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:
Sep. 06, 2005
Filed:
Jan. 26, 2001
Patrice Gaillard, Souchez, FR;
Philippe Heim, Pau, FR;
Gilles Meunier, Mazerolles, FR;
Bruno Vuillemin, Lescar, FR;
Patrice Gaillard, Souchez, FR;
Philippe Heim, Pau, FR;
Gilles Meunier, Mazerolles, FR;
Bruno Vuillemin, Lescar, FR;
Arkema, Paris la Defense Cedex, FR;
Abstract
The impact-resistant thermoplastic compositions comprising (A) a rigid thermoplastic methacrylic polymer or copolymer matrix P containing mostly methyl methacrylate units, (B) at least one impact-modifying additive and (C) at least one elastomer copolymer which contains grafting sites, at least on pendant chains, and is obtained from at least one vinylaromatic monomer (C) and from at one monomer chosen from the monomers (C): C-Clinear or branched alkyl acrylates, C-Calkoxyalkyl acrylates and aralkyl acrylates, dienes (C) and ethylenically unsaturated monomers (C) having one or more pendant initiating functional groups, the said copolymer (C) being grafted by thermoplastic polymer groups P and being dispersed in the matrix (A) in the form of nodules, which can be called 'particles', from 10 nm to 500 nm in size and able to have a droplet, capsule-type monoinclusion and/or salami-type multi-inclusion morphology.