Special polymerization reinforcing agent for starch paste glue, glue containing same, and preparation method and application of special polymerization reinforcing agent

Abstract

The invention discloses a special polymerization enhancer for starch paste glue, glue containing the polymerization enhancer, a preparation method and application, and belongs to the technical field of glue materials, the polymerization enhancer comprises the following components by weight: 3-5 parts of kaolin, 15-20 parts of urea resin powder, 8-10 parts of yellow dextrin powder, 22-25 parts of talcum powder, 24-25 parts of phenolic resin powder, and 1-3 parts of an antifoaming agent. 1-2 parts of a drying agent, 1-2 parts of a preservative, 4-5 parts of gypsum powder and 2-3 parts of light calcium carbonate powder; the starch paste glue containing the starch paste glue comprises the following components in parts by weight: 3-4 parts of starch, 0.5-0.7 part of caustic soda flakes, 20-22 parts of shore powder, 0.5-0.7 part of a special polymerization enhancer for the starch paste glue, 0.2-0.3 part of borax and 70-75 parts of water, when the prepared glue is used for bonding a three-layer or five-layer corrugated board production line, the starting speed of the paperboard production line can be increased, and the hardness, the adhesion degree, the flatness and the seepage force of a carton paperboard can also be improved.

Description

Technical Field

[0001] The invention relates to the technical field of glue materials, and more particularly to a special polymerization enhancer for starch paste glue, glue containing the same, and a preparation method and application thereof. Background Art

[0002] Glue is an intermediate connector between two materials. It mostly appears in water solvent and is a fine chemical product. There are many types of glue, which are mainly classified by adhesive, physical form, hardening method and adherend material, and are therefore suitable for bonding different materials.

[0003] At present, the paper packaging products used for household appliances, precision electronic and mechanical products, food and medicine are mainly corrugated boxes. Due to its advantages of low cost, recyclability and pollution-free, it is widely used in the outer packaging of industrial products.

[0004] If no reinforcing agent is added during the startup of the cardboard in the prior art, there are problems such as slow startup speed, the carton cardboard is not hard and easy to regain moisture, and the bonding strength of three-layer and five-layer corrugated cardboard is poor.

[0005] Therefore, providing a green and environmentally friendly starch paste glue special polymerization enhancer that can enhance the bonding strength, penetration and flatness of three-layer and five-layer corrugated board, glue containing the starch paste glue and a preparation method are problems that technicians in this field need to solve urgently. Summary of the invention

[0006] In view of this, the present invention provides a special polymerization enhancer for starch paste glue, glue containing the same, and a preparation method and application. By adding the polymerization enhancer (thickener), each package of 1.5 pounds of starch can increase the strong low temperature, fast startup speed, good hardness of carton board, firm bonding, good flatness, and enhanced penetration.

[0007] In order to achieve the above object, the present invention adopts the following technical solution:

[0008] A special polymerization enhancer for starch paste glue, comprising the following components by weight:

[0009] 3-5 parts of kaolin, 15-20 parts of urea-formaldehyde resin powder, 8-10 parts of yellow dextrin powder, 22-25 parts of talc, 24-25 parts of phenolic resin powder, 1-3 parts of defoaming agent, 1-2 parts of desiccant, 1-2 parts of preservative, 4-5 parts of gypsum powder, and 2-3 parts of light calcium powder.

[0010] The formula adopted by the present invention can make the carton more firmly bonded without splitting edges, thereby enhancing the hardness of the carton and preventing mold and moisture during long-distance transportation.

[0011] Preferably, the starch paste glue special polymerization enhancer comprises the following components by weight:

[0012] 3 parts of kaolin, 15 parts of urea-formaldehyde resin powder, 8 parts of yellow dextrin powder, 22 parts of talc, 24 parts of phenolic resin powder, 1 part of defoamer, 1 part of desiccant, 1 part of preservative, 4 parts of gypsum powder, and 2 parts of light calcium powder.

[0013] Preferably, the starch paste glue special polymerization enhancer comprises the following components in parts by weight:

[0014] 5 parts of kaolin, 20 parts of urea-formaldehyde resin powder, 10 parts of yellow dextrin powder, 25 parts of talc, 25 parts of phenolic resin powder, 3 parts of defoamer, 2 parts of desiccant, 2 parts of preservative, 5 parts of gypsum powder, and 3 parts of light calcium powder.

[0015] Preferably, the desiccant is magnesium sulfate; and the preservative is sodium diacetate.

[0016] A method for preparing a special polymerization enhancer for starch paste glue, specifically comprising the following steps:

[0017] (1) Weigh the raw materials according to the weight ratio: 3-5 parts of kaolin, 15-20 parts of urea-formaldehyde resin powder, 8-10 parts of yellow dextrin powder, 22-25 parts of talc, 24-25 parts of phenolic resin powder, 1-3 parts of defoamer, 1-2 parts of desiccant, 1-2 parts of preservative, 4-5 parts of gypsum powder, 2-3 parts of light calcium powder, and set aside;

[0018] (2) Pour the raw materials into a blender and blend for 15 minutes.

