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A kind of preparation method of bone glue

A bone glue and mixed bone technology, applied in the field of bone glue preparation, can solve problems such as inconvenience of use, equipment corrosion, toxicity, etc., and achieve the effects of strong coating ability, improved efficiency, and convenient recycling.

Active Publication Date: 2021-09-28
安徽省淮河制胶有限公司
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  • Abstract
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Problems solved by technology

In the prior art, the method of solvent extraction is generally used for oil extraction. The solvents used include gasoline, benzene, carbon disulfide, trichlorethylene, etc., but there are many problems in the specific use of organic solvents. For example, benzene belongs to Flammable organic solvents with a melting point of +5.5°C are inconvenient to use in winter when the temperature is low; trichlorethylene is unstable after being heated and will slowly decompose to produce hydrogen chloride, causing corrosion to equipment; in addition, benzene and trichlorethylene Vinyl chloride is toxic

Method used

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preparation example Construction

[0033] The invention provides a preparation method of bone glue, which includes sorting the collected miscellaneous bones and removing impurities; crushing the sorted aggregates to obtain bone pieces; performing oil extraction operation on the bone pieces; The above oil extraction operation includes immersing the bone block in hot water containing a defatted compound, and then performing multi-layer filtration to obtain bone blocks of different particle size ranges; wherein, the preparation raw materials of the defatted compound include chitosan, Silicon source precursor and povidone.

[0034] Specifically, the oil lifting operation described in the present invention is carried out in a multi-stage filter tank, and the multi-stage filter tank includes a first filter tank, a second filter tank, a second filter tank, and Three filter tanks, the fourth filter tank and the fifth filter tank; the first filter tank at the highest position is provided with a water inlet pipe, and the...

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Abstract

The invention belongs to the technical field of bone glue preparation, and specifically relates to a preparation method of bone glue, which includes sorting collected miscellaneous bones and removing impurities; crushing the sorted aggregates to obtain bone blocks; Carry out an oil extraction operation; the oil extraction operation includes immersing the bone block in hot water containing a degreasing compound, and then performing multi-layer filtration to obtain bone blocks of different particle size ranges; wherein, the preparation of the degreasing compound The raw materials include chitosan, silicon source precursor and povidone; in the present invention, the broken bone is soaked in hot water containing a degreasing compound, and the degreasing compound wraps the fat separated from the bone Cover and precipitate in hot water to achieve the purpose of degreasing, and then use multi-layer filtration to distinguish the bone blocks into different particle size ranges, thereby improving the efficiency of subsequent bone rubbing.

Description

technical field [0001] The invention belongs to the technical field of bone glue preparation, in particular to a preparation method of bone glue. Background technique [0002] Bone glue is the most widely used animal bonding material, also known as beaded bone glue because of its beaded appearance. Its characteristics are good bonding performance, high strength, less moisture, fast drying, good bonding and setting, low price, easy to use, especially suitable for bonding and pasting hardcover book covers, and good results can be obtained. [0003] Fresh bones have an average fat content of about 12%. The mixed bones used for bone glue production have been cooked and exposed to the sun and rain before and after purchase. The fat content has been greatly reduced, but generally there may still be 6%-8%. If the bones are cooked to a higher degree and exposed to the sun and rain for a long time, the oil content of the mixed bones will be correspondingly lower. If the fat content...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09H3/00C09H1/02C11B7/00
CPCC09H1/02C09H3/00C11B7/0083
Inventor 杨列宁杨列朋
Owner 安徽省淮河制胶有限公司
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