[특허]Internal anticratering agent for cathodic electrocoating compositions

[미국특허] Internal anticratering agent for cathodic electrocoating compositions 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C08K-003/20 C08L-063/00
출원번호	US-0828975 (1997-03-27)
발명자 / 주소	Chung Ding Yu
출원인 / 주소	E. I. du Pont de Nemours and Company
대리인 / 주소	Fricke
인용정보	피인용 횟수 : 4 인용 특허 : 30

초록 ▼

An improved aqueous cathodic electrocoating composition having a binder of an epoxy-amine adduct and a blocked polyisocyanate crosslinking agent; wherein the improvement is the incorporation of an anticrater agent which is a polyoxyalkylene diamine having a number average molecular weight of about 700-5,000 by reacting it with the epoxy resin of the epoxy-amine adduct; wherein the amine to epoxy equivalence ratio of amine groups of the polyoxyalkylene diamine to epoxy groups of the epoxy resin of the epoxy amine adduct is within the range of 0.01-0.90 to 1 and the resulting epoxy amine adduct has a number average molecular weight of about 1,500-20,000; where the above molecular weights are determined by Gel Permeation Chromatography (GPC) using polystyrene as the standard.

대표청구항 ▼

[ I claim:] [1.] An improved aqueous cathodic electrocoating composition having a binder of an epoxy-amine adduct and a blocked polyisocyanate crosslinking agent; wherein the improvement is the incorporation of an anticrater agent consisting of a polyoxyalkylene diamine having a number average molecular weight of about 700-5,000 by reacting the agent with the epoxy resin of the epoxy-amine adduct; wherein the amine to epoxy equivalence ratio of amine groups of the polyoxyalkylene diamine to epoxy groups of the epoxy amine adduct is about 0.01-0.90 to 1 and the resulting epoxy amine adduct has a number average molecular weight of about 1,500-20,000; where said molecular weights are determined by Gel Permeation Chromatography (GPC) using polystyrene as the standard.

