Cov Khoom Siv Uas Tsis Yog Npuag Uas Muaj Elastic Spunlace
Kev piav qhia txog khoom
Changshu Yongdeli Spunlaced Nonwoven Fabrics Co., Ltd. tau koom nrog kev lag luam ntaub spunlace nonwoven tau ntau xyoo. Los ntawm kev siv cov kev nkag siab meej txog cov kev xav tau ntawm kev kho mob thiab nws cov peev xwm tsim kho tshiab, nws tau tsim cov khoom siv elastic spunlace nonwoven tshwj xeeb rau cov ntaub kho mob, tsom mus rau qhov xav tau tseem ceeb ntawm "kev nplaum, kev nplij siab, thiab kev ruaj khov". Cov khoom no yog ua los ntawm cov polyester fibers elastic ua cov khoom tseem ceeb, thiab los ntawm cov txheej txheem spunlace tshwj xeeb, nws muab cov khoom zoo heev rau qhov chaw ntawm cov ntaub. Nws kuj muaj cov yam ntxwv mos, zoo rau daim tawv nqaij, ua pa tau, thiab zoo rau ib puag ncig ntawm cov ntaub spunlace nonwoven, thiab tuaj yeem siv tau zoo rau ntau yam khoom siv xws li kua nplaum kub yaj, silicone gel, kua nplaum roj, thiab dej gel rau txheej. Nws dhau los ua cov khoom siv tseem ceeb rau cov ntaub kho mob xws li cov ntaub plaster, cov ntaub kho mob, cov ntaub kho mob txo qhov kub taub hau, thiab cov ntaub qhwv, muab cov khoom siv zoo rau kev kho mob thiab kev noj qab haus huv.
I. Txheej Txheem ntawm Elastic Spunlace Nonwoven Npuag
Lub hauv paus ntawm cov ntaub mos mos spunlace nonwoven yog nyob rau hauv kev ua tiav qhov kev sib koom ua ke ntawm "elasticity + spunlace qauv" los ntawm kev xaiv cov khoom siv raw thiab kev ua kom zoo dua. Changshu Yongdeli Spunlaced Nonwoven Fabrics Co., Ltd. ua kom muaj kev ywj pheej ruaj khov thiab kev ua tau zoo txhim khu kev qha los ntawm kev tswj hwm cov txheej txheem zoo. Cov txheej txheem tshwj xeeb yog raws li nram no:
Kev xaiv cov khoom siv raw thiab piv: Xaiv cov polyester fibers zoo. Cov polyester fibers siv cov hom hloov kho nrog cov nqi rov qab elastic siab (elastic recovery rate ≥ 90%), uas tuaj yeem rov qab sai tom qab ncab;
Qhib thiab sib tov: Siv cov khoom siv qhib thiab sib tov tshwj xeeb los faib cov polyester elastic fibers. Cov khoom siv no siv lub tshuab tsim uas tsis tshua muaj zog kom tsis txhob ua rau cov elastic fibers poob lawv qhov elasticity vim yog kev ncab ntau dhau; tom qab ntawd nws nkag mus rau hauv lub tshuab sib tov biaxial, qhov twg ntau pawg ntawm cov hniav sib tov ua tiav kev sib tov fiber sib xws kom ntseeg tau tias muaj kev faib tawm ntawm cov elastic fibers hauv cov ntaub mesh, zam kev tsis sib xws elasticity hauv qee qhov chaw, tso lub hauv paus rau kev tsim cov web thiab elastic shaping tom qab.
Kev sib txuas thiab kev tsim cov ntaub (kev tswj kev taw qhia elastic): Cov fibers elastic nkag mus rau hauv lub tshuab sib txuas fiber ntau uas muaj qhov tseeb siab. Lub tshuab sib txuas siv cov ntaub koob tshwj xeeb (ntaub koob uas tsis muaj kev puas tsuaj ntau) thiab cov menyuam hloov kho tau los cais cov fibers thaum tswj kev teeb tsa fiber (feem ntau yog qhov elasticity ntev, nrog rau qhov elasticity sab nraud ua ib qho ntxiv), phim cov kev xav tau elastic ntawm cov ntaub kho mob (xws li kev hloov kho ntev rau kev taw qhia ntawm ceg). Thaum lub sijhawm sib txuas, kev saib xyuas lub sijhawm tiag tiag ntawm qhov sib txawv ntawm qhov tuab (tswj tsis pub dhau ± 2%) ua kom ntseeg tau tias cov ntaub mesh sib xws, zam kev tuab tsis sib xws uas cuam tshuam rau cov txheej txheem tom ntej thiab cov teebmeem lo.
