CN116278255B - 一种基于改性涤纶长丝的防皱舒爽面料的制备方法、面料 - Google Patents
一种基于改性涤纶长丝的防皱舒爽面料的制备方法、面料 Download PDFInfo
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- CN116278255B CN116278255B CN202310547092.4A CN202310547092A CN116278255B CN 116278255 B CN116278255 B CN 116278255B CN 202310547092 A CN202310547092 A CN 202310547092A CN 116278255 B CN116278255 B CN 116278255B
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- SXYFKXOFMCIXQW-UHFFFAOYSA-N propanedioyl dichloride Chemical compound ClC(=O)CC(Cl)=O SXYFKXOFMCIXQW-UHFFFAOYSA-N 0.000 claims description 36
- 229920002565 Polyethylene Glycol 400 Polymers 0.000 claims description 35
- 239000011259 mixed solution Substances 0.000 claims description 35
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 32
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- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 29
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- ZBKFYXZXZJPWNQ-UHFFFAOYSA-N isothiocyanate group Chemical group [N-]=C=S ZBKFYXZXZJPWNQ-UHFFFAOYSA-N 0.000 description 3
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- 125000003277 amino group Chemical group 0.000 description 2
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
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- 125000001841 imino group Chemical group [H]N=* 0.000 description 1
- 239000012802 nanoclay Substances 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920002578 polythiourethane polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
Classifications
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Landscapes
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Abstract
本发明公开了一种基于改性涤纶长丝的防皱舒爽面料的制备方法、面料。本发明制得的基于改性涤纶长丝的防皱舒爽面料,以竹纤维面料作为内层面料,具有良好的抗皱性、抑菌性和吸湿透气性,有微弹力,与皮肤直接接触,柔软亲肤,PET树脂经过改性处理,制得的改性涤纶长丝纺成的改性涤纶面料作为外层面料,除了具有涤纶自身的优异的防皱性,还具有良好的柔软性、吸湿性和抗静电性,与竹纤维面料配合能够快速将人体表面的汗液、水蒸气通过面料传导出去并快速蒸发,并且解决了涤纶面料容易产生静电带来的不适感,实现舒爽的穿着感。
