WO2019019298A1 - 一种环保淋涂面漆及其制备方法 - Google Patents

一种环保淋涂面漆及其制备方法 Download PDF

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WO2019019298A1
WO2019019298A1 PCT/CN2017/101470 CN2017101470W WO2019019298A1 WO 2019019298 A1 WO2019019298 A1 WO 2019019298A1 CN 2017101470 W CN2017101470 W CN 2017101470W WO 2019019298 A1 WO2019019298 A1 WO 2019019298A1
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resin
environmentally
solvent
friendly
topcoat
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PCT/CN2017/101470
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English (en)
French (fr)
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陈春梅
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陈春梅
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Publication of WO2019019298A1 publication Critical patent/WO2019019298A1/zh

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
    • C09D101/08—Cellulose derivatives
    • C09D101/16—Esters of inorganic acids
    • C09D101/18—Cellulose nitrate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
    • C09D161/02—Condensation polymers of aldehydes or ketones only
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Definitions

  • the invention relates to a coating.
  • the topcoats on the market generally have the disadvantages of large loss during construction, easy to bite the bottom of the paint film, and easy to whiten.
  • the technical problem to be solved by the present invention is to provide an environmentally-friendly topcoat which has good comprehensive performance and a preparation method thereof.
  • the invention relates to an environmentally-friendly topcoat which is excellent in comprehensive performance, and is composed of a varnish and a diluent.
  • the varnish is composed of the following mass percentage components: 10-20% of hydroxyalkyd resin, 20-25% of aldehyde ketone resin, amino resin 3-5%, 1/4 second nitrocellulose 20 to 35%, auxiliaries 5.5% to 15%, solvent 20 to 35%, color paste 5 to 10%.
  • the resin in the formulation has a significant improvement on the dryness, gloss, fullness and solid content of the paint film, and the adhesion of the product to the substrate is also significantly improved, and the hardness of the paint film can also be improved.
  • the solvent is 100% by mass, 2-10% by weight of ethylene glycol butyl ether, 5-10% of acetone, 10-20% of methyl pentanone, 20-30% of isopropanol, and isobutyl
  • the alcohol is composed of 25-35% and ethyl acetate 15-30%.
  • the above solvent formula is a solvent system specially developed for the topcoat which is different from the traditional spraying process, and solves the problem that the paint film is easy to be white, bite bottom and leveling due to the solvent problem caused by the conventional spray top coat. It also solves the problem that the thickness of the paint film is not well controlled due to the easy falling of the coating caused by the coating construction.
  • the solvent is 100% by mass, 5% from ethylene glycol methyl ether, 5% from acetone, 10% from methyl pentanone, 30% from isopropanol, 35% from isobutanol, and ethyl acetate. 15% composition.
  • the auxiliary agent is 2 to 5% of a plasticizer, 0.5 to 1.5% of a leveling agent, and 3-5% of an adhesion promoter.
  • the diluent is 100% by volume, 20-30% by ethyl acetate, 5-10% by methyl isobutyl ketone, 10-20% of methyl amyl ketone, and 20-30% of isopropanol. %, isobutanol 20-30% composition.
  • the above environmentally friendly coating is prepared by first mixing the solvent, slowly adding 1/4 second of nitrocellulose with a dispersing machine while stirring, and adding hydroxy alkyd resin after stirring for 1/4 second of the nitrocellulose.
  • the invention has excellent dryness and luster by screening suitable resin system and solvent system. Degree, fullness, adhesion.
  • the above embodiment adopts the following preparation process: firstly mix the solvent, and slowly add 1/4 second of nitrocellulose with a dispersing machine while stirring, and then add hydroxyalkyd resin and aldehyde after stirring for 1/4 second of nitrocellulose. After the ketone resin is dissolved, the hydroxy alkyd resin and the aldehyde ketone resin are dissolved, and the auxiliaries are sequentially added while stirring, and the mixture is uniformly stirred.
  • the varnish prepared in the above three examples was mixed with a diluent in a volume ratio of 1:3 to obtain a finished top coat which was directly used for construction.
  • the formulation of the diluent is composed of ethyl acetate 20%, methyl isobutyl ketone 10%, methyl amyl ketone 10%, isopropanol 30%, and isobutanol 30%, based on 100% by volume.
  • the topcoat of the present invention has the advantages of good surface effect, hardness, adhesion, and good dryness.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

一种综合性能优良的环保淋涂面漆，由清漆和稀释剂组成，所述清漆由如下质量百分比的组分组成：羟基醇酸树脂10～20％、醛酮树脂20～25％，氨基树脂3-5％，1/4秒硝化棉20～35％、助剂5.5％～15％，溶剂20～35％，色浆5～10％。通过筛选合适的树脂体系和溶剂体系，所制备的淋涂面漆具有优异的干性、光泽度、丰满度、附着力。

