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Multifunctional surfactant for pressure-sensitive adhesive and preparation method thereof

A surfactant, multi-functional technology, applied in the preparation of sulfonates, chemical instruments and methods, transportation and packaging, etc., can solve problems such as pressure-sensitive adhesive emulsion problems, and meet the requirements of curbing product yellowing and equipment production conditions. Low, curb the effect of hydrolysis

Active Publication Date: 2016-12-14
山东转化科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These problems have caused great troubles to the production of pressure-sensitive adhesive emulsions

Method used

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  • Multifunctional surfactant for pressure-sensitive adhesive and preparation method thereof
  • Multifunctional surfactant for pressure-sensitive adhesive and preparation method thereof
  • Multifunctional surfactant for pressure-sensitive adhesive and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation Embodiment 1

[0031] The preparation of multifunctional surfactant for pressure-sensitive adhesive shown in formula II

[0032]

[0033] A preparation method for a multifunctional surfactant for pressure-sensitive adhesives shown in formula II, comprising the following steps: 1) monoesterification, first with raw materials 1.1mol isooctyl alcohol ether (2PO), 1mol maleic anhydride and catalyst Put it into an experimental device equipped with a stirrer, thermometer, water separator and condenser tube, inert the experimental device for 3 times, and finally pass in nitrogen protection, open the condenser, and react the raw materials at 40-90°C under normal pressure conditions 2 to 8 hours, the condenser is cooled with circulating water, and when the measured acid value is below 120, enter the next step; 2) double esterification reaction, continue to add 1.15mol decanol ether (5EO-10PO ), while raising the temperature to 140-180°C, maintaining nitrogen protection, until the acid value is les...

preparation Embodiment 1-1

[0035] The preparation of multifunctional surfactant for pressure-sensitive adhesive shown in formula II

[0036]

[0037] A preparation method for a multifunctional surfactant for pressure-sensitive adhesives shown in formula II, comprising the following steps: 1) monoesterification reaction, first raw material 0.82mol isooctyl alcohol ether (2PO), 1mol maleic anhydride and catalyst Put it into an experimental device equipped with a stirrer, thermometer, water separator and condenser tube, inert the experimental device for 3 times, and finally pass in nitrogen protection, open the condenser, and react the raw materials at 40-90°C under normal pressure conditions 2 to 8 hours, the condenser is cooled with circulating water, and when the measured acid value is below 120, enter the next step; 2) double esterification reaction, continue to add 1.15mol decanol ether (5EO-10PO ), while raising the temperature to 140-180°C, maintaining nitrogen protection, until the acid value is...

preparation Embodiment 1-2

[0039] The preparation of multifunctional surfactant for pressure-sensitive adhesive shown in formula II

[0040]

[0041] A preparation method for a multifunctional surfactant for pressure-sensitive adhesives shown in formula II, comprising the following steps: 1) monoesterification, first with raw material 1.30mol isooctyl alcohol ether (2PO), 1mol maleic anhydride and catalyst Put it into an experimental device equipped with a stirrer, thermometer, water separator and condenser tube, inert the experimental device for 3 times, and finally pass in nitrogen protection, open the condenser, and react the raw materials at 40-90°C under normal pressure conditions 2 to 8 hours, the condenser is cooled with circulating water, and when the measured acid value is below 120, enter the next step; 2) double esterification reaction, continue to add 1.15mol decanol ether (5EO-10PO ), while raising the temperature to 140-180°C, maintaining nitrogen protection, until the acid value is les...

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Abstract

The present invention relates to a multifunctional surfactant for a pressure-sensitive adhesive, and the multifunctional surfactant has a chemical structure shown as below, wherein R1 represents C5-C10 saturated branched chain alkyl, R2 represents C8-C18 saturated straight chain alkyl, and R1 and R2 are not the same; EO:CH2CH2O PO: a=0-10, b=2-10, C=0-10, d = 2-25, and a, b, c and d are integers; and M is one or more selected from the group consisting of Li<+>, Na<+>, K<+> and NH<+>. The invention also relates to a method for preparing the multifunctional surfactant for pressure-sensitive adhesive. The method comprises the following steps: 1) conducting mono esterification on alcohol ether and maleic anhydride; 2) subjecting the product obtained in the step 1) and alcohol ether to a double esterification reaction in the presence of a catalyst; and 3) sulfonating the product obtained in the step 1) to obtain a final product. The invention uses branched chain alkyl in molecular design to provide penetration wettability; the straight chain alkyl provides emulsifying ability; EO and PO blocks provide defoaming properties. The synthetic method of the invention has the advantages of simpleness, convenient operation, little environmental harm, and the performance of wetting, emulsification and defoaming, and has wide application prospect in the field of pressure sensitive adhesive emulsion.

Description

technical field [0001] The invention relates to a multifunctional surfactant for pressure-sensitive adhesives and a preparation method thereof, belonging to the field of gemini surfactants. Background technique [0002] Gemini surfactant molecules contain two or more hydrophilic groups and hydrophobic groups, which are chemically bonded by an intermediate linking group (Spacer) to form a new type of surfactant. Compared with traditional surfactants, Gemini surfactants usually have the following characteristics: [0003] Gemini surfactants are more likely to aggregate into micelles, that is, have a rather low CMC value, and are more suitable for use as emulsifiers and dispersants. This is mainly due to the fact that the two ionic head groups connected by chemical bonds in the molecule are tightly connected, which makes the hydrophobic groups have a strong interaction and inhibits the separation caused by the electrostatic repulsion between the hydrophilic ionic head groups. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F17/44C07C303/32C07C309/22C08G65/332C09K23/44
CPCC07C303/32C08G65/3322C09K23/00
Inventor 张楠王杨张城
Owner 山东转化科技有限公司
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