EP0464470A2 - Papier crêpé, procédé de fabrication et utilisation - Google Patents

Papier crêpé, procédé de fabrication et utilisation Download PDF

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Publication number
EP0464470A2
EP0464470A2 EP19910110049 EP91110049A EP0464470A2 EP 0464470 A2 EP0464470 A2 EP 0464470A2 EP 19910110049 EP19910110049 EP 19910110049 EP 91110049 A EP91110049 A EP 91110049A EP 0464470 A2 EP0464470 A2 EP 0464470A2
Authority
EP
European Patent Office
Prior art keywords
crepe
crepe paper
scraper
seconds
din
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19910110049
Other languages
German (de)
English (en)
Other versions
EP0464470A3 (en
EP0464470B1 (fr
Inventor
Klaus Dehler
Jörg Hamberger
H.-U. Dr. Heininger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Neenah Gessner GmbH
Original Assignee
Steinbeis Gessner GmbH
Gessner and Co GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Steinbeis Gessner GmbH, Gessner and Co GmbH filed Critical Steinbeis Gessner GmbH
Publication of EP0464470A2 publication Critical patent/EP0464470A2/fr
Publication of EP0464470A3 publication Critical patent/EP0464470A3/de
Application granted granted Critical
Publication of EP0464470B1 publication Critical patent/EP0464470B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • D21H19/00—Coated paper; Coating material
    • D21H19/72—Coated paper characterised by the paper substrate
    • D21H19/74—Coated paper characterised by the paper substrate the substrate having an uneven surface, e.g. crêped or corrugated paper
    • 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
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/146—Crêping adhesives
    • 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
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/005—Mechanical treatment

