Pulasitiki katundu wamba mphira

1. Labala wachilengedwe
Labala wachilengedwe ndi wosavuta kupeza pulasitiki.Kukhuthala kosalekeza komanso kutsika kwamphamvu kwa rabara yachimuna kumakhala ndi kukhuthala koyambirira ndipo nthawi zambiri safunika kupakidwa pulasitiki.Ngati kukhuthala kwa Mooney kwa mitundu ina ya zomatira zokhazikika kumapitilira 60, ziyenera kupangidwabe.Mukamagwiritsa ntchito chosakanizira chamkati pakuumba, nthawi ndi pafupifupi mphindi 3-5 pamene kutentha kumafika pamwamba pa 120 ℃.Mukawonjezera ma pulasitiki kapena mapulasitiki, amatha kufupikitsa nthawi ya pulasitiki ndikuwonjezera mphamvu ya pulasitiki.
2. Styrene-butadiene
Nthawi zambiri, mawonekedwe a Mooney a Styrene-butadiene nthawi zambiri amakhala pakati pa 35-60.Chifukwa chake, styrene-butadiene imafunikiranso pulasitiki.Koma kwenikweni, pambuyo plasticizing, dispersibility wa compounding wothandizira akhoza bwino, amene amathandiza kusintha khalidwe mankhwala.Makamaka pakupanga mphira wa siponji, Styrene-butadiene ndiyosavuta kutulutsa thovu pambuyo popaka pulasitiki, ndipo kukula kwa mphira kumakhala kofanana.
3. Polybutadiene
Polybutadiene ili ndi katundu wozizira ndipo sikophweka kupititsa patsogolo pulasitiki.Pakalipano, kukhuthala kwa Mooney kwa Polybutadiene komwe kumagwiritsidwa ntchito nthawi zambiri kumayendetsedwa munjira yoyenera panthawi ya polymerization, kotero imatha kusakanikirana popanda pulasitiki.
4. Neoprene
Neoprene nthawi zambiri safunikira kupangidwa ndi pulasitiki, koma chifukwa cha kulimba kwake, ndiyothandiza pakugwira ntchito.Kutentha kocheperako komwe kumadutsa nthawi zambiri kumakhala 30 ℃ -40 ℃, komwe kumakhala kosavuta kumamatira ku mpukutuwo ngati kuli kokwera kwambiri.
5. Ethylene propylene rabara
Chifukwa chodzaza ndi unyolo waukulu wa mphira wa Ethylene propylene, zimakhala zovuta kuyambitsa kusweka kwa maselo ndi pulasitiki.Chifukwa chake, ndikofunikira kuti muphatikize kuti mukhale ndi mamasukidwe oyenera a Mooney popanda kufunikira kuumba.
6. mphira wa Butyl
Rabara ya Butyl imakhala yokhazikika komanso yofewa yamankhwala, mamolekyu ang'onoang'ono olemera komanso madzimadzi ambiri, kotero kuti makina opangira pulasitiki siakulu.Rabara ya Butyl yokhala ndi kutsika kwa Mooney viscosity imatha kusakanizidwa mwachindunji popanda kupanga pulasitiki.
7. Mpira wa nitrile
Rabara ya Nitrile imakhala ndi pulasitiki yaying'ono, yolimba kwambiri komanso kutentha kwakukulu pakupanga pulasitiki.Choncho, kutentha kochepa, mphamvu zochepa komanso pulasitiki yogawidwa nthawi zambiri imagwiritsidwa ntchito pamphero yotseguka kuti ikwaniritse zotsatira zabwino.Nitrile mphira sayenera pulasitiki mu chosakanizira mkati.Monga mphira wofewa wa Nitrile uli ndi pulasitiki inayake, ukhoza kusakanikirana mwachindunji popanda kuyenga pulasitiki.