Kodi Mungapereke Bwanji Utoto Wolimba wa Zovala Zamasewera Zomwe Zingathe Kupirira Thukuta ndi Kusamba?

Kupaka utoto wa zovala zamasewera kolimba kumadalira kusankha utoto wothira kapena wothira. Kupaka utoto woyenera wa nsalu isanayambe komanso kugwiritsa ntchito bwino pambuyo pake ndikofunikira kwambiri. Ogwiritsa ntchito ambiri amanena kuti utoto umatuluka magazi pakhungu kapena zovala zina ndipo umatha kutha kwambiri akatsuka. Njirazi ndizofunikira kwambiri kuti zovala zamasewera zisatuluke thukuta komanso kusamba. Kumvetsetsa njirazi kumatsimikizira kuti utoto ndi ntchito yake zimakhala zokhalitsa.

Mfundo Zofunika Kwambiri

• Sankhani utoto woyenera zovala zamasewera. Utoto wochita zinthu mopupuluma umagwira ntchito pa nsalu zachilengedwe. Utoto wobalalitsa umagwira ntchito pa nsalu zopangidwa. Izi zimapangitsa kuti mitundu ikhale nthawi yayitali.
• Konzani nsalu bwino musanazidaye utoto. Nsalu zoyera zimayamwa utoto bwino. Izi zimathandiza kuti mitundu ikhale yofanana komanso yowala.
• Gwiritsani ntchito mankhwala apadera mukamaliza kupukuta. Mankhwalawa amakhala ndi mitundu yosiyanasiyana. Amapangitsa zovala zamasewera kukhala zolimba kuti zisatuluke thukuta komanso kusamba.

Kumvetsetsa Mitundu ya Utoto wa Zovala Zamasewera Zolimba

Kusankha mtundu woyenera wa utoto ndikofunikira kwambiri kuti utoto wa zovala zamasewera ukhale wolimba. Ulusi wosiyanasiyana umafuna mankhwala enaake a utoto kuti ukhale wolimba komanso wotetezeka ku thukuta, kusamba, komanso kuwala.

Utoto Wochita Zinthu Zosiyanasiyana pa Ulusi Wachilengedwe

Utoto wochita zinthu mopupuluma ndi wabwino kwambiri pa ulusi wachilengedwe monga thonje, nsalu, ndi rayon, zomwe zimapezeka kwambiri mu zovala zamasewera. Utoto uwu umapanga mgwirizano wamphamvu wa mankhwala ndi mamolekyu a ulusi. Utoto wochita zinthu mopupuluma uli ndi magulu ogwira ntchito omwe amachita zinthu mopupuluma ndi magulu a hydroxyl mu cellulose ndi magulu a amino mu ulusi wa mapuloteni. Kuchita izi kumapanga ma covalent bonds. Kapangidwe ka mankhwala a utoto uwu kakhoza kuimiridwa ngati WDB-Re, pomwe 'Re' imatanthauza gulu lochita zinthu mopupuluma. Zitsanzo zenizeni za magulu opupuluma awa ndi monga triazine, pyrimidine, vinylsulfone, ndi kapangidwe ka phosphonic acidUtoto wochita kusakaniza ndi ulusi, monga utoto wa monoazo kapena dichlorotriazine, wapangidwa kuti apange ma covalent bond olimba ndi ulusi panthawi yopaka utoto. Izi zimatsimikizira kuti utoto wake ndi wolimba kwambiri. Kugwirizana kolimba kumeneku kumatanthauza kuti mtunduwo umakhala mbali ya ulusi womwewo, zomwe zimapangitsa kuti ukhale wolimba kwambiri kuti usawonongeke chifukwa chotsukidwa ndi thukuta.

