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Preparation method of adhesive with high weather resistance and high adhesion strength

A technology of adhesives and high weather resistance, applied in the direction of polymer adhesive additives, non-polymer adhesive additives, adhesive types, etc., to achieve the effect of easy control of reaction conditions, low cost, and mild reaction conditions

Inactive Publication Date: 2017-12-22
FOSHAN CITY YONGHENGDA NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the present invention provides a method for preparing an adhesive with high weather resistance and high bonding strength. The adhesive prepared by this method solves the problem of the existing adhesive weather resistance, and can also make the adhesive The glue between the agent and the product is more reliable, and the method is unique, simple, easy to control the reaction conditions, mild reaction conditions, and low cost

Method used

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  • Preparation method of adhesive with high weather resistance and high adhesion strength
  • Preparation method of adhesive with high weather resistance and high adhesion strength
  • Preparation method of adhesive with high weather resistance and high adhesion strength

Examples

Experimental program
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Effect test

Embodiment 1

[0030] Adhesives with high weather resistance and high bonding strength, the raw material components in parts by mass include:

[0031]

[0032] Its production method is:

[0033] Accurately weigh the components of styrene, methyl acrylate, acrylic acid, propyl acetate, ammonium persulfate and water-based tackifying resin;

[0034] Add styrene and propyl acetate into the reaction kettle, stir at a speed of 120r / min, stir for 5min, until the two are evenly mixed, and a mixture a is obtained;

[0035] Add acrylic acid and methyl acrylate to mixture a, stir at a stirring speed of 280r / min, and stir for 16 minutes until the acrylic acid and methyl acrylate are completely dissolved to obtain mixture b;

[0036] Heat the reactor, control the stirring speed to 150r / min, raise the temperature to 84°C, add ammonium persulfate, control the reaction temperature to 92°C, and react for 8 hours under reflux environment to obtain the mixture c;

[0037] Add water-based tackifying resin ...

Embodiment 2

[0039] Adhesives with high weather resistance and high bonding strength, the raw material components in parts by mass include:

[0040]

[0041] Its production method is:

[0042] Accurately weigh the components of styrene, ethyl acrylate, 2-methyl methacrylate, acrylic acid, propyl acetate, cumene hydroperoxide and water-based viscosity-increasing emulsion;

[0043] Add styrene and propyl acetate into the reaction kettle, stir at a stirring speed of 60r / min, and stir for 9min until the two are evenly mixed to obtain a mixture a;

[0044] Add acrylic acid, ethyl acrylate, and 2-methyl methacrylate to mixture a, stir at a stirring speed of 200r / min, and stir for 22 minutes until the acrylic acid, ethyl acrylate, and 2-methyl methacrylate are completely dissolved to obtain mixture b;

[0045] Heat the reactor, control the stirring speed to 120r / min, raise the temperature to 80°C, add cumene hydroperoxide, control the reaction temperature to 96°C, and react for 6h under reflu...

Embodiment 3

[0048] Adhesives with high weather resistance and high bonding strength, the raw material components in parts by mass include:

[0049]

[0050] Its production method is:

[0051] Accurately weigh the components of styrene, butyl acrylate, acrylic acid, propyl acetate, cyclohexanone peroxide and modified rosin resin;

[0052] Add styrene and propyl acetate into the reaction kettle, stir at a stirring speed of 80r / min, stir for 8min, until the two are evenly mixed, and a mixture a is obtained;

[0053] Add acrylic acid and butyl acrylate to mixture a, stir at a stirring speed of 210r / min, and stir for 18 minutes until the acrylic acid and butyl acrylate are completely dissolved to obtain mixture b;

[0054] Heat the reactor, control the stirring speed to 140r / min, raise the temperature to 82°C, add cyclohexanone peroxide, control the reaction temperature to 93°C, and react for 7h under reflux environment to obtain the mixture c;

[0055] Add the modified rosin resin to the...

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Abstract

The invention discloses a preparation method of an adhesive with high weather resistance and high adhesion strength. The method comprises steps as follows: styrene and propyl acetate are added to a reaction kettle and stirred for 5-9 min at the stirring speed of 60-120 r / min until styrene and propyl acetate are mixed uniformly, and a mixture a is obtained; acrylic acid and acrylate are added to the mixture a, the components are stirred for 16-22 min at the stirring speed of 200-280 r / min until acrylic acid and acrylate are dissolved completely, and a mixture b is obtained; the reaction kettle is heated, the stirring speed is controlled to be 120-150 r / min, the temperature is increased to 80-84 DEG C, an initiating agent is added, the reaction is performed for 6-8 h at the reaction temperature of 92-96 DEG C in a backflow environment, and a mixture c is obtained; a tackifier is added to the mixture c after the reaction time is up, the mixture is stirred for 1-3 min at the stirring speed of 350-400 r / min, a product is discharged while still hot and is cooled naturally, and the adhesive is obtained. According to the prepared adhesive, the problem about the weather resistance of an existing adhesive is solved, besides, the process of the method is unique and simple, reaction conditions are easy to control and mild, and the cost is low.

Description

technical field [0001] The invention relates to the technical field of adhesives, in particular to a method for preparing an adhesive with high weather resistance and high bonding strength. Background technique [0002] With the rapid development of industry, the building materials industry is constantly developing and progressing. Of course, adhesives as auxiliary materials are also expanding their application fields. Adhesives replace traditional mortise and tenon joints, with hinged joints. [0003] However, because of the continuous expansion of the application field of adhesives, it has been involved in outdoor and indoor environments. We know that the outdoor environment is generally relatively harsh. It is necessary for the adhesive to be exposed to sunlight, cold and heat, wind and rain for a long time, and to maintain sufficient adhesion to ensure that there is no gap between the bonded products. Shedding occurs. [0004] However, most of the existing adhesives w...

Claims

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Application Information

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IPC IPC(8): C09J133/12C09J133/08C09J11/06C09J11/08C08F220/14C08F220/18C08F220/06C08F212/08
CPCC09J11/06C09J11/08C09J133/08C09J133/12C08F220/14C08F220/18C08F220/1804C08L101/00C08K5/101C08L93/04C08F220/06C08F212/08C08F220/1802
Inventor 陈见玲
Owner FOSHAN CITY YONGHENGDA NEW MATERIAL TECH CO LTD