CN114959932A - 一种耐高温聚丙烯编织袋及其制备方法 - Google Patents

一种耐高温聚丙烯编织袋及其制备方法 Download PDF

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CN114959932A
CN114959932A CN202210635256.4A CN202210635256A CN114959932A CN 114959932 A CN114959932 A CN 114959932A CN 202210635256 A CN202210635256 A CN 202210635256A CN 114959932 A CN114959932 A CN 114959932A
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woven bag
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蒋铮
蒋建华
邵春侠
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Anhui Sujin New Material Technology Development Co ltd
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Abstract

本发明公开了一种耐高温聚丙烯编织袋，其原料按质量份计由以下成分组成：聚丙烯颗粒150‑160份、玻璃纤维20‑25份、纳米钛白粉3‑5份，聚乙烯蜡2‑4份、陶瓷纤维5‑7、紫外线吸收剂2份、抗氧化剂1份、偶联剂1份和松节油0.5份。该编织袋，在原料中添加了陶瓷纤维和玻璃纤维，大大提高了编织袋本体的耐高温性能，纳米钛白粉具有具有抗紫外线、抗菌性能，大幅度的提高了该编织袋的耐候性，聚乙烯蜡能够提高整体聚丙烯混合原料的耐高温性能，将其耐高温能力提升到150℃以上，从而满特别高温环境下的使用需求，在制备过程中，在对编织成型的袋体表面涂覆阻燃层，大大的延缓的袋体遇到明火时的引燃时间，同时其表面设置有抗氧化层，可以提高编织袋的寿命，延长寿命。