Kubalalitsa Utoto wa Ulusi Wopangidwa

Utoto wothira utoto ndiye chisankho chachikulu cha ulusi wopangidwa monga polyester, nayiloni, ndi acetate. Ulusi uwu ulibe malo oti ugwirizane ndi covalent. Utoto wothira utoto ndi Sizisungunuka m'madzi kwambiri., zomwe zimafunika kugwiritsidwa ntchito m'njira yogawanika bwino komanso yofalikira. Kapangidwe kake kopaka utoto kamadalira kufalikira kwa mamolekyu m'malo mosungunuka. Mamolekyu a utoto amasamuka kupita kumadera opanda mawonekedwe a ulusi wopangidwa akatenthedwa. Amapanga mphamvu za van der Waals ndi ma bond a hydrophobic ndi maunyolo a polymer mkati mwa ulusi. Zinthu zingapo zimakhudza kufalikira kumeneku, kuphatikizapo kukula kwa mamolekyu a utoto, kuchuluka kwa ulusi, ndi kutentha kwa kusintha kwa ulusi (Tg). Azo barbituric acid ndi thiobarbituric acid derivatives ali ndi kapangidwe kapadera ka mamolekyulu. Gawo la asidi wa barbituric lili ndi magulu angapo a carbonyl omwe amalumikizana ndi ulusi wa nsalu, zomwe zimapangitsa kuti ma adsorption, fixation, komanso mtundu wake ukhale wolimba. Gulu la azo, lolumikizidwa ndi gawo la barbituric, limatha kukhalapo m'njira zosiyanasiyana za tautomeric, zomwe zimapangitsa kuti ma spectral properties ndi pH-responsive behavior. Ma derivatives awa ali ndi mphamvu zabwino kwambiri zolandirira ma elekitironi.

💡 Langizo: Pa zovala zamasewera za polyester, utoto wosakanikirana umapereka kulimba kwabwino kwambiri kwa sublimation. Mogwirizana ndi miyezo ya ISO 105-P01, kulimba kwa sublimation kwa utoto wosakanikirana pa zovala zamasewera za polyester nthawi zambiri kumayesedwa kuti awone ngati pali utoto ndi kusintha kwa mtundu pa 180°C kapena 210°C kwa masekondi 30. Kenako mayesowa amachitidwa pa sikelo ya imvi ya 1-5. Akayesedwa malinga ndi ISO 105-P01, zotsatira za kufulumira kwa sublimation kwa zitsanzo za PET zopakidwa utoto nthawi zambiri zimakhala kuyambira pakati mpaka zabwino kwambiri (Giredi 1-5, pomwe 1 ndi yoipa ndipo 5 ndi yabwino kwambiriZitsanzo za PET nthawi zambiri zimakhala ndi kulimba kwa sublimation bwino pang'ono poyerekeza ndi nsalu zopakidwa utoto wa acrylic ndi nayiloni. Utoto wokhala ndi magulu olowa m'malo monga –NO2 ndi –Cl wawonedwanso kuti ukuwonetsa kulimba kwa sublimation.

Zinthu Zofunika Kuganizira Popaka Utoto pa Zovala za Masewera

Kupaka utoto wa utoto kumaphatikizapo kugwiritsa ntchito tinthu ta utoto tosasungunuka pamwamba pa nsalu pogwiritsa ntchito chomangira. Inki ya utoto imapangidwa ndi madzi, ufa wosalala wa utoto, ndi chomangiraNgakhale kuti amakondedwa kuti azigwiritsidwa ntchito mosamala chifukwa sayambitsa ziwengo komanso alibe zinthu zomwe zimayambitsa ziwengo, momwe inki ya pigment imakhalira pamwamba pa nsalu, m'malo molowa mu ulusi, ingapangitse nsaluyo kuoneka yofewa pang'ono poyerekeza ndi inki ina ya nsalu. Nsalu zopakidwa utoto watsopano nthawi zambiri zimakhala zolimba kapena zolimba poyambaKuuma kumeneku nthawi zambiri kumachepa akamatsukidwa pambuyo pake. Njira yopaka utoto imaphatikizapo chinthu chomangirira, chomwe chimadziwika kuti binder, chomwe chimathandiza kuti utoto ugwirizane ndi pamwamba pa nsalu. Chomangiracho chikagwiritsidwa ntchito, zovalazo zimaumitsidwa bwino kuti utotowo ukhale wofewa. Ngakhale kuti utoto umakhala wopepuka bwino, kulimba kwawo kosamba kumatha kukhala kotsika kuposa utoto wothira kapena wofalikira chifukwa mtunduwo sugwirizana ndi ulusi. Izi zitha kukhala nkhawa ya zovala zamasewera zomwe zimatsukidwa pafupipafupi.

