Polybutylene terephthalate (PBT), wani polyester da aka yi ta hanyar polycondensation na terephthalic acid da 1,4-butanediol, muhimmin polyester ne mai thermoplastic kuma ɗaya daga cikin manyan robobi biyar na injiniya.
Halayen PBT
- Kayayyakin injina: Ƙarfi mai yawa, juriya ga gajiya, kwanciyar hankali mai girma, da ƙarancin rarrafe (ko da a yanayin zafi mai yawa).
- Juriyar tsufa da zafi: Ingantaccen ma'aunin zafin jiki na UL na 120-140℃ (kyakkyawan juriya ga tsufa na waje na dogon lokaci).
- Juriyar sinadaran: Babu tsagewar damuwa.
- Daidaiton ruwa: PBT yana iya ruɓewa idan ya taɓa ruwa (a yi amfani da shi da taka tsantsan a yanayin zafi mai yawa da kuma yanayin zafi mai yawa).
Yawancin resin PBT ana sarrafa su zuwa gauraye, ana gyara su da ƙarin abubuwa daban-daban, sannan a haɗa su da wasu resins don samun kyakkyawan juriya ga zafi, jinkirin wuta, rufin lantarki, da sauran cikakkun halaye na aiki, da kuma kyakkyawan aikin sarrafawa. Ana amfani da shi sosai a cikin kayan lantarki, motoci, kera jiragen sama, sadarwa, kayan gida, sufuri, da sauran masana'antu.
Aikace-aikacen PBT
- Kayan Lantarki da Kayan Wutar Lantarki: Masu katse wutar lantarki marasa fuse, makullan lantarki, na'urorin canza wutar lantarki, maƙallan kayan aiki, masu haɗawa, da kuma gidaje.
- Motoci: Hannun ƙofa, bumpers, murfin diski na rarrabawa, fenders, murfin ƙafafun, da sauransu.
- Sassan Masana'antu: Fanka, madannai, na'urorin kamun kifi, sassa, inuwar fitila, da sauransu.
PBT yana da sauƙin sarrafawa kuma ana iya ƙera shi ko kuma a fitar da shi daga allura. Kayayyakin PBT suna da takamaiman buƙatu don ƙarewar saman da juriya ga karce. Akwai hanyoyi da yawa don haɓaka santsi na samfuran da aka ƙera ta hanyar allurar PBT, kamar ƙara ƙarin kayan silicone/siloxane na yau da kullun kamar man silicone, ruwayen silicone, kobabban nau'in silicone mai nauyin kwayoyin halitta (siloxane masterbatch).
Duk da haka, a zahiri samarwa da sarrafawa, masana'antun da yawa sun gano cewa amfani da ƙananan ƙwayoyin silicone na iya haifar da lahani ga samfurin PBT, wanda hakan ke shafar inganci. Ga wasu matsaloli da aka saba fuskanta da amfani da ƙananan ƙwayoyin silicone:
- Kayayyakin PBTRashin isasshen santsi a saman:
Ƙarin silicone mai ƙarancin nauyin ƙwayoyin halitta yana da babban rabon resin da ƙarancin abun ciki na silicone. Duk da cewa waɗannan ƙarin ba su da araha, sau da yawa ba sa cika buƙatun tasirin saman kuma gabaɗaya suna buƙatar a ƙara su da babban rabo don su yi tasiri. Ana ba da shawarar a zaɓiƘarin silicone mai nauyin ƙwayoyin halitta mai matuƙar girmadon cimma kyakkyawan ingancin saman tare da ƙaramin ƙari.
- Kayayyakin PBTFuskokin da ke mannewa da kuma ruwan sama:
Ƙara ƙarin silicone masu ƙarancin nauyin ƙwayoyin halitta da yawa na iya sa su yi ƙaura zuwa saman kan lokaci, wanda ke haifar da ruwan sama. Ana ba da shawarar a yi amfani da shiƘarin silicone mai nauyin ƙwayoyin halitta mai matuƙar girmaIdan aka kwatanta da ƙarin silicone/siloxane na yau da kullun kamar man silicone, ruwan silicone, ko wasu kayan aikin sarrafawa,babban ƙarfin silicone na musamman na ƙwayoyin halittayana bayar da ingantattun fa'idodi, Kamfanoni kamar SILIKE suna bayar daJerin SILIKE LYSI na Ultra-High Molecular Weight Silicone Masterbatch.
Inganta laushin saman a cikin samfuran allurar PBT tare daSILIKEJerin LYSIBabban Batch na Silicone Mai Nauyin Kwayoyin Halitta Mai Tsada
Jerin SILIKE LYSI na silicone mai nauyin kwayoyin halitta mai matuƙar girma (siloxane masterbatch)wani tsari ne na pelletized wanda aka yi da pelletizedpolymer mai nauyin ƙwayoyin siloxane mai matuƙar girmaAn rarraba shi a cikin nau'ikan masu ɗaukar resin daban-daban. Ana amfani da shi sosai a matsayin ƙarin aiki mai inganci a cikin tsarin resin masu jituwa don inganta halayen sarrafawa da kuma inganta ingancin saman.
SILIKE LYSI-408Babban sinadarin silicone mai nauyin kwayoyin halitta mai yawan gaske wani tsari ne da aka yi da pelletized wanda ke da sinadarin siloxane mai nauyin kwayoyin halitta mai yawan gaske wanda aka watsa a cikin polyester (PET). Ana amfani da shi sosai a matsayin ƙarin ƙari mai inganci ga tsarin resin PET da PBT masu jituwa don inganta halayen sarrafawa da ingancin saman.
ƘaraBabban ma'aunin silicone mai nauyin kwayoyin halitta mai girman SILIKE (siloxane masterbatch) LYSI-408Idan aka kwatanta da PBT, to 0.2 ~ 1% na iya samar da waɗannan fa'idodi:
- Ana sa ran inganta sarrafawa da kwararar resin.
- Cika mold mafi kyau.
- Ƙarancin ƙarfin fitar da iska da kuma man shafawa na ciki.
- Sauƙin sakin mold da kuma saurin fitarwa.
A manyan matakan ƙari (2 ~ 5%)naBabban rukunin silicone mai nauyin ƙwayoyin cuta mai ƙarfi na SILIKE, za a iya samun fa'idodi masu zuwa:
- Ingantaccen yanayin saman.
- Ƙara man shafawa, zamewa, da kuma ƙarancin yawan gogayya.
- Inganta juriyar lalacewa da karce.
A gaskiya ma, akwai ƙarin tambayoyi game da samfuran gyaran PBT waɗanda ba a lissafa su a nan ba. Idan kuna da wasu tambayoyi game da samfuran gyaran PBT, kuna iya tuntuɓar SILIKE. Mu manyan masu samar da ƙarin kayan filastik ne da aka gyara, muna ba da mafita masu ƙirƙira don haɓaka aiki da aikin kayan filastik. Tare da shekaru na ƙwarewa da ƙwarewa a masana'antar, mun ƙware wajen haɓakawa da ƙera ƙarin kayan ƙari masu inganci waɗanda ke inganta halayen injina, zafi, da sarrafawa na robobi.
Contact us at Tel: +86-28-83625089 or via email: amy.wang@silike.cn. Visit our website: www.siliketech.com to learn more.
Lokacin Saƙo: Yuni-28-2024
