1.Aplikeshɔn Skɔp .
(1). Aplai to ɔnsatyuret rɔba: lɛk NR, BR, NBR, IR, SBR, ɛn ɔda wan dɛn.
(2). aplay to satεrayt rכba: lεk EPM kin כnli vulkaniz bay pεrכksayd, EPDM kin vulkaniz bay כl tu di pεrכksayd εn sכlfa.
(3). Aplai to difrɛn chen rɔba: lɛk Q vulkanizashɔn.
2. Di kwaliti dɛn we di pɔroksayd vulkanizayshɔn sistem gɛt .
(1). Di nɛtwɔk strɔkchɔ fɔ di vulkaniz rɔba na CC bond, wit ay bond ɛnaji, ay kemikal stebiliti, ɛn fayn fayn resistans to tɛmal ɛn ɔksijɛn ol.
(2). Vulcanized rubber gɛt lɔw pɔrmanent difɔmeshɔn, gud ɛlastik ɛn po dinamik pefɔmɛns.
(3). Poor processing sefti ɛn dia dia peroxide.
(4). Insay statik siling ɔ ay tɛmpracha statik siling prodakt dɛn gɛt bɔku bɔku aplikeshɔn dɛn.
3.Kɔmɔnli yuz pɔrɔksayd dɛn .
di pεrכksayd vulkanizing ejen dεm we dεn kin yuz na alkyl pεrכksayd, dayasayl pεrכksayd (dibenzoyl pεrכksayd (BPO)) εn pεrכksi εsta. Na dɛn wan ya, dɛn kin yuz dayalkil pɔrokayd dɛn bɔku bɔku wan. lεk: diisopropyl pεrכksayd (DCP): na di wan we dεn de yuz mכst wan vulkanizing ejen.
2,5-dimetil-2,5-(di-tert-butylperoxy) heksan: Dɛn kin kɔl am bak bis-dipentyl
4. Pɛroksayd vulkanizashɔn mɛkanizm .
di pεrכksayd grup fכ pεrכksayd de izi fכ dikompos bay hεt fכ prodyuz fri radikal dεm, we de trigεr di fri radikal tכp kכros-link riakshכn fכ rכba mכlikul chen.
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(1). Dosage: difrɛn wit difrɛn rɔba spɛshal
Kros-linking Efficiency of Peroxide: 1g Molecul of organic peroxide kin mek aw mכn gram כf rכba mכlikul dεm de prodyuz kεmikכl krכs-linking.If 1 mכlikul fכ pεrכksayd kin mek 1g mכlikul dεm fכ rכba kכros-link, di kכros-linking efyushכn na 1.
Fɔ ɛgzampul: di krɔs-linking efyushɔn fɔ SBR na 12.5; Di kros-linking efyushɔn fɔ BR na 10.5; Di kros-linking efyushɔn fɔ EPDM, NBR, NR na 1; Di kros-linking efyushɔn fɔ IIR na 0.
(2). Yuz Aktiv Ejent ɛn Kɔ-Sɔlfɔrizin Ejen fɔ mek di krɔs-link efyushɔn bɛtɛ
di rol we ZnO de ple na fכ improv di hεt rεsistεns fכ di adhesive, nכto di aktiveta. di rol we stiarik asid de ple na fכ impruv di sכlubiliti εn dispershכn fכ ZnO insay di rכba. HVA-2 (n,n'-phthalimido-dimaleimide) na bak wan ifektiv aktiveta fכ pεrכksayd.
Ad ɔgzilari vulkanizing ejen: men wan sɔlfɔ yɔlɔ, ɛn ɔda ɔgzilari krɔs-linking ɛjɛn dɛn lɛk divinylbenzene, trialkyltriseyanate, ɔnsatyuret kabɔksaylɛt, ɛn ɔda tin dɛn.
(3). Ad smɔl alkaline sɔbstans, lɛk MGO, triethanolamine, ɛn ɔda wan dɛn, fɔ mek di efyushɔn fɔ krɔs-link, nɔ yuz slot kabon blak ɛn silika ɛn ɔda asid filɛs (asid fɔ mek fri radikal pasivɛshɔn); Antioxidants na jεnarali amin εn fεnolik antioxidants, bak izi fכ mek fri radikal pasivεshכn, we de ridyus di efyushכn fכ kכros-link, fכ yuz sparingly.
(4). Vulcanization temperechur: fɔ ay pas di dikɔmpɔzishɔn tɛmpracha fɔ di pɔrɔksayd .
(5). Vulcanization tεm: jεnarali 6~10 tεm dεm fכ di haf layf fכ pεrכksayd.
Pεrכksayd Haf-Layf: Na wan sכm tεmprachכ, di pεrכksayd de kכmכpכs to haf pan di כrijinal kכnsantreshכn fכ di tεm we dεn nid, we dεn εksprεs insay T1/2.
If di haf-layf fɔ DCP na 170°C na 1min, den in pɔsitiv sɔlfɛshɔn tɛm fɔ bi 6~10min.
Fɔmyuleshɔn Ɛgzampul: EPDM 100 (biz)
S 0.2 (Auxiliary Vulcanizing Agent)
SA 0.5 (Aktiva)
ZnO 5.0 (fɔ mek di ɔt nɔ go fayn)
HAF 50 (riinfɔs ɛjɛn)
DCP 3.0 (Tixotropic Agent)
MGO 2.0 (impruv di kros-linking efisiensi)
Oil we de wok 10 (sɔftɛn ɛjɛn)
