CN111267440A - 一种耐刮生态地板及其制备方法 - Google Patents

一种耐刮生态地板及其制备方法 Download PDF

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CN111267440A
CN111267440A CN202010209537.4A CN202010209537A CN111267440A CN 111267440 A CN111267440 A CN 111267440A CN 202010209537 A CN202010209537 A CN 202010209537A CN 111267440 A CN111267440 A CN 111267440A
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melamine
floor
thickness
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王杨林
朱守益
唐圣奎
孔令意
袁效东
张�雄
左锣
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Anhui Conch Construction Materials Design Institute Co Ltd
Anhui Conch Holdings Co Ltd
Wuhu Conch Profiles and Science Co Ltd
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Anhui Conch Holdings Co Ltd
Wuhu Conch Profiles and Science Co Ltd
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Abstract

本发明公开了一种耐刮生态地板及其制备方法,其生态地板包括塑料地板基材、三聚氰胺纸层、连接复合层以及平衡层,所述连接复合层包括上连接复合层和下连接复合层,所述三聚氰胺纸层和塑料地板基材之间通过上连接复合层复合相连,塑料地板基材和平衡层之间通过下连接复合层复合相连,所述三聚氰胺纸层、上连接复合层、塑料地板基材、下连接复合层以及平衡层从上至下依次设置。改善三聚氰胺耐刮产品的应用稳定性,生产出可应用于不同环境下的三聚氰胺纸超高耐刮生态地板;其生态地板具有高耐刮性,同时其尺寸稳定性好、翘曲度低,产品应用稳定性好。

Description

一种耐刮生态地板及其制备方法
技术领域
本发明涉及塑料地板技术领域,尤其是涉及一种耐刮生态地板及其制备方法。
背景技术
塑料地板因其具有零甲醛、超强耐磨、超低收缩、吸音防噪、安装简便、防水防滑、环境适应性广等优点,成为继地毯、木地板和大理石瓷砖之后目前世界上新一代地面装饰材料,也被称为“轻体地材”,在欧美及亚洲的日韩等国家广受欢迎。
然而市场上主流的SPC塑料地板表面由彩膜层、耐磨层与UV涂覆层构成,耐磨层主要材料为PVC树脂,表面硬度低,耐刮性能较差;UV固化层主要原料为丙烯酸酯树脂,耐刮性能一般,因此限制了SPC塑料地板的推广应用。
市场上出现的三聚氰胺纸高耐刮地板,但三聚氰胺材质脆,并且难以与塑料地板基材复合,其产品尺寸变化率较大、翘曲度高,在不同环境下应用稳定性差,影响产品质量。
发明内容
针对现有技术不足,本发明所要解决的技术问题是提供一种三聚氰胺复合耐刮生态地板及其制备方法,其地板表面耐刮,同时尺寸稳定性好、翘曲度低。
为了解决上述技术问题,本发明所采用的技术方案为:
一种耐刮生态地板,包括塑料地板基材、三聚氰胺纸层、连接复合层以及平衡层,所述连接复合层包括上连接复合层和下连接复合层,所述三聚氰胺纸层和塑料地板基材之间通过上连接复合层复合相连,塑料地板基材和平衡层之间通过下连接复合层复合相连,所述三聚氰胺纸层、上连接复合层、塑料地板基材、下连接复合层以及平衡层从上至下依次设置。
