CN103102775B - Low-gloss clear finishing coat and preparation method thereof - Google Patents

Low-gloss clear finishing coat and preparation method thereof Download PDF

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Publication number
CN103102775B
CN103102775B CN201310023169.4A CN201310023169A CN103102775B CN 103102775 B CN103102775 B CN 103102775B CN 201310023169 A CN201310023169 A CN 201310023169A CN 103102775 B CN103102775 B CN 103102775B
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parts
dimethylbenzene
nitro
low
finishing coat
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CN201310023169.4A
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CN103102775A (en
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陈富友
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Chongqing Pinsheng New Material Co ltd
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CHONGQING PINSHENG PAINT Co Ltd
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Abstract

The invention discloses a low-gloss clear finishing coat. The low-gloss clear finishing coat comprises the following components in parts by weight: 71.5-72.5 parts of modified alkyd resin, 4.8-5.3 parts of dimethylbenzene, 4.6-5.0 parts of n-butyl acetate, 0.15-0.25 part of dispersing agent, 0.10-0.20 part of antifoaming agent, 3.8-4.2 parts of bentonite, 4.8-5.1 parts of extinction powder, 3.6-4.2 parts of nitro-cotton liquid, 1.8-2.4 parts of cyclohexanone, 0.28-0.40 part of flatting agent, 1.8-2.1 parts of ethylene glycol monoethyl ether acetate and 0.15-0.25 part of dryer. The hardness of the low-gloss clear finishing coat obtained by adopting the special ingredients and the preparation method is twice more than that of the common low-gloss clear finishing coat, the anti-scratching capacity is strong and the service life is greatly prolonged. Meanwhile, the other the other performances also completely satisfy the standards, and the hand feeling is good, and so the low-gloss clear finishing coat is applicable to the decorative field of the solid-wood furniture.

