CN113416410A - 一种跑步板及其制备方法 - Google Patents
一种跑步板及其制备方法 Download PDFInfo
- Publication number
- CN113416410A CN113416410A CN202110763144.2A CN202110763144A CN113416410A CN 113416410 A CN113416410 A CN 113416410A CN 202110763144 A CN202110763144 A CN 202110763144A CN 113416410 A CN113416410 A CN 113416410A
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- parts
- running board
- wear
- polyether polyol
- stirring
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Abstract
本发明公开了一种跑步板,包括自下而上依次设置的木材基板、缓冲层和耐磨层,所述耐磨层包括如下重量份的组分:预聚体90‑110份、硫化剂35‑45份、填料18‑23份、己二酸二辛酯27‑35份;所述缓冲层包括如下重量份的组分:多元醇80‑90份、异氰酸酯25‑35份、催化剂0.1‑0.3份、稳定剂0.3‑0.7份、水2‑4份,所述多元醇为接枝聚醚多元醇和高活性聚醚多元醇的混合物,所述接枝聚醚多元醇和高活性聚醚多元醇的重量份比为(1‑2):1。本发明通过将缓冲层和耐磨层复合在木材基板上,能够有效提高跑步板的耐磨性能和缓冲及吸收跑步产生的冲击力,降低跑步时产生的噪音,提高跑步时的舒适度。
Description
技术领域
本发明涉及跑步板技术领域,具体涉及一种跑步板及其制备方法。
背景技术
当前跑步板普遍采用中密度纤维板为基材,表面贴三聚氰胺浸渍纸作为耐磨层,材料廉价易得,加工简便,三聚氰胺耐磨、耐热,因此,得到普遍使用。
目前大多数跑步机,人在跑步机上跑步时,都会产生一声“嘣”,连续的跑动就会产生连续的“嘣、嘣”声响,非常烦人,而且,使用过跑步机锻炼的人都知道,在跑步机上跑步没有在体育场的塑胶跑道上跑步舒服,这是因为体育场馆的塑胶跑道是在混凝土地面上铺设了一层PU橡胶,PU是高弹性橡胶,能有效缓冲和吸收人在跑步时蹬踏所产生的冲击力。而跑步机的跑板由中纤板表面贴三聚氰胺,硬度高且没有橡胶那种弹性,再加上跑步带虽由软质PVC和PET纤维织物复合而成,但毕竟胶层很薄,又是致密的结构,因此,对冲击力的缓冲和吸收有限。
为了解决这一问题,行业中的技术人员想了不少办法,也拿出过很多解决方案,如在跑板底部与机架之间安装气囊、安装缓冲垫、安装液压杆等等,但实际效果并不理想。
申请人开发了一款跑步板,在中密度纤维板上加一层泡棉作缓冲层,泡棉上再加一层胶片作耐磨层。这种跑步板开始时效果非常好,消除了踩踏噪音,舒适性也很好,但不耐用,使用一段时间后,缓冲层的泡棉变形大,且支撑性能、回弹性能大幅度下降,影响跑步板质量。耐磨层的胶片材料尝试过PE、PP、PVC、PA和PET,效果最好是PET,摩擦系数低,热变形温度高,强度高,开始时效果非常好,消除了踩踏噪音,舒适性也很好,但不耐用,胶片很快会变形、破损。
发明内容
本发明的目的在于提供一种跑步板及其制备方法,旨在解决背景技术的问题。
为了达到上述的目的,本发明提供了如下技术方案:
一种跑步板,包括自下而上依次设置的木材基板、缓冲层和耐磨层:
所述耐磨层包括如下重量份的组分:预聚体90-110份、硫化剂35-45份、填料18-23份、己二酸二辛酯27-35份;