Definitions

  • the invention relates to crepe papers, processes for their production and their use.
  • the fine pleating across the machine means that the crepe paper is very elastic, which is used in the sanitary and hygiene sectors for the manufacture of handkerchiefs, towels, serviettes, diapers and toilet paper, but also for the production of adhesive and masking tapes.
  • the crepe papers are usually Made from high-quality cellulose but also from (un) bleached ground wood together with common additives while maintaining the desired thickness and the intended basis weight.
  • the wet crepe paper is pressed by a press at high pressure onto the crepe cylinder, from which it is then removed by means of a scraper at a dry content of approximately 40%.
  • the speed differences to the following paper machine parts result in the degree of crepe.
  • the scrapers used in accordance with the above method have a grinding angle which is in the range from 20 ° to 90 °. Furthermore, the height of the scraping edge is 0.2 to 0.4 mm.
  • the angle between the tangent and the scraper at the point of contact of the scraper with the crepe cylinder is 10 ° to 30 ° in the usual method.
  • the above configuration of the scraper and the angle of attack cause the paper to be blocked and compressed when scraped off, resulting in the typical "crepe mountains" and "crepe valleys".
  • crepe papers are produced which have a significantly increased elongation compared to the papers taken off directly from the paper machine.
  • these crepe papers have a low smoothness, which means that the adhesive application is very high in the production of adhesive tapes in order to obtain sufficient adhesive strength.
  • the low smoothness of the crepe paper means that the fingers and the skin are often affected during use.
  • the poor smoothness of the paper leads to unsatisfactory printability.
  • the object of the present invention is to create crepe papers which, in addition to being highly stretchable, have a high degree of smoothness.
  • Another object of the invention is to provide a method with which crepe paper with the above properties can be produced, with the addition of further chemicals to the paper pulp to be prevented as far as possible.
  • the raw crepe paper has a Bekk smoothness of 3 to 6 seconds, in particular 4 to 6 seconds, and on the top side 1.2 to 3.0 seconds, in particular 2 to 3 seconds.
  • the mass per unit area (DIN 53104) of the crepe paper is preferably 30 to 60 g / m2, and the Breaking strength (dry, according to DIN 53112) advantageously has values in the longitudinal direction of 26 to 50 Newtons / 15 mm and in the transverse direction of 12 to 25 Newtons / 15 mm.
  • Another special version of the raw crepe paper is characterized in that the tightness according to Gurley is 6 to 12 s.
  • an impregnated crepe paper with a mass per unit area (DIN 53104) of 40 to 120 g / m2, preferably 50-90 g / m2, and a thickness (DIN 53105) of 0.07 to 0.18 mm is also created , which is characterized in that the elongation at break (AFERA 4005) is 8 to 20% and the smoothness according to Bekk (DIN 53107) is 7 to 20 seconds on the sieve side and 2 to 8 seconds on the top side.
  • Special configurations of the impregnated crepe paper are characterized in that the breaking strength (dry, according to AFERA 4004) in the longitudinal direction 40 to 120 N / 15 mm, preferably 40-90 N / 15 mm, and in the transverse direction 15 to 60 N / 15 mm, preferably 15-40 N / 15 mm.
  • the impregnation of the crepe paper is preferably based on aqueous dispersions based on styrene butadiene, polyvinyl acetate, acrylate or acrylonitrile or mixtures of these with an application amount of 10 to 40 g / m2.
  • a "release coat” is applied to the top of the impregnated paper, which preferably comprises an aqueous dispersion based on acrylate, polyvinyl acetate, long-chain fatty acid and / or fatty alcohol derivatives, paraffins or silicone compounds or mixtures of these in an advantageous amount of 2 to 10 g / m2.
  • a primer is applied to the sieve side, which preferably consists of a dispersion based on natural latex, acrylonitrile, styrene butadiene or acrylate or mixtures of these in an amount of 2 to 5 g / m2 consists.
  • impregnated papers are also included which have a "release coat” on the top and a primer on the screen side.
  • the "release coat” means that the adhesive tape can be unwound again from the roll without sticking to the top of the underlying roll tape.
  • the primer requires the adhesive to adhere well to the screen side.
  • the crepe base papers and refined crepe papers according to the invention can be produced by a method in which the paper web guided on the crepe cylinder is lifted off with a scraper, passed over the surface of the scraper to a transfer device and from there to the drying cylinders, and optionally impregnated and coated, which characterized in that the grinding angle of the scraper is 20 ° to 60 °, the scraper edge has a height of 0.01 to 0.02 mm, and the angle between the tangent and the scraper at the point of contact of the scraper with the crepe cylinder 35 ° to Is 45 °.
  • the above method is carried out so that the speed of the Transfer device compared to that of the creping cylinder is delayed by 15 to 20%.
  • the scraper material is preferably made of stainless steel.
  • the impregnation can take place in an immersion bath, after which it is squeezed off with rollers.
  • the "release coat” and primer coating is generally carried out using an air brush, a "Mayer Bar”, a “Speed Sizer”, a roller doctor blade, an anilox roller or a “blade coater”.
  • the invention further comprises the use of the crepe papers according to the invention for the production of adhesive and masking tapes.
  • crepe papers according to the invention can also be used for the production of printed labels for the marking of moldings.
  • the crepe device used according to the invention for producing the crepe paper is shown in FIG. 1.
  • the scraper (2) which is provided with a cover sheet (3), bears against the crepe cylinder (1).
  • the scraper is connected to the scraper holder (4), which in turn is attached to the scraper bar (5).
  • the design of the scraper is illustrated in Figure 2.
  • the scraper has on its front side a grinding surface (6) and a scraping edge (7) which, according to the present invention, have a special grinding angle or a defined height.
  • FIGS. 3a, 3b, 4a and 4b the Bekk smoothness of a finished crepe paper (0) according to the present invention is compared with the smoothness of commercially available products (I) to (VII).
  • the illustrations show the superiority of the crepe papers according to the invention in terms of smoothness with high elongation at the same time, this superiority being particularly evident on the wire side.
  • the crepe paper according to the invention was impregnated with an aqueous dispersion based on styrene butadiene in an amount of 15 g / m 2. There was also a "release coat" on the top based on an aqueous dispersion of acrylate and fatty alcohol derivatives in an application quantity of 4 g / m2.
  • a primer was applied to the sieve side in an amount of 2 g / m2, which was composed of an aqueous dispersion of natural latex, acrylonitrile and styrene butadiene.
  • the base paper used corresponded to that of the following example.
  • a paper pulp formed on a paper machine in the usual way from half-bleached sulfate pulp was passed onto a crepe cylinder and removed from there by means of a scraper.
  • This scraper had a grinding angle of 41 °, a scraping edge with a height of 0.02 mm and was set at an angle of 6 ° with respect to the horizontal on the cylinder at the point of contact.
  • the speed difference between the creping cylinder and the subsequent transfer device was 18%, i.e. the transfer device moved relative to the cylinder with a delay of 18%.
  • the speed of the drying cylinder following the transfer device and the paper rewinder were increased again compared to the transfer device.
  • the speed deceleration between the crepe cylinder and the first drying cylinder was only 12.5% and between the crepe cylinder and the paper rewinder was 9.5%.
  • the crepe paper produced by the process according to the invention has not only a high elongation but also a high smoothness. This can greatly reduce the application of adhesive, particularly on the screen side of the paper, in the production of adhesive tapes and masking tapes. In order to achieve the same adhesive strength as with conventional crepe papers, at least 30% adhesive can be saved. As a result, the manufacturing costs for the adhesive tapes are greatly reduced and the productivity of the manufacturing process increases significantly.
  • the significantly higher smoothness compared to normal crepe paper also means that the fingers and skin of the user are better protected when using the crepe paper.
  • the masking tapes adhere better to one another.
  • the high smoothness, combined with a smaller application amount of adhesive and thus a smaller thickness of the adhesive tape also means that sharp lacquered edges can be produced at the junction between coated and covered areas with adhesive tape.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Sanitary Thin Papers (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
EP91110049A 1990-06-20 1991-06-19 Papier crêpé, procédé de fabrication et utilisation Expired - Lifetime EP0464470B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4019680A DE4019680C2 (de) 1990-06-20 1990-06-20 Kreppapiere, Verfahren zu ihrer Herstellung und Verwendung
DE4019680 1990-06-20

