Ni ñu ko xamee, MBS / NOBS, TMTD, DTDM ak yeneen accelerators ci reaction sulfide bi dina dindi carcinogens nitrosamine nitrosamine, naka ngay mëna tànnee yeneen pexe? Bëgg nga jël sistem curing bu baax ci environmaa bi ngir mëna jëflante ak EU, xoolal ci suuf!
Acceleratëru vulcanisation bu ñuy jëfandikoo ci defar pëno yi mooy sulfenamide accelerator ak acceleratëru thiazole.i accelerator Thiazole bu amul toxic, waaye diir bi muy gëna gàtt, gaawaayu vulcanization bu màndarga yi ci defar cadre bi muy ñaareelu acelerator bu gëna feeñ, limu gëna néew ci accelerator M ak DM{2}}
Acceleratëru Sulfonamide bi yomb na liggéey ak wóor, gaawaayu curing bu gaaw ak màndarga physique ak mekanik yu kawe yi ci kaw variaires accelerator yi ci pëno yi, ñu koy faral di jëfandikoo lu ci melni MBS / NOBS, TBBS / NS, CBS / CZ, DDCBS / DZ{0}
MBS defar na nitrosamine, defarkatu pëno yi ci réew yu sowwu jàng, te gox yi dañu taxaw jëfandikoo accelerator bi, kër gi mingi jëfandikoo produit bii. Tre dafay faral di yokk benn accelerator thiuram ni ñaareelu accelerator, xeetu mbindéef yiñ gëna jëfandikoo mooy TMTD, produit bi mën na defar nitrosamine {1 ñiy joxe sulfurphine DTDM la, muy jur itam nitrosamine.
Ñatti xeeti macceer yu bees yi mën nañu jur azotsamine yu mëna lore ci wérgi-yaramu nit, EU dafa wax ni sàrti REACH bi dafa wax bu baax ni produit yi ñuy jaay ci EU tere ñu jëfandikoo macceer yu njëkk yi. Yenn ci yeneen anam yu ñuy mëna jëfandikoo ngir mëna wax:
1 mën nañu ko jëfandikoo ci palaasu TBBS / NS, waaye dañu wara yokk yeneen CTP yuy xeex scroching;
{0}} Lu moy TBSI, N-tert-bul-bis ({4}benzothiazole) sulfenamide scornonamide ci diggante NOBS ak DZ, njëg bi dafa woyof {5}) tur chimik bu TBSI Nt-bul-bis ({8}benzothiazole) accelerator{ 9}} Produit bii dañu koy jëfandikoo ci macceer plastik ngir yokk waxtu fraise bi ak màndarga yi ci wàllu wér bu yeex {{10} TBSI buñu ko méngale ak TBBS, ndax diisaayam bu rëy bi, stabilite termik bu baax, poñ bu gëna rëy ci TBSS 30 degre, ak diir bu yàgg, gaawaayu curing ak ñoom TBBS + CTP kese. Lu weesu TBSI, amna itam stable ndox, yombul denc; gëna yokk vulcanisation bu rubber bi am ci kawsu vaulcanisation; ci kawsu bi ak ci biir composé yiy lëkkaloo ak kable dañuy def lu baax; mën nañu ko jëfandikoo ci elastomer bi yépp, rawatina ngir xeex li ñuy laaj ci produit yu dëgër yu bari, ak ci.
{{0} Mën nañu jëfandikoo CBS ci palaasu, du defar N-nitrosamines acceleratëru NOBS, mingi méngoo ak wecci NOBS, tolluwaayu vulcanisation bi dafay gëna baax {2} Scorch bi gëna baax ci NOBS ak CZ, kawsu vulcanisé itam dañu koy jëfandikoo bu baax ci pënu dëkk yi ak yeneen produit de kawsu.
4. Mën nañu ko jëfandikoo ci palaasu XT580, N-fatty sulfenamide, muy liggéey bu méngoo ak NOBS, waaye itam lu amul toxic, njëg bi dafa gëna néew NOBS{4}}
Acceleratër MBS / NOBS:
Acceleratër TMTD:
{ (0}} TBZTD (tetrabenzylthuram dilfide) mën nañu ko jëfandikoo ci palaas bi, ak kaaraange gu gëna baax ak reversion; Tur TBZTD mooy tetrabenzylhiuram dilfide, abbreviated ni TBZTD{ {2} Produit bii ab accelerant thiuram bu bees la bu mëna wecci TMTD (tetramethyldisulfide thiuram) te mën nañu ko jëfandikoo muy accelerator bu mag bi wala co-acceleratëri bi ngir gaaw ci vulcanisation naturel, nirile ak styrene-budiene kawsu. Processing dafa gëna wóor, te amna diir bu gëna gudd ci hTMTD{6} Ndax ci poid moleculaire bu rëy, point meltting bu rëy ak decomposition bu jafe, TBZTD du defar nitrosamines {7} TBZTD, ci lu gëna ndaw, amna tolluwaayu set bu gëna néew TMTDD{8} Li ci TMTD. nekkaatna ab xeetu thiochlamid bu am njariñ bu am njariñ.
Agent DTDM:
{(0}} DTDC (N, N'-dithio caprolactam) mën nañu ko jëfandikoo ci barabu formileer kristaline bu weex, point melling bu 120 ~ 122 degre, fraction masse sulfur bu gëna mag {4} Ak li ñuy wecci ci curing DTDM, te doo soppi formul bi ak biir {5} wala wàll ci sulfur bi ngir sos sistem vulcanisation bu am njariñ wala bu semi-féfective {7} Bi agent vulcanizing bi mëna génne sulfur bu am doole ci anam vulcanization normale, ba noppi forme benn monosulfe sulfure ak ay lëkkaloo dilfide ci diggante molecule kawsu yi ak sulfur, structure reso bi ci kawsu mën na joxe resistance tàngoor bu baax ak qulcanizates ci vulcanizates Séx stress bu kawe {8} WC DTDC itam amna màndarga yi amul tóor-tóor, kaaraange gu bari, gaawaayu curing, mooy pneu bi ak yeneen produit kawsu yu mag, produit kawsu tàngoor, produit kawsu wérgi-yaram ak produit kawsu melo yi, agent curiling{{11111}}}
{ (0}} Alkyl disulfide (VULTAC) mën nañu ko jëfandikoo ci palaasu, phenol dilfide alkyl, méngoo ak yeneen sistem rubber polar ak trotoire bu weex.
{0}} Ludul jëfandikoo polysulfides alifatik{1}}