Indwangu engalukiwe ye-Polypropylene (PP) isetshenziswa kabanzi ngenxa yokusebenza kwayo okuhle kakhulu, izindlela ezilula zokucubungula, kanye nenani eliphansi. Ikakhulukazi eminyakeni yamuva nje, ibisetshenziswa kabanzi emikhakheni efana nokunakekelwa kwezempilo, okokugqoka, izinto zokupakisha, izinto zokusula, izinto zokumboza zezolimo, ama-geotextiles, izinto zokuhlunga zezimboni, njll., futhi inomkhuba wokushintsha izinto zayo zendabuko.
Ngenxa yesakhiwo esingeyona i-polar ye-PP, empeleni engenawo amaqembu e-hydrophilic, indwangu engalukiwe ye-PP ayinakho ukusebenza kokumuncwa kwamanzi. Ukuguqulwa kwe-Hydrophilic noma ukuqedwa kuyadingeka ukwenza izindwangu ezingalukiwe ze-hydrophilic PP.
I. Indlela yokulungisa izindwangu ezingezona ezilukiwe ze-hydrophilic
Ukuze kuthuthukiswe i-hydrophilicity yezindwangu ezingalukiwe ze-PP, ngokuvamile kunezindlela ezimbili zokuthuthukisa ukumanzisa kwazo ebusweni: ukuguqulwa komzimba nokuguqulwa kwamakhemikhali.
Ukuguqulwa kwamakhemikhali ngokuyinhloko kushintsha ukwakheka kwamangqamuzana e-PP futhi kwengeze amaqembu e-hydrophilic kumaketanga e-macromolecular, ngaleyo ndlela kuguqule i-hygroscopicity yayo. Kunezindlela eziyinhloko ezifana ne-copolymerization, i-grafting, i-cross-linking, ne-chlorination.
Ukuguqulwa komzimba ngokuyinhloko kushintsha ukwakheka okuphezulu kwama-molecule ukuze kuthuthukiswe i-hydrophilicity, ikakhulukazi ngokuguqulwa kokuxutshwa (ngaphambi kokuphotha) nokuguqulwa kwendawo (ngemuva kokuphotha).
II. Ukuguqulwa okuxubile (ukuphotha ukuguqulwa kwangaphambili)
Ngokwezikhathi ezihlukene zokwengeza zezithasiselo eziguquliwe, zingahlukaniswa ngendlela ye-masterbatch, indlela egcwele ye-granulation, kanye nendlela yomjovo we-ejenti yokuhlanganisa.
(1) Indlela evamile ye-masterbatch yombala
Lena indlela ebalulekile yokukhiqiza izindwangu ezingezona ezilukiwe ze-hydrophilic ngabakhiqizi bendwangu abangalukiwe.
Okokuqala, izithasiselo ezijwayelekile ze-hydrophilic zenziwa izinhlayiya ze-jellyfish ngabakhiqizi bezinkuni, bese zihlanganiswa ne-PP ukuphotha ukwenza indwangu.
Izinzuzo: Ukukhiqizwa okulula, asikho isidingo sokwengeza noma iyiphi imishini, efanelekile ukukhiqizwa kwenqwaba yezinkomo, ngaphezu kokuqina kwayo okuqinile kwe-hydrophilic.
Ukungalungi: I-hydrophilicity ehamba kancane kanye nokusebenza kabi kokucubungula, okuvame ukusetshenziswa ezindwangu zokuphotha. Izindleko eziphezulu, izikhathi ezi-2 kuya kwezi-3 ngaphezu kokulungiswa kwendawo.
I-spinnability embi idinga ukulungiswa kwenqubo. Amanye amakhasimende amoshe amathani angu-5 endwangu evela ezimbonini ezimbili ze-masterbatch ezinemibala ngaphandle kokukhiqiza imikhiqizo ephelile.
(2) Indlela ye-granulation ephelele
Xuba isilungisi, izingcezu ze-PP, nezithasiselo ngokulinganayo, zicwebeze ngaphansi kwesikulufu ukuze ukhiqize izinhlayiya ze-hydrophilic PP, bese uzincibilikisa bese uziphotha zibe yindwangu.
Izinzuzo: Ukucutshungulwa okuhle, umphumela ohlala isikhathi eside, nendwangu engasetshenziswa kabusha.
Ukungalungi: Imishini eyengeziwe yokukhipha isikulufu iyadingeka, okuholela ezindlekweni eziphezulu ngethani ngalinye kanye ne-hydrophilicity ehamba kancane, okuyenza ifanelekele kuphela ukukhiqizwa kwezinga elikhulu.