Kupaka utoto wa VAT kuti ukhale wolimba

Utoto wa Vat umadziwika chifukwa cha mphamvu zake zosasunthika, makamaka ulusi wa cellulosic. Utoto wa VAT susungunuka poyamba. Amachepetsedwa kukhala mawonekedwe a 'leuco' osungunuka mu alkaline ndi reducing medium, zomwe zimawalola kufalikira mu ulusi. Akakhudzidwa ndi mpweya kapena zinthu zopangitsa kuti oxygen ilowe, mawonekedwe a leuco amabwerera ku mawonekedwe ake oyambirira a pigment osasungunuka. Utoto wosasungunukawu umagwidwa mkati mwa ulusi, zomwe zimapangitsa kuti mamolekyu a utoto asatsukidwe, kuwala, ndi mankhwala. Utoto wa VAT umakhala ndi mphamvu yosinthika chifukwa cha kapangidwe kawo ka molekyulu, zomwe zimapangitsa kuti asawonongeke ndi kuwala ndipo zimawalola kuti asunge mtundu wawo ngakhale atawonekera kwa nthawi yayitali. Utoto wa VAT susungunuka mkati mwa ulusi ndikupanga mgwirizano wa mankhwala, kuonetsetsa kuti sungasinthe ngakhale atatsukidwa mwamphamvu kapena bleach. Izi zimapangitsa kuti zikhale zoyenera zovala zamasewera zapamwamba zomwe zimafuna kulimba kwambiri.

ISO 105 B02 ndi muyezo wodziwika padziko lonse lapansi wokhudza kufulumira kwa utoto mpaka kuwalaZimaphatikizapo kuwonetsa chitsanzo cha nsalu nthawi imodzi ndi nsalu yowunikira ubweya wabuluu. Kutha kwa chitsanzo choyesera kumayesedwa poyerekeza ndi chowunikira ubweya wabuluu. Muyeso wa Ubweya Wabuluu umayambira pa 1 (kuthamanga kwamtundu wotsika kwambiri mpaka kuwala) mpaka 8 (kuthamanga kwamtundu kwambiri mpaka kuwala).

Kukonzekera Nsalu ndi Kugwiritsa Ntchito Utoto wa Zovala za Masewera

Kupeza utoto wolimba mu zovala zamasewera kumafuna zambiri osati kungosankha utoto woyenera. Kukonzekera nsalu ndi njira yopaka utoto yokha zimagwira ntchito yofunika kwambiri. Kukonza bwino nsalu isanakwane kumathandiza kuti utotowo ulandire utoto mofanana. Njira zamakono zopaka utoto zimathandiza kuti utoto usamatayike. Kukonza bwino pambuyo pa utoto kumathandiza kuti utoto ukhale wosalala komanso kuti nsalu igwire bwino ntchito.

Njira Zofunikira Zochiritsira Asanalandire Chithandizo

Kukonzekera nsalu ndi gawo loyamba lofunika kwambiri pa utoto wolimba wa zovala zamasewera. Kumachotsa zinyalala zomwe zingalepheretse kuyamwa kwa utoto. Njira ziwiri zofunika kwambiri ndi kupukuta ndi kupukuta.

Kupukuta ndi njira yoyeretsera. Kumachotsa zinyalala kuchokera ku ulusi, ulusi, kapena nsalu. Izi nthawi zambiri zimaphatikizapo kutsuka ndi madzi amchere. Kupukuta kumachotsa zinthu zosagwiritsa ntchito cellulosic kuchokera ku thonje. Kumachotsanso mafuta odzola, dothi, zinthu zachilengedwe, ndi zinthu zoletsa kutentha. Zinyalala zimenezi zimapangitsa kuti ulusiwo usayamwe. Kupukuta zimapangitsa kuti nsaluyo ilowe bwino kwambiri. Zimathandiza kuti utoto ndi mankhwala zilowe bwino.Njira imeneyi imasiya nsaluyo ili mu mkhalidwe woyamwa kwambiri. Imachita izi popanda kuwonongeka kwakukulu kwa mankhwala kapena zakuthupi. Kupukuta bwino kumapewa mavuto monga utoto wosiyanasiyana. Sera kapena zinthu zakunja, ngati sizichotsedwa, zingayambitse mavutowa.

Kuyeretsa utoto ndi njira ya mankhwala. Kumachotsa zinthu zosafunikira za utoto kuchokera ku ulusi. Kuyeretsa utoto kumachotsa utoto wa utoto womwe kupukuta sikuchotsa. Kumakonzekeretsa nsalu kuti igwiritsidwe ntchito pomaliza zinthu zina monga kupukuta utoto kapena kusindikiza. Kuyeretsa utoto kumachotsa utoto wosafunikira. Kumathandizanso kwambiri kuyamwa kwa nsaluyo. Kusungunuka kumeneku ndikofunikira kwambiri pakuyeretsa utoto ndi kusindikiza bwino.

