CN109574888A - 一种水溶性紫外线吸收剂及其制备方法与应用 - Google Patents

一种水溶性紫外线吸收剂及其制备方法与应用 Download PDF

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CN109574888A
CN109574888A CN201811512040.9A CN201811512040A CN109574888A CN 109574888 A CN109574888 A CN 109574888A CN 201811512040 A CN201811512040 A CN 201811512040A CN 109574888 A CN109574888 A CN 109574888A
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刘汉洲
杨韬
王羽丰
胥庆青
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Suzhou University
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    • A61K8/463Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur containing sulfuric acid derivatives, e.g. sodium lauryl sulfate
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Abstract

本发明公开了一种水溶性紫外线吸收剂及其制备方法与应用,属于化工技术领域。本发明将2‑羟基‑4‑丙烯甲氧基二苯甲酮和氯磺酸溶解在溶剂中,10~100℃反应1~10h,简单有效的制备了一种新型的水溶性紫外线吸收剂,本发明的紫外吸收剂在整个紫外线范围内都有良好的吸收,同时具有良好的水溶性。而且该吸收剂具有双键,可以进行更多的后续反应或者应用。而且该产品毒性小,更利于用于化妆品以及纺织品中。

Description

一种水溶性紫外线吸收剂及其制备方法与应用
技术领域
本发明涉及一种水溶性紫外线吸收剂及其制备方法与应用,属于化工技术领域。
背景技术
紫外线是波长为100-400nm电磁辐射的总称,分为长波紫外线(UVA, 315-400nm)、中波紫外线(UVB,280-315nm)和短波紫外线(UVC,100-280nm),与我们的身体健康与生活密不可分。尤其日光紫外形(UVR)是人类生存环境的一部分,更值得引起关注和研究。
紫外线辐射中UVB部分能够使皮肤中的7-脱氢胆固醇转变为维生素D,对人类健康有益。但是越来越多的科研证明,过多的紫外线照射会对人类造成多种损伤而导致疾病。紫外线是造成皮肤皱纹、老化、松弛、黑斑以及发生皮肤癌的最大元凶。而UVR会引起眼的损害包括对角膜、晶状体、虹膜、相关上皮和结膜的损伤长时间暴露于短波长UVR,会造成晶状体光化学损伤,引起白内障的发生。另外紫外线还会造成一些高分子聚合物的降解,如造成电缆、电线的老化。
随着人们对健康品质要求的提高和对紫外线危害的认识的加深,抗紫外相关的研究和产品成为近年来的研究热点。目前主要集中在抗紫外纤维、抗紫外塑料、抗紫外薄膜、抗紫外涂料、抗老化电线电缆以及防晒化妆品等领域。紫外吸收剂可吸收紫外光,使其转化为荧光、磷光或热能形式释放出去,相对于紫外屏蔽剂,紫外吸收剂具有更多的种类和设计空间,其相应的衍生物,具有丰富的化学基团,可以满足不同使用环境的需求。
目前小分子紫外吸收剂与高分子化合物的相容性很差,耐热和耐候性也较差。而且大多数紫外吸收剂都是油溶性的,几乎不溶于水。如果应用于化妆品领域,会造成团聚不均匀,并容易使皮肤出油。在纺织品领域,油溶性紫外吸收剂会使用有机溶剂整理到纺织品上,会对环境产生负担和危害。在涂料领域,水溶性涂料是主要的发展趋势。因此新型水溶性紫外吸收剂也成为研究热点之一。现有的水溶性抗紫外吸收剂种类很少,有研究关于用糖基改性的水溶性抗紫外吸收剂,但是用糖基改性的紫外吸收剂,工业较繁琐,不利于大规模生产。
发明内容
为解决上述技术问题,本发明提供一种新型的水溶性紫外吸收剂。
本发明的第一个目的是提供一种水溶性紫外吸收剂,具有如下结构式:
本发明的第二个目的是提供所述的水溶性紫外吸收剂的制备方法,包括如下步骤:
将2-羟基-4-丙烯甲氧基二苯甲酮和氯磺酸溶解在溶剂中,20~75℃反应 1~8h,得到水溶性紫外吸收剂。
进一步地,所述的2-羟基-4-丙烯甲氧基二苯甲酮和氯磺酸的摩尔比为 1:1~3。
进一步地,所述的溶剂为二氯甲烷、三氯甲烷或四氯甲烷。
进一步地,所述方法还包括后处理步骤,具体包括如下步骤:向反应后的溶液中加入过量的碳酸钠,搅拌反应后过滤,过滤后的溶液中加入同体积的水进行萃取,然后分液取水溶液,重复2~4次,合并后的水溶液经旋转蒸发得到紫外线吸收剂。
进一步地,萃取采用的水为去离子水。
本发明的第三个目的是提供所述的水溶性紫外吸收剂在纺织品、化妆品或涂料中的应用。
本发明的有益效果是:
本发明简单有效的制备了一种新型的水溶性紫外线吸收剂,本发明的紫外吸收剂在整个紫外线范围内都有良好的吸收,同时具有良好的水溶性。而且该吸收剂具有双键,可以进行更多的后续反应或者应用。而且该产品毒性小,更利于用于化妆品以及纺织品中。
附图说明
图1为原料和产品的1HNMR光谱图;
图2为原料和产品的13CNMR光谱图;
图3为水溶性紫外吸收剂的紫外可见吸收光谱。
具体实施方式
下面结合实施例,对本发明的具体实施方式作进一步详细描述。以下实施例用于说明本发明,但不用来限制本发明的范围。
实施例1:
在二氯甲烷中,溶解1份的2-羟基-4-丙烯甲氧基二苯甲酮,然后加入1份氯磺酸,在20℃反应1小时。然后反应后的溶液,加入过量的碳酸钠,搅拌反应半小时后,过滤获得清液。清夜加入等量的水,然后分液取水溶液。水溶液在80℃,旋转蒸发仪下获得浅黄色粉末。黄色粉末干燥后即为紫外线吸收剂。产品的产率为12.5%。
实施例2:
在四氯甲烷中,溶解1份的2-羟基-4-丙烯甲氧基二苯甲酮,然后加入3份氯磺酸,在75℃反应8小时。然后反应后的溶液,加入过量的碳酸钠,搅拌反应半小时后,过滤获得清液。清夜加入等量的水,然后分液取水溶液。水溶液在80℃,旋转蒸发仪下获得浅黄色粉末。黄色粉末干燥后即为紫外线吸收剂。产品的产率为90.5%。原料和产品的1HNMR光谱图和13CNMR光谱图如图1 和图2所示。
实施例3:
在三氯甲烷中,溶解1份的2-羟基-4-丙烯甲氧基二苯甲酮,然后加入1.5 份氯磺酸,在50℃反应4小时。然后反应后的溶液,加入过量的碳酸钠,搅拌反应半小时后,过滤获得清液。清夜加入等量的水,然后分液取水溶液。水溶液在80℃,旋转蒸发仪下获得浅黄色粉末。黄色粉末干燥后即为紫外线吸收剂。产品的产率为86%。
紫外吸收光谱:将紫外吸收剂溶剂到水中,浓度为1mg/g。利用日本岛津 UV-600紫外可见光分光光度计上进行200-760的全波段扫描,测量其吸收光谱。
紫外可见吸收光谱如图3所示:可以看到,在整个紫外线范围内都有良好的吸收。同时具有良好的水溶性。
以上所述实施例仅是为充分说明本发明而所举的较佳的实施例,本发明的保护范围不限于此。本技术领域的技术人员在本发明基础上所作的等同替代或变换,均在本发明的保护范围之内。本发明的保护范围以权利要求书为准。