所述缓冲层包括如下重量份的组分:多元醇80-90份、异氰酸酯25-35份、催化剂0.1-0.3份、稳定剂0.3-0.7份、水2-4份,所述多元醇为接枝聚醚多元醇和高活性聚醚多元醇的混合物,所述接枝聚醚多元醇和高活性聚醚多元醇的重量份比为(1-2):1。
木材基板可以为中密度纤维板。
进一步的,所述预聚体通过如下方法制备:1)将聚酯型多元醇加入到反应釜中,抽真空,控制温度在100℃-120℃,搅拌2-3小时;2)使体系降温到40℃-50℃,体系通氮气保护;3)将二异氰酸酯加入反应釜中搅拌,控制温度在60℃-80℃反应3-5小时;4)反应结束,体系抽真空除去气泡,得到预聚体。
聚酯型多元醇的聚酯分子中含有较多的极性酯基(一COO-),可形成较强的分子内氢键,因而聚酯型聚氨酯具有较高的强度,耐磨及耐油性能,能够提高软质跑步板耐磨层的强度、耐磨及耐油性能。
进一步的,所述聚酯型多元醇为分子量在500~1500之间的液态聚酯型多元醇,所述液体聚酯型多元醇由醇和酸反应得到,所述酸为己二酸、癸二酸、马来酸、富马酸、对苯二甲酸、间苯二甲酸、邻苯二甲酸的一种或多种,所述醇为1,2-乙二醇、1,3-丁二醇、1,4-丁二醇、1,5-戊二醇、二甘醇、新戊醇的一种或多种。
通过分子量设为500~1500之间,能够很好的改善预聚体的力学性能,提高最终耐磨层产品的硬度和抗撕裂度,进而提升跑步板的抗冲击性。
进一步的,所述接枝聚醚多元醇通过如下方法制备:在充满氮气的反应器中,加入分子量为300-500的聚甘油-氧化丙烯醚、引发剂和乙烯基单体,在80-90℃下搅拌反应5-6小时,得到分散体,将分散体在真空度0.24-0.28KPa、温度100℃下加热1-1.5小时,去除未反应单体,即得接枝聚醚多元醇。
本发明中不饱和烯烃类单体--乙烯基单体接枝聚合改性普通的氧化烯烃类聚醚多元醇--聚甘油-氧化丙烯醚,通过引入了高分子、大体积侧基,增加了分子链的旋转位垒和内摩擦力,即增加分子链节的刚度,从而使得到的接枝聚醚多元醇制备跑步板的缓冲层泡棉显出较高的硬度和承载性,能够大大提高缓冲层的回弹性和压缩负荷性能,同时使缓冲层具有较高的机械强度和优异的耐疲劳性能和耐冲击性能。
进一步的,所述聚甘油-氧化丙烯醚、引发剂和乙烯基单体的重量比为(60-80):1:20,所述引发剂为过氧化苯甲酰或偶氮二异丁二腈;所述乙烯基单体为丙烯晴与苯乙烯的混合物,所述丙烯晴与苯乙烯的重量比为(1-2):1。
本发明中乙烯基单体选用丙烯晴与苯乙烯的混合,且丙烯晴与苯乙烯的重量比为(1-2):1,相对于单独使用丙烯晴或苯乙烯,能够大大提升接枝聚醚多元醇的储存稳定性。聚甘油-氧化丙烯醚、引发剂和乙烯基单体的重量比为(60-80):1:20,能够使制得的接枝聚醚多元醇获得较低的羟值,提高跑步板缓冲层的弹性。
进一步的,所述接枝聚醚多元醇的分子量为5000-6000,羟值为40-45mgKOH/g。
进一步的,所述填料为石墨,所述硫化剂为Duracure C3。石墨作为填料,能够降低耐磨层的摩擦系数。
Duracure C3是用于固化DURACASTTM聚氨酯预聚体的一种封端的二胺类扩链剂。具有耐磨、固化速率快的特点。反应速率高,而且在常温时封端,在高温时解封。室温下没有反应活性,但是当把它加温到115-160℃时,它可以解封并迅速固化形成一定强度的弹性体。
当将Duracure C3与预聚体在室温至70℃的温度区间混合时,具有相当长的浇铸时间,某些体系在低于50℃温度下的稳定储放时间能超过一个月。由于Duracure C3的这种特性,本发明中的耐磨层制备可以根据需求选择浇铸倒模时间,当不确定耐磨层胶片的厚度时,可以先不进行浇铸倒模,等确定耐磨层胶片的厚度时,再进行浇铸倒模,极大提高生产灵活性。
Duracure C3固化的Duracast预聚体具有优越的硬段结构,且具有独特的加工性能。如耐高温性及剪切性能、撕裂性能,良好的扰曲疲劳性,低温柔韧性,高低温下的动态性能等。该类预聚体基于低游离技术是不含MOCA的,所以具有良好的安全、环保性。由此,制备的耐磨层也具有良好的安全、环保性。
