Segmented polyolefins

Details Segmented polyolefins Segmented polyolefins

1998-05-27

1999-10-05

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...

525305, 525309, 525322, 525324, C08F26704

Patent

active

059625945

ABSTRACT:
Segmented polyolefins, which are produced by the reaction of mixtures of powdery polyolefins and polyolefin granulates with unsaturated monomers in the presence of thermally decomposing free radical-forming agents in continuous mixers in two consecutive reaction steps in the solid phase, a reaction step in a solid phase/melt transition phase and a melt homogenizing step, have a high strength and tenacity.
The segmented polyolefins, as well as mixtures with conventional polyolefins, are suitable for the production of films, sheets, fibers, panels, coatings, pipes, hollow objects and foams.

REFERENCES:
patent: 4774280 (1988-09-01), Hauschild
patent: 5411994 (1995-05-01), Galli
patent: 5744553 (1998-04-01), Kempter

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