WO2025187601A8 - Poudre de résine - Google Patents

Poudre de résine

Info

Publication number
WO2025187601A8
WO2025187601A8 PCT/JP2025/007401 JP2025007401W WO2025187601A8 WO 2025187601 A8 WO2025187601 A8 WO 2025187601A8 JP 2025007401 W JP2025007401 W JP 2025007401W WO 2025187601 A8 WO2025187601 A8 WO 2025187601A8
Authority
WO
WIPO (PCT)
Prior art keywords
resin powder
particles
particle diameter
based polymer
vinyl alcohol
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/JP2025/007401
Other languages
English (en)
Japanese (ja)
Other versions
WO2025187601A1 (fr
Inventor
真輔 新居
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kuraray Co Ltd
Original Assignee
Kuraray Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kuraray Co Ltd filed Critical Kuraray Co Ltd
Publication of WO2025187601A1 publication Critical patent/WO2025187601A1/fr
Publication of WO2025187601A8 publication Critical patent/WO2025187601A8/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F216/00—Copolymers 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
    • C08F216/02—Copolymers 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 by an alcohol radical
    • C08F216/04—Acyclic compounds
    • C08F216/06—Polyvinyl alcohol ; Vinyl alcohol
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/12—Hydrolysis
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

L'invention fournit une poudre de résine qui comprend un polymère à base d'alcool vinylique, et dont l'efficacité de séchage est améliorée. Plus précisément, l'invention concerne une poudre de résine qui comprend un polymère à base d'alcool vinylique, dont le diamètre particulaire moyen est compris entre １００ et ２０００μｍ, et qui présente un nombre supérieur ou égal à 10 de particules présentant des bulles supérieures ou égales à １μｍ parmi 100 particules prélevées arbitrairement parmi des particules de diamètre particulaire compris entre １０６ et １０００μｍ.
PCT/JP2025/007401 2024-03-04 2025-03-03 Poudre de résine Pending WO2025187601A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2024-032334 2024-03-04
JP2024032334 2024-03-04

Publications (2)

Publication Number Publication Date
WO2025187601A1 WO2025187601A1 (fr) 2025-09-12
WO2025187601A8 true WO2025187601A8 (fr) 2025-10-02

Family

ID=96990855

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2025/007401 Pending WO2025187601A1 (fr) 2024-03-04 2025-03-03 Poudre de résine

Country Status (2)

Country Link
TW (1) TW202547892A (fr)
WO (1) WO2025187601A1 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI688577B (zh) * 2014-06-04 2020-03-21 日商可樂麗股份有限公司 聚乙烯醇粉體及其製造方法
JP2019065059A (ja) * 2016-02-10 2019-04-25 株式会社クラレ グラフト共重合体からなる粉末及びその製造方法

Also Published As

Publication number Publication date
WO2025187601A1 (fr) 2025-09-12
TW202547892A (zh) 2025-12-16

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