Description
技术领域
本发明涉及面料技术领域,具体涉及一种基于改性涤纶长丝的防皱舒爽面料的制备方法、面料。
背景技术
随着现代纺织技术不断发展和人们对生活需求的提升,服装的舒适性与功能性越来越受到消费者的重视。对服装的穿着舒爽性、防皱保型性等都有较高的要求。涤纶纤维材质的面料具有弹性好、抗皱保形性好等特点,被广泛用于制作各类服装。但是涤纶材质的面料由于回潮率低、吸湿透气性差,穿着后具有闷热粘体感、易产生静电、易吸污并滋生细菌等缺点,穿着舒适性差。因此,需要提高涤纶材质的面料的性能。
中国专利CN102733168B公开了一种舒适凉爽型涤纶仿真丝织物的后处理方法,通过提供一种不仅能提高涤纶仿真丝织物的吸湿性和透气性而且能提高其功能耐久性的整理剂及后处理方法用于涤纶织物的后整理,碱减量处理能够改善涤纶织物的手感,用整理液进行浸轧整理,能够提高涤纶织物的透气性、吸湿性及手感;但是碱减量处理可能造成涤纶的分子链断裂,降低涤纶织物的强度,而整理液通过浸轧整理实现对涤纶织物性能的改善,但是随着涤纶织物使用时间的增长,整理液中的有效组分会逐渐从涤纶纤维表面脱落,使透气性、吸湿性不断下降,手感变差。
中国专利CN106120016B公开了一种呈异形截面且具有吸湿排汗功能的涤纶,所述呈异形截面且具有吸湿排汗功能的涤纶,通过纳米二氧化钛、竹炭粉、纳米陶土、植物油对亲水性聚酯切片进行共混改性、熔融纺丝制得,由于喷丝板的喷丝孔为十字型,制得的涤纶纤维呈异形截面,由于纤维的表面积和空隙增加,回潮率增加,吸湿性能增强,但是仅改变纤维的截面形状对涤纶纤维的吸湿排汗性能改善作用较小。
发明内容
本发明针对现有技术的不足,提供一种基于改性涤纶长丝的防皱舒爽面料的制备方法、面料,来解决现有技术中基于涤纶纤维的面料吸湿性差、易产生静电等问题。
为了实现上述目的,本发明采用的技术方案如下:
一种基于改性涤纶长丝的防皱舒爽面料的制备方法,包括以下步骤:
步骤一、制备异硫氰酸酯封端的酯化PEG和脂肪酰胺;
其中,制备异硫氰酸酯封端的酯化PEG包括以下步骤:
S1、将PEG(聚乙二醇)中加入到二氯甲烷中,通入惰性气体,搅拌至PEG溶解完全,加入吡啶,混合均匀后,滴加丙二酰氯与二氯甲烷的混合液,滴加完成后,反应,反应后,纯化,得到酯化PEG;
S2、将酯化PEG、2,6-甲苯二异硫氰酸酯加入到二氯甲烷中,反应,反应后,纯化,得到异硫氰酸酯封端的酯化PEG;
其中,制备脂肪酰胺包括以下步骤:
将十八烷酸加热熔融,得到十八烷酸熔融液,将二乙烯三胺加入十八烷酸熔融液中,在惰性气体保护下加热反应,得到脂肪酰胺;
步骤二、将异硫氰酸酯封端的酯化PEG和脂肪酰胺加入到有机溶剂中,反应,得到反应中间体悬浮液;向反应中间体悬浮液中加入碱液,然后搅拌下滴加氧化剂水溶液,滴加结束后,保温反应,反应后,纯化,得到复合改性剂;
步骤三、将复合改性剂与PET树脂(聚对苯二甲酸乙二醇酯)按质量比(1-5):(95-99)混合,熔融纺丝,制得改性涤纶长丝;
步骤四、将改性涤纶长丝纺成改性涤纶面料,将竹纤维纺成竹纤维纱线,将竹纤维纱线纺成竹纤维面料,将改性涤纶面料与竹纤维面料缝制成具有双层结构的基于改性涤纶长丝的防皱舒爽面料;其中,竹纤维面料作为内层面料,改性涤纶面料作为外层面料。
优选地,所述步骤一中,制备异硫氰酸酯封端的酯化PEG时,S1中:PEG、丙二酰氯、吡啶和二氯甲烷的摩尔比为(1.1-1.5):1:2.1:(800-1200),反应条件为30-35℃反应12-15h。
优选地,所述PEG包括PEG-400、PEG-600中的任一种。
优选地,所述丙二酰氯与二氯甲烷的混合液中丙二酰氯的质量体积含量为0.25g/100mL。
优选地,所述丙二酰氯与二氯甲烷的混合液的滴加速度为30-40滴/min。
优选地,所述惰性气体包括氮气。
优选地,所述纯化包括水洗、旋蒸。
优选地,所述步骤一中,制备异硫氰酸酯封端的酯化PEG时,S2中:酯化PEG、2,6-甲苯二异硫氰酸酯、二氯甲烷的摩尔比为1:(2-2.2):(1000-1600),反应条件为35-45℃反应1.5-2.5h。
优选地,所述纯化包括旋蒸。
