CN111546459A - 一种墙面装饰板制备方法 - Google Patents
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Abstract
本发明公开了一种墙面装饰板制备方法,包括以下步骤:1)木质基料制备;2)支撑基体制备;3)功能性材料制备;4)复合;5)表面处理。本发明采用木质素作为粘合剂,避免使用化学合成的粘合剂,从而大大减少使用时有害物质的析出,同时,木质基料制备过程中,纤维素发生部分分解,使得墙面装饰板具有很好的抗氧化、抗虫蛀性能;生物质液能够起到抑菌的作用;通过添加TiO2粉末,使得成品墙面装饰板具有分解甲醛的功能。
Description
技术领域
本发明属于墙面装饰板生产技术领域,具体涉及一种墙面装饰板制备方法。
背景技术
随着社会的发展和人民生活水平的提高,人们对房屋室内装修和家具的美观性和功能性的要求越来越高,其中,室内墙板和地板的美观对于整个室内装修效果至关重要,而室内装修过程中用到的表面装饰材料的装饰特性则不仅决定了家具的美观程度,对于整个放置家具的室内环境的装饰效果也有重要的影响。
目前,市场上有各种样式的适用于室内装修和家具制作用的板材。其中,原始或者经过精加工的实木板材不仅价格昂贵而且由于其采制需要以破坏森林和环境为代价,因此越来越少得被采用,甚至有为国家禁止的可能;因此组合式板材被广泛采用。组合式板材大多以锯末经压制成型生产,压制成型过程中会使用大量的化学合成粘合剂,导致成品板材中粘合剂含量高,影响后期的使用。
发明内容
本发明的目的在于克服上述现有技术的不足,提供一种墙面装饰板制备方法。
本发明是通过以下技术方案实现的:
一种墙面装饰板制备方法,其特征在于包括以下步骤:
1)木质基料制备
锯末烘干至含水率10-15%,锯末、乙醇、NaOH按质量比例为1:1.1-1.8:0.1-0.3混合置入反应釜中,在2.0-3.5MPa的压力下搅拌加热至180-200℃,反应3-6h,锯末中部分木质素溶解在溶液中,静置冷却至室温后,加入HCl中和掉全部的NaOH,80-90℃的温度条件下烘干1-2h,绝氧条件下加热至180-230℃,保温100-120h,使锯末中的纤维素发生部分分解,形成红褐色的木质基料;
2)支撑基体制备
取部分木质基料,木质基料与水按100;10-15的比例混合搅拌,螺杆挤压机挤压均化,均化时通过伴热方式进行加热,加热温度70-80℃,均化完成后加入到成型机中成型,成型的形状为中部均布通孔的矩形板状,完成成型后在40-50℃的温度条件下烘干12-15h,得到支撑基体;
3)功能性材料制备
果壳类原料粉碎过筛80-100目筛,粉碎后的粉状果壳类原料和磷酸按100:10-15的比例混合搅拌,静置12-16h,再将粉状果壳类原料与粒径5-10mm锯末按1:2-4的比例混合入回转转炉活化,控制回转转炉内温度为500-580℃,活化时间15-30min,活化完成后的混合物料再经冷却、水洗、烘干,得到功能性材料;
4)复合
功能性材料、木质基料、TiO2粉末按100:30-60:0.1-0.3的比例混合搅拌,搅拌完成后入螺杆挤压机挤压均化,均化时通过伴热方式进行加热,加热温度70-80℃,均化完成后,通过模具将均化后的物料挤压复合到支撑基体上均布的通孔中,经干燥后得到装饰板半成品;
5)表面处理
装饰板半成品表面抛光,抛光后漆水性清漆,漆膜厚度8-10μm,上漆完成后烘干。
优选地,所述步骤3)中,活化完成后的混合物料冷却、水洗的过程是:首先通入蒸汽快在1-3min的时间内冷却至120-150℃,再通过冷却水间接冷却至50-70℃,加入活化完成后的混合物料1.1-1.5倍的蒸馏水清洗一次。
优选地,所述步骤3)中,果壳类原料为灰分≤1%的椰壳、杏仁壳或棕榈壳。
与现有技术相比,本发明的有益效果:
1)木质基料中含有木质素,在后续的加工中采用木质素作为粘合剂,避免使用化学合成的粘合剂,从而大大减少使用时有害物质的析出,同时,木质基料制备过程中,纤维素发生部分分解,使得墙面装饰板具有很好的抗氧化、抗虫蛀性能。
2)功能性材料制备过程中,在活化时,果壳类原料活化生成活性炭,锯末在500-580℃温度条件下发生热解,锯末热解,使得一部分挥发分析出,挥发分转化为气态的小分子以及生物质液,气态物质全部排出,生物质液则少量残留在炭化料和活性炭中,经水洗稀释后,仍然有少量残留,生物质液能够起到抑菌的作用。
3)TiO2粉末具有催化裂解的功能,果壳类原料活化生成活性炭具有很强的吸附甲醛的功能,使得成品墙面装饰板具有分解甲醛的功能。
具体实施方式
一种墙面装饰板制备方法,其特征在于包括以下步骤:
1)木质基料制备