Publications (3)

Publication Number Publication Date
EP0464470A2 true EP0464470A2 (fr) 1992-01-08
EP0464470A3 EP0464470A3 (en) 1992-10-21
EP0464470B1 EP0464470B1 (fr) 1996-09-18

Family

ID=6408739

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91110049A Expired - Lifetime EP0464470B1 (fr) 1990-06-20 1991-06-19 Papier crêpé, procédé de fabrication et utilisation

Country Status (3)

Country Link
EP (1) EP0464470B1 (fr)
AT (1) ATE143076T1 (fr)
DE (2) DE4019680C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1791701B1 (fr) 2004-09-15 2016-11-09 Crane & Co., Inc. Dispositif de securite et nouveau produit anticontrefacon faisant appel a ce dispositif

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4330362A1 (de) * 1993-09-08 1995-03-09 Beiersdorf Ag Verwendung eines Papierträgers
FI108063B (fi) * 1997-09-09 2001-11-15 Runtech Systems Oy Menetelmä ja laitteisto materiaalirainan käsittelemiseksi
EP2386614A1 (fr) 2010-04-21 2011-11-16 Neenah Gessner GmbH Papier adhésif respectant l'environnement et bande adhésive fabriquée à partir de celui-ci
DE202010005924U1 (de) 2010-04-21 2010-07-29 Neenah Gessner Gmbh Umweltfreundliches Klebebandpapier und daraus hergestelltes Klebeband
JP6496705B2 (ja) 2016-12-16 2019-04-03 株式会社ダイセル 抄紙シート及び抄紙シートの製造方法
CN106868937A (zh) * 2016-12-29 2017-06-20 浙江宜佳新材料股份有限公司 一种高光泽浸渍纸的生产工艺

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2177856A1 (fr) * 1972-03-30 1973-11-09 Scott Paper Co
EP0213596A1 (fr) * 1985-08-27 1987-03-11 Kimberly-Clark Corporation Feuille de papier flexible, résistant et extensible, procédé pour sa formation et son utilisation
EP0279465A2 (fr) * 1987-02-20 1988-08-24 James River Corporation Matériau fibreux de support pour des rubans

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1150746A (fr) * 1959-02-24 1958-01-17 Henri Pouyet Ets Perfectionnement aux boîtes de raccordement pour canalisations électriques, plus spécialement pour câbles de campagne
DE3015733C2 (de) * 1980-04-24 1982-07-01 Beiersdorf Ag, 2000 Hamburg Verfahren zur Herstellung imprägnierter glatter oder gekreppter Papiere in einem Arbeitsgang auf der Papiermaschine und deren Verwendung als Trägermaterial für druckempfindliche Klebstoffschichten
WO1982000484A1 (fr) * 1980-07-25 1982-02-18 D Hanke Procede de production d'une feuille glacee mecaniquement

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2177856A1 (fr) * 1972-03-30 1973-11-09 Scott Paper Co
EP0213596A1 (fr) * 1985-08-27 1987-03-11 Kimberly-Clark Corporation Feuille de papier flexible, résistant et extensible, procédé pour sa formation et son utilisation
EP0279465A2 (fr) * 1987-02-20 1988-08-24 James River Corporation Matériau fibreux de support pour des rubans

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1791701B1 (fr) 2004-09-15 2016-11-09 Crane & Co., Inc. Dispositif de securite et nouveau produit anticontrefacon faisant appel a ce dispositif

Also Published As

Publication number Publication date
DE59108195D1 (de) 1996-10-24
DE4019680A1 (de) 1992-01-09
ATE143076T1 (de) 1996-10-15
DE4019680C2 (de) 1996-05-23
EP0464470A3 (en) 1992-10-21
EP0464470B1 (fr) 1996-09-18

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