CN109198785B - 鞋底用减震片材 - Google Patents
鞋底用减震片材 Download PDFInfo
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Abstract
本发明涉及鞋底用减震片材,由脚掌内侧位置对应的第二片部及与脚掌外侧位置对应的第一片部组成,第一片部底面设有以第一单元呈四方连续排列的防滑纹体,第一单元由四个两头细长中间宽的椭圆结构体组成,四个椭圆结构体两两为一排且椭圆结构体的尖端匹配插入另两椭圆结构体之间间隙内;第二片部底面设有以第二单元呈两方连续排列的减震纹体,第二单元由两个椭圆串体邻接而成,各椭圆串体由多个两头细长中间宽的椭圆球体同轴相连,相邻两个第二单元上的椭圆球体边缘相嵌合。本发明通过防滑纹体和减震纹体在触地受力后变形,实现抓地止滑效果,分散地面冲击力且能够产生多层次缓冲分散效果,减震明显,同时也利于变形后恢复,经久耐用。
Description
技术领域
本发明涉及鞋材技术领域,特别是涉及一种鞋底用减震片材。
背景技术
鞋底的减震性能和止滑性能作为鞋子的基本功能,对于鞋子穿着的安全性与舒适性具有重要意义,如果鞋子没有良好的减震系统来缓冲冲击,那么人在运动特别是快跑时,双脚一定会感到疲惫,无法保持速度和耐力,同时会冲击脊柱和大脑,对健康造成损伤,如果鞋子止滑性差,走路时容易打滑摔跤。然而市场中缺少一种能同时将减震和止滑做到优异的鞋底。
发明内容
为克服现有技术存在的技术缺陷,本发明提供一种鞋底用减震片材。
本发明采用的技术解决方案是:
鞋底用减震片材,由与前脚掌内侧、中足内侧和后跟内侧位置相对应的第二片部以及与前脚掌外侧、中足外侧和后跟外侧位置相对应的第一片部组成,所述第一片部和第二片部一体成型而构成全掌式结构;
所述第一片部底面设有以第一单元呈四方连续排列的防滑纹体,所述第一单元由四个两头细长中间宽的椭圆结构体组成,所述四个椭圆结构体两两为一排且其中一排的一椭圆结构体的尖端匹配插入另外一排的两椭圆结构体之间的间隙内,且各椭圆结构体的长轴中心线相对减震片材的中轴线由后向前朝内倾斜60°~75°,各椭圆结构体的底面中心凹设有凹槽,各凹槽中心设有上下贯穿的通孔;
所述第二片部底面设有以第二单元呈两方连续排列的减震纹体,所述第二单元由两个椭圆串体邻接而成,各椭圆串体分别由多个两头细长中间宽的椭圆球体同轴相连而成,且相邻的两个第二单元上的椭圆球体边缘相嵌合,各椭圆球体的长轴中心线相对减震片材的中轴线由后向前朝内倾斜60°~75°。
优选地,所述第一片部底面和第二片部底面的相接处形成一S型分界线。
优选地,各椭圆结构体的倾斜角度等于各椭圆球体的倾斜角度。
优选地,所述凹槽的横截面形状为椭圆形且其纵截面形状为圆弧形。
优选地,所述通孔为椭圆形柱孔。
优选地,所述椭圆球体相对第二片部底部凸出设置。
优选地,所述第二片部顶面的与前脚掌内侧相对应位置处设有以第三单元呈两方连续排列的回弹纹体,所述第三单元与第二单元构造相同,且所述回弹纹体上的椭圆球体B均与减震纹体上的椭圆球体A一一对应。
优选地,所述减震片材采用月桃纤维改性EVA发泡材料制成。
优选地,所述月桃纤维改性EVA发泡材料由如下按重量份数计的组分组成:30~45份的EVA、12~15份的三元乙丙胶、12~20份的POE、5~6份的OBC、8~10份的改性月桃纤维、2~5份的发泡剂AC、1~2份的交联剂TAC、3~5份的气相白炭黑、1~3份的氧化锌、1.5~2.0份的硬脂酸锌。
其中,所述改性月桃纤维的改性方法为:
(1)用氩气等离子体对纤维或织物表面进行处理,并在空气中暴露一段时间,以在纤维或织物表面形成过氧化物,电源频率为40kHz,功率为30W,氩气压力为7Pa;
(2)将处理后的纤维和织物浸入含双键的二苯甲酮类单体的乳液中加热进行自由基聚合反应;
(3)冷却反应液,取出纤维或织物,依次用丙酮和热水进行冲洗,在60℃~120℃下对反应后的月桃纤维干燥4小时~20小时,制得改性月桃纤维。
本发明的有益效果:
