CN103756287B - 一种改性tpu压延薄膜及其制备方法 - Google Patents

一种改性tpu压延薄膜及其制备方法 Download PDF

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CN103756287B
CN103756287B CN201410034422.0A CN201410034422A CN103756287B CN 103756287 B CN103756287 B CN 103756287B CN 201410034422 A CN201410034422 A CN 201410034422A CN 103756287 B CN103756287 B CN 103756287B
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tpu
calendered film
resin
parts
modified tpu
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CN103756287A (zh
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郑玉婴
林锦贤
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Fuzhou University
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Abstract

本发明公开了一种改性TPU压延薄膜及其制备方法，其包括以下组分；TPU树脂、TPO树脂、TPSiV树脂、TPU色母粒、光稳定剂、抗氧剂、防霉抗菌剂、阻燃剂、加工润滑剂等。本发明改性TPU压延薄膜的制备方法包括以下步骤：将各组分原料按照配方用量投入到高搅锅中，高速搅拌均匀，温度控制在80~90℃，然后进入密炼机，密炼时间为3~5min，混炼后再经过轧轮机，挤出过滤，输送到四辊，压延得到薄膜产品。通过本发明制备的改性TPU压延薄膜，克服了塑化不均匀，易粘辊的工艺难点，产能得到提高，具有厚度均匀，表面光泽度高，耐黄变，耐磨，阻燃，耐低温等特性。

