CN112046092A - 透湿型tpu多层面料的制备方法 - Google Patents

透湿型tpu多层面料的制备方法 Download PDF

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CN112046092A
CN112046092A CN201910489487.7A CN201910489487A CN112046092A CN 112046092 A CN112046092 A CN 112046092A CN 201910489487 A CN201910489487 A CN 201910489487A CN 112046092 A CN112046092 A CN 112046092A
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tpu
film
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张子睿
陈家平
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Nantong Dongyi High New Fiber Technology Co ltd
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Abstract

本发明公开了一种透湿型TPU多层面料的制备方法，包括以下步骤：将聚醚型TPU、聚酯型TPU、聚间苯二甲酰间苯二胺纤维、二异氧基乙酰乙酸铝、2,2,4‑三甲基‑1,3‑戊二醇单异丁酸酯、吡啶硫酮锌、双油酸酰胺、聚二甲基硅氧烷、抗氧剂和光稳定剂投入高速捏合机中共混；将得到的共混物投入双螺杆挤出机中熔融挤出，并将挤出的物料造粒得到TPU母粒；将得到的TPU母粒通过吹膜机进行吹胀牵引制成薄膜，然后风环冷却，收卷分切后得到TPU膜；其中吹胀比为2~2.5，牵引比为3~5。本发明提高了TPU膜的耐温等级，延缓了温度传导的时间，使其导热系数降低至0.18~0.27W/mk，氧指数提高至28.6~32.5%。

