RU98114993A - PROTECTED PAPER - Google Patents

PROTECTED PAPER

Info

Publication number
RU98114993A
RU98114993A RU98114993/12A RU98114993A RU98114993A RU 98114993 A RU98114993 A RU 98114993A RU 98114993/12 A RU98114993/12 A RU 98114993/12A RU 98114993 A RU98114993 A RU 98114993A RU 98114993 A RU98114993 A RU 98114993A
Authority
RU
Russia
Prior art keywords
fibers
polyvinyl alcohol
paper
amount
present
Prior art date
Application number
RU98114993/12A
Other languages
Russian (ru)
Other versions
RU2159826C2 (en
Inventor
Хаулэнд Пол
Пол Фоулкс Джонатан
Original Assignee
Порталс Лимитед
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
Priority claimed from GB9600686A external-priority patent/GB2309039B/en
Application filed by Порталс Лимитед filed Critical Порталс Лимитед
Publication of RU98114993A publication Critical patent/RU98114993A/en
Application granted granted Critical
Publication of RU2159826C2 publication Critical patent/RU2159826C2/en

Links

Claims (7)

1. Способ производства защищенной бумаги, такой, как бумага для банкнот, включающий приготовление суспензии для производства бумаги, содержащей волокна целлюлозы и волокна поливинилового спирта, причем волокна целлюлозы присутствуют в количестве, по крайней мере, 80 вес.% общего веса волокон в суспензии, отличающийся тем, что волокна поливинилового спирта растворимы в воде при температуре 95 - 100°С и имеют длину 3 - 5 мм, причем суспензию для производства бумаги, включающую волокна целлюлозы и волокна поливинилового спирта обезвоживают на тисненой проволочной сетке, в которой тиснение создает профиль в виде чередующихся выступов и впадин, соответствующих светлым и темным местам водяного знака, и таким способом сформированная бумага с рисунком водяного знака после обезвоживания соответственно сушат, в результате чего получают защищенную бумагу.1. A method of manufacturing security paper, such as banknote paper, comprising preparing a suspension for the manufacture of paper containing cellulose fibers and polyvinyl alcohol fibers, the cellulose fibers being present in an amount of at least 80% by weight of the total weight of the fibers in suspension, characterized in that the polyvinyl alcohol fibers are soluble in water at a temperature of 95-100 ° C and have a length of 3-5 mm, the suspension for paper production including cellulose fibers and polyvinyl alcohol fibers being dehydrated a wire mesh in which embossing creates a profile in the form of alternating protrusions and depressions corresponding to the light and dark places of the watermark, and in this way the formed paper with the watermark pattern is accordingly dried after dehydration, as a result of which a protected paper is obtained. 2. Способ по п. 1, отличающийся тем, что волокна целлюлозы присутствуют в количестве, по крайней мере, 90 вес.% от общего веса волокон. 2. The method according to p. 1, characterized in that the cellulose fibers are present in an amount of at least 90 wt.% Of the total weight of the fibers. 3. Способ по п. 1 или 2, отличающийся тем, что упомянутые волокна поливинилового спирта присутствуют в количестве 2 - 10 вес.% от общего веса волокон. 3. The method according to p. 1 or 2, characterized in that the said polyvinyl alcohol fibers are present in an amount of 2 to 10 wt.% Of the total weight of the fibers. 4. Способ по п. 3, отличающийся тем, что упомянутые волокна поливинилового спирта присутствуют в количестве 4 - 8 вес.%, основанному на весе волокон. 4. The method according to p. 3, characterized in that the said polyvinyl alcohol fibers are present in an amount of 4 to 8 wt.%, Based on the weight of the fibers. 5. Способ по любому из предыдущих пунктов, отличающийся тем, что волокна поливинилового спирта имеют титр 0,3 - 2 денье, предпочтительно 1 денье. 5. The method according to any one of the preceding paragraphs, characterized in that the polyvinyl alcohol fibers have a titer of 0.3 to 2 denier, preferably 1 denier. 6. Способ по любому из предыдущих пунктов, отличающийся тем, что волокна поливинилового спирта имеют сердцевину, образованную каким-либо другим полимерным материалом, образующим волокна. 6. The method according to any of the preceding paragraphs, characterized in that the polyvinyl alcohol fibers have a core formed by any other polymeric material that forms the fibers. 7. Способ по п. 6, отличающийся тем, что сердцевина образована полиэфиром, полиамидом или вискозой. 7. The method according to p. 6, characterized in that the core is formed by polyester, polyamide or viscose.
RU98114993/12A 1996-01-12 1996-12-18 Protected paper RU2159826C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9600686.1 1996-01-12
GB9600686A GB2309039B (en) 1996-01-12 1996-01-12 Security paper

Publications (2)

Publication Number Publication Date
RU98114993A true RU98114993A (en) 2000-09-27
RU2159826C2 RU2159826C2 (en) 2000-11-27

Family

ID=10786990

Family Applications (1)

Application Number Title Priority Date Filing Date
RU98114993/12A RU2159826C2 (en) 1996-01-12 1996-12-18 Protected paper

Country Status (26)

