CN108517162A - 一种通讯设备用耐候性涂料及其制备方法 - Google Patents
一种通讯设备用耐候性涂料及其制备方法 Download PDFInfo
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Abstract
本发明提供一种通讯设备用耐候性涂料及其制备方法,由以下成分制备而成:聚酯包覆碳纳米管、改性丙烯酸树脂、改性氨基树脂、滑石粉、膨润土、二氧化钛、氧化锌、异丙醇、分散剂、pH调节剂、抗氧剂和水。本发明制备的涂料具有良好的光泽度、良好的抗静电能力、较好的力学性能、耐老化性能及耐磨性能,并且还具有附着力强、延展性好、耐高温、使用寿命长的特点。
Description
技术领域
本发明属于涂料制备技术领域,具体涉及一种通讯设备用耐候性涂料及其制备方法。
背景技术
粉末涂料具有节能环保、无VOC排放、高装饰性好、使用安全等特点,近年来国内粉末涂料技术发展迅速。粉末涂料作为装饰性材料,随着人民生活水平的提高和生活进入信息时代,各种通讯设备已经融入到人们的生活之中,各种无线通讯设备手机,对讲机,数字电话层出不穷。而为这些无线通讯设备提供信号的是基站通讯设备,为这些基站通讯设备提供能保护其外壳的粉末涂料涂层,使外壳具有耐酸碱腐蚀的性能和耐候性能等性能,对通讯信号的持续和稳定具有重要的意义。
发明内容
本发明的目的是提供一种通讯设备用耐候性涂料及其制备方法,本发明制备的涂料具有良好的光泽度、良好的抗静电能力、较好的力学性能、耐老化性能及耐磨性能,并且还具有附着力强、延展性好、耐高温、使用寿命长的特点。
本发明提供了如下的技术方案:
一种通讯设备用耐候性涂料,包括以下重量份的原料:聚酯包覆碳纳米管15-24份、改性丙烯酸树脂18-26份、改性氨基树脂14-19份、滑石粉20-25份、膨润土14-18份、二氧化钛12-17份、氧化锌8-15份、异丙醇11-16份、分散剂12-16份、pH调节剂8-12份、抗氧剂13-17份和水18-28份。
优选的,所述涂料包括以下重量份的原料:聚酯包覆碳纳米管15-21份、改性丙烯酸树脂18-22份、改性氨基树脂16-19份、滑石粉23-25份、膨润土15-18份、二氧化钛14-17份、氧化锌8-12份、异丙醇13-16份、分散剂13-16份、pH调节剂8-11份、抗氧剂15-17份和水18-24份。
优选的,所述涂料包括以下重量份的原料:聚酯包覆碳纳米管21份、改性丙烯酸树脂18份、改性氨基树脂16份、滑石粉23份、膨润土15份、二氧化钛14份、氧化锌8份、异丙醇16份、分散剂16份、pH调节剂8份、抗氧剂17份和水18份。
一种通讯设备用耐候性涂料的制备方法,包括以下制备步骤:
a、将滑石粉、膨润土、二氧化钛和氧化锌混合球磨2-3h,再倒入水中,在超声下分散20-30min,再加入聚酯包覆碳纳米管,升温至60-80℃加热并搅拌40-50min,得到混合物一;
b、将改性丙烯酸树脂、改性氨基树脂和分散剂混合加入到双螺杆机中熔融混炼2-3h,挤出后,导入混合物一中,再加入异丙醇,倒入高混机中,在常温下以200-300r/min的转速下搅拌反应3-5h,再用pH调节剂调节pH值在6-8,得到混合物二;
c、向混合物二中加入抗氧剂,升温至80-90℃加热并搅拌反应20-30min,冷却后,得到混合物三;
d、将混合物三置于高压环境中,进行加热脱水处理至含水量在5-8%,再进行密封封装,即可得到成品。
优选的,所述步骤a的聚酯包覆碳纳米管的制备方法为:将碳纳米管浸入浓度为30-35wt%的氢氧化钠溶液中,在60-70℃下超声震荡反应1-2h,经过滤、洗涤、烘干,再兑入去离子水、季铵盐壳聚糖,搅拌20-30min,再过滤、烘干,加入聚酯树脂预聚体,在钛酸四丁酯的催化下酯化反应1-3h,即可得到聚酯包覆碳纳米管。
