CN106479317A - 一种消光粉末涂料及其制备方法 - Google Patents
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Abstract
本发明公开了一种消光粉末涂料及其制备方法，按重量份数计，所述粉末涂料的原料组成为：环氧树脂35~45份、聚酯树脂15~25份、丙烯酸消光固化剂10~20份、流平剂0.5~1.5份、表面助剂1.5~2.5份、色料15~25份、二氧化硅2~5份、滑石粉2~5份、埃洛石粉3~4份、碳纳米管0.5~1份和活化的硅灰石粉3~5份。本发明通过对涂料配方进行改进，制得的粉末涂料消光性好，并具有良好的耐腐蚀性、储存稳定性、热稳定性和抗冲击等力学性能。
Description
技术领域
本发明属于粉末涂料的制备领域，具体涉及一种消光粉末涂料及其制备方法。
背景技术
随着人们生活水平的提高，各种类型的粉末涂料屡见不鲜，如闪光型粉末涂料、各种色彩艳丽的粉末涂料等，这些高光泽的涂料反光比较严重，容易对人体的眼睛产生危害，而且消费者的审美也逐渐偏向于休闲时尚化，因此具有柔和外观的消光粉末涂料的需求急剧增加。
发明内容
本发明的目的在于针对现有技术不足，提供一种消光粉末涂料及其制备方法。本发明通过对涂料配方进行改进，制得的粉末涂料消光性好，并具有良好的耐腐蚀性、储存稳定性、热稳定性和抗冲击等力学性能。
为实现上述目的，本发明采用如下技术方案：
一种消光粉末涂料，按重量份数计，其原料组成为：环氧树脂35~45份、聚酯树脂15~25份、丙烯酸消光固化剂10~20份、流平剂0.5~1.5份、表面助剂1.5~2.5份、色料15~25份、二氧化硅2~5份、滑石粉2~5份、埃洛石粉3~4份、碳纳米管0.5~1份和活化的硅灰石粉3~5份。
所述的活化的硅灰石粉的制备方法为：将硅灰石于850℃下煅烧4.5h，空冷至室温，随后采用气流粉碎机对其进行气流粉碎，气流粉碎压力为0.45Mpa；将粉碎得到的硅灰石粉用1.5wt%的硫酸进行浸泡处理20min；将得到的酸化的硅灰石粉烘干后，利用干法处理，用偶联剂对其表面进行改性处理，得到活化的硅灰石粉。
所述活化的硅灰石粉的长径比为18~24。
按配比将所有原料混合均匀，进入双螺杆挤出机，螺杆转速950r/min，温度120℃，挤出并压片，粉碎、过筛即得消光粉末涂料。
本发明的有益效果在于：
本发明通过对涂料配方进行改进，制得的粉末涂料消光性好，并具有良好的耐腐蚀性、储存稳定性、热稳定性和抗冲击等力学性能。
具体实施方式
以下结合具体实施例对本发明做进一步说明，但本发明不仅仅限于这些实施例。
实施例1
一种消光粉末涂料，按重量份数计，其原料组成为：环氧树脂35份、聚酯树脂15份、丙烯酸消光固化剂10份、流平剂0.5份、表面助剂1.5份、色料15份、二氧化硅2份、滑石粉2份、埃洛石粉3份、碳纳米管0.5份和活化的硅灰石粉3份。
按配比将所有原料混合均匀，进入双螺杆挤出机，螺杆转速950r/min，温度120℃，挤出并压片，粉碎、过筛即得消光粉末涂料。
实施例2
一种消光粉末涂料，按重量份数计，其原料组成为：环氧树脂45份、聚酯树脂25份、丙烯酸消光固化剂20份、流平剂1.5份、表面助剂2.5份、色料25份、二氧化硅5份、滑石粉5份、埃洛石粉4份、碳纳米管1份和活化的硅灰石粉5份。
按配比将所有原料混合均匀，进入双螺杆挤出机，螺杆转速950r/min，温度120℃，挤出并压片，粉碎、过筛即得消光粉末涂料。
实施例3
一种消光粉末涂料，按重量份数计，其原料组成为：环氧树脂40份、聚酯树脂20份、丙烯酸消光固化剂15份、流平剂1份、表面助剂2份、色料20份、二氧化硅3份、滑石粉3份、埃洛石粉3.5份、碳纳米管0.8份和活化的硅灰石粉4份。
按配比将所有原料混合均匀，进入双螺杆挤出机，螺杆转速950r/min，温度120℃，挤出并压片，粉碎、过筛即得消光粉末涂料。
