CN104031428A - Modified nanometer titanium dioxide with stable structure and high specific surface area and preparation method thereof - Google Patents

Modified nanometer titanium dioxide with stable structure and high specific surface area and preparation method thereof Download PDF

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Publication number
CN104031428A
CN104031428A CN201410197377.0A CN201410197377A CN104031428A CN 104031428 A CN104031428 A CN 104031428A CN 201410197377 A CN201410197377 A CN 201410197377A CN 104031428 A CN104031428 A CN 104031428A
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powder
nano
parts
titanium dioxide
surface area
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CN104031428B (en
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谷屿
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Guangdong Shiquan Ultrafine Technology Co ltd
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Abstract

Disclosed modified nanometer titanium dioxide with a stable structure and a high specific surface area is characterized by being prepared from the following raw materials in parts by weight: 85-90 parts of nanometer titanium dioxide, 2-4 parts of carbon nanotube, 3-4 parts of plastic-wood poweder, 5.5-6.6 parts of nanometer aluminium hydroxide, 3-5 parts of crushed mekralon, 1-2 parts of a silane coupling agent KH-570, 6-7 parts of nylon 6 powder, 2.5-3.5 parts of carbon fiber powder, 4-5 parts of coumarone, 2-3 parts of pine tar and 2-3 parts of modified silicon dioxide. By adding plastic-wood powder, nylon 6 powder and coumarone and other compositions, the stability of the power is increased; by adding modified silicon dioxide, the stability and the adsorption property of the product are increased; carbon fiber powder is easy to disperse and helps to increase the specific surface area; after modified nanometer titanium dioxide is mixed with paint, the coating uniformity is stable, the ageing resistance is good; and also modified nanometer titanium dioxide can be used as a printing ink filling material or rubber or a plastic filling material.

