Patent application number | Description | Published |
20080242751 | PROCESSES FOR MANUFACTURING POLYESTERS FROM POST-CONSUMER POLYESTER - The present invention relates to processes for manufacturing polyesters The processes can be used for manufacturing polyesters from post-consumer polyesters. The processes include contacting a post-consumer polyester with at least one diol, at elevated temperature in presence of a catalyst, effecting a transesterification reaction. Biologically-derived diols can be used. | 10-02-2008 |
20090043016 | FLAME RETARDANT POLYTRIMETHYLENE TEREPHTHALATE COMPOSITION - Improved flame retardant polytrimethylene terephthalate compositions are provided by including a fluorinated sulfonate salt as a flame retardant additive. | 02-12-2009 |
20090043017 | FLAME RETARDANT POLYTRIMETHYLENE TEREPHTHALATE COMPOSITION - Improved flame retardant polytrimethylene terephthalate compositions are provided by including a perfluorinated sulfonate salt as a flame retardant additive. | 02-12-2009 |
20090043019 | FLAME RETARDANT POLYTRIMETHYLENE TEREPHTHALATE COMPOSITION - Improved flame retardant polytrimethylene terephthalate compositions are provided by including a brominated flame retardant additive. | 02-12-2009 |
20090043020 | FLAME RETARDANT POLYTRIMETHYLENE TEREPHTHALATE COMPOSITION - Improved flame retardant polytrimethylene terephthalate compositions are provided by including a melamine cyanurate flame retardant additive. | 02-12-2009 |
20090043021 | FLAME RETARDANT POLYTRIMETHYLENE TEREPHTHALATE COMPOSITION - Improved flame retardant polytrimethylene terephthalate compositions are provided by including a certain phosphorous compound as a flame retardant additive. | 02-12-2009 |
20090123767 | ALIPHATIC-AROMATIC POLYESTERS, AND ARTICLES MADE THEREFROM - Sulfonated aliphatic-aromatic polyester compositions having improved thermal properties and biodegradability, and articles such as films, coatings and laminates, produced from the sulfonated aliphatic-aromatic polyester compositions, are provided. | 05-14-2009 |
20090131625 | Processes for making elastomeric polyester esters from post-consumer polyester - Processes for making elastomeric polyether esters from polyesters and polyols are provided. The processes can offer a reduction in manufacturing cost, energy use and a lower environmental footprint than conventional processes, particularly when the processes utilize post-consumer polyesters as starting materials. | 05-21-2009 |
20110097530 | Non-sulfonated Aliphatic-Aromatic Polyesters, and Articles Made Therefrom - Non-sulfonated aliphatic-aromatic polyester compositions having improved thermal properties and biodegradability, and articles such as films, coatings and laminates, produced from the non-sulfonated aliphatic-aromatic polyester compositions, are provided. | 04-28-2011 |
20110172329 | FLAME RETARDANT POLY(TRIMETHYLENE TEREPHTHALATE) COMPOSITION - Improved flame retardant polytrimethylene terephthalate compositions are provided by including a bis(diphenyl phosphate) flame retardant additive. | 07-14-2011 |
20110178206 | FLAME RETARDANT POLY(TRIMETHYLENE TEREPHTHALATE) COMPOSITION - Improved flame retardant polytrimethylene terephthalate compositions are provided by including a bis(diphenyl phosphate) flame retardant additive. | 07-21-2011 |
20110313125 | POLY(TRIMETHYLENE TEREPHTHALATE) PELLETS WITH REDUCED OLIGOMERS AND METHOD TO MEASURE OLIGOMER REDUCTION - The invention relates to the preparation of poly(trimethylene terephthalate) polymer pellets with reduced oligomers and a process for measuring the reduction of oligomers in PTT polymer which occurs when the polymer is subjected to a heat source. This reduction allows for lower polymer blooming due to reduction of oligomers in the polymer. | 12-22-2011 |