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Adhesive material, adhesive film and method of use thereof

A film and substrate layer technology, applied in chemical instruments and methods, film/sheet adhesives, adhesives, etc., can solve problems such as performance or quality of adhesive materials that have not been recorded, and achieve superior transparency and energy saving , good adhesion properties and heat resistance effects

Inactive Publication Date: 2007-05-09
MITSUI CHEM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no description of the performance or quality of adhesive materials required for various applications other than surface protection applications and transportation and storage applications in the fields of electronic and semiconductor materials, optical and display materials, etc., which require strict performance and quality.

Method used

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  • Adhesive material, adhesive film and method of use thereof
  • Adhesive material, adhesive film and method of use thereof
  • Adhesive material, adhesive film and method of use thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0155] As the material of each layer constituting the adhesive film 10, the following materials are used. That is, as the components constituting the base material layer 1, propylene·ethylene·1-butene random copolymer (rPP: ethylene component 5 mol%, 1-butene component 5 mol%, density 0.91g / cm 3 , MFR (according to JISK7210-1999, measured with a load of 2.16kg at a temperature of 230°C, the same as below): 7.2g / 10 minutes) 88 parts by weight, and ethylene·1-butene copolymer (EB-A: density 0.88g / cm 3 , MFR (temperature 190℃, load 2.16kg): 3.6g / 10 minutes) 10 parts by weight, and high-density polyethylene (HDPE: density 0.96g / cm 3, MFR (temperature 190℃, load 2.16kg): 6.0g / 10 minutes) 20 parts by weight, as the component constituting the adhesive layer 2, syndiotactic propylene·ethylene copolymer (sPER: 77 mol% of propylene, ethylene Composition: 23 mol%, MFR (temperature 230°C, load 2.16 kg): 5.0 g / 10 minutes) 80 parts by weight, and syndiotactic polypropylene (sPP: ATOFINA PETROC...

Embodiment 2

[0162] As the material of each layer constituting the adhesive film 10, the following materials are used. That is, as the components constituting the outer layer 4, 88 parts by weight of the same HDPE as in Example 1 and low-density polyethylene (LDPE: density 0.92g / cm 3 , MFR (temperature 190°C, load 2.16kg): 7.2g / 10 minutes) 20 parts by weight; as the components constituting the intermediate layer 3, 88 parts by weight of the same rPP as in Example 1 and 10 parts by weight of EB-A were used, and 2 parts by weight of HDPE; as a component constituting the adhesive layer 2, syndiotactic propylene·ethylene copolymer (sPER: 77 mol% of propylene content, 23 mol% of ethylene content, MFR (temperature 230°C, load 2.16 kg): 5.0 g / 10 minutes) 90 parts by weight, and 10 parts by weight of the same sPP as in Example 1.

[0163] FIG. 8 is a measurement graph of a DSC test of sPER / sPP=90 / 10 (wt / wt) which is an adhesive material constituting the adhesive material layer 2. The melting temperatu...

Embodiment 3

[0170] As the material of each layer constituting the adhesive film 10, the following materials are used. That is, as the component constituting the outer layer 4, 80 parts by weight of the same HDPE as in Example 1 and 20 parts by weight of the same LDPE as in Example 2 were used; as the component of the intermediate layer 3, 88 parts by weight of rPP was used as in Example 1. , And EB-A 10 parts by weight, and HDPE 2 parts by weight; as the components constituting the adhesive layer 2, an isotactic propylene·ethylene·1-butene copolymer (iPEBR: 78 mol% of propylene, 16% of ethylene is used) Mol%, 1-butene content 6 mol%, MFR (temperature 230°C, load 2.16kg): 6g / 10 minutes) 90 parts by weight, isotactic polypropylene (iPP: density 0.91g / cm 3 , MFR (temperature 230°C, load 2.16kg): 7g / 10 minutes) 10 parts by weight.

[0171] FIG. 8 is a measurement graph of a DSC test of sPEBR / iPP=90 / 10 (wt / wt) which is an adhesive material constituting the adhesive material layer 2. The melting te...

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Abstract

An adhesive material and pressure sensitive adhesive film containing the same, characterized in that they satisfy the following requirements (a) and (b). These adhesive material and pressure sensitive adhesive film exhibit excellent stability against not only light and heat but also various chemicals. Consequently, they find suitable application in surface protection uses, transport storage uses, heat treatment uses, grinding polish uses and cutting working uses in the fields of electronic / semiconductor materials, optical / display materials, etc. wherein demands for performance and quality are strict. The above requirements are: (a) an olefinic polymer is contained, and (b) in the measurement according to differential scanning calorimetry test, the melting temperature (Tm) is in the range of 80 to 180 DEG C while the melting heat (DeltaH) is at least 1 J / g.

Description

Technical field [0001] The present invention relates to adhesive materials, adhesive films and methods of use thereof. Background technique [0002] As an adhesive material, in the "Adhesive Technical Manual, First Edition Issued by Nikkan Kogyo Shimbun", edited by Donatas Satas and translated by Hiroshi Mizumachi, published natural rubber-based adhesives and styrene / butadiene latex-based adhesives Agent, thermoplastic rubber, ABA block copolymer, butyl rubber, acrylic adhesive, acrylic dispersion modification, vinyl ether polymer, silicone rubber adhesive, styrene-butadiene rubber, butadiene-propylene Nitrile rubber, polyisobutylene, polybutadiene, polychloroprene rubber, polyurethane, ethylene-vinyl acetate copolymer, random polypropylene, etc. In particular, acrylic adhesives or rubber-based adhesives are widely used in various applications according to records. [0003] As an adhesive film, many substrate films such as polyvinyl chloride, polyethylene terephthalate (PET), pol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J7/02C09J123/00C09J123/14
CPCC09J2203/31Y10T156/1052B32B2310/0843C09J7/021Y10T428/28C09J2423/00C09J123/14C09J7/381C09J9/00C09J2301/30
Inventor 相原伸尾崎胜敏森亮二猿渡益巳横山孝
Owner MITSUI CHEM INC