CN107653722A - 一种阻燃发泡绳 - Google Patents

一种阻燃发泡绳 Download PDF

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CN107653722A
CN107653722A CN201710791262.8A CN201710791262A CN107653722A CN 107653722 A CN107653722 A CN 107653722A CN 201710791262 A CN201710791262 A CN 201710791262A CN 107653722 A CN107653722 A CN 107653722A
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rope
retardant
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刘立平
刘立华
闫学峰
刘立中
王丽
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Jieshou City Hongli Plastic Co Ltd
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Abstract

本发明公开一种阻燃发泡绳，包括绳芯和阻燃覆膜，所述的绳芯，各原料重量百分比为：均聚聚丙烯50％‑65％、木粉11％‑18％、旧报纸4％‑9％、丁基橡胶8％‑15％、氧化聚乙烯蜡3％‑7.4％、平光剂0.5％‑1.3％、增塑剂3％‑6％、消泡剂1％‑2.8％；所述的阻燃覆膜的涂料各原料重量百分比为：热塑性聚氨酯35％‑50％、氢氧化镁纳米溶胶10％‑20％、无碱玻璃纤维粉4％‑10％、脂肪族二异氰酸酯5％‑10％、羧甲基纤维素钠8％‑12％、锐钛矿型纳米二氧化钛5％‑10％、对甲氧基肉桂酸异辛酯3％‑7％、聚己内酯2％‑5％、聚羟基烷酸酯1％‑4％、余量为纯化水。将制备的发泡绳引入压辊中进行覆膜，发泡绳的外侧即包覆了一层阻燃覆膜，具有了阻燃覆膜的发泡绳在250℃下遇热不软化，最高使用温度达500℃，短时间耐温度可达600℃，可供于家庭和工业生产作业中。

