Zowonjezera ndizofunikira zopangira m'mafashoni. Ngakhale kuchuluka kwake ndikochepa, zotsatira zake ndi zazikulu kwambiri. Ma eyerethane elastomers sangathe kulekanitsidwa ndi kaphatikizidwe kuti akakonze ndikugwiritsa ntchito gawo lina, amatha kugawidwa kadongosolo, kusinthika ndi dongosolo la ma opareshoni, chitetezo kanayi.
Zochita kupanga
01 chothandizira ndi choletsa
Mu kapangidwe ka polyurethane Dienthorne Diamine ndiye ofunika kwambiri; Irlotin imaphatikizapo Stannous Carrylate, Dibutyl Tin Dilaute ndi zina zotero. Kuphatikiza apo, pali arccury arccury, mkuwa, chitsogozo, ndi chirongo chotsogolera ndi Mercury ndiye chofunikira kwambiri, monga kutsogolera ma caprycuric acetate. Organic Dibastic acid monga adipic acid ndi Azelaic acid angagwiritsidwe ntchito ngati othandizira kuthira mu mphira wa Polyretherter Polyurethane.
02 unyolo wowerenga ndi unyolo wowonjezera
Mu kapangidwe ka polyurethane elastomers, unyowe wowuma amatanthauza dirool ndi amines a aminery omwe ndi ofunikira kuti mukhale ndi chiwindi. Unyolo wowonjezera woloza umanena za kuchuluka komwe kumachitika mu chiwindi elastomers amangogwiritsa ntchito dinal; Zophatikizika za polyirethanene zimagwiritsa ntchito ma diols kapena allyl ethel.
Kugwiritsa ntchito mosintha
Zina mwazowonjezera izi zimatha kusintha magwiridwe antchito komanso mawonekedwe a mankhwalawo, ndipo ena amatha kukonza ntchitoyo, monga play
01
Phukusi limagwiritsidwa ntchito makamaka pa polyirethane. Cholinga chogwiritsa ntchito ndikuwonjezera pulasitikiyo, kukonza malo opangira mafuta ndi kutentha kochepa kwa mphira waipinolo kwa mphira wovuta, ndikuchepetsa kuuma ndi mphamvu yayikulu yolimba rabara. Kuchuluka kwa pulasitiri sikuyenera kukhala lalikulu kwambiri, apo ayi kumachepetsa kuvala kapena kuvala rabaji. Mbengani mphira uli ndi mphamvu yolimba kwambiri, motero kusankha kwakukulu kwa polar. Phtate Kutulutsa Phenomenon kumachitika pambuyo pa kuwonongeka. Mukamagwiritsa ntchito Gmaron Stun, Mphamvu ya anthu imakhala yokwera, kuphatikizika kosatha ndikochepa, koma kuuma kumachepetsedwa mwachionekere; Pamene trickerol phosphli imagwiritsidwa ntchito, mphamvu ya tunsile imakhala yotsika kwambiri ndi ya comemaron irin, koma kuuma kumachepetsedwa mwachiwonekere.
02 kuvala kuchepetsedwa
Munthawi zina, kuti muchepetse kuchuluka kwa polyurethar Ntchito ngati masitepe, bushing ndi zigawo zina, zili ndi tanthauzo lazachuma.
03 Mafuta
Mafuta omwe amagwiritsidwa ntchito ku Polyirethane Elastor amagwiritsidwa ntchito pokonza kutentha kwa thermoplastic komanso kusakaniza. Stearic acid ndi mchere wake, paraffin ndi staramide amagwiritsidwa ntchito kawirikawiri.
