Title:
アクリル系ブロック共重合体ペレットの製造方法
Document Type and Number:
Japanese Patent JP7166199
Kind Code:
B2
Abstract:
To provide a pellet of an acrylic block copolymer which can sufficiently prevent agglutination.SOLUTION: A method for producing a pellet (D) of an acrylic block copolymer (A) includes: a step of bringing a raw material pellet of an acrylic block copolymer (A) having at least one polymer block (a1) composed of an acrylic acid alkyl ester unit and at least one polymer block (a2) composed of a methacrylic acid alkyl ester unit into contact with a mixed liquid (I); and a step of removing a solvent of the mixed liquid (I) bonded to the pellet, in which the mixed liquid (I) contains acrylic emulsion (B) containing methacrylic resin particles and an anionic surface active agent and a water-soluble thickening agent (C), concentration of the methacrylic resin particles is 0.10 mass% or more and 2.0 mass% or less, and concentration of the water-soluble thickening agent (C) is 0.0015 mass% or more and 0.015 mass% or less.SELECTED DRAWING: None
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Inventors:
Akai Makoto
Tomohiro Ono
Hiroshi Oshima
Takeaki Kato
Tomohiro Ono
Hiroshi Oshima
Takeaki Kato
Application Number:
JP2019035725A
Publication Date:
November 07, 2022
Filing Date:
February 28, 2019
Export Citation:
Assignee:
KURARAY CO.,LTD.
International Classes:
C08J3/12; C08L33/10; C08L53/00; C08L71/02
Domestic Patent References:
| JP2009120665A | ||||
| JP2016104830A | ||||
| JP2003253005A |
Foreign References:
| WO2007094271A1 | ||||
| WO2019239878A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation SS International Patent Office