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1. WO2022045208 - MODIFIED ETHYLENE–VINYL ALCOHOL RESIN AND PRODUCTION METHOD THEREFOR

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Publication Number WO/2022/045208
Publication Date 03.03.2022
International Application No. PCT/JP2021/031209
International Filing Date 25.08.2021
IPC
C08F 8/14 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
8Chemical modification by after-treatment
14Esterification
C08F 216/06 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
216Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical
02by an alcohol radical
04Acyclic compounds
06Polyvinyl alcohol
CPC
C08F 216/06
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
216Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical
02by an alcohol radical
04Acyclic compounds
06Polyvinyl alcohol ; ; Vinyl alcohol
C08F 8/14
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
8Chemical modification by after-treatment
14Esterification
Applicants
  • 三菱ケミカル株式会社 MITSUBISHI CHEMICAL CORPORATION [JP]/[JP]
Inventors
  • 小林　裕太 KOBAYASHI Yuuta
  • 矢野　友健 YANO Tomotake
Agents
  • 西藤　征彦 SAITOH Yukihiko
  • 井▲崎▼　愛佳 IZAKI Aika
  • 西藤　優子 SAITO Yuko
  • 寺尾　茂泰 TERAO Shigeyasu
Priority Data
2020-14592131.08.2020JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) MODIFIED ETHYLENE–VINYL ALCOHOL RESIN AND PRODUCTION METHOD THEREFOR
(FR) RÉSINE D'ÉTHYLÈNE-ALCOOL VINYLIQUE MODIFIÉE ET SON PROCÉDÉ DE PRODUCTION
(JA) 変性エチレン－ビニルアルコール系樹脂およびその製造方法
Abstract
(EN) Provided is a modified EVOH resin that has suppressed excessive decrease in melting point and includes an aliphatic polyester unit. The average chain length for the aliphatic polyester unit in the modified EVOH resin is at least 1.5.
(FR) L'invention concerne une résine EVOH modifiée qui présente une suppression de la diminution excessive du point de fusion et comprend une unité polyester aliphatique. La longueur de chaîne moyenne pour l'unité polyester aliphatique dans la résine EVOH modifiée est d'au moins 1,5.
(JA) 融点の過度な低下が抑制された変性ＥＶＯＨ系樹脂として、脂肪族ポリエステル単位を含む変性ＥＶＯＨ系樹脂であって、前記変性ＥＶＯＨ系樹脂中の脂肪族ポリエステル単位の平均鎖長が１．５個以上である変性ＥＶＯＨ系樹脂を提供する。
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