CN114702719B - 一种耐寒防滑橡胶发泡鞋底及其制备方法 - Google Patents
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Abstract
一种耐寒防滑橡胶发泡鞋底及其制备方法,橡胶发泡鞋底包括以下原料:溶聚丁苯橡胶、丙烯酸酯橡胶、氯醚橡胶、石蜡油、二苯磺酰肼醚、促进剂、填料、聚乙烯蜡、硬脂酸镁、硅烷偶联剂、防老剂、增塑剂、分散剂、活性剂,本申请限定溶聚丁苯橡胶、丙烯酸酯橡胶、氯醚橡胶相互混用,与其他原料配合,在性能上能够做到互补,以使制得的橡胶鞋底具有耐寒、防滑性能,能够在(‑30)℃的寒冷环境下保持相适宜的柔软性、弹性及弯曲性能,满足寒冷环境下要求的鞋底舒适度。
Description
技术领域
本发明属于橡胶鞋底制备领域,具体涉及一种耐寒防滑橡胶发泡鞋底及其制备方法。
背景技术
由于近年来户外运动、探险运动等活动的兴起,以及地区条件差异等,为了适应极端恶劣的低温环境的需要,对鞋类的某些特殊功能提出了新的要求。目前,大多数户外产品只能满足一般寒冷程度的需求,在极端寒冷的条件下,对鞋底的耐寒性能要求更高。然而,普通橡胶鞋底在-15℃冷冻24小时候,硬度将上升15-20度,硬度上升,任性和柔韧性都会大打折扣,导致鞋底断裂,有待进一步改进。
发明内容
本发明的目的是克服现有技术的缺点,提供一种耐寒防滑橡胶发泡鞋底,另一目的是提供一种制备上述橡胶鞋底的方法。
本发明采用如下技术方案:
一种耐寒防滑橡胶发泡鞋底,包括以下重量份的原料:
进一步的,所述促进剂由乙醇胺、氧化锌、苯二甲酸按质量比1:1.8-2.7:0.54-0.72的比例组成。
进一步的,所述填料由海泡石粉与硅藻土按质量比1:2-3的比例组成。
进一步的,所述防老剂为防老剂4020。
进一步的,所述分散剂为分散剂AT-B。
进一步的,所述活性剂为聚乙二醇。
进一步的,所述增塑剂为二甘醇。
一种耐寒防滑橡胶发泡鞋底的制备方法,包括以下步骤:
步骤一,将所需重量份的溶聚丁苯橡胶、丙烯酸酯橡胶、氯醚橡胶在密炼机中密炼10-15min,得预混物;
步骤二,将步骤一制备的预混物和除二苯磺酰肼醚、促进剂外的其他原料,混合密炼,115-120℃排胶,室温放置24h以上;
步骤三,将密炼后的混合物在开炼机上混炼,并加入准确称量的二苯磺酰肼醚、促进剂,混料均匀片状出片,得发泡片;
步骤四,将发泡片裁成鞋底形状放入橡胶鞋模中硫化成型,得所述橡胶发泡鞋底。
进一步的,步骤二中,密炼过程具体包括:往密炼机中加入步骤一制备的预混物和除二苯磺酰肼醚、促进剂外的其他原料,混合密炼5-10min;然后调整密炼温度到90℃,保持3min后一次翻料;待密炼温度升至95℃,二次翻料;待密炼温度升至104℃,三次翻料;待密炼温度升至110℃,四次翻料;待密炼温度升至115-120℃,五次翻料,再密炼1min,排胶,室温放置24h以上。
进一步的,步骤四中,硫化成型的温度为145-160℃。
由上述对本发明的描述可知,与现有技术相比,本发明的有益效果是:
