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公开(公告)号：US20230193014A1
公开(公告)日：2023-06-22
申请号：US17630251
申请日：2020-05-19
Applicant: KURARAY CO., LTD.
Inventor： Yu Ito , Makoto Okamoto , Makoto Suzuki
CPC classification number: C08L31/04 , B29C45/1753 , C08K3/26 , C08K2003/262
Abstract: A purging agent of the present invention contains a resin composition containing a hydrophilic resin (A), water (B), and a basic compound (C). The mass ratio (A)/(B) of the hydrophilic resin (A) to the water (B) is 66/34 to 90/10, and the content of the basic compound (C) is 0.25 to 7 parts by mass with respect to 100 parts by mass of the hydrophilic resin (A).
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公开(公告)号：US11149143B2
公开(公告)日：2021-10-19
申请号：US16631202
申请日：2018-07-23
Applicant: KURARAY CO., LTD.
Inventor： Yu Ito , Makoto Suzuki , Makoto Okamoto
Abstract: 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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