CN104877082A - Preparation method of CAB (cellulose acetate butyrate) graft modified hydroxy acrylic resin for electrosilvering paint - Google Patents
Preparation method of CAB (cellulose acetate butyrate) graft modified hydroxy acrylic resin for electrosilvering paint Download PDFInfo
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- CN104877082A CN104877082A CN201510295305.4A CN201510295305A CN104877082A CN 104877082 A CN104877082 A CN 104877082A CN 201510295305 A CN201510295305 A CN 201510295305A CN 104877082 A CN104877082 A CN 104877082A
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Abstract
The invention discloses a preparation method of CAB (cellulose acetate butyrate) graft modified hydroxy acrylic resin for electrosilvering paint. The preparation method has the advantages that the CAB modified hydroxy acrylic resin is compounded according to technologies such as solution polymerization and graft modification to obtain the hydroxy acrylic resin type electrosilvering paint with high grafting ratio and excellent electrosilvering arrangement and other physical and mechanical properties, and accordingly, resin performance of the electrosilvering paint can be met well.
Description
Technical field
The invention belongs to paint field, be specifically related to the preparation method of electrosilvering coating CAB graft modification Hydroxylated acrylic resin.
Background technology
At present, the metal casing surface protective decorative coveringn of each electric appliances (as mobile phone, panel computer etc.) mainly adopts vapour deposition or electrochemical plating process.Pollute man-hour not quite although vapour deposition process adds, its apparatus expensive, complicated operation; Its strength of coating is inadequate simultaneously, uses for some time easily to come off, makes body seem very shabby; The color and luster of coating is also often bright-coloured not in addition.And although the coating intensity that electroplating process generates is high, its process of manufacture material waste is large, destroys also very serious to the pollution of environment.
Coating is dispersed in body surface and forms film and play decoration, insulation, protection, antirust and cover up the effects such as product defects; there is as a class coating of spe-cial optical effects; when flake aluminum in the composition of metal flash paint or pearly pigment align (arranged in parallel with base material) in system; incident light is at its surface presentation specular reflection; can strong metal flicker effect be formed, be widely used in a lot of field.
The raw material of small electric apparatus coating mainly comprises film-forming resin, pigment, solvent and adds auxiliary agent etc.Film-forming resin generally used here adopts acrylic resin, because its adapted is convenient, painting shape is good and excellent, the water-fast chemical resistance of coating performance is good; But when preparing the high grade paint of silver-plated effect, it also exists the poor problem of silver powder particles arrangement effect, directly uses the problem that this coating can cause painting effect undesirable.And cellulose acetate butyrate (hereinafter referred to as CAB) is a kind of cellulose organic ester of the oriented alignment of energy stable metal particle, although it has the defects such as solid component content is low, chemical-resistant is poor and is not suitable for directly doing matrix resin use.So it is high to develop a kind of adhesion strength, the coating resin that painting effect is attractive in appearance has important practical significance.
Summary of the invention
The object of this invention is to provide the preparation method of electrosilvering coating CAB graft modification Hydroxylated acrylic resin, resin prepared by the present invention for have in electrosilvering coating silver powder particles arrangement regular, be easy to the advantages such as construction, strong adhesion.
The present invention is achieved through the following technical solutions above-mentioned purpose, and a kind of preparation method of electrosilvering coating CAB graft modification Hydroxylated acrylic resin, comprises the following steps:
Under nitrogen atmosphere, add 50 parts by weight acetic acid cellulose butyrate CAB-381-0.5 solution in a kettle., dimethylbenzene 210 weight part, is warming up to 120-130 DEG C; Then drip mixing titrating solution, time for adding controls at 2 hours, and then 120-130 DEG C of insulation reaction obtains CAB graft modification Hydroxylated acrylic resin in two hours; Described mixing titrating solution is hydroxyethyl methylacrylate 100 weight part, butyl methacrylate 50 weight part, methymethacrylate 250 weight part, vinylbenzene 25 weight part, lauryl methacrylate(LMA) 44-46 weight part, the mixing solutions of benzoyl peroxide 11-13 weight part composition, the butyl methacrylate solution of described cellulose acetate butyrate CAB-381-0.5 solution to be massfraction be 20% cellulose acetate butyrate.
Preferably, in above-mentioned preparation process, temperature of reaction is 125 DEG C, and feed stock conversion is high.
In above-mentioned mixing titrating solution, benzoyl peroxide is preferably 12.5 weight parts, and lauryl methacrylate(LMA) is preferably 45.5 weight parts.
