CN106589320A - 多功能环氧固化剂组合物及其制备方法 - Google Patents

多功能环氧固化剂组合物及其制备方法 Download PDF

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CN106589320A
CN106589320A CN201611080625.9A CN201611080625A CN106589320A CN 106589320 A CN106589320 A CN 106589320A CN 201611080625 A CN201611080625 A CN 201611080625A CN 106589320 A CN106589320 A CN 106589320A
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康健
季婧立
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Jiangsu Xinrui Sensor Technology Co Ltd
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    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/40Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
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    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/40Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
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    • C08G59/00Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/40Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
    • C08G59/4007Curing agents not provided for by the groups C08G59/42 - C08G59/66
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    • C08G59/00Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/40Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
    • C08G59/50Amines
    • C08G59/56Amines together with other curing agents
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Abstract

本发明提供了一种由苯酚、三乙醇胺、碳酸丙烯酯、咪唑混合反应后生成的新型固化剂。该固化剂与环氧树脂按不同的配比可配制成双组份电子灌封料和单组份电子灌封料。又可用工业乙醇做溶剂,与环氧树脂配制成环保型环氧绝缘漆。

Description

多功能环氧固化剂组合物及其制备方法
技术领域
本发明涉及一种多功能环氧固化剂组合物及其制备方法,属于固化剂技术领域。
背景技术
目前,环氧树脂领域里的固化剂种类繁多。但每一种固化剂的应用范围都受到其性能的限制。如T31固化剂,703固化剂,593、590固化剂,这些有机胺类固化剂多用于粘结修补或电子产品的灌注密封,也用于配制环氧防腐涂料。而有机酸酐类固化剂应用范围更小,如邻苯二甲酸酐、顺丁烯二酸酐等只限于用在电子产品灌注密封,必须在100℃以上的温度中数小时或十多小时才能固化,当然使用温度也相应提高。催化型固化剂也需在高温中固化,但可将此类中的某些固化剂,如三氟化硼络合物和双氰双胺固化剂与双酚A型环氧树脂配成单组份体系,适用期可达半年至一年。
鉴于以上各种性能与用途的固化剂,可否研究出一种多功能的固化剂呢;
本发明则兼顾了多种用途,既能与环氧树脂配合成双组份的电子产品灌封料,并能于80℃至100℃烘箱中数小时固化,又能调整配比而制成单组份体系,适用期可达半年。由于本发明配方奇特,还可制成环保型环氧绝缘漆,不用苯类溶剂,单纯用工业乙醇做溶剂,就可调配成单组份的环氧绝缘漆。适用期可达一年。
发明内容
针对现有技术中的缺陷,本发明的目的是提供一种多功能环氧固化剂组合物及其制备方法。
本发明是通过以下技术方案实现的:
本发明提供了一种多功能环氧固化剂组合物,其包括按重量份数计的如下组分:
苯酚 20~40份;
碳酸丙烯酯 30~40份;
