CN101812249A - Resin-coated aluminum pigment and preparation method thereof - Google Patents

Resin-coated aluminum pigment and preparation method thereof Download PDF

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Publication number
CN101812249A
CN101812249A CN 201010167648 CN201010167648A CN101812249A CN 101812249 A CN101812249 A CN 101812249A CN 201010167648 CN201010167648 CN 201010167648 CN 201010167648 A CN201010167648 A CN 201010167648A CN 101812249 A CN101812249 A CN 101812249A
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mixture
reactor
aluminium
resin
butyl acetate
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CN 201010167648
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CN101812249B (en
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梁晓斌
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Zuxing New Material Co ltd
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CHANGSHA ZUXING METALLIC PIGMENT Co Ltd
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Abstract

The invention discloses a resin-coated aluminum pigment and a preparation method thereof. The resin-coated aluminum pigment is prepared from the raw materials of a mixture A, a mixture B, butyl acetate and an aluminum paste, wherein the mixture A comprises 38 to 50 weight percent of hydroxypropyl methacrylate, 5 to 10 weight percent of methyl methacrylate, 12 to 20 weight percent of phenylethylene, 21 to 30 weight percent of butyl acrylate and 12 to 20 weight percent of methacrylic acid; the mixture B comprises 20 to 30 weight percent of benzoperoxide and 70 to 80 weight percent of tertiary-butyl benzoperoxide; and the weight ratio of the aluminum powder in the mixture A to the aluminum powder in the mixture B to the aluminum powder in the butyl acetate and the aluminum powder in the aluminum paste is equal to 56-60:4-6:190-210:65-75. The resin-coated aluminum pigment keeps the metallic luster of aluminum pigments and has very strong corrosion resistance.

