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TarihinSilicone Additives / Silicone masterbatch/ Siloxane masterbatchda yadda yake aiki a cikiwaya & na USB mahadimasana'antu?

Silicone Additives tare da50% silicone polymer mai aikitarwatsa a cikin m kamar polyolefin ko ma'adinai , tare da nau'i na granular ko foda, yadu amfani da matsayin aiki AIDS a waya & na USB masana'antu. Sanannun samfuran kamarSILOXANE MB50jerin suna aiki azaman mai gyara mai ko rheological a cikin masana'antar waya & USB kuma an fara gabatar dashi daga Dow Corning a Amurka shekaru ashirin da suka gabata, sannanmadadin SILICONE MASTERBATCH MB50ya bayyana a kasuwa da70% silicone polymer mai aikitarwatsa a cikin dillali kamar silica, tare da nau'i na granular kuma, sannan samfurori daga Chengdu Silike sun bayyana a kasuwa daga shekarar 2004, tare da abun ciki na silicone daga 30-70% da granular ko foda.

Siffofin fasaha na masterbatch silicone na kasuwanci yakamata su haɗa da abun ciki mai zuwa:

(1) Lokacin aiki azaman mai mai ko mai gyara rheological, abun ciki ya bambanta daga 5 zuwa 50%

(2) Mai ɗaukar kaya yakamata ya dace da silicone kuma yakamata a yi la'akari da babban madaidaicin dabarar mai amfani, tare da nunin sunan polymer da narke index na mai ɗaukar hoto, ta yadda masu amfani za su iya komawa gare shi lokacin zayyana dabarar. Idan an yi amfani da foda mai ma'adinai na inorganic a matsayin mai ɗauka, ya kamata a nuna sunan foda. Farin fari da laushi na foda na inorganic suna da mahimmanci ga abokan ciniki, kuma ya kamata a zaɓi fari da ƙananan foda kamar yadda zai yiwu don samarwa.

Lokacin aiki azaman mai mai ko rheological gyare-gyare

Don kayan polyethylene

Kamar yadda aka sani, al'amarin "fatar shark" yakan faru ne lokacin da ake fitar da polyethylene da aka rufe ko kuma wayoyi da igiyoyi, musamman ma lokacin fitar da ƙananan ƙananan ƙananan polyethylene (LLDPE) ko ultra-low density polyethylene (ULDPE ko POE). Abubuwan polyethylene masu haɗin giciye (ko peroxide cross-linking ko silane cross-linking) kuma lokaci-lokaci suna fuskantar yanayin "fatar shark", saboda rashin isasshen la'akari da tsarin lubrication a cikin dabarar kayan. Ayyukan kasa da kasa na yanzu shine ƙara yawan adadin fluoropolymers zuwa dabarar, amma farashin yana da girma kuma aikace-aikacen yana iyakance.

Tare da ƙaramin adadinultra-high kwayoyin nauyi silicone(0.1-0.2%) zuwa polyethylene ko polyethylene mai haɗin giciye zai iya hana haɓakar "fatar shark". A lokaci guda kuma, tare da tasirin sa mai, yana iya rage tasirin extrusion yadda ya kamata don hana jan motar daga tsayawa saboda nauyi.

Silicone da aka yi amfani da shi azaman mai mai, saboda ƙarancin ƙarawa, dole ne a rarraba shi daidai a cikin kayan don yin aiki yayin aiki. Saboda rashin kuzarin sinadarai na silicone, ba zai amsa sinadarai tare da abubuwan da ke cikin dabarar ba. Ana ba da shawarar cewa masana'antar kayan kebul a ko'ina ta haɗu da silicone a cikin tsarin granulation na filastik don sauƙaƙe amfani da masana'antar kebul.

DominHalogen free flame retardent (HFFR) mahadi na USB 

Saboda kasancewar babban adadin wutar lantarki (ma'adinai foda) a cikin mahaɗin kebul na HFFR, wanda ke haifar da babban danko da rashin ƙarfi yayin aiki; Babban danko yana sa ya zama mai wahala ga motar don jawowa yayin extrusion, kuma rashin ruwa mara kyau yana haifar da ɗan ƙaramin manne da aka samar yayin extrusion. Don haka, lokacin da masana'antar kebul ta fitar da igiyoyi marasa amfani da halogen, ingantaccen aiki shine kawai 1 / 2-1 / 3 na kebul na polyvinyl chloride.

Tare da wani adadin silicone a cikin dabara, ba kawai aiki kamar flowability inganta amma kuma samun mafi alhẽri harshen retardanancy ga abu.