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CN104292987A - 一种烤漆用水性铝银浆及其制备方法 - Google Patents

一种烤漆用水性铝银浆及其制备方法 Download PDF

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CN104292987A
CN104292987A CN201410574956.2A CN201410574956A CN104292987A CN 104292987 A CN104292987 A CN 104292987A CN 201410574956 A CN201410574956 A CN 201410574956A CN 104292987 A CN104292987 A CN 104292987A
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董前年
朱双单
徐瞳瞳
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HEFEI SUNRISE ALUMINIUM PIGMENTS 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
    • C09D17/00Pigment pastes, e.g. for mixing in paints
    • C09D17/004Pigment pastes, e.g. for mixing in paints containing an inorganic pigment
    • C09D17/006Metal
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/62Metallic pigments or fillers
    • C09C1/64Aluminium
    • C09C1/648Aluminium treated with inorganic and organic, e.g. polymeric, compounds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/006Combinations of treatments provided for in groups C09C3/04 - C09C3/12
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06Treatment with inorganic compounds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/10Treatment with macromolecular organic compounds

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  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
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  • Wood Science & Technology (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)

Abstract

本发明公开了一种烤漆用水性铝银浆,其特征是由下述重量份的原料组成:微米级片状铝粉40-60,酒石酸0.1-0.2,单宁酸0.02-0.04,立德粉1-2,正硅酸乙酯10-12,二甲苯磺酸钠0.1-0.2,十二烷基苯磺酸钠0.1-0.2,石棉粉0.5-1,硅烷偶联剂A-1510.2-0.4,异辛醇聚氧乙烯醚磷酸酯0.01-0.02,三乙醇胺硼酸酯0.01-0.02,聚二甲基二烯丙基氯化铵4-6,羧甲基纤维素6-8,助剂8-10。本发明的铝银浆具有良好的耐高温、阻燃性能和良好的耐候性,且水分散性高,涂层粘附性好,涂膜光亮丰满,机械性能好,适用于烤漆涂料。

