CN105566966A - 耐磨水性聚氨酯复合涂料 - Google Patents

耐磨水性聚氨酯复合涂料 Download PDF

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CN105566966A
CN105566966A CN201610039707.2A CN201610039707A CN105566966A CN 105566966 A CN105566966 A CN 105566966A CN 201610039707 A CN201610039707 A CN 201610039707A CN 105566966 A CN105566966 A CN 105566966A
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陈卉
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Guangxi University
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    • 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
    • C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
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    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18—Fireproof paints including high temperature resistant paints
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular

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Abstract

耐磨水性聚氨酯复合涂料，按重量份数计包括下列组分：水性聚氨酯45～65份、去离子水25～45份、聚丙烯酸20～30份、多异氰酸酯15～25份、丙烯酸酯15～25份、固化剂10～20份、钛白粉10～15份、消泡剂3～8份。本发明的耐磨水性聚氨酯复合涂料结合了聚氨酯涂料和聚丙烯涂料的优点，能够快速固定成膜，涂层具有优秀的附着力，且无污染，具有耐磨、耐腐蚀、耐热、耐光、耐水和力学性能良好的优点。

Description

耐磨水性聚氨酯复合涂料
技术领域
本发明涉及涂料领域，具体涉及一种耐磨水性聚氨酯复合涂料。
背景技术
涂料是指应用于物体表面而能结成坚韧保护膜的物料的总称，是涂覆在被保护或被装饰的物体表面，并能与被涂物形成牢固附着的连续薄膜的粘稠液体，具有保护、装饰、或绝缘、防霉、防锈等的作用。涂料的一般组成包括成膜物质、颜料、填料、溶剂、助剂。
水性涂料是指以水作溶剂或分散介质的涂料，包括水溶性涂料、水稀释性涂料和水分散性涂料三种。具有不燃、无污染的特点。水溶性涂料的缺点是容易老化、拉伸率下降，容易造成墙面开裂、脱落，不进影响美观，而且易出现墙面漏水、开裂的情况。
聚氨酯涂料是一种成膜温度低、附着力强、耐磨性好、硬度大、具有良好的耐化学品、耐水性、耐候性的一种常见涂料。传统的聚氨酯涂料是用有机溶剂溶解的，配以催化剂、无水助剂、无水填充剂等。有机溶剂的挥发会对环境造成污染，同时市面上目前出售的水性聚氨酯涂料价格昂贵，无法满足更多消费者对质量高、成本低、环保健康的水性聚氨酯涂料的要求。而聚丙烯酸是一种耐化学品性差、耐水性差的涂料。这些涂料如何结合使用可以实现互补，是一个需要深入研究的内容。
发明内容
本发明的目的在于提供一种耐磨水性聚氨酯复合涂料。
本发明的目的通过以下技术方案实现：
耐磨水性聚氨酯复合涂料，按重量份数计包括下列组分：水性聚氨酯45～65份、去离子水25～45份、聚丙烯酸20～30份、多异氰酸酯15～25份、丙烯酸酯15～25份、固化剂10～20份、钛白粉10～15份、消泡剂3～8份。
进一步，所述的固化剂为氨乙基哌嗪、多乙烯多胺、二乙胺基丙胺、间苯二胺、二氨基二苯基甲烷的一种或几种。
固化剂又名硬化剂、熟化剂或变定剂，是一类增进或控制固化反应的物质或混合物。固化剂是必不可少的添加物，无论是作粘接剂、涂料、浇注料都需添加固化剂，否则环氧树脂不能固化。固化剂的品种对固化物的力学性能、耐热性、耐水性、耐腐蚀性等都有很大影响。
进一步，所述的消泡剂为磷酸三丁酯、聚氧乙烯聚氧丙醇胺醚、聚氧丙烯甘油醚和聚二甲基硅氧烷的一种或几种。
消泡剂，也称消沫剂，是降低表面张力，抑制泡沫产生或消除已产生泡沫的添加剂。具有不影响起泡体系、扩散性和渗透性好、化学性稳定、无生理活性、无腐蚀、无毒、无不良副作用、不燃、不爆的性质。
多异氰酸酯，是聚氨酯胶黏剂的主要原料之一，多异氰酸酯中甲苯二异氰酸酯采用价格低廉的甲苯与苯为原料，发展很快，占主导地位；可以制成交联密度较高的聚氨酯胶黏剂。
二乙胺基丙胺，分子量130，固化：60-70℃4小时。适用期50克25℃4小时，热变形温78-94℃，抗压强度920-1050kg/cm2，抗拉强度480-640kg/cm2。中温固化、低温性能好。
二氨基二苯基甲烷，分子量196，固化60℃2小时+150℃2小时。适用期500克50℃3小时，热变形温度145-150℃，抗弯强度1190kg/cm2，抗压强度710kg/cm2，抗拉强度550kg/cm2，伸长率4.4％。耐热、耐腐蚀性优，电性能好，毒性小，机械强度高。
磷酸三丁酯，用作溶剂，还常作为硝基纤维素、醋酸纤维素、氯化橡胶和聚氯乙烯的增塑剂，稀有金属的萃取剂等，热交换介质。由于其低的表面张力，难溶于水的物性，可作为工业用消泡剂，有效的使已形成的泡沫的膜处于不稳定的状态而迅速消泡。对丙烯酸酯类、甲基丙烯酸酯类、丙烯酸、丙烯腈、苯乙烯、丁二烯有较好的阻聚效果，其阻聚性能优于酚类。
聚二甲基硅氧烷，也称二甲基硅油。它表面能低，表面张力也较低，在水及一般油中的溶解度低且活性高。它的主链为硅氧键，为非极性分子。与极性溶剂水不亲和，与一般油的亲和性也很小。它挥发性低并具有化学惰性，比较稳定且毒性小。将硅油混入SiO2气溶胶，即将疏水处理后的SiO2气溶胶混入二甲基硅油中，经一定温度、一定时间处理，就可制得。
本发明的有益效果是：
本发明的耐磨水性聚氨酯复合涂料结合了聚氨酯涂料和聚丙烯涂料的优点，两者互补，使得本发明的涂料能够快速固定成膜，涂层具有优秀的附着力，且无污染，具有耐磨、耐腐蚀、耐热、耐光、耐水和力学性能良好的优点。
具体实施方式
实施例1
耐磨水性聚氨酯复合涂料，按重量份数计包括下列组分：水性聚氨酯60份、去离子水45份、聚丙烯酸25份、多异氰酸酯25份、丙烯酸酯25份、二氨基二苯基甲烷20份、钛白粉15份、磷酸三丁酯8份。
实施例2
耐磨水性聚氨酯复合涂料，按重量份数计包括下列组分：水性聚氨酯65份、去离子水40份、聚丙烯酸20份、多异氰酸酯20份、丙烯酸酯18份、氨乙基哌嗪9份、间苯二胺8份、钛白粉13份、聚氧丙烯甘油醚3份、聚二甲基硅氧烷3份。
实施例3
耐磨水性聚氨酯复合涂料，按重量份数计包括下列组分：水性聚氨酯65份、去离子水45份、聚丙烯酸25份、多异氰酸酯15份、丙烯酸酯20份、多乙烯多胺15份、钛白粉10份、磷酸三丁酯4份、聚氧丙烯甘油醚4份。