[0019] A water-based environmentally friendly starch paste glue, comprising the following components in parts by weight:

[0020] 3-4 parts of starch, 0.5-0.7 parts of caustic soda, 20-22 parts of tartar, 0.5-0.7 parts of the special polymerization enhancer for starch paste glue, 0.2-0.3 parts of borax, and 70-75 parts of water.

[0021] A method for preparing an aqueous environmentally friendly starch paste glue comprises the following steps: sequentially adding the starch, caustic soda flakes, tartar powder, a special polymerization enhancer for starch paste glue and borax into water, mixing and stirring the mixture to obtain the aqueous environmentally friendly starch paste glue;

[0022] Stir each time a raw material component is added to the water.

[0023] Or prepared by the following preparation method:

[0024] Add 3-4 parts of starch to 35 parts of water and stir for 5 minutes, add 0.5-0.7 parts of caustic soda and stir for 5 minutes, add 35-40 parts of water, then add 20-22 parts of bin powder and stir for 5 minutes, add 0.5-0.7 parts of starch paste glue special polymerization enhancer and stir for 5 minutes, add 0.2-0.3 parts of borax and stir for 15 minutes, use a starch measuring cup for 25-35 seconds and it can be put into use on the three-layer and five-layer production line.

[0025] Preferably, the water-based environmentally friendly starch paste glue comprises the following components in parts by weight:

[0026] 3 parts of starch, 0.5 parts of caustic soda, 20 parts of betaine, 0.5 parts of special polymerization enhancer for starch paste glue, 0.2 parts of borax, and 70 parts of water.

[0027] Preferably, the water-based environmentally friendly starch paste glue comprises the following components in parts by weight:

[0028] 3.8 parts of starch, 0.6 parts of caustic soda, 21.2 parts of betaine, 0.6 parts of special polymerization enhancer for starch paste glue, 0.3 parts of borax, and 75 parts of water.

[0029] A method for preparing an aqueous environmentally friendly starch paste glue comprises the following steps:

[0030] According to the raw material dosage ratio of the above-mentioned water-based environmentally friendly starch paste glue, the starch, caustic soda, betaine powder, starch paste glue special polymerization enhancer and borax are added to the water in sequence for mixing and stirring, wherein each component needs to be stirred after being added.

[0031] Preferably, the stirring time required each time is 5-15 minutes.

[0032] Preferably, the viscosity of the aqueous environmentally friendly starch paste glue is 25-35 seconds.

[0033] Preferably, the viscosity of the water-based environmentally friendly starch paste glue is measured using a starch measuring cup.

[0034] The above-mentioned water-based environmentally friendly starch paste glue is used in three-layer and five-layer corrugated cardboard production lines.

[0035] It can be seen from the above technical solution that, compared with the prior art, the present invention discloses a special polymerization enhancer for starch paste glue, glue containing the same, and a preparation method and application thereof, and its beneficial effects are:

[0036] 1. The water-based environmentally friendly starch paste glue prepared by the present invention can improve the initial adhesion strength and penetration speed of the carton, thereby ensuring that the front and back edges of the mounted carton are not split, the hardness and flatness are good, and the adhesion is firm;

[0037] 2. The corrugated cardboard bonded by the water-based environmentally friendly starch paste glue prepared by the present invention will not mildew, is more suitable for long-distance transportation in a humid environment, and the product is odorless, non-toxic, green and environmentally friendly, and is a high-tech environmentally friendly product. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0039] Figure 1 This is an application product diagram of the glue of Example 4;

[0040] Figure 2 This is the application product diagram of Example 4 compared with the glue of Manufacturer 1;

[0041] Figure 3 The test results of the glue application product in Example 4 are as follows;

[0042] Figure 4 The test results of the glue application product in Example 4 are as follows;

[0043] Figure 5 This is the test result of the glue application product of Example 4. DETAILED DESCRIPTION

[0044] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0045] Example 1

[0046] A method for preparing a special polymerization enhancer for starch paste glue comprises the following steps:

[0047] (1) According to the weight ratio, weigh the following raw materials: 3 parts of kaolin, 15 parts of urea-formaldehyde resin powder, 8 parts of yellow dextrin powder, 22 parts of talcum powder, 24 parts of phenolic resin powder, 1 part of organosilicon defoamer, 1 part of magnesium sulfate, 1 part of sodium diacetate, 4 parts of gypsum powder, and 2 parts of light calcium powder, and set aside;

[0048] (2) Pour the raw materials into the blender one by one and stir for 15 minutes.

[0049] Example 2

[0050] A method for preparing a special polymerization enhancer for starch paste glue comprises the following steps:

[0051] (1) According to the weight ratio, weigh the following raw materials: 4 parts of kaolin, 18 parts of urea-formaldehyde resin powder, 9 parts of yellow dextrin powder, 23 parts of talcum powder, 25 parts of phenolic resin powder, 3 parts of organosilicon defoamer, 2 parts of magnesium sulfate, 2 parts of sodium diacetate, 5 parts of gypsum powder, and 3 parts of light calcium powder, and set aside;

[0052] (2) Pour the raw materials into the blender one by one and stir for 15 minutes.

