A kind of reinforcement and protection method for rotten hardened leather cultural relics

Abstract

The invention discloses a method for reinforcing and protecting a decayed and hardened leather historical relic. The method includes the following steps that the decayed and hardened leather historical relic is placed in an ethanol aqueous solution to be dipped; then, the leather historical relic is placed in a water bath kettle containing a pancreatic enzyme aqueous solution to be treated; the leather historical relic subjected to enzyme treatment is placed in a solution containing urea, sodium chloride, ethyl alcohol and water to be subjected to dipping treatment; the leather historical relic treated in the former step is placed in an ethanol aqueous solution to be subjected to dipping treatment; the leather historical relic treated in the former step is placed in a gelatin aqueous solution to be dipped; the leather historical relic treated in the former step is placed in a glutaraldehyde solution to be dipped. After treatment is finished, natural airing is conducted, and the reinforced leather historical relic is obtained. The method has the advantages that the effect is remarkable, the method is applied to hardened fur, and elasticity and other mechanical properties of the fur are improved; the method is simple, and operation is simple and convenient; no secondary damage can be caused to the fur historical relic.

Description

technical field

[0001] The invention relates to a softening and strengthening method for decayed and hardened leather cultural relics, in particular to a softening and strengthening protection method for decayed and hardened leather cultural relics. Background technique

[0002] In the long history of China, people began to use animal fur to make clothes to keep out the cold very early. In recent years, with continuous archaeological excavations, a large number of exquisite leather cultural relics have been unearthed. However, due to being buried underground for a long time, a large number of leather cultural relics have become very dry, hard and fragile. The appearance and performance of leather cultural relics are seriously affected, which will not be conducive to the long-term preservation of cultural relics. Contents of the invention

[0003] In order to solve the above problems, the present invention provides a reinforcement and protection method for decayed and har...

Examples

Embodiment 1

[0012] Embodiment 1 adopts the following steps:

[0013] A) Take the old and hardened leather cultural relics first, soak them in 50% ethanol aqueous solution for 2 hours;

[0014] B) Put the leather cultural relics into a water bath containing 0.5% trypsin aqueous solution, the activity of trypsin is 1000U / g, adjust the pH value to 8, the temperature is 40 degrees, and the time is 30 minutes;

[0015] C) Put the leather cultural relics after enzyme treatment into ethanol and aqueous solution containing 2% by mass of urea, 2% of sodium chloride, and 48% of the rest for 2 hours;

[0016] D) Immerse the leather cultural relics treated in step C) in 50% ethanol aqueous solution for 2 hours;

[0017] E) Put the leather cultural relics treated in step D) into the gelatin aqueous solution with a mass fraction of 5% for 30 minutes, and the dosage is 10ml of gelatin aqueous solution per square centimeter of leather cultural relics;

[0018] F) Immerse the leather cultural relics tha...

Embodiment 2

[0019] Embodiment 2 adopts the following steps:

[0020] A) Take the old and hardened leather cultural relics first, and soak them in 50% ethanol aqueous solution for 2.5 hours;

[0021] B) Put the leather cultural relics into a water bath containing 1% trypsin aqueous solution, the activity of trypsin is 1000U / g, adjust the pH value to 8, the temperature is 45 degrees, and the time is 30 minutes;

[0022] C) Put the leather cultural relics after enzyme treatment into ethanol and aqueous solution containing 2% by mass of urea, 2% of sodium chloride, and 48% of the rest for 2 hours;

[0023] D) Immerse the leather cultural relics treated in step C) in 50% ethanol aqueous solution for 2.5 hours;

[0024] E) Put the leather cultural relics treated in step D) into 7% gelatin aqueous solution for 45 minutes, and the dosage is 20ml of gelatin aqueous solution per square centimeter of leather cultural relics;

[0025] F) Put the leather cultural relics that have passed the step E) ...

