9Akatova I N,Nikulin S S,Korystin S I. Effect of the Nature of Coagulant on Coagulation and Properties of Rubbers, Rub- ber Compounds and Vulcanized Rubbers[J]. Kauchuki Rezi- na,2003(6) :2- 4.
10Bonfils F,Doumbia A,Char C,et al. Evolution in the Natural Rubber Native Structure and Plasticity Retention Index from the First Tapping of Clonal Trees[J]. Journal of Ap- plied Polymer Science,2005,97(3):903-909.
