Dab tsi yog pp ua los ntawm? Cov ncauj lus kom ntxaws saib ntawm cov khoom thiab kev siv ntawm polypropylene (PP)
Thaum nws los txog rau cov ntaub ntawv yas, cov lus nug nquag yog dab tsi yog PP ua los ntawm.PP, lossis polypropylene, yog ib qho kev siv hluav taws xob tsis tshua muaj nyob rau hauv ob lub neej txhua hnub thiab kev lag luam. Hauv tsab xov xwm no, peb yuav txheeb xyuas cov khoom siv thiab cov khoom siv lub cev ntawm pp khoom thiab nws cov kev siv ntau yam hauv cov kev siv ntau.
Dab tsi yog PP?
PP (polypropylene) Suav lub npe rau polypropylene, yog cov khoom hluavtaws tsim los ntawm cov polymerisation ntawm propylene monomer. Nws zwm rau cov polyolefin pab pawg ntawm cov plastics thiab yog ib qho ntawm feem ntau siv plastics hauv ntiaj teb. Cov ntaub ntawv Polypropylene tau dhau los ua cov ncej tseem ceeb ntawm cov plastics kev lag luam vim lawv cov nqi zoo thiab cov nqi ntau lawm.
Cov qauv tshuaj lom neeg thiab cov khoom ntawm PP
Los ntawm cov qauv tshuaj xyuas, cov qauv molecular ntawm PP yog qhov yooj yim thiab muaj cov qauv siv hluav taws xob, thiab yog li cov khoom siv hluav taws xob tsis muaj ntau yam ntxiv. Siv dav hauv hluav taws xob thiab hluav taws xob muaj kev nqus hluav taws xob zoo, ua rau nws siv hluav taws xob tsawg, ua rau nws dav hauv cov hluav taws xob thiab cov hluav taws xob teb.
Lub cev cov khoom ntawm PP
Lub zog ntawm lub cev ntawm polypropylene txiav txim siab nws siv nyob rau hauv ntau yam ntawm crystalics, uas yog ib qho siab tshaj plaws (txog 0.91 G / 160 txog 170 ° C) ua kom nws siv ntau Qhov kub thiab txias tsis muaj deformed.pp muaj lub siab melting point (160 txog 170 ° C), uas ua rau nws muaj peev xwm siv tau ntau dua yam tsis muaj qhov tsis txaus ntshai. deformation. Cov khoom siv lub cev ua rau PP zoo tagnrho rau ntim, khoom siv hauv tsev thiab qhov chaw tsheb.
Cov chaw thov rau cov khoom siv pp
Vim nws cov khoom tau zoo, PP yog siv nyob rau hauv ntau cov kev siv. Hauv kev lag luam ntim khoom, PP feem ntau siv los ua cov hnab yas, khoom noj ntim khoom thiab lub raj mis ntim khoom thiab tsis muaj tshuaj lom thiab ua kom cov zaub mov tshiab rau lub sijhawm ntev. Hauv cov teb kho mob, PP yog siv los ua cov koob txhaj tshuaj thiab kev ua kom tsis muaj txiaj ntsig zoo rau cov khoom siv hluav taws xob sab hauv, vim tias nws cov kev tsis txaus siab tiv thaiv kev tsis zoo thiab lub teeb yuag.
Ib puag ncig tus phooj ywg thiab muaj kev cia siab
Nrog rau kev tiv thaiv ntxiv ntawm kev tiv thaiv ib puag ncig, pp khoom siv rau nws cov khoom siv roj carbon monections thiab cov khoom siv tshuaj ntsuab kuj ua rau nws muaj zog ua ntej rau kev sib tw ua ntej.
Tag
Cov lus nug ntawm dab tsi PP yog ua los ntawm tuaj yeem teb cov qauv tshuaj, thiab ntau yam ntawm kev lag luam tawm ntawm cov khoom lag luam loj hlob los ua cov khoom siv uas muaj zog, thiab ib puag ncig ib puag ncig. Yog tias koj xav tau nqi-ua tau zoo thiab versatility thaum xaiv cov khoom siv yas, pp yog undoubtedly txoj kev xaiv zoo tagnrho.