Patent ID: 6586550
Filing Date: 2003-07-01
Classification: B01J,C07D,C07F,C08F

Abstract:
A branched polyethylene having fewer than 2 methyl branches per 1000 methylene groups, said fewer than 2 methyl branches excluding end groups, a processability index, PR, of about 40 or more, and(A) a structural index, ST, of about 1.4 or more; or (B) a ST of less than about 1.4, and one or more feature selected from the group consisting of: (i) at least 4 branches each of ethyl and n-hexyl or longer and at least 2 n-butyl branches per 1000 methylene groups; (ii) at least 2 branches each of ethyl and n-hexyl or longer and at least one n-butyl per 1000 methylene groups, wherein there are more ethyl branches than butyl branches; and (iii) only branches of the formula â€”(CH2CH2)nH, wherein n is 1 or more.