Title:
METHOD FOR PRODUCING RESIN COMPOSITION, AND RESIN COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2020/235310
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing: a method for producing a resin composition, which is capable of drastically improving the strength of a molded body that uses a resin composition containing cellulose fibers; and a resin composition. A method for producing a resin composition, which is characterized by comprising a step wherein a cellulose fiber composition containing 5-45 parts by mass of water with respect to a total of 100 parts by mass of (A) cellulose fibers and (B) an acrylic resin and/or a styrene acrylic resin is kneaded with (C) a thermoplastic resin, and water is removed from the kneaded product until the water content thereof falls to 1% or less, and which is also characterized in that: from 20 parts by mass to 200 parts by mass (inclusive) of the acrylic resin and/or the styrene acrylic resin (B) is blended with respect to 100 parts by mass of the cellulose fibers (A); and the dissolution amount of the acrylic resin and/or the styrene acrylic resin (B) in 100 g of water at 25°C is less than 1 g, and the glass transition temperature of the acrylic resin and/or the styrene acrylic resin (B) is 40-150°C.
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Inventors:
TERAO YUYA (JP)
KAWABATA TAKASHI (JP)
TSUNODA TAKAYUKI (JP)
SEKIGUCHI TAKAFUMI (JP)
KAWABATA TAKASHI (JP)
TSUNODA TAKAYUKI (JP)
SEKIGUCHI TAKAFUMI (JP)
Application Number:
PCT/JP2020/017928
Publication Date:
November 26, 2020
Filing Date:
April 27, 2020
Export Citation:
Assignee:
SEIKO PMC CORP (JP)
International Classes:
C08J3/20; C08F220/12; C08K7/08; C08L33/08; C08L101/00
Domestic Patent References:
| WO2019088300A1 | 2019-05-09 |
Foreign References:
| JP2017105983A | 2017-06-15 | |||
| JP2019073681A | 2019-05-16 | |||
| JP2002146116A | 2002-05-22 | |||
| JP2016104865A | 2016-06-09 | |||
| JP2018123980A | 2018-08-09 |
Attorney, Agent or Firm:
TSUTA Yasuhiro (JP)
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