Lelakabe retardant terata, e bua ka terata le maemo a mollo retardant, ka kakaretso tabeng ea teko, ka mor'a hore terata e chesoe, haeba phepelo ea motlakase e khaotsoe, mollo o tla laoloa ka har'a mefuta e itseng, e ke ke ea ata, e nang le mollo o thibelang mollo le ho thibela ts'ebetso ea mosi o chefo. terata e thibelang malakabe e le karolo ea bohlokoa ea polokeho ea motlakase, khetho ea thepa ea eona e bohlokoa, 'maraka oa hajoale o sebelisoa hangata lisebelisoa tsa terata tse thibelang malakabe ho kenyelletsa.PVC, XLPE, rabara ea silicone le lisebelisoa tsa ho kenya liminerale.
Mohala o thibelang mollo le khetho ea thepa ea cable
Ha index ea oksijene e phahame ea thepa e sebelisoang ka mohala o thibelang lelakabe, ho ntlafatsa ts'ebetso e thibelang lelakabe, empa ka keketseho ea index ea oksijene, ho hlokahala hore u lahleheloe ke thepa e 'ngoe. Haeba thepa ea 'mele le thepa ea ts'ebetso ea thepa e fokotsehile, ts'ebetso e thata,' me theko ea thepa e ntse e eketseha, ka hona ho hlokahala hore u khethe index ea oksijene ka mokhoa o utloahalang le ka mokhoa o nepahetseng, index ea oksijene ea thepa e akaretsang e fihla ho 30, sehlahisoa se ka fetisa litlhoko tsa tlhahlobo ea sehlopha sa C ka mokhoa o tloaelehileng, haeba thepa ea ho sheathing le ho tlatsa e le lisebelisoa tse thibelang mollo, sehlahisoa se ka finyella litlhoko tsa Sehlopha sa Bwire le lisebelisoa tse ka sehloohong. e arotsoe ka lisebelisoa tse thibelang lelakabe la halogenated le lisebelisoa tse thibelang lelakabe tse se nang halogen;
1. Lisebelisoa tse thibelang lelakabe la halogenated
Ka lebaka la ho bola le ho lokolloa ha hydrogen halide ha mollo o chesa, hydrogen halide e ka hapa motso o sebetsang oa mahala oa radical HO, e le hore ho chesoa ha thepa ho liehe kapa ho tima ho finyella morero oa ho thibela mollo. Hangata ho sebelisoa polyvinyl chloride, rabara ea neoprene, chlorosulfonated polyethylene, rabara ea ethylene-propylene le lisebelisoa tse ling.
1 E le ho ntlafatsa ho lieha ha lelakabe la PVC, li-halogen flame retardants (decabromodiphenyl ethers), liparafine tse chlorine le li-synergic flame retardants hangata li eketsoa ka foromo ho ntlafatsa ho lieha ha lelakabe la PVC.
Ethylene propylene rabara (EPDM): li-hydrocarbon tse seng polar, tse nang le thepa e ntle haholo ea motlakase, ho hanyetsa ho kenella ka matla, tahlehelo e tlase ea dielectric, empa rabara ea ethylene propylene ke lisebelisoa tse tukang, re tlameha ho fokotsa sekhahla sa rabara ea ethylene propylene, ho fokotsa khokahano ea ketane ea limolek'hule e bakiloeng ke thepa e tlase ea boima ba limolek'hule ho ntlafatsa thepa ea thepa;
(2) Mosi o tlase le lisebelisoa tse fokotsang mollo oa halogen
Haholo-holo bakeng sa polyvinyl chloride le chlorosulfonated polyethylene lisebelisoa tse peli. Kenya CaCO3 le A(IOH)3 ho foromo ea PVC. Zinc borate le MoO3 li ka fokotsa ho lokolloa ha HCL le palo ea mosi oa polyvinyl chloride ea lelakabe, ka hona e ntlafatsa ho lieha ha lelakabe la thepa, ho fokotsa halogen, moholi oa acid, ho tsoa mosi, empa ho ka etsa hore index ea oksijene e fokotsehe hanyane.
2. Lisebelisoa tse thibelang lelakabe tse se nang Halogen
Polyolefin ke lisebelisoa tse se nang halogen, tse nang le li-hydrocarbon tse senyang carbon dioxide le metsi ha li chesoa ntle le ho hlahisa mosi o moholo le likhase tse kotsi. Polyolefin haholo-holo e kenyelletsa polyethylene (PE) le ethylene - vinyl acetate polymers (E-VA). Lisebelisoa tsena ka botsona ha li na lelakabe, li hloka ho eketsa li-inorganic flame retardants le li-flame retardants tsa phosphorus, e le hore li ka sebetsa ho ba lisebelisoa tse thibelang lelakabe tse se nang halogen; Leha ho le joalo, ka lebaka la khaello ea lihlopha tsa polar holim'a ketane ea limolek'hule ea lintho tse sa polar tse nang le hydrophobicity, kamano le li-inorganic flame retardants e futsanehile, ho thata ho tiisa tlamahano. Bakeng sa ho ntlafatsa tšebetso ea holim'a polyolefin, li-surfactants li ka eketsoa foromong. Kapa ka polyolefin e kopantsoeng le li-polymer tse nang le lihlopha tsa polar, e le ho eketsa palo ea li-fillers tse thibelang malakabe, ho ntlafatsa thepa ea mochine le thepa ea ho sebetsana le thepa, ha u ntse u fumana matla a ho thibela mollo. Ho ka bonoa hore terata e thibelang malakabe le mohala o ntse o le molemo haholo, 'me tšebeliso e na le botsoalle ba tikoloho.
Nako ea poso: Dec-03-2024