BIOLOGICALLY DEGRADABLE FILM

A film is shown and described which contains 10 to 50 wt. % of a component A and 50 to 90 wt. % of a component B, based on the sum of the components A and B, 1. A film comprising:10 to 50 wt. % of a component A and 50 to 90 wt. % of a component B, based on the sum of the components A and B,wherein component A is selected from the group consisting of polymers that are obtainable from ring-opening polymerization and have a glass transition temperature (Tg) lower than −30° C.,wherein component B is selected from the group consisting of thermoplastic aliphatic copolyesters and mixtures thereof, andwherein the film has a total thickness of 1 to 200 μm.2. The film according to claim 1 , wherein the film has at least one of the following mechanical properties:a tensile strength in the dry state in the extrusion direction (MD) of at least 15 MPa according to EN ISO 527;a tensile strength in the dry state transversely to the extrusion direction (TD) of at least 15 MPa according to EN ISO 527;an elongation at tear in the dry state in the extrusion direction (MD) of at least 100% according to EN ISO 527; oran elongation at tear in the dry state transversely to the extrusion direction (TD) of at least 100% according to EN ISO 527.3. The film according to claim 1 , wherein after introduction into salt water for a period of 12 weeks under controlled test conditions claim 1 , according to the method ASTM D6691-09 claim 1 , and after sieving through a sieve having a mesh size of 2.0 mm claim 1 , the film has a maximum of 30 wt. % of the original dry weight claim 1 , and/or wherein after introduction into salt water claim 1 , at least 30% of the organic carbon of the film is converted to carbon dioxide within 180 days at a temperature of 30±2° C. claim 1 , according to the method ASTM D6691-09.4. The film according to claim 1 , wherein component A has a glass transition temperature (Tg) lower than −40° C. claim 1 , or lower than −50° C. claim 1 , or lower than −55° C.5. The film ...

BIODEGRADABLE MULTI-LAYER FILM

A multi-layer polymer film comprising at least one middle layer A, the polymeric constituents of which are soluble in aqueous solution, and at least one substantially water-impermeable covering layer B or C arranged above and/or below the at least one middle layer A, wherein the layers A, B and C independently of each other in each case comprise at least one thermoplastic polymer and at least one of the covering layers B and C comprises at least one polyhydroxyalkanoate. Processes for the production of the multi-layer polymer film according to the invention and its use for the production of molded parts, films or bags are furthermore presented and described. 1. A multi-layer polymer film comprising:at least one middle layer A, the polymeric constituents of which are soluble in aqueous solution;at least one covering layer B arranged above the at least one middle layer A and that is water-impermeable so as to withstand a column of water of at least 20 mm in accordance with DIN EN 20811:1992; andat least one covering layer C arranged below the at least one middle layer A and that water-impermeable so as to withstand a column of water of at least 20 mm in accordance with DIN EN 20811:1992,wherein the layers A, B and C independently of each other in each case comprise at least one thermoplastic polymer,wherein at least one of the covering layers B and C comprises at least one polyhydroxyalkanoate in an amount of 20 wt. % to 95 wt. % based on a total weight of the particular covering layer and at least one additional polymer, wherein the particular covering layer includes 70 wt. % to 100 wt. % by combined weight of the at least one polyhydroxyalkanoate and the at least one additional polymer based on the total weight of the particular covering layer.2. The polymer film according to in claim 1 , wherein at least one of the covering layers B and C comprises less than 10 wt. % of starch polymer based on the total weight of the particular covering layer.3. The polymer film ...