所述三聚氰胺纸层包括三聚氰胺耐磨层和三聚氰胺印花层,平衡层为三聚氰胺平衡纸。
所述塑料地板基材为SPC基材,连接复合层为LVT料层。
所述塑料地板基材的底部设有底纹结构。
所述平衡层的表面贴覆有静音垫。
所述三聚氰胺耐磨层的厚度为0.08-0.12mm、三聚氰胺印花层的厚度为0.03-0.07mm、上连接复合层的厚度为0.5-0.9mm、塑料地板基材为厚度为3.8mm-4.5mm、下连接复合层的厚度为0.7-1mm、平衡层的厚度为0.13-0.17mm。
所述连接复合层的材质包括以下物料:PVC树脂粉、填充剂、对苯二甲酸二辛脂、钙锌稳定剂、加工助剂以及炭黑。
所述三聚氰胺耐磨层的厚度为0.1mm、三聚氰胺印花层的厚度为0.05mm、上连接复合层的厚度为0.7mm、塑料地板基材为厚度为4.1mm、下连接复合层的厚度为0.9mm、平衡层的厚度为0.15mm。
一种耐刮生态地板的制备方法,包括以下步骤:
1)塑料地板基材的原料投入到热混机中进行热混,排潮去除挥发水分后,排入冷混机中,去除异物后,进入管链***,输送至挤出机;
2)混合料经挤出机挤压成型后,再经冷却、牵引、切割、形成SPC基材;
3)经热压机将三聚氰胺耐磨层、三聚氰胺印花层、上连接复合层、塑料地板基材、下连接复合层以及平衡层热压形成地板复合结构;
4)完成热压后地板复合结构经养生、分切、开槽、贴覆静音垫后形成成品,包装入库。
其中,
所述步骤(1)中,所述热混机中的热混时间为600-900s,热混温度达到120-125℃开始下料排入冷混合机中;所述冷混机中的冷混时间为300-400s,冷混温度达到42-45℃开始下料。
所述步骤(2)中,所述挤出机的参数控制为:螺杆温度140-160℃;筒区1温度225-245℃;筒区2温度225-245℃;筒区3温度225-245℃;筒区4温度225-245℃;筒区5温度225-245℃;连接体温度220-240℃;模区温度200-220℃;螺杆速度16-21rpm;进料速度28-40rpm;牵引速度0.7-1.2Rap/min;负荷45-60%。
所述步骤(3)中,所述热压机的参数控制为:热压温度为165-180℃,一段热压压力为13-15MPa、时间为3-8min,二段热压压力为13.5-15.5MPa、时间为3-8min,三段热压压力为14-16MPa、时间为5-10min;冷压温度为25℃,一段冷压压力为12-14MPa、时间为5-8min,二段冷压压力为12.5-14.5MPa、时间为5-8min,三段冷压压力为13-15MPa、时间为5-10min。
本发明与现有技术相比,具有以下优点:
该三聚氰胺复合耐刮生态地板及其制备方法通过对地板多层结构设计,改善三聚氰胺耐刮产品的应用稳定性,生产出可应用于不同环境下的三聚氰胺纸超高耐刮生态地板;其生态地板具有高耐刮性,同时其尺寸稳定性好、翘曲度低,产品应用稳定性好。
附图说明
下面对本说明书各幅附图所表达的内容及图中的标记作简要说明:
图1为本发明地板复合层结构示意图。
图中:
1.三聚氰胺耐磨层、2.三聚氰胺印花层、3.上连接复合层、4.塑料地板基材、5.下连接复合层、6.平衡层。
具体实施方式
下面对照附图,通过对实施例的描述,对本发明的具体实施方式作进一步详细的说明。
如图1所示,该三聚氰胺纸超高耐刮生态地板,包括塑料地板基材、三聚氰胺纸层、连接复合层以及平衡层,连接复合层包括上连接复合层和下连接复合层,三聚氰胺纸层和塑料地板基材之间通过上连接复合层复合相连,塑料地板基材和平衡层之间通过下连接复合层复合相连,所述三聚氰胺纸层、上连接复合层、塑料地板基材、下连接复合层以及平衡层从上至下依次设置。
