CN107011785A - 一种硬质抗磨聚酯镜面涂料及其制备方法 - Google Patents
一种硬质抗磨聚酯镜面涂料及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种硬质抗磨聚酯镜面涂料,它是由重量比为3‑4:1的聚酯组份和固化剂组份组成的,本发明在聚合的过程中,将羧基化硬质分散液与复合胺化单体溶液混合反应,得到了交联度很好的酰胺化聚合物填料,使得硬质填料、硅微粉有效的结合,起到了协同增强的效果。
Description
技术领域
本发明属于涂料领域,具体涉及一种硬质抗磨聚酯镜面涂料及其制备方法。
背景技术
随着电子工业的发展,特别是智能手机、大屏幕电视、智能平板电脑等推广和应用,这些产品如今已经进入全世界的千家万户和众多公司。但随着各种触摸屏技术的推广之后,由于高频率的使用这些产品,产品的显示器表面很容易变脏、刮伤以及被一些化学溶剂腐蚀,因此提高这些产品的防水、防污、防化学试剂、提高耐磨性等是十分必要的,目前在电子产品显示屏保护方面,很多人采用贴膜的方法,但这种方法效果一般,而且也很受局限性,特别是大屏幕电脑电视、室外的ATM 机、建筑玻璃幕墙,大尺寸的智能手机、汽车玻璃等方面,是无法得到应用的。针对此类情况,开发一种各方面综合性能优异的玻璃、电子产品显示器保护涂料就十分必要了;
聚氨酯涂料的应用领域主要有:车辆涂装、船舶、木材、建筑物涂装、防腐涂装、飞机、塑料、橡胶、皮革的表面涂装等等。水性聚氨酯涂料是以水为主要介质,具有低VOC含量、低或无环境污染、施工方便等特点,是溶剂型涂料的主要替代品之一,已在许多领域得到广泛的应用,如:木器漆及木地板漆;纸张涂层;建筑涂料;皮革涂层;织物涂层等等;
本发明的目的就是改善传统镜面涂料的综合性能,研究一种新的聚氨酯涂料,使其具有很好的表面硬度,提高抗摩擦性能。
发明内容
本发明的目的就是改善传统镜面涂料的综合性能,研究一种新的聚氨酯涂料,使其具有很好的表面硬度,提高抗摩擦性能,提供一种硬质抗磨聚酯镜面涂料及其制备方法。
为实现上述目的,本发明采用以下技术方案:
一种硬质抗磨聚酯镜面涂料,其特征在于,它是由重量比为3-4:1的聚酯组份和固化剂组份组成的。
所述的聚酯组份是由下述重量份的原料组成的:
聚碳酸酯二醇100-110、异佛尔酮二异氰酸酯85-90、硬质分散液10-15、三羟甲基丙烷2-3、聚四氢呋喃醚二醇6-8、2,2-二羟甲基丙酸2-5、聚苯并咪唑0.3-1、氨基磺酸镍1-2、硅微粉6-8、过氧化二异丙苯2-5、甲酰胺1-2、乙酰化羊毛脂2-3。
所述的硬质分散液是由下述重量份的原料组成的:
硅酸镁铝10-15、碳酸锆钾6-8、聚山梨酯80 0.3-1、三氯氧磷4-5、硅烷偶联剂kh5500.7-1、二硫代水杨酸4-7、硬脂酸钙1-2;
制备方法包括以下步骤:
(1)取上述三氯氧磷,加入到其重量10-14倍的去离子水中,搅拌均匀,加入碳酸锆钾,升高温度为60-70℃,保温搅拌20-30分钟,过滤,将沉淀水洗,真空50-60℃下干燥1-2小时,得硬质填料;
(2)取上述硅酸镁铝、硬质填料混合,加入到混合料重量20-37倍的无水乙醇中,搅拌均匀,加入硅烷偶联剂kh550,升高温度为70-75℃,超声20-30分钟,得氨基醇分散液;
(3)取上述二硫代水杨酸,加入到其重量10-15倍的去离子水中,搅拌均匀,加入硬脂酸钙,搅拌均匀,与上述氨基醇分散液混合,送入到反应釜中,通入氮气,在50-60℃下保温搅拌30-40分钟,出料,与上述聚山梨酯80混合,搅拌均匀,即得。
所述的聚酯组份的制备方法包括以下步骤:
