2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Nylon yog dab tsi? Nylon yog cov khoom siv hluavtaws hluavtaws muab los ntawm petrochemicals, uas yog siv dav thoob plaws hauv kev lag luam zam. Nws thawj zaug siv yog rau kev tsim cov txhuam hniav hauv xyoo 1938 thaum qhov kev lag luam nrov tshaj plaws tau pib hauv xyoo 1940, vim nws tau los ua cov ntaub ntawm kev xaiv rau poj niam cov hnab looj tes.
Peb tau nylon qhov twg?
Nylon ntaub yog ib qho polymer, uas txhais tau hais tias nws yog tsim los ntawm cov saw ntev ntawm carbon-based molecules hu ua monomers. Muaj ob peb yam sib txawv ntawm nylon, tab sis feem ntau ntawm lawv tau muab los ntawm polyamide monomers uas tau muab rho tawm los ntawm cov roj crude, uas tseem hu ua roj av.
Nylon yog ua los ntawm dab tsi?
Nylon, ib yam khoom siv yas hluavtaws muaj li ntawm polyamides ntawm qhov hnyav molecularthiab feem ntau, tab sis tsis tas li, tsim ua fiber ntau. Nylons tau tsim nyob rau xyoo 1930 los ntawm pab pawg tshawb fawb los ntawm Asmeskas kws tshuaj, Wallace H. Carothers, ua haujlwm rau EI. du Pont de Nemours & Company.
Nylon yog tsim los ntawm cov nroj tsuag?
Ib tug yog los ntawm tus tsiaj, ib tug los ntawm ib tsob nroj, thiab lwm yam yog hluavtaws, tab sis tag nrho peb yog ua los ntawm polymer strands. … Nylon yog ib qho hluavtaws polymer ua los ntawm cov tshuaj tiv thaiv condensation ntawm ob yam tshuaj. Nws yog qhov tseem ceeb zoo li ntev, nyias fiber ntau ntawm cov yas.
Nylon puas tsim kev puas tsuaj rau tib neeg?
Puas phem rau koj lub cev? Yes. Nylon kuj tsis yog ntaub zoo rau kojhnav los yog. … Ib qho khaus hu ua formaldehyde kuj pom muaj nyob hauv nylon thiab tau txuas rau daim tawv nqaij khaus thiab teeb meem qhov muag.
Pom zoo:
Qhov twg yog ua los ntawm nylon?
Piv txwv li, cov khoom xws li hnab pw tsaug zog, hlua, lub rooj zaum hauv tsheb, cov khoom siv parachuting, tubing hose, tarpaulin thiab cov hniav txhuam hniav yuav ua los ntawm Nylon. Nylon yog arguably cov khoom siv ntau yam muaj rau kev siv.
Kuv puas tuaj yeem ua xua rau nylon?
Synthetic lossis man-made fibers suav nrog rayon, nylon, polyester, roj hmab, fiberglass, thiab spandex. Txawm hais tias tag nrho cov fibers tuaj yeem ua rau khaus thiab ua xua rau cov kab mob dermatitis, nws tsis tshua muaj rau lawv uakev tsis haum dermatitis.
Koj puas tuaj yeem tsis muaj dej ripstop nylon?
Qhov ripstop nylon, tshwj xeeb, tshwj xeeb yog coated nrog PU (polyurethane). PU txheej tso cai rau cov ntaub ripstopua kom tsis muaj dej los ntawm kev siv cov txheej txheem sib khi (tus txheej txheem ntawm kev npog cov plooj qhov thiab cov seams hauv ib daim ntaub los tiv thaiv txhua yam dej tawm), tiv taus txhua yam.
Puas nylon puas yog yas thermosetting?
Nylon yog cais raws li "thermoplastic"(as opposed to "thermoset") cov khoom, uas yog hais txog txoj kev yas teb rau cov cua sov. … Los ntawm qhov sib piv, cov yas thermoset tsuas tuaj yeem ua kom sov ib zaug xwb (feem ntau thaum lub sij hawm txhaj tshuaj molding).
Puas yog tsib theem ntawm kev loj hlob ntawm kev puas siab puas ntsws?
Ntawm tsib theem kev puas siab puas ntsws, uas yog qhov ncauj, qhov quav, phallic, latent, thiab qhov chaw mos, thaj chaw erogenous cuam tshuam nrog txhua theem ua haujlwm zoo siab. … Yog hais tias cov theem kev puas siab puas ntsws ua tiav tiav, tus cwj pwm noj qab haus huv yog qhov tshwm sim.