Description

一种耐高温聚丙烯编织袋及其制备方法
技术领域
本发明涉及编织袋技术领域，尤其涉及一种耐高温聚丙烯编织袋及其制备方法。
背景技术
塑料编织袋按主要材料构成为聚丙烯袋、聚乙烯袋；按缝制方法分为缝底袋、缝边底袋。目前广泛应用于肥料、化工产品等物品的一种包装材料。其主要生产工艺是利用塑料原料经挤出薄膜、切割、单向拉伸为扁丝，经过经纬编织得到产品，一般称为编织袋。
聚丙烯(Polypropylene，简称PP)是一种半结晶的热塑性塑料。具有较高的耐冲击性，机械性质强韧，抗多种有机溶剂和酸碱腐蚀。在工业界有广泛的应用，是平常常见的高分子材料之一，目前，聚丙烯用作于编织袋的主要原料，生产出的塑料编织袋其耐高温性能较差。
采用普通聚丙烯母料制作的编织袋的耐高温在100℃左右，而特种编织袋的耐高温条件需要达到150℃左右，为此，本发明提出一种耐高温聚丙烯编织袋及其制备方法。
发明内容
本发明的目的是为了解决现有技术中存在的缺点，而提出的一种耐高温聚丙烯编织袋及其制备方法。
为了实现上述目的，本发明采用了如下技术方案：
1、一种耐高温聚丙烯编织袋，其原料按质量份计由以下成分组成：聚丙烯颗粒150-160份、玻璃纤维20-25份、纳米钛白粉3-5份，聚乙烯蜡2-4份、陶瓷纤维5-7、紫外线吸收剂2份、抗氧化剂1份、偶联剂1份和松节油0.5份。
进一步优选地，原料按质量份计由以下成分组成：聚丙烯颗粒155份、玻璃纤维20份、纳米钛白粉3份，聚乙烯蜡4份、陶瓷纤维5、紫外线吸收剂2份、抗氧化剂1份、偶联剂1份和松节油0.5份。
进一步优选地，所述紫外线吸收剂为UV-1聚氨酯泡沫，所述抗氧化剂为聚烯经抗氧剂。
2、上述一种耐高温聚丙烯编织袋的制备方法，包括以下步骤：
(1)原料混合：将原料聚丙烯颗粒、玻璃纤维、纳米钛白粉和陶瓷纤维，混合后加热至200-300℃，使其形成熔融状态，再加入聚乙烯蜡、紫外线吸收剂和松节油；
(2)制备扁丝：将原料通过螺杆挤出机挤出制备形成薄膜，并将薄膜拉伸后，并切割成多根条状扁丝；
(3)编织成袋：将扁丝收卷后进行编织，得到编织袋体；
(4)表面处理：利用步骤S1中的熔融原料对编织袋体表面进行喷涂，喷涂厚度低于0.1mm，最后喷涂抗氧化剂。
进一步优选地，所述挤出机压力控制在1.2-1.6MPa，控制螺杆转速为60-80r/min，升温使螺杆温度为：一区140±20℃、二区200±20℃、三区210±20℃、四区240±20℃、五区250±20℃，模头温度控制在200±20℃。
进一步优选地，所述表面处理后涂覆阻燃层，阻燃层是由阻燃母料和聚乙烯组成。
本发明具有以下有益效果：
1、该耐高温聚丙烯编织袋，在原料中添加了陶瓷纤维和玻璃纤维，大大提高了编织袋本体的耐高温性能，同时纳米钛白粉具有具有抗紫外线、抗菌性能，大幅度的提高了该编织袋的耐候性，内部的聚乙烯蜡，能够提高整体聚丙烯混合原料的耐高温性能，将其耐高温能力提升到150℃以上，从而满特别高温环境下的使用需求。
2、在该耐高温聚丙烯编织袋的制备过程中，在对编织成型的袋体表面涂覆阻燃层，大大的延缓的袋体遇到明火时的引燃时间，同时其表面设置有抗氧化层，可以提高编织袋的寿命，延长寿命。
附图说明
图1为本发明提出的一种耐高温聚丙烯编织袋的制备流程示意图。
具体实施方式
下面将结合本发明实施例中的附图，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。
在本发明的描述中，需要理解的是，术语“上”、“下”、“前”、“后”、“左”、“右”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
实施例1
一种耐高温聚丙烯编织袋，原料按质量份计由以下成分组成：聚丙烯颗粒155份、玻璃纤维20份、纳米钛白粉3份，聚乙烯蜡4份、陶瓷纤维5、紫外线吸收剂2份、抗氧化剂1份、偶联剂1份和松节油0.5份。
紫外线吸收剂为UV-1聚氨酯泡沫，抗氧化剂为聚烯经抗氧剂。
该耐高温聚丙烯编织袋制备过程中，包括以下方法：
S1原料混合：将原料聚丙烯颗粒、玻璃纤维、纳米钛白粉和陶瓷纤维，混合后加热至250℃，使其形成熔融状态，再加入聚乙烯蜡、紫外线吸收剂和松节油；
S2制备扁丝：将原料通过螺杆挤出机挤出制备形成薄膜，并将薄膜拉伸后，并切割成多根条状扁丝；
挤出机压力控制在1.2MPa，控制螺杆转速为80r/min，升温使螺杆温度为：一区150℃、二区200℃、三区210℃、四区240℃、五区250℃，模头温度控制在220℃；
S3编织成袋：将扁丝收卷后进行编织，得到编织袋体；
S4表面处理：利用步骤S1中的熔融原料对编织袋体表面进行喷涂，喷涂厚度低于0.1mm，最后喷涂抗氧化剂，喷涂阻燃层。
本实施例中，
实施例2
一种耐高温聚丙烯编织袋，原料按质量份计由以下成分组成：聚丙烯颗粒160份、玻璃纤维25份、纳米钛白粉5份，聚乙烯蜡2份、陶瓷纤维7、紫外线吸收剂2份、抗氧化剂1份、偶联剂1份和松节油0.5份。
紫外线吸收剂为UV-1聚氨酯泡沫，抗氧化剂为聚烯经抗氧剂。
该耐高温聚丙烯编织袋制备过程中，包括以下方法：
S1原料混合：将原料聚丙烯颗粒、玻璃纤维、纳米钛白粉和陶瓷纤维，混合后加热至280℃，使其形成熔融状态，再加入聚乙烯蜡、紫外线吸收剂和松节油；
S2制备扁丝：将原料通过螺杆挤出机挤出制备形成薄膜，并将薄膜拉伸后，并切割成多根条状扁丝；
挤出机压力控制在1.2MPa，控制螺杆转速为60r/min，升温使螺杆温度为：一区140℃、二区210℃、三区220℃、四区230℃、五区250℃，模头温度控制在220℃；
S3编织成袋：将扁丝收卷后进行编织，得到编织袋体；
S4表面处理：利用步骤S1中的熔融原料对编织袋体表面进行喷涂，喷涂厚度低于0.1mm，最后喷涂抗氧化剂，喷涂阻燃层。
在对编织成型的袋体表面涂覆阻燃层，大大的延缓的袋体遇到明火时的引燃时间，同时其表面设置有抗氧化层，可以提高编织袋的寿命，延长寿命。
本发明中提出的耐高温聚丙烯编织袋，在原料中添加了陶瓷纤维和玻璃纤维，大大提高了编织袋本体的耐高温性能，同时纳米钛白粉具有具有抗紫外线、抗菌性能，大幅度的提高了该编织袋的耐候性，内部的聚乙烯蜡，能够提高整体聚丙烯混合原料的耐高温性能，将其耐高温能力提升到150℃以上，从而满特别高温环境下的使用需求。
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。