Description

一种改性TPU压延薄膜及其制备方法
技术领域
本发明属于薄膜制备领域，具体涉及一种改性TPU压延薄膜及其制备方法。
背景技术
TPU薄膜具有韧性好、强度高、无味、无毒、可热合加工等特性，广泛应用于汽车工业、医疗卫生、生活用品等领域。TPU薄膜传统的生产工艺主要是流延，该工艺产能低，薄膜厚度不均匀，各功能改性助剂都需要先造粒再添加使用，使得生产成本极高，限制了TPU薄膜的推广应用。因此，本发明通过配方与工艺优化设计，克服了塑化不均匀，易粘辊的工艺难点，开发一种改性TPU压延薄膜，其具有产能高、厚度均匀，表面光泽度高，耐黄变，耐磨，阻燃，耐低温等特性。具有较好的经济与社会效应。
发明内容
本发明的目的在于针对TPU薄膜生产技术中的不足之处，提供一种产能高、多功能性的改性TPU压延薄膜及其制备方法。本发明的改性TPU压延薄膜具有产能高、厚度均匀，表面光泽度高，耐黄变，耐磨，阻燃，耐低温等特性。其中，耐黄变性能（48h，UVB），可达4级；阻燃性能（厚度2.0mm），可达V0级；耐低温性能（-30℃），可耐折15-20万次。
本发明采用如下的技术方案：
一种改性TPU压延薄膜，其特征在于：以重量份数计，
TPU树脂：100份；
TPO树脂：3~8份；
TPSiV树脂：5~10份
TPU色母粒：5~15份；
抗氧剂：0.5~1.5份；
光稳定剂：0.5~1.5份；
阻燃剂：10~15份；
加工润滑剂：0.03~0.1份。
所述TPU树脂牌号为压延级DP6386A，购于德国拜耳；
所述TPO树脂牌号为CMW402，购于埃克森美孚；
所述TPSiV树脂为3011系列，购于道康宁；
所述TPU色母粒为以压延级TPUDP6386A为载体，与色粉通过挤出造粒工艺制备而成。
所述抗氧剂为β-（3,5-二叔丁基-4-羟基苯基）丙酸十八碳醇酯（抗氧剂1076）与N,N’-六亚甲基双（3,5-二叔丁基-4-羟基苯丙酰胺）（抗氧剂1098）按质量比1:1.5混合的复配体系；
所述光稳定剂为2-（2’-羟基-3’,5’-二枯基苯基）苯并三氮唑（UV234）与2-（2’-羟基-3’,5’-二叔戊基苯基）苯并三氮唑（UV328）按质量比1:2混合的复配体系；
所述阻燃剂为科莱恩有机磷酸酯类（牌号OP1320）与5000目滑石粉按质量比3:1混合的复配体系。
所述加工润滑剂为芥酸酰胺、油酸酰胺与硬脂酸按质量1:1:1混合的复配体系。
改性TPU压延薄膜制备方法，其特征在于：将各组分原料按照配方用量投入到高搅锅中，高速搅拌均匀，温度控制在85~100℃，然后进入密炼机，密炼时间为3~5min，混炼后再经过轧轮机，挤出机过滤，输送到四辊，压延得到薄膜产品。
所述轧轮机温度控制在130~150℃，挤出机温度控制在130~150℃，压延四辊的温度控制在140~160℃。
本发明中，TPO树脂可以调节薄膜的软硬度，还可以改善TPU加工性能。TPSiV树脂融合了TPU和有机硅两种材料各自的性能优点，提高TPU薄膜的表面干爽度，热空气老化后依然可以保持较高的物理机械性能，具有优异的抗老化性、抗刮擦性、优良的抗油性和较低使用温度。TPSiV树脂和TPU树脂的相容性好。抗氧剂和光稳定剂采用不同熔点和分子量的复配体系，各组分个起到协同作用，使得TPU材料的耐黄变性能提高。阻燃剂采用有机磷酸酯和滑石粉的复配，二者形成协同效应，降低TPU材料在燃烧中的融滴现象。加工润滑剂采用精制芥酸酰胺、精制油酸酰胺与硬脂酸的复配体系，利用其各自在加工时初始效应和终止效应的不同，形成互补，保证整个加工过程中的都有优异的加工性能，避免塑化不均匀和出现粘辊的现象。
本发明的有益效果在于：本发明公开了一种改性TPU压延薄膜及其制备方法，克服了塑化不均匀，易粘辊的工艺难点，本发明的改性TPU压延薄膜具有产能高、厚度均匀，表面光泽度高，耐黄变，耐磨，阻燃，耐低温等特性。其中，耐黄变性能（48h，UVB），可达4级；阻燃性能（厚度2.0mm），可达V0级；耐低温性能（-30℃），可耐折15-20万次。
具体实施方式
为了使本发明所述的内容更加便于理解，下面结合具体实施方式对本发明所述的技术方案做进一步的说明，但是本发明不仅限于此。
实施例1
按以下配方比例、各组分要求及工艺方法制备得到改性压延TPU薄膜。
TPU树脂：100份；
TPO树脂：3份；
TPSiV树脂：10份
TPU色母粒：5份；
抗氧剂：0.5份；
光稳定剂：1.5份；
阻燃剂：15份；
加工润滑剂：0.1份。
所述TPU树脂牌号为压延级DP6386A，购于德国拜耳；
所述TPO树脂牌号为CMW402，购于埃克森美孚；
所述TPSiV树脂为3011系列，购于道康宁；
所述TPU色母粒为以压延级TPUDP6386A为载体，与色粉通过挤出造粒工艺制备而成。
所述抗氧剂为β-（3,5-二叔丁基-4-羟基苯基）丙酸十八碳醇酯（抗氧剂1076）与N,N’-六亚甲基双（3,5-二叔丁基-4-羟基苯丙酰胺）（抗氧剂1098）按质量1:1.5混合的复配体系；
所述光稳定剂为2-（2’-羟基-3’,5’-二枯基苯基）苯并三氮唑（UV234）与2-（2’-羟基-3’,5’-二叔戊基苯基）苯并三氮唑（UV328）按质量1:2混合的复配体系；
所述阻燃剂为科莱恩有机磷酸酯类（牌号OP1320）与5000目滑石粉按质量3:1混合的复配体系。
所述加工润滑剂为芥酸酰胺、油酸酰胺与硬脂酸按质量1:1:1混合的复配体系。
改性TPU压延薄膜制备方法，其特征在于：将各组分原料按照配方用量投入到高搅锅中，高速搅拌均匀，温度控制在85℃，然后进入密炼机，密炼时间为5min，混炼后再经过轧轮机，挤出机过滤，输送到四辊，压延得到薄膜产品。
所述轧轮机温度为130℃，挤出机温度控制在130℃，压延四辊的温度控制在150℃。
实施例2
按以下配方比例、各组分要求及工艺方法制备得到改性压延TPU薄膜。
TPU树脂：100份；
TPO树脂：5份；
TPSiV树脂：8份
TPU色母粒：10份；
抗氧剂：0.7份；
光稳定剂：1.1份；
阻燃剂：13份；
加工润滑剂：0.08份。
所述TPU树脂牌号为压延级DP6386A，购于德国拜耳；
所述TPO树脂牌号为CMW402，购于埃克森美孚；
所述TPSiV树脂为3011系列，购于道康宁；
所述TPU色母粒为以压延级TPUDP6386A为载体，与色粉通过挤出造粒工艺制备而成。
所述抗氧剂为β-（3,5-二叔丁基-4-羟基苯基）丙酸十八碳醇酯（抗氧剂1076）与N,N’-六亚甲基双（3,5-二叔丁基-4-羟基苯丙酰胺）（抗氧剂1098）按质量1:1.5混合的复配体系；
所述光稳定剂为2-（2’-羟基-3’,5’-二枯基苯基）苯并三氮唑（UV234）与2-（2’-羟基-3’,5’-二叔戊基苯基）苯并三氮唑（UV328）按质量1:2混合的复配体系；
所述阻燃剂为科莱恩有机磷酸酯类（牌号OP1320）与5000目滑石粉按质量3:1混合的复配体系。
所述加工润滑剂为芥酸酰胺、油酸酰胺与硬脂酸按质量1:1:1混合的复配体系。
改性TPU压延薄膜制备方法，其特征在于：将各组分原料按照配方用量投入到高搅锅中，高速搅拌均匀，温度控制在90℃，然后进入密炼机，密炼时间为4min，混炼后再经过轧轮机，挤出机过滤，输送到四辊，压延得到薄膜产品。
所述轧轮机温度控制在140℃，挤出机温度控制在150℃，压延四辊的温度控制在140℃。
实施例3
按以下配方比例、各组分要求及工艺方法制备得到改性压延TPU薄膜。
TPU树脂：100份；
TPO树脂：8份；
TPSiV树脂：5份
TPU色母粒：15份；
抗氧剂：1.5份；
光稳定剂：0.5份；
阻燃剂：10份；
加工润滑剂：0.03份。
所述TPU树脂牌号为压延级DP6386A，购于德国拜耳；
所述TPO树脂牌号为CMW402，购于埃克森美孚；
所述TPSiV树脂为3011系列，购于道康宁；
所述TPU色母粒为以压延级TPUDP6386A为载体，与色粉通过挤出造粒工艺制备而成。
所述抗氧剂为β-（3,5-二叔丁基-4-羟基苯基）丙酸十八碳醇酯（抗氧剂1076）与N,N’-六亚甲基双（3,5-二叔丁基-4-羟基苯丙酰胺）（抗氧剂1098）按质量1:1.5混合的复配体系；
所述光稳定剂为2-（2’-羟基-3’,5’-二枯基苯基）苯并三氮唑（UV234）与2-（2’-羟基-3’,5’-二叔戊基苯基）苯并三氮唑（UV328）按质量1:2混合的复配体系；
所述阻燃剂为科莱恩有机磷酸酯类（牌号OP1320）与5000目滑石粉按质量3:1混合的复配体系。
所述加工润滑剂为芥酸酰胺、油酸酰胺与硬脂酸按质量1:1:1混合的复配体系。
改性TPU压延薄膜制备方法，其特征在于：将各组分原料按照配方用量投入到高搅锅中，高速搅拌均匀，温度控制在100℃，然后进入密炼机，密炼时间为5min，混炼后再经过轧轮机，挤出机过滤，输送到四辊，压延得到薄膜产品。
所述轧轮机温度控制在150℃，挤出机温度控制在140℃，压延四辊的温度控制在160℃。
实施例1-3制备的薄膜产品：具有产能高、厚度均匀，表面光泽度高，耐黄变性能（48h，UVB），可达4级；阻燃性能（厚度2.0mm），可达V0级；耐低温性能（-30℃），可耐折15-20万次。
以上所述仅为本发明的较佳实施例，凡依本发明申请专利范围所做的均等变化与修饰，皆应属本发明的涵盖范围。

