DE2314052B2 - Monoaxially stretched splice-free packaging tapes made from polyolefins - Google Patents

Monoaxially stretched splice-free packaging tapes made from polyolefins

Info

Publication number
DE2314052B2
DE2314052B2 DE2314052A DE2314052A DE2314052B2 DE 2314052 B2 DE2314052 B2 DE 2314052B2 DE 2314052 A DE2314052 A DE 2314052A DE 2314052 A DE2314052 A DE 2314052A DE 2314052 B2 DE2314052 B2 DE 2314052B2
Authority
DE
Germany
Prior art keywords
packaging tapes
splice
polyolefins
tapes made
monoaxially stretched
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.)
Withdrawn
Application number
DE2314052A
Other languages
German (de)
Other versions
DE2314052A1 (en
Inventor
Eberhard 4370 Marl Bleyel
Dieter 4200 Oberhausen- Holten Buhren
Ulrich 4270 Dorsten Klimmek
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.)
VEBA-CHEMIE AG 4660 GELSENKIRCHEN- BUER
Original Assignee
VEBA-CHEMIE AG 4660 GELSENKIRCHEN- BUER
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 VEBA-CHEMIE AG 4660 GELSENKIRCHEN- BUER filed Critical VEBA-CHEMIE AG 4660 GELSENKIRCHEN- BUER
Priority to DE2314052A priority Critical patent/DE2314052B2/en
Priority to IT49314/74A priority patent/IT1003784B/en
Priority to AT220874A priority patent/AT340310B/en
Priority to BE142120A priority patent/BE812442A/en
Priority to ES424401A priority patent/ES424401A1/en
Priority to CH375374A priority patent/CH605316A5/xx
Priority to LU69662A priority patent/LU69662A1/xx
Priority to NL7403720A priority patent/NL7403720A/xx
Priority to FR7409703A priority patent/FR2222276A1/en
Publication of DE2314052A1 publication Critical patent/DE2314052A1/en
Publication of DE2314052B2 publication Critical patent/DE2314052B2/en
Withdrawn legal-status Critical Current

Links

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
    • B65D63/00—Flexible elongated elements, e.g. straps, for bundling or supporting articles
    • B65D63/10—Non-metallic straps, tapes, or bands; Filamentary elements, e.g. strings, threads or wires; Joints between ends thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/013—Fillers, pigments or reinforcing additives

Description

Die vorliegende Erfindung betrifft gereckte Packbänder aus isotaktischem Polypropylen, die durch Zusatz geeigneter Füllstoffe bestimmter Konzentration praktisch keine Spleißneigung bei ausreichender Reißfestigkeit gegenüber Artikeln aus ungefüllten Polyolefinen aufweisen.The present invention relates to stretched packaging tapes made of isotactic polypropylene, which by addition suitable fillers of a certain concentration practically no tendency to splice if sufficient Have tear resistance compared to articles made from unfilled polyolefins.

Packbänder werden bekanntlich z. B. benötigt, um Stückgüter aller Art, wie z. B. Platten, Steine, Blechtafeln, Holzgebinde, Kunststofftafeln etc. als rutschfeste Einheit transportieren zu können.Packaging tapes are known z. B. needed to move piece goods of all kinds, such as. B. plates, stones, sheet metal, To be able to transport wooden containers, plastic boards, etc. as a non-slip unit.

Hierbei wird das Packband um das Packgut gelegt und mit Hilfe eines Bandspanners bzw. eines Packautomaten straff angezogen. Anschließend wird das vor dem Spannen über Anfang und Ende des Spannbandes geschobene sogenannte Schloß mit einer Plombenzange verplombt. Hierdurch wird erreicht, daß das sich überlappende Band in dem Schloß fest verankert.Here the packing tape is placed around the packaged goods and with the help of a tape tensioner or a packing machine tightened. Then this is done before tensioning over the beginning and end of the tensioning strap pushed so-called lock sealed with sealing pliers. This ensures that the overlapping band firmly anchored in the lock.

Derartige Packbänder wurden bisher aus isotaktischem, ungefülltem Polypropylen hergestellt und hatten jedoch den Nachteil, daß das Band beim Verplomben spleißte und beim Auftreten höherer Zugkräfte aus der Plombe gezogen wurde.Such packaging tapes were previously made from isotactic, unfilled polypropylene and had however, the disadvantage that the tape spliced when lead-sealed and when higher tensile forces occurred has been pulled out of the seal.

Ein weiterer Nachteil ist, daß die Verstreckung der bisher gefertigten Packbänder fast ausschließlich über eine beheizbare Walzenverstreckung erfolgte, da eine Verstreckung durch Zwischenschaltung eines Umluftkanals anstelle der Walzenverstreckung eine höhere Spleißneigung der Packbänder zur Folge hatte.Another disadvantage is that the stretching of the packaging tapes produced so far is almost exclusively over Heatable roll stretching took place, since stretching was carried out by interposing a circulating air duct instead of roller stretching, the packaging tapes had a higher tendency to splice.

