Nkhani Zamakampani
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Kodi Mitundu Yosiyanasiyana ya Polypropylene Ndi Chiyani?
Pali mitundu iwiri ikuluikulu ya polypropylene yomwe ilipo: homopolymers ndi copolymers. Ma copolymers amagawidwanso mu block copolymers ndi copolymers mwachisawawa. Gulu lililonse limagwirizana ndi mapulogalamu ena kuposa ena. Polypropylene nthawi zambiri amatchedwa "chitsulo" chamakampani apulasitiki chifukwa cha njira zosiyanasiyana zomwe zingasinthidwe kapena kusinthidwa kuti zikwaniritse cholinga china. Izi nthawi zambiri zimatheka mwa kuyambitsa zowonjezera zowonjezera kwa izo kapena kuzipanga mwanjira yapadera kwambiri. Kusinthasintha uku ndi chinthu chofunikira kwambiri. Homopolymer polypropylene ndi giredi ya cholinga chambiri. Mutha kuganiza za izi ngati kusakhazikika kwa zinthu za polypropylene. Block copolymer polypropylene ili ndi mayunitsi amonomer omwe amasanjidwa mu midadada (ndiko kuti, mwanthawi zonse) ndipo amakhala ndi ... -
Kodi Makhalidwe a Polyvinyl Chloride (PVC) ndi ati?
Zina mwa zinthu zofunika kwambiri za Polyvinyl Chloride (PVC) ndi: Kuchulukana: PVC ndi yowundana kwambiri poyerekeza ndi mapulasitiki ambiri (kukoka kwapadera kozungulira 1.4) Chuma: PVC imapezeka mosavuta komanso yotsika mtengo. Kuuma: PVC yolimba imakhala bwino pakulimba komanso kulimba. Mphamvu: PVC yolimba ili ndi mphamvu zolimba kwambiri. Polyvinyl Chloride ndi "thermoplastic" (mosiyana ndi "thermoset") zakuthupi, zomwe zimagwirizana ndi momwe pulasitiki imayankhira kutentha. Zipangizo za thermoplastic zimakhala zamadzimadzi zikasungunuka (kusiyana kwa PVC pakati pa madigiri 100 otsika kwambiri ndi apamwamba ngati 260 digiri Celsius kutengera zowonjezera). Chofunikira chachikulu chokhudza thermoplastics ndikuti amatha kutenthedwa mpaka pomwe amasungunuka, kuziziritsidwa, ndikutenthedwanso ... -
Kodi caustic soda ndi chiyani?
Paulendo wapakati wopita kusitolo yaikulu, ogula akhoza kusunga zotsukira, kugula botolo la aspirin ndi kuyang'ana mitu yaposachedwa ya m'manyuzipepala ndi m'magazini. Poyamba, sizingawoneke ngati zinthu izi zikufanana kwambiri. Komabe, kwa aliyense wa iwo, soda ya caustic imakhala ndi gawo lalikulu pamindandanda yawo yopangira kapena kupanga. Kodi caustic soda ndi chiyani? Caustic soda ndi mankhwala omwe ali ndi sodium hydroxide (NaOH). Pagululi ndi alkali - mtundu wa maziko omwe amatha kusokoneza ma acid ndipo amasungunuka m'madzi. Masiku ano caustic soda imatha kupangidwa ngati ma pellets, flakes, ufa, njira ndi zina. Kodi caustic soda imagwiritsidwa ntchito chiyani? Soda wa caustic wakhala chinthu wamba popanga zinthu zambiri zatsiku ndi tsiku. Zomwe zimadziwika kuti lye, zakhala zikugwiritsidwa ntchito ... -
Chifukwa chiyani polypropylene imagwiritsidwa ntchito nthawi zambiri?
Polypropylene imagwiritsidwa ntchito m'nyumba ndi m'mafakitale. Makhalidwe ake apadera komanso kuthekera kogwirizana ndi njira zosiyanasiyana zopangira zinthu kumapangitsa kuti ikhale yamtengo wapatali yogwiritsidwa ntchito mosiyanasiyana. Khalidwe lina lofunika kwambiri ndi kuthekera kwa polypropylene kugwira ntchito ngati pulasitiki komanso ulusi (monga zikwama zotsatsa zomwe zimaperekedwa pazochitika, mipikisano, ndi zina). Kuthekera kwapadera kwa polypropylene kupangidwa kudzera m'njira zosiyanasiyana ndikugwiritsa ntchito mosiyanasiyana kudapangitsa kuti posakhalitsa idayamba kutsutsa zida zambiri zakale, makamaka m'mafakitale opaka, fiber, ndi jakisoni. Kukula kwake kwapitilira zaka zambiri ndipo idakali gawo lalikulu pamakampani apulasitiki padziko lonse lapansi. Ku Creative Mechanisms, tili ndi ... -
Kodi ma granules a PVC ndi chiyani?