(1)取上述聚苯并咪唑,加入到其重量4-6倍的乙酸乙酯中,送入到130-140℃的油浴中,保温搅拌20-30分钟,出料,与氨基磺酸镍混合,搅拌至常温,得氨基溶液;
(2)取2,2-二羟甲基丙酸,加入到其重量15-20倍的去离子水中,搅拌均匀,加入硬质分散液,升高温度为70-80℃,保温搅拌1-2小时,得羧基化硬质分散液;
(3)取聚四氢呋喃醚二醇,在70-80℃的水浴中保温30-40分钟,加入三羟甲基丙烷、乙酰化羊毛脂,继续保温搅拌1-2小时,出料,与上述氨基溶液混合,搅拌至常温,得烷基氨化溶液;
(4)取硅微粉,加入到其重量50-60倍的去离子水中,加入甲酰胺,超声1-2分钟,得硅微粉酰胺分散液;
(5)取上述硅微粉酰胺分散液,与聚碳酸酯二醇、烷基氨化溶液混合,搅拌均匀,得复合胺化单体溶液;
(6)取上述复合胺化单体溶液,与异佛尔酮二异氰酸酯混合,升高温度为100-110℃,预热1-2小时,送入到反应釜中,通入氮气,调节反应釜温度为60-65℃,加入过氧化二异丙苯、羧基化硬质分散液,保温搅拌4-5小时,出料冷却,过滤,将沉淀水洗,常温干燥,即得。
所述的固化剂组份为二甲硫基甲苯二胺。
本发明的优点:
本发明加入的硬质分散液中,通过碳酸锆钾与三氯氧磷混合水解,得到沉淀为填料,具有很好的硬度,与硅酸镁铝混合,通过硅烷偶联剂表面处理,使得填料表面有机化,改善了其在聚合物间的分散性;
本发明采用二硫代水杨酸水解处理硬脂酸钙,然后与氨基化的硬质填料混合,通过羧基与氨基的交联反应,得到了酰胺化改性的填料,提高了该填料与各原料间的相容性,提高了成品涂料的贮存稳定性和表面硬度;
本发明将聚苯并咪唑采用氨基磺酸镍处理,得到了氨基溶液,然后与三羟甲基丙烷、乙酰化羊毛脂混合,分散到醇溶液中,乙酰化羊毛脂可以有效的改善涂料的粘结强度,提高涂膜的抗剥离强度;
本发明将硅微粉通过甲酰胺溶液分散,然后与烷基氨化溶液混合改性聚碳酸酯二醇单体,不仅有效的提高了硅微粉在聚合物间的分散性,还提高了聚合物的表面强度和硬度;
本发明以异佛尔酮二异氰酸酯为单体,在含有聚碳酸酯二醇单体、硅微粉等原料的复合胺化单体溶液中聚合,得到能够使得各无机填料充分分散的聚合物,,增强了成品的稳定性强度;
本发明在聚合的过程中,将羧基化硬质分散液与复合胺化单体溶液混合反应,得到了交联度很好的酰胺化聚合物填料,使得硬质填料、硅微粉有效的结合,起到了协同增强的效果。
具体实施方式
实施例1
一种硬质抗磨聚酯镜面涂料,它是由重量比为4:1的聚酯组份和固化剂组份组成的。
所述的聚酯组份是由下述重量份的原料组成的:
聚碳酸酯二110、异佛尔酮二异氰酸酯90、硬质分散液15、三羟甲基丙烷3、聚四氢呋喃醚二醇8、2,2-二羟甲基丙酸5、聚苯并咪唑1、氨基磺酸镍2、硅微粉8、过氧化二异丙苯5、甲酰胺2、乙酰化羊毛脂3。
所述的硬质分散液是由下述重量份的原料组成的:
硅酸镁铝15、碳酸锆钾8、聚山梨酯80 1、三氯氧磷5、硅烷偶联剂kh550 1、二硫代水杨酸7、硬脂酸钙2;
制备方法包括以下步骤:
(1)取上述三氯氧磷,加入到其重量14倍的去离子水中,搅拌均匀,加入碳酸锆钾,升高温度为70℃,保温搅拌30分钟,过滤,将沉淀水洗,真空60℃下干燥2小时,得硬质填料;
(2)取上述硅酸镁铝、硬质填料混合,加入到混合料重量37倍的无水乙醇中,搅拌均匀,加入硅烷偶联剂kh550,升高温度为75℃,超30分钟,得氨基醇分散液;
(3)取上述二硫代水杨酸,加入到其重量15倍的去离子水中,搅拌均匀,加入硬脂酸钙,搅拌均匀,与上述氨基醇分散液混合,送入到反应釜中,通入氮气,在60℃下保温搅拌40分钟,出料,与上述聚山梨酯80混合,搅拌均匀,即得。
