Patent ID: 6191246
Filing Date: 2001-02-20
Classification: C08F,C08K,Y10S

Abstract:
A terpolymer which comprises a polymerization product obtained by polymerizing ethylene, 1-pentene and 1-hexene and which, when it is bottom blown into a film having a thickness of 30 microns on a 31.77 mm extruder with 220.degree. C. melt temperature using a 2:1 blow ratio, complies with the following requisites:(a) a melt flow index, as measured according to ASTM D 1238, of 0.01 to 100 g/10 minutes;(b) a density, as measured according to ASTM D 1505, of 0.890 to 0.950 g/cm.sup.3 ;(c) an impact strength, as measured according to ASTM D 1709, of greater than 60 g;(d) a tear strength, as measured according to ASTM D 1922, of greater than 3.0 g/.mu.m in the machine direction (MD) and greater than 12 g/.mu.m in the transverse direction (TD); and(e) contains units derived from 1-pentene and 1-hexene between 0.1 and 10 molar % as determined by .sup.13 C NMR (samples dissolved in 1,2dichlorobenzene).