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1. 发明公开

US20240317669A1 CARDANOL-BASED REACTIVE DILUENTS AND THEIR USE AND PREPARATION 审中-公开
公开(公告)号：US20240317669A1
公开(公告)日：2024-09-26
申请号：US18547224
申请日：2022-02-25
申请人： Covestro (Netherlands) B.V.
发明人： Johan Franz Gradus Antonius JANSEN , Simon HSUEH
IPC分类号： C07C69/54 , C07C41/01 , C07C41/20 , C07C67/24 , C08G18/34 , C08G18/76
CPC分类号： C07C69/54 , C07C41/01 , C07C41/20 , C07C67/24 , C08G18/34 , C08G18/7621
摘要： Disclosed herein are compounds, including cardanol derivates based upon cashew nut shell liquid, of the following structure:

wherein R1 is H or CH3; R2 is a Cγ alkyl chain having a number of H atoms defined by the expression X (2Y+1); wherein Y is from 9 to 15 and X is from 0.93 to 1.0; R3 is H or a C1-C4 alkyl chain, or H or CH3; and m is from 3 to 9, or from 3 to 8. Also described and claimed are various compositions, including UV-curable compositions, containing the compounds elsewhere disclosed. Yet further described and claimed are methods of preparing the compounds, compositions, and/or mixtures elsewhere described and claimed.

2. 发明授权

US12084535B2 Process for preparing waterborne dispersion 有权
公开(公告)号：US12084535B2
公开(公告)日：2024-09-10
申请号：US17426799
申请日：2020-01-29
申请人： COVESTRO (NETHERLANDS) B.V.
发明人： Michael Arnoldus Jacobus Schellekens , Johannes Hendrikus De Bont , Gerardus Cornelis Overbeek
IPC分类号： C08F2/38 , C08F4/80 , C08F293/00 , C09D133/04 , C09D153/00 , C09J133/04 , C09J153/00
CPC分类号： C08F293/005 , C08F2/38 , C08F4/80 , C09D133/04 , C09D153/00 , C09J133/04 , C09J153/00 , C08F2438/03
摘要： The present invention relates to a process for preparing a waterborne dispersion comprising amphiphilic block copolymer comprising at least blocks [A] and [B], and polymer P comprising ethylenically unsaturated monomer(s) different from monomer(s) (i) (monomer(s) (iii)), whereby the amount of block copolymer is higher than 0.5 and lower than 50 wt. %, based on the total weight of monomers used to prepare the block copolymer and polymer P, wherein the process comprises at least the following steps: (I) subjecting at least ethylenically unsaturated monomer(s) (i) bearing acid-functional groups to a free-radical polymerization process in an aqueous medium in the presence of a free radical initiator and a cobalt chelate complex to obtain block [A], (II) subjecting at least ethylenically unsaturated monomer(s) (ii) different from monomer(s) (i) to an emulsion polymerization process in aqueous medium in the presence of block [A] and a free radical initiator, whereby the amount of ethylenically unsaturated monomer(s) (ii) in block [B] is at least 70 wt. %, relative to the total weight amount of monomers used to prepare block [B] and whereby the ethylenically unsaturated monomer(s) (ii) is (are) selected from the group consisting of methacrylic acid esters, dialkyl esters of itaconic acid, methacrylonitrile, α-methyl styrene and any mixture thereof, (III) subjecting at least ethylenically unsaturated monomer(s) (iii) different from monomer(s) (i) to an emulsion polymerization process in aqueous medium at a pH in the range of from 5 to 10 in the presence of the amphiphilic block copolymer to obtain the block copolymer-polymer P, and the process further comprises deactivating the cobalt chelate complex, which remains from step (I), prior to and/or during step (II).

3. 发明授权

US11643501B2 Oxidizing, ionic and short oil alkyd resins for coatings with excellent balance of hardness and gloss 有权
公开(公告)号：US11643501B2
公开(公告)日：2023-05-09
申请号：US17056258
申请日：2019-08-12
申请人： Covestro (Netherlands) B.V.
发明人： Cornelis Eme Koning , Adrianus Jozephus Hendricus Lansbergen , Amyke Veurink , Bauke De Vries , Albertus Ronald Hofkamp , Bas Jacobus Catharina Tuijtelaars
IPC分类号： C08G63/48 , C08G63/688 , C08L71/00 , C09D167/08 , C08G63/672 , C08L67/02 , C08L67/06 , C08G63/676
CPC分类号： C08G63/48 , C08G63/672 , C08G63/676 , C08G63/6888 , C08L67/025 , C08L67/06 , C08L71/00 , C09D167/08
摘要： The invention relates to an oxidizing, ionic and short oil alkyd resin. The invention further relates to various compositions comprising the oxidizing, ionic and short oil alkyd resin, cured compositions derived upon curing of said compositions, objects comprising the various cured or uncured compositions as well as various uses of the oxidizing, ionic and short oil alkyd resin, and of the various compositions of the invention as well as of the various objects of the invention.

