Distearyl thiodipropionate;Antioxidant DSTDP, ADCHEM DSTDP
DSTDP Foda
DSTDP Pastille
Sunan sinadarai:Distearyl thiodipropionate
Tsarin sinadarai:S (CH2CH2COOC18H37)2
Nauyin kwayoyin halitta:683.18
Lambar CAS:693-36-7
Bayanin kaddarorin: Wannan samfurin shine farin crystalline foda ko granules.Mai narkewa a cikin ruwa, mai narkewa a cikin benzene da toluene.
Synonymous
Antioxidant DSTDP,
Irganox PS802, Cyanox Stdp
3,3-Thiodipropionic acid di-n-octadecyl ester
Distearyl 3,3-thiodipropionate
Antioxidant DSTDP
Distearyl thiodipropionate
Antioxidant-STDP
3,3'-Thiodipropionic acid dioctadecyl ester
Ƙayyadaddun bayanai
Bayyanar: White crystalline foda / Pastilles
Ash: Max.0.10%
Matsayin narkewa: 63.5-68.5 ℃
Aikace-aikace
DSTDP Antioxidant shine ingantaccen maganin antioxidant mai ƙarfi kuma ana amfani dashi sosai a cikin polypropylene, polyethylene, polyvinyl chloride, ABS da mai mai mai.Yana da babban narkewa da rashin ƙarfi.
Hakanan za'a iya amfani da DSTDP a hade tare da phenolic antioxidants da ultraviolet absorbers don samar da tasirin daidaitawa.
Daga hangen nesa na amfani da masana'antu, zaku iya komawa zuwa ka'idoji biyar masu zuwa don zaɓar:
1. Kwanciyar hankali
A lokacin aikin samarwa, antioxidant ya kamata ya kasance da kwanciyar hankali, ba sauƙi mai sauƙi ba, ba a canza launi ba (ko ba mai launi ba), ba a lalata ba, ba a amsa tare da sauran abubuwan da ke tattare da sinadaran ba, kuma ba a amsa tare da sauran abubuwan da ke tattare da sinadarai ba yayin yanayin amfani da yanayin zafi mai zafi.Ana musayar wasu abubuwa a saman kuma ba za su lalata kayan aikin samarwa ba, da sauransu.
2. Daidaituwa
Macromolecules na polymers na filastik gabaɗaya ba polar ba ne, yayin da kwayoyin antioxidants suna da digiri daban-daban na polarity, kuma biyun suna da rashin daidaituwa.Ana shigar da kwayoyin antioxidants tsakanin kwayoyin polymer yayin warkewa.
3. Hijira
Halin iskar oxygenation na yawancin samfuran yana faruwa ne a cikin madaidaicin Layer, wanda ke buƙatar ci gaba da canja wurin antioxidants daga ciki na samfurin zuwa saman don yin aiki.Koyaya, idan ƙimar canja wuri ya yi sauri, yana da sauƙi don canzawa cikin yanayi kuma a rasa.Wannan asara ba ta yiwuwa, amma za mu iya farawa da ƙirar ƙira don rage asarar.
4. Yin aiki
Idan bambancin wurin narkewar maganin antioxidant da kewayon narkewar kayan sarrafawa ya yi girma sosai, al'amarin drift anti-oxidant ko ƙulle-ƙulle na anti-oxidant zai faru, yana haifar da rarrabawar antioxidant a cikin samfurin.Sabili da haka, lokacin narkewar maganin antioxidant ya yi ƙasa da yanayin sarrafa kayan abu da fiye da 100 ° C, yakamata a sanya maganin antioxidant ya zama babban nau'in taro, sannan a haɗe shi da resin kafin amfani.
5. Tsaro
Dole ne a sami aiki na wucin gadi a cikin tsarin samarwa, don haka antioxidant ya kamata ya zama mara guba ko maras kyau, mara ƙura ko ƙananan ƙura, kuma ba zai haifar da wani lahani ga jikin mutum ba yayin sarrafawa ko amfani da shi, kuma ba zai gurɓata ba. zuwa muhallin da ke kewaye.Babu cutarwa ga dabbobi da tsirrai.
Antioxidants wani muhimmin reshe ne na polymer stabilizers.A cikin tsarin sarrafa kayan aiki, dole ne a biya ƙarin hankali ga lokaci, nau'in da adadin adadin antioxidants da aka kara don kauce wa gazawar saboda abubuwan muhalli.