三聚氰胺纸层包括三聚氰胺耐磨层和三聚氰胺印花层,平衡层为三聚氰胺平衡纸。三聚氰胺层硬度大,三聚氰胺的耐磨层结构相对传统的耐磨层的耐刮性能更好,并可提高地板复合结构强度。
三聚氰胺纸硬度大并且材质较脆,不能采用传统的在线直接贴合方式进行加工复合;并且耐磨层及印花层的材质与塑料地板基材的材质不同,两者结合难度大;因此本发明中通过连接复合层实现三聚氰胺层与塑料基材之间可靠结合,尺寸变化率小,结构稳定,并通过热压处理实现稳定复合。
塑料地板基材为SPC基材,其为聚氯乙烯树脂;连接复合层为LVT料层,上连接复合层形成LVT中料,下连接复合层形成LVT底料。其形成复合结构地板具有尺寸稳定性好、翘曲度低、应用稳定性好等优点。
连接复合层的材质包括以下物料:PVC树脂粉、填充剂、对苯二甲酸二辛脂、钙锌稳定剂、加工助剂以及炭黑。
优选的,LVT中料由以下重量份物料组成:PVC树脂粉100份;填充剂300份;对苯二甲酸二辛脂50份;环保钙锌稳定剂2.5份;加工助剂6份;炭黑0.6份。LVT底料由以下重量份物料组成:PVC树脂粉100份;填充剂250份;对苯二甲酸二辛脂60份;环保钙锌稳定剂1.5份;加工助剂5份;炭黑0.6份。
通过LVT合理设置及处理,改善三聚氰胺耐刮产品的应用稳定性,生产出可应用于不同环境下的三聚氰胺纸超高耐刮生态地板。
三聚氰胺耐磨层的厚度为0.08-0.12mm、三聚氰胺印花层的厚度为0.03-0.07mm、上连接复合层的厚度为0.5-0.9mm、塑料地板基材为厚度为3.8mm-4.5mm、下连接复合层的厚度为0.7-1mm、平衡层的厚度为0.13-0.17mm。层结构设置合理,结构稳定可靠。
优选的,三聚氰胺耐磨层的厚度为0.1mm、三聚氰胺印花层的厚度为0.05mm、上连接复合层的厚度为0.7mm、塑料地板基材为厚度为4.1mm、下连接复合层的厚度为0.9mm、平衡层的厚度为0.15mm。
塑料地板基材的底部设有底纹结构;平衡层的表面贴覆有静音垫,提高了产品质量。
该耐刮生态地板的制备方法,包括以下步骤:
1)塑料地板基材的原料投入到热混机中进行热混,排潮去除挥发水分后,排入冷混机中,去除异物后,进入管链***,输送至挤出机;
2)混合料经挤出机挤压成型后,再经冷却、牵引、切割、形成SPC基材;
3)经热压机将三聚氰胺耐磨层、三聚氰胺印花层、上连接复合层、塑料地板基材、下连接复合层以及平衡层热压形成地板复合结构;
4)完成热压后地板复合结构经养生、分切、开槽、贴覆静音垫后形成成品,包装入库。
其中,
步骤(1)中,所述热混机中的热混时间为600-900s,热混温度达到120-125℃开始下料排入冷混合机中;所述冷混机中的冷混时间为300-400s,冷混温度达到42-45℃开始下料。
步骤(2)中,所述挤出机的参数控制为:螺杆温度140-160℃;筒区1温度225-245℃;筒区2温度225-245℃;筒区3温度225-245℃;筒区4温度225-245℃;筒区5温度225-245℃;连接体温度220-240℃;模区温度200-220℃;螺杆速度16-21rpm;进料速度28-40rpm;牵引速度0.7-1.2Rap/min;负荷45-60%。
步骤(3)中,所述热压机的参数控制为:热压温度为165-180℃,一段热压压力为13-15MPa、时间为3-8min,二段热压压力为13.5-15.5MPa、时间为3-8min,三段热压压力为14-16MPa、时间为5-10min;冷压温度为25℃,一段冷压压力为12-14MPa、时间为5-8min,二段冷压压力为12.5-14.5MPa、时间为5-8min,三段冷压压力为13-15MPa、时间为5-10min。
完成热压后地板复合结构需养生处理,需要在一定温度恒温房放置一定时间,将地板的高能分子链稳定转化为低能分子链结构,避免后期分子链不稳定,出现尺寸变化大产生翘曲问题。
由于三聚氰胺层材质物理特性问题不能采用传统贴合工艺,其采用本发明热压处理方式配合参数控制,能稳定生产高质量产品。