三乙醇胺 20~40份;
咪唑 1~20份。
作为优选方案,各所述组分的重量份数分别为:
苯酚 30份;
碳酸丙烯酯 35份;
三乙醇胺 30份;
咪唑 5份。
一种如权前述的多功能环氧固化剂组合物的制备方法,其包括如下步骤:
将苯酚熔化后,加入三乙醇胺,使苯酚和三乙醇胺发生反应而发热至80℃,加入咪唑,使咪唑熔化后加入碳酸丙烯酯,搅拌均匀后,得到所述多功能环氧固化剂组合物。
作为优选方案,所述苯酚熔化的温度为50~80℃。
与现有技术相比,本发明具有如下的有益效果:
本发明既能配制双组份环氧树脂灌封料,又能配成单组份环氧树脂灌封料,还能用工业乙醇配制成环保型环氧绝缘漆。具有多功能性。
具体实施方式
下面结合具体实施例对本发明进行详细说明。以下实施例将有助于本领域的技术人员进一步理解本发明,但不以任何形式限制本发明。应当指出的是,对本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进。这些都属于本发明的保护范围。
实施例1
本实施例涉及一种超柔环氧固化剂组合物的制备方法,包括如下步骤:
按照苯酚20份、碳酸丙烯酯40份、三乙醇胺20份、咪唑20份进行配料;
先将苯酚置于50~80℃加热设备中加热熔化,之后倒入反应釜中,再将三乙醇胺加入并搅拌,由于两种物料发生化学反应而发热,致使反应釜内物料温度最终达到80℃左右,再将咪唑加入并搅拌,晶状固体物的咪唑将逐渐熔化,搅拌半小时左右,待咪唑完全熔化后再加入碳酸丙烯酯,继续搅拌半小时。待物料自然降温至50℃左右时即可放料出锅。
实施例2
本实施例涉及一种超柔环氧固化剂组合物的制备方法,包括如下步骤:
按照苯酚30份、碳酸丙烯酯35份、三乙醇胺30份、咪唑5份进行配料;
先将苯酚置于50~80℃加热设备中加热熔化,之后倒入反应釜中,再将三乙醇胺加入并搅拌,由于两种物料发生化学反应而发热,致使反应釜内物料温度最终达到80℃左右,再将咪唑加入并搅拌,晶状固体物的咪唑将逐渐熔化,搅拌半小时左右,待咪唑完全熔化后再加入碳酸丙烯酯,继续搅拌半小时。待物料自然降温至50℃左右时即可放料出锅。
实施例3
本实施例涉及一种超柔环氧固化剂组合物的制备方法,包括如下步骤:
按照苯酚20份、碳酸丙烯酯40份、三乙醇胺39份、咪唑1份进行配料;
先将苯酚置于50~80℃加热设备中加热熔化,之后倒入反应釜中,再将三乙醇胺加入并搅拌,由于两种物料发生化学反应而发热,致使反应釜内物料温度最终达到80℃左右,再将咪唑加入并搅拌,晶状固体物的咪唑将逐渐熔化,搅拌半小时左右,待咪唑完全熔化后再加入碳酸丙烯酯,继续搅拌半小时。待物料自然降温至50℃左右时即可放料出锅。
实施例4
双组份电子灌封料实施方式
将环氧树脂(E44或E51均可)与本发明超柔环氧固化剂组合物按重量份100:(20~25)的比例配料,混合均匀后即可灌注于电子产品中,并置入电热恒温箱中,80℃至100℃加热2~3小时即完全固化。
固化后的环氧树脂具有很高的韧性,机械强度优异,工作温度可达180℃,绝缘电阻大于1012Ω,适合于干式变压器、互感器、滤波器、继电器、温度传感器以及各类集成电路的灌注密封施工。
合肥市高新区三晶电子公司已用本发明成功制作耐高温的温度传感器,获得了良好的效果,已批量生产并质量稳定。
实施例5
单组份电子灌封料实施方式
将环氧树脂(E44或E51均可)与本发明超柔环氧固化剂组合物按重量份100:(5-7)的比例配料,混合均匀后即可包装贮存。使用时可先倒入容器中,若是夏天、环境温度较高,料液较稀,可直接灌注电子产品。若是冬天,因环境温度低使得料液变稠,可置于80~100℃烘箱中加热20分钟左右,这就能使料液变得很稀,再趁热灌注电子产品,之后置入电热恒温箱中。100℃加热8~10小时,或120℃加热3~5小时,或150℃加热2小时即可完全固化。
固化后的环氧树脂具有很高的韧性,机械强度优异,工作温度可达180℃,绝缘电阻大于1012Ω,适合于干式变压器、互感器、滤波器、继电器、温度传感器以及各类集成电路的灌封密封施工。
实施例6
环保型环氧绝缘漆
环保型环氧绝缘漆按重量份配比如下。
环氧树脂(E44或E51均可)100份,本发明超柔环氧固化剂组合物7份,
碳酸丙烯脂 10份,工业乙醇 83份。
先将环氧树脂加热至40℃左右时变稀,倒入反应釜中,再加入碳酸丙烯酯、工业乙醇和本发明,之后开始搅拌,大约半小时左右即可搅拌均匀,不需加热,只需常温搅拌,当搅拌均匀后即可放料包装。
使用时,取本品环保环氧绝缘漆进行施工:浸渍或涂复,之后于室温环境中放置一小时,以便让工业乙醇基本挥发完全,再置入120℃环境中加热5小时即干燥固化完全。
使用本品施工后,形成的漆膜与传统的绝缘漆性能相当,漆膜结合性好,有韧性、机械强度高,绝缘性优良,可用于线圈的浸漆、电器的绝缘涂料等场合。而最大的优点在于,不用苯类溶剂,单纯用工业乙醇作溶剂,这样就避免了环境污染,属于环保型化工产品。
以上对本发明的具体实施例进行了描述。需要理解的是,本发明并不局限于上述特定实施方式,本领域技术人员可以在权利要求的范围内做出各种变形或修改,这并不影响本发明的实质内容。

