METHOD FOR PRODUCING LOW-MOLECULAR ISOBUTYLENE POLYMER
FIELD: organic chemistry; polymerization. SUBSTANCE: isobutylene is produced by polymerization carried out in hydrocarbon solvent, such as toluene, xylene or isopentane, at temperature 0-60 C, by successively introducing into solvent isobutylene and conjugated diene, such as butadiene or isoprene. M...
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| creator | BYRIKHIN V.S GOL'BERG I.P KHLUSTIKOV V.I RJAKHOVSKIJ V.S AKSENOV V.I ZOLOTAREV V.L GORJACHEV JU.V GOLOVINA N.A GRISHCHENKO A.I GRUNIN G.N NESMELOV A.I |
| description | FIELD: organic chemistry; polymerization. SUBSTANCE: isobutylene is produced by polymerization carried out in hydrocarbon solvent, such as toluene, xylene or isopentane, at temperature 0-60 C, by successively introducing into solvent isobutylene and conjugated diene, such as butadiene or isoprene. Monomers are taken in amounts 10-60 wt.-%, diene content being 0.5-20 wt. -%. Polymerization is carried out in presence of titanium tetrachloride taken in amount 0.05-1.0 mole per 100 kg of monomers, as well as in presence of triisobutyl aluminium taken in titanium-to-aluminium molar ratio of 100:1 to 1:2. EFFECT: higher polymer quality. 1 tbl |
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SUBSTANCE: isobutylene is produced by polymerization carried out in hydrocarbon solvent, such as toluene, xylene or isopentane, at temperature 0-60 C, by successively introducing into solvent isobutylene and conjugated diene, such as butadiene or isoprene. Monomers are taken in amounts 10-60 wt.-%, diene content being 0.5-20 wt. -%. Polymerization is carried out in presence of titanium tetrachloride taken in amount 0.05-1.0 mole per 100 kg of monomers, as well as in presence of triisobutyl aluminium taken in titanium-to-aluminium molar ratio of 100:1 to 1:2. 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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | METHOD FOR PRODUCING LOW-MOLECULAR ISOBUTYLENE POLYMER |
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