이 특허에 인용된 특허 (30) 인용/피인용 타임라인 분석

Chung Ding-Yu (Farmington Hills MI) Debroy Tapan K. (Novi MI) Bartley Michael L. (Farmington Hills MI), Amine capped aliphatic polyepoxide grind resin for use in cathodic electrocoat processes.
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Hnig Helmut (Graz ATX) Jaeger Kurt E. (Wuppertal DEX) Klein Klausjrg (Wuppertal DEX) Saatweber Dietrich (Wuppertal DEX), Aqueous cathodic electro-deposition lacquer coating compositions and method of using the same.
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Carey John G. (Warrington GB2) Overbeek Gerardus C. (Sprang-Capelle NLX) Heuts Martinus P. J. (Chester GB2) Smak Yvonne W. (Nieuwegein NLX), Aqueous coating compositions.
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Beresford Michael P. (Victoria AUX) Redman Richard P. (Reading GB2), Aqueous dispersion of an amino-epoxide reaction product.
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Patzschke Hans-Peter (Wuppertal DEX) Cerny Peter W. (Wuppertal DEX) Saatweber Dietrich (Wuppertal DEX) Hendrikx Georg H. L. (Velbert DEX), Aqueous electrodeposition lacquer coating composition.
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Chung Ding Y. (Rochester Hills MI) Gam Allisa (Troy MI), Cathodic electrocoating compositions containing an anticrater agent.
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McCollum Gregory J. (Glenshaw PA) Scriven Roger L. (Gibsonia PA) Christenson Roger M. (Gibsonia PA) Mauer George W. (Gibsonia PA) Zwack Robert R. (Pittsburgh PA), Cationic coating compositions for electrodeposition over rough steel.
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McCollum Gregory J. (Glenshaw PA) Scriven Roger L. (Gibsonia PA) Christenson Roger M. (Gibsonia PA) Mauer George W. (Gibsonia PA) Zwack Robert R. (Pittsburgh PA), Cationic coating compositions for electrodeposition over rough steel.
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McCollum Gregory J. (Gibsonia PA) Zwack Robert R. (Allison Park PA) Scriven Roger L. (Gibsonia PA), Cationic electrocoating compositions.
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Valko Joseph T. (Pittsburgh PA) Faucher Philippe (Paris FRX) Karabin Richard F. (Ruffs Dale PA) Moriarity Thomas C. (Wexford PA) Eswarakrishnan V. (Allison Park PA) Van Buskirk Ellor J. (Wexford PA) , Cationic resin and capped polyisocyanate curing agent suitable for use in electrodeposition.
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Nambu Toshiro (Hyogo JPX) Kawaguchi Hirotoshi (Hyogo JPX) Furukawa Hisao (Hyogo JPX) Kato Yasushi (Hyogo JPX), Coated material.
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Patzschke Hans-Peter (Wuppertal DEX) Cerny Peter W. (Wuppertal DEX) Goebel Armin (Wuppertal DEX) Stransky Karlheinz (Wuppertal DEX), Crosslinked coating resin.
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Clark Peter D. (25888 Rutledge Crossing Farmington Hills MI 48331) Gilbert John A. (32855 Bellvine Trail Beverly Hills MI 48010) Ott Gunther (Van-Holte-Strasse 101 a 4400 Munster DEX) Rhl Dieter (Hit, Electrocoating composition of a polyamine self-condensed epoxy adduct and coatings produced thereby.
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Clark Peter D. (Farmington Hills MI) Gilbert John A. (Beverly Hills MI) Ott Gunther (Munster DEX) Ruhl Dieter (Munster DEX) Santure David J. (Northville MI) Heimann Ulrich (Munster DEX) Cibura Klaus , Electrocoating composition of a polyamine self-condensed epoxy adduct and coatings produced thereby.
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Clark Peter D. (Farmington Hills MI) Gilbert John A. (Beverly Hills MI) Ott Gunther (Munster DEX) Rhl Dieter (Munster DEX) Santure David J. (Munster DEX), Electrocoating composition of a polyamise self-condensed epoxy adduct and coatings produced thereby.
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McCollum Gregory J. (Gibsonia PA) Zwack Robert R. (Allison Park PA), Glycidol-modified polyepoxide-polyoxyalkylenepolyamine adducts.
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Debroy Tapan K. (Novi MI) Braun Dave W. (Toledo OH) Chung Ding-Yu (Farmington Hills MI), Low volatile organic content cathodic electrodeposition baths.
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Cibura Klaus (Munster MI DEX) Hallock Yali F. (Milford MI) Gilbert John A. (Birmingham MI) McGee John D. (Highland MI), Plasticizing resins, aqueous dispersions thereof and methods of making the same.
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Roue Jean (Othis FRX) LeDisert Yves (Drancy FRX) Faucher Philippe (Paris PA FRX) Scriven Roger L. (Gibsonia PA), Polyoxyalkylenepolyamine reaction products and their use in cationic electrodeposition.
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Johannes Gerhard (Taunusstein DEX) Hotze Hermann (Auringen DEX), Powder binder composition comprising an epoxy resin, a polyester resin and an accelerator.
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Ott Gnther (Mnster DEX) Reiter Udo (Telgte DEX) Jouck Walter (Mnster DEX) Santure David J. (Mnster DEX) Rhl Dieter (Mnster DEX), Process for coating electrically conducting substrates, substrates coated by this process and aqueous electrocoating bat.
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Ott Gnther (Mnster DEX) Reiter Udo (Telgte DEX) Jouck Walter (Mnster DEX) Santure David J. (Mnster DEX) Rhl Dieter (Mnster DEX), Process for coating electrically conducting substrates, substrates coated by this process and aqueous electrocoating bat.
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Ozawa Hiroshi (Yokohama JPX) Torii Yoshinori (Yokohama JPX) Kobayashi Nobuki (Yokohama JPX) Ishikawa Koji (Yokohama JPX), Process for forming metallic finish coatings.
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Wismer Marco (Gibsonia PA) Bosso Joseph F. (Lower Burrell PA), Process for the preparation of cationic resins, aqueous, dispersions, thereof, and electrodeposition using the aqueous d.
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Lahrmann Edgar (Vienna ATX) Dreke Stefan (Wuppertal DEX), Process for the production of multi-coat lacquer coatings.
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Grtter Roland (Wuppertal DEX) Bhmert Reiner (Haan DEX) Reinecke Rolf (Wiesbaden DEX), Thermosetting coating compositions and their use.
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Moriarity Thomas C. (Allison Park PA) Geiger William J. (New Kensington PA), Ungelled polyepoxide-polyoxyalkylenepolyamine resins, aqueous dispersions thereof, and their use in cationic electrodepo.
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Moriarity Thomas C. (Allison Park PA) Geiger William J. (New Kensington PA), Ungelled polyepoxide-polyoxyalkylenepolyamine resins, aqueous dispersions thereof, and their use in cationic electrodepo.
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Moriarity Thomas C. (Allison Park PA) Geiger William J. (New Kensington PA), Ungelled polyepoxide-polyoxyalkylenepolyamine resins, aqueous dispersions thereof, and their use in cationic electrodepo.
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Reeder Frank (Coventry GB2), Water-based coating compositions and process for coating said compositions.
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이 특허를 인용한 특허 (4) 인용/피인용 타임라인 분석

Gam,Allisa; Grawe,Thomas; Ruerup,Joachim; Fieberg,Andreas, Cathodic electrocoating compositions containing an anti-crater agent.
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Gam,Allisa; Grawe,Thomas; Ruerup,Joachim; Fieberg,Andreas, Cathodic electrocoating compositions containing an anti-crater agent.
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Thomas C. Moriarity ; Venkatachalam Eswarakrishnan ; Keith S. Ritter, Electrodepositable coating compositions including ungelled reaction products of epoxy functional polyesters and amines coated substrates and methods of electrocoating using the same.
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Thomas C. Moriarity ; Geoffrey R. Webster, Jr., Electrodepositable coating from gelled epoxy-polyester and amine.
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[미국특허] Internal anticratering agent for cathodic electrocoating compositions 원문보기

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