优选地,所述步骤一中,制备脂肪酰胺时,十八烷酸与二乙烯三胺的摩尔比为1:(1.1-1.3),加热反应的条件为175-185℃反应2.5-3h。
优选地,所述惰性气体包括氮气。
优选地,所述步骤二中,异硫氰酸酯封端的酯化PEG、脂肪酰胺、有机溶剂的摩尔比为1:(1-1.1):(1200-1800),反应条件为70-90℃温度下反应6-8h;碱液包括氢氧化钠水溶液,碱液的加入量为异硫氰酸酯封端的酯化PEG与脂肪酰胺质量和的30%-50%;氧化剂水溶液包括次氯酸钠水溶液,氧化剂水溶液的滴加量为异硫氰酸酯封端的酯化PEG与脂肪酰胺质量和的50%-75%;氧化剂水溶液的滴加速度为控制反应体系温度不超过50℃;保温反应的条件为40℃温度下保温反应3-4h。
优选地,所述碱液的浓度为30%wt;所述氧化剂水溶液的浓度为10%wt。
优选地,所述有机溶剂包括氯仿。
优选地,所述纯化包括水洗、减压蒸馏。
优选地,所述步骤三中熔融纺丝工艺包括:熔融纺丝温度为290-295℃,牵伸倍数为1.8-2.2倍,热定型温度150℃。
优选地,所述步骤四中,改性涤纶面料的克重为80-90g/m2,竹纤维纱线的纱支数为40-50S(英制支数),竹纤维面料的克重为80-90g/m2。
优选地,采用上述基于改性涤纶长丝的防皱舒爽面料的制备方法制备得到的基于改性涤纶长丝的防皱舒爽面料。
与现有技术相比,本发明的有益效果为:本发明制得的基于改性涤纶长丝的防皱舒爽面料,以竹纤维面料作为内层面料,具有良好的抗皱性、抑菌性和吸湿透气性,有微弹力,与皮肤直接接触,柔软亲肤,PET树脂经过改性处理,制得的改性涤纶长丝纺成的改性涤纶面料作为外层面料,除了具有涤纶自身的优异的防皱性,还具有良好的柔软性、吸湿性和抗静电性,改性涤纶面料与竹纤维面料菌采用针织工艺制备,面料的透气性好,两种面料配合能够快速将人体表面的汗液、水蒸气通过面料传导出去并快速蒸发,并且解决了涤纶面料容易产生静电带来的不适感,实现舒爽的穿着体感;本发明中,过量的PEG与丙二酰氯反应,得到含有端羟基的酯化PEG,含有端羟基的酯化PEG与过量的2,6-甲苯二异硫氰酸酯反应,得到异硫氰酸酯封端的酯化PEG,利用异硫氰酸酯封端的酯化PEG分子中的醚键和酯键的吸水性能,使其具有良好的抗静电性;异硫氰酸酯封端的酯化PEG与脂肪酰胺的反应得到复合改性剂,异硫氰酸酯封端的酯化PEG分子链端位上的异硫氰酸酯基与脂肪酰胺分子上的氨基反应使异硫氰酸酯封端,得到耐久型的复合改性剂,该复合改性剂既能改善涤纶的亲水性、抗静电性,在脂肪酰胺的作用下,还能提高涤纶的柔软性。
附图说明
图1为本发明中改性涤纶长丝的制备工艺流程图;
图2为本发明中基于改性涤纶长丝的防皱舒爽面料的制备工艺示意图;
图3为本发明中PEG与丙二酰氯反应制备酯化PEG的反应示意图;
图4为本发明中酯化PEG与2,6-甲苯二异硫氰酸酯反应制备异硫氰酸酯封端的酯化PEG的反应示意图;
图5为本发明中制备复合改性剂时异硫氰酸酯封端的酯化PEG分子链端位上的异硫氰酸酯基与脂肪酰胺分子上的氨基反应的示意图。
具体实施方式
下面将结合本发明实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例,基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1
一种基于改性涤纶长丝的防皱舒爽面料的制备方法,包括以下步骤:
步骤一、制备异硫氰酸酯封端的酯化PEG和脂肪酰胺;
其中,制备异硫氰酸酯封端的酯化PEG包括以下步骤:
S1、将PEG-400中加入到二氯甲烷中,通入氮气,搅拌至PEG-400溶解完全,加入吡啶,混合均匀后,按照30滴/min的速度滴加丙二酰氯与二氯甲烷的混合液,滴加完成后,30℃反应15h,得到反应后的混合液,向反应后的混合液中加入反应后的混合液质量30%的去离子水进行水洗,静置分层后取有机相,30℃旋蒸去除有机相中的二氯甲烷,得到酯化PEG-400;PEG-400、丙二酰氯、吡啶和二氯甲烷的摩尔比为1.1:1:2.1:800;丙二酰氯与二氯甲烷的混合液中丙二酰氯的质量体积含量为0.25g/100mL;
S2、将酯化PEG-400、2,6-甲苯二异硫氰酸酯加入到二氯甲烷中,酯化PEG-400、2,6-甲苯二异硫氰酸酯、二氯甲烷的摩尔比为1:2:1000,35℃反应2.5h,反应后,30℃旋蒸去除二氯甲烷,得到异硫氰酸酯封端的酯化PEG;
