PREPARATION AND APPLICATION OF CHAIN-EXTENDING CONCENTRATES FOR POLYESTER FOAMING PROCESS
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Nov 18, 2010
app pub date -
May 18, 2010
filing date -
May 18, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The composition and the preparation of a chain-extending concentrate for production of foamed cellular materials of aromatic polyesters is disclosed in this invention. The chain-extending concentrate includes an ethylene-acrylate copolymer, a high-temperature thermoplastic and a multifunctional compound. The preparation process includes two steps: 1) Mixing and melt blending the multifunctional compound and the HT thermoplastic resin into the matrix of the ethylene-acrylate copolymer in an internal mixer and 2) extrusion of the mixture at a temperature below the melting point or reaction temperature of the multifunctional compound.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully