CN103118878A - 面板的制造方法和根据该方法制造的面板 - Google Patents
面板的制造方法和根据该方法制造的面板 Download PDFInfo
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Abstract
本发明涉及一种地板面板的制造方法,其特征在于以下步骤:a)使得胶合的木纤维或木屑分散,以形成木材松块,b)以升高的温度挤压木材松块以形成大幅面的基板,所述大幅面的基板以压合饰面的方式提供,并且至少在所述基板的上表面上具有在所述基板的制造过程中产生的压合蒙皮,c)将由液态的基于三聚氰胺的树脂制成的基涂层施加至所述基板的上表面,树脂至少部分渗透到所述基板的顶表面层中,并且至少部分渗透和改善压合蒙皮的区域,d)使得所述基涂层干燥,e)将底漆施加至所述基涂层,f)使得所述底漆干燥,g)施加至少一种富含颜料的水基漆以便制造饰纹,h)使得所述饰纹干燥,i)施加密封剂,所述密封剂由至少一种富含耐磨颗粒和纤维素纤维的基于三聚氰胺的树脂制成,j)使得所述密封剂干燥,k)将由液态的基于三聚氰胺的树脂制成的基涂层施加至所述基板的下表面,所述树脂至少部分渗透到所述基板的下表面层中,l)使得所述基涂层干燥,m)将对抗层施加至所述基板的下表面,n)在压力和温度的作用下挤压层结构,o)将所述基板分割成具有所希望的宽度和长度的面板,p)将连接装置和锁定元件附接至相反的侧边缘,以便在不用胶的情况下连接和锁定多个面板,以形成悬浮式铺装的地板组合体。
Description
面板的制造方法和根据该方法制造的面板。
本发明涉及面板的制造方法,所述面板由具有木材芯板的大幅面基板分割出。
专利公开文献EP1454763A2公开了木板或木材板、特别MDF或HDF板的饰面方法,所述木板或木材板具有上表面和下表面,其中,首先,将由三聚氰胺树脂制成的密封层施加至板的上表面,将饰纹印制到密封层上,然后将由三聚氰胺树脂制成的保护层施加/施涂至饰纹。然后,在温度的作用下挤压板结构,直到保护层和密封层熔合并夹含着印制饰纹地彼此结合。
专利公开文献DE19532819A1公开了木材板的制造方法,所述木材板具有视觉上可定制的上表面,其中依次将基颜料、密封剂、印制基底和装饰印纹施加至木材板。印制基底由漆密封剂和面漆制成的基颜料或基涂层组成。借助于雕花滚筒,例如以双色印纹方式,可以将装饰印纹印制到印刷基底上。最后,可以将可借助UV线固化的多层丙烯酸酯UV漆施涂至所述印纹。
专利公开文献DE19751115A1公开了面板的涂覆方法,其中,借助于印刷工艺、特别借助于丝网印刷而将至少一个着色层施加至上表面。上表面可以是未处理的、抛光的或预处理的,特别是上漆的。最后,可以由具有透明清漆的涂层覆盖所施加的着色层。
如果采用直印技术,亦即各个层直接印到基板上,那么结果是,由于纸层的省却,完成的层合面板与以传统方式制造的面板相比厚度减小。这将在随后分割大幅面的被涂覆的板以制造面板时的流线化生产的过程中导致问题。为了确保个别面板不会由于厚度过小而不符合德国工业标准(DIN)13329,必须提供高水平的品质保证,这首先放慢了生产,其次还提高了生产成本。最终,由于直接涂覆的板的堆叠高度显然不同于以传统方式涂覆的板,所以在经销商和/或终端用户那里也会发生麻烦。
在已知的制造板的过程中,HDF板通常用作基板,所述基板的上表面被磨去约0.3mm。在基板的上表面和下表面上形成压合蒙皮,其也被称为压合铜绿(patina)层或腐蚀(decay)层。压合蒙皮在纤维或屑松块被压制的同时产生,并且其通过压机的压板或压条的热的上表面产生。压合蒙皮具有约0.3mm的厚度。由于压合蒙皮被完全磨去,并且约0.1mm被从芯板材料上磨去以便在另外的涂覆之前降低基板的上表面的粗糙度,所以板必须制造成厚出对应的磨削余量来,这在制造成本上具有持久影响。为了制造出符合标准的借助于直印技术制造并且具有6mm厚度的地板层合件,基板必须至少具有6.1mm的厚度。
