CN107793982A - 一种新型亚胺环氧胶黏剂及制备方法 - Google Patents

一种新型亚胺环氧胶黏剂及制备方法 Download PDF

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CN107793982A
CN107793982A CN201711017262.9A CN201711017262A CN107793982A CN 107793982 A CN107793982 A CN 107793982A CN 201711017262 A CN201711017262 A CN 201711017262A CN 107793982 A CN107793982 A CN 107793982A
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谈志刚
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Heshan Yixin Chemical Co Ltd
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Abstract

本发明公开了一种新型亚胺环氧胶黏剂，其特征在于，按照重量份数由下列原料组成：CYD128环氧树脂50份，缩水甘油酯型环氧树脂50份，端基亚胺中间体50～70份，增韧剂5～15份，120固化剂30～40份。CYD128环氧树脂和缩水甘油酯型环氧树脂复配后，与端基亚胺中间体反应，可生成性能优良的亚胺环氧胶黏剂。在制备过程中，添加由丙烯酸丁酯、丙烯腈、甲基丙烯酸缩水甘油酯制备的增韧剂，可提升其力学性能。新型亚胺环氧胶黏剂的制备工艺简单，易于工业化生产。

Description

一种新型亚胺环氧胶黏剂及制备方法
技术领域
本发明涉及胶黏剂技术领域，尤其涉及一种新型亚胺环氧胶黏剂及制备方法。
技术背景
环氧树脂胶黏剂因可室温固化、收缩率低、粘接强度高、工艺简单等优点而广泛用于国防和民用领域。随着科技的快速发展，人们对环氧树脂的固化工艺、耐温性和力学性能提出了更高的要求。影响环氧树脂胶黏剂粘接强度的主要因素有环氧树脂、固化剂、增韧剂以及促进剂等。
目前，对环氧树脂胶黏剂的研究大多集中在增加胶黏剂的韧性，或在增韧的同时提高其耐温性。采用的手段主要是其他树脂与环氧树脂物理共混或化学改性，或在环氧分子中引入新的基团。随着工业的飞速发展,要求胶黏剂具有更高的附着强度。
亚胺环氧胶黏剂，指以聚酰亚胺对环氧树脂进行改性，优化环氧树脂的性能，包括：内应力较大、性脆、高温下易降解、易受水影响等。因此，为了使其适应更高的要求，对环氧树脂进行改性。
发明内容
为了弥补现有技术的缺陷，本发明提供一种新型亚胺环氧胶黏剂，以改善环氧胶黏剂的力学性能。
本发明采用的技术方案如下：
一种新型亚胺环氧胶黏剂，按照重量份数由下列原料组成：
CYD128环氧树脂50份，缩水甘油酯型环氧树脂50份，端基亚胺中间体50～70份，增韧剂5～15份，120固化剂30～40份。
所述的增韧剂指经以下方法制备：
氮气保护下，丙烯酸丁酯10g，丙烯腈10g，甲基丙烯酸缩水甘油酯10g，加入到30g乙酸乙酯中，升温至50℃，搅拌30min，缓慢滴加1g引发剂AIBN，反应5h，可得到所述增韧剂。
一种新型亚胺环氧胶黏剂的制备方法，包括以下步骤：
(1)CYD128环氧树脂50份，缩水甘油酯型环氧树脂50份，加热至110℃，搅拌2h；
(2)加入端基亚胺中间体50～70份，升温至160℃，反应4h；
(3)降温至100℃，加入增韧剂5～15份，搅拌2h；
(4)降温至室温，加入120固化剂30～40份，搅拌均匀，可得新型亚胺环氧胶黏剂。
本发明的优点与效果
胶黏剂在制备过程中，环氧胶、亚胺中间体、增韧剂的选择都对产品性能产生影响。CYD128环氧树脂和缩水甘油酯型环氧树脂复配后，与端基亚胺中间体反应，可生成性能优良的亚胺环氧胶黏剂。在制备过程中，添加增韧剂可改善亚胺环氧胶黏剂的力学性能，由丙烯酸丁酯、丙烯腈、甲基丙烯酸缩水甘油酯在引发剂作用下制备的增韧剂，有着优良的增韧效果，可明显改善亚胺环氧胶黏剂的力学性能。新型亚胺环氧胶黏剂的制备工艺简单，易于工业化生产。
具体实施方式
以下结合具体实施例对本发明作进一步的描述，但不发明不限于这些实施例。
实施例1
(1)CYD128环氧树脂50份，缩水甘油酯型环氧树脂50份，加热至110℃，搅拌2h；
(2)加入端基亚胺中间体50份，升温至160℃，反应4h；
(3)降温至100℃，加入增韧剂5份，搅拌2h；
(4)降温至室温，加入120固化剂30份，搅拌均匀，可得新型亚胺环氧胶黏剂。
实施例1所制备胶黏剂的力学性能如表1所示，剪切强度按照GB 7124-86，采用万能材料试验机测试，冲击强度按照GB/T 2567 2008，采用ZBC-4型摆锤冲击试验机测试。
表1
性能项目 测试结果
剪切强度(KJ/m2) 13.2
冲击强度(MPa) 14.4
实施例2
(1)CYD128环氧树脂50份，缩水甘油酯型环氧树脂50份，加热至110℃，搅拌2h；
(2)加入端基亚胺中间体55份，升温至160℃，反应4h；
(3)降温至100℃，加入增韧剂7份，搅拌2h；
(4)降温至室温，加入120固化剂35份，搅拌均匀，可得新型亚胺环氧胶黏剂。
本实施例2所制备胶黏剂的力学性能如表2所示。
表2
性能项目 测试结果
剪切强度(KJ/m2) 14.1
冲击强度(MPa) 15.6
实施例3
(1)CYD128环氧树脂50份，缩水甘油酯型环氧树脂50份，加热至110℃，搅拌2h；
(2)加入端基亚胺中间体62份，升温至160℃，反应4h；
(3)降温至100℃，加入增韧剂9份，搅拌2h；
(4)降温至室温，加入120固化剂39份，搅拌均匀，可得新型亚胺环氧胶黏剂。
本实施例3所制备胶黏剂的力学性能如表3所示。
表3
性能项目 测试结果
剪切强度(KJ/m2) 15.3
冲击强度(MPa) 16.7
实施例4
(1)CYD128环氧树脂50份，缩水甘油酯型环氧树脂50份，加热至110℃，搅拌2h；
(2)加入端基亚胺中间体68份，升温至160℃，反应4h；
(3)降温至100℃，加入增韧剂12份，搅拌2h；
(4)降温至室温，加入120固化剂40份，搅拌均匀，可得新型亚胺环氧胶黏剂。
本实施例4所制备胶黏剂的力学性能如表4所示。
表4
性能项目 测试结果
剪切强度(KJ/m2) 16.5
冲击强度(MPa) 17.8
实施例1至4中所述的增韧剂指经以下方法制备：
氮气保护下，丙烯酸丁酯10g，丙烯腈10g，甲基丙烯酸缩水甘油酯10g，加入到30g乙酸乙酯中，升温至50℃，搅拌30min，缓慢滴加1g引发剂AIBN，反应5h，可得到所述增韧剂。

