Water-based tackifier resin emulsion and preparation method thereof

A tackifying resin emulsion, water-based technology, used in adhesives, rosin adhesives, etc., can solve problems such as harm to human health, poor adhesion and dispersibility, and achieve the effect of no harm to the human body and good adhesion

Active Publication Date: 2011-04-13
普洱科茂林化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Tackifying resin is usually one of the main components of adhesives, and its performance is directly related to the quality of the adhesive. Tackifying resins can be divided into two categories: solvent-based tackifying resins and water-based tackifying resins. Although solvent-based tackifying resins Relatively good properties such as durability and durability, bu

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0024] Example 1

[0025] 1) Add 35.5 parts by mass of rosin glyceride, 42 parts by mass of rosin diethylene glycol ester, and 5 parts by mass of liquid terpene resin into the pre-emulsification kettle, blow in nitrogen, heat to 130-180°C to melt the resin, and then cool to 120-150°C, adjust the pH to 6-8 while stirring, then add 1 part by mass of nonylphenol polyoxyethylene ether amine sulfate and 1 part by mass of alkylphenol polyoxyethylene ether, and stir for 1 hour to form an emulsified resin liquid;

[0026] 2) Add 30 parts by mass of water and 15 parts by mass of pure acrylate polymer emulsion to the emulsification kettle, and heat to 85-100°C to form an aqueous solution of dispersant;

[0027] 3) Add the emulsion in 1) to the emulsification kettle in 2) while stirring, and turn on the emulsifier in the emulsification kettle to fully homogenize and disperse;

[0028] 4) Cool to below 40°C, adjust the pH to 6-8, then add 1.5 parts by mass of bactericide isoxazolinone, and then a...

Example Embodiment

[0030] Example 2

[0031] 1) Add 43.9 parts by mass of rosin pentaerythritol ester, 40 parts by mass of rosin methyl ester, and 10 parts by mass of liquid terpene resin into the pre-emulsification kettle, and then pass in nitrogen to replace the oxygen in the kettle, and heat to 130-180°C to melt the resin , Then lower the temperature to 120-150°C, adjust the pH to 6-8 while stirring, then add 3.1 parts by mass of rosin-based emulsifier, and keep stirring for 1.5 hours to form an emulsified resin liquid;

[0032] 2) Add 30 parts by mass of water and 8 parts by mass of pure acrylate polymer emulsion to the emulsification kettle, and heat to 85-100°C to form an aqueous solution of dispersant;

[0033] 3) Add the emulsion in 1) to the emulsification kettle in 2) while stirring, and turn on the emulsifier in the emulsification kettle to fully homogenize and disperse;

[0034] 4) Cool to below 40°C, adjust the pH to 6-8, add 0.18 parts by mass of the bactericide ninhydrin, and then add 19 ...

Example Embodiment

[0036] Example 3

[0037] 1) Add 19.5 parts by mass of rosin phenolic resin, 15 parts by mass of rosin triethylene glycol ester, and 35 parts by mass of liquid terpene resin into the pre-emulsification kettle, pass nitrogen into it, heat to 130-180°C to melt the resin, and then cool to 120-150℃, adjust the pH to 6-8 while stirring, then add 1.5 parts by mass of alkylphenol polyoxyethylene ether succinate sodium salt and 1 part by mass of nonylphenol polyoxyethylene ether, heat preservation and stir for 1.5 hours to form Emulsified resin liquid;

[0038] 2) Add 27 parts by mass of water and 5 parts by mass of vinyl acetate acrylate copolymer emulsion to the emulsification kettle, and heat to 85-100°C to form an aqueous solution of the dispersant;

[0039] 3) Add the emulsion in 1) to the emulsification kettle in 2) while stirring, and turn on the emulsifier in the emulsification kettle to fully homogenize and disperse;

[0040] 4) Cool to below 40°C, adjust the pH to 6-8, then add 0.1...

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Abstract

The invention discloses water-based tackifier resin emulsion, which comprises the following raw materials in part by mass: 0 to 50 parts of modified abietic resin, 0 to 50 parts of liquid abietic resin, 0 to 50 parts of liquid terpene resin, 30 to 42 parts of water, 2 to 25 parts of dispersing agent, and 2 to 10 parts of surfactant. The modification of the abietic resin is realized by steps of disproportionation or hydrogenization of resin acid in the rosin and esterification or double bond addition by using polyatomic alcohol; and the mass parts of the modified abietic resin, the liquid abietic resin and the liquid terpene resin are not 0 at the same time. The prepared water-based tackifier resin emulsion has better adherence and dispersibility, is environment-friendly and has no harm toa human body.

Description

technical field [0001] The invention relates to a water-based tackifying resin emulsion and a preparation method thereof. Background technique [0002] With the development of science and technology, the application range of adhesives is becoming wider and wider: adhesives are needed in the bonding of cartons and cartons; the printed matter is coated with a film, and the film can be used without changing the original tone of the printed matter. It increases the luster and makes it more eye-catching, and is moisture-proof, anti-fouling, wear-resistant, etc., thus effectively protecting the inner layer, while the adhesive performance of the coating is directly related to the stability of the product; in the manufacturing process of automobiles, Due to the extensive use of composite materials and metal materials, the bonding strength between components determines the safety of the car itself. Therefore, the application of high-performance adhesives is indispensable. In addition...

Claims

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Application Information

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IPC IPC(8): C08L93/04C08L45/00C08J3/03C09J193/04C09J145/00
Inventor 沈亮升徐社阳张振戈曾伟擘范德明
Owner 普洱科茂林化有限公司
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