CN104844917B - 一种不脱胶耐磨鞋底及其制备方法 - Google Patents

一种不脱胶耐磨鞋底及其制备方法 Download PDF

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CN104844917B
CN104844917B CN201510236001.0A CN201510236001A CN104844917B CN 104844917 B CN104844917 B CN 104844917B CN 201510236001 A CN201510236001 A CN 201510236001A CN 104844917 B CN104844917 B CN 104844917B
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何少敏
陈猛
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Abstract

本发明公开了一种不脱胶耐磨鞋底,以重量份计,包括以下组分:EVA30‑50份,硬脂酸钙10‑20份,纳米碳酸钙5‑10份,硬脂酸锌5‑10份,丁苯橡胶20‑30份,三元乙丙橡胶10‑15份,纳米氧化钛5‑8份,硫化剂1‑3份,架桥剂2‑5份,相容剂5‑10份,抗老化剂2‑8份,环氧树脂5‑15份,聚丙烯酸酯5‑15份,发泡剂2‑5份。本发明还公开了该不脱胶耐磨鞋底的制备方法。本发明提供的鞋底,不脱胶,不变色,耐磨性好,柔软舒适,机械性能好,材料环保,对人体无害。

Description

一种不脱胶耐磨鞋底及其制备方法
技术领域:
本发明涉及鞋底材料技术领域,具体的涉及一种不脱胶耐磨鞋底及其制备方法。
背景技术:
鞋子是我们日常生活中常常用到的物品,而鞋底是制作鞋子必不可少的部分,其中EVA发泡运动鞋底自从进入中国市场之后,由于其轻便、弹性好、韧性强、脚感舒适的优点得到了广大消费者好评与认可。EVA是由乙烯-醋酸乙烯共聚而成的共聚物,简称EVA,EVA中底就是指把EVA注入模具后通过高温加热后一次成型的鞋中底,但是EVA鞋底耐磨性差,常常需要与橡胶大底贴合制备成鞋底材料。该方法常常要先将橡胶大底打磨,再用处理剂对橡胶大底及EVA中底进行处理,然后使用胶水将橡胶大底与EVA中底粘合,但是其工作流程多,且处理剂和胶水对环境有污染,得到的鞋底容易发生脱胶现象。
中国专利(201310407289.4)提供了一种鞋材用环保材料及其制备方法与用途,该鞋材用环保材料包括EVA、EVA相容剂、过氧化物硫化剂、抗氧化剂,但是其采用DCP硫化剂,对人体有害,且该材料粘结性不好,与橡胶胶料相容性不好,高温稳定性差。
发明内容:
本发明的目的是提供一种不脱胶耐磨鞋底,其不脱胶,不变色,耐磨性好,柔软舒适,机械性能好,材料环保,对人体无害。
本发明的另一个目的是提供该不脱胶耐磨鞋底的制备方法。
为实现上述目的,本发明采用以下技术方案:
一种不脱胶耐磨鞋底,以重量份计,包括以下组分:
EVA30-50份,硬脂酸钙10-20份,
纳米碳酸钙5-10份,硬脂酸锌5-10份,
丁苯橡胶20-30份,三元乙丙橡胶10-15份,