Description

一种阻燃发泡绳
技术领域
本发明涉及绳索领域，具体涉及一种阻燃发泡绳。
背景技术
发泡绳是塑料绳的一种，主要成分为聚丙烯，它是由丙烯聚合而制得的一种热塑性树脂，聚丙烯的结晶度高，结构规整，因而具有优良的力学性能，具有良好的介电性能和高频绝缘性且不受湿度影响，常见的酸、碱等有机溶剂对它几乎不起作用，但聚丙烯熔点为164℃-170℃，熔点较低，用聚丙烯制得的发泡绳在接近火源时易软化，强度降低易断裂，高温下使用危险性大，容易发生事故，在达到聚丙烯燃点时不仅易燃烧，而且气味难闻，污染环境。
发明内容
本发明的目的在于提供一种阻燃发泡绳，将制备的发泡绳引入压辊中进行覆膜，发泡绳的外侧即包覆了一层阻燃覆膜，阻碍了发泡绳的燃烧，减少了环境污染，同时提高了防滑性和耐切割性。
本发明的目的可以通过以下技术方案实现：
一种阻燃发泡绳，包括绳芯和阻燃覆膜，所述的绳芯，各原料重量百分比为：均聚聚丙烯50％-65％、木粉11％-18％、旧报纸4％-9％、丁基橡胶8％-15％、氧化聚乙烯蜡3％-7.4％、平光剂0.5％-1.3％、增塑剂3％-6％、消泡剂1％-2.8％；
所述的阻燃覆膜的涂料各原料重量百分比为：热塑性聚氨酯35％-50％、氢氧化镁纳米溶胶10％-20％、无碱玻璃纤维粉4％-10％、脂肪族二异氰酸酯5％-10％、羧甲基纤维素钠8％-12％、锐钛矿型纳米二氧化钛5％-10％、对甲氧基肉桂酸异辛酯3％-7％、聚己内酯2％-5％、聚羟基烷酸酯1％-4％、余量为纯化水；
一种阻燃发泡绳的生产工艺，具体包括以下步骤:
(1)氢氧化镁纳米溶胶的制备
在高速分散机分散罐内加入组份量的各原料，启动分散机，调节转速，加料完后高速分散，接着进一步在三辊机上研磨，过滤后得到氢氧化镁纳米溶胶；
(2)阻燃覆膜涂料的制备
依次加入组份量的各原料到分散机分散罐中，调节转速，分散，过滤得到涂料；
(3)发泡绳的制备
将按重量比例配制好的各原料加入到螺杆挤塑机，通过预热、熔化、塑化、计量、喷丝工序后熔融挤出塑料纤维；将熔融挤出的塑料纤维放入水槽中冷却，得到塑料单丝纤维；将冷却后的塑料单丝纤维放入牵伸机进行牵伸，之后引入成型压辊中定型得塑料丝条；塑料丝条在成股机中捻成股，之后在制绳机中合成绳，即得发泡绳；
(4)阻燃发泡绳的制备
将涂料倒入淋膜机中，将发泡绳引入压辊中进行覆膜，在控温装置中烘干定型，经辊轮组压合，将压合成型的阻燃发泡绳送入冷却装置冷却，最后收卷切割，即得到阻燃发泡绳。
进一步，所述的阻燃发泡绳阻燃覆膜的厚度为0.1mm-0.3mm。
进一步，所述的增塑剂为环氧脂肪酸丙酯、萘二酸二乙酯中的一种。
进一步，所述的消泡剂为硅酮丙三醇、聚氧乙烯聚氧丙烯季戊四醇醚的混合物，硅酮丙三醇、聚氧乙烯聚氧丙烯季戊四醇醚的重量比为1：1。
进一步，所述的平光剂为肉豆蔻酸锌、醋酸钙中的一种。
进一步，所述的氢氧化镁纳米溶胶组成的重量百分比如下：氢氧化镁50％-60％、纳米二氧化钛10％-20％、环氧树脂10％-15％、软胶粉6％-12％、蛭石粉3％-6％、偏磷酸钠3％-6％、聚天冬酸2％-5％、甲壳素1％-4％、余量为纯化水。
本发明的有益效果：
与现有技术相比，本发明中阻燃覆膜涂料采用的氢氧化镁纳米溶胶、无碱玻璃纤维粉具有优良的阻燃效果，将制备的发泡绳引入压辊中进行覆膜，发泡绳的外侧即包覆了一层阻燃覆膜，具有了阻燃覆膜的发泡绳在250℃下遇热不软化，最高使用温度达500℃，短时间耐温度可达600℃，阻碍了发泡绳的燃烧，减少了环境污染，同时提高了强度和防滑性，使用寿命长，可供于家庭和工业生产作业中；采用的脂肪族二异氰酸酯，解决了发泡绳受紫外线照射变黄的难题；生产工艺简单，效率高，成本低。
具体实施方式
下面将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
(1)氢氧化镁纳米溶胶的制备
在高速分散机分散罐内加入氢氧化镁50kg、纳米二氧化钛10kg、环氧树脂15kg、软胶粉6kg、蛭石粉3kg、偏磷酸钠6kg、聚天冬酸2.5kg、甲壳素1kg、纯化水6.5kg，启动分散机，调节转速，加料完后高速分散30min，接着进一步在三辊机上研磨1h，过滤后得到氢氧化镁纳米溶胶；
(2)阻燃覆膜涂料的制备
依次加入热塑性聚氨酯35kg、氢氧化镁纳米溶胶20kg、无碱玻璃纤维粉10kg、脂肪族二异氰酸酯5kg、羧甲基纤维素钠12kg、锐钛矿型纳米二氧化钛5kg、对甲氧基肉桂酸异辛酯3kg、聚己内酯2kg、聚羟基烷酸酯1kg、纯化水7kg到分散机分散罐中，将转速调至800r/min，分散2h，过滤得到涂料；