实施例1~3所述的活化的硅灰石粉的制备方法为：将硅灰石于850℃下煅烧4.5h，空冷至室温，随后采用气流粉碎机对其进行气流粉碎，气流粉碎压力为0.45Mpa；将粉碎得到的硅灰石粉用1.5wt%的硫酸进行浸泡处理20min；将得到的酸化的硅灰石粉烘干后，利用干法处理，用偶联剂对其表面进行改性处理，得到活化的硅灰石粉。
以上所述仅为本发明的较佳实施例，凡依本发明申请专利范围所做的均等变化与修饰，皆应属本发明的涵盖范围。
Claims (4)
1.一种消光粉末涂料，其特征在于：按重量份数计，所述粉末涂料的原料组成为：环氧树脂35~45份、聚酯树脂15~25份、丙烯酸消光固化剂10~20份、流平剂0.5~1.5份、表面助剂1.5~2.5份、色料15~25份、二氧化硅2~5份、滑石粉2~5份、埃洛石粉3~4份、碳纳米管0.5~1份和活化的硅灰石粉3~5份。
2.根据权利要求1所述的消光粉末涂料，其特征在于：所述的活化的硅灰石粉的制备方法为：将硅灰石于850℃下煅烧4.5h，空冷至室温，随后采用气流粉碎机对其进行气流粉碎，气流粉碎压力为0.45Mpa；将粉碎得到的硅灰石粉用1.5wt%的硫酸进行浸泡处理20min；将得到的酸化的硅灰石粉烘干后，利用干法处理，用偶联剂对其表面进行改性处理，得到活化的硅灰石粉。
3.根据权利要求1或2所述的消光粉末涂料，其特征在于：所述活化的硅灰石粉的长径比为18~24。
4.一种制备如权利要求1所述的消光粉末涂料的方法，其特征在于：按配比将所有原料混合均匀，进入双螺杆挤出机，螺杆转速950r/min，温度120℃，挤出并压片，粉碎、过筛即得消光粉末涂料。
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Cited By (4)
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| CN111875988A (zh) * | 2020-08-04 | 2020-11-03 | 江西广源化工有限责任公司 | 一种改性针状硅灰石粉及其制备方法和应用、管道防腐环氧粉末涂料 |
| CN112266710A (zh) * | 2020-09-10 | 2021-01-26 | 廊坊艾格玛新立材料科技有限公司 | 一种具有超耐候性的粉末涂料及其制备方法和应用 |
| CN113881262A (zh) * | 2021-08-26 | 2022-01-04 | 宁波爱甬新材料科技有限公司 | 一种高性能户外亚光粉末涂料及其制备方法 |
| CN115093775A (zh) * | 2022-06-29 | 2022-09-23 | 洛阳乐卡粉末有限公司 | 一种超薄低光泽粉末涂料及其制备方法 |
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Cited By (5)
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| CN111875988A (zh) * | 2020-08-04 | 2020-11-03 | 江西广源化工有限责任公司 | 一种改性针状硅灰石粉及其制备方法和应用、管道防腐环氧粉末涂料 |
| CN112266710A (zh) * | 2020-09-10 | 2021-01-26 | 廊坊艾格玛新立材料科技有限公司 | 一种具有超耐候性的粉末涂料及其制备方法和应用 |
| CN113881262A (zh) * | 2021-08-26 | 2022-01-04 | 宁波爱甬新材料科技有限公司 | 一种高性能户外亚光粉末涂料及其制备方法 |
| CN115093775A (zh) * | 2022-06-29 | 2022-09-23 | 洛阳乐卡粉末有限公司 | 一种超薄低光泽粉末涂料及其制备方法 |
| CN115093775B (zh) * | 2022-06-29 | 2023-12-26 | 洛阳乐卡粉末有限公司 | 一种超薄低光泽粉末涂料及其制备方法 |
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