公开(公告)号：US11261531B2

公开(公告)日：2022-03-01

申请号：US16645725

申请日：2018-09-11

Applicant: CHEMETALL GMBH ,  RHODIA OPERATIONS

Inventor： Lars Sebralla ,  Nawel Souad Khelfallah ,  Manfred Walter ,  Marie-Pierre Labeau ,  Guillaume Gody

IPC: C23G1/12 ,  C23C22/80 ,  B05D7/16 ,  C09D133/02 ,  C09D143/02 ,  C09D5/08 ,  C23C22/34 ,  C23G1/22

Abstract: Provided herein is a method for pretreating aluminum materials, particularly aluminum wheels, wherein an aluminum material is successively i) cleaned and subsequently rinsed, ii) optionally subjected to alkaline pickling and subsequently rinsed, iii) optionally contacted with an aqueous composition comprising at least one mineral acid, iv) optionally rinsed and v) contacted with an acidic aqueous composition comprising a) at least one compound selected from the group consisting of titanium, zirconium and hafnium compounds and b) at least one linear terpolymer prepared by controlled radical polymerisation and comprising vinylphosphonic acid monomeric units, hydroxylethyl- and/or hydroxylpropyl-(meth)acrylate monomeric units and (meth)acrylic acid monomeric units, vi) optionally rinsed, vii) optionally contacted with another aqueous composition, viii) optionally rinsed and ix) optionally dried. Further provided herein is a corresponding composition as well as the use of the materials treated according to the method.

公开(公告)号：US20210253870A1

公开(公告)日：2021-08-19

申请号：US17272819

申请日：2019-09-05

Applicant: Rhodia Operations ,  Chemetall GmbH

Inventor： Lars Sebralla ,  Nawel Souad Khelfallah ,  Axel Schoene ,  Marie-Pierre Labeau ,  Guillaume Gody

IPC: C09D5/08 ,  C09D133/08 ,  C09D133/26 ,  C23C22/56 ,  C23C22/34 ,  C23C22/80 ,  C23C22/83

Abstract: Described herein is a method for treatment of at least one surface of a substrate at least partially made of aluminum and/or an aluminum alloy, including at least a step of contacting said surface with an acidic aqueous composition (A) including one or more metal compounds (M) selected from the group of titanium compounds, zirconium compounds, and hafnium compounds and one or more linear polymers (P) containing (m1) N,N-dimethyl (meth)acryl amide, (m2) vinylphosphonic acid, and (m3) (meth)acrylic acid in form of their polymerized monomeric units, the one or more linear polymers (P) being included in the acidic aqueous composition (A) in an amount of 50 to 5000 ppm. Also described herein is an acidic aqueous composition (A), a master batch to produce the acidic aqueous composition (A), a method of using the acidic aqueous composition (A) for treating surfaces, and substrates comprising the treated surfaces.

公开(公告)号：US11958989B2

公开(公告)日：2024-04-16

申请号：US17272819

申请日：2019-09-05

Applicant: Rhodia Operations ,  Chemetall GmbH

Inventor： Lars Sebralla ,  Nawel Souad Khelfallah ,  Axel Schoene ,  Marie-Pierre Labeau ,  Guillaume Gody

IPC: C09D5/08 ,  C09D133/08 ,  C09D133/26 ,  C23C22/34 ,  C23C22/56 ,  C23C22/80 ,  C23C22/83

CPC classification number: C09D5/08 ,  C09D133/08 ,  C09D133/26 ,  C23C22/34 ,  C23C22/56 ,  C23C22/80 ,  C23C22/83

Abstract: Described herein is a method for treatment of at least one surface of a substrate at least partially made of aluminum and/or an aluminum alloy, including at least a step of contacting said surface with an acidic aqueous composition (A) including one or more metal compounds (M) selected from the group of titanium compounds, zirconium compounds, and hafnium compounds and one or more linear polymers (P) containing (m1) N,N-dimethyl (meth)acryl amide, (m2) vinylphosphonic acid, and (m3) (meth)acrylic acid in form of their polymerized monomeric units, the one or more linear polymers (P) being included in the acidic aqueous composition (A) in an amount of 50 to 5000 ppm. Also described herein is an acidic aqueous composition (A), a master batch to produce the acidic aqueous composition (A), a method of using the acidic aqueous composition (A) for treating surfaces, and substrates comprising the treated surfaces.

公开(公告)号：US20230374336A1

公开(公告)日：2023-11-23

申请号：US18248510

申请日：2021-10-01

Applicant: RHODIA OPERATIONS

Inventor： Guillaume Gody ,  Marie-Pierre Labeau ,  Vinayak Valodkar ,  Rakhi Sood ,  Manali Motiwale ,  Xavier Ivan Jérôme Revest ,  Cindy Granier ,  Justine Layec

IPC: C09D133/10 ,  C09D133/08 ,  C23C22/02 ,  C09J5/02 ,  C09J5/04

CPC classification number: C09D133/10 ,  C09D133/08 ,  C23C22/02 ,  C09J5/02 ,  C09J5/04

Abstract: The instant invention concerns the use of at least one polymer P obtained by radical copolymerization of a mixture of (i) acrylic acid; (ii) optionally methacrylic acid; and (iii) at least one ethylenically unsaturated monomer carrying an unsaturated heterocycle having at least two nitrogen atoms, said monomer being preferably an ethylenically unsaturated imidazole, for treating a metallic surface for treating a metallic surface intended to be coated by a paint, a varnish or an adhesive, for example intended to be adhesive-bonded to another surface, in order to impart a resistance to the adhesive failure to the resulting bonding.

