CN106400504B - 一种用于尼龙织物超亲水整理剂及其制备方法 - Google Patents
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Abstract
本发明涉及一种整理剂,尤其是涉及一种用于尼龙织物超亲水整理剂及其制备方法。由端氢聚二甲基硅氧烷、烯丙基聚乙二醇1000(APEG1000)、氯铂酸、六亚甲基二异氰酸酯(HDI)、1,6‑己二醇为原料合成。其结构通式如下所示。本发明采用烯丙基聚乙二醇为亲水链段,赋予织物极佳的亲水性能,采用六亚甲基二异氰酸酯与1,6‑己二醇反应扩链,引入与尼龙纤维相似分子链段,整理时易形成共晶结构,提高织物整理效果的耐水洗牢度,同时聚硅氧烷链段的引入提高了整理后织物的柔软性。
Description
技术领域
本发明涉及一种整理剂,尤其是涉及一种用于尼龙织物超亲水整理剂及其制备方法。
背景技术
传统嵌段硅油一般有三种合成路线:一是含氢硅油与烯丙基聚氧乙烯环氧基醚加成,然后再与聚醚胺反应;二是环氧双封头与D4用碱催化剂催化聚合,生成的端环氧硅油再与聚醚胺反应;三是氨基双封头与D4用碱催化剂催化聚合,生成的端氨基硅油再与端环氧聚醚反应。这三种合成方法所做出的嵌段硅油不仅风格优异,而且从根本上避免了一般有机硅乳液在使用过程中出现破乳漂油的现象,但整理后织物的亲水性差。尤其是在尼龙织物上使用时,整理液对织物的吸附量少,使得整理后织物的柔软性、亲水性和耐水洗牢度均不理想。为改善亲水性,研究者在聚硅氧烷的侧链上引入聚醚链段,随着不饱和聚醚用量的增大,不仅柔软性及滑爽性大幅度下降,同时耐洗性也随之降低。所以,要平衡柔软性、亲水性和耐水洗牢度这三方面性能,在合成工艺及原料选择上就必须提出更高要求。
发明内容
本发明目的是客服现有技术的不足,提供一种超亲水且柔软性和耐久性好的一种用于尼龙织物超亲水整理剂及其制备方法。
为了实现上述目的,本发明采用以下技术方案:
一种用于尼龙织物超亲水整理剂,按以下步骤进行:包括以下物质,按重量份进行配比:
端氢聚二甲基硅氧烷80~100份、烯丙基聚乙二醇1000 60~150份、氯铂酸0.001~0.002份、六亚甲基二异氰酸酯16~24份、1,6-己二醇4~9份、异丙醇50~100份、去离子水350~650份。
一种用于尼龙织物超亲水整理剂的制备方法,按以下步骤进行:
1)、将端氢聚二甲基硅氧烷和烯丙基聚乙二醇1000加入到反应容器中,加热至80~90℃,加入氯铂酸后在110~120℃下保温2~3h;
2)、步骤(1)后,降温至80~90℃,开启真空,真空度为-0.05~-0.08Mpa下除水1~1.5h;
3)、步骤(2)后关闭真空,滴加六亚甲基二异氰酸酯,滴加完后在80~85℃下保温2~3h;
4)、步骤(3)加入1,6-己二醇,80~85℃下保温2~3h后降温至50℃以下加入异丙醇,搅拌0.5h后缓慢加入去离子水高速搅拌,得到尼龙织物超亲水整理剂,其结构通式如下;
其中,R2、20<n<40,20<m<25、p>1。
作为优选,所述端氢聚二甲基硅氧烷分子量为1600、2200、3000中的一种。
本发明采用烯丙基聚乙二醇为亲水链段,具有优异的吸湿性,能赋予织物极佳的亲水性能;采用六亚甲基二异氰酸酯与1,6-己二醇反应扩链,形成与尼龙纤维类似的六亚甲基链段,整理剂分子易与尼龙纤维形成共晶结构,同时六亚甲基二异氰酸酯与1,6-己二醇反应生成的氨基甲酸酯基具有较强的极性,整理时促进整理剂在尼龙纤维上吸附,从而提高织物整理效果的耐水洗牢度;采用聚二甲基硅氧烷链段为软链段,提高了整理后织物的柔软性。
附图说明
图1为本发明中实施例1的红外谱图;
图2为本发明中实施例2的红外谱图;
图3为本发明中实施例3的红外谱图。
具体实施方式
下面通过具体实施方式,对本发明做进一步的描述。
实施例1:将80份分子量1600的端氢聚二甲基硅氧烷和100份烯丙基聚乙二醇1000加入到反应容器中,加热至90℃,加入0.0012份氯铂酸后在115℃下保温2h;降温至90℃,开启真空,真空度为-0.07Mpa下除水1h;关闭真空,滴加16.8份六亚甲基二异氰酸酯,滴加完后在85℃下保温3h;加入5.9份1,6-己二醇,80℃下保温2h,降温至50℃以下加入60份异丙醇,搅拌0.5h,高速搅拌下缓慢加入415份去离子水,得到尼龙织物超亲水整理剂。
