CN105400056A - 一种橡塑微孔鞋材及其制备方法 - Google Patents

一种橡塑微孔鞋材及其制备方法 Download PDF

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CN105400056A
CN105400056A CN201510795616.7A CN201510795616A CN105400056A CN 105400056 A CN105400056 A CN 105400056A CN 201510795616 A CN201510795616 A CN 201510795616A CN 105400056 A CN105400056 A CN 105400056A
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陈卫江
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Wujiang Fengshang Shoe Factory
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    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/08Copolymers of ethene
    • C08L23/0846Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0853Vinylacetate
    • AHUMAN NECESSITIES
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    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
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    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C08J9/10Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
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    • C08L2205/00Polymer mixtures characterised by other features
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Abstract

本发明公开了一种橡塑微孔鞋材,包括如下组分:乙烯-醋酸乙烯共聚物;乙烯–辛烯共聚物;丁腈橡胶;丙烯基弹性体;芥酸酰胺;偶氮二甲酰胺0.8;复合发泡促进剂0.3;2,2,2-三甲基-1,2-二氢化喹啉;硬脂酸;硬脂酸锌;双叔丁基过氧化二异丙基苯以及空心玻璃微珠,复合发泡促进剂是由氯化石蜡、乙烯丙烯酸共聚锌盐与氧化钙组成的混合物。本发明提供的一种橡塑微孔鞋材,采用合适的配方和助剂通过再造粒获得一种胶料,通过对该胶料发孔制造的一种鞋材,所述鞋材轻便,美观、富有弹性,而且耐压缩性好,收缩率小。