其中,制备脂肪酰胺包括以下步骤:
将十八烷酸在80℃加热熔融,得到十八烷酸熔融液,将二乙烯三胺加入十八烷酸熔融液中,十八烷酸与二乙烯三胺的摩尔比为1:1.1,在氮气保护下175℃加热反应3h,得到脂肪酰胺;
步骤二、将异硫氰酸酯封端的酯化PEG和脂肪酰胺加入到氯仿中,异硫氰酸酯封端的酯化PEG、脂肪酰胺、氯仿的摩尔比为1:1:1200,70℃反应8h,得到反应中间体悬浮液;向反应中间体悬浮液中加入异硫氰酸酯封端的酯化PEG与脂肪酰胺质量和的30%的30%wt氢氧化钠水溶液,然后搅拌下滴加异硫氰酸酯封端的酯化PEG与脂肪酰胺质量和的50%的10%wt次氯酸钠水溶液,滴加速度为控制反应体系温度不超过50℃,滴加结束后,40℃温度下保温反应3h,反应后,向反应后得到的混合物加入质量为氯仿的质量1倍的去离子水,混合后抽滤,滤液静置分层,留取有机相,有机相在50℃温度下,0.05MPa压力下蒸除氯仿,得到复合改性剂;
步骤三、将复合改性剂与PET树脂按质量比1:99混合,熔融纺丝,制得改性涤纶长丝;熔融纺丝工艺包括:熔融纺丝温度为290℃,牵伸倍数为1.8倍,热定型温度150℃;制得的改性涤纶长丝的细度为15D;
步骤四、将改性涤纶长丝通过针织工艺纺成克重为80g/m2的改性涤纶面料,将竹纤维纺成纱支数为40S的竹纤维纱线,将竹纤维纱线通过针织工艺纺成克重为80g/m2的竹纤维面料,将改性涤纶面料与竹纤维面料使用改性涤纶长丝缝制成具有双层结构的基于改性涤纶长丝的防皱舒爽面料;其中,竹纤维面料作为内层面料,改性涤纶面料作为外层面料。
实施例2
一种基于改性涤纶长丝的防皱舒爽面料的制备方法,包括以下步骤:
步骤一、制备异硫氰酸酯封端的酯化PEG和脂肪酰胺;
其中,制备异硫氰酸酯封端的酯化PEG包括以下步骤:
S1、将PEG-400中加入到二氯甲烷中,通入氮气,搅拌至PEG-400溶解完全,加入吡啶,混合均匀后,按照40滴/min的速度滴加丙二酰氯与二氯甲烷的混合液,滴加完成后,35℃反应12h,得到反应后的混合液,向反应后的混合液中加入反应后的混合液质量50%的去离子水进行水洗,静置分层后取有机相,30℃旋蒸去除有机相中的二氯甲烷,得到酯化PEG-400;PEG-400、丙二酰氯、吡啶和二氯甲烷的摩尔比为1.5:1:2.1:1200;丙二酰氯与二氯甲烷的混合液中丙二酰氯的质量体积含量为0.25g/100mL;
S2、将酯化PEG-400、2,6-甲苯二异硫氰酸酯加入到二氯甲烷中,酯化PEG-400、2,6-甲苯二异硫氰酸酯、二氯甲烷的摩尔比为1:2.2:1600,45℃反应1.5h,反应后,30℃旋蒸去除二氯甲烷,得到异硫氰酸酯封端的酯化PEG;
其中,制备脂肪酰胺包括以下步骤:
将十八烷酸在80℃加热熔融,得到十八烷酸熔融液,将二乙烯三胺加入十八烷酸熔融液中,十八烷酸与二乙烯三胺的摩尔比为1:1.3,在氮气保护下185℃加热反应2.5h,得到脂肪酰胺;
步骤二、将异硫氰酸酯封端的酯化PEG和脂肪酰胺加入到氯仿中,异硫氰酸酯封端的酯化PEG、脂肪酰胺、氯仿的摩尔比为1:1.1:1800,90℃反应6h,得到反应中间体悬浮液;向反应中间体悬浮液中加入异硫氰酸酯封端的酯化PEG与脂肪酰胺质量和的50%的30%wt氢氧化钠水溶液,然后搅拌下滴加异硫氰酸酯封端的酯化PEG与脂肪酰胺质量和的75%的10%wt次氯酸钠水溶液,滴加速度为控制反应体系温度不超过50℃,滴加结束后,40℃温度下保温反应4h,反应后,向反应后得到的混合物加入质量为氯仿的质量1倍的去离子水,混合后抽滤,滤液静置分层,留取有机相,有机相在50℃温度下,0.05MPa压力下蒸除氯仿,得到复合改性剂;
步骤三、将复合改性剂与PET树脂按质量比5:95混合,熔融纺丝,制得改性涤纶长丝;熔融纺丝工艺包括:熔融纺丝温度为295℃,牵伸倍数为2.2倍,热定型温度150℃;制得的改性涤纶长丝的细度为15D;
步骤四、将改性涤纶长丝通过针织工艺纺成克重为90g/m2的改性涤纶面料,将竹纤维纺成纱支数为50S的竹纤维纱线,将竹纤维纱线通过针织工艺纺成克重为90g/m2的竹纤维面料,将改性涤纶面料与竹纤维面料使用改性涤纶长丝缝制成具有双层结构的基于改性涤纶长丝的防皱舒爽面料;其中,竹纤维面料作为内层面料,改性涤纶面料作为外层面料。