参见附图1,它是本实施例中尼龙织物超亲水整理剂的红外谱图。2256.79cm-1处为剩余-NCO基团的特征吸收峰,1719.57cm-1和1532.90cm-1两处为-NH-COO-的特征吸收峰,在1258.83cm-1和864.28cm-1处出现三个吸收峰,为有机硅链段中Si-CH3、Si-OCH2CH3的特征吸收峰,1000cm-1~1130cm-1处为Si-O-Si的吸收峰,以上分析均表明目标产物成功获得。
实施例2:将100份分子量2200的端氢聚二甲基硅氧烷和110份烯丙基聚乙二醇1000加入到反应容器中,加热至90℃,加入0.0015份氯铂酸后在120℃下保温2h;降温至90℃,开启真空,真空度为-0.08Mpa下除水1h;关闭真空,滴加16.8份六亚甲基二异氰酸酯,滴加完后在85℃下保温3h;加入6份1,6-己二醇,85℃下保温2h后降温至50℃以下加入70份异丙醇,搅拌0.5h,高速搅拌下缓慢加入470份去离子水,得到尼龙织物超亲水整理剂。
参见附图2,它是本实施例中尼龙织物超亲水整理剂的红外谱图。2257.38cm-1处为剩余-NCO基团的特征吸收峰,1719.80cm-1和1536.48cm-1两处为-NH-COO-的特征吸收峰,在1259.06cm-1和863.06cm-1处出现三个吸收峰,为有机硅链段中Si-CH3、Si-OCH2CH3的特征吸收峰,1000cm-1~1130cm-1处为Si-O-Si的吸收峰,以上分析均表明目标产物成功获得。
实施例3:将100份分子量3000的端氢聚二甲基硅氧烷和80份烯丙基聚乙二醇1000加入到反应容器中,加热至90℃,加入0.0012份氯铂酸后在120℃下保温3h;降温至90℃,开启真空,真空度为-0.08Mpa下除水1h;关闭真空,滴加16份六亚甲基二异氰酸酯,滴加完后在83℃下保温3h;加入4.2份1,6-己二醇,85℃下保温2h后降温至50℃以下加入60份异丙醇,搅拌0.5h,高速搅拌下缓慢加入400份去离子水,得到尼龙织物超亲水整理剂。
参见附图3,它是本实施例中尼龙织物超亲水整理剂的红外谱图。2257.56cm-1处为剩余-NCO基团的特征吸收峰,1719.91cm-1和1532.90cm-1两处为-NH-COO-的特征吸收峰,在1258.65cm-1和864.03cm-1处出现三个吸收峰,为有机硅链段中Si-CH3、Si-OCH2CH3的特征吸收峰,1000cm-1~1130cm-1处为Si-O-Si的吸收峰,以上分析均表明目标产物成功获得。
将上述实施例所得到的产品对纺织品进行整理,主要测试整理后纺织品的亲水性和柔软性。
1、整理工艺:
所用织物:尼龙四面弹织物。
整理工艺流程:浸轧工作液(尼龙织物超亲水整理剂30g/L,轧余率60%)→焙烘(190℃×40s)→回潮24h→测试。
2、应用性能测试:
亲水性参考AATCC 79—2010《漂白纺织品吸水性》进行测试。
柔软性评价用手触摸法评定,采用1~5分评判法,1分最差,5分最好,三人同时评定,取平均分。
本发明的尼龙织物超亲水整理剂应用性能测试结果如表1所示:
表1尼龙织物超亲水整理剂应用性能测试结果
由上表可以看出,经本发明超亲水整理剂整理后的尼龙织物亲水性由12.4s提高至2~3s,柔软性提高2~3分。经5次水洗后亲水性下降幅度较小,柔软性下降1分左右,说明该整理剂的耐水洗牢度较好。
Claims (3)
1.一种用于尼龙织物超亲水整理剂,其特征在于按以下步骤进行:包括以下物质,按重量份进行配比:
端氢聚二甲基硅氧烷80~100份、烯丙基聚乙二醇1000 60~150份、氯铂酸0.001~0.002份、六亚甲基二异氰酸酯16~24份、1,6-己二醇4~9份、异丙醇50~100份、去离子水350~650份。
2.一种根据权利要求1所述的用于尼龙织物超亲水整理剂的制备方法,其特征在于按以下步骤进行:
1)、将端氢聚二甲基硅氧烷和烯丙基聚乙二醇1000加入到反应容器中,加热至80~90℃,加入氯铂酸后在110~120℃下保温2~3h;
2)、步骤(1)后,降温至80~90℃,开启真空,真空度为-0.05~-0.08Mpa下除水1~1.5h;
3)、步骤(2)后关闭真空,滴加六亚甲基二异氰酸酯,滴加完后在80~85℃下保温2~3h;
4)、步骤(3)加入1,6-己二醇,80~85℃下保温2~3h后降温至50℃以下加入异丙醇,搅拌0.5h后缓慢加入去离子水高速搅拌,得到尼龙织物超亲水整理剂,其结构通式如下;
其中,R2、20<n<40,20<m<25、p>1。
3.根据权利要求2所述的一种用于尼龙织物超亲水整理剂的制备方法,其特征在于:所述端氢聚二甲基硅氧烷分子量为1600、2200、3000中的一种。
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