[미국특허]
Electrocoat composition and process replacing phosphate pretreatment
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C25D-013/06
C08G-059/42
출원번호
US-0344753
(2008-12-29)
등록번호
US-8702943
(2014-04-22)
발명자
/ 주소
December, Timothy S
Chouai, Abdellatif
Stants, Cynthia A
출원인 / 주소
BASF Coatings GmbH
대리인 / 주소
Quinn Law Group, PLLC
인용정보
피인용 횟수 :
0인용 특허 :
65
초록▼
An aqueous electrodeposition coating composition comprising a cathodically electrodepositable binder, the binder comprising a phosphorylated resin and a carboxyl group separated by from 2 to 4 carbons from an ester group, provides corrosion protection equivalent to that obtained by the conventional
An aqueous electrodeposition coating composition comprising a cathodically electrodepositable binder, the binder comprising a phosphorylated resin and a carboxyl group separated by from 2 to 4 carbons from an ester group, provides corrosion protection equivalent to that obtained by the conventional phosphate pretreatment-electrodeposition coating process.
대표청구항▼
1. An aqueous coating composition comprising a binder, the binder comprising (a) a phosphorylated resin,(b) a crosslinker for the phosphorylated resin,(c) optionally a second, amine-functional resin reactive with the crosslinker, wherein the second, amine-functional resin does not include phosphorou
1. An aqueous coating composition comprising a binder, the binder comprising (a) a phosphorylated resin,(b) a crosslinker for the phosphorylated resin,(c) optionally a second, amine-functional resin reactive with the crosslinker, wherein the second, amine-functional resin does not include phosphorous-containing groups,wherein the phosphorylated resin or the crosslinker comprises, or the second amine-functional resin is included and comprises, a carboxyl group separated by from 2 to 4 carbons from an ester group, wherein the carboxyl group separated by from two to four carbons from an ester group has a structure in which n is 2, 3, or 4 and each of R and R1 is independently selected from H and hydrocarbyl groups having one to four carbon atoms. 2. An aqueous coating composition according to claim 1, wherein the phosphorylated resin is an epoxy resin. 3. An aqueous coating composition according to claim 1, wherein the phosphorylated resin comprises a monophosphate ester group, a monophosphonic acid ester group, or both. 4. An aqueous coating composition according to claim 1, wherein the phosphorylated resin comprises a diphosphate ester group, a diphosphonic acid ester group, or both. 5. An aqueous coating composition according to claim 1, wherein the phosphorylated resin comprises, on average, more than one phosphorous atom per molecule. 6. An aqueous coating composition according to claim 1, wherein the carboxyl group separated by from 2 to 4 carbons from an ester group is the reaction product of a cyclic anhydride with a hydroxyl group. 7. An aqueous coating composition according to claim 1, wherein the phosphorylated resin is electrodepositable. 8. An aqueous coating composition according to claim 1, wherein the phosphorylated resin comprises the carboxyl group separated by from two to four carbons from an ester group. 9. An aqueous coating composition according to claim 1, wherein the binder comprises the second resin that is amine-functional. 10. An aqueous coating composition according to claim 1, wherein the phosphorylated resin is an acrylic resin. 11. An aqueous coating according to claim 1, wherein the binder is electrodepositable. 12. An aqueous coating according to claim 11, wherein the binder is cathodically electrodepositable. 13. An aqueous coating composition according to claim 1, wherein the phosphorylated resin comprises at least one group in which X is a hydrogen, a monovalent hydrocarbon, or an oxygen atom having a single covalent bond to the phosphorous atom, and each oxygen atom has a covalent bond to a hydrogen atom, an alkyl group, an aryl group, an alkylaryl group, an arylalkyl group, or the amine-functional resin, with the caveat that at least one oxygen atom has a covalent bond to the resin. 14. An aqueous coating composition according to claim 13, wherein the phosphorylated resin is electrodepositable. 15. An aqueous coating composition according to claim 13, further comprising the second, amine-functional resin. 16. A method of coating a metal automotive vehicle body, comprising: (a) cleaning the metal automotive vehicle body;(b) placing the cleaned metal automotive vehicle body into an aqueous coating composition according to claim 1;(c) connecting the metal automotive vehicle body as a cathode in an electric circuit and passing a current through the aqueous electrodeposition coating composition to deposit a coating layer onto the metal automotive vehicle body. 17. A method of coating a metal automotive vehicle body according to claim 16, wherein the metal automotive vehicle body is free of a phosphate pre-treatment. 18. A method of coating a metal automotive vehicle body according to claim 16, wherein the phosphorylated resin comprises a phosphate ester of a polyepoxide resin, a phosphonic acid ester of a polyepoxide resin, or a combination thereof. 19. A method of coating a metal automotive vehicle body according to claim 16, wherein the phosphorylated resin comprises a diphosphate ester of a polyepoxide resin, a diphosphonic acid ester of a polyepoxide resin, or a combination thereof. 20. A method of coating a metal automotive vehicle body according to claim 16, wherein the phosphorylated resin comprises, on average, more than one phosphorous atom per molecule. 21. A method of coating a metal automotive vehicle body according to claim 16, wherein the phosphorylated resin is an epoxy resin. 22. A method of coating a metal automotive vehicle body according to claim 21, wherein the phosphorylated epoxy resin comprises the carboxyl group separated by from 2 to 4 carbons from an ester group.
