JP2020015893A5 - - Google Patents

Download PDF

Info

Publication number
JP2020015893A5
JP2020015893A5 JP2019069851A JP2019069851A JP2020015893A5 JP 2020015893 A5 JP2020015893 A5 JP 2020015893A5 JP 2019069851 A JP2019069851 A JP 2019069851A JP 2019069851 A JP2019069851 A JP 2019069851A JP 2020015893 A5 JP2020015893 A5 JP 2020015893A5
Authority
JP
Japan
Prior art keywords
pigment dispersion
aqueous pigment
producing
range
aqueous
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.)
Granted
Application number
JP2019069851A
Other languages
Japanese (ja)
Other versions
JP2020015893A (en
JP6863399B2 (en
Filing date
Publication date
Application filed filed Critical
Publication of JP2020015893A publication Critical patent/JP2020015893A/en
Publication of JP2020015893A5 publication Critical patent/JP2020015893A5/ja
Application granted granted Critical
Publication of JP6863399B2 publication Critical patent/JP6863399B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (8)

混練装置が備える容器に、少なくとも顔料と樹脂とを供給する工程［１］、前記容器の内容物（ａ１）を、２５℃での動的粘弾性測定によって求められる角周波数１ｒａｄ／ｓにおける貯蔵弾性率が２００ｋＰａ〜３００００ｋＰａの範囲内になるまで混練する工程［２］、前記工程［２］で得られた顔料混練物と、水性媒体とを混合する工程［３］、及び、前記工程［３］で得られた水性顔料分散体を、円筒型遠心分離装置を用い３０℃〜７０℃の範囲内で遠心分離処理する工程［４］を含む水性顔料分散体の製造方法。 In the step of supplying at least the pigment and the resin to the container provided in the kneading device [1], the content (a1) of the container is stored elastic at an angular frequency of 1 rad / s determined by dynamic viscoelasticity measurement at 25 ° C. A step of kneading until the ratio is within the range of 200 kPa to 30,000 kPa [2] , a step of mixing the pigment kneaded product obtained in the step [2] with an aqueous medium [3], and the step [3]. A method for producing an aqueous pigment dispersion, which comprises a step [4] of centrifuging the aqueous pigment dispersion obtained in (1) in the range of 30 ° C. to 70 ° C. using a cylindrical centrifuge device. 前記内容物（ａ１）の不揮発分が５０質量％以上である請求項１に記載の水性顔料分散体の製造方法。 The method for producing an aqueous pigment dispersion according to claim 1, wherein the non-volatile content of the content (a1) is 50% by mass or more. 前記工程［２］は、前記内容物（ａ１）の温度を６０℃〜１２０℃の範囲内に維持した状態で行う工程である請求項１または２に記載の水性顔料分散体の製造方法。 The method for producing an aqueous pigment dispersion according to claim 1 or 2, wherein the step [2] is a step performed in a state where the temperature of the content (a1) is maintained in the range of 60 ° C. to 120 ° C. 前記混練装置が閉鎖型混練装置である請求項１〜３のいずれか１項に記載の水性顔料分散体の製造方法。 The method for producing an aqueous pigment dispersion according to any one of claims 1 to 3, wherein the kneading device is a closed kneading device. 前記混練装置がプラネタリーミキサーである請求項４に記載の水性顔料分散体の製造方法。 The method for producing an aqueous pigment dispersion according to claim 4, wherein the kneading device is a planetary mixer. 前記工程［３］は、前記顔料混練物に対して前記水性媒体を供給することによって水性顔料分散体の不揮発分を１０質量％〜３０質量％の範囲に調整する工程である請求項１〜５のいずれか１項に記載の水性顔料分散体の製造方法。００９１ The step [3] is a step of adjusting the non-volatile content of the aqueous pigment dispersion in the range of 10% by mass to 30% by mass by supplying the aqueous medium to the pigment kneaded product. The method for producing an aqueous pigment dispersion according to any one of the above. 0091 前記工程［４］は、前記工程［３］で得られた水性顔料分散体として２５℃での粘度が１３ｍＰａ・ｓ以下の水性顔料分散体を用い、それを円筒型遠心分離装置で、遠心分離処理する工程である請求項６に記載の水性顔料分散体の製造方法。００９８ In the step [4], an aqueous pigment dispersion having a viscosity of 13 mPa · s or less at 25 ° C. is used as the aqueous pigment dispersion obtained in the step [3], and the aqueous pigment dispersion is centrifuged by a cylindrical centrifuge. The method for producing an aqueous pigment dispersion according to claim 6, which is a step of treating. 0098 前記工程［４］は、前記円筒型遠心分離装置が備えるローターに、前記工程［３］で得られた前記水性顔料分散体を供給し、前記水性顔料分散体の温度を３０℃〜７０℃の範囲内に維持して遠心分離処理する工程であって、前記ローターの容積に対する前記工程［３］で得られた水性顔料分散体の供給量（体積）の比率［前記工程［３］で得られた水性顔料分散体の供給量（体積）／ローターの容積］×１００が１０００％〜８０００％であり、かつ、前記円筒型遠心分離装置の遠心加速度が８０００Ｇ〜２００００Ｇの範囲である請求項７に記載の水性顔料分散体の製造方法。１００−１０１ In the step [4], the aqueous pigment dispersion obtained in the step [3] is supplied to the rotor provided in the cylindrical centrifuge, and the temperature of the aqueous pigment dispersion is set to 30 ° C. to 70 ° C. It is a step of maintaining within the range and performing the centrifugation treatment, and the ratio of the supply amount (volume) of the aqueous pigment dispersion obtained in the step [3] to the volume of the rotor [obtained in the step [3]. The supply amount (volume) of the aqueous pigment dispersion / the volume of the rotor] × 100 is 1000% to 8000%, and the centrifugal acceleration of the cylindrical centrifuge is in the range of 8000G to 20000G. The method for producing an aqueous pigment dispersion according to the above. 100-101
JP2019069851A 2018-07-17 2019-04-01 Method for Producing Pigment Kneaded Product and Aqueous Pigment Dispersion Active JP6863399B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018134122 2018-07-17
JP2018134122 2018-07-17

