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US4566963A Expired / Lapsed US ⏱️ 0.0 years remaining

Water-dispersible binders based on modified epoxide/amine adducts, and their preparation and use

Assignee: BASF Farben und Fasern AG
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Filing: 1985-02-25
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Granted: 1986-01-28
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Expires: 2005-02-25
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Abstract

Abstract This application discloses water-dispersible binders which are based on modified epoxide/amine adducts and are the reaction products of A. polyepoxides having an epoxide equivalent greater than 1 and a mean molecular weight M n of 140 to 5,000 with B. diphenylolalkanoate esters and C. amines.

Inventors

  • 👤 Gunther Ott
  • 👤 Arnold Dobbelstein
  • 👤 Michael Geist
  • 👤 Georg Schon
  • 👤 Klaas Ahlers

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 17:27
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/04; C08G59/06; C08G59/066; C08G59/18; C08G59/40; C08G59/50; C08G59/56; C08G59/62; C08G59/625; C09; C09D; C09D5/00; C09D5/44; C09D5/4419; C09D5/443; C09D5/4434; H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/40

Claims Analysis

Total Claims: 32
Claim 1
Independent Claim 44 words
A water-dispersible binder based on modified epoxide/amine adducts, which comprises the reaction product of: A. a polyepoxide having an epoxide equivalent greater than 1 and a mean molecular weight M n of 140 to 5,000 with B. a diphenylolalkanoate ester and C. an amine.
Claim 2
Dependent Claim 44 words
A water-dispersible binder based on modified epoxide/amine adducts, which comprises the reaction product of: A. a polyepoxide having an epoxide equivalent greater than 1 and a mean molecular weight M n of 140 to 5,000 with B. a diphenylolalkanoate ester and C. an amine.
Claim 3
Dependent Claim 15 words
The binder according to claim 1, wherein said polyepoxide is a polyglycidyl ester or ether.
Claim 4
Dependent Claim 17 words
The binder according to claim 1, wherein said polyepoxide is an epoxide resin based on bisphenol A.
Claim 5
Dependent Claim 22 words
The binder according to claim 1, wherein said diphenylolalkanoate is the esterification product of a diphenylolalkanoic acid and an hydroxyl containing compound.
Claim 6
Dependent Claim 30 words
The binder according to claim 4, wherein said polyepoxide is selected from the group consisting of a polyglycidyl ester, a polyglycidyl ether and an epoxide resin based on bisphenol A.
Claim 7
Dependent Claim 13 words
The binder according to claim 5, wherein the diphenylolalkanoic acid is bis-(hydroxyphenyl)-acetic acid.
Claim 8
Dependent Claim 13 words
The binder according to claim 5, wherein the diphenylolalkanoic acid is 4,4'-bis-(hydroxyphenyl)-valeric acid.
Claim 9
Dependent Claim 21 words
The binder according to claim 4 or claim 5, wherein said compound containing hydroxyl groups is a saturated or unsaturated alcohol.
Claim 10
Dependent Claim 19 words
The binder according to claim 8, wherein the alcohol is a branched alcohol having more than 4 carbon atoms.
Claim 11
Dependent Claim 18 words
The binder according to claim 4 or claim 5, wherein the compound containing hydroxyl groups is a diol.
Claim 12
Dependent Claim 23 words
The binder according to claim 4 or claim 5 wherein the compound containing hydroxyl groups is a polyesteralcohol which on average is monofunctional.
Claim 13
Dependent Claim 25 words
The binder according to claim 1, 4 or 5, wherein up to 75% of the phenylol groups of said diphenylolalkanoate ester are etherified with mono-epoxides.
Claim 14
Dependent Claim 27 words
The binder according to claim 1, 4 or 5, wherein said amine is a primary and/or secondary and/or tertiary amine or a mixture of the said amines.
Claim 15
Dependent Claim 13 words
The binder as claimed in claim 13, wherein said amine is an alkanolamine.
Claim 16
Dependent Claim 13 words
The binder as claimed in claim 13, wherein said amine is a polyamine.
Claim 17
Dependent Claim 22 words