Description

A kind of resin-coated type aluminium pigment and manufacture method thereof
Technical field
The present invention relates to a kind of pigment and manufacture method thereof, especially relate to a kind of resin-coated type aluminium pigment and manufacture method thereof.
Background technology
Existing each eka-aluminum pigment corrosion resistance is relatively poor, with the product of its manufacturing, uses 2-3, and it is dim that its metalluster will become, even lose metalluster.
Summary of the invention
The objective of the invention is to overcome the above-mentioned defective that existing aluminium pigment exists, provide a kind of corrosion resistance good resin-coated type aluminium pigment and manufacture method thereof.
The present invention's resin-coated type aluminium pigment is formed by following preparation of raw material: A mixture, B mixture, N-BUTYL ACETATE and aluminium paste, and described A mixture contains Rocryl 410 38-50wt%, methyl methacrylate 5-10wt%, vinylbenzene 12-20wt%, butyl acrylate 21-30wt%, methacrylic acid 12-20wt%; Described B mixture contains benzoyl peroxide 20-30wt%, tert-butyl hydroperoxide benzoyl 70-80wt%; Aluminium powder weight proportion in A mixture, B mixture, N-BUTYL ACETATE and the aluminium paste is: the A mixture: B mixture: N-BUTYL ACETATE: aluminium powder=56-60:4-6:190-210:65-75.
In the aluminium paste, the granularity of aluminum particulate can be definite according to user's needs, generally can be at D 50Select between=5-30 the micron;
The manufacture method of the present invention's resin-coated type aluminium pigment comprises the steps:
(1) A mixture preparation: take by weighing following material by weight: Rocryl 410 38-50wt%, methyl methacrylate 5-10wt%, vinylbenzene 12-20wt%, butyl acrylate 21-30wt%, methacrylic acid 12-20wt%, described five kinds of materials are mixed at normal temperatures, stir, promptly get the A mixture;
(2) B mixture preparation: take by weighing following material by weight: benzoyl peroxide 20-30wt%, tert-butyl hydroperoxide benzoyl 70-80wt% mixes described two kinds of materials at normal temperatures, stirs, and promptly gets the B mixture;
(3) take by weighing N-BUTYL ACETATE by the predetermined weight ratio and place reactor, the reactor heat temperature raising to 120-130 ℃, is added the A miscellany, stir, N-BUTYL ACETATE and A mixture are mixed;
(4) add in the reactor than taking by weighing selected aluminium paste (there is sale in market) by predetermined weight, at the uniform velocity stir, make the mixing of materials in the reactor even;
(5) take by weighing the B mixture by the predetermined weight ratio, join in the reactor, reactor keeps whipped state, and continuous inflated with nitrogen in reactor, makes it to be under the nitrogen atmosphere;
(6) reactor is warmed up to 120-130 ℃, and is incubated 8-10 hour, the material in the reactor is fully reacted;
(7) material in the reactor is cooled to room temperature, takes out then, again with the screening of 400-600 eye mesh screen, get undersized material, press filtration, getting aluminium content is the filter cake of 75-85wt%, afterwards, according to mineral oil with contain the weight ratio of aluminium filter cake 3:1, clean containing the aluminium filter cake with mineral oil, and then press filtration to become aluminium content be the filter cake of 75-85wt%, again filter cake is put in the kneader, add the N-BUTYL ACETATE that is equivalent to filter cake weight 30-40wt%, mediate, promptly obtain resin-coated type aluminium pigment.
The resin-coated amount of the present invention's resin-coated type aluminium pigment is about 160 grams/100 gram aluminium powders.
Through check, the present invention's resin-coated type aluminium pigment has kept the metalluster of aluminium pigment, also has extremely strong corrosion resistance.
Embodiment
The invention will be further described below in conjunction with embodiment.
Embodiment 1
(1) A mixture preparation: take by weighing following material by weight: Rocryl 410 23kg, methyl methacrylate 5kg, vinylbenzene 8kg, butyl acrylate 14kg, methacrylic acid 8kg, described five kinds of materials are mixed at normal temperatures, stir, promptly get A mixture 58kg; (2) B mixture preparation: take by weighing following material by weight: benzoyl peroxide 1kg, tert-butyl hydroperoxide benzoyl 4kg mixes described two kinds of materials at normal temperatures, stirs, and promptly gets B mixture 5kg; (3) take by weighing N-BUTYL ACETATE 200kg and place reactor,, add A miscellany 58kg, at the uniform velocity stir, N-BUTYL ACETATE and A mixture are mixed reactor heat temperature raising to 125 ℃; (4) (aluminium content is 70%, promptly wherein contains aluminium 70kg to take by weighing selected aluminium paste 100kg; Aluminum particulate particle diameter D 50=10 microns) add in the reactor, at the uniform velocity stir, make the mixing of materials in the reactor equal; (5) the 5kgB mixture is joined in the reactor, reactor keeps whipped state, and continuous inflated with nitrogen in reactor, makes it to be under the nitrogen atmosphere; (6) reactor is warmed up to 125 ℃, and is incubated 9 hours, the material in the reactor is fully reacted; (7) material in the reactor is cooled to room temperature, takes out then, sieve with 500 eye mesh screens again, get undersized material, press filtration makes aluminium content and is about 80% filter cake, afterwards, clean containing the aluminium filter cake with small amount of mineral oil (mineral oil and filter cake after pressure filtration weight ratio are 3:1), and then press filtration becomes aluminium content to be about 80% filter cake, then filter cake is put in the kneader, adds the 38KG N-BUTYL ACETATE, mediate, promptly obtain the about 145kg(solid content of resin-coated type aluminium pigment and be about 55%; ).
