CN1284901C - 加工整饰wlc的方法 - Google Patents
加工整饰wlc的方法 Download PDFInfo
- 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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- coating
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- calender
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Classifications
-
- 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
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系统,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。
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 |
Family
ID=8562465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 02824504 Expired - Fee Related CN1284901C (zh) | 2001-12-12 | 2002-11-15 | 加工整饰wlc的方法 |
Country Status (5)
Country | Link |
---|---|
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)
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)
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 |
-
2001
- 2001-12-12 FI FI20012446A patent/FI111281B/fi not_active IP Right Cessation
-
2002
- 2002-11-15 CN CN 02824504 patent/CN1284901C/zh not_active Expired - Fee Related
- 2002-11-15 AU AU2002338999A patent/AU2002338999A1/en not_active Abandoned
- 2002-11-15 WO PCT/FI2002/000908 patent/WO2003050352A1/en not_active Application Discontinuation
- 2002-11-15 DE DE10297514T patent/DE10297514T5/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FI111281B (fi) | 2003-06-30 |
AU2002338999A1 (en) | 2003-06-23 |
DE10297514T5 (de) | 2004-11-18 |
FI20012446A0 (fi) | 2001-12-12 |
CN1602377A (zh) | 2005-03-30 |
WO2003050352A1 (en) | 2003-06-19 |
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Granted publication date: 20061115 Termination date: 20151115 |