RESIN COMPOSITION, METHOD FOR PRODUCING SAME AND MULTI-LAYERED STRUCTURE USING SAME

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RESIN COMPOSITION, METHOD FOR PRODUCING SAME AND MULTI-LAYERED STRUCTURE USING SAME

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ITO YU / SUZUKI MAKOTO / OKAMOTO MAKOTO

A resin composition (E) includes from 0.1 to 20 parts by mass of an ethylene-vinyl alcohol copolymer (B), from 0.1 to 20 parts by mass of an acid-modified polyolefin (C), and from 0.1 to 10 parts by mass of an acid-modified polyolefin (D) based on 100 parts by mass of a polyolefin (A), wherein the polyolefin (A) has an MFR (190°C, under a load of 2.16 kg) from 0.01 to 10 g/10 min, the acid-modified polyolefin (C) has an acid value from 0.1 to 9 mg KOH/g, the acid-modified polyolefin (D) has an acid value of more than 10 mg KOH/g and 120 mg KOH/g or less, and a ratio (D/A) of an MFR (190°C, under a load of 2.16 kg) of the acid-modified polyolefin (D) to the MFR (190°C, under a load of 2.16 kg) of the polyolefin (A) is 50 or more. The resin composition (E) of the present invention causes reduction in the amount of deteriorated materials adhering to a screw and/or a die even when long-term continuous melt molding is conducted. Use of the resin composition (E) also allows production of a molded article exhibiting excellent impact resistance and appearance. The production method of the present invention allows long-term stable production of the resin composition (E).

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Title :

RESIN COMPOSITION, METHOD FOR PRODUCING SAME AND MULTI-LAYERED STRUCTURE USING SAME

Additional title:

HARZZUSAMMENSETZUNG, HERSTELLUNGSVERFAHREN DAFÜR UND MEHRSCHICHTIGE STRUKTUR DAMIT
COMPOSITION DE RÉSINE, SON PROCÉDÉ DE PRODUCTION ET STRUCTURE MULTICOUCHE L'UTILISANT

Contributors:

ITO YU (author) / SUZUKI MAKOTO (author) / OKAMOTO MAKOTO (author)

Publication date :

2024-03-27

Type of media :

Patent

Type of material :

Electronic Resource

Language :

English

Classification :

IPC:

B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen