Chifukwa Chiyani Matumba Omwe Amayezedwa ndi EVA / Matumba a EVA Osungunuka Ochepa a Zowonjezera za Mphira Amalepheretsa Pakapita Nthawi (18–24% VA) ndi Momwe Mungakwaniritsire Kuchita Bwino Kokhazikika?
• Kutsekeka kwa matumba oyezera EVA/Mabagi a EVA Osungunuka Mochepa kumachitika makamaka chifukwa chakusamuka kowonjezera, osati kusowa kwa kutsetsereka
• Mankhwala ochiritsira ogwiritsidwa ntchito nthawi zonse amadalirakusamukira pamwamba, zomwe zimapangitsa kuti pakhale kusakhazikika pakapita nthawi
• Makanema a EVA okhala ndi18–24% VAamakhudzidwa kwambiri ndi kusintha kwa mphamvu pamwamba ndi kugawidwanso kwa zowonjezera
• Makina osasuntha amaperekaCOF yokhazikika komanso magwiridwe antchito ogwirira ntchito
•Chinsinsi chothetsera kutsekeka ndikuwongolera kusamuka, osawonjezera mlingo wothira
Kodi matumba a EVA Chemical Dosing Bags kapena Low-melt EVA Bags ndi chiyani?
Matumba oyezera mankhwala a EVA ndi mafilimu opangidwa kuchokera ku ethylene-vinyl acetate (EVA) omwe adapangidwa kuti azikhala ndi kunyamula zowonjezera za mankhwala, zomwe zimathandiza kuti zilowetsedwe mumakina ogwiritsira ntchito monga kupanga rabara kapena kukonza ma polima.
Kawirikawiri amagwiritsidwa ntchito ku:
• Thandizani kuteteza zowonjezera ku kuipitsidwa ndi chinyezi chakunja
• Kuthandiza kusamalira ndi kupereka zinthu moyenera.
• Thandizani njira zodyetsera zokha kapena zodzichitira zokha
Tanthauzo:
Matumba oyezera EVA ndi zinthu zogwirira ntchito zosungiramo zowonjezera komanso zotumizira. Kutengera ndi momwe amagwiritsidwira ntchito, amatha kukhala osiyana ndi mankhwala omaliza kapena kulowetsedwa mu ndondomekoyi pamodzi ndi zomwe zili mkati mwake.
Mu ntchito zina zopangira rabara, matumba a EVA osasungunuka kwambiri amapangidwa kuti afewetse kapena kusungunuka pansi pa nthawi yokonza, zomwe zimathandiza kuti zinthu za thumba zifalikire mkati mwa thumba limodzi ndi zowonjezera. Zikatero, phukusili limakhala gawo la njira yomaliza yopangira.
Chifukwa Chiyani Matumba a EVA Osungunuka Ndi Ofunika Kwambiri Pokonza Masiku Ano?
Matumba a Low Melt EVA sakuonedwanso ngati ma CD osavuta. Mu ntchito zambiri za rabara ndi zopangira zinthu, ndi gawo la ntchito yopanga ndipo zimakhudza mwachindunji:
• Kufalikira kwa zowonjezera
• Kusakaniza kukhazikika
• Kugwirizana kwa gulu
• Kugwiritsa ntchito bwino njira
Chifukwa cha kuwonjezeka kwa makina odziyimira pawokha komanso kuwongolera njira zogwirira ntchito molimbika, khalidwe la pamwamba pa filimu lakhala chinthu chofunikira kwambiri pakugwira ntchito, osati kungoganizira za phukusi lokha.
N’chifukwa Chiyani Mabagi a EVA Osungunuka Mochepa Amatsekeka Pakapita Nthawi?
Kutsekeka nthawi zambiri kumaganiziridwa molakwika ngati vuto la kukangana. M'malo mwake, makamaka ndi vuto la kukhazikika kwa pamwamba lomwe limayambitsidwa ndi kusamuka kwa zowonjezera.
Maganizo ofala: Kutsekeka kumachitika chifukwa cha kutsetsereka kosakwanira.
