CN111269677A - 一种光学胶施工工艺 - Google Patents

一种光学胶施工工艺 Download PDF

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CN111269677A
CN111269677A CN202010226735.1A CN202010226735A CN111269677A CN 111269677 A CN111269677 A CN 111269677A CN 202010226735 A CN202010226735 A CN 202010226735A CN 111269677 A CN111269677 A CN 111269677A
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孙仕兵
顾孔胜
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Shenzhen Gaoren Electronic New Material Co ltd
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Abstract

本发明公开了一种光学胶施工工艺,光学胶是由环氧树脂100份、固化剂5‑20份以及改性剂2‑10份的重量份配比制成;本发明提供了一种单门用于钢化膜的光学胶,且光学胶的透光性好,粘度适合,具有价格低廉、粘度好、透光率高的优点,以便于生产加工出质量高的钢化膜,而且光学胶的施工过程简单,加工出来的钢化膜的透光度好,质量高,可以快速贴合在手机屏上,不影响手机屏的透光率。

Description

一种光学胶施工工艺
技术领域
本发明涉及一种施工工艺,特别涉及一种光学胶施工工艺,属于光学胶施工技术领域。
背景技术
光学胶是一种用于胶结透明光学元件(如镜头等)的特种粘胶剂。要求具有无色透明、光透过率在90%以上、胶结强度良好,可在室温或中温下固化,且有固化收缩小等特点;简而言之,光学胶就是具有光学透明的一层特种双面胶。
现有技术中的用于钢化膜的光学胶基本上都是通用光学胶,具有低廉、粘度好的优点,可以降低钢化膜的生产成本,但是这种通用光学胶的透光度不好,影响手机屏幕的透光效率,而且粘度也不适用,有的粘度低,有的粘度好,影响钢化膜的使用,降低钢化膜的质量。
发明内容
本发明提出了一种光学胶施工工艺,解决了现有技术中没有单门用于钢化模的光学胶,影响钢化膜的透光率和使用的问题。
为了解决上述技术问题,本发明提供了如下的技术方案:
本发明提供了一种光学胶,所述光学胶是由环氧树脂100份、固化剂5-20份以及改性剂2-10份的重量份配比制成。
作为本发明的一种优选技术方案,所述环氧树脂采用低分子量双酚A环氧树脂或脂肪族缩水甘油醚环氧树脂。
作为本发明的一种优选技术方案,所述固化剂采用二甲胺丙胺、二乙胺、含氮酚醛树脂和芳醚酯二芳胺中的一种或几种。
作为本发明的一种优选技术方案,所述改性剂采用邻苯二甲酸二丁酯或末端带活性基团的脂肪族聚醚。
本发明还提供了一种光学胶的制备方法,所述光学胶的具体制备过程如下:
(A)、将100份的环氧树脂倒入反应釜中,加热搅拌直至环氧树脂融化,然后加入2-10份的改性剂,加热至110℃的温度下,搅拌混合30分钟;
(B)、缓慢冷却到40-60℃,进行保温20-40分钟,在保温的同时加入5-20份的固化剂,进行低速搅拌,然后冷却到室温,制成胶液;
(C)、将冷却到室温的胶液导入到真空箱中,静置2-3小时后,通过真空机进行抽取真空,对胶液进行脱泡处理,即可制成光学胶。
本发明还提供了一种光学胶施工工艺,所述光学胶的具体施工步骤如下:
(1)将玻璃板通过裁剪后,得到符合尺寸要求的玻璃基板,然后将玻璃基板进行钢化处理,得到钢化基板备用;
(2)将钢化基板进行等离子活化处理后,将光学胶通过涂胶机涂在钢化基板上,然后加热至120-130℃,真空干燥20-30秒,快速将保护膜贴合到钢化基板上;
(3)贴合成功后,迅速冷却到60-70℃,对钢化基板进行加压10-20秒,然后冷却到室温,对钢化基板进行真空排气,使保护膜与钢化基板之间没有气泡,钢化基板表面通过光学胶粘合保护膜,制成钢化膜;
(4)通过剪裁、修边,除去钢化膜边沿多余的保护膜和溢出的光学胶。
作为本发明的一种优选技术方案,所述保护膜为PET膜、PVC膜、PC膜、PE膜、PP膜或OPP膜中的一种。
本发明所达到的有益效果是:本发明的一种光学胶施工工艺与现有技术相比,具有以下的有益效果:
1、本发明提供了一种单门用于钢化膜的光学胶,且光学胶的透光性好,粘度适合,具有价格低廉、粘度好、透光率高的优点,以便于生产加工出质量高的钢化膜。
