CN104031430B - A kind ofly improve dispersed modified nano-titanium dioxide and preparation method thereof - Google Patents
A kind ofly improve dispersed modified nano-titanium dioxide and preparation method thereof Download PDFInfo
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- CN104031430B CN104031430B CN201410197822.3A CN201410197822A CN104031430B CN 104031430 B CN104031430 B CN 104031430B CN 201410197822 A CN201410197822 A CN 201410197822A CN 104031430 B CN104031430 B CN 104031430B
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Abstract
The invention discloses a kind of modified nano-titanium dioxide improving dispersiveness, it is characterized in that, be made up of the raw material of following weight part: nano titanium oxide 85-90, nano kaoline 2-4, vinyltrimethoxy silane 1-1.5, cotton fiber powder 3-4, isotatic polypropylene 5-7, Rocryl 410 5.5-6.6, OP-10? 0.8-1.3, guar gum flour 1-2, molybdenumdisulphide 1-2, improved silica 2-3; The present invention is by adding the kaolin being easy to disperse and the molybdenumdisulphide with lubricant effect, make the powder homogeneity of preparation better, add cotton fiber etc., increase powder surface aperture, add improved silica and add stability and the adsorptivity of product, and coating mixing rear surface is easily moistening is beneficial to dispersion, greatly improve the adhesive ability of titanium dioxide and resin, and preparation method is simple, raw material is simple and easy to get, conveniently promotes the use of.
Description
Technical field
The present invention relates to industrial filler field, particularly a kind ofly improve dispersed modified nano-titanium dioxide and preparation method thereof.
Background technology
Because nano titanium oxide has good anti-ultraviolet property, good weathering resistance, chemical resistance, thermotolerance, photocatalytic, thermostability, the feature such as harmless, be widely used in pigment as industries such as coating, rubber, plastics, papermaking, be also widely used as photocatalyst, photoelectric cell, ultraviolet screening agent etc. simultaneously; Not surface treated nano titanium oxide surface is generally coated by polar group (as-OH) institute, so nano titanium oxide easily produces reunion because of polar adsorption or moisture absorption, become the larger-size coacervate with some loosely-boned interface, and be difficult to be scattered in organic solvent, thus its application is industrially limited by very large; Therefore carry out finishing to nano titanium oxide, it is very important for improving its dispersiveness in a solvent, reducing secondary agglomeration, although the large quality product of China's nano titanium oxide output is not high, larger with the product gap of external some esbablished corporations.So it is very necessary for developing a kind of method of producing high-quality modified nano-titanium dioxide.
Summary of the invention
The object of this invention is to provide and a kind ofly improve dispersed modified nano-titanium dioxide and preparation method thereof.
In order to realize object of the present invention, the present invention is by following scheme implementation:
Improve a dispersed modified nano-titanium dioxide, be made up of the raw material of following weight part: nano titanium oxide 85-90, nano kaoline 2-4, vinyltrimethoxy silane 1-1.5, cotton fiber powder 3-4, isotatic polypropylene 5-7, Rocryl 410 5.5-6.6, OP-100.8-1.3, guar gum flour 1-2, molybdenumdisulphide 1-2, improved silica 2-3;
Described improved silica is made up of the raw material of following weight part: silicon-dioxide 55-60, nano medical stone powder 2-4, nano silicone micro mist 4-6, tri (propylene glycol) diacrylate 5-7,1-hydroxyethyl-2-oil-based imidazoline 1-2, cobalt naphthenate 3-4, glycidyl acrylate 3-5, EDETATE SODIUM 2-4, water 50-60; Preparation method be first add nano silicon, nano medical stone powder, nano silicone micro mist, 1-hydroxyethyl-2-oil-based imidazoline, water stirs, form suspension, dry at 55-60 DEG C to water content 2-3%, then tri (propylene glycol) diacrylate, cobalt naphthenate, glycidyl acrylate is added immediately, be heated to 130-150 DEG C, mix and blend 25-35 minute, be cooled to room temperature, then all the other remaining components are added, 1-2 hour is stirred under 1200-1500 rev/min of condition, dry at 60-70 DEG C, grind and get final product.
