CN102070978B - 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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- CN102070978B CN102070978B CN2010105872770A CN201010587277A CN102070978B CN 102070978 B CN102070978 B CN 102070978B CN 2010105872770 A CN2010105872770 A CN 2010105872770A CN 201010587277 A CN201010587277 A CN 201010587277A CN 102070978 B CN102070978 B CN 102070978B
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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 still all exists many defectives with PU finish paint or PE finish paint in application process: the PU finish paint is by resin (the second component contains-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) processes, and forms with the monomer dilution again, and 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 is high, and finish paint can reach the above paint film of 2H and not subside basically; 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 well, but on musical instrument variable color easily, pin-holing, problem such as duration of service is short.
Summary of the invention
The objective of the invention is to the deficiency to prior art, a kind of advantage that has combined PE finish paint and PU finish paint be provided, and have high firmness, high fullness ratio, polishability is good and the musical instrument special use clear finish 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 through following scheme:
The inventor uses the existing problem of lacquer to existing musical instrument; 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 shortcoming of painting among intermiscibility, stability and PU and the PE between the mixing and how to solve, and 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 lacquer desired high firmness, high fullness ratio and high brightness etc.; Therefore, the inventor through 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, 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%;
YLENE 4～6%;
Skimmer 0.2～0.4%;
Flow agent 1 0.1～0.3%;
Flow agent 2 0.3～0.6%;
Siccative 0.5～2%;
Above-mentioned skimmer adopts those skilled in the art to carry out the skimmer of using always when musical instrument PU finish paint prepares, and all can realize the present invention, like skimmer 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 through discovering; Two kinds of flow agents are combined usefulness, can obtain better experiment effect; The flow agent that said propenoate 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 like the acrylic acid or the like flow agent; Silicone based flow agent can adopt BYK333, and 10%BYK333 (10%BYK333 be 10% BYK333 by obtaining mass percent concentration after the BYK333 dilution) 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, like T-12, preferred 10%T-12 (10%T-12 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, leveling characteristics, 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%;
Skimmer 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 skimmer adopts those skilled in the art's skimmer commonly used when preparation PE finish paint all can realize the present invention, like skimmer BYK354;
Above-mentioned flow agent 3 all adopts the EFKA flow agent with flow agent 4; The inventor is through 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 like flow agent, so adopt two kinds of EFKA flow agents to cooperate use among the component C; Flow agent 3 adopts 10%EFKA3600 (10%EFKA3600 be 10% EFKA3600 by obtaining mass percent concentration after the EFKA3600 dilution), and flow agent 4 adopts EFKA3035.
4. component D (diluting monomer), by mass percentage, be made up of 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 the component A for preparing, B, C and D 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; Plain boiled water is initiator, but when traditional P E finish paint prepared, 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 to come 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 and gives effect as follows:
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 property 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 through 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. existing PE finish paint prepares in the process, and 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, 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%;
YLENE 5%;
Skimmer 0.3%;
Flow agent 1 0.2%;
Flow agent 2 0.5%;
Siccative 1%;
Above-mentioned skimmer 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%;
Skimmer 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 skimmer adopts skimmer BYK354;
Above-mentioned flow agent 3 adopts 10%EFKA3600;
Above-mentioned flow agent 4 adopts EFKA3035; 4. component D (diluting monomer), by mass percentage, be made up of 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 the component A for preparing, B, C and D 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 |
| Leveling characteristics | 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 |
Can find out that from table 1 compare with the PE clear lacquer with traditional P U clear lacquer, each item performance index of the present invention all show good, some performance even surpass conventional P U clear lacquer and PE clear lacquer.
Claims (6)
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 the four kinds of components that are 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%;
YLENE 4～6%;
Skimmer 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%;
Above-mentioned modification tripolymer is IPDI tripolymer or HDI tripolymer;
(3) component C, by mass percentage, be made up of following component:
PE resin 90%;
Skimmer 0.3%;
Flow agent 3 0.2%;
Flow agent 4 0.2%;
Styrene monomer 9.3%;
Above-mentioned PE resin is the allyl ethers modified unsaturated polyester;
Above-mentioned flow agent 3 all adopts the EFKA flow agent with flow agent 4;
(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 said 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 the four kinds of components that are 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%;
YLENE 5%;
Skimmer 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%;
Above-mentioned modification tripolymer is IPDI tripolymer or HDI tripolymer;
(3) component C, by mass percentage, be made up of following component:
PE resin 90%;
Skimmer 0.3%;
Flow agent 3 0.2%;
Flow agent 4 0.2%;
Styrene monomer 9.3%;
Above-mentioned PE resin is the allyl ethers modified unsaturated polyester;
(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 said a kind of musical instruments; It is characterized in that among the component A; Said above-mentioned skimmer is BYK141; Said flow agent 1 is BYK358N, and said flow agent 2 is 10% BYK333 for mass percent concentration, and said siccative is that mass percent concentration is 10% T-12.
4. according to claim 1 or the special-purpose clear finish of 2 said a kind of musical instruments, it is characterized in that in the B component that said TDI affixture is TDI affixture L-75, said solvent is a N-BUTYL ACETATE.
5. according to claim 1 or the special-purpose clear finishs of 2 said a kind of musical instruments, it is characterized in that among the component C that said skimmer is skimmer BYK354, said flow agent 3 is 10% EFKA3600 for mass percent concentration, and said flow agent 4 is EFKA3035.
6. according to claim 1 or the special-purpose clear finish of 2 said a kind of musical instruments, it is characterized in that among the component D that said solvent is a N-BUTYL ACETATE.
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| Application Number | Priority Date | Filing Date | Title |
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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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| CN2010105872770A CN102070978B (en) | 2010-12-14 | 2010-12-14 | Special varnish for musical instruments and preparation method thereof |
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| CN102070978B true CN102070978B (en) | 2012-07-04 |
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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 |
| CN103045055B (en) * | 2012-12-12 | 2015-06-03 | 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 |
| CN103483995B (en) * | 2013-09-04 | 2016-04-27 | 展辰新材料集团股份有限公司 | A kind of PE gloss varnish and preparation method thereof |
| CN103599879B (en) * | 2013-11-11 | 2016-05-18 | 惠州市长润发涂料有限公司 | A kind of coating process of musical instrument surface coating |
| 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 |
| CN106590374B (en) * | 2017-01-04 | 2019-05-07 | 衡水美和乐器有限公司 | Backboard, side plate for guitar coating paint and the coating process of positive plate paint and guitar |
| 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 |
| CN112358816B (en) * | 2020-09-27 | 2022-05-06 | 广东美涂士建材股份有限公司 | Dual-curing top-coat paint and preparation method and application thereof |
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| AT407253B (en) * | 1997-10-06 | 2001-02-26 | Vianova Kunstharz Ag | WATER-THINNABLE RESINS, METHOD FOR THEIR PRODUCTION AND THEIR USE |
| CN1699485A (en) * | 2004-05-17 | 2005-11-23 | 陈日云 | Solvent type double-component PU transparent high-gloss woodenware paint |
| CN101705048B (en) * | 2009-11-02 | 2012-05-02 | 深圳市广田环保涂料有限公司 | Highly transparent unsaturated polyester primer and preparation method as well as use method 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. |