CN103554649A - 一种无味阻燃环保的eva发泡鞋材 - Google Patents

一种无味阻燃环保的eva发泡鞋材 Download PDF

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CN103554649A
CN103554649A CN201310593786.8A CN201310593786A CN103554649A CN 103554649 A CN103554649 A CN 103554649A CN 201310593786 A CN201310593786 A CN 201310593786A CN 103554649 A CN103554649 A CN 103554649A
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陈权
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Dongguan National Sports Equipment Co ltd
Guangdong Quanwei Technology Co ltd
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Abstract

本发明涉及EVA发泡材料及其制备方法，具体涉及一种无味阻燃环保的EVA发泡鞋材，乙烯-乙酸乙烯酯共聚物70-90份，氯化聚乙烯5-10份，氯化石蜡4-10份，三氧化二锑4-10份，氢氧化铝4-10份，硬脂酸0.6-1.0份，氧化锌1.3-1.7份，无味架桥剂0.8-1.2份，高温发泡剂1.5-2.5份，钛白粉1.0-2.0份，色母粒1-4份，其具有无味无毒、阻燃性能优良、成本低的特点。

Description

一种无味阻燃环保的EVA发泡鞋材
技术领域
本发明涉及EVA发泡材料及其制备方法，具体涉及一种无味阻燃环保的EVA发泡鞋材。
背景技术
EVA是由乙烯-醋酸乙烯共聚而成的共聚物，简称EVA，与聚乙烯相比，EVA由于在分子链中引入了醋酸乙烯单体，从而降低了高结晶度，提高了柔韧性、抗冲击性、填料相溶性和热密封性能。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，也叫一次发泡中底。传统EVA是用热压的,EVA射出机将EVA粒子直接射入机台模具里边，真空加硫400秒左右后将模具打开，模内鞋底发泡成型，再经过热，冷定型箱定型。此法的特点就是产量高，一次成型。缺点是容易变形，时间久了发黄，缩水。
传统的EVA鞋材由于采用多种合成材料，因此在发泡完成后，不可避免会产生很强的气味，有些甚至还带有毒性，给人们的身体健康带来隐患。因此人们希望寻找一种环保、健康无味无毒的鞋材。
发明内容
本发明的目的是针对现有技术中的不足，提供一种无味阻燃环保的EVA发泡鞋材，其具有无味无毒、阻燃性能优良、成本低的特点。
本发明的目的通过以下技术方案实现：
一种无味阻燃环保的EVA发泡鞋材，其特征在于：由以下重量份的组分构成：
乙烯-乙酸乙烯酯共聚物            70-90份
氯化聚乙烯                       5-10份
氯化石蜡                         4-10份
三氧化二锑                       4-10份
氢氧化铝                         4-10份
硬脂酸                           0.8份
氧化锌                           1.5份
无味架桥剂                       1-1.2份
高温发泡剂                       2份
钛白粉                           1.5份
色母粒                            1-4份。
其中，所述无味架桥剂为无味的过氧化二异丙苯。
其中，所述发泡剂为偶氮二甲酰胺、对甲苯磺酰肼和偶氮二甲硫胺中的至少一种，优选偶氮二甲酰胺。
其中，所述色母粒为荧光色母粒或夜光色母粒。
其中，所述氧化锌为透明氧化锌，可以制备得到透明的EVA材料。
具体的，由以下重量份的组分构成：