Kev txhawb nqa spunlace elastic (txheej txheem tseem ceeb): Qhov no yog kauj ruam tseem ceeb los muab cov khoom elasticity, siv cov txheej txheem "ntau qhov kev nce qib siab spunlace":
Thawj qhov kev sib txuas lus qis qis (siab 5-8 MPa): Pib kho cov qauv ntaub kom tiv thaiv kev hloov pauv ntawm cov fiber ntau dhau los ntawm kev sib txuas lus siab, tiv thaiv cov qauv elastic ntawm cov polyester fibers elastic;
Nruab nrab-siab directional spunlace (siab 10-12 MPa): Los ntawm lub taub hau inclined spunlace (ntawm lub kaum sab xis ntawm 30 ° -45 ° rau lub mesh ntaub) kom tsuag rau hauv ib txoj kev taw qhia, ua rau cov elastic fibers tsim ib qho "tangle - elastic reserve" qauv raws li qhov kev taw qhia preset (longitudinal), muab qhov chaw rau ncab thiab rebound;
Kev siv lub tshuab ua kom lub zog siab (siab 13-15 MPa): Siv lub taub hau spunlace siab kom txhawb nqa cov ntaub mesh, kom ntseeg tau tias cov fibers elastic sib txuas nrog lwm cov fibers, thaum tswj hwm qhov siab kom tsis txhob muaj cov fibers raug tsoo, thaum kawg tsim cov qauv ruaj khov ntawm "elastic fibers ua lub moj khaum, spunlace entanglement ua kev txhawb nqa", nrog rau qhov ntev ntev txog li 15% -30% thiab qhov ntev ntev txog li 8% -15%, ua tau raws li qhov yuav tsum tau ua ntawm cov ntaub kho mob rau kev nplaum ntawm ceg.
Kev ziab thiab ua kom zoo nkauj thaum kub tsawg: Cov ntaub mos mos uas tsis yog ntaub mos mos tom qab siv spunlace reinforcement nkag mus rau hauv lub tshuab nqus tsev kom qhuav (qhov ziab ntawm 70% -80%), tom qab ntawd nkag mus rau hauv lub tshuab ziab cua kub uas kub tsawg (kub 70-90 ° C), nrog qhov kub qis dua li cov ntaub mos mos uas tsis yog ntaub mos mos uas ziab qhov kub (100-120 ° C), uas tuaj yeem tiv thaiv cov polyester fiber mos mos kom poob qhov elasticity vim qhov kub siab. Thaum lub sijhawm ziab, kev ua kom zoo nkauj yog ua tiav tib lub sijhawm. Kev nruj ntawm qhov chaw ntawm cov ntaub yog tswj los ntawm cov menyuam tswj qhov kub kom ntseeg tau tias cov khoom tswj tau qhov kev ua tau zoo ntawm elastic tom qab ziab, nrog rau cov dej noo tswj tau hauv 5%.
Kev kho ua ntej ntawm qhov chaw (txheej txheej sib phim): Rau cov kev xav tau txheej tom ntej, cov khoom qhuav raug rau kev kho ua ntej ntawm qhov chaw: siv cov thev naus laus zis kho qhov chaw plasma los txhim kho lub zog ntawm qhov chaw (qhov nro ntawm qhov chaw ≥ 38 mN / m), txhim kho qhov kev nplaum rau cov nplaum kub yaj, silicone gels, thiab lwm yam txheej txheej, thiab zam kev "degluing" teeb meem; tib lub sijhawm, kev kho kom du yog nqa tawm, los ntawm kev nias maj mam ntawm qhov chaw ntaub nrog cov menyuam mos siab, kom ntseeg tau tias qhov tiaj tus ntawm qhov chaw ntaub (qhov sib txawv ntawm qhov tiaj tus ≤ 0.1 hli / m), muab lub hauv paus rau kev txheej sib xws.
