CN104987487A - 一种高弹性材料及其制备方法 - Google Patents
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Abstract
本发明公开了一种高弹性材料,包括以下各原料:5000-6000分子量三官能聚醚多元醇、固含量为28%-45%的高活性聚合物多元醇、发泡剂、乙二醇、二乙醇胺、三乙基二胺、双(2-二甲氨基乙基)醚、硅烷表面活性剂、二苯基甲烷二异氰酸酯、聚醚多元醇的预聚体、色料,其中所述发泡剂为水。本发明公开了一种高弹性材料的制备方法。本发明的高弹性材料广泛应用在前掌垫、后跟垫和中底中,应用于前掌垫,得到的前掌垫弹性高,支撑力大,持久舒适性好,相对使用灌注PU生产的前掌垫具有质轻,成本更低,本发明采用的高弹性材料的制备方法制备前掌垫的生产效率更高。相对EVA有更好的持久舒适性,相对乳胶寿命更长。
Description
技术领域
本发明涉及一种高弹性材料及其制备方法。
背景技术
目前市场上的鞋材弹性低、支撑力度低、舒适性不高、成本高、生产效率低、寿命短等问题。
发明内容
本发明的一个目的是提出了一种高弹性材料,解决了现有技术的鞋材弹性低、支撑力度低、舒适性不高、成本高、寿命短等问题。
本发明的另一个目的是提出了一种高弹性材料的制备方法,解决了现有技术中的鞋材生产效率低的问题。
本发明的技术方案是这样实现的:一种高弹性材料,包括以下各原料:5000-6000分子量三官能聚醚多元醇、固含量为28%-45%的高活性聚合物多元醇、发泡剂、乙二醇、二乙醇胺、三乙基二胺、双(2-二甲氨基乙基)醚、硅烷表面活性剂、二苯基甲烷二异氰酸酯、聚醚多元醇的预聚体、色料,其中所述发泡剂为水。
优选的,所述的高弹性材料中各原料占所述高弹性材料的重量百分比如下:
一种高弹性材料的制备方法,包括以下步骤:
第一步:准备:
将所有生产用原料恒温保存到18-22摄氏度;
模具使用方形钢结构模具,隔层可通过油或水加温,模具预先加温至35-45摄氏度之间,并将模具尺寸调整到1.12*1.52*0.128M;
清理检查模具;
第二步:计量称重:
按配方重量比例和发泡密度计算各种原料的实际使用重量;
第三步:混合原料:
按照配方计算出的各原料的重量比例称取各种原料并按以下顺序添加到原料搅拌桶中:
5000-6000分子量三官能聚醚多元醇→高活性聚合物多元醇→硅烷表面活性剂→乙二醇→二乙醇胺→三乙基二胺→双(2-二甲氨基乙基)醚各→色料→水;
将称取好的原料匀速搅拌2-3分钟直至均匀无杂色,无气泡;
加入二苯基甲烷二异氰酸酯与聚醚多元醇的预聚体,匀速搅拌15-30秒后便入准备好的模具中,待液体发泡升高到模具高度的2/3高度时关闭模具,锁紧模具后待泡体熟化20-30分钟后,开启模具,取出泡体,放置12-24小时,泡体固化完成,所有物性稳定,完成泡体发泡过程;
第四步:裁切成品
泡体固化完成后,即可使用开片机将其裁切为1.1米*1.5米*2~5毫米的薄片,再根据前掌垫尺寸定制刀模,使用油压裁断机进行裁切生产出前掌垫材料成品。
优选的,所述第一步中清理检查模具包括清理模具积垢和发泡余料,在模具表面喷涂脱模剂;准备搅料和刮料用硬度为ASKER C 70~80度EVA刮板;清洁搅拌桶,检查搅拌页是否完好,紧固螺丝是否松动;检查空气压力是否正确;检查锁模螺丝是否灵活、完好。
优选的,所述第二步中各原料重量计算方法如下:
原料总重量=泡体体积*发泡密度+发泡余料重量;
各原料重量=原料使用比例*原料总重量。
