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nature : linear polymers as intermolecular crosslinking reaction so infinitely increasing viscosity of the gel phenomenon. Gel is a rise in temperature to nearly polymer decomposition temperature without melting, and in various solvents insoluble state. There gel reaction to the extent known as gel point. Thermoplastic resin in the synthesis of processing must be strictly controlled conditions to prevent the gel produced. The thermosetting resin processing, the gel point is the process control parameters can be determined by experiment and theory can be calculated.
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