SIS (Styrene-isoprene-styrene block copolymer)
Baling Petrochemical SIS ne styrene - isoprene block copolymer a cikin nau'i na farin porous barbashi ko translucent m barbashi, tare da fasali na mai kyau thermo-plasticity, high elasticity, mai kyau narke fluidity, mai kyau karfinsu tare da tackifying guduro, lafiya da mara guba.Ana iya amfani da shi ga manne-narke mai zafi mai zafi, siminti mai ƙarfi, faranti masu sassauƙa, robobi da gyaran kwalta, kuma shine ingantaccen kayan aikin adhesives da ake amfani da su don kera jakunkuna, kayan tsafta, tef ɗin manne mai gefe biyu da lakabi .
DUKIYA DA APPLICATIONS
Styrene-isoprene block copolymers (SIS) babban girma ne, ƙananan farashin kasuwanci thermoplastic elastomers (TPE) waɗanda aka samar ta hanyar rayuwa ta ionic copolymerization ta hanyar gabatar da styrene, 2-methyl-1,3-butadiene (isoprene), da styrene a cikin reactor. .Abubuwan styrene yawanci sun bambanta tsakanin kashi 15 zuwa 40.Lokacin da aka kwantar da shi a ƙasa da wurin narkewa, SIS's tare da ƙaramin abun ciki na styrene-rarrabuwa zuwa nau'ikan nau'ikan polystyrene masu girman Nano waɗanda ke cikin matrix isoprene yayin da haɓaka abun ciki na styrene ke kaiwa zuwa silinda sannan zuwa tsarin lamellar.Wuraren styrene mai wuya yana aiki azaman haɗin kai na jiki wanda ke ba da ƙarfin injina da haɓaka juriya na abrasion, yayin da matrix na roba isoprene yana ba da sassauci da ƙarfi.Abubuwan injiniyoyi na SIS elastomers tare da ƙananan abun ciki na styrene sun yi kama da na rubbers masu ɓarna.Koyaya, ba kamar roba mai ɓarna ba, ana iya sarrafa SIS elastomers tare da kayan aikin da aka yi amfani da su don ƙirƙira polymers ɗin thermoplastic.
SIS toshe copolymers galibi ana haɗe su tare da resins tackifier, mai da filaye, waɗanda ke ba da izinin gyare-gyaren samfuran samfuri ko kuma an ƙara su zuwa wasu polymers na thermoplastic don haɓaka aikinsu.
Ana amfani da copolymer na SIS sosai a cikin mannen hotmelt, sealants, kayan gasket, bandeji na roba, kayan wasan yara, safofin hannu na takalma da samfuran bitumen don shimfida titi da aikace-aikacen rufi.Ana kuma amfani da su azaman masu gyara tasiri da masu ƙarfi a cikin robobi da (tsari) adhesives.
Babban Halayen Jiki na Samfuran SIS Baling (Kyauyawa Na Musamman)
| Daraja | Tsarin | Block Ratio S/I | Abun cikin SI % | Ƙarfin Tensile Mpa | Hardness Shore A | MFR (g/10min, 200 ℃, 5kg) | Maganin Toluene Danko a 25 ℃ da 25%, mpa.s |
| Saukewa: SIS1105 | Litattafai | 15/85 | 0 | 13 | 41 | 10 | 1250 |
| Saukewa: SIS1106 | Litattafai | 16/84 | 16.5 | 12 | 40 | 11 | 900 |
| Saukewa: SIS1209 | Litattafai | 29/71 | 0 | 15 | 61 | 10 | 320 |
| Saukewa: SIS1124 | Litattafai | 14/86 | 25 | 10 | 38 | 10 | 1200 |
| Saukewa: SIS1126 | Litattafai | 16/84 | 50 | 5 | 38 | 11 | 900 |
| Farashin SIS4019 | Siffar tauraro | 19/81 | 30 | 10 | 45 | 12 | 350 |
| Saukewa: SIS1125 | Litattafai | 25/75 | 25 | 10 | 54 | 12 | 300 |
| Saukewa: SIS1128 | Litattafai | 15/85 | 38 | 12 | 33 | 22 | 600 |
| 1125H | Litattafai | 30/70 | 25 | 13 | 58 | 10-15 | 200-300 |
| 1108 | Layukan layi mai haɗawa | 16/84 | 20 | 10 | 40 | 15 | 850 |
| 4016 | Siffar tauraro | 18/82 | 75 | 3 | 44 | 23 | 500 |
| 2036 | Gauraye | 15/85 | 15 | 10 | 35 | 10 | 1500 |