DE102007005218B4 - Sack of paper material - Google Patents

Sack of paper material Download PDF

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Publication number
DE102007005218B4
DE102007005218B4 DE102007005218A DE102007005218A DE102007005218B4 DE 102007005218 B4 DE102007005218 B4 DE 102007005218B4 DE 102007005218 A DE102007005218 A DE 102007005218A DE 102007005218 A DE102007005218 A DE 102007005218A DE 102007005218 B4 DE102007005218 B4 DE 102007005218B4
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DE
Germany
Prior art keywords
paper material
flame retardant
sack
paper
salt
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.)
Expired - Fee Related
Application number
DE102007005218A
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German (de)
Other versions
DE102007005218A1 (en
Inventor
Hans-Joachim Wichmann
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.)
Mondi AG
Original Assignee
Mondi AG
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 Mondi AG filed Critical Mondi AG
Priority to DE102007005218A priority Critical patent/DE102007005218B4/en
Priority to US12/019,854 priority patent/US20080182050A1/en
Priority to PL08001490T priority patent/PL1950344T3/en
Priority to AT08001490T priority patent/ATE552380T1/en
Priority to EP08001490A priority patent/EP1950344B1/en
Priority to CA002620920A priority patent/CA2620920A1/en
Publication of DE102007005218A1 publication Critical patent/DE102007005218A1/en
Application granted granted Critical
Publication of DE102007005218B4 publication Critical patent/DE102007005218B4/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • D21H5/00—Special paper or cardboard not otherwise provided for
    • D21H5/0002—Flame-resistant papers; (complex) compositions rendering paper fire-resistant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/02—Bags or like containers made of paper and having structural provision for thickness of contents with laminated walls
    • 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
    • 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
    • D21H21/34—Ignifugeants
    • 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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/10—Packing paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2213/00—Safety means
    • B65D2213/02—Means for preventing buil-up of electrostatic charges
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1303—Paper containing [e.g., paperboard, cardboard, fiberboard, etc.]
    • Y10T428/1307—Bag or tubular film [e.g., pouch, flexible food casing, envelope, etc.]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Packages (AREA)
  • Bag Frames (AREA)
  • Conductive Materials (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)

Abstract

The sack, mainly of a paper material, contains an additive of a conductive water-soluble salt so that it is anti-static, together with a non-flammable additive. The concentration is set to give a bleeder resistor of = 10 9>ohm. The non-flammable additive is an alkali- or earth alkali- or ammonium-pyrophosphate in a concentration of +- 20 wt.%.

Description

Die Erfindung betrifft einen Sack mit einer zumindest überwiegend aus Papiermaterial gebildeten Wandung, wobei das Papiermaterial durch Zugabe eines leitfähigen Salzes antistatisch ausgerüstet ist.The The invention relates to a bag with an at least predominantly formed from paper material wall, wherein the paper material by adding a conductive Salt antistatic equipped is.

Die Erfindung betrifft ferner die Verwendung eines Flammenschutzmittels als Zusatz zu Papiermaterial.The The invention further relates to the use of a flame retardant as an addition to paper material.

Säcke werden üblicherweise aus Papiermaterial, beispielsweise Kraftpapier, hergestellt. Dabei kann die Wandung eines Sackes aus mehreren Papierlagen bestehen, zwischen denen häufig auch eine Kunststofflage als Feuchtigkeitssperre eingelegt ist.Bags are usually made of paper material, such as kraft paper. It can the wall of a sack consist of several layers of paper, between often Also, a plastic layer is inserted as a moisture barrier.

Derartige Säcke dienen als Transportverpackung für Schüttgüter unterschiedlichster Art. Demzufolge werden derartige Säcke auch in explosionsgefährdeten Umgebungen verwendet. Daher ist es für zahlreiche Anwendungsfälle wichtig, dass das Material der Sackwandungen keinen statischen elektrischen Aufladungen unterworfen ist, die sich in Form eines Funkens entladen und daher eine Explosion o. dgl. auslösen könnten.such Serve sacks as transport packaging for Bulk materials of various kinds Art. As a result, such bags are also at risk of explosion Environments used. Therefore, it is important for many applications that the material of the bag walls no static electrical Subject to discharges that discharge in the form of a spark and therefore an explosion or the like could trigger.

