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Igama Lomkhiqizo:I-POLY METHYL METHACRYLATE
Ifomethi ye-Molecular:I-C33H54O6
Inombolo ye-CAS:3319-31-1
Isakhiwo samangqamuzana omkhiqizo:
I-PMMA iyindlela yokonga ye-polycarbonate (i-PC) lapho amandla aqinile, amandla okuguquguquka, ukukhanya, ukupholisha, nokubekezelelana kwe-UV kubaluleke kakhulu kunamandla okuthinta, ukumelana namakhemikhali, nokumelana nokushisa.[6] Ukwengeza, i-PMMA ayinawo amayunithi angaba yingozi e-bisphenol-A atholakala ku-polycarbonate futhi iyinketho engcono kakhulu yokusika i-laser. Ivame ukuthandwa ngenxa yezindawo zayo ezilinganiselwe, ukuphatha kalula nokucubungula, kanye nezindleko eziphansi. I-PMMA engaguquki iziphatha ngendlela eshwabene uma ingaphansi komthwalo, ikakhulukazi ngaphansi kwamandla omthelela, futhi ijwayele ukuklwebheka kunengilazi evamile ye-inorganic, kodwa i-PMMA eguquliwe ngezinye izikhathi iyakwazi ukuzuza ukuklwejwa okuphezulu kanye nokumelana nomthelela.
Ukwakhiwa kwe-Acrylic prosthetic Amazinyo okwenziwa Ngobuciko nobuhle kusebenzisa i-PMMA, ngendlela yokuhweba i-Technovit 7200 isetshenziswa kakhulu emkhakheni wezokwelapha. Isetshenziselwa i-plastic histology, i-electron microscopy, kanye nokusetshenziswa okuningi okwengeziwe. I-PMMA isetshenziselwe ukwakha ulwelwesi olukhanyayo olumhlophe kakhulu oluguquguqukayo futhi lushintshe ukubukeka lube sobala uma lumanzi.[50] I-Acrylic isetshenziswa emibhedeni yokushuka njengendawo esobala ehlukanisa umuntu ohleziyo nezibani zokushuka ngenkathi eshukwa. Uhlobo lwe-acrylic olusetshenziswa emibhedeni yokushuka ngokuvamile luvela ohlotsheni olukhethekile lwe-polymethyl methacrylate, inhlanganisela evumela ukudlula kwemisebe ye-ultraviolet. Amashidi e-PMMA avame ukusetshenziswa embonini yezimpawu ukwenza izinhlamvu eziyisicaba eziyisicaba ngogqinsi oluvame ukuhluka ukusuka kumamilimitha angu-3 ukuya kwangu-25 (0.1 ukuya ku-1.0 in). Lezi zinhlamvu zingasetshenziswa zodwa ukuze zimelele igama lenkampani kanye/noma ilogo, noma zingase zibe ingxenye yezinhlamvu zeziteshi ezikhanyisiwe. I-Acrylic iphinde isetshenziswe kakhulu kuyo yonke imboni yezimpawu njengengxenye yezimpawu zodonga lapho kungase kube i-backplate, ependwe ngaphezulu noma ngemuva, i-faceplate enombhalo owengeziwe ophakanyisiwe noma izithombe zezithombe eziphrintwe kuyo ngqo, noma i-spacer ukuze ihlukaniswe. sayina izingxenye. I-PMMA yasetshenziswa ku-Laserdisc optical media.[51] (Ama-CD nama-DVD asebenzisa kokubili i-acrylic ne-polycarbonate ukumelana nomthelela). Isetshenziswa njengomhlahlandlela wokukhanya wamalambu angemuva ku-TFT-LCDs.[catation needed] I-Plastic optical fiber esetshenziselwa ukuxhumana nebanga elifushane yenziwe isuka ku-PMMA, kanye ne-Perfluorinated PMMA, egqoke nge-Fluorinated PMMA, ezimeni lapho ukuguquguquka kwayo kanye nokufakwa kwayo okushibhile. izindleko zidlula ukubekezelela ukushisa okungekuhle kanye nokuncishana okuphezulu kunomucu wengilazi. I-PMMA, ngendlela ehlanjululwe, isetshenziswa njenge-matrix kumidiya ye-laser dye-doped organic solid-state gain media for tunable state solid state dyes.[52] Ocwaningweni lwe-semiconductor nasembonini, izinsiza ze-PMMA zisiza njengokumelana nenqubo ye-electron beam lithography. Isixazululo esihlanganisa i-polymer ku-solvent sisetshenziselwa ukuphotha i-sil yejazi
I-Chemwin ingahlinzeka ngenqwaba yama-hydrocarbon amaningi nezincibilikisi zamakhemikhali kumakhasimende ezimboni.Ngaphambi kwalokho, sicela ufunde ulwazi olulandelayo oluyisisekelo mayelana nokwenza ibhizinisi nathi:
1. Ezokuphepha
Ukuphepha kuyinto ehamba phambili yethu. Ngaphezu kokunikeza amakhasimende ulwazi mayelana nokusetshenziswa okuphephile nokunobungani kwemvelo kwemikhiqizo yethu, siphinde sizibophezele ekuqinisekiseni ukuthi ubungozi bokuphepha kwabasebenzi nosonkontileka buncishiswa bube buncane obunengqondo nobunokwenzeka. Ngakho-ke, sidinga ikhasimende ukuthi liqinisekise ukuthi izindinganiso ezifanele zokuphepha zokuthulula nokugcinwa kwempahla ziyahlangatshezwa ngaphambi kokulethwa kwethu (sicela ubhekisele kusithasiselo se-HSSE emigomeni nemibandela evamile yokuthengisa ngezansi). Ochwepheshe bethu be-HSSE banganikeza isiqondiso kulawa mazinga.
2. Indlela yokulethwa
Amakhasimende anga-oda futhi alethe imikhiqizo evela ku-chemwin, noma angathola imikhiqizo evela embonini yethu yokukhiqiza. Izindlela zokuthutha ezitholakalayo zifaka phakathi iloli, ujantshi noma ezokuthutha ezinezinhlobo eziningi (kuyasebenza izimo ezihlukene).
Endabeni yezidingo zekhasimende, singacacisa izidingo zezikebhe noma amathangi futhi sisebenzise amazinga akhethekile okuphepha/wokubuyekeza kanye nezimfuneko.
3. Inani elincane le-oda
Uma uthenga imikhiqizo kuwebhusayithi yethu, inani elincane le-oda amathani angama-30.
4.Inkokhelo
Indlela yokukhokha ejwayelekile idonswa ngokuqondile zingakapheli izinsuku ezingu-30 ukusuka ku-invoyisi.
5. Amadokhumenti okulethwa
Amadokhumenti alandelayo anikezwa ngokudiliva ngakunye:
· I-Bill of Lading, i-CMR Waybill noma enye incwadi yezokuthutha efanele
· Isitifiketi Sokuhlaziya noma Ukuvumelana (uma sidingeka)
· Imibhalo ehlobene ne-HSSE ngokuhambisana nemithethonqubo
· Imibhalo yeCustoms ngokuhambisana nemithethonqubo (uma kudingeka)