CN1284901C - 加工整饰wlc的方法 - Google Patents

加工整饰wlc的方法 Download PDF

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Publication number
CN1284901C
CN1284901C CN 02824504 CN02824504A CN1284901C CN 1284901 C CN1284901 C CN 1284901C CN 02824504 CN02824504 CN 02824504 CN 02824504 A CN02824504 A CN 02824504A CN 1284901 C CN1284901 C CN 1284901C
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China
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coating
cloth
plate width
calender
ornamenting
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Expired - Fee Related
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CN1602377A (zh
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马蒂·拉雷斯
斯蒂芬·库尼
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Valmet Technologies Oy
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Metso Paper Oy
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/70—Multistep processes; Apparatus for adding one or several substances in portions or in various ways to the paper, not covered by another single group of this main group
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/30—Pretreatment of the paper

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  • Paper (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

本发明涉及一种加工整饰WLC的方法。在该方法中，首先将板幅(W)进行纸机压光机压光(10)。接着，对板幅进行预涂布(11)。然后使板幅经过一长压区压光机(12)并进而到达实际涂布站(13)以在板幅表面涂布一层或多层涂层。最后，对板幅进行压光机加工整饰(14)。

Description

加工整饰WLC的方法
技术领域
本发明涉及一种加工整饰(finishing)回收纸板的方法，特别是加工整饰WLC(white line chip board(漂白浆挂面粗纸板))的方法。
背景技术
回收纸板全部或部分地由回收纤维构成，并可用于例如干食品的包装以及食品之外的其它货物的包装。WLC板一般为四重或四层***，包括例如，一基层(回收纸浆)，一填充层(回收纸浆)，一化学纸浆层，以及一涂布部。WLC的产量一直在增长，且主要集中在亚洲。尽管原材料质量在下降，但对加工整饰产品成品的质量要求仍不断增长，因此，例如通常要进行三遍涂布处理以进行充分覆盖。根据该现有技术，质量最好的WLC是通过在涂布处理前用杨克缸(Yankee cylinder)和成型纸机压光机对纸板表面进行预处理而得到的。
发明内容
本发明的目的是提供一种改进的加工整饰WLC方法，用于制造质量比现有的纸板更为平滑、光亮的WLC板。为了实现该目的，本发明方法的特征在于，该方法包括首先用纸机压光机对板幅(board web)进行压光，接着对板幅进行预涂布(precoating)处理，然后使板幅经过一长压区(long-nip)压光机并进而到达实际涂布站(coating station)以在板幅表面涂布一层或多层涂层，最后对板幅进行压光机加工整饰。在实际涂布站的下游、压光机加工整饰的上游，板幅可以进一步通过刮刀涂布而进行额外的涂布，以进一步改善板幅的平滑度和光泽度。
附图说明
下面参考附图将对本发明进行更详细的描述，其中：
图1示意性地显示了典型的WLC板的组成，以及
图2示意性地显示了采用本发明方法的布置。
具体实施方式
图1示意性地显示了一WLC板的多层结构，在示例性实施例中的WLC板包括回收纸浆的基层1，同样是回收纸浆的填充层2，纸浆层3，以及可以包括多个涂层的涂布部4。
图2中的示例性实施例显示了本发明的一种加工整饰方法，其中板幅W首先通过纸机压光机10以调整其厚度分布。接着传送板幅到达刮刀涂布站11进行预涂布以改善板幅的平滑度。然后使板幅通过例如图2中所示的靴形压光机12的长压区压光机或带式压光机，以改善板幅表面的平整度。在通过长压区压光机之后将板幅传送到实际涂布站，该实际涂布站可以是例如喷涂站13，幕式淋涂站，或是Opticoat Duo式涂布站。在该涂布站中，在板幅表面上涂布一层或多层涂层以获得希望的覆盖。在涂布处理后，板幅还要用例如软压光机14或多辊压光机进行压光机加工整饰，以改善板幅的平滑度和光泽度。根据本发明，在实际涂布站的下游和压光机加工整饰的上游，还可以可选地进行刮刀涂布，以进一步改善板幅的平滑度和光泽度。

Claims (6)