Kev txiav thiab kev tshuaj xyuas zoo: Raws li qhov xav tau ntawm cov neeg siv khoom siv cov khoom siv kho mob (qhov dav dav 0.5 - 2 m), cov khoom raug txiav los ntawm cov tshuab txiav siab. Cov txheej txheem txiav siv kev tswj hwm nruj kaw-lub voj voog kom tsis txhob muaj kev hloov pauv elastic ntawm cov khoom vim yog ncab; hauv cov txheej txheem tshuaj xyuas zoo, ntxiv rau kev kuaj xyuas qhov tsos thiab lub zog, "kev sim ua haujlwm elastic" (kev sim tus nqi elongation thiab tus nqi rov qab elastic nrog lub tshuab kuaj tensile) thiab "kev sim sib xws txheej" (kev sim txheej tom qab sim qhov nplaum ntawm cov txheej nplaum) raug ntxiv kom ntseeg tau tias txhua pawg ntawm cov khoom ua tau raws li cov qauv ntawm cov khoom siv kho mob nplaum.
II. Cov hom txheej sib xws thiab cov txiaj ntsig
Cov ntaub mos mos uas tsis yog woven uas siv tau rau plaub hom txheej uas siv ntau rau cov nplaum kho mob. Los ntawm cov khoom siv raw thiab cov txheej txheem ua kom zoo, nws ua tiav kev sib raug zoo, daws cov teeb meem xws li "txheej tsis sib npaug, kev tawg, thiab kev cuam tshuam rau kev ua haujlwm ntawm cov tshuaj" ntawm cov khoom siv ib txwm muaj. Cov txiaj ntsig tshwj xeeb ntawm kev sib raug zoo yog raws li nram no:
Sib xws nrog cov txheej nplaum kub yaj: Cov nplaum kub yaj (xws li EVA hom, SBS hom) feem ntau siv rau cov ntawv nplaum thiab cov ntawv nplaum kom txo qhov mob. Tom qab kev kho ua ntej ntawm qhov chaw, qhov nro ntawm qhov chaw tau txhim kho, thiab cov txheej nplaum kub yaj tuaj yeem nthuav dav sib npaug, nrog rau qhov sib txawv ntawm cov txheej nplaum ≤ 5%; tib lub sijhawm, cov qauv elastic ntawm cov ntaub nto phim qhov yooj ywm ntawm cov nplaum kub yaj, thiab cov txheej nplaum yuav tsis tawg thaum ncab, kom ntseeg tau tias cov txheej nplaum tseem nyob ruaj khov thaum lub sijhawm txav ceg, zam kev poob tshuaj.
Sib xws nrog silicone gel txheej: Silicone gel muaj qhov tsis tshua muaj kev ua xua thiab kev nplaum siab, feem ntau siv rau hauv cov ntawv kho mob kub taub hau thiab cov ntawv kho mob tshwj xeeb rau cov tawv nqaij rhiab heev. Cov polyester fibers elastic ntawm cov khoom muaj kev sib raug zoo zoo nrog silicone gel, tsis muaj kev sib cuam tshuam tshuaj lom neeg; cov qauv spunlace zoo ntawm cov ntaub ua rau silicone gel nkag mus rau hauv cov qhov sib txawv ntawm cov fiber, tsim cov qauv "gel - ntaub" sib xyaw ua ke, nrog kev txhim kho kev nplaum ntau dua 25% piv rau cov ntaub spunlace tsis-woven, zam "ntug nqa thiab delamination" ntawm daim ntawv kho mob thaum siv.
Sib xws nrog cov roj nplaum txheej: Cov roj nplaum (xws li cov roj nplaum hom roj) muaj viscosity siab thiab tiv taus kev laus, tsim nyog rau kev siv ntev ntev ntawm cov plaster patches. Cov qauv elastic ntawm cov khoom tuaj yeem tiv thaiv kev ntxhov siab sab hauv ntawm cov roj nplaum thaum lub sijhawm ncab, txo "kev qaug zog tawg" ntawm cov txheej nplaum los ntawm kev txav ceg; tib lub sijhawm, cov qauv ua pa ntawm cov ntaub tsis cuam tshuam los ntawm cov roj nplaum txheej, tseem tswj tau qhov ua pa zoo (ua pa tau ≥ 300 L / m² · s), zam kev tsis xis nyob ntawm daim tawv nqaij los ntawm cua sov thaum siv.