(3)发泡绳的制备
将均聚聚丙烯50kg、木粉13.5kg、旧报纸4kg、丁基橡胶15kg、氧化聚乙烯蜡7.4kg、肉豆蔻酸锌1.3kg、环氧脂肪酸丙酯6kg、硅酮丙三醇1.4kg、聚氧乙烯聚氧丙烯季戊四醇醚1.4kg加入到螺杆挤塑机，通过预热、熔化、塑化、计量、喷丝工序后熔融挤出塑料纤维；将熔融挤出的塑料纤维放入水槽中冷却，得到塑料单丝纤维；将冷却后的塑料单丝纤维放入牵伸机进行牵伸，之后引入成型压辊中定型得塑料丝条；塑料丝条在成股机中捻成股，之后在制绳机中合成绳，即得发泡绳；
(4)阻燃发泡绳的制备
将涂料倒入淋膜机中，将发泡绳引入压辊中进行覆膜，在控温装置中烘干定型，经辊轮组压合，将压合成型的阻燃发泡绳送入冷却装置冷却，最后收卷切割，即得到阻燃发泡绳，阻燃覆膜的厚度为0.1mm；发泡绳在220℃下遇热不软化，最高使用温度达480℃。
实施例2
(1)氢氧化镁纳米溶胶的制备
在高速分散机分散罐内加入氢氧化镁60kg、纳米二氧化钛10kg、环氧树脂10kg、软胶粉3kg、蛭石粉3kg、偏磷酸钠3.5kg、聚天冬酸3.5kg、甲壳素4kg、纯化水3kg，启动分散机，调节转速，加料完后高速分散60min，接着进一步在三辊机上研磨1h，过滤后得到氢氧化镁纳米溶胶；
(2)阻燃覆膜涂料的制备
依次加入热塑性聚氨酯50kg、氢氧化镁纳米溶胶10kg、无碱玻璃纤维粉4kg、脂肪族二异氰酸酯10kg、羧甲基纤维素钠8kg、锐钛矿型纳米二氧化钛6kg、对甲氧基肉桂酸异辛酯5kg、聚己内酯3kg、聚羟基烷酸酯2kg、纯化水2kg到分散机分散罐中，将转速调至800r/min，分散2h，过滤得到涂料；
(3)发泡绳的制备
将均聚聚丙烯65kg、木粉11kg、旧报纸8.5kg、丁基橡胶8kg、氧化聚乙烯蜡3kg、肉豆蔻酸锌0.5kg、萘二酸二乙酯3kg、硅酮丙三醇0.5kg、聚氧乙烯聚氧丙烯季戊四醇醚0.5kg加入到螺杆挤塑机，通过预热、熔化、塑化、计量、喷丝工序后熔融挤出塑料纤维；将熔融挤出的塑料纤维放入水槽中冷却，得到塑料单丝纤维；将冷却后的塑料单丝纤维放入牵伸机进行牵伸，之后引入成型压辊中定型得塑料丝条；塑料丝条在成股机中捻成股，之后在制绳机中合成绳，即得发泡绳；
(4)阻燃发泡绳的制备
将涂料倒入淋膜机中，将发泡绳引入压辊中进行覆膜，在控温装置中烘干定型，经辊轮组压合，将压合成型的阻燃发泡绳送入冷却装置冷却，最后收卷切割，即得到阻燃发泡绳，阻燃覆膜的厚度为0.3mm；发泡绳在250℃下遇热不软化，最高使用温度达500℃。
实施例3
(1)氢氧化镁纳米溶胶的制备
在高速分散机分散罐内加入氢氧化镁51.5kg、纳米二氧化钛16.7kg、环氧树脂11kg、软胶粉7kg、蛭石粉3.5kg、偏磷酸钠2.4kg、聚天冬酸2.6kg、甲壳素2.5kg、纯化水2.8kg，启动分散机，调节转速，加料完后高速分散50min，接着进一步在三辊机上研磨1h，过滤后得到氢氧化镁纳米溶胶；
(2)阻燃覆膜涂料的制备
依次加入热塑性聚氨酯38kg、氢氧化镁纳米溶胶10.3kg、无碱玻璃纤维粉10kg、脂肪族二异氰酸酯6kg、羧甲基纤维素钠12kg、锐钛矿型纳米二氧化钛9.6kg、对甲氧基肉桂酸异辛酯6.3kg、聚己内酯4.8kg、聚羟基烷酸酯1.6kg、纯化水1.7kg到分散机分散罐中，将转速调至800r/min，分散2h，过滤得到涂料；
(3)发泡绳的制备
将均聚聚丙烯57.5kg、木粉14.8kg、旧报纸5.6kg、丁基橡胶9.3kg、氧化聚乙烯蜡3.7kg、肉豆蔻酸锌0.8kg、萘二酸二乙酯5.8kg、硅酮丙三醇1.25kg、聚氧乙烯聚氧丙烯季戊四醇醚1.25kg加入到螺杆挤塑机，通过预热、熔化、塑化、计量、喷丝工序后熔融挤出塑料纤维；将熔融挤出的塑料纤维放入水槽中冷却，得到塑料单丝纤维；将冷却后的塑料单丝纤维放入牵伸机进行牵伸，之后引入成型压辊中定型得塑料丝条；塑料丝条在成股机中捻成股，之后在制绳机中合成绳，即得发泡绳；
(4)阻燃发泡绳的制备
将涂料倒入淋膜机中，将发泡绳引入压辊中进行覆膜，在控温装置中烘干定型，经辊轮组压合，将压合成型的阻燃发泡绳送入冷却装置冷却，最后收卷切割，即得到阻燃发泡绳，阻燃覆膜的厚度为0.25mm；发泡绳在246℃下遇热不软化，最高使用温度达488℃。
以上内容仅仅是对本发明的构思所作的举例和说明，所属本技术领域的技术人员对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，只要不偏离发明的构思或者超越本权利要求书所定义的范围，均应属于本发明的保护范围。

