ALBERTO DELEON
Electrician at Tiltree St, Houston, TX
License number
Texas 286137
Expiration Date
Feb 24, 2017
Category
Apprentice Electrician
Address
Address
9803 Tiltree St, Houston, TX 77075
Phone
(832) 816-7241
Professional information
Sulfonated Aromatic Polyester Polyol Compositions
US Patent:
2007020, Sep 6, 2007
Filed:
Mar 2, 2006
Appl. No.:
11/366185
Inventors:
Alberto DeLeon - Houston TX, US
David Shieh - Sugarland TX, US
David Shieh - Sugarland TX, US
International Classification:
C08G 18/48, C08G 18/00, H01M 4/88
US Classification:
521131000, 521172000, 252182100
Abstract:
Aromatic polyester polyols comprising the inter-esterification product of at least one phthalic acid based material, at least one hydroxylated material having a functionality of at least 2, and at least one low molecular weight sulfonated compound, are provided. These polyols may optionally include at least one hydrophobic material as an inter-esterification reactant. Also provided are methods for preparing such polyols. Further described are polyol-based compositions prepared using such polyols and a blowing agent, as well as methods for preparing such polyol-based compositions. Polyisocyanurate and polyurethane foams made from such polyol-based compositions, and to methods for preparing such polyisocyanurate and polyurethane foams are also described.