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Adhesive sheet for tire

A label and tire technology, applied to tire parts, adhesives, tire sidewalls, etc., can solve problems such as easy peeling, and achieve an easy-to-adjust effect

Active Publication Date: 2007-06-27
LINTEC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] In addition, since the mold release agent used in the manufacture of tires adheres to the surface of the tire to some extent, there is also a problem that the adhesive labels for tires that have already been attached tend to peel off during storage or transportation of the tires.

Method used

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  • Adhesive sheet for tire
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  • Adhesive sheet for tire

Examples

Experimental program
Comparison scheme
Effect test

no. 1 Embodiment approach

[0051] The first embodiment, as shown in FIGS. 1( a ) to ( d ), is tire adhesive labels 1 and 2 including a base material 10 and an adhesive layer 11 , and it can be provided that the adhesive layer contains a heat-melt adhesive An adhesive label for tires characterized by satisfying the following adhesive properties (A) and (B) while simultaneously satisfying the following adhesive properties (A) and (B) can solve the above-mentioned problems.

[0052] (A) The adhesive force to the SBR plate at 5° C. is a value of 7 N / 25 mm or more.

[0053] (B) Adhesion to the SBR plate at 40° C. is a value of 7 N / 25 mm or more.

[0054] 1( a ) to ( d ) respectively show a schematic cross-sectional structure in a state where a release film 12 is provided on the surface of the adhesive layer 11 .

[0055] 1. Substrate

[0056] (1) Type

[0057] The type and structure of the substrate 10 constituting a part of the adhesive label for tires shown in Figure 1 (a) to (d) are not particularly li...

Embodiment 1

[0142] 1. Production of adhesive labels for tires

[0143] 20.8% by mass of Clayton (KRATON) D-1112 (SIS, double block copolymer content: 40% by mass, styrene content: 15% by mass, Japan Clayton Polymer Co., Ltd. (KRATON POLYMER JAPAN), hereinafter referred to as "D-1112"), T-480X (softening point: 80°C aliphatic / aromatic copolymer petroleum resin, manufactured by Mitsui Chemicals Co., Ltd.) 44.5% by mass as an adhesion imparting agent, and PENSEL D- 125 (softening point: 125°C, polymerized rosin ester, manufactured by Arakawa Chemical Industries, hereinafter referred to as "D-125") 12.9% by mass, and Pureflex-SNH-100SP (paraffin-based lubricating oil, Sankyo Oil & Chemical Industry Co., Ltd. (hereinafter referred to as "SNH-100SP") 20.8% by mass, and 1% by mass of Irganox 1010 (hindered phenolic oxidation inhibitor, manufactured by Chiba Special Chemicals Co., Ltd.) as an oxidation inhibitor were uniformly mixed, and prepared as shown in Table 1. Matching hot-melt adhesive i...

Embodiment 2～5

[0173] In Examples 2 to 5, the same as in Example 1, with a die coater at 50 g / m 2 The amount of the hot-melt adhesive prepared as shown in Table 1 is applied to the above-mentioned release film, and then it is attached to a white PET film with an aluminum vapor deposition layer to make a tire with a release film. Labels were evaluated in the same manner as in Example 1.

[0174] In addition, for the combination of hot-melt adhesive components, in addition to the materials used in Example 1, Clayton (KRATON) D-1113 (SIS, double block copolymer content: 55% by mass, Styrene content: 16% by mass, manufactured by KRATONPOLYMER JAPAN, hereinafter referred to as "D-1113"), and PENSEL D-160 (softening point: above 150°C, polymerized rosin ester , Arakawa Chemical Industries, hereinafter referred to as "D-160"). The results obtained are listed in Table 1.

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Abstract

A pressure-sensitive adhesive sheet for a tire which has a base material and a pressure-sensitive adhesive layer, wherein said pressure-sensitive adhesive layer comprises a hot-melt type adhesive composition and further satisfies the following pressure-sensitive adhesion characteristics (A) and (B): (A) it exhibits a value of 7 N / 25 mm or more in terms of the pressure-sensitive adhesion strength to a SBR plate at 5 DEG C, and (B) it exhibits a value of 7 N / 25 mm or more in terms of the pressure-sensitive adhesion strength to a SBR plate at 40 DEG C. The above pressure-sensitive adhesive sheet exhibits a high pressure-sensitive adhesion strength to a tire in a wide range of temperature region and has a good pressure-sensitive adhesion strength also to a studless tire.

Description

technical field [0001] The present invention relates to an adhesive label for tires that has strong adhesion to tires in a wide temperature range and has good adhesion even to non-studded tires. Background technique [0002] In the past, stickers for tires called tire display trademarks, etc., were well known. In order to convey tire information and increase customers' desire to buy, it will have the manufacturer, brand, model (width, curvature, rim ratio), and usage of the tire marked on it. The sticky label of the tire display part such as precautions, etc., is pasted around the tire including the ground and used. That is to say, the adhesive label for tires generally uses a film with an aluminum vapor deposition layer as a support, and contains an adhesive layer mainly composed of rubber-like resin or alkyl acrylate resin on the support. constitute. [0003] In addition, it is also disclosed that polypropylene is used as the main component as the surface substrate, and ...

Claims

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Application Information

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IPC IPC(8): C09J7/02B60C19/00G09F3/10C09J7/29
CPCY10T428/2883C09J2400/143C09J2453/00G09F3/10Y10T428/2852Y10T428/2804B60C19/00C09J7/0221Y10T428/2848C09J7/0296Y10T428/2878Y10T428/2896Y10T428/28Y10T428/14C09J7/387C09J7/29B60C13/001C09J9/00
Inventor 田畠浩司
Owner LINTEC CORP
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