Labarai

Kuna neman inganta layin marufi ko inganta aikin laminated? Wannan jagorar mai amfani yana bincika mahimman ka'idoji, zaɓin kayan aiki, matakan sarrafawa, da dabarun magance matsala a cikin rufin extrusion (wanda kuma aka sani da lamination) - fasaha ce da ake amfani da ita sosai a cikin marufi, likitanci, motoci, da sassan masana'antu.

Menene Lamination (rufin extrusion) kuma yaya yake aiki?

Lamination, ko extrusion shafi, wani tsari ne wanda ya ƙunshi shafa narkakkar filastik (mafi yawan polyethylene, PE) daidai a kan abubuwan da ba a saka ba, kamar takarda, masana'anta, kayan saƙa, ko foil na aluminum. Yin amfani da na'urar extrusion, filastik yana narkar da shi, mai rufi, da sanyaya don samar da tsari mai hade.

Babban ƙa'idar ita ce a yi amfani da ruwan narkakkar filastik a babban yanayin zafi don cimma matsatsin haɗin gwiwa tare da abin da ake amfani da shi, don haka ƙara kaddarorin shinge, ƙulla zafi, da dorewa ga kayan tushe.

Maɓallin Tsarin Tsarin Lamination

1. Raw Material Preparation: Zaɓi nau'i-nau'i masu dacewa na filastik (misali, PE, PP, PLA) da kayan aiki (misali, takarda budurwa, masana'anta maras saka).

2. Narkewar Filastik da Fitarwa: Ana shigar da pellet ɗin filastik a cikin abin da ake fitarwa, inda ake narkar da su zuwa wani ruwa mai ɗanɗano a yanayin zafi. Ana fitar da robobin da aka narkar da shi ta hanyar T-die don samar da narke mai kama da fim.

3. Rufewa da Haɗawa: Fim ɗin filastik da aka narkar da shi daidai an lulluɓe shi a saman abin da ba a taɓa gani ba a ƙarƙashin kulawar tashin hankali. A wurin shafa, robobin da aka narkar da narkakkar da abin da ke ciki suna haɗe tare a ƙarƙashin aikin matsi.

4. Cooling da Saiti: Abubuwan da aka haɗa da sauri suna wucewa ta cikin rollers masu sanyaya, ƙyale ƙwarƙwarar filastik ta yi sanyi da sauri da ƙarfafawa, samar da fim ɗin filastik mai ƙarfi.

5. Winding: An sanyaya da saitin kayan haɗin gwal da aka yi da shi a cikin nadi don sarrafawa da amfani na gaba.

6. Zabin Matakai: A wasu lokuta, don inganta mannewa na laminated Layer ko inganta surface Properties, da substrate iya sha corona magani kafin shafi.

Jagoran Zaɓin Zaɓuɓɓuka da Filastik don Shafi ko Lamination

Abubuwan da ke cikin aikin lamination da farko sun haɗa da kayan aiki da kayan laminating (filastik).

1. Substrates

2. Kayan Laminating (Filastik)

• Polyethylene (PE)

LDPE: Kyakkyawan sassauci, ƙarancin narkewa, manufa don lamination takarda.

LLDPE: Babban ƙarfin juriya da juriyar huda, galibi ana haɗe shi da LDPE.

HDPE: Yana ba da tsayin daka da aikin shinge, amma ya fi wahalar aiwatarwa.

• Polypropylene (PP)

Mafi kyawun juriya na thermal da rigidity fiye da PE. Mafi dacewa don aikace-aikacen haifuwa mai zafi.

• Filastik da za a iya lalata su

PLA: Mai bayyanawa, mai yuwuwa, amma iyakance a cikin juriya na zafi.

PBS/PBAT: Mai sassauƙa da sarrafawa; dace da dorewa marufi mafita.

• Na Musamman Polymers

EVOH: Kyakkyawan shingen oxygen, galibi ana amfani da shi azaman tsaka-tsaki a cikin marufi na abinci.

Ionomers: Babban tsabta, juriya mai, kyakkyawan hatimi.

Matsaloli gama-gari da Magani a cikin Rufewa da Lamination:Jagoran Gyaran Matsalar Aiki

1. Adhesion / Toshe Batutuwa

Dalilai: Rashin isasshen sanyaya, matsanancin iska mai ƙarfi, rashin isasshen ko rashin daidaituwa na tarwatsawa na wakili na hana toshewa, yawan zafin jiki, da zafi.

Magani: Ƙananan sanyi nadi zafin jiki, ƙara lokacin sanyaya; daidai rage iska tashin hankali; haɓaka ko haɓaka adadin da tarwatsa abubuwan hana hana toshewa (misali, erucamide, oleamide, silica, SILlKE SILIMER series super slip and anti-blocking masterbatch); inganta yanayin zafi da zafi a cikin yanayin samarwa.

