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Preparation method of flame-retardant and waterproof adhesive for corrugated carton

A corrugated box and waterproof adhesive technology, applied in the direction of adhesives, adhesive additives, adhesive types, etc., can solve the problems of shortening the service life and protection performance of corrugated boxes, reducing the safety performance of corrugated boxes, and easy moisture absorption of adhesives, etc. , achieve the effect of saving dosage, strong viscosity and good waterproof performance

Active Publication Date: 2019-12-10
马鞍山市康辉纸箱纸品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in actual production and life, because corrugated boxes and the adhesives used in them are flammable components, the safety performance of corrugated boxes is greatly reduced, and the accumulation of a large number of cartons has become a major fire hazard. Box adhesives are easy to absorb moisture, and the adhesives are moldy, which greatly shortens the service life and protection performance of corrugated boxes. Those skilled in the art urgently need to develop a new method for the preparation of corrugated box flame-retardant and waterproof adhesives. Meet higher market demands and application requirements

Method used

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  • Preparation method of flame-retardant and waterproof adhesive for corrugated carton

Examples

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Effect test

Embodiment 1

[0019] A method for preparing a flame-retardant waterproof adhesive for corrugated cartons, specifically comprising the following steps:

[0020] (1) 63 parts of hexamethylcyclotrisiloxane in a homogeneous stirrer, at a stirring speed of 1000r / min, slowly drop 55 parts of an aqueous solution of sodium lignosulfonate with a mass fraction of 10%, and increase the stirring speed to 5000r / min, continue to stir for 15min, add 101 parts of water to dilute, and then use a homogenizer to pass it twice under the pressure of 1000Pa to obtain an emulsion with an average particle size of 250mm, and place it at room temperature for 15h for polymerization. Neutralize 10% sodium carbonate aqueous solution to a pH value of 8 to obtain a white emulsion A, then add 4 parts of dodecylbenzenesulfonic acid and 670 parts of water to another reaction kettle, and heat to 55°C under stirring. Slowly add a mixture of 110 parts of hexamethyldisiloxane and 150 parts of polymethylsilicate within 2 hours. ...

Embodiment 2

[0028]A method for preparing a flame-retardant waterproof adhesive for corrugated cartons, specifically comprising the following steps:

[0029] (1) 50 parts of hexamethylcyclotrisiloxane in a homogeneous stirrer, at a stirring speed of 1000r / min, slowly drop 55 parts of an aqueous solution of sodium lignosulfonate with a mass fraction of 10%, and increase the stirring speed to 5000r / min, continue to stir for 15min, add 101 parts of water to dilute, and then use a homogenizer to pass twice under the pressure of 1200Pa to obtain an emulsion with an average particle size of 250mm, which is placed at room temperature for 15h for polymerization. Neutralize 10% sodium carbonate aqueous solution to pH 8 to obtain white emulsion A, then add 5 parts of dodecylbenzenesulfonic acid and 670 parts of water into another reaction kettle, and heat to 55°C under stirring. Slowly add a mixture of 110 parts of hexamethyldisiloxane and 150 parts of polymethylsilicate within 2 hours. After the dr...

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Abstract

The invention belongs to the technical field of adhesives, and particularly relates to a preparation method of a flame-retardant and waterproof adhesive for a corrugated carton. The preparation methodspecifically comprises the following steps: (1) an organic silicon modified emulsion is prepared; (2) a white prepolymer emulsion is prepared; (3) an acrylic modified flame-retardant organic siliconemulsion is prepared; and (4) 110-120 parts of the acrylic modified flame-retardant organic silicon emulsion is put into a high-speed mixer, 1.5-2.3 parts of carnallite powder, 24-27 parts of polyhalite powder and 5-7 parts of a flame retardant are added, even stirring and mixing are conducted, and then the flame-retardant and waterproof adhesive is obtained. The prepared adhesive is transparent,high in adhesion and good in stability, water-based adhesive bonding, quick drying, and acid and alkali resistance are achieved, no organic solvent is contained, the poisonless, tasteless, non-combustible, environment-friendly and pollution-free effects are achieved, and pollution-free production can be achieved. The flame-retardant and waterproof adhesive is suitable for the carton not coated andpolished, and the corrugated carton is protected very well.

Description

technical field [0001] The invention belongs to the technical field of adhesives, in particular to a method for preparing a flame-retardant and waterproof adhesive for corrugated cartons. Background technique [0002] Advantages of corrugated boxes Corrugated boxes have been widely used as transport packaging containers. This is because compared with traditional transport packaging containers, wooden boxes and metal boxes, corrugated boxes have a series of advantages, including light weight, low cost and good structural performance, which can meet the needs of long-distance transportation, and have vibration absorption, Buffering and other protective functions can effectively protect products from collisions and impacts. Compared with wooden boxes, corrugated boxes are easy to change specifications and sizes, and can quickly adapt to the packaging of various items. A large number of nails are used in the production of wooden boxes. Compared with iron wire and metal strappin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J151/08C09J11/04C09J11/06
CPCC09J11/04C09J11/06C09J151/085C08K3/16C08K3/30C08K3/2279C08K5/34928C08K5/098
Inventor 李昌斌
Owner 马鞍山市康辉纸箱纸品有限公司
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