CN108864637B - 一种发泡硬质仿木材料及其制备方法和应用 - Google Patents
一种发泡硬质仿木材料及其制备方法和应用 Download PDFInfo
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Abstract
本发明具体公开一种发泡硬质仿木材料,包括如下质量百分比的原料:40%马来酸酐接枝氢化苯乙烯‑丁二烯嵌段共聚物,23%高苯乙烯橡胶,15%高密度聚乙烯,4%顺丁橡胶,10%丁腈橡胶,1.5%交联剂DCP、2.5%氧化锌、1.0%碳酸钙、2.0%硬脂酸及1.0%无机或有机色粉。本发明各组分相容性佳,改善防水防潮性能并降低材料密度与脆性,提高机械强度和延长使用寿命,具有热稳定性佳、抗蠕变能力佳、耐候性佳,耐环境应力开裂性佳,加工性能好,与螺钉等结合紧固,且具有较高的静曲强度和抗疲劳性,经久耐用且可降解。另本发明不含木质及植物纤维成分,可用作室外园林景观装饰用料。
Description
本申请为发明创造名称为《一种发泡硬质仿木材料及其制备方法和应用》的专利申请的分案申请,原申请的申请日为2016-09-19,申请号为 201610829734.X。
技术领域
本发明涉及高分子材料技术领域,特别是涉及一种发泡硬质仿木材料及其制备方法和应用。
背景技术
木材及木板材在现代社会中有着极其广泛的用途。但是由于森林资源有限,为保护自然环境,减少天然木材的使用,现在有各种性能的合成材料替代品,主要产品有:
1)木塑材料:使用木粉,秸秆粉等材料和塑料粒子混合制成。其特点为木粉等可使用废旧材料或下角料等,塑料可使用回收再生塑料。产品不存在木材固有的缺陷如节疤,龟裂,翘曲,腐朽等。缺点是木粉处理要求高,现有技术不能达到满意的效果,并且木粉、竹粉类木质纤维的热稳定性差,产品仍然易发霉,真菌生长,受潮膨胀变形等。同时产品表面效果粗糙,仿木效果不佳。二次回收利用率不高。
2)PVC、PE等塑料合成仿木材料,主要是利用了可回收废旧塑料,制粒后重新加工成仿木产品。缺点是产品较硬,脆性大,容易折断,用于户外产品使用年限较短,一般1-2年后性能明显下降,耐候性差。
发明内容
为克服现有技术存在的技术缺陷,本发明提供一种发泡硬质仿木材料及其制备方法和应用,改善防水防潮性能,降低材料密度与脆性,具有热稳定性佳、抗蠕变能力佳、耐候性佳,提高机械强度和延长使用寿命,而且材料不含木质成分,可降解,低碳环保。
本发明采用的技术解决方案是:
一种发泡硬质仿木材料,包括如下质量百分比的原料:40%~45%的马来酸酐接枝氢化苯乙烯-丁二烯嵌段共聚物,18%~23%的高苯乙烯橡胶,15%~ 20%的高密度聚乙烯,4%~6%的顺丁橡胶,8%~10%的丁腈橡胶,7.5%~ 10%的加工助剂。
优选地,所述加工助剂包括如下质量百分比的组分:1.5%~2.0%的交联剂DCP、2.5%~3.0%的氧化锌、0.5%~1.0%的碳酸钙、1.5%~2.0%的硬脂酸、0.5%~1.0%的无机或有机色粉、0%~1.0%的钛白粉及0%~1.5%的发泡剂AC,所述加工助剂的各组分百分比基数为该仿木材料的原料总重量。
