[특허]Reflective polymeric article and manufacture

Reflective polymeric article and manufacture 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G02F-001/1335 B29C-065/00 B29C-044/34 C08J-009/00 C08J-009/10 B32B-003/26 B32B-003/00 B29C-044/02 B29D-011/00
출원번호	US-0462943 (2009-08-12)
등록번호	US-8908129 (2014-12-09)
발명자 / 주소	Sriraman, Ravi Thiagarajan, Chinniah Taraiya, Ajay
출원인 / 주소	Sabic Global Technologies B.V.
대리인 / 주소	Cantor Colburn LLP
인용정보	피인용 횟수 : 0 인용 특허 : 25

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In one embodiment, the method for making a polymer article comprises: orienting polymer chains in one direction more than any other direction to form an oriented article, contacting the oriented article with a foaming agent, and foaming the material to form the reflective polymer article comprising

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1. A method of making a reflective polymer article comprising: orienting polymer chains in one direction more than any other direction, to form an oriented article;contacting the oriented article with a foaming agent; andfoaming the material to form the reflective polymer article comprising planar cell structures having a length “l” and a thickness “t”. 2. The method of claim 1, wherein the length “l” is greater than or equal to 10 times the thickness “t”. 3. The method of claim 1, wherein the polymer chains are selected from the group consisting of polyetherimide chains, polycarbonate chains, and combinations comprising at least one of the foregoing polymer chains. 4. The method of claim 1, wherein orienting the polymer chains comprises stretching a polymer material in one direction more than the polymer material is stretched in another direction. 5. The method of claim 4, wherein the polymer material is stretched under uni-axial tension. 6. The method of claim 1, wherein the reflective polymer article is designed to reflect a particular wavelength of light, and wherein the average thickness “t” is less than or equal to the particular wavelength. 7. The method of claim 6, wherein the average thickness “t” is equivalent to 0.25 times the particular wavelength to 0.75 times the particular wavelength. 8. The method of claim 1, wherein the reflective polymer article comprises less than or equal to 10 layers of the polymer material. 9. The method of claim 1, further comprising placing the oriented article between plates and constraining the oriented article during the foaming of the material. 10. A reflective polymer article formed by the method comprising: orienting polymer chains in one direction more than any other direction to form an oriented article;contacting the oriented article with a foaming agent; andfoaming the material to form the reflective polymer article comprising planar cell structures having a length “l” and a thickness “t”. 11. The article of claim 10, wherein the reflective polymer article is designed to reflect a particular wavelength of light, and wherein the average thickness “t” is less than or equal to the particular wavelength. 12. A reflective polymer article comprising: layers of polymer material comprising polymer chains oriented one direction more than any other direction; andlayers of gas cells having a planar cell structure. 13. The article of claim 12, wherein the reflective polymer article is designed to reflect a particular wavelength of light, and wherein an average thickness “t” is less than or equal to the particular wavelength. 14. The article of claim 12, comprising a total number of layers of less than or equal to 15 including both layers of polymer material and layers of gas cells, and has a reflectivity of greater than 80% at wavelengths of 280 nm to 1,200 nm. 15. The method of claim 1, wherein orienting the polymer chains comprises stretching a polymer material at a temperature less than the glass transition temperature of the polymer material. 16. The method of claim 15, wherein stretching the polymer material occurs at a temperature 5° C. to 20° C. less than the glass transition temperature of the polymer material. 17. The method of claim 1, wherein foaming the material occurs at a temperature less than the glass transition temperature of the polymer material. 18. The method of claim 1, wherein the average thickness “t” is 100 nanometers to 2,000 nanometers. 19. The article of claim 10, wherein orienting the polymer chains comprises stretching a polymer material at a temperature less than the glass transition temperature of the polymer material and wherein foaming the material occurs at a temperature less than the glass transition temperature of the polymer material. 20. The article of claim 12, wherein foaming the material occurs at a temperature less than the glass transition temperature of the polymer material.

