Interrelationships of Pressure-Dependent Hole Fraction and Elongational Viscosity in Polymer Melts

Table 3

Values of parameters of (7) evaluated for at different elongational rates.

Polymer	(s^−1)						R^2
LDPE60	60; 90; 120	7.14; 7.08; 7.12	72.63; 72.01; 68.95	0.142; 0.141; 0.135	0.0031; 0.0033; 0.0032	1.18; 1.32; 1.33	0.99981; 0.99975; 0.99977
LDPE65	30; 60; 90; 107	8.05; 8.61; 8.97; 9.10	67.69; 46.81; 31.02; 24.13	0.134; 0.0927; 0.0615; 0.048	0.0012; 0.00070; 0.00049; 0.00043	1.23; 1.07; 0.43; 0.55	0.99977; 0.99986; 0.99997; 0.99995
LLDPE	60; 90; 120	9.13; 9.01; 8.89	8.47; 7.44; 7.06	0.0227; 0.0199; 0.0189	0.00042; 0.00048; 0.00054	0.64; 0.64; 0.60	0.99993; 0.99993; 0.99994
HDPE	60; 90; 107; 120; 148	9.26; 9.06; 8.98; 8.92; 8.83	35.23; 35.15; 34.86; 34.58; 33.89	0.0575; 0.0574; 0.0569; 0.0564; 0.0553	0.00043; 0.00053; 0.00057; 0.00060; 0.00067	0.34; 0.25; 0.23; 0.24; 0.31	0.99998; 0.99999; 0.99999; 0.99999; 0.99999
PMMA	60; 90; 120	3.33; 3.31; 3.44	452.45; 440.95; 423.15	0.6740; 0.6569; 0.6304	0.2028; 0.2066; 0.1804	0.81; 0.91; 1.00	0.99991; 0.99988; 0.99985
PC	60; 90; 120	3.97; 3.71; 3.53	359.15; 374.00; 384.53	3.820; 3.98; 4.090	0.0954; 0.1225; 0.1466	2.44; 1.99; 1.73	0.99906; 0.99941; 0.99954
PP	90; 107; 120	7.20; 7.14; 7.09	86.30; 84.30; 83.91	0.0813; 0.0794; 0.0790	0.0029; 0.0031; 0.0033	1.04; 0.82; 0.73	0.99986; 0.99991; 0.99993
PS	30; 60; 90; 120	3.74; 3.71; 3.70; 3.63	313.11; 303.36; 297.94; 296.65	0.1990; 0.1928; 0.1893; 0.1886	0.1060; 0.1091; 0.1105; 0.1178	1.42; 1.11; 1.25; 1.48	0.99970; 0.99981; 0.99977; 0.99959