SPECIAL PP'S FOR A DEVELOPING AND FUTURE MARKET

The present article starts with a short overview of the international development of the polyolefin production in the last 10 years and with a forecast for the next 3 to 5 years. The reason for these developments, as the cost/properties relationships will be discussed. The extended properties of the...

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Bibliographic Details
Published in:Journal of macromolecular science. Part A, Pure and applied chemistry Pure and applied chemistry, 1999-11, Vol.36 (11), p.1587-1611
Main Author: Rätzsch, Manfred
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
General. Economics. Legislation. Standardization
MC-Catalyst
Polymer industry, paints, wood
Postreactor Technology
Soft-PP
Special PIP
Structure Property Relationship
Technology of polymers
α-/β-i-PP
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Summary:The present article starts with a short overview of the international development of the polyolefin production in the last 10 years and with a forecast for the next 3 to 5 years. The reason for these developments, as the cost/properties relationships will be discussed. The extended properties of the polypropylenes, their molecular and supermolecular structures, and the correlations to the properties play a central role in the paper. The reinforcing and compounding maximized the properties and reduced the weaknesses of the mechanical and thermal properties. The narrower molecular weight distribution and the possible new copolymers with better randomness and new comonomers explain the importance of the metallocene catalysts. Examples demonstrate the future developments of new PP's by orientation on a second generation of single site catalysts. The super soft PIP's as a new interesting elastomer class, are described. The new developments from the post reactor modification to a new HMS-PP technology are described in detail. The new graft copolymers with styrene and methylmethacrylate are pointed.
ISSN:1060-1325
1520-5738
DOI:10.1081/MA-100101616