Claims (7)

1.一种改性TPU压延薄膜，其特征在于：其包括以下重量份数的组分；
TPU树脂：100份；
TPO树脂：3~8份；
TPSiV树脂：5~10份
TPU色母粒：5~15份；
抗氧剂：0.5~1.5份；
光稳定剂：0.5~1.5份；
阻燃剂：10~15份；
加工润滑剂：0.03~0.1份；
所述加工润滑剂为芥酸酰胺、油酸酰胺与硬脂酸按质量1:1:1混合的复配体系。
2.根据权利要求1所述的改性TPU压延薄膜，其特征在于：所述TPU色母粒为以压延级TPUDP6386A为载体，与色粉通过挤压造粒工艺制备而成。
3.根据权利要求1所述的改性TPU压延薄膜，其特征在于：
所述的抗氧剂为β-（3,5-二叔丁基-4-羟基苯基）丙酸十八碳醇酯与N,N’-六亚甲基双（3,5-二叔丁基-4-羟基苯丙酰胺）按质量比1:1.5混合而成的复配体系。
4.根据权利要求1所述的改性TPU压延薄膜，其特征在于：
所述的光稳定剂为2-（2’-羟基-3’,5’-二枯基苯基）苯并三氮唑与2-（2’-羟基-3’,5’-二叔戊基苯基）苯并三氮唑按质量比1:2混合而成的复配体系。
5.根据权利要求1所述的改性TPU压延薄膜，其特征在于：
所述阻燃剂为有机磷酸酯类与5000目滑石粉按质量比3:1混合而成的复配体系。
6.一种制备如权利要求1所述的改性TPU压延薄膜的方法，其特征在于：将各组分原料按照配方用量投入到高搅锅中，高速搅拌均匀，温度控制在85~100℃，然后进入密炼机，密炼时间为3~5min，混炼后再经过轧轮机，挤出过滤，输送到四辊，压延得到薄膜产品。
7.根据权利要求6所述的改性TPU压延薄膜的制备方法，其特征在于：轧轮机其温度控制在130~150℃，所述的挤出过滤是通过挤出机进行的，挤出机的温度控制在130~150℃，压延四辊的温度控制在140~160℃。
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