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.