实施例3
一种基于改性涤纶长丝的防皱舒爽面料的制备方法,包括以下步骤:
步骤一、制备异硫氰酸酯封端的酯化PEG和脂肪酰胺;
其中,制备异硫氰酸酯封端的酯化PEG包括以下步骤:
S1、将PEG-400中加入到二氯甲烷中,通入氮气,搅拌至PEG-400溶解完全,加入吡啶,混合均匀后,按照35滴/min的速度滴加丙二酰氯与二氯甲烷的混合液,滴加完成后,35℃反应13h,得到反应后的混合液,向反应后的混合液中加入反应后的混合液质量40%的去离子水进行水洗,静置分层后取有机相,30℃旋蒸去除有机相中的二氯甲烷,得到酯化PEG-400;PEG-400、丙二酰氯、吡啶和二氯甲烷的摩尔比为1.3:1:2.1:1000;丙二酰氯与二氯甲烷的混合液中丙二酰氯的质量体积含量为0.25g/100mL;
S2、将酯化PEG-400、2,6-甲苯二异硫氰酸酯加入到二氯甲烷中,酯化PEG-400、2,6-甲苯二异硫氰酸酯、二氯甲烷的摩尔比为1:2.1:1300,40℃反应2h,反应后,30℃旋蒸去除二氯甲烷,得到异硫氰酸酯封端的酯化PEG;
其中,制备脂肪酰胺包括以下步骤:
将十八烷酸在80℃加热熔融,得到十八烷酸熔融液,将二乙烯三胺加入十八烷酸熔融液中,十八烷酸与二乙烯三胺的摩尔比为1:1.2,在氮气保护下180℃加热反应3h,得到脂肪酰胺;
步骤二、将异硫氰酸酯封端的酯化PEG和脂肪酰胺加入到氯仿中,异硫氰酸酯封端的酯化PEG、脂肪酰胺、氯仿的摩尔比为1:1.05:1500,80℃反应7h,得到反应中间体悬浮液;向反应中间体悬浮液中加入异硫氰酸酯封端的酯化PEG与脂肪酰胺质量和的40%的30%wt氢氧化钠水溶液,然后搅拌下滴加异硫氰酸酯封端的酯化PEG与脂肪酰胺质量和的60%的10%wt次氯酸钠水溶液,滴加速度为控制反应体系温度不超过50℃,滴加结束后,40℃温度下保温反应4h,反应后,向反应后得到的混合物加入质量为氯仿的质量1倍的去离子水,混合后抽滤,滤液静置分层,留取有机相,有机相在50℃温度下,0.05MPa压力下蒸除氯仿,得到复合改性剂;
步骤三、将复合改性剂与PET树脂按质量比3:97混合,熔融纺丝,制得改性涤纶长丝;熔融纺丝工艺包括:熔融纺丝温度为290℃,牵伸倍数为2倍,热定型温度150℃;制得的改性涤纶长丝的细度为15D;
步骤四、将改性涤纶长丝通过针织工艺纺成克重为80g/m2的改性涤纶面料,将竹纤维纺成纱支数为40S的竹纤维纱线,将竹纤维纱线通过针织工艺纺成克重为80g/m2的竹纤维面料,将改性涤纶面料与竹纤维面料使用改性涤纶长丝缝制成具有双层结构的基于改性涤纶长丝的防皱舒爽面料;其中,竹纤维面料作为内层面料,改性涤纶面料作为外层面料。
实施例4
一种基于改性涤纶长丝的防皱舒爽面料的制备方法,包括以下步骤:
步骤一、制备异硫氰酸酯封端的酯化PEG和脂肪酰胺;
其中,制备异硫氰酸酯封端的酯化PEG包括以下步骤:
S1、将PEG-600中加入到二氯甲烷中,通入氮气,搅拌至PEG-600溶解完全,加入吡啶,混合均匀后,按照30滴/min的速度滴加丙二酰氯与二氯甲烷的混合液,滴加完成后,30℃反应15h,得到反应后的混合液,向反应后的混合液中加入反应后的混合液质量30%的去离子水进行水洗,静置分层后取有机相,30℃旋蒸去除有机相中的二氯甲烷,得到酯化PEG-600;PEG-600、丙二酰氯、吡啶和二氯甲烷的摩尔比为1.1:1:2.1:800;丙二酰氯与二氯甲烷的混合液中丙二酰氯的质量体积含量为0.25g/100mL;
S2、将酯化PEG-600、2,6-甲苯二异硫氰酸酯加入到二氯甲烷中,酯化PEG-600、2,6-甲苯二异硫氰酸酯、二氯甲烷的摩尔比为1:2:1000,35℃反应2.5h,反应后,30℃旋蒸去除二氯甲烷,得到异硫氰酸酯封端的酯化PEG;
其中,制备脂肪酰胺包括以下步骤:
将十八烷酸在80℃加热熔融,得到十八烷酸熔融液,将二乙烯三胺加入十八烷酸熔融液中,十八烷酸与二乙烯三胺的摩尔比为1:1.1,在氮气保护下175℃加热反应3h,得到脂肪酰胺;