进一步的,所述高活性聚醚多元醇为在聚氧化丙烯醚端基引入氧化乙烯链段制成。
通过在聚氧化丙烯醚端基引入氧化乙烯链段,能够将仲羟基转变为伯羟基,从而提高反应活性。伯羟基部分与异氰酸酯反应速度比仲羟基大3-4倍,所以在聚氧化丙烯醚端基引入氧化乙烯链段,将仲羟基转变为伯羟基,能够使跑步板缓冲层在常温下进行成型,达到冷熟化的目的,避免热熟化,提高制备安全性和节约能源。
进一步的,所述高活性聚醚多元醇分子量为3000-4000,羟值为20-35mgKOH/g。
进一步的,所述异氰酸酯为1,5-萘二异氰酸酯,所述催化剂为叔胺类催化剂和有机锡催化剂的混合物,所述稳定剂为有机硅稳定剂。
进一步的,所述叔胺类催化剂和有机锡催化剂的重量之比为1:(1-2),所述叔胺类催化剂为四甲基丁二胺和三亚乙基二胺中的一种,所述有机锡催化剂为辛酸亚锡和二丁基锡二月桂酸酯中的一种。
叔胺类催化剂的作用主要在发泡反应上,它的活性高,发泡进行得快,初期粘度增长迅速,泡孔打开较容易,但体系稳定性小。有机锡催化剂的作用主要在链增长反应上,凝胶反应进行得较快,有利于整个反应的完成。因此,将叔胺类催化剂和有机锡催化剂协同复配,碱性的胺接近异氰酸酯和有机锡催化剂生成的活性中间物连在异氰酸酯的羰基上,使活性中间物稳定,催化效果会大大加强,在较低用量的情况下也能达到较好的催化效果,既能加快跑步板缓冲层反应速度,又能提高缓冲层体系稳定性。
进一步的,还包括PVC层,所述PVC层设于所述木材基板的底部,所述PVC为硬质PVC。PVC层可以采用胶水贴合在木材基板的底部,提高木材基板的强度,进而提高跑步板的强度。
本发明还提供一种跑步板的制备方法,包括如下步骤:
步骤一:耐磨层的制备:
(a)将填料在110-130℃下处理24小时以上,彻底去除水分;
(b)将步骤(a)中处理好的填料加入到己二酸二辛酯中进行研磨,得到填料分散体;
(c)将预聚体在70-75℃预热12小时以上;
(d)在氮气保护下,将研磨好的填料分散体加入到预热好的预聚体中,搅拌均匀;
(e)加入硫化剂,搅拌均匀后抽真空脱气;
(f)倒模:将脱气后的料体浇注到模具中,在120-140℃温度下,15-20min后出模;
(g)后处理:在135-145℃温度下硫化22-25小时,即得耐磨层产品;
步骤二:跑步板的制备:
按重量份将多元醇、催化剂、稳定剂和水加入搅拌釜中加热搅拌20-30分钟后降至常温作为A组分备用,使用高压发泡机或低压发泡机,将异氰酸酯和A组分混合后定量注入已放置木材基板和耐磨层的模具中,合模发泡,制得跑步板。
本发明在制备跑步板时,在缓冲层的泡沫未反应时,就将未反应的泡体与木材基板和耐磨层直接复合,一边发泡一边粘合,无需使用胶水,降低生产成本,同时也使跑步板的结构更加牢固稳定。
进一步的,所述耐磨层的厚度为0.3-1.2mm,所述缓冲层的厚度为5-15mm。胶片厚度为0.3-1.2mm,这样厚度的胶片作为耐磨层应用到跑步板上,既能保证其缓冲和降噪的效果,又能保证其不会因太薄而容易断裂。
进一步的,所述耐磨层的制备中,步骤(c)中所述的预热为在干燥的氮气保护下进行预热,步骤(e)中抽真空脱气条件为:真空度690-740mmHg柱,压力914-982m bar,时间3小时以上;所述跑步板的制备中,所述加热搅拌具体为加热40-45℃,搅拌速率200-500转/分。
进一步的,所述跑步板的制备还包括在木材基板底部粘贴PVC层,所述PVC为硬质PVC。
本发明所提供的一种跑步板及其制备方法,相比于现有技术具有如下有益效果:
本发明通过将缓冲层和耐磨层复合在木材基板上,能够有效提高跑步板的耐磨性能和缓冲及吸收跑步产生的冲击力,降低跑步时产生的噪音,提高跑步时的舒适度。
