US4255310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous paints which contain polyglycidylamines as additives
Assignee: BASF SE
•
Filing: 1979-08-09
•
Granted: 1981-03-10
•
Expires: 1999-08-09
Abstract
Abstract Films obtained from paints based on conventional aqueous polymer dispersions exhibit improved wet adhesion to alkyd resin-coated substrates and improved blocking resistance if the paints contain polyglycidylamines which carry 2 or more glycidyl groups which are bonded to hydrogen-free nitrogens.
Inventors
- 👤 Knut Oppenlaender
- 👤 Rainer Strickler
- 👤 Hans J. Geelhaar
- 👤 Josef Lamprecht
- 👤 Erich Penzel
- 👤 Gregor Ley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:00
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/02; C09D5/024
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
44 words
An aqueous dispersion paint which comprises: a binder selected from the group consisting of homopolymers or copolymers or mixtures thereof; and 1-15% by weight based on said binder, of a polyglycidylamine carrying at least two glycidyl groups bonded to hydrogen-free nitrogen or salts thereof.
Claim 2
Dependent Claim
44 words
An aqueous dispersion paint which comprises: a binder selected from the group consisting of homopolymers or copolymers or mixtures thereof; and 1-15% by weight based on said binder, of a polyglycidylamine carrying at least two glycidyl groups bonded to hydrogen-free nitrogen or salts thereof.
Claim 3
Dependent Claim
33 words
The paint of claim 1, wherein said binder is a homopolymer or copolymer of a C 1 -C 10 alkyl acrylate, or of a C 1 -C 10 alkyl methacrylate, or mixtures thereof.
Claim 4
Dependent Claim
22 words
The paint of claim 1, wherein said binder is a homopolymer or a copolymer having a minimum film-forming temperature of 0°-80° C.
Claim 5
Dependent Claim
26 words
The paint of claim 3, wherein said copolymer having a film-forming temperature of 0°-80° C. is a copolymer of vinyl acetate with vinyl chloride and ethylene.
Claim 6
Dependent Claim
21 words
The paint of claim 1, wherein said copolymer having a film-forming temperature of 0°-80° C. is a carboxylated butadiene styrene copolymer.
Claim 7
Dependent Claim
17 words
The paint of claim 1, wherein said polyglycidylamines are present in an amount of 2-10% by weight.
Claim 8
Dependent Claim
11 words
The paint of claim 1, which has a pH of 4-11.
Claim 9
Dependent Claim
15 words
The paint of claim 1, wherein said polyglycidylamine is a C 1 -C 10 alkyl-diglycidylamine.
Claim 10
Dependent Claim
14 words
The paint of claim 8, wherein said alkyl is a C 4 alkyl group.
Claim 11
Dependent Claim
24 words
The paint of claim 1, wherein said polyglycidylamine is selected from the group consisting of N-n-butyl-N,N-diglycidylamine, N-isobutyl-N,N-diglycidylamine, N-methyl-N,N-diglycidylamine, N-ethyl-N,N-diglycidylamine, N-n-propyl-N,N-diglycidylamine, N-tert.-butyl-N,N-diglycidylamine, N-2-ethylhexyl-N,N-diglycidylamine, and N-n-decyl-N,N-diglycidylamine.
Claim 12
Dependent Claim
15 words
The paint of claim 1, wherein said polyglycidylamine is an N,N'-dialkyl-N,N'-diglycidylpolymethylenediamine having 2-10 methylene groups.
Claim 13
Dependent Claim
53 words
The paint of claim 1, wherein said polyglycidylamine has the formula (I): X.sub.2 N--R.sup.1 --(OR.sup.2 --).sub.n OR.sup.1 --NX.sub.2 (I) wherein X is ##STR5## R 1 is a C 1 -C 4 alkyl or alkylene group, R 2 is an alkylene of 1 to 20 carbon atoms and n is from 0 to 50.
Claim 14
Dependent Claim
24 words
The paint of claim 12, wherein the polyglycidylamine is selected from the group consisting of tetraglycidyl-4,7-dioxadecane-1,10-diamine, tetraglycidyl-4,9-dioxadodecane-1,12-diamine, tetraglycidyl-4,7,10-trioxatridecane-1,13-diamine, tetraglycidyl-4,7,10-trioxatridecane-1,13-diamine, tetraglycidyl-4,7-dioxadecane-1,10-diamine, tetraglycidyl-4,9-dioxa-dodecane-1,12-diamine, tetraglycidyl-4-oxaheptane-1,7-diamine, and tetraglycidyl-4,11-dioxatetradecane-1,14-diamine.
Claim 15
Dependent Claim
12 words
The paint of claim 1, wherein the polyglycidylamine has 2-4 glycidyl groups.
Claim 16
Dependent Claim
13 words
The paint of claim 12, wherein n in the formula (I) is 1-3.
Claim 17
Dependent Claim
18 words
The paint of claim 1, wherein the polyglycidylamines are added to the dispersion in the form of salts.
Claim 18
Dependent Claim
19 words
The paint of claim 16, wherein said salts are lower dialkyl sulfates having alkyl groups containing 1-4 carbon atoms.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-03-09 | 1984-09-08 | 1985-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-09 | 1988-09-08 | 1989-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-09 | 1992-09-08 | 1993-03-10 | $7700.00 | Window Closed / Lapsed |