Synthesis of High cis-Polybutadiene in Styrene Solution with Neodymium-Based Catalysts: Towards the Preparation of HIPS and ABS via In Situ Bulk Polymerization

Table 2

Recipes for in situ bulk polymerizations to obtain ABS using the run R11 and different properties obtained.

Sample	(wt.%)	[L-256]0 (wt.%)	[TDM]0 (wt.%)	(%)	(%)	(g/mol)		Impact strengt (J/m)
ABS-1	8	0.022	0.11	34.7	329	136000	2.95	36
ABS-2	8	0.066	0.33	37.2	365	98000	2.13	23

Stage 1-mass (s1-m):  wt.%;  wt-%; = 5 wt-%; = 90°C; rpm = 60.
Stage 2-mass (s2-m): = 0.1 wt-%; = 150°C; = 15 h.
  corresponding to run R11.
  degree and gel content were obtained by gravimetry.
by size exclusion chromatography (SEC) with polystyrene standards.
  by Izod impact notched.