The binder as claimed in claim 15, wherein the polyamine contains at least one secondary and one or more tertiary amino groups.
Claim 18
Dependent Claim 17 words
The binder according to claim 1, 4 or 5, which is in combination with a curing agent.
Claim 19
Dependent Claim 44 words
The process for preparing water-dispersible binders based on modified epoxide/amine adducts, which comprises reacting A. a polyepoxide having an epoxide equivalent greater than 1 and a mean molecular weight M n of 140 to 5,000 with B. a diphenylolalkanoate ester and C. an amine.
Claim 20
Dependent Claim 44 words
The process for preparing water-dispersible binders based on modified epoxide/amine adducts, which comprises reacting A. a polyepoxide having an epoxide equivalent greater than 1 and a mean molecular weight M n of 140 to 5,000 with B. a diphenylolalkanoate ester and C. an amine.
Claim 21
Dependent Claim 28 words
The process according to claim 18 further comprising the step of rendering the product of the process of claim 18 water-dispersible by protonating said product with an acid.
Claim 22
Dependent Claim 35 words
The process according to claim 18 further comprising the step of preparing an aqueous dispersion of the binder product of the process of claim 18 wherein said binder is rendered water-dispersible by protonation with acid.
Claim 23
Dependent Claim 48 words
The process according to claim 18 or claim 20, wherein said polyepoxide is selected from the group consisting of a polyglycidyl ether or ester, and an epoxide resin based on bisphenol A, and said diphenylolalkanoic acid is the esterification product of an alkanoic acid and an hydroxylated compound.
Claim 24
Dependent Claim 16 words
The process according to claim 21, wherein said diphenylolalkanoic acid is 4,4'-bis-(hydroxyphenyl)valeric acid or bis-(hydroxyphenyl)-acetic acid.
Claim 25
Dependent Claim 24 words
The process according to claim 21, wherein said amine is selected from the group consisting of primary, secondary or tertiary amines or mixtures thereof.
Claim 26
Dependent Claim 19 words
The process according to claim 21, wherein said amine is selected from the group consisting of alkanolamines and polyamines.
Claim 27
Dependent Claim 16 words
A heat curable surface coating composition comprised of the binder of claim 1, 4 or 5.
Claim 28
Dependent Claim 14 words
The heat curable surface coating composition of claim 25 further comprising a crosslinking agent.
Claim 29
Dependent Claim 17 words
The heat curable surface coating composition according to claim 25 further including a pigment and flow agent.
Claim 30
Dependent Claim 70 words
A process comprising electrophoretically coating an electrically conductive substrate connected as the cathode, from an aqueous bath containing a cationic binder which has been at least partially neutralized with acids, and wherein said cationic binder comprises the reaction product of: A. a polyepoxide having an epoxide equivalent weight greater than 1 and a mean molecular weight M n of 140 to 5,000, B. a diphenylolalkanoate ester, and C. an amine.
Claim 31
Dependent Claim 70 words
A process comprising electrophoretically coating an electrically conductive substrate connected as the cathode, from an aqueous bath containing a cationic binder which has been at least partially neutralized with acids, and wherein said cationic binder comprises the reaction product of: A. a polyepoxide having an epoxide equivalent weight greater than 1 and a mean molecular weight M n of 140 to 5,000, B. a diphenylolalkanoate ester, and C. an amine.
Claim 32
Dependent Claim 14 words
The process according to claim 28, wherein said bath further includes a crosslinking agent.

References Cited (Backward Citations)

US2907741A Cited
US4031051A Cited
US4076676A Cited
US4148772A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-01-27 1989-07-29 1990-01-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-01-27 1993-07-29 1994-01-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-01-27 1997-07-29 1998-01-28 $7700.00 Window Closed / Lapsed

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