Plastics film composed of rigid polyvinyl chloride (rpvc) and process for its production

A technology of rigid polyvinyl chloride and plastic film, applied in the field of plastic film, can solve the problem of high manufacturing cost

Inactive Publication Date: 2010-10-06
KLOECKNER PENTAPLAST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This makes the manufacturing cost of such sleeve labels higher than that of PVC-based labels

Method used

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  • Plastics film composed of rigid polyvinyl chloride (rpvc) and process for its production
  • Plastics film composed of rigid polyvinyl chloride (rpvc) and process for its production
  • Plastics film composed of rigid polyvinyl chloride (rpvc) and process for its production

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0035] figure 1 A plastic film 1 is shown to which a protective cover film 2 has been applied by lamination with an adhesive layer 4 . The plastic film 1 is made of calendered rigid polyvinyl chloride (RPVC) film, and the thickness of the plastic film 1 is in the range of 25 to 40 μm, specifically, the thickness of the film is 25, 35, or 37 μm. Similarly, the protective covering film 2 is also made of rigid polyvinyl chloride material, and its thickness is in the range of 10 to 25 μm. Specifically, if the thickness of the plastic film 1 is 25 μm, the thickness of the protective cover film 2 is 25 μm. If the plastic film 1 has a thickness of 35 μm, the protective cover film 2 has a thickness of 20 μm. If the thickness of the plastic film is 37 μm, the thickness of the protective cover film is between 10 μm and 20 μm. The top surface of the plastic film has a printed layer 16 .

[0036] figure 2 A plastic film 3 is shown, which is a single-layer film structure with a thick...

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Abstract

A plastics film 1 composed of rigid polyvinyl chloride serves as backing film for a sleeve label. The sleeve label can be applied by adhesive bonding and shrinking onto a peripheral surface of the cylindrical body. A protective covering film 2 has been laminated onto the plastics film 1. The plastics film 1 has been stretched in the machine direction of a calender and has a longitudinal heat shrinkage of from 40 to 60%, based on the unstretched plastics film. Perpendicularly to the machine direction of the calender, the heat shrinkage of the plastics film is from 0 to 10%.

Description

technical field [0001] The present invention relates to a plastic film consisting of rigid polyvinyl chloride (RPVC), which can be used as a backing film for adhesive-bonded, single-layer or multi-layer sleeve labels, such labels The invention also relates to a method for manufacturing the plastic film, which is bonded to the outer peripheral surface of the cylinder with an adhesive and shrunk onto the surface by heat. Background technique [0002] This type of plastic film forms the base or backing of a heat-shrinkable label that is shrunk onto a cylindrical battery, such as a dry cell. During this process, the heat-shrink label must be able to be applied by heating and shrinking to a suitable size for the predetermined final shape, which corresponds to the circumference and sides of the cylindrical battery. The adhesive must be able to withstand the shrinkage force generated at this time, and the heat-shrinkable label is attached along the outer peripheral surface with th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C43/24B29C61/02G09F3/04B29L7/00B29K27/06B29C55/06B29C61/00B29C63/40B32B27/30C08J5/18H01M50/121H01M50/129H01M50/133
CPCH01M2/0267B29C61/003B29C55/06B32B27/30H01M2/0275B29K2027/06C08J2327/06B32B2519/00Y02E60/12C08J5/18B29C63/40Y10T428/1328Y10T428/1331Y10T428/24446Y02E60/10H01M50/133H01M50/121H01M50/129B32B2307/736B32B27/304B32B37/156B32B27/08B32B7/12
Inventor 科尔·范赖恩彼得·拉斯汉斯·泰斯
Owner KLOECKNER PENTAPLAST
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