第一,本申请限定溶聚丁苯橡胶、丙烯酸酯橡胶、氯醚橡胶相互混用,与其他原料配合,在性能上能够做到互补,以使制得的橡胶鞋底具有耐寒、防滑性能,能够在(-30)℃的寒冷环境下保持相适宜的柔软性、弹性及弯曲性能,满足寒冷环境下要求的鞋底舒适度;其中,限定乙醇胺、氧化锌、苯二甲酸作为促进剂,二苯磺酰肼醚作为发泡剂,配合氯醚橡胶改善丙烯酸酯橡胶的耐寒性、弹性,以提高共混胶的耐寒性和弹性,以使制得的橡胶鞋底适用于(-30)℃的寒冷环境;同时,以乙醇胺、氧化锌、苯二甲酸复配的促进剂,可使混合胶的硫化速度与发泡速度大致同步,以获得良好的孔眼结构,保证制得的橡胶鞋底的力学性能;
第二,加入聚乙烯蜡与硬脂酸镁配合,可增强硅藻土、海泡石粉、二苯磺酰肼醚与促进剂的扩散,以使上述原料均匀扩散在整体体系中,同时可提高成型的速率,便于脱模,提高脱模后的产品表面的光亮度及光滑度;其中,采用的硅藻土和海泡石粉收缩率低,增加泡孔的壁厚,配合促进剂,稳定发泡速度,以获得均匀的闭孔结构,获得较好的力学性能;
第三,采用硅藻土、海泡石粉等多孔的物质作为填料,在聚乙烯蜡与硬脂酸镁的配合下,均匀扩散在整体体系中,硫化成型时,二苯磺酰肼醚分解的气体能通过均匀分散的硅藻土、海泡石粉均匀地填充在整体体系中,以形成均匀地闭孔结构,且闭孔结构呈相互独立的状态,气泡与气泡之间相互不连通,保证制得的橡胶鞋底的力学性能。
具体实施方式
以下通过具体实施方式对本发明作进一步的描述。
一种耐寒防滑橡胶发泡鞋底,包括以下重量份的原料:
其中,促进剂由乙醇胺、氧化锌、苯二甲酸按质量比1:1.8-2.7:0.54-0.72的比例组成;填料由海泡石粉与硅藻土按质量比1:2-3的比例组成;防老剂为防老剂4020;分散剂为分散剂AT-B;活性剂为聚乙二醇;增塑剂为二甘醇。
一种耐寒防滑橡胶发泡鞋底的制备方法,包括以下步骤:
步骤一,将所需重量份的溶聚丁苯橡胶、丙烯酸酯橡胶、氯醚橡胶在密炼机中密炼10-15min,得预混物;
步骤二,往密炼机中加入步骤一制备的预混物和除二苯磺酰肼醚、促进剂外的其他原料,混合密炼5-10min;然后调整密炼温度到90℃,保持3min后一次翻料;待密炼温度升至95℃,二次翻料;待密炼温度升至104℃,三次翻料;待密炼温度升至110℃,四次翻料;待密炼温度升至115-120℃,五次翻料,再密炼1min,排胶,室温放置24h以上;
步骤三,将密炼后的混合物在开炼机上混炼,并加入准确称量的二苯磺酰肼醚、促进剂,混料均匀片状出片,得发泡片;
步骤四,将发泡片裁成鞋底形状放入橡胶鞋模中硫化成型,硫化温度为145-160℃,得所述橡胶发泡鞋底。
实施例1
一种耐寒防滑橡胶发泡鞋底,包括以下重量份的原料:
其中,促进剂由乙醇胺、氧化锌、苯二甲酸按质量比1:1.8:0.72的比例组成;填料由海泡石粉与硅藻土按质量比1:2的比例组成。
一种耐寒防滑橡胶发泡鞋底的制备方法,包括以下步骤:
步骤一,将所需重量份的溶聚丁苯橡胶、丙烯酸酯橡胶、氯醚橡胶在密炼机中密炼15min,得预混物;
步骤二,往密炼机中加入步骤一制备的预混物和除二苯磺酰肼醚、促进剂外的其他原料,混合密炼5min;然后调整密炼温度到90℃,保持3min后一次翻料;待密炼温度升至95℃,二次翻料;待密炼温度升至104℃,三次翻料;待密炼温度升至110℃,四次翻料;待密炼温度升至115℃,五次翻料,再密炼1min,排胶,室温放置24h以上;
