The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 2009
Filed:
Nov. 08, 2002
Graciela Morales-balado, Saltillo, MX;
Rodolfo Flores-flores, Tampico, MX;
Antonio Montalvo-robles, Cuidad Madero, MX;
Ramon Enrique Diaz DE Leon-gomez, Saltillo, MX;
Pablo Acuna-vazquez, Saltillo, MX;
Graciela Morales-Balado, Saltillo, MX;
Rodolfo Flores-Flores, Tampico, MX;
Antonio Montalvo-Robles, Cuidad Madero, MX;
Ramon Enrique Diaz De Leon-Gomez, Saltillo, MX;
Pablo Acuna-Vazquez, Saltillo, MX;
Dynasol Elastomeros, S.A. De C.V., Altamire (Tamaulipas), MX;
Abstract
This invention describes the obtainment of impact-resistant materials from a block copolymer that comprises as monomers an alkadiene (conjugated diene) and a vinyl aromatic compound, which is used as impact modifier to obtain such materials and in which, at least, one of the blocks of the vinyl aromatic compound is polydisperse. The invention allows obtaining morphologies such as rods, points or capsules by incorporating such copolymer into a polymeric matrix derived from vinyl aromatic monomers independently from other agents such as chain transfer agents, and achieving increases, in the impact values up to 50% through the use of the copolymer of this invention.