Es ist daher bekannt, das Papiermaterial von Sackwandungen antistatisch auszurüsten. Von einer antistatischen Ausrüstung spricht man dann, wenn der Ableitwiderstand des Papiermaterials < 109 Ω ist. Die antistatische Ausrüstung eines derartigen Sackmaterials lässt sich in bekannter Weise durch die Zugabe von geeigneten leitfähigen Salzen herstellen, die leicht dissoziieren und neutral sein sollten, wie beispielsweise Natriumsulfat.It is therefore known to provide the paper material of bag walls antistatic. An anti-static equipment is used when the discharge resistance of the paper material is <10 9 Ω. The antistatic finish of such a sack material can be prepared in a known manner by the addition of suitable conductive salts which should be readily dissociated and neutral, such as sodium sulfate.

Es ist bekannt, Zellulosematerialien, insbesondere Holz und Textilien, flammhemmend auszubilden, indem die Materialien mit einem Flammschutzmittel versetzt werden. Die Flammschutzmittel haben die Funktion, bei auftretenden höheren Temperaturen chemisch so zu reagieren, dass etwa gebildete Flammen erstickt werden, beispielsweise indem bei der Reaktion des Flammschutzmittels CO2 entsteht. Eine andere Art von Flammschutzmittel setzt bei der Reaktion Wasser frei, das die Verbrennung behindert. Bekannte flammhemmende Zusatzstoffe sind Halogen-, Phosphor-, Bor- oder Stickstoffverbindungen. Geeignet sind beispielsweise Pyrophosphate (Diphosphate). Durch DE 10 2004 058 842 A1 wird eine Lehre offenbart, zu einem Papier- oder Pappwerkstoff Borax als Flammschutzmittel in einer hohen Konzentration zuzugeben. Hierfür wird das Borax in übersättigter Form zusammen mit Ammoniumphosphat zugegeben. Die Herstellung eines derart ausgebildeten Sackmaterials ist dabei nicht offenbart.It is known to form cellulosic materials, especially wood and textiles, flame retardant by the materials are mixed with a flame retardant. The flame retardants have the function of chemically reacting at higher temperatures occurring so that any formed flames are stifled, for example by CO 2 is formed in the reaction of the flame retardant. Another type of flame retardant releases water during the reaction, which hinders combustion. Known flame retardant additives are halogen, phosphorus, boron or nitrogen compounds. Suitable examples are pyrophosphates (diphosphates). By DE 10 2004 058 842 A1 teaches to add borax as a flame retardant in a high concentration to a paper or cardboard material. For this purpose, the borax is added in supersaturated form together with ammonium phosphate. The production of such a trained bag material is not disclosed.

Es ist nicht üblich, Sackmaterialien mit flammhemmenden Zusätzen zu versehen, weil Papiersäcke in gemäßigten Klimazonen eine ausreichende Restfeuchte besitzen, durch die eine Entflammung von Haus aus erschwert ist. Die intrinsische flammhemmende Eigenschaft von zu einem Sack verarbeiteten Papiermaterialien geht nur dann verloren, wenn der Sack längere Zeit in sehr trockenen und warmen Umgebungsbedingungen gelagert wird.It not usual, To provide bag materials with flame-retardant additives, because paper sacks in temperate climates have sufficient residual moisture through which a fire made difficult by the house. The intrinsic flame retardant property of sack-processed paper materials is lost only if the bag is longer Time is stored in very dry and warm ambient conditions.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, einen antistatisch ausgerüsteten Sack mit einem Zusatznutzen zu versehen.Of the present invention is based on the object, an antistatic equipped To provide bag with an added benefit.

Zur Lösung dieser Aufgabe ist erfindungsgemäß ein Sack der eingangs erwähnten Art dadurch gekennzeichnet, dass das zur antistatischen Ausrüstung des Papierma terials zugegebene leitfähige Salz ein Flammschutzmittel ist, das dem Papiermaterial in einer solchen Konzentration zugegeben ist, dass der Ableitwiderstand < 109 Ω ist.To achieve this object, a sack of the type mentioned above is characterized in that the terials added to the antistatic equipment Papierma conductive salt is a flame retardant, which is added to the paper material in such a concentration that the bleeder <10 9 Ω.

Der erfindungsgemäße Sack enthält somit lediglich ein Additiv, mit dem sowohl die antistatische Ausbildung als auch eine flammhemmende Eigenschaft erzielt wird.Of the bag according to the invention contains thus only an additive with which both the antistatic training as well as a flame-retardant property is achieved.

