CN110341284B - 一种除醛板表面层结构及其处理工艺 - Google Patents
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Abstract
本发明公开了一种除醛板表面层结构及其处理工艺,属于家具板材及制备工艺领域,一种除醛板表面层结构及其处理工艺,包括表面带有负离子催化剂的基材层,基材层的表面有粗磨层,首先粗磨后的基材层表面面积大,而且漏出大量的孔洞,在粗磨后对基材层进行表面碳化,然后放置在通风处至室温,粗磨层的上端设有碳化层,碳化层的表面设有压平层,基材层的下端铺设有平衡层,基材层的上端铺设有装饰层,装饰层上设有多条凹陷条,凹陷条与装饰层的纹路相对应,装饰层的下表面设有磨砂层,凹陷条包括凹陷中空腔和填充颗粒,可以实现通过特殊的表面层结构及处理工艺达到吸附内部散发的甲醛作用,而且可以同时释放负离子吸附空气中的甲醛。
Description
技术领域
本发明涉及家具板材及制备工艺领域,更具体地说,涉及一种除醛板表面层结构及其处理工艺。
背景技术
甲醛,无色有刺激性气体,化学式HCHO或CH2O,2017年10月27日,世界卫生组织国际癌症研究机构公布的致癌物清单中,将甲醛放在一类致癌物列表中。
甲醛最容易出现在装修材料中,这一点是毋庸置疑的,含有甲醛的装修材料:用作室内装饰的胶合板、细木工板、木地板、刨花板、人造板制作成的家具、墙纸、油漆、乳胶漆、镀料、泡沫塑料等,生产人工板使用的胶粘剂的主要成分就是甲醛。甲醛的释放时间是3年——15年。
身处装修完的甲醛超标的环境中,轻者身体会出现眼睛刺痛流泪、咽痛、胸闷、咳嗦等,严重者还会出现甲醛中毒现象,如果搬入装修完的新家,身体出现持续咳嗦、全家容易感冒,呼吸困难等情况,那就说明甲醛超标了。
板材类板材是装修中必不可少的一个材料,最常见的几种板材就是密度板、生态板和实木板。这些板材在制作过程中是会用到很多的胶水的,然而胶水中必不可少的成分就是甲醛,所以这些板材中的甲醛含量是很高的。在这三种板材之中,密度板的甲醛含量最高,因为密度板是由很多的木屑通过胶水制作而成的。实木板的甲醛含量最低,因为实木板在制作过程中使用到的胶水会少一些。
负离子板材可以释放负离子,负离子催生素中的主要成分负离子素是一种晶体结构,属三方晶系,空间点群为R3m系,是一种典型的极性结晶,这种晶体R3m点群中无对称中心,其C轴方向的正负电荷无法重合,无对称中心,故晶体结晶两端形成正极与负极,且在无外加电场情况下,两端正负极也不消亡,故又称“永久电极”,即负离子素晶体是一种永久带电体。负离子板除了能释放负离子,还具有吸附甲醛等有害的装修污染物,起到净化室内空气和降低甲醛释放量作用。附在地板表面的负离子催生剂还能把进入其电场中的甲醛分解,还原成CO2和H2O使之变成无害的气体。
现有技术中目前还没完全能够根除甲醛的板材存在,使消费者对于板材的选择都心存疑惑,特别是复合板材的选择。
发明内容
1.要解决的技术问题
针对现有技术中存在的问题,本发明的目的在于提供一种除醛板表面层结构及其处理工艺,它可以实现通过特殊的表面层结构及处理工艺达到吸附内部散发的甲醛作用,而且可以同时释放负离子吸附空气中的甲醛。
2.技术方案
为解决上述问题,本发明采用如下的技术方案。
一种除醛板表面层结构,包括基材层,所述基材层的下端铺设有平衡层,所述基材层的上端铺设有装饰层,所述装饰层上设有多条凹陷条,所述装饰层的上端铺设有耐磨层。
进一步的,所述基材层的表面设有粗磨层,所述粗磨层的上端设有碳化层。
进一步的,所述碳化层的表面设有压平层。
进一步的,所述凹陷条包括凹陷中空腔和填充颗粒,所述填充颗粒包括吸水树脂颗粒和活性炭颗粒。
进一步的,所述吸水树脂颗粒和活性炭颗粒吸水膨胀后的体积不超过凹陷中空腔的容积。
进一步的,所述凹陷中空腔的内表面镀有纳米防水膜。
进一步的,所述粗磨层的厚度为0.1-1mm。
进一步的,所述装饰层的下表面设有磨砂层。
进一步的,所述凹陷条与装饰层的纹路相对应端。
上述除醛板表面层结构的处理工艺,包括以下步骤:
(1)首先对基材层的表面进行粗磨;
(2)粗磨后的基材层进行表面碳化;
(3)然后对表面碳化后的基材层进行压平;
(4)对压平后的基材层进行烘烤10-60min;
(5)烘烤后的基材放置至室温后检测含水量,保持其含水量在10%-14%之间;
(6)然后再压合带有凹陷条的装饰层、平衡层和耐磨层;
(7)对压合好的除醛板进行纳米表面镀膜。
3.有益效果
相比于现有技术,本发明的优点在于:
本方案可以实现通过特殊的表面层结构及处理工艺达到吸附内部散发的甲醛作用,而且可以减少甲醛的含量。
附图说明
图1为本发明的结构示意图;
图2为本发明基材层的结构示意图;
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述;显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例,基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
