Kungani Izikhwama Zokulinganisa ze-EVA / Izikhwama ze-EVA Ezincibilika Kancane Zezithako Zenjoloba Zivimba Ngokuhamba Kwesikhathi (18–24% VA) nokuthi Ungafinyelela Kanjani Ukusebenza Okuzinzile Kokushelela?
• Ukuvaleka kwezikhwama zokulinganisa ze-EVA/Izikhwama ze-EVA Ezincibilika Kancane kubangelwa kakhuluukufuduka okungeziwe, hhayi ukuntuleka kokushelela
• Ama-slip agent avamile athembele kuwoukufuduka kuya phezulu, okuholela ekungazinzini ngokuhamba kwesikhathi
• Amafilimu e-EVA anama-18–24% VAzizwela kakhulu ezinguqukweni zamandla angaphezulu kanye nokusatshalaliswa kabusha kwezengezo
• Izinhlelo zokushelela ezingafuduki zinikezaukusebenza okuzinzile kwe-COF kanye nokuphatha
•Isihluthulelo sokuxazulula ukuvimba yilokhuukulawula ukufuduka, hhayi ukwandisa umthamo wokushelela
Ziyini izikhwama zokulinganisa zamakhemikhali ze-EVA noma izikhwama ze-EVA ezincibilika kancane?
Izikhwama zokulinganisa amakhemikhali e-EVA zingamafilimu okupakisha enziwe nge-ethylene-vinyl acetate (EVA) eklanyelwe ukuqukatha nokuthutha izithasiselo zamakhemikhali, okuvumela ukuthi zingeniswe ezinhlelweni zokucubungula ezingezansi njengokuhlanganiswa kwerabha noma ukucubungula i-polymer.
Zivame ukusetshenziselwa:
• Siza ekuvikeleni izithasiselo ekungcoleni kwangaphandle kanye nomswakama
• Lungiselela ukuphathwa kanye nokulinganisa izinto ngobuningi obulawulwayo
• Sekela izinqubo zokudla ezizenzakalelayo noma ezizenzakalelayo kancane
Incazelo:
Izikhwama zokulinganisa ze-EVA ziyizinto zokupakisha ezisebenzayo ezenzelwe ukugcinwa kanye nokulethwa okwengeziwe. Kuye ngokusetshenziswa, zingase zihlale zihlukile kumkhiqizo wokugcina noma zingeniswe enqubweni kanye nokuqukethwe kwazo.
Kwezinye izinhlelo zokusebenza zokuhlanganisa irabha, izikhwama ze-EVA ezincibilika kancane zenzelwe ukuthambisa noma ukuncibilika ngaphansi kwezimo zokucubungula, okuvumela izinto zesikhwama ukuthi zihlakazeke ngaphakathi kwenhlanganisela kanye nezithasiselo. Ezimweni ezinjalo, ukupakishwa kuba yingxenye yefomula yokugcina.
Kungani Izikhwama ze-EVA Ezincibilika Kancane Zibalulekile Ekucutshungulweni Kwesimanje?
Izikhwama ze-Low Melt EVA azisaphathwa njengokupakisha okulula. Emisebenzini eminingi yerabha kanye nokuhlanganisa, ziyingxenye yomsebenzi wokukhiqiza futhi zithonya ngqo:
• Ukuhlakazeka okungeziwe
• Ukuxuba ukuzinza
• Ukuvumelana kweqembu
• Ukusebenza kahle kwenqubo
Ngokwanda kokuzenzakalela kanye nokulawulwa kwenqubo okuqinile, ukuziphatha kobuso befilimu sekuyinto ebalulekile ekusebenzeni, hhayi nje inkinga yokupakisha.
Kungani Izikhwama ze-EVA Ezincibilika Kancane Zivimba Ngokuhamba Kwesikhathi?
Ukuvinjelwa kuvame ukungaqondwa kahle njengenkinga yokungqubuzana. Eqinisweni, ngokuyinhloko kuyinkinga yokuzinza kobuso okubangelwa ukufuduka okungeziwe.
Umbono ovamile: Ukuvinjelwa kwenzeka ngenxa yokushelela okunganele.