步骤三,将密炼后的混合物在开炼机上混炼,并加入准确称量的二苯磺酰肼醚、促进剂,混料均匀片状出片,得发泡片;
步骤四,将发泡片裁成鞋底形状放入橡胶鞋模中硫化成型,硫化温度为145℃,得所述橡胶发泡鞋底。
实施例2
一种耐寒防滑橡胶发泡鞋底,包括以下重量份的原料:
其中,促进剂由乙醇胺、氧化锌、苯二甲酸按质量比1:2.7:0.54的比例组成;填料由海泡石粉与硅藻土按质量比1:3的比例组成。
一种耐寒防滑橡胶发泡鞋底的制备方法,包括以下步骤:
步骤一,将所需重量份的溶聚丁苯橡胶、丙烯酸酯橡胶、氯醚橡胶在高密炼机中密炼10min,得预混物;
步骤二,往密炼机中加入步骤一制备的预混物和除二苯磺酰肼醚、促进剂外的其他原料,混合密炼10min;然后调整密炼温度到90℃,保持3min后一次翻料;待密炼温度升至95℃,二次翻料;待密炼温度升至104℃,三次翻料;待密炼温度升至110℃,四次翻料;待密炼温度升至120℃,五次翻料,再密炼1min,排胶,室温放置24h以上;
步骤三,将密炼后的混合物在开炼机上混炼,并加入准确称量的二苯磺酰肼醚、促进剂,混料均匀片状出片,得发泡片;
步骤四,将发泡片裁成鞋底形状放入橡胶鞋模中硫化成型,硫化温度为160℃,得所述橡胶发泡鞋底。
实施例3
一种耐寒防滑橡胶发泡鞋底,包括以下重量份的原料:
其中,促进剂由乙醇胺、氧化锌、苯二甲酸按质量比1:2.3:0.65的比例组成;填料由海泡石粉与硅藻土按质量比1:2.5的比例组成。
一种耐寒防滑橡胶发泡鞋底的制备方法,包括以下步骤:
步骤一,将所需重量份的溶聚丁苯橡胶、丙烯酸酯橡胶、氯醚橡胶在密炼机中密炼12min,得预混物;
步骤二,往密炼机中加入步骤一制备的预混物和除二苯磺酰肼醚、促进剂外的其他原料,混合密炼8min;然后调整密炼温度到90℃,保持3min后一次翻料;待密炼温度升至95℃,二次翻料;待密炼温度升至104℃,三次翻料;待密炼温度升至110℃,四次翻料;待密炼温度升至118℃,五次翻料,再密炼1min,排胶,室温放置24h以上;
步骤三,将密炼后的混合物在开炼机上混炼,并加入准确称量的二苯磺酰肼醚、促进剂,混料均匀片状出片,得发泡片;
步骤四,将发泡片裁成鞋底形状放入橡胶鞋模中硫化成型,硫化温度为155℃,得所述橡胶发泡鞋底。
对比例1
其原料组成与制备方法与实施例3基本一致,其区别在于:原料组成中,二苯磺酰肼醚替换为发泡剂AC。
对比例2
其原料组成与制备方法与实施例3基本一致,其区别在于:原料组成中,促进剂为过氧化二异丙苯。
对比例3
其原料组成与制备方法与实施例3基本一致,其区别在于:原料组成中,促进剂为乙醇胺、氧化锌按质量比1:1.8-2.7的比例组成。
对比例4
其原料组成与制备方法与实施例3基本一致,其区别在于:原料组成中,促进剂为乙醇胺、苯二甲酸按质量比1:0.54-0.72的比例组成。
对比例5
其原料组成与制备方法与实施例3基本一致,其区别在于:原料组成中,填料为滑石粉。
将实施例1-3与对比例1-5制备的橡胶发泡鞋底进行相应测试,获得如下数据:
表1各实施例数据表
