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Release liner for label laminate

A release liner and laminate technology, applied in the field of label laminates, can solve the problems of runnability, heat sensitivity, etc.

Inactive Publication Date: 2012-10-10
UPM RAFLATEC OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These kinds of materials are even more sensitive to heat and can cause runnability problems during the subsequent lamination process

Method used

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  • Release liner for label laminate
  • Release liner for label laminate
  • Release liner for label laminate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 11

[0054] Embodiment 1.1. Process for the preparation of a release layer for a release liner of a label laminate, wherein said preparation comprises the step of inductively heating a release agent contained in the release layer.

Embodiment 12

[0055] Embodiment 1.2. The method according to embodiment 1.1, wherein induction filling particles are added to the release agent prior to induction heating.

Embodiment 13

[0056] Embodiment 1.3. The method according to embodiment 1.2, wherein the induction filling particles are uniformly added to the release agent to uniformly cover the release layer.

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PUM

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Abstract

The invention relates to a method for manufacturing a release layer of a release liner, and to a release layer composition, which comprises a curable release agent and an inductive filler material. The invention relates also to a pressure sensitive label laminates.

Description

field of invention [0001] This invention relates to label laminates. More particularly, the present invention relates to release liners for label laminates and to methods of making the same. Background of the invention [0002] Pressure sensitive label laminates, also known as self-adhesive label laminates, are well known in the art. A typical construction of these laminates consists of a release liner and face stock material laminated together with a pressure sensitive adhesive (PSA) layer in between. A release liner may, for example, have a polymer film or paper as a backing material, which is coated with a release agent such as silicone. Conventional silicone release coating systems consist of reactive silicone compounds, crosslinkers, catalysts and optionally inhibitors. After coating the backing material, the silicone layer is further dried and cured at high temperature at an activating tunnel to obtain a cross-linked silicone release layer. Subsequently, the releas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B7/06B32B27/20C09J7/02C09J7/40
CPCC09J2483/005C09J2203/334C09J7/0225B32B7/06C09J2205/31C09J7/40Y10T428/1405Y10T428/1476C09J2301/416
Inventor N.米歇尔
Owner UPM RAFLATEC OY