Mwachizolowezi, Kuletsa kumachitika chifukwa cha kugawa kosakhazikika kwa zowonjezera pakapita nthawi.
Udindo wa Kusamuka Kowonjezera
Zinthu zothira mafuta (monga mafuta amides) zimagwira ntchito posuntha kuchokera ku polima wambiri kupita pamwamba.
Ngakhale kuti poyamba izi zingachepetse kukangana, njirayo imadalira kusamuka, komwe kumakhala kosinthasintha komanso kosakhazikika.
Pakapita nthawi, izi zingayambitse:
× Kugawa kowonjezera kosafanana
× Kuchepa kwa pamwamba
× Kuthamanga mu coefficient of friction (COF)
× Kuwonekeranso kwa kutsekeka ndi kukhazikika
Izi zikufotokoza chifukwa chake mafilimu a EVA amatha kugwira ntchito bwino poyamba koma amawonongeka akasungidwa.
Chifukwa Chake Mafilimu a VA EVA a 18–24% Ndi Osavuta Kuonera
Makanema a EVA omwe ali mu 18–24% VA amagwiritsidwa ntchito kwambiri popereka mankhwala chifukwa cha kusinthasintha kwawo komanso kuthekera kwawo kukonzedwa.
Komabe, kuchuluka kwa VA kumawonjezeka:
• Kusinthasintha kwa zinthu
• Kumangirira pakati pa zigawo
• Kuzindikira kusintha kwa mphamvu pamwamba
Zotsatira zake, mafilimu awa amakhala osavuta kutsekereza ndi kutsika kusakhazikika pamene kusamuka sikulamulidwa.
Machitidwe Okhazikika Otsetsereka vs Kusakhazikika kwa Kusamuka
Machitidwe otsetsereka achikhalidwe amadalira kupangika kwa gawo la pamwamba kudzera mu kusamuka. Zoletsa za njira iyi:
• Kugwira ntchito kumadalira kayendedwe kowonjezera
• Kuchuluka kwa pamwamba kumasintha pakapita nthawi
• Kusakhazikika kwa nthawi yayitali mu COF
• Kuopsa kwa kusasinthasintha panthawi yosungira ndi kugwiritsa ntchito
Mu ntchito za thumba la EVA losungunuka pang'ono, kusakhazikika kumeneku ndikofunikira kwambiri chifukwa filimuyo imalowa mwachindunji mu dongosolo lophatikizana.
Njira yothandiza kwambiri imayang'ana kwambiri pakuwongolera machitidwe a pamwamba pa mlingo wa kapangidwe kake, m'malo modalira zowonjezera zosamuka.
Kusamuka kwa Slip & Anti-Block Masterbatch
SILIMER 2506ndi masterbatch yatsopano yopangidwa ndi silicone yopangidwa ndi SILIKE, yopangidwira makamaka mafilimu a EVA ndi ma bag a EVA, kuphatikiza Mabag a Low Melt EVA, Mabag Oyesa EVA, ndi Mabag a EVA Medicine.
Imagwiritsa ntchito silicone polymer yosinthidwa mwapadera (copolysiloxane) ngati chinthu chogwira ntchito. Mosiyana ndi zowonjezera zachikhalidwe zotsetsereka, imagwira bwino ntchito pothana ndi zofooka zomwe zimachitika monga mvula pamwamba, kusakhazikika kwa magwiridwe antchito pakapita nthawi, komanso kusinthasintha kwa magwiridwe antchito komwe kumachitika chifukwa cha kusintha kwa kutentha.
Makhalidwe Ofunika a EVA Film Additive SILIMER 2506
• Zimathandiza kutsegula filimu ndipo zimathandiza kuti isamatseke bwino panthawi yokonza.