Publications (3)

Publication Number Publication Date
JP2020015893A JP2020015893A (en) 2020-01-30
JP2020015893A5 true JP2020015893A5 (en) 2020-10-08
JP6863399B2 JP6863399B2 (en) 2021-04-21

Family

ID=69581296

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019069851A Active JP6863399B2 (en) 2018-07-17 2019-04-01 Method for Producing Pigment Kneaded Product and Aqueous Pigment Dispersion

Country Status (1)

Country Link
JP (1) JP6863399B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022147738A (en) * 2021-03-23 2022-10-06 富士フイルムビジネスイノベーション株式会社 Manufacturing method of carrier for electrostatic charge image development, manufacturing method of electrostatic charge image developer, image formation method and carrier for electrostatic charge image development

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4534118B2 (en) * 2003-07-31 2010-09-01 Ｄｉｃ株式会社 Aqueous pigment dispersion and method for producing the same
JP4561053B2 (en) * 2003-08-13 2010-10-13 Ｄｉｃ株式会社 Kneaded product for aqueous pigment dispersion and method for producing aqueous pigment dispersion and ink composition using the same
JP2009062466A (en) * 2007-09-07 2009-03-26 Toyo Ink Mfg Co Ltd Method for preparing finely pulverized organic pigment
JP6075931B2 (en) * 2009-07-10 2017-02-08 Dic株式会社 Method for producing aqueous pigment dispersion
JP2012219144A (en) * 2011-04-06 2012-11-12 Dic Corp Method for producing aqueous pigment dispersion for inkjet recording, aqueous pigment dispersion for inkjet recording, and aqueous ink for inkjet recording
JP6136288B2 (en) * 2013-01-18 2017-05-31 Dic株式会社 Method for producing aqueous pigment dispersion and aqueous ink for inkjet recording
JP6705164B2 (en) * 2015-12-21 2020-06-03 Dic株式会社 Method for producing aqueous pigment dispersion

Similar Documents

Publication Publication Date Title
CA1117107A (en) Chemical-mechanical starch conversion
JP6577457B2 (en) Crosslinked siloxanyl polymer composition
JP2020015893A5 (en)
AR051574A1 (en) PROCEDURE FOR PREPARATION OF A POWDERED PRODUCT
JP7175028B2 (en) Silicone 3D printing ink
WO2013185504A1 (en) Composition and method for improving viscosity of polysiloxane
CN111116975B (en) Pickering emulsion gel based on mutual attraction of liquid drops and preparation method thereof
JP2016110095A5 (en)
CN107987285A (en) A kind of conduction injection aquagel and preparation method thereof
Madrigal et al. Microfluidic generation of alginate microgels for the controlled delivery of lentivectors
JPWO2012081431A1 (en) Method for producing pseudopolyrotaxane aqueous dispersion
Kim et al. Preparation of novel RGD-conjugated thermosensitive mPEG-PCL composite hydrogels and in vitro investigation of their impacts on adhesion-dependent cellular behavior
Singh et al. Viscoelastic changes and cell opening of reacting polyurethane foams from soy oil
CN104548114B (en) Preparation method of inorganic-organic compound aerogel drug carrier
CN106398585B (en) A kind of starch glue and preparation method thereof
WO2018164003A1 (en) Temperature-responsive hydrogel and method for producing same
CN105992800A (en) Heat resistant resin and preparation method therefor
CN107603538A (en) A kind of epoxidized block copolymer adhesive and preparation method thereof
CN108395554A (en) A kind of sodium alginate pectin composite membrane high in fat and preparation method thereof
JP2005060431A5 (en)
Ma et al. Control of PDMS crosslinking by encapsulating a hydride crosslinker in a PMMA microcapsule
JP2008036626A5 (en)
JP2013142116A (en) Method for producing latex foam
JP3659909B2 (en) Manufacturing method for painted products
US20160016341A1 (en) Method for making impact-absorptive material