Der Erfindung lag die Aufgabe zugrunde, die Spleißneigung auszuschließen und somit einen größeren Nutzeffekt für das Packband zu erreichen. Diese Aufgabe wurde erfindungsgemäß durch das im folgenden beschriebene Verfahren gelöst.The invention was based on the object of eliminating the tendency to splice and thus a greater tendency To achieve a useful effect for the packaging tape. This object has been achieved according to the invention by the following described method solved.

Es wird zunächst dem in Pulver- oder Granulatform vorliegenden thermoplastischen Kunststoff, vorwiegend isotaktischem Polypropylen, ein geeigneter Füllstoff (z. E. auf Talkumbasis) in bestimmter Konzentration zugesetzt. Die erstellte Mischung wird dann im Extrusionsverfahren mit anschließender monoaxialer Verstreckung zu Bändern verarbeitet.First of all, it is predominantly the thermoplastic material present in powder or granulate form isotactic polypropylene, a suitable filler (e.g. based on talc) in a certain concentration added. The created mixture is then in the extrusion process with subsequent monoaxial Stretched into ribbons.

Gegenstand der Erfindung sind daher monoaxial gereckte, nicht spleißende Packbänder aus isotaktischem Polypropylen, dadurch gekennzeichnet, daß das isotaktische Polypropylen mit einem mineralischen Füllstoff in Mengen von 1 bis 30 Gew. % versetzt ist.The invention therefore relates to monoaxially stretched, non-splicing packaging tapes made of isotactic Polypropylene, characterized in that the isotactic polypropylene with a mineral Filler is added in amounts of 1 to 30% by weight.

Bisher wurden gefüllte Polyolefine nie für derartige Zwecke mit großer Zugbeanspruchung eingesetzt. Das Vorurteil ist darin begründet, daß bekannterweise der Zusatz von Füllstoffen einen Abfall der FestigkeitSo far, filled polyolefins have never been used for such purposes with high tensile stress. The prejudice is based on the fact that, as is known, the addition of fillers causes a decrease in strength

bewirkt, und man davon ausging, daß ein Packband, welches ja einer Einwirkung großer Zugkräfte ausgesetzt ist, nicht die erforderliche Festigkeit besitzen könnte.causes, and it was assumed that a packaging tape, which is exposed to the action of large tensile forces may not have the required strength.

Die mineralischen Füllstoffe, die kein Kristallwasser enthalten sollen, werden bevorzugt in Mengen von 5 bis 20 Gew.% eingesetzt. Als geeignet sind insbesondere Talkum, Zinkoxyd, Bariumsulfat, Aluminiumsilikate, Asbestmehl, Schiefermehl, Titandioxyd, Calciumcarbonat (Kreide) oder Glasfasern zu nennen.The mineral fillers that are not water of crystallization Are to contain, are preferably used in amounts of 5 to 20 wt.%. Particularly suitable are Talc, zinc oxide, barium sulfate, aluminum silicates, asbestos flour, slate flour, titanium dioxide, Calcium carbonate (chalk) or glass fibers should be mentioned.

Überraschenderweise behindert der gleichmäßig im Thermoplasten verteilte Füllstoff die sonst bei ungefüllten Thermoplasten entstehende Einschnürung beim Recken derartig, daß keine nennenswerte Spleißneigung mehr zu beobachten ist.Surprisingly, the evenly distributed filler in the thermoplastic hinders the otherwise unfilled filler Thermoplastic resulting constriction during stretching in such a way that no noteworthy Splicing tendency can be observed.

Die erfinidungsgemäße Anwendung von gefülltem Polypropylen für Packbänder bietet gegenüber dem bisher üblichen Material Vorteile hinsichtlich der Anwendungsmöglichkeiten und des Herstellungsverfah- -o rens.The inventive use of filled Polypropylene for packaging tapes offers advantages in terms of application options compared to the material that has been customary up to now and the manufacturing process.

Beispiel 1example 1

Ein isotaktisches Polypropylen mit einem Schmelzindex von 190/5 = 0,5 g/10' wurde mit 10% Talkum -5 abgemischt und unter folgenden Bedingungen zu Packbändern extrudiert:An isotactic polypropylene with a melt index of 190/5 = 0.5 g / 10 'was mixed with 10% talc - 5 and extruded into packaging tapes under the following conditions:

Die Verarbeitung war ohne Abrisse möglich.
Die erzielte Reißfestigkeit betrug 45,0 kp/mm2.The processing was possible without breaks.
The tear strength achieved was 45.0 kgf / mm 2 .