Sib xws nrog cov txheej hydrogel: Hydrogel muaj qhov hygroscopicity thiab txias siab, yog hom nplaum tseem ceeb ntawm cov ntawv nplaum kub taub hau thiab cov ntaub qhwv. Cov xov nplaum sib phim nrog cov khoom tuaj yeem txhim kho cov ntaub lub peev xwm los tuav hydrogel, zam kev poob ntawm hydrogel vim lub ntiajteb txawj nqus; qhov elasticity ntawm cov ntaub tuaj yeem hloov kho raws li qib o ntawm hydrogel, muab qhov kev xav tsis nruj thaum lo rau ntawm daim tawv nqaij, thiab cov dej noo hauv hydrogel yuav tsis cuam tshuam rau kev ua haujlwm rov qab elastic ntawm cov khoom, ua kom ntseeg tau tias qhov ruaj khov ntawm daim ntawv nplaum lub elasticity thaum lub sijhawm siv (feem ntau 8 - 12 teev).
III. Cov txiaj ntsig tseem ceeb ntawm cov ntaub mos mos uas tsis yog woven
Kev ywj pheej zoo heev thiab kev nplaum: Qhov ntev ntawm cov khoom yog 15% - 30%, qhov ntev ntawm sab yog 8% - 15%, thiab qhov rov qab elastic yog ≥ 90%. Nws tuaj yeem lo rau cov pob qij txha tib neeg (xws li pob qij txha hauv caug, pob qij txha lub luj tshib), caj dab, thiab duav thiab lwm yam khoom txav tau, ncab thiab rov qab los sib dhos ua ke nrog kev txav ntawm ceg, zam cov teeb meem xws li "wrinkling, poob tawm, thiab rub tawv nqaij" ntawm cov khoom siv tsis yog elastic, thiab txhim kho kev nplij siab thiab kev ruaj khov ntawm cov khoom siv nplaum kho mob. Kev hloov pauv siab thiab kev ua haujlwm ntev: Los ntawm kev kho ua ntej thiab kev ua kom zoo dua ntawm cov khoom siv raw, nws tuaj yeem hloov kho zoo rau plaub lub txheej txheej tseem ceeb xws li cov nplaum kub yaj, silicone gel, cov nplaum roj, thiab cov gel dej. Lub zog nplaum ntawm cov txheej nplaum yog ≥ 5N / 2.5cm (sim raws li GB / T 2792-2014), thiab tsis muaj kev pheej hmoo ntawm kev tawg thaum siv; tib lub sijhawm, qhov hnav tsis kam (Martin-Dale abrasion ≥ 500 zaug yam tsis muaj kev puas tsuaj) thiab kev laus tsis kam (kub ntau -20 ℃ - 60 ℃, ua tau raws li qhov yuav tsum tau ua ntawm ib puag ncig kho mob) ntawm cov polyester fibers elastic ua kom muaj kev ruaj khov ntawm daim nplaum thaum lub sijhawm khaws cia thiab siv.
Zoo rau daim tawv nqaij, ua pa tau thiab zoo rau ib puag ncig: Cov xov polyester elastic muaj cov qauv mos mos, thiab tsis muaj kev khaus thaum kov daim tawv nqaij, ua rau lawv haum rau cov pab pawg tawv nqaij rhiab heev; cov qauv spunlace khaws cov qhov hws sib xws, nrog rau qhov cua ntawm ≥ 300L / m² ・ s, uas tuaj yeem txhawb kev ua pa ntawm daim tawv nqaij ib txwm thiab txo qhov kev xav ntawm cua sov thiab kev pheej hmoo ntawm kev ua xua thaum siv daim nplaum; cov txheej txheem tsim khoom tsis ntxiv cov nplaum tshuaj, tsuas yog los ntawm kev txhawb nqa lub cev spunlace, thiab cov khoom ua raws li GB 18401-2010 "National Textile Product Basic Safety Technical Specifications" thiab YY / T 0334-2022 "Medical Deaerated Cotton", tsis muaj formaldehyde lossis cov hlau hnyav, thiab muaj kev nyab xeeb rau cov xwm txheej kho mob.
