Mafuta a petroleum (hydrocarbon resin)
Petroleum resin ndi mankhwala omwe angopangidwa kumene m'zaka zaposachedwa. Amatchulidwa kutengera magwero amafuta a petroleum. Lili ndi makhalidwe a mtengo wotsika wa asidi, miscibility yabwino, kukana madzi, kukana kwa ethanol ndi kukana mankhwala, komanso kukhazikika kwa mankhwala ku asidi ndi alkali. , ndipo ali ndi kusintha kwa viscosity kwabwino komanso kukhazikika kwamafuta, mtengo wotsika. Mafuta amafuta nthawi zambiri sagwiritsidwa ntchito okha, koma amagwiritsidwa ntchito limodzi ngati ma accelerator, owongolera, osinthira ndi ma resins ena. Amagwiritsidwa ntchito kwambiri mu mphira, zomatira, zokutira, mapepala, inki ndi mafakitale ena ndi minda.
Nthawi zambiri, imatha kugawidwa ngati C5 aliphatic, C9 onunkhira (onunkhira ma hydrocarbons), DCPD (cycloaliphatic, cycloaliphatic) ndi ma monomers oyera monga poly SM, AMS (alpha methyl styrene) ndi mitundu inayi yazogulitsa, mamolekyu ake onse ndi ma hydrocarbon. , choncho amatchedwanso hydrocarbon resins (HCR).
Malingana ndi zipangizo zosiyanasiyana, zimagawidwa mu Asiatic resin (C5), alicyclic resin (DCPD), resin onunkhira (C9), aliphatic / aromatic copolymer resin (C5 / C9) ndi hydrogenated petroleum resin. C5 hydrogenated petroleum resin, C9 hydrogenated petroleum resin
Zogwiritsidwa ntchito kwambiri ndizo
C9 petroleum resin imatanthawuza makamaka chinthu chopangidwa ndi "polymerizing olefins kapena cyclic ole fins kapena copolymerizing ndi aldehydes, onunkhira ma hydrocarboni, terpenes, ndi zina zambiri." okhala ndi ma atomu asanu ndi anayi a carbon.
C9 petroleum resin, yomwe imadziwikanso kuti utomoni wonunkhira, imagawidwa mu polymerization yotentha, polymerization yozizira, phula ndi zina zotero. Pakati pawo, mankhwala ozizira a polymerization ndi owala mumtundu, abwino mumtundu, ndipo ali ndi kulemera kwa maselo a 2000-5000. Flake yopepuka yachikasu kupita ku bulauni, granular kapena yolimba kwambiri, yowoneka bwino komanso yonyezimira, kachulukidwe kachibale 0.97 ~ 1.04.
Malo ochepetsera ndi 80 ~ 140â. Kutentha kwa magalasi ndi 81 ° C. Refractive index 1.512. Flash point 260 â. Mtengo wa asidi 0.1 ~ 1.0. Mtengo wa ayodini ndi 30-120. Kusungunuka mu acetone, methyl ethyl ketone, cyclohexane, dichloroethane, ethyl acetate, toluene, petulo, etc.
Insoluble mu Mowa ndi madzi. Ili ndi mawonekedwe ozungulira, imakhala ndi zomangira ziwiri, ndipo imakhala ndi mgwirizano wamphamvu. Palibe magulu a polar kapena ogwira ntchito m'maselo a maselo ndipo palibe mankhwala. Ali ndi asidi wabwino komanso kukana kwa alkali, kukana mankhwala komanso kukana madzi.
Kusamamatira koyipa, kufooka, komanso kusakalamba bwino, sayenera kugwiritsidwa ntchito payekha. Kugwirizana kwabwino ndi utomoni wa phenolic, utomoni wa coumarone, utomoni wa terpene, SBR, SIS, koma sagwirizana bwino ndi ma polima omwe si a polar chifukwa cha polarity yayikulu. Zoyaka. Zopanda poizoni.
Ndi mphamvu yake yothamanga kwambiri komanso yomangirira, kuthamanga kwachangu, kugwira ntchito mokhazikika, kukhuthala kwapakati, kukana kutentha, kugwirizana bwino ndi matrix a polima, komanso mtengo wotsika, idayamba kusintha pang'onopang'ono utomoni wachilengedwe kuti uwonjezere ma viscosity agents (rosin ndi terpene resins). ).
