Highly processable polymeric compositions based on LLDPE

Details Highly processable polymeric compositions based on LLDPE Highly processable polymeric compositions based on LLDPE

1995-01-20

1996-10-01

Seccuro, Jr., Carman J.

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

Synthetic resins

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

525323, 525322, 525320, C08L 2308, C08L 2316, C08L 2318

Patent

active

055611958

ABSTRACT:
Polymeric compositions based on Linear Low Density Polyethylene (LLDPE) comprising: (A) from 75 to 95% by weight of an ethylene copolymer with an .alpha.-olefin CH.sub.2 =CHR, wherein R is an alkyl radical having from 1 to 10 carbon atoms, and (B) from 5 to 25% by weight of a copolymer of propylene with ethylene and an .alpha.-olefin CH.sub.2 =CHR.sup.I, wherein R.sup.I is an alkyl radical having from 2 to 10 carbon atoms. Copolymer (B) is characterised by a relatively high insolubility in xylene. The polymeric compositions of the invention are endowed with improved processability and improved mechanical properties with respect to the LLDPE of the conventional type.

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J.T. Trotignon, J.L. Lebrun, J. Verdu, "Plastics and Rubber Processing and Applications", 2, (1982), pp. 247-251.

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