CN102070978A - Special varnish for musical instruments and preparation method thereof - Google Patents
Special varnish for musical instruments and preparation method thereof Download PDFInfo
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- CN102070978A CN102070978A CN 201010587277 CN201010587277A CN102070978A CN 102070978 A CN102070978 A CN 102070978A CN 201010587277 CN201010587277 CN 201010587277 CN 201010587277 A CN201010587277 A CN 201010587277A CN 102070978 A CN102070978 A CN 102070978A
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Abstract
The invention discloses special varnish for musical instruments and a preparation method thereof. The special varnish for the musical instruments is a four-component coating; a PE (polyethylene) coating and a PU (polyurethane) coating are combined in the formula and give full play of respective advantages, and the defects of single use of the coatings are avoided, thus solving the defects in single use of the conventional products for musical instrument manufacturers. The special varnish has the advantages of high hardness up to over 2H, excellent fullness, good color change property, no greening property of PE, polishability and thickened viscosity for 5 seconds within 2 hours, thus solving the problem of use time of a single PE component. The special varnish for the musical instruments can be sprayed by an electrostatic machine, can be widely applied to the musical instruments such as a guitar, a loudspeaker box, a piano and the like, and has good comprehensive property and good constructability, thus being beneficial to large-scale popularization.
Description
Technical field
The present invention relates to technical field of coatings, be specifically related to special-purpose clear finish of a kind of musical instrument and preparation method thereof.
Background technology
At present, musical instrument market PU finish paint or PE finish paint, but all exist many defectives in application process: the PU finish paint is by resin (second component, contain-the OH group) and solidifying agent (first component, contain-the NCO group) according to a certain percentage the reaction form, belong to dual-component coating, such paint hardness does not reach the hardness of musical instrument, so the PU finish paint often runs into hardness and do not reach customer requirement using on the musical instrument; The PE finish paint is by the vibrin that contains the straight chain type that unsaturated double-bond (C=C) makes, form with the monomer dilution again, this coating is under the situation of the existence of initiator (plain boiled water) and promotor (Lan Shui), can crosslinkedly change into cancellated not molten insoluble paint film, belong to many component coatings, this hardness of paint film height, finish paint can reach the above paint film of 2H and not subside substantially, the mirror effect dry film that can keep can getting after the fullness ratio dry film polished finish of paint film high gloss lastingly is stable, one-sided performance is good, but variable color easily on musical instrument, pin-holing, problem such as duration of service is short.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, the advantage of a kind of PE of combining finish paint and PU finish paint be provided, and have high rigidity, high fullness ratio, polishability is good and the special-purpose clear finish of the musical instrument of characteristics such as good brightness.
Another object of the present invention provides the preparation method of the special-purpose clear finish of above-mentioned musical instrument.
Above-mentioned purpose of the present invention is achieved by following scheme:
The inventor is at the existing musical instrument existing problem of lacquer, consideration combines PU finish paint and PE finish paint, utilize both advantages to solve the problem of existing musical instrument with lacquer, but the mixing of two kinds of finish paints need be considered a lot of problems, at first will solve the intermiscibility between the mixing, how the shortcoming of painting among stability and PU and the PE solves, the component of prescription is selected and consumption all needs suitable can to greatest extent the advantage of two kinds of coating being brought into play, to reach musical instrument with coating with lacquer desired high rigidity, high fullness ratio and high brightness etc., therefore, the inventor is by a large amount of conceptual designs, experiment grope with data-optimized after, obtain the special-purpose clear finish of a kind of satisfactory musical instrument.
