Litšobotsi tsa rabara ea nitrile le rabara ea EPDM le boleng ba hose ea rabara

1. Rabara ea Nitrile
Rabara ea nitrile e sebelisoa haholo-holo ha ho etsoa lihlahisoa tsa rabara tse sa keneleng oli.NBR ka bokhutšoanyane, rabara ea maiketsetso e entsoeng ka copolymerizing butadiene le acrylonitrile.Ke rabara ea maiketsetso e nang le khanyetso e ntle ea oli (haholo-holo oli ea alkane) le ho hanyetsa botsofali.
Rabara ea nitrile e hlahisoa ke emulsion polymerization ea butadiene le acrylonitrile.Rabara ea Nitrile e hlahisoa haholo ke polymerization ea mocheso o tlase oa mocheso o tlase.E na le khanyetso e ntle ea oli, khanyetso e phahameng ea ho apara, e hanyetsa mocheso o motle le ho khomarela ka matla..
Mefokolo ea eona ke ho hanyetsa mocheso o tlase, ho hanyetsa ozone, ts'ebetso e fokolang ea ho kenya letsoho, le elasticity e tlase hanyane.E ka sebelisoa nako e telele moeeng ho 120°C kapa ka oli ka 150°C.
Ho phaella moo, e boetse e na le ho thibela metsi hantle, ho tiisa moea le ts'ebetso e ntle ea ho kopanya, 'me e sebelisoa haholo ho hlahisa lihlahisoa tse sa tšoaneng tsa rabara tse hanyetsanang le oli.

2. rabara ea EPDM
Rabara ea EPDM ke sebopeho se se nang polar, se tletseng.Seo ho thoeng ke "non-polar" se bolela hore limolek'hule tse etsang polymer ha li na lihlopha tsa polar.Seo ho thoeng ke "saturation" se bolela hore limolek'hule tse etsang polymer ha li na li-bond tse peli.
EPDM (ethylene propylene diene monomer), e le mofuta oa rabara e nang le elasticity e ntle, ho roala ho hanyetsa, ho hanyetsa mocheso, ho hanyetsa boemo ba leholimo, ho hanyetsa ozone, metsi a hloekileng le ho thibela metsi a leoatle, e 'nile ea sebelisoa haholo lihlahisoa tsa rabara bakeng sa likoloi.

3. Joang ho ahlola hore na hose ea rabara e ntle kapa e mpe?
Sheba bokaholimo ba hose ea rabara: Ka kakaretso ho na le mefuta e 'meli ea bokaholimo ba rabara, bokaholimo bo boreleli le bokaholimo ba masela.Sebaka se boreleli se hloka sebaka se boreleli ntle le li-bubble le li-protrusions;bokaholimo bo entsoeng bo hloka hore lesela le pota-potileng le be le bataletseng le hole le le leng.
Sheba lera la ho matlafatsa: lera la ho matlafatsa ka kakaretso le pota-potiloe ke likhoele le lithapo tsa tšepe.Ha lihlopha li ntse li eketseha, khatello e kholo e amoheloang, e leng sepheo sa bohlokoa bakeng sa khethollo.
Sheba hore na hose ea rabara ke eccentric: tlas'a maemo a tloaelehileng, mokokotlo oa tube ea rabara o ka sebopeho se setle sa selikalikoe.Haeba e le elliptical kapa e se selikalikoe se phethahetseng, e ka ama ts'ebeliso ea tube ea rabara.
Sheba ts'ebetso ea ho kobeha ea hose ea rabara: kobeha hose bohareng, sheba 'mala o ka holimo le lebelo la ho khutla, phetoho ea' mala e nyane, 'me lebelo la ho khutla le potlakile, e leng se pakang hore boleng ba hose bo batla bo le ntle.

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Nako ea poso: Apr-21-2023