Njira Zapamwamba Zopaka Utoto Kuti Ukhale Wosavuta Kuthamanga

Njira zamakono zopaka utoto zimathandiza kwambiri pakusintha mtundu kukhala wosasunthika komanso wokhalitsa. Njira zimenezi zimathandizira kuti utoto ugwirizane ndi ulusi.

Kupaka utoto wa CO2 mopitirira muyeso ndi njira yatsopano. Imagwiritsa ntchito carbon dioxide ngati njira yopaka utoto. Ukadaulo uwu umakwaniritsa kugwiritsa ntchito madzi konse. Njirayi imasungunula mamolekyu a utoto mu madzi a carbon dioxide ofunikira kwambiri. Madzi awa amafalikira mu thanki yoyankhira. Utotowo umalowa mwachangu pamwamba pa ulusi. Kenako umalowa mkati mwa ulusi. Kukhazikika kwa utoto kumachitika pamene kuchuluka kwa utoto pa ulusi ndi madziwo kufika pamlingo woyenera. Pambuyo popaka utoto, kuchepetsa kuthamanga kumatulutsa carbon dioxide. Izi zimapangitsa kuti nsalu zouma zopaka utoto popanda njira yosiyana yowuma. Utoto ndi carbon dioxide zonse zimabwezeretsedwanso kwathunthu ndikugwiritsidwanso ntchito. Izi zimapangitsa kuti utoto ndi kumaliza zikhale zopanda kuipitsa komanso zopanda zinyalala. Pa ulusi wa polyester (PET), utoto wa CO2 wofunikira kwambiri ndi wothandiza kwambiri. Utoto wobalalitsa umasonyeza kusungunuka kwakukulu mu CO2 wofunikira kwambiri kuposa m'madzi. Mamolekyu a CO2 amalowa mosavuta ndikudzaza malo opanda kanthu pakati pa unyolo wa polymer wa PET. Izi zimawonjezera kuyenda kwa unyolo wa polymer, zomwe zimapangitsa kuti utoto ukhale wabwino. Zitsanzo za PET zopakidwa utoto ndi njira iyi zikuwonetsa Kutopa kwambiri kwa utoto, mphamvu ya utoto (K/S), ndi mphamvu ya kusalaIzi zikuyerekezeredwa ndi njira zachikhalidwe zopaka utoto.

Ukadaulo wa utoto wa akupanga nawonso Zimathandiza kuti utoto ulowe bwino. Zimachepetsa nthawi yokonza utoto.Mafunde a ultrasound amapanga thovu laling'ono kwambiri, lotchedwa cavitation, mu bafa la utoto. Cavitation imathandizira kufalikira kwa utoto. Imalimbikitsa kutupa kwa ulusi. Imaphwanyanso ma aggregates a utoto. Izi zimapangitsa kuti utoto ulowe bwino mu ulusi wa nsalu. Zotsatira zake zimakhala mtundu wabwino komanso utoto umapangidwa mwachangu.

Mankhwala Othandizira Pambuyo Popaka Utoto Kuti Ukhale Wolimba Kwambiri

Pambuyo popaka utoto, njira zinazake zochiritsira zimawonjezera kulimba kwa utoto komanso magwiridwe antchito a nsalu. Njirazi zimaphatikizapo zinthu zomangira ndi zofewetsa.

Zopangira utoto wa cationic ndizofunikira kwambiri pa utoto wochita kusintha. Zimathandiza kuti utoto usavutike kusamba. Zopangirazi zimakhala ndi mphamvu zamagetsi. Zimalumikizana ndi mamolekyu a utoto wochita kusintha omwe ali ndi mphamvu zoyipa. Kuyanjana kumeneku kumapanga zokopa zamphamvu zamagetsi. Izi zimapangitsa kuti utotowo ukhale wolimba womwe umatseka utotowo mu kapangidwe ka ulusi. Izi zimawonjezera mphamvu yonyowa, mphamvu yosamba, komanso kukana thukuta. Njira zopangira mankhwala zimaphatikizapo:

1. Kugwirizana kwa Ionic: Zopangira cationic fixing zimapanga zokopa zamagetsi ndi magulu a sulfonic acid omwe ali ndi mphamvu yoipa ya anionic reactive. Izi zimapanga ma ionic bond. Ma bond awa amamangirira mamolekyu a utoto pamwamba pa ulusi. Izi zimawaletsa kuti asasunthike.
2. Kupanga Mafilimu: Zinthu zina zomangira zimapanga filimu yopyapyala komanso yoteteza pamwamba pa ulusi wopaka utoto. Filimuyi imagwira ntchito ngati chotchinga chenicheni. Imaletsa mamolekyu a utoto kuti asatuluke m'madzi osambira. Imatetezanso ma covalent bonds a utoto ndi ulusi ku kusweka ndi kuukiridwa ndi mankhwala panthawi yotsuka.
3. Mapangidwe Ovuta: Zopangira utoto zimatha kupanga zinthu zokhazikika zokhala ndi mamolekyulu osinthika a utoto. Ma complex awa ndi okhazikika kuposa mamolekyulu amtundu uliwonse wa utoto. Nthawi zambiri amakhala ndi madzi ochepa osungunuka. Izi zimalepheretsanso utoto kutuluka panthawi yotsuka.

Zofewetsa zimagwiritsidwanso ntchito pambuyo popaka utoto. Zimathandizira kuti nsaluyo imveke bwino komanso kuti igwire bwino ntchito. Zofewetsa zopanda ma ionic ndi zabwino kwambiri pa nsalu zomwe zimagwira ntchito bwino kwambiri. Zimapereka mawonekedwe ofewa komanso osalala a manja popanda kukhudza mafuta. Zofewetsa izi zimasunga mawonekedwe a nsalu kukhala osalala. Izi zimathandiza kuti chinyezi chizilowa mwachangu komanso kuti chizituluka. Izi ndizofunikira kwambiri kuti nsaluyo isamavutike kuzizira. Zimapangitsanso kuti nsaluyo isawonongeke. Izi zimathandiza kuti nsaluyo isamawoneke bwino. Zimathandizanso kuti nsaluzo zisamawoneke bwino. Zofewetsa za silicone zomwe zimatuluka ndi madzi zisamawoneke bwino kwambiri pa zovala zamasewera. Zimawonjezera mawonekedwe a mdima. Izi zimathandiza kuti nsalu zizitha kuyamwa mwachangu ndikuchotsa thukuta. Izi ndizofunikira kwambiri pakuwongolera chinyezi komanso kutentha. Zofewetsa izi zimaperekanso mawonekedwe abwino komanso osalala a manja. Zimachepetsa kukangana ndi kukwiya. Zimathandizira kuti zovala zikhale zolimba. Zimalimbana ndi chikasu ndipo zimasunga mtundu wake kukhala wabwino.

Kusankha Nsalu Zoyenera Kuti Utoto Ukhale Wabwino Kwambiri mu Zovala Zamasewera

Kusankha nsalu yoyenera n'kofunika mofanana ndi kusankha utoto woyenera wa zovala zamasewera zolimba. Ulusi wosiyanasiyana umakhudzidwa ndi utoto ndi mankhwala. Izi zimakhudza momwe zimasungira utoto motsutsana ndi thukuta ndi kusamba.

Polyester Yothandiza Kuti Ukhale Wosatha

Polyester imadziwika bwino chifukwa cha kulimba kwake kwabwino kwa utoto. maunyolo a polima omangidwa bwino Amafuna utoto wapadera womwe ungalowe mu ulusi pansi pa kutentha kwakukulu ndi kupanikizika. Ulusi wa polyester nawonso sugwirizana ndi madzi. Alibe malo a ionic oti agwirizane ndi utoto. Izi zimapangitsa kuti azilandira utoto wosakanikirana ndi ionic. Utoto uwu ukhoza kulowa mkati mwa ulusi, zomwe zimapangitsa kuti mitundu ikhale yowala komanso yokhalitsa.