A kind of modified nano-titanium dioxide improving dispersiveness of the present invention, be made up of following concrete steps:
(1) nano titanium oxide, nano kaoline, vinyltrimethoxy silane, cotton fiber powder, molybdenumdisulphide are mixed and adds in shredder, with the speed of 1500-2000 rev/min grinding 15-20 minute, obtain mixed powder stand-by;
(2) isotatic polypropylene is put into mixing machine, be heated to molten state, continue to add Rocryl 410, continue to be warming up to 130-160 DEG C, stir 20-45 minute, after cooling, pulverize to obtain rubber powder;
(3) mixed powder is mixed with rubber powder, add OP-10, guar gum flour, suitable quantity of water, stir, sonic oscillation 1-2 hour at 80 DEG C, then continue grinding 20-30 minute, form suspension stand-by;
(4) suspension mixed with improved silica, stir 10-15 minute under 800-1000 rev/min, dry, put into nano grinder and pulverize and get final product.
The invention has the beneficial effects as follows: the present invention is by adding the kaolin being easy to disperse and the molybdenumdisulphide with lubricant effect, make the powder homogeneity of preparation better, add cotton fiber etc., increase powder surface aperture, add improved silica and add stability and the adsorptivity of product, and coating mixing rear surface is easily moistening is beneficial to dispersion, greatly improve the adhesive ability of titanium dioxide and resin, and preparation method is simple, raw material is simple and easy to get, conveniently promotes the use of.
Specific embodiments
Below by specific examples, the present invention is described in detail.
Improve a dispersed modified nano-titanium dioxide, be made up of the raw material of following weight part (kilogram): nano titanium oxide 85, nano kaoline 2, vinyltrimethoxy silane 1, cotton fiber powder 3, isotatic polypropylene 5, Rocryl 410 5.5, OP-100.8, guar gum flour 1, molybdenumdisulphide 1, improved silica 2;
Described improved silica is made up of the raw material of following weight part (kilogram): silicon-dioxide 55, nano medical stone powder 2, nano silicone micro mist 4, tri (propylene glycol) diacrylate 5,1-hydroxyethyl-2-oil-based imidazoline 1, cobalt naphthenate 3, glycidyl acrylate 3, EDETATE SODIUM 2, water 50; Preparation method be first add nano silicon, nano medical stone powder, nano silicone micro mist, 1-hydroxyethyl-2-oil-based imidazoline, water stirs, form suspension, dry at 55-60 DEG C to water content 2-3%, then tri (propylene glycol) diacrylate, cobalt naphthenate, glycidyl acrylate is added immediately, be heated to 130-150 DEG C, mix and blend 25-35 minute, be cooled to room temperature, then all the other remaining components are added, 1-2 hour is stirred under 1200-1500 rev/min of condition, dry at 60-70 DEG C, grind and get final product.
A kind of modified nano-titanium dioxide improving dispersiveness of the present invention, be made up of following concrete steps:
(1) nano titanium oxide, nano kaoline, vinyltrimethoxy silane, cotton fiber powder, molybdenumdisulphide are mixed and adds in shredder, with the speed of 1500-2000 rev/min grinding 15-20 minute, obtain mixed powder stand-by;
(2) isotatic polypropylene is put into mixing machine, be heated to molten state, continue to add Rocryl 410, continue to be warming up to 130-160 DEG C, stir 20-45 minute, after cooling, pulverize to obtain rubber powder;
(3) mixed powder is mixed with rubber powder, add OP-10, guar gum flour, suitable quantity of water, stir, sonic oscillation 1-2 hour at 80 DEG C, then continue grinding 20-30 minute, form suspension stand-by;
(4) suspension mixed with improved silica, stir 10-15 minute under 800-1000 rev/min, dry, put into nano grinder and pulverize and get final product.
