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:
Jun. 07, 2022
Filed:
Dec. 10, 2018
Ineos Styrolution Group Gmbh, Frankfurt am Main, DE;
Tobias Schulz, Cologne, DE;
Gisbert Michels, Leverkusen, DE;
INEOS STYROLUTION GROUP GMBH, Frankfurt am Main, DE;
Abstract
The present invention relates to a process for producing a thermoplastic moulding composition comprising a thermoplastic copolymer A, a graft copolymer B and optionally a further polymer component C as well as optional further additives K, wherein the preparation of the graft copolymer B is carried out via emulsion polymerization, and wherein at least one surfactant S2 is used in grafting step of emulsion polymerization in a volume concentration in the range of 0.46 to 0.75 mol/m, based on the volume of the graft copolymer B latex particles obtained; and wherein the mean particle diameter Dof the latex particles of graft copolymer B is in the range of 60 to 800 nm.