Empeleni, ukuvinjelwa kubangelwa ukusatshalaliswa kwezengezo okungazinzile ngokuhamba kwesikhathi.
Indima Yokufuduka Okungeziwe
Ama-slip agent avamile (njenge-fatty amides) asebenza ngokufuduka esuka ebuningini be-polymer aye phezulu.
Nakuba lokhu kunganciphisa ukungqubuzana ekuqaleni, indlela yokusebenza incike ekufudukeni, okuguquguqukayo ngokwemvelo futhi okungazinzile.
Ngokuhamba kwesikhathi, lokhu kungaholela ku:
× Ukusatshalaliswa kwesengezo okungalingani
× Ukuncipha kobuso
× Ukukhukhuleka kwe-coefficient of friction (COF)
× Ukuvela kabusha kokuvinjelwa nokunamathela
Lokhu kuchaza ukuthi kungani amafilimu e-EVA angase asebenze kahle ekuqaleni kodwa anciphe ngesikhathi sokugcina.
Kungani Amafilimu e-VA EVA angu-18–24% Ezwela Kakhulu
Amafilimu e-EVA asezingeni le-VA elingu-18–24% asetshenziswa kabanzi ekusetshenzisweni kwezikhwama zokulinganisa ngenxa yokulinganisela kwawo kokuguquguquka kanye nokucutshungulwa kalula.
Kodwa-ke, okuqukethwe okuphezulu kwe-VA kuyanda:
• Ukungaguquguquki kwezinto ezibonakalayo
• Ukunamathelana kwezingqimba ezimbili
• Ukuzwela izinguquko zamandla angaphezulu
Ngenxa yalokho, la mafilimu athambekele kakhulu ekuvimbeleni nasekusheleleni ukungazinzi lapho ukufuduka kungalawulwa.
Izinhlelo Zokushelela Ezivamile vs Ukungazinzi Kokufuduka
Izinhlelo zokushelela ezivamile zithembele ekwakhekeni kwengqimba engaphezulu ngokufuduka. Imikhawulo yale ndlela:
• Ukusebenza kuncike ekunyakazeni okungeziwe
• Ukuhlushwa kobuso kuyashintsha ngokuhamba kwesikhathi
• Ukungazinzi kwesikhathi eside ku-COF
• Ingozi yokungahambisani ngesikhathi sokugcina nokusetshenziswa
Ezisetshenzisweni zezikhwama ze-EVA ezincibilika kancane, lokhu kungazinzile kubaluleke kakhulu ngoba ifilimu ingena ngqo ohlelweni lokuhlanganisa.
Indlela ephumelela kakhulu igxile ekulawuleni ukuziphatha kwangaphandle ezingeni lokwakheka, kunokuthembela ezithasiselweni ezifudukayo.
I-Masterbatch Engashukumiyo Yokushelela kanye Ne-Anti-Block
I-SILIMER 2506iyi-masterbatch esanda kwethulwa esekelwe ku-silicone kanye ne-anti-block eyenziwe yi-SILIKE, eyenzelwe ngqo izinhlelo zokusebenza zefilimu nezikhwama ze-EVA ze-EVA, okuhlanganisa izikhwama ze-Low Melt EVA, izikhwama zokulinganisa ze-EVA, kanye nezikhwama zemithi ze-EVA.
Isebenzisa i-silicone polymer eguquliwe ngokukhethekile (i-copolysiloxane) njengengxenye esebenzayo. Ngokungafani nezengezo ezivamile zokushelela, ibhekana ngempumelelo nemikhawulo evamile efana nokuna kwemvula ebusweni, ukusebenza kokushelela okungazinzile ngokuhamba kwesikhathi, kanye nokushintshashintsha kokusebenza okubangelwa ukushintsha kwezinga lokushisa.
