JP2016094540A5 - - Google Patents

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JP2016094540A5
JP2016094540A5 JP2014231404A JP2014231404A JP2016094540A5 JP 2016094540 A5 JP2016094540 A5 JP 2016094540A5 JP 2014231404 A JP2014231404 A JP 2014231404A JP 2014231404 A JP2014231404 A JP 2014231404A JP 2016094540 A5 JP2016094540 A5 JP 2016094540A5
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Prior art keywords
thermoplastic resin
resin composition
melting point
manufacturing
low
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JP2014231404A
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JP6733076B2 (en
JP2016094540A (en
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Claims (6)

熱可塑性樹脂及び植物繊維から熱可塑性樹脂組成物を製造する方法であって、
リグニンを含むパルプ繊維を微細化処理してセルロースナノファイバーを得、
このセルロースナノファイバーを前記植物繊維として使用し、
融点100℃以下の低融点熱可塑性樹脂を前記熱可塑性樹脂として使用し、
前記セルロースナノファイバー及び前記低融点熱可塑性樹脂を、当該低融点熱可塑性樹脂を溶融させる温度以上で乾燥処理し、
得られた乾燥処理物を90〜130℃で一次混錬し、
得られた一次混錬物に低融点熱可塑性樹脂以外の樹脂を前記熱可塑性樹脂として添加し、更に相溶化剤を添加して二次混錬し、
得られた二次混錬物を熱可塑性樹脂組成物とする、
ことを特徴とする熱可塑性樹脂組成物の製造方法。
A method for producing a thermoplastic resin composition from a thermoplastic resin and plant fibers,
Cellulose nanofibers are obtained by refining pulp fibers containing lignin,
Using this cellulose nanofiber as the plant fiber,
Using a low melting point thermoplastic resin having a melting point of 100 ° C. or lower as the thermoplastic resin,
The cellulose nanofiber and the low-melting point thermoplastic resin are dried at a temperature equal to or higher than the temperature at which the low-melting point thermoplastic resin is melted,
The obtained dried processed product is first kneaded at 90 to 130 ° C.,
To the obtained primary kneaded product, a resin other than the low melting point thermoplastic resin is added as the thermoplastic resin, and a compatibilizing agent is further added, followed by secondary kneading,
The resulting secondary kneaded product is a thermoplastic resin composition.
A method for producing a thermoplastic resin composition.
前記低融点熱可塑性樹脂として低融点ポリプロピレンを使用し、
前記乾燥処理を90〜130℃で行う、
請求項1記載の熱可塑性樹脂組成物の製造方法。
Using low melting point polypropylene as the low melting point thermoplastic resin,
The drying treatment is performed at 90 to 130 ° C.
The manufacturing method of the thermoplastic resin composition of Claim 1.
前記乾燥処理に先立って、前記セルロースナノファイバーを固形分濃度7〜15質量%で水又は水系媒体に分散させた分散液の状態にし、この分散液及び前記低融点熱可塑性樹脂を乾燥処理する、
請求項1又は請求項2記載の熱可塑性樹脂組成物の製造方法。
Prior to the drying treatment, the cellulose nanofibers are dispersed in water or an aqueous medium at a solid content concentration of 7 to 15% by mass, and the dispersion and the low-melting thermoplastic resin are dried.
The manufacturing method of the thermoplastic resin composition of Claim 1 or Claim 2.
前記セルロースナノファイバーの濃度を2%(w/w)とした場合における前記分散液のB型粘度が100〜1000cpsとなるように前記微細化処理を行う、
請求項3記載の熱可塑性樹脂組成物の製造方法。
When the concentration of the cellulose nanofiber is 2% (w / w), the micronization treatment is performed so that the B-type viscosity of the dispersion is 100 to 1000 cps.
The manufacturing method of the thermoplastic resin composition of Claim 3.
前記セルロースナノファイバーのパルプ粘度が3.5〜4.0cpsとなるように前記微細化処理を行う、
請求項1〜4のいずれか1項に記載の熱可塑性樹脂組成物の製造方法。
The micronization treatment is performed so that the pulp viscosity of the cellulose nanofiber is 3.5 to 4.0 cps.
The manufacturing method of the thermoplastic resin composition of any one of Claims 1-4.
下記触手試験において、繊維状物が残存しないように前記微細化処理を行う、
請求項1〜5のいずれか1項に記載の熱可塑性樹脂組成物の製造方法。
(触手試験)
2%セルロースナノファイバー水分散液1mLを人差し指に乗せ、当該分散液を親指と人差し指とで挟み、20回親指を周回させる。親指と人差し指との間に繊維状物が残存するか否かについて目視にて確認する。
In the following tentacle test, the above-mentioned refinement treatment is performed so that no fibrous material remains.
The manufacturing method of the thermoplastic resin composition of any one of Claims 1-5.
(Tentacle test)
Place 1 mL of a 2% cellulose nanofiber aqueous dispersion on the index finger, sandwich the dispersion with the thumb and index finger, and rotate the thumb 20 times. It is visually confirmed whether or not the fibrous material remains between the thumb and the index finger.
JP2014231404A 2014-11-14 2014-11-14 Method for producing thermoplastic resin composition Active JP6733076B2 (en)

