1. Kodi vinyl silikoni mafuta ndi chiyani?
Dzina lamankhwala: mafuta a silicone okhala ndi zitsulo ziwiri
Cholinga chake chachikulu ndi chakuti gawo la methyl gulu (Me) mu polydimethylsiloxane limasinthidwa ndi vinyl (Vi), zomwe zimapangitsa kuti pakhale polymethylvinylsiloxane yogwira ntchito. Mafuta a silicone a vinyl amawonetsa mawonekedwe amadzimadzi amadzimadzi chifukwa cha mawonekedwe ake apadera.
Vinyl silikoni mafuta makamaka ogaŵikana mitundu iwiri: mapeto vinilu silikoni mafuta ndi mkulu vinilu silikoni mafuta. Pakati pawo, ma terminal vinyl silicone mafuta makamaka amaphatikizapo terminal vinyl polydimethylsiloxane (Vi-PDMS) ndi terminal vinyl polymethylvinylsiloxane (Vi-PMVS). Chifukwa chamitundu yosiyanasiyana ya vinyl, ili ndi mawonekedwe osiyanasiyana ogwiritsira ntchito.
Zomwe zimapangidwira mafuta a vinyl silikoni ndi ofanana ndi a dimethicone, koma chifukwa cha gulu la vinyl pamapangidwe ake, ali ndi reactivity yapamwamba. Pokonzekera mafuta a vinyl silikoni, njira yolumikizirana yotsegulira mphete imagwiritsidwa ntchito makamaka. Njirayi imagwiritsa ntchito octamethylcyclotetrasiloxane ndi tetramethyltetravinylcyclotetrasiloxane monga zopangira, ndipo imapanga dongosolo la unyolo ndi magawo osiyanasiyana a polymerization kupyolera muzitsulo zotsegula zomwe zimayambitsidwa ndi asidi kapena alkali.
2. Makhalidwe a machitidwe a vinyl silikoni mafuta
1. Zopanda poizoni, zopanda pake, zopanda zonyansa zamakina
Mafuta a vinyl silicone ndi madzi opanda mtundu kapena achikasu, owonekera omwe alibe poizoni, opanda fungo, komanso opanda zonyansa zamakina. Mafutawa sasungunuka m'madzi, koma amatha kusakanikirana ndi benzene, dimethyl ether, methyl ethyl ketone, tetrachlorocarbon kapena palafini, komanso kusungunuka pang'ono mu acetone ndi ethanol.
2. Kuthamanga kwa nthunzi kakang'ono, malo okwera kwambiri ndi poyatsira, malo otsika oundana
Zinthuzi zimapangitsa kuti madzi a vinyl silicone akhale okhazikika komanso osasunthika pa kutentha kwakukulu kapena malo apadera, motero amaonetsetsa kuti amakhala ndi moyo wautali m'zinthu zosiyanasiyana.
3. Mphamvu reactivity
Silicone yopangidwa ndi vinyl yokhala ndi vinyl kumbali zonse ziwiri, zomwe zimapangitsa kuti ikhale yotakasuka kwambiri. Pansi pa chothandizira, mafuta a vinyl silikoni amatha kuchitapo kanthu ndi mankhwala okhala ndi magulu a haidrojeni yogwira ntchito ndi magulu ena ogwira ntchito kuti akonze zinthu zosiyanasiyana za silicon ndi katundu wapadera. Panthawiyi, mafuta a vinyl silikoni samamasula zinthu zina zotsika kwambiri ndipo amakhala ndi kachitidwe kakang'ono kamene kamasintha, komwe kumapangitsanso kuti ntchito zake zitheke.
4. Kutsetsereka kwabwino kwambiri, kufewa, kuwala, kutentha ndi kukana kwanyengo
Izi katundu kupanga vinilu silikoni zamadzimadzi ndi osiyanasiyana ntchito kusinthidwa mapulasitiki, utomoni, utoto, zokutira, etc. Pa nthawi yomweyo, angagwiritsidwenso ntchito ngati zofunika zopangira kupanga mkulu-kutentha vulcanized silikoni. mphira (HTV) kuti upititse patsogolo mphamvu ndi kuuma kwa mphira wa silikoni. Popanga mphira wamadzimadzi a silikoni, mafuta a vinyl silicone ndiyenso chinthu chachikulu chopangira jakisoni wopangira mphira wa silicone, guluu wamagetsi, ndi mphira wotenthetsera.
3. Kugwiritsa ntchito mafuta a vinyl silikoni
1. Zida zoyambira za rabara ya silicone yotentha kwambiri (HTV):
Mafuta a vinyl silikoni amasakanizidwa ndi crosslinkers, reinforging agents, colorants, control agents, anti-aging agents, etc., ndipo amagwiritsidwa ntchito pokonzekera mphira wotentha kwambiri wa silicone. Rabara ya silikoni iyi imakhala yokhazikika komanso yolimba m'malo otentha kwambiri, ndipo imagwiritsidwa ntchito kwambiri munthawi zosiyanasiyana zomwe zimafuna kukana kutentha kwambiri komanso kukana dzimbiri.