1、本发明减震片材由具有防滑纹体的第一片部和具有减震纹体的第二片部组成,通过防滑纹体在触地受力后变形加大与地面接触面积,实现抓地止滑效果,而通孔利于增强凹槽的变形能力,同时也会形变势能分散部分冲击而起到一定的减震效果,尤其是本实施例第一片部对应设置在鞋底外侧,避免在后跟外侧触地初期发生打滑以及前掌外侧触地过渡期间发生打滑,更加符合足部生物力学特点和人体工程学。
2、本发明通过减震纹体在触地受力时椭圆球体相互挤压产生弹性形变,达到吸收部分运动能量,分散地面冲击力且能够产生多层次缓冲分散效果,减震明显,同时也利于变形后恢复,经久耐用,寿命长,另外在相邻椭圆球体之间构成深浅有变化的沟槽,在与地面接触时也会产生防滑效果,尤其是本实施例第二片部对应设置在鞋底内侧,有助于从后跟内侧过渡至中足以及助力蹬地,更加符合足部生物力学特点和人体工程学。
3、本发明的第二片部顶面的与前脚掌内侧相对应位置处设有以第三单元呈两方连续排列的回弹纹体,受力时回弹纹体的椭圆球体相互挤压产生弹性形变,分散地面冲击力且能够产生多层次缓冲分散效果,且离地后会快速释放回弹,具有很好的助力效果。
4、本发明在EVA、POE、OBC和EPDM混合基料中加入改性月桃纤维,改性月桃纤维均匀分散并以共价键结合方式稳固地存在于混合基料中,能够显著增强EVA发泡材料的抗撕裂强度,又由于月桃纤维耐弯曲性能非常强,内部含有多孔结构,柔软并在外力作用下易于产生形变,从而起到增强EVA发泡材料分散冲击力的减震效果,减震明显。
附图说明
图1为本发明鞋底用减震片材顶视角立体图。
图2为本发明第一单元结构示意图。
图3为本发明第二单元结构示意图。
图4为本发明第三单元结构示意图。
附图标记说明:
100.第一单元;101.椭圆结构体;102.凹槽;103.通孔;200.第二单元;201.椭圆球体A;300.第三单元;301.椭圆球体B;10.第一片部;11.防滑纹体;20.第二片部;21.减震纹体。
具体实施方式
下面结合附图对本发明作进一步说明:
如图1-4所示,本实施例提供一种鞋底用减震片材,由与前脚掌内侧、中足内侧和后跟内侧位置相对应的第二片部20以及与前脚掌外侧、中足外侧和后跟外侧位置相对应的第一片部10组成,所述第一片部10和第二片部20一体成型而构成全掌式结构,所述第一片部10底面和第二片部20底面的相接处形成一S型分界线。
所述第一片部10底面设有以第一单元100呈四方连续排列的防滑纹体11,所述第一单元100由四个两头细长中间宽的椭圆结构体101组成,所述四个椭圆结构体101两两为一排且其中一排的一椭圆结构体101的尖端匹配插入另外一排的两椭圆结构体101之间的间隙内,且各椭圆结构体101的长轴中心线相对减震片材的中轴线由后向前朝内倾斜60°~75°,各椭圆结构体101的底面中心凹设有凹槽102,各凹槽102中心设有上下贯穿的通孔103。优选地,所述凹槽102的横截面形状为椭圆形且其纵截面形状为圆弧形,所述通孔103为椭圆形柱孔。本实施例通过凹槽102在触地受力后变形加大与地面接触面积,实现抓地止滑效果,而通孔103利于增强凹槽102的变形能力,同时也会形变势能分散部分冲击而起到一定的减震效果。
所述第二片部20底面设有以第二单元200呈两方连续排列的减震纹体21,所述第二单元200由两个椭圆串体邻接而成,各椭圆串体分别由多个两头细长中间宽的椭圆球体A201同轴相连而成,所述椭圆球体A201相对第二片部20底部凸出设置而在相邻椭圆球体A201之间构成深浅有变化的沟槽,且相邻的两个第二单元200上的椭圆球体A201边缘相嵌合,各椭圆球体A201的长轴中心线相对减震片材的中轴线由后向前朝内倾斜60°~75°。优选的,各椭圆结构体101的倾斜角度等于各椭圆球体A201的倾斜角度,比如60°。在触地受力时椭圆球体A201相互挤压产生弹性形变,达到吸收部分运动能量,分散地面冲击力且能够产生多层次缓冲分散效果,减震明显,同时也利于变形后恢复,经久耐用,寿命长。另外在相邻椭圆球体A201之间构成深浅有变化的沟槽,在与地面接触时也会产生防滑效果。
进一步地,所述第二片部20顶面的与前脚掌内侧相对应位置处设有以第三单元300呈两方连续排列的回弹纹体,所述第三单元300与第二单元200构造相同,且所述回弹纹体上的椭圆球体B301均与减震纹体21上的椭圆球体A201一一对应,受力时回弹纹体的椭圆球体B301相互挤压产生弹性形变,分散地面冲击力且能够产生多层次缓冲分散效果,且离地后会快速释放回弹,具有很好的助力效果。
