Olefinic block copolymers containing three blocks

Details Olefinic block copolymers containing three blocks Olefinic block copolymers containing three blocks

1989-01-25

1990-03-20

Briggs, Sr., Wilbert J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525268, C08F29708

Patent

active

049102621

ABSTRACT:
A novel block copolymer consisting essentially of ethylene and propylene and comprising 1 to 20 parts by weight of block (A) having an ethylene content of 0 to 4% by weight, 5 to 49 parts by weight of block (B) having an ethylene content of more than 4% and less than 25% by weight, and 50 to 94 parts by weight of block (C) having an ethylene content of 25 to 85% by weight. The block copolymer is characterized by less formation of flow marks in molding, and also has excellent tensile characteristics.

REFERENCES:
patent: 3670053 (1972-06-01), Sennari et al.
patent: 4254237 (1981-03-01), Shiga et al.

Affiliated with

Also associated with

Rating

Olefinic block copolymers containing three blocks does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Olefinic block copolymers containing three blocks, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Olefinic block copolymers containing three blocks will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-793466