公开(公告)号：US20170362461A1

公开(公告)日：2017-12-21

申请号：US15538054

申请日：2015-12-22

Applicant: DSM IP Assets B.V.

Inventor： Roel Johannes Marinus SWAANS ,  Ronald TENNEBROEK ,  Gerardus Cornelis OVERBEEK ,  Paul DE KOK

IPC: C09D175/08 ,  C08J3/03 ,  C08G18/79 ,  C08G18/10 ,  C08G18/08 ,  C08G18/48 ,  C08G18/22 ,  C08L75/08 ,  C08G18/75

CPC classification number: C09D175/08 ,  C08G18/0823 ,  C08G18/0866 ,  C08G18/10 ,  C08G18/222 ,  C08G18/3231 ,  C08G18/325 ,  C08G18/4825 ,  C08G18/4854 ,  C08G18/755 ,  C08G18/791 ,  C08J3/03 ,  C08L75/08 ,  C08L2205/04 ,  C08L33/12 ,  C08L25/06

Abstract: The present invention relates to an aqueous coating composition comprising dispersed polymer particles, wherein (i) the dispersed polymer particles are polyurethane-vinyl polymer hybrid particles obtained by free-radical polymerization of at least one vinyl monomer in the presence of a polyurethane, (ii) the polyurethane and the vinyl polymer in the hybrid particles are present in a weight ratio of polyurethane to vinyl polymer ranging from 1:1 to 20:1, (iii) the polyurethane is the reaction product of at least the following components: (a) from 5 to 40 wt. % of at least one organic difunctional isocyanate, (b) from 0.5 to 4 wt. % of an isocyanate-reactive compound containing ionic or potentially ionic water-dispersing groups having a molecular weight of from 100 to 500 g/mol, (c) from 40 to 80 wt. % of at least one diol having a molecular weight from 500 to 5000, (d) from 0 to 10 wt. % of at least one active-hydrogen chain extending compound with a functionality of at least 2 (other than water), (e) from 0 to 10 wt. % of at least one diol having a molecular weight below 500 g/mol, where the amounts of (a), (b), (c), (d) and (e) are given relative to the total amount of components used to prepare the polyurethane from which the building blocks of the polyurethane are emanated, and where the isocyanate and hydroxy groups on the components used to prepare the polyurethane are present in a respective mole ratio (NCO to OH) in the range of from 0.8:1 to 5:1, preferably from 1.05:1 to 5:1 and even more preferably from 1.1:1 to 3.5:1.

公开(公告)号：US20140114010A1

公开(公告)日：2014-04-24

申请号：US14139694

申请日：2013-12-23

Applicant: DSM IP ASSETS B.V.

Inventor： Ilse VAN CASTEREN ,  Roland TENNEBROEK ,  Mario Cornelis SCHOONDERMARK ,  Paul DE KOK

IPC: C09D175/08

CPC classification number: C09D175/08 ,  C08G18/0823 ,  C08G18/672 ,  C08L75/04 ,  C08L75/16 ,  C09D175/04 ,  C09D175/16 ,  C08L2666/20

Abstract: A radiation curable aqueous coating composition having a 85° gloss of ≦60 upon drying comprising (A) 10 to 99 wt % of a polyurethane, (B) 1 to 90 wt % of a radiation curable component; (C) 0.1 to 10 wt % of an associative thickener; wherein at least 80 wt % of (A)+(B)+(C) has a particle size greater than 500 nm and wherein the C═C bond concentration of the composition is 0.2 to 5.0 mmol per g of (A)+(B)+(C).

Abstract translation: 干燥后具有85°光泽度的可辐射固化水性涂料组合物; 60（A）10至99重量％的聚氨酯，（B）1至90重量％的可辐射固化组分; （C）0.1〜10重量％的缔合增稠剂; 其中（A）+（B）+（C）的至少80重量％具有大于500nm的粒度，并且其中组合物的C = C键浓度为每摩尔（A）+（ B）+（C）。