CN108997904A - 一种高附着力的防静电粉末涂料及其制备方法 - Google Patents

一种高附着力的防静电粉末涂料及其制备方法 Download PDF

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CN108997904A
CN108997904A CN201810849894.XA CN201810849894A CN108997904A CN 108997904 A CN108997904 A CN 108997904A CN 201810849894 A CN201810849894 A CN 201810849894A CN 108997904 A CN108997904 A CN 108997904A
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沈荣存
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Abstract

本发明提供的一种高附着力的防静电粉末涂料，该高附着力的防静电粉末涂料为式(I)所示的聚合物和长油度醇酸树脂的复合物。本发明还提供了上述高附着力的防静电粉末涂料的制备方法。该高附着力的防静电粉末涂料，制备方法简单，采用高分子和纳米氧化铝复合，一方面采用长油度醇酸树脂复合提高了附着力，另一方面，防腐和导电性能非常优异。

Description

一种高附着力的防静电粉末涂料及其制备方法
技术领域
本发明涉及粉末涂料材料领域，特别涉及一种高附着力的防静电粉末涂料，还涉及其制备方法。
背景技术
随着科学技术的发展，石油、化工、医疗等各行各业越来越倾向于机械化和电子化，这些因素都使得静电在社会中的危害越来越显性化。静电容易在金属及非金属材料表面积聚，轻则致使仪器设备运行障碍，重则将会击穿电子元件，引起电击、火灾或爆炸等事故。因此，电子元件和设备的防静电要求越来越高。
目前防静电的技术方法较多，导静电涂料相比于电镀、真空溅射具备了制备工艺简单、施工方便、成本低廉等优点，尤其适用于各种复杂形状表面。相比于导静电棒，导静电涂料的适用范围广，使用寿命长。
导静电涂料主要分为本征型和添加型，其中关于添加型的研究较多。添加型导静电涂料主要通过填充导电碳系列、金属、金属氧化物及高分子离子等，目前这些填料存在的最大问题是分散性及相容性差，直接影响了涂层的附着力。
发明内容
发明目的：为了克服上述现有技术的不足，本发明的目的在于提供一种高附着力的防静电粉末涂料。
本发明的第二目的在于提供上述高附着力的防静电粉末涂料的制备方法。
技术方案：本发明提供的一种高附着力的防静电粉末涂料，该高附着力的防静电粉末涂料为式(I)所示的聚合物和长油度醇酸树脂的复合物；
其中，式(I)所示的聚合物的结构式为：
式中，n为500～2000之间的整数。
本发明还提供了上述高附着力的防静电粉末涂料的制备方法，包括以下步骤：
(1)在惰性气体的保护、350～400℃下，将2,5-噻吩二羧酸与4,4’-二氨基苯基羟基氧化膦在催化剂作用下反应8-12h，降温至300℃，即得式(I)所示的聚合物；
(2)以10℃/h的速度降温至250℃，同时加入长油度醇酸树脂，继续冷却至室温，真空干燥，即得式(I)所示的聚合物和长油度醇酸树脂的复合物。
步骤(1)中，催化剂选自磷酸三苯酯、三乙胺、乙二胺中的一种或几种。
步骤(1)中，2,5-噻吩二羧酸与4,4’-二氨基苯基羟基氧化膦的摩尔比为(1～1.2)∶1。
步骤(2)中，长油度醇酸树脂与式(I)所示的聚合物的摩尔比为(1～1.2)∶1，其中，式(I)所示的聚合物以4,4’-二氨基苯基羟基氧化膦的用量计。
有益效果：本发明提供的高附着力的防静电粉末涂料，制备方法简单，采用高分子和纳米氧化铝复合，一方面采用长油度醇酸树脂复合提高了附着力，另一方面，防腐和导电性能非常优异。
具体实施方式
根据下述实施例，可以更好地理解本发明。然而，本领域的技术人员容易理解，实施例所描述的内容仅用于说明本发明，而不应当也不会限制权利要求书中所详细描述的本发明。
实施例1
高附着力的防静电粉末涂料的制备，步骤如下：
(1)在惰性气体的保护、375℃下，将2,5-噻吩二羧酸与4,4’-二氨基苯基羟基氧化膦在乙二胺作用下反应10h，降温至250℃，即得式(I)所示的聚合物；其中，2,5-噻吩二羧酸与4,4’-二氨基苯基羟基氧化膦的摩尔比为1.1∶1；
取样，冷却降至室温，真空干燥，水洗、烘干和粉碎，检测聚合度为1580，1％的热失重分解速度为277.6℃。
(2)以20℃/h的速度降温至150℃，同时加入长油度醇酸树脂，继续冷却至室温，冷却后真空干燥，即得式(I)所示的聚合物和长油度醇酸树脂的复合物；其中，长油度醇酸树脂与式(I)所示的聚合物的摩尔比为1.1∶1，其中，式(I)所示的聚合物以4,4’-二氨基苯基羟基氧化膦的用量计。
实施例2
高附着力的防静电粉末涂料的制备，步骤如下：
(1)在惰性气体的保护、350℃下，将2,5-噻吩二羧酸与4,4’-二氨基苯基羟基氧化膦在三乙胺作用下反应12h，降温至250℃，即得式(I)所示的聚合物；其中，2,5-噻吩二羧酸与4,4’-二氨基苯基羟基氧化膦的摩尔比为1.2∶1；
取样，冷却降至室温，真空干燥，水洗、烘干和粉碎，检测聚合度为1610，1％的热失重分解速度为282.3℃。
(2)以20℃/h的速度降温至150℃，同时加入长油度醇酸树脂，继续冷却至室温，冷却后真空干燥，即得式(I)所示的聚合物和长油度醇酸树脂的复合物；其中，长油度醇酸树脂与式(I)所示的聚合物的摩尔比为1∶1，其中，式(I)所示的聚合物以4,4’-二氨基苯基羟基氧化膦的用量计。
实施例3
高附着力的防静电粉末涂料的制备，步骤如下：
(1)在惰性气体的保护、400℃下，将2,5-噻吩二羧酸与4,4’-二氨基苯基羟基氧化膦在磷酸三苯酯作用下反应8h，降温至250℃，即得式(I)所示的聚合物；其中，2,5-噻吩二羧酸与4,4’-二氨基苯基羟基氧化膦的摩尔比为1∶1；
取样，冷却降至室温，真空干燥，水洗、烘干和粉碎，检测聚合度为1310，1％的热失重分解速度为242.1℃。
(2)以20℃/h的速度降温至150℃，同时加入长油度醇酸树脂，继续冷却至室温，冷却后真空干燥，即得式(I)所示的聚合物和长油度醇酸树脂的复合物；其中，长油度醇酸树脂与式(I)所示的聚合物的摩尔比为1.2∶1，其中，式(I)所示的聚合物以4,4’-二氨基苯基羟基氧化膦的用量计。
测试实施例1至3的涂层材料的性能
实施例1 实施例2 实施例3 长油度醇酸树脂
附着力 0级 0级 0级 1级
电阻率Ω·cm 5×10-6 4×10-6 4×10-6 10-5

