Dab tsi yog thermoplastic ua los ntawm?
Dab tsi yog thermoplastic ua los ntawm?

Video: Dab tsi yog thermoplastic ua los ntawm?

Video: Dab tsi yog thermoplastic ua los ntawm?
Video: DAG KUV DAB TSIS - BY : XIJ THOJ [ NEW SONG 2019 ] Original 2024, Kaum ib hlis
Anonim

A thermoplastic yog cov khoom siv, feem ntau yog cov yas polymer, uas ua rau muag muag thaum cua sov thiab tawv thaum txias. Thermoplastic Cov ntaub ntawv tuaj yeem ua kom txias thiab ua kom sov ntau zaus yam tsis muaj kev hloov pauv hauv lawv cov chemistry lossis cov khoom siv kho tshuab. Thaum twg thermoplastics yog rhuab mus rau lawv melting point, lawv yaj mus rau ib tug kua.

Yog li ntawd, thermoplastic siv rau dab tsi?

Cov thermoplastics yog siv rau ntau qhov kev siv ntawm cov hnab yas mus rau cov khoom siv kho tshuab. Nyob rau hauv sib piv, thermosetting yas tuaj yeem tiv taus kub heev. Thaum nws cov txheej txheem kho, cov polymers txuas ua ke los tsim cov tshuaj lom neeg ruaj khov.

Ib yam li ntawd, thermoplastic ua li cas? Thermoplastic nplooj ntawv yog tsim los ntawm cov khoom siv raw, suav nrog cov khoom siv polymer, cov xim, thiab cov khoom ntxiv, nyob ntawm seb cov qauv tsim tshwj xeeb xav tau. Thaum cov ntaub ntawv raw yog sib tov, lawv tau rhuab, nias los ntawm extrusion tuag, thiab kos rau hauv ib daim ntawv los ntawm ib txheej ntawm chais.

Ib yam li ntawd, tib neeg nug, dab tsi yog qhov piv txwv zoo ntawm cov thermoplastic?

Polyethylene, polypropylene, polyvinyl chloride, polystyrene, polybenzimidazole, acrylic, nylon thiab Teflon yog piv txwv ntawm thermoplastics . Thermo-softening yas, los yog thermoplastic , ua mos thiab saj zawg zog ntawm ib tug tej yam kub thiab solidifies ntawm txias.

Thermoplastic tuaj qhov twg?

Qhov tseem ceeb ntawm cov khoom siv hluavtaws yog cov roj. Coal thiab natural gas kuj yog siv los tsim cov yas. Petrol, paraffin, lubricating roj thiab roj av siab yog ob yam khoom, tsim thaum lub sij hawm refining ntawm cov roj crude.

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