JP2014180661A - スクリュー押出機を用い、水系着色剤分散物を連続的に作成する方法 - Google Patents
スクリュー押出機を用い、水系着色剤分散物を連続的に作成する方法 Download PDFInfo
- Publication number
- JP2014180661A JP2014180661A JP2014035249A JP2014035249A JP2014180661A JP 2014180661 A JP2014180661 A JP 2014180661A JP 2014035249 A JP2014035249 A JP 2014035249A JP 2014035249 A JP2014035249 A JP 2014035249A JP 2014180661 A JP2014180661 A JP 2014180661A
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- Prior art keywords
- screw extruder
- dispersion
- pigment
- water
- colorant
- 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
Links
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Images
Classifications
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- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0071—Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
- C09B67/0084—Dispersions of dyes
- C09B67/0085—Non common dispersing agents
- C09B67/0086—Non common dispersing agents anionic dispersing agents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0071—Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
- C09B67/0084—Dispersions of dyes
- C09B67/0085—Non common dispersing agents
- C09B67/0088—Non common dispersing agents cationic dispersing agents
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0071—Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
- C09B67/0084—Dispersions of dyes
- C09B67/0085—Non common dispersing agents
- C09B67/009—Non common dispersing agents polymeric dispersing agent
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/0802—Preparation methods
- G03G9/0812—Pretreatment of components
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- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
- B29B7/482—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws provided with screw parts in addition to other mixing parts, e.g. paddles, gears, discs
- B29B7/483—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws provided with screw parts in addition to other mixing parts, e.g. paddles, gears, discs the other mixing parts being discs perpendicular to the screw axis
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Abstract
【解決手段】制御された速度で、スクリュー押出機35の供給区画に顔料15、および、界面活性剤16を連続的に供給するとともに、供給区画5Aの下流で5B水を連続的に供給し、顔料および界面活性剤を乳化させ、顔料中に水が含まれる分散物を作成し、すでに供給した水よりも下流5Cでさらなる水を連続的に供給し、顔料中に水が含まれる分散物を転相させ、水中に顔料が含まれる分散物を作成し、スクリュー押出機内で、水中に顔料が含まれる分散物を連続的に均質化し、均質な水系顔料分散物を得る。
【選択図】図1
Description
Claims (10)
- 顔料分散物を製造するための連続プロセスであって、この連続プロセスが、
制御された速度で、スクリュー押出機の供給区画に顔料を連続的に供給することと;
制御された速度で、スクリュー押出機の前記供給区画に界面活性剤を連続的に供給することと;
前記供給区画の下流で水を連続的に供給し、顔料および界面活性剤を乳化させ、顔料中に水が含まれる分散物を作成することと;
すでに供給した水よりも下流でさらなる水を連続的に供給し、顔料中に水が含まれる分散物を転相させ、水中に顔料が含まれる分散物を作成することと;
スクリュー押出機内で、水中に顔料が含まれる分散物を連続的に均質化し、均質な水系顔料分散物を作ることと;
スクリュー押出機の出口区画から、前記均質な水系顔料分散物を集めることとを含む、連続プロセス。 - 前記スクリュー押出機が、ふるいと、自動ふるい変更器とを備え、前記均質な水系顔料分散物がスクリュー押出機を出るときに前記ふるいを通過する、請求項1に記載のプロセス。
- 前記顔料と前記界面活性剤は、前記供給区画に供給されるとき、それぞれ固体形態である、請求項1に記載のプロセス。
- 前記界面活性剤が粉末形態である、請求項3に記載のプロセス。
- 前記スクリュー押出機が区画に分けられている、請求項1に記載のプロセス。
- それぞれの区画が、独立して、約25℃〜約110℃の温度に加熱される、請求項5に記載のプロセス。
- さらなる水を供給することが、2回の別個の供給に分けられており、ある供給は、他の供給より下流であり、下流の方の第2の水の供給によって、水中に顔料が含まれる分散物が生成する、請求項1に記載のプロセス。
- 制御された速度で、スクリュー押出機の供給区画に着色剤を連続的に供給することと;
制御された速度で、スクリュー押出機の前記供給区画に界面活性剤を連続的に供給し、プレ分散物を作成することと;
スクリュー押出機内で、プレ分散物に水溶液を乳化させ、着色剤中に水が含まれる分散物を作成することと;
着色剤中に水が含まれる分散物を転相させ、スクリュー押出機内で、水中に着色剤が含まれる分散物を作成することと;
スクリュー押出機内で、水中に着色剤が含まれる分散物を均質化し、均質な着色剤分散物を作ることと;
スクリュー押出機の出口区画から、前記均質な着色剤分散物を集めることとを含む、方法。 - 前記スクリュー押出機が、マルチスクリュー押出機である、請求項8に記載の方法。
- 水系顔料分散物であって、請求項1に記載の連続プロセスによって作られ、水系顔料分散物中の顔料の平均粒径が約138nmである、水系顔料分散物。
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US13/840,499 | 2013-03-15 | ||
US13/840,499 US9052625B2 (en) | 2013-03-15 | 2013-03-15 | Method of continuously forming an aqueous colorant dispersion using a screw extruder |
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US10989472B2 (en) | 2017-04-27 | 2021-04-27 | Xerox Corporation | Method, apparatus and system for fluid cooling of toner dryer |
EP4005660A1 (de) * | 2020-11-25 | 2022-06-01 | Daw Se | Vorrichtung und verfahren zur herstellung einer pigment- und/oder füllstoffdispersion |
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