锯末烘干至含水率10-15%,锯末、乙醇、NaOH按质量比例为1:1.1-1.8:0.1-0.3混合置入反应釜中,在2.0-3.5MPa的压力下搅拌加热至180-200℃,反应3-6h,锯末中部分木质素溶解在溶液中,静置冷却至室温后,加入HCl中和掉全部的NaOH,80-90℃的温度条件下烘干1-2h,绝氧条件下加热至180-230℃,保温100-120h,使锯末中的纤维素发生部分分解,形成红褐色的木质基料;
2)支撑基体制备
取部分木质基料,木质基料与水按100;10-15的比例混合搅拌,螺杆挤压机挤压均化,均化时通过伴热方式进行加热,加热温度70-80℃,均化完成后加入到成型机中成型,成型的形状为中部均布通孔的矩形板状,完成成型后在40-50℃的温度条件下烘干12-15h,得到支撑基体;
3)功能性材料制备
果壳类原料粉碎过筛80-100目筛,粉碎后的粉状果壳类原料和磷酸按100:10-15的比例混合搅拌,静置12-16h,再将粉状果壳类原料与粒径5-10mm锯末按1:2-4的比例混合入回转转炉活化,控制回转转炉内温度为500-580℃,活化时间15-30min,活化完成后的混合物料再经冷却、水洗、烘干,得到功能性材料;
4)复合
功能性材料、木质基料、TiO2粉末按100:30-60:0.1-0.3的比例混合搅拌,搅拌完成后入螺杆挤压机挤压均化,均化时通过伴热方式进行加热,加热温度70-80℃,均化完成后,通过模具将均化后的物料挤压复合到支撑基体上均布的通孔中,经干燥后得到装饰板半成品;
5)表面处理
装饰板半成品表面抛光,抛光后漆水性清漆,漆膜厚度8-10μm,上漆完成后烘干。
所述步骤3)中,活化完成后的混合物料冷却、水洗的过程是:首先通入蒸汽快在1-3min的时间内冷却至120-150℃,再通过冷却水间接冷却至50-70℃,加入活化完成后的混合物料1.1-1.5倍的蒸馏水清洗一次。
所述步骤3)中,果壳类原料为灰分≤1%的椰壳、杏仁壳或棕榈壳。
本发明技术方案仅对发明进行了示例性描述,显然本发明具体实现并不受上述方式的限制,只要采用了本发明的方法构思和技术方案进行的各种非实质性改进,或未经改进将发明的构思和技术方案直接应用于其它场合的,均在本发明的保护范围之内。
Claims (3)
1.一种墙面装饰板制备方法,其特征在于包括以下步骤:
1)木质基料制备
锯末烘干至含水率10-15%,锯末、乙醇、NaOH按质量比例为1:1.1-1.8:0.1-0.3混合置入反应釜中,在2.0-3.5MPa的压力下搅拌加热至180-200℃,反应3-6h,锯末中部分木质素溶解在溶液中,静置冷却至室温后,加入HCl中和掉全部的NaOH,80-90℃的温度条件下烘干1-2h,绝氧条件下加热至180-230℃,保温100-120h,使锯末中的纤维素发生部分分解,形成红褐色的木质基料;
2)支撑基体制备
取部分木质基料,木质基料与水按100;10-15的比例混合搅拌,螺杆挤压机挤压均化,均化时通过伴热方式进行加热,加热温度70-80℃,均化完成后加入到成型机中成型,成型的形状为中部均布通孔的矩形板状,完成成型后在40-50℃的温度条件下烘干12-15h,得到支撑基体;
3)功能性材料制备
果壳类原料粉碎过筛80-100目筛,粉碎后的粉状果壳类原料和磷酸按100:10-15的比例混合搅拌,静置12-16h,再将粉状果壳类原料与粒径5-10mm锯末按1:2-4的比例混合入回转转炉活化,控制回转转炉内温度为500-580℃,活化时间15-30min,活化完成后的混合物料再经冷却、水洗、烘干,得到功能性材料;
4)复合
功能性材料、木质基料、TiO2粉末按100:30-60:0.1-0.3的比例混合搅拌,搅拌完成后入螺杆挤压机挤压均化,均化时通过伴热方式进行加热,加热温度70-80℃,均化完成后,通过模具将均化后的物料挤压复合到支撑基体上均布的通孔中,经干燥后得到装饰板半成品;
5)表面处理
装饰板半成品表面抛光,抛光后漆水性清漆,漆膜厚度8-10μm,上漆完成后烘干。
2.如权利要求1所述一种墙面装饰板制备方法,其特征在于:所述步骤3)中,活化完成后的混合物料冷却、水洗的过程是:首先通入蒸汽快在1-3min的时间内冷却至120-150℃,再通过冷却水间接冷却至50-70℃,加入活化完成后的混合物料1.1-1.5倍的蒸馏水清洗一次。
3.如权利要求1所述一种墙面装饰板制备方法,其特征在于:所述步骤3)中,果壳类原料为灰分≤1%的椰壳、杏仁壳或棕榈壳。
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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