CN111761892A - 一种强度高的柔性玻璃及其生产方法 - Google Patents

一种强度高的柔性玻璃及其生产方法 Download PDF

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CN111761892A
CN111761892A CN201911279519.7A CN201911279519A CN111761892A CN 111761892 A CN111761892 A CN 111761892A CN 201911279519 A CN201911279519 A CN 201911279519A CN 111761892 A CN111761892 A CN 111761892A
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朱强峰
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Suzhou Huabeiwei Electronic Technology Co ltd
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Abstract

本发明公开了一种强度高的柔性玻璃及其生产方法，包括玻璃基层，所述玻璃基层的顶底两端均涂覆有保护层，所述玻璃基层顶端粘接有防护膜，所述防护膜为多层复合膜，包括基材层，所述基材层底端依次连接有强化层、有机硅压敏硅胶层和PET层，所述基材层顶端依次连接有离型膜层、防眩光层、抗蓝光层和抗刮层，所述保护层为PI薄膜层，所述强化层为玻璃纤维层，所述离型膜层为微球状结构离型膜层，所述抗刮层为丙烯酸聚氨酯薄膜层，本发明具有一定的韧性，力学性能优秀，抗腐蚀性、抗盐能力好，在高、低温环境下都有着良好的机械性能，有效保护移动设备显示屏，有助于提高其使用寿命。

Description

一种强度高的柔性玻璃及其生产方法
技术领域
本发明涉及玻璃技术领域，具体为一种强度高的柔性玻璃及其生产方法。
背景技术
移动设备：也被称为行动装置（英语：Mobile device）、流动装置、手持装置（handheld device）等，是一种口袋大小的计算设备，通常有一个小的显示萤幕，触控输入，或是小型的键盘。因为通过它可以随时随地访问获得各种信息，以手机和平板为代表的移动设备迅速成为现代生活中不可或缺的部分。移动设备上通常会设置玻璃盖板来保护显示屏，但是目前的玻璃盖板较脆、表面容易断裂，不具备很好的抗腐蚀性。
发明内容
本发明的目的在于提供一种强度高的柔性玻璃及其生产方法，以解决上述背景技术中提出的问题。
为实现上述目的，本发明提供如下技术方案：
一种强度高的柔性玻璃，包括玻璃基层，所述玻璃基层的顶底两端均涂覆有保护层，所述玻璃基层顶端粘接有防护膜，所述防护膜为多层复合膜，包括基材层，所述基材层底端依次连接有强化层、有机硅压敏硅胶层和PET层，所述基材层顶端依次连接有离型膜层、防眩光层、抗蓝光层和抗刮层。
优选的，所述保护层为PI薄膜层。
优选的，所述强化层为玻璃纤维层。
优选的，所述离型膜层为微球状结构离型膜层。
优选的，所述抗刮层为丙烯酸聚氨酯薄膜层。
一种强度高的柔性玻璃的生产方法，包括如下步骤：
S1、剪切：对生产出来的原始玻璃基板进行裁剪，得到合适尺寸的玻璃基板；
S2、强化：将步骤S1中得到的玻璃基板放入预热炉中预热，随后将玻璃基板放入硝酸钾与硝酸钠混合溶液中，在440℃条件下浸泡350min，通过离子交换法，使溶液中离子半径大的钾离子和玻璃中离子半径小的钠离子交换，滴盐10min，出炉降温；
S3、喷涂：在玻璃基板的正反表面均匀喷涂PI涂料，送入烘干炉烘干后，在玻璃基板表面形成PI薄膜层；
S4、硬化：将玻璃基板从烘干炉中取出，进行硬化处理；
S5、输水：将玻璃基板运入清洗线，使用去离子水对玻璃基板的正反面进行冲洗，去离子水的温度为25℃；
S6、成型：将玻璃基板置于风干箱中，风干后得到成型的玻璃板，再使用贴膜机在玻璃板表面粘贴防护膜，得到成品的柔性玻璃。
优选的，所述步骤S2中的预热温度为300℃，预热时间为30min。
优选的，所述步骤S3中的PI薄膜层厚度为50μm。
与现有技术相比，本发明的有益效果是：在玻璃基层上覆盖有PI薄膜层，PI薄膜层具有优良的耐高低温性、电气绝缘性、粘结性、耐辐射性、耐介质性，能在－269℃～280℃的温度范围内长期使用，力学性能好，20℃时拉伸强度为200MPa，200℃时大于100MPa；通过在防护膜中设置防眩光层和抗蓝光层，使得防护膜在具有防护性能的同时，减小眩光和蓝光对使用者的伤害，提高使用体验；通过玻璃纤维层，加强了防护膜的结构强度，使得防护膜具备良好的防爆性；丙烯酸聚氨酯薄膜层具有良好的抗腐蚀、耐磨损性能，有效增强了对玻璃基层的防护效果。本发明具有一定的韧性，力学性能优秀，抗腐蚀性、抗盐能力好，在高、低温环境下都有着良好的机械性能，有效保护移动设备显示屏，有助于提高其使用寿命。
附图说明
图1为一种强度高的柔性玻璃的结构示意图；
图2为一种强度高的柔性玻璃中防护膜的结构示意图。
图中：1-玻璃基层，2-保护层，3-防护膜，4-基材层，5-强化层，6-有机硅压敏硅胶层，7-PET层，8-离型膜层，9-防眩光层，10-抗蓝光层，11-抗刮层。
具体实施方式
下面将结合本发明实施例中的附图，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。
请参阅图1～2，本发明提供一种技术方案：一种强度高的柔性玻璃，包括玻璃基层1，所述玻璃基层1的顶底两端均涂覆有保护层2，所述玻璃基层1顶端粘接有防护膜3，所述防护膜3为多层复合膜，包括基材层4，所述基材层4底端依次连接有强化层5、有机硅压敏硅胶层6和PET层7，所述基材层4顶端依次连接有离型膜层8、防眩光层9、抗蓝光层10和抗刮层11。
所述保护层2为PI薄膜层，PI薄膜层具有优良的耐高低温性、电气绝缘性、粘结性、耐辐射性、耐介质性，能在－269℃～280℃的温度范围内长期使用，力学性能好，20℃时拉伸强度为200MPa，200℃时大于100MPa。
所述强化层5为玻璃纤维层，通过玻璃纤维层，加强了防护膜3的结构强度，使得防护膜3具备良好的防爆性。
所述离型膜层8为微球状结构离型膜层。
所述抗刮层11为丙烯酸聚氨酯薄膜层，丙烯酸聚氨酯薄膜层具有良好的抗腐蚀、耐磨损性能，有效增强了对玻璃基层的防护效果。
一种强度高的柔性玻璃的生产方法，包括如下步骤：
S1、剪切：对生产出来的原始玻璃基板进行裁剪，得到合适尺寸的玻璃基板；
S2、强化：将步骤S1中得到的玻璃基板放入预热炉中预热，随后将玻璃基板放入硝酸钾与硝酸钠混合溶液中，在440℃条件下浸泡350min，通过离子交换法，使溶液中离子半径大的钾离子和玻璃中离子半径小的钠离子交换，滴盐10min，出炉降温；
S3、喷涂：在玻璃基板的正反表面均匀喷涂PI涂料，送入烘干炉烘干后，在玻璃基板表面形成PI薄膜层；
S4、硬化：将玻璃基板从烘干炉中取出，进行硬化处理；
S5、输水：将玻璃基板运入清洗线，使用去离子水对玻璃基板的正反面进行冲洗，去离子水的温度为25℃；
S6、成型：将玻璃基板置于风干箱中，风干后得到成型的玻璃板，再使用贴膜机在玻璃板表面粘贴防护膜，得到成品的柔性玻璃。
所述步骤S2中的预热温度为300℃，预热时间为30min。
所述步骤S3中的PI薄膜层厚度为50μm。
对于本领域技术人员而言，显然本发明不限于上述示范性实施例的细节，而且在不背离本发明的精神或基本特征的情况下，能够以其他的具体形式实现本发明。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本发明的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。
此外，应当理解，虽然本说明书按照实施方式加以描述，但并非每个实施方式仅包含一个独立的技术方案，说明书的这种叙述方式仅仅是为清楚起见，本领域技术人员应当将说明书作为一个整体，各实施例中的技术方案也可以经适当组合，形成本领域技术人员可以理解的其他实施方式。

