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Thermosensitive adhesive material

A kind of adhesive material, heat-sensitive technology, applied in the direction of adhesive type, ester copolymer adhesive, nitrile copolymer adhesive, etc., can solve the problems such as inability to obtain adhesiveness, thermal responsiveness decline, etc.

Inactive Publication Date: 2009-01-14
RICOH KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although favorable adhesion is obtained for smooth surfaces such as plastic containers, glass bottles, and stainless steel plates, it cannot be obtained for targets having rough surfaces, corrugated surfaces, etc., such as corrugated cardboard surfaces and frosted surfaces. Adequate adhesiveness; also, due to the need to continue the heating for a long time, the thermal responsiveness decreases

Method used

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  • Thermosensitive adhesive material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0209] [0135] On single-side coated paper (OK ADNIS ROUGH, produced by Oji paper Co., Ltd.) - this single-side coated paper acts as a carrier and has 80 g / m 2 Paper basis weight of - on the surface of the side of which no coating is provided, a heat-sensitive adhesive layer coating solution [R solution] comprising a resin having a monomeric structure A is applied and dried so that its dry adhesion amount is 20g / m 2 , thus forming a heat-sensitive adhesive layer, and thus producing a heat-sensitive adhesive material.

Embodiment 2

[0211] [0136] A heat-sensitive adhesive layer was formed in a similar manner to Example 1, except that the resin having the monomer structure A was changed to the resin having the monomer structure B; and thus a heat-sensitive adhesive material was produced.

Embodiment 3

[0213] [0137] A heat-sensitive adhesive layer was formed in a similar manner to Example 1, except that the resin having the monomer structure A was changed to the resin having the monomer structure C; and thus a heat-sensitive adhesive material was produced.

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Abstract

An object of the present invention is to provide a thermosensitive adhesive material which is superior in blocking resistance when not active and which has adequate adhesion in a wide temperature range to a target with little smoothness such as corrugated fiberboard. Specifically, the present invention relates to a thermosensitive adhesive material including a support, and a thermosensitive adhesive layer provided on one surface of the support, the thermosensitive adhesive layer containing as essential components a thermoplastic resin and a hot-melt material that melts when heated, wherein the thermoplastic resin contains as a main component a (meth)acrylic copolymer in which acrylonitrile, a monomer component, occupies 5% by mass to 20% by mass of all monomer components, and wherein the glass transition temperature of the copolymer is in the range of -70 DEG C. to -30 DEG C.

Description

technical field [0001] [0001] The present invention relates to a heat-sensitive adhesive material having high adhesiveness to an object, which includes a heat-sensitive adhesive layer which does not have adhesiveness at normal temperature but exhibits adhesion by heating properties, and maintains the adhesiveness after exhibiting the adhesiveness. Further, the present invention relates to a heat-sensitive adhesive material which exhibits excellent adhesion to objects having little smoothness over a wide temperature range. Background technique [0002] [0002] Adhesive label sheets have been increasingly used in price display labels, product display (barcode) labels, product quality display labels, measurement display labels, advertising labels (stickers) and the like. Meanwhile, as a method of recording onto a label, various methods including an inkjet recording method, a heat-sensitive recording method, and a pressure-sensitive recording method have been developed. [0003...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J133/08G03G5/153B41M5/382
CPCG03G8/00B41M5/44B41M2205/04B41M5/504C08L33/08C08F212/08C08L9/02C08F218/08C08F220/06B41M2205/36C08F220/58B41M5/42C08F220/44C08L51/003G03G7/004C08F222/02C08L13/00C08L51/04C09J133/18Y10T428/2896C08F220/14C08F220/18B41M5/502C08L2666/04C08F220/1804C08F220/1808C08L2666/02
Inventor 新保齐山口岳人久我丰森田充展佐佐木贵之
Owner RICOH KK
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