Description

一种环保淋涂面漆及其制备方法 技术领域
本发明涉及一种涂料。
背景技术
目前市场上的淋涂面漆普遍存在施工时损耗大，漆膜易咬底，易发白等缺点，
发明内容
基于此，本发明所要解决的技术问题是提供一种综合性能良好的环保淋涂面漆，还提供其制备方法。
一种综合性能优良的环保淋涂面漆，由清漆和稀释剂组成，所述清漆由如下质量百分比的组分组成：羟基醇酸树脂10～20％、醛酮树脂20～25％，氨基树脂3-5％，1/4秒硝化棉20～35％、助剂5.5％～15％，溶剂20～35％，色浆5～10％。该配方中的树脂对漆膜的干性、光泽、丰满度、固体份含量有明显提高，对产品对底材的附着力也有明显改善，也可提高漆膜硬度。
进一步的，所述溶剂按质量百分比100％计，由乙二醇丁醚2-10％，丙酮5-10％，甲基戊酮醇10-20％，异丙醇20-30％，异丁醇25-35％，乙酸乙酯15-30％组成。上述溶剂配方是专门为该淋涂面漆研发的不同于传统喷涂工艺的溶剂体系，解决了传统喷涂面漆因溶剂的问题所导致的漆膜易发白、咬底、流平不佳的问题，亦解决了因淋涂施工所导致的易流坠，漆膜厚度不好控制的问题。
更进一步的，所述溶剂按质量百分比100％计，由乙二醇甲醚5％，丙酮5％，甲基戊酮醇10％，异丙醇30％，异丁醇35％，乙酸乙酯15％组成。
进一步的，所述助剂为增塑剂2～5％，流平剂0.5～1.5％，附着力促进剂3-5％。
进一步的，所述稀释剂按体积百分比100％计，由乙酸乙酯20-30％，甲基异丁基酮5-10％，甲基戊酮醇10-20％，异丙醇20-30％，异丁醇20-30％组成。
上述的环保涂料的制备方法为：先将溶剂混匀，用分散机边搅拌边慢慢加入1/4秒硝化棉，待1/4秒硝化棉溶解完全后边搅拌边边加入羟基醇酸树脂和醛酮树脂，待羟基醇酸树脂和醛酮树脂溶解好以后，边搅拌边依次加入助剂，搅拌均匀。
本发明具有如下有益效果：
本发明通过筛选合适的树脂体系和溶剂体系，所制备的淋涂面漆具有优异的干性、光泽 度、丰满度、附着力。
具体实施方式
下面结合实施例对本发明进行详细的说明。
表1实施例1-3配方表
Figure PCTCN2017101470-appb-000001
上述溶剂的配方如下：
Figure PCTCN2017101470-appb-000002
以上实施例采用如下制备工艺：先将溶剂混匀，用分散机边搅拌边慢慢加入1/4秒硝化棉，待1/4秒硝化棉溶解完全后边搅拌边边加入羟基醇酸树脂和醛酮树脂，待羟基醇酸树脂和醛酮树脂溶解好以后，边搅拌边依次加入助剂，搅拌均匀。
将上述三个实施例制备的清漆，与稀释剂以1:3的体积比混合，得到直接用于施工的成品面漆。稀释剂的配方，按体积百分比100％计，由乙酸乙酯20％，甲基异丁基酮10％，甲基戊酮醇10％，异丙醇30％，异丁醇30％组成。
按照上述实施例1～3配方和稀释剂制成的产品的技术指标如下表：
Figure PCTCN2017101470-appb-000003
由上表所示，本发明的面漆具有表面效果好、硬度、附着力、干性好等优势。

Claims (6)

  1. 一种环保淋涂面漆，由色漆和稀释剂组成，其特征在于：所述色漆由如下质量百分比的组分组成：羟基醇酸树脂10～20％、醛酮树脂20～25％，氨基树脂3-5％，1/4秒硝化棉20～35％、助剂5.5％～15％，溶剂20～35％，色浆5～10％。
  2. 根据权利要求1所述的综合性能优良的环保淋涂面漆，其特征在于：所述溶剂按质量百分比100％计，由乙二醇丁醚2-10％，丙酮5-10％，甲基戊酮醇10-20％，异丙醇20-30％，异丁醇25-35％，乙酸乙酯15-30％组成。
  3. 根据权利要求2所述的综合性能优良的环保淋涂面漆，其特征在于：所述溶剂按质量百分比100％计，由乙二醇甲醚5％，丙酮5％，甲基戊酮醇10％，异丙醇30％，异丁醇35％，乙酸乙酯15％组成。
  4. 根据权利要求1所述的综合性能优良的环保淋涂面漆，其特征在于：所述助剂为增塑剂2～5％，流平剂0.5～1.5％，附着力促进剂3-5％。
  5. 根据权利要求1所述的综合性能优良的环保淋涂面漆，其特征在于：所述稀释剂按体积百分比100％计，由乙酸乙酯20-30％，甲基异丁基酮5-10％，甲基戊酮醇10-20％，异丙醇20-30％，异丁醇20-30％组成。
  6. 一种权利要求1～4任意一项所述的环保淋涂面漆的制备方法，其特征在于所述清漆的制备工艺为：先将溶剂混匀，用分散机边搅拌边慢慢加入1/4秒硝化棉，待1/4秒硝化棉溶解完全后边搅拌边边加入羟基醇酸树脂和醛酮树脂，待羟基醇酸树脂和醛酮树脂溶解好以后，边搅拌边依次加入助剂，搅拌均匀。
PCT/CN2017/101470 2017-07-28 2017-09-13 一种环保淋涂面漆及其制备方法 WO2019019298A1 (zh)

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CN106398400A (zh) * 2016-09-22 2017-02-15 广东珠江化工涂料有限公司 一种环保型硝基清漆及其制备方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1390899A (zh) * 2002-07-26 2003-01-15 东莞东成发化工有限公司 一种塑胶真空电镀面漆及其制备方法
CN102020916A (zh) * 2010-12-14 2011-04-20 惠州市长润发涂料有限公司 一种硝基清漆及其制备方法
CN103013308A (zh) * 2012-11-27 2013-04-03 常州大学 一种新型环保聚酯木器漆
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