The special-purpose clear finish of a kind of musical instrument, contain four kinds of components in its prescription:
1. component A(PU face), by mass percentage, form by following component:
Solid content is 80% synthetic fat acid resin 80～85%;
Solid content is 70% aldehyde ketone resin 4～6%;
Pimelinketone 4～6%;
Dimethylbenzene 4～6%;
Defoamer 0.2～0.4%;
Flow agent 1 0.1～0.3%;
Flow agent 2 0.3～0.6%;
Siccative 0.5～2%;
Above-mentioned defoamer adopts those skilled in the art to carry out the defoamer of using always when musical instrument PU finish paint prepares, and all can realize the present invention, as defoamer BYK141;
Above-mentioned flow agent adopts the combination of two kinds of flow agents, a kind of is acrylic acid or the like flow agent (flow agent 1), and another kind is silicone based flow agent (flow agent 2), and the inventor is by discovering, two kinds of flow agents are combined usefulness, can obtain better experiment effect; The flow agent that described acrylate flow agent and organosilicon flow agent adopt those skilled in the art to carry out using always when musical instrument PU finish paint prepares all can be realized the present invention, can adopt BYK358N as the acrylic acid or the like flow agent, silicone based flow agent can adopt BYK333, and it is to be 10% BYK333 by obtaining mass percent concentration after the BYK333 dilution that 10%BYK333(10%BYK333 is adopted in the suggestion of wherein silicone based flow agent);
Above-mentioned siccative adopt those skilled in the art carry out musical instrument PU finish paint when preparing siccative commonly used all can realize the present invention, as T-12, preferred 10%T-12(10%T-12 is to be 10% T-12 by obtaining mass percent concentration after the T-12 dilution).
2. B component, by mass percentage, form by following component:
TDI affixture 45～55%;
Modification tripolymer 20～30%;
Solvent 20～30%;
Above-mentioned TDI affixture adopts TDI affixture L-75;
Above-mentioned modification tripolymer adopts IPDI tripolymer or HDI tripolymer etc.;
The effect of above-mentioned solvent is that other substance dissolves is formed the homogeneous phase solution body, and it is very important that solvent plays a part in liquid coating, and performances such as the viscosity of coating, gloss, levelling property, wettability, sticking power are had very big influence; Above-mentioned solvent adopts N-BUTYL ACETATE;
3. component C, by mass percentage, be made up of following component:
PE resin 90%;
Defoamer 0.3%;
Flow agent 3 0.2%;
Flow agent 4 0.2%;
Styrene monomer 9.3%;
Above-mentioned PE resin adopts commercially available allyl ethers modified unsaturated polyester;
Above-mentioned defoamer adopts those skilled in the art's defoamer commonly used when preparation PE finish paint all can realize the present invention, as defoamer BYK354;
Above-mentioned flow agent 3 and flow agent 4 all adopt the EFKA flow agent; The inventor is by discovering, the auxiliary agent result of use of arranging in pairs or groups is better in the coating, the performance deficiency that is difficult to remedy in the time of can remedying independent the use, it is serious only to adopt flow agent EFKA3035 to bubble easily as flow agent, so adopt two kinds of EFKA flow agents to cooperate use among the component C, it is to be 10% EFKA3600 by obtaining mass percent concentration after the EFKA3600 dilution that flow agent 3 adopts 10%EFKA3600(10%EFKA3600), flow agent 4 adopts EFKA3035.
4. component D(diluting monomer), by mass percentage, form by following component:
Styrene monomer 50%;
Solvent 50%;
Above-mentioned solvent adopts N-BUTYL ACETATE.
The preparation method of the special-purpose clear finish of above-mentioned musical instrument is elder generation formulation components A, B, C and D respectively, after according to the weight ratio of 100:100:100:100 component A, B, C and the D for preparing being mixed then, add blue water, add plain boiled water after stirring again, stirring to obtain the special-purpose clear finish of musical instrument required for the present invention.
Among the above-mentioned preparation method, the auxiliary agent of using always when Lan Shui and plain boiled water are the preparation of PE lacquer, Lan Shui is a promotor, and plain boiled water is initiator, but when traditional PE finish paint prepares, Lan Shui and plain boiled water can not join in the major ingredient simultaneously, must be that major ingredient is divided into two parts, portion adds the plain boiled water mixing, behind the water mixing of another part Garland, admixed together with two parts again, process is just more loaded down with trivial details; And prescription of the present invention is owing to adopt the scheme of PU+PE, so changed the pot-life of conventional P E, can be placed on same component to blue plain boiled water does not influence duration of service, adds plain boiled water again but must add will stir earlier behind the blue water, to avoid fire.
Among the above-mentioned preparation method, the consumption of Lan Shui and plain boiled water is specifically to adjust according to the temperature of painting environment for use at that time, if temperature is 25 ℃, major ingredient (A component+B component C component+D component) then: Lan Shui: plain boiled water=100:1.2:1.4, weight ratio, the ratio of then blue water and plain boiled water is correspondingly turned down if temperature raises, and correspondingly heightens if temperature reduces the ratio of then blue water and plain boiled water, in the time of specifically can preparing with reference to the PE finish paint, the additional proportion of Lan Shui and plain boiled water.