Description

一种烤漆用水性铝银浆及其制备方法
技术领域
本发明涉及金属颜料领域,具体涉及一种烤漆用水性铝银浆及其制备方法。
背景技术
铝银浆主要由铝粉、溶剂、助剂构成,经过特殊加工工艺和表面处理的颜料,铝片表面光洁平整,与涂料体系匹配性优良,具有优异的光反射能力和金属光泽,漆膜具有 “随角异色效应”,装饰效果美观。
随着工业化的发展和环境的恶化,保护环境已经成为全人类共同面对的课题。传统溶剂型铝银浆含有大量VOC(挥发性有机物),在涂装过程中挥发到大气中,对大气环境造成污染。因此,水性铝银浆代替溶剂型产品已经成为新的趋势。然而铝粉在水性体系中容易发生化学反应,因此,铝粉的表面处理至关重要。
发明内容
本发明的目的是提供一种涂层粘附性能好、相容性高的烤漆用水性铝银浆。
本发明是通过以下技术方案实现的:
一种烤漆用水性铝银浆,其由下述重量份的原料制成:
微米级片状铝粉40-60,酒石酸0.1-0.2,单宁酸0.02-0.04,立德粉1-2,正硅酸乙酯10-12,二甲苯磺酸钠0.1-0.2,十二烷基苯磺酸钠0.1-0.2,石棉粉0.5-1,硅烷偶联剂A-151 0.2-0.4,异辛醇聚氧乙烯醚磷酸酯0.01-0.02,三乙醇胺硼酸酯0.01-0.02,聚二甲基二烯丙基氯化铵4-6,羧甲基纤维素6-8,助剂8-10;
助剂由下列重量份的原料制成:
明胶1-2,钠基蒙脱土1-2,司盘80 0.2-0.4,柠檬酸0.4-0.6,椰油酰基谷氨酸钠0.05-0.1,葡萄糖酸钠0.2-0.4,水20-40;
助剂的制备方法:
将明胶、柠檬酸和葡萄糖酸钠加入水中,60-80℃、800-1000r/min搅拌至完全溶解,加入司盘80、椰油酰基谷氨酸钠和钠基蒙脱土,40-60℃、1200-1500r/min搅拌15-30min,过滤后将滤饼真空干燥,研磨至1000-1500目,即得。
一种烤漆用水性铝银浆的制备方法,包括以下步骤:
(1)配制氨水、蒸馏水和乙醇的混合溶剂作为A组分,用乙醇稀释正硅酸乙酯作为B组分;将微米级片状铝粉加入适量无水乙醇中,加入硅烷偶联剂A-151,氮气保护下搅拌0.5-1h后,以1-2滴/s的滴加速度同时分别滴加A组分和B组分,边滴加边搅拌,滴加完毕后40-45℃反应6-8h,抽滤后用无水乙醇洗涤,真空干燥,所述的A组分中氨水、蒸馏水和乙醇的重量比=1:2:5,所述的氨水浓度为25%,所述的B组分中乙醇和正硅酸乙酯的重量比=1:2;
(2)在反应容器中加入适量0.5-1%碳酸钠溶液,加入聚二甲基二烯丙基氯化铵500-600r/min搅拌5-15min,再加入(1)中处理后的铝粉,同样转速下搅拌5-10min,过滤并将滤饼在适量0.5-1%碳酸钠溶液中超声波分散,加入羧甲基纤维素,500-600r/min搅拌5-10min,再加入石棉粉、立德粉和二甲苯磺酸钠同样转速下搅拌10-20min,过滤,得混合粉体;
(3)在容器中加入混合粉体以及其余原料,于室温条件下400-600r/min搅拌15-30min后真空干燥,即得。
本发明的优点是:
1. 通过配方和工艺的改进,使铝银浆具有良好的耐高温、阻燃性能和良好的耐候性,涂膜光亮丰满,适用于烤漆涂料;
2. 通过表面修饰,在铝粉表面双层包覆二氧化硅和羧甲基纤维素,使铝粉在水性涂料体系中具有高分散性,且涂层粘附性好,涂装效果好。
具体实施方式
本发明非限定实施例如下:
实施例1 
一种烤漆用水性铝银浆,由下列重量(kg)的组分原料制备而成:
微米级片状铝粉50,酒石酸0.15,单宁酸0.03,立德粉1.5,正硅酸乙酯11,二甲苯磺酸钠0.15,十二烷基苯磺酸钠0.15,石棉粉0.8,硅烷偶联剂A-151 0.3,异辛醇聚氧乙烯醚磷酸酯0.015,三乙醇胺硼酸酯0.015,聚二甲基二烯丙基氯化铵5,羧甲基纤维素7,助剂9;
其中,助剂由下列重量(kg)的原料制成:
明胶1.5,钠基蒙脱土1.5,司盘80 0.3,柠檬酸0.5,椰油酰基谷氨酸钠0.08,葡萄糖酸钠0.3,水30;
助剂的制备方法:
将明胶、柠檬酸和葡萄糖酸钠加入水中,80℃、800r/min搅拌至完全溶解,加入司盘80、椰油酰基谷氨酸钠和钠基蒙脱土,60℃、1500r/min搅拌15min,过滤后将滤饼真空干燥,研磨至1000目,即得。
烤漆用水性铝银浆的制备方法包括以下步骤:
(1)配制氨水、蒸馏水和乙醇的混合溶剂作为A组分,用乙醇稀释正硅酸乙酯作为B组分;将微米级片状铝粉加入适量无水乙醇中,加入硅烷偶联剂A-151,氮气保护下搅拌0.5h后,以1滴/s的滴加速度同时分别滴加A组分和B组分,边滴加边搅拌,滴加完毕后40℃反应8h,抽滤后用无水乙醇洗涤,真空干燥,所述的A组分中氨水、蒸馏水和乙醇的重量比=1:2:5,所述的氨水浓度为25%,所述的B组分中乙醇和正硅酸乙酯的重量比=1:2;
(2)在反应容器中加入适量1%碳酸钠溶液,加入聚二甲基二烯丙基氯化铵600r/min搅拌5min,再加入(1)中处理后的铝粉,同样转速下搅拌10min,过滤并将滤饼在适量1%碳酸钠溶液中超声波分散,加入羧甲基纤维素,600r/min搅拌5min,再加入石棉粉、立德粉和二甲苯磺酸钠同样转速下搅拌10min,过滤,得混合粉体;
(3)在容器中加入混合粉体以及其余原料,于室温条件下400r/min搅拌30min后真空干燥,即得。
经检验,本实施例的铝银浆具有高白亮度、高遮盖力,与水性涂料体系相容性好、涂层粘附性好,涂膜表面平整。

