Menene ke haifar da delamination na nailan fim bayan surface lamination sa'an nan tafasa?
Saboda yanayin shayar da danshi, ƙarfin kwasfa zai shafi wani ɗan lokaci, kuma bayan aiwatar da bugu na saman, lamination sannan kuma tafasa ko sake dawowa, abin da ya faru na delamination na fim ɗin nailan yana ƙaruwa.Don haka, ba za a iya amfani da mannen Boiled gabaɗaya a cikin zafin jiki da ke ƙasa da 121 ℃.A cikin tsarin BOPA / / PE (115 ℃) da BOPA / / CPP (121 ℃), kawai retort m tare da 135 ℃ juriya za a iya amfani da, da kuma ƙara m sashi daidai.Bugu da ƙari, yana da kyau a yi amfani da murfin ruwa don hana danshi daga mamaye fim din nailan.
Me yasaBOPA fimlaminated da wasu kayan na ɗan lokaci suna samar da ƙananan kumfa?
BOPA abu ne mai kyau na shinge.Idan akwai sauran sauran kaushi da yawa a cikin aiwatar da bugu da lamination, za su kasance a cikin fim ɗin interlayer idan ba za su iya ƙafe ta cikin fim ɗin ba bayan sun warke.Wannan shi ne saboda ragowar ruwa yana amsawa tare da ƙungiyar isocyanate a cikin wakili na warkewa don samar da ragowar iskar gas wanda carbon dioxide ya mamaye.
Ta yaya ƙananan kumfa tare da sundries ke fitowa a cikin fim yayin lamination?
Dalilan da ke haifar da qananan kumfa da abubuwan da ke cikin fim ɗin lamination sun haɗa da,
1) Kura a kan m da fim surface.
2) Ƙananan ramuka a cikin fim din.
3) Datti yana fadowa a kan fuskar fim ta cikin akwatin bushewa.
4) Tsaftar muhalli a kusa da taron bita.
5) Large a tsaye wutar lantarki a kan fim surface adsorbs sundries daga iska.
Lokacin aikawa: Nuwamba-12-2021