CN106916480A - 一种水性涂料分散剂 - Google Patents

一种水性涂料分散剂 Download PDF

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Publication number
CN106916480A
CN106916480A CN201710060416.6A CN201710060416A CN106916480A CN 106916480 A CN106916480 A CN 106916480A CN 201710060416 A CN201710060416 A CN 201710060416A CN 106916480 A CN106916480 A CN 106916480A
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Prior art keywords
parts
water paint
dispersion
dispersant
pigments
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姚孝国
刘杨
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Anhui Huasheng Coating Co Ltd
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Anhui Huasheng Coating Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/65Additives macromolecular
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/63Additives non-macromolecular organic

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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)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

本发明公开了一种水性涂料分散剂,由以下成分制成,丙烯酸、甲基丙烯酸甲酯、醋酸丁酯、高分子羧酸聚合物、聚醚改性聚硅氧烷、氧化铬、滑石粉、乙二醇、有机溶剂、引发剂、亚硫酸钠、中和剂;本发明分散剂能够降低水性涂料的表面张力,增强对颜料颗粒的润湿作用,使颜料颗粒在液相中稳定的分散,并且能够与涂料表面基团迅速牢固的结合,使颜料粒子稳定的悬浮在水溶剂中,使颜料获得较好的分散,达到最佳的分散效果,通过添加氧化铬、滑石粉,来提高分散效果和分散速度。

Description

一种水性涂料分散剂
技术领域
本发明涉及涂料领域,特别是涉及一种水性涂料分散剂。
背景技术
分散剂是一种在分子内同时具有亲油性和亲水性两种相反性质的界面活性剂,可均一分散难溶于液体的无机、有机颜料的固体颗粒,增强对颜料颗粒的润湿作用,缩短分散时间,提高光泽,提高着色力和遮盖力,改善展色性和调色性,防止浮色发花,同时防止固体颗粒的沉降和凝聚。人们对健康环保要求的提高,水性环保涂料成为建筑装饰领域的新宠。但水的表面张力要比有机溶剂大很多,就需要添加一些助剂降低水的表面张力,使颜料颗粒在液相中稳定的分散。然而,现有市场上生产的许多分散剂,分散效果不明显,效率低。
发明内容
本发明的目的在于提供一种水性涂料分散剂,它能增强对颜料颗粒的润湿作用,缩短分散时间,提高光泽,提高着色力和遮盖力,改善展色性和调色性,防止浮色发花,改善施涂时的效率。
本发明通过以下技术方案实现:
一种水性涂料分散剂,其特征在于,按重量份计由以下成分制成,丙烯酸10份、甲基丙烯酸甲酯10份、醋酸丁酯10份、高分子羧酸聚合物10份、聚醚改性聚硅氧烷3份、氧化铬2份、滑石粉5份、乙二醇10份、有机溶剂30份、引发剂3份、亚硫酸钠3份、中和剂4份。
进一步地,所述有机溶剂为乙醇。
进一步地,所述引发剂为过亚硫酸氢钠。
进一步地,所述中和剂为氢氧化钠。
本发明的有益效果是:能够降低水性涂料的表面张力,增强对颜料颗粒的润湿作用,使颜料颗粒在液相中稳定的分散,并且能够与涂料表面基团迅速牢固的结合,使颜料粒子稳定的悬浮在水溶剂中,使颜料获得较好的分散,达到最佳的分散效果,通过添加氧化铬、滑石粉,来提高分散效果和分散速度。
具体实施方式
以下将结合一个实施例,对本发明进行较为详细的说明。
实施例:
一种水性涂料分散剂,配方为:丙烯酸10份、甲基丙烯酸甲酯10份、醋酸丁酯10份、高分子羧酸聚合物10份、聚醚改性聚硅氧烷3份、氧化铬2份、滑石粉5份、乙二醇10份、乙醇30份、过亚硫酸氢钠3份、亚硫酸钠3份、氢氧化钠4份。添加本发明涂料分散剂的涂料能增强对颜料颗粒的润湿作用,缩短分散时间,提高光泽,提高着色力和遮盖力,改善展色性和调色性,防止浮色发花,同时防止固体颗粒的沉降和凝聚。

Claims (4)

1.一种水性涂料分散剂,其特征在于,按重量份计由以下成分制成,丙烯酸10份、甲基丙烯酸甲酯10份、醋酸丁酯10份、高分子羧酸聚合物10份、聚醚改性聚硅氧烷3份、氧化铬2份、滑石粉5份、乙二醇10份、有机溶剂30份、引发剂3份、亚硫酸钠3份、中和剂4份。
2.根据权利要求1所述的一种水性涂料分散剂,其特征在于,所述有机溶剂为乙醇。
3.根据权利要求1所述的一种水性涂料分散剂,其特征在于,所述引发剂为过亚硫酸氢钠。
4.根据权利要求1所述的一种水性涂料分散剂,其特征在于,所述中和剂为氢氧化钠。
CN201710060416.6A 2017-01-24 2017-01-24 一种水性涂料分散剂 Pending CN106916480A (zh)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102649885A (zh) * 2011-02-24 2012-08-29 深圳市长辉新材料科技有限公司 一种润湿分散剂
CN105295502A (zh) * 2015-11-13 2016-02-03 宣城市聚源精细化工有限公司 一种水性涂料分散剂

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102649885A (zh) * 2011-02-24 2012-08-29 深圳市长辉新材料科技有限公司 一种润湿分散剂
CN105295502A (zh) * 2015-11-13 2016-02-03 宣城市聚源精细化工有限公司 一种水性涂料分散剂

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