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Yuav Ua Li Cas Thiaj Ua Tau Yas Uas Muaj Peev Xwm Yaj Tau Los Ntawm Cov Khoom Siv Ntuj Tsim Cov yas ib txwm muaj ib feem ntawm lub neej txhua hnub: ntim khoom noj, hnab yuav khoom, lub raj mis, thiab txawm tias cov khoom siv hauv tsev. Txawm li cas los xij, txawm hais tias nws siv tau yooj yim, cov yas uas muaj roj av ua rau muaj teeb meem loj - nws nyuaj rau lwj, sib sau ua ke hauv cov chaw pov tseg thiab dej hiav txwv, thiab tsim cov yas me me uas ua rau muaj kev pheej hmoo rau lub ecosystem. Yog li ntawd, cov yas uas muaj peev xwm yaj tau... Nyeem ntxiv

Cov Txheej Txheem Tsim Khoom Siv Yas Silicone thiab Nws Siv Hauv Kev Siv Tshuab Silicone—qhov tseeb dua, silicone elastomer lossis silicone roj hmab—feem ntau hu ua "silicone yas" hauv kev siv txhua hnub. Cov khoom siv no txawv ntawm cov yas roj av ib txwm muaj xws li PE, PP, lossis PVC vim nws cov polymer backbone yog tsim los ntawm siloxane (Si-O-Si) bonds, es tsis yog carbon (C-C). Cov qauv tshwj xeeb no ua rau… Nyeem ntxiv

Cov Hom Yas Uas Siv Hauv Kev Lag Luam Kho Mob Thiab Lawv Ua Li Cas Yas ua lub luag haujlwm tseem ceeb hauv kev lag luam kho mob vim nws lub teeb yuag, yooj yim hloov pauv, pheej yig, thiab tsis muaj kab mob. Txij li cov raj IV thiab cov koob txhaj tshuaj mus rau cov hnab ntshav thiab cov thawv kuaj - ntau yam khoom siv kho mob niaj hnub no vam khom cov ntaub ntawv polymer. Txawm li cas los xij, tsis yog txhua yam yas haum rau cov kev xav tau tshwj xeeb ... Nyeem ntxiv

Yuav Ua Li Cas Thiaj Ua Tau Cov Yas Sib Xyaws Thiab Lawv Cov Ntawv Siv Hauv Kev Lag Luam Tsheb Cov yas sib xyaws yog cov khoom sib xyaws uas tsim los ua kom tau cov khoom zoo dua piv rau cov yas ib txwm muaj. Feem ntau, cov yas sib xyaws yog ua los ntawm kev sib xyaws cov polymer matrix (yas ua cov khoom tseem ceeb) nrog cov khoom siv xws li iav fiber, carbon fiber, cov fiber ntuj, lossis cov khoom me me. Qhov tshwm sim yog cov khoom siv uas muaj ntau dua... Nyeem ntxiv

Cov Txheej Txheem Tshuab Pwm Rau Kev Tsim Yas thiab Cov Hom Yas Siv Tshuab pwm yog ib qho ntawm cov txheej txheem tsim yas siv dav tshaj plaws rau kev tsim cov khoom khoob xws li lub raj mis dej haus, cov kaus poom jerry, cov thoob dej me me, cov thoob dej me me, cov khoom ua si, thiab txawm tias qee yam khoom siv hauv tsheb. Cov txheej txheem no siv cua siab los "tshuab" cov yas kub, pliable tawm tsam phab ntsa ntawm pwm. … Nyeem ntxiv

Kev Sib Piv ntawm Polyethylene thiab Polypropylene Plastics Yas tau dhau los ua ib feem tseem ceeb ntawm lub neej niaj hnub no vim nws lub teeb yuag, ruaj khov, thiab cov khoom siv tau yooj yim. Ntawm ntau hom yas muaj nyob rau hauv kev ua lag luam, polyethylene (PE) thiab polypropylene (PP) yog ob qho ntawm feem ntau siv. Ob leeg koom nrog tsev neeg polyolefin, uas yog cov yas tsim los ntawm… Nyeem ntxiv

Yuav Ua Li Cas Thiaj Ua Tau Yas Resin Thiab Nws Cov Ntawv Siv Hauv Kev Lag Luam Kev Lag Luam Yas tau loj hlob sai txij li thaum nws tau qhia thaum ntxov xyoo pua 20th. Ib hom yas nrov nrog ntau daim ntawv thov, tshwj xeeb tshaj yog hauv kev lag luam kev tsim kho, yog yas resin. Tsab xov xwm no yuav tham txog yuav ua li cas thiaj ua tau yas resin thiab cov khoom siv no siv li cas hauv ntau yam… Nyeem ntxiv

Cov Hom Yas Siv Hauv Kev Ua Khoom Ua Si Thiab Lawv Tsim Li Cas Cov khoom ua si tau yog ib feem tseem ceeb ntawm kev loj hlob ntawm cov menyuam txij li thaum ub los. Nrog kev nce qib hauv thev naus laus zis thiab kev tshawb fawb txog cov ntaub ntawv, yas tam sim no tau dhau los ua cov khoom siv tseem ceeb hauv kev tsim khoom ua si. Qhov no yog vim nws cov txiaj ntsig xws li kev ywj pheej, lub zog, thiab lub peev xwm kom muaj xim ci ntsa iab. Tsab xov xwm no yuav nkag mus tob dua rau hauv... Nyeem ntxiv

Cov Txheej Txheem Tsim Khoom Yas Urethane thiab Nws Cov Kev Siv Hauv Kev Lag Luam Rooj Tog Taw Qhia Yas Urethane, lossis polyurethane, yog cov khoom siv uas muaj ntau yam kev siv hauv ntau yam lag luam, suav nrog kev lag luam rooj tog. Cov yas no paub txog nws qhov yooj ywm, ruaj khov, thiab cov khoom ua tau zoo. Tsab xov xwm no yuav tham txog cov txheej txheem tsim khoom ntawm yas urethane thiab nws ntau yam kev siv hauv kev lag luam rooj tog ... Nyeem ntxiv

Cov Txheej Txheem Txhaj Tshuaj Molding rau Kev Tsim Yas thiab Hom Yas Tsim Nyog Kev txhaj tshuaj molding yog ib qho ntawm cov txheej txheem tsim khoom siv feem ntau siv los tsim cov khoom yas ntau nrog kev ua haujlwm zoo thiab tus nqi qis. Cov txheej txheem no suav nrog kev ua cov yas los ntawm kev txhaj cov khoom siv molten rau hauv pwm txias. Tom qab cov khoom siv… Nyeem ntxiv