Gabatar da Silsilar SILIKE SILIMER: Zamewa Mai Hakuri da Anti-Blocking Masterbatch don Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Fina-Finan Daban-daban da kuma Polymers da aka gyara.

Mabuɗin Amfanin Zamewa da wakilai na hana toshewa don Fina-finan Polyethylene

•Ingantaccen zamewa da aikin buɗe fim

• kwanciyar hankali na dogon lokaci a ƙarƙashin yanayin zafi mai zafi

• Babu hazo ko foda ("babu furanni" sakamako)

• Babu mummunan tasiri akan bugu, rufewar zafi, ko lamination

• Yana haɓaka kwararar narke da tarwatsa pigments, filler, da ƙari masu aiki a cikin tsarin guduro.

Maganganun Abokin Ciniki - Rubutun Fitarwa ko Maganin Aikace-aikacen Lamination:
Masana'antun fina-finai na filastik da ke amfani da tsarin lamination da extrusion shafi suna ba da rahoton cewa SILIMER zamewa da jami'an hana toshewa suna magance matsalolin mannewar lebe kuma suna haɓaka ingantaccen aiki a cikin suturar tushen PE.

2. Rashin isassun Ƙarfin Kwasfa (Delamination):

Dalilai: Ƙarfin ƙasa mai ƙarancin ƙarfi, ƙarancin jiyya na corona, ƙarancin zafin jiki mai ƙarancin ƙarfi, ƙarancin shafi, da rashin daidaituwa tsakanin filastik da ƙasa.

Magani: Inganta tasirin jiyya na korona akan substrate; yadda ya kamata ƙara extrusion zafin jiki don inganta wettability na narkewa zuwa substrate; ƙara matsin lamba; zaɓi Kayan laminating tare da ingantacciyar dacewa tare da ma'auni, ko ƙara wakilai masu haɗawa.

3. Lalacewar saman (misali, taki, idanun kifi, nau'in kwasfa na lemu):

Dalilai: Najasa, kayan da ba a narkewa ba, danshi a cikin albarkatun filastik; rashin tsabtar matattu; m extrusion zafin jiki ko matsa lamba; m sanyi.

Magani: Yi amfani da inganci, busassun albarkatun albarkatun filastik; a kai a kai tsaftace mutu da extruder; inganta extrusion da sanyaya sigogi.

4. Rashin Kauri:

Dalilai: Mutuwar zafin jiki mara daidaituwa, rashin daidaituwar tazarar leɓe mai mutuƙar mutu, sawa mai tsaftataccen ruwa, kauri mara daidaituwa.

Magani: Daidai sarrafa yawan zafin jiki; daidaita mutuwar lebe; kullum kula da extruder; tabbatar da ingancin substrate.

5. Rashin Lalacewar Zafi:

Dalilai: Rashin isassun kauri mai kauri, rashin daidaituwar zafin jiki na zafi, zaɓi mara kyau na kayan laminating.

Magani: Daidaita ƙara girman laminated; inganta zafi-rufe zafin jiki, matsa lamba, da lokaci; zaɓi kayan laminating tare da ingantattun kaddarorin zafi mai rufewa (misali, LDPE, LLDPE).

Bukatar Taimako Haɓaka Layin Lamination ɗinku ko Zaɓan DamaAdditives don Fim ɗin Filastik da Marufi masu sassauƙa?
Haɗa tare da ƙungiyar fasaha ta mu ko bincika abubuwan ƙari na tushen silicone na SILIKE waɗanda aka keɓance don masu canza marufi.

Jerin SILIMER ɗin mu yana ba da ɗorewa mai ɗorewa da aikin hana toshewa, haɓaka ingancin samfur, rage lahanin saman ƙasa, da haɓaka haɓakar lamination.

Yi bankwana da batutuwa kamar hazo fari fari, ƙaura, da kaddarorin fim marasa daidaituwa.

A matsayin amintaccen masana'anta na kayan ƙara fim ɗin filastik, SILIKE yana ba da cikakkiyar kewayon zamewar hazo da matakan hana toshewa da aka tsara don haɓaka aiki da aiwatar da fina-finai na tushen polyolefin. Fayil ɗin samfurin mu ya haɗa da abubuwan da ke hana hana toshewa, zamewa da hana toshe masterbatches, wakilai masu zamewa na tushen silicone, matsanancin zafin jiki da kwanciyar hankali, abubuwan ƙari na zamewa na dindindin, kayan aikin multifunctional, da ƙari na fim na polyolefin. Wadannan mafita suna da kyau don aikace-aikacen marufi masu sassauƙa, suna taimaka wa masana'antun su sami ingantaccen ingancin ƙasa, rage hana fim, da haɓaka haɓakar samarwa.

Tuntube mu aamy.wang@silike.cn don gano mafi kyawun ƙari don fina-finai na filastik ku da buƙatun samar da marufi masu sassauƙa.