METHOD FOR PREPARING RANDOM LOW VINYL COPOLYMERS, COPOLYMERS PREPARED BY THIS METHOD, AND RUBBER MIXTURES BASED ON THESE COPOLYMERS
申请人:Public Joint Stock Company "Sibur Holding"
公开号:EP3883978A1
公开(公告)日:2021-09-29
POLYMER COMPOSITION AND A METHOD FOR PREPARING THEREOF
申请人:Public Joint Stock Company "Sibur Holding"
公开号:EP3883974A1
公开(公告)日:2021-09-29
CATALYSTS FOR POLYMERIZATION OF ISOPRENE AND PREPARATIONS AND USES THEREOF
申请人:Wang Chao
公开号:US20120108773A1
公开(公告)日:2012-05-03
Disclosed are catalyst compositions for isoprene polymerization formed from components comprising (A) at least one titanium halide; (B) at least one organic aluminum compound comprising at least one alkyl aluminum of formula AlR
3
, wherein each of the three Rs is independently chosen from linear and branched C
1-6
alkyl groups; and (C) at least one electron donor comprising at least one polyether compound of formula (I) and/or at least one tetrahydro-furfuryl ether compound of formula (II). Also disclosed are processes for preparation of the catalyst compositions and processes using the catalyst compositions for isoprene polymerization.