优选地本实施例的所述减震片材采用月桃纤维改性EVA发泡材料制成。所述月桃纤维改性EVA发泡材料由如下按重量份数计的组分组成:30~45份的EVA、12~15份的三元乙丙胶、12~20份的POE、5~6份的OBC、8~10份的改性月桃纤维、2~5份的发泡剂AC、1~2份的交联剂TAC、3~5份的气相白炭黑、1~3份的氧化锌、1.5~2.0份的硬脂酸锌。
其中,所述改性月桃纤维的处理方法为:
1)将月桃的茎部洗净后烘干,用粉碎机粉碎后得到月桃茎粉,将月桃茎粉加入质量浓度为5%的氢氧化钠溶液中,月桃茎粉与氢氧化钠溶液的质量比为1:9,放入100℃的水浴装置中,恒温搅拌30分钟,取出后用蒸馏水洗涤至中性,干燥后得到碱化月桃茎粉;
2)将步骤1)得到的碱化月桃茎粉加入质量浓度为1.5%的硫酸溶液中,放入高压锅内,加热至100℃后密封高压锅,保温30分钟后取出,用蒸馏水洗涤至中性后加入蒸煮液中,蒸煮液由质量比为30:40:1的硫化钠、氢氧化钠、绿氧助剂混合而成,加热至150℃后蒸煮2小时,取出后用蒸馏水洗涤至中性,置于鼓风干燥箱中100℃下干燥至恒重,冷却至室温后得到月桃浆粕;
3)将步骤2)得到的月桃浆粕加入4倍重量的二甲基亚砜中,加热至80℃,搅拌2小时后真空脱除残留的二甲基亚砜,过滤后得到纺丝原液,将纺丝原液加入纺丝机中湿法纺丝,以60℃温水浴为一道拉伸,沸水浴为二道拉伸,制得月桃纤维;
4)用氩气等离子体对纤维或织物表面进行处理,并在空气中暴露一段时间,以在纤维或织物表面形成过氧化物,电源频率为40kHz,功率为30W,氩气压力为7Pa;
5)将处理后的纤维和织物浸入含双键的二苯甲酮类单体的乳液中加热进行自由基聚合反应;
6)冷却反应液,取出纤维或织物,依次用丙酮和热水进行冲洗,在60℃~120℃下对反应后的月桃纤维干燥4小时~20小时,制得改性月桃纤维。
对于上述鞋底用减震片材采用的月桃纤维改性EVA发泡材料的制备,以下提供3个具体示例。
示例1:
该示例1的月桃纤维改性EVA发泡材料由如下按重量份数计的组分组成:30份的EVA、15份的三元乙丙胶、15份的POE、5份的OBC、8份的改性月桃纤维、3份的发泡剂AC、2份的交联剂TAC、3份的气相白炭黑、1份的氧化锌、1.5份的硬脂酸锌。
示例2:
该示例2的月桃纤维改性EVA发泡材料由如下按重量份数计的组分组成:45份的EVA、12份的三元乙丙胶、12份的POE、5份的OBC、10份的改性月桃纤维、5份的发泡剂AC、2份的交联剂TAC、5份的气相白炭黑、3份的氧化锌、1.5份的硬脂酸锌。
示例3:
该示例3的月桃纤维改性EVA发泡材料由如下按重量份数计的组分组成:35份的EVA、12份的三元乙丙胶、15份的POE、6份的OBC、8份的改性月桃纤维、3份的发泡剂AC、1份的交联剂TAC、3份的气相白炭黑、2份的氧化锌、2.0份的硬脂酸锌。
上述示例1-3的月桃纤维改性EVA发泡材料的制备方法均采用如下步骤:
步骤一:准确称取配方中的EVA、三元乙丙胶、POE、OBC和改性月桃纤维,按照比例充分混匀,获得混合物;倒入密炼机中进行第一阶段密炼,使物料混合更均匀,密炼温度为120~150℃,密炼的时间为10min-20min。
步骤二:在步骤一的基础上,再加入配方中的发泡剂AC、交联剂TAC、气相白炭黑、氧化锌和硬脂酸锌,再次启动密炼机进行第二阶段密炼,密炼温度升高到200℃-220℃,密炼时间为50min-60min,得到混炼胶;
步骤三:将混炼胶投入开炼机中开炼,温度控制为85℃-95℃,先10mm厚通两次,再6mm厚通两次;
步骤四:将经步骤三处理后的混炼胶再次投入开炼机中进行1mm厚度压延,静置冷却8-10小时;
步骤五:将步骤四中混合料传送到造粒机中进行造粒,得到月桃纤维改性EVA发泡材料。
经测定,上述示例1-3制得的月桃纤维改性EVA发泡材料的物性如表1中所示,其中各指标的测试方法如下:
拉伸强度:GB/T 10654-2001,标线距离为50mm,取两个垂直方向测试结果的平均值;
拉断伸长率:GB/T 10654-2001,标线距离为50mm,取两个垂直方向测试结果的平均值;
