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Melamine resin, also known as melamine formaldehyde or simply melamine, is a resin made of hydroxyl groups obtained from formaldehyde that are attached to the ends of melamine rings. Melamine and formaldehyde are the main components of this thermosetting resin.
Melamine formaldehyde is a complicated, interconnected polymer that is used in the surface coatings of automobiles, plywood and particleboard, laminated countertops and tabletops, and dishwasher-safe tableware. It cures to a transparent, hard, chemically resistant resin.
The Global EV Melamine formaldehyde market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
Developing melamine-formaldehyde microcapsules in an aqueous solution with a significant amount of a water miscible or water soluble organic liquid is made possible.
By adjusting the aqueous solution’s temperature and organic solvent concentration until the melamine-formaldehyde precondensate is just slightly soluble therein, an insoluble melamine-formaldehyde precondensate is created and dissolved in it.
A substance to be encapsulated is dispersed into an aqueous solution to create an emulsion because the melamine-formaldehyde precondensate is insoluble in the substance to be encapsulated, which is ideally an oily solution containing a dyestuff precursor.
In order to create melamine-formaldehyde microcapsules in an aqueous solution with a high concentration of a water miscible or water soluble organic solvent, the melamine-formaldehyde precondensate is separated from the aqueous solution and applied to droplets of the substance to be encapsulated.
The method for creating carbonless copy paper coatings with melamine-formaldehyde (hereinafter referred to as “MF”) microcapsules and the carbonless copy papers coated with those coatings are both covered by the present invention.
The method of creating MF microcapsules in a water medium with high concentrations of water soluble or water miscible organic solvents is the focus of the current invention, in more detail.
A layer of pressure-rupturable microcapsules holding a solution of colourless dyestuff precursor is typically coated on the back side of the front sheet of paper of a carbonless copy paper set during the production of pressure-sensitive recording papers, also known as carbonless copy papers.