The CAB graft modification Hydroxylated acrylic resin of modification of the present invention is as clear as crystal, application property and color development functional.
The present invention is by the method for free radical grafting modification, according to processing parameter of the present invention, can synthesize percentage of grafting when 120-130 DEG C high, the electrosilvering coating Hydroxylated acrylic resin of electrosilvering arrangement and other physical and mechanical properties excellences, the coating adopting the resin of modification of the present invention to prepare has
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with embodiment, the present invention is described in more detail.Should be appreciated that, these describe just exemplary, and do not really want to limit the scope of the invention.
Embodiment 1
Under nitrogen atmosphere, add the butyl methacrylate solution that 50 weight part marks are 20% cellulose acetate butyrate in a kettle., dimethylbenzene 210 weight part, is warming up to 120 DEG C; Then drip mixing titrating solution, time for adding controls at 2 hours, and then 120 DEG C of insulation reaction obtain CAB graft modification Hydroxylated acrylic resin in two hours; Described mixing titrating solution is hydroxyethyl methylacrylate 100 weight part, butyl methacrylate 50 weight part, methymethacrylate 250 weight part, vinylbenzene 25 weight part, lauryl methacrylate(LMA) 44 weight part, the mixing solutions of benzoyl peroxide 11 weight part composition.
Embodiment 2
Under nitrogen atmosphere, add the butyl methacrylate solution that 50 weight part marks are 20% cellulose acetate butyrate in a kettle., dimethylbenzene 210 weight part, is warming up to 125 DEG C; Then drip mixing titrating solution, time for adding controls at 2 hours, and then 120-130 DEG C of insulation reaction obtains CAB graft modification Hydroxylated acrylic resin in two hours; Described mixing titrating solution is hydroxyethyl methylacrylate 100 weight part, butyl methacrylate 50 weight part, methymethacrylate 250 weight part, vinylbenzene 25 weight part, lauryl methacrylate(LMA) 46 weight part, the mixing solutions of benzoyl peroxide 13 weight part composition.
Embodiment 3
Under nitrogen atmosphere, add the butyl methacrylate solution that 50 weight part marks are 20% cellulose acetate butyrate in a kettle., dimethylbenzene 210 weight part, is warming up to 130 DEG C; Then drip mixing titrating solution, time for adding controls at 2 hours, and then 120-130 DEG C of insulation reaction obtains CAB graft modification Hydroxylated acrylic resin in two hours; Described mixing titrating solution is hydroxyethyl methylacrylate 100 weight part, butyl methacrylate 50 weight part, methymethacrylate 250 weight part, vinylbenzene 25 weight part, lauryl methacrylate(LMA) 45.5 weight part, the mixing solutions of benzoyl peroxide 12.5 weight part composition.
Adopt preparation method of the present invention, percentage of grafting is up to 96%, and the acrylic resin prepared is as clear as crystal, for have in electrosilvering coating silver powder particles arrangement regular, be easy to the advantages such as construction, strong adhesion.
Although describe embodiments of the present invention in detail, it should be understood that when without departing from the spirit and scope of the present invention, various change, replacement and change can be made to embodiments of the present invention.
Claims (4)
1. the electrosilvering coating preparation method of CAB graft modification Hydroxylated acrylic resin, comprise the following steps: under nitrogen atmosphere, add 50 parts by weight acetic acid cellulose butyrate CAB-381-0.5 solution in a kettle., dimethylbenzene 210 weight part, is warming up to 120-130 DEG C; Then drip mixing titrating solution, time for adding controls at 2 hours, and then 120-130 DEG C of insulation reaction obtains CAB graft modification Hydroxylated acrylic resin in two hours; Described mixing titrating solution is hydroxyethyl methylacrylate 100 weight part, butyl methacrylate 50 weight part, methymethacrylate 250 weight part, vinylbenzene 25 weight part, lauryl methacrylate(LMA) 44-46 weight part, the mixing solutions of benzoyl peroxide 11-13 weight part composition, the butyl methacrylate solution of described cellulose acetate butyrate CAB-381-0.5 solution to be massfraction be 20% cellulose acetate butyrate.
2. the preparation method of electrosilvering coating CAB graft modification Hydroxylated acrylic resin according to claim 1, is characterized in that: temperature of reaction is 125 DEG C.
3. the preparation method of electrosilvering coating CAB graft modification Hydroxylated acrylic resin according to claim 1, is characterized in that: in described mixing titrating solution, benzoyl peroxide is 12.5 weight parts.