PVC ndi imodzi mwamapulasitiki omwe amagwiritsidwa ntchito kwambiri pamakampani. Plasticol, kampani ya ku Italy yomwe ili pafupi ndi Varese yakhala ikupanga ma granules a PVC kwa zaka zoposa 50 tsopano ndipo zochitika zomwe zinasonkhanitsidwa kwa zaka zambiri zinapangitsa kuti bizinesiyo ikhale ndi chidziwitso chozama kotero kuti tsopano tikhoza kuchigwiritsa ntchito kuti tikwaniritse zopempha zonse zamakasitomala zomwe zimapereka zinthu zatsopano komanso zodalirika. Mfundo yakuti PVC imagwiritsidwa ntchito kwambiri popanga zinthu zambiri zosiyanasiyana imasonyeza momwe mawonekedwe ake enieni ndi othandiza kwambiri komanso apadera. Tiyeni tiyambe kulankhula za kulimba kwa PVC: zinthuzo zimakhala zowuma kwambiri ngati zoyera koma zimakhala zosinthika ngati zosakanikirana ndi zinthu zina. Khalidwe lapaderali limapangitsa PVC kukhala yoyenera kupanga zinthu zomwe zimagwiritsidwa ntchito m'magawo osiyanasiyana, kuchokera ku nyumba imodzi ... -
Zonyezimira zosawonongeka zitha kusintha makampani opanga zodzoladzola.
Moyo uli wodzaza ndi zopangira zonyezimira, mabotolo odzikongoletsera, mbale za zipatso ndi zina, koma zambiri zimapangidwa ndi zinthu zapoizoni komanso zosakhazikika zomwe zimapangitsa kuti pulasitiki iwonongeke. Posachedwapa, ofufuza a ku yunivesite ya Cambridge ku UK apeza njira yopangira glitter yokhazikika, yopanda poizoni komanso yowonongeka kuchokera ku cellulose, nyumba yaikulu yomanga makoma a zomera, zipatso ndi ndiwo zamasamba. Mapepala ogwirizana nawo adasindikizidwa mu nyuzipepala ya Nature Materials pa 11th. Wopangidwa kuchokera ku cellulose nanocrystals, chonyezimirachi chimagwiritsa ntchito mtundu wowoneka bwino kusintha kuwala kuti apange mitundu yowoneka bwino. Mwachirengedwe, mwachitsanzo, kung'anima kwa mapiko agulugufe ndi nthenga za pikoko ndizojambula bwino kwambiri, zomwe sizidzatha pakatha zaka zana. Pogwiritsa ntchito njira zodzipangira okha, cellulose imatha kupanga ... -
Kodi Polyvinyl chloride (PVC) Paste Resin ndi chiyani?
Polyvinyl chloride (PVC) phala Resin , monga dzina limatanthawuzira, ndikuti utomoniwu umagwiritsidwa ntchito makamaka ngati phala. Anthu nthawi zambiri amagwiritsa ntchito phala lamtunduwu ngati plastisol, yomwe ndi mtundu wapadera wamadzimadzi apulasitiki a PVC osasinthidwa. . Phala resins zambiri anakonza ndi emulsion ndi yaying'ono kuyimitsidwa njira. Utoto wa polyvinyl chloride umakhala ndi kukula kwa tinthu tating'onoting'ono, ndipo mawonekedwe ake ali ngati talc, osasunthika. Utoto wa polyvinyl chloride paste umasakanizidwa ndi Pulasitiki ndikugwedezeka kuti upangitse kuyimitsidwa kokhazikika, komwe kumapangidwa kukhala PVC phala, kapena PVC plastisol, PVC sol, ndipo munjira imeneyi anthu amagwiritsidwa ntchito pokonza Zomaliza. Popanga phala, ma fillers osiyanasiyana, diluents, zolimbitsa thupi, zotulutsa thovu ndi zowongolera zowunikira zimawonjezedwa malinga ndi ... -
PP Films ndi chiyani?
PROPERTIES Polypropylene kapena PP ndi thermoplastic yotsika mtengo yomveka bwino, yonyezimira kwambiri komanso kulimba kwamphamvu. Ili ndi malo osungunuka kwambiri kuposa PE, zomwe zimapangitsa kuti zikhale zoyenera kwa mapulogalamu omwe amafunikira kutseketsa pa kutentha kwakukulu. Ilinso ndi chifunga chochepa komanso chowala kwambiri. Nthawi zambiri, zosindikizira kutentha za PP sizowoneka bwino ngati za LDPE. LDPE ilinso ndi mphamvu zong'ambika bwino komanso kukana kutentha kochepa. PP imatha kupangidwa ndi zitsulo zomwe zimapangitsa kuti pakhale zotchinga mpweya wabwino pakugwiritsa ntchito movutikira komwe nthawi yayitali ya alumali ndiyofunikira. Makanema a PP ndi oyenera kugwiritsa ntchito mitundu yambiri yamakampani, ogula, ndi magalimoto. PP imatha kubwezeredwanso ndipo imatha kusinthidwanso kukhala zinthu zina zambiri pazogwiritsa ntchito zosiyanasiyana. Komabe, mpaka ... -
PVC compound ndi chiyani?
