CN111497382A - 一种高强度防爆玻璃及其生产工艺 - Google Patents

一种高强度防爆玻璃及其生产工艺 Download PDF

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CN111497382A
CN111497382A CN202010321781.XA CN202010321781A CN111497382A CN 111497382 A CN111497382 A CN 111497382A CN 202010321781 A CN202010321781 A CN 202010321781A CN 111497382 A CN111497382 A CN 111497382A
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glass
glass substrates
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metal mesh
bonding
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刘洛阳
吴广峰
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Suqian Xin Da Jiang Glass Co ltd
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Abstract

本发明提供了一种高强度防爆玻璃及其生产工艺，在两块玻璃基板相远离的一侧设置耐磨保护层，相对的一侧设置粘合层；在两个粘合层相对的一侧设置金属网层，在两个金属网层之间设置多个EVA支撑块；利用粘合层、金属网层以及EVA支撑块有效提高了玻璃基板的表面抗冲击性能，使玻璃基板在爆裂时，玻璃碎片也不会四处散落，有效提高了玻璃整体的安全性能；通过PVB胶层对两块玻璃基板进行四周封边，并在封边的外围安装金属固定框；在两块玻璃基板之间的空腔内填充氮气，提高了玻璃整体的隔音性能以及隔热防爆性能。