步骤二、将异硫氰酸酯封端的酯化PEG和脂肪酰胺加入到氯仿中,异硫氰酸酯封端的酯化PEG、脂肪酰胺、氯仿的摩尔比为1:1:1200,70℃反应8h,得到反应中间体悬浮液;向反应中间体悬浮液中加入异硫氰酸酯封端的酯化PEG与脂肪酰胺质量和的30%的30%wt氢氧化钠水溶液,然后搅拌下滴加异硫氰酸酯封端的酯化PEG与脂肪酰胺质量和的50%的10%wt次氯酸钠水溶液,滴加速度为控制反应体系温度不超过50℃,滴加结束后,40℃温度下保温反应3h,反应后,向反应后得到的混合物加入质量为氯仿的质量1倍的去离子水,混合后抽滤,滤液静置分层,留取有机相,有机相在50℃温度下,0.05MPa压力下蒸除氯仿,得到复合改性剂;
步骤三、将复合改性剂与PET树脂按质量比1:99混合,熔融纺丝,制得改性涤纶长丝;熔融纺丝工艺包括:熔融纺丝温度为290℃,牵伸倍数为1.8倍,热定型温度150℃;制得的改性涤纶长丝的细度为15D;
步骤四、将改性涤纶长丝通过针织工艺纺成克重为80g/m2的改性涤纶面料,将竹纤维纺成纱支数为40S的竹纤维纱线,将竹纤维纱线通过针织工艺纺成克重为80g/m2的竹纤维面料,将改性涤纶面料与竹纤维面料使用改性涤纶长丝缝制成具有双层结构的基于改性涤纶长丝的防皱舒爽面料;其中,竹纤维面料作为内层面料,改性涤纶面料作为外层面料。
对比例1
一种基于改性涤纶长丝的防皱舒爽面料的制备方法,包括以下步骤:
步骤一、制备异硫氰酸酯封端的酯化PEG和脂肪酰胺;
其中,制备异硫氰酸酯封端的酯化PEG包括以下步骤:
S1、将PEG-400中加入到二氯甲烷中,通入氮气,搅拌至PEG-400溶解完全,加入吡啶,混合均匀后,按照30滴/min的速度滴加丙二酰氯与二氯甲烷的混合液,滴加完成后,30℃反应15h,得到反应后的混合液,向反应后的混合液中加入反应后的混合液质量30%的去离子水进行水洗,静置分层后取有机相,30℃旋蒸去除有机相中的二氯甲烷,得到酯化PEG-400;PEG-400、丙二酰氯、吡啶和二氯甲烷的摩尔比为1.1:1:2.1:800;丙二酰氯与二氯甲烷的混合液中丙二酰氯的质量体积含量为0.25g/100mL;
S2、将酯化PEG-400、2,6-甲苯二异硫氰酸酯加入到二氯甲烷中,酯化PEG-400、2,6-甲苯二异硫氰酸酯、二氯甲烷的摩尔比为1:2:1000,35℃反应2.5h,反应后,30℃旋蒸去除二氯甲烷,得到异硫氰酸酯封端的酯化PEG;
其中,制备脂肪酰胺包括以下步骤:
将十八烷酸在80℃加热熔融,得到十八烷酸熔融液,将二乙烯三胺加入十八烷酸熔融液中,十八烷酸与二乙烯三胺的摩尔比为1:1.1,在氮气保护下175℃加热反应3h,得到脂肪酰胺;
步骤二、将异硫氰酸酯封端的酯化PEG和脂肪酰胺与PET树脂按质量比0.51:0.49:99混合,熔融纺丝,制得改性涤纶长丝;熔融纺丝工艺包括:熔融纺丝温度为290℃,牵伸倍数为1.8倍,热定型温度150℃;制得的改性涤纶长丝的细度为15D;
步骤三、将改性涤纶长丝通过针织工艺纺成克重为80g/m2的改性涤纶面料,将竹纤维纺成纱支数为40S的竹纤维纱线,将竹纤维纱线通过针织工艺纺成克重为80g/m2的竹纤维面料,将改性涤纶面料与竹纤维面料使用改性涤纶长丝缝制成具有双层结构的基于改性涤纶长丝的防皱舒爽面料;其中,竹纤维面料作为内层面料,改性涤纶面料作为外层面料。
对比例2
一种基于改性涤纶长丝的防皱舒爽面料的制备方法,包括以下步骤:
步骤一、制备异硫氰酸酯封端的酯化PEG,包括以下步骤:
S1、将PEG-400中加入到二氯甲烷中,通入氮气,搅拌至PEG-400溶解完全,加入吡啶,混合均匀后,按照30滴/min的速度滴加丙二酰氯与二氯甲烷的混合液,滴加完成后,30℃反应15h,得到反应后的混合液,向反应后的混合液中加入反应后的混合液质量30%的去离子水进行水洗,静置分层后取有机相,30℃旋蒸去除有机相中的二氯甲烷,得到酯化PEG-400;PEG-400、丙二酰氯、吡啶和二氯甲烷的摩尔比为1.1:1:2.1:800;丙二酰氯与二氯甲烷的混合液中丙二酰氯的质量体积含量为0.25g/100mL;
S2、将酯化PEG-400、2,6-甲苯二异硫氰酸酯加入到二氯甲烷中,酯化PEG-400、2,6-甲苯二异硫氰酸酯、二氯甲烷的摩尔比为1:2:1000,35℃反应2.5h,反应后,30℃旋蒸去除二氯甲烷,得到异硫氰酸酯封端的酯化PEG;
步骤二、将异硫氰酸酯封端的酯化PEG与PET树脂按质量比1:99混合,熔融纺丝,制得改性涤纶长丝;熔融纺丝工艺包括:熔融纺丝温度为290℃,牵伸倍数为1.8倍,热定型温度150℃;制得的改性涤纶长丝的细度为15D;
