CN105924937A - 一种环保型抗撕裂增韧改性硅pu阻燃塑胶材料 - Google Patents
一种环保型抗撕裂增韧改性硅pu阻燃塑胶材料 Download PDFInfo
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Abstract
本发明公开了一种环保型抗撕裂增韧改性硅PU阻燃塑胶面层,自上向下依次包括:水性涂料层、抗撕裂增韧改性层、吸震硅PU弹性层和封闭底漆层;所述水性涂料层喷涂或刷涂在所述抗撕裂增韧改性层上。本发明一种环保型抗撕裂增韧改性硅PU阻燃塑胶面层,通过在吸震硅PU弹性层上设计使用抗撕裂增韧改性层,有效改善了塑胶面层的整体抗撕裂性能和韧性,有效提高了塑胶面层的机械性能;通过水性涂料层的配方设计和使用,一方面提高了其对塑胶的浸润能力,另一方面,无有毒有机溶剂的释放,确保塑胶面层的安全环保性能,使用安全可靠。
Description
技术领域
本发明涉及塑胶领域,特别是涉及一种环保型抗撕裂增韧改性硅PU阻燃塑胶材料。
背景技术
塑胶是以天然或合成树脂为主要成分,加入各种添加剂,在一定温度和压力下加工成一定形状,并在室温下保持形状不变的材料。塑胶具有优良的电绝缘性,良好的热导性以及化学稳定性等优点,广泛应用于日常生活中的各个领域,随着塑胶的应用攀升,对塑胶材料的性能要求越来越高。
塑胶地板是当今世界上非常流行的一种新型轻体地面装饰材料,也称为“轻体地材”,现已在中国普遍应用,特别在球场或公共场所。聚氨酯(PU)全称为聚氨基甲酸酯,是主链上含有重复氨基甲酸酯基团的大分子化合物的统称。聚氨酯具有制备工艺简单,较好的耐磨性和耐油等优异性能,是塑胶底板的主要材料。但聚氨酯塑胶存在容易撕裂、易燃烧,耐老化性、弹性等性能,影响塑胶底板的寿命和使用性能。且PU塑胶面在施工过程中常用到二甲苯稀释剂,由于二甲苯稀释剂为有毒溶剂,进而造成敷设环境的破坏,并且传统的PU 面为了保证面漆层在弹性层表面不起泡,弹性层表面需要经过较长时间的打磨,为了进一步保证面漆的附着力,导致施工的周期较长,进而延长了工期。
发明内容
本发明主要解决的技术问题是提供一种环保型抗撕裂增韧改性硅PU阻燃塑胶材料,能够解决现有硅PU塑胶底板存在的上述问题。
为解决上述技术问题,本发明采用的一个技术方案是:提供一种环保型抗撕裂增韧改性硅PU阻燃塑胶面层,自上向下依次包括:水性涂料层、抗撕裂增韧改性层、吸震硅PU弹性层和封闭底漆层;所述水性涂料层喷涂或刷涂在所述抗撕裂增韧改性层上。
在本发明一个较佳实施例中,所述抗撕裂增韧改性层的厚度是所述吸震硅PU弹性层厚度的1/2~1/3。
在本发明一个较佳实施例中,所述抗撕裂增韧改性层的配方组成包括如下重量份组分:硅PU 50~60份、EVA 50~60份、马来酸酐接枝聚烯烃弹性体 20~30份、增强纤维5~10份、硅烷偶联剂3~8份、填料10~20份、阻燃剂2~5份、抗氧剂1~3份。
在本发明一个较佳实施例中,所述增强纤维为无碱短切玻璃纤维;所述填料为纤维状硅灰石和有机蒙脱土的混合物;所述阻燃剂为有机硅阻燃剂和膨胀型阻燃剂以1~2:1的质量比混合的混合物