Description

一种高强度防爆玻璃及其生产工艺
技术领域
本发明涉及玻璃生产加工领域，具体涉及一种高强度防爆玻璃及其生产工艺。
背景技术
玻璃是一种非晶无机非金属材料，广泛应用于汽车、建筑、工业等领域中，因而人们对玻璃的机械强度和防爆性能的要求越来越高。目前常用的钢化玻璃虽然硬度有所提高但是防爆性能仍然不够高，在受到外力冲击或温升过高时都容易发生爆裂。玻璃爆裂后，四处散落的破碎玻璃片和玻璃毛刺很容易对用户尤其是幼儿产生严重的安全隐患。
发明内容
针对上述技术问题，本发明提供了一种高强度防爆玻璃及其生产工艺。
一种高强度防爆玻璃，包括两块相对设置且间隔一段距离的玻璃基板，两块玻璃基板相远离的一侧均设有耐磨保护层，两块玻璃基板相对的一侧均设有粘合层，两个粘合层相对的一侧均设有金属网层，两个金属网层之间均匀的设置有多个EVA支撑块；
两块玻璃基板之间通过PVB胶层进行四周封边，封边的外围安装有金属固定框；所述PVB胶层上设有两个气孔，每个气孔内均设有相匹配的胶塞；两块玻璃基板之间的空腔内填充有氮气。
优选的，所述耐磨保护层的厚度为0.5-0.8mm，所述玻璃基板的厚度为3-4mm，所述粘合层的厚度为0.9-1.2mm，所述金属网层的厚度为1-2mm。
优选的，所述耐磨保护层、玻璃基板、粘合层以及金属网层的总厚度为6-7.5mm。
优选的，所述EVA支撑块的厚度为15-20mm。
优选的，所述玻璃基板均为钢化玻璃。
一种如上所述的高强度防爆玻璃的生产工艺，主要包括以下步骤：
1)准备两块尺寸一致的玻璃基板，并对每块玻璃基板的一侧表面进行磨砂处理，使玻璃基板的两表面分别为粗糙面和光滑面；
2)对两块玻璃基板进行超声波清洗并加热干燥；
3)在两块玻璃基板的粗糙面涂覆耐高温粘结剂形成粘合层，并在粘合层的表面粘覆一层金属网层；
4)在粘合层未完全固化失去粘结性时，在两块玻璃基板的金属网层之间均匀的放置多个EVA支撑块，使EVA支撑块的两端分别与两侧的玻璃基板粘结固定；
5)利用PVB胶层对两块玻璃基板进行四周封边，使两块玻璃基板之间形成空腔；
6)在PVB胶层上开设两个气孔，往其中一个气孔充入氮气，使空腔内的空气排空后，用胶塞堵住另一个气孔并朝外抽气，直至空腔内的压强为80-90kPa，用胶塞堵住剩下的气孔；
7)在两块玻璃基板外侧的光滑面上贴附一层耐磨保护层，再用金属固定框对四周封边进行固定，得到高强度防爆玻璃。
优选的，步骤1)中，所述磨砂处理为喷砂处理。
本发明的有益效果是：1、在两块玻璃基板相对的一侧设置粘合层以及金属网层，有效提高了玻璃基板的表面抗冲击性能；使玻璃基板在爆裂时，玻璃碎片也不会四处散落，提高了玻璃整体的安全性能；2、在两块玻璃基板之间的空腔内充入氮气，能有效提高玻璃整体的隔音性能以及隔热防爆性能；3、在两块玻璃基板之间设置多个EVA支撑块，进一步提高了玻璃整体的机械抗性；4、在两块玻璃基板的外侧贴附耐磨保护层，并用金属固定框对四周封边进行固定，能有效防止玻璃表面磨损或损伤封边。
附图说明
下面结合附图对本发明作进一步的说明。
图1为本发明实施例的整体结构示意图；
图中数字表示：
1、玻璃基板2、耐磨保护层3、粘合层4、金属网层5、EVA支撑块
6、PVB胶层7、气孔8、胶塞9、金属固定框。
具体实施方式
下面将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它实施例，都属于本发明保护的范围。
如图1所示，一种高强度防爆玻璃，包括两块相对设置且间隔一段距离的玻璃基板1，两块玻璃基板1均为钢化玻璃。两块玻璃基板1相远离的一侧均设有耐磨保护层2，用于防止玻璃基板1的外表面磨损。两块玻璃基板1相对的一侧均设有粘合层3，两个粘合层3相对的一侧均设有金属网层4，利用粘合层3以及金属网层4来提高玻璃基板1的表面抗冲击性能，使玻璃基板1即使在爆裂时，玻璃碎片也不会四处散落，提高了玻璃整体的安全性能。两个金属网层4之间均匀的设置有多个EVA支撑块5，进一步提高了防爆玻璃整体的机械抗性，同时还能控制两块玻璃基板1之间的距离，保证空气流通。
两块玻璃基板1之间通过PVB胶层6进行四周封边，PVB胶层6上开设有两个气孔7(两个气孔7可相对设置)，每个气孔7内均设有相匹配的胶塞8。两块玻璃基板1之间的空腔内填充有氮气，能有效提高防爆玻璃整体的隔音性能以及隔热防爆性能。四周封边的外围还通过螺栓安装有金属固定框9，方便安装的同时还能有效防止PVB胶层6损坏漏气。
本实施例中，耐磨保护层2的厚度为0.5-0.8mm，玻璃基板1的厚度为3-4mm，粘合层3的厚度为0.9-1.2mm，金属网层4的厚度为1-2mm(耐磨保护层2、玻璃基板1、粘合层3以及金属网层4的总厚度为6-7.5mm)。EVA支撑块5的厚度为15-20mm。
上述实施例提供的高强度防爆玻璃的生产工艺，主要包括以下步骤：
1)准备两块尺寸一致的玻璃基板1，并对每块玻璃基板1的其中一侧表面进行磨砂处理(优选喷砂处理进行磨砂)，使玻璃基板1的两表面分别为粗糙面和光滑面；
2)对两块玻璃基板1进行超声波清洗并加热干燥；
3)在两块玻璃基板1的粗糙面涂覆耐高温粘结剂形成粘合层3(粗糙面能够有效提高耐高温粘结剂的粘附效果)，并在粘合层3的表面粘覆一层金属网层4，粘合层3以及金属网层4能提高玻璃基板1的抗冲击性能，使玻璃基板1即使在爆裂时，玻璃碎片也不会四处散落，提高了整体的安全性能；
4)在粘合层3未完全固化失去粘结性时，在两块玻璃基板1的金属网层4之间均匀的放置多个EVA支撑块5，使EVA支撑块5的两端分别与两侧的玻璃基板1粘结固定，从而进一步提高了防爆玻璃整体的机械抗性，同时还能控制两块玻璃基板1之间的距离，保证空气流通；
5)利用PVB胶层6对两块玻璃基板1进行四周封边，使两块玻璃基板1之间形成空腔；
6)在PVB胶层6上开设两个气孔7，往其中一个气孔7充入氮气，使空腔内的空气排空后，用胶塞8堵住另一个气孔7并朝外抽气，直至空腔内的压强为80-90kPa，用胶塞8堵住剩下的气孔7；空腔处于负压状态能使两块玻璃基板1在两侧大气压的作用下压紧固定，同时空腔内的氮气还能有效提高防爆玻璃整体的隔音性能以及隔热防爆性能；
7)在两块玻璃基板1外侧的光滑面上贴附一层耐磨保护层2，再用金属固定框9对四周封边进行固定，得到高强度防爆玻璃。
对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。

