EP0844186B1 - Verpackung für Reaktions-Heissschmelzkleber - Google Patents

Verpackung für Reaktions-Heissschmelzkleber Download PDF

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Publication number
EP0844186B1
EP0844186B1 EP97402671A EP97402671A EP0844186B1 EP 0844186 B1 EP0844186 B1 EP 0844186B1 EP 97402671 A EP97402671 A EP 97402671A EP 97402671 A EP97402671 A EP 97402671A EP 0844186 B1 EP0844186 B1 EP 0844186B1
Authority
EP
European Patent Office
Prior art keywords
container
moisture
adhesive
packaging
melt adhesive
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 - Lifetime
Application number
EP97402671A
Other languages
English (en)
French (fr)
Other versions
EP0844186A1 (de
Inventor
Céline Lardoux
Christian Laurichesse
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.)
Bostik SA
Original Assignee
Bostik Findley SA
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 Bostik Findley SA filed Critical Bostik Findley SA
Publication of EP0844186A1 publication Critical patent/EP0844186A1/de
Application granted granted Critical
Publication of EP0844186B1 publication Critical patent/EP0844186B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/22—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines with double walls; with walls incorporating air-chambers; with walls made of laminated material

Definitions

  • the subject of the present invention is a method of packaging compositions hot-melt adhesives crosslinkable by moisture and adhesive compositions thus obtained.
  • Hot-melt adhesives are generally used in the molten or liquid state and they acquire their adhesive properties by cooling by becoming solid.
  • Crosslinkable hot-melt adhesives in particular those containing isocyanate groups, are widely used to assemble various materials such as wood, plastic, paper or cardboard due to their mechanical strength and their great thermal stability.
  • Such properties are mainly due to the fact that, afterwards on bonding, the reactive groups of the adhesive crosslink by reaction with water.
  • compositions which are called reactants, must be preserved from any premature crosslinking so that they maintain good performance and good homogeneity at the time of bonding.
  • the most common packaging consists of a simple container inside which a flexible barrier film is placed, most often in the form of a bag, said container possibly having a lid fitted with a seal waterproof.
  • EP-A-661221 it is proposed to pour the adhesive into a container primary in rigid material, the latter being placed in a secondary container of size and shape substantially identical to the first.
  • the free surface of the adhesive is coated with a flexible film having reduced permeability to water vapor, and the whole is closed by a sealed cover.
  • EP-A-469 564 and EP-A-649 718 it is proposed to package one or more several portions of adhesive in a flexible and compatible envelope during fusion, and to place the assembly thus formed in a second package, for example an envelope or container.
  • the first two aforementioned packages require the transfer of the adhesive in the applicator device, which is generally achieved by means a heating plate.
  • the first container there is a risk that the film internal tear or that the entire adhesive cannot be recovered due to film folds formed when filling the container.
  • the last packaging mentioned requires the implementation of a step of shaping and conditioning the adhesive portion (s) which is relatively more complex and expensive than a simple distribution in the molten state.
  • the present invention provides a new method of packaging reactive hot melt adhesive compositions, more particularly with high power sticky and without substantial shrinkage, which makes it possible to obtain adhesives which can be used directly in a melter.
  • Figure 1 shows a longitudinal section of the packaging used in the method according to the invention: the packaging consists of a container (1) whose wall inner has a non-stick coating (2) and the outer wall is made a moisture-proof material (3), and a cover (4) also moisture proof.
  • FIG. 2 shows an overview of the packaging according to two preferred variants.
  • the wall forming the bottom (6) of the container and the cover (4) consist of a rigid metal plate crimped onto the body of the container.
  • the container body is provided internally a primer (8a) covered by a protection (9) and extended by a tongue (8b).
  • the reactive hot-melt adhesive composition is chosen from among the compositions which can be crosslinked with moisture, preferably with a high tackiness and do not representing substantially no volume contraction after cooling (withdrawal).
  • compositions containing silanes or isocyanates free or in the form of a prepolymer may include diphenylmethane diisocyanate (MDI), toluene diisocyanate (TDI), isophorone diisocyanate (IPDI), tetramethylxylene diisocyanate (TMXDI) and metavinyl-benzene isocyanate (m-TMI).
  • MDI diphenylmethane diisocyanate
  • TDI toluene diisocyanate
  • IPDI isophorone diisocyanate
  • TMXDI tetramethylxylene diisocyanate
  • m-TMI metavinyl-benzene isocyanate
  • the packaging consisting of the container (1) and the internal coatings (2) and external (3) generally has a volume compatible with storage and easy handling.
  • This volume can, for example, be between 0.5 and 5 liters, and preferably 1 to 3 liters and better still of the order of two liters.
  • the packaging can have any shape. However it is generally chosen so that the adhesive obtained after removing the packaging has a shape compatible with the melter of the application device. So preferred, the package has a cylindrical shape.
  • the container (1) is generally made of a material sufficiently rigid to allow easy transport and handling.
  • the container is obtained by spiraling and gluing kraft leaves.
  • the nature of the coating (2) can vary depending on the sticky appearance and the reactivity of the adhesive.
  • the coating is generally made of a material which does not adhere to the adhesive.
  • polymers based on silicones or fluorinated compounds such as polytetrafluoroethylene (PTFE), polychlorotrifluoroethylene (PCTFE), polyvinylidene fluoride (PVDF), perfluorinated poly (ethylene-propylene) (FEP) and ethylene-PTFE (ETFE) copolymers.
  • silicones are used.
  • the coating (2) can be implemented from a resin or a varnish. It advantageously has a low permeability to water vapor.
  • the coating (3) is generally chosen from among the materials to be tested moisture, i.e. which is not substantially permeable to water.
  • metal and advantageously aluminum are used.
  • the rigid or flexible cover (4) is generally made of a material to the humidity test as described above.
  • the cover is made of metal.
  • the cover When the cover is flexible, it is advantageously in the form of a lid which can be fixed on the container by thermal sealing in the presence of a varnish. This assembly is advantageously completed with an additional cover covering the cover to protect it from any tears during transport or storage.
  • This cover can be made of metal, plastic or any other material, preferably plastic.
  • the container body has a primer to facilitate opening of the packaging.
  • primer is meant here any means allowing to weaken the container in one or more places to orient the opening.
  • the tongue (8a), arranged inside the container is in contact with the coating (2) and can be fixed indifferently to the bottom (6) or to the cover (4).
  • This tab has a free end (8b) for gripping.
  • the adhesive composition thus packaged can be easily released from its packaging at the time of use by handling the primer and be placed in a melter.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Packages (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Claims (6)

