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.

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：US10920101B2

公开(公告)日：2021-02-16

申请号：US15563956

申请日：2016-04-18

Applicant: ALLNEX NETHERLANDS B.V.

Inventor： Richard Hendrikus Gerrit Brinkhuis ,  Michael Anthony Gessner ,  Dirk Emiel Paula Mestach ,  Ramesh Subramanian ,  William Jay Degooyer ,  Ajaya Nanda ,  Eric Matthew McCracken ,  Francesca Fallani ,  Monique Alexina Mballa Mballa ,  Martin Bosma

IPC: C09D167/08 ,  C08J3/24 ,  C09D5/00 ,  C08F8/00 ,  C08L67/08 ,  B05D3/06 ,  C08G63/91

Abstract: The invention relates to RMA crosslinkable coating composition, a method for the preparation thereof and a resulting coating having easy to clean properties useful in applications like graffiti resistant, sanitisable coatings and in flooring, said composition comprising RMA crosslinkable component with at least 2 RMA donor groups and at least 2 RMA acceptor groups characterized by having fatty components selected from the group of fatty acids, fatty alcohols, fatty amines, fatty thiols and dimeric fatty acid in an amount represented by an Oil Content OC between 0, preferably 4 and 40 wt %, and crosslinking density XLD of at least 1.4 a glass transition Tg of at least 290 in combination providing a easy to clean value ΔE less than 20. The invention also relates to RMA crosslinkable fatty resins for use in RMA crosslinkable top coatings.

公开(公告)号：US10767074B2

公开(公告)日：2020-09-08

申请号：US15563952

申请日：2016-04-15

Applicant: ALLNEX NETHERLANDS B.V.

Inventor： Elwin Aloysius Cornelius Adrianus De Wolf ,  Ferry Ludovicus Thys ,  Richard Hendrikus Gerrit Brinkhuis ,  Nicole Mangnus-Verhagen ,  Antonius Johannes Wilhelmus Buser

IPC: C09D167/02 ,  C09D133/06 ,  C09D167/06 ,  C08J3/24 ,  C08L67/02 ,  C09D17/00

Abstract: The invention relates to a process for the preparation of a RMA crosslinkable composition comprising at least one crosslinkable component comprising reactive components A and B each comprising at least 2 reactive groups wherein the at least 2 reactive groups of component A are acidic protons C—H in activated methylene or methine groups and the at least 2 reactive groups of component B are activated unsaturated groups C═C and base catalyst C and one or more N—H group containing reactivity moderating component D that are also a Michael addition donor reactable with component B under the action of catalyst C, characterized in that the one or more reactivity moderating components D have a melting temperature above 60° C. and is first dissolved in one or more crosslinkable components comprising reactive components A or B and the obtained pre-dissolved product is later mixed with other components of the RMA crosslinkable composition.

公开(公告)号：US10647876B2

公开(公告)日：2020-05-12

申请号：US15889291

申请日：2018-02-06

Applicant: Allnex Netherlands B.V.

Inventor： Richard Hendrikus Gerrit Brinkhuis ,  Antonius Johannes Wilhelmus Buser ,  Petrus Johannes Maria David Elfrink ,  Ferry Ludovicus Thys ,  Nicole Mangnus-Verhagen ,  Elwin Aloysius Cornelius Adrianus De Wolf

IPC: C08G63/12 ,  C09D167/00 ,  C08K3/01 ,  C09D175/06 ,  B01J31/02 ,  C08J3/24 ,  C08K5/21 ,  C09D133/14 ,  C08K5/00

Abstract: An RMA crosslinkable composition having at least one crosslinkable component including reactive components A and B each including at least 2 reactive groups, the at least 2 reactive groups of component A being acidic protons (C—H) in activated methylene or methine groups and the at least 2 reactive groups of component B are activated unsaturated groups (C═C) and a base catalyst (C) which reactive components A and B crosslink by Real Michael Addition (RMA) reaction under action of the base catalyst, characterised in that the at least one crosslinkable component including reactive components A and B in the composition have a total hydroxy number of less than 60, preferably less than 40 and more preferably less than 20 mg KOH/g solids. Further, specific resins A and B having a low hydroxy number for use in RMA cross-linkable compositions and a process for the manufacture thereof.

公开(公告)号：US10647870B2

公开(公告)日：2020-05-12

申请号：US16204209

申请日：2018-11-29

Applicant: Allnex Netherlands B.V.

