Cov hnab polypropylene (PP) woven, ua ib yam khoom ntim khoom tseem ceeb, tau siv dav hauv kev ua lag luam hauv xyoo tas los no, tshwj xeeb tshaj yog hauv kev thauj mus los thiab khaws cia cov khoom loj. Keeb kwm ntawm cov hnab PP woven tuaj yeem taug qab rov qab mus rau xyoo 1950, thaum kev tsim cov ntaub ntawv polypropylene tau tso lub hauv paus rau kev tsim cov hnab woven. Nrog rau kev nce qib tas mus li ntawm thev naus laus zis, cov txheej txheem tsim cov hnab PP woven tau maj mam loj hlob, tsim ntau hom hnab woven uas peb paub txog niaj hnub no.
Thaum ub, cov hnab PP woven feem ntau yog siv rau hauv kev ua liaj ua teb thiab kev tsim kho. Thaum kev thov ntawm kev ua lag luam nce ntxiv, cov chaw tsim khoom tau pib tsim cov khoom uas muaj peev xwm loj dua, uas yog cov hnab loj. Cov hnab loj feem ntau yog siv los thauj thiab khaws cov khoom loj, xws li cov chiv, cov nplej, thiab cov zaub mov. Lawv muaj qhov zoo ntawm lub peev xwm thauj khoom muaj zog, tiv taus kev hnav, thiab tiv taus kev tsim kua muag. Lawv qhov tshwm sim tau txhim kho kev ua haujlwm ntawm kev thauj mus los thiab txo cov nqi thauj mus los.
Nkag mus rau hauv lub xyoo pua 21st, qhov kev siv ntawm cov hnab PP woven tau nthuav dav tas li. Ntxiv nrog rau kev lag luam ua liaj ua teb thiab kev tsim kho ib txwm muaj, cov hnab PP woven kuj tau pib siv dav hauv cov khoom noj, tshuaj lom neeg, tshuaj thiab lwm yam teb. Nrog rau kev paub txog kev tiv thaiv ib puag ncig, ntau lub tuam txhab tsim khoom tau pib tshawb nrhiav cov khoom siv degradable thiab cov hnab PP woven rov ua dua tshiab kom tau raws li kev thov ntawm kev ua lag luam rau cov khoom lag luam zoo rau ib puag ncig.
Feem ntau, keeb kwm kev loj hlob ntawm cov hnab PP woven thiab cov hnab loj qhia txog kev nce qib ntawm cov ntaub ntawv tshawb fawb thiab kev tsim khoom siv. Yav tom ntej, nrog rau kev txhim kho tas mus li ntawm kev tshawb fawb thiab thev naus laus zis, cov haujlwm thiab cov chaw siv ntawm cov hnab PP woven yuav dhau los ua ntau yam thiab dhau los ua ib feem tseem ceeb ntawm kev lag luam ntim khoom niaj hnub.
Lub sijhawm tshaj tawm: Lub Ob Hlis-26-2025