通过预聚体、硫化剂、填料和己二酸二辛酯复配制备耐磨层,使制得的耐磨层具有耐磨性好、抗冲击性能好、永久变形低、断裂伸长大、扯断强度高、耐疲劳性能好、耐油性能好、耐高温和摩擦系数低的特点,能够提高跑步板对冲击力的缓冲和吸收,提高跑步时的舒适度和降低跑步时的噪音,提高跑步板耐用性,延长跑步板使用寿命。
通过接枝聚醚多元醇和高活性聚醚多元醇协同复配,使跑步板缓冲层在冷熟化下同样具有较高的机械强度和耐疲劳性能以及耐冲击性能,且制得的缓冲层具有变形小、支撑性能、回弹性能好的特点,能够缓冲和吸收跑步所产生的冲击力和震动,具有良好的减震、吸音效果。
本发明跑步板在100kg载荷连续运行时温升<40℃,噪音<65dB,500小时试验,无变形及磨损。
附图说明
图1为本发明跑步板结构示意图。
【附图标记说明】
1-木材基板、2-缓冲层、3-耐磨层。
具体实施方式
以下结合具体实施例对本发明作详细说明。
实施例1
一种跑步板,由木材基板1、缓冲层2、耐磨层3和PVC层(附图未示出)组成,缓冲层1设于木材基板的顶部,耐磨层3设于缓冲层2的顶部,PVC层设于木材基板1的底部。
所述耐磨层由如下重量份的组分组成:预聚体90份、Duracure C345份、石墨18份、己二酸二辛酯35份。
所述缓冲层由如下重量份的组分组成:接枝聚醚多元醇60份、高活性聚醚多元醇30份、1,5-萘二异氰酸酯25份、催化剂0.1份、聚二甲基硅氧烷0.7份、水2份,所述催化剂为四甲基丁二胺和辛酸亚锡的混合,所述四甲基丁二胺和辛酸亚锡的重量之比为1:1。
所述预聚体通过如下方法制备:
1)将由1,2-乙二醇和己二酸反应得到的分子量为1500的聚酯型多元醇加入到反应釜中,抽真空,控制温度在100℃,搅拌3小时;
2)使体系降温到50℃,体系通氮气保护;
3)将甲苯二异氰酸酯加入反应釜中搅拌,控制温度在80℃反应5小时,聚酯型多元醇与二异氰酸酯的重量比为5:1;
4)反应结束,体系抽真空除去气泡,得到预聚体。
所述接枝聚醚多元醇通过如下方法制备:在充满氮气的反应器中,加入分子量为300的聚甘油-氧化丙烯醚、过氧化苯甲酰和乙烯基单体,在90℃下搅拌反应5小时,得到分散体,将分散体在真空度0.24KPa、温度100℃下加热1.5小时,去除未反应单体,即得接枝聚醚多元醇。所述聚甘油-氧化丙烯醚、过氧化苯甲酰和乙烯基单体的重量比为80:1:20,所述乙烯基单体为丙烯晴与苯乙烯的混合物,所述丙烯晴与苯乙烯的重量比为1:1。
所述接枝聚醚多元醇的分子量为5000,羟值为45mgKOH/g,所述高活性聚醚多元醇分子量为4000,羟值为20mgKOH/g。
上述实施例1跑步板的制备方法包括如下步骤:
步骤一:耐磨层的制备:
(a)将石墨在130℃下处理24小时以上,彻底去除水分;
(b)将步骤(a)中处理好的石2墨加入到己二酸二辛酯中进行研磨,得到石墨分散体;
(c)将预聚体在70℃预热17小时,所述的预热为在干燥的氮气保护下进行预热;
(d)在氮气保护下,将研磨好的石墨分散体加入到预热好的预聚体中,搅拌均匀;
(e)加入Duracure C3,搅拌均匀后抽真空脱气,抽真空脱气条件为:真空度740mmHg柱,压力914m bar,时间4小时;
(f)倒模:将脱气后的料体浇注到模具中,在140℃温度下,20min后出模;
(g)后处理:在135℃温度下硫化22小时,即得耐磨层产品;
步骤二:跑步板的制备:
按重量份将接枝聚醚多元醇、高活性聚醚多元醇、四甲基丁二胺、辛酸亚锡、聚二甲基硅氧烷和水加入搅拌釜中加热至45℃搅拌20分钟后降至常温作为A组分备用,使用高压发泡机或低压发泡机,将1,5-萘二异氰酸酯和A组分混合后定量注入已放置木材基板和耐磨层的模具中,合模发泡,再在木材基板底部粘贴PVC层,制得跑步板,其中,搅拌速率为400转/分。
实施例2