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JP2016094540A JP2016094540A (en) 2016-05-26
JP2016094540A5 true JP2016094540A5 (en) 2017-12-28
JP6733076B2 JP6733076B2 (en) 2020-07-29

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Publication number Priority date Publication date Assignee Title
JP6982122B2 (en) * 2015-07-15 2021-12-17 大王製紙株式会社 Method for manufacturing thermoplastic resin composition
JP6618188B2 (en) * 2016-08-12 2019-12-11 株式会社Tbm Resin composition
JP6974969B2 (en) * 2017-07-06 2021-12-01 三井化学株式会社 Method for producing cellulosic fiber reinforced resin composition and foam thereof
JP6799565B2 (en) * 2018-05-31 2020-12-16 大王製紙株式会社 Fibrous cellulose and its manufacturing method, and fibrous cellulose composite resin and its manufacturing method
JP7220534B2 (en) * 2018-08-09 2023-02-10 大王製紙株式会社 Method for producing fibrous cellulose and method for producing fibrous cellulose composite resin
CN112996859A (en) * 2018-11-07 2021-06-18 松下知识产权经营株式会社 Resin composition
JP7453759B2 (en) * 2019-08-06 2024-03-21 成康 町田 Roll manufacturing method
CN113549261A (en) * 2020-04-26 2021-10-26 合肥杰事杰新材料股份有限公司 Electret melt-blown polypropylene material and preparation method thereof
CN114736455A (en) * 2022-03-24 2022-07-12 金发科技股份有限公司 Nano-cellulose reinforced PP composite material and preparation method and application thereof
JP2023183080A (en) * 2022-06-15 2023-12-27 出光興産株式会社 Pellet-like masterbatch, resin composition, and method for producing resin composition

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JP2006291214A (en) * 2003-07-30 2006-10-26 Mitsubishi Plastics Ind Ltd Injection-molded article, process for producing the same, and pellet used for injection molded article
JP5079221B2 (en) * 2004-11-26 2012-11-21 出光興産株式会社 Masterbatch composition, polyolefin resin composition containing the same, and molded article thereof
JP5398180B2 (en) * 2007-06-11 2014-01-29 国立大学法人京都大学 Lignin-containing microfibrillated plant fiber and method for producing the same
JP5921339B2 (en) * 2012-05-30 2016-05-24 住友精化株式会社 Fiber composite material and method for producing the same
JP5389286B1 (en) * 2012-06-22 2014-01-15 サンキョー化成株式会社 Plant-based resin pellet, method for producing the same, and molded product thereof
JP2014193959A (en) * 2013-03-28 2014-10-09 Oji Holdings Corp Plant fiber-containing resin composition and production method thereof
JP6243819B2 (en) * 2014-09-05 2017-12-06 大王製紙株式会社 Cellulose nanofiber, structure, laminate and method for producing cellulose nanofiber
JP6191584B2 (en) * 2014-11-14 2017-09-06 国立研究開発法人産業技術総合研究所 Method for producing thermoplastic resin composition
JP6243318B2 (en) * 2014-11-14 2017-12-06 国立研究開発法人産業技術総合研究所 Thermoplastic resin composition
JP6460736B2 (en) * 2014-11-14 2019-01-30 国立研究開発法人産業技術総合研究所 Thermoplastic resin composition

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