优选的,所述步骤b的改性丙烯酸树脂的制备方法为:将甲基丙烯酸缩水甘油酯、乙醇、十二烷基磺酸钠、丙烯酸丁酯和水混合,在60-75℃下,以300-450r/min的转速搅拌20-25min,再加入过硫酸钠、纳米二氧化钛,搅拌均匀,冷却至室温,干燥后,即可得到改性丙烯酸树脂。
优选的,所述步骤b的改性氨基树脂的制备方法为:将脲醛树脂、三聚氰胺混合导入反应釜中,在80-90℃下加热反应2-3h,再调节pH值为9-10,加入聚乙二醇,保温反应1-2h,经蒸馏、干燥、冷却,即可得到改性氨基树脂。
优选的,所述步骤b的分散剂为脂肪酸甘油酯、脂肪酸山梨坦和聚山梨酯的混合。
本发明的有益效果是:
本发明制备的涂料具有良好的光泽度、良好的抗静电能力、较好的力学性能、耐老化性能及耐磨性能,并且还具有附着力强、延展性好、耐高温、使用寿命长的特点。
本发明添加的改性丙烯酸树脂、改性氨基树脂,使得涂料具有良好的光泽度、良好的抗静电能力、较好的力学性 能、耐老化性能及耐磨性能;添加的滑石粉、膨润土、二氧化钛和氧化锌,可有效提升涂料抗氧化及耐候性能,使得使用寿命延长,并且改变以上成分的重量份,可以有效的改变制备的涂料的粘度、厚度和流动性,根据不用的通讯设备的需求来改变涂料的特性。
本发明中加入的聚酯包覆碳纳米管,以聚酯树脂和碳纳米管为基料,聚酯树脂可以提高涂料的贮存稳定性、熔融性、流动性和固化性,碳纳米管可以提高涂料的机械性能。
具体实施方式
实施例1
一种通讯设备用耐候性涂料,包括以下重量份的原料:聚酯包覆碳纳米管24份、改性丙烯酸树脂18份、改性氨基树脂14份、滑石粉25份、膨润土14份、二氧化钛17份、氧化锌15份、异丙醇11份、分散剂12份、pH调节剂12份、抗氧剂13份和水28份。
一种通讯设备用耐候性涂料的制备方法,包括以下制备步骤:
a、将滑石粉、膨润土、二氧化钛和氧化锌混合球磨3h,再倒入水中,在超声下分散30min,再加入聚酯包覆碳纳米管,升温至60℃加热并搅拌50min,得到混合物一;
b、将改性丙烯酸树脂、改性氨基树脂和分散剂混合加入到双螺杆机中熔融混炼3h,挤出后,导入混合物一中,再加入异丙醇,倒入高混机中,在常温下以200r/min的转速下搅拌反应3h,再用pH调节剂调节pH值在8,得到混合物二;
c、向混合物二中加入抗氧剂,升温至90℃加热并搅拌反应20min,冷却后,得到混合物三;
d、将混合物三置于高压环境中,进行加热脱水处理至含水量在5%,再进行密封封装,即可得到成品。
步骤a的聚酯包覆碳纳米管的制备方法为:将碳纳米管浸入浓度为35wt%的氢氧化钠溶液中,在60℃下超声震荡反应2h,经过滤、洗涤、烘干,再兑入去离子水、季铵盐壳聚糖,搅拌30min,再过滤、烘干,加入聚酯树脂预聚体,在钛酸四丁酯的催化下酯化反应1h,即可得到聚酯包覆碳纳米管。
步骤b的改性丙烯酸树脂的制备方法为:将甲基丙烯酸缩水甘油酯、乙醇、十二烷基磺酸钠、丙烯酸丁酯和水混合,在75℃下,以300r/min的转速搅拌25min,再加入过硫酸钠、纳米二氧化钛,搅拌均匀,冷却至室温,干燥后,即可得到改性丙烯酸树脂。
步骤b的改性氨基树脂的制备方法为:将脲醛树脂、三聚氰胺混合导入反应釜中,在80℃下加热反应3h,再调节pH值为10,加入聚乙二醇,保温反应1h,经蒸馏、干燥、冷却,即可得到改性氨基树脂。
步骤b的分散剂为脂肪酸甘油酯、脂肪酸山梨坦和聚山梨酯的混合。
实施例2
一种通讯设备用耐候性涂料,包括以下重量份的原料:聚酯包覆碳纳米管15份、改性丙烯酸树脂18份、改性氨基树脂16份、滑石粉23份、膨润土15份、二氧化钛14份、氧化锌8份、异丙醇13份、分散剂16份、pH调节剂8份、抗氧剂15份和水24份。
一种通讯设备用耐候性涂料的制备方法,包括以下制备步骤:
a、将滑石粉、膨润土、二氧化钛和氧化锌混合球磨2h,再倒入水中,在超声下分散20min,再加入聚酯包覆碳纳米管,升温至60℃加热并搅拌40min,得到混合物一;
b、将改性丙烯酸树脂、改性氨基树脂和分散剂混合加入到双螺杆机中熔融混炼2h,挤出后,导入混合物一中,再加入异丙醇,倒入高混机中,在常温下以200r/min的转速下搅拌反应3h,再用pH调节剂调节pH值在6,得到混合物二;
c、向混合物二中加入抗氧剂,升温至80℃加热并搅拌反应20-30min,冷却后,得到混合物三;
d、将混合物三置于高压环境中,进行加热脱水处理至含水量在5%,再进行密封封装,即可得到成品。
步骤a的聚酯包覆碳纳米管的制备方法为:将碳纳米管浸入浓度为35wt%的氢氧化钠溶液中,在60℃下超声震荡反应1h,经过滤、洗涤、烘干,再兑入去离子水、季铵盐壳聚糖,搅拌20min,再过滤、烘干,加入聚酯树脂预聚体,在钛酸四丁酯的催化下酯化反应1h,即可得到聚酯包覆碳纳米管。
步骤b的改性丙烯酸树脂的制备方法为:将甲基丙烯酸缩水甘油酯、乙醇、十二烷基磺酸钠、丙烯酸丁酯和水混合,在60℃下,以300r/min的转速搅拌20min,再加入过硫酸钠、纳米二氧化钛,搅拌均匀,冷却至室温,干燥后,即可得到改性丙烯酸树脂。
步骤b的改性氨基树脂的制备方法为:将脲醛树脂、三聚氰胺混合导入反应釜中,在80℃下加热反应2h,再调节pH值为9,加入聚乙二醇,保温反应1h,经蒸馏、干燥、冷却,即可得到改性氨基树脂。
步骤b的分散剂为脂肪酸甘油酯、脂肪酸山梨坦和聚山梨酯的混合。
实施例3
一种通讯设备用耐候性涂料,包括以下重量份的原料:聚酯包覆碳纳米管21份、改性丙烯酸树脂18份、改性氨基树脂16份、滑石粉23份、膨润土15份、二氧化钛14份、氧化锌8份、异丙醇16份、分散剂16份、pH调节剂8份、抗氧剂17份和水18份。
一种通讯设备用耐候性涂料的制备方法,包括以下制备步骤:
a、将滑石粉、膨润土、二氧化钛和氧化锌混合球磨3h,再倒入水中,在超声下分散30min,再加入聚酯包覆碳纳米管,升温至80℃加热并搅拌50min,得到混合物一;
b、将改性丙烯酸树脂、改性氨基树脂和分散剂混合加入到双螺杆机中熔融混炼3h,挤出后,导入混合物一中,再加入异丙醇,倒入高混机中,在常温下以200r/min的转速下搅拌反应5h,再用pH调节剂调节pH值在8,得到混合物二;
c、向混合物二中加入抗氧剂,升温至90℃加热并搅拌反应30min,冷却后,得到混合物三;
d、将混合物三置于高压环境中,进行加热脱水处理至含水量在8%,再进行密封封装,即可得到成品。
步骤a的聚酯包覆碳纳米管的制备方法为:将碳纳米管浸入浓度为35wt%的氢氧化钠溶液中,在70℃下超声震荡反应2h,经过滤、洗涤、烘干,再兑入去离子水、季铵盐壳聚糖,搅拌30min,再过滤、烘干,加入聚酯树脂预聚体,在钛酸四丁酯的催化下酯化反应3h,即可得到聚酯包覆碳纳米管。
步骤b的改性丙烯酸树脂的制备方法为:将甲基丙烯酸缩水甘油酯、乙醇、十二烷基磺酸钠、丙烯酸丁酯和水混合,在75℃下,以350r/min的转速搅拌25min,再加入过硫酸钠、纳米二氧化钛,搅拌均匀,冷却至室温,干燥后,即可得到改性丙烯酸树脂。
步骤b的改性氨基树脂的制备方法为:将脲醛树脂、三聚氰胺混合导入反应釜中,在90℃下加热反应3h,再调节pH值为10,加入聚乙二醇,保温反应2h,经蒸馏、干燥、冷却,即可得到改性氨基树脂。
步骤b的分散剂为脂肪酸甘油酯、脂肪酸山梨坦和聚山梨酯的混合。
检测以上实施例制备的成品,得到以下检测数据:
表一:
项目 | 实施例1 | 实施例2 | 实施例3 |
涂膜外观 | 光滑平整、无色差 | 光滑平整、无色差 | 光滑平整、无色差 |
附着力(级) | 1 | 1 | 1 |
硬度(H) | ≧4 | ≧4 | ≧4 |
耐盐雾性(h) | >600 | >600 | >600 |