Makhalidwe a C5 petroleum resin yoyengedwa mu zomatira zotentha zosungunuka: madzi abwino, amatha kusintha kunyowa kwazinthu zazikulu, kukhuthala kwabwino, komanso magwiridwe antchito apamwamba kwambiri. Zabwino kwambiri zotsutsana ndi ukalamba, mtundu wopepuka, wowonekera, fungo lotsika, losakhazikika. Mu zomatira zotentha zosungunuka, mndandanda wa ZC-1288D ukhoza kugwiritsidwa ntchito pawokha ngati utomoni wothira kapena kusakaniza ndi ma resin ena owongolera kuti musinthe mawonekedwe ena a zomatira zotentha zosungunuka.
Zomatira zotentha zosungunuka:
Utoto woyambira wa zomatira zotentha zosungunuka ndi ethylene ndi vinyl acetate copolymerized pansi pa kutentha kwambiri komanso kuthamanga kwambiri, zomwe ndi EVA resin. Utoto uwu ndiye chigawo chachikulu chopangira zomatira zotentha zosungunuka. Kuchuluka kwa utomoni woyambira kumatsimikizira zomwe zimayambira zomatira zotentha zosungunuka.
Sungunulani index (MI) 6-800, otsika VA zili, kukwezeka kwa crystallinity, kulimba kwamphamvu, pansi pamikhalidwe yomweyi, kuchulukira kwa VA, kutsika kwa crystallinity, mphamvu zotanuka kwambiri komanso kutentha kwakukulu kosungunuka. osauka kunyowa ndi permeability wa adherends.
M'malo mwake, ngati ndondomeko yosungunuka ndi yaikulu kwambiri, kutentha kwa guluu kumakhala kochepa, madzi amadzimadzi ndi abwino, koma mphamvu yomangirira imachepetsedwa. Kusankhidwa kwa zowonjezera zake ziyenera kusankha chiŵerengero choyenera cha ethylene ndi vinyl acetate.
Mapulogalamu ena:
1. Utoto
Utotowo umagwiritsa ntchito utomoni wamafuta wa C9, utomoni wa DCPD ndi utomoni wa C5/C9 wa copolymer wokhala ndi mfundo yofewa kwambiri. Kuyika utomoni wa petroleum ku utoto kumatha kukulitsa utoto wonyezimira, kuwongolera kumamatira, kulimba, kukana kwa asidi ndi kukana kwa alkali kwa filimu ya utoto.
2. Mpira
Mphira makamaka umagwiritsa ntchito mfundo yochepetsetsa ya C5 petroleum resin, C5/C9 copolymer resin ndi DCPD resin. Utoto woterewu umakhala wabwino kusungunuka ndi tinthu tating'ono ta mphira, ndipo alibe chikoka chachikulu pakupanga mphira. Kuonjezera utomoni wa petroleum ku rabala kumatha kukulitsa kukhuthala, kulimbitsa ndi kufewetsa. Makamaka, kuwonjezera kwa C5 / C9 copolymer resin sikungowonjezera kumamatira pakati pa tinthu ta mphira, komanso kumapangitsanso kumamatira pakati pa tinthu ta rabala ndi zingwe. Ndizoyenera kuzinthu za mphira zomwe zimakhala ndi zofunikira kwambiri monga matayala a radial.
3. Makampani omatira
Utoto wa petroleum uli ndi zomatira zabwino. Kuonjezera utomoni wa petroleum pa zomatira ndi matepi osamva kupanikizika kumatha kupititsa patsogolo mphamvu zomatira, kukana kwa asidi, kukana kwa alkali ndi kukana kwamadzi zomatira, ndipo zimatha kuchepetsa mtengo wopanga.
4. Makampani a inki
Mafuta a resin
5. Makampani opanga zokutira
Zovala zazizindikiro zamsewu ndi zolembera mumsewu, utomoni wa petroleum umamatira bwino ku konkire kapena phula, ndipo umakhala wabwino kukana komanso kukana madzi, komanso umagwirizana bwino ndi zinthu zopanda organic, zosavuta kuvala, kukana nyengo yabwino,
Kuyanika mwachangu, kulimba kwambiri, ndipo kumatha kusintha mawonekedwe akuthupi ndi mankhwala osanjikiza, kuwongolera kukana kwa UV komanso kukana nyengo. Utoto wa penti wa petroleum resin umakhala wofala pang'onopang'ono, ndipo kufunikira kukukulirakulira chaka ndi chaka.
6. Zina
Utoto uli ndi mulingo wina wosasunthika ndipo utha kugwiritsidwa ntchito ngati chosinthira mapepala, chosinthira pulasitiki, ndi zina zambiri.
7.
Sungani pamalo olowera mpweya wabwino, ozizira komanso owuma. Nthawi yosungira nthawi zambiri imakhala chaka chimodzi, ndipo imatha kugwiritsidwabe ntchito pakatha chaka chimodzi ikadutsa kuyendera.