BIODEGRADABLE MULTI-LAYER FILM

A multi-layer polymer film comprising at least one middle layer A, the polymeric constituents of which are soluble in aqueous solution, and in each case at least one substantially water-impermeable covering layer B, C arranged above and below the at least one middle layer A, wherein the layers A, B and C independently of each other in each case comprise at least one thermoplastic polymer and at least one of the covering layers B and C comprises at least one polyhydroxyalkanoate is presented and described. Processes for the production of the multi-layer polymer film according to the invention and its use for the production of molded parts, films or bags are furthermore presented and described. 1. A multi-layer polymer film comprising at least one middle layer A , the polymeric constituents of which are soluble in aqueous solution , and in each case at least one substantially water-impermeable covering layer B , C arranged above and below the at least one middle layer A , wherein the layers A , B and C independently of each other in each case comprise at least one thermoplastic polymer and at least one of the covering layers B and C comprises at least one polyhydroxyalkanoate.2. The polymer film according to in claim 1 , wherein the polyhydroxyalkanoate is contained in at least one of the covering layers B and C in an amount of at least 10 wt. % claim 1 , in particular at least 15 wt. % or 20 wt. % claim 1 , based on the total weight of the particular covering layer.3. The polymer film according to claim 1 , wherein the in each case at least one thermoplastic polymer of the covering layers B and C can be decomposed by hydrolysis.4. The polymer film according to claim 1 , wherein the in each case at least one thermoplastic polymer of the covering layers B and C independently of each other is selected from the group consisting of thermoplastic starch claim 1 , starch-containing thermoplastics claim 1 , polyvinyl alcohol claim 1 , thermoplastic polyvinyl alcohol claim 1 ...

Biodegradable multilayer film

Dargestellt und beschrieben wird eine mehrschichtige Polymerfolie umfassend mindestens eine Mittelschicht A, deren polymere Bestandteile in wässriger Lösung löslich sind, und jeweils mindestens eine, oberhalb und unterhalb der mindestens einen Mittelschicht A angeordnete, im wesentlichen wasserundurchlässige Deckschicht B, C, wobei die Schichten A, B und C unabhängig voneinander jeweils mindestens ein thermoplastisches Polymer enthalten und mindestens eine der Deckschichten B und C mindestens ein Polyhydroxyalkanoat enthält. Dargestellt und beschrieben werden ferner Verfahren zur Herstellung der erfindungsgemäßen mehrschichtigen Polymerfolie sowie ihre Verwendung zur Herstellung von Formteilen, Folien oder Tüten. Shown and described is a multilayered polymer film comprising at least one middle layer A, the polymeric constituents of which are soluble in aqueous solution, and in each case at least one, substantially water-impermeable cover layer B, C, arranged above and below the at least one middle layer A, wherein the layers A, B and C independently of one another in each case contain at least one thermoplastic polymer and at least one of the outer layers B and C contains at least one polyhydroxyalkanoate. Also shown and described are methods for producing the multilayer polymer film of the invention and its use for producing molded parts, films or bags.

MULTILAYER FILM AND METHOD FOR THE PRODUCTION THEREOF

Multilayered film and method for manufacturing same

Polymeric material and process for its preparation

Dargestellt und beschrieben wird ein Verfahren zur Herstellung eines polymeren Materials, welches gekennzeichnet ist durch: (a) Herstellen eines Gemischs enthaltend wenigstens - 1 bis 75 Gew.-% Stärke und/oder Stärkederivat, - 10 bis 85 Gew.-% Polyester und - 0,01 bis 7 Gew.-% eines epoxidgruppenhaltigen Polymers; (b) Homogenisieren des Gemischs unter Zuführen von thermischer und/oder mechanischer Energie; (c) Einstellen des Wassergehalts des Gemischs, so dass das Endprodukt einen Wassergehalt von kleiner etwa 12 Gew.-%, bezogen auf die Gesamtzusammensetzung des Gemischs, aufweist. Das nach dem erfindungsgemäßen Verfahren hergestellte polymere Material zeichnet sich durch hervorragende mechanische Eigenschaften aus. Shown and described is a process for producing a polymeric material which is characterized by: (a) preparing a mixture containing at least-1 to 75% by weight of starch and / or starch derivative, 10 to 85% by weight of polyester and 0.01 to 7% by weight of an epoxy group-containing polymer; (b) homogenizing the mixture by applying thermal and / or mechanical energy; (c) adjusting the water content of the mixture so that the final product has a water content of less than about 12% by weight, based on the total composition of the mixture. The polymeric material produced by the process according to the invention is characterized by excellent mechanical properties.

Polymer material and method for the production thereof

A method for the production of a polymer material is shown and described, which is characterized by: (a) producing a mixture containing at least 1 to 75 wt.-% starch and/or starch derivative, 10 to 85 wt.-% polyester, and 0.01 to 7 wt.-% of a polymer containing an epoxy group; (b) homogenizing the mixture while supplying thermal and/or mechanical energy; (c) setting the water content of the mixture, so that the end product has a water content of less than approximately 12 wt.-%, in relation to the total composition of the mixture. The polymer material produced with the method according to the invention is characterized by outstanding mechanical properties.