所述的聚酯组份的制备方法包括以下步骤:
(1)取上述聚苯并咪唑,加入到其重量6倍的乙酸乙酯中,送入到140℃的油浴中,保温搅拌20-30分钟,出料,与氨基磺酸镍混合,搅拌至常温,得氨基溶液;
(2)取2,2-二羟甲基丙酸,加入到其重量15倍的去离子水中,搅拌均匀,加入硬质分散液,升高温度为80℃,保温搅拌1小时,得羧基化硬质分散液;
(3)取聚四氢呋喃醚二醇,在80℃的水浴中保温40分钟,加入三羟甲基丙烷、乙酰化羊毛脂,继续保温搅拌1小时,出料,与上述氨基溶液混合,搅拌至常温,得烷基氨化溶液;
(4)取硅微粉,加入到其重量60倍的去离子水中,加入甲酰胺,超声1-2分钟,得硅微粉酰胺分散液;
(5)取上述硅微粉酰胺分散液,与聚碳酸酯二醇、烷基氨化溶液混合,搅拌均匀,得复合胺化单体溶液;
(6)取上述复合胺化单体溶液,与异佛尔酮二异氰酸酯混合,升高温度为110℃,预热2小时,送入到反应釜中,通入氮气,调节反应釜温度为65℃,加入过氧化二异丙苯、羧基化硬质分散液,保温搅拌5小时,出料冷却,过滤,将沉淀水洗,常温干燥,即得。
所述的固化剂组份为二甲硫基甲苯二胺。
实施例2
一种硬质抗磨聚酯镜面涂料,它是由重量比为3-4:1的聚酯组份和固化剂组份组成的。
所述的聚酯组份是由下述重量份的原料组成的:
聚碳酸酯二醇100、异佛尔酮二异氰酸酯85、硬质分散液10、三羟甲基丙烷2-3、聚四氢呋喃醚二醇6、2,2-二羟甲基丙酸2、聚苯并咪唑0.3、氨基磺酸镍1、硅微粉6、过氧化二异丙苯2、甲酰胺1、乙酰化羊毛脂2。
所述的硬质分散液是由下述重量份的原料组成的:
硅酸镁铝10、碳酸锆钾6、聚山梨酯80 0.3、三氯氧磷4、硅烷偶联剂kh550 0.7、二硫代水杨酸4、硬脂酸钙1;
制备方法包括以下步骤:
(1)取上述三氯氧磷,加入到其重量10倍的去离子水中,搅拌均匀,加入碳酸锆钾,升高温度为60℃,保温搅拌20分钟,过滤,将沉淀水洗,真空50℃下干燥1小时,得硬质填料;
(2)取上述硅酸镁铝、硬质填料混合,加入到混合料重量20倍的无水乙醇中,搅拌均匀,加入硅烷偶联剂kh550,升高温度为75℃,超声20分钟,得氨基醇分散液;
(3)取上述二硫代水杨酸,加入到其重量10倍的去离子水中,搅拌均匀,加入硬脂酸钙,搅拌均匀,与上述氨基醇分散液混合,送入到反应釜中,通入氮气,在50℃下保温搅拌30分钟,出料,与上述聚山梨酯80混合,搅拌均匀,即得。
所述的聚酯组份的制备方法包括以下步骤:
(1)取上述聚苯并咪唑,加入到其重量4倍的乙酸乙酯中,送入到130℃的油浴中,保温搅拌20分钟,出料,与氨基磺酸镍混合,搅拌至常温,得氨基溶液;
(2)取2,2-二羟甲基丙酸,加入到其重量15倍的去离子水中,搅拌均匀,加入硬质分散液,升高温度为70℃,保温搅拌1小时,得羧基化硬质分散液;
(3)取聚四氢呋喃醚二醇,在70℃的水浴中保温30分钟,加入三羟甲基丙烷、乙酰化羊毛脂,继续保温搅拌1小时,出料,与上述氨基溶液混合,搅拌至常温,得烷基氨化溶液;
(4)取硅微粉,加入到其重量50倍的去离子水中,加入甲酰胺,超声1分钟,得硅微粉酰胺分散液;
(5)取上述硅微粉酰胺分散液,与聚碳酸酯二醇、烷基氨化溶液混合,搅拌均匀,得复合胺化单体溶液;
(6)取上述复合胺化单体溶液,与异佛尔酮二异氰酸酯混合,升高温度为100℃,预热1-2小时,送入到反应釜中,通入氮气,调节反应釜温度为60℃,加入过氧化二异丙苯、羧基化硬质分散液,保温搅拌4-5小时,出料冷却,过滤,将沉淀水洗,常温干燥,即得。