Description

一种橡塑微孔鞋材及其制备方法
技术领域
本发明涉及鞋材领域。更具体地说,本发明涉及一种橡塑微孔鞋材及其制备方法。
背景技术
微孔鞋底由于其柔软、弹性好、密度比较小,并有良好的缓冲、减震性能和穿着轻便舒适以及节约原材料等特点所以被广泛用于旅游鞋、运动鞋、拖鞋、凉鞋、布鞋及皮鞋制作中。根据使用材料的不同,微孔鞋底分为橡胶微孔鞋底,塑料微孔鞋底和橡胶并有微孔鞋底。橡胶微孔鞋底的优点是强力高、弹性好、耐压缩性能和耐磨性能好,但缺点是后期收缩太大,挺性小,难以保证产品的外形尺寸,塑料微孔鞋底的优点是质轻,弹性好,但是缺点是不耐磨,透气性产,橡塑微孔鞋底是利用橡胶与塑料并用胶料通过发孔而制造的一种鞋底,它兼有橡胶和塑料微孔底的特点,轻便、美观、富有弹性,而且耐压缩性好,收缩率好。
发明内容
针对上述技术中存在的不足之处,本发明提供了一种橡塑微孔鞋材,采用合适的配方和助剂通过再造粒获得一种胶料,通过对该胶料发孔制造的一种鞋材,所述鞋材轻便,美观、富有弹性,而且耐压缩性好,收缩率小。
为实现上述目的,本发明采用如下技术方案:
一种橡塑微孔鞋材,其特征在于,包括如下重量份的组分:
优选的是,所述复合发泡促进剂为氯化石蜡、乙烯丙烯酸共聚锌盐与氧化钙的混合物。
优选的是,所述氯化石蜡、乙烯丙烯酸共聚锌盐与氧化钙重量份比为5:5:8。
优选的是,所述空心玻璃微珠的粒径为10~50μm。
一种制备前述橡塑微孔鞋材的制备方法,包括如下步骤:
S1:按配比,准确称取除了双叔丁基过氧化二异丙基苯之外的所有原料混合进行密炼,调整密炼温度为97~100℃,保持4~6min;然后加入双叔丁基过氧化二异丙基苯,继续密炼升温到110~118℃时,保持3~4min,所有原料混合均匀得到密炼好的混合料;
S2:将步骤S1中密炼好的混合料送到造粒机进行造粒,粒度长度控制在2~4mm;
S3:将造粒好的粒料放入一次注塑机台的料斗,经电脑数控注塑机注入鞋模中,控制温度在175~180度的条件下成型;
S4:将步骤S3中所得的鞋材经恒温箱定型成发泡型材成品。
优选的是,所述注塑机的注塑速度为1~3cm3/S,模具的温度为50~60℃。
本发明的有益效果是:
(1)由于采用氯化石蜡、乙烯丙烯酸共聚锌盐与氧化钙为复合乳化剂,三者作用相互协同,氯化石蜡可以有效的软化物料,并有利于鞋材的脱模,乙烯丙烯酸共聚锌盐可以有效的降低发泡剂的发泡温度,氧化钙可以中和体系的酸性,有利于使发泡材料气孔结构均匀细密,提高鞋材的性能;
(2)由于采用乙烯–辛烯共聚物对EVA改性,可增加体系的粘弹性及韧性,提高了共混材料的耐磨性和耐折性及弹性;采用芥酸酰胺,改善了材料表面的光泽度,同时提高了鞋材的剥离强度;采用无味的双叔丁基过氧化二异丙基,制成的鞋材中无刺激性臭味;
(3)通过在制备过程中严格控制各物性参数,制得的鞋材发泡均匀,性能优异。
具体实施方式
现结合具体实施例对本发明进一步说明,。本发明所使用的各种原料及各项设备均为常规市售产品,均能通过市场购买直接获得。
实施例1
一种橡塑微孔鞋材,由如下重量份的组分组成:乙烯-醋酸乙烯共聚物45份;乙烯–辛烯共聚物10份;丁腈橡胶5份;丙烯基弹性体3份;芥酸酰胺10份;偶氮二甲酰胺0.8份;复合发泡促进剂0.3份;2,2,2-三甲基-1,2-二氢化喹啉2份;磷酸氢胺0.3份;碳酸氢钠0.4份;双叔丁基过氧化二异丙基苯0.8份;空心玻璃微珠1份。
实施例2
一种橡塑微孔鞋材,由如下重量份的组分组成:乙烯-醋酸乙烯共聚物55份;乙烯–辛烯共聚物18份;丁腈橡胶12份;丙烯基弹性体10份;芥酸酰胺18份;偶氮二甲酰胺1.2份;复合发泡促进剂2份;2,2,2-三甲基-1,2-二氢化喹啉5份;磷酸氢胺0.6份;碳酸氢钠1份;双叔丁基过氧化二异丙基苯1.2份;空心玻璃微珠3份。
实施例3
一种橡塑微孔鞋材,由如下重量份的组分组成:乙烯-醋酸乙烯共聚物50份;乙烯–辛烯共聚物14份;丁腈橡胶8份;丙烯基弹性体7份;芥酸酰胺14份;偶氮二甲酰胺1份;复合发泡促进剂2份;2,2,2-三甲基-1,2-二氢化喹啉4份;磷酸氢胺0.4份;碳酸氢钠0.6份;双叔丁基过氧化二异丙基苯1份;空心玻璃微珠2份。
实施例1~3的复合发泡促进剂均为重量份比为5:5:8氯化石蜡、乙烯丙烯酸共聚锌盐与氧化钙组成。
对比例1
一种橡塑微孔鞋材,由如下重量份的组分组成:乙烯-醋酸乙烯共聚物30份;乙烯–辛烯共聚物8份;丁腈橡胶3份;丙烯基弹性体2份;芥酸酰胺6份;偶氮二甲酰胺0.4份;复合发泡促进剂0.1份;2,2,2-三甲基-1,2-二氢化喹啉1份;磷酸氢胺0.2份;碳酸氢钠0.2份;双叔丁基过氧化二异丙基苯0.6份;空心玻璃微珠0.1份。
对比例2
一种橡塑微孔鞋材,由如下重量份的组分组成:乙烯-醋酸乙烯共聚物75份;乙烯–辛烯共聚物28份;丁腈橡胶22份;丙烯基弹性体20份;芥酸酰胺28份;偶氮二甲酰胺2份;复合发泡促进剂3份;2,2,2-三甲基-1,2-二氢化喹啉6份;磷酸氢胺1份;碳酸氢钠2份;双叔丁基过氧化二异丙基苯2份;空心玻璃微珠4份。
对比例1~2的复合发泡促进剂均为重量份比为5:5:8氯化石蜡、乙烯丙烯酸共聚锌盐与氧化钙组成。
对比例3
一种橡塑微孔鞋材,组分与实施例3相同,不同之处在于复合发泡剂仅为2份乙烯丙烯酸共聚锌盐离聚物。
对比例4
一种橡塑微孔鞋材,组分与实施例3相同,不同之处在于复合发泡剂仅为2份氧化钙。
对比例5
一种橡塑微孔鞋材,组分与实施例3相同,不同之处在于复合发泡剂仅为2份氯化石蜡。
实施例和对比例均采用如下方法制备:
S1:按配比,准确称取除了双叔丁基过氧化二异丙基苯之外的所有原料混合进行密炼,调整密炼温度为97~100℃,保持4~6min;然后加入双叔丁基过氧化二异丙基苯,继续密炼升温到110~118℃时,保持3~4min,所有原料混合均匀得到密炼好的混合料;
S2:将步骤S1中密炼好的混合料送到造粒机进行造粒,粒度长度控制在2~4mm;
S3:将造粒好的粒料放入一次注塑机台的料斗,经电脑数控注塑机注入鞋模中,注塑速度为1~3cm3/S,模具的温度为50~60℃,控制温度在175~180度的条件下成型;
S4:将步骤S3中所得的鞋材经恒温箱定型成发泡型材成品。
各实施例和对比例的物性测试制备如表1
表1
尽管本发明的实施方案已公开如上,但其并不仅仅限于说明书和实施方式中所列运用,它完全可以被适用于各种适合本发明的领域,对于熟悉本领域的人员而言,可容易地实现另外的修改,因此在不背离权利要求及等同范围所限定的一般概念下,本发明并不限于特定的细节。