一种跑步板,由木材基板1、缓冲层2、耐磨层3和PVC层组成,缓冲层1设于木材基板的顶部,耐磨层3设于缓冲层2的顶部,PVC层设于木材基板1的底部。
所述耐磨层由如下重量份的组分组成:预聚体110份、Duracure C335份、石墨23份、己二酸二辛酯27份。
所述缓冲层由如下重量份的组分组成:接枝聚醚多元醇40份、高活性聚醚多元醇40份、1,5-萘二异氰酸酯35份、催化剂0.3份、聚二甲基硅氧烷0.3份、水4份,所述催化剂为三亚乙基二胺和二丁基锡二月桂酸酯的混合,所述三亚乙基二胺和二丁基锡二月桂酸酯的重量之比为1:2。
所述预聚体通过如下方法制备:
1)将由1,3-丁二醇和间苯二甲酸反应得到的分子量为500的聚酯型多元醇加入到反应釜中,抽真空,控制温度在120℃,搅拌2小时;
2)使体系降温到40℃,体系通氮气保护;
3)将甲苯二异氰酸酯加入反应釜中搅拌,控制温度在60℃反应3小时,聚酯型多元醇与二异氰酸酯的重量比为3:1;
4)反应结束,体系抽真空除去气泡,得到预聚体。
所述接枝聚醚多元醇通过如下方法制备:在充满氮气的反应器中,加入分子量为500的聚甘油-氧化丙烯醚、偶氮二异丁二腈和乙烯基单体,在80℃下搅拌反应6小时,得到分散体,将分散体在真空度0.28KPa、温度100℃下加热1小时,去除未反应单体,即得接枝聚醚多元醇。所述聚甘油-氧化丙烯醚、偶氮二异丁二腈和乙烯基单体的重量比为60:1:20,所述乙烯基单体为丙烯晴与苯乙烯的混合物,所述丙烯晴与苯乙烯的重量比为2:1。
所述接枝聚醚多元醇的分子量为6000,羟值为40mgKOH/g,所述高活性聚醚多元醇分子量为3000,羟值为35mgKOH/g。
上述实施例2跑步板的制备方法包括如下步骤:
步骤一:耐磨层的制备:
(a)将石墨在110℃下处理24小时以上,彻底去除水分;
(b)将步骤(a)处理好的石墨加入到己二酸二辛酯中进行研磨,得到石墨分散体;
(c)将预聚体在75℃预热13小时,所述的预热为在干燥的氮气保护下进行预热;
(d)在氮气保护下,将研磨好的石墨分散体加入到预热好的预聚体中,搅拌均匀;
(e)加入Duracure C3,搅拌均匀后抽真空脱气,抽真空脱气条件为:真空度690mmHg柱,压力982m bar,时间6小时;
(f)倒模:将脱气后的料体浇注到模具中,在120℃温度下,15min后出模;
(g)后处理:在145℃温度下硫化25小时,即得耐磨层产品;
步骤二:跑步板的制备:
按重量份将接枝聚醚多元醇、高活性聚醚多元醇、三亚乙基二胺、二丁基锡二月桂酸酯、聚二甲基硅氧烷和水加入搅拌釜中加热至40℃搅拌30分钟后降至常温作为A组分备用,使用高压发泡机或低压发泡机,将1,5-萘二异氰酸酯和A组分混合后定量注入已放置木材基板和耐磨层的模具中,合模发泡,再在木材基板底部粘贴PVC层,制得跑步板,其中,搅拌速率为400转/分。
实施例3
一种跑步板,由木材基板1、缓冲层2、耐磨层3和PVC层组成,缓冲层1设于木材基板的顶部,耐磨层3设于缓冲层2的顶部,PVC层设于木材基板1的底部。
所述耐磨层由如下重量份的组分组成:预聚体100份、Duracure C339份、石墨20份、己二酸二辛酯30份。
所述缓冲层由如下重量份的组分组成:接枝聚醚多元醇45份、高活性聚醚多元醇40份、1,5-萘二异氰酸酯30份、催化剂0.2份、聚二甲基硅氧烷0.5份、水3份。所述催化剂为三亚乙基二胺和辛酸亚锡的混合,所述三亚乙基二胺和辛酸亚锡的重量之比为1:1。
所述预聚体通过如下方法制备:
1)将由二甘醇和癸二酸反应得到的分子量为1000聚酯型多元醇加入到反应釜中,抽真空,控制温度在110℃,搅拌2.5小时;
2)使体系降温到40℃,体系通氮气保护;
3)将甲苯二异氰酸酯加入反应釜中搅拌,控制温度在70℃反应4小时,聚酯型多元醇与二异氰酸酯的重量比为4:1;
4)反应结束,体系抽真空除去气泡,得到预聚体。