本发明还提供一种发泡硬质仿木材料的制备方法,具体包括如下步骤:
1)备料:称取所述重量份数的马来酸酐接枝氢化苯乙烯-丁二烯嵌段共聚物、高苯乙烯橡胶、高密度聚乙烯、顺丁橡胶、丁腈橡胶及各加工助剂;
2)密炼:先将所述重量份数的马来酸酐接枝氢化苯乙烯-丁二烯嵌段共聚物、高苯乙烯橡胶、高密度聚乙烯、顺丁橡胶、丁腈橡胶、碳酸钙和硬脂酸投入密炼机,然后放下炼锤混炼,直至密炼温度为105℃时提升炼锤,然后投入所述重量份数的氧化锌、过氧化二异丙苯及其他加工助剂,放下炼锤,待密炼温度为120℃时提升炼锤,出料;
3)开炼:用送料车将物料送上开炼机,再次剪切混炼;
4)出片:根据模具大小长宽等量出片;
5)硫化:将步骤4)的片材装上1000T硫化机,硫化气压0.8MPa,硫化时间30min~40min;
6)硫化完成后关闭蒸汽,通入冷水冷却,冷却30分钟后开模出成品。
本发明还进一步提供发泡硬质仿木材料在室外地板、栅栏、扶手、花箱、垃圾箱、凉亭、走廊、木屋、阳台或楼的应用。
本发明的有益效果:本发明采用SEBS-g-MAH、HDPE、HSR、NR和NBR按特定比例共混,并添加特定比例的CaCO3和DCP等加工助剂,各组分相容性佳,大大改善防水防潮性能并降低材料密度与脆性,提高机械强度和延长使用寿命,制得的仿木材料产品具有热稳定性佳、抗蠕变能力佳、耐候性佳,耐环境应力开裂性佳,加工性能好,与螺钉等结合紧固,且具有较高的静曲强度和抗疲劳性,经久耐用且可降解。另本发明不含木质及植物纤维成分,并通过无机或有机色粉调配来达到仿木的效果,在增强其观感的同时,避免使用木粉以减少木材使用,利于环境保护,低碳环保,并降低了生产使用等过程的危险性。本发明的发泡硬质仿木材料可用作室内居家装潢板材,也可用作室外园林景观装饰用料,比如室外地板、栅栏、扶手、花箱、垃圾箱、凉亭、走廊、木屋、阳台或楼。
具体实施方式
实施例1:
本实施例提供一种发泡硬质仿木材料,包括如下质量百分比的原料:40%的马来酸酐接枝氢化苯乙烯-丁二烯嵌段共聚物,20%的高苯乙烯橡胶,18%的高密度聚乙烯,5%的顺丁橡胶,8%的丁腈橡胶,9%的加工助剂。其中,所述加工助剂包括如下质量百分比的组分:2.0%的交联剂DCP、3.0%的氧化锌、0.8 %的碳酸钙、1.5%的硬脂酸、0.8%的无机或有机色粉、0.4%的钛白粉及0.5 %的发泡剂AC,所述加工助剂的各组分百分比基数为该仿木材料的原料总重量。
所述无机或有机色粉为碳黑、酞青红、酞青黄、酞青蓝、永固红、永固黄、永固蓝等系列颜料。所述钛白粉为金红石型,金红石晶体结构致密,具有强耐候性和热稳定性,其遮盖力高,着色力强,用量省,对介质的稳定性可起到保护作用,使发泡材料的物理化学性能得到改善,增强制品的机械强度,延长使用寿命。
本发明还提供一种发泡硬质仿木材料的制备方法,具体包括如下步骤:
1)备料:称取所述重量份数的马来酸酐接枝氢化苯乙烯-丁二烯嵌段共聚物、高苯乙烯橡胶、高密度聚乙烯、顺丁橡胶、丁腈橡胶及各加工助剂;
