Chiyambi choyambirira chaPP nonwoven nsalundi nsalu ya polyester yopanda nsalu
Nsalu ya PP yosawomba, yomwe imadziwikanso kuti polypropylene yopanda nsalu, imapangidwa ndi ulusi wa polypropylene womwe umasungunuka ndi kupota pa kutentha kwakukulu, utakhazikika, kutambasula, ndi kuluka munsalu yosalukidwa. Ili ndi mawonekedwe otsika kachulukidwe, opepuka, kupuma, komanso kutulutsa chinyezi. Ubwino wa nsalu zopanda nsalu za polypropylene ndizochepa kwambiri ndipo mtengo wake ndi wotsika mtengo.
Nsalu ya polyester yopanda nsalu, yomwe imadziwikanso kuti polyester non-woven fabric, ndi nsalu yosalukidwa yomwe imapangidwa pokonza ulusi wa polyester kudzera munjira zosiyanasiyana monga kutentha ndi zowonjezera za mankhwala. Ili ndi kutambasuka kwakukulu, kulimba, kukana kukangana, kukana kutentha, kukana dzimbiri, komanso kusalala. Ubwino wa nsalu za polyester zosalukidwa ndizokwera kwambiri ndipo mtengo wake ndi wokwera mtengo.
Kusiyana pakati pa PP nonwoven nsalu ndi polyester sanali nsalu nsalu
Kusiyana kwazinthu
Ponena za zopangira, PP imatanthawuza polypropylene, yomwe imadziwikanso kuti polypropylene; PET amatanthauza polyester, yomwe imadziwikanso kuti polyethylene terephthalate. Zosungunuka zazinthu ziwirizi ndizosiyana, PET ili ndi malo osungunuka a madigiri oposa 250, pamene PP ili ndi malo osungunuka a madigiri 150 okha. Polypropylene ndi yoyera, ndipo ulusi wa polypropylene umakhala wocheperako kuposa ulusi wa polyester. Polypropylene ndi asidi ndi alkali kugonjetsedwa koma osati kukalamba, pamene polyester ndi kukalamba kugonjetsedwa koma osati asidi ndi alkali kugonjetsedwa. Ngati mukukonza kwanu kumafuna kugwiritsa ntchito uvuni kapena kutentha kopitilira madigiri 150 Celsius, PET ingagwiritsidwe ntchito.
Kusiyana kwa ndondomeko ya kupanga
Nsalu za polypropylene zopanda nsalu zimakonzedwa kupyolera mu kutentha kwapamwamba kusungunula kupota, kuzizira, kutambasula, ndi ukonde mu nsalu zopanda nsalu, pamene nsalu ya polyester yopanda nsalu imakonzedwa kudzera mu njira zosiyanasiyana monga kutentha ndi zowonjezera mankhwala. Njira zosiyanasiyana zogwirira ntchito nthawi zambiri zimatsimikizira ntchito yomaliza. Kunena zoona, PET ndiyokwera kwambiri komanso yokwera mtengo. Nsalu ya PET polyester yopanda nsalu ili ndi: choyamba, kukhazikika bwino kuposa nsalu ya polypropylene yosalukidwa, makamaka imawonetseredwa mu mphamvu, kuvala kukana ndi zina. Chifukwa chogwiritsa ntchito zida zapadera komanso zida zotsogola zotsogola, komanso njira zovuta komanso zasayansi zopangira, nsalu za polyester zopanda nsalu zadutsa kwambiri zomwe zili ndiukadaulo komanso zofunikira za nsalu zopanda nsalu za polypropylene.