Beispiel 2Example 2

Ein isotaktisches Polypropylen wie in Beispiel 1 wurde mit 5% Titandioxid abgemischt und entsprechend den Bedingungen in Beispiel 1 zu Packbändern extrudiert.An isotactic polypropylene as in Example 1 was mixed with 5% titanium dioxide and accordingly extruded to packing tapes under the conditions in Example 1.

Die Verarbeitung war ohne Abrisse möglich.The processing was possible without breaks.

bo Die erzielte Reißfestigkeit betrug 44 kp/mm2.bo The tensile strength achieved was 44 kp / mm 2 .

Beispiel 3Example 3

Ein isotaktisches Polypropylen wie in Beispiel 1 wurde mit 25 % Talkum abgemischi und entsprechend b5 den Bedingungen in Beispiel 1 zu Packbändern extrudiert. An isotactic polypropylene as in Example 1 was mixed with 25% talc and correspondingly b5 extruded according to the conditions in example 1 to give packaging tapes.

Die Verarbeitung war ohne Abrisse möglich.The processing was possible without breaks. Die erzielte Reißfestigkeit betrug 34 kp/mm2.The tear strength achieved was 34 kgf / mm 2 .

Extruder:Extruder: 60 mm 060 mm 0 TemperaturenTemperatures Zylinder:Cylinder: 180, 190, 220,180, 190, 220, ReckbedingungenStretching conditions Recktemperatur:Stretching temperature: 190° C190 ° C Schnecke:Slug: 3-Zonen/Länge ■3 zones / length ■ 2400C240 0 C Reckverhältnis:Stretching ratio: 1:10,31: 10.3 = 25D/1:3= 25D / 1: 3 Adapter:Adapter: 250° C250 ° C AbzugsgeschwindigkeitTake-off speed Schneckendrehzahl:Screw speed: 60 min"1 60 min " 1 Düse:Jet: 230° C230 ° C der Reckwalzenthe forging rolls K1: 5,0 m/minK 1 : 5.0 m / min Wasserbad:Water bath: 20° C20 ° C K2: 52,7 m/minK 2 : 52.7 m / min K3: 52,7 m/minK 3 : 52.7 m / min Banddicke:Strip thickness: 0,4 mm0.4 mm Bandbreite:Bandwidth: 10,5 mm10.5 mm Bänderzahl:Number of bands: 33

Claims (2)

Patentansprüche:Patent claims: 1. Monoaxial gereckte, nicht spleißende Packbänderaus isotaktischem Polypropylen, dadurch gekennzeichnet, daß das isotaktische Polypropylen mit einem mineralischen Füllstoff in Mengen von 1 bis 30 Gew.% insbesondere von 5 bis 20 Gew.% versetzt ist.1. Monoaxially stretched, non-splicing packaging tapes made of isotactic polypropylene, thereby characterized in that the isotactic polypropylene with a mineral filler in quantities from 1 to 30% by weight, in particular from 5 to 20% by weight, is added. 2. Monoaxial gereckte, nicht spleißende Packbänder aus isotaktischem Polypropylen nach dem Anspruch 1, dadurch gekennzeichnet, daß es Talkum als Füllstoff enthält.2. Monoaxially stretched, non-splicing packaging tapes made of isotactic polypropylene according to the Claim 1, characterized in that it contains talc as filler.
DE2314052A 1973-03-21 1973-03-21 Monoaxially stretched splice-free packaging tapes made from polyolefins Withdrawn DE2314052B2 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DE2314052A DE2314052B2 (en) 1973-03-21 1973-03-21 Monoaxially stretched splice-free packaging tapes made from polyolefins
IT49314/74A IT1003784B (en) 1973-03-21 1974-03-15 PACKAGING TAPE MADE OF POLYOLEFINS PRODUCED WITH SINGLE-AXIS IRON AND RESISTANT TO SPAC CATURE
AT220874A AT340310B (en) 1973-03-21 1974-03-18 MONOAXIAL SPLICE-FREE PACKING TAPES MADE OF POLYOLEFINES
BE142120A BE812442A (en) 1973-03-21 1974-03-18 MONOAXIALLY STRETCHED POLYOLEFIN PACKAGING STRIPS WITHOUT SPLICES
ES424401A ES424401A1 (en) 1973-03-21 1974-03-18 Procedure for the manufacture of stretched packaging tapes with polyolephines. (Machine-translation by Google Translate, not legally binding)
CH375374A CH605316A5 (en) 1973-03-21 1974-03-19
LU69662A LU69662A1 (en) 1973-03-21 1974-03-19
NL7403720A NL7403720A (en) 1973-03-21 1974-03-20
FR7409703A FR2222276A1 (en) 1973-03-21 1974-03-21 Polypropylene packaging tapes - made splice resistant by incorporation of inorg. fillers e.g. talc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2314052A DE2314052B2 (en) 1973-03-21 1973-03-21 Monoaxially stretched splice-free packaging tapes made from polyolefins