步骤三、将改性涤纶长丝通过针织工艺纺成克重为80g/m2的改性涤纶面料,将竹纤维纺成纱支数为40S的竹纤维纱线,将竹纤维纱线通过针织工艺纺成克重为80g/m2的竹纤维面料,将改性涤纶面料与竹纤维面料使用改性涤纶长丝缝制成具有双层结构的基于改性涤纶长丝的防皱舒爽面料;其中,竹纤维面料作为内层面料,改性涤纶面料作为外层面料。
实施例1-4和对比例1-2中,PEG-400选自美国陶氏,外观为无色透明液体,分子量为380-420;PEG-600选自美国陶氏,外观为无色透明液体,分子量为570-630;竹纤维为竹浆纤维,选自新乡市日鑫生态纺织服饰有限公司,规格为1.4Dx38mm;PET树脂选自华润化学材料科技有限公司,牌号:CR-8816。
试验例
一、对实施例1-4和对比例1-2中制得的基于改性涤纶长丝的防皱舒爽面料进行性能测试:
(1)吸湿速干性能测试:测试方法参考标准GB/T21655.1-2008《纺织品吸湿速干性的评定第1部分:单向组合试验法》,测试结果如表1所示:
由表1可知,本发明制得的基于改性涤纶长丝的防皱舒爽面料具有良好的吸湿速干性。以PEG-400/PEG-600、丙二酰氯、2,6-甲苯二异硫氰酸酯为原料制得的异硫氰酸酯封端的酯化PEG,PEG-400与PEG-600性质相近,具有较强的亲水性,由于PEG分子的引入和聚硫氨酯基的生成,对PET树脂改性制得的改性涤纶长丝的亲水性大幅度提高,改性涤纶长丝纺成的改性涤纶面料与吸湿性好的竹纤维面料配合使用,得到的基于改性涤纶长丝的防皱舒爽面料具有良好的吸湿性,改性涤纶面料与竹纤维面料均采用针织工艺纺成,透气性能好,能够加快面料吸收的汗液快速向空气环境中传导。十八烷酸与二乙烯三胺反应制得的脂肪酰胺,不仅能够提高涤纶长丝的柔软性,脂肪酰胺与异硫氰酸酯封端的酯化PEG反应,能够实现对异硫氰酸酯封端的酯化PEG的封端,提高异硫氰酸酯封端的酯化PEG的抗静电性的稳定性和耐久性,同时脂肪酰胺分子中的酰胺基和亚氨基(-NH-)能够与水分子形成氢键,提高改性涤纶长丝的亲水性。对比例1中,纺制改性涤纶长丝时,使用了异硫氰酸酯封端的酯化PEG和脂肪酰胺,对面料的吸湿速干性能影响不大,而对比例2中,因为没有使用脂肪酰胺,面料的吸湿速干性能显著下降;
(2)抗静电性能测试:测试方法参考标准GB/T12703.1-2008《纺织品静电性能的评定 第1部分:静电压半衰期》,测试结果如表2所示:
由表2可知,本发明制得的基于改性涤纶长丝的防皱舒爽面料具有良好的抗静电性,面料的静电半衰期均小于5s。对比例1中脂肪酰胺与异硫氰酸酯封端的酯化PEG没有通过化学反应实现对异硫氰酸酯封端的酯化PEG的封端,对比例2中没有加入脂肪酰胺,异硫氰酸酯封端的酯化PEG也没有进行封端,异硫氰酸酯封端的酯化PEG的稳定性差,抗静电能力有所下降;
(3)防皱性能测试:测试方法参考标准GB/T3819-1997《纺织品织物折痕回复性的测定回复角法》,测试结果如表3所示:
由表3可知,本发明制得的基于改性涤纶长丝的防皱舒爽面料具有良好的防皱性能,缘于涤纶面料和竹纤维面料都具有良好的防皱保型性。
二、对实施例1-4和对比例1-2中制得的进行改性涤纶面料抗水解性能测试:测定实施例1-4和对比例1-2中制得的改性涤纶面料分别置于碱性条件下(1mol/L的氢氧化钠溶液)和酸性条件下(20%wt的硫酸溶液)进行浸泡,浸泡温度为90℃,浸泡时间为24h,浸泡前和浸泡后面料的顶破强力,根据测试结果来评价改性涤纶长丝的抗水解性能性能,顶破强力的测试方法参考标准GB/T19976-2005《纺织品顶破强力的测定 钢球法》,测试结果如表4所示:
由表4可知,本发明中作为基于改性涤纶长丝的防皱舒爽面料的外层面料的改性涤纶面料具有良好的抗水解性能,经过24h的试验后,碱性条件下和酸性条件下,顶破强力保持率都在80%以上。良好的抗水解性能够放在涤纶面料在使用、洗涤过程中接触酸性物质或者碱性物质被逐渐水解而造成的使用寿命的缩短。异硫氰酸酯封端的酯化PEG和脂肪酰胺反应制备复合改性剂,异硫氰酸酯封端的酯化PEG端位的异硫氰酸酯基(-N=C=S)与脂肪酰胺分子上的氨基(-NH2)反应,生成碳二亚胺(-N=C=N-)结构,能够有效预防聚酯的水解,具有良好的抗水解性能。对比例1和对比例2中,因为没有生成碳二亚胺,水解性能大幅度下降。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。
