CN107653721B - 一种弹性抗老化塑料绳的制备方法 - Google Patents

一种弹性抗老化塑料绳的制备方法 Download PDF

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CN107653721B
CN107653721B CN201710787144.XA CN201710787144A CN107653721B CN 107653721 B CN107653721 B CN 107653721B CN 201710787144 A CN201710787144 A CN 201710787144A CN 107653721 B CN107653721 B CN 107653721B
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刘立平
刘立华
闫学峰
刘立中
王丽
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Jieshou Hongli Plastics Co., Ltd
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Abstract

本发明公开了一种弹性抗老化塑料绳及其制备方法，该塑料绳包括绳体(1)、三元乙丙橡胶层(2)，绳体(1)由聚丙烯纤维与聚酰胺纤维混捻而成，绳体(1)的表面包裹覆盖有三元乙丙橡胶层(2)；制备方法包括抗老化三元乙丙橡胶层的制备、绳体的制备以及二者的覆合过程。本发明在三元乙丙橡胶层的制备过程中，加入了石墨烯，该物质能够增强橡胶的弹性，同时，加入了抗氧剂及抗老剂，能够提升橡胶的抗老化性；本发明采用聚丙烯纤维和聚酰胺纤维作为绳子的绳体，这两种纤维具有质轻、强度高、耐磨性好，耐腐蚀性强等优点；本发明制得的塑料绳强度高、耐磨性好、耐腐蚀性强、弹性高、抗老化性强。