4. the preparation method of electrosilvering coating CAB graft modification Hydroxylated acrylic resin according to claim 1, is characterized in that: in described mixing titrating solution, lauryl methacrylate(LMA) is 45.5 weight parts.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510295305.4A CN104877082A (en) | 2015-06-02 | 2015-06-02 | Preparation method of CAB (cellulose acetate butyrate) graft modified hydroxy acrylic resin for electrosilvering paint |
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| CN201510295305.4A CN104877082A (en) | 2015-06-02 | 2015-06-02 | Preparation method of CAB (cellulose acetate butyrate) graft modified hydroxy acrylic resin for electrosilvering paint |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106085077A (en) * | 2016-06-07 | 2016-11-09 | 蚌埠市禹会区贵宾装饰材料商行 | A kind of photo frame scrubbing resistance high tack metallized coating |
| CN107141416A (en) * | 2017-06-08 | 2017-09-08 | 华伦纳路新材料有限公司 | A kind of CAB is acrylic resin modified and preparation method thereof |
| CN107936501A (en) * | 2016-10-13 | 2018-04-20 | 中国石油化工股份有限公司 | Injection-molded item and preparation method thereof |
| CN110982407A (en) * | 2019-12-04 | 2020-04-10 | 清远雅克化工有限公司 | Environment-friendly aqueous polyurethane dispersion and preparation method thereof |
| CN114752287A (en) * | 2022-05-17 | 2022-07-15 | 浙江伟星实业发展股份有限公司 | Dynamic pearlescent paint and preparation method and application thereof |
| CN117683186A (en) * | 2023-12-22 | 2024-03-12 | 江阴华理防腐涂料有限公司 | Cellulose modified polyester acrylate aqueous dispersion and preparation method and application thereof |
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| JPS6454014A (en) * | 1987-08-25 | 1989-03-01 | Nippon Oils & Fats Co Ltd | Production of graft copolymer resin |
| CN1107171A (en) * | 1994-10-10 | 1995-08-23 | 王南 | Acetate butyrate fiber-acrylic acid composite leather coating material |
| CN102432777A (en) * | 2011-08-29 | 2012-05-02 | 华南理工大学 | Method for modifying cellulose acetate butyrate (CAB) for electro-silvered simulating coating |
| CN103012696A (en) * | 2012-12-31 | 2013-04-03 | 东莞英铭化工有限公司 | Epoxy modified electroplated silver resin and preparation method thereof |
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2015
- 2015-06-02 CN CN201510295305.4A patent/CN104877082A/en active Pending
Patent Citations (4)
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| JPS6454014A (en) * | 1987-08-25 | 1989-03-01 | Nippon Oils & Fats Co Ltd | Production of graft copolymer resin |
| CN1107171A (en) * | 1994-10-10 | 1995-08-23 | 王南 | Acetate butyrate fiber-acrylic acid composite leather coating material |
| CN102432777A (en) * | 2011-08-29 | 2012-05-02 | 华南理工大学 | Method for modifying cellulose acetate butyrate (CAB) for electro-silvered simulating coating |
| CN103012696A (en) * | 2012-12-31 | 2013-04-03 | 东莞英铭化工有限公司 | Epoxy modified electroplated silver resin and preparation method thereof |
Non-Patent Citations (1)
| Title |
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| 康思琦等: "CAB接枝改性羟基丙烯酸树脂合成电镀银涂料的研究", 《五邑大学学报（自然科学版）》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106085077A (en) * | 2016-06-07 | 2016-11-09 | 蚌埠市禹会区贵宾装饰材料商行 | A kind of photo frame scrubbing resistance high tack metallized coating |
| CN107936501A (en) * | 2016-10-13 | 2018-04-20 | 中国石油化工股份有限公司 | Injection-molded item and preparation method thereof |
| CN107141416A (en) * | 2017-06-08 | 2017-09-08 | 华伦纳路新材料有限公司 | A kind of CAB is acrylic resin modified and preparation method thereof |
| CN110982407A (en) * | 2019-12-04 | 2020-04-10 | 清远雅克化工有限公司 | Environment-friendly aqueous polyurethane dispersion and preparation method thereof |
| CN114752287A (en) * | 2022-05-17 | 2022-07-15 | 浙江伟星实业发展股份有限公司 | Dynamic pearlescent paint and preparation method and application thereof |
| CN117683186A (en) * | 2023-12-22 | 2024-03-12 | 江阴华理防腐涂料有限公司 | Cellulose modified polyester acrylate aqueous dispersion and preparation method and application thereof |
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