耐老化性(h) | >400 | >400 | >400 |
耐冲击性(kg·cm) | 79 | 76 | 78 |
以上所述仅为本发明的优选实施例而已,并不用于限制本发明,尽管参照前述实施例对本发明进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (8)
1.一种通讯设备用耐候性涂料,其特征在于,包括以下重量份的原料:聚酯包覆碳纳米管15-24份、改性丙烯酸树脂18-26份、改性氨基树脂14-19份、滑石粉20-25份、膨润土14-18份、二氧化钛12-17份、氧化锌8-15份、异丙醇11-16份、分散剂12-16份、pH调节剂8-12份、抗氧剂13-17份和水18-28份。
2.根据权利要求1所述的一种通讯设备用耐候性涂料,其特征在于,所述涂料包括以下重量份的原料:聚酯包覆碳纳米管15-21份、改性丙烯酸树脂18-22份、改性氨基树脂16-19份、滑石粉23-25份、膨润土15-18份、二氧化钛14-17份、氧化锌8-12份、异丙醇13-16份、分散剂13-16份、pH调节剂8-11份、抗氧剂15-17份和水18-24份。
3.根据权利要求1所述的一种通讯设备用耐候性涂料,其特征在于,所述涂料包括以下重量份的原料:聚酯包覆碳纳米管21份、改性丙烯酸树脂18份、改性氨基树脂16份、滑石粉23份、膨润土15份、二氧化钛14份、氧化锌8份、异丙醇16份、分散剂16份、pH调节剂8份、抗氧剂17份和水18份。
4.权利要求1-3任一项所述的一种通讯设备用耐候性涂料的制备方法,其特征在于,包括以下制备步骤:
a、将滑石粉、膨润土、二氧化钛和氧化锌混合球磨2-3h,再倒入水中,在超声下分散20-30min,再加入聚酯包覆碳纳米管,升温至60-80℃加热并搅拌40-50min,得到混合物一;
b、将改性丙烯酸树脂、改性氨基树脂和分散剂混合加入到双螺杆机中熔融混炼2-3h,挤出后,导入混合物一中,再加入异丙醇,倒入高混机中,在常温下以200-300r/min的转速下搅拌反应3-5h,再用pH调节剂调节pH值在6-8,得到混合物二;
c、向混合物二中加入抗氧剂,升温至80-90℃加热并搅拌反应20-30min,冷却后,得到混合物三;
d、将混合物三置于高压环境中,进行加热脱水处理至含水量在5-8%,再进行密封封装,即可得到成品。
5.根据权利要求4所述的一种通讯设备用耐候性涂料的制备方法,其特征在于,所述步骤a的聚酯包覆碳纳米管的制备方法为:将碳纳米管浸入浓度为30-35wt%的氢氧化钠溶液中,在60-70℃下超声震荡反应1-2h,经过滤、洗涤、烘干,再兑入去离子水、季铵盐壳聚糖,搅拌20-30min,再过滤、烘干,加入聚酯树脂预聚体,在钛酸四丁酯的催化下酯化反应1-3h,即可得到聚酯包覆碳纳米管。
6.根据权利要求4所述的一种通讯设备用耐候性涂料的制备方法,其特征在于,所述步骤b的改性丙烯酸树脂的制备方法为:将甲基丙烯酸缩水甘油酯、乙醇、十二烷基磺酸钠、丙烯酸丁酯和水混合,在60-75℃下,以300-450r/min的转速搅拌20-25min,再加入过硫酸钠、纳米二氧化钛,搅拌均匀,冷却至室温,干燥后,即可得到改性丙烯酸树脂。
7.根据权利要求4所述的一种通讯设备用耐候性涂料的制备方法,其特征在于,所述步骤b的改性氨基树脂的制备方法为:将脲醛树脂、三聚氰胺混合导入反应釜中,在80-90℃下加热反应2-3h,再调节pH值为9-10,加入聚乙二醇,保温反应1-2h,经蒸馏、干燥、冷却,即可得到改性氨基树脂。
8.根据权利要求4所述的一种通讯设备用耐候性涂料的制备方法,其特征在于,所述步骤b的分散剂为脂肪酸甘油酯、脂肪酸山梨坦和聚山梨酯的混合。
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