CN111205768A - 一种提高玻璃机械强度的防护涂液及其喷涂工艺 - Google Patents

一种提高玻璃机械强度的防护涂液及其喷涂工艺 Download PDF

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CN111205768A
CN111205768A CN202010208444.XA CN202010208444A CN111205768A CN 111205768 A CN111205768 A CN 111205768A CN 202010208444 A CN202010208444 A CN 202010208444A CN 111205768 A CN111205768 A CN 111205768A
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spraying
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贡浩飞
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Jiangsu Nadia Electronic Technology Co ltd
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    • C09D183/00Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04Polysiloxanes
    • C09D183/08Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
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    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/28Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/28Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
    • C03C17/30Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with silicon-containing compounds
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/28Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
    • C03C17/32Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09D4/00Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
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    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04Polysiloxanes
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04Polysiloxanes
    • C08G77/22Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
    • C08G77/26Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen nitrogen-containing groups

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Abstract

本发明涉及一种提高玻璃机械强度的防护涂液及其喷涂工艺,包含有重量比2‑20%四乙氧基硅烷,1‑7%的四乙氧基钛,1‑10%的六甲基二硅氮烷,0.1‑2%二乙二醇甲醚,0.1‑1的聚乙烯吡咯烷酮,以及余量的溶剂;所述溶剂为乙醇,异丙醇,乙醚、苯,二氯乙烷中的一种或几种的混合。将玻璃表面清洗干净,将上述混合好的药液均匀喷洒在经过处理的玻璃表面,喷洒量为0.1‑0.2g/平方米,随后玻璃进入隧道炉,在140‑170摄氏度温度下烘烤20‑40分钟即得到机械强度增强的玻璃表面。本发明能够形成稳定的玻璃表面涂层,并且使涂层与玻璃表面形成稳定的化学力结合,耐磨损性能好,可以长期使用而不脱落。

