Cov Khoom Siv Fluorescent Whitening Spunlace Nonwoven Fabric

I. Lub Hauv Paus Khoom: Cov Khoom Siv Zoo Sib Txawv, Ua Tau Raws Li Qhov Yuav Tsum Tau Ua Rau Dawb Huv

Qhov ua kom dawb thiab kev paub ntawm cov neeg siv ntawm fluorescent whitening spunlace nonwoven fabric pib nrog kev xaiv meej thiab kev sib piv ntawm cov khoom siv raw rau cov ntaub ntawv spunlace. Peb lub tuam txhab ua tib zoo xaiv ntau yam fibers zoo xws li polyester, viscose, paj rwb ntshiab, thiab xyoob fiber, thiab ua ke cov kev xav tau rau cov khoom siv dawb, tawv nqaij-phooj ywg, thiab ntxuav tau hauv ntau qhov xwm txheej los tsim cov ntaub ntawv spunlace uas sib npaug kev ua tau zoo thiab kev sib raug zoo ntawm cov tshuaj dawb, muab cov khoom siv ruaj khov rau kev sib txuas thiab cov nyhuv ntev ntawm cov neeg sawv cev fluorescent whitening:

Polyester Fiber: Muab cov khoom siv hauv paus nrog lub zog tensile zoo heev, tiv taus kua muag, thiab ntxuav tau, kom ntseeg tau tias cov khoom siv hauv paus tsis deform lossis tawg tom qab ua kom dawb thiab ntxuav dua (xws li hauv cov ntaub hauv tsev); tib lub sijhawm, cov polyester fibers muaj kev ruaj khov adsorption rau cov neeg sawv cev dawb fluorescent, txo qhov poob ntawm cov neeg sawv cev thaum siv thiab xyuas kom meej tias cov nyhuv dawb tsis ploj mus raws sijhawm, haum rau cov xwm txheej nrog kev ua haujlwm ntev thiab kev ntxuav tau xws li hauv tsev thiab ntim khoom;

Viscose Fiber: Muaj kev nqus dej zoo heev thiab cov qauv fiber porous, uas tuaj yeem nqus cov tshuaj dawb fluorescent sai thiab sib npaug, ua kom ntseeg tau tias muaj cov nyhuv dawb tsis muaj ces kaum tuag; tib lub sijhawm, nws qhov kov mos mos thiab zoo rau daim tawv nqaij ua rau cov khoom xis nyob dua hauv cov khoom siv tu cev thiab cov xwm txheej kho mob ntawm daim tawv nqaij, zam kev xav ntawm daim tawv nqaij los ntawm kev ua kom dawb, tsim nyog rau kev siv ze;

Paj Rwb Ntshiab: Ntuj, zoo rau ib puag ncig, thiab sib haum xeeb nrog cov tsiaj txhu, tsis muaj kev khaus lossis tsw, thiab lub hauv paus dawb zoo, uas tuaj yeem nthuav tawm cov qauv "dawb ci" ntuj tom qab ua kom dawb fluorescent es tsis yog "dawb daj ntseg" hnyav; tom qab ua ke nrog cov txheej txheem dawb, nws dhau los ua cov khoom siv tseem ceeb rau cov xwm txheej uas muaj cov kev cai nruj rau kev nyab xeeb thiab kev pom zoo xws li cov khoom siv tu cev rau menyuam yaus thiab cov khoom siv kho mob siab;

Xyoob Fiber: Muaj kev ua pa zoo thiab yog qhov tsis zoo rau ib puag ncig, nrog cov qauv ntuj ntawm qhov chaw fiber uas txhim kho lub zog khi nrog cov neeg sawv cev fluorescent whitening, tiv thaiv cov neeg sawv cev poob; tib lub sijhawm, cov khoom siv tua kab mob ntuj ntawm xyoob fiber ua ke nrog cov nyhuv dawb tsim "kev ua haujlwm + qib tsos" ob qhov zoo, haum rau cov xwm txheej xws li kev kho kom zoo nkauj hauv tsev thiab cov khoom siv tu cev ib puag ncig uas ua raws li ob qho tib si ntuj thiab zoo.

