Table 1.

Some types of pluronic and their physicochemical properties^a.

Pluronic type	Molecular weight (Da)	Average no. of EO units (n)	Average no. of PO units (m)	CMC (M)	HLB
F68	8400	152.73	28.97	4.8 × 10 −4	29
F87	7700	122.50	39.83	9.1 × 10 −5	24
F88	11400	207.27	39.31	2.5 × 10 −4	28
F108	14600	265.45	50.34	2.2 × 10 −5	27
F127	12600	200.45	65.17	2.8 × 10 −6	22
L35	1900	21.59	16.38	5.3 × 10 −3	19
L61	2000	4.55	31.03	1.1 × 10 −4	3
L64	2900	26.36	30.00	4.8 × 10 −4	15
L81	2750	6.25	42.67	2.3 × 10 −3	2
L121	4400	10.00	68.28	1.0 × 10 −6	1
P85	4600	52.27	39.66	6.5 × 10 −5	16
P103	4950	33.75	59.74	6.1 × 10 −6	9
P105	6500	73.86	56.03	6.2 × 10 −6	15
P123	5750	39.20	69.40	4.4 × 10 −6	8

^aData obtained from references [13,20,27,[29], [30], [31], [32]].