Description

透湿型TPU多层面料的制备方法
技术领域
本发明涉及TPU复合面料领域，尤其涉及一种透湿型TPU多层面料的制备方法。
背景技术
热塑性聚氨酯（TPU）是近年来兴起的一种新型有机高分子合成材料，其突出的特点是加工性能好、耐磨性优异、耐臭氧性极好、强度高、弹性好、耐低温有良好的耐油性、耐化学药品以及耐环境性能，是一种新型的聚合物材料。但是，热塑性聚氨酯（TPU）同时也有缺点，由于其阻燃性能也很差，限制了TPU材料在复合面料领域的应用。
发明内容
针对现有技术存在的不足，本发明提供了一种透湿型TPU多层面料的制备方法，该制备方法获得的透湿型TPU多层面料提高了TPU膜的耐温等级，延缓了温度传导的时间，使其导热系数降低至0.18~0.27W/mk，氧指数提高至28.6~32.5%，燃烧产生后，较高的氧指数和较慢的温度传递速度能够阻碍火势的进一步蔓延，增强了TPU膜和复合面料的阻燃性能。
为实现上述技术目的，本发明提供的一种阻燃TPU复合面料，包括基布、TPU膜和保暖层，所述TPU膜和保暖层分别通过一胶黏层贴附在基布两侧，所述TPU膜由TPU母粒通过吹膜机制得，其中，所述TPU膜通过以下步骤获得：
S1：将聚醚型TPU40~60份、聚酯型TPU20~40份、聚间苯二甲酰间苯二胺纤维5~10份、二异氧基乙酰乙酸铝1~10份、2,2,4-三甲基-1,3-戊二醇单异丁酸酯1~3份、吡啶硫酮锌0.1~1份、双油酸酰胺0.03~0.08份、聚二甲基硅氧烷0.2~0.4份、抗氧剂0.2~0.5份和光稳定剂0.05~0.3份投入高速捏合机中共混；
S2：将S1得到的共混物投入双螺杆挤出机中熔融挤出，并将挤出的物料造粒得到TPU母粒；
S3：将S2得到的TPU母粒通过吹膜机进行吹胀牵引制成薄膜，然后风环冷却，收卷分切后得到TPU膜；其中吹胀比为2~2.5，牵引比为3~5，所述吹膜机送料段温度设定在130~145℃，塑化段温度设定在160~180℃，模头温度设定为130~150℃。
上述技术方案中进一步改进的技术方案如下：
1. 上述方案中，所述抗氧剂为抗氧剂1010和抗氧剂168中的至少一种。
2. 上述方案中，所述光稳定剂为受阻胺类稳定剂和二苯甲酮类光稳定剂中的至少一种。
3. 上述方案中，所述步骤二中双螺杆挤出机的前段温度为90～120℃，中段温度为140～160℃， 后段温度为160～180℃。
4. 上述方案中，所述步骤二中双螺杆挤出机的机头温度为90～110℃。
由于上述技术方案的运用，本发明与现有技术相比具有下列优点：
1. 本发明透湿型TPU多层面料的制备方法，其在聚醚型TPU40~60份和聚酯型TPU20~40份中添加聚间苯二甲酰间苯二胺纤维5~10份和二异氧基乙酰乙酸铝1~10份，提高了TPU膜的耐温等级，延缓了温度传导的时间，使导热系数降低至0.18~0.27W/mk，氧指数提高至28.6~32.5%，燃烧产生后，较高的氧指数能够阻碍火势的进一步蔓延，增强了TPU膜和复合面料的阻燃性能。
2. 本发明透湿型TPU多层面料的制备方法，其基于聚醚型TPU40~60份、聚酯型TPU20~40份、聚间苯二甲酰间苯二胺纤维5~10份和二异氧基乙酰乙酸铝1~10份进一步添加了2,2,4-三甲基-1,3-戊二醇单异丁酸酯1~3份，提高了TPU膜的韧性，使其拉伸强度提升至65~93MPa，撕裂强度提升至103~141 kgf/cm，消除了随着阻燃剂等助剂的添加，TPU膜的力学性能随之降低的问题。
附图说明
附图1为本发明透湿型TPU多层面料结构示意图。
以上附图中：1、TPU膜；2、基布；3、保暖层；101、胶黏层。
具体实施方式
下面结合实施例对本发明作进一步描述：
实施例1~4：一种透湿型TPU多层面料的制备方法，参照附图1，所述透湿型TPU多层面料包括基布2、TPU膜1和保暖层3，所述TPU膜1和保暖层3分别通过一胶黏层101贴附在基布2两侧，所述TPU膜1由TPU母粒通过吹膜机制得，其中，所述TPU母粒由以下重量份数的原料组成：
表1
组分 实施例1 实施例2 实施例3 实施例4
聚醚型TPU 40 47 53 60
聚酯型TPU 40 27 33 20
聚间苯二甲酰间苯二胺纤维 5 7 10 10
二异氧基乙酰乙酸铝 1 5 5 10
2,2,4-三甲基-1,3-戊二醇单异丁酸酯 1 2 2 3
聚二甲基硅氧烷 0.2 0.3 0.4 0.4
吡啶硫酮锌 0.1 0.6 0.3 0. 6
抗氧剂 0.03 0.05 0.07 0.04
光稳定剂 0.4 0.2 0.5 0.2
双油酸酰胺 0.2 0.1 0.08 0.25
；
实施例1中所述抗氧剂为抗氧剂1010；所述光稳定剂为受阻胺类稳定剂；
实施例2中所述抗氧剂为抗氧剂1010；所述光稳定剂为受阻胺类稳定剂；
实施例3中所述抗氧剂为抗氧剂168中；所述光稳定剂为二苯甲酮类光稳定剂；
实施例4中所述抗氧剂为抗氧剂168中；所述光稳定剂为二苯甲酮类光稳定剂。
上述TPU膜1通过以下步骤获得：
S1：将聚醚型TPU40~60份、聚酯型TPU20~40份、聚间苯二甲酰间苯二胺纤维5~10份、二异氧基乙酰乙酸铝1~10份、2,2,4-三甲基-1,3-戊二醇单异丁酸酯1~3份、吡啶硫酮锌0.1~1份、双油酸酰胺0.03~0.08份、聚二甲基硅氧烷0.2~0.4份、抗氧剂0.2~0.5份和光稳定剂0.05~0.3份投入高速捏合机中共混；
S2：将S1得到的共混物投入双螺杆挤出机中熔融挤出，并将挤出的物料造粒得到TPU母粒；
S3：将S2得到的TPU母粒通过吹膜机进行吹胀牵引制成薄膜，然后风环冷却，收卷分切后得到TPU膜；其中吹胀比为2~2.5，牵引比为3~5，所述吹膜机送料段温度设定在130~145℃，塑化段温度设定在160~180℃，模头温度设定为140℃。
对比例1~2：一种TPU多层面料的制备方法，此TPU多层面料中TPU膜由TPU母粒通过吹膜机制得，其中，所述TPU母粒由以下重量份数的原料组成：
表2
组分 对比例1 对比例2
聚醚型TPU 40 53
聚酯型TPU 40 33
聚间苯二甲酰间苯二胺纤维 - 10
二异氧基乙酰乙酸铝 - 5
2,2,4-三甲基-1,3-戊二醇单异丁酸酯 1 -
聚二甲基硅氧烷 0.2 0.4
吡啶硫酮锌 0.1 0.3
抗氧剂 0.03 0.07
光稳定剂 0.4 0.5
双油酸酰胺 0.2 0.08
；
对比例1中所述抗氧剂为抗氧剂1010；所述光稳定剂为受阻胺类稳定剂；
对比例2中所述抗氧剂为抗氧剂168中；所述光稳定剂为二苯甲酮类光稳定剂。
制备方法为同实施例。
各实施例和对比例制备的膜性能检测数据如下：
表3
Figure DEST_PATH_IMAGE002
如表3所示，对比例1相对于实施例1~4缺少组分聚间苯二甲酰间苯二胺纤维和二异氧基乙酰乙酸铝，由数据可知对比例1的导热系数大于实施例1~4中的导热系数、对比例1的氧指数小于实施例1~4中氧指数，即对比例1所制TPU膜的阻燃性比实施例1~4中所制TPU膜的阻燃性差；
对比例2相对于实施例1~4缺少组分2,2,4-三甲基-1,3-戊二醇单异丁酸酯，由数据可知对比例2的拉伸强度和撕裂强度远小于实施例1~4的拉伸强度和撕裂强度，即对比例2所制TPU膜的韧性比实施例1~4中所制TPU膜的韧性差；
由上可知，本发明聚间苯二甲酰间苯二胺纤维和二异氧基乙酰乙酸铝的复配，使TPU膜的导热系数降低至0.18~0.27W/mk，减缓温度在TPU膜上的传递速度，延长温度传导时间，提高其耐温性能，同时，其氧指数提高至28.6~32.5%后，较高的氧指数配合较慢的热传导时间能够阻碍火势的蔓延，提高TPU膜和复合面料的阻燃性能；
另外，通过添加二异氧基乙酰乙酸铝，配合聚间苯二甲酰间苯二胺纤维，使受到阻燃剂、抗氧剂等助剂影响的TPU膜的拉伸强度回升至65~93Mpa、撕裂强度回升至103~141 kgf/cm，提高TPU膜的韧性，从而提高阻燃TPU复合面料的质量。
上述实施例只为说明本发明的技术构思及特点，其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施，并不能以此限制本发明的保护范围。凡根据本发明精神实质所作的等效变化或修饰，都应涵盖在本发明的保护范围之内。

