sulphur e ntšo 240%ke motsoako o phahameng oa limolek'hule o nang le sebabole se eketsehileng, sebopeho sa sona se na le li-bond tsa disulfide le li-polysulfide, 'me ha se tsitse haholo.Haholo-holo, tlamo ea polysulfide e ka oxidized ho sulfur oxide ka oksijene moeeng tlas'a maemo a itseng a mocheso le mongobo, 'me e tsoela pele ho sebelisana le limolek'hule tsa metsi moeeng ho hlahisa sulfuric acid, kahoo ho fokotsa matla a khoele, fiber brittleness, le likhoele tsohle li embrittle ho ba phofo ha tebileng.Ka lebaka lena, ho fokotsa kapa ho thibela tšenyo ea fiber brittleness ka mor'a ho daea ka dae e ntšo e kentsoeng, lintlha tse latelang li tlameha ho hlokomeloa:
① Palo ea dae e ntšo e kentsoeng e lokela ho fokotsoa, 'me palo ea dae e khethehileng ea 'mala ha ea lokela ho feta 700g / pakete.Hobane palo ea dae e phahame, monyetla oa ho brittleness o moholo, 'me ho potlaka ha ho daea ho fokotsehile,' me ho hlatsoa ho thata haholoanyane.
② Ka mor'a ho daea, e lokela ho hlatsuoa ka ho feletseng ho thibela ho hlatsoa ho sa hloekang, 'me 'mala o phaphametseng holim'a khoele o bonolo ho senyeha ka sulfuric acid nakong ea polokelo, e leng se etsang hore fiber e brittle.
③ Kamora ho daea, urea, molora oa soda le acetate ea sodium e tlameha ho sebelisoa bakeng sa kalafo ea anti-brittleness.
④ Khoele e belisoa ka metsing a hloekileng pele e dauoa, 'me tekanyo ea embrittlement ea khoele e dailoeng ka metsing a hloekileng e molemo ho feta ea lye ka mor'a ho dauoa.
⑤ Lesela le lokela ho omisoa ka nako ka mor'a ho daea, hobane khoele e metsi e bonolo ho futhumatsa ka har'a ts'ebetso ea qubu, e le hore litaba tsa khoele ea anti-brittleness li fokotsehe, boleng ba pH bo fokotsehile, bo sa lumellaneng le anti-brittleness. brittleness.Ka mor'a ho omisa khoele, e lokela ho pholile ka tlhaho, e le hore mocheso oa khoele o ka kenngoa pele o oela mocheso oa kamore.Hobane ha e pholile ka mor'a ho omisa 'me hang-hang e phuthetsoe, mocheso ha o bonolo ho o aba, o eketsang matla a ho bola ha dae le asiti, e leng se bakang monyetla oa hore fiber e be brittle.
⑥Ho khethoa ha lidae tse ntšo tse khahlanong le brittle-sulphur, lidae tse joalo li kentsoe ho formaldehyde le chloroacetic acid ha ho etsoa, methyl-chlorine e hlahisitsoeng ke anti-brittle-black, e le hore liathomo tsa sebabole tse nang le oxid habonolo li fetohe boemo bo tsitsitseng. e ka thibela oxidation ea liathomo tsa sebabole ho hlahisa acid le brittle fiber.
Nako ea poso: Jan-22-2024