本发明中所涉及的耐磨层、印花层以及平衡层由杭州天元诚达装饰纸装饰材料有限公司生产。LVT中料和LVT底料由滁州新型装饰材料有限公司生产。SPC基板由芜湖海螺型材科技股份有限公司生产。
实施例1
一种三聚氰胺纸超高耐刮生态地板,包括如表1中实施例1所示不同规格的原料:
实施例1 实施例2 比较例1 比较例2
耐磨纸 - 0.1mm - 0.1mm
印花纸 0.05mm 0.05mm 0.05mm 0.05mm
LVT中料 0.7mm 0.7mm 0.7mm -
SPC基材 4.1mm 4.1mm 4.1mm 4.1mm
LVT底料 0.9mm 0.9mm 0.9mm -
平衡纸 0.15mm 0.15mm - 0.15mm
表1不同规格的原料
三聚氰胺纸超高耐刮生态地板的制备方法包括以下步骤:
(1)按配方量将原料投入到热混机中进行热混合600-900秒,混合过程中经排潮收尘装置充分去除混合料中的挥发分,混合料温度达到125℃后排入冷混合机中,冷混300-400秒,至42℃经震动筛去除异物后进入管链输送***,输送至挤出平台;
(2)混合料经管链输送至挤出平台,混合料经平行双螺杆挤出机挤压成型,经压延辊定厚,形成厚度均匀的SPC基材,其中挤出机的参数控制为:螺杆温度150℃,筒区1温度225℃,筒区2温度225℃,筒区3温度225℃,筒区4温度230℃℃,筒区5温度230℃,连接体温度225℃,模区温度200℃,螺杆速度18rpm,进料速度32rpm,负荷55%,基材定厚压延辊的温度为190℃,牵引速率为0.8m/min。经过底纹辊在地板背面形成特有纹路,经冷却、牵引、分切后形成SPC大板,其中底纹辊温度为185℃。
(3)将表1中实施例1结构平铺在托盘中,将托盘置于热压机中进行热压贴合,热压工艺为:热压温度为175℃,一段热压压力为14MPa、时间为5min,二段热压压力为14MPa、时间为5min,三段热压压力为15MPa、时间为8min;热压完成后经机械手将托盘置于冷压机中,冷压工艺为:冷压温度25℃,一段冷压压力13.5MPa、时间为5min,二段冷压压力13.5MPa、时间为5min,三段冷压压力为14MPa、时间为10min。冷压完成后将产品从托盘中取出。
(4)完成热压后SPC大板在25℃、60%湿度环境下养生24小时,分切、开槽、贴覆静音垫后形成成品,包装入库。
实施例2
一种三聚氰胺纸超高耐刮生态地板,包括如表1中实施例1所示结构的原料。
三聚氰胺纸超高耐刮生态地板的制备方法同实施例1,只是在产品上表面增加三聚氰胺耐磨层。
比较例1
一种三聚氰胺纸超高耐刮生态地板,包括如表1中比较例1所示结构的原料。
三聚氰胺纸超高耐刮生态地板的制备方法同实施例1,只是在产品上表面只贴附三聚氰胺印花纸。
比较例2
一种三聚氰胺纸超高耐刮生态地板,包括如表1中比较例1所示结构的原料。
三聚氰胺纸超高耐刮生态地板的制备方法同实施例1,只是在产品中不贴附LVT中料、LVT底料。
以上各实施例和比较例制备得到的同规格生态地板的性能测试结果如表2所示。
Figure BDA0002422340310000091
表2相关性能及技术指标测试结果
备注:生态地板的各项材料性能检测参照《GB/T 34440-2017硬质聚氯乙烯地板》进行测试。
由表2可以看出,各实施例与比较例生产的超高耐刮生态地板顶针耐刮、马丁代尔微刮擦数据优异,耐刮性好。实施例1、2比较,实施例2耐磨性明显优于实施例1,其余性能相当。实施例2与对比例1比较,对比例1尺寸变化率大、翘曲高高,应用稳定性差,其余性能相当。实施例2与对比例2比较,对比例2剥离强度较低,各界面贴覆性不佳。由表2可以得出,实施例1、2均可实现超高耐刮生态地板产品的制备,且其各项性能优异。
上述仅为对本发明较佳的实施例说明,上述技术特征可以任意组合形成多个本发明的实施例方案。