公开(公告)号：US20210269654A1

公开(公告)日：2021-09-02

申请号：US17257240

申请日：2019-07-03

Applicant: Chemetall GmbH ,  RHODIA OPERATIONS

Inventor： Stefan Birkenheuer ,  Carina Hecker ,  Oliver Sauer ,  Daniel Schatz ,  Nawel Souad Khelfallah ,  Marie-Pierre Labeau ,  Guillaume Gody

IPC: C09D5/08 ,  C09D133/26 ,  C09D183/08 ,  C23F11/173 ,  C23C22/34

Abstract: Described herein is a method for treatment of a metallic surface, including the step of contacting the metallic surface with an acidic aqueous composition. Also described herein is an acidic aqueous composition used in the method for treatment, a master batch to produce such acidic aqueous composition, a method of using the acidic aqueous composition to treat metallic surfaces and substrates including the thus treated metallic surfaces.

公开(公告)号：US20230340306A1

公开(公告)日：2023-10-26

申请号：US17999530

申请日：2021-05-10

Applicant: RHODIA OPERATIONS

Inventor： Guillaume Gody ,  Marie-Pierre Labeau

IPC: C09J133/10 ,  C09J5/02

CPC classification number: C09J133/10 ,  C09J5/02 ,  C09J2400/163 ,  C09J5/04

Abstract: The instant invention concerns the use of at least one polymer P obtained by radical copolymerization of a mixture of (i) acrylic acid; (ii) methacrylic acid; and (iii) at least one 2-hydroxyethyl methacrylate phosphate for treating a metallic surface intended to be adhesive-bonded to another surface, in order to impart a resistance to the adhesive failure to the resulting bonding.

公开(公告)号：US20230203345A1

公开(公告)日：2023-06-29

申请号：US17999522

申请日：2021-05-10

Applicant: RHODIA OPERATIONS

Inventor： Guillaume Gody ,  Isabelle Storet ,  Laurent Garel ,  Marie-Pierre Labeau

IPC: C09J5/04 ,  C08F220/06 ,  C08F212/14 ,  C09J5/02 ,  C08F2/10

CPC classification number: C09J5/04 ,  C08F220/06 ,  C08F212/24 ,  C09J5/02 ,  C08F2/10 ,  C09J2301/50 ,  C09J2400/166

Abstract: The instant invention concerns the use of polymers obtained by radical copolymerization of a mixture of (1) acrylic acid; (2) methacrylic acid; and (3) at least one allylcatechol selected from 4-allylbenzene-1,2-diol, 3-allylbenzene-1,2-diol; methylated forms thereof (eugenols); and mixtures thereof, for treating a metallic surface intended to be adhesive-bonded to another surface, in order to impart a resistance to the adhesive failure to the resulting bonding.

公开(公告)号：US20210348277A1

公开(公告)日：2021-11-11

申请号：US17282607

申请日：2019-10-08

Applicant: Rhodia Operations ,  Chemetall GmbH

Inventor： Nawel Souad Khelfallah ,  Olaf Dahlenburg ,  Lisa Seider ,  Marie-Pierre Labeau ,  Guillaume Gody

IPC: C23C22/18 ,  C09D4/00 ,  C09D143/02 ,  C09D133/02 ,  C09D153/00 ,  C23C22/83 ,  C23C22/78 ,  C23C22/73

Abstract: Described herein is a method for treatment of at least one surface of a metal containing substrate including contacting the surface with an aqueous acidic Ni-free composition (A) including at least zinc cations, manganese cations, and phosphate anions to form a conversion coating on the surface, and contacting the formed coating with an aqueous Ni-free composition (B) including one or more linear polymers (P) containing vinyl phosphonic acid and (meth)acrylic acid in form of their polymerized monomeric units. Also described herein is a composition (B) as such, a master batch to produce the composition (B), a kit-of-parts including both compositions (A) and (B), a kit-of-parts including respective master batches to produce both compositions (A) and (B), and a coated substrate obtainable by the method described herein.

公开(公告)号：US20210163757A1

公开(公告)日：2021-06-03

申请号：US17257200

申请日：2019-07-03

Applicant: Chemetall GmbH ,  RHODIA OPERATIONS

Inventor： Stefan Birkenheuer ,  Carina Hecker ,  Oliver Sauer ,  Daniel Schatz ,  Nawel Souad Khelfallah ,  Marie-Pierre Labeau ,  Guillaume Gody

IPC: C09D5/08 ,  C09D5/00 ,  C09D183/08 ,  C09D133/26 ,  C23C22/34 ,  C23C22/78

Abstract: Described herein is a method for treatment of a metallic surface, including the step of (A) contacting the metallic surface with a first aqueous composition, and a subsequent step of (B) contacting the metallic surface subsequent to step (A) with a second aqueous composition. Also described herein is a kit-of-parts including the first and second aqueaous compostition and a kit-of-parts including master-batches of the first and second aqueous compostions. Also descibed is a method of using the kit-of-parts for treating a metallic surface and substrates including the thus treated metallic surfaces.

公开(公告)号：US10183891B2

公开(公告)日：2019-01-22

申请号：US15737574

申请日：2016-06-20

Applicant: RHODIA OPERATIONS

Inventor： Jean-Christophe Castaing ,  Katerina Karegianni ,  Marie-Pierre Labeau ,  Arnaud Vanberleere

IPC: C04B24/16 ,  C04B30/00 ,  C04B24/12 ,  C04B24/26 ,  C04B28/02 ,  C04B111/40 ,  C04B103/30 ,  C04B103/40

Abstract: The invention relates to a mineral foam stabilized by an association of surfactants comprising: a first surfactant carrying at least one sulfate group; and a second amphoteric surfactant.