Waya inodzoreredza moto, inoreva waya ine mamiriro ekudzora moto, kazhinji kana iri bvunzo, mushure mekunge waya yapiswa, kana magetsi akagurwa, moto unodzorwa mukati mehumwe huwandu, hauparadzire, nemurazvo unodzoreredza uye inhibit utsi hunotyisa. Flame retardant waya sechikamu chakakosha chekuchengetedzwa kwemagetsi, kusarudzwa kwezvinhu zvayo kwakakosha, musika wazvino unowanzo shandiswa neflame retardant waya zvinhu zvinosanganisira.PVC, XLPE, silicone rubber uye mineral insulation zvinhu.
Flame retardant waya uye kusarudzwa kwezvinhu zvetambo
Iyo yakakwirira iyo oksijeni indekisi yezvinhu zvinoshandiswa mumurazvo unodzoreredza tambo, zviri nani murazvo unodzora kuita, asi nekuwedzera kweiyo okisijeni index, zvinodikanwa kurasikirwa nezvimwe zvivakwa. Kana zvimiro zvemuviri uye mashandiro echigadzirwa akaderedzwa, kushanda kwakaoma, uye mutengo wezvinhu wakawedzerwa, saka zvinodikanwa kuti zvine musoro uye zvakakodzera kusarudza iyo okisijeni index, iyo okisijeni indekisi yeyakajairwa insulation zvinhu inosvika makumi matatu, chigadzirwa chinogona kupasa bvunzo zvinodiwa zvekirasi C muyero, kana sheathing uye zvinhu zvekuzadza zviri murazvo zvinodzoreredza, chigadzirwa chinogona kusangana nezvinodiwa zveKirasi A tambo zvinhu zvakanyanya. yakakamurwa kuita halogenated flame retardant materials uye halogen-isina flame retardant zvinhu;
1. Halogenated flame retardant zvinhu
Nekuda kwekuora uye kuburitswa kwe hydrogen halide kana kupisa kuchipisa, hydrogen halide inogona kutora iyo inoshanda yemahara radical HO midzi, kuitira kuti kupisa kwechinhu kunonoke kana kudzima kuti kuzadzisa chinangwa chemoto retardant. Inowanzoshandiswa polyvinyl chloride, neoprene rubber, chlorosulfonated polyethylene, ethylene-propylene rubber nezvimwe zvinhu.
(1) Flame retardant polyvinyl chloride (PVC): Nekuda kwemutengo wakachipa wePVC, yakanaka insulation uye inodzoreredza murazvo, inoshandiswa zvakanyanya mune yakajairwa murazvo unodzoreredza waya netambo. Kuti uvandudze kudzoreredza kwemoto wePVC, halogen flame retardants (decabromodiphenyl ethers), maparafini ane chlorinated uye synergic flame retardants anowanzowedzerwa kune formula yekuvandudza murazvo wePVC.
Ethylene propylene rubber (EPDM): asiri-polar hydrocarbons, ane akanakisa emagetsi zvivakwa, yakakwirira insulation kuramba, yakaderera dielectric kurasikirwa, asi ethylene propylene rabha zvinhu zvinopfuta, isu tinofanirwa kudzikisa dhigirii recrosslinking ethylene propylene rubber, kuderedza kubviswa kwema molecular chain kunokonzerwa nekushomeka kwema molecular uremu zvinhu, muhurongwa hwekugadzirisa zvinhu;
(2) Utsi hwakaderera uye yakaderera halogen murazvo wemoto retardant zvinhu
Kunyanya kune polyvinyl chloride uye chlorosulfonated polyethylene zvinhu zviviri. Wedzera CaCO3 uye A (IOH) 3 kune fomula yePVC. Zinc borate uye MoO3 inogona kuderedza kusunungurwa kweHCL uye hutsi hwehutsi hwemoto wepolyvinyl chloride, zvichiita kuti moto udzore shure kwezvinhu, kuderedza halogen, acid fog, kubuda kweutsi, asi inogona kuita kuti oxygen index ideredze.
2. Halogen-isina flame retardant zvinhu
Polyolefins zvinhu zvisina halogen, zvinosanganisira mahydrocarbons anoputsa kabhoni dhaikisaidhi nemvura kana zvapiswa pasina kuburitsa hutsi hwakakura uye magasi anokuvadza. Polyolefin inonyanya kusanganisira polyethylene (PE) uye ethylene - vinyl acetate polymers (E-VA). Zvishandiso izvi pachazvo hazvina zvinodzikisira murazvo, zvinoda kuwedzera inorganic flame retardants uye phosphorus series flame retardants, kuitira kuti igadzirise kuita zvinhu zvinoshanda zvehalogen-isina rimi retardant; Nekudaro, nekuda kwekushaikwa kwemapoka epolar pane molecular cheni yezvinhu zvisiri-polar zvine hydrophobicity, hukama neinorganic flame retardants haina kunaka, yakaoma kusungirira zvakasimba. Kuti uvandudze basa repamusoro re polyolefin, ma surfactants anogona kuwedzerwa kune formula. Kana mu polyolefin yakasanganiswa nemapolymer ane mapoka epolar, kuitira kuti uwedzere huwandu hwefivha inodzoreredza moto, kunatsiridza zvivakwa zvemuchina uye kugadzirisa zvinhu zvezvinhu, uku uchiwana zvirinani zvinodzoreredza moto. Zvinogona kuoneka kuti murazvo unodzoreredza waya uye tambo ichiri yakanakira, uye kushandiswa kwacho kwakanyatso nharaunda.
Nguva yekutumira: Zvita-03-2024