乙烯-乙酸乙烯酯共聚物            70-90份
氯化聚乙烯                       5-10份
氯化石蜡                         4-10份
三氧化二锑                       4-10份
氢氧化铝                         4-10份
硬脂酸                           0.8份
氧化锌                           1.5份
无味架桥剂                       1-1.2份
高温发泡剂                       2份
钛白粉                           1.5份
色母粒                            1-4份。
进一步的，由以下重量份的组分构成：
乙烯-乙酸乙烯酯共聚物           75-80份
氯化聚乙烯                       6-10份
氯化石蜡                         6-8份
三氧化二锑                       6-8份
氢氧化铝                         6-8份
硬脂酸                           0.8份
氧化锌                           1.5份
无味架桥剂                       1-1.2份
高温发泡剂                       2份
钛白粉                           1.5份
色母粒                            1-4份。
更进一步的，由以下重量份的组分构成：
乙烯-乙酸乙烯酯共聚物            85份
氯化聚乙烯                       8份
氯化石蜡                         4份
三氧化二锑                       4份
氢氧化铝                         4份
硬脂酸                           0.8份
氧化锌                           1.5份
无味架桥剂                       1份
高温发泡剂                       2份
钛白粉                           1.5份
色母粒                           3份。
上述材料由以下制备步骤制备而成：
A、       将乙烯-乙酸乙烯酯共聚物、氯化聚乙烯、氯化石蜡、三氧化二锑、氢氧化铝、硬脂酸、氧化锌、高温发泡剂、钛白粉和色母粒按照重量份投入至密炼机混炼，混炼时间为7min-9min，温度为100℃-110℃；
B、       向步骤A中混炼后的物料中添加无味架桥剂继续混炼，时间为2min-4min，温度控制在110℃-115℃；
C、       将步骤B中密炼好的混合物料倒入造粒机中造粒；
D、       将造好的料粒用专用的射出机进行发泡加工成鞋底。
本发明的有益效果：本发明用于EVA发泡鞋材的复合材料，主要由胶粒原料、活性剂,填充剂、润滑剂、发泡剂、色母按一定的比例混合组成，所述胶粒原料由EVA(乙烯乙酸乙烯酯)和CPE(氯化聚乙烯)混合而成；本发明产品由于使用了无味架桥剂，生产得到的鞋健康无味无毒,符合目前健康,环保的消费理念,含有氯化石蜡，与三氧化二锑和A1(OH)3  三者适当的比例配合可得到阻燃性能优良、成本低廉的阻燃材料,具有极佳的阻燃性能，且有燃烧防滴下特性，其锑系阻燃剂、氯化CPE无毒，不含重金属及多环芳烃，完全符合环保要求。
具体实施方式
结合以下实施例对本发明作进一步描述。
实施例1
A、将75 份乙烯-醋酸乙烯共聚物、6份氯化聚乙烯、8份氯化石蜡、8份三氧化二锑、8份氢氧化铝、0.8份硬脂酸、1.5份氧化锌、2份高温发泡剂、1.5份钛白粉和3份色母按照重量份投入至密炼机混炼，混炼时间为7min，温度为100℃；
B、向步骤A中已混合均匀的物料中添加1.2份过氧化二异丙苯继续混炼，时间为2min，温度控制在110℃；
C、将步骤B中密炼好的混合物料倒入造粒机中造粒；
