Gudun man fetur (guduro na hydrocarbon)
Resin man fetur wani sabon sinadari ne da aka haɓaka a cikin 'yan shekarun nan. An yi masa suna ne bayan tushen abubuwan da ake samu na man fetur. Yana da halaye na ƙananan ƙimar acid, rashin daidaituwa mai kyau, juriya na ruwa, juriya na ethanol da juriya na sinadarai, da kuma kyakkyawan kwanciyar hankali ga acid da alkali. , kuma yana da kyau danko daidaitawa da thermal kwanciyar hankali, low price. Ba a amfani da resin man fetur gabaɗaya, amma ana amfani da su tare azaman ƙararrawa, masu daidaitawa, masu gyarawa da sauran resins. Ana amfani da shi sosai a cikin roba, adhesives, sutura, takarda, tawada da sauran masana'antu da filayen.
Gabaɗaya, ana iya rarraba shi azaman C5 aliphatic, C9 aromatic (hydrocarbons aromatic), DCPD (cycloaliphatic, cycloaliphatic) da monomers masu tsabta kamar poly SM, AMS (alpha methyl styrene) da sauran nau'ikan samfuran guda huɗu, ƙwayoyin halittar sa duk hydrocarbons , don haka ana kiransa resins hydrocarbon (HCR).
Dangane da albarkatun albarkatun kasa daban-daban, an raba shi zuwa guduro Asiatic (C5), resin alicyclic (DCPD), resin aromatic (C9), resin aliphatic/ aromatic copolymer (C5/C9) da guduro mai hydrogenated. C5 hydrogenated guduro man fetur, C9 hydrogenated guduro man fetur guduro
Abubuwan da aka fi amfani dasu sune
Gudun man fetur na C9 musamman yana nufin wani abu mai resin da aka samu ta hanyar "polymerizing olefins ko cyclic ole fins ko copolymerizing tare da aldehydes, aromatic hydrocarbons, terpenes, da dai sauransu." mai dauke da sinadarin carbon guda tara.
C9 resin petroleum, wanda kuma aka sani da resin aromatic, an raba shi zuwa polymerization na thermal, polymerization na sanyi, kwalta da sauransu. Daga cikin su, samfurin polymerization mai sanyi yana da haske a launi, mai kyau a cikin inganci, kuma yana da matsakaicin nauyin kwayoyin halitta na 2000-5000. Hasken rawaya zuwa haske mai launin ruwan kasa, granular ko ƙaƙƙarfan ƙarfi, m da haske, ƙarancin dangi 0.97 ~ 1.04.
Matsakaicin laushi shine 80 ~ 140â. Gilashin canjin yanayin zafin jiki shine 81 ° C. Ƙididdigar Refractive 1.512. Wurin walƙiya 260 â. Ƙimar acid 0.1 ~ 1.0. Ma'aunin iodine shine 30-120. Mai narkewa a cikin acetone, methyl ethyl ketone, cyclohexane, dichloroethane, ethyl acetate, toluene, fetur, da dai sauransu.
Insoluble a cikin ethanol da ruwa. Yana da tsarin zagayawa, yana ƙunshe da wasu shaidu biyu, kuma yana da haɗin kai mai ƙarfi. Babu iyakacin duniya ko ƙungiyoyi masu aiki a cikin tsarin kwayoyin kuma babu aikin sinadarai. Yana da kyau acid da alkali juriya, sunadarai juriya da ruwa juriya.
Rashin mannewa, ɓarna, da ƙarancin juriya na tsufa, bai kamata a yi amfani da shi kaɗai ba. Kyakkyawan dacewa tare da guduro phenolic, resin coumarone, resin terpene, SBR, SIS, amma rashin daidaituwa tare da polymers ba polar ba saboda babban polarity. Mai ƙonewa. Mara guba.
Tare da high peeling da bonding ƙarfi, mai kyau sauri tack, barga bonding yi, matsakaici narke danko, mai kyau zafi juriya, mai kyau karfinsu tare da polymer matrix, da kuma low price, ya fara a hankali maye gurbin halitta guduro don ƙara danko jamiái (rosin da terpene resins). ).
