1.

Consider the following statements about emulsion SBR and solution SBR.I. Solution SBR has higher content of non-rubber materials than emulsion SBRII. Solution SBR has higher molecular weight but broader molecular weight distribution than emulsion SBRIII. Solution SBR has higher cis-1,4-polybutadiene content than emulsion SBRWhich of the following statements are true?

A. I, II, III
B. I, II
C. III only
D. I only
Answer» D. I only


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