纳米氧化钛5-8份,硫化剂1-3份,
架桥剂2-5份,相容剂5-10份,
抗老化剂2-8份,环氧树脂5-15份,
聚丙烯酸酯5-15份,发泡剂2-5份。
作为上述技术方案的优选,一种不脱胶耐磨鞋底,以重量份计,包括以下组分:
EVA40份,硬脂酸钙15份,
纳米碳酸钙10份,硬脂酸锌7份,
丁苯橡胶25份,三元乙丙橡胶12份,
纳米氧化钛6份,硫化剂2份,
架桥剂5份,相容剂8份,
抗老化剂6份,环氧树脂11份,
聚丙烯酸酯12份,发泡剂3份。
作为上述技术方案的优选,所述EVA中VA的含量为20-30%。
作为上述技术方案的优选,所述纳米碳酸钙的粒径为20-30nm,所述纳米氧化钛的粒径为5-10nm。
作为上述技术方案的优选,所述硫化剂为二硫化二己内酰胺与C-14A硅橡胶硫化剂的混合物,二者质量比为0.05-0.065:1。
作为上述技术方案的优选,所述架桥剂为N-羟甲基丙烯酰胺。
作为上述技术方案的优选,所述相容剂为硅烷偶联剂、钛酸酯偶联剂、TPU、聚乙烯的混合物,四者质量比为0.01-0.05:0.01:0.5-0.8:1。
一种不脱胶耐磨鞋底的制备方法,包括以下步骤:
(1)将EVA、硬脂酸钙、纳米碳酸钙加入到高速捏合机中,在150-180℃下,捏合10-12min,继续加入发泡剂,捏合5-10min,得到预发泡的EVA材料;
(2)将丁苯橡胶、三元乙丙橡胶加入高速捏合机中,在180-200℃下,捏合5-10min,继续加入硬脂酸锌、纳米氧化钛,捏合5-12min,得到橡胶胶料;
(3)将EVA、环氧树脂、聚丙烯酸酯加入到高速捏合机中,在180℃下,捏合8-15min,继续加入硫化剂、相容剂、架桥剂、抗老化剂,捏合5-10min,得到EVA胶结料;
(4)将步骤(2)得到的橡胶胶料加入到模具中,预成型后,再加入步骤(3)得到的EVA胶结料,合模硫化后得到橡胶大底鞋用材料;将步骤(1)中的预发泡EVA材料加入到中底模具中,加入上述橡胶大底鞋用材料,然后同时加压加热,冷却后,得到不脱胶耐磨鞋底。
作为上述技术方案的优选,步骤(1)中所述捏合的温度为165℃,步骤(2)中所述捏合的温度为180℃。
与现有技术相比,本发明具有以下有益效果:
(1)本发明提供的鞋底不脱胶,不变色,耐磨性好,柔软舒适,机械性能好,材料环保,对人体无害;
(2)本发明通过调节鞋底各组成部分的配方和工艺,使得得到的橡胶胶料耐磨性好,加工性能优异,机械性能好;EVA发泡材料柔软舒适,透气性好,耐高温性能好;EVA胶结料使得橡胶大底与EVA中底很好的融合在一起,制成一体化的耐磨鞋底,避免了使用胶水引起的脱胶、易变色,高温性能差等缺点;
(3)本发明的制备工艺简单,易于控制,对设备要求低,原材料价格低廉,成本低。
具体实施方式:
为更好的理解本发明,下面通过实施例,对本发明进一步说明,实施例只用于解释本发明,不会对本发明构成任何的限定。
实施例1
一种不脱胶耐磨鞋底,以重量份计,包括以下组分:
EVA30份,硬脂酸钙10份,
纳米碳酸钙5份,硬脂酸锌5份,
丁苯橡胶20份,三元乙丙橡胶10份,
纳米氧化钛5份,硫化剂1份,
架桥剂2份,相容剂5份,
抗老化剂2份,环氧树脂5份,
聚丙烯酸酯5份,发泡剂2份。
其制备方法包括以下步骤:
(1)将EVA、硬脂酸钙、纳米碳酸钙加入到高速捏合机中,在150℃下,捏合10min,继续加入发泡剂,捏合5min,得到预发泡的EVA材料;
(2)将丁苯橡胶、三元乙丙橡胶加入高速捏合机中,在180℃下,捏合5min,继续加入硬脂酸锌、纳米氧化钛,捏合5min,得到橡胶胶料;
(3)将EVA、环氧树脂、聚丙烯酸酯加入到高速捏合机中,在180℃下,捏合8min,继续加入硫化剂、相容剂、架桥剂、抗老化剂,捏合5min,得到EVA胶结料;
(4)将步骤(2)得到的橡胶胶料加入到模具中,预成型后,再加入步骤(3)得到的EVA胶结料,合模硫化后得到橡胶大底鞋用材料;将步骤(1)中的预发泡EVA材料加入到中底模具中,加入上述橡胶大底鞋用材料,然后同时加压加热,冷却后,得到不脱胶耐磨鞋底。
实施例2
一种不脱胶耐磨鞋底,以重量份计,包括以下组分:
EVA50份,硬脂酸钙20份,
纳米碳酸钙10份,硬脂酸锌10份,
丁苯橡胶30份,三元乙丙橡胶15份,
纳米氧化钛8份,硫化剂3份,
架桥剂5份,相容剂10份,
抗老化剂8份,环氧树脂15份,
聚丙烯酸酯15份,发泡剂5份。
其制备方法包括以下步骤:
(1)将EVA、硬脂酸钙、纳米碳酸钙加入到高速捏合机中,在180℃下,捏合12min,继续加入发泡剂,捏合10min,得到预发泡的EVA材料;
(2)将丁苯橡胶、三元乙丙橡胶加入高速捏合机中,在200℃下,捏合10min,继续加入硬脂酸锌、纳米氧化钛,捏合12min,得到橡胶胶料;
(3)将EVA、环氧树脂、聚丙烯酸酯加入到高速捏合机中,在180℃下,捏合15min,继续加入硫化剂、相容剂、架桥剂、抗老化剂,捏合10min,得到EVA胶结料;
(4)将步骤(2)得到的橡胶胶料加入到模具中,预成型后,再加入步骤(3)得到的EVA胶结料,合模硫化后得到橡胶大底鞋用材料;将步骤(1)中的预发泡EVA材料加入到中底模具中,加入上述橡胶大底鞋用材料,然后同时加压加热,冷却后,得到不脱胶耐磨鞋底。
实施例3
一种不脱胶耐磨鞋底,以重量份计,包括以下组分:
EVA35份,硬脂酸钙12份,
纳米碳酸钙6份,硬脂酸锌6份,
丁苯橡胶22份,三元乙丙橡胶11份,
纳米氧化钛5.5份,硫化剂1.5份,
架桥剂2.5份,相容剂6份,
抗老化剂3份,环氧树脂7份,
聚丙烯酸酯7份,发泡剂2.5份。
其制备方法包括以下步骤:
(1)将EVA、硬脂酸钙、纳米碳酸钙加入到高速捏合机中,在155℃下,捏合10.5min,继续加入发泡剂,捏合6min,得到预发泡的EVA材料;
(2)将丁苯橡胶、三元乙丙橡胶加入高速捏合机中,在185℃下,捏合6min,继续加入硬脂酸锌、纳米氧化钛,捏合6min,得到橡胶胶料;
(3)将EVA、环氧树脂、聚丙烯酸酯加入到高速捏合机中,在180℃下,捏合9min,继续加入硫化剂、相容剂、架桥剂、抗老化剂,捏合6min,得到EVA胶结料;
(4)将步骤(2)得到的橡胶胶料加入到模具中,预成型后,再加入步骤(3)得到的EVA胶结料,合模硫化后得到橡胶大底鞋用材料;将步骤(1)中的预发泡EVA材料加入到中底模具中,加入上述橡胶大底鞋用材料,然后同时加压加热,冷却后,得到不脱胶耐磨鞋底。
实施例4
一种不脱胶耐磨鞋底,以重量份计,包括以下组分:
EVA40份,硬脂酸钙14份,