Polymer material and method for the production thereof

Multilayer film and method for manufacturing same

A multilayered film is shown and described that is used in particular for packaging, which comprises at least one first layer A and at least one second layer B, wherein layer A contains thermoplastic polyester and layer B contains thermoplastic starch. The multilayered film according to the invention is characterized by excellent barrier properties, low sensitivity to moisture, and good mechanical strength.

Multilayer film and method for manufacturing same

A multilayered film is shown and described that is used in particular for packaging, which comprises at least one first layer A and at least one second layer B, wherein layer A contains thermoplastic polyester and layer B contains thermoplastic starch. The multilayered film according to the invention is characterized by excellent barrier properties, low sensitivity to moisture, and good mechanical strength.

Polymer material and method for the production thereof

A method for the production of a polymer material is shown and described, which is characterized by: (a) producing a mixture containing at least 1 to 75 wt.-% starch and/or starch derivative, 10 to 85 wt.-% polyester, and 0.01 to 7 wt.-% of a polymer containing an epoxy group; (b) homogenizing the mixture while supplying thermal and/or mechanical energy; (c) setting the water content of the mixture, so that the end product has a water content of less than approximately 12 wt.-%, in relation to the total composition of the mixture. The polymer material produced with the method according to the invention is characterized by outstanding mechanical properties.

Polymer material and method for the production thereof

Biodegradable film

The invention relates to a film comprising 10-90 wt.% of a component A and 10-90 wt.% of a component B, in relation to the sum of components A and B, A being a polyhydroxyalkanoate and B being an aliphatic copolyester composed of at least one diol component and at least one dicarboxylic acid component, and said film having a total thickness of 1 to 200 µm.

Polymer material and method for the production thereof

A method for the production of a polymer material is shown and described, which is characterized by: (a) producing a mixture containing at least 1 to 75 wt.-% starch and/or starch derivative, 10 to 85 wt.-% polyester, and 0.01 to 7 wt.-% of a polymer containing an epoxy group; (b) homogenizing the mixture while supplying thermal and/or mechanical energy; (c) setting the water content of the mixture, so that the end product has a water content of less than approximately 12 wt.-%, in relation to the total composition of the mixture. The polymer material produced with the method according to the invention is characterized by outstanding mechanical properties.

Polymer material and method for the production thereof

A thermoplastic polymer material containing starch is shown and described, which can be obtained by homogenizing a mixture containing 40 to 85 wt.-% starch and/or starch derivative, 15 to 55 wt.-% softener, and 0.01 to 7 wt.-% of a polymer which contains an epoxy group, while supplying thermal and/or mechanical energy and setting the water content of the mixture to less than approximately 12 wt.-%. The polymer material according to the invention is characterized by outstanding mechanical properties.

Polymer material and method for the production thereof

A method for the production of a polymer material is shown and described, which is characterized by: (a) producing a mixture containing at least 1 to 75 wt.-% starch and/or starch derivative, 10 to 85 wt.-% polyester, and 0.01 to 7 wt.-% of a polymer containing an epoxy group; (b) homogenizing the mixture while supplying thermal and/or mechanical energy; (c) setting the water content of the mixture, so that the end product has a water content of less than approximately 12 wt.-%, in relation to the total composition of the mixture. The polymer material produced with the method according to the invention is characterized by outstanding mechanical properties.

Packaging film and method of manufacture

<B>PELìCULA DE EMBALAGEM E MéTODO PARA FABRICAçãO DO MESMO<D>A presente invenção refere-se a uma película de embalagem que é mostrada e descrita, o qual é usado em particular em embalagens e compreende pelo menos uma primeira camada A e pelo menos uma segunda camada B, em que a camada A contém poliéster termoplástico e a camada B contém amido termoplástico. A película de embalagem de acordo com a invenção é caracterizada por excelentes propriedades de barreira, baixa sensibilidade à umidade e boa resistência mecânica. <B> PACKAGE FILM AND METHOD FOR MANUFACTURING THE SAME <D> The present invention relates to a packaging film which is shown and described, which is used in particular in packaging and comprises at least a first layer A and at least minus a second layer B, where layer A contains thermoplastic polyester and layer B contains thermoplastic starch. The packaging film according to the invention is characterized by excellent barrier properties, low sensitivity to moisture and good mechanical resistance.

