Adhesive resin composition and multilayer body

A bonding resin and bonding resin technology, applied in the direction of synthetic resin layered products, fabrics, adhesives, etc., can solve the problems of difficult operation, unstable thermal history of tackifiers, and pollution of the working environment of molding machines, etc., to achieve Excellent film-forming properties and good appearance

Active Publication Date: 2008-08-27
MITSUBISHI RAYON CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0023] In addition, in the production of the above-mentioned adhesive resin, since the tackifier softens from around 40°C, it is difficult to handle, and since the tackifier is unstable to the heat history during the manufacture of the laminate, there is a problem of fuming, and there is a problem of contamination. At the same time, it will have a bad influence on the working environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～8、 comparative example 1～9

[0202]

[0203] The resin component (A), the resin component (B) and the resin component (C) of the type and amount shown in Table 3 were mixed so that their total amount was 100% by weight, and then 0.2% by weight was added to 100% by weight of the total amount Parts of phenolic antioxidant (Ciba Specialty Chemicals Inc. production, IRGANOX1010), 0.1 parts by weight of phosphorus antioxidant (Ciba Specialty Chemicals Inc. production, Irgafos 168), 0.03 parts by weight of neutralizer (Kyowa Chemical Co., Ltd. production, ALCAMIZER DHT-4A), mixed with a high-speed mixer for 1 minute, and melted at a screw speed of 100 rpm and an extrusion rate of 10 kg / hour using a twin-screw extruder "PCM30φ" (set temperature 210°C) manufactured by Ikegai Co., Ltd. Kneading, extruding into strands, cutting into pellets after cooling, to obtain an adhesive resin composition.

[0204]

[0205] Using a 3-resin 3-layer T-die molding machine manufactured by PLACO Co., Ltd., 3-layer co-extrusion...

Embodiment 9

[0228] [Example 9, Comparative Examples 10 and 11]

[0229]

[0230] Except having set it as the resin composition shown in Table 4, it carried out similarly to Examples 1-8 and Comparative Examples 1-9, and obtained the adhesive resin composition.

[0231]

[0232] A three-layer laminated film was formed in the same manner as in Examples 1 to 8 and Comparative Examples 1 to 9 except that the film constitution and die temperature shown in III and IV below were set.

[0233] In addition, "NOVATEC SF8402" produced by Nippon Polychem Co., Ltd. was used as polyethylene resin (PE), "NOVATEC FY4" produced by Nippon Polychem Co., Ltd. was used as polypropylene resin (PP), and Mitsubishi Co., Ltd. was used as polyester resin (PET). For "PA500D" produced by Rayon, the adhesive resin composition shown in Table 4 was used for the adhesive resin layer.

[0234] Film III: PE / adhesive resin layer / PET=4 / 1 / 3 (thickness ratio)

[0235] Total thickness = 80μm

[0236] (Adhesive resin lay...

Embodiment 10～27、 comparative example 12～30

[0250]

[0251] Except having set it as the resin composition shown in Tables 5-7, it carried out similarly to Examples 1-8 and Comparative Examples 1-9, and obtained the adhesive resin composition.

[0252]

[0253] A three-layer laminated film was formed in the same manner as in Examples 1 to 8 and Comparative Examples 1 to 9 except that the film constitution and die temperature shown in V and VI below were set.

[0254] In addition, as the non-crystalline polyethylene terephthalate resin (PET), "6763" manufactured by Eastman Chemicals (Vicat softening temperature (ASTM D1525) is 82°C, glass transition temperature (Tg) is 81°C ), as the homopolypropylene (PP), "NOVATEC PPFY4" (MFR (230°C): 5 g / 10 min, density: 0.90 g / cm 3 ), as the linear polyethylene (PE), "NOVATEC LLDSF8402" (MFR (190°C): 3g / 10min, density: 0.93g / cm2) produced by Nippon Polyethylene Co., Ltd. was used 3 ), and the adhesive resin composition shown in Tables 5-7 was used for the adhesive resin layer.

...

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Abstract

Disclosed is an adhesive resin composition which is excellent in adhesion, heat resistance, film formability and film-forming quality. Also disclosed is a multilayer body having an adhesive resin layer made of such an adhesive resin composition. Specifically disclosed is an adhesive resin composition containing 10-99.5% by weight of a resin component (A), 0.5-30% by weight of another resin component (unsaturated carboxylic acid-modified polypropylene), and 0-89.5% by weight of a still another resin component (olefin resin). The resin component (A) is a propylene-based product obtained by step-growth polymerization, which contains 10-60% by weight of a propylene homopolymer component and 40-90% by weight of a propylene-ethylene copolymer component. Relative to the resin component (A), the (a1)-derived content soluble in xylene at room temperature is 1-20% by weight, the (a2)-derived content insoluble in xylene at room temperature is less than 20% by weight, the (a2)-derived content soluble in xylene at room temperature is 10-60% by weight, and the content of a-olefins other than propylene in the (a2)-derived content soluble in xylene at room temperature is not less than 20% by weight.

Description

technical field [0001] The present invention relates to an adhesive resin composition and a laminate, and particularly relates to adhesive properties and heat resistance thereof useful in the manufacture of laminates by coextrusion molding, extrusion lamination or coextrusion lamination molding An adhesive resin composition excellent in properties, film-forming properties, and film-forming quality, and a laminate having an adhesive resin layer formed from the adhesive resin composition. [0002] The laminate of the present invention is useful as packaging materials for food, medical treatment or cosmetics, packaging materials for industrial parts, and the like. Background technique [0003] Conventionally, olefin-based resins such as ethylene-based resins or propylene-based resins are laminated on substrates such as various resin films or sheets, various metal foils or plates, and paper through an adhesive resin layer to form a laminate, thereby imparting The laminate has p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/10B32B27/32
CPCY10T442/678C08L23/142C08L23/10Y10T428/31909Y10T428/31692C08L2205/03C09J123/14Y10T428/31797Y10T442/3886C08L2205/02C08L2666/02
Inventor 池田睦子
Owner MITSUBISHI RAYON CO LTD
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