Cov khoom siv hluavtaws zoo li cas?
Cov khoom siv hluavtaws zoo li cas?

Video: Cov khoom siv hluavtaws zoo li cas?

Video: Cov khoom siv hluavtaws zoo li cas?
Video: txu thoj qhia kev siv tshuaj caiv li cas 2024, Kaum ib hlis
Anonim

Synthetic fabrics , xws li nylon thiab polyester, yog tsim los ntawm cov tshuaj. Synthetic fabrics yog pab tau vim lawv muaj qhov sib txawv los yog txhim kho (kho) cov khoom sib piv rau ntuj cov ntaub ntawv . Piv txwv li, yas raincoats yog waterproof, thiab stretchy Lycra® khaws nws cov duab qub.

Ib yam li ntawd, cov khoom siv hluavtaws siv rau dab tsi?

Kev piav qhia. Synthetic fibers yog tsim los ntawm synthesized polymers ntawm me me molecules. Cov compounds uas yog siv rau ua cov no fibers los ntawm raw cov ntaub ntawv xws li roj av chemicals lossis petrochemicals. Cov no cov ntaub ntawv yog polymerized rau hauv cov tshuaj uas khi ob lub atoms uas nyob ib sab.

Tsis tas li ntawd, cov khoom siv hluavtaws cuam tshuam rau zej zog li cas? Cov khoom siv hluavtaws yog ua los ntawm chemically hloov cov tshuaj pib rau tsim ib khoom nrog cov yam ntxwv sib txawv. Qee qhov piv txwv ntawm cov khoom siv hluavtaws yog yas, tshuaj, thiab roj tshiab. Ua thiab siv cov khoom siv hluavtaws muaj ob qho zoo thiab tsis zoo cuam tshuam rau zej zog.

Kuj tseem paub yog, cov khoom siv hluavtaws pab tau li cas rau ib puag ncig?

Cov khoom siv hluavtaws uas yog los ntawm cov khoom ntawm cov roj av tsis yog biodegradable, hluavtaws cov khoom siv sij hawm ntev rau decompose, tsim kom muaj kuab paug mus ntev. Nylon yog ib qho nyuaj rau rov ua dua, ua rau lawv nyuaj rau decompose, sib sau cov chaw pov tseg ntau dua. Polyesters yog ib qho yooj yim rau recycle, uas ua rau lawv tsis tshua muaj teeb meem rau lub zej zog.

Cov khoom siv hluavtaws puas zoo?

Ib txhia cov khoom siv hluavtaws muaj xws li nylon, polyester, acetate, acrylic, spandex, orlon, lastex thiab Kevlar. Thaum nws los txog rau khau, cov khoom siv hluavtaws muab lub teeb yuag dua thiab muab cov qib siab dua ntawm breathability. Tam sim no, feem ntau cov neeg feem ntau nug yog tias cov khoom siv hluavtaws rau nkawm khau tuaj yeem tsis muaj dej.

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