所述接枝聚醚多元醇通过如下方法制备:在充满氮气的反应器中,加入分子量为400的聚甘油-氧化丙烯醚、过氧化苯甲酰和乙烯基单体,在85℃下搅拌反应5.5小时,得到分散体,将分散体在真空度0.26KPa、温度100℃下加热1.3小时,去除未反应单体,即得接枝聚醚多元醇。所述聚甘油-氧化丙烯醚、过氧化苯甲酰和乙烯基单体的重量比为70:1:20,所述乙烯基单体为丙烯晴与苯乙烯的混合物,所述丙烯晴与苯乙烯的重量比为1:1。
所述接枝聚醚多元醇的分子量为5500,羟值为40mgKOH/g,所述高活性聚醚多元醇分子量为3500,羟值为30mgKOH/g。
上述实施例3跑步板的制备方法包括如下步骤:
步骤一:耐磨层的制备:
(a)将石墨在120℃下处理24小时以上,彻底去除水分;
(b)将步骤(a)中处理好的石墨加入到己二酸二辛酯中进行研磨,得到石墨分散体;
(c)将预聚体在70℃预热15小时,所述的预热为在干燥的氮气保护下进行预热;
(d)在氮气保护下,将研磨好的石墨分散体加入到预热好的预聚体中,搅拌均匀;
(e)加入Duracure C3,搅拌均匀后抽真空脱气,抽真空脱气条件为:真空度720mmHg柱,压力950m bar,时间5小时。
(f)倒模:将脱气后的料体浇注到模具中,在130℃温度下,18min后出模;
(g)后处理:在140℃温度下硫化24小时,即得耐磨层产品;
步骤二:跑步板的制备:
按重量份将接枝聚醚多元醇、高活性聚醚多元醇、1,5-萘二异氰酸酯、乙二醇、三亚乙基二胺、辛酸亚锡、聚二甲基硅氧烷和水加入搅拌釜中加热至45℃搅拌20分钟后降至常温作为A组分备用,使用高压发泡机或低压发泡机,将1,5-萘二异氰酸酯和A组分混合后定量注入已放置木材基板和耐磨层的模具中,合模发泡,再在木材基板底部粘贴PVC层,制得跑步板,其中,搅拌速率为400转/分。
对比例1
与实施例3的不同之处在于,耐磨层中采用常规二胺类扩链剂3,3'-二氯-4,4'-二苯基甲烷二胺替代Duracure C3。
对比例2
与实施例3的不同之处在于,缓冲层中的多元醇为仅为高活性聚醚多元醇。
对本发明实施例1-3和对比例1-2制得的跑步板进行性能测试,结果如下:
由表1可知,实施例1-3具有更为优异的耐磨性能、回弹性能、变形小、较低的摩擦系数和较强的抗冲击力。
本发明跑步板在100kg载荷连续运行时温升<40℃,噪音<65dB,500小时试验,无变形及磨损。
在不冲突的情况下,上述的实施例及实施例中的特征可以相互组合。
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 (10)
1.一种跑步板,其特征在于,包括自下而上依次设置的木材基板、缓冲层和耐磨层;
所述耐磨层包括如下重量份的组分:预聚体90-110份、硫化剂35-45份、填料18-23份、己二酸二辛酯27-35份;
所述缓冲层包括如下重量份的组分:多元醇80-90份、异氰酸酯25-35份、催化剂0.1-0.3份、稳定剂0.3-0.7份、水2-4份,所述多元醇为接枝聚醚多元醇和高活性聚醚多元醇的混合物,所述接枝聚醚多元醇和高活性聚醚多元醇的重量份比为(1-2):1。
2.根据权利要求1所述的跑步板,其特征在于,所述预聚体通过如下方法制备:1)将聚酯型多元醇加入到反应釜中,抽真空,控制温度在100℃-120℃,搅拌2-3小时;2)使体系降温到40℃-50℃,体系通氮气保护;3)将二异氰酸酯加入反应釜中搅拌,控制温度在60℃-80℃反应3-5小时;4)反应结束,体系抽真空除去气泡,得到预聚体。
3.根据权利要求2所述的跑步板,其特征在于,所述聚酯型多元醇为分子量在500~1500之间的液态聚酯型多元醇,所述液体聚酯型多元醇由醇和酸反应得到,所述酸为己二酸、癸二酸、马来酸、富马酸、对苯二甲酸、间苯二甲酸、邻苯二甲酸的一种或多种,所述醇为1,2-乙二醇、1,3-丁二醇、1,4-丁二醇、1,5-戊二醇、二甘醇、新戊醇的一种或多种。
