公开(公告)号：US20210062009A1

公开(公告)日：2021-03-04

申请号：US16956814

申请日：2019-01-25

Applicant: Allnex Netherlands B.V.

Inventor： Richard Hendrikus Gerrit BRINKHUIS ,  Robert WATSON ,  Martin BOSMA ,  Petrus Johannes Maria David ELFRINK ,  Antonius Johannes Wilhelmus BUSER ,  Pengcheng YANG ,  Roberto CAVALIERI ,  Massimiliano CENSI ,  Robertino CHINELLATO ,  Allessandro MINESSO

IPC: C09D5/03 ,  C08G18/42 ,  C08G18/60 ,  C08G18/62 ,  C08G18/73 ,  C08G18/75 ,  C08L63/00 ,  C08L75/06 ,  C08L33/08 ,  C08K5/09 ,  C08K5/105 ,  C08J3/12

Abstract: The invention relates to powder coating compositions suitable for low temperature powder coating crosslinking typically at curing temperature is between 75 and 140° C. which can be used for powder coating temperature-sensitive substrates like MDF, wood, plastic or temperature sensitive metal alloys.

公开(公告)号：US20240294698A1

公开(公告)日：2024-09-05

申请号：US18567133

申请日：2022-07-05

Applicant: Allnex Netherlands B.V.

Inventor： Richard Hendrikus Gerrit BRINKHUIS ,  Pengcheng YANG

IPC: C08G18/67 ,  B05D1/12 ,  C08G18/34 ,  C08J7/04 ,  C09D5/03

CPC classification number: C08G18/672 ,  B05D1/12 ,  C08G18/34 ,  C08J7/0427 ,  C09D5/03 ,  B05D2503/00 ,  C08G2150/20

Abstract: The invention is related to a powder coating composition comprising a crosslinkable composition and a catalyst system, wherein the crosslinkable composition is formed by a crosslinkable donor component A and a crosslinkable acceptor component B that are crosslinkable by a Real Michael Addition (RMA) reaction via the catalyst system, and which catalyst system is able to catalyze the RMA crosslinking reaction at a curing temperature below 140° C.; wherein the catalyst system comprises a (semi) crystalline precursor P, an activator C and optionally a retarder T.

公开(公告)号：US20240166884A1

公开(公告)日：2024-05-23

申请号：US18425558

申请日：2024-01-29

Applicant: Allnex Netherlands B.V.

Inventor： Richard Hendrikus Gerrit BRINKHUIS ,  Robert WATSON ,  Martin BOSMA ,  Petrus Johannes Maria David ELFRINK ,  Antonius Johannes Wilhelmus BUSER ,  Pengcheng YANG ,  Roberto CAVALIERI ,  Massimiliano CENSI ,  Robertino CHINELLATO ,  Alessandro MINESSO

IPC: C09D5/03 ,  C08G18/42 ,  C08G18/60 ,  C08G18/62 ,  C08G18/73 ,  C08G18/75 ,  C08J3/12 ,  C08K5/09 ,  C08K5/105 ,  C08L33/08 ,  C08L63/00 ,  C08L75/06

CPC classification number: C09D5/03 ,  C08G18/4211 ,  C08G18/606 ,  C08G18/6225 ,  C08G18/73 ,  C08G18/755 ,  C08J3/12 ,  C08K5/09 ,  C08K5/105 ,  C08L33/08 ,  C08L63/00 ,  C08L75/06 ,  C08G2150/20 ,  C08L2312/00

Abstract: The invention relates to powder coating compositions suitable for low temperature powder coating crosslinking typically at curing temperature is between 75 and 140° C. which can be used for powder coating temperature-sensitive substrates like MDF, wood, plastic or temperature sensitive metal alloys.

公开(公告)号：US20240294799A1

公开(公告)日：2024-09-05

申请号：US18569754

申请日：2022-07-05

Applicant: Allnex Netherlands B.V.

Inventor： Richard Hendrikus Gerrit BRINKHUIS ,  Pengcheng YANG

IPC: C09D175/14 ,  C08G18/24 ,  C08G18/28 ,  C08G18/32 ,  C08G18/34 ,  C08G18/73 ,  C09D5/03

CPC classification number: C09D175/14 ,  C08G18/246 ,  C08G18/282 ,  C08G18/3206 ,  C08G18/341 ,  C08G18/73 ,  C09D5/03 ,  C08G2150/20

Abstract: The invention is related to a powder coating composition comprising a crosslinkable composition and a catalyst system, wherein the crosslinkable composition is formed by a crosslinkable donor component A and a crosslinkable acceptor component B that are crosslinkable by a Real Michael Addition (RMA) wherein at least part of the crosslinkable donor component A and/or a crosslinkable acceptor component B are (semi) crystalline and comprise a polyurethane backbone formed by reacting a polyisocyanate, which is substantially hexamethylene diisocyanate (HDI), with a compound (i) which is more preferably a diol; and a compound (iia) comprising at least one, preferably 1, isocyanate reactive groups, preferably a hydroxyl and at least one functional group having at least one acidic C—H donor group in activated methylene or methine, a compound (iib) comprising at least one, preferably (1), isocyanate reactive groups, preferably a hydroxyl and at least one functional group having at least one activated unsaturated acceptor groups C═C, to form the (semi) crystalline acceptor component B.

公开(公告)号：US20240228793A1

公开(公告)日：2024-07-11

申请号：US18288458

申请日：2022-05-06

Applicant: Allnex Netherlands B.V.

Inventor： Pengcheng YANG ,  Richard Hendrikus Gerrit BRINKHUIS ,  Rong XIONG ,  Alessandro MINESSO

IPC: C09D5/03 ,  C09D7/61 ,  C09D7/80 ,  C09D163/10 ,  C09D167/07

CPC classification number: C09D5/033 ,  C09D7/61 ,  C09D7/80 ,  C09D163/10 ,  C09D167/07

Abstract: A powder coating composition blend comprising a crosslinkable composition and a catalyst system, wherein the crosslinkable composition is formed by a crosslinkable donor component A and a crosslinkable acceptor component B that are crosslinkable by a Real Michael Addition (RMA) reaction via the catalyst system, wherein the catalyst system is a separated catalyst system that comprises a catalyst precursor composition (P) and a catalyst activator composition (C) that are macrophysically separated; or wherein the crosslinkable donor component A and the crosslinkable acceptor component B are macrophysically separated.