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US 4,101,520 AGranted
Methylated, methylolated melamine composition
AssigneeAmerican Cyanamid Company
InventorLeslie Boldizar
Life of this patent
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Abstract
A methylated, methylolated melamine composition having a certain combined formaldehyde content, a certain combined methanol content in the form of methoxymethyl groups, a certain -NH content and a certain content of a free methylol groups, the process of preparing the same and the use of such a melamine composition in admixture with other polymeric materials to provide coating compositions.
Claims1
A methylated, methylolated melamine composition having a combined formaldehyde content of about 4.0 to 4.2 moles per mole of melamine;
- a combined methanol content in the form of methoxymethyl groups of about 3.7 to 3.8 moles per mole of melamine;
- an --NH content of about 1.1 to 1.25 moles per mole of melamine and a content of free methylol groups of about 0.12-0.4 mole per mole of melamine.
Dependencies are inferred from the claim text.