Claims (9)

1.一种水溶性紫外吸收剂,其特征在于,具有如下结构式:
2.一种权利要求1所述的水溶性紫外吸收剂的制备方法,其特征在于,包括如下步骤:
将2-羟基-4-丙烯甲氧基二苯甲酮和氯磺酸溶解在溶剂中,10~100℃反应1~10h,得到水溶性紫外吸收剂。
3.根据权利要求2所述的方法,其特征在于,所述的2-羟基-4-丙烯甲氧基二苯甲酮和氯磺酸的摩尔比为1:1~3。
4.根据权利要求2所述的方法,其特征在于,所述的溶剂为二氯甲烷、三氯甲烷或四氯甲烷。
5.根据权利要求2所述的方法,其特征在于,所述方法还包括后处理步骤,具体包括如下步骤:向反应后的溶液中加入过量的碳酸钠,搅拌反应后过滤,过滤后的溶液中加入水进行萃取,将水相溶液蒸发得到紫外线吸收剂。
6.根据权利要求5所述的方法,其特征在于,所述的搅拌反应时间为0.5~2h。
7.根据权利要求5所述的方法,其特征在于,所述的萃取的次数为2~4次。
8.根据权利要求5所述的方法,其特征在于,所述的蒸发为旋转蒸发。
9.权利要求1所述的水溶性紫外吸收剂在纺织品、化妆品或涂料中的应用。
CN201811512040.9A 2018-12-11 2018-12-11 一种水溶性紫外线吸收剂及其制备方法与应用 Pending CN109574888A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111269124B (zh) * 2020-02-11 2022-10-28 浙江理工大学 一种反应型紫外线吸收剂及其制备方法与应用
CN115772343A (zh) * 2022-12-02 2023-03-10 江苏德威涂料有限公司 一种水溶性紫外吸收剂及其制备方法和应用

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US3215665A (en) * 1963-03-28 1965-11-02 American Cyanamid Co Resinous compositions
CN104262209A (zh) * 2014-09-02 2015-01-07 湖北师范学院 水溶性紫外线吸收剂bp-9的合成方法
CN105384768A (zh) * 2015-11-27 2016-03-09 陕西省石油化工研究设计院 一种含二苯甲酮基团硅烷的制备方法

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US3215665A (en) * 1963-03-28 1965-11-02 American Cyanamid Co Resinous compositions
CN104262209A (zh) * 2014-09-02 2015-01-07 湖北师范学院 水溶性紫外线吸收剂bp-9的合成方法
CN105384768A (zh) * 2015-11-27 2016-03-09 陕西省石油化工研究设计院 一种含二苯甲酮基团硅烷的制备方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111269124B (zh) * 2020-02-11 2022-10-28 浙江理工大学 一种反应型紫外线吸收剂及其制备方法与应用
CN115772343A (zh) * 2022-12-02 2023-03-10 江苏德威涂料有限公司 一种水溶性紫外吸收剂及其制备方法和应用
CN115772343B (zh) * 2022-12-02 2024-04-12 江苏德威涂料有限公司 一种水溶性紫外吸收剂及其制备方法和应用

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