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Melamine / ˈmɛləmiːn / ⓘ is an organic compound with the formula C 3 H 6 N 6. This white solid is a trimer of cyanamide, with a 1,3,5-triazine skeleton. Like cyanamide, it contains 66% nitrogen by mass, and its derivatives have fire-retardant properties due to its release of nitrogen gas when burned or charred.
Melamine resin. Melamine resin or melamine formaldehyde (also shortened to melamine) is a resin with melamine rings terminated with multiple hydroxyl groups derived from formaldehyde. This thermosetting plastic material is made from melamine and formaldehyde. [ 1] In its butylated form, it is dissolved in n -butanol and xylene.
Urea-formaldehyde. Urea-formaldehyde ( UF ), also known as urea-methanal, so named for its common synthesis pathway and overall structure, [ 1] is a nontransparent thermosetting resin or polymer. It is produced from urea and formaldehyde. These resins are used in adhesives, plywood, particle board, medium-density fibreboard (MDF), and molded ...
Graphitic carbon nitride can be made by polymerization of cyanamide, dicyandiamide or melamine. The firstly formed polymeric C 3 N 4 structure, melon, with pendant amino groups, is a highly ordered polymer. Further reaction leads to more condensed and less defective C 3 N 4 species, based on tri-s-triazine (C 6 N 7) units as elementary building ...
But the pros and cons of Medicare Advantage are lopsided. Like most health insurance plans, you get more coverage when you pay more for insurance. Unfortunately, many people don't realize how hard ...
A number of concerns and controversies surfaced before, during, and after the 2008 Summer Olympics, and which received major media coverage.Leading up to the Olympics, there were concerns about human rights in China, [1] [2] [3] such that many high-profile individuals, such as politicians and celebrities, announced intentions to boycott the games to protest China's role in the Darfur conflict ...
Working, full-time students have less time to study, which can make passing classes much more difficult. You may begin to perform poorly on tests and fall behind. This is especially true if you ...
Melamine foam. A " Mr. Clean Magic Eraser" brand sponge, made from melamine foam. Melamine foam is a foam -like material consisting of a melamine-formaldehyde condensate. It is the active component of a number of abrasive cleaner sponges, notably the Magic Eraser . It is also used as thermal insulation and as a soundproofing material.
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