本发明的有益效果为:本发明的高弹性材料广泛应用在前掌垫、后跟垫和中底中,应用于前掌垫,得到的前掌垫弹性高(垂直回弹率达53%),支撑力大(硬度达到25~45AskerC),持久舒适性好(热压永久变形率≤5%),相对使用灌注PU生产的前掌垫具有质轻(灌注材料的密度在0.4~0.6g/cm3,而采用本配方和工艺生产的弹性材料密度在0.2~0.3g/cm3),成本更低,本发明采用的高弹性材料的制备方法制备前掌垫的生产效率更高(生产1.1*1.5*0.128M的泡体再开片然后使用刀模冲裁为前掌垫,相对PU灌注成型的前掌垫,生产效率提高10倍以上)。相对EVA有更好的持久舒适性,相对乳胶寿命更长。
具体实施方式
为更好地理解本发明,下面通过以下实施例对本发明作进一步具体的阐述,但不可理解为对本发明的限定,对于本领域的技术人员根据上述发明内容所作的一些非本质的改进与调整,也视为落在本发明的保护范围内。
一种具有高弹性材料的配方的制备方法,包括以下步骤:
第一步:准备:
将所有生产用原料恒温保存到18-22摄氏度;
模具使用方形钢结构模具,隔层可通过油或水加温,模具预先加温至35-45摄氏度之间,并将模具尺寸调整到1.12*1.52*0.128M;
清理检查模具:清理模具积垢和发泡余料,在模具表面喷涂脱模剂;准备搅料和刮料用硬度为ASKER C 70~80度EVA刮板;清洁搅拌桶,检查搅拌页是否完好,紧固螺丝是否松动;检查空气压力是否正确;检查锁模螺丝是否灵活、完好;
第二步:计量称重:
按配方重量比例和发泡密度计算各种原料的实际使用重量;
各原料重量计算方法如下:
原料总重量=泡体体积*发泡密度+发泡余料重量;
各原料重量=原料使用比例*原料总重量。
第三步:混合原料:
按照配方计算出的各原料的重量比例称取各种原料并按以下顺序添加到原料搅拌桶中:
5000-6000分子量三官能聚醚多元醇→高活性聚合物多元醇→硅烷表面活性剂→乙二醇→二乙醇胺→三乙基二胺→双(2-二甲氨基乙基)醚各→色料→水;
将称取好的原料匀速搅拌2-3分钟直至均匀无杂色,无气泡;
加入二苯基甲烷二异氰酸酯与聚醚多元醇的预聚体,匀速搅拌15-30秒后便入准备好的模具中,待液体发泡升高到模具高度的2/3高度时关闭模具,锁紧模具后待泡体熟化20-30分钟后,开启模具,取出泡体,放置12-24小时,泡体固化完成,所有物性稳定,完成泡体发泡过程;
第四步:裁切成品
泡体固化完成后,即可使用开片机将其裁切为1.1M(宽)*1.5M(长)*2~5MM厚)的薄片,再根据前掌垫尺寸定制刀模,使用油压裁断机进行裁切生产出前掌垫材料成品。
实施例1
发明人按照本发明提供的内容,制得高弹性材料1,其中第一步中将所有生产用原料恒温保存到18摄氏度,其中第三步中加入二苯基甲烷二异氰酸酯与聚醚多元醇的预聚体,匀速搅拌的时间设定为15秒,锁紧模具后待泡体熟化时间为20分钟后,开启模具,取出泡体,放置时间为12小时,各原料占所述高弹性材料的重量百分比如下:
实施例2
发明人按照本发明提供的内容,制得高弹性材料2,其中第一步中将所有生产用原料恒温保存到22摄氏度,其中第三步中加入二苯基甲烷二异氰酸酯与聚醚多元醇的预聚体,匀速搅拌的时间设定为30秒,锁紧模具后待泡体熟化时间为30分钟后,开启模具,取出泡体,放置时间为24小时,各原料占所述高弹性材料的重量百分比如下:
实施例3
发明人按照本发明提供的内容,制得高弹性材料3,其中第一步中将所有生产用原料恒温保存到20摄氏度,其中第三步中加入二苯基甲烷二异氰酸酯与聚醚多元醇的预聚体,匀速搅拌的时间设定为18秒,锁紧模具后待泡体熟化时间为25分钟后,开启模具,取出泡体,放置时间为18小时,各原料占所述高弹性材料的重量百分比如下:
高弹性材料1、高弹性材料2、高弹性材料3的应用范围:弹性鞋垫的前掌垫和后跟垫,中底。
高弹性材料1、高弹性材料2、高弹性材料3在前掌垫中的应用,弹性高(垂直回弹率达53%),支撑力大(硬度达到25~45Asker C),持久舒适性好(热压永久变形率≤5%),相对使用灌注PU生产的前掌垫具有质轻(灌注材料的密度在0.4~0.6g/cm3,而采用本配方和工艺生产的弹性材料密度在0.2~0.3g/cm3),成本更低,生产效率更高(生产1.1*1.5*0.128M的泡体再开片然后使用刀模冲裁为前掌垫,相对PU灌注成型的前掌垫,生产效率提高10倍以上)。相对EVA有更好的持久舒适性,相对乳胶寿命更长。发明人还将高弹性材料1、高弹性材料2、高弹性材料3应用于后跟垫,中底中,同样能使得到的后跟垫,中底具备弹性高、支撑力大、持久舒适性好、质轻等优良的性能。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (5)
1.一种高弹性材料,其特征在于包括以下各原料:5000-6000分子量三官能聚醚多元醇、固含量为28%-45%的高活性聚合物多元醇、发泡剂、乙二醇、二乙醇胺、三乙基二胺、双(2-二甲氨基乙基)醚、硅烷表面活性剂、二苯基甲烷二异氰酸酯、聚醚多元醇的预聚体、色料,其中所述发泡剂为水。
2.如权利要求1所述的高弹性材料,其特征在于,各原料占所述高弹性材料的重量百分比如下:
3.一种如权利要求1或2所述的高弹性材料的制备方法,其特征在于包括以下步骤:
第一步:准备:
将所有生产用原料恒温保存到18-22摄氏度;
模具使用方形钢结构模具,隔层可通过油或水加温,模具预先加温至35-45摄氏度之间,并将模具尺寸调整到1.12米*1.52米*0.128米;清理检查模具;
第二步:计量称重:
按配方重量比例和发泡密度计算各种原料的实际使用重量;
第三步:混合原料:
按照配方计算出的各原料的重量比例称取各种原料并按以下顺序添加到原料搅拌桶中:
5000-6000分子量三官能聚醚多元醇→高活性聚合物多元醇→硅烷表面活性剂→乙二醇→二乙醇胺→三乙基二胺→双(2-二甲氨基乙基)醚→色料→水;
将称取好的原料匀速搅拌2-3分钟直至均匀无杂色,无气泡;
加入二苯基甲烷二异氰酸酯与聚醚多元醇的预聚体,匀速搅拌15-30秒后倒入准备好的模具中,待液体发泡升高到模具高度的2/3高度时关闭模具,锁紧模具后待泡体熟化20-30分钟后,开启模具,取出泡体,放置12-24小时,泡体固化完成,所有物性稳定,完成泡体发泡过程;
第四步:裁切成品
泡体固化完成后,即可使用开片机将其裁切为1.1米*1.5米*2~5毫米的薄片,再根据前掌垫尺寸定制刀模,使用油压裁断机进行裁切生产出前掌垫材料成品。
4.如权利要求3所述的高弹性材料的制备方法,其特征在于所述第一步中清理检查模具包括清理模具积垢和发泡余料,在模具表面喷涂脱模剂;准备搅料和刮料用硬度为ASKERC 70~80度EVA刮板;清洁搅拌桶,检查搅拌页是否完好,紧固螺丝是否松动;检查空气压力是否正确;检查锁模螺丝是否灵活、完好。
5.如权利要求3所述的高弹性材料的制备方法,其特征在于,所述第二步中各原料重量计算方法如下:
原料总重量=泡体体积*发泡密度+发泡余料重量;
各原料重量=原料使用比例*原料总重量。
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