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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11597824 B1

PDFFull Text
Date of Patent:
Mar. 07, 2023

Filed:

Mar. 28, 2022

Odor-adsorbing molded article resin composition, odor-adsorbing molded article, and packaging material

Applicant:

Dai Nippon Printing Co., Ltd., Tokyo, JP;

Inventors:

Naoya Takeuchi, Tokyo, JP;

Yoshihiko Suzuki, Tokyo, JP;

Tomohiro Yonemoto, Tokyo, JP;

Assignee:

DAI NIPPON PRINTING CO., LTD., Tokyo, JP;

Attorney:

Hamre, Schumann, Mueller & Larson, P.C.

Primary Examiner:

Michael C Miggins

Int. Cl.
CPC ...
C08L 23/06 (2006.01); B32B 27/18 (2006.01); B32B 27/32 (2006.01); B65D 65/40 (2006.01); B65D 77/06 (2006.01); C08K 9/12 (2006.01);
U.S. Cl.
CPC ...
C08L 23/06 (2013.01); B32B 27/18 (2013.01); B32B 27/32 (2013.01); B65D 65/40 (2013.01); B65D 77/06 (2013.01); C08K 9/12 (2013.01); C08L 2207/066 (2013.01);
Abstract

An object of the present invention is to provide a resin composition for an odor-adsorbing molded article that is excellent in manufacturability, eliminates odor by exerting a high adsorbing effect on odorous organic matter originally contained in packaging materials and odor generated by the decomposition, etc. of resins constituting packages during disinfection/sterilization treatment such as UV irradiation, hot packing, boiling, γ ray irradiation, or EB irradiation, is less likely to desorb the odor once adsorbed and capable of efficiently adsorbing odor and therefore exerts a high adsorbing effect over a long period without reducing the ability to adsorb odor, and is excellent in resistance to change in taste and odor of contents, and an odor-adsorbing molded article prepared from the resin composition for an odor-adsorbing molded article. The present invention provides a resin composition for an odor-adsorbing molded article comprising at least thermoplastic resin A and an odor adsorbent material, wherein the odor adsorbent material comprises hydrophobic zeolite having a SiO/AlOmolar ratio of 30/1 to 8000/1, and a melt flow rate of the thermoplastic resin A is 5 g/min or more and 100 g/min or less, and an odor-adsorbing molded article prepared from the resin composition for an odor-adsorbing molded article.

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