Rabara ea maiketsetso ke e 'ngoe ea thepa e meraro e meholo ea maiketsetso 'me e sebelisoa haholo likarolong tse fapaneng tsa indasteri, tšireletso ea naha, lipalangoang le bophelo ba letsatsi le letsatsi. Rabara ea maiketsetso e sebetsang hantle le e sebetsang ke thepa ea bohlokoa ea motheo e tsoetseng pele e hlokahalang bakeng sa nts'etsopele ea mehla e mecha, 'me hape ke mohloli oa bohlokoa oa maano bakeng sa naha.
Lisebelisoa tse khethehileng tsa rabara tsa maiketsetso li bolela lisebelisoa tsa rabara tse fapaneng le lisebelisoa tsa rabara tse akaretsang 'me li na le litšobotsi tse ikhethang tse kang ho hanyetsa mocheso o phahameng le o tlase, ho hanyetsa botsofali, ho hanyetsa ablation, le ho hanyetsa lik'hemik'hale, haholo-holo rabara ea nitrile e nang le hydrogenated (HNBR), thermoplastic vulcanizate (TPV), rabara ea silicone, rabara ea fluorine, rabara ea fluorosilicone, rabara ea acrylate, jj. Ka lebaka la litšobotsi tsa eona tse khethehileng, lisebelisoa tse khethehileng tsa rabara li fetohile lisebelisoa tsa bohlokoa tse hlokahalang bakeng sa nts'etsopele ea maano a maholo a naha le masimo a hlahang joalo ka sefofane, tšireletso ea naha le indasteri ea sesole, tlhahisoleseling ea elektroniki, matla, tikoloho le leoatle.
1. Rabara ea nitrile e nang le hydrogenated (HNBR)
Rabara ea nitrile e nang le hydrogen ke thepa ea rabara e tletseng haholo e fumanoang ka ho eketsa hydrogen ka khetho ea li-unit tsa butadiene tse ketane ea rabara ea nitrile ka sepheo sa ho ntlafatsa khanyetso ea mocheso le khanyetso ea botsofali ea rabara ea nitrile butadiene (NBR). , tšobotsi ea eona e ka sehloohong ke hore e ka sebelisoa nako e telele ho 150 ℃, 'me e ntse e ka boloka thepa e phahameng ea' mele le ea mechini mochesong o phahameng, e ka fihlelang litlhoko tse khethehileng tsa khanyetso ea mocheso o phahameng le khanyetso ea lik'hemik'hale ea thepa likoloing, lifofaneng, masimong a oli le masimong a mang. Litlhoko, tse sebelisoang haholo, joalo ka litiiso tsa oli tsa likoloi, likarolo tsa sistimi ea mafura, mabanta a phetisetso ea likoloi, mabokose a ho tjheka le lipiston bakeng sa seretse, li-roller tsa rabara tsa khatiso le tsa masela, litiiso tsa lifofane, thepa ea ho monya litšeho, jj.
2. Thermoplastic Vulcanizate (TPV)
Li-vulcanizate tsa Thermoplastic, tse khutsufalitsoeng e le li-TPV, ke sehlopha se khethehileng sa li-elastomer tsa thermoplastic tse hlahisoang ke "dynamic vulcanization" ea metsoako e sa kopaneng ea li-thermoplastic le li-elastomer, ke hore khetho ea karolo ea elastomer nakong ea ho kopanya ho qhibiliha le thermoplastic Sexual cross-linking. Ho qhibiliha ha karolo ea rabara ka nako e le 'ngoe boteng ba moemeli oa ho hokahanya (mohlomong li-peroxide, li-diamine, li-accelerator tsa sebabole, jj.) nakong ea ho qhibiliha ho kopanya le li-thermoplastic ho fella ka matrix ea thermoplastic e tsoelang pele ea dynamic vulcanizate e entsoeng ka rabara e kopantsoeng e hasaneng. Likaroloana tse karolong ena, dynamic vulcanization li lebisa keketsehong ea viscosity ea rabara, e khothalletsang phetoho ea karolo le ho fana ka sebopeho sa mekhahlelo e mengata ho TPV. TPV e na le ts'ebetso e ts'oanang le rabara ea thermosetting le lebelo la ts'ebetso ea thermoplastics, tse iponahatsang haholo ka karolelano e phahameng ea ts'ebetso/theko, moralo o tenyetsehang, boima bo bobebe, mocheso o pharaletseng oa ts'ebetso, ts'ebetso e bonolo, boleng ba sehlahisoa le botsitso ba litekanyo le e ka sebelisoang hape, e sebelisoa haholo likarolong tsa likoloi, kaho ea motlakase, litiiso le masimo a mang.
