CN111620814A - 一种高耐光性生物合成的化合物 - Google Patents
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Abstract
Description
技术领域
本发明属于精细化工高新技术功能染料,尤其涉及一种高耐光性生物合成的化合物。
背景技术
天然染料是指从植物、动物、微生物或矿产资源中获取的、不经人工化学合成或加工的染料。天然染料色泽柔和,大多无毒无害,对皮肤没有过敏性和致癌性,具有较好的生物可降解性和环境相容性,除染色功能外,还具有药物、香料等多种功能。
染料吸收光子后被激化,经过一系列光化学反应使结构被破坏,容易发生变色或褪色。因此,染料的化学结构、聚集状态、结合状态决定了纺织品的耐光色牢度。尽管在天然染料染色过程中,使用媒染和一些后处理可以提高染色牢度,但由于天然染料固有的发色基团不稳定性,导致其耐光色牢度差。同时,传统的媒染剂大多含有重金属离子,其中许多被列入生态纺织品禁用名单,甚至其本身还可能直接影响染料的染色效果。
发明内容
本发明的目的是提供一种结构简单、耐光色牢度优良的新型染料化合物,此类化合物可以用于不同领域的着色和添加。
本发明采用的技术方案是:一种高耐光性生物合成化合物,具有分子结构通式:
其中:R1、R2、R3、R4为H、-OH、-NO2、-CN、-NH2、-CH3或者卤素;
具有所述结构式的化合物可用作染色的染料及荧光探针。
优选地,所述化合物A的制备方法如下:先准备好染料制备工程菌培养液,将5g加入到该工程菌培养液中,经24h培养后,收集培养液体,经离心后获得沉淀物质,使用DMSO对沉淀物进行溶解,并去除不溶物,将DMSO蒸发干燥后,得到灰褐色固体粉末即为化合物A,得率92%。
优选地,所述化合物B的制备方法如下:先准备好染料制备工程菌培养液,将5g加入到该工程菌培养液中,经28h培养后,收集培养液体,经离心后获得沉淀物质,使用DMSO对沉淀物进行溶解,并去除不溶物,将DMSO蒸发干燥后,得到深蓝色固体粉末即为化合物B,得率95%。
优选地,所述化合物C、化合物D和化合物E的制备方法如下:先准备好染料制备工程菌培养液,将3g和3g1:1混合后,加入到该工程菌培养液中,经32h培养后,收集培养液体,经离心后获得沉淀物质,使用DMSO对沉淀物进行溶解,并去除不溶物,采用液相处理,分别收集12-15分钟、20-25分钟、30-33分钟流出液,真空干燥后,得到深褐色固体粉末即为化合物C、黄棕色固体粉末即为化合物D、黄褐色固体粉末即为化合物E。
优选地,所述化合物F的制备方法如下:先准备好染料制备工程菌培养液,将5g加入到该工程菌培养液中,经20h培养后,收集培养液体,经离心后获得沉淀物质,使用DMSO对沉淀物进行溶解,并去除不溶物,将DMSO蒸发干燥后,得到黄褐色固体粉末即为化合物F,得率72%。
优选地,所述化合物G的制备方法如下:先准备好染料制备工程菌培养液,将5g加入到该工程菌培养液中,经25h培养后,收集培养液体,经离心后获得沉淀物质,使用DMSO对沉淀物进行溶解,并去除不溶物,将DMSO蒸发干燥后,得到浅黄色固体粉末即为化合物G,得率68%。
本发明中的化合物用作染料时具备的有益效果在于:
(1)具备还原型染料特性,可通过一定反应方式实现溶于水的化合物制备,并通过氧化手段,实现氧化复原,呈现特定颜色;
(2)遵照ISO 105-B02:2013《耐人造光色牢度:氙弧灯试验》可达到远高于传统天然染料,同时优于部分人工化学合成染料的5级及以上耐光色牢度;
(3)安全无毒,原料易得,结构简单,并且能够通过组合生物学的方式规模化生产,易于产业化。
具体实施方式
为了加深对本发明的理解,下面将结合实施例对本发明作进一步详述,该实施例仅用于解释本发明,并不构成对本发明保护范围的限定。
实施例1
染料制备工程菌的准备:
参考CN102952813B(蓝色天然染料的合成方法及提取工艺),制备用于生物合成和转化的工程菌。
实施例2
化合物A的制备:
实施例3
化合物B的制备:
实施例3
化合物C、D、E的制备:
将3g和3g1:1混合后,加入到实施例1中的工程菌培养液中,经32h培养后,收集培养液体,经离心后获得沉淀物质,使用DMSO对沉淀物进行溶解,并去除不溶物,采用液相处理,分别收集12-15分钟、20-25分钟、30-33分钟流出液,真空干燥后,得到深褐色固体粉末(C)、黄棕色固体粉末(D)、黄褐色固体粉末(E)。
实施例4
化合物F的制备:
实施例5
化合物G的制备:
实施例6
以化合物A为例,参照ISO 105-B02:2013《耐人造光色牢度:氙弧灯试验》方案,对以化合物A作为染料进行染色的棉布进行耐光色牢度测定,测定结果为6级。
表1化合物A染色棉织物的各项色牢度
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