Mapangidwe a PVC amachokera ku kuphatikiza kwa PVC polima RESIN ndi zowonjezera zomwe zimapereka mawonekedwe ofunikira kuti agwiritse ntchito kumapeto (Mapaipi kapena Ma Profiles Olimba kapena Flexible Profiles kapena Sheets). Chigawocho chimapangidwa mwa kusakaniza mozama zosakaniza, zomwe pambuyo pake zimasinthidwa kukhala nkhani ya "gelled" mothandizidwa ndi kutentha ndi kukameta ubweya. Malingana ndi mtundu wa PVC ndi zowonjezera, pawiri isanafike gelation ikhoza kukhala ufa wopanda pake (wotchedwa kusakaniza kouma) kapena madzi mu mawonekedwe a phala kapena yankho. Mankhwala a PVC akapangidwa, pogwiritsa ntchito mapulasitiki, kukhala zinthu zosinthika, zomwe nthawi zambiri zimatchedwa PVC-P. Ma PVC Compounds akapangidwa popanda plasticizer kuti agwiritse ntchito mokhazikika amasankhidwa PVC-U. PVC Compounding akhoza kufotokozedwa mwachidule motere: The okhwima PVC dr ... -
Kusiyana Pakati pa BOPP, OPP ndi PP Matumba.
Makampani azakudya amagwiritsa ntchito kwambiri ma pulasitiki a BOPP. Matumba a BOPP ndi osavuta kusindikiza, kuvala ndi laminate zomwe zimawapangitsa kukhala oyenera kunyamula zinthu monga zatsopano, zokometsera ndi zokhwasula-khwasula. Pamodzi ndi matumba a BOPP, OPP, ndi PP amagwiritsidwanso ntchito pakuyika. Polypropylene ndi polima wamba pakati pa atatu omwe amagwiritsidwa ntchito popanga matumba. OPP imayimira Oriented Polypropylene, BOPP imayimira Biaxially Oriented Polypropylene ndipo PP imayimira Polypropylene. Onse atatu amasiyana pamapangidwe awo. Polypropylene yomwe imadziwikanso kuti polypropene ndi polima ya thermoplastic semicrystalline polima. Ndi yolimba, yamphamvu komanso imatsutsa kwambiri. Zikwama zoimilira, zikwama za spout ndi zikwama za ziplock zimapangidwa kuchokera ku polypropylene. Ndizovuta kusiyanitsa pakati pa OPP, BOPP ndi PP plas ... -
Kafukufuku wa Kugwiritsa Ntchito Kuwunika Kwambiri (PLA) mu LED Lighting System.
Asayansi ochokera ku Germany ndi Netherlands akufufuza zinthu zatsopano za PLA zosawononga chilengedwe. Cholinga chake ndi kupanga zida zokhazikika zogwiritsa ntchito kuwala monga zowunikira zamagalimoto, ma lens, mapulasitiki owunikira kapena maupangiri owunikira. Pakadali pano, mankhwalawa amapangidwa ndi polycarbonate kapena PMMA. Asayansi akufuna kupeza pulasitiki yopangidwa ndi bio kuti apange nyali zamagalimoto. Zikuoneka kuti asidi polylactic ndi oyenera ofuna zinthu. Kupyolera mu njirayi, asayansi athetsa mavuto angapo omwe amakumana nawo ndi mapulasitiki achikhalidwe: choyamba, kutembenukira kuzinthu zongowonjezwdwa kungathe kuchepetsa mavuto omwe amadza chifukwa cha mafuta osakanizika pamakampani apulasitiki; chachiwiri, chingachepetse mpweya wa carbon dioxide; chachitatu, ichi chikuphatikiza kulingalira za moyo wonse wakuthupi ... -
Luoyang matani miliyoni a projekiti ya ethylene yapita patsogolo!
Pa Okutobala 19, mtolankhaniyo adaphunzira kuchokera ku Luoyang Petrochemical kuti Sinopec Gulu Corporation idachita msonkhano ku Beijing posachedwa, ndikuyitanitsa akatswiri ochokera m'mayunitsi opitilira 10 kuphatikiza China Chemical Society, China Synthetic Rubber Viwanda Association, ndi oimira oyenerera kuti apange gulu la akatswiri owunika kuti liwunike mamiliyoni a Luoyang Petrochemical. Lipoti la kuthekera kwa polojekiti ya 1-ton ethylene idzawunikidwa mozama ndikuwonetseredwa. Pamsonkhanowo, gulu la akatswiri owunika lidamvetsera malipoti oyenerera a Luoyang Petrochemical, Sinopec Engineering Construction Company ndi Luoyang Engineering Company pa ntchitoyi, ndipo adayang'ananso kuunika kwathunthu kufunikira kwa ntchito yomanga, zopangira, mapulani azinthu, misika, ndi njira ...