Claims (6)

1.一种橡塑微孔鞋材,其特征在于,包括如下重量份的组分:
2.如权利要求1所述的橡塑微孔鞋材,其特在于,所述复合发泡促进剂为氯化石蜡、乙烯丙烯酸共聚锌盐与氧化钙的混合物。
3.如权利要求2所述的橡塑微孔鞋材,其特在于,所述氯化石蜡、乙烯丙烯酸共聚锌盐与氧化钙重量份比为5:5:8。
4.如权利要求1所述的橡塑微孔鞋材,其特在于,所述空心玻璃微珠的粒径为10~50μm。
5.如权利要求1~4的任一项所述的橡塑微孔鞋材的制备方法,其特征在于,包括如下步骤:
S1:按照权利要求1所述的配比,准确称取除了双叔丁基过氧化二异丙基苯之外的所有原料混合进行密炼,调整密炼温度为97~100℃,保持4~6min;然后加入双叔丁基过氧化二异丙基苯,继续密炼升温到110~118℃时,保持3~4min,所有原料混合均匀得到密炼好的混合料;
S2:将步骤S1中密炼好的混合料送到造粒机进行造粒,粒度长度控制在2~4mm;
S3:将造粒好的粒料放入一次注塑机台的料斗,经电脑数控注塑机注入鞋模中,控制温度在175~180度的条件下成型;
S4:将步骤S3中所得的鞋材经恒温箱定型成发泡型材成品。
6.如权利要求5所述的橡塑微孔鞋材的制备方法,所述注塑机的注塑速度为1~3cm3/S,模具的温度为50~60℃。
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CN107082943A (zh) * 2017-05-31 2017-08-22 三斯达(江苏)环保科技有限公司 一种丁腈橡胶改性的eva发泡材料及其制造方法
CN108373578A (zh) * 2018-04-04 2018-08-07 沈阳体育学院 一种高回弹性防滑篮球鞋底材料的制备方法
CN111849056A (zh) * 2020-06-22 2020-10-30 张贞霞 一种轻质、耐磨、防滑、抗压发泡材料及其应用
CN113337034A (zh) * 2021-07-16 2021-09-03 福建三盛实业有限公司 一种eva/poe超临界发泡复合材料、制备方法及装置

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