Use of Rubber Process Analyzer for Characterizing the Molecular Weight Parameters of Natural Rubber

Table 3

Parameter of stress relaxation of natural rubber with different milling times.

	1/τ	τ	ln()
5	1.0662	0.93791	1.7702	5.872028	0.918041
10	1.3421	0.745101	1.4651	4.327976	0.919456
15	1.5059	0.664055	1.0053	2.732727	0.892805
20	1.9429	0.514695	0.6682	1.950723	0.912031
25	3.17	0.315457	0.4898	1.63199	0.892525
30	7.006	0.142735	0.4697	1.599514	0.943133

: correlation coefficient.