CN113403003A - 一种高硬度热熔胶片的配方及其制备方法 - Google Patents

一种高硬度热熔胶片的配方及其制备方法 Download PDF

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CN113403003A
CN113403003A CN202110700930.8A CN202110700930A CN113403003A CN 113403003 A CN113403003 A CN 113403003A CN 202110700930 A CN202110700930 A CN 202110700930A CN 113403003 A CN113403003 A CN 113403003A
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melt adhesive
adhesive sheet
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张明耀
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Quanzhou Zhongbao Shoe Material Co ltd
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Abstract

本发明涉及热熔胶技术领域，具体为一种高硬度热熔胶片的配方及其制备方法，其具体成分包括改性石油树脂、EVA、增塑剂、SBS弹性体、POE弹性体、异氰酸酯硅氧烷、松香树脂、纳米复合填料、吸收性纤维、硅烷偶联剂、PP蜡和抗氧化剂，其能够提高鞋用热熔胶片的硬度、拉伸强度等性能，有效解决现有技术中鞋用热熔胶片硬度较低，容易扭曲变形的问题，能够提高热熔胶对鞋面的定型、保护能力，具有实用意义和推广价值，预期能够产生良好的经济效益。

Description

一种高硬度热熔胶片的配方及其制备方法
技术领域
本发明涉及热熔胶技术领域，具体为一种高硬度热熔胶片的配方及其制备方法。
背景技术
热熔胶（英文名：Hot Glue）是一种可塑性的粘合剂，在一定温度范围内其物理状态随温度改变而改变，而化学特性不变，其无毒无味，属环保型化学产品。因其产品本身系固体，便于包装、运输、存储、无溶剂、无污染、无毒型；以及生产工艺简单，高附加值，黏合强度大、速度快等优点而备受青睐。
在鞋面加工中常需要使用到热熔胶，例如以热熔胶为主要材料的港宝、鞋头定型片，鞋的种类按照其用途来划分可谓是多种多样，这样用于鞋面加工的热熔胶就提出了进一步的性能需求，例如登山鞋的鞋头定型片就对热熔胶的硬度要求较高，传统的热熔胶硬度较为一般容易扭曲变形，为此申请人研发出了一种具有高硬度的热熔胶。
发明内容
本发明的目的在于提供一种高硬度热熔胶片的配方，以解决背景技术中所提到的问题。
为达到上述目的，本发明提供一种高硬度热熔胶片的配方，包括改性石油树脂、EVA、增塑剂、SBS弹性体、POE弹性体、异氰酸酯硅氧烷、松香树脂、纳米复合填料、吸收性纤维、硅烷偶联剂、PP蜡和抗氧化剂。
优选的，各组份按重量份数计为改性石油树脂50～80份、EVA60～100份、增塑剂10～20份、SBS弹性体20～40份、POE弹性体20～40份、异氰酸酯硅氧烷5～8份、松香树脂10～20份、纳米复合填料20～40份、吸收性纤维1～4份、硅烷偶联剂1～3、PP蜡4～8份、抗氧化剂1～3份。
优选的，所述改性石油树脂由质量比为1:1～1：2的α-甲基苯乙烯改性石油树脂和苯乙烯改性间戊二烯石油树脂混合得到。
优选的，所述EVA由质量比为1：3～1：5两种流动性指数不同的EVA混合得到。
优选的，所述EVA由质量比为1：3～1：5两种且熔指约为400、60的EVA混合得到。
优选的，所述松香树脂在具体实施中采用松香酸硬脂酸季戊四醇酯。
优选的，所述纳米复合填料采用质量比分别为2：1：1的α-Al2O3、六环石和凹凸棒土的纳米粉料混合得到。
优选的，所述吸收性纤维在具体实施中采用再生纤维素纤维。
此外，本发明还提供了上述一种高硬度热熔胶片的制备方法，包括如下步骤：
（a）将改性石油树脂、EVA、增塑剂、SBS弹性体、POE弹性体、异氰酸酯硅氧烷、松香树脂、硅烷偶联剂、PP蜡和抗氧化剂按比例混合均匀，在密炼机120℃下混炼15min；
（（b）往密炼机内加入纳米复合填料、吸收性纤维，120℃下搅拌15min；
（c）将步骤（b）得到的物料在180℃的双螺杆挤出机中挤出、造粒；
（d）将步骤（c）得到的胶粒加入热熔胶涂布机涂布在布料表面，经冷却压轮压合出不同厚度。