4.根据权利要求1所述的跑步板,其特征在于,所述接枝聚醚多元醇通过如下方法制备:在充满氮气的反应器中,加入分子量为300-500的聚甘油-氧化丙烯醚、引发剂和乙烯基单体,在80-90℃下搅拌反应5-6小时,得到分散体,将分散体在真空度0.24-0.28KPa、温度100℃下加热1-1.5小时,去除未反应单体,即得接枝聚醚多元醇。
5.根据权利要求4所述的跑步板,其特征在于,所述聚甘油-氧化丙烯醚、引发剂和乙烯基单体的重量比为(60-80):1:20,所述引发剂为过氧化苯甲酰或偶氮二异丁二腈;所述乙烯基单体为丙烯晴与苯乙烯的混合物,所述丙烯晴与苯乙烯的重量比为(1-2):1。
6.根据权利要求1所述的跑步板,其特征在于,所述填料为石墨,所述硫化剂为Duracure C3,所述高活性聚醚多元醇为在聚氧化丙烯醚端基引入氧化乙烯链段制成,所述异氰酸酯为1,5-萘二异氰酸酯,所述催化剂为叔胺类催化剂和有机锡催化剂的混合物,所述稳定剂为有机硅稳定剂。
7.根据权利要求6所述的跑步板,其特征在于,所述叔胺类催化剂和有机锡催化剂的重量之比为1:(1-2),所述叔胺类催化剂为四甲基丁二胺和三亚乙基二胺中的一种,所述有机锡催化剂为辛酸亚锡和二丁基锡二月桂酸酯中的一种。
8.根据权利要求1所述的跑步板,其特征在于,还包括PVC层,所述PVC层设于所述木材基板的底部,所述PVC为硬质PVC。
9.一种如权利要求1-8任一项所述的跑步板的制备方法,其特征在于,包括如下步骤:
步骤一:耐磨层的制备:
(a)将填料在110-130℃下处理24小时以上,彻底去除水分;
(b)将步骤(a)中处理好的填料加入到己二酸二辛酯中进行研磨,得到填料分散体;
(c)将预聚体在70-75℃预热12小时以上;
(d)在氮气保护下,将研磨好的填料分散体加入到预热好的预聚体中,搅拌均匀;
(e)加入硫化剂,搅拌均匀后抽真空脱气;
(f)倒模:将脱气后的料体浇注到模具中,在120-140℃温度下,15-20min后出模;
(g)后处理:在135-145℃温度下硫化22-25小时,即得耐磨层产品;
步骤二:跑步板的制备:
按重量份将多元醇、催化剂、稳定剂和水加入搅拌釜中加热搅拌20-30分钟后降至常温作为A组分备用,使用高压发泡机或低压发泡机,将异氰酸酯和A组分混合后定量注入已放置木材基板和耐磨层的模具中,合模发泡,制得跑步板。
10.根据权利要求9所述的制备方法,其特征在于,所述耐磨层的厚度为0.3-1.2mm,所述缓冲层的厚度为5-15mm;所述耐磨层的制备中,步骤(c)中所述的预热为在干燥的氮气保护下进行预热,步骤(e)中抽真空脱气条件为:真空度690-740mmHg柱,压力914-982m bar,时间3小时以上;所述跑步板的制备中,所述加热搅拌具体为加热40-45℃,搅拌速率200-500转/分。
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202020840U (zh) * | 2011-03-25 | 2011-11-02 | 东庚企业股份有限公司 | 跑步机的跑板 |
CN104059209A (zh) * | 2014-06-06 | 2014-09-24 | 上海壹永聚氨酯制品厂 | 聚己内酯高分子预聚体及其制备方法 |
CN106397729A (zh) * | 2016-08-31 | 2017-02-15 | 佛山林至高分子材料科技有限公司 | 一种可热压定型缓冲材料及其制备方法与应用 |
