Three Dimensional Joining of Thermoresponsive Particle-Dispersed Gels

Kondo, Akira; Abe, Hiroya; Naito, Makio

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タイトル	Three Dimensional Joining of Thermoresponsive Particle-Dispersed Gels
著者	Kondo, Akira Kondo, Akira
	Abe, Hiroya Abe, Hiroya
	Naito, Makio Naito, Makio
キーワード等	Solid free forming
	Colloid
	Gel joining
	Alumina
	Thermoresponsive polymer
抄録	Concentrated alumina suspensions were thermally gelled at room temperature using a triblock copolymer (PEO₁₀₁-PPO₅₆-PEO₁₁₁, Pluronic F127). The copolymer species assemble into micelles at temperatures above 15°C, yielding aqueous physical gel. The concentrated alumina aqueous suspensions were first prepared using the anionic dispersant of PAA, and then the copolymers were dissolved at a cooled temperature. The resulting suspensions were thickened at 30°C from low viscous state at 10°C. In particular, they were gelled when the copolymers were added at greater than 8mass%. The gels had large shear elastic modulus, and thereby the three dimensional periodic ceramic structures were successfully fabricated via a layer-by-layer joining of filamentary-excluded gel inks from a micronozzle. The copolymer-assisted concentrated ceramic gels may be useful for solid free forming.
公開者	大阪大学接合科学研究所
公開者の別表記	Joining and Welding Research Institute, Osaka University
公開者 (ヨミ)	オオサカダイガクセツゴウカガクケンキュウジョ
掲載誌名	Transactions of JWRI
巻	40
号	2
開始ページ	41
終了ページ	44
刊行年月	2011-12
ISSN	03874508
NCID	AA00867058
URL	http://hdl.handle.net/11094/3706
言語	英語
カテゴリ	紀要論文 Departmental Bulletin Paper
カテゴリ	Transactions of JWRI / Vol.40 No.2 (2011-12)

著者版フラグ	publisher
NII資源タイプ	紀要論文
ローカル資源タイプ	紀要論文
dcmi資源タイプ	text
DCTERMS.bibliographicCitation	Transactions of JWRI.40(2) P.41-P.44
DC.title	Three Dimensional Joining of Thermoresponsive Particle-Dispersed Gels
DC.creator	Kondo, Akira
	Abe, Hiroya
	Naito, Makio
DC.publisher	大阪大学接合科学研究所
DC.language" scheme="DCTERMS.RFC1766	英語
DCTERMS.issued" scheme="DCTERMS.W3CDTF	2011-12
DC.identifier" scheme="DCTERMS.URI	http://hdl.handle.net/11094/3706
DC.subject	Solid free forming
	Colloid
	Gel joining
	Alumina
	Thermoresponsive polymer
DCTERMS.abstract	Concentrated alumina suspensions were thermally gelled at room temperature using a triblock copolymer (PEO₁₀₁-PPO₅₆-PEO₁₁₁, Pluronic F127). The copolymer species assemble into micelles at temperatures above 15°C, yielding aqueous physical gel. The concentrated alumina aqueous suspensions were first prepared using the anionic dispersant of PAA, and then the copolymers were dissolved at a cooled temperature. The resulting suspensions were thickened at 30°C from low viscous state at 10°C. In particular, they were gelled when the copolymers were added at greater than 8mass%. The gels had large shear elastic modulus, and thereby the three dimensional periodic ceramic structures were successfully fabricated via a layer-by-layer joining of filamentary-excluded gel inks from a micronozzle. The copolymer-assisted concentrated ceramic gels may be useful for solid free forming.
citation_title	Three Dimensional Joining of Thermoresponsive Particle-Dispersed Gels
citation_author	Kondo, Akira
	Abe, Hiroya
	Naito, Makio
citation_publisher	大阪大学接合科学研究所
citation_language	英語
citation_date	2011-12
citation_journal_title	Transactions of JWRI
citation_volume	40
citation_issue	2
citation_firstpage	41
citation_lastpage	44
citation_issn	03874508
citation_public_url	http://hdl.handle.net/11094/3706
citation_keywords	Solid free forming
	Colloid
	Gel joining
	Alumina
	Thermoresponsive polymer

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