CN108976459A - 一种耐磨高硬度聚碳酸酯镜片 - Google Patents
一种耐磨高硬度聚碳酸酯镜片 Download PDFInfo
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Abstract
本发明公开了一种耐磨高硬度聚碳酸酯镜片，包括聚碳酸酯基片和涂覆于聚碳酸酯基片表面的涂层；涂层其原料包括：硅树脂预聚物、聚氨酯、环氧树脂、甲基丙烯酸羟乙酯、聚酯多元醇、乙酰丙酮铝、二月桂酸二丁基锡、四丁基氢氧化铵、甲基六氢苯酐、2‑甲基咪唑、二环脒、溶剂、硅烷偶联剂、助剂。本发明提出的耐磨高硬度聚碳酸酯镜片，其耐磨性好，表面硬度高，耐热性能优异，使用寿命长。
Description
技术领域
本发明涉及镜片技术领域，尤其涉及一种耐磨高硬度聚碳酸酯镜片。
背景技术
聚碳酸酯是一种分子主链含有碳酸酯键结构的热塑性树脂，具有质轻、透明度高、耐冲击性好、耐热、耐寒、尺寸稳定、透光率高、易于加工成型等优点，目前已广泛用作光学镜片、透镜等的材料，但是与光学玻璃相比，聚碳酸酯的表面硬度低、耐磨性差，用其制成的镜片在使用过程中容易损伤从而严重影响其使用价值。
发明内容
基于背景技术存在的技术问题，本发明提出了一种耐磨高硬度聚碳酸酯镜片，其耐磨性好，表面硬度高，耐热性能优异，使用寿命长。
本发明提出的一种耐磨高硬度聚碳酸酯镜片，包括聚碳酸酯基片和涂覆于聚碳酸酯基片表面的涂层；所述涂层其原料按重量份包括：硅树脂预聚物80-100份、聚氨酯3-11份、环氧树脂1-5份、甲基丙烯酸羟乙酯0.12-0.25份、聚酯多元醇0.2-1份、乙酰丙酮铝0.1-0.2份、二月桂酸二丁基锡0.05-0.12份、四丁基氢氧化铵0.05-0.25份、甲基六氢苯酐0.2-0.85份、2-甲基咪唑0.01-0.1份、二环脒0.1-0.5份、溶剂13-30份、硅烷偶联剂0.5-1.8份、助剂0.1-0.3份。
优选地，所述硅树脂预聚物是以正硅酸乙酯、甲基三甲氧基硅烷、γ-(2,3-环氧丙氧基)丙基三甲氧基硅烷、γ-氯丙基三甲氧基硅氧烷为单体制备而成的硅树脂预聚物。
优选地，所述聚酯多元醇按照以下工艺进行制备：将巯基乙醇加入反应装置中，在氮气的保护下升温至30-35℃，加入氢氧化钾溶液，在25-30℃下保温反应至体系pH值为9-10，加入表氯醇，升温至45-55℃，保温反应1.5-2.5h，后处理得到物料A；在氮气的保护下将十二碳二酸、1,6-己二醇、邻苯二甲酸酐、4,4-(9-芴)二苯酚、物料A、催化剂与二甲苯混合，升温至125-138℃开动搅拌，然后升温至142-155℃搅拌反应30-50min，继续升温至165-190℃保温反应80-100min，然后升温至200-210℃反应至酸值＜1mgKOH/g，减压、降温出料得到所述聚酯多元醇。
优选地，巯基乙醇、表氯醇的重量比为40-50：18-25；十二碳二酸、1,6-己二醇、邻苯二甲酸酐、4,4-(9-芴)二苯酚、物料A、催化剂、二甲苯的重量比为19.6-25：24-35：10-15：3-20：3-11：0.1-0.25：40-55。
优选地，所述催化剂为钛酸四丁酯与辛酸亚锡的混合物，且钛酸四丁酯与辛酸亚锡的重量比为2-10：3-7。
