Alcohol-acid type wrinkled resin and preparing method
An alkyd, wrinkle technology, applied in the direction of coating, can solve the problems of wrinkle paint increasing safety hazards, easy powdering of paint film, easy to form glue and other problems, achieving good protection and decoration, energy saving, good hardness Effect
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Embodiment 1
[0052] 1. Formula: maleic anhydride 50kg, dicyclopentadiene 50kg, linolenic acid 40kg, 95% glycerin 20kg, phthalic anhydride 20kg, adduct 10kg, xylene 5kg, dilute solvent 200#30kg.
[0053] 2. Preparation of raw material adducts:
[0054] (1) The reaction kettle is a reaction kettle equipped with a stirrer, a thermometer, a condensation device, and a temperature control device
[0055] (2) Add maleic anhydride into the reaction kettle, heat and melt, and add dicyclopentadiene dropwise at a temperature of 175-185°C.
[0056] (3) After 1.5 hours of heat preservation reaction, measure the melting point of the adduct, and when the melting point is greater than 60° C., cool down and discharge, and set aside.
[0057] 3. Preparation of alkyd wrinkle resin:
[0058] (1) The reaction kettle is a reaction kettle equipped with a stirrer, a thermometer, a reflux device, and a temperature control device.
[0059] (2) The reaction temperature is controlled between 195 and 205°C.
[006...
Embodiment 2
[0063] 1. Formula: 60kg maleic anhydride, 40kg dicyclopentadiene, 40kg linolenic acid, 25kg 95% glycerin, 20kg phthalic anhydride, 10kg adduct, 3kg xylene, and dilute solvent 200#20kg.
[0064] 2. Preparation of raw material adducts:
[0065] (1) The reaction kettle is a reaction kettle equipped with a stirrer, a thermometer, a condensation device, and a temperature control device
[0066] (2) Add maleic anhydride into the reaction kettle, heat and melt, and add dicyclopentadiene dropwise at a temperature of 190-200°C.
[0067] (3) After the heat preservation reaction for 1 hour, measure the melting point of the adduct, and when the melting point is greater than 60° C., cool down and discharge, and set aside.
[0068] 3. Preparation of alkyd wrinkle resin:
[0069] (1) The reaction kettle is a reaction kettle equipped with a stirrer, a thermometer, a reflux device, and a temperature control device.
[0070] (2) The reaction temperature is controlled between 220 and 230°C. ...
Embodiment 3
[0074] 1. Formula: maleic anhydride 55kg, dicyclopentadiene 45kg, linoleic acid 35kg, 95% glycerin 18kg, phthalic anhydride 18kg, adduct 6kg, xylene 8kg, dilute solvent 200#10kg.
[0075] 2. Preparation of raw material adducts:
[0076] (1) The reaction kettle is a reaction kettle equipped with a stirrer, a thermometer, a condensation device, and a temperature control device
[0077] (2) Add maleic anhydride to the reaction kettle, heat and melt, and add dicyclopentadiene dropwise at a temperature of 160-170°C.
[0078] (3) After holding the reaction for 2 hours, measure the melting point of the adduct, and when the melting point is greater than 60° C., cool down and discharge, and set aside.
[0079] 3. Preparation of alkyd wrinkle resin:
[0080] (1) The reaction kettle is a reaction kettle equipped with a stirrer, a thermometer, a reflux device, and a temperature control device.
[0081] (2) The reaction temperature is controlled between 170 and 180°C.
[0082] (3) Add ...
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