Dies wird dadurch erreicht, dass für die antistatische Ausbildung des Sackmaterials nicht ein herkömmliches Salz verwendet wird, sondern ein Additiv, das als Flammschutzmittel geeignet ist. Dieses Additiv muss allerdings in einer hohen Konzentration zugegeben werden, die im Allgemeinen höher liegt als die übliche Zugabekonzentration für die üblicherweise verwendeten Salze zur Ausbildung eines antistatischen Sackes. Demgemäß ist bei der Zugabe des Flammschutzmittels darauf zu achten, dass die Konzentration so hoch ist, dass der Ableitwiderstand < 109 Ω ist. Erfindungsgemäß lässt sich ein Ableitwiderstand von ≤ 108 Ω erreichen.This is achieved by using not a conventional salt for the antistatic formation of the sack material, but an additive which is suitable as a flame retardant. However, this additive must be added in a high concentration, which is generally higher than the usual addition concentration for the commonly used salts to form an antistatic bag. Accordingly, care should be taken when adding the flame retardant that the concentration is so high that the leakage resistance is <10 9 Ω. According to the invention, a leakage resistance of ≦ 10 8 Ω can be achieved.

Die vorliegende Erfindung geht daher von der Erkenntnis aus, dass ein als Flammschutzmittel verwendbares Salz in einer genügend hohen Konzentration auch zur antistatischen Ausbildung des Papiersackmaterials geeignet ist. Demgemäß ist der erfindungsgemäße Papiersack mit der Zugabe eines einzigen Additivs nicht nur antistatisch sondern auch flammhemmend ausgerüstet. Der entsprechende Sack ist daher beispielsweise für den Export in trockene und warme Klimazonen geeignet, weil er auch dort – anders als die herkömmlichen Papiersäcke – flammhemmende Eigenschaften aufweist.The The present invention is therefore based on the recognition that a as a flame retardant usable salt in a sufficiently high Concentration also for the antistatic formation of the paper bag material suitable is. Accordingly, the paper bag according to the invention with the addition of a single additive not only antistatic but also flame-retardant. The corresponding bag is therefore for example for export in dry and warm climates, because he is there - different as the conventional ones Paper sacks - flame retardant Features.

Das Flammschutzmittel ist vorzugsweise ein anorganisches Halogen-, Phosphor- oder Borsalz oder ein Stickstoffverbindungen enthaltendes Salz. Bevorzugt ist die Verwendung eines Alkali-, Erdalkali- oder Ammoniumpyrophosphats.The Flame retardant is preferably an inorganic halogen, phosphorus or boron salt or a salt containing nitrogen compounds. Preferably, the Use of an alkali, alkaline earth or ammonium pyrophosphate.

Die Zugabe des Flammschutzmittels erfolgt mit einer Konzentration von vorzugsweise ≥ 20 Gew.-%, bezogen auf das Papiermaterial.The Add the flame retardant with a concentration of preferably ≥ 20% by weight, based on the paper material.

Der Kern der vorliegenden Erfindung liegt somit in der Verwendung eines Flammschutzmittels als Zusatz zu einem Papiermaterial, das zumindest als überwiegende Komponente zur Herstellung einer Sackwandung dient, wobei die Zugabe in einer solchen Konzentration erfolgt, dass der Ableitwiderstand des Papiermaterials < 109 Ω, vorzugsweise ≤ 108 Ω beträgt.The core of the present invention thus lies in the use of a flame retardant as an additive to a paper material which serves at least as a predominant component for producing a bag wall, wherein the addition takes place in such a concentration that the discharge resistance of the paper material <10 9 Ω, preferably ≤ 10 8 Ω.

Die Zugabe des Flammschutzmittels in der erfindungsgemäßen Konzentration erfordert eine gewisse Sorgfalt, da das üblicherweise geleimte Papiermaterial die wässrige Lösung des Salzes nur zögernd aufnimmt.The Addition of the flame retardant in the concentration according to the invention requires a certain care, since the usually sized paper material the watery solution of salt only hesitantly receives.

Claims (6)