纳米碳酸钙7份,硬脂酸锌7份,
丁苯橡胶24份,三元乙丙橡胶12份,
纳米氧化钛6份,硫化剂1.8份,
架桥剂3份,相容剂7份,
抗老化剂4份,环氧树脂9份,
聚丙烯酸酯9份,发泡剂3份。
其制备方法包括以下步骤:
(1)将EVA、硬脂酸钙、纳米碳酸钙加入到高速捏合机中,在160℃下,捏合11min,继续加入发泡剂,捏合7min,得到预发泡的EVA材料;
(2)将丁苯橡胶、三元乙丙橡胶加入高速捏合机中,在190℃下,捏合7min,继续加入硬脂酸锌、纳米氧化钛,捏合7min,得到橡胶胶料;
(3)将EVA、环氧树脂、聚丙烯酸酯加入到高速捏合机中,在180℃下,捏合10min,继续加入硫化剂、相容剂、架桥剂、抗老化剂,捏合7min,得到EVA胶结料;
(4)将步骤(2)得到的橡胶胶料加入到模具中,预成型后,再加入步骤(3)得到的EVA胶结料,合模硫化后得到橡胶大底鞋用材料;将步骤(1)中的预发泡EVA材料加入到中底模具中,加入上述橡胶大底鞋用材料,然后同时加压加热,冷却后,得到不脱胶耐磨鞋底。
实施例5
一种不脱胶耐磨鞋底,以重量份计,包括以下组分:
EVA45份,硬脂酸钙16份,
纳米碳酸钙8份,硬脂酸锌8份,
丁苯橡胶26份,三元乙丙橡胶13份,
纳米氧化钛6.5份,硫化剂2.5份,
架桥剂3.5份,相容剂8份,
抗老化剂5份,环氧树脂11份,
聚丙烯酸酯11份,发泡剂3.5份。
其制备方法包括以下步骤:
(1)将EVA、硬脂酸钙、纳米碳酸钙加入到高速捏合机中,在165℃下,捏合11min,继续加入发泡剂,捏合8min,得到预发泡的EVA材料;
(2)将丁苯橡胶、三元乙丙橡胶加入高速捏合机中,在195℃下,捏合8min,继续加入硬脂酸锌、纳米氧化钛,捏合10min,得到橡胶胶料;
(3)将EVA、环氧树脂、聚丙烯酸酯加入到高速捏合机中,在180℃下,捏合11min,继续加入硫化剂、相容剂、架桥剂、抗老化剂,捏合8min,得到EVA胶结料;
(4)将步骤(2)得到的橡胶胶料加入到模具中,预成型后,再加入步骤(3)得到的EVA胶结料,合模硫化后得到橡胶大底鞋用材料;将步骤(1)中的预发泡EVA材料加入到中底模具中,加入上述橡胶大底鞋用材料,然后同时加压加热,冷却后,得到不脱胶耐磨鞋底。
实施例6
一种不脱胶耐磨鞋底,以重量份计,包括以下组分:
EVA48份,硬脂酸钙18份,
纳米碳酸钙9份,硬脂酸锌9份,
丁苯橡胶28份,三元乙丙橡胶14份,
纳米氧化钛7份,硫化剂2.8份,
架桥剂4份,相容剂9份,
抗老化剂7份,环氧树脂13份,
聚丙烯酸酯13份,发泡剂4.5份。
其制备方法包括以下步骤:
(1)将EVA、硬脂酸钙、纳米碳酸钙加入到高速捏合机中,在178℃下,捏合12min,继续加入发泡剂,捏合9min,得到预发泡的EVA材料;
(2)将丁苯橡胶、三元乙丙橡胶加入高速捏合机中,在198℃下,捏合9min,继续加入硬脂酸锌、纳米氧化钛,捏合11min,得到橡胶胶料;
(3)将EVA、环氧树脂、聚丙烯酸酯加入到高速捏合机中,在180℃下,捏合13min,继续加入硫化剂、相容剂、架桥剂、抗老化剂,捏合9min,得到EVA胶结料;