Description

Modified nano-titanium dioxide of a kind of Stability Analysis of Structures high-specific surface area and preparation method thereof
Technical field
The present invention relates to industrial filler field, particularly modified nano-titanium dioxide of a kind of Stability Analysis of Structures high-specific surface area 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, also as photocatalyst, photoelectric cell, ultraviolet screening agent etc., be widely used simultaneously; Hydroxyl is contained on titanium dioxide nano-particle surface, and very easily the moisture in absorbed air, presents hydrophilic nmature, thereby is difficult for being dispersed in organic phase, causes existing between TiO 2 particles and organism serious phenomenon of phase separation.Therefore, when preparing titanium dioxide/polymer nanocomposites, first will carry out surface modification to nano-titania particle, its object is exactly to reduce the surface energy of nano titanium oxide, improves the surface properties of titanium dioxide, reduces the surface polarity of particle.So it is very necessary 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 modified nano-titanium dioxide of a kind of Stability Analysis of Structures high-specific surface area and preparation method thereof.
In order to realize object of the present invention, the present invention passes through following scheme implementation:
A modified nano-titanium dioxide for Stability Analysis of Structures high-specific surface area, is made by the raw material of following weight part: nano titanium oxide 85-90, carbon nanotube 2-4, mould wood powder 3-4, nano-aluminum hydroxide 5.5-6.6, pulverize polypropylene fibre 3-5, Silane coupling reagent KH-570 1-2, nylon 6 powder 6-7, carbon fiber powder 2.5-3.5, coumarone 4-5, Stockholm tar 2-3, improved silica 2-3;
Described improved silica is made by 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; First preparation method adds nano silicon, nano medical stone powder, nano silicone micro mist, 1-hydroxyethyl-2-oil-based imidazoline, water to stir, form suspension, at 55-60 ℃, dry to water content 2-3%, then add immediately tri (propylene glycol) diacrylate, cobalt naphthenate, glycidyl acrylate, be heated to 130-150 ℃, mix and blend 25-35 minute, be cooled to room temperature, then add all the other remaining components, under 1200-1500 rev/min of condition, stir 1-2 hour, at 60-70 ℃, dry, grind and get final product.
The modified nano-titanium dioxide of a kind of Stability Analysis of Structures high-specific surface area of the present invention, by following concrete steps, made:
(1) nano titanium oxide, carbon nanotube, pulverizing polypropylene fibre, carbon fiber powder are mixed and added in shredder, with the speed of 1500-2000 rev/min, grind 15-20 minute, obtain mixed powder stand-by;
(2) will mould wood powder, nano-aluminum hydroxide, nylon 6 powder, Stockholm tar and put into mixing machine, be warming up between 80-90 ℃, insulated and stirred half an hour, continue to add Silane coupling reagent KH-570, coumarone, continue to be warming up to 130-160 ℃, stir and pour out after 15-20 minute, cooling after, grind to obtain rubber powder;
(3) mixed powder is mixed with rubber powder, add suitable quantity of water, stir, sonic oscillation 1-2 hour at 80 ℃, then continues to grind 20-30 minute, forms suspension stand-by;
(4) suspension is 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 moulds the formulas such as wood powder, nylon 6 powder, coumarone by interpolation, increased the stability of powder, having added again improved silica has increased stability and the adsorptivity of product, carbon fiber powder is easy to disperse, increase specific surface area, after mixing with coating, film uniform and stable, resistance to deterioration is good, also can be used as ink filler or rubber or plastic filler.
Specific embodiments
Below by specific examples, the present invention is described in detail.
A modified nano-titanium dioxide for Stability Analysis of Structures high-specific surface area, by following weight part (kilogram) raw material make: nano titanium oxide 85, carbon nanotube 2, mould wood powder 3, nano-aluminum hydroxide 5.5, pulverize polypropylene fibre 3, Silane coupling reagent KH-570 1, nylon 6 powder 6, carbon fiber powder 2.5, coumarone 4, Stockholm tar 2, improved silica 2;
Described improved silica by following weight part (kilogram) raw material make: 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; First preparation method adds nano silicon, nano medical stone powder, nano silicone micro mist, 1-hydroxyethyl-2-oil-based imidazoline, water to stir, form suspension, at 55-60 ℃, dry to water content 2-3%, then add immediately tri (propylene glycol) diacrylate, cobalt naphthenate, glycidyl acrylate, be heated to 130-150 ℃, mix and blend 25-35 minute, be cooled to room temperature, then add all the other remaining components, under 1200-1500 rev/min of condition, stir 1-2 hour, at 60-70 ℃, dry, grind and get final product.
The modified nano-titanium dioxide of a kind of Stability Analysis of Structures high-specific surface area of the present invention, by following concrete steps, made:
(1) nano titanium oxide, carbon nanotube, pulverizing polypropylene fibre, carbon fiber powder are mixed and added in shredder, with the speed of 1500-2000 rev/min, grind 15-20 minute, obtain mixed powder stand-by;
(2) will mould wood powder, nano-aluminum hydroxide, nylon 6 powder, Stockholm tar and put into mixing machine, be warming up between 80-90 ℃, insulated and stirred half an hour, continue to add Silane coupling reagent KH-570, coumarone, continue to be warming up to 130-160 ℃, stir and pour out after 15-20 minute, cooling after, grind to obtain rubber powder;
(3) mixed powder is mixed with rubber powder, add suitable quantity of water, stir, sonic oscillation 1-2 hour at 80 ℃, then continues to grind 20-30 minute, forms suspension stand-by;
(4) suspension is 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 specific surface area of the modified nano-titanium dioxide that the present embodiment obtains obviously increases
Sample Former nano titanium oxide Modified nano-titanium dioxide
Specific surface area/m 2/g 80-200 140-260

Claims (2)

