CN103102775A - 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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CN103102775A
CN103102775A CN2013100231694A CN201310023169A CN103102775A CN 103102775 A CN103102775 A CN 103102775A CN 2013100231694 A CN2013100231694 A CN 2013100231694A CN 201310023169 A CN201310023169 A CN 201310023169A CN 103102775 A CN103102775 A CN 103102775A
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dimethylbenzene
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CN103102775B (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 is by 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, and shorten work-ing life.In order to solve this shortcoming of clear lacquer, the dumb light paint has appearred then, and the 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, easily is scratched.And use for a long time and rub after can polish gradually, 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, one of purpose of the present invention is to provide a kind of matte varnish, makes its scratch resistance, and is wear-resisting, greatly extends its work-ing life under normal service condition, do not affect its soft visual effect and good feel simultaneously.
One of purpose of the present invention realizes by following technique means: a kind of matte varnish, and 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 modified alkyd resin is comprised of 20-25 part vegetable oil acid, 15-18 part glycerine, 5-6 part tetramethylolmethane, 10-15 part terephthalic acid, 0.1-0.15 part Hypophosporous Acid, 50,3-4 part phthalic anhydride, 5-6 part phenylformic acid, 3.5-4.5 part dimethylbenzene, 20-25 part acetone and 0.1-0.15 part dispersion agent by weight, its preparation method is: with vegetable oil acid, glycerine, tetramethylolmethane, after terephthalic acid and Hypophosporous Acid, 50 drop into reactor, lead to rare gas element in reactor, heating, begin to stir after being warming up to 90 ℃, and continue to be warmed up to 200-210 ℃, the standing 40-50 of constant temperature minute, then be warming up to rapidly 240-250 ℃, constant temperature is to reaction solution transparent rear rapid cooling fully, drop into phthalic anhydride in being down to 190 ℃ of backward reactors, phenylformic acid and dimethylbenzene, again be warming up to 200-205 ℃ of backflow esterification and be incubated 30-45 minute, then be cooled to below 150 ℃, add acetone and dispersion agent, naturally cooling to room temperature after stirring gets final product.。
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 flow agent is that the organically-modified silica alkane of 0.08-0.10 and polyether-modified polydimethylsiloxane that weight part is 0.20-0.30 mix by weight part.
Further, described nitro-cotton liquid is 1/4 nitro-cotton liquid;
Further, described siccative is dibutyltin dilaurate.
Two of purpose of the present invention is achieved through the following technical solutions: a kind of preparation method of matte varnish comprises the following steps:
A, standby by above-mentioned formula feeding;
B, pour modified alkyd resin and dimethylbenzene into mixing machine, with the speed blending dispersion of 800 rev/mins 15-20 minute;
C, keep rotating speed constant, add successively in order N-BUTYL ACETATE, dispersion agent, defoamer, wilkinite, flatting silica, nitro-cotton liquid, pimelinketone, flow agent, ethylene glycol ether acetate and siccative;
D, the speed blending dispersion that then continues with 800 rev/mins got final product in 15-20 minute.
Beneficial effect of the present invention: adopt the matte varnish of special formulation of the present invention and preparation method's gained, its hardness is existing more than 2 times of common matte varnish hardness, and scratch resistance is very competent, has greatly extended its work-ing life; Other performances of while are complete conformance with standard also, and feel is better, is applicable to the decoration field 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 comprised 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: with vegetable oil acid, glycerine, tetramethylolmethane, after terephthalic acid and Hypophosporous Acid, 50 drop into reactor, lead to rare gas element in reactor, heating, begin to stir after being warming up to 90 ℃, and continue to be warmed up to 200-210 ℃, the standing 40-50 of constant temperature minute, then be warming up to rapidly 240-250 ℃, constant temperature is to reaction solution transparent rear rapid cooling fully, drop into phthalic anhydride in being down to 190 ℃ of backward reactors, phenylformic acid and dimethylbenzene, again be warming up to 200-205 ℃ of backflow esterification and be incubated 30-45 minute, then be cooled to below 150 ℃, add acetone and dispersion agent, naturally cooling to room temperature after stirring gets final product.
The concrete production method of the described light of anti-xanthochromia white finish paint is: pour modified alkyd resin and dimethylbenzene into mixing machine, with the speed blending dispersion of 800 rev/mins 15-20 minute; Keep rotating speed constant, add successively in order N-BUTYL ACETATE, dispersion agent, defoamer, wilkinite, flatting silica, nitro-cotton liquid, pimelinketone, flow agent, ethylene glycol ether acetate and siccative; Then the speed blending dispersion that continues with 800 rev/mins got final product in 15-20 minute.
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 comprised 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, ethylene glycol ether acetate 2.0kg, and siccative 0.2kg, described siccative are dibutyltin dilaurate.
Described modified alkyd resin is comprised 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 embodiment, 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; Described flatting silica adopts the Loudi City letter to contain the flatting silica A360 that Chemical Co., Ltd. is made.
By above-described embodiment gained clear finish is carried out Performance Detection, property indices sees the following form:
Figure BDA00002761529100041
Figure BDA00002761529100051
As can be seen from the above table, matte varnish finish fineness of the present invention≤25 μ m, quick levelling after spraying, paint film is full, good hand touch, and also hardness is all more than 2H, the scratch resistance ability is strong, strong covering power, property indices be all higher than GB-P-R-010C, the matte varnish product of over-all properties on the existing market.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.