优选地，所述溶剂为异丙醇、醋酸丁酯、乙二醇丁醚、丙二醇甲醚的混合物，且异丙醇、醋酸丁酯、乙二醇丁醚、丙二醇甲醚的重量比为3-5：1-4：3-6：1-3。
优选地，所述硅烷偶联剂为硅烷偶联剂KH-560、硅烷偶联剂KH-570的混合物，且硅烷偶联剂KH-560、硅烷偶联剂KH-570的重量比为2-10：5-15。
优选地，所述助剂为流平剂、紫外光吸收剂、紫外光稳定剂的混合物，且流平剂、紫外光吸收剂、紫外光稳定剂的重量比为2-10：1-5：2-11。
本发明所述耐磨高硬度聚碳酸酯镜片，以聚碳酸酯基片为主体，并在其表面涂覆了涂层，赋予镜片优异的耐磨性和硬度；涂层的原料中，以硅树脂预聚物主体，硅树脂预聚物具体以正硅酸乙酯、甲基三甲氧基硅烷、γ-(2,3-环氧丙氧基)丙基三甲氧基硅烷、γ-氯丙基三甲氧基硅氧烷为单体制备而成，在体系中形成了带有强极性有机基团的无机交联网络，使所得涂膜透明且均匀致密，提高了镜片的耐磨性和硬度，同时加入了聚氨酯和环氧树脂与其配合，提高了涂层与聚碳酸酯基片的附着力，同时赋予涂层优异的抗紫外线性能；加入了甲基丙烯酸羟乙酯、聚酯多元醇配合，具有大量的强极性结构，与聚碳酸酯具有良好的亲和力，提高了涂层与聚碳酸酯基片的附着力，改善了有机硅涂料与聚碳酸附着力差的缺陷，优选方式聚酯多元醇的制备过程中，首先以巯基乙醇和表氯醇为原料，使巯基乙醇中的巯基与表氯醇发生了反应，得到了含硫的三醇化合物物料A，之后具体以十二碳二酸、1,6-己二醇、邻苯二甲酸酐、4,4-(9-芴)二苯酚、物料A为原料进行反应得到了聚酯多元醇，将其加入体系中，能进入聚碳酸酯基材内部，提高了涂层与聚碳酸酯的附着力，同时其将巯基和含苯环密度大的刚性芴基引入到了涂层中，提高了涂层的玻璃化温度，赋予涂料优异的耐热性和耐老化性，同时具体选择了具有长链结构的十二碳二酸、1,6-己二醇为单体，调控了聚酯多元醇中单体的软硬度，同时与体系中加入的甲基六氢苯酐配合，在增加漆膜强度的同时防止了漆膜强度过大引起的开裂现象，使刚性和韧性实现平衡；以乙酰丙酮铝、二月桂酸二丁基锡、四丁基氢氧化铵三者配合作为固化体系，涂层固化速度适中，附着力好，硬度和耐磨性好；甲基六氢苯酐加入体系中，在2-甲基咪唑的催化下，能与体系中的环氧基发生加成反应，生成烷氧基阴离子，进而形成具有互穿网络结构的涂层，赋予镜片优异的耐磨性、硬度和透光率。
本发明涂层与聚碳酸酯基片的附着力达到0级，使所得镜片表面的硬度达到H以上，耐磨性能较未涂覆的更加优异。
具体实施方式
下面，通过具体实施例对本发明的技术方案进行详细说明。
实施例1
本发明提出的一种耐磨高硬度聚碳酸酯镜片，包括聚碳酸酯基片和涂覆于聚碳酸酯基片表面的涂层；所述涂层其原料按重量份包括：硅树脂预聚物100份、聚氨酯3份、环氧树脂5份、甲基丙烯酸羟乙酯0.12份、聚酯多元醇1份、乙酰丙酮铝0.1份、二月桂酸二丁基锡0.12份、四丁基氢氧化铵0.05份、甲基六氢苯酐0.85份、2-甲基咪唑0.01份、二环脒0.5份、溶剂13份、硅烷偶联剂1.8份、助剂0.1份。
实施例2