Description

A kind of matte varnish and preparation method thereof
Technical field
The present invention relates to a kind of paint and preparation method thereof, particularly a kind of matte varnish and preparation method thereof.
Background technology
Existing furniture generally adopts solid wood or imitative solid wood material to make, and its surface adopts paint as topcoating usually, and outermost layer passes through spraying high-transparency varnish to strengthen its luminance brightness and slickness, aesthetic property and good waterproof performance.But various furniture in use can artificially be scratched usually, cause the variation such as sight and water-repellancy, work-ing life shortens.In order to solve this shortcoming of clear lacquer, then occurred dumb light paint, dumb light paint has soft visual effect and good feel is extensively favored.But there is a general shortcoming in existing dumb light paint, is exactly that hardness is lower, is easily scratched.And using for a long time and can polishing gradually after rubbing, cause glossiness and feel obviously inconsistent, affect attractive in appearance.
For above-mentioned deficiency, be badly in need of a kind of matte varnish that can improve its hardness of development, make its scratch resistance, wear-resisting, long service life, does not affect its soft visual effect and good feel simultaneously.
Summary of the invention
In view of this, an object of the present invention is to provide a kind of matte varnish, makes its scratch resistance, wear-resisting, greatly extends its work-ing life under normal service condition, does not affect its soft visual effect and good feel simultaneously.
An object of the present invention is realized by following technique means: a kind of matte varnish, composed of the following components by weight: modified alkyd resin 71.5-72.5, dimethylbenzene 4.8-5.3, N-BUTYL ACETATE 4.6-5.0, dispersion agent 0.15-0.25, defoamer 0.10-0.20, wilkinite 3.8-4.2, flatting silica 4.8-5.1, nitro-cotton liquid 3.6-4.2, pimelinketone 1.8-2.4, flow agent 0.28-0.40, ethylene glycol ether acetate 1.8-2.1, siccative 0.15-0.25; Described flow agent by weight part be 0.08-0.10 organically-modified silica alkane and weight part be 0.20-0.30 polyether-modified polydimethylsiloxane mix;
Described modified alkyd resin is made up of 20-25 parts of vegetable oil acids, 15-18 parts of glycerine, 5-6 parts of tetramethylolmethanes, 10-15 parts of terephthalic acids, 0.1-0.15 part of Hypophosporous Acid, 50,3-4 parts of phthalic anhydrides, 5-6 parts of phenylformic acid, 3.5-4.5 parts of dimethylbenzene, 20-25 parts of acetone and 0.1-0.15 part of dispersion agent by weight, its preparation method is: by vegetable oil acid, glycerine, tetramethylolmethane, after terephthalic acid and Hypophosporous Acid, 50 drop into reactor, logical rare gas element in reactor, heating, start to stir after being warming up to 90 DEG C, and continue to be warmed up to 200-210 DEG C, constant temperature leaves standstill 40-50 minutes, then rapid temperature increases to 240-250 DEG C, constant temperature is to the complete transparent rear rapid cooling of reaction solution, phthalic anhydride is dropped into when being down in 190 DEG C of backward reactors, phenylformic acid and dimethylbenzene, again be warming up to 200-205 DEG C of refuxing esterification and be incubated 30-45 minutes, then less than 150 DEG C are cooled to, add acetone and dispersion agent, room temperature is naturally cooled to after stirring.。
Further, composed of the following components by weight: modified alkyd resin 72, dimethylbenzene 5, N-BUTYL ACETATE 5, dispersion agent 0.2, defoamer 0.15, wilkinite 4.0, flatting silica 5.0, nitro-cotton liquid 4.0, pimelinketone 2.0, flow agent 0.35, ethylene glycol ether acetate 2.0, siccative 0.2.
Further, described nitro-cotton liquid is 1/4 nitro-cotton liquid;
Further, described siccative is dibutyltin dilaurate.
Two of object of the present invention is achieved through the following technical solutions: a kind of preparation method of matte varnish, comprises the following steps:
A, for subsequent use by above-mentioned formula feeding;
B, pour modified alkyd resin and dimethylbenzene into mixing machine, with the speed blending dispersion 15-20 minutes of 800 revs/min;
C, maintenance rotating speed are constant, add N-BUTYL ACETATE successively in order, dispersion agent, defoamer, wilkinite, flatting silica, nitro-cotton liquid, pimelinketone, flow agent, ethylene glycol ether acetate and siccative;
D, the speed blending dispersion 15-20 minutes then continuing with 800 revs/min.
Beneficial effect of the present invention: the matte varnish adopting special formulation of the present invention and preparation method's gained, its hardness is more than 2 times of existing common matte varnish hardness, and scratch resistance capability is extremely strong, substantially prolongs its work-ing life; Other performances also complete conformance with standard simultaneously, feel is better, is applicable to the furnishing fields of solid wood furniture.
Embodiment
Example 1