  1. Verfahren zur Verpackung von durch Feuchtigkeit vernetzbaren Schmelzkleberzusammensetzungen, dadurch gekennzeichnet, daß es darin besteht:
    die Kleberzusammensetzung im geschmolzenen Zustand direkt in einen Behälter (1) zu gießen, der innen mit einem Antihaftmaterial (2) und außen mit einem feuchtigkeitsbeständigen Material (3) ausgekleidet ist, wobei der Körper des Behälters mit mindestens einem leicht zu öffnenden Anriß versehen ist,
    und einen feuchtigkeitsbeständigen Deckel (4) an der freien Fläche des Behälters zu befestigen.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß das Material (2) aus den Polymeren auf der Basis von Siliconen oder von fluorierten Verbindungen ausgewählt wird.
  3. Verfahren nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß das Material (3) aus den Metallen und den Polymeren ausgewählt wird.
  4. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Kleberzusammensetzung Silane oder Isocyanate enthält.
  5. Verfahren nach Anspruch 4, dadurch gekennzeichnet, daß der Kleber keine wesentliche Schrumpfung aufweist.
  6. Durch Feuchtigkeit vernetzbare Schmelzkleberzusammensetzungen, die gemäß dem Verfahren nach einem der Ansprüche 1 bis 5 verpackt werden.
EP97402671A 1996-11-22 1997-11-07 Verpackung für Reaktions-Heissschmelzkleber Expired - Lifetime EP0844186B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9614298A FR2756258B1 (fr) 1996-11-22 1996-11-22 Emballage d'adhesifs thermofusibles reactifs
FR9614298 1996-11-22

Publications (2)

Publication Number Publication Date
EP0844186A1 EP0844186A1 (de) 1998-05-27
EP0844186B1 true EP0844186B1 (de) 2003-02-12

Family

ID=9497913

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97402671A Expired - Lifetime EP0844186B1 (de) 1996-11-22 1997-11-07 Verpackung für Reaktions-Heissschmelzkleber