进一步的，布料可为细布、棉布或水刺布。
本发明提供的一种高硬度热熔胶片的配方及其制备方法，其能够提高鞋用热熔胶片的硬度、拉伸强度等性能，有效解决现有技术中鞋用热熔胶片硬度较低，容易扭曲变形的问题，能够提高热熔胶对鞋面的定型、保护能力，具有实用意义和推广价值，预期能够产生良好的经济效益。
具体实施方式
下面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做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
实施例1
一种高硬度热熔胶片的配方，按重量份数计为改性石油树脂60份、EVA80份、增塑剂15份、SBS弹性体30份、POE弹性体30份、异氰酸酯硅氧烷6份、松香树脂15份、纳米复合填料30份、吸收性纤维3份、硅烷偶联剂3、PP蜡6份、抗氧化剂3份。
实施例2
一种高硬度热熔胶片的配方，按重量份数计为改性石油树脂50份、EVA80份、增塑剂15份、SBS弹性体30份、POE弹性体30份、异氰酸酯硅氧烷6份、松香树脂15份、纳米复合填料30份、吸收性纤维3份、硅烷偶联剂3、PP蜡6份、抗氧化剂3份。
实施例3
一种高硬度热熔胶片的配方，按重量份数计为改性石油树脂70份、EVA80份、增塑剂15份、SBS弹性体30份、POE弹性体30份、异氰酸酯硅氧烷6份、松香树脂15份、纳米复合填料30份、吸收性纤维3份、硅烷偶联剂3、PP蜡6份、抗氧化剂3份。
实施例4
一种高硬度热熔胶片的配方，按重量份数计为改性石油树脂80份、EVA80份、增塑剂15份、SBS弹性体30份、POE弹性体30份、异氰酸酯硅氧烷6份、松香树脂15份、纳米复合填料30份、吸收性纤维3份、硅烷偶联剂3、PP蜡6份、抗氧化剂3份。
实施例5
一种高硬度热熔胶片的配方，按重量份数计为改性石油树脂60份、EVA80份、增塑剂15份、SBS弹性体30份、POE弹性体30份、异氰酸酯硅氧烷6份、松香树脂15份、纳米复合填料20份、吸收性纤维3份、硅烷偶联剂3、PP蜡6份、抗氧化剂3份。
实施例6
一种高硬度热熔胶片的配方，按重量份数计为改性石油树脂60份、EVA80份、增塑剂15份、SBS弹性体30份、POE弹性体30份、异氰酸酯硅氧烷6份、松香树脂15份、纳米复合填料40份、吸收性纤维3份、硅烷偶联剂3、PP蜡6份、抗氧化剂3份。
所述改性石油树脂由质量比为1:1～1：2的α-甲基苯乙烯改性石油树脂和苯乙烯改性间戊二烯石油树脂混合得到。
所述增塑剂在采用邻苯二甲酸丁酯。
所述硅氧偶联剂采用牌号为KH530 1-2的硅氧偶联剂。
所述EVA由质量比为1：3～1：5两种且熔指约为400、60的EVA混合得到。
所述松香树脂采用松香酸硬脂酸季戊四醇酯。
所述纳米复合填料采用质量比分别为2：1：1的α-Al2O3、六环石和凹凸棒土的纳米粉料混合得到。
所述抗氧化剂在采用牌号为1010的抗氧化剂。
所述吸收性纤维在具体实施中采用再生纤维素纤维，加入吸收性纤维的目的在于提高热熔胶的机械性能，同时吸收性纤维表面具有众多具渗透性、迁移性的微孔，使得吸收性纤维和热熔胶具有较好的结合性。
具体实施步骤如下：
（a）将改性石油树脂、EVA、增塑剂、SBS弹性体、POE弹性体、异氰酸酯硅氧烷、松香树脂、硅烷偶联剂、PP蜡和抗氧化剂按比例混合均匀，在密炼机120℃下混炼15min；
（（b）往密炼机内加入纳米复合填料、吸收性纤维，120℃下搅拌15min；
（c）将步骤（b）得到的物料在180℃的双螺杆挤出机中挤出、造粒；
（d）将步骤（c）得到的胶粒加入热熔胶涂布机涂布在细布表面，经冷却压轮压合出指定厚度。
表1.各实施例物理性能测试
实施例 拉伸强度/MPa 拉伸剪切强度/MPa 硬度/HA 熔融指数/g•min<sup>-1</sup>
1 7.4 7.8 92 38.6
2 7.4 7.9 93 39.5
3 7.3 7.8 92 43.8
4 7.1 7.3 90 46.3
5 7.5 8.1 96 19.5
6 7.9 8.4 99 6.2
注：拉伸强度采用万能拉力试验机，按GB/T528-2009对热熔胶试样进行测试；拉伸剪切强度采用万能电子拉力试验机，按GB/T7124-2008对热熔胶试样进行测试；硬度采用邵A硬度计，按GB/T531-1999对热熔胶试样进行测定；熔融指数采用塑料熔融指数测定机，按GB/T3682-2000熔体质量流动速率方法进行测试。
本领域的技术人员容易理解，以上所述仅为本发明的实例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (10)

