CN100523375C - 对装饰纸浸渍的方法 - Google Patents

对装饰纸浸渍的方法 Download PDF

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CN100523375C
CN100523375C CNB998039306A CN99803930A CN100523375C CN 100523375 C CN100523375 C CN 100523375C CN B998039306 A CNB998039306 A CN B998039306A CN 99803930 A CN99803930 A CN 99803930A CN 100523375 C CN100523375 C CN 100523375C
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迪特尔·德林
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Abstract

本发明涉及一种对制备高耐磨复合地板材料采用的装饰纸浸渍的方法，其中首先用氨基树脂对装饰纸进行润湿并从而实现浸渍。用定量辊对涂敷的树脂的量度进行调整。在经润湿的湿的装饰纸上以特定的分散度喷涂一层氨基树脂。最终每平方米的克数是原纸干燥状态下的每平方米的克数的100%至250%。

Description

对装饰纸浸渍的方法
技术领域
本发明涉及一种对装饰的或带有装饰图案的纸浸渍的方法，所述装饰纸是用于制备耐磨地板材料采用的，其中首先用氨基树脂对装饰纸进行润湿并以此实现浸渍以及其间对树脂量进行调整。
背景技术
已知(格劳登茨等的专利)一种为复合地板材料制备耐磨装饰纸浸渍物的方法。采用这种已知的方法时，在固有的浸渍处理之后在具有装饰图案的纸上覆着一种物料，在该物料中颗粒状的金刚砂被专用的提高粘度的物质相应稳定地固定在构成物料的分散液中。
其中，浸渍后直接地或也可以在一中间干燥阶段在装饰纸尚处于潮湿状态下，采用涂敷辊对物料进行涂敷。
在采用这种应用涂敷辊的已知技术时，含有金刚砂的物料在储槽内，由于物料在该槽内仅有微量的移动，因而形成死区。所以金刚砂颗粒迅速地沉降，这将导致在装饰纸上的金刚砂涂层的不均匀性并导致采用此方式制备的复合地板材料的耐磨强度的大幅度的变化。
出于此原因，迄今将提高粘度的物质，通常为纤维素衍生物，添加入含有金刚砂混合物的物料中。另外金刚砂的颗粒应更细小些，因为较轻的或较小的金刚砂颗粒沉降速度较慢。但采用纤维素衍生物将导致制备的复合地板材料的表面无光泽。
为实现充分的耐磨强度，金刚砂颗粒越细，越要按比例涂敷在装饰纸上。即使如此也会造成所制备的材料表面无光泽。
发明内容
本发明的目的在于，避免采用已知方法制备耐磨复合地板材料时出现的上述缺点并可制备出高耐磨的装饰性的复合地板材料，其中同时用耐磨物质颗粒对显示表面结构的装饰纸进行涂敷，而又不使采用此方式制备的地板材料的表面无光泽。
本发明的目的的实现方案如下，对制备高耐磨复合地板材料采用的装饰纸浸渍的方法，其中首先用氨基树脂对装饰纸进行润湿并从而实现浸渍，其中用定量辊对树脂的量度进行调整，其特征在于，喷涂前对含有耐磨物质的分散液通过持续滚动实现彻底的搅拌，对经润湿的湿的装饰纸上附加喷涂一层在特定的分散液内的氨基树脂，其中每平方米成品装饰纸的克数是每平方米经浸渍处理并在干燥后求出的原料纸克数的1-2.5倍。
根据本发明的进一步设计，采用的分散液由100重量份氨基树脂、40重量份耐磨物质、0.45重量份硅烷粘合促进剂、12.5重量份助流物质、0.75重量份湿润剂、0.2重量份分离剂、0.75重量份氨基树脂硬化剂和5重量份水构成。
根据本发明的进一步设计，采用三聚氰胺树脂作为氨基树脂。
根据本发明的进一步设计，采用聚乙二醇醚、6-己内酰胺或丁二醇作为助流物质。
根据本发明的进一步设计，采用粒度为60至160μm的碳化硅作为耐磨物质。
根据本发明的进一步设计，采用氧化铝作为耐磨物质，优选所述氧化铝的粒度为60至160μm。
根据本发明的进一步设计，采用任意混合比的碳化硅和氧化铝的混合物作为耐磨物质。
本发明方法的一个主要区别在于，对用于装饰纸浸渍的和用于覆着诸如金刚砂等耐磨体所采用的物料或分散液进行喷涂或根据喷嘴方法进行覆着。
与辊涂敷相比，喷嘴方法的优点在于，含有诸如金刚砂颗粒等耐磨体的分散液在涂敷前通过滚动而被连续彻底的搅拌，因而或多或少地均匀地移动，所以不会出现造成不均匀的沉降现象。因此另外也不必混入提高粘滞度的材料或物质。确切地说，甚至可以加入助流材料，所述助流材料可以有助于改善诸如碳化硅或氧化铝等耐磨材料的分布，此点对用于对材料进行冲压的压力机是有益的。
另一优点在于，不必对金刚砂特殊的细粒度过于重视，而是可以采用明显较大或较粗的颗粒的耐磨材料。反之，这又导致为实现较高的耐磨强度，可以采用相对少量的金刚砂或其它颗粒状的耐磨材料。
这些措施的效果和优点是，根据本发明可以获得特别透明和光亮的复合地板材料表面。
本发明的另一优点在于，不必像采用已知的对用于浸渍的物料或分散液进行涂敷的方法那样，为保证在一定程度上的均匀的覆着，以相对缓慢的浸渍速度，例如18至25米/分钟运行，而是采用本发明的方法利用喷嘴对物料或分散液进行覆着，可以达到或实现的浸渍速度在40至50米/分钟之间。
具体实施方式
下面将对照实施例对本发明做进一步的说明。
例1：
首先在一带有搅拌器的储罐内对一专用的分散液进行预混合。为此，将200公斤三聚氰胺树脂(巴斯夫公司生产的Kauramin浸渍树脂786)、10公斤水、1.5公斤湿润剂、0.4公斤分离剂和1.5公斤硬化剂(巴斯夫公司生产的H527)进行搅拌。接着添加80公斤平均粒度为135μm的金刚砂。经过10分钟搅拌后，加入25公斤6-己内酰胺和0.9公斤市售硅烷粘合促进剂。
一个由VITS公司生产的标准浸渍槽设置在浸渍装置后面，该浸渍装置带有一进料装置，该进料装置由一宽粗轧辊、一导向辊、一带有收集池的喷缝、一对定量辊对以及线索支撑辊(wire supporting rol1ers)组成。
每平方米的克数为70g/m2的装饰纸带穿过浸渍装置和附加的结构。首先采用标准浸渍装置将树脂涂敷量调整到75g/m2(干燥后求出)。一旦实现此值，将启动喷嘴并对专用的分散液进行覆着。采用第二辊对将最终每平方米的克数调整到155g/m2。将经过上述处理的纸以45米/分钟的速度通过干燥器。残余湿度为6.1％。
接着对装饰纸进行快速冲压，将其压制在高密度地板(HDF)-载体板上(冲压温度180℃，冲压时间20秒)。采用此方式实现的光亮的表面满足现行欧洲标准的要求并且实现的耐磨强度IP为12.000。
例2：
作为金刚砂采用平均粒度为125μm的碳化硅颗粒，并采用深色的装饰纸。其它均与例1相同。
例3：
作为金刚砂采用由75％的平均粒度为125μm的氧化铝和25％的平均粒度与前者相同的碳化硅构成的混合物，其它均与例1相同。