Description

一种弹性抗老化塑料绳的制备方法
技术领域
本发明属于塑料绳技术领域，具体地，涉及一种弹性抗老化塑料绳的制备方法。
背景技术
绳子作为一种常用工具，在很多领域都得到了广泛的实用，在工商业飞速发展的今天，人们对绳子的质量要求也越来越高，塑料绳作为一种成本低廉、加工方便的绳子，也在很多领域受到了人们的青睐，但是由于其原料性质限制，塑料绳在紫外线、潮湿、臭氧、霉菌、阳光、细菌等外部环境的影响下很容易就会出现老化的现象，这也造成了绳子所能承受的最大压力下降，在没有及时发现时甚至会对使用者的生命安全带来威胁。
发明内容
为解决传统塑料绳子易老化的问题，本发明提供了一种弹性抗老化塑料绳的制备方法。
本发明的目的可以通过以下技术方案实现：
一种弹性抗老化塑料绳的制备方法，该弹性抗老化塑料绳包括绳体和三元乙丙橡胶层，绳体由聚丙烯纤维与聚酰胺纤维混捻而成，绳体的表面包裹覆盖有三元乙丙橡胶层；
该弹性抗老化塑料绳由如下步骤制成：
(1)抗老化三元乙丙橡胶层的制备：调节橡胶开炼机的辊筒温度在30-60℃，依次将三元乙丙橡胶基体、石墨烯、促进剂、加工助剂、抗氧剂投入开炼机中混炼23-29min；调整开炼机的辊距到0.6-1.4mm，加入防老剂，捣胶，混炼6-13min；再调整开炼机的辊距到3-5mm，继续混炼，直至形成光滑无隙的胶料；将所得胶料辊压出片，待胶片在室温下自然冷却后，再次投入开炼机中，加入N，N’-间苯撑双马来酰亚胺，进行硫化、出料，制得抗老化三元乙丙橡胶；
(2)绳体的制备：选用聚丙烯纤维和聚酰胺纤维作为制绳丝原料，制绳丝强度为1870/1960MPa双强度；经过串联机组一次性混捻而出；在串联机组的后段即股层合拢处使用喷防护油脂装置喷防护油脂；
(3)涂覆：将抗老化三元乙丙橡胶加热至230-250℃，成熔融状态，将熔体涂覆在绳体的外表面，冷却固化后制得弹性抗老化塑料绳。
优选的，所述聚丙烯纤维与聚酰胺纤维的股数之比为9:1。
优选的，所述步骤(1)中促进剂为三乙烯二胺、二月桂酸二丁基锡或二甲基二硫代氨基甲酸钠，加工助剂为偏苯三酸酯和碳酸氢铵的复配物，抗氧剂为二氢喹啉或2，6-三级丁基-4-甲基苯酚，防老剂为N-苯基-N’-环己基对苯二胺或N-苯基-α-苯胺，硫化剂为N，N’-间苯撑双马来酰亚胺。
本发明的有益效果：
(1)本发明在三元乙丙橡胶层的制备过程中，加入了石墨烯，该物质能够增强橡胶的弹性，同时，加入了抗氧剂及抗老剂，能够提升橡胶的抗老化性；
(2)本发明采用聚丙烯纤维和聚酰胺纤维作为绳子的绳体，这两种纤维具有质轻、强度高、耐磨性好，耐腐蚀性强等优点；
(3)本发明制得的塑料绳在纤维绳体的表面包覆有一层三元乙丙橡胶层，在保持纤维绳体高强度、高耐磨性、强耐腐蚀性的性能的基础上，增强了绳子的弹性和抗老化性。
附图说明
为了便于本领域技术人员理解，下面结合附图对本发明作进一步的说明。
图1为本发明弹性抗老化塑料绳的剖视图。
附图标记说明：1、绳体；2、三元乙丙橡胶层。
具体实施方式
下面将结合实施例对本发明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作出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。
实施例1
如图1所示，一种弹性抗老化塑料绳，包括绳体(1)、三元乙丙橡胶层(2)；
所述绳体(1)由聚丙烯纤维与聚酰胺纤维混捻而成，绳体(1)的表面包裹覆盖有三元乙丙橡胶层(2)。
优选的，所述聚丙烯纤维与聚酰胺纤维的股数之比为9:1。
一种弹性抗老化塑料绳的制备方法，包括如下步骤：
(1)抗老化三元乙丙橡胶层的制备：调节橡胶开炼机的辊筒温度在30℃，依次将三元乙丙橡胶基体、石墨烯、三乙烯二胺、偏苯三酸酯和碳酸氢铵的复配物、二氢喹啉投入开炼机中混炼23min；调整开炼机的辊距到0.6mm，加入N-苯基-N’-环己基对苯二胺，捣胶，混炼6min；再调整开炼机的辊距到3mm，继续混炼，直至形成光滑无隙的胶料；将所得胶料辊压出片，待胶片在室温下自然冷却后，再次投入开炼机中，加入N，N’-间苯撑双马来酰亚胺，进行硫化、出料，制得抗老化三元乙丙橡胶；
(2)绳体的制备：选用聚丙烯纤维和聚酰胺纤维作为制绳丝原料，制绳丝强度为1870/1960MPa双强度；经过串联机组一次性混捻而出；在串联机组的后段即股层合拢处使用喷防护油脂装置喷防护油脂；
(3)涂覆：将抗老化三元乙丙橡胶加热至230℃，成熔融状态，将熔体涂覆在绳体的外表面，冷却固化后制得弹性抗老化塑料绳。
实施例2
如图1所示，一种弹性抗老化塑料绳，包括绳体(1)、三元乙丙橡胶层(2)；
所述绳体(1)由聚丙烯纤维与聚酰胺纤维混捻而成，绳体(1)的表面包裹覆盖有三元乙丙橡胶层(2)。
优选的，所述聚丙烯纤维与聚酰胺纤维的股数之比为9:1。
一种弹性抗老化塑料绳的制备方法，包括如下步骤：
(1)抗老化三元乙丙橡胶层的制备：调节橡胶开炼机的辊筒温度在45℃，依次将三元乙丙橡胶基体、石墨烯、二月桂酸二丁基锡、偏苯三酸酯和碳酸氢铵的复配物、2，6-三级丁基-4-甲基苯酚投入开炼机中混炼26mi n；调整开炼机的辊距到1.0mm，加入N-苯基-α-苯胺，捣胶，混炼9mi n；再调整开炼机的辊距到4mm，继续混炼，直至形成光滑无隙的胶料；将所得胶料辊压出片，待胶片在室温下自然冷却后，再次投入开炼机中，加入N，N’-间苯撑双马来酰亚胺，进行硫化、出料，制得抗老化三元乙丙橡胶；
(2)绳体的制备：选用聚丙烯纤维和聚酰胺纤维作为制绳丝原料，制绳丝强度为1870/1960MPa双强度；经过串联机组一次性混捻而出；在串联机组的后段即股层合拢处使用喷防护油脂装置喷防护油脂；
(3)涂覆：将抗老化三元乙丙橡胶加热至240℃，成熔融状态，将熔体涂覆在绳体的外表面，冷却固化后制得弹性抗老化塑料绳。
实施例3
如图1所示，一种弹性抗老化塑料绳，包括绳体(1)、三元乙丙橡胶层(2)；
所述绳体(1)由聚丙烯纤维与聚酰胺纤维混捻而成，绳体(1)的表面包裹覆盖有三元乙丙橡胶层(2)。
优选的，所述聚丙烯纤维与聚酰胺纤维的股数之比为9:1。
一种弹性抗老化塑料绳的制备方法，包括如下步骤：
(1)抗老化三元乙丙橡胶层的制备：调节橡胶开炼机的辊筒温度在60℃，依次将三元乙丙橡胶基体、石墨烯、二甲基二硫代氨基甲酸钠、偏苯三酸酯和碳酸氢铵的复配物、二氢喹啉投入开炼机中混炼29min；调整开炼机的辊距到1.4mm，加入N-苯基-N’-环己基对苯二胺，捣胶，混炼13min；再调整开炼机的辊距到5mm，继续混炼，直至形成光滑无隙的胶料；将所得胶料辊压出片，待胶片在室温下自然冷却后，再次投入开炼机中，加入N，N’-间苯撑双马来酰亚胺，进行硫化、出料，制得抗老化三元乙丙橡胶；
(2)绳体的制备：选用聚丙烯纤维和聚酰胺纤维作为制绳丝原料，制绳丝强度为1870/1960MPa双强度；经过串联机组一次性混捻而出；在串联机组的后段即股层合拢处使用喷防护油脂装置喷防护油脂；
(3)涂覆：将抗老化三元乙丙橡胶加热至250℃，成熔融状态，将熔体涂覆在绳体的外表面，冷却固化后制得弹性抗老化塑料绳。
以上公开的本发明优选实施例只是用于帮助阐述本发明。优选实施例并没有详尽叙述所有的细节，也不限制该发明仅为所述的具体实施方式。显然，根据本说明书的内容，可作很多的修改和变化。本说明书选取并具体描述这些实施例，是为了更好地解释本发明的原理和实际应用，从而使所属技术领域技术人员能很好地理解和利用本发明。本发明仅受权利要求书及其全部范围和等效物的限制。