本发明提出的一种耐磨高硬度聚碳酸酯镜片，包括聚碳酸酯基片和涂覆于聚碳酸酯基片表面的涂层；所述涂层其原料按重量份包括：硅树脂预聚物80份、聚氨酯11份、环氧树脂1份、甲基丙烯酸羟乙酯0.25份、聚酯多元醇0.2份、乙酰丙酮铝0.2份、二月桂酸二丁基锡0.05份、四丁基氢氧化铵0.25份、甲基六氢苯酐0.2份、2-甲基咪唑0.1份、二环脒0.1份、溶剂30份、硅烷偶联剂0.5份、助剂0.3份。
实施例3
本发明提出的一种耐磨高硬度聚碳酸酯镜片，包括聚碳酸酯基片和涂覆于聚碳酸酯基片表面的涂层；所述涂层其原料按重量份包括：硅树脂预聚物95份、聚氨酯6份、环氧树脂4.3份、甲基丙烯酸羟乙酯0.18份、聚酯多元醇0.79份、乙酰丙酮铝0.12份、二月桂酸二丁基锡0.1份、四丁基氢氧化铵0.09份、甲基六氢苯酐0.8份、2-甲基咪唑0.03份、二环脒0.43份、溶剂18份、硅烷偶联剂1.6份、助剂0.15份；
其中，所述硅树脂预聚物是以正硅酸乙酯、甲基三甲氧基硅烷、γ-(2,3-环氧丙氧基)丙基三甲氧基硅烷、γ-氯丙基三甲氧基硅氧烷为单体制备而成的硅树脂预聚物；
所述聚酯多元醇按照以下工艺进行制备：将巯基乙醇加入反应装置中，在氮气的保护下升温至30℃，加入氢氧化钾溶液，在30℃下保温反应至体系pH值为9，加入表氯醇，升温至55℃，保温反应1.5h，后处理得到物料A；在氮气的保护下将十二碳二酸、1,6-己二醇、邻苯二甲酸酐、4,4-(9-芴)二苯酚、物料A、催化剂与二甲苯混合，升温至138℃开动搅拌，然后升温至142℃搅拌反应50min，继续升温至165℃保温反应100min，然后升温至200℃反应至酸值为0.8mgKOH/g，减压、降温出料得到所述聚酯多元醇；其中，巯基乙醇、表氯醇的重量比为40：25；十二碳二酸、1,6-己二醇、邻苯二甲酸酐、4,4-(9-芴)二苯酚、物料A、催化剂、二甲苯的重量比为19.6：24：15：3：11：0.1：55；所述催化剂为钛酸四丁酯与辛酸亚锡的混合物，且钛酸四丁酯与辛酸亚锡的重量比为2：7；
所述溶剂为异丙醇、醋酸丁酯、乙二醇丁醚、丙二醇甲醚的混合物，且异丙醇、醋酸丁酯、乙二醇丁醚、丙二醇甲醚的重量比为3：4：3：3；
所述硅烷偶联剂为硅烷偶联剂KH-560、硅烷偶联剂KH-570的混合物，且硅烷偶联剂KH-560、硅烷偶联剂KH-570的重量比为2：15；
所述助剂为流平剂、紫外光吸收剂、紫外光稳定剂的混合物，且流平剂、紫外光吸收剂、紫外光稳定剂的重量比为2：5：2。
实施例4
本发明提出的一种耐磨高硬度聚碳酸酯镜片，包括聚碳酸酯基片和涂覆于聚碳酸酯基片表面的涂层；所述涂层其原料按重量份包括：硅树脂预聚物88份、聚氨酯10份、环氧树脂2.8份、甲基丙烯酸羟乙酯0.21份、聚酯多元醇0.38份、乙酰丙酮铝0.18份、二月桂酸二丁基锡0.08份、四丁基氢氧化铵0.22份、甲基六氢苯酐0.28份、2-甲基咪唑0.08份、二环脒0.28份、溶剂27份、硅烷偶联剂0.9份、助剂0.27份；
其中，所述硅树脂预聚物是以正硅酸乙酯、甲基三甲氧基硅烷、γ-(2,3-环氧丙氧基)丙基三甲氧基硅烷、γ-氯丙基三甲氧基硅氧烷为单体制备而成的硅树脂预聚物；
