Process for the production of a polyolefin-based composite...

Details Process for the production of a polyolefin-based composite... Process for the production of a polyolefin-based composite...

2002-01-17

2003-06-24

Yoon, Tae H. (Department: 1714)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C523S206000, C524S492000, C524S515000, C526S227000

Reexamination Certificate

active

06583200

ABSTRACT:

FIELD OF INVENTION
The invention relates to a process for the production of a polyolefin-based composite material of high rigidity, said material comprising a polyolefin and a layered clay.
BACKGROUND INFORMATION
Such a process is known from EP-A-807,659, according to which a modified polyolefin or a polyolefin containing such a modified polyolefin is mixed with a swellable clay in the form of a layered silicate which has been treated (interstratified) with a tetraalkylammonium cation, resulting in a polyolefin-based composite material of high rigidity.
A drawback of said process is that prior to mixing the polyolefin with the silicate, both the silicate and the polyolefin have to be subjected to a pretreatment.


REFERENCES:
patent: 5973053 (1999-10-01), Usuki et al.
patent: 6271297 (2001-08-01), Ishida
patent: 0807659 (1997-11-01), None

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