The resin-coated amount of this kind resin-coated type aluminium pigment is about 160 grams/100 gram aluminium powders.Through check, the resin-coated type aluminium pigment that makes has thus kept the metalluster of aluminium pigment, also has extremely strong corrosion resistance: it is joined concentration is in 5% the NaOH liquid, boil 100 ℃ 24 hours, the constant color of aluminium.
Embodiment 2
(1) A mixture preparation: take by weighing following material by weight: Rocryl 410 22kg, methyl methacrylate 5kg, vinylbenzene 8kg, butyl acrylate 14kg, methacrylic acid 8kg, described five kinds of materials are mixed at normal temperatures, stir, promptly get A mixture 57kg; (2) B mixture preparation: take by weighing following material by weight: benzoyl peroxide 1kg, tert-butyl hydroperoxide benzoyl 4kg mixes described two kinds of materials at normal temperatures, stirs, and promptly gets B mixture 5kg; (3) take by weighing N-BUTYL ACETATE 202kg and place reactor,, add the A miscellany, at the uniform velocity stir, N-BUTYL ACETATE and A mixture are mixed the slow heat temperature raising 120-130 of reactor ℃; (4) (aluminium content is 70%, promptly wherein contains aluminium 68.6kg to take by weighing selected aluminium paste 98kg; Aluminum particulate particle diameter D 50=20 microns) add in the reactor, at the uniform velocity stir, make the mixing of materials in the reactor equal; (5) the 5kgB mixture is joined in the reactor, reactor keeps whipped state, and continuous inflated with nitrogen in reactor, makes it to be under the nitrogen atmosphere; (6) reactor is warmed up to 122 ℃, and is incubated 10 hours, the material in the reactor is fully reacted; (7) material in the reactor is cooled to room temperature, takes out then, sieve with 500 eye mesh screens again, get undersized material, press filtration makes aluminium content and is about 80% filter cake, afterwards, according to mineral oil and the weight ratio that contains aluminium filter cake 3:1, contain the aluminium filter cake with the mineral oil cleaning, and then press filtration becomes aluminium content to be about 80% filter cake, then filter cake is put in the kneader, add the 37KG N-BUTYL ACETATE, mediate, promptly obtain the about 144kg(solid content of resin-coated type aluminium pigment and be about 54%; ).
The resin-coated amount of this kind resin-coated type aluminium pigment is about 159 grams/100 gram aluminium powders.Through check, the resin-coated type aluminium pigment that makes has thus kept the metalluster of aluminium pigment, also has extremely strong corrosion resistance: it is joined concentration is to boil 100 degree in 5% the NaOH liquid 24 hours, the constant color of aluminium.
Embodiment 3
(1) A mixture preparation: take by weighing following material by weight: Rocryl 410 24kg, methyl methacrylate 5kg, vinylbenzene 9kg, butyl acrylate 14kg, methacrylic acid 59kg, described five kinds of materials are mixed at normal temperatures, stir, promptly get A mixture 59kg; (2) B mixture preparation: take by weighing following material by weight: benzoyl peroxide 1.2kg, tert-butyl hydroperoxide benzoyl 4kg mixes described two kinds of materials at normal temperatures, stirs, and promptly gets B mixture 5.2kg; (3) take by weighing N-BUTYL ACETATE 198kg and place reactor,, add the A miscellany, at the uniform velocity stir, N-BUTYL ACETATE and A mixture are mixed the slow heat temperature raising 120-130 of reactor ℃; (4) (aluminium content is 70%, promptly wherein contains aluminium 68.6kg to take by weighing selected aluminium paste 98kg; Aluminum particulate particle diameter D 50=20 microns) add in the reactor, at the uniform velocity stir, make the mixing of materials in the reactor equal; (5) the 5kgB mixture is joined in the reactor, reactor keeps whipped state, and continuous inflated with nitrogen in reactor, makes it to be under the nitrogen atmosphere; (6) reactor is warmed up to 128 ℃, and is incubated 8.5 hours, the material in the reactor is fully reacted; (7) material in the reactor is cooled to room temperature, takes out then, sieve with 500 eye mesh screens again, get undersized material, press filtration makes aluminium content and is about 80% filter cake, afterwards, according to mineral oil and the weight ratio that contains aluminium filter cake 3:1, contain the aluminium filter cake with the mineral oil cleaning, and then press filtration becomes aluminium content to be about 80% filter cake, then filter cake is put in the kneader, add the 39KG N-BUTYL ACETATE, mediate, promptly obtain the about 146kg(solid content of resin-coated type aluminium pigment and be about 56%; ).
The resin-coated amount of this kind resin-coated type aluminium pigment is about 161 grams/100 gram aluminium powders.Through check, the resin-coated type aluminium pigment that makes has thus kept the metalluster of aluminium pigment, also has extremely strong corrosion resistance: it is joined concentration is to boil 100 degree in 5% the NaOH solution 24 hours, the constant color of aluminium.