3. Rabara ea silicone
Rabara ea silicone ke mofuta o ikhethang oa rabara ea maiketsetso e entsoeng ka polysiloxane e otlolohileng e kopantsoeng le li-filler tse matlafatsang, li-filler tse sebetsang le li-additives, 'me e fetoha elastomer e kang marang-rang ka mor'a ho vulcanization tlas'a maemo a ho futhumatsa le khatello. E na le khanyetso e ntle ea mocheso o phahameng le o tlase, khanyetso ea boemo ba leholimo, khanyetso ea ozone, khanyetso ea arc, insulation ea motlakase, khanyetso ea mongobo, khanyetso e phahameng ea moea le inertia ea fisioloji. E na le mefuta e mengata ea lits'ebetso indastering ea sejoale-joale, ea elektroniki le ea motlakase, ea likoloi, ea kaho, ea bongaka, ea tlhokomelo ea botho le masimo a mang, 'me e fetohile thepa e tsoetseng pele ea bohlokoa e sebetsang hantle lefapheng la lifofane, la tšireletso le la sesole, la tlhahiso e bohlale le mafapheng a mang.
4. Rabara ea fluorine
Rabara ea fluorine e bolela rabara e nang le fluorine e nang le liathomo tsa fluorine liathomong tsa khabone tsa ketane e kholo kapa liketane tse ka thoko. Thepa ea eona e ikhethang e khethoa ke litšobotsi tsa sebopeho sa liathomo tsa fluorine. Rabara ea fluorine e ka sebelisoa ho 250°C nako e telele, 'me mocheso o phahameng ka ho fetisisa oa tšebeletso o ka fihla ho 300°C, ha mocheso o lekanyelitsoeng oa tšebeletso oa EPDM ea setso le rabara ea butyl e le 150°C feela. Ntle le ho hanyetsa mocheso o phahameng, fluororubber e na le khanyetso e ntle ea oli, khanyetso ea lik'hemik'hale, khanyetso ea asiti le alkali, 'me ts'ebetso ea eona e felletseng ke eona e ntle ka ho fetisisa har'a lisebelisoa tsohle tsa rabara ea elastomer. E sebelisoa haholo bakeng sa khanyetso ea oli ea lirokete, limisaele, lifofane, likepe, likoloi le likoloi tse ling. Masimo a merero e khethehileng joalo ka ho tiisa le liphaephe tse hanelang oli ke lisebelisoa tsa bohlokoa bakeng sa moruo oa naha le indasteri ea ts'ireletso ea naha le ea sesole.
5. Rabara ea acrylate (ACM)
Rabara ea Acrylate (ACM) ke elastomer e fumanoang ka copolymerization ea acrylate e le monomer e kholo. Ketane ea eona e kholo ke ketane ea carbon e tletseng, 'me lihlopha tsa eona tse ka thoko ke lihlopha tsa polar ester. Ka lebaka la sebopeho sa eona se ikhethang, e na le litšobotsi tse ngata tse ntle, tse kang ho hanyetsa mocheso, ho hanyetsa botsofali, ho hanyetsa oli, ho hanyetsa ozone, ho hanyetsa UV, jj., litšobotsi tsa eona tsa mechini le litšobotsi tsa ts'ebetso li betere ho feta rabara ea fluororubber le silicone, 'me ho hanyetsa mocheso, ho hanyetsa botsofali le ho hanyetsa oli li ntle haholo. ka rabara ea nitrile. ACM e sebelisoa haholo libakeng tse fapaneng tsa mocheso o phahameng le tse hanelang oli, 'me e fetohile thepa ea ho tiisa e ntlafalitsoeng le ho khothaletsoa ke indasteri ea likoloi lilemong tsa morao tjena.
Nako ea poso: Loetse-27-2022