Halayen resin C5 mai mai ladabi a cikin mannen narke mai zafi: ruwa mai kyau, na iya haɓaka wettability na babban kayan, ɗanko mai kyau, da ƙwaƙƙwaran fara aikin tack. Kyawawan kaddarorin anti-tsufa, launi mai haske, m, ƙananan wari, ƙananan ƙarancin wuta. A cikin mannen narke mai zafi, jerin ZC-1288D za a iya amfani da shi kaɗai azaman resin tackifying ko gauraye da sauran resins tackifying don haɓaka wasu halaye na mannen narke mai zafi.
Manne narke mai zafi:
Ainihin guduro na zafi narkewa m ne ethylene da vinyl acetate copolymerized a karkashin high zafin jiki da kuma high matsa lamba, wato EVA guduro. Wannan guduro shine babban abin da ake yin narke mai zafi. Matsakaicin da ingancin guduro na asali sun ƙayyade ainihin kaddarorin manne mai narke mai zafi.
Narke index (MI) 6-800, low VA abun ciki, mafi girma da crystallinity, mafi girma da taurin, a karkashin wannan yanayi, mafi girma da VA abun ciki, da ƙananan crystallinity, da karin na roba High ƙarfi da high narkewa zafin jiki su ma. matalauta wetting da permeability na adherends.
Akasin haka, idan ma'aunin narkewa ya yi girma sosai, yawan zafin jiki mai narkewa na manne yana da ƙasa, ruwa yana da kyau, amma ƙarfin haɗin gwiwa yana raguwa. Zaɓin abubuwan da ke tattare da shi ya kamata ya zaɓi rabon da ya dace na ethylene da vinyl acetate.
Sauran aikace-aikace:
1. Fenti
Fentin yafi amfani da guduro mai na C9, resin DCPD da guduro na copolymer C5/C9 tare da babban wurin laushi. Ƙara resin man fetur zuwa fenti na iya ƙara haske na fenti, inganta mannewa, taurin, juriya na acid da juriya na alkali na fim din fenti.
2. roba
Roba galibi yana amfani da ƙarancin laushi mai laushi C5 resin man fetur, resin copolymer C5/C9 da guduro DCPD. Irin wannan resins suna da kyakkyawar solubility na juna tare da barbashi na roba na halitta, kuma ba su da tasiri mai girma akan tsarin vulcanization na roba. Ƙara resin man fetur zuwa roba na iya ƙara danko, ƙarfafawa da laushi. Musamman ma, ƙari na C5 / C9 copolymer resin ba zai iya ƙara haɓaka tsakanin ƙwayoyin roba kawai ba, amma kuma inganta haɓaka tsakanin ƙwayoyin roba da igiyoyi. Ya dace da samfuran roba tare da manyan buƙatu irin su tayoyin radial.
3. Masana'antar m
Gudun man fetur yana da kyakkyawan mannewa. Ƙara resin man fetur zuwa mannewa da kaset masu mahimmanci na iya inganta ƙarfin mannewa, juriya na acid, juriya na alkali da juriya na ruwa na m, kuma zai iya rage yawan farashin samarwa.
4. Masana'antar tawada
Gudun man fetur
5. masana'antar sutura
Rufaffen alamomin hanya da alamar hanya, resin petroleum yana da kyakkyawar mannewa zuwa shingen siminti ko kwalta, kuma yana da juriya mai kyau da juriya na ruwa, kuma yana da alaƙa mai kyau tare da abubuwan da ba su da tushe, mai sauƙin sutura, kyakkyawan yanayin juriya,
Fast bushewa, babban ƙarfi, kuma zai iya inganta yanayin jiki da sinadarai na Layer, inganta juriya na UV da juriya na yanayi. Fentin titin resin na man fetir yana zama na yau da kullun, kuma buƙatun yana ƙaruwa kowace shekara.
6. Wasu
Resin yana da takamaiman matakin rashin daidaituwa kuma ana iya amfani da shi azaman wakili mai girman takarda, mai gyara filastik, da sauransu.
7.
Ajiye a cikin yanayi mai iska, sanyi da bushewa. Tsawon lokacin ajiya gabaɗaya shekara ɗaya ne, kuma ana iya amfani da shi bayan shekara ɗaya idan ya wuce binciken.
