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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

Active Publication Date: 2012-10-03
XINXIANG HUAYANG ADHESIVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the price and cost of carton packaging hot melt adhesives sold in the market are relatively high, and they are not effective in high temperature environments, have poor thermal stability and long curing time, and cannot better meet the packaging needs of high-speed automatic assembly lines.

Method used

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Effect test

preparation example Construction

[0019] Preparation method step of the present invention is as follows:

[0020] 1. Heat the temperature in the container to above 60°C through the oil temperature heating device, and put the Sasol synthetic wax into the container;

[0021] 2. Make the oil temperature heating device continue heating to melt the Sasol synthetic wax in the container in step 1;

[0022] 3. Stir evenly the Sasol synthetic wax melted in step 2, put in the antioxidant 1010, and melt the antioxidant 1010;

[0023] 4. Heat the molten material melted in step 3, and keep stirring, so that the temperature in the container is 140°C, and slowly put in the ethylene-vinyl acetate copolymer to completely melt the ethylene-vinyl acetate copolymer;

[0024] 5. Heat the molten material melted in step 4, and keep stirring, so that the temperature in the container is 150°C, slowly put in the tackifying resin, so that the tackifying resin is completely melted;

[0025] 6. Heat the molten material melted in step 5,...

Embodiment 1

[0032] When making 91.3 kilograms of the present invention, 25 kilograms of ethylene-vinyl acetate copolymers, 18 kilograms of Sasol synthetic waxes, 45 kilograms of tackifying resins, 3 kilograms of plasticizers, and 10100.3 kilograms of antioxidants; 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 C5 petroleum resin; the The plasticizer used is low molecular weight polyisobutylene with a molecular weight of 2400.

[0033] 1. Heat the temperature in the container to 60°C through the oil temperature heating device, and put Sasol synthetic wax into the container;

[0034] 2. Make the oil temperature heating device continue heating to melt the Sasol synthetic wax in the container in step 1;

[0035] 3. Stir evenly the Sasol synthetic wax melted in step 2, put in the antioxidant 1010, and melt the antioxidant 1010;

[0036] 4. Heat the molten m...

Embodiment 2

[0045] When making 116.5 kilograms of the present invention, 33 kilograms of ethylene-vinyl acetate copolymers, 22 kilograms of Sasol synthetic waxes, 55 kilograms of tackifying resins, 5 kilograms of plasticizers, and 10101.5 kilograms of antioxidants; 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 The plasticizer is 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 through the oil temperature heating device, and put Sasol synthetic wax into the container;

[0048] 2. Make the oil temperature heating device continue heating to melt the Sasol synthetic wax in the container in step 1;

[0049] 3. Stir evenly the Sasol synthetic wax melted in step 2, put in the antioxidant 1010, and melt the antioxidant 1...

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Abstract

The invention belongs to hot melt adhesive, and in particular to hot melt adhesive with the characteristics of strong adhesive force, high drying speed, small consumption, good heat stability, aging resistance, acid and alkali resistance, no pollution and adaptability to the production and packaging requirement of a high-speed automatic production line and a preparation method of the hot melt adhesive. The hot melt adhesive comprises following raw materials in part by weight: 25 to 33 parts of ethylene-vinyl acetate copolymer, 18 to 22 parts of sasol synthesized wax, 45 to 55 parts of tackifying resin, 3 to 5 parts of plasticizer and 0.3 to 1.5 parts of anti-aging agent 1010. The hot melt adhesive has the advantages of strong adhesion force, high drying speed, small consumption, good heat stability, aging resistance, acid and alkali resistance, no pollution and adaptability to the production and packaging requirement of a high-speed automatic production line.

Description

technical field [0001] The invention belongs to hot-melt adhesives, in particular to a hot-melt adhesive with strong adhesion, fast drying speed, small consumption, good thermal stability, anti-aging, anti-acid and alkali, pollution-free and adaptable to the production and packaging requirements of high-speed automatic assembly lines. Glue and its preparation method. Background technique [0002] Hot-melt adhesives have broad prospects in domestic and foreign markets, and the demand for hot-melt adhesives in various industries is increasing day by day, and they are widely used in refrigerators, cables, tobacco, food, dairy and other industries. At present, the price and cost of carton packaging hot melt adhesives sold in the market are relatively high, and they are not effective in high temperature environments, have poor thermal stability and long curing time, and cannot better meet the packaging needs of high-speed automatic assembly lines. Contents of the invention [...

Claims

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Application Information

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IPC IPC(8): C09J157/02C09J193/04C09J11/08C09J11/06
Inventor 毕同召
Owner XINXIANG HUAYANG ADHESIVE
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