3D Printing Amorphous Polysiloxane Terpolymers via Vat Photopolymerization

Justin M. Sirrine; Alisa Zlatanic; Viswanath Meenakshisundaram; Jamie M. Messman; Christopher B. Williams; Petar R. Dvornic; Timothy Edward Long

doi:10.1002/macp.201800425

3D Printing Amorphous Polysiloxane Terpolymers via Vat Photopolymerization

Justin M. Sirrine, Alisa Zlatanic, Viswanath Meenakshisundaram, Jamie M. Messman, Christopher B. Williams, Petar R. Dvornic, Timothy Edward Long

研究成果: Article

13 被引用数 (Scopus)

抄録

Photocuring and vat photopolymerization (VP) additive manufacturing (AM) is reported for two families of fully amorphous poly(dimethyl siloxane) (PDMS) terpolymers containing either diphenylsiloxy (DiPhS) or diethylsiloxy (DiEtS) repeating units. A thiol-functionalized PDMS crosslinker enables rapid crosslinking in air using efficient thiol–ene addition. Differential scanning calorimetry and dynamic mechanical analysis (DMA) confirm the absence of crystallinity for the DiPhS-containing systems, while DMA shows a rubbery plateau extending to greater than 200 °C for the DiEtS-containing system. VP-AM of both photopolymer systems afford well-defined 3D geometries, including high aspect ratio structures, which demonstrate feasibility of these photopolymers for the 3D printing of unique geometric objects that require elastomeric performance to temperatures as low as −120 °C.

本文言語	English
論文番号	1800425
ジャーナル	Macromolecular Chemistry and Physics
DOI	https://doi.org/10.1002/macp.201800425
出版ステータス	Accepted/In press - 2019 1 1
外部発表	はい

ASJC Scopus subject areas

Condensed Matter Physics
Physical and Theoretical Chemistry
Polymers and Plastics
Organic Chemistry
Materials Chemistry

文献へのアクセス

10.1002/macp.201800425

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引用スタイル

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title = "3D Printing Amorphous Polysiloxane Terpolymers via Vat Photopolymerization",

abstract = "Photocuring and vat photopolymerization (VP) additive manufacturing (AM) is reported for two families of fully amorphous poly(dimethyl siloxane) (PDMS) terpolymers containing either diphenylsiloxy (DiPhS) or diethylsiloxy (DiEtS) repeating units. A thiol-functionalized PDMS crosslinker enables rapid crosslinking in air using efficient thiol–ene addition. Differential scanning calorimetry and dynamic mechanical analysis (DMA) confirm the absence of crystallinity for the DiPhS-containing systems, while DMA shows a rubbery plateau extending to greater than 200 °C for the DiEtS-containing system. VP-AM of both photopolymer systems afford well-defined 3D geometries, including high aspect ratio structures, which demonstrate feasibility of these photopolymers for the 3D printing of unique geometric objects that require elastomeric performance to temperatures as low as −120 °C.",

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author = "Sirrine, {Justin M.} and Alisa Zlatanic and Viswanath Meenakshisundaram and Messman, {Jamie M.} and Williams, {Christopher B.} and Dvornic, {Petar R.} and Long, {Timothy Edward}",

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AU - Zlatanic, Alisa

AU - Meenakshisundaram, Viswanath

AU - Messman, Jamie M.

AU - Williams, Christopher B.

AU - Dvornic, Petar R.

AU - Long, Timothy Edward

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N2 - Photocuring and vat photopolymerization (VP) additive manufacturing (AM) is reported for two families of fully amorphous poly(dimethyl siloxane) (PDMS) terpolymers containing either diphenylsiloxy (DiPhS) or diethylsiloxy (DiEtS) repeating units. A thiol-functionalized PDMS crosslinker enables rapid crosslinking in air using efficient thiol–ene addition. Differential scanning calorimetry and dynamic mechanical analysis (DMA) confirm the absence of crystallinity for the DiPhS-containing systems, while DMA shows a rubbery plateau extending to greater than 200 °C for the DiEtS-containing system. VP-AM of both photopolymer systems afford well-defined 3D geometries, including high aspect ratio structures, which demonstrate feasibility of these photopolymers for the 3D printing of unique geometric objects that require elastomeric performance to temperatures as low as −120 °C.

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KW - elastomers

KW - poly(dimethyl siloxane)

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