Polymer material and method for the production thereof

A method for the production of a polymer material is shown and described, which is characterized by: (a) producing a mixture containing at least 1 to 75 wt.-% starch and/or starch derivative, 10 to 85 wt.-% polyester, and 0.01 to 7 wt.-% of a polymer containing an epoxy group; (b) homogenizing the mixture while supplying thermal and/or mechanical energy; (c) setting the water content of the mixture, so that the end product has a water content of less than approximately 12 wt.-%, in relation to the total composition of the mixture. The polymer material produced with the method according to the invention is characterized by outstanding mechanical properties.

Multilayer film and method for manufacturing same

Multilayer film containing at least one first layer A and at least one second layer B. Layer B contains thermoplastic starch and layer A contains thermoplastic polyester and at least one processing agent in an amount of up to 5% by weight based on the total composition of layer A. The processing agent is selected from polymers containing a polymer backbone and at least one reactive group modifying the polymer backbone. The polymer of the polymer backbone is miscible with at least one polymer component from at least one layer of the multilayer film and the reactive group is suitable for reacting chemically with at least one polymer component from at least one layer of the multilayer film.

Polymer material and method for the production thereof

Biodegradeable film

A film is shown and described which comprises 10-90 wt. % of a component A and 10-90 wt. % of a component B, based on the sum of the components A and B, A being a polyhydroxyalkanoate and B being an aliphatic copolyester composed of at least one diol component and at least one dicarboxylic acid component, and the film having a total thickness of 1 to 200 μm.

Multilayer film and method for manufacturing same

A multilayered film is shown and described that is used in particular for packaging, which comprises at least one first layer A and at least one second layer B, wherein layer A contains thermoplastic polyester and layer B contains thermoplastic starch. The multilayered film according to the invention is characterized by excellent barrier properties, low sensitivity to moisture, and good mechanical strength.

Biologically degradable film

The invention relates to a film containing 10 to 50 wt.% of a component A and 50 to 90 wt.% of a component B, relative to the sum of components A and B, wherein component A is selected from the group consisting of polymers which are obtainable from ring-opening polymerization and have a glass transition temperature (Tg) lower than -30 °C and component B is selected from the group consisting of thermoplastic aliphatic copolyesters and mixtures thereof, wherein the film has a total thickness of 1 to 200 μm.

Multilayered film and method for manufacturing same

Biodegradable film

The invention relates to a film containing 10 to 50 wt.% of a component A and 50 to 90 wt.% of a component B, relative to the sum of components A and B, wherein component A is selected from the group consisting of polymers which are obtainable from ring-opening polymerization and have a glass transition temperature (Tg) lower than -30 °C and component B is selected from the group consisting of thermoplastic aliphatic copolyesters and mixtures thereof, wherein the film has a total thickness of 1 to 200 µm.

Polymeric material and process for its preparation

Polymer material and method for the production thereof

A thermoplastic polymer material containing starch is shown and described, which can be obtained by homogenizing a mixture containing 40 to 85 wt.-% starch and/or starch derivative, 15 to 55 wt.-% softener, and 0.01 to 7 wt.-% of a polymer which contains an epoxy group, while supplying thermal and/or mechanical energy and setting the water content of the mixture to less than approximately 12 wt.-%. The polymer material according to the invention is characterized by outstanding mechanical properties.

Biologically degradable film

The invention relates to a film containing 10 to 50 wt.% of a component A and 50 to 90 wt.% of a component B, relative to the sum of components A and B, wherein component A is selected from the group consisting of polymers which are obtainable from ring-opening polymerization and have a glass transition temperature (Tg) lower than -30 °C and component B is selected from the group consisting of thermoplastic aliphatic copolyesters and mixtures thereof, wherein the film has a total thickness of 1 to 200 μm.

