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CN105111902A - Wax-free piano varnish and preparation method - Google Patents

Wax-free piano varnish and preparation method Download PDF

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Publication number
CN105111902A
CN105111902A CN201510650255.7A CN201510650255A CN105111902A CN 105111902 A CN105111902 A CN 105111902A CN 201510650255 A CN201510650255 A CN 201510650255A CN 105111902 A CN105111902 A CN 105111902A
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China
Prior art keywords
wax
piano
varnish
component
content
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Pending
Application number
CN201510650255.7A
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Chinese (zh)
Inventor
王志明
张文
吴乐平
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Guangdong Shunde Qiqiang Chemical Engineering Technology Co Ltd
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Guangdong Shunde Qiqiang Chemical Engineering Technology Co Ltd
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Priority to CN201510650255.7A priority Critical patent/CN105111902A/en
Publication of CN105111902A publication Critical patent/CN105111902A/en
Pending legal-status Critical Current

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Abstract

The invention provides wax-free piano varnish and a preparation method. The varnish comprises components in percentage by weight as follows: 70%-90% of unsaturated polyester resin, 2%-15% of styrene, 1%-10% of butyl ester, 1%-8% of butanone and 0.1%-4% of an auxiliary. High-gloss PU (polyurethane) varnish and wax-containing high-gloss PE (polyethylene) varnish are combined, and the problem about varnish use of existing musical instruments, showcases and artware is solved by means of advantages of the high-gloss PU varnish and the wax-containing high-gloss PE varnish. The surface of a varnish film of the wax-free piano varnish has a leveling property, flatness and smoothness of the high-gloss PU varnish; the wax-free piano varnish has the characteristics of low probability of spots and dark bubbles during thick-coating construction of wax-containing unsaturated polyester varnish, the varnish film has the characteristics of high hardness, high plumpness, high gloss and the like, better physical properties of the varnish film can be obtained without polishing, and large-area construction is easy to realize.