D、将造好的料粒用专用的射出机进行发泡加工成鞋底。
实施例2
A、将85份乙烯-醋酸乙烯共聚物、8份氯化聚乙烯、4份氯化石蜡、4份三氧化二锑、4份氢氧化铝、0.8份硬脂酸、1.5份氧化锌、2份高温发泡剂、1.5份钛白粉和3份色母按照重量份投入至密炼机混炼，混炼时间为8min，温度为100℃；
B、向步骤A中已混合均匀的物料中添加 1份过氧化二异丙苯继续混炼，时间为4min，温度控制在115℃；
C、将步骤B中密炼好的混合物料倒入造粒机中造粒；
D、将造好的料粒用专用的射出机进行发泡加工成鞋底。
实施例3
A、将 80份乙烯-醋酸乙烯共聚物、7份氯化聚乙烯、6份氯化石蜡、6份三氧化二锑、  6 份氢氧化铝、0.8份硬脂酸、1.5份氧化锌、2份高温发泡剂、1.5份钛白粉和3份色母按照重量份投入至密炼机混炼，混炼时间为8min，温度为100℃；
B、向步骤A中已混合均匀的物料中添加1份过氧化二异丙苯继续混炼，时间为3min，温度控制在110℃；
C、将步骤B中密炼好的混合物料倒入造粒机中造粒；
D、将造好的料粒用专用的射出机进行发泡加工成鞋底。
实施例4
A、将75 份乙烯-醋酸乙烯共聚物、9份氯化聚乙烯、8份氯化石蜡、8份三氧化二锑、  8 份氢氧化铝、0.8份硬脂酸、1.5份氧化锌、2份高温发泡剂、1.5份钛白粉和3份色母按照重量份投入至密炼机混炼，混炼时间为8min，温度为100℃；
B、向步骤A中已混合均匀的物料中添加1.2份过氧化二异丙苯继续混炼，时间为4min，温度控制在115℃；
C、将步骤B中密炼好的混合物料倒入造粒机中造粒；
D、将造好的料粒用专用的射出机进行发泡加工成鞋底。
实施例5
A、将78份乙烯-醋酸乙烯共聚物、10份氯化聚乙烯、8份氯化石蜡、8份三氧化二锑、 8份氢氧化铝、0.8份硬脂酸、1.5份氧化锌、2份高温发泡剂、1.5份钛白粉和3份色母按照重量份投入至密炼机混炼，混炼时间为8min，温度为100℃；
B、 向步骤A中已混合均匀的物料中添加1.2份过氧化二异丙苯继续混炼，时间为2min-4min，温度控制在110℃；
C、将步骤B中密炼好的混合物料倒入造粒机中造粒；
D、将造好的料粒用专用的射出机进行发泡加工成鞋底。
表1：各实施例组分及含量的列表：
组分 实施例1 实施例2 实施例3 实施例4 实施例5
乙烯-醋酸乙烯共聚物 75 85 80 75 78
氯化聚乙烯 　6 　8 　7 9 10　
氯化石蜡 8　 4　 　6 8 8　
三氧化二锑 8　 4　 　6 8 8　
氢氧化铝  8　 4　 　6 8 8　
硬脂酸 0.8　 　0.8　 0.8　 0.8　 0.8　
氧化锌 1.5　 1.5　　 1.5　 1.5　 1.5　
高温发泡剂 2　 2　 2　 2 2　
无味架桥剂 1.2 1 1 1.2 1.2
钛白粉 1.5　 　1.5　 1.5　 1.5　 1.5　
色母 　3 3 3　 3 3　
表2：各实施例的物理特性：
检测项目 实施例1 实施例2 实施例3 实施例4 实施例5
硬度（邵氏A） 52 56　 54　 　55 56　
密度（g/cm3） 0.23 0.23　 0.23 0.23 　0.23
拉伸强度（MPA） 4.5 4.1　 4.3　 4.3　 4.2　
压缩歪变形（%） 30 33　 32　 31 31　
回弹率（%） 35 38　 37　 36　 36　
耐黄变（级） 4 　4 4　 4　 4　
收缩比率（%） 1 0.9　 0.9　 0.9　 0.9　
阻燃级别 V-2 　V-2 V-2 V-2 V-2
备注：以上测试均按照行业的测试标准并采用行业常用测试手段得出实验结果。
综上所述：本发明的制备方法不需要将原有的工序和设备进行改进，可以沿用传统的EVA发泡鞋材的制备工序，就可以得到与普通EVA鞋底一样性能的回弹性，并具有抗张力高，韧性高，具有良好的防震，隔热，保温防寒及优异的低温性能，阻燃性能、成本低廉、具有极佳的阻燃性能，具有燃烧防滴下特性，其锑系阻燃剂、氯化CPE无毒，不含重金属及多环芳烃，完全符合环保要求的EVA鞋底。
最后应当说明的是，以上实施例仅用以说明本发明的技术方案，而非对本发明保护范围的限制，尽管参照较佳实施例对本发明作了详细地说明，本领域的普通技术人员应当理解，可以对本发明的技术方案进行修改或者等同替换，而不脱离本发明技术方案的实质和范围。