Claims (6)

1.一种阻燃发泡绳，其特征在于：包括绳芯和阻燃覆膜，所述的绳芯，各原料重量百分比为：均聚聚丙烯50％-65％、木粉11％-18％、旧报纸4％-9％、丁基橡胶8％-15％、氧化聚乙烯蜡3％-7.4％、平光剂0.5％-1.3％、增塑剂3％-6％、消泡剂1％-2.8％；
所述的阻燃覆膜的涂料各原料重量百分比为：热塑性聚氨酯35％-50％、氢氧化镁纳米溶胶10％-20％、无碱玻璃纤维粉4％-10％、脂肪族二异氰酸酯5％-10％、羧甲基纤维素钠8％-12％、锐钛矿型纳米二氧化钛5％-10％、对甲氧基肉桂酸异辛酯3％-7％、聚己内酯2％-5％、聚羟基烷酸酯1％-4％、余量为纯化水；
该阻燃发泡绳的生产工艺步骤为:
(1)氢氧化镁纳米溶胶的制备
在高速分散机分散罐内加入组份量的各原料，启动分散机，调节转速，加料完后高速分散，接着进一步在三辊机上研磨，过滤后得到氢氧化镁纳米溶胶；
(2)阻燃覆膜涂料的制备
依次加入组份量的各原料到分散机分散罐中，调节转速，分散，过滤得到涂料；
(3)发泡绳的制备
将按重量比例配制好的各原料加入到螺杆挤塑机，通过预热、熔化、塑化、计量、喷丝工序后熔融挤出塑料纤维；将熔融挤出的塑料纤维放入水槽中冷却，得到塑料单丝纤维；将冷却后的塑料单丝纤维放入牵伸机进行牵伸，之后引入成型压辊中定型得塑料丝条；塑料丝条在成股机中捻成股，之后在制绳机中合成绳，即得发泡绳；
(4)阻燃发泡绳的制备
将涂料倒入淋膜机中，将发泡绳引入压辊中进行覆膜，在控温装置中烘干定型，经辊轮组压合，将压合成型的阻燃发泡绳送入冷却装置冷却，最后收卷切割，即得到阻燃发泡绳。
2.根据权利要求1所述的一种阻燃发泡绳，其特征在于：所述的阻燃发泡绳阻燃覆膜的厚度为0.1mm-0.3mm。
3.根据权利要求1所述的一种阻燃发泡绳，其特征在于：所述的增塑剂为环氧脂肪酸丙酯、萘二酸二乙酯中的一种。
4.根据权利要求1所述的一种阻燃发泡绳，其特征在于：所述的消泡剂为硅酮丙三醇、聚氧乙烯聚氧丙烯季戊四醇醚的混合物，硅酮丙三醇、聚氧乙烯聚氧丙烯季戊四醇醚的重量比为1：1。
5.根据权利要求1所述的一种阻燃发泡绳，其特征在于：所述的平光剂为肉豆蔻酸锌、醋酸钙中的一种。
6.根据权利要求1所述的一种阻燃发泡绳，其特征在于：所述的氢氧化镁纳米溶胶组成的重量百分比如下：氢氧化镁50％-60％、纳米二氧化钛10％-20％、环氧树脂10％-15％、软胶粉6％-12％、蛭石粉3％-6％、偏磷酸钠3％-6％、聚天冬酸2％-5％、甲壳素1％-4％、余量为纯化水。
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