Patent ID: 6723793
Filing Date: 2004-04-20
Classification: C08L

Abstract:
A blend which comprises;A) a heterogeneous or homogenous linear ethylene homopolymer or interpolymer; B) a branched homopolymer or interpolymer; wherein said blend has; 1) a melt index, I2, of about 0.05 to about 20 g/10 min; 2) a flexural modulus of &lE;30,000 psi or &lE;100,000 psi; 3) a melt strength of &gE;2 eN; 4) a melt extensibility of &gE;25 mm/sec; and 5) wherein said melt strength of said blend meets the following relationship; melt strength&gE;FMS*; where: A=3.3814*(I2)âˆ’0.6476 and B=16.882(I2)âˆ’0.6564; where I2 is the measured melt index of the blend; f is the weight fraction of the linear polyethylene in the blend and FMS is &gE;1.1.