1. Tsanangudzo yemaradhi earamid
Aramid fiber izita rakabatanidzwa remafirita epolyamide ane aromatic.
2. Kupatsanurwa kwemafayibha earamid
Aramid fiber zvichienderana nechimiro chemorekuru inogona kukamurwa kuita mhando nhatu: para-aromatic polyamide fiber, inter-aromatic polyamide fiber, aromatic polyamide copolymer fiber. Pakati padzo, para-aromatic polyamide fibers dzakakamurwa kuita poly-phenylamide (poly-p-aminobenzoyl) fibers, poly-benzenedicarboxamide terephthalamide fibers, inter-position benzodicarbonyl terephthalamide fibers dzakakamurwa kuita poly-m-tolyl terephthalamide fibers, poly-N,Nm-tolyl-bis-(isobenzamide) terephthalamide fibers.
3. Hunhu hwemafaibha earamid
1. Hunhu hwakanaka hwemakanika
Interposition aramid ipolymer inochinjika, ine simba rinopwanyika kupfuura polyester yakajairika, donje, nayiloni, nezvimwewo, kureba kwayo kwakakura, kwakapfava kana tichibata, kugona kutenderera zvakanaka, kunogona kugadzirwa kuita hutete hwakasiyana, kureba kwemafaibha mapfupi uye filaments, kazhinji michina yemachira yakagadzirwa neshinda dzakasiyana dzakarukwa kuita machira, machira asina kurukwa, mushure mekupedzwa, kuti isangane nezvinodiwa nenzvimbo dzakasiyana dzezvipfeko zvekudzivirira.
2. Kudzivirira kupisa nemoto kwakanyanya
Iyo limiting oxygen index (LOI) ye m-aramid i28, saka hairambi ichitsva kana yabuda mumurazvo. Hunhu hwe m-aramid hunodzivirira moto hunoenderana nemaumbirwo ayo emakemikari, zvichiita kuti ive fiber inodzivirira moto inogara iripo isingaori kana kurasikirwa nehunhu hwayo hunodzivirira moto nekufamba kwenguva kana kugezwa. M-aramid inogara yakagadzikana pakupisa uye inogona kushandiswa nguva dzose pa205°C uye inochengetedza simba rakawanda pakupisa kunopfuura 205°C. M-aramid ine tembiricha yakakwira yekuora uye hainyungudike kana kudonha pakupisa kwakakwira, asi inotanga kutsva pakupisa kunopfuura 370°C.
3. Hunhu hwemakemikari hwakagadzikana
Pamusoro peasidhi nematombo akasimba, aramid haikanganisike nezvinonyungudutsa zve organic nemafuta. Simba remvura re aramid rakafanana nesimba rakaoma. Kugadzikana kwemhepo ine mvura yakasviba kuri nani pane kwemamwe mafiber e organic.
Aramid inonzwa zvishoma nechiedza cheUV. Kana ikaiswa muzuva kwenguva yakareba, inorasikirwa nesimba rakawanda uye nekudaro inofanira kuchengetedzwa nechikamu chekudzivirira. Chikamu ichi chekudzivirira chinofanira kukwanisa kudzivirira kukuvara kwemapfupa earamid kubva kuchiedza cheUV.
4. Kudzivirira mwaranzi
Kudzivirira kwemwaranzi kwe interposition aramids kwakanaka kwazvo. Semuenzaniso, pasi pe 1.72x108rad/s ye r-radiation, simba rinoramba riripo.
5. Kugara kwenguva refu
Mushure mekusukwa ka100, simba rekubvaruka kwemachira e m-aramid rinogona kusvika anopfuura 85% yesimba rawo rekutanga. Kudzivirira kupisa kwe para-aramids kwakakwira kupfuura kwe inter-aramids, nekupisa kunogara kuchishandiswa kubva -196°C kusvika 204°C uye hapana kuora kana kunyunguduka pa560°C. Hunhu hwakakosha hwe para-aramid isimba rayo rakakwirira uye modulus yakakwira, simba rayo rinodarika 25g/dan, inova 5~6 times yesimbi yepamusoro, 3 times yegirazi fiber uye 2 times ye nylon industrial yarn yakasimba; modulus yayo i2~3 times yesimbi yepamusoro kana girazi fiber uye 10 times ye nylon industrial yarn yakasimba. Maumbirwo akasiyana epamusoro e aramid pulp, anowanikwa ne surface fibrillation ye aramid fibers, anovandudza zvakanyanya kubata kwekomponi uye nekudaro akakodzera se fiber inosimbisa zvigadzirwa zvekukweshana nekusunga. Aramid Pulp Hexagonal Special Fibre I Aramid 1414 Pulp, ine yero yakajeka, ine flush, ine mapombi akawanda, ine simba guru, yakadzikama zvakanaka, hainyanyi kusimba, inodzivirira kupisa kwakanyanya, inodzivirira ngura, yakasimba, haina kusimba zvakanyanya, inodzivirira kukwesha, nzvimbo yakakura, inobatanidza zvakanaka nezvimwe zvinhu, chinhu chinosimbisa chine hunyoro hwe8%, kureba kwe2-2.5mm uye nzvimbo yepamusoro ye8m2/g. Inoshandiswa sechinhu chinosimbisa gasket chine simba rakanaka uye chinodzivirira, uye haina njodzi kuhutano hwevanhu nenharaunda, uye inogona kushandiswa pakuvhara mumvura, mafuta, acid uye alkali media. Zvave zvichiratidzwa kuti simba rechigadzirwa rakaenzana ne50-60% yezvigadzirwa zvakasimbiswa nefayibha yeasbestos kana pasi pe10% yeslurry yawedzerwa. Inoshandiswa kusimbisa zvinhu zvekukwesha uye zvekuvhara nezvimwe zvigadzirwa zvakagadzirwa, uye inogona kushandiswa seimwe nzira yeasbestos yezvigadzirwa zvekukwesha, bepa rekudzivirira rinopisa rinoita zvakanaka uye zvinhu zvakasanganiswa zvakasimbiswa.
Nguva yekutumira: Nyamavhuvhu-01-2022