4. 发明申请

US20230120588A1 SELF-HEALING OLIGOMERS AND THE USE THEREOF 有权
公开(公告)号：US20230120588A1
公开(公告)日：2023-04-20
申请号：US17913659
申请日：2021-03-31
申请人： Covestro (Netherlands) B.V.
发明人： Meng He , Sam Hsieh , Jim Lin
IPC分类号： C08G18/38 , C08F290/06 , C08G18/61 , C08G18/32 , C08G18/12 , C08G18/67 , C08G18/24 , C08G18/75 , C08G18/48 , C08G18/73
摘要： Disclosed herein are self-healing oligomers according to the structure [UPy-(Dm-U-Dm)(2+q)]-[A(G)(n−1)-Dm]k-Z; wherein UPy, D, m, U, q, A, G, n, k, and Z are defined and described further herein, and wherein the oligomer possesses at least 3 urethane linking groups and comprises a backbone derived from a polyether polyol, a polyester polyol, a poly(dimethylsiloxane), a disulfide polyol, or combinations thereof. Also described and claimed are various compositions containing such oligomers as part of a self-healing component, wherein such compositions also include an optional reactive monomer and/or oligomer component and a photoinitiator component. Yet further described and claimed are articles cured from the compositions elsewhere described using the oligomers elsewhere described.

5. 发明申请

US20230119082A1 (AZIRIDINYL HYDROXY)-FUNCTIONAL ORGANIC COMPOUNDS 有权
公开(公告)号：US20230119082A1
公开(公告)日：2023-04-20
申请号：US17794712
申请日：2021-01-21
申请人： COVESTRO (NETHERLANDS) B.V.
发明人： Gerardus Cornelis OVERBEEK , Patrick Johannes Maria STALS , Daan VAN DER ZWAAG , Alfred BÜCKMANN
IPC分类号： C08G18/28 , C08G18/08 , C08G18/32 , C08G18/38 , C08G18/73 , C08G18/75 , C08G18/30 , C08G18/48 , C08G18/24 , C08G18/12 , C08G18/76 , C08G18/22 , C08G18/79 , C08G18/34 , C08G18/66 , C08G18/02 , C08G18/67 , C08L63/00
摘要： The invention relates to particular (aziridinyl hydroxy)-functional organic component. The invention further relates to liquid compositions comprising said (aziridinyl hydroxy)-functional organic component. The invention further relates to coating compositions comprising said (aziridinyl hydroxy)-functional organic component. The invention further relates to liquid coating compositions comprising said (aziridinyl hydroxy)-functional organic component. The invention further relates to a kit-of-parts comprising in one of its parts a liquid composition comprising a particular (aziridinyl hydroxy)-functional organic component. The invention further relates to cured forms of said liquid compositions, coating compositions, and liquid coating compositions. The invention further relates to articles comprising the (aziridinyl hydroxy)-functional organic component and/or the liquid compositions and/or the liquid coating compositions and/or their cured forms. The invention further relates to various uses of the (aziridinyl hydroxy)-functional organic component and/or said liquid compositions, and/or said liquid coating compositions, and/or said kit-of-parts and/or said cured forms.

6. 发明申请

US20230089045A1 WATER-DISPERSIBLE POLYURETHANE 有权
公开(公告)号：US20230089045A1
公开(公告)日：2023-03-23
申请号：US17800428
申请日：2021-03-26
申请人： COVESTRO (NETHERLANDS) B.V.
发明人： Richard George COOGAN , Samantha MARCHETTI , Nikole SEIL , Ronald TENNEBROEK
IPC分类号： C08G18/12 , C08G18/42 , C08G18/36
摘要： The present invention relates to an aqueous dispersion comprising dispersed particles comprising a polyurethane comprising at least the following building blocks derived from a) at least one organic polyisocyanate, b) at least one carboxylate group-bearing isocyanate-reactive compound, and c) at least one organic isocyanate-reactive polyol, wherein at least one of the carboxylate group-bearing compounds b) has the following structural formula O II (1) R2(R3)—N—C—R1-COO− wherein R1 is a divalent aliphatic hydrocarbon radical having from 2 to 8 carbon atoms or a divalent cycloaliphatic hydrocarbon radical having from 6 to 8 carbon atoms or a divalent aromatic hydrocarbon radical having from 6 to 8 carbon atoms, R2 and R3 are 2-hydroxypropyl.