Claims (8)

1.一种强度高的柔性玻璃，包括玻璃基层(1)，其特征在于：所述玻璃基层(1)的顶底两端均涂覆有保护层(2)，所述玻璃基层(1)顶端粘接有防护膜(3)，所述防护膜(3)为多层复合膜，包括基材层(4)，所述基材层(4)底端依次连接有强化层(5)、有机硅压敏硅胶层(6)和PET层(7)，所述基材层(4)顶端依次连接有离型膜层(8)、防眩光层(9)、抗蓝光层(10)和抗刮层(11)。
2.根据权利要求1所述的一种强度高的柔性玻璃，其特征在于：所述保护层(2)为PI薄膜层。
3.根据权利要求1所述的一种强度高的柔性玻璃，其特征在于：所述强化层(5)为玻璃纤维层。
4.根据权利要求1所述的一种强度高的柔性玻璃，其特征在于：所述离型膜层(8)为微球状结构离型膜层。
5.根据权利要求1所述的一种强度高的柔性玻璃，其特征在于：所述抗刮层(11)为丙烯酸聚氨酯薄膜层。
6.一种强度高的柔性玻璃的生产方法，其特征在于：包括如下步骤：
S1、剪切：对生产出来的原始玻璃基板进行裁剪，得到合适尺寸的玻璃基板；
S2、强化：将步骤S1中得到的玻璃基板放入预热炉中预热，随后将玻璃基板放入硝酸钾与硝酸钠混合溶液中，在440℃条件下浸泡350min，通过离子交换法，使溶液中离子半径大的钾离子和玻璃中离子半径小的钠离子交换，滴盐10min，出炉降温；
S3、喷涂：在玻璃基板的正反表面均匀喷涂PI涂料，送入烘干炉烘干后，在玻璃基板表面形成PI薄膜层；
S4、硬化：将玻璃基板从烘干炉中取出，进行硬化处理；
S5、输水：将玻璃基板运入清洗线，使用去离子水对玻璃基板的正反面进行冲洗，去离子水的温度为25℃；
S6、成型：将玻璃基板置于风干箱中，风干后得到成型的玻璃板，再使用贴膜机在玻璃板表面粘贴防护膜，得到成品的柔性玻璃。
7.根据权利要求6所述的一种强度高的柔性玻璃的生产方法，其特征在于：所述步骤S2中的预热温度为300℃，预热时间为30min。
8.根据权利要求6所述的一种强度高的柔性玻璃的生产方法，其特征在于：所述步骤S3中的PI薄膜层厚度为50μm。
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Publication number Priority date Publication date Assignee Title
CN114149177A (zh) * 2021-12-10 2022-03-08 江苏神盾新材料科技有限公司 一种高强度的防辐射玻璃及其制备工艺

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114149177A (zh) * 2021-12-10 2022-03-08 江苏神盾新材料科技有限公司 一种高强度的防辐射玻璃及其制备工艺

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