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Novel printing and dyeing adhesive synthesis method

A synthesis method and adhesive technology, applied in the field of printing and dyeing adhesives, can solve the problems of difficult adhesive durability, poor stability, poor uniformity of adhesives, etc., and achieve simple post-processing, strong stability and uniformity. good effect

Inactive Publication Date: 2020-05-01
青岛双利材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0017] Adhesives synthesized by traditional synthesis methods have not achieved very good performance in terms of dispersion, uniformity, and stability. In addition, the durability of adhesives is relatively poor.
The durability of the adhesive is a very difficult thing, mainly due to the poor uniformity and poor stability of the adhesive, which will cause water vapor to evaporate or even "whiten" after the adhesive is used for a period of time or "frost" phenomenon

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A novel printing and dyeing adhesive synthesis method specifically comprises the following steps:

[0036] (1) Add 20.56g of the reaction base material K-1, 1.4g of AEO-91.4g, and 130g of water into a three-neck round bottom flask in sequence and raise the temperature to 83°C to dissolve the base material.

[0037] (2) (2) Add the initiator ① (APS0.1g, water 1.4g), and then use the constant pressure dropping funnel to drop the pre-emulsified material, and the dropping time is controlled at 1h.

[0038] (3) After adding the pre-emulsion material dropwise for 15 minutes, add the initiator ② (APS 0.14g, water 14g) dropwise with a constant pressure dropping funnel, and the dripping should not be completed earlier than the pre-emulsion solution.

[0039] (4) After dripping, keep the temperature at 83°C for 1 hour, finally cool down to 45°C, and filter out the material.

[0040] Its raw material formula is as follows:

[0041] Base material: K-120.56g, AEO-91.4g, water 130g...

Embodiment 2

[0046] A novel printing and dyeing adhesive synthesis method specifically comprises the following steps:

[0047] (1) Add the reaction bottom material to a three-neck round bottom flask in turn and raise the temperature to 83° C. to dissolve the bottom material.

[0048] (2) Add the initiator ①, and then drop the pre-emulsified material with a constant pressure dropping funnel, and the dropping time is controlled at 1h.

[0049] (3) After the pre-emulsion is added dropwise for 15 minutes, use a constant pressure dropping funnel to add the initiator ② dropwise, and the dripping of the pre-emulsion should not be completed earlier.

[0050] (4) After dripping, keep it warm at 83°C for 1 hour, and finally cool down to 45°C, and filter out the material.

[0051] Its raw material formula is as follows:

[0052] Base material: K-122.8g, AEO-97g, water 650g.

[0053] Pre-emulsion material: K-125.5g, AEO-97g, water 135g, butyl acrylate 390g, tert-butyl acrylate 70g, methyl methyl es...

Embodiment 3

[0057] A novel printing and dyeing adhesive synthesis method specifically comprises the following steps:

[0058] (1) Add the reaction bottom material to a three-neck round bottom flask in turn and raise the temperature to 83° C. to dissolve the bottom material.

[0059] (2) Add the initiator ①, and then drop the pre-emulsified material with a constant pressure dropping funnel, and the dropping time is controlled at 1h.

[0060] (3) After the pre-emulsion is added dropwise for 15 minutes, use a constant pressure dropping funnel to add the initiator ② dropwise, and the dripping of the pre-emulsion should not be completed earlier.

[0061] (4) After dripping, keep it warm at 83°C for 1 hour, and finally cool down to 45°C, and filter out the material.

[0062] Its raw material formula is as follows:

[0063] Base material: K-125.6g, AEO-914g, water 1300g.

[0064] Pre-emulsion material: K-1211g, AEO-914g, water 270g, butyl acrylate 780g, tert-butyl acrylate 140g, methyl methyl...

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Abstract

The invention relates to a novel printing and dyeing adhesive synthesis method. The method specifically comprises: sequentially adding reaction bottom materials to a three-neck round-bottom flask, andperforming heating to a temperature of 83 DEG C to dissolve the bottom materials; adding an initiator, dropwise adding a pre-emulsified material by using a constant-pressure dropping funnel, and controlling the dropwise adding time to be 1h; after the pre-emulsified material is dropwise added for 15 min, dropwise adding an initiator through the constant-pressure dropping funnel, wherein droppingcannot be completed earlier than that of the pre-emulsified material; and after dropping, keeping the temperature at 83 DEG C for 1 hour, finally performing cooling to 45 DEG C, filtering and discharging. The bottom materials comprise: K-12, AEO-9 and water. The pre-emulsified material is prepared from K-12, AEO-9, water, butyl acrylate, tert-butyl acrylate, methyl ester, acrylonitrile, glyceryl methacrylate, acrylic acid and isobutyl acrylate. The initiator comprises APS and water. The novel printing and dyeing adhesive synthesis method have the advantages of the simple process flow and relatively mild reaction conditions. The synthesized adhesive is good in uniformity and strong in stability. The synthesized adhesive is more environment-friendly, efficient and simple in post-treatment.

Description

technical field [0001] The invention belongs to the field of printing and dyeing adhesives, and in particular relates to a synthesis method of a novel printing and dyeing adhesive. Background technique [0002] Adhesive is a common fine chemical product, which is widely used in various industries, especially printing and dyeing industry and packaging industry. There are many types of adhesives, which can be classified into natural adhesives and synthetic adhesives according to the source of materials. According to its use characteristics, it can be divided into water-soluble adhesives, hot-melt adhesives, solvent-based adhesives, emulsion adhesives and solvent-free liquid adhesives. The theory of adhesive bonding is complex, involving both physical and chemical changes. Specific theoretical research can be divided into the following categories: adsorption theory, diffusion theory, mechanical theory, polarity theory and chemical bond theory. At present, the more generally ...

Claims

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Application Information

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IPC IPC(8): C08F220/18C08F220/14C08F220/44C08F220/32C08F220/06D06P1/52
CPCC08F220/18D06P1/5257
Inventor 翁清亮周兴旺曹晓玉肖亚星
Owner 青岛双利材料科技有限公司
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