Aika Imel
Distearyl thiodipropionate; Antioxidant DSTDP, ADCHEM DSTDP
samfurin daki-daki
DSTDP Foda DSTDP Pastille Sunan Chemical: Distearyl thiodipropionate Chemical dabara: S (CH2CH2COOC18H37) 2 Nauyin kwayoyin: 683.18 CAS No.: 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. Synonym Antioxidant DSTDP, Irganox PS 802, Cyanox Stdp 3,3-Thiodipropionic acid di-n-octadecyl ester Distearyl 3,3-thiodipropionate Antioxidant DSTDP Distearyl thiodipropionate Antioxidant-STDP 3,3'-Thiodipropionate Antioxidant-STDP 3,3'-Thiodipropionate. Bayyanar: White crystalline foda / Pastilles Ash: Max.0.10% Narke batu: 63.5-68.5 ℃ Aikace-aikace Antioxidant DSTDP ne mai kyau karin antioxidant da aka yadu amfani a polypropylene, polyethylene, polyvinyl chloride, ABS da lubricating man fetur. 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 yin amfani da masana'antu, za ka iya m koma zuwa wadannan biyar ka'idoji don zaɓar: 1. Kwanciyar hankali A lokacin samar da tsari, da antioxidant ya kamata ya kasance barga, ba sauƙi volatilized, ba discolored (ko ba a canza launin), ba bazuwar, ba reacted tare da sauran sinadaran Additives, kuma ba amsa tare da sauran sinadaran Additives a lokacin amfani yanayi da kuma high-zazzabi aiki. Sauran abubuwa a saman suna musayar kuma ba za su lalata kayan aikin samarwa ba, da dai sauransu. 2. Daidaitawa A 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 A hadawan abu da iskar shaka dauki na mafi yawan kayayyakin, yafi faruwa a cikin m Layer, wanda na bukatar ci gaba da canja wurin da antioxidants daga ciki na samfurin zuwa surface aiki. Koyaya, idan ƙimar canja wuri ya yi sauri, yana da sauƙi don canzawa cikin yanayin kuma a rasa. Wannan asara ba ta yiwuwa, amma za mu iya farawa da ƙirar ƙira don rage asarar. 4. Yin aiki Idan bambanci tsakanin ma'anar narkewa na antioxidant da kewayon narkewar kayan aiki ya yi girma sosai, abin da ke faruwa na drift anti-oxidant ko kuma dunƙule anti-oxidant zai faru, yana haifar da rashin daidaituwa na rarraba 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 guduro kafin amfani. 5. Tsaro Dole ne a sami aiki na wucin gadi a cikin tsarin samarwa, don haka antioxidant ya kamata ya zama maras guba ko maras kyau, mara ƙura ko ƙura, kuma ba zai haifar da wata illa ga jikin mutum ba yayin sarrafawa ko amfani da shi, kuma ba zai gurɓata muhalli ba. 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.