Publications (2)

Publication Number Publication Date
DE2314052A1 DE2314052A1 (en) 1974-10-03
DE2314052B2 true DE2314052B2 (en) 1978-11-16

Family

ID=5875451

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2314052A Withdrawn DE2314052B2 (en) 1973-03-21 1973-03-21 Monoaxially stretched splice-free packaging tapes made from polyolefins

Country Status (9)

Country Link
AT (1) AT340310B (en)
BE (1) BE812442A (en)
CH (1) CH605316A5 (en)
DE (1) DE2314052B2 (en)
ES (1) ES424401A1 (en)
FR (1) FR2222276A1 (en)
IT (1) IT1003784B (en)
LU (1) LU69662A1 (en)
NL (1) NL7403720A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4133797A (en) * 1974-08-01 1979-01-09 The Richardson Company Mineral-filled, high impact polyolefin molding compositions
FR2325485A1 (en) * 1976-09-24 1977-04-22 Breveteam Sa Binding tapes of oriented material with tear zones - for subdivision into smaller tapes as required
DE3323109A1 (en) * 1983-06-27 1985-01-03 Lentia GmbH Chem. u. pharm. Erzeugnisse - Industriebedarf, 8000 München MONOAXIAL STRETCHED TAPES MADE OF POLYPROPYLENE OR PROPYLENE-AETHYLENE COPOLYMERS

Also Published As

Publication number Publication date
IT1003784B (en) 1976-06-10
LU69662A1 (en) 1974-07-10
FR2222276B3 (en) 1977-01-07
ES424401A1 (en) 1977-01-01
FR2222276A1 (en) 1974-10-18
AT340310B (en) 1977-12-12
NL7403720A (en) 1974-09-24
DE2314052A1 (en) 1974-10-03
ATA220874A (en) 1977-03-15
CH605316A5 (en) 1978-09-29
BE812442A (en) 1974-07-15

Similar Documents

Publication Publication Date Title
EP0220433B1 (en) Process for producing a biaxially oriented polypropylene film
DE2725310C2 (en)
EP0563796B1 (en) Satin-matt, biaxially orientated polyolefin multilayer film, process for its manufacture, and use
DE1694622C3 (en) Thermoplastic polymer blend
EP0406642B1 (en) High strength biaxially oriented polypropylene film
EP0909638B1 (en) Biaxially oriented film of polypropylene with improved mechanical and barrier properties
DE2421856A1 (en) HEAT-SHRINKABLE, ORIENTED, THERMOPLASTIC FILM
EP0202532A2 (en) Unsealable, bioriented multilayered polypropylene film, method of making it and its use
DE4135097A1 (en) NON-SEALABLE, MATTE, TRUE, BIAXIAL-ORIENTED POLYOLEFIN MULTILAYER FILM, METHOD FOR THEIR PRODUCTION AND THEIR USE
EP0611647A1 (en) Low temperature-sealing, biaxially oriented polyolefin multilayer film, process for its manufacture and its use
DE1704561C3 (en)
DE4312543A1 (en) Matte transfer metallization film, process for its production and its use
DE4306153A1 (en) Sealable oriented polyolefin multilayer film, process for its production and its use
DE2027060A1 (en) Fabric laminate
EP0079520A2 (en) Biaxially stretched polyolefin film with an elasticity modulus in the longitudinal direction of more than 4000 N/mm2
DE2104817C3 (en) Pressure-sensitive adhesive tape with a thermoplastic film as a carrier
DE3041286C1 (en) Sealable, biaxially stretched polypropylene film with high scratch resistance and process for its production
DE2127167A1 (en) Coated fabric made from thermoplastic plastics
EP0216300B1 (en) Multilayerd, biaxially oriented polypropylene release sheet, method of making it and its use
DE3436065A1 (en) Opaque polypropylene film having light-transparent areas, process for the production thereof, and the use thereof
DE2314052B2 (en) Monoaxially stretched splice-free packaging tapes made from polyolefins
EP0266650B1 (en) No-sealable, biaxially oriented, transparent multilayer polypropylene film, process for making it and its use
DE3401218C2 (en) Process for the production of a heat-sealable packaging film
DE3015465A1 (en) Polypropylene films with smooth surface - prepd. by calendering at above crystalline m.pt., and at set speed difference of successive rollers
DE2251759B2 (en) Process for the production of uniaxially stretched packaging tapes from isotactic polypropylene with a reduced tendency to splice

Legal Events

Date Code Title Description
BGA New person/name/address of the applicant
BHJ Nonpayment of the annual fee