[0053] Example 3

[0054] A method for preparing a special polymerization enhancer for starch paste glue comprises the following steps:

[0055] (1) According to the weight ratio, weigh the following raw materials: 5 parts of kaolin, 20 parts of urea-formaldehyde resin powder, 10 parts of yellow dextrin powder, 25 parts of talcum powder, 25 parts of phenolic resin powder, 3 parts of organosilicon defoamer, 2 parts of magnesium sulfate, 2 parts of sodium diacetate, 5 parts of gypsum powder, and 3 parts of light calcium powder, and set aside;

[0056] (2) Pour the raw materials into the blender one by one and stir for 15 minutes.

[0057] Example 4

[0058] The starch paste glue special polymerization enhancer prepared in Example 3 is used to prepare water-based environmentally friendly starch paste glue in this embodiment, which specifically includes the following steps:

[0059] Add 3.8 kg of starch to 35 kg of water, stir for 5 minutes, add 0.6 kg of caustic soda, stir for 5 minutes, add 40 kg of water, add 21.2 kg of tantalum and stir for 5 minutes, add 0.6 kg of special polymerization enhancer for starch paste glue and stir for 5 minutes, add 0.3 kg of borax and stir for 15 minutes, and then obtain water-based environmentally friendly starch paste glue.

[0060] Effect verification

[0061] The water-based environmentally friendly starch paste glue prepared in Example 4 was applied to the carton, and the effect diagram is shown in FIG. Figure 1 , the relevant test parameter results are shown in Figure 3-5 , while the comparison diagram of other glues in the prior art is shown in Figure 2. It can be seen from the figure that the glue of the present invention is better than the prior art.

[0062] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0063] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A special polymerization enhancer for starch paste glue, It is characterized in that By weight, it includes the following components: 3-5 parts of kaolin, 15-20 parts of urea-formaldehyde resin powder, 8-10 parts of yellow dextrin powder, 22-25 parts of talc, 24-25 parts of phenolic resin powder, 1-3 parts of defoaming agent, 1-2 parts of desiccant, 1-2 parts of preservative, 4-5 parts of gypsum powder, and 2-3 parts of light calcium powder.

2. A special polymerization enhancer for starch paste glue according to claim 1, It is characterized in that By weight, it includes the following components: 3 parts of kaolin, 15 parts of urea-formaldehyde resin powder, 8 parts of yellow dextrin powder, 22 parts of talc, 24 parts of phenolic resin powder, 1 part of defoamer, 1 part of desiccant, 1 part of preservative, 4 parts of gypsum powder, and 2 parts of light calcium powder.

3. A special polymerization enhancer for starch paste glue according to claim 1, It is characterized in that By weight, it includes the following components: 5 parts of kaolin, 20 parts of urea-formaldehyde resin powder, 10 parts of yellow dextrin powder, 25 parts of talc, 25 parts of phenolic resin powder, 3 parts of defoamer, 2 parts of desiccant, 2 parts of preservative, 5 parts of gypsum powder, and 3 parts of light calcium powder.

4. A water-based environmentally friendly starch paste glue, It is characterized in that The invention comprises the special polymerization enhancer for starch paste glue as described in any one of claims 1 to 3.

5. A water-based environmentally friendly starch paste glue according to claim 4, It is characterized in that According to weight parts, it includes the following components: 3-4 parts of starch, 0.5-0.7 parts of caustic soda, 20-22 parts of tartar, 0.5-0.7 parts of the special polymerization enhancer for starch paste glue, 0.2-0.3 parts of borax, and 70-75 parts of water.

6. A water-based environmentally friendly starch paste glue according to claim 5, It is characterized in that According to parts by weight, it includes the following components: 3.8 parts of starch, 0.6 parts of caustic soda, 21.2 parts of tartar, 0.6 parts of the special polymerization enhancer for starch paste glue, 0.3 parts of borax, and 75 parts of water.

7. A method for preparing water-based environmentally friendly starch paste glue, It is characterized in that The following steps are involved: According to the dosage ratio of the water-based environmentally friendly starch paste glue according to claim 5 or 6, the starch, caustic soda, tartar powder, a special polymerization enhancer for starch paste glue and borax are added to water in sequence and mixed and stirred evenly to obtain the water-based environmentally friendly starch paste glue.

8. A method for preparing an aqueous environmentally friendly starch paste glue according to claim 7, It is characterized in that The stirring is specifically: stirring is performed after each raw material component is added to the water.

9. A method for preparing an aqueous environmentally friendly starch paste glue according to claim 8, It is characterized in that The stirring time is 5-15 min each time.

10. Use of the water-based environmentally friendly starch paste glue according to any one of claims 4 to 6 or the water-based environmentally friendly starch paste glue prepared by the preparation method according to any one of claims 7 to 9 in a production line for bonding three-layer or five-layer corrugated cardboard.

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