所述的固化剂组份为二甲硫基甲苯二胺。
性能测试:
本发明的硬质抗磨聚酯镜面涂料涂膜外观:平整光滑,无缩孔,无针孔;
正反冲测试:通过;
附着力和耐中性盐雾腐蚀等级为1级;
动摩擦系数:0.06-0.07;
铅笔硬度:4H;
传统镜面涂料:
动摩擦系数:0.09-0.10;
附着力和耐中性盐雾腐蚀等级为2级;
铅笔硬度:3H;
可以看出,本发明的涂料具有更高附着力强,抗剥离强度高,表面硬度高,耐磨性好,对镜面基材的保护性强。
Claims (5)
1.一种硬质抗磨聚酯镜面涂料,其特征在于,它是由重量比为3-4:1的聚酯组份和固化剂组份组成的。
2.根据权利要求1所述的硬质抗磨聚酯镜面涂料,其特征在于,所述的聚酯组份是由下述重量份的原料组成的:
聚碳酸酯二醇100-110、异佛尔酮二异氰酸酯85-90、硬质分散液10-15、三羟甲基丙烷2-3、聚四氢呋喃醚二醇6-8、2,2-二羟甲基丙酸2-5、聚苯并咪唑0.3-1、氨基磺酸镍1-2、硅微粉6-8、过氧化二异丙苯2-5、甲酰胺1-2、乙酰化羊毛脂2-3。
3.根据权利要求2所述的硬质抗磨聚酯镜面涂料,其特征在于,所述的硬质分散液是由下述重量份的原料组成的:
硅酸镁铝10-15、碳酸锆钾6-8、聚山梨酯80 0.3-1、三氯氧磷4-5、硅烷偶联剂kh5500.7-1、二硫代水杨酸4-7、硬脂酸钙1-2;
制备方法包括以下步骤:
(1)取上述三氯氧磷,加入到其重量10-14倍的去离子水中,搅拌均匀,加入碳酸锆钾,升高温度为60-70℃,保温搅拌20-30分钟,过滤,将沉淀水洗,真空50-60℃下干燥1-2小时,得硬质填料;
(2)取上述硅酸镁铝、硬质填料混合,加入到混合料重量20-37倍的无水乙醇中,搅拌均匀,加入硅烷偶联剂kh550,升高温度为70-75℃,超声20-30分钟,得氨基醇分散液;
(3)取上述二硫代水杨酸,加入到其重量10-15倍的去离子水中,搅拌均匀,加入硬脂酸钙,搅拌均匀,与上述氨基醇分散液混合,送入到反应釜中,通入氮气,在50-60℃下保温搅拌30-40分钟,出料,与上述聚山梨酯80混合,搅拌均匀,即得。
4.根据权利要求2所述的硬质抗磨聚酯镜面涂料,其特征在于,所述的聚酯组份的制备方法包括以下步骤:
(1)取上述聚苯并咪唑,加入到其重量4-6倍的乙酸乙酯中,送入到130-140℃的油浴中,保温搅拌20-30分钟,出料,与氨基磺酸镍混合,搅拌至常温,得氨基溶液;
(2)取2,2-二羟甲基丙酸,加入到其重量15-20倍的去离子水中,搅拌均匀,加入硬质分散液,升高温度为70-80℃,保温搅拌1-2小时,得羧基化硬质分散液;
(3)取聚四氢呋喃醚二醇,在70-80℃的水浴中保温30-40分钟,加入三羟甲基丙烷、乙酰化羊毛脂,继续保温搅拌1-2小时,出料,与上述氨基溶液混合,搅拌至常温,得烷基氨化溶液;
(4)取硅微粉,加入到其重量50-60倍的去离子水中,加入甲酰胺,超声1-2分钟,得硅微粉酰胺分散液;
(5)取上述硅微粉酰胺分散液,与聚碳酸酯二醇、烷基氨化溶液混合,搅拌均匀,得复合胺化单体溶液;
(6)取上述复合胺化单体溶液,与异佛尔酮二异氰酸酯混合,升高温度为100-110℃,预热1-2小时,送入到反应釜中,通入氮气,调节反应釜温度为60-65℃,加入过氧化二异丙苯、羧基化硬质分散液,保温搅拌4-5小时,出料冷却,过滤,将沉淀水洗,常温干燥,即得。
5.根据权利要求1所述的一种硬质抗磨聚酯镜面涂料,其特征在于,所述的固化剂组份为二甲硫基甲苯二胺。
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