Peb hloov kho qhov sib piv ntawm cov khoom siv raw raws li cov neeg siv khoom xav tau - piv txwv li, hauv cov xwm txheej ntxuav tau xws li cov ntaub hauv tsev, qhov sib piv ntawm polyester tuaj yeem nce ntxiv (xws li 60% polyester + 40% viscose), thaum rau cov khoom siv tu cev rau menyuam yaus thiab cov ntaub ntawv kho mob, viscose / paj rwb ntshiab / xyoob fiber feem ntau yog siv. Txhua pawg ntawm cov ntaub ntawv hauv paus raug kuaj ntau qhov ntev suav nrog qhov hnyav (kho tau los ntawm 20 txog 180g / ㎡), qhov dawb thawj (≥80 degrees), lub zog, thiab kev ua pa, nrog rau qhov yuam kev tswj hwm hauv qhov ntau me me kom ntseeg tau tias cov khoom siv hauv paus ruaj khov thiab tso lub hauv paus ruaj khov rau kev siv cov txheej txheem tom qab kho kom dawb fluorescent.

II. Cov Txuj Ci Tseem Ceeb: "Spunlace Base Material + Immersion thiab Impregnation Fluorescent Whitening", Ua tiav Uniform thiab Long-Lasting Whitening

Lub thev naus laus zis tseem ceeb ntawm peb cov ntaub fluorescent whitening spunlace nonwoven yog nyob rau hauv kev sib xyaw ua ke ntawm "spunlace base material + immersion thiab impregnation fluorescent whitening process", uas ua tiav kev dawb huv sib xws thiab ntev. Los ntawm kev tswj hwm qhov tseeb ntawm cov txheej txheem immersion thiab impregnation, tus neeg sawv cev fluorescent whitening tau faib sib npaug thoob plaws hauv cov ntaub ntawv hauv paus, ua kom muaj kev dawb huv sib xws thiab ntev yam tsis cuam tshuam rau qhov yooj ywm thiab ua pa ntawm cov ntaub ntawv hauv paus. Cov thev naus laus zis no tsis tsuas yog txhim kho qhov zoo ntawm cov khoom xwb tab sis kuj ua kom nws muaj kev nyab xeeb thiab ruaj khov, muab cov neeg siv khoom nrog cov tshuaj dawb huv zoo uas ua tau raws li lawv cov kev xav tau tshwj xeeb. Peb lub tuam txhab cov ntaub fluorescent brightening spunlaced non-woven ua raws li cov txheej txheem ib kauj ruam zuj zus ntawm "ua ntej ua cov ntaub ntawv hauv paus spunlaced, tom qab ntawd ua cov tshuaj fluorescent brightening finishing". Raws li cov yam ntxwv ntawm cov ntaub ntawv hauv paus sib txawv thiab cov kev xav tau brightening, peb siv txoj kev immersion thiab nias ua txoj kev ua haujlwm tseem ceeb, kho thiab ua kom zoo dua qhov kev npaj kho tiav, thiab ua tiav qhov kev lees paub peb zaug ntawm "cov ntaub ntawv hauv paus ruaj khov + uniform brightening + long-lasting effect" los ntawm kev tswj hwm zoo, ua kom cov khoom muaj kev ua tau zoo ci ntsa iab zoo heev thiab muaj kev nyab xeeb:

(1) Kev kho ua ntej ntawm cov khoom siv spunlace: Txhim kho qhov adsorption ntawm cov neeg sawv cev ci ntsa iab

Ua ntej kev kho kom ci ntsa iab fluorescent, peb ua qhov kev kho ua ntej rau ntawm cov khoom siv spunlace los tsim cov xwm txheej rau kev nqus dej sib xws thiab cov nyhuv ntev ntawm cov neeg sawv cev ci ntsa iab:

Rau cov ntaub ntawv tseem ceeb uas muaj cov dej noo zoo li viscose, paj rwb ntshiab, thiab xyoob fiber, peb siv qhov kub qis kom qhuav (kub 60-70 ℃) kom tshem tawm cov dej noo ntau dhau ntawm qhov chaw, zam kev cuam tshuam ntawm cov dej noo rau qhov ruaj khov ntawm cov neeg sawv cev ci ntsa iab, thiab tib lub sijhawm tshem tawm cov khoom tsis huv me me ntawm qhov chaw ntawm cov ntaub ntawv tseem ceeb (xws li cov fiber fuzz) kom ntseeg tau tias tsis muaj "cov pob" hauv cov nyhuv ci ntsa iab;

Rau cov ntaub ntawv ua los ntawm cov fiber xws li polyester, peb siv cov tshuaj alkaline tsis muaj zog (pH tus nqi 7.5-8.0) rau kev kho mob me me kom ua kom cov pab pawg nquag ua haujlwm ntawm qhov chaw ntawm cov fibers, txhim kho lub peev xwm nqus ntawm cov ntaub ntawv hauv paus rau cov neeg sawv cev ci ntsa iab fluorescent, thiab zam kev sib txuas tsis sib xws ntawm cov neeg sawv cev vim yog hydrophobicity ntawm cov fibers, ua kom muaj kev ci ntsa iab tas li.

(2) Kev kho kom ci ntsa iab fluorescent: Kev siv txoj kev nqus thiab nias, kev npaj ci ntsa iab raws li qhov xav tau

Peb siv cov kab tsim khoom siv fluorescent brightening uas tau tsim tshwj xeeb, thiab peb xaiv cov tshuaj brightening uas ua tau raws li cov qauv kev tiv thaiv ib puag ncig hauv tebchaws (xws li stilbene thiab coumarin hom) raws li cov neeg siv khoom xav tau rau qib brightening (kho tau qhov dawb ntawm 85-95 degrees), kev nyab xeeb (xws li qib menyuam yaus thiab qib kho mob), thiab kev tiv thaiv kev ntxuav, thiab ua tiav qhov ci ntsa iab zoo thiab sib xws los ntawm kev siv txoj kev immersion thiab nias, kom ntseeg tau tias ob qho tib si qhov ci ntsa iab thiab kev ua haujlwm kev nyab xeeb ua tau raws li cov qauv:

Kev xaiv cov neeg sawv cev ci ntsa iab: Peb xaiv cov neeg sawv cev ci ntsa iab fluorescent uas tsis ua rau ib puag ncig puas tsuaj uas ua raws li GB 18401-2010 "National Basic Safety Technical Specifications for Textile Products" thiab OEKO-TEX® Standard 100, kom ntseeg tau tias tsis muaj cov hlau hnyav uas ua rau muaj kev phom sij (xws li cov hlau txhuas thiab mercury) thiab tsis muaj kev tso tawm cov organic compounds uas tsis muaj zog; rau cov menyuam yaus thiab cov xwm txheej kho mob, peb siv cov neeg sawv cev ci ntsa iab "kev tsiv teb tsaws chaw tsawg" (kev tsiv teb tsaws chaw ≤ 5mg / kg) kom tsis txhob tsiv teb tsaws chaw tom qab kov lub cev tib neeg, kom ntseeg tau tias muaj kev nyab xeeb ntawm kev siv; tib lub sijhawm, peb tuaj yeem hloov kho hom neeg sawv cev ci ntsa iab raws li hom khoom siv - cov neeg sawv cev ci ntsa iab ncaj qha rau cov paj rwb thiab cov neeg sawv cev ci ntsa iab rau polyester kom ua kom pom tseeb tshaj plaws;

Txoj kev ua cov tub ntxhais: Txoj kev nqus thiab nias - tag nrho qhov dav sib xws, ci ntsa iab tob

Txoj kev siv txoj kev immersion thiab nias yog txoj kev zoo tshaj plaws los ua kom "tag nrho cov khoom siv hauv paus ci ntsa iab sib xws". Los ntawm peb kauj ruam ntawm "immersion - nias - kho", cov tshuaj fluorescent ci ntsa iab nkag mus tob rau hauv cov fibers ntawm cov khoom siv hauv paus, tiv thaiv kev ci ntsa iab tsis sib xws hauv qee qhov chaw. Cov txheej txheem tswj hwm tshwj xeeb yog raws li nram no:

Kauj Ruam Kev Nqus Dej: Muab cov khoom siv spunlaced tso rau hauv qhov kev sib xyaw ua ke ntawm cov tshuaj fluorescent brightening agent (qhov kev sib xyaw ua ke tau los ntawm 0.5% txog 2%, tswj tau raws li tus nqi dawb), thiab siv qhov sib xyaw qeeb qeeb (30-50r/min) kom ntseeg tau tias cov tshuaj sib xyaw ua ke; tib lub sijhawm, tswj lub sijhawm nqus dej (10-20 vib nas this) kom cov neeg sawv cev nkag mus rau sab hauv ntawm cov fibers es tsis yog tsuas yog lo rau ntawm qhov chaw, kom ntseeg tau tias qhov ci ntsa iab yog "los ntawm sab hauv mus rau sab nraud" thiab zam kev poob qhov ci ntsa iab hauv zos vim muaj kev sib txhuam tom qab;

Kauj Ruam Nias: Siv lub tshuab nias ob chav-roller precision, tswj lub siab ntawm lub roller (0.3-0.5MPa) thiab qhov ceev (5-8m / feeb) kom tshem tawm cov tshuaj pleev xim ntau dhau ntawm qhov chaw ntawm cov khoom siv hauv paus, xyuas kom meej tias qhov nrawm ntawm cov kua raug tswj ntawm 60% -80% (kho raws li qhov nqus dej ntawm cov khoom siv hauv paus) - qhov nrawm ntawm cov kua qis dhau yuav ua rau tsis txaus ci, thaum qhov nrawm dhau yuav ua rau "dripping" ua rau muaj kev sib xyaw ntau dhau hauv zos. Los ntawm kev tswj hwm kev nias, qhov yuam kev ntawm cov kua puv dav ntawm cov khoom siv hauv paus raug tswj hauv ≤3%, xyuas kom meej tias ci sib xws. Theem Kho thiab ua kom zoo nkauj: Cov txheej txheem ziab cua kub qis (80-100 ℃) tau siv los kho cov tshuaj pleev xim qeeb qeeb, tso cai rau cov khoom ntxiv los tsim kev sib txuas ruaj khov nrog cov fibers (xws li cov hydrogen bonds thiab van der Waals forces), thaum zam kev puas tsuaj rau cov khoom siv hauv paus los ntawm qhov kub siab (xws li daj ntawm cov paj rwb ntshiab ntawm qhov kub siab). Tib lub sijhawm, lub sijhawm ziab raug tswj (2-5 feeb) kom ntseeg tau tias tus neeg sawv cev ci ntsa iab tag nrho. Rau hom uas tsis yooj yim ntxuav, tom qab ntxuav 10 zaug, tus nqi dawb ntawm kev ua kom dawb yog ≤5%, thiab qhov cuam tshuam ci ntsa iab yog kav ntev thiab ruaj khov.

Peb. Cov txiaj ntsig ntawm cov khoom: Muaj ntau yam ntxwv ua ke, ua kom muaj zog rau "qib tsos + kev nyab xeeb" ob qho kev xav tau

Nrog ntau yam khoom siv zoo thiab cov txheej txheem fluorescent brightening, peb lub tuam txhab cov ntaub fluorescent brightening spunlace non-woven muaj ntau qhov zoo, uas tuaj yeem ua tau raws li qhov xav tau ntawm ntau qhov chaw sib txawv rau "kev dawb huv, kev nyab xeeb siab, thiab kev hloov pauv siab", muab kev txhawb nqa zoo rau kev txhim kho cov khoom lag luam ntawm cov neeg siv khoom:

Kev ci ntsa iab sib xws thiab ntev ntev: Los ntawm txoj kev immersion thiab padding, tag nrho cov ntaub ntawv hauv paus tau ci ntsa iab sib xws, thiab tus nqi dawb tuaj yeem tswj tau meej ntawm 85-95 degrees (kho raws li cov neeg siv khoom xav tau), tsis muaj "cov pob dawb" lossis "cheeb tsam tsaus ntuj". Cov txheej txheem kho kom ntseeg tau tias tus neeg sawv cev ci ntsa iab tau sib xyaw ua ke nrog cov fibers. Rau hom uas tsis yooj yim ntxuav, tom qab ntxuav 10 zaug, tus nqi dawb attenuation yog ≤5%. Hauv cov xwm txheej siv sab nraum zoov (xws li cov ntaub ntawv ntim khoom), tom qab 3 lub hlis ntawm kev raug tshav ntuj, tus nqi hloov pauv dawb yog ≤3%, ua tau raws li cov kev cai siv mus sij hawm ntev.

Muaj kev nyab xeeb thiab tsis ua rau khaus: Cov tshuaj fluorescent ci ntsa iab uas tsis ua rau ib puag ncig puas tsuaj tsawg raug xaiv, ua tau raws li cov qauv kev nyab xeeb rau cov menyuam mos thiab kev siv kho mob. Nws tau dhau qhov kev sim ua rau khaus tawv nqaij (tsis muaj kev liab lossis khaus), kev sim hlau hnyav (cov hlau txhuas thiab mercury ≤1mg/kg), thiab kev sim formaldehyde (≤20mg/kg), thiab tuaj yeem siv tau zoo rau cov khoom siv tu cev rau menyuam mos, cov khoom siv kho mob, thiab lwm yam xwm txheej ze rau daim tawv nqaij, zam kev pheej hmoo kev noj qab haus huv los ntawm kev tsiv teb tsaws chaw ntawm cov tshuaj ci ntsa iab.

Kev hloov pauv tau yooj yim ntawm cov khoom siv hauv paus: Cov yam ntxwv sib txawv ntawm cov khoom siv hauv paus (xws li polyester, viscose, paj rwb ntshiab, thiab xyoob fiber) tau hloov kho nrog cov hom tshuaj ua kom ci ntsa iab thiab cov txheej txheem immersion thiab padding - cov paj rwb ntshiab tsom mus rau "dawb ci ntsa iab ntuj", polyester tsom mus rau "kev ua kom ci ntsa iab uas tsis yooj yim ntxuav", thiab viscose tsom mus rau "kev ua kom ci ntsa iab uas zoo rau daim tawv nqaij", ua tiav "ib qho khoom siv hauv paus, ib qho kev daws teeb meem", yam tsis muaj kev txi cov txiaj ntsig qub ntawm cov khoom siv hauv paus (xws li kev ua kom zoo rau daim tawv nqaij ntawm paj rwb ntshiab thiab kev ua kom tsis yooj yim ntxuav ntawm polyester).

Kev ua tau zoo sib npaug: Tom qab ua kom ci ntsa iab, qhov kev ua tau zoo tseem ceeb ntawm cov khoom siv hauv paus, xws li kev ywj pheej, kev ua pa, thiab lub zog tensile, tsis poob qis - tsis muaj qhov pom tseeb tom qab 100 npaug, kev ua pa tswj hwm ntawm 500-1500mm / s (kho raws li qhov hnyav ntawm cov khoom siv hauv paus), thiab lub zog tensile ntawm cov khoom siv ua tiav yog ≤5% qis dua li ntawm cov khoom siv hauv paus qub, kom ntseeg tau tias cov khoom tuaj yeem txhim kho "qib tsos" yam tsis cuam tshuam rau kev siv.

