| 摘要 |
The binder (A) contains hydroxyl groups and carboxyl groups, the latter optionally in neutralised form, and is characterised in that the binder (A) essentially comprises a mixture of… polyalkylidene polyphenols (B) having mean degrees of condensation of from 2.3 to 8.0 and mean molecular weights Mn of from 250 to 1 000, these polyalkylidene polyphenols (B) containing phenolic OH groups and carboxyl groups, and… polyaddition products (C) containing structural units (d) derived from epoxide compounds (D) containing on average at least two 1,2-epoxide groups per molecule, the structural units (d) having a mean molecular weight Mn of from 600 to 10 000, and structural units (b) derived from the polyalkylidene phenols (B), these polyaddition products (C) having mean molecular weights Mn of at least 1 100. …<??>This binder (A) can be used to prepare paint formulations which are particularly suitable for coating the interiors of containers for the foodstuffs sector, the coatings being distinguished, in particular, by low release of toxins and good sterilisation stability. |
