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Patent Searching and Data


Title:
MASTERBATCH, PREFORM, BLOW-MOLDED BOTTLE, BEVERAGE PRODUCT, FILM, METHOD FOR PRODUCING PREFORM, AND METHOD FOR PRODUCING BLOW-MOLDED BOTTLE
Document Type and Number:
WIPO Patent Application WO/2023/120596
Kind Code:
A1
Abstract:
The purpose of the present disclosure is to provide: a masterbatch which, for PET/PEF blend molding, does not require extra molding time, can achieve stabilized molding, and further, makes it possible to obtain a good quality molded article; a preform; a blow-molded bottle; a film; a beverage product; a method for producing a preform; a method for producing a blow-molded bottle; and a method for producing a film. A masterbatch according to the present disclosure contains a polyester resin (A) comprising a terephthalic acid-derived structural unit (A-1) and an aliphatic diol-derived structural unit (A-2), and a polyester resin (B) comprising a 2,5-furandicarboxylic acid-derived structural unit (B-1) and a 1,2-ethanediol-derived structural unit (B-2). The content ratio of the polyester resin (B), determined by (formula 1), is 45 mass% to 90 wt%, and the intrinsic viscosity (IV value), measured under (condition 1), is 0.50 dl/g to 1.20 dl/g.

Inventors:
YAMAGUCHI YOHEI (JP)
NAKAYA MASAKI (JP)
OOKUBO TATSUNORI (JP)
SATO TAKASHI (JP)
SHIRAHAMA RIE (JP)
KATO SATOSHI (JP)
Application Number:
PCT/JP2022/047191
Publication Date:
June 29, 2023
Filing Date:
December 21, 2022
Export Citation:
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Assignee:
KIRIN HOLDINGS KK (JP)
MITSUBISHI CHEM CORP (JP)
International Classes:
C08J3/22; B65D1/00; B65D65/02; C08J5/18; C08L67/02
Domestic Patent References:
WO2020158903A12020-08-06
Foreign References:
JP2018104070A2018-07-05
JP2018518396A2018-07-12
JP2017509773A2017-04-06
JP2018204005A2018-12-27
JP2019104161A2019-06-27
JPH11106617A1999-04-20
JPH0770419A1995-03-14
US20180346662A12018-12-06
CN107840948A2018-03-27
Attorney, Agent or Firm:
IMASHITA, Katsuhiro et al. (JP)
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