Izici Eziyinhloko Zesengezo Sefilimu ye-EVA i-SILIMER 2506
• Kuthuthukisa ukuvulwa kwefilimu futhi kuvimbela ngempumelelo ukuvimba ngesikhathi sokucubungula
• Ukuziphatha okungaqhakazi → kuqeda izinkinga ezihlobene nokufuduka
• Akukho ukuwohloka kobuso ngokuhamba kwesikhathi
• Igcina i-coefficient eqinile yokungqubuzana (i-COF)
• Ihlinzeka ngokusebenza kokuphatha okuqhubekayo ngesikhathi sokugcina nokucubungula
Bizinzuzo zezikhwama ze-EVA (izikhwama zemithi) ngokusekelwe kumpendulo evela kubakhiqizi
Ukusebenzisa i-slip engafuduki kanye ne-masterbatch elwa nama-block esikhwameni se-EVA kungabangela:
√Ukondla ifilimu njalo
√ Ukunciphisa ukuvinjelwa ngesikhathi sokugcina
√Ukusebenza okuzinzile kokuvula ngokuhamba kwesikhathi
√Isidingo esincane sokungenelela ngesandla
√Ukuvumelana okuthuthukisiwe kwe-batch-to-batch
Ngokombono wokucubungula:
√Ukuziphatha kokuxuba okubikezelekayo kakhulu
√Ukwehluka okuncishisiwe okubangelwa ukufuduka okungeziwe
√Ukuhambisana okungcono nezinhlelo ezizenzakalelayo
Ububanzi Bokusetshenziswa Kwesengezo Sokushelela Esizinzile SILIMER 2506
Lesi sithako sefilimu esisebenzayo sibaluleke kakhulu ku:
♦ Izikhwama zokulinganisa amakhemikhali ze-EVA
♦Izinhlelo zokupakisha zenjoloba (Izikhwama ze-EVA Ezincibilikayo Eziphansi)
♦Izinhlelo zokudla ezizenzakalelayo ekusebenzeni kokuhlanganisa
♦Amafilimu e-EVA anokuqukethwe kwe-VA okungu-18–24%
Imibuzo Evame Ukubuzwa
1. Kungani izikhwama zokulinganisa ze-EVA / Izikhwama Zemithi / Izikhwama ze-EVA ezincibilika kancane zinamathelana ngokuhamba kwesikhathi?
Ngoba izinto ezivamile zokushelela ziyafuduka ngokungalingani, okuholela ekunciphiseni ubuso kanye nokuqina okukhulu ngesikhathi sokugcina.
2. Yini ebangela ukuvimba kwamafilimu e-EVA (18–24% VA)?
Ukuvinjelwa kubangelwa kakhulu ukufuduka okungeziwe, okuholela emandleni angaphezulu angazinzile kanye nokusatshalaliswa okungalingani ngokuhamba kwesikhathi.
3. Kungavinjelwa kanjani ukuvimba izikhwama zokulinganisa ze-EVA/Izikhwama ze-EVA Ezincibilika Kancane?
Ngokunciphisa ukuthembela kuma-ejenti okushelela afudukayo nokusebenzisa amasu okwakha aqinisa izakhiwo zomhlaba ngaphandle kokufuduka.
4. Kungani ukwandisa umthamo wokushelela kungaxazululi inkinga?
Ukwengeza ukushelela okwengeziwe kungenza kube kubi kakhulu ukungalingani kokufuduka, okuholela ekusebenzeni okungazinzile kwesikhathi eside kunokuxazulula imbangela eyinhloko.
5. Iyini inzuzo ye-non-migrating slip kanye ne-Anti-Block Masterbatch?
I-SILIKE SILIMER 2506 slip kanye ne-anti-Block masterbatch iyisengezo esingasheleli futhi esilwa nokuvimba, esinikeza ukuhambisanaukusebenza komphezulu ngokuhamba kwesikhathi ngaphandle kokuqhakaza noma ukuncipha, okuthuthukisa ukuzinza kokuphatha nokunciphisa ukuguquguquka.
Kungakhathaliseki ukuthi usebenzisa i-EVA Chemical Dosing Bags noma i-Low Melt EVA Bags ye-Rubber Additives, xhumana ne-SILIKE ukuze ufunde kabanzi ngefilimu esebenzayo.izithasiselo ze-SILIMER2506 nokuthi ingasiza kanjani ekuvimbeleni ukuvimba nokushelela ukungazinzi kumafilimu e-EVA ngaphandle kokufuduka.
Tel: +86-28-83625089 or via Email: amy.wang@silike.cn. Website:www.siliketech.com
Isikhathi sokuthunyelwe: Ephreli-01-2026