Claims (4)

1.一种多功能环氧固化剂组合物,其特征在于,包括按重量份数计的如下组分:
苯酚 20~40份;
碳酸丙烯酯 30~40份;
三乙醇胺 20~40份;
咪唑 1~20份。
2.如权利要求1所述的多功能环氧固化剂组合物,其特征在于,各所述组分的重量份数分别为:
苯酚 30份;
碳酸丙烯酯 35份;
三乙醇胺 30份;
咪唑 5份。
3.一种如权利要求1或2所述的多功能环氧固化剂组合物的制备方法,其特征在于,包括如下步骤:
将苯酚熔化后,加入三乙醇胺,使苯酚和三乙醇胺发生反应而发热至80℃,加入咪唑,使咪唑熔化后加入碳酸丙烯酯,搅拌均匀后,得到所述多功能环氧固化剂组合物。
4.如权利要求3所述的多功能环氧固化剂组合物的制备方法,其特征在于,所述苯酚熔化的温度为50~80℃。
CN201611080625.9A 2016-11-30 2016-11-30 多功能环氧固化剂组合物及其制备方法 Pending CN106589320A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021033129A1 (en) 2019-08-17 2021-02-25 Prefere Resins Holding Gmbh Multifunctional cyclic organic carbonates as curing agents for organic compounds having phenolic hydroxyl groups
EP3786172A1 (en) 2019-09-02 2021-03-03 Prefere Resins Holding GmbH Multifunctional cyclic organic carbonates as curing agents for organic compounds having hydroxyl groups

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1134691A (zh) * 1994-07-05 1996-10-30 法国韦特罗特克斯有限公司 用于玻璃纤维的上浆组合物,使用该组合物的方法和所得到的产品
CN1433532A (zh) * 2000-01-17 2003-07-30 昭和高分子株式会社 感光性树脂组合物
CN102276792A (zh) * 2011-07-14 2011-12-14 舒城金泽信环保材料有限公司 加热快速固化液态酸酐固化剂及其制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1134691A (zh) * 1994-07-05 1996-10-30 法国韦特罗特克斯有限公司 用于玻璃纤维的上浆组合物,使用该组合物的方法和所得到的产品
CN1433532A (zh) * 2000-01-17 2003-07-30 昭和高分子株式会社 感光性树脂组合物
CN102276792A (zh) * 2011-07-14 2011-12-14 舒城金泽信环保材料有限公司 加热快速固化液态酸酐固化剂及其制备方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021033129A1 (en) 2019-08-17 2021-02-25 Prefere Resins Holding Gmbh Multifunctional cyclic organic carbonates as curing agents for organic compounds having phenolic hydroxyl groups
EP3786172A1 (en) 2019-09-02 2021-03-03 Prefere Resins Holding GmbH Multifunctional cyclic organic carbonates as curing agents for organic compounds having hydroxyl groups

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Application publication date: 20170426