Preparation method of biological glue

Abstract

According to the preparation method of the biological glue, the raw materials comprise a natural polymer and a waterproof additive, the natural polymer adopts soybean protein, gelatin, alginate or starch, and a cross-linking agent (such as glutaraldehyde, melamine formaldehyde and the like) is added, so that the waterproof property of the biological glue is improved. A three-dimensional structure is formed through a catalytic reaction to improve the strength and waterproofness of the glue, additional waterproof treatment is performed on a glue finished product in a soaking or spraying manner, for example, a nano coating or a hydrophilic modifier is used, so that the waterproof effect of the product is further enhanced, the performance of the product can be improved, and the glue can be conveniently applied to various environments; the limitation during use is low, so that the adhesive force and the elasticity can be kept in a humid environment.

Description

Technical Field

[0001] The invention relates to the technical field of glue, in particular to a method for preparing biological glue. Background Art

[0002] Bioglue is a type of adhesive derived from natural materials, usually made of biopolymers from plants or animals. Due to its environmentally friendly properties and good biocompatibility, this glue has been widely used in many fields in recent years, including footwear, luggage, marine engineering and biomedicine, but it also faces some challenges and problems during use:

[0003] The existing biological glue is too expensive to prepare, difficult to obtain, and has poor waterproof effect and low performance. Many biological glues have high requirements for the environment during application, so the existing glues are difficult to meet the application environment. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies of the prior art, the present invention provides a method for preparing biological glue.

[0006] (II) Technical solution

[0007] To achieve the above object, the present invention provides the following technical solution: a method for preparing biological glue, comprising the following steps:

[0008] Step 1: Raw material selection;

[0009] Step 2: Raw material preparation;

[0010] Step 3: Dissolve and mix the selected materials;

[0011] Step 4: Add chemical reagents;

[0012] Step 5: Add waterproof treatment;

[0013] Step 6: Cooling and curing;

[0014] Step 7: Material handling;

[0015] Step 8: Performance testing;

[0016] Step 9: Finished product processing.

[0017] A further improvement of the present invention is that the raw material comprises a natural polymer and a waterproof additive.

[0018] Further, the improvement of the present invention is that the raw material preparation comprises the following steps:

[0019] Step 1: Clean and dry the natural polymer;

[0020] Step 2: Crush the large particles into small particles.

[0021] Further, the improvement of the present invention is that adding the compound comprises the following steps:

[0022] Step 1: Add cross-linking agent;

[0023] Step 2: Control the reaction conditions.

[0024] A further improvement of the present invention is that the waterproofing treatment includes surface treatment.

[0025] Further, the present invention is improved in that the performance test comprises the following steps:

[0026] Step 1: Waterproof performance test;

[0027] Step 2: Physical performance test.

[0028] Further, the improvement of the present invention is that the material processing comprises the following steps:

[0029] The first step: material filtration;

[0030] Step 2: Degassing of materials.

[0031] Further, the improvement of the present invention is that the finished product processing comprises the following steps:

[0032] Step 1: Pack the finished product;

[0033] Step 2: Store the packaged products.

[0034] (III) Beneficial effects

[0035] Compared with the prior art, the present invention provides a method for preparing biological glue, which has the following beneficial effects:

[0036] This product adds a cross-linking agent (such as glutaraldehyde, melamine formaldehyde, etc.) to form a three-dimensional structure through a catalytic reaction to improve the strength and waterproofness of the glue. The finished glue product is subjected to additional waterproofing treatment by immersion or spraying, such as using a nano-coating or a hydrophilic modifier to further enhance the waterproof effect of this product, thereby improving the performance of this product and facilitating its application in a variety of environments. It has low limitations during use and can maintain adhesion and elasticity in a humid environment. DETAILED DESCRIPTION

[0037] 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.

[0038] A method for preparing a biological glue of the present invention comprises the following steps:

[0039] Step 1: Raw material selection. The raw materials include natural polymers and waterproof additives. The natural polymers are soy protein, gelatin, alginate or starch. Soy protein has the following advantages:

[0040] 1) Good bonding properties: Soy protein can form strong bonding glue after dissolving in water;

[0041] 2) Biodegradability: extracted from plants, environmentally friendly;

[0042] 3) Water resistance: Water resistance can be improved through appropriate modification and cross-linking;

[0043] Gelatin has the following advantages:

[0044] 1) Strong adhesion: Gelatin can provide strong adhesion on a variety of surfaces;

[0045] 2) Transparency: Transparent after curing, suitable for bags with high appearance requirements;

[0046] 3) Biocompatibility: performs well in leather and fabric applications;

[0047] Alginate has the following advantages:

[0048] 1) Excellent adhesion properties: suitable for making soft adhesives and can be well combined with a variety of materials;

[0049] 2) Waterproofness: Through cross-linking treatment, a certain waterproof performance can be obtained;