Claims (2)

1. resin-coated type aluminium pigment, it is characterized in that, form by following preparation of raw material: A mixture, B mixture, N-BUTYL ACETATE and aluminium paste, described A mixture contains Rocryl 410 38-50wt%, methyl methacrylate 5-10wt%, vinylbenzene 12-20wt%, butyl acrylate 21-30wt%, methacrylic acid 12-20wt%; Described B mixture contains benzoyl peroxide 20-30wt%, tert-butyl hydroperoxide benzoyl 70-80wt%; Aluminium powder weight proportion in A mixture, B mixture, N-BUTYL ACETATE and the aluminium paste is: the A mixture: B mixture: N-BUTYL ACETATE: aluminium powder=56-60:4-6:190-210:65-75.
2. the manufacture method of a resin-coated type aluminium pigment is characterized in that, comprises the steps:
(1) A mixture preparation: take by weighing following material by weight: Rocryl 410 38-50wt%, methyl methacrylate 5-10wt%, vinylbenzene 12-20wt%, butyl acrylate 21-30wt%, methacrylic acid 12-20wt%, described five kinds of materials are mixed at normal temperatures, stir, promptly get the A mixture;
(2) B mixture preparation: take by weighing following material by weight: benzoyl peroxide 20-30wt%, tert-butyl hydroperoxide benzoyl 70-80wt% mixes described two kinds of materials at normal temperatures, stirs, and promptly gets the B mixture;
(3) take by weighing N-BUTYL ACETATE by the predetermined weight ratio and place reactor, the reactor heat temperature raising to 120-130 ℃, is added the A miscellany, stir, N-BUTYL ACETATE and A mixture are mixed;
(4) add in the reactor than taking by weighing selected aluminium paste (there is sale in market) by predetermined weight, at the uniform velocity stir, make the mixing of materials in the reactor even;
(5) take by weighing the B mixture by the predetermined weight ratio, join in the reactor, reactor keeps whipped state, and continuous inflated with nitrogen in reactor, makes it to be under the nitrogen atmosphere;
(6) reactor is warmed up to 120-130 ℃, and is incubated 8-10 hour, the material in the reactor is fully reacted;
(7) material in the reactor is cooled to room temperature, takes out then, again with the screening of 400-600 eye mesh screen, get undersized material, press filtration, aluminium content is the filter cake of 75-85wt%, afterwards, according to mineral oil and the weight ratio that contains aluminium filter cake 3:1, clean aluminium pigment with mineral oil, it is the filter cake of 75-85wt% that the aluminium pigment press filtration that will clean again becomes aluminium content, again filter cake is put in the kneader, add the N-BUTYL ACETATE that is equivalent to filter cake weight 30-40wt%, mediate, promptly obtain resin-coated type aluminium pigment.
CN201010167648XA 2010-05-11 2010-05-11 Resin-coated aluminum pigment and preparation method thereof Active CN101812249B (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104277567A (en) * 2014-10-27 2015-01-14 合肥旭阳铝颜料有限公司 Highly dispersed luminous aluminum pigment and preparation method thereof
CN104341804A (en) * 2014-10-27 2015-02-11 合肥旭阳铝颜料有限公司 Moldproof magnetic aluminum pigment and preparation method thereof
CN104530776A (en) * 2014-12-18 2015-04-22 常熟市环虹化工颜料厂 Preparation method of corrosion-resistant aluminum pigment
CN108976891A (en) * 2018-08-09 2018-12-11 阜阳市诗雅涤新材料科技有限公司 A kind of hard monomer cladding aluminium silver powder and its production method and application
CN111748224A (en) * 2020-07-04 2020-10-09 上海灿达建材科技有限公司 Aluminum powder coating for water-based paint and treatment process thereof
CN112143317A (en) * 2020-10-19 2020-12-29 漳州鑫展旺化工有限公司 Water-based hub environment-friendly paint and preparation method thereof
CN112679999A (en) * 2020-12-29 2021-04-20 长沙族兴新材料股份有限公司 Aluminum pigment for fluorocarbon powder coating and preparation method thereof
CN116023807A (en) * 2022-12-08 2023-04-28 合肥旭阳铝颜料有限公司 Aluminum pigment for powder coating and preparation method and application thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87102226A (en) * 1986-03-19 1987-09-23 住友电气工业株式会社 Fluororesin-coated alumina
CN1097015A (en) * 1993-06-29 1995-01-04 杜鹤年 Flash coloured minute surface sheet decorative pigment and manufacturing process thereof
JP2002155243A (en) * 2000-11-22 2002-05-28 Nippon Paint Co Ltd Method for forming bright film and coated material
CN101580653A (en) * 2009-06-10 2009-11-18 华南理工大学 Organic-inorganic hybrid nanometer film coating aluminum powder pigment and preparation method and application thereof

