Method for improving the heat sealability of packaging material and method for manufacturing heat-sealed container or package

Tapani Penttinen; Kimmo Nevalainen; Jurkka Kuusipalo; Tapio Koskinen; Sami Kotkamo

Method for improving the heat sealability of packaging material and method for manufacturing heat-sealed container or package

Tapani Penttinen (Inventor)
, Kimmo Nevalainen (Inventor)
, Jurkka Kuusipalo (Inventor)
, Tapio Koskinen (Inventor)
, Sami Kotkamo (Inventor)

Research output: Patent

Abstract

A method for improving the heat sealability of a packaging material and a method for manufacturing a heat-sealed container or package are described. The material can be polymer-coated packaging paper or cardboard, or a polymeric packaging film. The material includes a polymer layer that contains polyester, particularly polylactide, the heat sealability of which is improved by ultraviolet radiation. Polylactide is useful as such or when blended, for example, with other biodegradable polyester. The containers and packages thus manufactured include disposable drinking cups and cardboard carton and box packages.

Original language	English
Patent number	US2013137562
IPC	B31B 1/ 74 A I
Priority date	27/04/11
Publication status	Published - 30 May 2013
Publication type	H1 Granted patent

Cite this

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title = "Method for improving the heat sealability of packaging material and method for manufacturing heat-sealed container or package",

abstract = "A method for improving the heat sealability of a packaging material and a method for manufacturing a heat-sealed container or package are described. The material can be polymer-coated packaging paper or cardboard, or a polymeric packaging film. The material includes a polymer layer that contains polyester, particularly polylactide, the heat sealability of which is improved by ultraviolet radiation. Polylactide is useful as such or when blended, for example, with other biodegradable polyester. The containers and packages thus manufactured include disposable drinking cups and cardboard carton and box packages.",

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AU - Nevalainen, Kimmo

AU - Kuusipalo, Jurkka

AU - Koskinen, Tapio

AU - Kotkamo, Sami

PY - 2013/5/30

Y1 - 2013/5/30

N2 - A method for improving the heat sealability of a packaging material and a method for manufacturing a heat-sealed container or package are described. The material can be polymer-coated packaging paper or cardboard, or a polymeric packaging film. The material includes a polymer layer that contains polyester, particularly polylactide, the heat sealability of which is improved by ultraviolet radiation. Polylactide is useful as such or when blended, for example, with other biodegradable polyester. The containers and packages thus manufactured include disposable drinking cups and cardboard carton and box packages.

AB - A method for improving the heat sealability of a packaging material and a method for manufacturing a heat-sealed container or package are described. The material can be polymer-coated packaging paper or cardboard, or a polymeric packaging film. The material includes a polymer layer that contains polyester, particularly polylactide, the heat sealability of which is improved by ultraviolet radiation. Polylactide is useful as such or when blended, for example, with other biodegradable polyester. The containers and packages thus manufactured include disposable drinking cups and cardboard carton and box packages.

M3 - Patent

M1 - US2013137562

ER -

Method for improving the heat sealability of packaging material and method for manufacturing heat-sealed container or package

Abstract

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