Tia Gbegbɔgblɔ . Silicone ƒe rababa . nye hatsotso gãtɔ kekeake le . Organic Silicon Nusiwo wowɔ . . . Enye polymer si me lãmenugbagbevi geɖe le si me nu gbagbe siwo me agbe mele o le . Si–O–Si . Kɔsɔkɔsɔ ƒe xɔtuɖoɖo veviwo kple lãmenugbagbeviwo ƒe axadzi ƒuƒoƒowo, si ƒo ƒu kple lãmenugbagbevi siwo me agbe mele o kple esiwo me lãmenugbagbeviwo mele o siaa.
ne wotsɔe sɔ kple dzɔdzɔmenuwo . Goma siwo wotsɔ lãwo ƒe lãmenugbagbeviwo wɔe ., Silicone ƒe rababa . Possesss nyuitɔ kekeake . Dzoxɔxɔ ƒe tsitretsitsi ., Yame ƒe Nɔnɔme Tsitretsitsi ., Elektrikŋusẽ ƒe nuléle ., Atikewo ƒe liƒo . , kple Dzɔdzɔmeŋusẽŋununya ƒe dɔmawɔmawɔ nyuie . , si wɔe be wozãnɛ le ƒe 1999 me. Elektrikŋusẽ ., Elektrɔnikmɔ̃wo ., Ʋuwo ., nuɖuɖu, aƒekɔ , kple Modzakaɖenuwo . Dɔwɔƒewo.
1. Silicone rababa si me dzoxɔxɔ le si me dzoxɔxɔ le ŋutɔ .
Silicone ƒe rababa . la koŋue woda ɖe hatsotsowo me . Vulcanized si me dzoxɔxɔ le ŋutɔ (HTV) . kple Xɔ-Dzoxɔxɔ Vulcanized (RTV) . ƒomeviwo. The RTV silicone rababa . woate ŋu amae ɖe edzi geɖe wu . Condensation-Dedi . kple Addition-dɔda . ɖoɖowo.
HTV silicone rababa . Wozãnɛ koŋ tsɔ wɔa nu vovovowo . Vulcanized rababa ƒe akpa aɖewo . , abe Ʋu ƒe nutrenu ƒe asigɛwo ., Gasketwo ., Ka ƒe Akɔtaɖonuwo ., Keyboard ƒe nusuekpɔmɔ̃wo . , kple Atikewɔwɔ ƒe Silicone Tubes ..
To vovo na esia la, . RTV silicone rababa . wozãnɛ zi geɖe abe . Nusiwo wotsɔna léa nu ɖe nu ŋu ., zewo ƒe ƒuƒoƒo . , alo Nusiwo wotsɔ wɔa aŋɔe . , siwo dometɔ aɖewo wɔa dɔ abe . Goma ƒe akpa siwo me womewɔadɔ le o . le emegbe dɔwɔwɔ alo ametakpɔnu ƒe xɔtuɖoɖowo me.
HTV silicone rababa . Ƒomevi geɖe le eme .: Methyl silicone rababa (MQ) ., Methyl vinyl silicone rababa (VMQ, si wozãna wu) , kple Methyl vinyl phenyl silicone rababa (PVMQ) . , si wonya ɖe eƒe nyuitɔ kekeake ta . Dzoxɔxɔ si mebɔ o . kple Kekeli ƒe tsitretsitsi ..
le wo dome la, . VMQ . Vinyl ƒe axadzikɔsɔkɔsɔ sue aɖe le eme, si doa vulcanization reactivity ɖe ŋgɔ. Ate ŋu azã vovovowo . Peroxide ƒe atikewo . eye wònaa amewo nyona ɖe edzi nyuie . Compression set tsitretsitsi . , si nye nunɔamesi vevi aɖe na . Vulcanized rababa ƒe akpa siwo wɔa dɔ nyuie ŋutɔ . abe O-rings . kple Gasket siwo wotsɔna tsia nu ..
Nu sia ɖea dɔwɔwɔ ƒe nɔnɔme nyuiwo fiana, extrusion surfaces siwo le gbadzaa, kple dɔwɔwɔ bɔbɔe, si wɔe be wònye esiwo wozãna wu la dometɔ ɖeka . HTV silicone rababa . le asi me.
1.1 Nusiwo hea ɣie le silicone rababa me vɛ .
le nuwɔwɔ ŋutɔŋutɔ si nye . HTV silicone rababa . , a . Vulcanization evelia . Zi geɖe la, wobiaa dɔwɔwɔ be woaɖe peroxide ƒe akpa siwo susɔ la ɖa eye woadzi . crosslinking density . , to esia me la, edoa ŋusẽ . Mɔ̃ɖaŋununya ƒe ŋusẽ . kple liƒo . ƒe . Vulcanized rababa ƒe akpa aɖewo ..
Gake le ɖoɖo sia me la, ame aɖewo . Silicone rababa ƒe nutovɛwo . May ƒe ɖeɖefia . Yellowing . alo dzi ɖe kpɔtɔ . Nuwɔwɔ le gaglãgbe . , si kpɔa ŋusẽ ɖe woƒe zazã le dɔwɔƒe siwo me dzadzɛnyenye le ŋutɔ abe . nuɖuɖu, dɔyɔyɔ , kple Ɣe ƒe keklẽŋusẽ ƒe ŋusẽ . Akpawo.