7. 发明申请

US20230084090A1 NON-POROUS MICROPARTICLES 有权
公开(公告)号：US20230084090A1
公开(公告)日：2023-03-16
申请号：US17791138
申请日：2020-12-02
申请人： COVESTRO (NETHERLANDS) B.V.
发明人： Antonia URMANOVA GROOTJEN , Robert VAN DEN BERG JETHS , Joseph Petronella FRIEDERICHS
IPC分类号： C08J3/21 , C08J3/12
摘要： The invention relates to microparticles and compositions thereof as each of them is described in the specification. The invention further relates to microparticles obtained by a process as described in the specification, compositions thereof. The invention further relates to cured compositions as well as to objects or kits-of-parts comprising the microparticles of the invention and/or the compositions thereof and/or the cured compositions thereof. The invention further relates to the use of the microparticles of the invention and/or the compositions thereof, for lowering the gloss of coatings. The invention further relates to the use of the microparticles of the invention and/or the compositions thereof, for making matte coatings. The invention further relates to the use of the microparticles of the invention and/or the compositions thereof, for making soft-touch coatings. The invention further relates to the use of the microparticles of the invention and/or the compositions thereof, for making matte coatings. The invention further relates to the use of the microparticles of the invention and/or the compositions thereof, for making soft-touch matte coatings. The invention further relates to the use of the microparticles of the invention and/or the compositions thereof, for making 3D-printed objects. The invention further relates to the use of the microparticles of the invention and/or the compositions thereof, for making absorbent and superabsorbent objects.

8. 发明申请

US20230069357A1 TWO-COMPONENT COATING SYSTEM 有权
公开(公告)号：US20230069357A1
公开(公告)日：2023-03-02
申请号：US17792098
申请日：2021-01-21
申请人： COVESTRO (NETHERLANDS) B.V.
发明人： Gerardus Cornelis OVERBEEK , Patrick Johannes Maria STALS , Daan VAN DER ZWAAG , Alfred Jean Paul BÜCKMANN
IPC分类号： C09D175/12
摘要： The present invention relates to a two-component coating system comprising a first component and a second component each of which is separate and distinct from each other, wherein the first component comprises a carboxylic acid functional polymer dissolved and/or dispersed in an aqueous medium, and the second component comprises a multi-aziridine compound having: a) from 2 to 6 of the following structural units (A): b) whereby m is an integer from 1 to 8; and o R′ and R″ are both H b) one or more linking chains wherein each one of these linking chains links two of the structural units A; c) one or more connecting groups whereby each one of the connecting groups connects two of the structural units A; and d) a molecular weight in the range from 840 Daltons to 5000 Daltons, wherein the molecular weight is measured using MALDI-TOF mass spectrometry.

9. 发明申请

US20230054196A1 MULTI-AZIRIDINE COMPOUND 有权
公开(公告)号：US20230054196A1
公开(公告)日：2023-02-23
申请号：US17791852
申请日：2021-01-21
申请人： COVESTRO (NETHERLANDS) B.V.
发明人： Gerardus Cornelis OVERBEEK , Patrick Johannes Maria STALS , Daan VAN DER ZWAAG , Alfred Jean Paul BÜCKMANN , Josephus Christiaan VAN OORSCHOT
IPC分类号： C07D203/10 , C08K5/3412 , C09D133/02 , C09D7/63
摘要： The present invention relates to a multi-aziridine compound having: a) at least 2 of the following structural units (A) whereby R1 is H; R2 and R4 are independently chosen from H, a linear group containing from 1 to 8 carbon atoms and optionally containing one or more heteroatoms, a branched or cyclic group containing from 3 to 8 carbon atoms and optionally containing one or more heteroatoms, phenyl, benzyl, or pyridinyl; R3 is chosen from a linear group containing from 1 to 8 carbon atoms and optionally containing one or more heteroatoms, a branched or cyclic group containing from 3 to 8 carbon atoms and optionally containing one or more heteroatoms, phenyl, benzyl, or pyridinyl; or R2 and R3 (in case R2 is different than H) may be part of the same cyclic group containing from 3 to 8 carbon atoms; R′ and R″ are independently H or an aliphatic hydrocarbon group containing from 1 to 12 carbon atoms; and b) a molecular weight of at least 600 Daltons, wherein the molecular weight is determined using MALDI-TOF mass spectrometry according to the description.

10. 发明授权

US11485865B2 Thermosetting compositions and forming three-dimensional objects therefrom 有权
公开(公告)号：US11485865B2
公开(公告)日：2022-11-01
申请号：US16344488
申请日：2017-10-30
申请人： Covestro (Netherlands) B.V.
发明人： Paulus Antonius Maria Steeman , Marco Marcus Matheus Driessen
IPC分类号： C09D11/101 , B33Y70/00 , B33Y10/00 , B29C64/124 , C09D11/102 , C08F290/06 , C09D11/104 , C09D11/107 , C09D11/30 , B29C64/153 , G03F7/038
摘要： Thermoset compositions and methods for forming three-dimensional articles via an additive fabrication process, and articles made therefrom are disclosed herein. In an embodiment, a composition comprises a first network-forming component comprising a TPA-based polyester comprising a backbone and having at least 2 polymerizable groups, one or more first network monomers, and a first network initiator. The backbone of the TPA-based polyester comprises the reaction product of a terephthalic acid and a polyol. The composition may further comprise a second network-forming component.

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