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1.一种弹性抗老化塑料绳的制备方法，其特征在于，所述弹性抗老化塑料绳包括绳体(1)、三元乙丙橡胶层(2)；
所述绳体(1)由聚丙烯纤维与聚酰胺纤维混捻而成，绳体(1)的表面包裹覆盖有三元乙丙橡胶层(2)；
所述弹性抗老化塑料绳的制备方法，包括如下步骤：
(1)抗老化三元乙丙橡胶层的制备：调节橡胶开炼机的辊筒温度在30-60℃，依次将三元乙丙橡胶基体、石墨烯、促进剂、加工助剂、抗氧剂投入开炼机中混炼23-29min；调整开炼机的辊距到0.6-1.4mm，加入防老剂，捣胶，混炼6-13min；再调整开炼机的辊距到3-5mm，继续混炼，直至形成光滑无隙的胶料；将所得胶料辊压出片，待胶片在室温下自然冷却后，再次投入开炼机中，加入N，N’-间苯撑双马来酰亚胺，进行硫化、出料，制得抗老化三元乙丙橡胶；
(2)绳体的制备：选用聚丙烯纤维和聚酰胺纤维作为制绳丝原料，制绳丝强度为1870/1960MPa双强度；经过串联机组一次性混捻而出；在串联机组的后段即股层合拢处使用喷防护油脂装置喷防护油脂；
(3)涂覆：将抗老化三元乙丙橡胶加热至230-250℃，成熔融状态，将熔体涂覆在绳体的外表面，冷却固化后制得弹性抗老化塑料绳。
2.如权利要求1所述的一种弹性抗老化塑料绳的制备方法，其特征在于，所述聚丙烯纤维与聚酰胺纤维的股数之比为9:1。
3.如权利要求1所述的一种弹性抗老化塑料绳的制备方法，其特征在于，所述步骤(1)中促进剂为三乙烯二胺、二月桂酸二丁基锡或二甲基二硫代氨基甲酸钠，加工助剂为偏苯三酸酯和碳酸氢铵的复配物，抗氧剂为二氢喹啉或2，6-三级丁基-4-甲基苯酚，防老剂为N-苯基-N’-环己基对苯二胺或N-苯基-α-苯胺。
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