Description

一种提高玻璃机械强度的防护涂液及其喷涂工艺
【技术领域】
本发明涉及一种提高玻璃机械强度的防护涂液及其喷涂工艺,属于玻璃屏幕保护技术领域。
【背景技术】
玻璃应用到越来越多的产品上,包括各类智能电子设备和汽车等。玻璃表面存在各种缺陷,如划伤,微裂纹,微孔等影响玻璃的机械强度,带有玻璃的智能设备跌落时候,有很大几率会破损。通常使用者会贴上防爆膜或者钢化膜来保护玻璃免受破损,但是贴膜效果并不好,影响屏幕的透光率和触摸体验。但现有生产制造中并没有可以提高玻璃表面强度的技术方案。
【发明内容】
本发明的目的在于:提出一种可以提高玻璃机械强度的防护涂液,只需要将药液喷涂在玻璃表面烘干后,即可形成玻璃表面的防护涂层,该涂层可填充和弥补玻璃表面的各种缺陷,如微裂纹、划伤、微孔或空隙以及凹陷等。从而提高玻璃的机械强度,增强玻璃的抗跌落破损性能;同时也不影响玻璃的透光率和触摸手感。
为实现上述目的,本发明采用的技术方案是:一种提高玻璃机械强度的防护涂液,包含有重量比2-20%四乙氧基硅烷,1-7%的四乙氧基钛,1-10%的六甲基二硅氮烷,0.1-2%二乙二醇甲醚,0.1-1%的聚乙烯吡咯烷酮,以及余量的溶剂;所述溶剂为乙醇,异丙醇,乙醚、苯,二氯乙烷中的一种或几种的混合。
一种提高玻璃机械强度的防护涂液的喷涂工艺,包括如下步骤:将玻璃表面用玻璃清洗剂清洗干净,然后经过等离子体处理,将上述混合好的药液均匀喷洒在经过等离子体处理干净的玻璃表面,喷洒量为0.1-0.2g/平方米,随后玻璃进入隧道炉,在140-170摄氏度温度下烘烤20-40分钟即得到机械强度增强的玻璃表面。
采用上述结构后,本发明有益效果为:本发明能够形成稳定的玻璃表面涂层,并且使涂层与玻璃表面形成稳定的化学力结合,涂层厚度大约200纳米,耐磨损性能好,可以长期使用而不脱落;其喷涂液价格较低,喷涂过程较容易控制,生产工艺简单,生产良率高,产品质量稳定,生产过程中没有废液产生,环保性好。
【具体实施方式】
下面将结合具体实施例来详细说明本发明,其中的示意性实施例以及说明仅用来解释本发明,但并不作为对本发明的限定。
实施例1
一种提高玻璃机械强度的防护涂液,包含有重量比15%四乙氧基硅烷,4%的四乙氧基钛,5%的六甲基二硅氮烷,0.2%二乙二醇甲醚,0.1%的聚乙烯吡咯烷酮,以及余量的溶剂乙醇,将上述组分混合均匀。
一种提高玻璃机械强度的防护涂液的喷涂工艺,包括如下步骤:将玻璃表面用清洗剂清洗干净,将上述混合好的药液均匀喷洒在经过等离子体处理过的玻璃表面,喷洒量为0.1-0.2g/平方米,随后玻璃进入隧道炉,在150摄氏度温度下烘烤30分钟即得到机械强度增强的玻璃表面,即形成玻璃表面涂层。
玻璃表面性能:铅笔硬度:10H,透过率 91.5%,雾度 0.2%,落球测试结果:在没有做过表面处理的玻璃表面,10次落球6次碎,经过表面涂层处理后的玻璃10次落球0次碎。说明玻璃的强度得到了明显的增强。
实施例2
一种提高玻璃机械强度的防护涂液,包含有重量比18%四乙氧基硅烷,6%的四乙氧基钛,3%的六甲基二硅氮烷,0.4%二乙二醇甲醚,0.2%的聚乙烯吡咯烷酮,以及余量的异丙醇和乙醚混合溶剂,将上述组分混合均匀即可。
一种提高玻璃机械强度的防护涂液的喷涂工艺,包括如下步骤:将玻璃表面用清洗剂清洗干净,将上述混合好的药液均匀喷洒在经过等离子体处理过的玻璃表面,喷洒量为0.1-0.2g/平方米,随后玻璃进入隧道炉,在150摄氏度温度下烘烤30分钟即得到机械强度增强的玻璃表面。
玻璃表面性能:铅笔硬度:10H,透过率 91.7%,雾度 0.1%,落球测试结果:在没有做过表面处理的玻璃表面,10次落球6次碎,经过表面涂层处理后的玻璃10次落球0次碎。说明玻璃的强度得到了明显的增强。
实施例3
一种提高玻璃机械强度的防护涂液,包含有重量比11%四乙氧基硅烷,8%的四乙氧基钛,7%的六甲基二硅氮烷,0.3%二乙二醇甲醚,0.4%的聚乙烯吡咯烷酮,以及余量的溶剂乙醚,将上述组分混合均匀即可。
一种提高玻璃机械强度的防护涂液的喷涂工艺,包括如下步骤:将玻璃表面用清洗剂清洗干净,将上述混合好的药液均匀喷洒在经过等离子体处理过的玻璃表面,喷洒量为0.1-0.2g/平方米,随后玻璃进入隧道炉,在150摄氏度温度下烘烤30分钟即得到机械强度增强的玻璃表面。
玻璃表面性能:铅笔硬度:10H,透过率 91.4%,雾度 0.2%,落球测试结果:在没有做过表面处理的玻璃表面,10次落球6次碎,经过表面涂层处理后的玻璃10次落球0次碎。说明玻璃的强度得到了明显的增强。
玻璃防护涂液在完全硬化后硬度达到10H以上。超高密度的玻璃粒子浸透到涂覆物本身的涂覆膜,以稳固的分子结合形成皮膜。玻璃被膜会填平本体涂覆表面的微小凹凸,实现高透明性和高光泽性。实现了硬度10H的优越耐擦伤性,任何领域操作都不需要特殊器具。
以上所述仅是本发明的较佳实施方式,故凡依本发明专利申请范围所述的构造、特征及原理所做的等效变化或修饰,均包括于本发明专利申请范围内。

Claims (3)

1.一种提高玻璃机械强度的防护涂液,其特征在于:包含有重量比2-20%四乙氧基硅烷,1-7%的四乙氧基钛,1-10%的六甲基二硅氮烷,0.1-2%二乙二醇甲醚,0.1-1%的聚乙烯吡咯烷酮,以及余量的溶剂;所述溶剂为乙醇,异丙醇,乙醚、苯,二氯乙烷中的一种或几种的混合。
2.根据权利要求1所述的一种提高玻璃机械强度的防护涂液,其特征在于:包含有重量比15%四乙氧基硅烷,4%的四乙氧基钛,5%的六甲基二硅氮烷,0.2%二乙二醇甲醚,0.1%的聚乙烯吡咯烷酮,以及余量的乙醇溶剂。
3.一种如权利要求1所述的提高玻璃机械强度的防护涂液的喷涂工艺,其特征在于:包括如下步骤:将玻璃表面清洗干净,将上述混合好的药液均匀喷洒在经过等离子体处理后的玻璃表面,喷洒量为0.1-0.2g/平方米,随后玻璃进入隧道炉,在140-170摄氏度温度下烘烤20-40分钟即得到机械强度增强的玻璃表面。
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113548807A (zh) * 2021-07-19 2021-10-26 东莞市微科光电科技有限公司 一种提高滤光片玻璃强度的方法

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