Claims (7)

1.一种高强度防爆玻璃，其特征在于：包括两块相对设置且间隔一段距离的玻璃基板，两块玻璃基板相远离的一侧均设有耐磨保护层，两块玻璃基板相对的一侧均设有粘合层，两个粘合层相对的一侧均设有金属网层，两个金属网层之间均匀的设置有多个EVA支撑块；
两块玻璃基板之间通过PVB胶层进行四周封边，封边的外围安装有金属固定框；所述PVB胶层上设有两个气孔，每个气孔内均设有相匹配的胶塞；两块玻璃基板之间的空腔内填充有氮气。
2.根据权利要求1所述的一种高强度防爆玻璃，其特征在于：所述耐磨保护层的厚度为0.5-0.8mm，所述玻璃基板的厚度为3-4mm，所述粘合层的厚度为0.9-1.2mm，所述金属网层的厚度为1-2mm。
3.根据权利要求2所述的一种高强度防爆玻璃，其特征在于：所述耐磨保护层、玻璃基板、粘合层以及金属网层的总厚度为6-7.5mm。
4.根据权利要求3所述的一种高强度防爆玻璃，其特征在于：所述EVA支撑块的厚度为15-20mm。
5.根据权利要求1所述的一种高强度防爆玻璃，其特征在于：所述玻璃基板均为钢化玻璃。
6.一种如权利要求1-5中任意一项所述的高强度防爆玻璃的生产工艺，其特征在于，主要包括以下步骤：
1)准备两块尺寸一致的玻璃基板，并对每块玻璃基板的一侧表面进行磨砂处理，使玻璃基板的两表面分别为粗糙面和光滑面；
2)对两块玻璃基板进行超声波清洗并加热干燥；
3)在两块玻璃基板的粗糙面涂覆耐高温粘结剂形成粘合层，并在粘合层的表面粘覆一层金属网层；
4)在粘合层未完全固化失去粘结性时，在两块玻璃基板的金属网层之间均匀的放置多个EVA支撑块，使EVA支撑块的两端分别与两侧的玻璃基板粘结固定；
5)利用PVB胶层对两块玻璃基板进行四周封边，使两块玻璃基板之间形成空腔；
6)在PVB胶层上开设两个气孔，往其中一个气孔充入氮气，使空腔内的空气排空后，用胶塞堵住另一个气孔并朝外抽气，直至空腔内的压强为80-90kPa，用胶塞堵住剩下的气孔；
7)在两块玻璃基板外侧的光滑面上贴附一层耐磨保护层，再用金属固定框对四周封边进行固定，得到高强度防爆玻璃。
7.根据权利要求6所述的一种高强度防爆玻璃的生产工艺，其特征在于：步骤1)中，所述磨砂处理为喷砂处理。
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Publication number Priority date Publication date Assignee Title
CN115447911A (zh) * 2022-09-06 2022-12-09 安徽省昊天玻璃有限责任公司 一种具有防护功能的防爆钢化玻璃及其使用方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115447911A (zh) * 2022-09-06 2022-12-09 安徽省昊天玻璃有限责任公司 一种具有防护功能的防爆钢化玻璃及其使用方法
CN115447911B (zh) * 2022-09-06 2023-09-29 安徽省昊天玻璃有限责任公司 一种具有防护功能的防爆钢化玻璃及其使用方法

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