CN112010569A - 一种钢化玻璃镀膜的方法 - Google Patents
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Abstract
本发明公开了一种钢化玻璃镀膜的方法，包括玻璃基片，在玻璃基片的至少一个外表面由内到外依次设有氮化硅镀膜层、镍铬合金镀膜层、银镀膜层和PET聚酯薄膜，然后将镀膜的玻璃基片进行钢化处理。本发明中选用先镀膜再钢化的模式制成镀膜钢化玻璃，可以使得镀膜层与钢化玻璃的连接更为紧密，形成更为完整的整体；设置一定厚度的氮化硅镀膜层、镍铬合金镀膜层、银镀膜层可使其透光率、反射率指标更佳，并可吸收紫外线、反射远红外线，使其具有更好的隔热效果；设置PET聚酯薄膜，可使其表面不容易污染和划伤。
Description
技术领域
本发明涉及玻璃领域，尤其是涉及一种钢化玻璃镀膜的方法。
背景技术
玻璃具有表面晶莹光洁、透光、隔声、保温、耐磨、耐气候变化、材质稳定等优点。它是以石英砂、砂岩或石英岩、石灰石、长石、白云石及纯碱等为主要原料，经粉碎、筛分、配料、高温熔融、成型、退火、冷却、加工等工序制成。
玻璃成型后，可再次加工形成具有其他功能的玻璃，如钢化玻璃。钢化玻璃其实是一种预应力玻璃，为提高玻璃的强度，在使用物理法制造钢化玻璃的过程中，需要将普通玻璃升温至钢化温度，再急速冷却，形成预应力。当钢化玻璃运用至汽车及建筑等领域时，需要该玻璃具有透光率高、反射率低，过滤紫外线等特点，这就需要在钢化玻璃的表面进行镀膜处理。
发明内容
本发明要解决的技术问题是：克服现有技术的不足，提供一种透光率更高、反射率更低的镀膜的钢化玻璃。
本发明解决其技术问题所采用的技术方案是：一种钢化玻璃镀膜的方法，包括玻璃基片，在玻璃基片的至少一个外表面由内到外依次设有氮化硅镀膜层、镍铬合金镀膜层、银镀膜层和PET聚酯薄膜，然后将镀膜的玻璃基片进行钢化处理。
进一步，所述玻璃基片先进行切割处理后再进行镀膜。
进一步，对玻璃基片钢化处理时高温区的温度不超过605℃。
进一步，所述高温区的升温装置采用对流风机，以对高温区进行升温。
进一步，对玻璃基片钢化处理时降温区的温度为400℃~100℃。
进一步，所述降温区内的温度呈梯度温度，从400℃逐渐降低到100℃。
进一步，所述玻璃基片在降温区各个温度区间停留时间不同，在400℃处停留时间8s~10s。
进一步，所述氮化硅镀膜层包括第一氮化硅镀膜层和第二氮化硅镀膜层，所述镍铬合金镀膜层包括第一镍铬合金镀膜层和第二镍铬合金镀膜层。
进一步，在玻璃基片的一个外表面由内到外依次设有第一氮化硅镀膜层、第一镍铬合金镀膜层、银镀膜层、第二氮化硅镀膜层、第二镍铬合金镀膜层和PET聚酯薄膜。
进一步，所述氮化硅镀膜层的厚度为46-55nm，所述镍铬合金镀膜层的厚度为0.8-1.5nm，所述银镀膜层的厚度为5-13nm，所述PET聚酯薄膜的厚度为5-20μm。
本发明的有益效果：
本发明中选用先镀膜再钢化的模式制成镀膜钢化玻璃，可以使得镀膜层与钢化玻璃的连接更为紧密，形成更为完整的整体；设置一定厚度的氮化硅镀膜层、镍铬合金镀膜层、银镀膜层可使其透光率、反射率指标更佳，并可吸收紫外线、反射远红外线，使其具有更好的隔热效果；设置 PET 聚酯薄膜，可使其表面不容易污染和划伤。
具体实施方式
以下结合实施例对本发明作进一步说明。
一种钢化玻璃镀膜的方法，包括玻璃基片，在玻璃基片的至少一个外表面由内到外依次设有氮化硅镀膜层、镍铬合金镀膜层、银镀膜层和PET聚酯薄膜，然后将镀膜的玻璃基片进行钢化处理。
本实施例中，先对玻璃基片进行切割处理，按照预先定好的尺寸对玻璃基片进行切割，再对切割后的玻璃基片的边角打磨。先行打磨更为容易，因为制成钢化玻璃后，玻璃硬化不好打磨。
再对打磨完成的玻璃基片镀膜，在玻璃基片的一个外表面由内到外依次设有第一氮化硅镀膜层、第一镍铬合金镀膜层、银镀膜层、第二氮化硅镀膜层、第二镍铬合金镀膜层和PET聚酯薄膜。其中，所述第一氮化硅镀膜、第一镍铬合金镀膜、银镀膜、第二镍铬合金镀膜、第二氮化硅镀膜和PET 聚酯薄膜的厚度分别为：53nm、1.2nm、11nm、1.2nm、53nm、7μm。这样设置一定厚度的第一氮化硅镀膜层、第一镍铬合金镀膜层、银镀膜层、第二镍铬合金镀膜层、第二氮化硅镀膜层，可使其透光率、反射率指标更佳，并可吸收紫外线、反射远红外线，使其具有更好的隔热效果；设置 PET 聚酯薄膜，可使其表面不容易污染和划伤。
本实施例中，镀膜完成后的玻璃放入炉体内进行钢化处理。所述炉体内设有输送台架，输送台架上设有输送陶瓷辊，所述输送陶瓷辊可运输玻璃；所述输送台架处于高温区的两侧设有对流风机，利用对流风机对高温区进行升温处理，所述高温区的温度范围为605℃以下，550℃以上。因为当温度超过605℃会影响膜的性能。
同时升温时，升温时，观察玻璃的状态，玻璃下表面中间有白线，代表温度低，则加大对流风机的功率；玻璃进出炉方向的边部区域有擦伤情况，代表温度高，则减小对流风机的功率。