1. the modified nano-titanium dioxide of a Stability Analysis of Structures high-specific surface area, it is characterized in that, by the raw material of following weight part, made: nano titanium oxide 85-90, carbon nanotube 2-4, mould wood powder 3-4, nano-aluminum hydroxide 5.5-6.6, pulverize polypropylene fibre 3-5, Silane coupling reagent KH-570 1-2, nylon 6 powder 6-7, carbon fiber powder 2.5-3.5, coumarone 4-5, Stockholm tar 2-3, improved silica 2-3;
Described improved silica is made by 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; First preparation method adds nano silicon, nano medical stone powder, nano silicone micro mist, 1-hydroxyethyl-2-oil-based imidazoline, water to stir, form suspension, at 55-60 ℃, dry to water content 2-3%, then add immediately tri (propylene glycol) diacrylate, cobalt naphthenate, glycidyl acrylate, be heated to 130-150 ℃, mix and blend 25-35 minute, be cooled to room temperature, then add all the other remaining components, under 1200-1500 rev/min of condition, stir 1-2 hour, at 60-70 ℃, dry, grind and get final product.
2. a kind of modified nano-titanium dioxide of Stability Analysis of Structures high-specific surface area according to claim 1, is characterized in that, by following concrete steps, is made:
(1) nano titanium oxide, carbon nanotube, pulverizing polypropylene fibre, carbon fiber powder are mixed and added in shredder, with the speed of 1500-2000 rev/min, grind 15-20 minute, obtain mixed powder stand-by;
(2) will mould wood powder, nano-aluminum hydroxide, nylon 6 powder, Stockholm tar and put into mixing machine, be warming up between 80-90 ℃, insulated and stirred half an hour, continue to add Silane coupling reagent KH-570, coumarone, continue to be warming up to 130-160 ℃, stir and pour out after 15-20 minute, cooling after, grind to obtain rubber powder;
(3) mixed powder is mixed with rubber powder, add suitable quantity of water, stir, sonic oscillation 1-2 hour at 80 ℃, then continues to grind 20-30 minute, forms suspension stand-by;
(4) suspension is mixed with improved silica, stir 10-15 minute under 800-1000 rev/min, dry, put into nano grinder and pulverize and get final product.
CN201410197377.0A 2014-05-12 2014-05-12 A kind of modified nano-titanium dioxide of Stability Analysis of Structures high-specific surface area and preparation method thereof Expired - Fee Related CN104031428B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115895274A (en) * 2022-11-24 2023-04-04 惠州市众恺新材料有限公司 High-reflection organic silicon composite material composition and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5330953A (en) * 1992-06-20 1994-07-19 Tioxide Specialties Limited Preparation of anatase titanium dioxide
US20080098932A1 (en) * 2004-07-30 2008-05-01 Degussa Gmbh Dispersion containing titanium dioxide
CN102352135A (en) * 2011-08-15 2012-02-15 无锡豪普钛业有限公司 Silicon oxide coated titanium dioxide pigment and coating technology
EP1989264B1 (en) * 2006-01-30 2012-09-05 Kronos International, Inc. Titanium dioxide pigment featuring great opacity, and method for the production thereof
CN102993783A (en) * 2012-10-10 2013-03-27 道奇威(成都)科技有限公司 Organic surface modification method for anatase titanium dioxide for polyester synthesis

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5330953A (en) * 1992-06-20 1994-07-19 Tioxide Specialties Limited Preparation of anatase titanium dioxide
US20080098932A1 (en) * 2004-07-30 2008-05-01 Degussa Gmbh Dispersion containing titanium dioxide
EP1989264B1 (en) * 2006-01-30 2012-09-05 Kronos International, Inc. Titanium dioxide pigment featuring great opacity, and method for the production thereof
CN102352135A (en) * 2011-08-15 2012-02-15 无锡豪普钛业有限公司 Silicon oxide coated titanium dioxide pigment and coating technology
CN102993783A (en) * 2012-10-10 2013-03-27 道奇威(成都)科技有限公司 Organic surface modification method for anatase titanium dioxide for polyester synthesis

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115895274A (en) * 2022-11-24 2023-04-04 惠州市众恺新材料有限公司 High-reflection organic silicon composite material composition and preparation method thereof

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