A kind of modification method of water-resistant bone glue

A water-resistant, bone-adhesive technology, applied in the preparation of animal glue or gelatin, adhesives, adhesive types, etc., can solve problems such as development limitations, and achieve the effect of reducing the degree of sealing, enhancing the degree of adhesion, and improving the water resistance.

Active Publication Date: 2019-04-02
SHANGLUO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to its water solubility, its development has been greatly restricted.

Method used

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  • A kind of modification method of water-resistant bone glue
  • A kind of modification method of water-resistant bone glue

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Mix bone glue particles and cold water at a mass ratio of 1:1.5 and place them in a three-necked flask, soak for 12-24 hours, and after fully swollen, heat up in a water bath to 65°C and stir at constant temperature for 20 minutes to dissolve to obtain a bone glue solution. Then add hydrochloric acid, hydrolyze at 65-70°C for 30 minutes to obtain a yellow translucent mucus, add sodium carboxymethylcellulose when the temperature drops to 40°C, react at a constant temperature for 90 minutes, add KH560 organosilane coupling agent, p-nitrophenol ethanol solution and stir at constant temperature After reacting for 40min, a yellow-brown viscous liquid was obtained; wherein the added hydrochloric acid accounted for 1% of the dry glue mass of the bone glue particles, the added sodium carboxymethylcellulose accounted for 3% of the dry glue quality of the bone glue particles, and the added KH560 organosilane The joint agent accounts for 3% of the dry glue mass of the bone glue par...

Embodiment 2

[0032] Mix bone glue particles and cold water at a mass ratio of 1:2 and place them in a three-necked flask, soak for 12-24 hours, and after fully swollen, heat up in a water bath to 60°C, stir at constant temperature for 35 minutes, and dissolve to obtain a bone glue solution. Then add citric acid, hydrolyze at 65-70°C for 180min to obtain yellow translucent mucus, add sodium carboxymethylcellulose when the temperature drops to 35°C, stir and react at constant temperature for 80min, add KH560 organosilane coupling agent and p-nitrophenol solution at constant temperature After stirring and reacting for 30 minutes, a yellow-brown viscous liquid was obtained; wherein the added citric acid accounted for 3% of the dry glue mass of the bone glue particles, the added sodium carboxymethylcellulose accounted for 2% of the dry glue quality of the bone glue particles, and the added KH560 organic The silane coupling agent accounts for 2% of the dry glue mass of the bone glue particles, an...

Embodiment 3

[0034] Mix bone glue particles and water at a mass ratio of 1:1.5 and place them in a three-necked flask, heat in a water bath to 70°C, stir at a constant temperature for 40 minutes, and dissolve to obtain a bone glue solution. Then add sulfuric acid, hydrolyze at 50°C for 60 minutes to obtain a yellow translucent mucus, add carboxymethylcellulose sodium at the same time, react for 70 minutes, add KH560 organosilane coupling agent, p-nitrophenol solution and stir for 60 minutes to obtain a yellow-brown viscous liquid The sulfuric acid added therein accounts for 1.5% of the dry glue quality of bone glue particles, the added sodium carboxymethylcellulose accounts for 4% of the dry glue quality of bone glue particles, and the added KH560 organic silane coupling agent accounts for 4% of the dry glue quality of bone glue particles. 2.5%, the added p-nitrophenol ethanol solution accounts for 6% of the dry glue mass of the bone glue particles.

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Abstract

The invention discloses a modification method of water resisting bone glue. The modification method comprise the following steps of 1) mixing a bone glue particle and water at the mass ratio of 1.0:(1.5-2) at the room temperature, soaking for 12-24 hours, stirring for 20 minutes to 60 minutes at 60 DEG C to 65 DEG C after the mixture is completely swelled, then adding an acid, raising the temperature, stirring, and hydrolyzing to obtain a bone glue solution; or mixing the bone glue particle and water at the mass ratio of 1.0:(1.5-2) at the room temperature, heating to 50 DEG C to 60 DEG C, stirring for 60 minutes, dissolving to obtain a yellow transparent glue solution, then adding an acid, raising the temperature, stirring, and hydrolyzing to obtain the bone glue solution; and 2) adding sodium carboxymethylcellulose in the prepared bone glue solution, stirring to react for 60 minutes to 180 minutes, adding an organosilicon coupling agent KH560 and a paranitrophenol ethanol solution, and stirring at the constant temperature to obtain the water resisting bone glue. By the modification method, the glue, which is in a liquid state at the normal temperature, is prepared, the water resistance is improved, and the bonding mechanism of a copolymerization adhesive is studied to serve for industrialization.

Description

Technical field: [0001] The invention belongs to the field of polymer materials, in particular to a method for modifying the water resistance of bone glue by using silane coupling agent KH560. Background technique: [0002] In recent years, the application of environmentally friendly adhesives has penetrated into various fields of the national economy. As a degradable natural adhesive, bone glue is widely used in bonding and pasting hardcover book covers due to its good bonding performance, high strength, low price, and convenient use. Good results are obtained in the shell. However, due to its water solubility, its development has been greatly restricted. Invention content: [0003] The purpose of the present invention is to provide a method for modifying water-resistant bone glue. The method uses industrial bone glue as the basic raw material, and on the basis of the original modification methods such as graft copolymerization, a hydrolyzable self-crosslinking silane co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J189/00C08H1/00
CPCC08H1/00C09J189/00
Inventor 狄燕清崔孝炜周春生陈凤英孙楠刘永亮任有良邸友莹
Owner SHANGLUO UNIV
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