Multilayer sheet and manufacturing process

Biodegradable film

Dargestellt und beschrieben wird eine Folie umfassend 10-90 Gew.-% einer Komponente A und 10-90 Gew.-% einer Komponente B, bezogen auf die Summe der Komponenten A und B,wobei A ein Polyhydroxyalkanoat ist undwobei B ein aliphatischer Copolyester ist, der aus mindestens einer Diol Komponente und mindestens einer Dicarbonsäure Komponente zusammengesetzt ist,und wobei die Folie eine Gesamtdicke von 1 bis 200 µm sowie mindestens eine der folgenden mechanische Eigenschaften aufweist:- Zugfestigkeit der Folie in trockenem Zustand in Extrusionsrichtung (MD) von mindestens 15 MPa gemäß EN ISO 527;- Zugfestigkeit der Folie in trockenem Zustand quer zur Extrusionsrichtung (TD) von mindestens 15 MPa gemäß EN ISO 527;- Reißdehnung der Folie in trockenem Zustand in Extrusionsrichtung (MD) von mindestens 100% gemäß EN ISO 527;- Reißdehnung der Folie in trockenem Zustand quer zur Extrusionsrichtung (TD) von mindestens 100% gemäß EN ISO 527;und wobei die Folie nach Einbringen in Salzwasser für einen Zeitraum von 12 Wochen unter kontrollierten Testbedingungen, gemäß der Methode ASTM D6691-09, nach Sieben durch ein Sieb mit einer Maschenweite von 2,0 mm maximal 30 Gew.-% des ursprünglichen Trockengewichts aufweist und/oder wobei mindestens 30% des organischen Kohlenstoffs der Folie nach Einbringen in Salzwasser innerhalb von 180 Tagen bei einer Temperatur von 30 ± 2°C, gemäß der Methode ASTM D6691-09, in Kohlenstoffdioxid umgesetzt sind. Shown and described is a film comprising 10-90% by weight of a component A and 10-90% by weight of a component B, based on the sum of components A and B, wherein A is a polyhydroxyalkanoate and wherein B is an aliphatic copolyester which is composed of at least one diol component and at least one dicarboxylic acid component, and wherein the film has a total thickness of 1 to 200 microns and at least one of the following mechanical properties: - tensile strength of the film in the dry state in the extrusion direction (MD) of at least 15 MPa according ...

Biodegradable film

Dargestellt und beschrieben wird eine Folie enthaltend 10 bis 50 Gew.-% einer Komponente A und 50 bis 90 Gew.-% einer Komponente B, bezogen auf die Summe der Komponenten A und B, wobei Komponente A ausgewählt ist aus der Gruppe bestehend aus Polymeren, die aus ringöffnender Polymerisation erhältlich sind und eine Glasübergangstemperatur (Tg) niedriger als -30 °C haben und Komponente B ausgewählt ist aus der Gruppe bestehend aus thermoplastischen aliphatischen Copolyestern und Mischungen davon, wobei die Folie eine Gesamtdicke von 1 bis 200 µm sowie mindestens eine der folgenden mechanischen Eigenschaften aufweist: - Zugfestigkeit in trockenem Zustand in Extrusionsrichtung (MD) von mindestens 15 MPa gemäß EN ISO 527; - Zugfestigkeit in trockenem Zustand quer zur Extrusionsrichtung (TD) von mindestens 15 MPa gemäß EN ISO 527; - Reißdehnung in trockenem Zustand in Extrusionsrichtung (MD) von mindestens 100% gemäß EN ISO 527; - Reißdehnung in trockenem Zustand quer zur Extrusionsrichtung (TD) von mindestens 100% gemäß EN ISO 527; und wobei die Folie nach Einbringen in Salzwasser für einen Zeitraum von 12 Wochen unter kontrollierten Testbedingungen, gemäß der Methode ASTM D6691-09, nach Sieben durch ein Sieb mit einer Maschenweite von 2,0 mm maximal 30 Gew.-% des ursprünglichen Trockengewichts aufweist und/oder wobei mindestens 30% des organischen Kohlenstoffs der Folie nach Einbringen in Salzwasser innerhalb von 180 Tagen bei einer Temperatur von 30 ± 2°C, gemäß der Methode ASTM D6691-09, in Kohlenstoffdioxid umgesetzt sind. Shown and described is a film containing 10 to 50 wt .-% of a component A and 50 to 90 wt .-% of a component B, based on the sum of components A and B, wherein component A is selected from the group consisting of polymers polymers obtainable from ring-opening polymerization having a glass transition temperature (Tg) lower than -30 ° C and component B selected from the group consisting of thermoplastic aliphatic copolyesters and mixtures thereof, ...