2)密炼:先将所述重量份数的马来酸酐接枝氢化苯乙烯-丁二烯嵌段共聚物、高苯乙烯橡胶、高密度聚乙烯、顺丁橡胶、丁腈橡胶、碳酸钙和硬脂酸投入密炼机,然后放下炼锤混炼,直至密炼温度为105℃时提升炼锤,然后投入所述重量份数的氧化锌、过氧化二异丙苯及其他加工助剂,放下炼锤,待密炼温度为120℃时提升炼锤,出料;
3)开炼:用送料车将物料送上开炼机,再次剪切混炼;
4)出片:根据模具大小长宽等量出片;
5)硫化:将步骤4)的片材装上1000T硫化机,硫化气压0.8MPa,硫化时间30min~40min;
6)硫化完成后关闭蒸汽,通入冷水冷却,冷却30分钟后开模出成品。
实施例2:
本实施例提供一种发泡硬质仿木材料,包括如下质量百分比的原料:45%的马来酸酐接枝氢化苯乙烯-丁二烯嵌段共聚物,18%的高苯乙烯橡胶,15%的高密度聚乙烯,4%的顺丁橡胶,8%的丁腈橡胶,10%的加工助剂。其中,所述加工助剂包括如下质量百分比的组分:2.0%的交联剂DCP、2.5%的氧化锌、 1.0%的碳酸钙、2.0%的硬脂酸、1%的无机或有机色粉、0.5%的钛白粉及1.0 %的发泡剂AC,所述加工助剂的各组分百分比基数为该仿木材料的原料总重量。
所述无机或有机色粉为碳黑、酞青红、酞青黄、酞青蓝、永固红、永固黄、永固蓝等系列颜料。所述钛白粉为金红石型,金红石晶体结构致密,具有强耐候性和热稳定性,其遮盖力高,着色力强,用量省,对介质的稳定性可起到保护作用,使发泡材料的物理化学性能得到改善,增强制品的机械强度,延长使用寿命。
本发明还提供一种发泡硬质仿木材料的制备方法,具体包括如下步骤:
1)备料:称取所述重量份数的马来酸酐接枝氢化苯乙烯-丁二烯嵌段共聚物、高苯乙烯橡胶、高密度聚乙烯、顺丁橡胶、丁腈橡胶及各加工助剂;
2)密炼:先将所述重量份数的马来酸酐接枝氢化苯乙烯-丁二烯嵌段共聚物、高苯乙烯橡胶、高密度聚乙烯、顺丁橡胶、丁腈橡胶、碳酸钙和硬脂酸投入密炼机,然后放下炼锤混炼,直至密炼温度为105℃时提升炼锤,然后投入所述重量份数的氧化锌、过氧化二异丙苯及其他加工助剂,放下炼锤,待密炼温度为120℃时提升炼锤,出料;
3)开炼:用送料车将物料送上开炼机,再次剪切混炼;
4)出片:根据模具大小长宽等量出片;
5)硫化:将步骤4)的片材装上1000T硫化机,硫化气压0.8MPa,硫化时间30min~40min;
6)硫化完成后关闭蒸汽,通入冷水冷却,冷却30分钟后开模出成品。
实施例3:
本实施例提供一种发泡硬质仿木材料,包括如下质量百分比的原料:41%的马来酸酐接枝氢化苯乙烯-丁二烯嵌段共聚物,21%的高苯乙烯橡胶,16.5%的高密度聚乙烯,6%的顺丁橡胶,8%的丁腈橡胶,7.5%的加工助剂。其中,所述加工助剂包括如下质量百分比的组分:1.5%的交联剂DCP、2.7%的氧化锌、 0.8%的碳酸钙、1.5%的硬脂酸、0.5%的无机或有机色粉及0.5%的发泡剂AC,所述加工助剂的各组分百分比基数为该仿木材料的原料总重量。
所述无机或有机色粉为碳黑、酞青红、酞青黄、酞青蓝、永固红、永固黄、永固蓝等系列颜料。
本发明还提供一种发泡硬质仿木材料的制备方法,具体包括如下步骤:
1)备料:称取所述重量份数的马来酸酐接枝氢化苯乙烯-丁二烯嵌段共聚物、高苯乙烯橡胶、高密度聚乙烯、顺丁橡胶、丁腈橡胶及各加工助剂;
2)密炼:先将所述重量份数的马来酸酐接枝氢化苯乙烯-丁二烯嵌段共聚物、高苯乙烯橡胶、高密度聚乙烯、顺丁橡胶、丁腈橡胶、碳酸钙和硬脂酸投入密炼机,然后放下炼锤混炼,直至密炼温度为105℃时提升炼锤,然后投入所述重量份数的氧化锌、过氧化二异丙苯及其他加工助剂,放下炼锤,待密炼温度为120℃时提升炼锤,出料;
3)开炼:用送料车将物料送上开炼机,再次剪切混炼;
4)出片:根据模具大小长宽等量出片;
5)硫化:将步骤4)的片材装上1000T硫化机,硫化气压0.8MPa,硫化时间30min~40min;
6)硫化完成后关闭蒸汽,通入冷水冷却,冷却30分钟后开模出成品。
实施例4:
本实施例提供一种发泡硬质仿木材料,包括如下质量百分比的原料:40%的马来酸酐接枝氢化苯乙烯-丁二烯嵌段共聚物,23%的高苯乙烯橡胶,15%的高密度聚乙烯,4%的顺丁橡胶,10%的丁腈橡胶,8%的加工助剂。其中,所述加工助剂包括如下质量百分比的组分:1.5%的交联剂DCP、2.5%的氧化锌、 1.0%的碳酸钙、2.0%的硬脂酸及1.0%的无机或有机色粉,所述加工助剂的各组分百分比基数为该仿木材料的原料总重量。
所述无机或有机色粉为碳黑、酞青红、酞青黄、酞青蓝、永固红、永固黄、永固蓝等系列颜料。
本发明还提供一种发泡硬质仿木材料的制备方法,具体包括如下步骤:
1)备料:称取所述重量份数的马来酸酐接枝氢化苯乙烯-丁二烯嵌段共聚物、高苯乙烯橡胶、高密度聚乙烯、顺丁橡胶、丁腈橡胶及各加工助剂;
2)密炼:先将所述重量份数的马来酸酐接枝氢化苯乙烯-丁二烯嵌段共聚物、高苯乙烯橡胶、高密度聚乙烯、顺丁橡胶、丁腈橡胶、碳酸钙和硬脂酸投入密炼机,然后放下炼锤混炼,直至密炼温度为105℃时提升炼锤,然后投入所述重量份数的氧化锌、过氧化二异丙苯及其他加工助剂,放下炼锤,待密炼温度为120℃时提升炼锤,出料;
3)开炼:用送料车将物料送上开炼机,再次剪切混炼;
4)出片:根据模具大小长宽等量出片;
5)硫化:将步骤4)的片材装上1000T硫化机,硫化气压0.8MPa,硫化时间30min~40min;
6)硫化完成后关闭蒸汽,通入冷水冷却,冷却30分钟后开模出成品。
实施例5:
本实施例提供一种发泡硬质仿木材料,包括如下质量百分比的原料:40%的马来酸酐接枝氢化苯乙烯-丁二烯嵌段共聚物,18%的高苯乙烯橡胶,20%的高密度聚乙烯,5%的顺丁橡胶,8%的丁腈橡胶,9%的加工助剂。其中,所述加工助剂包括如下质量百分比的组分:1.5%的交联剂DCP、3.0%的氧化锌、0.5 %的碳酸钙、2.0%的硬脂酸、0.8%的无机或有机色粉、0.7%的钛白粉及0.5 %的发泡剂AC,所述加工助剂的各组分百分比基数为该仿木材料的原料总重量。
所述无机或有机色粉为碳黑、酞青红、酞青黄、酞青蓝、永固红、永固黄、永固蓝等系列颜料。所述钛白粉为金红石型,金红石晶体结构致密,具有强耐候性和热稳定性,其遮盖力高,着色力强,用量省,对介质的稳定性可起到保护作用,使发泡材料的物理化学性能得到改善,增强制品的机械强度,延长使用寿命。