2、本发明的光学胶施工过程简单,加工出来的钢化膜的透光度好,质量高,可以快速贴合在手机屏上,不影响手机屏的透光率。
具体实施方式
以下对本发明的优选实施例进行说明,应当理解,此处所描述的优选实施例仅用于说明和解释本发明,并不用于限定本发明。
实施例1
一种光学胶的制备方法,光学胶的具体制备过程如下:
(A)、将100份的环氧树脂倒入反应釜中,加热搅拌直至环氧树脂融化,然后加入2-10份的改性剂,加热至110℃的温度下,搅拌混合30分钟;
(B)、缓慢冷却到40-60℃,进行保温20-40分钟,在保温的同时加入5-20份的固化剂,进行低速搅拌,然后冷却到室温,制成胶液;
(C)、将冷却到室温的胶液导入到真空箱中,静置2-3小时后,通过真空机进行抽取真空,对胶液进行脱泡处理,即可制成光学胶。
实施例2
采用环氧树脂100份、固化剂5份,改性剂6份的配比,按照如实施例1所示的一种光学胶的制备方法,进行制备光学胶,然后按照如下的施工步骤,使用光学胶制备成钢化膜,光学胶的具体施工步骤如下:
(1)将玻璃板通过裁剪后,得到符合尺寸要求的玻璃基板,然后将玻璃基板进行钢化处理,得到钢化基板备用;
(2)将钢化基板进行等离子活化处理后,将光学胶通过涂胶机涂在钢化基板上,然后加热至120-130℃,真空干燥20-30秒,快速将保护膜贴合到钢化基板上;
其中,保护膜为PET膜、PVC膜、PC膜、PE膜、PP膜或OPP膜中的一种;
(3)贴合成功后,迅速冷却到60-70℃,对钢化基板进行加压10-20秒,然后冷却到室温,对钢化基板进行真空排气,使保护膜与钢化基板之间没有气泡,钢化基板表面通过光学胶粘合保护膜,制成钢化膜;
(4)通过剪裁、修边,除去钢化膜边沿多余的保护膜和溢出的光学胶。
检验钢化膜的透光率和贴合效果,得到钢化膜的透光率为93.7%,贴合效率为92.8%。
实施例3
采用环氧树脂100份、固化剂10份,改性剂6份的配比,再次按照如实施例1所示的一种光学胶的制备方法,进行制备光学胶,然后按照如下的施工步骤,使用光学胶制备成钢化膜,光学胶的具体施工步骤如下:
(1)将玻璃板通过裁剪后,得到符合尺寸要求的玻璃基板,然后将玻璃基板进行钢化处理,得到钢化基板备用;
(2)将钢化基板进行等离子活化处理后,将光学胶通过涂胶机涂在钢化基板上,然后加热至120-130℃,真空干燥20-30秒,快速将保护膜贴合到钢化基板上;
其中,保护膜为PET膜、PVC膜、PC膜、PE膜、PP膜或OPP膜中的一种;
(3)贴合成功后,迅速冷却到60-70℃,对钢化基板进行加压10-20秒,然后冷却到室温,对钢化基板进行真空排气,使保护膜与钢化基板之间没有气泡,钢化基板表面通过光学胶粘合保护膜,制成钢化膜;
(4)通过剪裁、修边,除去钢化膜边沿多余的保护膜和溢出的光学胶。
检验钢化膜的透光率和贴合效果,得到钢化膜的透光率为94.1%,贴合效率为90.1%。
实施例4
采用环氧树脂100份、固化剂15份,改性剂6份的配比,按照如实施例1所示的一种光学胶的制备方法,进行制备光学胶,然后按照如下的施工步骤,使用光学胶制备成钢化膜,光学胶的具体施工步骤如下:
(1)将玻璃板通过裁剪后,得到符合尺寸要求的玻璃基板,然后将玻璃基板进行钢化处理,得到钢化基板备用;
(2)将钢化基板进行等离子活化处理后,将光学胶通过涂胶机涂在钢化基板上,然后加热至120-130℃,真空干燥20-30秒,快速将保护膜贴合到钢化基板上;
其中,保护膜为PET膜、PVC膜、PC膜、PE膜、PP膜或OPP膜中的一种;
(3)贴合成功后,迅速冷却到60-70℃,对钢化基板进行加压10-20秒,然后冷却到室温,对钢化基板进行真空排气,使保护膜与钢化基板之间没有气泡,钢化基板表面通过光学胶粘合保护膜,制成钢化膜;
(4)通过剪裁、修边,除去钢化膜边沿多余的保护膜和溢出的光学胶。
检验钢化膜的透光率和贴合效果,得到钢化膜的透光率为92.5%,贴合效率为91.4%。
通过实施例2、3、4可知改变光学胶的配比,并采用同一种施工工艺进行生产钢化膜,得到的钢化膜的透光率好,贴合效率高,不影响手机屏的透光率。
本发明提供了一种单门用于钢化膜的光学胶,且光学胶的透光性好,粘度适合,具有价格低廉、粘度好、透光率高的优点,以便于生产加工出质量高的钢化膜,而且光学胶的施工过程简单,加工出来的钢化膜的透光度好,质量高,可以快速贴合在手机屏上,不影响手机屏的透光率。
最后应说明的是:以上所述仅为本发明的优选实施例而已,并不用于限制本发明,尽管参照前述实施例对本发明进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (7)