Claims (6)

1.一种耐高温聚丙烯编织袋，其特征在于，原料按质量份计由以下成分组成：聚丙烯颗粒150-160份、玻璃纤维20-25份、纳米钛白粉3-5份，聚乙烯蜡2-4份、陶瓷纤维5-7、紫外线吸收剂2份、抗氧化剂1份、偶联剂1份和松节油0.5份。
2.根据权利要求1所述的一种耐高温聚丙烯编织袋，其特征在于，原料按质量份计由以下成分组成：聚丙烯颗粒155份、玻璃纤维20份、纳米钛白粉3份，聚乙烯蜡4份、陶瓷纤维5、紫外线吸收剂2份、抗氧化剂1份、偶联剂1份和松节油0.5份。
3.根据权利要求1所述的一种耐高温聚丙烯编织袋，其特征在于：所述紫外线吸收剂为UV-1聚氨酯泡沫，所述抗氧化剂为聚烯经抗氧剂。
4.根据权利要求1-3任一项所述的一种耐高温聚丙烯编织袋的制备方法，其特征在于，包括以下步骤：
S1原料混合：将原料聚丙烯颗粒、玻璃纤维、纳米钛白粉和陶瓷纤维，混合后加热至200-300℃，使其形成熔融状态，再加入聚乙烯蜡、紫外线吸收剂和松节油；
S2制备扁丝：将原料通过螺杆挤出机挤出制备形成薄膜，并将薄膜拉伸后，并切割成多根条状扁丝；
S3编织成袋：将扁丝收卷后进行编织，得到编织袋体；
S4表面处理：利用步骤S1中的熔融原料对编织袋体表面进行喷涂，喷涂厚度低于0.1mm，最后喷涂抗氧化剂。
5.根据权利要求4所述的一种耐高温聚丙烯编织袋的制备方法，其特征在于：所述挤出机压力控制在1.2-1.6MPa，控制螺杆转速为60-80r/min，升温使螺杆温度为：一区140±20℃、二区200±20℃、三区210±20℃、四区240±20℃、五区250±20℃，模头温度控制在200±20℃。
6.根据权利要求4所述的一种耐高温聚丙烯编织袋的制备方法，其特征在于：所述步骤S4表面处理后涂覆阻燃层，阻燃层是由阻燃母料和聚乙烯组成。
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