Filler concentrates for use in thermoplastic materials

Details Filler concentrates for use in thermoplastic materials Filler concentrates for use in thermoplastic materials

2005-10-04

2005-10-04

Choi, Ling-Sui (Department: 1713)

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S423000, C524S431000, C524S432000, C524S494000, C524S451000, C524S447000, C524S425000

Reexamination Certificate

active

06951900

ABSTRACT:
The invention relates to the use of isotactic polypropylenes of very great fluidity for the preparation of concentrates of fillers which can be used in thermoplastics of the olefinic type such as polypropylene, polyethylene and as a general rule: the polymers used alone or in a mixture, based on ethylenic monomers containing 2 to 6 atoms of carbon polymerized alone or in a mixture. The invention also relates to the concentrates of fillers or master batches prepared from isotactic polypropylenes of very great fluidity. The invention finally relates to the loaded thermoplastic materials obtained with the addition of selected polypropylenes according to the invention, and the industrial products manufactured from, or containing, such thermoplastic materials.

REFERENCES:
patent: 3767444 (1973-10-01), Zeisberger
patent: 4004940 (1977-01-01), Cormier
patent: 4229504 (1980-10-01), Brachman
patent: 5856400 (1999-01-01), Matsumura et al.
patent: 0 203 017 (1986-11-01), None
patent: 2 346 390 (1977-10-01), None
patent: 10-1572 (1998-01-01), None
patent: 10 001572 (1998-01-01), None

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