(3) Umjovo we-Fangqian
Faka ngokuqondile ama-hydrophilic reagents, okungukuthi ama-polymers a-hydrophilic, kusikulufu esikhulu sezindwangu ezingalukiwe futhi uzihlanganise ne-PP melt ukuze ziphothwe ngokuqondile.
Izinzuzo: Umphumela uhlala isikhathi eside futhi indwangu ingasetshenziswa kabusha.
Ukungalungi: Ngenxa yokungakwazi ukuhlanganisa ngokulinganayo, ukuphotha ngokuvamile kunzima futhi akunakho ukuhamba.
III. Ukuqedwa kwe-hydrophilic ebusweni (ngemuva kokwelashwa kokuphotha)
I-Hydrophilic finishing iyindlela elula, ephumelelayo, futhi engabizi kakhulu yokukhiqiza izindwangu ezingezona ezilukiwe ze-hydrophilic. Iningi labakhiqizi bethu bezindwangu ezingalukiwe ikakhulukazi basebenzisa le ndlela. Inqubo eyinhloko imi kanje:
Indwangu eku-inthanethi ye-spunbond egoqwe eshisayo engalukiwe - i-roller coating noma i-ejenti yokufafaza ngamanzi - i-infrared noma umoya oshisayo
Izinzuzo: Azikho izinkinga ze-spinnability, umphumela we-hydrophilic osheshayo wendwangu engalukiwe, ukusebenza kahle okuphezulu, intengo ephansi, kungu-1/2-1/3 wezindleko ze-masterbatch yombala ojwayelekile. Ifanele ukukhiqizwa okukhulu;
Ububi: Kudinga ukuthengwa kwemishini ehlukene yangemuva kokucubungula, ebizayo. Ngemuva kokugeza izikhathi ezintathu, isikhathi sokungena kwamanzi sikhuphuka cishe izikhathi ezingu-15. Ayikwazi ukuhlangabezana nezidingo zokuphinda zisetshenziswe;
Ukukhiqizwa ngobuningi;
Izinzuzo nezinkinga zale ndlela zinquma ukuthi isetshenziselwa ikakhulukazi imikhiqizo elahlayo edinga ukungena okuphezulu kanye ne-hydrophilicity, njengezinto zokuhlanzeka, ama-diapers, ama-napkins we-sanitary, njll.
Ⅳ.Ukusebenzisa Indlela ye-Complex Hydrophilic Particle PPS03
Uma kucatshangelwa izinzuzo kanye nokubi kwezindlela (-) kanye (ii), kwasungulwa izinhlayiya eziyinhlanganisela ye-hydrophilic hydrophilic PPS030.
Lolu hlobo lwezinhlayiya ze-jellyfish lunezici zokulinganisa okuphakathi (okufana nezinhlayiya ze-jellyfish ezijwayelekile), umphumela osheshayo, umphumela osakazeka ngokushesha, umphumela omuhle, umphumela ohlala njalo, ukumelana okuhle kokugeza, kodwa izindleko eziphakeme kancane (ezifana nezinhlayiya ze-jellyfish ezivamile).
I-spinnability enhle, asikho isidingo sokulungisa inqubo yokukhiqiza.
Ifanele ukukhiqizwa kwenqwaba encane nokumelana nokuwashwa okuphezulu, imikhiqizo engasetshenziswa kabusha njengamahlathi nezindwangu zezolimo.
Izinkomba eziyinhloko zokuhlola zendwangu engalukiwe ye-hydrophilic PP zifaka ukumuncwa kwamanzi, i-contact angle, kanye nomphumela we-capillary.
(1) Izinga lokumuncwa kwamanzi: libhekisela enanini lamanzi elimuncwa ngeyunithi ngayinye yesisindo sendwangu engalukiwe ye-hydrophilic phakathi nesikhathi esijwayelekile noma isikhathi esidingekayo ukumanzisa ngokuphelele okokusebenza. Lapho ukumuncwa kwamanzi kukhulu, umphumela uba ngcono.
(2) Indlela ye-engeli yokuxhumana: Beka indwangu engalukiwe ye-hydrophilic PP epuleti lengilazi elihlanzekile nelibushelelezi, uyibeke phansi kuhhavini, bese uyiyeka inyibilike. Ngemva kokuncibilika, susa ipuleti lengilazi bese ulipholisa ngokwemvelo ekamelweni lokushisa. Linganisa i-engeli yokuxhumana yokulinganisa usebenzisa izindlela zokuhlola eziqondile. I-engeli yokuxhumana encane, iba ngcono. (Indwangu engalukiwe ye-PP ngaphandle kokwelashwa kwe-hydrophilic ngemva kokufinyelela cishe ku-148 ° C).
Isikhathi sokuthumela: Dec-04-2023