所述聚酯多元醇按照以下工艺进行制备：将巯基乙醇加入反应装置中，在氮气的保护下升温至35℃，加入氢氧化钾溶液，在25℃下保温反应至体系pH值为10，加入表氯醇，升温至45℃，保温反应2.5h，后处理得到物料A；在氮气的保护下将十二碳二酸、1,6-己二醇、邻苯二甲酸酐、4,4-(9-芴)二苯酚、物料A、催化剂与二甲苯混合，升温至125℃开动搅拌，然后升温至155℃搅拌反应30min，继续升温至190℃保温反应80min，然后升温至210℃反应至酸值为0.7mgKOH/g，减压、降温出料得到所述聚酯多元醇；其中，巯基乙醇、表氯醇的重量比为50：18；十二碳二酸、1,6-己二醇、邻苯二甲酸酐、4,4-(9-芴)二苯酚、物料A、催化剂、二甲苯的重量比为25：35：10：20：3：0.25：40；所述催化剂为钛酸四丁酯与辛酸亚锡的混合物，且钛酸四丁酯与辛酸亚锡的重量比为10：3；
所述溶剂为异丙醇、醋酸丁酯、乙二醇丁醚、丙二醇甲醚的混合物，且异丙醇、醋酸丁酯、乙二醇丁醚、丙二醇甲醚的重量比为5：1：6：1；
所述硅烷偶联剂为硅烷偶联剂KH-560、硅烷偶联剂KH-570的混合物，且硅烷偶联剂KH-560、硅烷偶联剂KH-570的重量比为10：5；
所述助剂为流平剂、紫外光吸收剂、紫外光稳定剂的混合物，且流平剂、紫外光吸收剂、紫外光稳定剂的重量比为10：1：11。
实施例5
本发明提出的一种耐磨高硬度聚碳酸酯镜片，包括聚碳酸酯基片和涂覆于聚碳酸酯基片表面的涂层；所述涂层其原料按重量份包括：硅树脂预聚物90份、聚氨酯8份、环氧树脂3.2份、甲基丙烯酸羟乙酯0.18份、聚酯多元醇0.6份、乙酰丙酮铝0.17份、二月桂酸二丁基锡0.1份、四丁基氢氧化铵0.18份、甲基六氢苯酐0.6份、2-甲基咪唑0.07份、二环脒0.38份、溶剂22份、硅烷偶联剂1.3份、助剂0.22份；
其中，所述硅树脂预聚物是以正硅酸乙酯、甲基三甲氧基硅烷、γ-(2,3-环氧丙氧基)丙基三甲氧基硅烷、γ-氯丙基三甲氧基硅氧烷为单体制备而成的硅树脂预聚物；
所述聚酯多元醇按照以下工艺进行制备：将巯基乙醇加入反应装置中，在氮气的保护下升温至33℃，加入氢氧化钾溶液，在27℃下保温反应至体系pH值为9，加入表氯醇，升温至48℃，保温反应2h，后处理得到物料A；在氮气的保护下将十二碳二酸、1,6-己二醇、邻苯二甲酸酐、4,4-(9-芴)二苯酚、物料A、催化剂与二甲苯混合，升温至130℃开动搅拌，然后升温至148℃搅拌反应40min，继续升温至180℃保温反应90min，然后升温至205℃反应至酸值为0.5mgKOH/g，减压、降温出料得到所述聚酯多元醇；
巯基乙醇、表氯醇的重量比为48：22；十二碳二酸、1,6-己二醇、邻苯二甲酸酐、4,4-(9-芴)二苯酚、物料A、催化剂、二甲苯的重量比为21：29：13.8：11：7：0.18：48；
所述催化剂为钛酸四丁酯与辛酸亚锡的混合物，且钛酸四丁酯与辛酸亚锡的重量比为7：6；
所述溶剂为异丙醇、醋酸丁酯、乙二醇丁醚、丙二醇甲醚的混合物，且异丙醇、醋酸丁酯、乙二醇丁醚、丙二醇甲醚的重量比为3.8：3：4：2；
所述硅烷偶联剂为硅烷偶联剂KH-560、硅烷偶联剂KH-570的混合物，且硅烷偶联剂KH-560、硅烷偶联剂KH-570的重量比为7：11；
所述助剂为流平剂、紫外光吸收剂、紫外光稳定剂的混合物，且流平剂、紫外光吸收剂、紫外光稳定剂的重量比为6：4：7。
