Table 2. Effect of Varying Equivalents of Acetic Acid (AcOH) vs Tetramethylguanidine (TMG) in a Homoconjugate Catalyst Composition in Silanol Polycondensation.

entry	AcOH:TMG	Mn (Da)	Mw (Da)	Đ	conversion (%)	D4 (ppm)
1	0.5:1	3100	6100	2.0	16	40
2	1:1	7600	13,700	1.8	66	76
3	1.5:1	12,200	23,700	1.9	79	121
4	2:1	19,000	37,500	2.0	86	149
5	2.5:1	19,600	39,300	2.0	87	154
6	3:1	22,800	28,500	1.3	89	168