04 Omasulira Othandizira
Omasulira ndi mwayi wothandizira pakupanga mitundu itatu ya zinthu za polyurethar. Polyirethane ndi zinthu zolimba polymer. Ili ndi mphamvu yolumikizirana mwamphamvu yokhala ndi zida zachitsulo ndi polar. Popanda kumasula, zinthu ndizovuta kutuluka kuchokera ku nkhungu. Othandizira omasulira ndi rabara, ester, mafuta, sopo ndi zinthu zina polyterbluofene, elc.thylene
05 filler
Mafayilo amawonjezeredwa kuti achepetse ndalama zogulitsa ndikusintha kukana kutentha, kuchepetsa shrinkage ndi kuphatikiza kwa kuwonjezeka kwa mafuta ndi zina. Mu mtundu wa mphira wa polyuretharine umawonjezeredwa makope 20-30 a kaboni wakuda, cholinga chake sichothandiza, koma kusunga mphamvu zakuthupi ndi zamakina osasinthika osasinthika pansi pa mtengo wa zinthu. Ndi kuwonjezeka kwa kuchuluka kwa kaboni wakuda, mphamvu yakuwonekayo pang'onopang'ono idachepa, kuwuka kwa kaboni yakuda kwambiri, kutsatiridwa ndi kaboni yakuda, yolimbikitsidwa kaboni yakuda kwambiri. Ena mafakitale monga dongo, zoyera za carbon wakuda, calcium carbonate, barium sulfate, etc., itha kugwiritsidwanso ntchito.
06 Colorant
Zogulitsa za Polyurethane Elastomer ndizokongola, zokongola komanso zowolowa manja zimatengera kuvomerezeka. Pali mitundu iwiri ya colorants, utoto wopangidwa ndi utoto, utoto wopangidwa umagwiritsidwa ntchito kwambiri mu mankhwala a thermoplastic polyurethane, zokongoletsera ndi zokongoletsera. Kukongola kwa zinthu za elastomer nthawi zambiri kumakhala ndi njira ziwiri: chimodzi ndi zowonjezera zigalu ndi mafuta oledzera oledzera, kenako pambuyo poti muyeso wa polduum ndi zinthu zopota; Njira inanso ndi utoto ndi zina zowonjezera ndi oligomer polyals kapena pulasitiki yopukutira mu phala la utoto kapena phala la utoto, pambuyo potenthetsera madzi a pasanja. Mukamagwiritsa ntchito, onjezerani mtundu wa utoto wa utoto, woyambitsa bwino kenako ndikuchita ndi chingwe chowonjezera cholowa chothira zinthu. Njirayi imagwiritsidwa ntchito makamaka pa dongosolo la Moca Valcananition. Zambiri za pigment mu maakaunti a mtundu wa 10% -30%. Zowonjezera za utoto muzogulitsazo zimakhala zosakwana 0.1%.
Othandizila othandizira makamaka amatchula othandizila othandizira ndi kufulumidwa, amangogwiritsidwa ntchito m'malo osakanikirana ophatikizika. Wothandizira waku Vulcanunaning amaphatikizanso Isoctate, peroxir ndi sulufule. ESOCHANTOSE ESTERS imagwiritsidwa ntchito mu TDI ndi kutsika kwake, Mdi Dirter ndi Papi, ndi zosokoneza bongo, motero ndikofunikira kusamala ndi chitetezo ndikupewa madzi kulowa.
Ubwino wogwiritsa ntchito Inocyyanate wothandizila ndi wabwino kuvala kukana, kulimba kwambiri komanso kuuma. Peroxide Volizing wothandizira ku Diisopropylzene Peroxide (DCP) ndi yofala kwambiri, nthochi inanso, kutentha kwa alkyl℃ndizoyenera.
Ndi wothandizila wa peroxide kuvulaza ndipo istocyanate wothandizika poyerekeza ndi kuchuluka, zomwe zayambapo zimachepetsa mphamvu, kuvuta kochepa, kuwononga kochepa ndi kuwononga mphamvu ndi kutentha Kukaniza ndi wosauka, khalani ndi fungo; Pomwe kapangidwe ka polyurethane kamakhala ndi zigawo zosavomerezeka, kulumala kwa sulufur kungagwiritsidwe ntchito.
Kukhazikitsa dongosolo
Pofuna kupewa kukalamba kwa polyurethane rabar, kutalikitsa moyo wa malonda, kugwiritsidwa ntchito powonjezera kutentha, kukhazikika kwa kutentha, kukhazikika kwa hydrolysis, anti-agemerer ndi zina.