Compared with prior art, the present invention has the following effect that gives:
1. the hardness of the special-purpose clear finish of musical instrument of the present invention can reach more than the 2H, and fullness ratio is good, and discolouration is good, does not have the greening of PE, can polish, and viscosity thickening in 2 hours 5 seconds has solved the problem of single-component PE duration of service;
2. the special-purpose clear finish of musical instrument of the present invention is a multi-component coating, optimization by components selection and usage ratio, coating of different nature is combined, performance advantage separately, and avoided the shortcoming of using separately separately, for musical instrument manufacturer has solved the defective that conventional products uses separately;
3. what the D component adopted in the special-purpose clear finish of musical instrument of the present invention is that tolerance is good in PE coating and PU coating, and moderate styrene monomer and the N-BUTYL ACETATE of volatility;
4. in the existing PE finish paint preparation process, Lan Shui and plain boiled water can not add in the host when adding simultaneously, so the interpolation process is more loaded down with trivial details, and the special-purpose clear finish of musical instrument of the present invention, because the adjustment of its prescription so the interpolation process of blue water and plain boiled water is simple, saves time;
5. the special-purpose clear finish of musical instrument of the present invention can adopt the spraying of static machine, can be widely used in guitar in the musical instrument, audio amplifier, piano etc., has good comprehensive performance and good application property, helps large-scale popularization
Embodiment
Below in conjunction with specific embodiment the present invention is done description further, but specific embodiment is not done any qualification to the present invention.
The special-purpose clear finish of a kind of musical instrument of present embodiment, contain component A, B, C and four kinds of components of D in its prescription:
1. component A(PU face), by mass percentage, form by following component:
Solid content is 80% synthetic fat acid resin 83%;
Solid content is 70% aldehyde ketone resin 5%;
Pimelinketone 5%;
Dimethylbenzene 5%;
Defoamer 0.3%;
Flow agent 1 0.2%;
Flow agent 2 0.5%;
Siccative 1%;
Above-mentioned defoamer adopts BYK141;
Above-mentioned flow agent 1 adopts BYK358N;
Above-mentioned flow agent 2 adopts 10%BYK333;
Above-mentioned siccative adopts 10%T-12;
2. B component, by mass percentage, form by following component:
TDI affixture 50%;
Modification tripolymer 25%;
Solvent 25%;
Above-mentioned TDI affixture adopts TDI affixture L-75;
Above-mentioned modification tripolymer adopts the IPDI tripolymer;
Above-mentioned solvent adopts N-BUTYL ACETATE;
3. component C, by mass percentage, be made up of following component:
PE resin 90%;
Defoamer 0.3%;
Flow agent 3 0.2%;
Flow agent 4 0.2%;
Styrene monomer 9.3%;
Above-mentioned PE resin adopts commercially available allyl ethers modified unsaturated polyester;
Above-mentioned defoamer adopts defoamer BYK354;
Above-mentioned flow agent 3 adopts 10%EFKA3600;
Above-mentioned flow agent 4 adopts EFKA3035; 4. component D(diluting monomer), by mass percentage, form by following component:
Styrene monomer 50%;
Solvent 50%;
Above-mentioned solvent adopts N-BUTYL ACETATE.
The preparation process of the special-purpose clear finish of the musical instrument of present embodiment is: according to above-mentioned prescription, elder generation is formulation components A, B, C and D respectively, then according to the weight ratio of component A:B:C:D=100:100:100:100, after component A, B, C and the D for preparing mixed, add blue water, add plain boiled water after stirring again, stirring to obtain the special-purpose clear finish of musical instrument required for the present invention.
Envrionment temperature is 25 ℃, and the consumption of Lan Shui and plain boiled water is major ingredient (A component+B component C component+D component): Lan Shui: plain boiled water=100:1.2:1.4, weight ratio.
The special-purpose clear finish of the musical instrument of present embodiment after the traditional performance that adopts those skilled in the art that varnish is carried out is tested, compares with conventional P U clear lacquer and PE clear lacquer, and the result is as shown in table 1.