Claims (7)

1.一种对制备高耐磨复合地板材料采用的装饰纸浸渍的方法，其中首先用氨基树脂对装饰纸进行润湿并从而实现浸渍，其中用定量辊对树脂的量度进行调整，其特征在于，喷涂前对含有耐磨物质的分散液通过滚动实现持续彻底的搅拌，对经润湿的湿的装饰纸上附加喷涂一层由在专用的分散液内的氨基树脂构成的涂层，其中每平方米成品装饰纸的克数是每平方米经浸渍处理并在干燥后求出的原料纸克数的1-2.5倍，其中，所采用的分散液由100重量份氨基树脂、40重量份耐磨物质、0.45重量份硅烷粘合促进剂、12.5重量份助流物质、0.75重量份湿润剂、0.2重量份分离剂、0.75重量份氨基树脂硬化剂和5重量份水构成。
2.按照权利要求1所述的方法，其特征在于，采用三聚氰胺树脂作为氨基树脂。
3.按照权利要求1所述的方法，其特征在于，所述分散液采用聚乙二醇醚、6-己内酰胺或丁二醇作为助流物质。
4.按照权利要求1所述的方法，其特征在于，所述分散液采用平均粒度为60至160μm的碳化硅作为耐磨物质。
5.按照权利要求1所述的方法，其特征在于，所述分散液采用氧化铝作为耐磨物质。
6.按照权利要求5所述的方法，其特征在于，所述氧化铝的粒度为60至160μm。
7.按照权利要求1所述的方法，其特征在于，所述分散液采用任意混合比的碳化硅和氧化铝的混合物作为耐磨物质。
CNB998039306A 1999-01-26 1999-01-26 对装饰纸浸渍的方法 Expired - Lifetime CN100523375C (zh)

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EP1068394A1 (de) 2001-01-17
PT1068394E (pt) 2004-03-31
CN1292840A (zh) 2001-04-25
AU3252099A (en) 2000-08-18
DE29917947U1 (de) 2000-03-09
US20060134405A1 (en) 2006-06-22
EP1068394B1 (de) 2003-11-19
DE59907803D1 (de) 2003-12-24
EP1270811B1 (de) 2003-12-17
HK1035219A1 (en) 2001-11-16
EP1270811A1 (de) 2003-01-02
PT1270811E (pt) 2004-04-30
ATE254692T1 (de) 2003-12-15
WO2000044984A1 (de) 2000-08-03

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