01 Kutentha
Makina a Play Polyurethane Maxidation Ortination siabwino, osokoneza bongo komanso osasinthika pansi pamoto, Pentaerythirol (5-di-tirt-butypheylpropiyate) - Antioxidant -1010), trsoxidant -102
02 staterizer
Amadziwikanso kuti ultraviolet kuyanjana, kumatha kusintha kosangalatsa kwa zonunkhira za Polyurethane. Okhazikika Omwe Amagwiritsidwa Ntchito Pakuphatikiza Benzophenone, Benzotriazole ndi Pierfadine, Hydroxy-4-24 '-'
03 Hydrolysis Stabilizer
Ngati mphira wa polyester polsurethane umagwiritsidwa ntchito m'malo otentha, makamaka m'madzi otentha, hydrolysis chikhazikitso chikuyenera kuwonjezeredwa. Mbidzi ya hydrolysis yomwe imagwiritsidwa ntchito kwambiri pamakampani a diiiimdi yopanga. Opangidwa ndi gehenay Rhein mankhwala chomera cha DIIMDID (PCD) ili ndi makeke awiri:℃, makamaka amagwiritsidwa ntchito munthawi yosungunuka ya polyester yamadzi polima polima, monga kuthira mtundu wa polyirethane, zokutira polyurethane; Omalizayo ali ndi kulemera kwakukulu ndipo amagwiritsidwa ntchito mu ma armoplastic komanso osakaniza pourentthane.
04 Anti-Mold Mtumiki
Polyther PolUstomene Elastorr ali ndi luso lamphamvu lamphamvu, mphamvu 0-level, sichidzaphuka. Mtundu wa polyester ndi polyε-Kaprocroctone mtundu wa polmurethane amatengeredwa ndi michere ya microbial ndi minofu yotentha komanso yachinyezi komanso yamdima, makamaka mwanuε-Kaprocroctone mtundu wa mitengo ya polUlmurethane ndi woopsa kwambiri, motero ndikofunikira kuwonjezera wothandizira wa mifa. Omwe amagwiritsa ntchito Antimilquinow ndi 8-hydroxyquinoline, hydroxyquinolone, pentachloropenol, tetrachloron, ridi-n-n-n-n-n-n-n-n-n-n-n-n-n-huryl stidine tinine) oxide) Oxide, phenylmercuric Acetate, etc. kuwonjezera pa 0,1% -1%. Kusankhidwa kwa Khalew Oletsa Milyew akuyenera kuganizira za minofu ndi kuwopsa kwa thupi laumunthu ndi zinthu zina zowoneka bwino kwa thupi la anthu (ld5%), Koma pali kukongoletsa.
05 Flame Retard
Mndandanda wa lackday Reardiant ya zida nthawi zambiri amayesedwa ndi index ya oxygen Mndandanda wa oxygen wa zinthu wamba polyirethane elastic zinthu ndi 19-20, zomwe zimakhala za chowonjezera. Polyirethane amagwiritsidwa ntchito mu mipando, zomangamanga, magalimoto, zojambula zopaka, ziyenera kukwaniritsa miyezo yobwezeretsanso yamphesa II. Chifukwa chake, loyala lamoto limagwiritsidwa ntchito kwambiri m'malonda a polyuretharane, ndipo ndiye mlingo waukulu kwambiri wazovuta za 1/3 mwa mankhwala onse a polyirethane. Flame retardant yagawidwa m'magulu awiriakulu ndi okhazikika, boron, zinc, zinc, zinc Kuchulukitsa, pakukula, mayendedwe, zida zosakanikirana zimayika zofunikira zazikulu, kugwiritsa ntchito sikovuta kwambiri.
Mankhwala osiyanasiyana a mankhwala ovomerezeka amatenga gawo lofunikira m'munda wa mankhwala abwino. Ngakhale kuchuluka kwake sikwachikulu, pali mitundu yambiri, kugwiritsa ntchito mitundu yambiri komanso phindu lalikulu. Makampani ambiri kunyumba ndi kunja kumachitika popanga zabwino zatsopano, makamaka zothandiza. Polyurethane ndi akatswiri osula kudzutsa kwa Kutuluka kwa Kutuluka kwa Kutuluka kwa Kutuluka kwa Kutuluka kwa Kutuluka kwa Kudza kwa Kudza kwa Dzuwa, Kuchita kwathunthu ndikwabwino, mawonekedwe a ntchito akukula.
Qingdao yuni yatsopano imachitika pakukula ndi kupanga kwa akatswiri owonjezera a polymel, monga antioxidants, UV Kutalikirana, Kukhazikika Kwakuya, Malawi Okhazikika a England.
Mwalandilidwa kuti:yihoo@yihoopolymer.com
Post Nthawi: Apr-12-2023