上面结合附图对本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构思和技术方案进行的各种非实质性的改进,或未经改进将本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 (10)

1.一种耐刮生态地板,包括塑料地板基材,其特征在于:还包括三聚氰胺纸层、连接复合层、以及平衡层,所述连接复合层包括上连接复合层和下连接复合层,所述三聚氰胺纸层和塑料地板基材之间通过上连接复合层复合相连,塑料地板基材和平衡层之间通过下连接复合层复合相连,所述三聚氰胺纸层、上连接复合层、塑料地板基材、下连接复合层以及平衡层从上至下依次设置。
2.如权利要求1所述耐刮生态地板,其特征在于:所述三聚氰胺纸层包括三聚氰胺耐磨层和三聚氰胺印花层,平衡层为三聚氰胺平衡纸。
3.如权利要求1所述耐刮生态地板,其特征在于:所述塑料地板基材为SPC基材,连接复合层为LVT料层;所述塑料地板基材的底部设有底纹结构;所述平衡层的表面贴覆有静音垫。
4.如权利要求2所述耐刮生态地板,其特征在于:所述三聚氰胺耐磨层的厚度为0.08-0.12mm、三聚氰胺印花层的厚度为0.03-0.07mm、上连接复合层的厚度为0.5-0.9mm、塑料地板基材为厚度为3.8mm-4.5mm、下连接复合层的厚度为0.7-1mm、平衡层的厚度为0.13-0.17mm。
5.如权利要求3所述耐刮生态地板,其特征在于:所述连接复合层的材质包括以下物料:PVC树脂粉、填充剂、对苯二甲酸二辛脂、钙锌稳定剂、加工助剂以及炭黑。
6.如权利要求4所述耐刮生态地板,其特征在于:所述三聚氰胺耐磨层的厚度为0.1mm、三聚氰胺印花层的厚度为0.05mm、上连接复合层的厚度为0.7mm、塑料地板基材为厚度为4.1mm、下连接复合层的厚度为0.9mm、平衡层的厚度为0.15mm。
7.一种耐刮生态地板的制备方法,其特征在于:所述制备方法包括以下步骤:
1)塑料地板基材的原料投入到热混机中进行热混,排潮去除挥发水分后,排入冷混机中,去除异物后,进入管链***,输送至挤出机;
2)混合料经挤出机挤压成型后,再经冷却、牵引、切割、形成SPC基材;
3)经热压机将三聚氰胺耐磨层、三聚氰胺印花层、上连接复合层、塑料地板基材、下连接复合层以及平衡层热压形成地板复合结构;
4)完成热压后地板复合结构经养生、分切、开槽、贴覆静音垫后形成成品,包装入库。
8.如权利要求7所述耐刮生态地板的制备方法,其特征在于:所述步骤(1)中,所述热混机中的热混时间为600-900s,热混温度达到120-125℃开始下料排入冷混合机中;所述冷混机中的冷混时间为300-400s,冷混温度达到42-45℃开始下料。
9.如权利要求7所述耐刮生态地板的制备方法,其特征在于:所述步骤(2)中,所述挤出机的参数控制为:螺杆温度140-160℃;筒区1温度225-245℃;筒区2温度225-245℃;筒区3温度225-245℃;筒区4温度225-245℃;筒区5温度225-245℃;连接体温度220-240℃;模区温度200-220℃;螺杆速度16-21rpm;进料速度28-40rpm;牵引速度0.7-1.2Rap/min;负荷45-60%。
10.如权利要求7所述耐刮生态地板的制备方法,其特征在于:所述步骤(3)中,所述热压机的参数控制为:热压温度为165-180℃,一段热压压力为13-15MPa、时间为3-8min,二段热压压力为13.5-15.5MPa、时间为3-8min,三段热压压力为14-16MPa、时间为5-10min;冷压温度为25℃,一段冷压压力为12-14MPa、时间为5-8min,二段冷压压力为12.5-14.5MPa、时间为5-8min,三段冷压压力为13-15MPa、时间为5-10min。
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