Embodiment 3

[0026] Embodiment 3 adopts the following steps:

[0027] A) Take the old and hardened leather cultural relics first, and soak them in 50% ethanol aqueous solution for 3 hours;

[0028] B) Put the leather cultural relics into a water bath containing 2% trypsin aqueous solution, the activity of trypsin is 1000U / g, adjust the pH value to 8, the temperature is 50 degrees, and the time is 30 minutes;

[0029] C) Put the leather cultural relics after enzyme treatment into ethanol and aqueous solution containing 2% by mass of urea, 2% of sodium chloride, and 48% of the rest for 2 hours;

[0030] D) Immerse the leather cultural relics treated in step C) in 50% ethanol aqueous solution for 3 hours;

[0031] E) Put the leather cultural relics treated in step D) into the gelatin aqueous solution with a mass fraction of 10% for 60 minutes, and the dosage is 30ml of gelatin aqueous solution per square centimeter of leather cultural relics;

[0032] F) Immerse the leather cultural relics ...

technical field

[0001] The invention relates to a softening and strengthening method for decayed and hardened leather cultural relics, in particular to a softening and strengthening protection method for decayed and hardened leather cultural relics. Background technique

[0002] In the long history of China, people began to use animal fur to make clothes to keep out the cold very early. In recent years, with continuous archaeological excavations, a large number of exquisite leather cultural relics have been unearthed. However, due to being buried underground for a long time, a large number of leather cultural relics have become very dry, hard and fragile. The appearance and performance of leather cultural relics are seriously affected, which will not be conducive to the long-term preservation of cultural relics. Contents of the invention

[0003] In order to solve the above problems, the present invention provides a reinforcement and protection method for decayed and har...

Examples

Embodiment 1

[0012] Embodiment 1 adopts the following steps:

[0013] A) Take the old and hardened leather cultural relics first, soak them in 50% ethanol aqueous solution for 2 hours;

[0014] B) Put the leather cultural relics into a water bath containing 0.5% trypsin aqueous solution, the activity of trypsin is 1000U / g, adjust the pH value to 8, the temperature is 40 degrees, and the time is 30 minutes;

[0015] C) Put the leather cultural relics after enzyme treatment into ethanol and aqueous solution containing 2% by mass of urea, 2% of sodium chloride, and 48% of the rest for 2 hours;

[0016] D) Immerse the leather cultural relics treated in step C) in 50% ethanol aqueous solution for 2 hours;

[0017] E) Put the leather cultural relics treated in step D) into the gelatin aqueous solution with a mass fraction of 5% for 30 minutes, and the dosage is 10ml of gelatin aqueous solution per square centimeter of leather cultural relics;

[0018] F) Immerse the leather cultural relics tha...

Embodiment 2

[0019] Embodiment 2 adopts the following steps:

[0020] A) Take the old and hardened leather cultural relics first, and soak them in 50% ethanol aqueous solution for 2.5 hours;

[0021] B) Put the leather cultural relics into a water bath containing 1% trypsin aqueous solution, the activity of trypsin is 1000U / g, adjust the pH value to 8, the temperature is 45 degrees, and the time is 30 minutes;

[0022] C) Put the leather cultural relics after enzyme treatment into ethanol and aqueous solution containing 2% by mass of urea, 2% of sodium chloride, and 48% of the rest for 2 hours;

[0023] D) Immerse the leather cultural relics treated in step C) in 50% ethanol aqueous solution for 2.5 hours;

[0024] E) Put the leather cultural relics treated in step D) into 7% gelatin aqueous solution for 45 minutes, and the dosage is 20ml of gelatin aqueous solution per square centimeter of leather cultural relics;

[0025] F) Put the leather cultural relics that have passed the step E) ...

Embodiment 3

[0026] Embodiment 3 adopts the following steps:

[0027] A) Take the old and hardened leather cultural relics first, and soak them in 50% ethanol aqueous solution for 3 hours;

[0028] B) Put the leather cultural relics into a water bath containing 2% trypsin aqueous solution, the activity of trypsin is 1000U / g, adjust the pH value to 8, the temperature is 50 degrees, and the time is 30 minutes;

[0029] C) Put the leather cultural relics after enzyme treatment into ethanol and aqueous solution containing 2% by mass of urea, 2% of sodium chloride, and 48% of the rest for 2 hours;

[0030] D) Immerse the leather cultural relics treated in step C) in 50% ethanol aqueous solution for 3 hours;

[0031] E) Put the leather cultural relics treated in step D) into the gelatin aqueous solution with a mass fraction of 10% for 60 minutes, and the dosage is 30ml of gelatin aqueous solution per square centimeter of leather cultural relics;

[0032] F) Immerse the leather cultural relics ...