What is the curing time in melamine impregnated paper processing
Today, the melamine impregnated paper will introduce the curing time in the processing of melamine impregnated paper. The curing time of the resin means that under the action of the temperature of the hot press, the inside of the resin begins to crosslink, and the low molecular weight polymer is polycondensed into a high molecular weight polymer with the loss of moisture. During this process, the viscosity of the molten resin will increase, and the resin will solidify after being heated for about 10 to 20 seconds, and a three-dimensional cross-linked structure will gradually form. This process has no obvious boundary with the flow of the resin. In the transitional phase that crosses over, the resin is fully cured within 30 to 60 seconds after the press is closed. The resin flow time means that after the hot pressing starts, the surface temperature of the melamine-impregnated paper product reaches above 150°C and the pressure reaches above 2MPa. Under the action of temperature and pressure, the resin flows to form a resin layer with a uniform surface. The time is about 10 seconds. The above is the introduction of the curing time in the processing of melamine impregnated paper. I hope it will help you. If you have any other questions or needs, you can log in to our official website or call for consultation. We look forward to your call and welcome new and old customers to come Our company visit cooperation!
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