Claims (2)

1.一种烤漆用水性铝银浆,其特征在于其由下述重量份的原料制成:
微米级片状铝粉40-60,酒石酸0.1-0.2,单宁酸0.02-0.04,立德粉1-2,正硅酸乙酯10-12,二甲苯磺酸钠0.1-0.2,十二烷基苯磺酸钠0.1-0.2,石棉粉0.5-1,硅烷偶联剂A-151 0.2-0.4,异辛醇聚氧乙烯醚磷酸酯0.01-0.02,三乙醇胺硼酸酯0.01-0.02,聚二甲基二烯丙基氯化铵4-6,羧甲基纤维素6-8,助剂8-10;
所述助剂由下列重量份的原料制成:
明胶1-2,钠基蒙脱土1-2,司盘80 0.2-0.4,柠檬酸0.4-0.6,椰油酰基谷氨酸钠0.05-0.1,葡萄糖酸钠0.2-0.4,水20-40;
所述助剂的制备方法是:
将明胶、柠檬酸和葡萄糖酸钠加入水中,60-80℃、800-1000r/min搅拌至完全溶解,加入司盘80、椰油酰基谷氨酸钠和钠基蒙脱土,40-60℃、1200-1500r/min搅拌15-30min,过滤后将滤饼真空干燥,研磨至1000-1500目,即得。
2.根据权利要求1所述的烤漆用水性铝银浆的制备方法,其特征在于,包括以下步骤:
(1)配制氨水、蒸馏水和乙醇的混合溶剂作为A组分,用乙醇稀释正硅酸乙酯作为B组分;将微米级片状铝粉加入适量无水乙醇中,加入硅烷偶联剂A-151,氮气保护下搅拌0.5-1h后,以1-2滴/s的滴加速度同时分别滴加A组分和B组分,边滴加边搅拌,滴加完毕后40-45℃反应6-8h,抽滤后用无水乙醇洗涤,真空干燥,所述的A组分中氨水、蒸馏水和乙醇的重量比=1:2:5,所述的氨水浓度为25%,所述的B组分中乙醇和正硅酸乙酯的重量比=1:2;
(2)在反应容器中加入适量0.5-1%碳酸钠溶液,加入聚二甲基二烯丙基氯化铵500-600r/min搅拌5-15min,再加入(1)中处理后的铝粉,同样转速下搅拌5-10min,过滤并将滤饼在适量0.5-1%碳酸钠溶液中超声波分散,加入羧甲基纤维素,500-600r/min搅拌5-10min,再加入石棉粉、立德粉和二甲苯磺酸钠同样转速下搅拌10-20min,过滤,得混合粉体;
(3)在容器中加入混合粉体以及其余原料,于室温条件下400-600r/min搅拌15-30min后真空干燥,即得。
CN201410574956.2A 2014-10-25 2014-10-25 一种烤漆用水性铝银浆及其制备方法 Pending CN104292987A (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101235226A (zh) * 2008-02-25 2008-08-06 中南大学 一种二氧化硅包覆型水性铝银浆的制备方法
CN102093761A (zh) * 2010-11-08 2011-06-15 深圳职业技术学院 水性铝银浆的制备方法
CN103756373A (zh) * 2012-08-07 2014-04-30 江苏伊特复合新材料有限公司 操作方便的二氧化硅包覆型水性铝银浆的制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101235226A (zh) * 2008-02-25 2008-08-06 中南大学 一种二氧化硅包覆型水性铝银浆的制备方法
CN102093761A (zh) * 2010-11-08 2011-06-15 深圳职业技术学院 水性铝银浆的制备方法
CN103756373A (zh) * 2012-08-07 2014-04-30 江苏伊特复合新材料有限公司 操作方便的二氧化硅包覆型水性铝银浆的制备方法

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