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。
Claims (8)
1.一种耐磨高硬度聚碳酸酯镜片，其特征在于，包括聚碳酸酯基片和涂覆于聚碳酸酯基片表面的涂层；所述涂层其原料按重量份包括：硅树脂预聚物80-100份、聚氨酯3-11份、环氧树脂1-5份、甲基丙烯酸羟乙酯0.12-0.25份、聚酯多元醇0.2-1份、乙酰丙酮铝0.1-0.2份、二月桂酸二丁基锡0.05-0.12份、四丁基氢氧化铵0.05-0.25份、甲基六氢苯酐0.2-0.85份、2-甲基咪唑0.01-0.1份、二环脒0.1-0.5份、溶剂13-30份、硅烷偶联剂0.5-1.8份、助剂0.1-0.3份。
2.根据权利要求1所述耐磨高硬度聚碳酸酯镜片，其特征在于，所述硅树脂预聚物是以正硅酸乙酯、甲基三甲氧基硅烷、γ-(2,3-环氧丙氧基)丙基三甲氧基硅烷、γ-氯丙基三甲氧基硅氧烷为单体制备而成的硅树脂预聚物。
3.根据权利要求1或2所述耐磨高硬度聚碳酸酯镜片，其特征在于，所述聚酯多元醇按照以下工艺进行制备：将巯基乙醇加入反应装置中，在氮气的保护下升温至30-35℃，加入氢氧化钾溶液，在25-30℃下保温反应至体系pH值为9-10，加入表氯醇，升温至45-55℃，保温反应1.5-2.5h，后处理得到物料A；在氮气的保护下将十二碳二酸、1,6-己二醇、邻苯二甲酸酐、4,4-(9-芴)二苯酚、物料A、催化剂与二甲苯混合，升温至125-138℃开动搅拌，然后升温至142-155℃搅拌反应30-50min，继续升温至165-190℃保温反应80-100min，然后升温至200-210℃反应至酸值＜1mgKOH/g，减压、降温出料得到所述聚酯多元醇。
4.根据权利要求3所述耐磨高硬度聚碳酸酯镜片，其特征在于，巯基乙醇、表氯醇的重量比为40-50：18-25；十二碳二酸、1,6-己二醇、邻苯二甲酸酐、4,4-(9-芴)二苯酚、物料A、催化剂、二甲苯的重量比为19.6-25：24-35：10-15：3-20：3-11：0.1-0.25：40-55。
5.根据权利要求3或4所述耐磨高硬度聚碳酸酯镜片，其特征在于，所述催化剂为钛酸四丁酯与辛酸亚锡的混合物，且钛酸四丁酯与辛酸亚锡的重量比为2-10：3-7。
6.根据权利要求1-5中任一项所述耐磨高硬度聚碳酸酯镜片，其特征在于，所述溶剂为异丙醇、醋酸丁酯、乙二醇丁醚、丙二醇甲醚的混合物，且异丙醇、醋酸丁酯、乙二醇丁醚、丙二醇甲醚的重量比为3-5：1-4：3-6：1-3。
7.根据权利要求1-6中任一项所述耐磨高硬度聚碳酸酯镜片，其特征在于，所述硅烷偶联剂为硅烷偶联剂KH-560、硅烷偶联剂KH-570的混合物，且硅烷偶联剂KH-560、硅烷偶联剂KH-570的重量比为2-10：5-15。
8.根据权利要求1-7中任一项所述耐磨高硬度聚碳酸酯镜片，其特征在于，所述助剂为流平剂、紫外光吸收剂、紫外光稳定剂的混合物，且流平剂、紫外光吸收剂、紫外光稳定剂的重量比为2-10：1-5：2-11。
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