A kind of matte varnish, composed of the following components: modified alkyd resin 71.5kg, dimethylbenzene 5.3kg, N-BUTYL ACETATE 4.6kg, dispersion agent 0.25kg, defoamer 0.10kg, wilkinite 4.2kg, flatting silica 4.8kg, 1/4 nitro-cotton liquid 4.2kg, pimelinketone 1.8kg, flow agent 0.40kg, ethylene glycol ether acetate 1.8kg, siccative 0.25kg; In the present embodiment, described flow agent is mixed by the organically-modified silica alkane of 0.10kg and the polyether-modified polydimethylsiloxane of 0.30kg, and described siccative is dibutyltin dilaurate;
Described modified alkyd resin is made up of 20kg vegetable oil acid, 18kg glycerine, 5kg tetramethylolmethane, 15kg terephthalic acid, 0.1kg Hypophosporous Acid, 50,4kg phthalic anhydride, 5kg phenylformic acid, 4.5kg dimethylbenzene, 20kg acetone and 0.15kg dispersion agent, its preparation method is: by vegetable oil acid, glycerine, tetramethylolmethane, after terephthalic acid and Hypophosporous Acid, 50 drop into reactor, logical rare gas element in reactor, heating, start to stir after being warming up to 90 DEG C, and continue to be warmed up to 200-210 DEG C, constant temperature leaves standstill 40-50 minutes, then rapid temperature increases to 240-250 DEG C, constant temperature is to the complete transparent rear rapid cooling of reaction solution, phthalic anhydride is dropped into when being down in 190 DEG C of backward reactors, phenylformic acid and dimethylbenzene, again be warming up to 200-205 DEG C of refuxing esterification and be incubated 30-45 minutes, then less than 150 DEG C are cooled to, add acetone and dispersion agent, room temperature is naturally cooled to after stirring.
The concrete production method of described color inhibition Brilliant white paint is: pour modified alkyd resin and dimethylbenzene into mixing machine, with the speed blending dispersion 15-20 minutes of 800 revs/min; Keep rotating speed constant, add N-BUTYL ACETATE successively in order, dispersion agent, defoamer, wilkinite, flatting silica, nitro-cotton liquid, pimelinketone, flow agent, ethylene glycol ether acetate and siccative; Then the speed blending dispersion 15-20 minutes with 800 revs/min is continued.
Example 2
A kind of matte varnish, composed of the following components: modified alkyd resin 72.5kg, dimethylbenzene 4.8kg, N-BUTYL ACETATE 4.8kg, dispersion agent 0.15kg, defoamer 0.20kg, wilkinite 3.8kg, flatting silica 5.1kg, 1/4 nitro-cotton liquid 3.6kg, pimelinketone 2.4kg, flow agent 0.28kg, ethylene glycol ether acetate 2.1kg, siccative 0.15kg; In the present embodiment, described flow agent is mixed by the organically-modified silica alkane of 0.20kg and the polyether-modified polydimethylsiloxane of 0.08kg, and described siccative is dibutyltin dilaurate;
Described modified alkyd resin is made up of 25kg vegetable oil acid, 15kg glycerine, 6kg tetramethylolmethane, 10kg terephthalic acid, 0.15kg Hypophosporous Acid, 50,3kg phthalic anhydride, 6kg phenylformic acid, 3.5kg dimethylbenzene, 25kg acetone and 0.1kg dispersion agent; Its preparation method is with embodiment 1.
The production method of described matte varnish is with embodiment 1.
Example 3
A kind of matte varnish, composed of the following components: modified alkyd resin 72kg, dimethylbenzene 5kg, N-BUTYL ACETATE 5kg, dispersion agent 0.2kg defoamer 0.15kg, wilkinite 4.0kg, flatting silica 5.0kg, 1/4 nitro-cotton liquid 4.0kg, pimelinketone 2.0kg, flow agent 0.35kg; In the present embodiment, described flow agent is mixed by the organically-modified silica alkane of 0.09kg and the polyether-modified polydimethylsiloxane of 0.26kg, and ethylene glycol ether acetate 2.0kg, siccative 0.2kg, described siccative is dibutyltin dilaurate.
Described modified alkyd resin is made up of 23kg vegetable oil acid, 16kg glycerine, 5.5kg tetramethylolmethane, 12kg terephthalic acid, 0.12kg Hypophosporous Acid, 50,3.5kg phthalic anhydride, 5.5kg phenylformic acid, 4.0kg dimethylbenzene, 22kg acetone and 0.12kg dispersion agent; Its preparation method is with embodiment 1.
The production method of described matte varnish is with embodiment 1.
In above-mentioned three embodiments, the EFKA-4010 dispersion agent that described dispersion agent adopts the holy high chemical Science and Technology Ltd. in Guangzhou to produce; The EFKA-2020 defoamer that described defoamer adopts the holy high chemical Science and Technology Ltd. in Guangzhou to produce; The flatting silica A360 that described flatting silica adopts Loudi City Hong Sheng Chemical Co., Ltd. to manufacture.
By carrying out Performance Detection to above-described embodiment gained clear finish, property indices sees the following form:
As can be seen from the above table, matte varnish finish fineness≤25 μm of the present invention, quick levelling after spraying, paint film is full, good hand touch, and hardness is all at more than 2H, scratch resistance capability is strong, strong covering power, property indices is all higher than GB-P-R-010C, and over-all properties is apparently higher than the matte varnish product on existing market.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.