Numekukuwo ɖee fia be nusiwo gbɔ yellowing tso la dometɔ aɖewoe nye .:
Ti eyome Ga ƒe akpa aɖewo . alo Nitrate ions (No3 le gum alo additives raw me, si ʋãa ɣie le vulcanization evelia me;
Peroxide ƒe Gbegblẽ . Nuwo wɔwɔ . Acetone . , si kplɔa ame yia . α-hydroxybutyraldehyde ƒe ƒoƒo . kple Conjugated compound ƒe wɔwɔme .;
The pH ƒe sesẽme . ƒe . Silika si me dzo le . si kpɔa ŋusẽ ɖe ɣie ƒe sesẽme dzi vevie.
Eyata zi geɖe la, ŋgɔyiyi ƒe afɔɖeɖewo léa ŋku ɖe . Gum ƒuƒu ƒuƒu ., Silika si me dzo le . , kple Nusiwo wotsɔ kpe ɖe eŋu ..
1.2 Afɔɖeɖe siwo ana be tsinyenye ƒe tsitretsitsi nanyo ɖe edzi .
Numekulawo do susua ɖa be . Anti-yellowing Egbɔkpɔnuwo . . , abe:
Zã . Silicone-mi si ŋu wotrɔ asi le . si wɔa dɔ abe a . crosslinking co-agent . kple Atike si tsia tre ɖe yevute ŋu . le vulcanization me, si xea mɔ na amadede ƒe tɔtrɔ esime wole atikewɔwɔ ƒe duƒuƒu dzi ɖem kpɔtɔ kabakaba;
Dɔwɔwɔ . Atike siwo wotsɔna ƒoa nu ɖe atike si wotsɔ paste wɔe (2,5-peroxide) vulcanizing agents . kple liƒo si dzi ɖe edzi be woawɔ nusiwo me kɔ ŋutɔ . Vulcanized rababa ƒe akpa aɖewo . ;(https://www.sunlitetek.com/)
Totoɖeme . Nusiwo wowɔna le lãmenugbagbeviwo me . le esime Silika ƒe atikewɔwɔ si me dzo le . be woatsɔ akpɔ nusuewo ƒe lolome dzi eye woana kaka nanyo ɖe edzi;
Tsɔ kpe ɖe eŋu . Nusiwo wotsɔ kpe ɖe pyrophosphate ŋu si nye pyrophosphate . , si doa ŋusẽ anti-yellowing dɔwɔwɔ evɔ meɖea asi le eŋu o . Goma ƒe nɔnɔmewo ƒokpli ..
Menye ɖeko mɔnu siawo nana . Dzedzeme ƒe nyonyome . ƒe . Silicone rababa ƒe nutovɛwo . , gake nàdoe ɖe ŋgɔ hã . Dɔwɔwɔ ƒe liƒo . ƒe . Goma ƒe akpa siwo me womewɔadɔ le o . le preforming kple secondary vulcanization me.
2. Nyataƒoƒo .
Le ƒe ʋɛ siwo va yi me la, China ƒe . Organic silicon dɔwɔƒe . do ŋgɔ kabakaba, kple . Monomer wɔwɔ ƒe ŋutete . Saturation gbɔ ɖoɖo. dɔwɔƒe gãwo le tɔtrɔm ɖo ta . nyonyome deŋgɔ . kple dɔwɔwɔ silikɔnu siwo wowɔ ..
Vulcanized rababa ƒe akpa aɖewo . va zu alɔdze vevi aɖe si nye . Silicone rababa ƒe nu deŋgɔwo . , si wozãna le afisiafi le . Ʋuwo ., xɔtutu, Elektrɔnikmɔ̃wo ., dɔyɔyɔ , kple Ŋusẽ Yeye . Dɔwɔƒewo.
Le esime esia le edzi yim la, Goma ƒe akpa siwo me womewɔadɔ le o . wozãna geɖe wu le ƒe 1999 me. Adhesion ., Nutrenu . , kple Xɔtuɖoɖowo ƒe yɔyɔ . Dɔwɔwɔwo, si wɔa kadodo vevi aɖe le . Silicone rababa wɔwɔ ƒe kɔsɔkɔsɔ ..
esi asitsatsa ƒe mɔkpɔkpɔwo ɖe dzedzeme kple dɔwɔwɔ ŋu yi edzi le dzidzim ɖe edzi, si xe mɔ ɖe . Yellowing . kple beléle na . Nuwɔwɔ le gaglãgbe . kple liƒo . eme Silicone rababa ƒe nutovɛwo . va zu mɔ̃ɖaŋununya ƒe mɔfiame veviwo ʋukuku ƒe nuwo dodo ɖe ŋgɔ kple silicone rababa zazã le mɔ si keke ta wu nu.
Silicone ƒe rababa . nye hatsotso gãtɔ kekeake le . Organic Silicon Nusiwo wowɔ . ..
