Polyesteramide adhesives and sealing compounds
AssigneeSchering Corporation
InventorsManfred Drawert, Wolfgang Imoehl
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Abstract
What are disclosed are polyesteramides prepared by the condensation of dimerized fatty acids having 16-44 carbon atoms with ethylene diamine and with aliphatic co-diamines which are optionally substituted and optionally interrupted by heteroatoms, with diglycolamine, and with aliphatic, cycloaliphatic, aromatic, or araliphatic co-dicarboxylic acids; mixtures of such polyesteramides with copolymers of ethylene and vinyl acetate; and methods for using these polyesteramides or mixtures for the adhesion of organic or inorganic substrates to themselves or to each other, or as sealing compounds.
Claims6
A polyesteramide prepared by the condensation of
- (A) a dimerized fatty acid having 16 to 44 carbon atoms, with
- (B) ethylene diamine, with
- (C) at least one diamine of the formula
- H.sub.2 N--R--NH.sub.2,
- wherein R is aliphatic hydrocarbon having 3 to 36 carbon atoms which can be interrupted by one or more hetero atoms, and with
- (D) diglycolamine.
A polyesteramide prepared by the condensation of substantially equivalent amounts of (1) an acid component comprising
- (A) a dimerized fatty acid having 16 to 44 carbon atoms, and
- (E) a dicarboxylic acid of the formula
- R.sup.2 OOC--R.sup.1 --COOR.sup.2,
- wherein R.sup.1 is aliphatic, cycloaliphatic, aromatic, or araliphatic hydrocarbon having 1 to 8 carbon atoms,
- wherein the equivalence ratio of component (A) to component (E) is between 1:0.0 to 0.1:0.9, with (2) an amine and hydroxy component comprising
- (B) ethylene diamine,
- (C) at least one diamine of the formula
- H.sub.2 N--R--NH.sub.2,
- wherein R is aliphatic hydrocarbon having 3 to 36 carbon atoms which can be interrupted by one or more hetero atoms, and
- (D) diglycolamine
- wherein the equivalence ratio of components (B) and (C) to component (D) is between 0.3:0.7 and 0.9:0.1.
Dependencies are inferred from the claim text.