Nucleating wakili ne wani nau'i ne na sabon aikin ƙari wanda zai iya inganta jiki da na inji Properties na kayayyakin kamar nuna gaskiya, surface mai sheki, tensile ƙarfi, rigidity, zafi murdiya zafin jiki, tasiri juriya, creep juriya, da dai sauransu ta hanyar canza crystallization hali na resins. . An yi amfani da shi sosai a cikin tsarin samar da robobin da ba su cika cika ba kamar polyethylene da polypropylene a cikin motoci, kayan gida, abinci, kayan lantarki, da filayen likitanci. Misali, wakili na nucleating abu ne mai mahimmanci a cikin samar da resins masu girma kamar babban narke index polypropylene, sabon tsayi mai tsayi, babban ƙarfi, da polypropylene mai girma-crystallinity, β-crystalline polypropylene, da kayan polypropylene da aka gyara don mota. aikace-aikace na bakin ciki. Ta hanyar ƙara takamaiman nau'ikan nucleating, ana iya samar da resins tare da ingantaccen nuna gaskiya, tsauri, da tauri. Tare da haɓakar haɓakar haɓakar cikin gida na polypropylene mai girma wanda ke buƙatar ƙari na abubuwan haɓakawa da saurin haɓakar buƙatun ƙarancin nauyi na kera motoci da masu raba batirin lithium, akwai yuwuwar ci gaba mai yawa ga kasuwar wakili na nucleating a ciki.
Akwai nau'ikan iri da yawanucleating jamiái, kuma aikin samfurin su yana ci gaba da ingantawa. Dangane da nau'ikan nau'ikan kristal daban-daban waɗanda masu haɓakawa suka haifar, ana iya raba su zuwa α-crystalline nucleating agents da β-crystalline nucleating agents. Kuma α-crystalline nucleating jamiái za a iya ƙara classified cikin inorganic, Organic, da kuma polymer iri dangane da tsarin bambance-bambancen. Abubuwan da ke haifar da inorganic sun haɗa da abubuwan da aka haɓaka da wuri kamar su talc, calcium oxide, da mica, waɗanda ba su da tsada kuma suna da sauƙin samu amma suna da ƙarancin haske da kyalli. Organic nucleating jamiái yafi hada da carboxylic acid karfe salts, phosphate karfe salts, sorbitol benzaldehyde Kalam, da dai sauransu. , kuma mafi girma nau'in 'yan ucheating jami'in nunin nuche da na duniya da na duniya. Manufofin nuclea na polymer sun fi narke-maki-daki na polymeric nucleating, irin su polyvinylcyclohexane da polyvinylpentane. β-lu'ulu'u ya ƙunshi nau'ikan biyu: karamin adadin mahaɗan polycycylic tare da oxidbboxylic acid, da hydroxylics, da kuma salts na kwandon kudi. β-crystalline nucleating jamiái tabbatar da thermal nakasar zafin jiki na kayayyakin yayin da inganta tasirin su.
Misalai na Ayyukan Samfur da Aikace-aikace na Wakilan Nukliya
| Kayayyaki | Bayanin Aiki | Aikace-aikace |
| Wakilin Nukiliya Mai Fassara | Zai iya inganta gaskiya sosai na resin, rage hazo da fiye da 60%; yayin da ƙara zafi murdiya zafin jiki da crystallization zafin jiki na resin ta 5 ~ 10 ℃, da kuma inganta flexural modules da 10% ~ 15%. Hakanan yana rage zagayowar gyare-gyare. yana haɓaka ingancin samarwa, kuma yana kiyaye daidaiton girman samfurin. | Babban Melt Index Polypropylene (ko High MI Polypropylene) |
| Mai Rikicin Nukiliya | Yana iya inganta mahimmancin kayan aikin injiniya na guduro, tare da karuwa a cikin flexural modules da lankwasawa sama da 20%, da kuma karuwar zafin jiki na murdiya da 15 ~ 25 ℃. Hakanan ana samun cikakkiyar daidaituwa da daidaituwa ta fannoni daban-daban kamar zafin jiki na crystallization da ƙarfin tasiri, yana haifar da daidaitaccen raguwa da raguwar nakasar samfurin. | Babban Narke Fihirisar Polypropylene, Sabon Babban Tsari, Ƙarfin ƙarfi, da High-Crystallization Polypropylene, Abubuwan Polypropylene Gyaran don Aikace-aikacen Bakin Bakin-Babu Automotive |
| β-Crystalline Toughening Nucleating Agent | Yana iya da kyau haifar da samuwar β-crystalline polypropylene, tare da ƙimar juzu'in β-crystalline sama da 80%, yana inganta tasirin tasirin resin polypropylene, kuma haɓakawa zai iya kaiwa fiye da sau 3. | Babban Narke Fihirisar Polypropylene, Sabon Babban Tsari, Babban Tauri, da Babban-Crystallization Polypropylene, β-Crystalline Polypropylene |
Lokacin aikawa: Mayu-13-2024