1.一种高硬度热熔胶片的配方，其特征在于：
包括改性石油树脂、EVA、增塑剂、SBS弹性体、POE弹性体、异氰酸酯硅氧烷、松香树脂、纳米复合填料、吸收性纤维、硅烷偶联剂、PP蜡和抗氧化剂。
2.根据权利要求1所述的一种高硬度热熔胶片的配方，其特征在于：各组份按重量份数计为改性石油树脂50～80份、EVA60～100份、增塑剂10～20份、SBS弹性体20～40份、POE弹性体20～40份、异氰酸酯硅氧烷5～8份、松香树脂10～20份、纳米复合填料20～40份、吸收性纤维1～4份、硅烷偶联剂1～3、PP蜡4～8份、抗氧化剂1～3份。
3.根据权利要求1所述的一种高硬度热熔胶片的配方，其特征在于：所述改性石油树脂由质量比为1:1～1：2的α-甲基苯乙烯改性石油树脂和苯乙烯改性间戊二烯石油树脂混合得到。
4.根据权利要求1所述的一种高硬度热熔胶片的配方，其特征在于：所述EVA由质量比为1：3～1：5两种流动性指数不同的EVA混合得到。
5.根据权利要求4所述的一种高硬度热熔胶片的配方，其特征在于：所述EVA由质量比为1：3～1：5两种且熔指约为400、60的EVA混合得到。
6.根据权利要求1所述的一种高硬度热熔胶片的配方，其特征在于：所述松香树脂在具体实施中采用松香酸硬脂酸季戊四醇酯。
7.根据权利要求1所述的一种高硬度热熔胶片的配方，其特征在于：所述纳米复合填料采用质量比分别为2：1：1的α-Al2O3、六环石和凹凸棒土的纳米粉料混合得到。
8.根据权利要求1所述的一种高硬度热熔胶片的配方，其特征在于：所述吸收性纤维在具体实施中采用再生纤维素纤维。
9.根据权利要求1所述的一种高硬度热熔胶片的制备方法，其特征在于，包括如下步骤：
(a)将改性石油树脂、EVA、增塑剂、SBS弹性体、POE弹性体、异氰酸酯硅氧烷、松香树脂、硅烷偶联剂、PP蜡和抗氧化剂按比例混合均匀，在密炼机120℃下混炼15min；
(b)往密炼机内加入纳米复合填料、吸收性纤维，120℃下搅拌15min；
(c)将步骤(b)得到的物料在180℃的双螺杆挤出机中挤出、造粒；
(d)将步骤(c)得到的胶粒加入热熔胶涂布机涂布在布料表面，经冷却压轮压合出不同厚度。
10.根据权利要求9所述的一种高硬度热熔胶片的制备方法，其特征在于：布料为可细布、棉布或水刺布。
CN202110700930.8A 2021-06-23 2021-06-23 一种高硬度热熔胶片的配方及其制备方法 Pending CN113403003A (zh)

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