由于在压合蒙皮的区域内,热压过程中的热量输入如此之高以至于粘合剂固化太快,结果粘合剂连接部至少部分断裂并且使得施加的层易受影响,因此压合蒙皮必须被磨去。粘合剂连接部的这种断裂使得饰面后的面板易受施加至基板的装饰层和耐磨层的翘起的影响。这种翘起被称为脱层,其甚至可以在正常荷载下发生,并且可以由于因天气变动造成的典型的木材尺寸变化而发生。
因此,存在对于处在上述标准中出现的厚度容差之内的耐磨层合面板的极大需求。此外,存在对于资源保护型的制造方法的需求,其中由附加的方法步骤和/或附加的材料造成的额外成本很大程度上得到避免。
在并非现有技术公开文献的EP2236313中,提出仅磨去压合蒙皮的一部分、具体是0.1mm的厚度。作为这种方法的结果,可以实现实质5%的材料节约,这意味着加工所需的木材、粘合剂和一些能量得到节省。通过采用在该文献中所描述的方法,符合标准的6mm的层合面板可以由5.8mm厚的基板制造出。在传统的制造方法的情况下,基板必须具有6.1mm的厚度。
基于这一问题,一开始描述的用于制造面板、特别是地板面板的方法需要进一步改善。
为了解决所述问题,本方法的特别之处在于以下步骤:
a)使得胶合的木纤维或木屑分散,以形成木材松块,
b)以升高的温度挤压木材松块以形成大幅面/大规格基板,所述基板以压合饰面的方式提供,并且至少在其上表面上具有在基板制造过程中产生的压合蒙皮,
c)将由液态的基于三聚氰胺的树脂制成的基涂层施加/施涂至基板的上表面,树脂至少部分渗透到基板的顶表面层中,并且至少部分渗入和改善压合蒙皮的区域,
d)使得基涂层干燥,
e)将底漆施加至基涂层,
f)使得底漆干燥,
g)施加至少一种富含颜料的水基漆以便制造饰纹,
h)使得饰纹干燥,
i)施加由至少一种富含耐磨颗粒和纤维素纤维的基于三聚氰胺的树脂制成的密封剂,
j)使得密封剂干燥,
k)将由液态的基于三聚氰胺的树脂制成的基涂层施加至基板的下表面,树脂至少部分渗透到基板的下表面层中,
l)干燥基涂层,
m)将对抗层施加至基板的下表面,
n)在压力和温度的作用下挤压层结构,
o)将基板分割成具有所希望的宽度和长度的面板,
p)将连接装置和锁定元件附接至相反的侧边缘以便在不用胶的情况下连接和锁定多个面板以形成悬浮式铺装的地板组合体。
已经表明,借助于由液态的基于三聚氰胺的树脂制成的、然后将施涂有底漆的基涂层,断裂的粘合剂连接部可以以这样的方式被修复或被补偿,即后续施加的层不易翘起。
基板可以制作得更薄这一事实提高了热压的速度,并因此还提高了所述热压的产出(量/单位时间)。由于压合蒙皮不再必须被磨去,不仅处理时间得到省却,这缩短了制造时间,而且用于研磨带的运行成本被免除。由于最大原始厚度的层得到保持,热压可以用更少的压力和/或以更高的速度实施。用于热压的以便最优化产出的设定窗口因此变得更宽。
作为树脂渗透到基板的上层中的结果,首先压合蒙皮的性能被补偿,并且同时良好的用于饰纹和耐磨层的底结构被形成。实践中,已经表明,在按照本发明制造的地板面板的情况下,脱层的危险性低。相当程度的品质改善得到实现。
优选采用的基板是MDF、HDF或刨花板。
基板的厚度优选在4mm和12mm之间,特别优选是5.8mm,并且压合蒙皮优选具有特别约0.2mm的厚度。
优选还可以通过添加剂调整压制完成的基板的上表面的润湿性,所述添加剂在挤压之前置于木材松块的上表面上。所述添加剂优选紧接在木材松块运送进入热压机(例如Conti压机)之前被放上。
添加剂优选是表面活性剂,或者包括表面活性剂以及其它成分。特别地,所述添加剂优选以液态形式呈现。