[0050] 3) Biodegradability: environmentally friendly materials, suitable for sustainable products;

[0051] Starch has the following advantages:

[0052] 1) Low cost: Starch is widely available and inexpensive;

[0053] 2) Biodegradable: environmentally friendly and in line with sustainable development requirements;

[0054] 3) Adaptability and modification: Its adhesion and waterproof properties can be improved through modification;

[0055] Waterproofing agents can be classified into the following two categories:

[0056] 1) Polyurethane: As a waterproofing agent, it can improve the water resistance of glue;

[0057] 2) Phospholipids: such as lecithin, which can improve the waterproof performance and adhesion of biological glue;

[0058] According to the specific products to be bonded, select the corresponding raw materials.

[0059] Step 2: Raw material preparation;

[0060] Further, raw material preparation includes the following steps:

[0061] Step 1: Wash and dry the natural polymer to ensure that the selected natural polymer is dry and free of impurities;

[0062] Step 2: Crush large particles into small particles. If necessary, grind solid materials into powder to improve the subsequent solubility of the materials.

[0063] Step 3: Dissolve and mix the selected materials, wherein the selected biopolymer is dissolved in water or a suitable solvent, and heating is usually required to promote its dissolution. The dissolved polymer is then mixed with the waterproof additive in proportion to ensure uniform distribution. Mechanical stirring can improve the uniformity of mixing.

[0064] Step 4: Add chemical reagents;

[0065] Further, adding the compound comprises the following steps:

[0066] Step 1: Adding a cross-linking agent (such as glutaraldehyde, melamine formaldehyde, etc.) to form a three-dimensional structure through a catalytic reaction to improve the strength and waterproofness of the glue;

[0067] Step 2: Control the reaction conditions and adjust the temperature, pH value and reaction time according to the characteristics of the cross-linking agent to ensure maximum cross-linking.

[0068] Step 5: Add waterproof treatment;

[0069] Furthermore, the waterproof treatment includes surface treatment, and the finished glue product is additionally waterproofed by immersion or spraying, such as using a nano coating or a hydrophilic modifier to further enhance the waterproof effect, which can improve the performance of this product and facilitate the application of this product in a variety of environments with low limitations during use.

[0070] Step 6: Cooling and solidification: Allow the mixture to cool naturally to form a stable structure and solidify under certain conditions.

[0071] Step 7: Material handling;

[0072] Further, the material processing includes the following steps:

[0073] Step 1: Material filtration, using a filter to remove undissolved particles and impurities in the material;

[0074] Step 2: Degas the material by removing bubbles through vacuum degassing or standing to ensure the quality of the glue.

[0075] Step 8: Performance testing;

[0076] Furthermore, the performance test includes the following steps:

[0077] Step 1: Waterproof performance test, using standard methods to test waterproof ability to ensure it can resist water penetration in application;

[0078] Step 2: Physical performance testing, testing adhesion strength, toughness, temperature resistance, moisture resistance, etc., to ensure consistency with expected performance.

[0079] Step 9: Finished product processing;

[0080] Further, the finished product processing includes the following steps:

[0081] Step 1: Pack the finished product and put the glue into sealed containers to avoid contamination and environmental impact;

[0082] Step 2: Store the packaged finished products at appropriate storage temperature and humidity to extend the service life of the glue.

[0083] In the description of this article, it should be noted that relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0084] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. A method for preparing a biological glue, characterized in that: The following steps are involved: Step 1: Raw material selection; Step 2: Raw material preparation; Step 3: Dissolve and mix the selected materials; Step 4: Add chemical reagents; Step 5: Add waterproof treatment; Step 6: Cooling and curing; Step 7: Material handling; Step 8: Performance testing; Step 9: Finished product processing.

2. A method for preparing a biological glue according to claim 1, characterized in that: The raw materials include natural polymers and water-repellent additives.

3. A method for preparing a biological glue according to claim 2, characterized in that: Raw material preparation The following steps are involved: Step 1: Clean and dry the natural polymer; Step 2: Crush the large particles into small particles.

4. A method for preparing a biological glue according to claim 3, characterized in that: Adding the compound includes the following steps: Step 1: Add cross-linking agent; Step 2: Control the reaction conditions.

5. A method for preparing a biological glue according to claim 4, characterized in that: Waterproofing includes surface treatment.

6. The method for preparing a biological glue according to claim 5, characterized in that: Performance testing includes the following steps: Step 1: Waterproof performance test; Step 2: Physical performance test.

7. A method for preparing a biological glue according to claim 6, characterized in that: Material handling includes the following steps: The first step: material filtration; Step 2: Degassing of materials.

8. A method for preparing a biological glue according to claim 7, characterized in that: Finished product processing includes the following steps: Step 1: Pack the finished product; Step 2: Store the packaged products.