Claims (3)

1.一种新型亚胺环氧胶黏剂，其特征在于，按照重量份数由下列原料组成：CYD128环氧树脂50份，缩水甘油酯型环氧树脂50份，端基亚胺中间体50～70份，增韧剂5～15份，120固化剂30～40份。
2.根据权利要求1所述的一种新型亚胺环氧胶黏剂，其特征在于，所述增韧剂，经以下方法制备：氮气保护下，丙烯酸丁酯10g，丙烯腈10g，甲基丙烯酸缩水甘油酯10g，加入到30g乙酸乙酯中，升温至50℃，搅拌30min，缓慢滴加1g引发剂AIBN，反应5h，可得到所述增韧剂。
3.一种如权利要求1所述的新型亚胺环氧胶黏剂的制备方法，其特征在于，包括以下步骤：
(1)CYD128环氧树脂50份，缩水甘油酯型环氧树脂50份，加热至110℃，搅拌2h；
(2)加入端基亚胺中间体50～70份，升温至160℃，反应4h；
(3)降温至100℃，加入增韧剂5～15份，搅拌2h；
(4)降温至室温，加入120固化剂30～40份，搅拌均匀，可得新型亚胺环氧胶黏剂。
CN201711017262.9A 2017-10-26 2017-10-26 一种新型亚胺环氧胶黏剂及制备方法 Withdrawn CN107793982A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109705259A (zh) * 2018-12-21 2019-05-03 金旸（厦门）新材料科技有限公司 一种耐划伤、高表面硬度热塑性树脂、塑料及制备方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101735567A (zh) * 2009-12-16 2010-06-16 江南大学 一种粉末环氧树脂增韧剂及其制备方法
CN103396742A (zh) * 2013-08-05 2013-11-20 上海康达新能源材料有限公司 一种环氧胶膜
CN103265926B (zh) * 2013-06-04 2015-05-20 南通鸿图橡塑有限公司 复合纳米粉体改性亚胺环氧胶黏剂

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101735567A (zh) * 2009-12-16 2010-06-16 江南大学 一种粉末环氧树脂增韧剂及其制备方法
CN103265926B (zh) * 2013-06-04 2015-05-20 南通鸿图橡塑有限公司 复合纳米粉体改性亚胺环氧胶黏剂
CN103396742A (zh) * 2013-08-05 2013-11-20 上海康达新能源材料有限公司 一种环氧胶膜

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109705259A (zh) * 2018-12-21 2019-05-03 金旸（厦门）新材料科技有限公司 一种耐划伤、高表面硬度热塑性树脂、塑料及制备方法
CN109705259B (zh) * 2018-12-21 2020-12-11 金旸（厦门）新材料科技有限公司 一种耐划伤、高表面硬度热塑性树脂、塑料及制备方法

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