Claims (5)

1. a matte varnish, is characterized in that: composed of the following components by weight: modified alkyd resin 71.5-72.5, dimethylbenzene 4.8-5.3, N-BUTYL ACETATE 4.6-5.0, dispersion agent 0.15-0.25, defoamer 0.10-0.20, wilkinite 3.8-4.2, flatting silica 4.8-5.1, nitro-cotton liquid 3.6-4.2, pimelinketone 1.8-2.4, flow agent 0.28-0.40, ethylene glycol ether acetate 1.8-2.1, siccative 0.15-0.25; Wherein, described flow agent by weight part be 0.08-0.10 organically-modified silica alkane and weight part be 0.20-0.30 polyether-modified polydimethylsiloxane mix;
Described modified alkyd resin is made up of 20-25 parts of vegetable oil acids, 15-18 parts of glycerine, 5-6 parts of tetramethylolmethanes, 10-15 parts of terephthalic acids, 0.1-0.15 part of Hypophosporous Acid, 50,3-4 parts of phthalic anhydrides, 5-6 parts of phenylformic acid, 3.5-4.5 parts of dimethylbenzene, 20-25 parts of acetone and 0.1-0.15 part of dispersion agent by weight, its preparation method is: by vegetable oil acid, glycerine, tetramethylolmethane, after terephthalic acid and Hypophosporous Acid, 50 drop into reactor, rare gas element is passed in reactor, heating, start to stir after being warming up to 90 DEG C, and continue to be warmed up to 200-210 DEG C, constant temperature leaves standstill 40-50 minutes, then rapid temperature increases to 240-250 DEG C, constant temperature is to the complete transparent rear rapid cooling of reaction solution, phthalic anhydride is dropped into when being down in 190 DEG C of backward reactors, phenylformic acid and dimethylbenzene, again be warming up to 200-205 DEG C of refuxing esterification and keep constant temperature 30-45 minutes, then less than 150 DEG C are cooled to, add acetone and dispersion agent, room temperature is naturally cooled to after stirring.
2. matte varnish according to claim 1, is characterized in that: composed of the following components by weight: modified alkyd resin 72, dimethylbenzene 5, N-BUTYL ACETATE 5, dispersion agent 0.2, defoamer 0.15, wilkinite 4.0, flatting silica 5.0, nitro-cotton liquid 4.0, pimelinketone 2.0, flow agent 0.35, ethylene glycol ether acetate 2.0, siccative 0.2.
3. matte varnish according to claim 1, is characterized in that: described nitro-cotton liquid is 1/4 nitro-cotton liquid.
4. matte varnish according to claim 1, is characterized in that: described siccative is dibutyltin dilaurate.
5. a preparation method for matte varnish described in any one of claim 1-4, is characterized in that: comprise the following steps:
A, for subsequent use by described formula feeding;
B, pour modified alkyd resin and dimethylbenzene into mixing machine, with the speed blending dispersion 15-20 minutes of 800 revs/min;
C, maintenance rotating speed are constant, add N-BUTYL ACETATE successively in order, dispersion agent, defoamer, wilkinite, flatting silica, nitro-cotton liquid, pimelinketone, flow agent, ethylene glycol ether acetate and siccative;
D, the speed blending dispersion 15-20 minutes then continuing with 800 revs/min.
CN201310023169.4A 2013-01-22 2013-01-22 Low-gloss clear finishing coat and preparation method thereof Expired - Fee Related CN103102775B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104387933A (en) * 2014-11-07 2015-03-04 南宁市老永淳红木家具厂 Mahogany primer and preparation method thereof
CN104479526A (en) * 2014-12-09 2015-04-01 三棵树涂料股份有限公司 Fast-drying polyurethane primer used in winter and preparation method of fast-drying polyurethane primer
CN105295682A (en) * 2015-11-24 2016-02-03 安徽旺家源门业有限公司 Alkyd paint for door and preparation method of alkyd paint
CN106893464A (en) * 2017-03-03 2017-06-27 肇庆市哈力化工有限公司 A kind of plastic roller coating dumb light paint and preparation method thereof

Citations (4)

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Publication number Priority date Publication date Assignee Title
CN101962511A (en) * 2010-10-25 2011-02-02 江苏冠军涂料科技集团有限公司 Novel polyurethane white primer for wooden ware protection
CN101967344A (en) * 2010-10-25 2011-02-09 江苏冠军涂料科技集团有限公司 Novel transparent semi-matte polyurethane varnish used for woodenware protection
CN102051110A (en) * 2010-12-14 2011-05-11 惠州市长润发涂料有限公司 Alkyd resin for wood lacquer and preparation method thereof
CN102816510A (en) * 2012-08-10 2012-12-12 三棵树涂料股份有限公司 Hand-sweeping PU transparent priming paint used in furniture factory

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101962511A (en) * 2010-10-25 2011-02-02 江苏冠军涂料科技集团有限公司 Novel polyurethane white primer for wooden ware protection
CN101967344A (en) * 2010-10-25 2011-02-09 江苏冠军涂料科技集团有限公司 Novel transparent semi-matte polyurethane varnish used for woodenware protection
CN102051110A (en) * 2010-12-14 2011-05-11 惠州市长润发涂料有限公司 Alkyd resin for wood lacquer and preparation method thereof
CN102816510A (en) * 2012-08-10 2012-12-12 三棵树涂料股份有限公司 Hand-sweeping PU transparent priming paint used in furniture factory

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Address after: 400 000 District B of Zhaojia Industrial Park, Kaizhou District, Chongqing

Patentee after: CHONGQING PINSHENG NEW MATERIAL CO.,LTD.

Address before: 405400 Zhaojia Industrial Park Area B, Kaixian County, Chongqing

Patentee before: CHONGQING PINSHENG PAINT Co.,Ltd.

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Granted publication date: 20150422