Claims (8)
1.一种基于改性涤纶长丝的防皱舒爽面料的制备方法,其特征在于,包括以下步骤:
步骤一、制备异硫氰酸酯封端的酯化PEG和脂肪酰胺;
其中,制备异硫氰酸酯封端的酯化PEG包括以下步骤:
S1、将PEG中加入到二氯甲烷中,通入惰性气体,搅拌至PEG溶解完全,加入吡啶,混合均匀后,滴加丙二酰氯与二氯甲烷的混合液,滴加完成后,反应,反应后,纯化,得到酯化PEG;PEG、丙二酰氯、吡啶和二氯甲烷的摩尔比为(1.1-1.5):1:2.1:(800-1200),反应条件为30-35℃反应12-15h,丙二酰氯与二氯甲烷的混合液中丙二酰氯的质量体积含量为0.25g/100mL;
S2、将酯化PEG、2,6-甲苯二异硫氰酸酯加入到二氯甲烷中,反应,反应后,纯化,得到异硫氰酸酯封端的酯化PEG;酯化PEG、2,6-甲苯二异硫氰酸酯、二氯甲烷的摩尔比为1:(2-2.2):(1000-1600),反应条件为35-45℃反应1.5-2.5h;
其中,制备脂肪酰胺包括以下步骤:
将十八烷酸加热熔融,得到十八烷酸熔融液,将二乙烯三胺加入十八烷酸熔融液中,在惰性气体保护下加热反应,得到脂肪酰胺;
步骤二、将异硫氰酸酯封端的酯化PEG和脂肪酰胺加入到有机溶剂中,反应,得到反应中间体悬浮液;向反应中间体悬浮液中加入碱液,然后搅拌下滴加氧化剂水溶液,滴加结束后,保温反应,反应后,纯化,得到复合改性剂;
步骤三、将复合改性剂与PET树脂按质量比(1-5):(95-99)混合,熔融纺丝,制得改性涤纶长丝;
步骤四、将改性涤纶长丝纺成改性涤纶面料,将竹纤维纺成竹纤维纱线,将竹纤维纱线纺成竹纤维面料,将改性涤纶面料与竹纤维面料缝制成具有双层结构的基于改性涤纶长丝的防皱舒爽面料;
其中,竹纤维面料作为内层面料,改性涤纶面料作为外层面料。
2.根据权利要求1所述的一种基于改性涤纶长丝的防皱舒爽面料的制备方法,其特征在于,所述PEG包括PEG-400、PEG-600中的任一种。
3.根据权利要求1所述的一种基于改性涤纶长丝的防皱舒爽面料的制备方法,其特征在于,所述步骤一中,制备脂肪酰胺时,十八烷酸与二乙烯三胺的摩尔比为1:(1.1-1.3),加热反应的条件为175-185℃反应2.5-3h。
4.根据权利要求1所述的一种基于改性涤纶长丝的防皱舒爽面料的制备方法,其特征在于,所述步骤二中,异硫氰酸酯封端的酯化PEG、脂肪酰胺、有机溶剂的摩尔比为1:(1-1.1):(1200-1800),反应条件为70-90℃温度下反应6-8h;
碱液的加入量为异硫氰酸酯封端的酯化PEG与脂肪酰胺质量和的30%-50%;
氧化剂水溶液的滴加量为异硫氰酸酯封端的酯化PEG与脂肪酰胺质量和的50%-75%;
氧化剂水溶液的滴加速度为控制反应体系温度不超过50℃;
保温反应的条件为40℃温度下保温反应3-4h。
5.根据权利要求4所述的一种基于改性涤纶长丝的防皱舒爽面料的制备方法,其特征在于,所述碱液的浓度为30%wt,所述碱液包括氢氧化钠水溶液;所述氧化剂水溶液的浓度为10%wt,所述氧化剂水溶液包括次氯酸钠水溶液。
6.根据权利要求1所述的一种基于改性涤纶长丝的防皱舒爽面料的制备方法,其特征在于,所述步骤三中,熔融纺丝工艺包括:熔融纺丝温度为290-295℃,牵伸倍数为1.8-2.2倍,热定型温度150℃。
7.根据权利要求1所述的一种基于改性涤纶长丝的防皱舒爽面料的制备方法,其特征在于,所述步骤四中,改性涤纶面料的克重为80-90g/m2,竹纤维纱线的纱支数为40-50S,竹纤维面料的克重为80-90g/m2。
8.一种采用权利要求1-7任一项所述的一种基于改性涤纶长丝的防皱舒爽面料的制备方法制备得到的基于改性涤纶长丝的防皱舒爽面料。
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CN104927044A (zh) * | 2015-06-15 | 2015-09-23 | 浙江医药高等专科学校 | 高纯度聚乙二醇醛类衍生物的制备方法 |
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