Tsawg tsawg tuab polymers - lub sijhawm thaum muaj cov ntaub ntawv tshwj xeeb hu ua yog li ntawd, cov khoom muaj tswv yim zoo li ntawd, cov khoom muaj tswv yim zoo tshaj plaws rau xov tooj ntawm tes forex zoo tshaj plaws suav. Nws yog lub teeb yuag ncab cov khoom siv yas uas ua raws li koj lub cev tab sis ib txwm rov qab sai sai thaum koj tau tawm ntawm nws (tsis zoo li lub cim xeeb ua npuas ncauj uas siv sij hawm ntev dua los tiv tauj nws qhov kev xav pib). Tsawg ntom ntom polymers yog siv los tsim ntau yam khoom piv txwv los ntawm cov hnab yas, ntim thiab txawm tias cov khoom ua si. Nws yog ib qho tseem ceeb thiab ntxim nyiam cov yas vim nws ua rau peb thauj khoom yooj yim hauv peb lub neej ib txwm.
Polyethylene thiab lwm yam tsawg ntom polyethylene muaj ntau yam muaj txiaj ntsig zoo uas ua rau lawv siv tau. Rau ib qho, lawv yog cov elastic heev - txhais tau tias lawv tuaj yeem khoov thiab ncab yam tsis muaj kev tawg. Nws yog qhov yoog raws qhov ua rau lawv tuaj yeem ua rau ntau hom. Tsawg ntom ntom polymers tseem ua haujlwm tseem ceeb ntawm kev khaws cov khoom ntub lossis qhuav, uas yog qhov tseem ceeb rau ntim txhua yam uas yuav muaj cov khoom noj lossis dej haus (lub hnab). Vim lawv cov yam ntxwv ntau, lawv yog cov khoom siv zoo tshaj plaws uas tuaj yeem hloov pauv tau yooj yim hauv cov duab sib txawv thiab qhov ntau thiab tsawg uas haum rau peb qhov kev xav tau li no cov hnab yas.
Yuezheng siv ldpe tsawg ntom polyethylene los tsim lawv lub hnab. Cov hnab no ruaj khov thiab tuaj yeem nqa tau ntau yam khoom. Txawm tias .... yog tias lawv tuaj yeem ntim cov khoom lag luam zoo nkauj tawm, hnyav heev txawm li cas los xij, siv tau rau qhov twg koj xav tau thiab raws li "Loj" xov xwm yuav tsis yog li ntawd! Tej zaum koj yuav tau pom cov hnab no ntawm lub khw muag khoom noj lossis thaum koj mus yuav khoom hauv khw sib txawv. Lawv zoo meej rau txhua lub sijhawm koj xav nqa khoom noj, khoom siv hauv tsev kawm lossis txhua yam.
Lwm qhov txiaj ntsig zoo ntawm cov polymers uas tsis tshua muaj siab yog tias lawv khoov. Lawv tuaj yeem flexed thiab khoov yam tsis muaj kev tawg uas yog qhov tseem ceeb rau cov khoom xws li cov hnab uas yuav tsum tau nthuav dav lossis nthuav dav ntawm ntau yam duab (""); Lawv kuj yog cov dej tsis muaj dej thiab tshuaj pov thawj tib lub sijhawm uas txhais tau hais tias nws tuaj yeem stag terliquid nrog rau cov khoom tsis muaj emitting, lossis tawg.
Txawm li cas los xij, cov polymers tsawg tsawg kuj tuaj nrog qhov tsis zoo me me. Qhov tsis zoo yog tias lawv tsis yog cov khoom muaj zog tshaj plaws, yog li nws tsis zoo li koj tuaj yeem ua lub thawv hnyav lossis rooj tog nrog lawv. Lwm qhov teeb meem yog tias lawv tsis zoo nrog lub hnub, vim nws tawg sai sai tshwj xeeb tshaj yog nyob rau hauv cov khoom sab nraum zoov tau txais lub hnub ci tas li.
Cov kev txhim kho hauv thev naus laus zis tau ua txoj hauv kev rau cov tswv yim tshiab los txhim kho cov polymers tsawg. Qee qhov piv txwv ntawm qhov no yog li cas cov kws tshawb fawb tau kawm los tsim cov polymers uas muaj zog tsawg dua los ntawm kev qhia lwm cov ntaub ntawv. Tag nrho cov txheej txheem tshiab no txhais tau tias tsim cov khoom lag luam nyob ntev dua, thiab EE Times analogs uas los ntawm kev txhim kho cov khoom lag luam nws qhib qhov muaj feem yuav ua kom zoo dua lub zog rov qab.
Yuezheng ua rau lawv lub qhov muag qhib rau txoj kev tshiab thiab txhim kho ntau dua uas lawv tuaj yeem ua lub hnab zoo tshaj plaws hauv tes. Thiab lawv tau ua hauj lwm rau tej yam xws li tsim lub hnab rov siv tau uas yuav siv ntau dua ib zaug. Cov hnab no tau npaj los ntawm cov thev naus laus zis qis qis qis dua cov polymers, uas yog qhov muaj zog dua thiab kav ntev dua. Yuezheng, nws txo cov pov tseg thiab pib ib cov lus tseem ceeb heev; los saib xyuas peb ib puag ncig uas tsim cov hnab rov qab siv tau.
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