Melamine and Substituted Melamines

The article contains sections titled: 1. Introduction 2. Physical Properties 3. Chemical Properties 3.1. Thermal Behavior 3.2. Hydrolysis 3.3. Salt Formation 3.4. Reaction with Aldehydes 4. Production 4.1. Low‐Pressure Processes 4.1.1. BASF Process 4.1.2. Chemie Linz Process 4.1.3. Stamicarbon Process 4.2. High‐Pressure Processes 4.2.1. Melamine Chemicals Process 4.2.2. Montedison (Ausind) Process 4.2.3. Nissan Process 5. Quality Specifications 6. Chemical Analysis 7. Storage and Transportation 8. Uses 9. Economic Aspects 10. Toxicology 11. Guanamines 11.1. Production 11.2. Uses 11.3. Toxicology Melamines (2,4,6‐triamino‐1,3,5‐triazines) are produced from urea. They are used in the fabrication of melamine – formaldehyde resins for laminating and adhesive applications. Melanine is used as cross‐linker in heat‐cured and high‐solids paint systems. Guanamines (2,4‐diamino‐1,3,5‐triazines) are produced from dicyandiamide and the corresponding nitrile by base‐catalyzed cyclocondensation. They are used in similar polymer applications as for melamine. They give a lower cross‐link density and higher flexibility because only two amino functionalities are present.

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Synthesis and Characterization of Allylmelamine Based Polymers

Gabriel

List

Schwarzinger

2012

Macromolecular Symposia

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Novel linear polymers on the basis of allyl functionalized melamine derivatives, without using formaldehyde as cross‐linking agent, were created. Allylpentamethylmelamine and allyltetramethylmelamine were polymerized by free radical mechanism in substance. Allylpentamethyl‐melamine was also copolymerized with styrene by anionic polymerization. The new polymers offer a broad range of industrial application for melamine derivatives, not only in homopolymerization but also in the copolymerization with other monomers. For molar mass determination the polymer has been separated in different fractions by SEC and characterized by SEC and MALDI‐ToF mass spectrometry.

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Melamine and Substituted Melamines

Cited by 3 publications

References 114 publications

Melamine and Guanamines

Melamine and Guanamines

Melamine and Guanamines

Synthesis and Characterization of Allylmelamine Based Polymers

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