Claims (5)

1.一种高附着力的防静电粉末涂料，其特征在于：该高附着力的防静电粉末涂料为式(I)所示的聚合物和长油度醇酸树脂的复合物；
其中，式(I)所示的聚合物的结构式为：
式中，n为500～2000之间的整数。
2.权利要求1所述的一种高附着力的防静电粉末涂料的制备方法，其特征在于：包括以下步骤：
(1)在惰性气体的保护、350～400℃下，将2,5-噻吩二羧酸与4,4’-二氨基苯基羟基氧化膦在催化剂作用下反应8-12h，降温至300℃，即得式(I)所示的聚合物；
(2)以10℃/h的速度降温至250℃，同时加入长油度醇酸树脂，继续冷却至室温，真空干燥，即得式(I)所示的聚合物和长油度醇酸树脂的复合物。
3.根据权利要求2所述的一种高附着力的防静电粉末涂料的制备方法，其特征在于：步骤(1)中，催化剂选自磷酸三苯酯、三乙胺、乙二胺中的一种或几种。
4.根据权利要求2所述的一种高附着力的防静电粉末涂料的制备方法，其特征在于：步骤(1)中，2,5-噻吩二羧酸与4,4’-二氨基苯基羟基氧化膦的摩尔比为(1～1.2)∶1。
5.根据权利要求2所述的一种高附着力的防静电粉末涂料的制备方法，其特征在于：步骤(2)中，长油度醇酸树脂与式(I)所示的聚合物的摩尔比为(1～1.2)∶1，其中，式(I)所示的聚合物以4,4’-二氨基苯基羟基氧化膦的用量计。
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1295915A1 (en) * 2001-09-21 2003-03-26 Dsm N.V. Method for solidification of a liquid paint component
CN103275580A (zh) * 2013-06-08 2013-09-04 烟台邦州化工有限责任公司 一种纳米型超薄涂层粉末涂料及其制备方法
CN106349875A (zh) * 2016-08-29 2017-01-25 江南载福粉末涂料（张家港）有限公司 一种白板粉末涂料及其制备方法
CN107779059A (zh) * 2016-08-31 2018-03-09 唐咸俊 一种醇酸树脂漆

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1295915A1 (en) * 2001-09-21 2003-03-26 Dsm N.V. Method for solidification of a liquid paint component
CN103275580A (zh) * 2013-06-08 2013-09-04 烟台邦州化工有限责任公司 一种纳米型超薄涂层粉末涂料及其制备方法
CN106349875A (zh) * 2016-08-29 2017-01-25 江南载福粉末涂料（张家港）有限公司 一种白板粉末涂料及其制备方法
CN107779059A (zh) * 2016-08-31 2018-03-09 唐咸俊 一种醇酸树脂漆

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