Biologically degradable film

A film is shown and described which contains 10 to 50 wt. % of a component A and 50 to 90 wt. % of a component B, based on the sum of the components A and B,component A being selected from the group consisting of polymers that are obtainable from ring-opening polymerization and have a glass transition temperature (Tg) lower than −30° C. andcomponent B being selected from the group consisting of thermoplastic aliphatic copolyesters and mixtures thereof, and the film having a total thickness of 1 to 200 μm.

Polymeres material und verfahren zu dessen herstellung

Mehrschichtfolie und verfahren zu deren herstellung

Biodegradable film

The invention relates to a film containing 10 to 50 wt.% of a component A and 50 to 90 wt.% of a component B, relative to the sum of components A and B, wherein component A is selected from the group consisting of polymers which are obtainable from ring-opening polymerization and have a glass transition temperature (Tg) lower than -30 °C and component B is selected from the group consisting of thermoplastic aliphatic copolyesters and mixtures thereof, wherein the film has a total thickness of 1 to 200 µm.

生分解性フィルム

【課題】海水中で非常に良好な生分解性を示すと同時に、卓越した機械的特性をも示すフィルムを提供する。【解決手段】成分ＡおよびＢの合計に対して１０～９０重量％の成分Ａと１０～９０重量％の成分Ｂとを含むフィルムであって、Ａが、ポリヒドロキシアルカノエートであり、Ｂが、少なくとも１つのジオール成分と少なくとも１つのジカルボン酸成分とから構成される脂肪族コポリエステルであり、該フィルムが、１～２００μｍの全厚を有する、フィルムとする。【選択図】なし

Biodegradable film

A film is shown and described which contains 10 to 50 wt. % of a component A and 50 to 90 wt. % of a component B, based on the sum of the components A and B,component A being selected from the group consisting of polymers that are obtainable from ring-opening polymerization and have a glass transition temperature (Tg) lower than −30° C. andcomponent B being selected from the group consisting of thermoplastic aliphatic copolyesters and mixtures thereof,and the film having a total thickness of 1 to 200 μm.

Biodegradable film

A film is shown and described which contains 10 to 50 wt.% of a component A and 50 to 90 wt.% of a component B, based on the sum of the components A and B, component A being selected from the group consisting of polymers that are obtainable from ring-opening polymerization and have a glass transition temperature (Tg) lower than -30 C and component B being selected from the group consisting of thermoplastic aliphatic copolyesters and mixtures thereof, and the film having a total thickness of 1 to 200 pm.

Biologisch abbaubare folie, transportbeutel enthaltend eine folie, verfahren zur herstellung einer folie und verwendung einer folie

Folia ulegająca rozkładowi biologicznemu, torba transportowa zawierająca folię, sposób wytwarzania folii i zastosowanie folii

Biologisch abbaubare folie, transportbeutel enthaltend eine folie, verfahren zur herstellung einer folie und verwendung einer folie

Lámina biodegradable, bolsa de transporte que contiene una lámina, procedimiento para producir una lámina y uso de una lámina

La invención se refiere a una película que contiene de 10 a 50% en peso de un componente A y de 50 a 90% en peso de un componente B, con respecto a la suma de los componentes A y B, en donde el componente A se selecciona del grupo que consiste en polímeros que se pueden obtener a partir de polimerización por apertura de anillo y que tienen una temperatura de transición vítrea (Tg) inferior a -30 °C y el componente B se selecciona del grupo que consiste en copoliésteres alifáticos termoplásticos y mezclas de los mismos, en donde la película tiene un espesor total de 1 a 200 μm. (Traducción automática con Google Translate, sin valor legal)

Biološki razgradivi film, transportna vreća koja sadrži navedeni film, postupak proizvodnje navedenog filma i upotreba navedenog filma

Biologisch abbaubare folie

Dargestellt und beschrieben wird eine Folie enthaltend 10 bis 50 Gew.-% einer Komponente A und 50 bis 90 Gew.-% einer Komponente B, bezogen auf die Summe der Komponenten A und B, wobei Komponente A ausgewählt ist aus der Gruppe bestehend aus Polymeren, die aus ringöffnender Polymerisation erhältlich sind und eine Glasübergangstemperatur (Tg) niedriger als -30 °C haben undKomponente B ausgewählt ist aus der Gruppe bestehend aus thermoplastischen aliphatischen Copolyestern und Mischungen davon,wobei die Folie eine Gesamtdicke von 1 bis 200 µm aufweist.