Sehlopha sa thepa sa liatlana tsa nitrile se arotsoe haholo-holo ho latela bohloeki ba thepa e tala, thepa ea 'mele, theknoloji ea ts'ebetso le libaka tse sebetsang, jj. Litsela tse tloaelehileng tsa karohano ke tse latelang:
I. E arotsoe ho latela bohloeki ba thepa e tala le dikahare tsa ho se hlweke
- Liatlana tsa nitrile tsa maemo a indasteri
◦ Dikahare tsa rabara ya nitrile dihlahisweng tse tala di tlase haholo (hangata 60%-80%), ho tla eketswa di-filler tse ngata, di-softeners le di-additives tse ding, mme dikahare tsa ditshila (mohlala, di-ion tsa tshepe, di-monomers tse setseng) di hodimo.
◦ E loketse maemo a akaretsang a indasteri (mohlala, tlhokomelo ea mechini, ho hloekisa), ka litlhoko tsa mantlha tsa ho hanyetsa ho khohlela, ho hanyetsa oli le litšila, empa ha ho na litlhoko tse phahameng tsa bohloeki, kotsi ea ho aleji, jj.
- Liatlana tsa Nitrile tsa Bongaka/Lijo tsa Sehlopha sa Lijo
◦ Bohloeki bo phahameng ba rabara ea nitrile (≥80%), taolo e tiileng ea mefuta le tekanyo ea li-additives, ha ho li-additives tse bakang kankere, le litaba tse tlase haholo tsa litšila (mohlala, lintho tse ka ntšoang, li-index tsa likokoana-hloko tse tsamaellanang le maemo a amehang, joalo ka litlhoko tsa setifikeiti sa US FDA, EU CE).
◦ Ho ikamahanya hantle le lintho tse phelang, ha ho bonolo ho baka aleji, ho loketse tlhahlobo ea bongaka, ts'ebetso ea lijo le maemo a mang a nang le litlhoko tse phahameng tsa bohloeki le polokeho.
Ea bobeli, ho latela matšoao a tshebetso ya mmele
- Liatlana tsa nitrile tse matla tse tloaelehileng
◦ Matla a ho taboha hangata a pakeng tsa 15-25kN/m, matla a ho thapolla a 10-20MPa, bolelele ba 400%-600%, a loketse bakeng sa ts'ebetso ea letsatsi le letsatsi ea leseli (mohlala, mesebetsi ea lapeng, mesebetsi ea indasteri e sa hlokeng matla a mangata).
- Liatlana tsa nitrile tse matla haholo
◦ Matla a ho tabola ≥25kN/m, matla a ho thapolla ≥20MPa, ho lelefatsa ≥600%, dihlahiswa tse ding di ntlafatswa ka foromo (mohlala, eketsa bongata ba ho hokahanya) kapa moralo wa ho teteana, ho hanyetsa ho kgohlahala le ho hanyetsa ho phunyeha di ntlafatswa haholo, di loketse mesebetsi e matla jwalo ka kaho, tlhahiso ya dikoloi le indasteri ya dikhemikhale.
III. E arotsoe ka mosebetsi o khethehileng le ts'ebetso
- Liatlana tsa nitrile tse se nang phofo
◦ Tlosa phofo ka mokhoa o ts'oanang le kalafo ea microscope ea elektronike, ho hlatsoa chlorine, jj. ho qoba tšilafalo ea lerōle le kotsi ea ho allergy, ka boleng bo holimo ba thepa, e sebelisoang hangata maemong a hloekileng joalo ka bongaka, lisebelisoa tsa elektroniki, laboratori, jj.
- Liatlana tsa nitrile tse hananang le lik'hemik'hale
◦ Amohela rabara ea nitrile e nang le acrylonitrile e ngata (30%-40% ea acrylonitrile, ha e le ngata, e leng khanyetso e matla ea oli), khanyetso e betere ho li-solvents tsa manyolo, li-acid le li-alkali le lik'hemik'hale tse ling, ke ea thepa ea maemo a tšireletso ea profeshenale.
- Liatlana tsa nitrile tse thibelang ho sisinyeha/tse tsamaisang motlakase
◦ Kenya moemeli ea thibelang ho sisinyeha kapa thepa e tsamaisang motlakase, taolo ea khanyetso ea bokaholimo ho 10⁶-10¹¹Ω (antistatic) kapa 10⁴-10⁶Ω (conductive), e loketseng tlhahiso ea elektroniki, li-semiconductor le maemo a mang a ho nepahala a utloang ho sisinyeha ha motlakase, sehlopha sa thepa se hloka ho fihlela maemo a antistatic (joalo ka ISO 14644).
Sa bone, ho ya ka karolo ya setifikeiti sa maemo a indasteri – Ho latela maemo a bongaka (jwalo ka EN 455, ASTM D6319): ho hlokahala ho feta tlhahlobo ya dikokwana-hloko, tlhahlobo ya cytotoxicity, jj., ditlhoko tsa maemo a thepa di thata, ho netefatsa polokeho ya ho kopana le mmele wa motho kapa disebediswa tsa bongaka. – Ho latela maemo a ho kopana le dijo (mohlala, FDA 21 CFR 177.2600): Di-additi tse kotsi di a thibelwa, mme kganyetso ya ho falla ha thepa e fihlella maemo, e loketse ho kopana ka ho toba le dijo. – Ho latela maemo a tshireletso ya indasteri (mohlala, EN 374, ANSI/ISEA 105): ho tsepamisa maikutlo kganyeng ya dikhemikhale, kganyetso ya ho kgohlana, kganyetso ya ho phunyeha, jj., mme ho arolwa ka maemo (mohlala, maemo a ho hanyetsa ho kgohlana a Boemo ba 1-5) ho ya ka ditlhoko tse fapaneng tsa indasteri. Ha re akaretsa, maemo a thepa a diatlana tsa nitrile ke pontsho e felletseng ya “bohlweki, tshebetso le polokeho”: maemo a indasteri a shebana le ho tshwarella ha motheo, maemo a bongaka/dijo a totobatsa bohlweki le polokeho, mme maemo a ikgethang a tshebetso a matlafatsa tshebetso ya profeshenale bakeng sa diketsahalo tse itseng. Ha o kgetha, ho hlokahala hore o bapise sehlopha se tsamaellanang sa dihlahiswa ho ya ka maemo a tshebediso (mohlala, bohloeki, tshireletso, anti-static, jj.).
Nako ea poso: Phuptjane-26-2025