Claims (6)

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;
described modified alkyd resin is comprised of 20-25 part vegetable oil acid, 15-18 part glycerine, 5-6 part tetramethylolmethane, 10-15 part terephthalic acid, 0.1-0.15 part Hypophosporous Acid, 50,3-4 part phthalic anhydride, 5-6 part phenylformic acid, 3.5-4.5 part dimethylbenzene, 20-25 part acetone and 0.1-0.15 part dispersion agent by weight, its preparation method is: with vegetable oil acid, glycerine, tetramethylolmethane, after terephthalic acid and Hypophosporous Acid, 50 drop into reactor, pass into rare gas element in reactor, heating, begin to stir after being warming up to 90 ℃, and continue to be warmed up to 200-210 ℃, the standing 40-50 of constant temperature minute, then be warming up to rapidly 240-250 ℃, constant temperature is to reaction solution transparent rear rapid cooling fully, drop into phthalic anhydride in being down to 190 ℃ of backward reactors, phenylformic acid and dimethylbenzene, again be warming up to 200-205 ℃ of backflow esterification and kept constant temperature 30-45 minute, then be cooled to below 150 ℃, add acetone and dispersion agent, naturally cooling to room temperature after stirring gets final product.
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 flow agent is that the organically-modified silica alkane of 0.08-0.10 and polyether-modified polydimethylsiloxane that weight part is 0.20-0.30 mix by weight part.
4. matte varnish according to claim 1, it is characterized in that: described nitro-cotton liquid is 1/4 nitro-cotton liquid.
5. matte varnish according to claim 1, it is characterized in that: described siccative is dibutyltin dilaurate.
6. the preparation method of the described matte varnish of claim 1-5 any one is characterized in that: comprise the following steps:
A, standby by described formula feeding;
B, pour modified alkyd resin and dimethylbenzene into mixing machine, with the speed blending dispersion of 800 rev/mins 15-20 minute;
C, keep rotating speed constant, add successively in order N-BUTYL ACETATE, dispersion agent, defoamer, wilkinite, flatting silica, nitro-cotton liquid, pimelinketone, flow agent, ethylene glycol ether acetate and siccative;
D, the speed blending dispersion that then continues with 800 rev/mins got final product in 15-20 minute.
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 (4)

* 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)

* 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

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

Cited By (4)

* 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

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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

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Granted publication date: 20150422