CN112552644A - 一种复合型环氧树脂及其制备方法 - Google Patents
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Abstract
本发明公开了一种复合型环氧树脂及其制备方法，该复合型环氧树脂按重量份计的各组分组成：12‑18份双酚A型液体环氧树脂、4‑8份固化剂、6‑8份促进剂、10‑25份的双酚A型固体环氧树脂、2‑8份聚磷酸胺与1‑2份三聚氰胺氰尿酸盐，制备时，将双酚A型液体环氧树脂、固化剂、促进剂分别放入烘烤机中烘烤固化，得到混合物A；然后将聚磷酸胺与三聚氰胺氰尿酸盐按照一定比例混合，得到混合物B；最后将混合物A与混合物B放入烘烤机中二次固化，最终制得复合型环氧树脂；本发明复合型环氧树脂及其制备方法，该复合型环氧树脂物理机械和电绝缘性能、可以与各种材料的粘接性能，同时使用工艺的灵活性是其他热固性塑料所不具备的，具有实用性。
Description
技术领域
本发明涉及环氧树脂领域，具体为一种复合型环氧树脂及其制备方法。
背景技术
环氧树脂是一种高分子聚合物，分子式为(C11H12O3)n，是指分子中含有两个以上环氧基团的一类聚合物的总称。它是环氧氯丙烷与双酚A或多元醇的缩聚产物。由于环氧基的化学活性，可用多种含有活泼氢的化合物使其开环，固化交联生成网状结构，因此它是一种热固性树脂。双酚A 型环氧树脂不仅产量最大，品种最全，而且新的改性品种仍在不断增加，质量正在不断提高；
而如何提高环氧树脂的品质，为此，提出一种复合型环氧树脂及其制备方法。
发明内容
针对现有技术的不足，本发明提供如下技术方案：一种复合型环氧树脂，该复合型环氧树脂按重量份计的各组分组成：12-18份双酚A型液体环氧树脂、4-8份固化剂、6-8份促进剂、10-25份的双酚A型固体环氧树脂、2-8份聚磷酸胺与1-2份三聚氰胺氰尿酸盐。
优选的，该复合型环氧树脂按重量份计的各组分组成：12份双酚A型液体环氧树脂、4份固化剂、6份促进剂、10份的双酚A型固体环氧树脂、2份聚磷酸胺与1份三聚氰胺氰尿酸盐。
优选的，该复合型环氧树脂按重量份计的各组分组成：18份双酚A型液体环氧树脂、8份固化剂、8份促进剂、25份的双酚A型固体环氧树脂、4份聚磷酸胺与2份三聚氰胺氰尿酸盐。
一种复合型环氧树脂的制备方法，该制备方法包括以下步骤：
步骤一、将双酚A型液体环氧树脂、固化剂、促进剂分别放入烘烤机中烘烤固化，得到混合物A；
步骤二、将聚磷酸胺与三聚氰胺氰尿酸盐按照一定比例混合，得到混合物B；
步骤三、将混合物A与混合物B放入烘烤机中二次固化，最终制得复合型环氧树脂。
优选的，所述固化剂可选用苯二胺m-PDA与尿素替代物中任意一种。
优选的，所述促进剂选用环烷酸钴、异辛酸钴、异辛酸锌、N，N-二甲基苯胺、N，N-二乙基苯胺、磷酸钒中任意一种。
优选的，所述烘烤机的烘烤温度控制在68-98℃，烘烤时长为2-3h。
与现有技术对比，本发明具备以下有益效果：本发明复合型环氧树脂及其制备方法，该复合型环氧树脂物理机械和电绝缘性能、可以与各种材料的粘接性能，同时使用工艺的灵活性是其他热固性塑料所不具备的，具有实用性。
具体实施方式
下面对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
一种复合型环氧树脂该复合型环氧树脂按重量份计的各组分组成：12-18份双酚A型液体环氧树脂、4-8份固化剂、6-8份促进剂、10-25份的双酚A型固体环氧树脂、2-8份聚磷酸胺与1-2份三聚氰胺氰尿酸盐。
该复合型环氧树脂按重量份计的各组分组成：12份双酚A型液体环氧树脂、4份固化剂、6份促进剂、10份的双酚A型固体环氧树脂、2份聚磷酸胺与1份三聚氰胺氰尿酸盐。
该复合型环氧树脂按重量份计的各组分组成：18份双酚A型液体环氧树脂、8份固化剂、8份促进剂、25份的双酚A型固体环氧树脂、4份聚磷酸胺与2份三聚氰胺氰尿酸盐，固化剂在色相方面，脂环族最浅，基本上是透明的，而脂肪族和芳香族，其着色程度相当显著。在黏度方面，也有很大不同，脂环族不过零点零几Pa·s，而聚酰胺则非常黏稠，达数Pa·s，芳香族胺多为固态。适用期长短正好与固化性完全相反，脂肪族反应性最高，而脂环族、酰胺、芳香族依次降低，同时促进剂一是作为补强树脂的固化剂，提高橡胶制品的硬度；二是与间苯二酚等助剂一起构成粘合体系，对橡胶与纤维的粘合起着重要作用；