除了表面活性剂之外,添加剂的其它成分可以是生物杀灭剂、稳定剂和/或聚合物。表面活性剂的比例优选大于90%。
实际试验已证明,如果添加剂以1mg/m2至30mg/m2的量施加、且均匀地分布在木材松块的上表面上,那么良好的作用得到实现。
优选采用刚玉颗粒来作为密封层中的耐磨颗粒。
在分割之后,多个面板可以包装成捆。
一种具有木纤维或木屑的芯板的面板的特别之处在于以下特征:
a)上表面、下表面和两对相反的侧边缘,
b)芯板的上表面和下表面具有在压合过程中产生的压合蒙皮,
c)基涂层、底漆层、至少一个装饰层和耐磨层至少被施加至在上表面上的压合蒙皮,
d)基涂层和对抗层被施加至芯板的下表面,
e)基涂层至少部分渗透到上表面上的压合蒙皮中。
基涂层优选包括三聚氰胺树脂。添加剂可以施加至在压合蒙皮上、优选至少在上表面上的基涂层。
除了纤维素纤维以外,耐磨层优选还具有刚玉颗粒作为耐磨颗粒。
根据本发明的技术适用于厚度为4mm至12mm的面板。
根据本发明的方法将借助于以下实施例来解释,所述实施例用于满足DIN13329的6mm地板层合件。
首先,碎木被打浆以形成纤维或被粉碎以形成屑。然后纤维或屑利用例如三聚氰胺树脂的胶胶合。通过使用分散设备,胶合的和干燥的木纤维或木屑被分散到连续循环的传送带上以形成木材松块。纤维或屑能够分散为多层。各屑的定位可以在相邻的层中错开90°。撒布的木材松块经由传送带被供送至Conti压机,其中胶合的木纤维或木屑在高压和高温下被挤压以形成大幅面基板,其优选具有约5.8mm的厚度。恰好在木材松块运送到挤压机中之前,木材松块的上表面可以用添加剂均匀润湿。添加剂以约1mg/m2至30mg/m2的量施加。所述添加剂包括表面活性剂或具有其它成分的表面活性剂,所述其它成分例如是生物杀灭剂、稳定剂和/或聚合物。如果添加剂以粉末形式呈现那么其可以被撒布上,或者如果添加剂是液体那么其可以被喷洒上。在木材松块的挤压之后,基板在其上表面上和在其下表面上设有压合蒙皮,所述压合蒙皮由于热的金属压板而在纤维或屑松块的压制过程中产生。然后用液态的基于三聚氰胺的树脂给压合蒙皮上底漆,以便调整上表面的润湿性。树脂连同其可固化的成分至少部分地渗透到上表面层中,并且渗透压合蒙皮高达0.2mm。由此,压合蒙皮得到改善。
干燥操作然后被施行。底漆层被施加至干燥的基涂层,并且然后被干燥。至少一种富含上色颜料的水基漆被施加至干燥底漆层,以便制造饰纹。饰纹可以是素色、木纹、镜砖或梦幻饰纹。天然石饰纹也可以想象到。在施加的装饰层干燥之后,具有至少一种富含耐磨颗粒和纤维素纤维的树脂的密封剂被施加。树脂在三聚氰胺基体上制成。然后施加的密封剂被干燥,并且然后基板的下表面被用液态的基于三聚氰胺的树脂上底漆,树脂至少部分扩散到下表面层、以及可能扩散到下压合蒙皮中。然后基涂层完全被干燥,液态合成树脂层扩散到基板的下表面上作为对抗层。然后所述层结构在压力和温度的作用下被挤压。
以这种方式饰面的大幅面基板然后被分割成具有所希望尺寸的面板。然后,分割的面板的相反侧边缘成形有相互对应的连接装置和锁定元件,以便多个以相同方式形成的面板可以彼此连接和锁定,以便形成悬浮式铺装的地板组合体。
多个分割的面板以已知方式被包装以形成捆并且如需要的话进行存放。
大体已知,在直接涂层的情况下,亦即在装饰层和/或耐磨层以液体方式施涂至由MDF/HDF制成的基板上表面的情况下,因为板的上表面的不同吸收能力,所以产生不希望的装饰偏差,该装饰偏差仅在层合之后才大体上变得可见。这是由于木材板本身的不均一性,对于大部分而言,所述不均一性由变动的木材配比造成,作为MDF/HDF板的主要成分的纤维由所述木材配比制成。这些变动例如由季节和地域的可用性以及由木材本身的类型造成,特别由具体木材的密度和pH值以及由木材的状态造成。理想地,木材配比不具有密度和/或pH值变动。例如,榉木在纤维分离过程中需要约60kWh/t,而松木需要约120kWh/t。在加工过程中,在最坏的可能情况下,纤维源自松木,而实际上灰尘大小的颗粒源自榉木。在热压过程中,出现了先前作为缺点表示的不均一的MDF/HDF板。如已经解释过的,可以在木材松块运送到压板中之前放上的添加剂影响板上表面的润湿性。其还导致了板上表面的均匀的吸收能力,从而使得不再可能发生先前已知的不希望的装饰偏差。