Description

A kind of piano clear finish of the not content of wax and preparation method
Technical field
The present invention relates to unsaturated polyester varnish field, be specifically related to a kind of unsaturated polyester piano clear finish of the not content of wax of musical instrument, showcase, high-grade artwork gift box.
Background technology
At present, musical instrument, showcase, artwork market use PU glossy varnish, but in application process, there is many defects.PU glossy varnish is by resin (first component, containing-OH group) and solidifying agent (component B, containing-NCO group) reaction according to a certain percentage forms, and belong to dual-component coating, such coating hardness, fullness ratio do not reach customer requirement.In addition, musical instrument, showcase, artwork market use containing wax pattern unsaturated polyester polishing system, in actual film process, paraffin floats on coating surface, make surface unglazed, just light paint film must can be obtained, for having carving, groove etc. cannot be then impracticable for polished surface application after multiple tracks sand milling, glossing.On the other hand, there is thick painting containing wax pattern unsaturated polyester varnish, wax floats uneven in film coated surface, and surface drying is bad, and levelling is poor, paint film shrinking percentage greatly, difficult polishing, the easily technological deficiency such as cracked.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of piano clear finish of the not content of wax, a kind of application for musical instrument, showcase, handicraft surface is provided, mainly reach levelling property, planeness, slipperiness that coating surface has PU glossy varnish, and not easily heat rash appears, secretly steep characteristic in the thick painting construction having concurrently containing wax pattern unsaturated polyester varnish, paint film and there is the features such as high rigidity, high fullness ratio, high gloss, not polishing can be selected can to obtain good film physicals, and easy large-area construction.
Concrete scheme is, a kind of piano clear finish of the not content of wax, and it is made up of following component by weight percentage: unsaturated polyester resin: 70 ~ 90%; Vinylbenzene: 2 ~ 15%; Butyl ester: 1 ~ 10%; Butanone: 1 ~ 8%; Auxiliary agent: 0.1 ~ 4%.
Above-mentioned clear finish, wherein, the weight percent of each component is respectively: unsaturated polyester resin: 70 ~ 85%; Vinylbenzene: 7 ~ 10%; Butyl ester: 3 ~ 5%; Butanone: 2 ~ 5%; Auxiliary agent: 0.1 ~ 4%.
Above-mentioned clear finish, wherein, the weight percent of each component is respectively: unsaturated polyester resin: 83%; Vinylbenzene: 8%; Butyl ester: 4%; Butanone: 3%; Auxiliary agent: 2%.
Above-mentioned clear finish, wherein, described auxiliary agent comprises flow agent, defoamer, promotor and initiator, and described flow agent is at least one in organic silicon modified by polyether flow agent, fluorine richness polyacrylate flow agent, and described defoamer is that solvent-borne type is not containing silicon defoaming agent.
Above-mentioned clear finish, wherein, described flow agent is that organic silicon modified by polyether flow agent and fluorine richness polyacrylate flow agent combine by proportioning 1:1.
Above-mentioned clear finish, wherein, described promotor is 6%Co 2+cobalt naphthenate and the mixing solutions of butyl ester, described initiator is the dibutyl phthalate solution of the methylethyl ketone peroxide of 10% of active oxygen.
Another side of the present invention, a kind of preparation method of piano clear finish of the not content of wax, comprises the following steps: unsaturated polyester resin, vinylbenzene, butyl ester and butanone being stirred obtains the first mixture;
Flow agent and defoamer to be added in the first mixture and stir and obtain component A;
Component A is divided into two parts, a copy of it adds promotor and thinner and stirs and obtain B component, and another part adds initiator and thinner and stirs and obtain C component;
B component and C component are mixed and stir.
Above-mentioned preparation method, wherein, described preparation method also comprises, under normal temperature condition, stir unsaturated polyester resin, vinylbenzene, butyl ester and butanone 10 minutes with the rotating speed of per minute 500 ~ 700; Described thinner is vinylbenzene reactive thinner.
Above-mentioned preparation method, wherein, described preparation method also comprises, with under the rotating speed of per minute 800 ~ 1000, drop into successively in the first mixture flow agent and defoamer dispersion 10 ~ 15min and whipping temp control below 50 DEG C.
Above-mentioned preparation method, wherein, described preparation method also comprises, by 200 object strainer filtering component A.