在本发明一个较佳实施例中,所述纤维状硅灰石和有机蒙脱土的混合质量比为2~3:1;所述有机硅阻燃剂为聚硅硼氧烷;所述膨胀型阻燃剂为硼酸、季戊四醇和尿素以2~3:6~8:1~3的质量比混合的混合物。
在本发明一个较佳实施例中,所述水性涂料层的配方组成包括如下重量百分数组分:水性聚氨酯丙烯酸酯 30~40%、丙烯酸异水片酯 15~20%、水性饱和聚酯树脂10~15%、活性稀释剂20~25%、光引发剂3~5%、流平剂0.5~1.5%、余量为去离子水,总量为100%。
在本发明一个较佳实施例中,所述活性稀释剂为二缩三丙二醇二丙烯酸酯、三羟甲基丙烷三丙烯酸酯和乙二醇二丙烯酸酯以2~3:1~2:1的质量比混合的混合物。
本发明的有益效果是:本发明一种环保型抗撕裂增韧改性硅PU阻燃塑胶面层,通过在吸震硅PU弹性层上设计使用抗撕裂增韧改性层,有效改善了塑胶面层的整体抗撕裂性能和韧性,有效提高了塑胶面层的机械性能;通过水性涂料层的配方设计和使用,一方面提高了其对塑胶的浸润能力,另一方面,无有毒有机溶剂的释放,确保塑胶面层的安全环保性能,使用安全可靠。
具体实施方式
下面对本发明的较佳实施例进行详细阐述,以使本发明的优点和特征能更易于被本领域技术人员理解,从而对本发明的保护范围做出更为清楚明确的界定。
本发明实施例包括:
实施例1
一种环保型抗撕裂增韧改性硅PU阻燃塑胶面层,自上向下依次包括:水性涂料层、抗撕裂增韧改性层、吸震硅PU弹性层和封闭底漆层;所述水性涂料层喷涂或刷涂在所述抗撕裂增韧改性层上。
所述水性涂料层,包括如下重量百分数组分:水性聚氨酯丙烯酸酯 30%、丙烯酸异水片酯 15%、水性饱和聚酯树脂20%、活性稀释剂20%、光引发剂3%、流平剂1.5%、余量为去离子水,总量为100%。其中,所述活性稀释剂为二缩三丙二醇二丙烯酸酯、三羟甲基丙烷三丙烯酸酯和乙二醇二丙烯酸酯以2:1:1的质量比混合的混合物;所述光引发剂为2- 羟基-2- 甲基- 对羟乙基醚基苯基丙酮-1;所述流平剂为和BYK349。
所述抗撕裂增韧改性层的厚度是所述吸震硅PU弹性层厚度的1/2。
所述抗撕裂增韧改性层的配方组成包括如下重量份组分:硅PU 50份、EVA 50份、马来酸酐接枝聚烯烃弹性体 20份、增强纤维5份、硅烷偶联剂3份、填料10份、阻燃剂2份、抗氧剂1份。其中,增强纤维为无碱短切玻璃纤维;所述填料为纤维状硅灰石和有机蒙脱土的混合物;所述阻燃剂为有机硅阻燃剂和膨胀型阻燃剂以1:1的质量比混合的混合物;所述纤维状硅灰石和有机蒙脱土的混合质量比为2:1;所述有机硅阻燃剂为聚硅硼氧烷;所述膨胀型阻燃剂为硼酸、季戊四醇和尿素以2:6:1的质量比混合的混合物。
实施例2
一种环保型抗撕裂增韧改性硅PU阻燃塑胶面层,自上向下依次包括:水性涂料层、抗撕裂增韧改性层、吸震硅PU弹性层和封闭底漆层;所述水性涂料层喷涂或刷涂在所述抗撕裂增韧改性层上。
所述水性涂料层包括如下重量百分数组分:水性聚氨酯丙烯酸酯 40%、丙烯酸异水片酯 15%、水性饱和聚酯树脂10%、活性稀释剂20%、光引发剂5%、流平剂1.5%、余量为去离子水,总量为100%。其中,所述活性稀释剂为二缩三丙二醇二丙烯酸酯、三羟甲基丙烷三丙烯酸酯和乙二醇二丙烯酸酯以3:2:1的质量比混合的混合物;所述光引发剂为2- 羟基-2- 甲基- 对羟乙基醚基苯基丙酮-1;所述流平剂为和BYK349。