• Khalidwe losafalikira → limathetsa mavuto okhudzana ndi kusamuka
• Palibe kuwonongeka kwa pamwamba pakapita nthawi
• Imasunga chiŵerengero chokhazikika cha kukangana (COF)
• Imapereka magwiridwe antchito okhazikika posungira ndi kukonza
BUbwino wa Matumba a EVA (Matumba a Mankhwala) Kutengera Ndemanga Zochokera kwa Opanga
Kugwiritsa ntchito slip yosasuntha komanso masterbatch yotsutsana ndi block mu thumba la EVA kungayambitse:
√Kudyetsa filimu nthawi zonse
√ Kuchepetsa kutsekeka kwa zinthu panthawi yosungira
√Kutsegula kokhazikika pakapita nthawi
√Kufunika kochepa kwa kulowererapo pamanja
√Kukhazikika kwabwino kwa gulu lililonse
Kuchokera pamalingaliro okonza:
√Khalidwe losakanikirana lodziwikiratu
√Kuchepa kwa kusiyana komwe kumachitika chifukwa cha kusamuka kowonjezera
√Kugwirizana bwino ndi machitidwe odzichitira okha
Kuchuluka kwa Kugwiritsa Ntchito kwa Stable Slip Additive SILIMER 2506
Chowonjezera cha filimu ichi n'chofunika kwambiri pa:
♦ Matumba oyezera mankhwala a EVA
♦Makina owonjezera a mphira (Mabagi a EVA Osungunuka Otsika)
♦Machitidwe odyetsera okha mu ntchito zophatikiza
♦Makanema a EVA okhala ndi 18–24% ya VA
FAQ
1. N’chifukwa chiyani matumba oyezera EVA /Matumba a Mankhwala / Matumba a EVA osasungunuka kwambiri amamatirana pakapita nthawi?
Chifukwa zinthu zokhazikika zotsetsereka zimasamuka mosagwirizana, zomwe zimapangitsa kuti pamwamba pa zinthuzo pakhale kuchepa komanso kulimba kwambiri panthawi yosungira.
2. N’chiyani chimayambitsa kutsekeka kwa mafilimu a EVA (18–24% VA)?
Kutsekeka kumachitika makamaka chifukwa cha kusamuka kwa zinthu zina, zomwe zimapangitsa kuti mphamvu ya pamwamba isakhazikike komanso kuti pakhale kugawikana kosafanana pakapita nthawi.
3. Kodi matumba oletsa kutsekeka kwa EVA/Mabagi a EVA Osasungunuka Motani angapewedwe bwanji??
Mwa kuchepetsa kudalira zinthu zosunthira ndi kugwiritsa ntchito njira zopangira zinthu zomwe zimakhazikitsa malo ozungulira popanda kusuntha.
4. N’chifukwa chiyani kuwonjezera mlingo wa mankhwala ochepetsa ululu sikuthetsa vutoli?
Kuwonjezera kulephera kwambiri kungawononge kusalingana kwa kusamuka, zomwe zimapangitsa kuti ntchito yosakhazikika ichitike kwa nthawi yayitali m'malo mothetsa chomwe chimayambitsa vutoli.
5. Kodi ubwino wa kusasuntha kwa slip ndi Anti-Block Masterbatch ndi wotani?
SILIKE SILIMER 2506 slip ndi anti-Block masterbatch ndi Chowonjezera Chosasuntha ndi Choletsa Kutsekeka, chomwe chimapereka nthawi zonseKagwiridwe ka ntchito ka pamwamba pakapita nthawi popanda kuphuka kapena kuchepa, zomwe zimapangitsa kuti ntchito yake ikhale yolimba komanso kuchepetsa kusiyana kwa zinthu.
Kaya mukugwiritsa ntchito Mabagi Oyezera Mankhwala a EVA kapena Mabagi Osungunuka a EVA a Zowonjezera za Rubber, funsani SILIKE kuti mudziwe zambiri za filimu yogwira ntchito.zowonjezera SILIMER2506 ndi momwe ingathandizire kupewa kutsekeka ndi kutsetsereka kwa kusakhazikika kwa mafilimu a EVA popanda kusamuka.
Tel: +86-28-83625089 or via Email: amy.wang@silike.cn. Website:www.siliketech.com
Nthawi yotumizira: Epulo-01-2026
