6Caruthers J M,Cohen R E. Effect of carbon black on hys- teresis of rubber vulcanizates equivalence of surface area and loading[J]. Rubber Chemistry and Technology, 1976, 49(4): 1076-1094.
7Nakajima N,Bowerman H H ,Collins E A. Nonlinear viscoelastic behavior of butadiene acrylonitrile copolymers filled with carbon black[J]. Rubber Chemistry and Technology, 1978,51(2) :322-334.
8Gronski W, Hoffmann U, Simon G. Structure and density of crosslinks in natural rubber vulcanizates : A combined analysis by NMR spectroscopy, mechanical measurements and rubber elastic theory [J]. Rubb Chem Technol, 1992, 65 (2) :63-77.
9Simon G, Baumann K, Gronski W. Mc determination and molecular dynamics in crosslinked 1,4-cis-polybutadiene : A comparison of transversal proton and deuterium NMR relaxation[J]. Macromoleeules, 1992,25 (14) :3624-3632.
10Boyer R F. Order in the amorphous state of polymers[M]. New York: Plenum, 1987: 135-156.
