Kayan kayan filastik da allurar rigakafi sune tushen ruwan tabarau. Tsarin ruwan tabarau na filastik ya hada da kayan ruwan tabarau, lens Dutsen, Spersh, Sheet, Sheet, kayan shading, da sauransu.

Akwai nau'ikan kayan lens da yawa don ruwan tabarau na filastik, duk waɗanda suke ainihin filayen filastik (polymer mai yawa). Su ne thermoplastics, robobi wanda ya dace kuma su zama filastik lokacin da mai zafi, harden lokacin sanyaya, da laushi lokacin da ya sake tsawa. Canji na jiki wanda ke samar da canji tsakanin ruwa da manyan jihohi masu kyau ta amfani da dumama da sanyaya. An ƙirƙira wasu kayan da aka ƙirƙira a baya kuma wasu suna da sabuwa. Wasu sune manyan abubuwan shakatawa na aikace-aikacen, kuma wasu kayan da aka samar da kayan filastik musamman, waɗanda aka yi amfani da su musamman a wasu filayen ganima.

A cikin tsarin pictical, na iya ganin kayan kamfanoni na kamfanoni daban-daban, kamar Ep8000, K26r, APL5015, Okp-1 da sauransu. Duk nau'ikan kayan filastik ne, kuma waɗannan nau'ikan masu zuwa sun kasance iri-iri, kuma za mu ware su gwargwadon lokacin bayyanarsu:

Ruwan tabarau na filastik

• l pmma / acrylic:Poly (methyl methrylate), polymethyl metharryate (Polymetl, acrylic). Saboda farashinsa mai arha, babban transmitance, da babban ƙarfin injiniya, PMMA shine mafi maye gurbin gilashin gilashi a rayuwa. Mafi yawan farfado na Maɗaukaki an yi su ne da PMMA, irin su faranti, abin marmari mai zurfi, da ƙananan lEds. Lens Etc. Pmma an samar da taro tun daga 1930s.
• PS:Polystyrene, polystyrene, polystyrene mai launi ne da kuma m thermoplastic, da kuma filastik filastik, wanda ya fara samar da taro a cikin 1930. Yawancin farin kumfa kwalaye da akwatunan abincin rana waɗanda suka zama ruwan dare gama rayuwarmu an yi su ne da kayan ƙone PS.
• PC:Polycarbonate, polycarbonate, shima mai saurin motsa jiki mara launi ne mai haske, kuma shi ne kuma filastik gaba ne kawai. Masana'antu ne kawai a shekarun 1960. Tsarin juriya na PC yana da kyau, aikace-aikace na gama gari sun haɗa da buhun kayan maye, Gaggles, da dai sauransu.
• L COC & CoC:Cyclin Olefin polymer (COP), Cyclin Polymer; Cyclic Olefin COTCOLDER (COC) Cyclic Olefin COCOLLYMERER, shine kayan kwalliyar kwalliya mai ban sha'awa tare da kayan monbor na cycon ta hanyar polufen na kai (COC) ko copan sanda ) tare da wasu kwayoyin (kamar ethylene). Halayen Cop da COC kusan iri ɗaya ne. Wannan abun yana da sabo. Lokacin da aka fara ƙirƙira shi, ana la'akari da shi don wasu aikace-aikacen da suka shafi dacewa. Yanzu ana amfani dashi sosai a fim, ruwan tabarau na gani, nunawa, kwalban rufi) masana'antu. Cop ya kammala samar da masana'antu a kusan 1990, kuma COC ya kammala samar da masana'antu kafin 2000.
• l o-pet:Fiber prounder na polyester polyester, O-Pet ana tallata shi a Osaka a cikin 2010s.

Lokacin da nazarin abu na gani, mun fi damuwa da kayan ganima da na injiniya.

Entical pigiya

• Inshorar da aka girka & watsawa

M index da watsawa

Ana iya gani daga wannan taƙaitaccen zane mai zane waɗanda kayan filastik na yau da kullun suna fada cikin tsaka-tsaki biyu: rukuni ɗaya yana da babban abin maye da babban watsawa; Sauran rukunin sun kasance m rubutu da kuma ƙarancin watsawa. Kwatanta kewayon zabin ƙadar da kayan maye da watsawa na kayan gilashi, za mu ga cewa zaɓi na zaɓi na kayan gini yana da kunkuntar kayan filastik yana da kunkuntar kayan aiki na gani wanda ya zama mai ƙarancin kayan kwalliya. Gabaɗaya magana, kewayon zaɓuɓɓuka don kayan filastik yana da kunkuru, kuma akwai kusan 'yancin kasuwanci na pictical cikin sharuddan kayan.

Indextive Index ya bambanta da raƙuman ciki: Inshorarfin kayan kwalliya na kayan kwalliyar filastik na picticals yana ƙaruwa tare da raƙuman ruwa, m Indx yana raguwa kaɗan, kuma gaba ɗaya yana da kwanciyar hankali.

Indevex ya canza tare da zazzabi DN / DT: yawan zafin jiki mai dacewa da farjinta na gani, wanda ke nufin cewa kamar yadda zafin jiki ya ragu. Misali, don girgiza na 546nm, -20 ° C to 40 ° C, darajar kayan filastik IS -5 / ° C, yayin da ya bambanta, darajar kayan gilashi NBK7 shine 3x10 ^ -6 / ° C.

• Transtritance

Da watsawa

Magana game da wannan hoton, yawancin makomar gani suna da juyawa sama da 90% a cikin taurarunnan haske; Suna kuma da kyakkyawar hanya don banbancin band na 850nm da 940nm, waɗanda suka zama ruwan dare gama gari. Isarwar kayan filastik shima zai rage zuwa wani lokaci. Babban dalilin shi ne cewa filastik ya kwashe rayuwar ultraviolet a rana, da kuma hanyar kwayoyin halitta ta lalace da kuma hanyar haɗin kai, sakamakon canje-canje a cikin kamfanonin jiki da sunadarai. Babban bayyanar Macroscopic mafi bayyananne shine yellowing na kayan filastik.

• Danniya Birfritence

Jikin Lens

Danniya Birfritence (Birefriten) dukiya ce ta kayan. Manyan abubuwan da aka gyara na kayan suna da alaƙa da jihar polarization da kuma yaduwar fadada haske. Kayan aiki suna nuna abubuwan banbanci na jihohi daban-daban. Don wasu tsare-tsare, wannan ƙawancen ƙuruciya yana karkacewa sosai kuma ba shi da babban tasiri ga tsarin, amma ga wasu tsarin abubuwan gani na musamman, wannan karkacewa ta musamman don haifar da lalata tsarin aikin.

Kayan kayan filastik da kansu ba su da halaye na asali, amma allurar rigakafi na farawar makamancinsu zasu gabatar da matsanancin bambance bambance. Babban dalilin shine damuwa yayin yin allurar da kuma tsarin filastik macromeleces bayan sanyaya. Damuwar an mai da hankali kusa da tashar allura, kamar yadda aka nuna a cikin adadi a ƙasa.

Jagoran ƙira da kuma ƙa'idar samarwa ita ce mafi rage waƙar Birfringence a cikin saman jirgin sama mai tasiri, wanda ke buƙatar ƙirar m tsarin, allurar gyara da kayan aiki. Daga cikin kayan aiki da yawa, kayan pc sun fi ƙarfin damuwa Birfringen (kimanin sau 10 ya fi girma fiye da kayan PMMA (kimanin sau 10 girma), kuma COC, coc, da kayan PMMA suna da ƙananan damuwa na Birfringence.