Taw qhia ntawm CAS: 66070-58-4|POLYSTYRENE-BLOCK-POLY (ETHYLENE-RAN-BUTYLENE)-BLOCK-POLYSTYRENE
Physical Properties Analysis
Lub cev lub cev ntawm "Benzene, ethenyl-, polymer nrog 1, 3-butadiene, hydrogenated" polymers, xws li lawv cov iav hloov thiab melting kub, yog ze ze rau lawv cov qauv molecular. Tus cwj pwm crystallization, melting kub, thiab solubility hauv cov kuab tshuaj organic yog cuam tshuam los ntawm qib ntawm hydrogenation thiab microstructure ntawm polymer. Piv txwv li, polymers nrog ntau dua cis configuration nyob rau hauv lawv cov 1, 4- cov qauv muaj ntau dua melting cov ntsiab lus thiab thermal stability (Hirao li al., 1998).
Molecular Structure Analysis
Cov qauv molecular ntawm cov polymers yog tus cwj pwm los ntawm qhov muaj 1,4- ntxiv cov khoom ntawm poly(2,3-diphenyl{4}},3-butadiene), nrog rau feem ntau ntawm cis thiab trans 1, 4-structures. Cov txheej txheem kev teeb tsa no txhawb nqa cov khoom siv lub cev ntawm cov polymers, xws li lawv cov iav hloov pauv kub thiab cov yam ntxwv solubility. Cov txheej txheem synthesis, suav nrog kev xaiv cov catalysts thiab monomer ratios, plays lub luag haujlwm tseem ceeb hauv kev txiav txim siab qhov kawg microstructure ntawm polymer (Hirao li al., 1998).
Specification of CAS: 66070-58-4|POLYSTYRENE-BLOCK-POLY (ETHYLENE-RAN-BUTYLENE)-BLOCK-POLYSTYRENE
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Yam khoom |
SPECIFICATION |
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Daim ntawv |
hmoov |
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Qhov ntom |
0.91 g/mL ntawm 25 degree (lit.) |
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Molecular Formula |
C12H14 |
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Molecular Luj |
158.24 |
Kev Tshawb Fawb Daim Ntawv Thov CAS: 66070-58-4|POLYSTYRENE-BLOCK-POLY (ETHYLENE-RAN-BUTYLENE)-BLOCK-POLYSTYRENE
Cheebtsam ntawm kub yaj adhesives, sealants, bitumen thiab roj gels. Siv los ua cov khoom txias rau cov khoom siv polymers, cov khoom siv thermosetting thiab cov qauv siv roj hmab. Ncaj qha molded lossis extruded automotive qhov chaw, cov khoom ua si, khau ua haujlwm thiab cov yeeb yaj kiab.
Polymer Synthesis thiab Properties: Cov kev tshawb fawb tau ua los ntawm cov polymers muab tau los ntawm butadiene nyob rau hauv ntau yam kev mob, qhia kom muaj nuj nqis polymerization thiab tsim ntawm siab molecular hnyav polymers (Basova li al., 1982).
Thermoplastic Elastomers: Cov txheej txheem thiab cov khoom siv hluav taws xob ntawm hydrogenated poly (butadiene-b-isoprene-b-butadiene) triblock polymer tau raug tshawb xyuas, nrog rau kev tsom mus rau nws daim ntawv thov ua cov thermoplastic elastomer. Qhov kev tshawb fawb no tshawb txog tus cwj pwm thermal, cov qauv mesomorphic, thiab cov khoom siv thermomechanical nyob rau hauv kev sib raug zoo rau morphogenesis tej yam kev mob (Séguéla & Prud'homme, 1989).
Photoluminescent khoom: Lub synthesis thiab characterization ntawm conjugated polymers uas muaj tellurophene thiab lwm yam derivatives, exhibiting photoluminescent zog, muab tshiab foundations rau molecular electronics thiab optoelectronic cov ntaub ntawv (Lapkowski li al., 2012).
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