Plaub. Cov xwm txheej ntawm daim ntawv thov: Npog ntau qhov chaw, pab txhawb rau "qib tsos thiab kev nyab xeeb" ob qho kev txhim kho

Peb lub tuam txhab cov ntaub fluorescent brightening spunlace non-woven, nrog rau qhov zoo ntawm "ntau yam khoom siv hauv paus + immersion thiab padding brightening + kev ua tau zoo ntawm kev nyab xeeb", tau siv dav hauv cov khoom siv tu cev, cov ntaub hauv tsev, cov ntaub ntawv pabcuam kho mob, cov ntaub ntawv ntim khoom, thiab lwm yam teb, dhau los ua qhov kev txhawb nqa tseem ceeb rau "kev txhim kho qib tsos" thiab "kev lav phib xaub kev nyab xeeb" ntawm cov khoom lag luam ntawm cov neeg siv khoom:

Cov khoom siv tu cev: Cov ntaub ntawv siv viscose / paj rwb ntshiab / xyoob fiber raug xaiv, thiab kev ci ntsa iab ntuj yog ua tiav los ntawm kev siv txoj kev immersion thiab padding (tus nqi dawb 88-92 degrees), uas tuaj yeem siv los ua txheej saum npoo ntawm cov ntaub so menyuam yaus, txheej saum npoo ntawm cov khoom tu cev poj niam, cov ntaub so ntub dej, thiab lwm yam. Qhov ci ntsa iab yog ntuj thiab tsis ci ntsa iab, thiab nws muaj kev nyab xeeb thiab tsis khaus, zam kev tsis xis nyob rau daim tawv nqaij mos ntawm cov menyuam mos thiab cov poj niam. Tib lub sijhawm, qhov dawb siab ua rau cov khoom huv si.

Cov ntaub hauv tsev: Cov ntaub polyester + viscose raug xaiv, thiab kev ua kom ci ntsa iab uas tsis yooj yim ntxuav tau ua tiav los ntawm kev siv txoj kev immersion thiab padding (tus nqi dawb 90-95 degrees), uas tuaj yeem siv los ua cov ntaub thaiv qhov rais, cov ntaub npog rooj zaum, phuam da dej, ntaub pua chaw pw, thiab lwm yam. Qhov ua kom ci ntsa iab ntev, tseem ci ntsa iab tom qab ntxuav ntau zaus, ua kom "qhov tshiab" ntawm ib puag ncig hauv tsev zoo dua. Tib lub sijhawm, kev tiv thaiv huab cua ntawm polyester ua kom cov khoom tsis daj tom qab raug tshav ntuj, ua kom lub neej ua haujlwm ntawm cov ntaub hauv tsev ntev dua. Hauv cov ntaub ntawv pabcuam kho mob, peb siv cov khoom siv paj rwb lossis viscose thiab cov khoom siv kho mob qib qis uas tsis tshua muaj kev hloov pauv (nrog tus nqi dawb ntawm 85-90 degrees) los tsim cov ntaub qhwv kho mob, cov ntaub so kho mob, thiab cov ntaub npog phais. Qhov dawb siab ua rau cov neeg ua haujlwm kho mob yooj yim dua los saib cov xim (xws li cov xim ntshav thiab cov tshuaj seem), thiab nws muaj kev nyab xeeb thiab tsis khaus, ua tau raws li cov qauv kev huv ntawm cov xwm txheej kho mob thiab zam kev pheej hmoo ntawm kev kis kab mob.

Hauv cov ntaub ntawv ntim khoom, peb siv cov polyester substrates thiab cov tshuaj impregnation thiab bleaching uas tiv taus huab cua siab (nrog qhov dawb ntawm 92-95 degrees) los tsim cov ntaub qhwv khoom plig thiab cov ntaub sab hauv khoom kim heev (xws li rau cov khoom ntim tshuaj pleev ib ce thiab cov hniav nyiaj hniav kub). Qhov dawb siab ua rau "kev xav zoo siab" ntawm cov khoom ntim khoom, thiab polyester tiv taus kev hnav ua kom cov khoom ntim khoom tsis ploj lossis poob nws qhov dawb thaum thauj mus los, tiv thaiv cov tsos ntawm cov khoom sab hauv.