The The performance test results of the special-purpose clear finish of table 1 musical instrument
|
|
The special-purpose clear finish of the musical instrument of present embodiment | Conventional P U clear lacquer | Conventional P E clear lacquer |
| Levelling property | Excellent | Excellent | Very |
| Defoaming | Excellent | Excellent | Excellent |
| Fullness ratio | Excellent | Very | Very |
| Hardness | 2H | H | 2H |
| Gloss | 100 | 99 | 97 |
| Duration of service | 2 hours | 2 hours | 20 minutes |
| Polishability | Very | Difference can not be polished | Very |
As can be seen from Table 1, compare with the PE clear lacquer with traditional PU clear lacquer, every performance index of the present invention all show good, some performance even surpass conventional P U clear lacquer and PE clear lacquer.
Claims (7)
1. the special-purpose clear finish of a musical instrument is characterized in that the composition of raw materials of the special-purpose clear finish of this musical instrument is made up of four kinds of components as described below:
(1) component A, by mass percentage, be made up of following component:
Solid content is 80% synthetic fat acid resin 80～85%;
Solid content is 70% aldehyde ketone resin 4～6%;
Pimelinketone 4～6%;
Dimethylbenzene 4～6%;
Defoamer 0.2～0.4%;
Flow agent 1 0.1～0.3%;
Flow agent 2 0.3～0.6%;
Siccative 0.5～2%;
Above-mentioned flow agent 1 adopts the acrylic acid or the like flow agent, and flow agent 2 adopts silicone based flow agent;
(2) B component, by mass percentage, form by following component:
TDI affixture 45～55%;
Modification tripolymer 20～30%;
Solvent 20～30%;
(3) component C, by mass percentage, be made up of following component:
PE resin 90%;
Defoamer 0.3%;
Flow agent 3 0.2%;
Flow agent 4 0.2%;
Styrene monomer 9.3%;
Above-mentioned flow agent 3 and flow agent 4 all adopt the EFKA flow agent;
(4) component D, by mass percentage, be made up of following component:
Styrene monomer 50%;
Solvent 50%.
2. according to the special-purpose clear finish of the described a kind of musical instrument of claim 1, it is characterized in that the composition of raw materials of the special-purpose clear finish of this musical instrument is made up of four kinds of components as described below:
(1) component A, by mass percentage, be made up of following component:
Solid content is 80% synthetic fat acid resin 83%;
Solid content is 70% aldehyde ketone resin 5%;
Pimelinketone 5%;
Dimethylbenzene 5%;
Defoamer 0.3%;
Flow agent 1 0.2%;
Flow agent 2 0.5%;
Siccative 1%;
(2) B component, by mass percentage, form by following component:
TDI affixture 50%;
Modification tripolymer 25%;
Solvent 25%;
(3) component C, by mass percentage, be made up of following component:
PE resin 90%;
Defoamer 0.3%;
Flow agent 3 0.2%;
Flow agent 4 0.2%;
Styrene monomer 9.3%;
(4) component D, by mass percentage, be made up of following component:
Styrene monomer 50%;
Solvent 50%.
3. according to claim 1 or the special-purpose clear finish of 2 described a kind of musical instruments, it is characterized in that among the component A, described above-mentioned defoamer is BYK141, described flow agent 1 is BYK358N, described flow agent 2 is 10% BYK333 for mass percent concentration, and described siccative is that mass percent concentration is 10% T-12.
4. according to claim 1 or the special-purpose clear finish of 2 described a kind of musical instruments, it is characterized in that in the B component that described TDI affixture is TDI affixture L-75, described modification tripolymer is IPDI tripolymer or HDI tripolymer, and described solvent is a N-BUTYL ACETATE.
5. according to claim 1 or the special-purpose clear finish of 2 described a kind of musical instruments, it is characterized in that among the component C, described PE resin is the allyl ethers modified unsaturated polyester, described defoamer is defoamer BYK354, described flow agent 3 is 10% EFKA3600 for mass percent concentration, and described flow agent 4 is EFKA3035.
6. according to claim 1 or the special-purpose clear finish of 2 described a kind of musical instruments, it is characterized in that among the component D that described solvent is a N-BUTYL ACETATE.
7. the preparation method of the special-purpose clear finish of the described musical instrument of a claim 1, it is characterized in that this preparation method is: elder generation is formulation components A, B, C and D respectively, then according to the weight ratio of component A, B, C and D=100:100:100:100, after component A, B, C and the D for preparing mixed, add blue water, add plain boiled water after stirring again, stirring to obtain the special-purpose clear finish of musical instrument.
