A kind of vegetable oleic acid modified epoxy resin and preparation method, polymer containing the resin, preparation method and application thereof
A technology of epoxy resin and vegetable oleic acid, applied in the field of resin, can solve the problems of high cost of epoxy resin, affecting the storage stability of emulsion, affecting the appearance of emulsion coating film, etc.
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Embodiment 1
[0093] 1. Preparation of vegetable oleic acid modified epoxy resin
[0094] 1. Formula
[0095] name
Specification
weight
epoxy resin
Industrial product (equivalent 190g / mol)
901.5
Industrial products
312.5
Industrial products
0.1
soy acid
Industrial products
151.3
Industrial products
52
[0096] 2. Operation process: Add 901.5g of epoxy resin, 312.5g of bisphenol A, 151.3g of soybean oil, and 52g of butyl glycol to a three-necked flask equipped with a stirrer, condenser, and thermometer, and raise the temperature under nitrogen protection Add 0.1 g of N,N-dimethylbenzylamine at 100°C, continue to heat up to 140-150°C, and react for 3-4 hours. Reaction endpoint control detection epoxy equivalent> 1153g / mol is qualified. Obtain light yellow vegetable oleic acid modified epoxy resin, its molecular weight and molecular weigh...
Embodiment 2
[0139] 1. Preparation of vegetable oleic acid modified epoxy resin
[0140] 1. Recipe
[0141] name
Specification
weight
epoxy resin
Industrial product (equivalent 190g / mol)
940
Industrial products
325
Industrial products
0.075
Industrial products
150
Propylene Glycol Phenyl Ether
Industrial products
50
[0142] 2. Operation process: In a three-necked flask equipped with a stirrer, a condenser and a thermometer, add 940 g of epoxy resin, 325 g of bisphenol A, 150 g of linoleic acid, and 50 g of propylene glycol phenyl ether, and heat it to 100 °C under nitrogen protection. 0.075 g of tetramethylammonium chloride, continue to heat up to 140-150° C., and react for 3-4 hours. Reaction endpoint control detection epoxy equivalent>1153g / mol is qualified. A dark yellow linoleic acid modified epoxy resin was obtained, and its molecular we...
Embodiment 3
[0165] Same as Example 1, the difference is:
[0166] In the preparation of vegetable oleic acid modified epoxy resin:
[0167] The epoxy resin is a bisphenol A type epoxy resin, and the epoxy equivalent is 180 g / mol;
[0168] The vegetable oleic acid is a fatty acid with one or more unsaturated double bonds;
[0169] The basic catalyst is triethylamine;
[0170] The inert solvent is an alcohol solvent.
[0171] The results were similar to Example 1.
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Abstract
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