The invention provides a kind of piano clear finish of the not content of wax, it is made up of following component by weight percentage: unsaturated polyester resin: 70 ~ 90%; Vinylbenzene: 2 ~ 15%; Butyl ester: 1 ~ 10%; Butanone: 1 ~ 8%; Auxiliary agent: 0.1 ~ 4%, combine by PU glossy varnish with containing wax pattern PE glossy varnish, the advantage of both utilizations solves the problem of existing musical instrument, showcase, artwork paint, mainly reach levelling property, planeness, slipperiness that coating surface has PU glossy varnish, and not easily heat rash appears, secretly steep characteristic in the thick painting construction having concurrently containing wax pattern unsaturated polyester varnish, paint film and there is the features such as high rigidity, high fullness ratio, high gloss, not polishing can be selected can to obtain good film physicals, and easy large-area construction.
Embodiment
In the following description, a large amount of concrete details is given to provide more thorough understanding of the invention.But, it is obvious to the skilled person that the present invention can be implemented without the need to these details one or more.In other example, in order to avoid obscuring with the present invention, technical characteristics more well known in the art are not described.
In order to thoroughly understand the present invention, detailed step and detailed structure will be proposed in following description, to explain technical scheme of the present invention.Preferred embodiment of the present invention is described in detail as follows, but except these are described in detail, the present invention can also have other embodiments.
Embodiment 1, a kind of piano clear finish of the not content of wax, following component composition by weight percentage: unsaturated polyester resin: 70%; Vinylbenzene: 15%; Butyl ester: 10%; Butanone: 1%; Auxiliary agent: 4%.
Embodiment 2, a kind of piano clear finish of the not content of wax, following component composition by weight percentage: unsaturated polyester resin: 85%; Vinylbenzene: 2%; Butyl ester: 1%; Butanone: 8%; Auxiliary agent: 4%.
Embodiment 3, a kind of piano clear finish of the not content of wax, following component composition by weight percentage: unsaturated polyester resin: 90%; Vinylbenzene: 2%; Butyl ester: 6.9%; Butanone: 1%; Auxiliary agent: 0.1%.
Embodiment 4, a kind of piano clear finish of the not content of wax, following component composition by weight percentage: unsaturated polyester resin: 80%; Vinylbenzene: 10%; Butyl ester: 5%; Butanone: 2%; Auxiliary agent: 3%.
Embodiment 5, a kind of piano clear finish of the not content of wax, following component composition by weight percentage: unsaturated polyester resin: 85%; Vinylbenzene: 7%; Butyl ester: 3%; Butanone: 2%; Auxiliary agent: 3%.
Embodiment 6, a kind of piano clear finish of the not content of wax, following component composition by weight percentage: unsaturated polyester resin: 83%; Vinylbenzene: 8%; Butyl ester: 4%; Butanone: 3%; Auxiliary agent: 2%.
Preferred but in unrestriced embodiment in the present invention one, auxiliary agent comprises flow agent, defoamer, promotor and initiator, flow agent is at least one in organic silicon modified by polyether flow agent, fluorine richness polyacrylate flow agent, and defoamer is that solvent-borne type is not containing silicon defoaming agent, further flow agent is that organic silicon modified by polyether flow agent and fluorine richness polyacrylate flow agent combine by proportioning 1:1, two kinds of flow agents are combined use, fluorine richness polyacrylate flow agent can play ground and soak and nonshrink hole effect, organic silicon modified by polyether can play quick levelling, reduce the effect of dynamic surface tension, better film effect can be obtained, further, the 10%BYK-333 of organic silicon modified by polyether flow agent employing after butyl ester dilution, fluorine richness polyacrylate flow agent is the EFKA-FL3777 product of German BASF, solvent-borne type is not the EFKA-PB2720 product of German BASF containing silicon defoaming agent.
The present invention one is preferred but in unrestriced embodiment, promotor is 6%Co 2+cobalt naphthenate and the mixing solutions of butyl ester, select the cobalt naphthenate product of 6% of the long weathering work in Shanghai, the glued membrane selecting this kind of promotor can make to be cross-linked more evenly and improve crosslinked after glued membrane intensity.Initiator be containing active oxygen 10% the dibutyl phthalate solution of methylethyl ketone peroxide, select the methylethyl ketone peroxide product of the long weathering work in Shanghai, select this kind of initiator can reach initiated polymerization within the rational time complete, and reacting balance in the course of the polymerization process, make paint film have the features such as high rigidity, high fullness ratio, high glossiness.