Treybig Duane S. (Lake Jackson TX) Wang David S. (Lake Jackson TX) Sheih Pong S. (Lake Jackson TX) Ho Loan A. (Lake Jackson TX), Advanced epoxy compositions, curable compositions and cured products.
Pawlik,Michael J.; Jones,Dennis W.; Gray,Ralph C.; Nugent, Jr.,Richard M.; Le Disert,Yves; Deronne,Laurent, Aqueous composition of reaction product of epoxy and phosphorus materials with curing agent.
Mysliwczyk Richard G. (Pittsburgh PA) McCarty William H. (Lancaster VA) Spencer Arthur T. (Wexford PA), Aqueous epoxy resin-based coating compositions useful for coating metal containers.
Schipfer Rudolf (Graz ATX) Schmoelzer Gerhard (Graz ATX) Urbano Edmund (Graz ATX), Catalyzed cationic lacquer binder, process for producing the same and its use.
Guagliardo Matthew (Bloomfield NJ) DebRoy Tapan K. (Novi MI) Pucknat John (New York NY), Cationic electrodepositable resin compositions containing polyurethane resin dispersions.
Kriessmann Ingo (Graz ATX) Paar Willibald (Graz ATX), Diester of phosphoric acid and monoepoxide reacted with epoxide to form product reacted with monoisocyanate.
Schwerzel Thomas (Ludwigshafen DEX) Schupp Hans (Worms DEX) Lawrenz Dirk (Ditzingen DEX) Oslowski Hans (Muenster DEX) Heimann Ulrich (Muenster DEX), Electrocoating binders which are water-dilutable on protonation with an acid, for the production of thick coating films,.
Kollah Raphael O. ; Scott Matthew S. ; McCollum Gregory J. ; Bethoski Joseph A., Electrodepositable coating composition containing bismuth and amino acid materials and electrodeposition method.
McMurdie Neil D. ; Zwack Robert R. ; Scott Matthew S. ; White Michael L., Electrodepositable coating composition containing bismuth diorganodithiocarbamates and method of electrodeposition.
Mysliwczyk Richard G. (Pittsburgh PA) McCarty William H. (Lancaster VA) Spencer Arthur T. (Wexford PA), Epoxy resin based coating composition and method.
Arlt, Klaus; Mayer, Bernd; Wylegalla, Franz-Josef; Zdahl, Norbert, Integrated coating method for auto body parts containing plastic parts or for cabins of passenger cars and utility vehicles as well as for their replacement parts and add-on parts.
Sullivan Carl J. (315 Colonial Dr. Exton PA 19341), Linear polyester diols based on isophthalic acid and 2-methyl-1,3-propanediol for thermoset coating compositions.
Martin Patrick H. (Danville CA), Method of water-solubilizing high performance polyether epoxide resins, the solubilized resins and thermoset, hydrophobi.
McGrath James E. (Blacksburg VA) Gungor Attila (Blacksburg VA), Novel phosphorus containing epoxy networks based on trihydrocarbyl phosphine oxides having active substituents.
Kollah Raphael O. ; Woodworth Brian E. ; Anderson Lawrence G. ; Scott Matthew S., Organosulfur bismuth compounds and their use in electrodepositable coating compositions.
Kelso Robert G. (Wexford PA) Ahuja Meena S. (Pittsburgh PA) Schmitt Peter D. (Glen Dale WV), Polyurethane compositions with improved storage stability.
Schwarte, Stephan; Wegner, Egon, Polyurethanes and graft copolymers based on polyurethane, and their use for producing coating materials, adhesives, and sealing compounds.
Hnig Helmut (Graz ATX) Pampouchidis Georg (Graz ATX) Matzer Herbert (Graz ATX), Process for the preparation of pigment paste resins for cathodically depositable coating compositions having quaternized.
Ring John (Romford GB2) French David (Walthamstow GB2) Hickling Michael (Saffron Walden GB2) Sturgess Michael G. (Addington GB2), Synthetic resins and coating compositions containing them.
Barkac Karen A. ; Coca Simion ; Franks James R. ; Humbert Kurt A. ; Lamers Paul H. ; Martin Roxalana L. ; O'Dwyer James B. ; Olson Kurt G. ; White Daniela, Thermosetting compositions containing hydroxy functional polymers prepared by atom transfer radical polymerization.
Maze,Etienne; Mocquery,Carmen; Millet,Benoit; Espinosa,Antonio Francisco Iandoli, Use of MoOas corrosion inhibitor, and coating composition containing such an inhibitor.
Okazaki,Shuichi; Katsuta,Hideaki; Mizutani,Yutaka, Water based intercoat coating composition and multi-layer coating film-forming method by use of the same.
Tanaka,Shigehiro; Takase,Masanori; Matsuo,Hiroshi, Water-based coating composition curable with actinic energy ray, coated metallic material with cured film of the composition, production process, and method of bonding coated metallic material.
Gray, Ralph C.; Van Buskirk, Ellor James; Pawlik, Michael J.; Nugent, Jr., Richard M.; Jones, Dennis W.; Coldren, Kathleen M.; Perrine, Steven D.; Jones, James E., Weldable coating of phosphated epoxy polymer, curing agent and electroconductive pigment.
Berger, Valentin; Gray, Ralph C.; Nugent, Jr., Richard M.; Pawlik, Michael J., Weldable, coated metal substrates and methods for preparing and inhibiting corrosion of the same.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.