Packaging box adhesive and preparation method thereof
A technology for adhesives and packaging boxes, applied in the direction of adhesive types, rosin adhesives, adhesives, etc., can solve the problems of unguaranteed product quality of packaging boxes, weak adhesive cohesion, compression resistance, Problems such as poor moisture resistance and high temperature resistance, to achieve strong adhesion, enhanced high temperature resistance and adhesion performance, and good adhesion performance
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Example Embodiment
[0014] Example 1 of the present invention.
[0015] A packaging box adhesive, by weight, consists of 30-50 parts of epoxy resin, 30-50 parts of maleic acid resin, 30-50 parts of 2-imidazolidinone, 30-50 parts of ethylene-acetic acid copolymer, 10-20 parts of butyl rubber, 20-40 parts of epoxy soybean oil, 15-30 parts of castor oil hydrogenation mixture, 10-20 parts of cooked tung oil, 8-12 parts of tripropargyl trimellitate, water-soluble poly 8-12 parts of ethylene vinyl alcohol wax, 8-12 parts of isopropanol, 8-12 parts of silicone resin, 0.8-1.2 parts of antioxidant, 1-3 parts of tackifier and 2-20 parts of deionized water .
[0016] The packaging box adhesive is composed of 40 parts of epoxy resin, 40 parts of maleic acid resin, 40 parts of 2-imidazolidinone, 40 parts of ethylene-acetic acid copolymer, 15 parts of butyl rubber, and ring 30 parts of oxygenated soybean oil, 22 parts of castor oil hydrogenation mixture, 15 parts of cooked tung oil, 10 parts of tripropargyl trime...
Example Embodiment
[0023] Example 2 of the present invention.
[0024] A packaging box adhesive, by weight, composed of 30 parts epoxy resin, 30 parts maleic acid resin, 30 parts 2-imidazolidinone, 30 parts ethylene-acetic acid copolymer, 10 parts butyl rubber, epoxy resin 20 parts of soybean oil, 15 parts of castor oil hydrogenation mixture, 10 parts of cooked tung oil, 8 parts of tripropargyl trimellitate, 8 parts of water-soluble polyvinyl alcohol wax, 8 parts of isopropanol, 8 parts of silicone resin It is composed of 0.8 parts of antioxidant, 1 part of tackifier and 2 parts of deionized water.
[0025] The preparation method of the packaging box adhesive includes the following steps:
[0026] (1) Add epoxy resin, maleic acid resin, 2-imidazolidinone, tripropargyl trimellitate, and silicone resin into the reactor, stir and react at 120-150℃ for 0.9-1.3h, and cool to 80-90℃, add meta-ethylene-acetic acid copolymer dropwise, continue to stir and react for 0.5-0.6h to obtain modified epoxy resin;
[...
Example Embodiment
[0031] Example 3 of the present invention.
[0032] A packaging box adhesive, based on weight, composed of 50 parts of epoxy resin, 50 parts of maleic acid resin, 50 parts of 2-imidazolidinone, 50 parts of ethylene-acetic acid copolymer, 20 parts of butyl rubber, and epoxy 40 parts of soybean oil, 30 parts of castor oil hydrogenation mixture, 20 parts of cooked tung oil, 12 parts of tripropargyl trimellitate, 12 parts of water-soluble polyvinyl alcohol wax, 12 parts of isopropanol, 12 parts of silicone resin It consists of 1.2 parts of antioxidant, 3 parts of tackifier and 20 parts of deionized water.
[0033] The preparation method of the packaging box adhesive includes the following steps:
[0034] (1) Add epoxy resin, maleic acid resin, 2-imidazolidinone, tripropargyl trimellitate, and silicone resin into the reactor, stir and react at 120-150℃ for 0.9-1.3h, and cool to 80-90℃, add meta-ethylene-acetic acid copolymer dropwise, continue to stir and react for 0.5-0.6h to obtain mo...
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