V. Kev Cog Lus Rau Hom Lag Luam: Khaws Qhov Zoo Mus Ib Txhis, Kev Sib Pab Sib Koom Tes thiab Yeej-Yeej

Txij li thaum nws tau tsim, Changshu Yongdeli Spunlaced Nonwoven Fabric Co., Ltd. yeej ib txwm suav tias "kev zoo ruaj khov" ua lub hauv paus ntawm nws txoj kev loj hlob, koom ua ke thoob plaws hauv cov txheej txheem tsim khoom ntawm cov ntaub fluorescent ci ntsa iab spunlace nonwoven, thiab tiv thaiv "qib tsos" thiab kev nyab xeeb ntawm cov neeg siv khoom cov khoom nrog kev ua haujlwm thiab lub luag haujlwm:

Cov Khoom Siv Raw: Peb xaiv cov neeg muag khoom fiber thiab cov neeg muag khoom fluorescent brightener. Txhua pawg ntawm cov khoom siv raw yuav tsum muab cov ntawv qhia kev tshuaj xyuas zoo thiab daim ntawv pov thawj kev nyab xeeb (xws li SGS cov ntawv qhia kev xeem qis-migration rau brighteners). Tom qab peb lub tuam txhab rov tshuaj xyuas (cov khoom sib xyaw fiber, kev ntshiab ntawm brightener, cov hlau hnyav) thiab kev lees paub ntawm kev tsim nyog, lawv tuaj yeem siv los xyuas kom meej tias qhov chaw muaj kev nyab xeeb.

Qhov kawg ntawm kev tsim khoom: Peb tau nruab nrog pab pawg tshuaj xyuas zoo thiab cov khoom siv kuaj xyuas meej (xws li cov ntsuas dawb, cov ntsuas tiv thaiv kev ntxuav, cov ntsuas khaus tawv nqaij) los ua qhov kev kuaj xyuas qhov chaw tiag tiag ntawm cov cim tseem ceeb xws li qhov dawb thawj ntawm cov khoom siv, kev sib xws tom qab ci ntsa iab, kev tiv thaiv kev ntxuav, thiab kev nyab xeeb. Cov qauv ntawm txhua pawg khoom khaws cia rau yav tom ntej kom tiv thaiv cov khoom "tsis sib xws ci ntsa iab" thiab "kev nyab xeeb tsis ua raws li" los ntawm kev nkag mus rau hauv kev ua lag luam. 

Kev Pabcuam Xaus: Peb muab kev pabcuam tag nrho rau cov neeg siv khoom los ntawm "kev sib txuas lus thov - kev xaiv cov khoom siv - kev tsim cov phiaj xwm ci ntsa iab (xws li tus nqi dawb, kev kho qhov tsis kam ntxuav) - kev tsim cov qauv - kev tsim khoom ntau - kev taug qab tom qab muag". Yog tias cov neeg siv khoom muaj cov kev xav tau tshwj xeeb rau qhov ci ntsa iab thiab cov qauv kev nyab xeeb (xws li qib saib xyuas menyuam yaus, qib kho mob), peb tuaj yeem ua kom zoo dua cov txheej txheem kom ntseeg tau tias cov khoom ua tau raws li cov xwm txheej siv tiag tiag.

Yav tom ntej, peb yuav txuas ntxiv ua raws li cov neeg siv khoom xav tau, tshawb nrhiav thiab txhim kho cov thev naus laus zis fluorescent brightening (xws li kev tsim cov txheej txheem "fluorescent-free brightening" thiab ntau cov kev daws teeb meem brightening uas tiv taus huab cua), nthuav dav cov pawg substrate thiab cov xwm txheej siv, thiab siv zog los ua tus neeg muab khoom hauv kev lag luam ntawm cov ntaub fluorescent brightening spunlace nonwoven uas "txhim khu kev qha hauv kev zoo, hloov pauv tau yooj yim, thiab kev pabcuam tshaj lij". Peb yuav ua haujlwm tes ua ke nrog cov neeg siv khoom kom ua tiav lub hom phiaj kev txhim kho mus sij hawm ntev ntawm "kev koom tes ruaj khov thiab kev sib pab thiab yeej-yeej", thiab koom tes txhawb nqa kev txhim kho tshiab ntawm kev lag luam ntaub spunlace nonwoven uas ua haujlwm tau zoo uas hais txog "qib zoo nkauj thiab kev nyab xeeb".