通过上述表格可知,本申请制备的橡胶发泡鞋底能够在(-30)℃的寒冷环境下保持相适宜的柔软性、弹性及弯曲性能,满足寒冷环境下要求的鞋底舒适度;其中,限定溶聚丁苯橡胶、丙烯酸酯橡胶、氯醚橡胶相互混用,与其他原料配合,在性能上能够做到互补,以使制得的橡胶鞋底具有耐寒、防滑性能;限定乙醇胺、氧化锌、苯二甲酸作为促进剂,二苯磺酰肼醚作为发泡剂,配合氯醚橡胶改善丙烯酸酯橡胶的耐寒性、弹性,以提高共混胶的耐寒性和弹性,以使制得的橡胶鞋底适用于(-30)℃的寒冷环境;同时,以乙醇胺、氧化锌、苯二甲酸复配的促进剂,可使混合胶的硫化速度与发泡速度大致同步,以获得良好的孔眼结构,保证制得的橡胶鞋底的力学性能。
以上所述,仅为本发明的较佳实施例而已,故不能以此限定本发明实施的范围,即依本发明申请专利范围及说明书内容所作的等效变化与修饰,皆应仍属本发明专利涵盖的范围内。
Claims (8)
1.一种耐寒防滑橡胶发泡鞋底,其特征在于:包括以下重量份的原料:
溶聚丁苯橡胶 20-30份
丙烯酸酯橡胶 12-18份
氯醚橡胶 5-10份
石蜡油 3-7份
二苯磺酰肼醚 1.2-1.8份
促进剂 1.5-2.5份
填料 12-16份
聚乙烯蜡 0.12-0.18份
硬脂酸镁 0.1-0.12份
硅烷偶联剂 0.4-0.6份
防老剂 1-2份
增塑剂 0.5-1份
分散剂 2-3份
活性剂 1-2份;
所述促进剂由乙醇胺、氧化锌、苯二甲酸按质量比1:1.8-2.7:0.54-0.72的比例组成;
所述填料由海泡石粉与硅藻土按质量比1:2-3的比例组成。
2.根据权利要求1所述的一种耐寒防滑橡胶发泡鞋底,其特征在于:所述防老剂为防老剂4020。
3.根据权利要求1所述的一种耐寒防滑橡胶发泡鞋底,其特征在于:所述分散剂为分散剂AT-B。
4.根据权利要求1所述的一种耐寒防滑橡胶发泡鞋底,其特征在于:所述活性剂为聚乙二醇。
5.根据权利要求1所述的一种耐寒防滑橡胶发泡鞋底,其特征在于:所述增塑剂为二甘醇。
6.根据权利要求1-5任一项所述的一种耐寒防滑橡胶发泡鞋底的制备方法,其特征在于:包括以下步骤:
步骤一,将所需重量份的溶聚丁苯橡胶、丙烯酸酯橡胶、氯醚橡胶在密炼机中密炼10-15min,得预混物;
步骤二,将步骤一制备的预混物和除二苯磺酰肼醚、促进剂外的其他原料,混合密炼,115-120℃排胶,室温放置24h以上;
步骤三,将密炼后的混合物在开炼机上混炼,并加入准确称量的二苯磺酰肼醚、促进剂,混料均匀片状出片,得发泡片;
步骤四,将发泡片裁成鞋底形状放入橡胶鞋模中硫化成型,得所述橡胶发泡鞋底。
7.根据权利要求6所述的一种耐寒防滑橡胶发泡鞋底的制备方法,其特征在于:步骤二中,密炼过程具体包括:往密炼机中加入步骤一制备的预混物和除二苯磺酰肼醚、促进剂外的其他原料,混合密炼5-10min;然后调整密炼温度到90℃,保持3min后一次翻料;待密炼温度升至95℃,二次翻料;待密炼温度升至104℃,三次翻料;待密炼温度升至110℃,四次翻料;待密炼温度升至115-120℃,五次翻料,再密炼1min,排胶,室温放置24h以上。
8.根据权利要求6所述的一种耐寒防滑橡胶发泡鞋底的制备方法,其特征在于:步骤四中,硫化成型的温度为145-160℃。
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