Claims (5)

1.一种透湿型TPU多层面料的制备方法，其特征在于，所述透湿型TPU多层面料包括基布（2）、TPU膜（1）和保暖层（3），所述TPU膜（1）和保暖层（3）分别通过一胶黏层（101）贴附在基布（2）两侧，所述TPU膜（1）由TPU母粒通过吹膜机制得，其中，所述TPU膜（1）通过以下步骤获得：
步骤一：将聚醚型TPU40~60份、聚酯型TPU20~40份、聚间苯二甲酰间苯二胺纤维5~10份、二异氧基乙酰乙酸铝1~10份、2,2,4-三甲基-1,3-戊二醇单异丁酸酯1~3份、吡啶硫酮锌0.1~1份、双油酸酰胺0.03~0.08份、聚二甲基硅氧烷0.2~0.4份、抗氧剂0.2~0.5份和光稳定剂0.05~0.3份投入高速捏合机中共混；
步骤二：将S1得到的共混物投入双螺杆挤出机中熔融挤出，并将挤出的物料造粒得到TPU母粒；
步骤三：将S2得到的TPU母粒通过吹膜机进行吹胀牵引制成薄膜，然后风环冷却，收卷分切后得到TPU膜；其中吹胀比为2~2.5，牵引比为3~5，所述吹膜机送料段温度设定在130~145℃，塑化段温度设定在160~180℃，模头温度设定为130~150℃。
2.根据权利要求1所述的透湿型TPU多层面料的制备方法，其特征在于，所述抗氧剂为抗氧剂1010和抗氧剂168中的至少一种。
3.根据权利要求1所述的透湿型TPU多层面料的制备方法，其特征在于，所述光稳定剂为受阻胺类稳定剂和二苯甲酮类光稳定剂中的至少一种。
4. 根据权利要求1所述的透湿型TPU多层面料的制备方法，其特征在于，所述步骤二中双螺杆挤出机的前段温度为90～120℃，中段温度为140～160℃， 后段温度为160～180℃。
5.根据权利要求1所述的透湿型TPU多层面料的制备方法，其特征在于，所述步骤二中双螺杆挤出机的机头温度为90～110℃。
CN201910489487.7A 2019-06-06 2019-06-06 透湿型tpu多层面料的制备方法 Pending CN112046092A (zh)

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CN200976850Y (zh) * 2006-12-01 2007-11-21 中国纺织科学研究院 保温防护面料
CN104277290A (zh) * 2014-09-24 2015-01-14 苏州博利迈新材料科技有限公司 一种耐高温耐光老化可降解pe膜及其制备方法
CN104292651A (zh) * 2014-09-24 2015-01-21 苏州博利迈新材料科技有限公司 一种耐高温耐光老化pp膜及其制备方法
CN106883587A (zh) * 2017-02-24 2017-06-23 江苏斯德瑞克化工有限公司 芳纶纤维及其改性体作为阻燃剂的阻燃热塑性塑料

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CN200976850Y (zh) * 2006-12-01 2007-11-21 中国纺织科学研究院 保温防护面料
CN104277290A (zh) * 2014-09-24 2015-01-14 苏州博利迈新材料科技有限公司 一种耐高温耐光老化可降解pe膜及其制备方法
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