所述抗撕裂增韧改性层的厚度是所述吸震硅PU弹性层厚度的1/3。
所述抗撕裂增韧改性层的配方组成包括如下重量份组分:硅PU 60份、EVA 60份、马来酸酐接枝聚烯烃弹性体30份、增强纤维10份、硅烷偶联剂8份、填料20份、阻燃剂5份、抗氧剂3份。其中,增强纤维为无碱短切玻璃纤维;所述填料为纤维状硅灰石和有机蒙脱土的混合物;所述阻燃剂为有机硅阻燃剂和膨胀型阻燃剂以2:1的质量比混合的混合物;所述纤维状硅灰石和有机蒙脱土的混合质量比为3:1;所述有机硅阻燃剂为聚硅硼氧烷;所述膨胀型阻燃剂为硼酸、季戊四醇和尿素以3:8:3的质量比混合的混合物。
以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书内容所作的等效结构或等效流程变换,或直接或间接运用在其他相关的技术领域,均同理包括在本发明的专利保护范围内。
Claims (7)
1.一种环保型抗撕裂增韧改性硅PU阻燃塑胶面层,其特征在于,自上向下依次包括:水性涂料层、抗撕裂增韧改性层、吸震硅PU弹性层和封闭底漆层;所述水性涂料层喷涂或刷涂在所述抗撕裂增韧改性层上。
2.根据权利要求1所述的环保型抗撕裂增韧改性硅PU阻燃塑胶面层,其特征在于,所述抗撕裂增韧改性层的厚度是所述吸震硅PU弹性层厚度的1/2~1/3。
3.根据权利要求1或2所述的环保型抗撕裂增韧改性硅PU阻燃塑胶面层,其特征在于,所述抗撕裂增韧改性层的配方组成包括如下重量份组分:硅PU 50~60份、EVA 50~60份、马来酸酐接枝聚烯烃弹性体 20~30份、增强纤维5~10份、硅烷偶联剂3~8份、填料10~20份、阻燃剂2~5份、抗氧剂1~3份。
4.根据权利要求3所述的环保型抗撕裂增韧改性硅PU阻燃塑胶面层,其特征在于,所述增强纤维为无碱短切玻璃纤维;所述填料为纤维状硅灰石和有机蒙脱土的混合物;所述阻燃剂为有机硅阻燃剂和膨胀型阻燃剂以1~2:1的质量比混合的混合物。
5.根据权利要求4所述的环保型抗撕裂增韧改性硅PU阻燃塑胶面层,其特征在于,所述纤维状硅灰石和有机蒙脱土的混合质量比为2~3:1;所述有机硅阻燃剂为聚硅硼氧烷;所述膨胀型阻燃剂为硼酸、季戊四醇和尿素以2~3:6~8:1~3的质量比混合的混合物。
6.根据权利要求1或2所述的环保型抗撕裂增韧改性硅PU阻燃塑胶面层,其特征在于,所述水性涂料层的配方组成包括如下重量百分数组分:水性聚氨酯丙烯酸酯 30~40%、丙烯酸异水片酯 15~20%、水性饱和聚酯树脂10~15%、活性稀释剂20~25%、光引发剂3~5%、流平剂0.5~1.5%、余量为去离子水,总量为100%。
7.根据权利要求6所述的环保型抗撕裂增韧改性硅PU阻燃塑胶面层,其特征在于,所述活性稀释剂为二缩三丙二醇二丙烯酸酯、三羟甲基丙烷三丙烯酸酯和乙二醇二丙烯酸酯以2~3:1~2:1的质量比混合的混合物。
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