이 특허에 인용된 특허 (25)

Burnell Ann M. (Schenectady NY), Blowing agent concentrate and compositions and article prepared therefrom.
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Allen Richard B. (Pittsfield MA) Gibbs William E. (Chesapeake VA) Hans Lynn M. (Pittsfield MA), Expandable thermoplastic resin beads.
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Grohman Martin (Marietta OH), Foamable polyvinyl chloride composition, foamed articles made therefrom, and a process for making vinyl chloride polymer.
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Anazawa Takanori (Urawa JPX) Ono Yoshiyuki (Okegawa JPX), Heterogeneous membrane and process for production thereof.
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Pierick, David E.; Anderson, Jere R.; Cha, Sung W.; Chen, Liqin; Stevenson, James F.; Laing, Dana E., Injection molding of polymeric material.
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Wooler Alan Metcalf (Manchester EN) Allport Dennis Charlton (Manchester EN), Laminates.
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Bertolino, William; Campbell, Andrew J.; Barry Jr., Ralph; Chay, Nil; Carrion, Geraldo; Andonian, Shahen, Medical balloon.
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Kirjavainen, Kari, Method and apparatus for making plastic film, and plastic film.
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Kirjavainen, Kari, Method and apparatus for making plastic film, and plastic film.
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Burnham, Theodore A.; Cha, Sung W.; Walat, Robert H.; Kim, Roland Y.; Anderson, Jere R.; Stevenson, James F.; Suh, Nam P.; Pallaver, Matthew, Method and apparatus for microcellular polymer extrusion.
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Joseph M. DeSimone ; Saad A. Khan ; Joseph R. Royer ; Richard J. Spontak ; Teri Anne Walker, Method of making foamed materials using surfactants and carbon dioxide.
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Sugita,Mitusuro; Yonehara,Takao, Optical device and method of manufacturing the same.
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Uchiyama Akihiko,JPX ; Yatabe Toshiaki,JPX, Orientated film having pores.
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Specht Paul (Wilmette IL), Panel framing system with panel tensioning by heat shrinking.
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Bland David G. (Knoxville TN) Conte Joseph J. (Newark OH), Poly(aryl ether) foam produced with aqueous blowing agent.
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Hower R. Thomas (c/o Marion Composites ; 150 Johnston Rd. Marion VA 24354-3121) Hoang Stephen V. (c/o Marion Composites ; 150 Johnston Rd. Marion VA 24354-3121), Polyimide foam-containing radomes.
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Anderson, Jere R.; Okamoto, Kelvin T.; Blizard, Kent G., Polymer foam processing with low blowing agent levels.
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Wheatley John A. (Midland MI) Schrenk Walter J. (Midland MI), Polymeric reflective bodies with multiple layer types.
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Adedeji Adeyinka, Polyolefins as nucleating agent for foamed engineering polymers.
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Vaughn Walter L. (Lake Jackson TX) Wing Milton S. (Lake Jackson TX), Process for producing porous fibers from orientable olefin polymers having cation-containing, pendent reactive side-grou.
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Neuhaus Alfred (Leverkusen DEX) Ganster Otto (Odenthal DEX) Mengal Manfred (Odenthal DEX), Process for the production of polyurethane foam moldings.
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Horn Peter (Heidelberg DEX) Mueller Ulrich (Neustadt DEX) Hoelderich Wolfgang (Frankenthal DEX) Taddey Rudolf (Damme DEX) Tintelnot Dieter (Diepholz DEX) Schuster Ludwig (Limburgerhof DEX), Production of chlorofluorocarbon-free, urethane-containing moldings having a cellular core and a compacted peripheral zo.
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Benson ; Jr. Olester ; Weber Michael F. ; Wheatley John A.,GBX ; Ouderkirk Andrew J. ; Fellows Benjamin T. ; Garland Wilson C. ; Wong Mel Y., Retroreflective dichroic reflector.
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Tan, Seng C., Transparent supermicrocellular polymer foams and method for their manufacture.
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Tan, Seng C., Transparent supermicrocellular polymer foams from high Tg polymers and method for manufacture.
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