Kev txheej txheej sib xws thiab kev ua tiav yooj yim: Qhov chaw tiaj tiaj siab (qhov sib txawv ntawm qhov tiaj tiaj ≤ 0.1 hli / m), thiab qhov tuab sib xws (qhov sib txawv ntawm qhov tuab ± 2%). Thaum lub sijhawm txheej txheej, cov txheej nplaum tuaj yeem npog sib npaug, tsis muaj teeb meem ntawm cov txheej nplaum ntau dhau lossis tsis txaus hauv qee qhov chaw; tib lub sijhawm, cov khoom muaj kev ua tau zoo txiav, thiab thaum lub sijhawm txiav, tsis muaj cov ntug fiber shedding, thiab tuaj yeem txiav raws li qhov ntau thiab tsawg ntawm cov nplaum kho mob (xws li lub voj voog, lub duab plaub fab, thiab cov duab tsis sib xws), muab kev yooj yim rau cov neeg siv khoom ua tiav.
Ⅳ. Qhov hnyav ntawm cov ntaub mos mos uas tsis yog woven
Cov ntaub mos mos uas tsim los ntawm Changshu Yongdeli Spunlaced Non-Woven Fabric Co., Ltd., nrog rau kev tsom mus rau qhov xav tau ntawm cov khoom siv kho mob nplaum, npog qhov hnyav ntawm 70g / ㎡ - 120g / ㎡, uas tuaj yeem hloov kho tau raws li hom nplaum nplaum (xws li cov khoom siv txias txias, cov khoom siv plaster tuab); cov yam ntxwv thiab cov xwm txheej siv tau ntawm txhua qhov hnyav yog raws li nram no:
Ⅴ. Cov xwm txheej tseem ceeb ntawm kev siv - Cov ntawv nplaum kho mob hauv kev kho mob
Raws li cov khoom siv rau cov nplaum kho mob, cov ntaub mos mos uas tsis yog ntaub woven, nrog rau qhov zoo ntawm "kev nplaum elastic, kev hloov pauv mus rau ntau hom nplaum, thiab kev nyab xeeb rau daim tawv nqaij", tau siv dav hauv cov xwm txheej kho mob hauv qab no:
Cov khoom siv plaster patch: Haum rau cov tshuaj suav tshuaj tsoos suav, qhov elasticity ntawm cov khoom tuaj yeem haum rau cov nkhaus ntawm lub duav, xub pwg nyom, thiab lwm yam, zam kev wrinkling ntawm plaster patch vim yog kev txav ntawm ceg, uas tiv thaiv kev tsis muaj peev xwm ntawm cov tshuaj nkag mus; sib xws nrog cov nplaum kub yaj lossis cov roj-raws li nplaum txheej, nrog lub zog nplaum muaj zog, xyuas kom meej tias plaster patch tsis poob tawm hauv 8-12-teev siv, thiab cov qauv ua pa tuaj yeem txo qhov kub ntawm daim tawv nqaij los ntawm cov khoom xyaw tshuaj thiab txo qhov kev pheej hmoo ntawm kev ua xua.
Cov khoom siv rau kev kho mob daim ntawv nplaum: Rau cov ntawv nplaum rau kev mob nqaij thiab mob pob qij txha, qhov elasticity ntawm cov khoom tuaj yeem ncab sib xws nrog kev txav ntawm ceg, tsis muaj kev xav rub ntawm qhov chaw mob; sib xws nrog silicone gel txheej (tsis tshua muaj kev ua xua), haum rau cov neeg mob mob ntev, thiab qhov mos ntawm cov ntaub nto tuaj yeem txo qhov khaus rau daim tawv nqaij ntawm qhov chaw mob, txhim kho kev siv xis nyob.