将升温完成后的玻璃送入到炉体内的低温区进行降温处理；所述低温区的温度范围为400℃~100℃，呈梯度温度设置，输送装置上的玻璃从高温区进入低温区内，在400℃~300℃的区间内停留10S，则快速进入到下一个区间300℃~200℃停留25min，再进入150℃~100℃冷却60min。将降温完成后的玻璃送入到炉体内的通风区降温至室温，再取出。
以上仅是本发明的实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有前述各种技术特征的组合和变型，本领域的技术人员在不脱离本发明的精神和范围的前提下，对本发明的改进、变型、等同替换，或者将本发明的结构或方法用于其它领域以取得同样的效果，都属于本发明包括的保护范围。
Claims (10)
1.一种钢化玻璃镀膜的方法，其特征在于：包括玻璃基片，在玻璃基片的至少一个外表面由内到外依次设有氮化硅镀膜层、镍铬合金镀膜层、银镀膜层和PET聚酯薄膜，然后将镀膜的玻璃基片进行钢化处理。
2.根据权利要求1所述的钢化玻璃镀膜的方法，其特征在于：所述玻璃基片先进行切割处理后再进行镀膜。
3.根据权利要求2所述的钢化玻璃镀膜的方法，其特征在于：对玻璃基片钢化处理时高温区的温度不超过605℃。
4.根据权利要求3所述的钢化玻璃镀膜的方法，其特征在于：所述高温区的升温装置采用对流风机，以对高温区进行升温。
5.根据权利要求4所述的钢化玻璃镀膜的方法，其特征在于：对玻璃基片钢化处理时降温区的温度为400℃~100℃。
6.根据权利要求5所述的钢化玻璃镀膜的方法，其特征在于：所述降温区内的温度呈梯度温度，从400℃逐渐降低到100℃。
7.根据权利要求6所述的钢化玻璃镀膜的方法，其特征在于：所述玻璃基片在降温区各个温度区间停留时间不同，在400℃处停留时间8s~10s。
8.根据权利要求1所述的钢化玻璃镀膜的方法，其特征在于：所述氮化硅镀膜层包括第一氮化硅镀膜层和第二氮化硅镀膜层，所述镍铬合金镀膜层包括第一镍铬合金镀膜层和第二镍铬合金镀膜层。
9.根据权利要求8所述的钢化玻璃镀膜的方法，其特征在于：在玻璃基片的一个外表面由内到外依次设有第一氮化硅镀膜层、第一镍铬合金镀膜层、银镀膜层、第二氮化硅镀膜层、第二镍铬合金镀膜层和PET聚酯薄膜。
10.根据权利要求9所述的钢化玻璃镀膜的方法，其特征在于：所述氮化硅镀膜层的厚度为46-55nm，所述镍铬合金镀膜层的厚度为0.8-1.5nm，所述银镀膜层的厚度为5-13nm，所述PET聚酯薄膜的厚度为5-20μm。
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030094016A1 (en) * | 2001-11-21 | 2003-05-22 | Optical Coating Laboratory, Inc. | Glass panel with barrier coating and related methods |
| CN203496381U (zh) * | 2013-07-11 | 2014-03-26 | 重庆春江镀膜玻璃有限公司 | 镀膜玻璃 |
| CN103770403A (zh) * | 2013-12-31 | 2014-05-07 | 东莞南玻工程玻璃有限公司 | 一种可钢化的热反射镀膜玻璃 |
| CN109455918A (zh) * | 2018-11-27 | 2019-03-12 | 安徽友谊钢化玻璃有限公司 | 一种镀膜钢化玻璃 |
| CN110255873A (zh) * | 2019-07-09 | 2019-09-20 | 重庆悦光钢化玻璃有限公司 | 一种钢化玻璃加工方法 |
-
2020
- 2020-08-18 CN CN202010828672.7A patent/CN112010569A/zh not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030094016A1 (en) * | 2001-11-21 | 2003-05-22 | Optical Coating Laboratory, Inc. | Glass panel with barrier coating and related methods |
| CN203496381U (zh) * | 2013-07-11 | 2014-03-26 | 重庆春江镀膜玻璃有限公司 | 镀膜玻璃 |
| CN103770403A (zh) * | 2013-12-31 | 2014-05-07 | 东莞南玻工程玻璃有限公司 | 一种可钢化的热反射镀膜玻璃 |
| CN109455918A (zh) * | 2018-11-27 | 2019-03-12 | 安徽友谊钢化玻璃有限公司 | 一种镀膜钢化玻璃 |
| CN110255873A (zh) * | 2019-07-09 | 2019-09-20 | 重庆悦光钢化玻璃有限公司 | 一种钢化玻璃加工方法 |
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