附图示出了用于地板覆盖的HDF板的体密度曲线的一段。由1标注的区域是已知为腐蚀层(压合蒙皮)的区域,其在传统的板中被磨去。由2标注的区域表示含有可选的添加剂的区域。在本图表中,体密度以千克每m3注明,板厚度以毫米注明。可以清楚看到,压合蒙皮内的体密度急剧上升到超过1000kg每m3的范围内,然后在芯板中朝向芯板的中间再次回落。
Claims (16)
1.一种面板的制造方法,具有以下步骤:
a)使得胶合的木纤维或木屑分散,以形成木材松块,
b)以升高的温度挤压木材松块以形成大幅面的基板,所述大幅面的基板以压合饰面的方式提供,并且至少在所述基板的上表面上具有在所述基板的制造过程中产生的压合蒙皮,
c)将由液态的基于三聚氰胺的树脂制成的基涂层施加至所述基板的上表面,树脂至少部分渗透到所述基板的顶表面层中,并且至少部分渗透和改善压合蒙皮的区域,
d)使得所述基涂层干燥,
e)将底漆施加至所述基涂层,
f)使得所述底漆干燥,
g)施加至少一种富含颜料的水基漆以便制造饰纹,
h)使得所述饰纹干燥,
i)施加密封剂,所述密封剂由至少一种富含耐磨颗粒和纤维素纤维的基于三聚氰胺的树脂制成,
j)使得所述密封剂干燥,
k)将由液态的基于三聚氰胺的树脂制成的基涂层施加至所述基板的下表面,所述树脂至少部分渗透到所述基板的下表面层中,
l)使得所述基涂层干燥,
m)将对抗层施加至所述基板的下表面,
n)在压力和温度的作用下挤压层结构,
o)将所述基板分割成具有所希望的宽度和长度的面板,
p)将连接装置和锁定元件附接至相反的侧边缘,以便在不用胶的情况下连接和锁定多个面板,以形成悬浮式铺装的地板组合体。
2.如权利要求1所述的方法,其特征在于,所制造的基板是MDF、HDF或刨花板。
3.如权利要求1和2中任一项所述的方法,其特征在于,所述压 合蒙皮具有约0.2mm的厚度。
4.如权利要求1所述的方法,其特征在于,为了调整压合饰面的基板的上表面的润湿性,在挤压之前将添加剂置于所述木材松块上。
5.如权利要求4所述的方法,其特征在于,所述添加剂是液态添加剂。
6.如权利要求4或5所述的方法,其特征在于,所述添加剂是表面活性剂,或者包括表面活性剂以及其它成分。
7.如权利要求6所述的方法,其特征在于,所述其它成分是生物杀灭剂、稳定剂和/或聚合物。
8.如权利要求6或7所述的方法,其特征在于,表面活性剂的比例大于90%。
9.如权利要求4至8中任一项所述的方法,其特征在于,恰好在所述木材松块运送到压机中之前放置所述添加剂。
10.如权利要求4至9中任一项所述的方法,其特征在于,所述添加剂以1毫克每平方米至30毫克每平方米的量、均匀分布地施加。
11.如前述权利要求中任一项所述的方法,其特征在于,所述基涂层渗入所述压合蒙皮至高达0.2mm的深度。
12.如前述权利要求中一项或多项所述的方法,其特征在于,采用刚玉颗粒作为耐磨颗粒。
13.一种面板,所述面板具有由木材、特别由纤维或屑压制而成芯板,所述芯板具有以下特征:
a)上表面、下表面和两对相反的侧边缘,
b)所述芯板的上表面和下表面具有在挤压过程中产生的压合蒙皮,
c)基涂层、底漆层、至少一个装饰层以及耐磨层至少被施加至所述上表面上的压合蒙皮,
d)基涂层和对抗层被施加至所述芯板的下表面,