Country Link
US (1) US6063239A (en)
EP (1) EP0873448B1 (en)
JP (1) JP2000503077A (en)
KR (1) KR100374896B1 (en)
CN (1) CN1085277C (en)
AT (1) ATE186344T1 (en)
AU (1) AU715428B2 (en)
BG (1) BG62979B1 (en)
BR (1) BR9612585A (en)
CA (1) CA2242551C (en)
CZ (1) CZ291599B6 (en)
DE (1) DE69605059T2 (en)
EG (1) EG21483A (en)
ES (1) ES2140916T3 (en)
GB (1) GB2309039B (en)
HU (1) HUP9903866A3 (en)
ID (1) ID15823A (en)
IN (1) IN189655B (en)
MX (1) MX9805632A (en)
PL (1) PL185971B1 (en)
RU (1) RU2159826C2 (en)
TR (1) TR199801264T2 (en)
TW (1) TW344772B (en)
UA (1) UA49870C2 (en)
WO (1) WO1997025476A1 (en)
ZA (1) ZA97212B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2804448B1 (en) * 2000-02-01 2002-04-05 Arjo Wiggins Sa SECURITY PAPER COMPRISING A SECURITY ZONE, METHOD FOR PRODUCING SUCH PAPER AND DEVICE FOR CARRYING OUT SAID METHOD
FR2804447B1 (en) * 2000-02-01 2002-04-05 Arjo Wiggins Sa PAPER COMPRISING A MULTI-TONING FILIGRANE AND CANVAS FOR MANUFACTURING THIS PAPER
US6759001B2 (en) * 2000-05-19 2004-07-06 The Nippon Synthetic Chemical Industry Co., Ltd. Method for producing embossed poly(vinyl alcohol) film
SE516625C2 (en) * 2000-06-20 2002-02-05 Holmen Ab Security paper / board and process for making them
GB2382325B8 (en) * 2001-11-26 2008-06-05 Rue De Int Ltd Improvements in paper
DE10243653A1 (en) * 2002-09-19 2004-04-01 Giesecke & Devrient Gmbh security paper
DE10327083A1 (en) * 2003-02-11 2004-08-19 Giesecke & Devrient Gmbh Security paper, for the production of bank notes, passports and identity papers, comprises a flat substrate covered with a dirt-repellent protective layer comprising at least two lacquer layers
GB2400075B (en) * 2003-04-03 2005-03-02 Rue De Int Ltd Improvements in sheets
GB0307755D0 (en) * 2003-04-03 2003-05-07 Rue De Int Ltd Improvements in sheets
US8012309B2 (en) * 2007-01-12 2011-09-06 Cascades Canada Ulc Method of making wet embossed paperboard
US20080169072A1 (en) * 2007-01-12 2008-07-17 Cascades Canada Inc. Wet Embossed Paperboard and Method and Apparatus for Manufacturing Same
JP2009057668A (en) * 2007-09-03 2009-03-19 National Printing Bureau Multi-ply paper and method for producing the same
FR2922227B1 (en) * 2007-10-12 2009-12-18 Arjowiggins Licensing Sas SHEET COMPRISING AT LEAST ONE OBSERVABLE WATERMARK ON ONE SIDE OF THE SHEET
CN101377063B (en) * 2008-10-13 2011-06-29 中国印钞造币总公司 Reinforcing fiber for making paper and preparing method thereof as well as paper product containing the same
CN101381975B (en) * 2008-10-15 2010-08-25 中国印钞造币总公司 Transparent fibre, method for making same and paper products with the fibre
FI121478B (en) * 2009-05-18 2010-11-30 Sinoco Chemicals Improving the strength of paper and board products
BE1019219A3 (en) * 2010-05-28 2012-04-03 Token Bvba B DEGRADABLE PAYMENT, PROOF OR PROMOTIONAL.
CN102418300B (en) * 2011-08-31 2013-06-26 保定钞票纸业有限公司 Anti-counterfeit paper added with anti-counterfeit short fiber and manufacturing method thereof
RU2502842C1 (en) * 2012-11-23 2013-12-27 Федеральное Государственное Унитарное Предприятие "Гознак" (Фгуп "Гознак") Method of papermaking with protecting element, protecting element and method of its production
JP6781691B2 (en) * 2015-02-27 2020-11-04 特種東海製紙株式会社 Wrapping paper
WO2024008794A1 (en) * 2022-07-06 2024-01-11 Omya International Ag In-situ patterning of fibre articles

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1616222A (en) * 1922-05-18 1927-02-01 American Writing Paper Company Fourdrinier-wire screen
GB895081A (en) * 1959-02-27 1962-05-02 Kurashiki Rayon Kk Papers and unwoven cloths containing synthetic fibres of polyvinyl alcohol
NL280757A (en) * 1961-07-10
DE1411338A1 (en) * 1968-07-25 1969-01-30 Huber Dr Otto Porous plastic-containing paper
GB1283405A (en) * 1969-08-13 1972-07-26 Kuraray Co A process for the production of water-resistant paper or non-woven fabric
NL7907748A (en) * 1978-10-23 1980-04-25 Kuraray Co POLYVINYL ALCOHOL FIBER AND METHOD FOR MANUFACTURING THE SAME
US4534398A (en) * 1984-04-30 1985-08-13 Crane & Co. Security paper
JPH07113199B2 (en) * 1987-04-16 1995-12-06 ユニチカ株式会社 Re-degradable paper
MY102798A (en) * 1987-12-04 1992-10-31 Portals Ltd Security paper for bank notes and the like
NL9301835A (en) * 1993-10-22 1995-05-16 Vhp Ugchelen Bv Method of making paper intended to be used for securities, and securities obtained from said paper

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