2MARWEDE G W,STOLLFUB B,SUMNER A J M.Current status of tyre elastomers in Europe[J].Kautsch Gummi Kunstst,1993,46(5):380-388.
3NORDSIEK K H,WOLPERS J.High Tg polyisoprenes for superior wet grip of tire treads[J].Kautsch Gummi Kunstst,1990,43(9):755-760.
4BIRYUKOVA I I,VISHNITSKII A S,GOVOROVA O A,et al.Use of 3,4-polyisoprene to improve technological characteristics of rubber mixtures based on ethylene-propylene rubbers[J].Kauch Rezina,1995,6(4):12-15.
5HALASA A F,HSU W L.Synthesis of high vinyl elastomers via mixed organolithium and sodium alkoxide in the presence of polar modifier[J].Polymer,2002,43(25):7 111-7 118.
6NATTA G,PORRI L,CARBONARO A.Polymerization of conjugated diolefins by homogeneous aluminum alkyl-titanium alkoxide catalyst systems.Ⅱ.1,2-polybutadiene and 3,4-polyisoprene[J].Makromol.Chem.,1964,77(1):126-138.
7SWIFT H E,BOZIK J E,WUC Y.Specific catalysis witlI iron coordination complexes[J].J.Catal.,1970,17(3):331-340.
8ISILM F,BISWAS R K.Kinetcs of solvent extraction fo metal ions with HDEHP-Ⅱ:kinetics and mechanism of solvent extraction of V(Ⅳ) from acidic aqueous solutions with bis(2-ethylhexyl) phosphoric acid in benzene[J].J.Inorg.Nucl.Chem.,1980,42(3):421-429.
9SATO H,TANAKA Y.1HNMR study of polyisoprenes[J].J.Polym.Sci.Polym.Chem.Ed.,1979,17(11):3 551-3 558.
10JEAN P K,GILBERT F,BERND K.Determination the microstructure of polyisoprenes by resonance magnetic nuclear and spectroscopic infrared[J].Bull.Soc.Chem.Fr.,1967,12(7):4 759-4 764.