021-11-23 | 2023-05-26 | 苏州赛伍应用技术股份有限公司 | Adhesive-reducing composition and preparation method and application thereof |
| CN114702935B (en) * | 2022-03-11 | 2023-09-12 | 苏州艾迪亨斯胶粘技术有限公司 | Modified silane sealant and preparation method thereof |
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| CN101210157A (en) * | 2006-12-31 | 2008-07-02 | 郑旷宇 | Micron nano material composite modified water-based adhesive |
| CN102994015B (en) * | 2011-09-09 | 2015-02-11 | 中国科学院化学研究所 | Primer used for waterless offset printing plate-making, and preparation method and application thereof |
| CN103342976A (en) * | 2013-06-26 | 2013-10-09 | 苏州天脉导热科技有限公司 | Short-term high-temperature resistant acrylic-based composition and method for preparing heat conducting fin by using same |
| CN104087186A (en) * | 2014-02-27 | 2014-10-08 | 天诺光电材料股份有限公司 | Heat conducting adhesive tape and preparation method thereof |
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Inventor after: Tan Xiaolei Inventor after: Xiang Jinsong Inventor after: Shen Huihua Inventor after: Wu Haiping Inventor before: Ye Guangming |
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Effective date of registration: 20161209 Address after: 201514 Shanghai city Jinshan District Zhangyan town Qin village seven groups Patentee after: SHANGHAI HANSI INDUSTRIAL CO., LTD. Address before: 311800 Zhuji, Zhejiang, Jiyang City Street Ma Ling village, No. 36 Patentee before: Ye Guangming |