Medium density polyethylene compositions for film applications

Details Medium density polyethylene compositions for film applications Medium density polyethylene compositions for film applications

1997-11-25

2000-09-05

Michl, Paul R.

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

Synthetic resins

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

C08L 2304

Patent

active

061144568

ABSTRACT:
Use of a homogeneous blend of a metallocene-catalyzed medium density polyethylene (mMDPE) with low density polyethylene (LDPE) and/or a linear low density polyethylene (LLDPE), to produce blown films, this composition essentially consisting of from 0.5 to 100% by weight of MMDPE and from 0 to 99.5% by weight of LDPE and/or LLDPE.
The compositions of this invention have good processability and are used to make blown films which have the good optical properties of LDPE and the good mechanical and processing properties of MDPE.

REFERENCES:
patent: 4230831 (1980-10-01), Sakurai
patent: 5420220 (1995-05-01), Cheruvu
patent: 5539076 (1996-07-01), Nowlin
patent: 5585184 (1996-12-01), Baker
patent: 5614456 (1997-03-01), Mink
patent: 5616661 (1997-04-01), Eisinger
patent: 5714425 (1998-02-01), Chabrand
patent: 5756193 (1998-05-01), Yamamoto
patent: 5843540 (1998-12-01), Heydarpour
patent: 5882750 (1999-03-01), Mink

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