Sack mit einer zumindest überwiegend aus Papiermaterial gebildeten Wandung, wobei das Papiermaterial durch Zugabe eines leitfähigen Salzes antistatisch ausgerüstet ist, dadurch gekennzeichnet, dass das zur antistatischen Ausrüstung des Papiermaterials zugegebene leitfähige Salz ein Flammschutzmittel ist, das dem Papiermaterial in einer solchen Konzentration zugegeben ist, dass der Ableitwiderstand < 109 Ω ist.A sack having a wall formed at least predominantly of paper material, wherein the paper material is antistatically finished by adding a conductive salt, characterized in that the conductive salt added for antistatic finishing of the paper material is a flame retardant added to the paper material in such a concentration that the leakage resistance is <10 9 Ω. Sack nach Anspruch 1, dadurch gekennzeichnet, dass das Flammschutzmittel ein organisches Halogen-, Phosphor-, oder Borsalz oder ein Stickstoffverbindungen enthaltendes Salz ist.Sack according to claim 1, characterized in that the flame retardant is an organic halogen, phosphorus, or Boron salt or a nitrogen compounds containing salt. Sack nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Salz wasserlöslich ist.Sack according to claim 1 or 2, characterized that the salt is water-soluble is. Papiersack nach Anspruch 2 und 3, dadurch gekennzeichnet, dass das Flammschutzmittel ein Alkali-, Erdalkali- oder Ammoniumpyrophosphat ist.Paper bag according to claims 2 and 3, characterized that the flame retardant is an alkali, alkaline earth or ammonium pyrophosphate is. Sack nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das Papiermaterial mit ≥ 20 Gew.-% Flammschutzmittel versetzt ist.Sack according to one of claims 1 to 4, characterized that the paper material is ≥ 20 Wt .-% flame retardant is added. Verwendung eines Flammschutzmittels als Zusatz zu Papiermaterial, dadurch gekennzeichnet, dass es zu einem Papiermaterial, das zumindest als überwiegende Komponente zur Herstellung einer Sackwandung dient, in einer solchen Konzentration zugegeben wird, dass der Ableitwiderstand des Papiermaterials < 109 Ω beträgt.Use of a flame retardant as an additive to paper material, characterized in that it is added to a paper material which serves at least as the predominant component for producing a bag wall in such a concentration that the discharge resistance of the paper material is <10 9 Ω.
DE102007005218A 2007-01-29 2007-01-29 Sack of paper material Expired - Fee Related DE102007005218B4 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE102007005218A DE102007005218B4 (en) 2007-01-29 2007-01-29 Sack of paper material
US12/019,854 US20080182050A1 (en) 2007-01-29 2008-01-25 Paper material bag
PL08001490T PL1950344T3 (en) 2007-01-29 2008-01-28 Bag made from paper material
AT08001490T ATE552380T1 (en) 2007-01-29 2008-01-28 SACK MADE OF PAPER MATERIAL
EP08001490A EP1950344B1 (en) 2007-01-29 2008-01-28 Bag made from paper material
CA002620920A CA2620920A1 (en) 2007-01-29 2008-01-29 Paper material bag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007005218A DE102007005218B4 (en) 2007-01-29 2007-01-29 Sack of paper material

Publications (2)

Publication Number Publication Date
DE102007005218A1 DE102007005218A1 (en) 2008-08-07
DE102007005218B4 true DE102007005218B4 (en) 2010-09-30

Family

ID=39312989

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102007005218A Expired - Fee Related DE102007005218B4 (en) 2007-01-29 2007-01-29 Sack of paper material

Country Status (6)

Country Link
US (1) US20080182050A1 (en)
EP (1) EP1950344B1 (en)
AT (1) ATE552380T1 (en)
CA (1) CA2620920A1 (en)
DE (1) DE102007005218B4 (en)
PL (1) PL1950344T3 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004058842A1 (en) * 2004-12-06 2006-06-08 Franz Hubert Lott Gmbh & Co. Kg Feinpappenwerk Und Kunststoffverarbeitung Non-flammable or flame-retardant flat paper or board material and method for its production

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH321212A (en) 1953-08-26 1957-04-30 Ciba Geigy Process for making non-textile cellulosic material flame resistant, such as wood and paper
US3770577A (en) * 1969-09-23 1973-11-06 Humphrey Chem Corp Fire retardant paper and paper board
GB1373700A (en) 1973-06-06 1974-11-13 Cooke Ltd Henry Flame-proofing of paper
US4286710A (en) * 1979-11-28 1981-09-01 Higgins Janet D Christmas candle package
US4797010A (en) * 1987-09-22 1989-01-10 Nabisco Brands, Inc. Reheatable, resealable package for fried food
US6156240A (en) * 1997-07-23 2000-12-05 Blount; David H. Flame retardant polynitrogen containing salt of boron compound

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004058842A1 (en) * 2004-12-06 2006-06-08 Franz Hubert Lott Gmbh & Co. Kg Feinpappenwerk Und Kunststoffverarbeitung Non-flammable or flame-retardant flat paper or board material and method for its production

Also Published As

Publication number Publication date
US20080182050A1 (en) 2008-07-31
PL1950344T3 (en) 2012-09-28
EP1950344A1 (en) 2008-07-30
ATE552380T1 (en) 2012-04-15
DE102007005218A1 (en) 2008-08-07
EP1950344B1 (en) 2012-04-04
CA2620920A1 (en) 2008-07-29

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Effective date: 20130801