Ndizifukwa ziti zomwe zimagwiritsidwa ntchito kwambiri ndi polypropylene muukadaulo wosungunuka?

Mfundo yopanga nsalu ya meltblown

Nsalu ya Meltblown ndi chinthu chomwe chimasungunula ma polima pa kutentha kwakukulu kenako kuwapopera mu ulusi wopanikizika kwambiri. Ulusi umenewu umazizira mofulumira ndi kukhazikika mumlengalenga, kupanga ukonde wochuluka kwambiri, wochita bwino kwambiri. Izi sizimangogwira ntchito bwino zosefera, komanso ndizopepuka komanso zopumira, zomwe zimapangitsa kuti zikhale zoyenera kugwiritsidwa ntchito pazida zodzitetezera monga masks.

Waukulu zopangira nsalu meltblown

Chopangira chachikulu cha nsalu yosungunuka ndi polypropylene, yomwe imadziwika kuti PP. Pakadali pano, masks wamba omwe amasungunuka pamsika amagwiritsa ntchito nsalu ya polypropylene meltblown ngati zinthu zosefera. Chifukwa chosankha polypropylene ngati zopangira zazikulu ndikuti ili ndi ntchito yabwino yopangira komanso mtengo wake, komanso ndi wokonda zachilengedwe.

Kuphatikiza pa polypropylene, nsalu zosungunuka zimatha kupangidwanso ndi zinthu zina monga poliyesitala, nayiloni, nsalu, ndi zina zotero.

Polypropylene imagwiritsidwa ntchito kwambiri muukadaulo wosungunula chifukwa ili ndi zabwino zotsatirazi

1. The mamasukidwe akayendedwe a polima akhoza lizilamuliridwa pogwiritsa ntchito okosijeni kapena peroxides mu ndondomeko extrusion, kapena umakaniko akumeta ubweya wa extruder kapena kulamulira kutentha ntchito kukwaniritsa kuwonongeka matenthedwe, pofuna kulamulira mamasukidwe akayendedwe a Sungunulani.

2. The maselo kulemera kugawa akhoza lizilamuliridwa ndi Sungunulani kuwombeza sanali nsalu ndondomeko, amene amafuna ndi yopapatiza maselo kulemera kugawa kuti apange yunifolomu ultrafine ulusi. Pogwiritsa ntchito matekinoloje atsopano othandizira monga metallocene catalysts, ma polima okhala ndi index yosungunuka kwambiri komanso kugawa kwamphamvu kwa ma cell amatha kupangidwa.

3. Malo osungunuka kwambiri ndi okwanira kukana kutentha kwa polypropylene pazinthu zambiri zamalonda, ndipo ali ndi propylene yosungunuka. Kuchulukana, chifukwa chake, ndikopindulitsa kwambiri pakukonza zomangira zomwe zimagwiritsidwa ntchito nthawi zambiri muukadaulo wopanda nsalu.

4. Zimapindulitsa kupanga ulusi wa ultrafine. Ngati mamasukidwe akayendedwe a polypropylene amasungunuka ndi otsika ndipo kugawa kwa maselo ndikocheperako, kumatha kupangidwa kukhala ulusi wabwino kwambiri pansi pakugwiritsa ntchito mphamvu zomwezo komanso kutambasula mumayendedwe osungunuka. Choncho, wamba CHIKWANGWANI awiri a polypropylene Sungunulani kuwombeza sanali nsalu nsalu ndi 2-5um, kapena ngakhale bwino.

5. Chifukwa cha kugwiritsira ntchito mpweya wotentha wotentha kwambiri muzitsulo zosungunula, zimafunika kugwiritsa ntchito ma polima okhala ndi ndondomeko yosungunuka kwambiri, yomwe imakhala yopindulitsa pakuwonjezera kupanga ndi kuchepetsa mphamvu zamagetsi. Pakali pano, tchipisi cha polypropylene chomwe chimagwiritsidwa ntchito kwambiri chimakhala ndi index yosungunuka ya 400-1200g/10min ndi kugawa kwapang'onopang'ono kwa maselo kuti apange ulusi wa ultrafine wokhala ndi kachulukidwe wofunikira.

6. The tchipisi polypropylene ntchito kusungunula kuwomberedwa kupanga ndi processing ayenera kukhala mkulu ndi yunifolomu kusungunula index, yopapatiza maselo kulemera kugawa, zabwino Sungunulani kuwombeza processing makhalidwe, ndi yunifolomu ndi khola Chip khalidwe kuonetsetsa kukhazikika ndondomeko kusungunula kuwombedwa zida nonwoven.

Kusamala popanga nsalu yosungunuka

Popanga nsalu yosungunuka, mfundo zotsatirazi ziyenera kudziwika:

1. Kusankhidwa kwa zinthu kuyenera kukhala koyera mokwanira: Monga nsalu yosungunuka imayenera kukhala ndi zotsatira zosefera, m'pofunika kusankha zipangizo zoyera mokwanira posankha zipangizo. Ngati pali zonyansa zambiri, zidzakhudza kusefa kwa nsalu yosungunuka.

2. Kuwongolera kutentha kwa kutentha ndi kupanikizika: Kutentha kwa kutentha ndi kupanikizika kuyenera kukhazikitsidwa molingana ndi mtundu wa zipangizo zopangira kuti zitsimikizire kugwira ntchito kwa fiber kupanga.

3. Kuonetsetsa ukhondo pamalo opangira zinthu: Monga nsalu yosungunuka imagwiritsidwa ntchito popanga zida zodzitchinjiriza monga masks, ukhondo m'malo opangira ndiwofunikira kwambiri. Ndikofunikira kuwonetsetsa ukhondo wa msonkhano wopanga kuti apewe kuwononga zinthu.

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.