US20170369704A1 (en) * | 2015-01-13 | 2017-12-28 | Advanced Softmaterials Inc. | Thermoplastic elastomer composition, thermoplastic elastomer, and method for producing thermoplastic elastomer |
CN109320682A (zh) * | 2018-09-30 | 2019-02-12 | 山东诺威新材料有限公司 | 汽车座椅用低密度高回弹泡沫及其制备方法 |
CN110305289A (zh) * | 2019-07-29 | 2019-10-08 | 福建大方睡眠科技股份有限公司 | 一种不黄变聚氨酯记忆棉及其制备方法 |
CN111849148A (zh) * | 2020-07-27 | 2020-10-30 | 河北省科学院能源研究所 | 聚氨酯弹性阻尼胶泥材料 |
CN111909355A (zh) * | 2020-08-13 | 2020-11-10 | 荆晓东 | 一种耐疲劳低密度高回弹海绵及其制备方法 |
-
2021
- 2021-07-06 CN CN202110763144.2A patent/CN113416410B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202020840U (zh) * | 2011-03-25 | 2011-11-02 | 东庚企业股份有限公司 | 跑步机的跑板 |
CN104059209A (zh) * | 2014-06-06 | 2014-09-24 | 上海壹永聚氨酯制品厂 | 聚己内酯高分子预聚体及其制备方法 |
US20170369704A1 (en) * | 2015-01-13 | 2017-12-28 | Advanced Softmaterials Inc. | Thermoplastic elastomer composition, thermoplastic elastomer, and method for producing thermoplastic elastomer |
CN106397729A (zh) * | 2016-08-31 | 2017-02-15 | 佛山林至高分子材料科技有限公司 | 一种可热压定型缓冲材料及其制备方法与应用 |
CN109320682A (zh) * | 2018-09-30 | 2019-02-12 | 山东诺威新材料有限公司 | 汽车座椅用低密度高回弹泡沫及其制备方法 |
CN110305289A (zh) * | 2019-07-29 | 2019-10-08 | 福建大方睡眠科技股份有限公司 | 一种不黄变聚氨酯记忆棉及其制备方法 |
CN111849148A (zh) * | 2020-07-27 | 2020-10-30 | 河北省科学院能源研究所 | 聚氨酯弹性阻尼胶泥材料 |
CN111909355A (zh) * | 2020-08-13 | 2020-11-10 | 荆晓东 | 一种耐疲劳低密度高回弹海绵及其制备方法 |
Non-Patent Citations (1)
Title |
---|
姚丽娜: "影响聚氨酯泡沫塑料回弹性的因素", 《上海塑料》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113858720A (zh) * | 2021-09-30 | 2021-12-31 | 深圳雷木新材料科技有限公司 | 碳纤维复合板材及其制备方法 |
CN113858720B (zh) * | 2021-09-30 | 2023-10-03 | 深圳雷木新材料科技有限公司 | 碳纤维复合板材及其制备方法 |
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