公开(公告)号：US20160009950A1

公开(公告)日：2016-01-14

申请号：US14863383

申请日：2015-09-23

Applicant: DSM IP ASSETS B.V.

Inventor： Johan F.G.A. JANSEN ,  Leendert Jan MOLHOEK ,  Jan Pieter DRIJFHOUT

IPC: C09D167/02 ,  B05D1/06

CPC classification number: B05D1/06 ,  C09D167/06

Abstract: The invention relates to a heat curable powder coating composition suitable for being cured at a temperature from 60 to 130° C. comprising: a thermal initiation system and a resin system, wherein the reactivity of the thermal initiation system is such that the thermal initiation system provides a geltime between 2.5 and 1000 minutes at 60° C. in butane diol-dimethacrylate as measured according to DIN 16945 using 1 wt % of the thermal initiation system in 99 wt % of butane diol-dimethacrylate, wherein the amount of thermal initiation system is chosen such that when the powder coating composition is applied to a substrate and cured at a temperature of 130° C. for 20 minutes, the resulting coating resists at least 50 acetone double rubs, wherein the resin system comprises a resin and a co-crosslinker, wherein the resin contains reactive unsaturations and wherein said reactive unsaturations are carbon carbon double bonds connected directly to an electron withdrawing group, wherein the co-crosslinker is chosen from the group of acrylates, methacrylates, vinylesters, vinylethers, vinyl amides, alkyn ethers, alkyn esters, alkyn amides, alkyn amines, propargyl ethers, propargyl esters, itaconates, enamines and mixtures thereof, wherein the weight per unsaturation in the resin system is between 100 and 1000 g/mole as determined using 1H NMR and wherein the powder coating composition is a one component system.The powder coating compositions of the invention balance the ability to be cured at a low temperature with the ability to be easily processed in an extruder without the formation of gel.

Abstract translation: 本发明涉及一种适用于在60至130℃温度下固化的可热固化粉末涂料组合物，包括：热引发体系和树脂体系，其中热引发体系的反应性使得热引发体系 在丁二醇 - 二甲基丙烯酸酯中，在丁二醇 - 二甲基丙烯酸酯中的凝胶时间在2.5至1000分钟之间，根据DIN 16945测量，使用在99重量％丁二醇 - 二甲基丙烯酸酯中的1重量％的热引发体系，其中热引发体系 选择使得当将粉末涂料组合物施加到基材上并在130℃的温度下固化20分钟时，所得到的涂层抗拒至少50次丙酮双摩擦，其中树脂体系包含树脂和共 - 交联剂，其中所述树脂含有反应性不饱和度，并且其中所述反应性不饱和度是直接连接到吸电子基团的碳碳双键，其中c O-交联剂选自丙烯酸酯，甲基丙烯酸酯，乙烯基酯，乙烯基醚，乙烯基酰胺，炔烃，炔烃，炔酰胺，炔烃胺，炔丙基醚，炔丙基酯，衣康酸酯，烯胺和其混合物，其中每个不饱和度的重量 在树脂体系中，使用1 H NMR确定为100-1000g / mol，其中粉末涂料组合物是单组分体系。 本发明的粉末涂料组合物在低温下平衡了能够在挤出机中容易加工而不形成凝胶的能力。

公开(公告)号：US20160017153A1

公开(公告)日：2016-01-21

申请号：US14866623

申请日：2015-09-25

Applicant: DSM IP ASSETS B.V.

Inventor： Johan F.G.A. JANSEN ,  Jan Pieter DRIJFHOUT

IPC: C09D5/03 ,  C08J7/04 ,  C09D167/06

CPC classification number: C09D5/03 ,  C08J7/047 ,  C08J2467/06 ,  C08K5/0025 ,  C08K5/10 ,  C09D5/033 ,  C09D5/036 ,  C09D167/06 ,  C08L2666/18

Abstract: The invention relates to a one component heat curable powder coating composition comprising a resin containing reactive unsaturations and wherein all said reactive unsaturations are carbon carbon double bonds connected directly to an electron withdrawing group, a thermal initiation system comprising a peroxide chosen from the group of compounds represented by formula (1) wherein R1 and R2 each independently stand for an optionally substituted alkyl of 1 to 30 C-atoms, wherein the 1 to 30 C-atoms do not include the C-atoms of the substituents or for an optionally substituted aryl of 6 to 18 C-atoms, wherein the 6 to 18 C-atoms do not include the C-atoms of the substituents, and a co-crosslinker chosen from the group of vinylethers, vinyletherurethanes, vinylesters, vinylamides, itaconates, enamines, vinylureas and mixtures thereof.

Abstract translation: 本发明涉及一种包含含有反应性不饱和度的树脂的单组分热固化粉末涂料组合物，其中所有所述反应性不饱和键都是直接与吸电子基团连接的碳碳双键，包含选自化合物组中的过氧化物的热引发体系 由式（1）表示，其中R 1和R 2各自独立地代表任选取代的1至30个C原子的烷基，其中1至30个C原子不包括取代基的C原子或任选取代的芳基 6至18个C原子，其中6至18个C原子不包括取代基的C-原子，以及选自乙烯基醚，乙烯基醚，乙烯基酯，乙烯基酰胺，衣康酸酯，烯胺，乙烯基脲的共交联剂 及其混合物。

公开(公告)号：US20160009949A1

公开(公告)日：2016-01-14

申请号：US14858187

申请日：2015-09-18

Applicant: DSM IP ASSETS B.V.

Inventor： Johan F.G.A. JANSEN ,  Jan Pieter DRIJFHOUT

IPC: C09D167/02 ,  B05D1/12

CPC classification number: B05D1/06 ,  C09D167/06

Abstract: The invention relates to a one component heat-curable powder coating composition comprising a resin containing reactive unsaturations and wherein all said reactive unsaturations are carbon carbon double bonds connected directly to an electron withdrawing group, a thermal initiation system comprising a transition metal catalyst and a peroxide, wherein the peroxide is chosen from the group of peroxyesters, mono-peroxycarbonates and mixtures thereof and a co-crosslinker chosen from the group of vinylethers, vinylesters, vinylamides, itaconates, enamines and mixtures thereof.

Abstract translation: 本发明涉及一种包含含有反应性不饱和度的树脂的单组分可热固化粉末涂料组合物，其中所有所述反应性不饱和键都是与吸电子基团直接连接的碳碳双键，包含过渡金属催化剂和过氧化物的热引发体系 其中所述过氧化物选自过氧酯，单过氧碳酸酯及其混合物，以及选自乙烯基醚，乙烯基酯，乙烯基酰胺，衣康酸酯，烯胺及其混合物的共交联剂。