Hot melt adhesive and preparation method thereof
A technology of hot melt adhesive and molten material, applied in the direction of adhesive type, non-polymer adhesive additive, mineral oil hydrocarbon copolymer adhesive, etc., can solve the problem of poor use effect, long curing time and thermal stability. problems such as poor properties, to achieve the effect of fast drying speed, good thermal stability and strong adhesion
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[0019] The steps of the preparation method of the present invention are as follows:
[0020] 1. Heat the temperature in the container to above 60℃ through the oil temperature heating device, and put the Sasol synthetic wax into the container;
[0021] 2. Continue to heat the oil temperature heating device to melt the sasol synthetic wax in the container in step one;
[0022] 3. Stir the Sasol synthetic wax melted in step 2 evenly, put in antioxidant 1010 to melt antioxidant 1010;
[0023] 4. Heat the melted material melted in step 3, continue to stir, make the temperature in the container 140 ℃, slowly put in the ethylene-vinyl acetate copolymer, so that the ethylene-vinyl acetate copolymer is completely melted;
[0024] 5. Heat the melted material in step 4, continue to stir, make the temperature in the container 150 ℃, slowly put in the tackifying resin, so that the tackifying resin is completely melted;
[0025] 6. Heat the melted material melted in step 5, keep stirring, and put the ...
Example Embodiment
[0031] Example 1
[0032] When making 91.3 kilograms of the present invention, 25 kilograms of ethylene-vinyl acetate copolymer, 18 kilograms of Sasol synthetic wax, 45 kilograms of tackifying resin, 3 kilograms of plasticizer, and 10100.3 kilograms of antioxidant; said ethylene-vinyl acetate The vinyl acetate content in the copolymer is 28%, and the melt index is 150g / 10min; the softening point of the Sasol synthetic wax is between 110°C and 120°C; the tackifying resin is carbon five petroleum resin; The plasticizer is a low molecular weight polyisobutylene with a molecular weight of 2400.
[0033] 1. Heat the temperature in the container to 60℃ through the oil temperature heating device, and put the Sasol synthetic wax into the container;
[0034] 2. Continue to heat the oil temperature heating device to melt the sasol synthetic wax in the container in step one;
[0035] 3. Stir the Sasol synthetic wax melted in step 2 evenly, put in antioxidant 1010 to melt antioxidant 1010;
[003...
Example Embodiment
[0044] Example 2
[0045] When making 116.5 kilograms of the present invention, 33 kilograms of ethylene-vinyl acetate copolymer, 22 kilograms of Sasol synthetic wax, 55 kilograms of tackifying resin, 5 kilograms of plasticizer, and 10101.5 kilograms of antioxidant; said ethylene-vinyl acetate The vinyl acetate content in the copolymer is 19% and the melt index is 400g / 10min; the softening point of the Sasol synthetic wax is between 110°C and 120°C; the tackifying resin is rosin pentaerythritol ester; The plasticizer is a low molecular weight polyisobutylene with a molecular weight of 2600.
[0046] Proceed as follows:
[0047] 1. Heat the temperature in the container to 70°C by the oil temperature heating device, and put the Sasol synthetic wax into the container;
[0048] 2. Continue to heat the oil temperature heating device to melt the sasol synthetic wax in the container in step one;
[0049] 3. Stir the Sasol synthetic wax melted in step 2 evenly, put in antioxidant 1010 to melt...
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