Country Status (6)

Country Link
US (1) US5992130A (de)
EP (1) EP0844186B1 (de)
JP (1) JP3327384B2 (de)
CA (1) CA2219845C (de)
DE (1) DE69718992T2 (de)
FR (1) FR2756258B1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR0016202A (pt) 1999-12-10 2002-08-13 Henkel Kgaa Tambor de embalagem com um adesivo fundido e enchimento do adesivo
TR200400866T4 (tr) 2001-01-30 2004-06-21 Seda S.P.A Karton içecek konteyneri ve bunu üretmek için yöntem
WO2005118459A1 (en) * 2004-05-18 2005-12-15 Garry Tsaur Tube filling process for liquid filled cotton swabs
BRPI0601188B1 (pt) 2005-04-15 2018-06-26 Seda S.P.A. Recipiente isolado; método de fabricar o mesmo e aparelho para a fabricação
DE202005014177U1 (de) 2005-09-08 2005-11-17 Seda S.P.A., Arzano Doppelwandiger Becher
DE202005014738U1 (de) 2005-09-19 2007-02-08 Seda S.P.A., Arzano Behälter und Zuschnitt
DE602005005493T3 (de) 2005-11-11 2014-04-24 Seda S.P.A. Isolierbecher
EP1785265A1 (de) 2005-11-14 2007-05-16 SEDA S.p.A. Vorrichtung zur Ausformung eine Stapelwulst an einer Behälterwand und Behälter mit derselben
JP4986143B2 (ja) * 2006-05-29 2012-07-25 横浜ゴム株式会社 接着剤固形物の包装構造
DE202006018406U1 (de) 2006-12-05 2008-04-10 Seda S.P.A. Verpackung
DE102011086366A1 (de) * 2011-11-15 2013-05-16 Evonik Degussa Gmbh Verbundfolie und daraus hergestellte Verpackungen
CN103208834A (zh) * 2013-03-19 2013-07-17 广西十方科技有限公司 智能防水防断电充电桩
CN103136868A (zh) * 2013-03-19 2013-06-05 广西十方科技有限公司 智能防水充电桩

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2041974A (en) * 1934-05-19 1936-05-26 Jesse B Hawley Joined fibrous bodied article and method of producing same
US2869722A (en) * 1957-10-14 1959-01-20 Fibreboard Paper Products Corp Paper products having a release coating and method of preparation thereof
US3099593A (en) * 1961-02-09 1963-07-30 Macco Chemical Company Method of packaging and applying wall tile and wall panel adhesive
US3109576A (en) * 1961-08-04 1963-11-05 United Shoe Machinery Corp Burst open containers
US3648882A (en) * 1970-03-02 1972-03-14 Exxon Research Engineering Co Package for highly viscous tacky materials
GB2107272B (en) * 1981-10-09 1985-07-10 Continental Group Lined fibre drums
DE3641385A1 (de) * 1986-12-04 1988-06-09 Bosch Gmbh Robert Verpackungsbehaelter mit verschlussmembran
KR930005330B1 (ko) * 1988-09-13 1993-06-17 조충묵 방수용 지제용기의 제조방법
US5159059A (en) * 1990-05-29 1992-10-27 Merck & Co., Inc. Process for reduction of certain cyclohexapeptide compounds
RU2096277C1 (ru) 1990-08-01 1997-11-20 Х.Б.Фуллер Лайсенсинг энд Файнэнсинг Инк. Способ упаковки клеящей композиции (варианты) и упакованная клеящая композиция (варианты)
US5137206A (en) * 1991-10-17 1992-08-11 Greif Bros. Corporation Reusable recyclicable fiber drum
CA2138585A1 (en) * 1993-12-30 1995-07-01 Paul C. Debiasse Liner packaging for reactive hot melt adhesive

Also Published As

Publication number Publication date
US5992130A (en) 1999-11-30
CA2219845C (fr) 2003-04-08
FR2756258A1 (fr) 1998-05-29
DE69718992T2 (de) 2003-11-13
JPH10157784A (ja) 1998-06-16
JP3327384B2 (ja) 2002-09-24
CA2219845A1 (fr) 1998-05-22
FR2756258B1 (fr) 1998-12-24
DE69718992D1 (de) 2003-03-20
EP0844186A1 (de) 1998-05-27

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