Inventor： Ram Gupta ,  Lawrence Flood ,  Urvee Treasurer ,  Barry Lawless ,  Colin Brogan

IPC: C09D133/02 ,  C08G12/12 ,  C08G12/36 ,  C09D161/24

Abstract: The invention relates to a coating composition comprising a reaction product UA of at least one multifunctional aldehyde A with at least one cyclic urea U, and a crosslinkable resin having at least one kind of functional groups selected from the group consisting of hydroxyl functional groups, acid functional groups, amide functional groups, amino functional groups, imino functional groups, mercaptan functional groups, phosphine functional groups, and carbamate functional groups, characterised in that the degree of etherification, measured as the ratio «(13 O—R)/«(U) of the amount of substance n(—O—R) of alkoxy groups as substituents of the aldehyde carbon atoms of the multifunctional aldehyde chemically bound in the reaction product UA to the amount of substance «(U) of cyclic urea U chemically bound in the reaction products, is less than 0.01 mol/mol, and to a process for the preparation of the reaction product UA.

公开(公告)号：US10604622B2

公开(公告)日：2020-03-31

申请号：US16002067

申请日：2018-06-07

Applicant: ALLNEX NETHERLANDS B.V.

Inventor： Richard Hendrikus Gerrit Brinkhuis ,  Ferry Ludovicus Thys ,  Elwin Aloysius Cornelius Adrianus De Wolf

IPC: C08G63/91 ,  C09D167/02 ,  C08J3/24 ,  C08G63/181 ,  C08K3/013

Abstract: A crosslinkable composition crosslinkable by Real Michael Addition (RMA) reaction comprising a component with at least 2 activated unsaturated groups and a component with at least 2 acidic protons C—H in activated methylene or methine which components can react to form a crosslinked network.

公开(公告)号：US10597556B2

公开(公告)日：2020-03-24

申请号：US15889291

申请日：2018-02-06

Applicant: Allnex Netherlands B.V.

Inventor： Richard Hendrikus Gerrit Brinkhuis ,  Antonius Johannes Wilhelmus Buser ,  Petrus Johannes Maria David Elfrink ,  Ferry Ludovicus Thys ,  Nicole Mangnus-Verhagen ,  Elwin Aloysius Cornelius Adrianus De Wolf

IPC: C08G63/12 ,  C09D167/00 ,  B01J31/02 ,  C08K3/01 ,  C08J3/24 ,  C08K5/00 ,  C09D175/06 ,  C08K5/21 ,  C09D133/14

Abstract: An RMA crosslinkable composition having at least one crosslinkable component including reactive components A and B each including at least 2 reactive groups, the at least 2 reactive groups of component A being acidic protons (C—H) in activated methylene or methine groups and the at least 2 reactive groups of component B are activated unsaturated groups (C═C) and a base catalyst (C) which reactive components A and B crosslink by Real Michael Addition (RMA) reaction under action of the base catalyst, characterised in that the at least one crosslinkable component including reactive components A and B in the composition have a total hydroxy number of less than 60, preferably less than 40 and more preferably less than 20 mg KOH/g solids. Further, specific resins A and B having a low hydroxy number for use in RMA cross-linkable compositions and a process for the manufacture thereof.

公开(公告)号：US10457776B2

公开(公告)日：2019-10-29

申请号：US15780276

申请日：2016-12-23

Applicant: ALLNEX NETHERLANDS B.V.

Inventor： Urvee Y. Treasurer ,  Zachary Wilde ,  Lawrence Flood ,  Sarah Quinn ,  Colin Brogan ,  Ram Gupta

IPC: C08G71/02 ,  C08G12/26 ,  C08G12/42 ,  C09D133/14 ,  C09D161/32 ,  C09D133/06

Abstract: The present invention relates to reaction products H of at least one cyclic urea U, at least one multifunctional aldehyde A and at least one polyol P, process for preparing thereof and compositions comprising thereof.

公开(公告)号：US20190161625A1

公开(公告)日：2019-05-30

申请号：US16314483

申请日：2017-07-04

Applicant: ALLNEX Netherlands B.V. ,  ALLNEX Resins UK Limited ,  ALLNEX Italy srl

Inventor： William WEAVER ,  Robert WATSON ,  Richard Hendrikus Gerrit BRINKHUIS ,  Martin BOSMA ,  Paul JONES ,  Steve WHITE ,  Dimitrios BAXEVANIS ,  Roberto CAVALIERI

IPC: C09D5/03 ,  C09D167/03 ,  C09D7/63

Abstract: The invention relates to a powder coating composition for low temperature curing that can be used on temperature sensitive substrates and, despite of the low curing temperature, has excellent flow properties and forms a coating with excellent appearance and nevertheless also good mechanical and weathering properties. The invention also relates to an advantageous process for the manufacture of the powder coating composition. Said powder coating composition comprises a poly-acid functional polyester component A, a poly-epoxy functional component B, a poly-anhydride functional component C and a thermosetting curing catalyst D. The invention also relates to a polyester for use in the powder coating compositions according to the invention, in particular for durable powder coatings.