Cov khoom siv hauv paus rau daim ntaub txias: Raws li cov khoom siv tseem ceeb rau cov menyuam yaus thiab cov neeg laus daim ntaub txias, cov khoom tsis hnyav (35-45g / ㎡) yog lub teeb thiab ua pa tau, sib xws nrog cov txheej gel dej, uas tuaj yeem hloov pauv qhov kev xav txias sai sai, txo qhov kub ntawm lub cev; cov qauv elastic tuaj yeem haum rau lub hauv pliaj, caj dab, thiab lwm yam, thiab txawm tias thaum cov menyuam yaus ua si, nws tsis yooj yim poob tawm, thaum cov khoom siv zoo rau daim tawv nqaij zam kev ua xua rau daim tawv nqaij ntawm cov menyuam yaus.
Cov khoom siv hauv daim kab xev Barb: Vim muaj ntau cov tshuaj uas yaj tau hauv dej hauv daim kab xev Barb, qhov yuav tsum tau nqus thiab lub zog ntawm cov khoom siv hauv paus yog siab, cov khoom hnyav (66-80g / ㎡) tuaj yeem dais cov dej-raws li gel thiab cov tshuaj, tiv thaiv kev poob ntawm cov khoom; cov qauv elastic tuaj yeem hloov kho rau cov pob qij txha thiab lwm qhov chaw txav tau, tsis muaj kev xav nruj thaum lub sijhawm lo, thiab kev ua pa ua kom ntseeg tau tias cov tshuaj nkag mus rau hauv ib txwm muaj, txhim kho kev ua haujlwm ntawm kev nqus tshuaj.
Ⅵ. Cov kev pabcuam ntawm lub tuam txhab thiab kev lees paub zoo Changshu Yongdeli Spunlaced Nonwoven Fabrics Co., Ltd. tau tsim kom muaj kev tswj xyuas zoo rau cov khoom siv elastic nonwoven: ntawm qhov kawg ntawm cov khoom siv raw, nws koom tes nrog cov neeg muag khoom polyester fiber zoo, thiab ua qhov rov qab elasticity thiab kev kuaj purity rau txhua pawg ntawm cov khoom siv raw; ntawm qhov kawg ntawm kev tsim khoom, nws tau nruab nrog cov khoom siv online elasticity nrhiav kom pom qhov ncab tus nqi thiab kev rov qab ua haujlwm ntawm cov khoom hauv lub sijhawm tiag tiag; ntawm qhov kawg ntawm cov khoom tiav, nws dhau los ntawm kev kho mob aseptic raws li cov qauv kho mob (muab EO sterilization lossis gamma-ray sterilization kev pabcuam), thiab raug sim los ntawm cov koom haum thib peb (xws li SGS, CNAS daim ntawv pov thawj) kom ntseeg tau tias cov khoom ua tau raws li qhov yuav tsum tau siv hauv kev kho mob.
Tib lub sijhawm, lub tuam txhab tuaj yeem muab cov kev pabcuam raws li cov neeg siv khoom xav tau: nws tuaj yeem kho qhov sib piv ntawm cov fiber kom ua tiav ntau qib elasticity (xws li hom elasticity siab, hom elasticity qis), tuaj yeem kho qhov dav ntawm cov ntaub (0.5 - 2m) thiab qhov ntev ntawm lub yob, thiab tseem tuaj yeem muab cov kev pabcuam kuaj ua ntej txheej los pab cov neeg siv khoom hauv kev ua kom zoo dua cov mis txheej nplaum thiab cov txheej txheem txheej, ua tiav qhov haum zoo meej ntawm "khoom siv - nplaum".
Changshu Yongdeli Spunlaced Nonwoven Fabrics Co., Ltd. yeej ib txwm "taw qhia rau qhov xav tau ntawm thaj chaw kho mob", txuas ntxiv txhim kho qhov kev ua tau zoo ntawm elasticity thiab kev hloov pauv ntawm cov ntaub elastic nonwoven. Yav tom ntej, nws yuav tsim ntxiv "antibacterial elastic nonwoven fabrics" thiab "ultra-thin high elasticity nonwoven fabrics", nthuav nws daim ntawv thov hauv cov ntaub kho mob siab, cov ntaub kho qhov txhab, thiab lwm yam, thiab muab cov khoom siv zoo thiab kev tshaj lij rau kev lag luam kho mob, ua haujlwm ua ke nrog cov neeg siv khoom los tiv thaiv kev noj qab haus huv.
