Silver polyester-sulfonated nanoparticle composite filaments and methods of making the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A01N-055/02
C08K-003/08
A01N-059/16
C09D-005/14
C09D-007/12
C09D-167/00
출원번호
US-0098255
(2016-04-13)
등록번호
US-9877485
(2018-01-30)
발명자
/ 주소
Farrugia, Valerie M.
Keoshkerian, Barkev
Chrétien, Michelle N.
출원인 / 주소
XEROX CORPORATION
대리인 / 주소
Pillsbury Winthrop Shaw Pittman LLP
인용정보
피인용 횟수 :
0인용 특허 :
33
초록
A composite filament includes a sulfonated polyester matrix and a plurality of silver nanoparticles dispersed within the matrix and methods of making thereof. Various articles can be manufactured from such composite filaments.
대표청구항▼
1. A composite filament for use in fused deposition modelling, comprising: a sulfonated polyester matrix; anda plurality of silver nanoparticles dispersed within the matrix,wherein the silver nanoparticle is present in the composite filament in a range from about 0.5 ppm to about 50,000 ppm;and furt
1. A composite filament for use in fused deposition modelling, comprising: a sulfonated polyester matrix; anda plurality of silver nanoparticles dispersed within the matrix,wherein the silver nanoparticle is present in the composite filament in a range from about 0.5 ppm to about 50,000 ppm;and further wherein the composite filament has a diameter of from about 0.5 mm to about 5 mm. 2. The composite filament of claim 1, wherein the sulfonated polyester has a glass transition (Tg) temperature of from about 45° C. to about 95° C. 3. The composite filament of claim 1, wherein the sulfonated polyester matrix comprises a branched polymer. 4. The composite filament of claim 1, wherein the sulfonated polyester matrix comprises a linear polymer. 5. The composite filament of claim 1, wherein the composite filament is in the form of a cylinder having a diameter of about 0.5 mm to about 5.0 mm. 6. The composite filament of claim 1, wherein the sulfonated polyester matrix comprises hydrogen or a salt of a random sulfonated polyester, wherein the sulfonated polyester is selected from poly(1,2-propylene-5-sulfoisophthalate), poly(neopentylene-5-sulfoisophthalate), poly(diethylene-5-sulfoisophthalate), copoly(1,2-propylene-5-sulfoisophthalate)-copoly-(1,2-propylene-terephthalate phthalate), copoly(1,2-propylene-diethylene-5-sulfoisophthalate)-copoly-(1,2-propylene-diethylene-terephthalate phthalate), copoly(ethylene-neopentylene-5-sulfoisophthalate)-copoly-(ethylene-neopentylene-terephthalate-phthalate), copoly(propoxylated bisphenol A)-copoly-(propoxylated bisphenol A-5-sulfoisophthalate), copoly(ethylene-terephthalate)-copoly-(ethylene-5-sulfo-isophthalate), copoly(propylene-terephthalate)-copoly-(propylene-5-sulfo-isophthalate), copoly(diethylene-terephthalate)-copoly-(diethylene-5-sulfo-isophthalate), copoly(propylene-diethylene-terephthalate)-copoly-(propylene-diethylene-5-sulfoisophthalate), copoly(propylene-butylene-terephthalate)-copoly(propylene-butylene-5-sulfo-isophthalate), copoly(propoxylated bisphenol-A-fumarate)-copoly(propoxylated bisphenol A-5-sulfo-isophthalate), copoly(ethoxylated bisphenol-A-fumarate)-copoly(ethoxylated bisphenol-A-5-sulfo-isophthalate), copoly(ethoxylated bisphenol-A-maleate)-copoly(ethoxylated bisphenol-A-5-sulfo-isophthalate), copoly(propylene-diethylene terephthalate)-copoly(propylene-5-sulfoisophthalate), copoly(neopentyl-terephthalate)-copoly-(neopentyl-5-sulfoisophthalate), and mixtures thereof. 7. The composite filament of claim 6, wherein the salt is selected from the group consisting of sodium, lithium and potassium. 8. The composite of claim 1, wherein the sulfonated polyester matrix comprises a polyol monomer unit selected from the group consisting of trimethylolpropane, 1,2-propanediol, diethylene glycol, and combinations thereof. 9. The composite of claim 1, wherein the sulfonated polyester matrix comprises a diacid monomer unit selected from the group consisting of terephthalic acid, sulfonated isophthalic acid, and combinations thereof. 10. A method of producing a composite filament, comprising: heating a sulfonated polyester resin in an organic-free solvent;adding a solution of silver (I) ion to the heated resin in the organic-free solvent to form a mixture;adding a solution of a reducing agent to the mixture, thereby forming an emulsion of particles comprising a sulfonated polyester matrix and a plurality of silver nanoparticles disposed within the sulfonated polyester matrix;aggregating the emulsion of particles to form aggregated particles;coalescing the aggregated particles to form coalesced particles;washing the coalesced particles, thereby forming a composite powder; andextruding the composite powder to produce the composite filament. 11. The method of claim 10, wherein the heating of the sulfonated polyester resin is conducted at a temperature from about 65° C. to about 90° C. 12. The method of claim 10, wherein the aggregating is conducted at a temperature of from about 30° C. to about 80° C. 13. The method of claim 10, wherein the coalescing is conducted at a temperature of from about 30° C. to about 95° C. 14. The method of claim 10, wherein a source of silver (I) ion is selected from silver nitrate, silver sulfonate, silver fluoride, silver perchlorate, silver lactate, silver tetrafluoroborate, silver oxide and silver acetate. 