Ketone-aldehyde resin with wide compatibility, process for its preparation, and composition containing same
AssigneeHuels Aktiengesellschaft
InventorsMartina Ortelt, Werner Freitag, Christina Machate
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Abstract
Ketone-aldehyde resins with wide compatibility, process for their preparation, and their use. The invention relates to ketone-aldehyde resins with wide compatibility comprising cycloaliphatic ketones and, in particular, formaldehyde and, if desired, further monomers, to a process for their preparation and to their use as hard resin in paints, printing inks and other coatings, especially in pigment preparations.
Claims12
A ketone-aldehyde condensation resin consisting essentially of:
- A) a ketone component:
- i) 40 to 100 mol % of at least one C.sub.1-8 alkyl-substituted cyclohexanone having one or more C.sub.1-8 alkyl radicals;
- and
- ii) 0 to 60 mol % of a further ketone other than i) having C.sub.1-20 aliphatic, C.sub.3-20 cycloaliphatic, C.sub.6-30 aromatic hydrocarbon radicals, substituted C.sub.1-20 aliphatic, substituted C.sub.3-20 cycloaliphatic, substituted C.sub.6-30 aromatic hydrocarbon radicals wherein said substituents are C.sub.1-20 aliphatic, C.sub.3-20 cycloaliphatic, C.sub.6-30 aromatic hydrocarbon radicals;
- and
- B) 0.8 to 2.0 mol of at least one C.sub.1-20 aliphatic aldehyde per mole of all the ketones employed,
- wherein said resin has an average molecular weight (Mn) of from 500 to 1,000 and a softening point of from 70.degree. to 95.degree. C.
A process for the preparation of a condensation ketone-aldehyde resin, comprising condensing a mixture consisting essentially of
- A) a ketone component:
- i) 40 to 100 mol % of at least one C.sub.1-8 alkyl-substituted cyclohexanone having one or more C.sub.1-8 alkyl radicals;
- and
- ii) 0 to 60 mol % of a further ketone other than i) having C.sub.1-20 aliphatic, C.sub.3-20 cycloaliphatic, C.sub.6-30 aromatic hydrocarbon radicals, substituted C.sub.1-20 aliphatic, substituted C.sub.3-20 cycloaliphatic, substituted C.sub.6-30 aromatic hydrocarbon radicals wherein said substituents are C.sub.1-20 aliphatic, C.sub.3-20 cycloaliphatic, C.sub.6-30 aromatic hydrocarbon radicals;
- and
- B) 0.8 to 2.0 mol of at least one C.sub.1-20 aliphatic aldehyde per mole of all the ketones employed
- in the presence of alkaline catalysts at temperatures of from 80.degree. to 90.degree. C.,
- wherein said resin has an average molecular weight (Mn) of from 500 to 1,000 and a softening point of from 70.degree. to 95.degree. C.
A ketone-aldehyde condensation resin consisting essentially of:
- A) a ketone component:
- i) 40 to 100 mol % of at least one C.sub.1-8 alkyl-substituted cyclohexanone having one or more C.sub.1-8 alkyl radicals;
- and
- ii) 0 to 60 mol % of a further ketone other than i) having C.sub.1-20 aliphatic, C.sub.3-20 cycloaliphatic, C.sub.6-30 aromatic hydrocarbon radicals, substituted C.sub.1-20 aliphatic, substituted C.sub.3-20 cycloaliphatic, substituted C.sub.6-30 aromatic hydrocarbon radicals wherein said substituents are C.sub.1-20 aliphatic, C.sub.3-20 cycloaliphatic, C.sub.6-30 aromatic hydrocarbon radicals;
- and
- B) 0.8 to 2.0 mol of at least one C.sub.1-20 aliphatic aldehyde per mole of all the ketones employed, and
- C) up to 60 mol % of phenol, phenol derivatives, urea, urea derivatives or mixtures thereof,
- wherein said resin has an average molecular weight (Mn) of from 500 to 1,000 and a softening point of from 70.degree. to 95.degree. C.
A ketone-aldehyde condensation resin consisting essentially of:
- A) a ketone component:
- i) 40 to 100 mol % of at least one C.sub.1-8 alkyl-substituted cyclohexanone having one or more C.sub.1-8 alkyl radicals;
- and
- ii) 0 to 60% of a further ketone other than i) having C.sub.1-20 aliphatic, C.sub.3-20 cycloaliphatic, C.sub.6-30 aromatic hydrocarbon radicals, substituted C.sub.1-20 aliphatic, substituted C.sub.3-20 cycloaliphatic, substituted C.sub.6-30 aromatic hydrocarbon radicals wherein said substituents are C.sub.1-20 aliphatic, C.sub.3-20 cycloaliphatic, C.sub.6-30 aromatic hydrocarbon radicals;
- and
- B) 0.8 to 2.0 mol of a mixture of formaldehyde and benzaldehyde of all the ketones employed,
- wherein said resin has an average molecular weight (Mn) of from 500 to 1,000 and a softening point of from 70.degree. to 95.degree. C.
Dependencies are inferred from the claim text.