Another side of the present invention, a kind of preparation method of piano clear finish of the not content of wax, comprises the following steps:
Step S1: unsaturated polyester resin, vinylbenzene, butyl ester and butanone are stirred and obtain the first mixture, is specially and stirs unsaturated polyester resin, vinylbenzene, butyl ester and butanone 10 minutes with the rotating speed of per minute 500 ~ 700 under normal temperature condition;
Step S2: flow agent and defoamer to be added in the first mixture and stir and obtain component A, be specially with under the rotating speed of per minute 800 ~ 1000, flow agent and defoamer dispersion 10 ~ 15min and whipping temp controls below 50 DEG C is dropped into successively in the first mixture, and by 200 object strainer filtering component A, check fineness≤25 micron of component A;
Step S3: component A is divided into two parts, a copy of it adds promotor and thinner and stirs and obtain B component, another part adds initiator and thinner and stirs and obtain C component, according to the requirement of the viscosity used, add the thinner of respective amount, thinner is reactive thinner vinylbenzene, to crosslinking reaction be there is in its vinylbenzene and resin, play bridging action, therefore piano clear finish filmogen >=99%, discharge close to Diamond Search during construction.Be specifically as follows following weight composition: A grouping 50+ thinner 15+ promotor 1.4 obtains B component; A grouping 50+ thinner 15+ initiator 1.6 obtains C component, and this component is the proportioning under normal temperature condition;
Step S4: B component and C component are mixed and stirred, takes out equivalent two parts, mixes from B, C component, and filter spraying, wherein adding promotor in B component should use in 12 hours, and adding initiator in C component should use in 4 hours.
The amount of promotor that B and C component needs add and initiator is prepared in every 50 parts of A under being below provided in different temperature condition.
At spraying application not content of wax piano clear finish, wet weight in wet base of touching can be adopted to be coated with spraying, often all over 25 ~ 30min interval time, to spray 2 ~ 3 times, better film fullness ratio, planarization can be obtained.
Below provide use clear finish of the present invention and traditional old product performance detection data as follows:
As can be seen from list, compare with traditional PU glossy varnish with containing wax pattern insatiable hunger Polyester Paint, property indices of the present invention all shows excellent, and after some performance even exceedes, both, be specially paint film good leveling property, smooth surface, smooth.Paint film has the features such as high rigidity, high fullness ratio, high glossiness.Not easily heat rash appears in thick painting construction, secretly steep, and can obtain comparatively thick coating.Coating film material >=99%, during construction, VOC discharge is close to zero.Without the need to polishing, and easy large-area construction.
In sum, the invention provides a kind of piano clear finish of the not content of wax, it is made up of following component by weight percentage: unsaturated polyester resin: 70 ~ 90%; Vinylbenzene: 2 ~ 15%; Butyl ester: 1 ~ 10%; Butanone: 1 ~ 8%; Auxiliary agent: 0.1 ~ 4%, combine by PU glossy varnish with containing wax pattern PE glossy varnish, the advantage of both utilizations solves the problem of existing musical instrument, showcase, artwork paint, mainly reach levelling property, planeness, slipperiness that coating surface has PU glossy varnish, and not easily heat rash appears, secretly steep characteristic in the thick painting construction having concurrently containing wax pattern unsaturated polyester varnish, paint film and there is the features such as high rigidity, high fullness ratio, high gloss, not polishing can be selected can to obtain good film physicals, and easy large-area construction.
Above preferred embodiment of the present invention is described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, the equipment wherein do not described in detail to the greatest extent and structure are construed as to be implemented with the usual manner in this area; Any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the Method and Technology content of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or being revised as the Equivalent embodiments of equivalent variations, this does not affect flesh and blood of the present invention.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.