15. The method of claim 10, wherein the reducing agent is selected from ascorbic acid, trisodium citrate. 16. The method of claim 10, wherein the sulfonated polyester resin is a branched polymer. 17. The method of claim 10, wherein the sulfonated polyester resin is a linear polymer. 18. The method of claim 10, wherein the sulfonated polyester matrix comprises hydrogen or a salt of a random sulfonated polyester, wherein the sulfonated polyester is selected from poly(1,2-propylene-5-sulfoisophthalate), poly(neopentylene-5-sulfoisophthalate), poly(diethylene-5-sulfoisophthalate), copoly(1,2-propylene-5-sulfoisophthalate)-copoly-(1,2-propylene-terephthalate phthalate), copoly(1,2-propylene-diethylene-5-sulfoisophthalate)-copoly-(1,2-propylene-diethylene-terephthalate phthalate), copoly(ethylene-neopentylene-5-sulfoisophthalate)-copoly-(ethylene-neopentylene-terephthalate-phthalate), copoly(propoxylated bisphenol A)-copoly-(propoxylated bisphenol A-5-sulfoisophthalate), copoly(ethylene-terephthalate)-copoly-(ethylene-5-sulfo-isophthalate), copoly(propylene-terephthalate)-copoly-(propylene-5-sulfo-isophthalate), copoly(diethylene-terephthalate)-copoly-(diethylene-5-sulfo-isophthalate), copoly(propylene-diethylene-terephthalate)-copoly-(propylene-diethylene-5-sulfoisophthalate), copoly(propylene-butylene-terephthalate)-copoly(propylene-butylene-5-sulfo-isophthalate), copoly(propoxylated bisphenol-A-fumarate)-copoly(propoxylated bisphenol A-5-sulfo-isophthalate), copoly(ethoxylated bisphenol-A-fumarate)-copoly(ethoxylated bisphenol-A-5-sulfo-isophthalate), copoly(ethoxylated bisphenol-A-maleate)-copoly(ethoxylated bisphenol-A-5-sulfo-isophthalate), copoly(propylene-diethylene terephthalate)-copoly(propylene-5-sulfoisophthalate), copoly(neopentyl-terephthalate)-copoly-(neopentyl-5-sulfoisophthalate), and mixtures thereof. 19. An article comprising: a composite filament comprising: a sulfonated polyester matrix; anda plurality of silver nanoparticles dispersed within the matrix;wherein the silver nanoparticle is present in the composite filament in a range from about 0.5 ppm to about 50,000 ppm;and further wherein the composite filament has a diameter of from about 0.5 mm to about 5 mm. 20. The article of claim 19, wherein the article is selected from the group consisting of a biochemical sensor, an optical detector, an antibacterial, a textile, a cosmetic, an electronic component, a fiber, and a cryogenic superconducting material.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (33)
Crump S. Scott (Minnetonka MN), Apparatus and method for creating three-dimensional objects.
Farrugia, Valerie M.; Desouza, Alana; Gardner, Sandra J., Coated silver nanoparticle composites comprising a sulfonated polyester matrix and methods of making the same.
Swanson, William J.; Popa, Minea A.; Turley, Patrick W.; Hopkins, Paul E.; Brose, Steve; Kimm, Daniel I.; Pollard, David L.; Hahn, Andrew M., Filament loading system in an extrusion apparatus.
Abrams Steven R. (New York NY) Korein James U. (Chappaqua NY) Srinivasan Vijay (Peekskill NY) Tarabanis Konstantinos (Flushing NY), Method employing sequential two-dimensional geometry for producing shells for fabrication by a rapid prototyping system.
Teoh, Swee Hin; Hutmacher, Dietmar Werner; Tan, Kim Cheng; Tam, Kock Fye; Zein, Iwan, Methods for fabricating a filament for use in tissue engineering.
Batchelder John S. (Somers NY) Curtis Huntington W. (Chelsea NY) Goodman Douglas S. (Yorktown Heights NY) Gracer Franklin (Yorktown Heights NY) Jackson Robert R. (Millbrook NY) Koppelman George M. (N, Model generation system having closed-loop extrusion nozzle positioning.
Batchelder John S. (Somers NY) Curtis Huntington W. (Chelsea NY) Goodman Douglas S. (Yorktown Heights NY) Gracer Franklin (Yorktown Heights NY) Jackson Robert R. (Millbrook NY) Koppelman George M. (N, Model generation system having closed-loop extrusion nozzle positioning.
Crump S. Scott (Wayzata MN) Comb James W. (St. Louis Park MN) Priedeman ; Jr. William R. (Wayzata MN) Zinniel Robert L. (Richfield MN), Process of support removal for fused deposition modeling.
Danforth Stephen C. ; Agarwala Mukesh ; Bandyopadghyay Amit ; Langrana Noshir ; Jamalabad Vikram R. ; Safari Ahmad ; van Weeren Remco, Solid freeform fabrication methods.
Julien Paul C. ; Blaszak Sue E. ; Dalal Edul N. ; Natale-Hoffman Kristen M. ; Koch Ronald J. ; Berkes John S. ; Kmiecik-Lawrynowicz Grazyna E., Toner compositions and processes thereof.
Patel Raj D. (Oakville CAX) Sacripante Guerino G. (Oakville CAX) Kmiecik-Lawrynowicz Grazyna E. (Burlington CAX) Hopper Michael A. (Toronto CAX) Torres Francisco E. (Mississauga CAX), Toner compositions and processes thereof.
Patel Raj D. (Oakville CAX) Kmiecik-Lawrynowicz Grazyna E. (Burlington CAX) Sacripante Guerino G. (Oakville CAX) Foucher Daniel A. (Toronto CAX), Toner processes.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.