在本发明的描述中,需要说明的是,术语“上”、“下”、“内”、“外”、“顶/底端”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明的限制。此外,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性。
在本发明的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“设置有”、“套设/接”、“连接”等,应做广义理解,例如“连接”,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本发明中的具体含义。
实施例1:
请参阅图1-2,一种除醛板表面层结构,包括表面带有负离子催化剂的基材层,基材层的表面设有0.1-1mm的粗磨层,首先粗磨后的基材层表面面积大,而且漏出大量的孔洞,使基材层内部空气流通加速,在粗磨后对基材层进行表面碳化,然后放置在通风处至室温,所述粗磨层的上端设有碳化层,碳化层的表面设有压平层,所述基材层的下端铺设有平衡层,所述基材层的上端铺设有装饰层,所述装饰层上设有多条凹陷条,凹陷条与装饰层的纹路相对应,装饰层的下表面设有磨砂层,凹陷条包括凹陷中空腔和填充颗粒,所述填充颗粒包括吸水树脂颗粒和活性炭颗粒,吸水树脂颗粒和活性炭颗粒吸水膨胀后的体积不超过凹陷中空腔的容积,凹陷中空腔的内表面镀有纳米防水膜,所述装饰层的上端铺设有耐磨层。
处理工艺为:
(1)首先对基材层表面进行粗磨,粗磨后的基材层通过压平装置对表面进行压平,先进行压平再进行碳化可以增大基材层的表面硬度和碳化密度,更好的避免基材层厚度改变,降低加工难度和碳化难度;
(2)对压平后的基材层进行表面碳化,高密度的碳化层附着在基材层表面;
(3)然后对表面碳化后的基材层进行压平,再次压平可以减缓碳化层脱落,同时进一步增大碳化层密度,而且压平后的基材层表面孔洞被碳化层堵塞,减缓内部甲醛的释放;
(4)对压平后的基材层进行烘烤10-60min,烘烤过程中一方面可以加快甲醛的释放,另一方面可以蒸发掉在碳化过程中集聚的水分,基材不会因为碳化过程而形成含水份不均匀而易开裂;
(5)烘烤后的基材在室外放置至室温后检测含水量,保持其含水量在10%-14%之间,恢复含水量,使处理后的基材不易开裂;
(6)然后再压合带有凹陷条的装饰层、平衡层和耐磨层;
(7)对压合好的除醛板进行纳米表面镀膜,纳米表面镀膜一方面可以防止水分进入,另一方面可以减缓甲醛释放。
使用复合板材的时候,通过以上操作可以通过碳化层减少内部甲醛释放,同时碳化层具有抗收缩能力,不会因为基材层、装饰层的热胀冷缩系数不同而造成细微开裂和空鼓,进而加剧甲醛的释放,部分凹陷条在装饰层与基材层和耐磨层之间发生微小变形空鼓后破裂,多余气体填充到凹陷中空腔中,减少气体含量,保持大气压。同时填充颗粒还能吸收气体中水分和有毒物质,延缓除醛板的开裂,附在基材层表面的负离子催生剂还能把进入其电场中的甲醛分解,还原成CO2和H2O使之变成无害的气体。
以上所述,仅为本发明较佳的具体实施方式;但本发明的保护范围并不局限于此。任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其改进构思加以等同替换或改变,都应涵盖在本发明的保护范围内。
Claims (3)
1.一种除醛板表面层结构,其特征在于:包括表面带有负离子催化剂的基材层,所述基材层的下端铺设有平衡层,所述基材层的上端铺设有装饰层,所述装饰层上设有多条凹陷条,所述装饰层的上端铺设有耐磨层;
所述基材层的表面设有粗磨层,所述粗磨层的上端设有碳化层;
所述碳化层的表面设有压平层;
所述凹陷条包括凹陷中空腔和填充颗粒,所述填充颗粒包括吸水树脂颗粒和活性炭颗粒;
所述装饰层的下表面设有磨砂层;所述凹陷条与装饰层的纹路相对应;
所述的一种除醛板表面层结构的处理工艺,包括以下步骤:
(1)首先对基材层的表面进行粗磨;
(2)粗磨后的基材层进行表面碳化;
(3)然后对表面碳化后的基材层进行压平;
(4)对压平后的基材层进行烘烤10-60min;
(5)烘烤后的基材放置至室温后检测含水量,保持其含水量在10%-14%之间;
(6)然后再压合带有凹陷条的装饰层、平衡层和耐磨层;
(7)对压合好的除醛板进行纳米表面镀膜;
使用复合板材的时候,通过以上操作可以通过碳化层减少内部甲醛释放,同时碳化层具有抗收缩能力,不会因为基材层、装饰层的热胀冷缩系数不同而造成细微开裂和空鼓,进而加剧甲醛的释放,部分凹陷条在装饰层与基材层和耐磨层之间发生微小变形空鼓后破裂,多余气体填充到凹陷中空腔中,减少气体含量,保持大气压;同时填充颗粒还能吸 收气体中水分和有毒物质,延缓除醛板的开裂,附在基材层表面的负离子催化剂还能把进入其电场中的甲醛分解,还原成CO2和H2O使之变成无害的气体。
2.根据权利要求1所述的一种除醛板表面层结构,其特征在于:所述吸水树脂颗粒和活性炭颗粒吸水膨胀后的体积不超过凹陷中空腔的容积。
3.根据权利要求1所述的一种除醛板表面层结构,其特征在于:所述粗磨层的厚度为0.1-1mm。
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