According to the ratio of the present embodiment, joined in coating by the unmodified nano titanium oxide good with modification, make coating, carry out film Force meansurement, result is as follows:
| Detection of content | Hardness | Sticking power | Artificial weathering ageing resistance |
| Unmodified nano titanium oxide | 0.3 | 3 grades | 600h is non-foaming does not peel off flawless |
| Modified nano-titanium dioxide | 0.45 | 2 grades | 1000h is non-foaming does not peel off flawless |
Claims (1)
1. one kind is improved dispersed modified nano-titanium dioxide, it is characterized in that, be made up of the raw material of following weight part: nano titanium oxide 85-90, nano kaoline 2-4, vinyltrimethoxy silane 1-1.5, cotton fiber powder 3-4, isotatic polypropylene 5-7, Rocryl 410 5.5-6.6, OP-100.8-1.3, guar gum flour 1-2, molybdenumdisulphide 1-2, improved silica 2-3; Described improved silica is made up of the raw material of following weight part: silicon-dioxide 55-60, nano medical stone powder 2-4, nano silicone micro mist 4-6, tri (propylene glycol) diacrylate 5-7,1-hydroxyethyl-2-oil-based imidazoline 1-2, cobalt naphthenate 3-4, glycidyl acrylate 3-5, EDETATE SODIUM 2-4, water 50-60; The preparation method of described improved silica be first add nano silicon, nano medical stone powder, nano silicone micro mist, 1-hydroxyethyl-2-oil-based imidazoline, water stirs, form suspension, dry at 55-60 DEG C to water content 2-3%, then tri (propylene glycol) diacrylate, cobalt naphthenate, glycidyl acrylate is added immediately, be heated to 130-150 DEG C, mix and blend 25-35 minute, be cooled to room temperature, then all the other remaining components are added, 1-2 hour is stirred under 1200-1500 rev/min of condition, dry at 60-70 DEG C, grind and get final product; Described a kind of modified nano-titanium dioxide improving dispersiveness, is characterized in that, be made up of following concrete steps:
(1) nano titanium oxide, nano kaoline, vinyltrimethoxy silane, cotton fiber powder, molybdenumdisulphide are mixed and adds in shredder, with the speed of 1500-2000 rev/min grinding 15-20 minute, obtain mixed powder stand-by;
(2) isotatic polypropylene is put into mixing machine, be heated to molten state, continue to add Rocryl 410, continue to be warming up to 130-160 DEG C, stir 20-45 minute, after cooling, pulverize to obtain rubber powder;
(3) mixed powder is mixed with rubber powder, add OP-10, guar gum flour, suitable quantity of water, stir, sonic oscillation 1-2 hour at 80 DEG C, then continue grinding 20-30 minute, form suspension stand-by;
(4) suspension mixed with improved silica, stir 10-15 minute under 800-1000 rev/min, dry, put into nano grinder and pulverize and get final product.
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| CN106947291A (en) * | 2017-05-15 | 2017-07-14 | 广西放心源生物科技有限公司 | A kind of preparation method of modified manometer silicon dioxide |
| CN106947292A (en) * | 2017-05-15 | 2017-07-14 | 广西放心源生物科技有限公司 | A kind of preparation method for the nano silicon that surface is modified |
| CN106947293A (en) * | 2017-05-15 | 2017-07-14 | 广西放心源生物科技有限公司 | A kind of method of surface treating nano silica |
| CN113583737B (en) * | 2021-05-28 | 2022-05-20 | 广西大学 | By using nano SiO2Preparation method of modified palm insulating oil |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101885926A (en) * | 2010-07-16 | 2010-11-17 | 四川龙蟒钛业股份有限公司 | Method for producing rutile type titanium white powder with high hiding power |
| CN102924979A (en) * | 2012-11-05 | 2013-02-13 | 昆明理工大学 | Method for preparing inorganic and organic coating titanium dioxide |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101885926A (en) * | 2010-07-16 | 2010-11-17 | 四川龙蟒钛业股份有限公司 | Method for producing rutile type titanium white powder with high hiding power |
| CN102924979A (en) * | 2012-11-05 | 2013-02-13 | 昆明理工大学 | Method for preparing inorganic and organic coating titanium dioxide |
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Effective date of registration: 20151209 Address after: 238131 Anhui Province, Ma'anshan City Industrial Park in Qingxi Hanshan County Applicant after: Zhang Jiajun Address before: 200120 Shanghai City, Pudong New Area Jinhai Road No. 2360 Applicant before: Gu Yu |
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Effective date of registration: 20180827 Address after: 418000 Huaihua County Industrial Park, Hunan Patentee after: Huaihua Furui titanium New Material Co., Ltd. Address before: 238131 Qingxi Industrial Park, Hanshan County, Ma'anshan, Anhui Patentee before: Zhang Jiajun |