Views: 0 Author: Sayt Ɛditɔ Pɔblish Tɛm: 2023-08-13 Ɔrijin: Ples
Insay di las ia, di dinamik prɔpati dɛm fɔ rɔba, mɔ di dinamik ɔzoyn rɛsistɛns de mɔ ɛn mɔ dimand. Sɛlɛkshɔn fɔ fayn fayn ɔzoyn rɛsistɛns fɔ rɔba ɛn antiɔksidant, ɔ rɔba ɛn na pat pan di we fɔ sɔlv dɛn prɔblɛm ya. Chloroprene Rubber (CR) na Chloroprene we dɛn mek as monomer emulshɔn polimayzayshɔn fɔ polimɛr dɛn, bikɔs di twɛnti sɛntiwɔd, 30 ia bay di Amɛrika DuPont bin divɛlɔp saksesful wan, fɔs dɛn yuz am na di shuz industri, bikɔs i nɔ dia, strɔng adhesive fɔs, adhesive tɛm na lɔng, di aktiveshɔn fɔ di manyual wok, ɛn kwik fɔ gɛt am, bɔt i kin gɛt ɔl di tin dɛn we i kin du, bɔt i kin bi se i fayn fɔ mek i gɛt ɔl di tin dɛn we i kin du, bɔt i kin bi bak se i kin gɛt amde. aplay fɔm. Klɔroprɛn rɔba gɛt fayn fayn tin dɛn we nɔ de ambɔg ɔksijɛn ɛn ɔzoyn, we nɔ de flam, we pɔsin kin yuz fɔ pul insɛf kɔmɔt na in bɔdi afta faya, di ɔyl we i de yuz fɔ fɛt, di sɔlvɛnt rɛsistɛns, di asid ɛn di alkali we de mek i nɔ ebul fɔ blo ɛn di gud we i de mek i nɔ gɛt ayt. Di wok we wi de du naw na fɔ yuz kloroprin rɔba as di men rɔba, ɛn bay di we aw dɛn chenj am, so dat i go gɛt gud dinamik ɔzoyn rɛsistɛns.
I. Rizɔlt ɛn Diskushɔn .
1. Improvement of dinamik ozon resistans of kloropren raba bay antioxidants
Afta we dɛn ad antiɔksidant RD, di kɔmpreshɔn difɔmeshɔn rɛsistɛns ɛn ɔzoyn rɛsistɛns fɔ vulkaniz rɔba dɛn bin impɔtant to difrɛn digri dɛn, we ɔda fizik prɔpati dɛn nɔ bin chenj bɔku. We di doz fɔ antiɔksidant RD bin inkrisayz frɔm 0 to 2 pat, di ɔzoyn krak tɛm fɔ kr vulkaniz rɔba bin inkrisayz frɔm 120h to 408h, so yu kin si se di quinoline antiɔksidant Rd kin rili impɔtant di dinamik ɔzoyn ɛj rɛsistɛns fɔ Cr vulcanized rɔba, bɔt i nɔ afɛkt di ɔvala fizikal prɔpati dɛn na Cr vulcanized rɔba.
2.epdm / Cr ɛn impruv di dinamik ɔzoyn rɛsistɛns fɔ kloroprɛn rɔba
Klɔroprɛn rɔba prodakshɔn fɔ kebul protɛktiv shit rɔba fɔmyulashɔn, i nɔ de aplay to anilin antiɔksidant ɛn kwinɔlin antiɔksidant, fɔ impruv in dinamik ɔzoyn rɛsistɛns kin yuz in kɔnjɔkt wit EPDM ɛn kloroprin rɔba. Frɔm di ɛkspirimɛnt data yu kin si afta yu ad EPDM, di dinamik ɔzoyn ol rɛsistɛns fɔ vulkaniz rɔba pas di ɔrijinal fɔmula fɔ impɔtant di pefɔmɛns fɔ nia 10 tɛm, pan ɔl we na smɔl inkris na kɔmpreshɔn difɔmeshɔn, ɔda fizik prɔpati dɛn kin bi bɛsik wan fɔ mentɛn na di ɔrijinal lɛvɛl. Klɔroprɛn rɔba ɛn EPDM rɔba, kin rili ɛp fɔ mek di dinamik ɔzoyn we de ol di vulkaniz rɔba bɛtɛ.
II. Kɔnklushɔn dɛn .
1. Fɔ sɔm kloropren rɔba hos, fɔ mek yu ebul fɔ impruv in dinamik ɔzoyn we i de ol we nɔ go afɛkt in ɔl di fizik prɔpati dɛm, yu kin yuz anilin-bɛs antiɔksidant dɛm ɛn quinoline-based antioxidants we nɔ pas tu pat pan di RD ɛn yu kin ebul fɔ impruv di dinamik ɔzoyn rɛsistɛns fɔ vulkaniz rɔba, pas tri tɛm.
2. Fɔ kloropren rɔba fɔmyuleshɔn dɛn we nɔ fayn fɔ anilin-bɛs antiɔksidant ɛn quinoline-based antioxidants, CR / EPDM kin yuz in paralel fɔ impɔtant di dinamik ɔzoyn rɛsistɛns fɔ kloroprin rɔba. Test dεm dεn pruv se, witout signifyant afekt di komprεhεnsiv fyzikal prכpati dεm fכ di כrijinal fכmula כnda di prεmis כf di aprכpriet pat pan εtilen prכpylene diene monomεr (epdm) εn kloroprin rכba) εn kin sכmtεm improv di dinamik ozon εj rεsistεns fכ vulkaniz rכba.