Claims (3)

1.耐磨水性聚氨酯复合涂料，其特征在于，按重量份数计包括下列组分：水性聚氨酯45～65份、去离子水25～45份、聚丙烯酸20～30份、多异氰酸酯15～25份、丙烯酸酯15～25份、固化剂10～20份、钛白粉10～15份、消泡剂3～8份。
2.根据权利要求1所述的耐磨水性聚氨酯复合涂料，其特征在于，所述的固化剂为氨乙基哌嗪、多乙烯多胺、二乙胺基丙胺、间苯二胺、二氨基二苯基甲烷的一种或几种。
3.根据权利要求1所述的耐磨水性聚氨酯复合涂料，其特征在于，所述的消泡剂为磷酸三丁酯、聚氧乙烯聚氧丙醇胺醚、聚氧丙烯甘油醚和聚二甲基硅氧烷的一种或几种。
CN201610039707.2A 2016-01-21 2016-01-21 耐磨水性聚氨酯复合涂料 Pending CN105566966A (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0426085A1 (en) * 1989-10-30 1991-05-08 Aqualon Company Radiation-curable blend of a cellulose ester and a multifunctional (meth)acrylate
CN101974141A (zh) * 2010-09-19 2011-02-16 广州市香港科大霍英东研究院 水性聚丙烯酸酯改性聚氨酯分散体的制备方法
CN103540253A (zh) * 2013-10-16 2014-01-29 苏州瑞邦塑胶有限公司 一种水性双组分聚氨酯涂料
CN103642377A (zh) * 2013-10-16 2014-03-19 苏州瑞邦塑胶有限公司 一种水性聚氨酯复合涂料

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0426085A1 (en) * 1989-10-30 1991-05-08 Aqualon Company Radiation-curable blend of a cellulose ester and a multifunctional (meth)acrylate
CN101974141A (zh) * 2010-09-19 2011-02-16 广州市香港科大霍英东研究院 水性聚丙烯酸酯改性聚氨酯分散体的制备方法
CN103540253A (zh) * 2013-10-16 2014-01-29 苏州瑞邦塑胶有限公司 一种水性双组分聚氨酯涂料
CN103642377A (zh) * 2013-10-16 2014-03-19 苏州瑞邦塑胶有限公司 一种水性聚氨酯复合涂料

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