Makhalidwe a Utoto wa Nayiloni

Nayiloni ili ndi mawonekedwe apadera opaka utoto. Imavomereza mosavuta utoto wa asidi, kupanga ma ionic bond amphamvu ndi kapangidwe kake ka polima. Izi zimapangitsa kuti mitundu ikhale yowala komanso yosasamba. Kulamulira bwino pH mu bafa ya utoto wa asidi ndikofunikira kwambiri kuti utoto ukhale wolimba pa nayiloni. Mankhwala a nayiloni, makamaka ake ma bond amide, imathandizira kuti utoto wake ukhale wabwino kwambiri poyerekeza ndi polyester, yomwe ili ndi ma ester olumikizana. Komabe, kupeza mtundu wofanana komanso kulimba bwino pa zovala zamasewera za nayiloni kumabweretsa zovuta. Kusiyanasiyana kwa kapangidwe ka ulusi kungayambitse kulowa kwa utoto kosagwirizanaKusakonza bwino utoto musanagwiritse ntchito kumasokonezanso kukanikiza utoto. Utoto ukhoza kuchotsedwa pamene ukutsukidwa ngati sunakonzedwe bwino. Kuwala kwa UV kumatha kuwononga mamolekyu a utoto, zomwe zimapangitsa kuti utoto uzizire. Kukangana kungayambitse kusamutsidwa kwa utoto kumalo ena. pH ya yankho la utoto imakhudza kwambiri kuyamwa kwa utotoKulamulira kutentha, makamaka pakati pa 65-85°C, ndikofunikira kwambiri kuti tipewe utoto wosagwirizana.

Nsalu Zosakanikirana ndi Mavuto Opaka Utoto

Kupaka utoto nsalu zosakanikirana, monga polyester/thonje kapena polyester/spandex, kumabweretsa zovuta zapadera. Zosakaniza izi zimaphatikiza ulusi ndi mitundu yosiyanasiyana ya utoto. Pa mitundu yosiyanasiyana ya polyester/thonje, njira yopaka utoto iwiri nthawi zambiri imafunika. Izi zimaphatikizapo kupaka utoto wa thonje kaye ndi mtundu umodzi wa utoto, kenako kubwereza njira ya utoto wa polyester ndi mtundu wina. Njirayi nthawi zambiri imabweretsa zotsatira zosasunthika kapena zowoneka bwino m'malo mwa mtundu wolimba wowala. Kupeza mtundu wolimba wofanana komanso wowala n'kovuta chifukwa cha mitundu yosiyanasiyana ya utoto. Mitundu ya polyester/spandex imayang'anizana ndi mavuto monga kutuluka magazi mu utoto panthawi yoyeretsa kapena kuyeretsa. Mphamvu zambiri nthawi zambiri zimafunika pa kutentha kwakukulu kwa utotoKusalimba kwa utoto kungachitike chifukwa cha utoto wopaka pa spandex. Kutuluka kwa magazi pakhungu kumakhudza kusala kwa kusambaSpandex imathanso kusweka panthawi yomaliza. Njira zochepetsera vutoli zimaphatikizapo kugwiritsa ntchito mankhwala ochapira, mafilimu oteteza, ndi zinthu zowonjezerera utoto.

Kupeza zovala zamasewera zolimba, zosagwira thukuta komanso zosasamba kumafuna njira yonse yopaka utoto wa zovala zamasewera. Izi zimaphatikizapo kusankha utoto mosamala, kukonzekera bwino nsalu, ndi njira zapamwamba zopaka utoto. Kuchiza bwino pambuyo pa chithandizo ndikofunikiranso. Njira yokwanira imatsimikizira mtundu ndi magwiridwe antchito a zovala zamasewera, kukwaniritsa zomwe ogula amayembekezera kuti zikhale zabwino komanso zolimba.

FAQ

Nchifukwa chiyani utoto wothira ndi wothira ndi wabwino kwambiri pa zovala zamasewera?

Utoto wochita zinthu mopupuluma umalumikizana ndi ulusi wachilengedwe. Utoto womwaza umalowa mu ulusi wopangidwa. Njira zonsezi zimatsimikizira kuti utoto wake ndi wolimba kwambiri kuti usatuluke thukuta komanso kusamba.

Kodi kukonza nsalu musanagwiritse ntchito kumathandiza bwanji kuti utoto ukhale wolimba?

Kukonza zinthu musanagwiritse ntchito kumachotsa zinyalala. Kumapangitsa nsalu kukhala yonyowa kwambiri. Izi zimathandiza kuti utoto ulowe mkati mwa nsalu mozama komanso mofanana. Kumateteza mitundu yosiyanasiyana komanso kumawonjezera kulimba kwa nsalu.

Kodi n’chiyani chimapangitsa mitundu ya zovala zamasewera kutha pakapita nthawi?

Kusamba pafupipafupi, thukuta, komanso kuwonetsedwa ndi UV kumatha kuwononga mamolekyu a utoto. Kusankha utoto molakwika kapena kusakonza bwino pambuyo pochotsa utoto kumathandizanso kuti utoto uzizire.