一种复合型环氧树脂的制备方法，该制备方法包括以下步骤：
步骤一、将双酚A型液体环氧树脂、固化剂、促进剂分别放入烘烤机中烘烤固化，得到混合物A；
步骤二、将聚磷酸胺与三聚氰胺氰尿酸盐按照一定比例混合，得到混合物B；
步骤三、将混合物A与混合物B放入烘烤机中二次固化，最终制得复合型环氧树脂。
固化剂可选用苯二胺m-PDA与尿素替代物中任意一种。
促进剂选用环烷酸钴、异辛酸钴、异辛酸锌、N，N-二甲基苯胺、N，N-二乙基苯胺、磷酸钒中任意一种。
烘烤机的烘烤温度控制在68-98℃，烘烤时长为2-3h。
实施例1
该复合型环氧树脂按重量份计的各组分组成：12份双酚A型液体环氧树脂、4份固化剂、6份促进剂、10份的双酚A型固体环氧树脂、2份聚磷酸胺与1份三聚氰胺氰尿酸盐。
经过检测，制备的粘接强度和耐化学性能提高20%，分子结构稳定。
实施例2
该复合型环氧树脂按重量份计的各组分组成：18份双酚A型液体环氧树脂、8份固化剂、8份促进剂、25份的双酚A型固体环氧树脂、4份聚磷酸胺与2份三聚氰胺氰尿酸盐；
经过检测，制备的粘接强度和耐化学性能提高23%，分子结构稳定。
实施例3
在制备时，将双酚A型液体环氧树脂、固化剂、促进剂分别放入烘烤机中烘烤固化，得到混合物A；将聚磷酸胺与三聚氰胺氰尿酸盐按照一定比例混合，得到混合物B；将混合物A与混合物B放入烘烤机中二次固化，最终制得复合型环氧树脂。
固化剂可选用苯二胺m-PDA，促进剂选用环烷酸钴，烘烤机的烘烤温度控制在68℃，烘烤时长为2h。
经过检测，制备的环氧树脂漆膜附着力强提高23%。
实施例4
在制备时，将双酚A型液体环氧树脂、固化剂、促进剂分别放入烘烤机中烘烤固化，得到混合物A；将聚磷酸胺与三聚氰胺氰尿酸盐按照一定比例混合，得到混合物B；将混合物A与混合物B放入烘烤机中二次固化，最终制得复合型环氧树脂。
固化剂可选用尿素替代物，促进剂选用异辛酸钴，烘烤机的烘烤温度控制在98℃，烘烤时长为3h。
经过检测，制备的环氧树脂漆膜附着力强提高18%。
所需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。
Claims (7)
1.一种复合型环氧树脂，其特征在于：该复合型环氧树脂按重量份计的各组分组成：12-18份双酚A型液体环氧树脂、4-8份固化剂、6-8份促进剂、10-25份的双酚A型固体环氧树脂、2-8份聚磷酸胺与1-2份三聚氰胺氰尿酸盐。
2.根据权利要求1的一种复合型环氧树脂，其特征在于：优选的，该复合型环氧树脂按重量份计的各组分组成：12份双酚A型液体环氧树脂、4份固化剂、6份促进剂、10份的双酚A型固体环氧树脂、2份聚磷酸胺与1份三聚氰胺氰尿酸盐。
3.根据权利要求1的一种复合型环氧树脂，其特征在于：优选的，该复合型环氧树脂按重量份计的各组分组成：18份双酚A型液体环氧树脂、8份固化剂、8份促进剂、25份的双酚A型固体环氧树脂、4份聚磷酸胺与2份三聚氰胺氰尿酸盐。
4.根据权利要求1的一种复合型环氧树脂的制备方法，其特征在于：该制备方法包括以下步骤：
步骤一、将双酚A型液体环氧树脂、固化剂、促进剂分别放入烘烤机中烘烤固化，得到混合物A；
步骤二、将聚磷酸胺与三聚氰胺氰尿酸盐按照一定比例混合，得到混合物B；
步骤三、将混合物A与混合物B放入烘烤机中二次固化，最终制得复合型环氧树脂。
5.根据权利要求4的一种复合型环氧树脂的制备方法，其特征在于：所述固化剂可选用苯二胺m-PDA与尿素替代物中任意一种。
6.根据权利要求4的一种复合型环氧树脂的制备方法，其特征在于：所述促进剂选用环烷酸钴、异辛酸钴、异辛酸锌、N，N-二甲基苯胺、N，N-二乙基苯胺、磷酸钒中任意一种。
7.根据权利要求4的一种复合型环氧树脂的制备方法，其特征在于：所述烘烤机的烘烤温度控制在68-98℃，烘烤时长为2-3h。
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