Leswi Cincaka: Ku tiya, Mahiselo, na Xiyimo xa SAP Gel
Ku tiya: Ku suka eka ku olova ku ya eka ku tiya (na le ndzhaku) .
Loko yi omile, core yiva yitsongo naswona yi olovile, yivumbiwa hi ti fluff pulp fibers na ti SAP particles leti pakiweke swinene swin’we. Loko mati ya nghena, ti particles ta SAP ti tswonga naku pfimba, ti andlala kuya eka volume ya tona yosungula minkarhi yotala. Ku pfimba loku ku sindzisa ti fibre ta fluff pulp ku hambana, leswi engetelaka ku enta hinkwako ka core. Kuya hiku layicha ka SAP, core yinga pfimba kusuka eka 2–3 mm yo oma kuya eka 8–12 mm loko yitele hiku hetiseka.
Kambe endzhaku ka loko diaper yi susiwile naswona ntshikelelo wu humesiwile, core ya vuyelela hi xiphemu. Ti fibre ta fluff pulp ti tirha tani hi skeleton yofana na xihlovo, leswi nyikaka ku tiyisela kokarhi. Hiku famba ka nkarhi — ngopfu ngopfu ehansi ka ntiko na ku famba famba ka loyi a ambaleke — gel leyi pfimbeke ya onhaka, naswona ku enta ka yona ku hunguteka hakatsongotsongo nakambe. Core leyi hlayisaka ku enta ka yona ehansi ka ntshikelelo yinyika nchavelelo wo antswa naswona yinga rhetela ngopfu.
Mahiselo: Kusuka eka Ambient kuya eka Warm
Hiku hatlisa endzhaku ka ku chulula, mati lawa yava eka mahiselo ya miri (kwalomu ka 37°C). Core yi kufumela hiku hatlisa loko mati ya tswongiwa. Hambiswiritano, exothermic reaction ya SAP leyi tswongaka mati yitlhela yi humesa kuhisa nyana. Hambi leswi ku kufumela loku hi ntolovelo ku nga vonakiki, eka switirhisiwa leswi tswongaka ngopfu leswi dyiwaka hi ku hatlisa, core yi nga ha twa yi kufumela hi ndlela leyi xiyekaka loko yi khumbiwa ku ringana timinete ti nga ri tingani. Loko core yi tlhela yi hola yi kongoma eka mahiselo ya le kusuhi, ku kufumela kwihi na kwihi loku saleke ehenhla ka yona ku twa ku titimela eka nhlonge, leswi hoxaka xandla eka ku nga tsaki.
Xiyimo xa SAP Gel: Ku suka eka Powder ku ya eka Gel
Ku cinca lokukulu swinene ku humelela eka xiyimo xa molekhuli. Dry SAP i granular powder leyingana xivumbeko xa nghilazi, xa crystalline. Loko yi hlangana na mati, yi hundza eka ku cinca ka xiphemu: ti polymer chains ta ntshunxeka naku pfuleka, ti khoma ti molecules ta mati endzeni ka network ya tona ya swiphemu swinharhu. Gel yi olova, yi rhetela naswona yi vonaka kahle. Loko gel yi olovile ngopfu (matimba yale hansi ya gel), yi onhaka hiku olova naswona yinga khuluka ehansi ka ntshikelelo, yi tsindziyela mati ya tlhelela ehenhla (rewet). Loko gel yiri rigid ngopfu (high cross-link density), yi lwisana na ku pfimba, leswi hungutaka total capacity.
⭐Leswi Nga Cinciki: Xivumbeko xa Core, Fibre Skeleton, na Zonal Distribution
Xivumbeko xa Nkoka
Hambi leswi ku pfimbaka, footprint hinkwayo ya core — ku leha na ku anama ka yona — aswi cinci ngopfu. Core yi khomiwile endzeni ka chassis ya diaper, naswona matlhelo ya pfaleriwile kumbe ku hlanganisiwa. Ku pfimba swihumelela ngopfu eka Z-direction (thickness), kungari eka XY plane. Leswi switiyisisa leswaku core yiya emahlweni yi nghena endzeni ka chassis ya diaper handle ko soholota ti leg cuffs kumbe waistband.
Xirhendzevutana xa Fibre
Ti fibre ta fluff pulp hi toxe ati n’oki kumbe ku nyamalala. Ti tshama ti ri network leyi seketelaka, hambi loko ti pfimbile. Skeleton leyi ya fibre yinyika vutshembeki bya michini, leswi sivelaka gel kuva yi cinca cinca naku hlangana. Yitlhela yitirha tani hi conduit yaku hangalasiwa ka mati, yi koka mati kusuka eka ndzhawu ya impact kuya eka makumu ya core. Loko marhambu lawa ya fibre yanga enelangi, swiphemuphemu swa gel swinga rhurha kumbe ku hlangana, leswi endlaka leswaku kuva na swirhumbana, diaper leyi nga nyawuriki.
Ku hangalasiwa ka Zoni
Ti diapers ta manguva lawa titala ku endliwa hi zoned SAP application — SAP yotala emahlweni (eka vafana) kumbe ku hangalasiwa hindlela leyi fanaka. Ku hambanyisa loku ku tshama ku ri kona eka xirhendzevutani hinkwaxo xa vutomi. SAP eka zone yale mahlweni yi pfimba ngopfu kutlula zone yale ndzhaku, kambe design ratio yitshama yirikarhi yi cinca cinca. Leswi swi endliwa hi dizayini: ti zones ti vekiwile ka ha ri emahlweni leswaku ti fambelana na xivumbeko lexi tolovelekeke xa ku rhuketela ka mati, ku tiyisisa leswaku core hinkwayo yi tirhisiwa hi ndlela leyinene.