1、一种加工整饰WLC的方法，
其特征在于，该方法包括首先将板幅(W)进行纸机压光机(10)压光，接着对板幅进行预涂布处理(11)，然后使板幅经过一长压区压光机(12)并进而到达实际涂布站(13)以在板幅表面涂布一层或多层涂层，最后对板幅进行压光机加工整饰。
2、如权利要求1所述的方法，其特征在于，所述预涂布处理通过刮刀涂布(11)来进行。
3、如权利要求1所述的方法，其特征在于，所述预涂布处理通过刮棒涂布来进行。
4、如权利要求1-3中任一项所述的方法，其特征在于，所述实际涂布通过喷涂(13)、幕式淋涂、或Opticoat Duo式涂布来进行。
5、如权利要求1-3中任一项所述的方法，其特征在于，所述压光机加工整饰通过软压光机或多辊压光机来进行。
6、如权利要求1-3中任一项所述的方法，其特征在于，在实际涂布的下游和压光机加工整饰的上游，本方法还包括通过刮刀涂布进行可选的额外涂布处理。
CN 02824504 2001-12-12 2002-11-15 加工整饰wlc的方法 Expired - Fee Related CN1284901C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20012446 2001-12-12
FI20012446A FI111281B (fi) 2001-12-12 2001-12-12 Menetelmä kartongin jälkikäsittelemiseksi

Publications (2)

Publication Number Publication Date
CN1602377A CN1602377A (zh) 2005-03-30
CN1284901C true CN1284901C (zh) 2006-11-15

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CN (1) CN1284901C (zh)
AU (1) AU2002338999A1 (zh)
DE (1) DE10297514T5 (zh)
FI (1) FI111281B (zh)
WO (1) WO2003050352A1 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10232550C5 (de) * 2002-07-18 2013-02-07 Voith Patent Gmbh Vorrichtung und Verfahren zum Imprägnieren einer Papier- oder Kartonbahn
DE10316851B4 (de) * 2003-04-11 2007-02-08 Stora Enso Publication Paper Gmbh & Co. Kg Verfahren zum Behandeln einer Kartonbahn
DE10343120A1 (de) * 2003-09-17 2005-04-21 Voith Paper Patent Gmbh Verfahren zum Streichen einer Materialbahn
DE10358414A1 (de) * 2003-12-13 2005-07-07 Voith Paper Patent Gmbh Streichvorrichtung
FI20045110A (fi) * 2004-03-30 2005-10-01 Metso Paper Inc Menetelmä päällystetyn kuiturainan valmistamiseksi
DE102004022416B4 (de) 2004-05-06 2013-02-21 Voith Patent Gmbh Verfahren und Vorrichtung zum Behandeln einer Bahn aus Papier oder Karton
WO2006003263A1 (en) * 2004-07-02 2006-01-12 Metso Paper, Inc. Method and apparatus for coating a fibrous web
DE102010038530A1 (de) * 2010-07-28 2012-02-02 Voith Patent Gmbh Verfahren zur Herstellung einer Faserstoffbahn, insbesondere einer Papier- oder Kartonbahn
JP2014208934A (ja) * 2013-03-28 2014-11-06 日本製紙株式会社 塗工白板紙およびその製造方法
DE102020112932B4 (de) 2020-05-13 2022-03-24 Voith Patent Gmbh Faserstoffbahnglättung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE503580C2 (sv) * 1995-03-16 1996-07-08 Korsnaes Ab Bestruken kartong för formade artiklar, produktionslinje för produktion av bestruken kartong, förfarande för framställning av bestruken kartong samt sätt att minska sprickbildningsbenägenheten vid vikning av en bestruken kartong
DE19545408C5 (de) * 1995-12-06 2004-01-22 Voith Sulzer Papiermaschinen Gmbh Verfahren zur Oberflächenveredelung einer Kartonbahn
FI115649B (fi) * 1998-06-10 2005-06-15 Metso Paper Inc Menetelmä paperin valmistamiseksi ja paperikone
FI104745B (fi) * 1998-06-25 2000-03-31 Valmet Corp Menetelmä ja sovitelma paperin ja kartongin kalanteroimiseksi
FI991096A (fi) * 1999-05-12 2000-11-13 Valmet Corp Menetelmä paperin, erityisesti hienopaperin, valmistamiseksi ja paperi konelinja erityisesti hienopaperin valmistamista varten
FI991108A (fi) * 1999-05-14 2000-11-15 Valmet Corp Menetelmä ja sovitelma kalanteroidun paperin tai kartongin valmistamis eksi

Also Published As

Publication number Publication date
CN1602377A (zh) 2005-03-30
AU2002338999A1 (en) 2003-06-23
FI111281B (fi) 2003-06-30
WO2003050352A1 (en) 2003-06-19
FI20012446A0 (fi) 2001-12-12
DE10297514T5 (de) 2004-11-18

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