Patent Citations (4)

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CN87102226A (en) * 1986-03-19 1987-09-23 住友电气工业株式会社 Fluororesin-coated alumina
CN1097015A (en) * 1993-06-29 1995-01-04 杜鹤年 Flash coloured minute surface sheet decorative pigment and manufacturing process thereof
JP2002155243A (en) * 2000-11-22 2002-05-28 Nippon Paint Co Ltd Method for forming bright film and coated material
CN101580653A (en) * 2009-06-10 2009-11-18 华南理工大学 Organic-inorganic hybrid nanometer film coating aluminum powder pigment and preparation method and application thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
《华南理工大学学报(自然科学版)》 20100228 高爱环等 铝颜料的聚丙烯酸酯与SiO2双重包覆改性 全文 1-2 第38卷, 第2期 *

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104277567A (en) * 2014-10-27 2015-01-14 合肥旭阳铝颜料有限公司 Highly dispersed luminous aluminum pigment and preparation method thereof
CN104341804A (en) * 2014-10-27 2015-02-11 合肥旭阳铝颜料有限公司 Moldproof magnetic aluminum pigment and preparation method thereof
CN104341804B (en) * 2014-10-27 2016-04-13 合肥旭阳铝颜料有限公司 A kind of mildew-resistant magnetic aluminum pigment and preparation method thereof
CN104530776A (en) * 2014-12-18 2015-04-22 常熟市环虹化工颜料厂 Preparation method of corrosion-resistant aluminum pigment
CN104530776B (en) * 2014-12-18 2016-09-28 温州维特利颜料科技有限公司 A kind of preparation method of corrosion-resisting aluminium pigment
CN108976891A (en) * 2018-08-09 2018-12-11 阜阳市诗雅涤新材料科技有限公司 A kind of hard monomer cladding aluminium silver powder and its production method and application
CN111748224A (en) * 2020-07-04 2020-10-09 上海灿达建材科技有限公司 Aluminum powder coating for water-based paint and treatment process thereof
CN112143317A (en) * 2020-10-19 2020-12-29 漳州鑫展旺化工有限公司 Water-based hub environment-friendly paint and preparation method thereof
CN112679999A (en) * 2020-12-29 2021-04-20 长沙族兴新材料股份有限公司 Aluminum pigment for fluorocarbon powder coating and preparation method thereof
CN112679999B (en) * 2020-12-29 2022-07-19 长沙族兴新材料股份有限公司 Aluminum pigment for fluorocarbon powder coating and preparation method thereof
CN116023807A (en) * 2022-12-08 2023-04-28 合肥旭阳铝颜料有限公司 Aluminum pigment for powder coating and preparation method and application thereof
CN116023807B (en) * 2022-12-08 2024-03-26 合肥旭阳铝颜料有限公司 Aluminum pigment for powder coating and preparation method and application thereof

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