Expandable vinyl aromatic polymeric compositions
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United States of America Patent
Stats
-
Jun 30, 2020
Grant Date -
Aug 4, 2016
app pub date -
Jan 29, 2016
filing date -
Jan 30, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The application relates to an expandable polymeric composition with an enhanced processability, which comprises a polymeric base, an expanding agent, and an additive with a plasticizing effect; said polymeric composition being characterized in that:
- the molecular mass at the maximum peak Mp of (i) ranges from 130 kDa to 190 kDa and the centrifugal average molecular mass Mz of (i) ranges from 430 kDa to 900 kDa,the difference in the glass-transition temperature (DTg) measured between a vinyl aromatic polymer having a molecular weight distribution (MWD) of (i) and composition of the vinyl aromatic fraction alone of (i), and a polymeric composition consisting of (i) and (iii), ranges from 1° C. to 8° C.
First Claim
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International Classification(s)
- 2016 Application Filing Year
- C08J Class
- 2510 Applications Filed
- 1585 Patents Issued To-Date
- 63.15 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- C08J Class
- 0 % this patent is cited more than
- 5 Age
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