Kusiyana kwamakhalidwe
Nsalu ya polypropylene yopanda nsalu imakhala ndi mawonekedwe otsika kwambiri, opepuka, opumira, komanso kutulutsa chinyezi, pomweNsalu ya polyester yopanda nsaluali ndi kutambasuka kwakukulu, kulimba, kukana kutentha, kukana dzimbiri, komanso kusalala. PP imakhala ndi kutentha kwakukulu kwa kutentha pafupifupi madigiri 200, pamene PET imakhala ndi kutentha kwapakati pafupifupi madigiri 290, ndipo PET imagonjetsedwa ndi kutentha kwambiri kuposa PP. Kusindikiza kosalukidwa, kutengera kutentha, PP yokhala ndi m'lifupi mwake imacheperachepera, PET imacheperachepera ndipo imakhala ndi zotsatira zabwino, PET ndiyopanda ndalama zambiri komanso imawononga ndalama zambiri. Kulimba kwamphamvu, kukangana, kunyamula katundu, komanso kulemera komweko, PET imakhala ndi mphamvu zochulukirapo, kupsinjika, komanso kunyamula katundu kuposa PP. 65 magalamu a PET ndi ofanana ndi kulimba kwamphamvu, kukangana, ndi kunyamula katundu wa 80 magalamu a PP. Malinga ndi chilengedwe, PP imasakanizidwa ndi zinyalala za PP zobwezerezedwanso, pomwe PET imapangidwa ndi tchipisi tatsopano ta polyester, zomwe zimapangitsa kuti PET ikhale yotetezeka komanso yaukhondo kuposa PP.
Nsalu zosalukidwa za PP zimakhala ndi kachulukidwe ka 0.91g/cm zokha, zomwe zimapangitsa kuti ikhale yopepuka kwambiri pakati pa ulusi wamba wamankhwala. Pamene polyester sanali nsalu nsalu ndi amorphous kwathunthu, kachulukidwe ake ndi 1.333g/cm. Nsalu ya PP yosalukidwa imakhala ndi kuwala kosasunthika, sikugonjetsedwa ndi kuwala kwa dzuwa, ndipo imakonda kukalamba komanso kuphulika. Nsalu ya polyester yosalukidwa: Imakhala ndi mphamvu yokana kuwala ndipo imangotaya 60% ya mphamvu zake pambuyo pa maola 600 akukhala padzuwa.
Zochitika zosiyanasiyana zogwiritsira ntchito
Mitundu iwiriyi ya nsalu zopanda nsalu imakhala ndi kusiyana kwakukulu pakugwiritsa ntchito, koma imatha kusinthana pazinthu zina. Pali kusiyana kokha pakuchita. Kuzungulira koletsa kukalamba kwa nsalu za polyester zosalukidwa ndizokwera kuposa zansalu za polypropylene zopanda nsalu. Nsalu za polyester zosalukidwa zimagwiritsa ntchito polyvinyl acetate ngati zopangira, ndipo zimagonjetsedwa ndi njenjete, abrasion ndi kuwala kwa ultraviolet. Makhalidwe apamwambawa ndi apamwamba kuposa a nsalu za polypropylene zopanda nsalu. Poyerekeza ndi polypropylene ndi nsalu zina zosalukidwa, nsalu ya polyester yosalukidwa imakhala ndi zinthu zabwino kwambiri monga zosayamwa, zosagwira madzi, komanso kupuma mwamphamvu.
Mapeto
Mwachidule, nsalu za polypropylene zosalukidwa ndi poliyesitala zosalukidwa ndi zida ziwiri zomwe zimagwiritsidwa ntchito kwambiri zomwe sizinawombedwe. Ngakhale pali kusiyana kwina kwa zida, njira zopangira, ndi mawonekedwe, amakhalanso ndi zosiyana pamagwiritsidwe ntchito. Pokhapokha posankha zida zoyenera zosalukidwa malinga ndi zosowa zenizeni zomwe tingathe kukwaniritsa zofuna kupanga.
Dongguan Liansheng Non Woven Technology Co., Ltd.idakhazikitsidwa mu Meyi 2020. Ndi bizinesi yayikulu yopanda nsalu yopanga nsalu kuphatikiza kafukufuku ndi chitukuko, kupanga, ndi malonda. Itha kupanga mitundu yosiyanasiyana ya nsalu za PP spunbond zosalukidwa ndi m'lifupi mwake osakwana 3.2 metres kuchokera ku 9 magalamu mpaka 300 magalamu.
Nthawi yotumiza: Oct-12-2024