公开(公告)号：US09944743B2

公开(公告)日：2018-04-17

申请号：US15009851

申请日：2016-01-29

Applicant: Allnex Netherlands B.V.

Inventor： Dirk Emiel Paula Mestach ,  Rob Adolphs ,  Adam Berry ,  Maria Paulis ,  Maria Barandiaran ,  José Asua ,  Monika Goikoetxea ,  Itxaso Beristain

IPC: C08F290/06 ,  C09D11/105 ,  C09D151/08 ,  C09J151/08 ,  C08F2/24 ,  C09D5/02 ,  C09D11/10

CPC classification number: C08F290/061 ,  C08F2/24 ,  C09D5/02 ,  C09D11/10 ,  C09D11/105 ,  C09D151/08 ,  C09J151/08 ,  C08F220/00

Abstract: The process for the manufacture of an auto-oxidatively cross-linking hybrid polymer, in particular an aqueous hybrid polymer dispersion, comprises the step of reacting in a mini-emulsion process one or more ethylenically unsaturated monomers to form an addition polymer in the presence of a modified auto-oxidatively crosslinkable (AOC) polymer which has been modified with terminal unsaturated groups of the formula —C(R1)═CH2 wherein R1 is hydrogen, alkyl or aryl and wherein the AOC polymer is a hydrophobic polymer having an acid number between 5 to 30. The resulting aqueous hybrid polymer dispersion can be used for the manufacture of coating compositions, ink compositions or adhesives and coating compositions comprising the hybrid polymer dispersion as a binder.

公开(公告)号：US11084953B2

公开(公告)日：2021-08-10

申请号：US16750049

申请日：2020-01-23

Applicant: Allnex Netherlands B.V.

Inventor： Jaap Michiel Akkerman ,  Dirk Emiel Paula Mestach ,  Wincenty Lambertus Stanislaw Pilaszek ,  Rob Adolphs

IPC: C09D133/12 ,  C08F220/18 ,  C08F220/28 ,  C08F283/00 ,  C08G18/34 ,  C08G18/62 ,  C08G18/69 ,  C08G18/75 ,  C09D133/14 ,  C09D151/08 ,  C09D175/14 ,  C08G18/08

Abstract: The invention relates to a method of making an aqueous coating composition comprising a blend of at least a first aqueous polymer dispersion and a second aqueous polymer dispersion comprising a film-forming second polymer wherein the first aqueous polymer dispersion comprises a first polymer having a number average molecular weight, Mn, of from 2000 to 120000, an acid value of 30 to 150 mg KOH/g, a glass transition temperature Tg of at least 20° C. as calculated with the Fox formula, and an ethylene-oxide content of from 1 to 20 wt %, the method comprising blending an aqueous dispersion of the first polymer having a solids content of 25 to 50 wt % and a pH of 4.5 to 8.0 with an aqueous dispersion of the second polymer having a solids content of 25 to 55 wt % and a pH of 4.5 to 8.0.