Pik Langwej . 1. Rɔba .
di difinishɔn we dɛn aksept ɔlsay na di wɔl fɔ di difinishɔn fɔ . rɔba na di say we dɛn tɔk bɔt am frɔm . ASTM D1566 (American Society for Testing and Materials).
Minin:
Rɔba na matiryal we ebul fכ rεkכva kwik εn fכs afta big difכmeshכn, εn dεn kin mכdify am (dεn kin mכdify am ( Vulkaniz dɛn . ). Di rɔba we dɛn dɔn chenj na essentiƆly . Insɔlɔbul . (bɔt Swellable . ) insay Bɔyl . Benzin ., Methyl ethyl ketone na di . , ɔ Ethanol–Tɔlɔn . sɔlvɛnt miksɔp dɛn.
Na rum tempɔret (18–29 °C), we dɛn strɛch wan pat pan di rɔba we dɛn dɔn chenj to tu tɛm in ɔrijinal lɔng ɛn ol am fɔ wan minit, we i rilis i de kam bak insay wan minit to less dan 1.5 tɛm in ɔrijinal lɔng.
Wan matirial we de sho dɛn kwaliti dɛn ya, dɛn dɔn difayn am as . rɔba.
Notis dɛn .:
Rɔba na wan matirial we gɛt spɛshal aplikeshɔn ɛn prɔsesin prɔpati dɛn ɛn i de na di klas fɔ . Ɔrganik polima matirial dɛn ..
Rɔba Ɛgzibit dɛn . Ay ɛlastikiti . na rum tɛmpracha.
Di wɔd “modifiable” de tɔk bɔt aw i ebul fɔ du am . Vulkanizayshɔn ..
Vulkaniz rɔba . IS . Insɔlɔbul . bɔt Swellable . in sɔlvɛnt dɛn.
2. Raw rɔba .
Raw rɔba . Na di tin dɛn we dɛn tɔk bɔt . Rɔba we nɔ gɛt dɔti we nɔ gɛt wan dɔti . dat nɔ bin dɔn kɔmpawnd wit aditiv ɛn dɛn nɔ dɔn du am yet . Krɔslinking . . Bɔku tɛm, i kin gɛt fɔ du wit . Linear makromolekyul dɛn . ɔ Branch linya polim er . ɛn i de . Sɔlv . Insay 1999. Ɔrganik sɔlvɛnt dɛn ..
Raw rɔba . na men wan we dɛn kin yuz fɔ mek difrɛn difrɛn tin dɛn . Nɔn-vulkaniz rɔba kɔmpɔnɛnt dɛn . , lɛk temporary siling gaskets ., Joyn dɛn we nɔ gɛt dɔti , ɛn Leya dɛn we de kɔt rɔba ..
Dɛn prɔdak ya de sho gud . Plastisiti . ɛn Riprosɛsabiliti . , bɔt i smɔl . Di wan dɛn we de fɛt fɔ mek di ples wam . ɛn Mekanikal Strɔng . , we mek dɛn fayn fɔ . Pre-prosɛsin . ɔ Semi-finished stej dɛn . di wan dɛn we de mek rɔba.
3. Rɔba kɔmpawnd (mix rɔba) .
Rɔba kɔmpawnd (kɔmpawnd rɔba) . Na di tin dɛn we dɛn tɔk bɔt . Raw rɔba . dat dɔn miks wit difrɛn difrɛn . Kɔmpawndin ɛjɛn dɛn . bɔt dɛn nɔ dɔn du am yet . Vulkanizayshɔn ..
Kɔmɔn kɔmpawndin ɛjɛn dɛn inklud . Vulcanizing ejen dɛn ., Aksilatɔ dɛn ., Aktivatɔ dɛn ., Di fil dɛn we de mek pipul dɛn gɛt mɔ trɛnk . , ɛn Antiɔksidant dɛn ..
Kompawnd fɔ rɔba . Serv as wan ki . Intamɛdiet matirial . fɔ Nɔn-vulkaniz rɔba kɔmpɔnɛnt dɛn . , ɛn i kin bi bak fɔ go bifo . Vulkaniz dɛn . fɔ mek fɔm . Vulkaniz rɔba pat dɛn . wit ay . Elastisiti ., Di wan dɛn we de fɛt fɔ ol pipul dɛn . , ɛn Durability ..
4. Rɔba we nɔ gɛt vulkaniz .
Vulkaniz rɔba . Na di tin dɛn we dɛn tɔk bɔt . Kɔmpawnd dɛn we gɛt rɔba . dat, ɔnda spɛshal . tɛmprɛchɔ, prɛshɔ , ɛn tɛm , ɔnda wan . Riakshɔn fɔ krɔslink . , Transfɔm . Linear makromolekyul dɛn . insay wan . Tri-dimɛnshɔnal nɛtwɔk strɔkchɔ ..
I de jɔs . Insɔlɔbul . insay sɔlvɛnt ɛn ɛgzibit dɛn we fayn fɔ yuz . Mekanikal Strɔng ., Elastisiti ., Abrashɔn rɛsistɛns . , ɛn Di wan dɛn we de fɛt fɔ mek di ples wam ..
Dis kayn . rɔba na in dɛn kin yuz bɔku bɔku wan fɔ mek difrɛn difrɛn tin dɛn . Vulkaniz rɔba pat dɛn . , lɛk Ɔtomotiv Vaybrɛshɔn Dampa dɛn ., Ɔyl Sil dɛn ., O-Ring dɛn ., Kebul sheath dɛn . , ɛn Indastrial siling prodakt dɛn ..
Difrɛn frɔm dat, Nɔn-vulkaniz rɔba kɔmpɔnɛnt dɛn . na dɛn kin yuz mɔ na di . Proses transishɔn . ɔ Protekshɔn fɔ sɔm tɛm . aplikeshɔn, ɛn nɔ ebul fɔ bia wit lɔng tɛm ɛksplɔshɔn to . Ay tɛmpracha ., Ay prɛshɔn . , ɔ Kεmikכl Envayroment dεm . .
di difinishɔn we dɛn aksept ɔlsay na di wɔl fɔ di difinishɔn fɔ . rɔba na di say we dɛn tɔk bɔt am frɔm . ASTM D1566 (American Society for Testing and Materials).