直角形撕裂强度:GB/T 10808-2006,测试速度50mm/min;
回弹性:GB/T 10652-2001;
表1:示例1-3制得的月桃纤维改性EVA发泡材料的物性
以上显示和描述了本发明创造的基本原理和主要特征及本发明的优点,本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明创造精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内,本发明要求保护范围由所附的权利要求书及其等效物界定。
Claims (10)
1.鞋底用减震片材,其特征在于,该减震片材由与前脚掌内侧、中足内侧和后跟内侧位置相对应的第二片部以及与前脚掌外侧、中足外侧和后跟外侧位置相对应的第一片部组成,所述第一片部和第二片部一体成型而构成全掌式结构;
所述第一片部底面设有以第一单元呈四方连续排列的防滑纹体,所述第一单元由四个两头细长中间宽的椭圆结构体组成,所述四个椭圆结构体两两为一排且其中一排的一椭圆结构体的尖端匹配插入另外一排的两椭圆结构体之间的间隙内,且各椭圆结构体的长轴中心线相对减震片材的中轴线由后向前朝内倾斜60°~75°,各椭圆结构体的底面中心凹设有凹槽,各凹槽中心设有上下贯穿的通孔;
所述第二片部底面设有以第二单元呈两方连续排列的减震纹体,所述第二单元由两个椭圆串体邻接而成,各椭圆串体分别由多个两头细长中间宽的椭圆球体同轴相连而成,且相邻的两个第二单元上的椭圆球体边缘相嵌合,各椭圆球体的长轴中心线相对减震片材的中轴线由后向前朝内倾斜60°~75°。
2.根据权利要求1所述的鞋底用减震片材,其特征在于,所述第一片部底面和第二片部底面的相接处形成一S型分界线。
3.根据权利要求1所述的鞋底用减震片材,其特征在于,各椭圆结构体的倾斜角度等于各椭圆球体的倾斜角度。
4.根据权利要求1所述的鞋底用减震片材,其特征在于,所述凹槽的横截面形状为椭圆形且其纵截面形状为圆弧形。
5.根据权利要求1所述的鞋底用减震片材,其特征在于,所述通孔为椭圆形柱孔。
6.根据权利要求1所述的鞋底用减震片材,其特征在于,所述椭圆球体相对第二片部底部凸出设置。
7.根据权利要求1所述的鞋底用减震片材,其特征在于,所述第二片部顶面的与前脚掌内侧相对应位置处设有以第三单元呈两方连续排列的回弹纹体,所述第三单元与第二单元构造相同,且所述回弹纹体上的椭圆球体B均与减震纹体上的椭圆球体A一一对应。
8.根据权利要求1至7任一项所述的鞋底用减震片材,其特征在于,所述减震片材采用月桃纤维改性EVA发泡材料制成。
9.根据权利要求8所述的鞋底用减震片材,其特征在于,所述月桃纤维改性EVA发泡材料由如下按重量份数计的组分组成:30~45份的EVA、12~15份的三元乙丙胶、12~20份的POE、5~6份的OBC、8~10份的改性月桃纤维、2~5份的发泡剂AC、1~2份的交联剂TAC、3~5份的气相白炭黑、1~3份的氧化锌、1.5~2.0份的硬脂酸锌。
10.根据权利要求9所述的鞋底用减震片材,其特征在于,所述改性月桃纤维的改性方法为:
(1)用氩气等离子体对纤维或织物表面进行处理,并在空气中暴露一段时间,以在纤维或织物表面形成过氧化物,电源频率为40kHz,功率为30W,氩气压力为7Pa;
(2)将处理后的纤维和织物浸入含双键的二苯甲酮类单体的乳液中加热进行自由基聚合反应;
(3)冷却反应液,取出纤维或织物,依次用丙酮和热水进行冲洗,在60℃~120℃下对反应后的月桃纤维干燥4小时~20小时,制得改性月桃纤维。
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CN108741402A (zh) * | 2018-06-28 | 2018-11-06 | 三六度童装有限公司 | 鞋底减震部件、减震鞋底和减震鞋 |
CN209436354U (zh) * | 2018-11-14 | 2019-09-27 | 福建美明达鞋业发展有限公司 | 鞋底用减震片材 |
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