Xov xwm

Qhov Txawv Tseem Ceeb–UHMW piv rau HDPE

UHMW thiab HDPE yog cov thermoplastic polymers uas muaj cov tsos zoo sib xws. Qhov sib txawv tseem ceeb ntawm UHMW thiab HDPE yog tias UHMW muaj cov saw polymer ntev nrog cov molecular hnyav heev thaum HDPE muaj qhov sib piv ntawm lub zog thiab qhov ceev.

UHMW sawv cev rau Ultra High Molecular Weight polyethylene. Nws kuj tseem yog lub npe hu ua UHMWPE. Lo lus HDPE sawv cev rau High Density Polyethylene.

UHMW yog dab tsi?

UHMW yog polyethylene uas muaj molecular hnyav heev. Nws yog ib hom thermoplastic polymer. Cov polymer compound no muaj cov saw polymer ntev heev uas muaj molecular hnyav siab (kwv yees li 5-9 lab amu). Yog li ntawd, UHMW muaj molecular density siab tshaj plaws. Txawm li cas los xij, qhov tsos ntawm cov compound no tsis txawv ntawm HDPE.

Cov Khoom ntawm UHMW

Cov yam ntxwv tseem ceeb ntawm UHMW yog raws li nram no.

Nws yog ib yam khoom siv tawv.

Muaj lub zog cuam tshuam siab

Tsis muaj ntxhiab thiab tsis qab

Muaj peev xwm txav tau zoo

Kev tiv thaiv tawg

Nws tsis nplaum heev

Cov tshuaj no tsis muaj tshuaj lom, thiab muaj kev nyab xeeb.

Nws tsis nqus dej.

Txhua txoj saw polymer hauv UHMW ntev heev, thiab lawv sib dhos ua ke tib qho kev taw qhia. Txhua txoj saw polymer raug sib txuas nrog lwm cov saw polymer nyob ib puag ncig los ntawm Van der Waal forces. Qhov no ua rau tag nrho cov qauv ruaj khov heev.

UHMW yog tsim los ntawm kev polymerization ntawm monomer, ethylene. Kev polymerization ntawm ethylene tsim cov khoom polyethylene puag. Cov qauv ntawm UHMW txawv ntawm HDPE vim yog txoj kev tsim khoom. UHMW yog tsim nyob rau hauv qhov muaj metallocene catalyst (HDPE yog tsim nyob rau hauv qhov muaj Ziegler-Natta catalyst).

Cov ntawv thov ntawm UHMW

Kev tsim cov log tsheb hnub qub

Cov ntsia hlau

Cov menyuam

Cov iav

Cov phaj swb

HDPE yog dab tsi?

HDPE yog polyethylene uas muaj zog heev. Nws yog cov khoom siv thermoplastic polymer. Cov khoom siv no muaj qhov ceev siab thaum piv rau lwm hom polyethylene. Qhov ceev ntawm HDPE yog muab rau 0.95 g / cm3. Txij li thaum qib ntawm cov saw polymer branching hauv cov khoom siv no qis heev, cov saw polymer tau ntim nruj. Qhov no ua rau HDPE nyuaj thiab muab kev tiv thaiv kev cuam tshuam siab. HDPE tuaj yeem ua haujlwm hauv qab qhov kub thiab txias li ntawm 120°C tsis muaj kev cuam tshuam tsis zoo. Qhov no ua rau HDPE autoclavable.

Cov khoom ntawm HDPE

Cov khoom tseem ceeb ntawm HDPE suav nrog,

Nyuaj heev

Tiv taus kev cuam tshuam siab

Siv tau rau hauv qhov cub kom qhuav

Qhov tsos tsis pom tseeb los yog pob tshab

Qhov sib piv ntawm lub zog siab rau qhov ceev

Lub teeb yuag

Tsis muaj los yog tsawg dua kev nqus dej

Kev tiv thaiv tshuaj lom neeg

HDPE yog ib qho ntawm cov khoom siv yas uas yooj yim siv dua. Cov yam ntxwv no txiav txim siab qhov kev siv ntawm HDPE.

Cov ntawv thov ntawm HDPE

Qee cov ntawv thov tseem ceeb suav nrog cov hauv qab no.

Siv ua cov thawv rau ntau yam kua sib xyaw xws li mis nyuj thiab khaws cov tshuaj xws li cawv.

Yuav tsim cov hnab yas rau kev yuav khoom

Cov tais

Cov khoom siv yeeb nkab

HDPE kuj tseem siv rau cov laug cam txiav

Qhov Zoo Sib Xws Ntawm UHMW thiab HDPE yog dab tsi?

UHMW thiab HDPE yog ua los ntawm ethylene monomers.

Ob qho tib si yog cov thermoplastic polymers.

Ob leeg muaj ib qho tsos uas tsis sib txawv.

Kev Txheeb Xyuas–UHMW piv rau HDPE

Ob qho tib si UHMW thiab HDPE yog ua los ntawm ethylene monomers ntawm polymerization. Qhov sib txawv tseem ceeb ntawm UHMW thiab HDPE yog tias UHMW muaj cov saw polymer ntev nrog cov molecular hnyav heev thaum HDPE muaj qhov sib piv zog-rau-density siab.