1.一种光学胶,其特征在于,所述光学胶是由环氧树脂100份、固化剂5-20份以及改性剂2-10份的重量份配比制成。
2.根据权利要求1所述的一种光学胶,其特征在于,所述环氧树脂采用低分子量双酚A环氧树脂或脂肪族缩水甘油醚环氧树脂。
3.根据权利要求1所述的一种光学胶,其特征在于,所述固化剂采用二甲胺丙胺、二乙胺、含氮酚醛树脂和芳醚酯二芳胺中的一种或几种。
4.根据权利要求1所述的一种光学胶,其特征在于,所述改性剂采用邻苯二甲酸二丁酯或末端带活性基团的脂肪族聚醚。
5.根据权利要求1所述光学胶的一种光学胶的制备方法,其特征在于,所述光学胶的具体制备过程如下:
(A)、将100份的环氧树脂倒入反应釜中,加热搅拌直至环氧树脂融化,然后加入2-10份的改性剂,加热至110℃的温度下,搅拌混合30分钟;
(B)、缓慢冷却到40-60℃,进行保温20-40分钟,在保温的同时加入5-20份的固化剂,进行低速搅拌,然后冷却到室温,制成胶液;
(C)、将冷却到室温的胶液导入到真空箱中,静置2-3小时后,通过真空机进行抽取真空,对胶液进行脱泡处理,即可制成光学胶。
6.根据权利要求5所述制备方法的一种光学胶施工工艺,其特征在于,所述光学胶的具体施工步骤如下:
(1)将玻璃板通过裁剪后,得到符合尺寸要求的玻璃基板,然后将玻璃基板进行钢化处理,得到钢化基板备用;
(2)将钢化基板进行等离子活化处理后,将光学胶通过涂胶机涂在钢化基板上,然后加热至120-130℃,真空干燥20-30秒,快速将保护膜贴合到钢化基板上;
(3)贴合成功后,迅速冷却到60-70℃,对钢化基板进行加压10-20秒,然后冷却到室温,对钢化基板进行真空排气,使保护膜与钢化基板之间没有气泡,钢化基板表面通过光学胶粘合保护膜,制成钢化膜;
(4)通过剪裁、修边,除去钢化膜边沿多余的保护膜和溢出的光学胶。
7.根据权利要求6所述的一种光学胶施工工艺,其特征在于,所述保护膜为PET膜、PVC膜、PC膜、PE膜、PP膜或OPP膜中的一种。
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