本发明还提供一种发泡硬质仿木材料的制备方法,具体包括如下步骤:
1)备料:称取所述重量份数的马来酸酐接枝氢化苯乙烯-丁二烯嵌段共聚物、高苯乙烯橡胶、高密度聚乙烯、顺丁橡胶、丁腈橡胶及各加工助剂;
2)密炼:先将所述重量份数的马来酸酐接枝氢化苯乙烯-丁二烯嵌段共聚物、高苯乙烯橡胶、高密度聚乙烯、顺丁橡胶、丁腈橡胶、碳酸钙和硬脂酸投入密炼机,然后放下炼锤混炼,直至密炼温度为105℃时提升炼锤,然后投入所述重量份数的氧化锌、过氧化二异丙苯及其他加工助剂,放下炼锤,待密炼温度为120℃时提升炼锤,出料;
3)开炼:用送料车将物料送上开炼机,再次剪切混炼;
4)出片:根据模具大小长宽等量出片;
5)硫化:将步骤4)的片材装上1000T硫化机,硫化气压0.8MPa,硫化时间30min~40min;
6)硫化完成后关闭蒸汽,通入冷水冷却,冷却30分钟后开模出成品。
上述实施例1-5的配方表及制得产品的物性指标表如下:
本发明的发泡硬质仿木材料可用作室内居家装潢板材,也可用作室外园林景观装饰用料,比如室外地板、栅栏、扶手、花箱、垃圾箱、凉亭、走廊、木屋、阳台或楼。
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 (4)
1.一种发泡硬质仿木材料,其特征在于,包括如下质量百分比的原料:40%的马来酸酐接枝氢化苯乙烯-丁二烯嵌段共聚物,23%的高苯乙烯橡胶,15%的高密度聚乙烯,4%的顺丁橡胶,10%的丁腈橡胶,1.5%的交联剂DCP、2.5%的氧化锌、1.0%的碳酸钙、2.0%的硬脂酸及1.0%的无机或有机色粉。
2.根据权利要求1所述的发泡硬质仿木材料,其特征在于,所述无机或有机色粉为碳黑、酞青红、酞青黄、酞青蓝、永固红、永固黄、永固蓝系列颜料。
3.一种如权利要求1所述的发泡硬质仿木材料的制备方法,其特征在于,具体包括如下步骤:
1)备料:称取所述重量份数的马来酸酐接枝氢化苯乙烯-丁二烯嵌段共聚物、高苯乙烯橡胶、高密度聚乙烯、顺丁橡胶、丁腈橡胶、交联剂DCP、氧化锌、碳酸钙、硬脂酸及无机或有机色粉;
2)密炼:先将所述重量份数的马来酸酐接枝氢化苯乙烯-丁二烯嵌段共聚物、高苯乙烯橡胶、高密度聚乙烯、顺丁橡胶、丁腈橡胶、碳酸钙和硬脂酸投入密炼机,然后放下炼锤混炼,直至密炼温度为105℃时提升炼锤,然后投入所述重量份数的氧化锌、交联剂DCP及无机或有机色粉,放下炼锤,待密炼温度为120℃时提升炼锤,出料;
3)开炼:用送料车将物料送上开炼机,再次剪切混炼;
4)出片:根据模具大小长宽等量出片;
5)硫化:将步骤4)的片材装上1000T硫化机,硫化气压0.8MPa,硫化时间30min~40min;
6)硫化完成后关闭蒸汽,通入冷水冷却,冷却30分钟后开模出成品。
4.如权利要求1或2所述的发泡硬质仿木材料在室外地板、栅栏、扶手、花箱、垃圾箱、凉亭、走廊、木屋、阳台或楼的应用。
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