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| CN2010105872770A CN102070978B (en) | 2010-12-14 | 2010-12-14 | Special varnish for musical instruments and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102604516A (en) * | 2012-03-02 | 2012-07-25 | 上海嘉宝莉涂料有限公司 | Anti-greening PE (Polyethylene) transparent primer and preparation method thereof |
| CN103045055A (en) * | 2012-12-12 | 2013-04-17 | 澳达树熊涂料(惠州)有限公司 | High-hardness unsaturated polyester full-bright top-coat paint and preparation method thereof |
| CN103483995A (en) * | 2013-09-04 | 2014-01-01 | 展辰涂料集团股份有限公司 | PE (polyethylene) light varnish and preparation method thereof |
| CN103599879A (en) * | 2013-11-11 | 2014-02-26 | 惠州市长润发涂料有限公司 | Instrument surface coating method |
| CN103602235A (en) * | 2013-11-12 | 2014-02-26 | 惠州市长润发涂料有限公司 | PU (Polyurethane) quick-drying electrostatic spraying paint |
| CN106590374A (en) * | 2017-01-04 | 2017-04-26 | 衡水美和乐器有限公司 | Back plate, side plate used paint and front plate used paint used for guitar painting and painting method of guitar |
| CN112358816A (en) * | 2020-09-27 | 2021-02-12 | 广东美涂士建材股份有限公司 | Dual-curing top-coat paint and preparation method and application thereof |
| CN112574662A (en) * | 2020-09-27 | 2021-03-30 | 广东美涂士建材股份有限公司 | High-gloss top-coat paint and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102604516A (en) * | 2012-03-02 | 2012-07-25 | 上海嘉宝莉涂料有限公司 | Anti-greening PE (Polyethylene) transparent primer and preparation method thereof |
| CN103045055A (en) * | 2012-12-12 | 2013-04-17 | 澳达树熊涂料(惠州)有限公司 | High-hardness unsaturated polyester full-bright top-coat paint and preparation method thereof |
| CN103483995A (en) * | 2013-09-04 | 2014-01-01 | 展辰涂料集团股份有限公司 | PE (polyethylene) light varnish and preparation method thereof |
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| CN103599879A (en) * | 2013-11-11 | 2014-02-26 | 惠州市长润发涂料有限公司 | Instrument surface coating method |
| CN103602235A (en) * | 2013-11-12 | 2014-02-26 | 惠州市长润发涂料有限公司 | PU (Polyurethane) quick-drying electrostatic spraying paint |
| CN103602235B (en) * | 2013-11-12 | 2016-02-10 | 惠州市长润发涂料有限公司 | The japanning of a kind of PU quick-drying electrostatic |
| CN106590374A (en) * | 2017-01-04 | 2017-04-26 | 衡水美和乐器有限公司 | Back plate, side plate used paint and front plate used paint used for guitar painting and painting method of guitar |
| CN112358816A (en) * | 2020-09-27 | 2021-02-12 | 广东美涂士建材股份有限公司 | Dual-curing top-coat paint and preparation method and application thereof |
| CN112574662A (en) * | 2020-09-27 | 2021-03-30 | 广东美涂士建材股份有限公司 | High-gloss top-coat paint and preparation method and application thereof |
| CN112574662B (en) * | 2020-09-27 | 2022-04-15 | 广东美涂士建材股份有限公司 | High-gloss top-coat paint and preparation method and application thereof |
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Address after: 516221 No. 30, Petrochemical Road, Huizhou, Dayawan, Guangdong Patentee after: Huizhou Changrunfa Coating Co., Ltd. Address before: 516221 Xintang Industrial Zone, Huizhou Town, Huiyang District, Guangdong, China Patentee before: Huizhou Changrunfa Coating Co., Ltd. |
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Address after: 516221 No. 30 Xiayong Petrochemical Avenue, Daya Bay, Huizhou City, Guangdong Province Patentee after: Guangdong Libang Changrunfa Science and Technology Material Co., Ltd. Address before: 516221 No. 30 Xiayong Petrochemical Avenue, Daya Bay, Huizhou, Guangdong Province Patentee before: Huizhou Changrunfa Coating Co., Ltd. |