Claims (10)

1. a piano clear finish for the not content of wax, it is characterized in that, it is made up of following component by weight percentage:
Unsaturated polyester resin: 70 ~ 90%; Vinylbenzene: 2 ~ 15%; Butyl ester: 1 ~ 10%; Butanone: 1 ~ 8%; Auxiliary agent: 0.1 ~ 4%.
2. the piano clear finish of a kind of not content of wax as claimed in claim 1, it is characterized in that, the weight percent of each component is respectively: unsaturated polyester resin: 70 ~ 85%; Vinylbenzene: 7 ~ 10%; Butyl ester: 3 ~ 5%; Butanone: 2 ~ 5%; Auxiliary agent: 0.1 ~ 4%.
3. the piano clear finish of a kind of not content of wax as claimed in claim 1, it is characterized in that, the weight percent of each component is respectively: unsaturated polyester resin: 83%; Vinylbenzene: 8%; Butyl ester: 4%; Butanone: 3%; Auxiliary agent: 2%.
4. the piano clear finish of a kind of not content of wax as described in as arbitrary in claim 1-3, it is characterized in that, described auxiliary agent comprises flow agent, defoamer, promotor and initiator, described flow agent is at least one in organic silicon modified by polyether flow agent, fluorine richness polyacrylate flow agent, and described defoamer is that solvent-borne type is not containing silicon defoaming agent.
5. the piano clear finish of a kind of not content of wax as claimed in claim 4, it is characterized in that, described flow agent is that organic silicon modified by polyether flow agent and fluorine richness polyacrylate flow agent combine by proportioning 1:1.
6. the piano clear finish of a kind of not content of wax as claimed in claim 4, it is characterized in that, described promotor is 6%Co 2+cobalt naphthenate and the mixing solutions of butyl ester, described initiator is the dibutyl phthalate solution of the methylethyl ketone peroxide of 10% of active oxygen.
7. a preparation method for the not piano clear finish of the content of wax, is characterized in that, comprise the following steps: unsaturated polyester resin, vinylbenzene, butyl ester and butanone being stirred in proportion obtains the first mixture; Flow agent and defoamer to be added in the first mixture and stir and obtain component A; Component A is divided into two parts, a copy of it adds promotor and thinner and stirs and obtain B component, and another part adds initiator and thinner and stirs and obtain C component; B component and C component are mixed and stir.
8. the preparation method of a kind of piano clear finish of the not content of wax as claimed in claim 7, it is characterized in that, described preparation method also comprises, under normal temperature condition, stir unsaturated polyester resin, vinylbenzene, butyl ester and butanone 10 minutes with the rotating speed of per minute 500 ~ 700; Described thinner is vinylbenzene reactive thinner.
9. the preparation method of a kind of piano clear finish of the not content of wax as claimed in claim 7, it is characterized in that, described preparation method also comprises, with under the rotating speed of per minute 800 ~ 1000, drop into successively in the first mixture flow agent and defoamer dispersion 10 ~ 15min and whipping temp control below 50 DEG C.
10. the preparation method of the piano clear finish of a kind of not content of wax as described in as arbitrary in claim 7-9, it is characterized in that, described preparation method also comprises, by 200 object strainer filtering component A.
CN201510650255.7A 2015-10-09 2015-10-09 Wax-free piano varnish and preparation method Pending CN105111902A (en)

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Application Number Priority Date Filing Date Title
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CN105111902A true CN105111902A (en) 2015-12-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109233583A (en) * 2018-09-27 2019-01-18 韶关市合众化工有限公司 A kind of hydrophobic fire-retardant ordor removing PE piano woodcare paint of high adhesion force
CN113025169A (en) * 2019-12-09 2021-06-25 广东顺德三和化工有限公司 Polishing-free unsaturated polyester coating and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0980881A1 (en) * 1998-08-17 2000-02-23 Bayer Aktiengesellschaft Aqueous coating composition, its preparation and use for stoving lacquers
CN101654586B (en) * 2008-08-22 2012-05-23 展辰涂料集团股份有限公司 Environment-friendly type bright black piano lacquer
CN102719181A (en) * 2012-05-11 2012-10-10 北京展辰化工有限公司 Priming paint with absorption resistance, preparation method and application
CN102796442A (en) * 2011-05-24 2012-11-28 广东华润涂料有限公司 Unsaturated polyester paint composition
CN104293127A (en) * 2014-11-19 2015-01-21 上海展辰涂料有限公司 Special unsaturated polyester clear primer for musical instrument

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0980881A1 (en) * 1998-08-17 2000-02-23 Bayer Aktiengesellschaft Aqueous coating composition, its preparation and use for stoving lacquers
CN101654586B (en) * 2008-08-22 2012-05-23 展辰涂料集团股份有限公司 Environment-friendly type bright black piano lacquer
CN102796442A (en) * 2011-05-24 2012-11-28 广东华润涂料有限公司 Unsaturated polyester paint composition
CN102719181A (en) * 2012-05-11 2012-10-10 北京展辰化工有限公司 Priming paint with absorption resistance, preparation method and application
CN104293127A (en) * 2014-11-19 2015-01-21 上海展辰涂料有限公司 Special unsaturated polyester clear primer for musical instrument

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109233583A (en) * 2018-09-27 2019-01-18 韶关市合众化工有限公司 A kind of hydrophobic fire-retardant ordor removing PE piano woodcare paint of high adhesion force
CN113025169A (en) * 2019-12-09 2021-06-25 广东顺德三和化工有限公司 Polishing-free unsaturated polyester coating and preparation method thereof

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Application publication date: 20151202

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