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木虫之王 (文学泰斗)

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[交流] 光學級聚乙烯醇膜材料技術發展趨勢 已有2人参与

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????(Polarizer)????N????S????????^???W??????????????????????????壬??90?? ?????e?????????????o???r???????a??λ??????F???B??B?????????@??D?????????????????f??????@???????????????????????Y?????????o???????????????????w?S??(Triacetyl Cellulose; TAC)???????????????|(Dichroic Materials)?K??????????????(Poly(Vinyl Alcohol); PVA)??????V????a????(Wide Viewing Compensation Layer)?????????w?S?????????z?c?x???????D??????


?D??????????????W?Y??

????????????u??????????????????????W???D????????????????????(Poly(Vinyl Acetate))??????????u?????????????????(m>>n)???????о?????????????????????????T???????u????????????????????????????u??????????е????????????????????S???????L??????????^???У?????????|?S????????????????????????????????????? ???D??????????????????(Dichroic Absorption)???????????O?????????D?????O??(Polarized Light)?????????????^??????????????N?????????w?S?????????o????r?????s???????T?????z???N????o??c?x???????????г??????С???z???????a???

????Y??
?????????????????????????m??????á?MarketsandMarkets????????{???棨2012 ??3 ????棩???2011 ????????????????????_22,500?fm2 ?????????@??????????????????Kuraray ?c????????W???a??????Kuraray ??????_71% ??????MonoSol ???a??????????t????u????W?R????????R????????MarketsandMarkets ??A?y2016 ????????????????????呪????_63 ?|????????????b????üs2.59 ?|?????

??????????????c???w???е???
???????????OH ?????????????朶??????w??????t???????????Syndiotacticity?????Isotacticity ?c?y??Atacticity?????N??B????D??????????????????????????????|?к?????????????????????????????????????????????????????????????M(Syndiotacticity Diad)????????????????????????Y????????????|???@???????????????????????????M????????????I?????????????????????????= 4000??????????99.9% ??????????????N????????????????M????58% (s-PVA)?c53.3%(a-PVA)????s-PVA/a-PVA/ ???}????????????s-PVA/a-PVA>1/1 ??????70??C ???????H?s10~20% ?? s-PVA/a-PVA = 1/9 ??????85% ???????}??????s-PVA ?????????????????????????????n?????30~70??C ??s-PVA/a-PVA = 9/1 ???????}???????????????С?7% ?????????е?????????????????????

?????u???о?
?????????????n??KI/I2 ??????????????????S????????????????朆??????У??γ???????/ ???}???????F?O??????????????С??X ???@??(Small-angle X-ray Scattering; SAXS)???V??X ???@??(Wide-angle X-ray Scattering; WAXS)?о?????????????Y?????????????л?KI/I2 ????????S?????333 K ???1 hr ??????M??SAXS??WAXS ?y??????SAXS ?????l?F???c??????^????w?S(Microfibrillar)?Y???е??????????????KI/I2 ?????и?????????????γ???????/ ???}??????????????????w?S?g??????????c(Junction Point)?????????????????????????????(Strain)?????(Stress)??????M????????- ??????V??X ???@??y??????????????σ???????c????????????????


?D????????????????????????Y?????

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????????????I?????s?I306??????????Y??????http://www.materialsnet.com.tw/DocView.aspx?id=10379
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