e)所述基涂层至少部分渗透到所述上表面上的压合蒙皮中。
14.如权利要求13所述的面板,其特征在于,至少在所述上表面上,添加剂在所述基涂层下被施加至所述压合蒙皮。
15.如权利要求13所述的面板,其特征在于,所述耐磨层具有纤维素纤维和耐磨颗粒,所述耐磨颗粒优选是刚玉颗粒。
16.如权利要求13至15所述的面板,其特征在于,所述面板的厚度为4mm至12mm。
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DE102005045261B3 (de) * | 2005-09-22 | 2007-05-03 | Kronotec Ag | Verbindungselement |
DE102006037416A1 (de) * | 2006-08-10 | 2008-02-14 | Basf Ag | Fußbodenpaneel aus MDF oder HDF |
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- 2010-09-23 ES ES10762597.2T patent/ES2541214T3/es active Active
- 2010-09-23 CA CA2811668A patent/CA2811668C/en active Active
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Also Published As
Publication number | Publication date |
---|---|
CA2811668A1 (en) | 2012-03-29 |
KR101607733B1 (ko) | 2016-03-30 |
RU2013112787A (ru) | 2014-09-27 |
JP5602949B2 (ja) | 2014-10-08 |
US20150152651A1 (en) | 2015-06-04 |
WO2012037950A1 (de) | 2012-03-29 |
CA2811668C (en) | 2016-08-09 |
BR112013008151B1 (pt) | 2020-04-07 |
KR20140022361A (ko) | 2014-02-24 |
PL2619016T3 (pl) | 2015-11-30 |
EP2619016A1 (de) | 2013-07-31 |
BR112013008151A2 (pt) | 2016-07-12 |
US8973270B2 (en) | 2015-03-10 |
ES2541214T3 (es) | 2015-07-16 |
RU2540663C2 (ru) | 2015-02-10 |
UA106934C2 (uk) | 2014-10-27 |
MX2013003217A (es) | 2013-06-28 |
JP2013540615A (ja) | 2013-11-07 |
CN103118878B (zh) | 2016-01-20 |
US20130177742A1 (en) | 2013-07-11 |
ZA201302115B (en) | 2014-05-28 |
AU2010361006B2 (en) | 2014-06-12 |
EP2619016B1 (de) | 2015-04-15 |
US10036169B2 (en) | 2018-07-31 |
AU2010361006A1 (en) | 2013-04-04 |
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