2. Zida zazikulu za rabara yamadzimadzi silikoni:
Mafuta a vinyl silikoni amatha kugwiritsidwa ntchito limodzi ndi ma crosslinkers okhala ndi haidrojeni, zopangira platinamu, zoletsa, ndi zina zambiri, kukonzekera mphira wowonjezera wamadzimadzi a silikoni. Labala iyi ya silikoni imakhala ndi madzi abwino, mawonekedwe ake komanso kukhazikika, ndipo imagwiritsidwa ntchito kwambiri pamakampani a silicone, nsalu, mafilimu oteteza ndi magawo ena.
3. Kukonzekera kwa zinthu zatsopano:
Mafuta a vinyl silikoni amakhudzidwa ndi zinthu zosiyanasiyana zakuthupi monga polyurethane ndi acrylic acid kuti akonze zida zatsopano ndikuchita bwino. Zida zatsopanozi zili ndi mawonekedwe a kukana kwanyengo, kukana kukalamba, kukana kwa ultraviolet, komanso kulimba kwamphamvu, ndipo zimagwiritsidwa ntchito kwambiri pakupaka, zomatira, zomata, zomata ndi zina.
4. Ntchito pazamagetsi:
Mafuta a vinyl silikoni amagwiritsidwa ntchito kwambiri pa zomatira pamagetsi, zomatira zamafuta otenthetsera, zomatira nyali za LED, zopangira za LED ndi zomatira zamagetsi. Amapereka ntchito yabwino yosindikizira kuti ateteze kwambiri zida zamagetsi zamagetsi ndi zigawo zake kuti zisawonongeke kunja kapena kuyenda, kuonetsetsa kukhazikika ndi kudalirika kwa zipangizo zamagetsi.
5. Zopangira zazikulu za wotulutsa:
Wotulutsa wotulutsa amathandizira kuti aletse kumatira pakupanga mafakitale, zomwe zimathandizira kutulutsa bwino kwazinthu komanso kukonza magwiridwe antchito.
4. Vinyl silikoni mafuta msika chitukuko kachitidwe
1.Kukula kwa gawo la ntchito
Mafuta a vinyl silikoni sagwiritsidwa ntchito kwambiri muzinthu zachikhalidwe, mankhwala, zamagetsi ndi zina, komanso amagwira ntchito yofunika kwambiri pa zodzoladzola ndi zinthu zosamalira anthu, mafuta odzola, zopangira mafuta, zipangizo zosindikizira, inki, mapulasitiki ndi mphira. Makamaka pankhani ya zodzoladzola, mafuta a vinyl silikoni amagwiritsidwa ntchito kwambiri popanga sopo, ma shampoos, moisturizers, mafuta odzola, zodzoladzola ndi zinthu zina chifukwa chamafuta ake abwino kwambiri komanso permeability.
2.New ntchito vinyl silikoni mafuta
Opanga amatha kupanga mitundu yambiri yamadzimadzi amadzimadzi a vinyl silikoni mwa kuwongolera mosalekeza chilinganizo ndi kukhathamiritsa njira yopangira kuti apititse patsogolo kukhuthala, fluidity, bata ndi zina zamafuta a vinyl silikoni. Monga kuchiritsa kuwala, cationic-curing, biocompatible, etc., oyenera ntchito zosiyanasiyana.
3.Vinyl silikoni mafuta wobiriwira kukonzekera
Ndi kupititsa patsogolo chidziwitso cha chilengedwe, kupititsa patsogolo njira zatsopano zosungira zachilengedwe zopangira mafuta a vinyl silikoni obiriwira, monga kugwiritsa ntchito ma monomers osakanikirana, zopangira zolimba, zakumwa za ionic, ndi zina zotero, kuchepetsa kugwiritsa ntchito zosungunulira zapoizoni ndi- mankhwala, ndi kukwaniritsa chitukuko chokhazikika.
4.Nano vinilu silikoni zakuthupi mafuta
Kupanga ndi kaphatikizidwe ka zida zamafuta za vinyl silicone zokhala ndi ma nanostructures apadera, monga vinyl silikoni mafuta nanoparticles, nanofibers ndi maburashi a molekyulu, ndi zina zotero, kuti apatse zidazo kukhala ndi mawonekedwe apadera komanso mawonekedwe, ndikutsegula magawo atsopano ogwiritsira ntchito.
5.Packaging, yosungirako ndi kayendedwe
Izi ndi mankhwala amphamvu, ndipo sizidzasakanizidwa ndi zonyansa (makamaka zotengera) panthawi yosungiramo ndi zoyendetsa, ndipo ziyenera kupewedwa kuti zisagwirizane ndi zinthu zomwe zingayambitse mankhwala ake, monga ma acid, alkalis, oxidants, etc. kuteteza denaturation, ndi kusungidwa pamalo ozizira ndi owuma. Izi sizinthu zowopsa ndipo zimatha kunyamulidwa malinga ndi momwe zinthu zilili.
Nthawi yotumiza: Jul-05-2024