Claims (9)

1.一种无味阻燃环保的EVA发泡鞋材，其特征在于：由以下重量份的组分构成：
乙烯-乙酸乙烯酯共聚物            70-90份 
氯化聚乙烯                       5-10份
氯化石蜡                         4-10份
三氧化二锑                       4-10份
氢氧化铝                         4-10份
硬脂酸                           0.6-1.0份
氧化锌                           1.3-1.7份
无味架桥剂                       0.8-1.2份
高温发泡剂                        1.5-2.5份
钛白粉                           1.0-2.0份
色母粒                            1-4份。
2.根据权利要求1所述的一种无味阻燃环保的EVA发泡鞋材，其特征在于：所述无味架桥剂为无味的过氧化二异丙苯。
3.根据权利要求1所述的一种无味阻燃环保的EVA发泡鞋材，其特征在于：所述高温发泡剂为偶氮二甲酰胺、对甲苯磺酰肼和偶氮二甲硫胺中的至少一种。
4.根据权利要求1所述的一种无味阻燃环保的EVA发泡鞋材，其特征在于：所述色母粒为荧光色母粒或夜光色母粒。
5.根据权利要求1所述的一种无味阻燃环保的EVA发泡鞋材，其特征在于：所述氧化锌为透明氧化锌。
6.根据权利要求1所述的一种无味阻燃环保的EVA发泡鞋材，其特征在于：由以下重量份的组分构成：
乙烯-乙酸乙烯酯共聚物            70-90份
氯化聚乙烯                       5-10份
氯化石蜡                         4-10份
三氧化二锑                       4-10份
氢氧化铝                         4-10份
硬脂酸                           0.8份
氧化锌                           1.5份
无味架桥剂                       1-1.2份
高温发泡剂                       2份
钛白粉                           1.5份
色母粒                            1-4份。
7.根据权利要求1所述的一种无味阻燃环保的EVA发泡鞋材，其特征在于：由以下重量份的组分构成：
乙烯-乙酸乙烯酯共聚物           75-80份
氯化聚乙烯                       6-10份
氯化石蜡                         6-8份
三氧化二锑                       6-8份
氢氧化铝                         6-8份
硬脂酸                           0.8份
氧化锌                           1.5份
无味架桥剂                       1-1.2份
高温发泡剂                       2份
钛白粉                           1.5份
色母粒                            1-4份。
8.根据权利要求1所述的一种无味阻燃环保的EVA发泡鞋材，其特征在于：由以下重量份的组分构成：
乙烯-乙酸乙烯酯共聚物            85份
氯化聚乙烯                       8份
氯化石蜡                         4份
三氧化二锑                       4份
氢氧化铝                         4份
硬脂酸                           0.8份
氧化锌                           1.5份
无味架桥剂                       1份
高温发泡剂                       2份
钛白粉                           1.5份
色母粒                           3份。
9.根据权利要求1所述的一种无味阻燃环保的EVA发泡鞋材，其特征在于：由以下制备步骤制备而成：
A、       将乙烯-乙酸乙烯酯共聚物、氯化聚乙烯、氯化石蜡、三氧化二锑、氢氧化铝、硬脂酸、氧化锌、高温发泡剂、钛白粉以及色母粒按照重量份投入至密炼机混炼，混炼时间为7min-9min，混炼温度为100℃-110℃；
B、       向步骤A混炼后的物料中添加无味架桥剂继续混炼，混炼时间为2min-4min，混炼温度为110℃-115℃；
C、       将步骤B混炼好的混合物料倒入造粒机中造粒；
D、       将造好的料粒用鞋材射出机进行发泡加工成鞋底。
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CN106674710A (zh) * 2016-12-13 2017-05-17 福建鑫邦新材料科技有限公司 一种eva色母粒及其制备方法和应用
CN107022110A (zh) * 2017-05-18 2017-08-08 三斯达（江苏）环保科技有限公司 复合三氧化二锑的制备及其在高阻燃性eva发泡材料中的应用
CN110183771A (zh) * 2019-06-20 2019-08-30 福州大学 一种鞋用高力学性能泡沫复合材料及其制备方法

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CN103275405A (zh) * 2013-06-21 2013-09-04 福建省晋江市晋亿鞋材有限公司 一种改性eva微孔发泡鞋垫材料及其制备方法

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CN105542263A (zh) * 2015-12-30 2016-05-04 广东国立科技股份有限公司 一种耐油止滑eva发泡材料及其制备方法
CN106674710A (zh) * 2016-12-13 2017-05-17 福建鑫邦新材料科技有限公司 一种eva色母粒及其制备方法和应用
CN107022110A (zh) * 2017-05-18 2017-08-08 三斯达（江苏）环保科技有限公司 复合三氧化二锑的制备及其在高阻燃性eva发泡材料中的应用
CN110183771A (zh) * 2019-06-20 2019-08-30 福州大学 一种鞋用高力学性能泡沫复合材料及其制备方法
CN110183771B (zh) * 2019-06-20 2021-11-02 福州大学 一种鞋用高力学性能泡沫复合材料及其制备方法

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