(4)将步骤(2)得到的橡胶胶料加入到模具中,预成型后,再加入步骤(3)得到的EVA胶结料,合模硫化后得到橡胶大底鞋用材料;将步骤(1)中的预发泡EVA材料加入到中底模具中,加入上述橡胶大底鞋用材料,然后同时加压加热,冷却后,得到不脱胶耐磨鞋底。
下面对本发明提供的不脱胶耐磨鞋底进行性能测试,测试如下:
表1
从表1来看,本发明提供的鞋底材料耐黄变性能强,柔韧性好,硬度大,耐磨性好,机械性能优异。
以上记载,仅为利用本发明技术内容的实施例,任何熟悉本领域者运用本发明所做的修饰、变化,皆属本发明主张的专利范围,而不限于实施例所揭示者。

Claims (8)

1.一种不脱胶耐磨鞋底,其特征在于,以重量份计,包括以下组分:
EVA30-50份,硬脂酸钙10-20份,
纳米碳酸钙5-10份,硬脂酸锌5-10份,
丁苯橡胶20-30份,三元乙丙橡胶10-15份,
纳米氧化钛5-8份,硫化剂1-3份,
架桥剂2-5份,相容剂5-10份,
抗老化剂2-8份,环氧树脂5-15份,
聚丙烯酸酯5-15份,发泡剂2-5份;
其制备方法包括以下步骤:
(1)将EVA、硬脂酸钙、纳米碳酸钙加入到高速捏合机中,在150-180℃下,捏合10-12min,继续加入发泡剂,捏合5-10min,得到预发泡的EVA材料;
(2)将丁苯橡胶、三元乙丙橡胶加入高速捏合机中,在180-200℃下,捏合5-10min,继续加入硬脂酸锌、纳米氧化钛,捏合5-12min,得到橡胶胶料;
(3)将EVA、环氧树脂、聚丙烯酸酯加入到高速捏合机中,在180℃下,捏合8-15min,继续加入硫化剂、相容剂、架桥剂、抗老化剂,捏合5-10min,得到EVA胶结料;
(4)将步骤(2)得到的橡胶胶料加入到模具中,预成型后,再加入步骤(3)得到的EVA胶结料,合模硫化后得到橡胶大底鞋用材料;将步骤(1)中的预发泡EVA材料加入到中底模具中,加入上述橡胶大底鞋用材料,然后同时加压加热,冷却后,得到不脱胶耐磨鞋底。
2.如权利要求1所述的一种不脱胶耐磨鞋底,其特征在于,以重量份计,包括以下组分:
EVA40份,硬脂酸钙15份,
纳米碳酸钙10份,硬脂酸锌7份,
丁苯橡胶25份,三元乙丙橡胶12份,
纳米氧化钛6份,硫化剂2份,
架桥剂5份,相容剂8份,
抗老化剂6份,环氧树脂11份,
聚丙烯酸酯12份,发泡剂3份。
3.如权利要求1所述的一种不脱胶耐磨鞋底,其特征在于,所述EVA中VA的含量为20-30%。
4.如权利要求1所述的一种不脱胶耐磨鞋底,其特征在于,所述纳米碳酸钙的粒径为20-30nm,所述纳米氧化钛的粒径为5-10nm。
5.如权利要求1所述的一种不脱胶耐磨鞋底,其特征在于,所述硫化剂为二硫化二己内酰胺与C-14A硅橡胶硫化剂的混合物,二者质量比为0.05-0.065:1。
6.如权利要求1所述的一种不脱胶耐磨鞋底,其特征在于,所述架桥剂为N-羟甲基丙烯酰胺。
7.如权利要求1所述的一种不脱胶耐磨鞋底,其特征在于,所述相容剂为硅烷偶联剂、钛酸酯偶联剂、TPU、聚乙烯的混合物,四者质量比为0.01-0.05:0.01:0.5-0.8:1。
8.如权利要求1所述的一种不脱胶耐磨鞋底,其特征在于,步骤(1)中所述捏合的温度为165℃,步骤(2)中所述捏合的温度为180℃。
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