KR20020030588A - A manufacturing process for an aroma split leather - Google Patents

Abstract

PURPOSE: Provided is a method for manufacturing leather which can continuously emit favorable scent without odor of chemicals used for treatment of leather during manufacturing so as to promote purchasing of consumers. CONSTITUTION: The method includes steps of providing raw material of leather; mixing the raw material with various chemicals in a drum at 20 deg.C and pH 2.8 to 3.8, followed for 15 hours; dehydrating the leather by pressing it with roller, thereby reducing the moisture content with 50 to 60%; cutting and trimming the leather with a band to have a predetermined shape; subjecting the leather to a first surface processing step by a processing roller; subjecting the leather to neutralizing, fatliquoring and dying step while mixing with various chemicals at 30 to 45 deg.C and pH 3.8 to 5.2 for 10 hours; subjecting the leather to a first drying step by applying heat at 80 to 100 deg.C for 30 to 300 seconds using a vacuum dryer or heating plate, thereby reducing the moisture content to 27 to 30%; subjecting the leather to a second drying step by drying with hot air of 60 to 80 deg.C using a hanger dryer; grinding the leather by rotation of sand paper to provide surface smoothness; controlling the smoothness of the surface; coating scent particles on the surface of the leather using a spray gun; applying heat at 60 to 80 deg.C for 10 to 20 minutes in a chamber dryer, thereby fixing the scent particles on the leather surface; and checking the leather for taking out.

Description

A manufacturing process for an aroma split leather

The present invention relates to a method for manufacturing leather, and in particular to provide a higher quality leather products to consumers by allowing the fragrance to continue to emanate from the surface of the leather for a long time to remove the drug smell of leather products It relates to a method for producing leather having a scent.

Generally, leather is divided into natural leather of animal which is recognized as a high-quality product and artificial leather produced in recent years. In general, leather is processed from raw leather obtained by slaughter of animals to produce various clothes, accessories and household goods. It is done.

That is, the natural leather obtained from the animal as described above is difficult to obtain raw hides, and the processing process is complicated, so it is often expensive, and many chemicals and many processes are required for processing raw hides to obtain leather products. will be.

Therefore, clothing and other household goods made of natural leather are not only luxurious but also have a long life compared to products using other materials, and are favored by consumers.

By the way, in the case of the leather, the leather product is subjected to a process of several stages, the chemical smell is produced from the surface of the leather by the various drugs used in each manufacturing process for making the leather, the chemical smell is a leather product Even if it is completed and supplied to consumers, it may be unpleasant to consumers because it continues to come out, and it is inconvenient to consumers because they have to spray perfume or use other means to remove the peculiar smell of leather products. Will be.

Accordingly, the present invention has been devised in view of the above circumstances, so that the fragrance can be continuously emitted from the surface of the leather for a long time so as to remove the chemical smell of the leather product, thereby providing a higher quality leather product to the consumer. It is an object of the present invention to provide a method for producing leather having a fragrance.

In order to achieve the above object, the present invention provides a preparation step for inspecting or screening raw materials, wearing raw materials of leather, and putting the raw materials together with various chemicals in the drum at pH 2.8-3.8. Leather forming step (TANNING) to remove raw materials lime and meat by mixing for 15 hours in the state of, and dehydration step (SAMMING) to lower the moisture contained in the leather by 50-60% by pressing the leather with a roller, and the band BAND KNIFE, which cuts the leather according to the standard using a knife and adjusts its thickness, and processes the surface of the leather using a processing roller to make the thickness of the leather uniform. SHAVING) and leather with various chemicals inside the drum, and the mixture is subjected to neutralization, eggplant, and dyeing while mixing at 30-45 ℃ for 10 hours at pH 3.8-5.2. A tanning processing step that imparts various characteristics, and a first drying step that reduces the moisture content of the leather to 27-30% by heating the leather for 30-300 sec at a temperature of 80-100 ° C using a vacuum dryer or a hot plate. In the second drying step, the first dried leather is completely dried by hot air of 60-80 ℃ by using a hanger dryer, and the surface of the leather is polished by grinding the surface of the leather by the rotation of sand paper. Secondary surface finishing step (BUFFING) to maintain surface smoothness, surface finishing step to adjust the smoothness of the surface by rotating in the drum while pressing the finishing touch to the leather surface, using a spray gun Incense granules applying step to apply the fragrance grains to the surface of the leather, and injecting the fragranced grains into the chamber dryer Heat the incense grains to fix the incense grains to the fiber of the leather by applying heat for 10 to 20 minutes, inspect and release the leather to which the incense grains are fixed, and finish the molding of the product into the leather. It is.

That is, the leather produced through the above process has a fragrance while applying the fragrance grains and fixing the fragrance grains, and the fragrance grains are scented while being sequentially burst by external conditions such as friction, temperature and humidity. Therefore, even after washing the leather, the fragrance is emitted for a long time.

Therefore, it is possible to promote consumer's purchasing power by continuously releasing aromatic fragrance instead of chemical smell from leather products, and improve the performance of leather by effectively fixing the fragrance grains in the tissue of leather. Eliminating odors can improve consumer preferences for leather goods.

1 is a flow chart showing a manufacturing process of leather having a fragrance according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a flow chart illustrating a manufacturing process of the leather having a fragrance according to the present invention, which is manufactured on the leather having a fragrance on the surface of the leather, wherein the leather is prepared for inspecting or selecting the raw materials as well as wearing the raw materials of the leather. And a leather forming step for removing lime and meat of raw materials by mixing raw materials with various chemicals inside the drum and mixing them for 15 hours at a temperature of 20 ° C. at a pH of 2.8 to 3.8. Dehydration step to reduce the water content by 50-60%, Splitting step of adjusting the thickness by cutting the leather according to the specification using a band knife, and processing the surface of the leather by using the processing roller The first surface processing step to make the thickness uniform, and the leather is put together with various chemicals in the drum for 10 hours in the state of PH 3.8-5.2 at a temperature of 30-45 ℃ Leather mixing step that imparts various characteristics of leather through neutralization, eggplant, and dyeing process while mixing, and heats the leather for 30-300sec at 80-100 ℃ using vacuum dryer or hot plate The first drying step to reduce the content to 27-30%, the second drying step to completely dry the first dried leather with hot air at 60-80 ℃ using a hanger dryer, and the leather by rotating the sand paper Secondary surface finishing step that raises the surface of the leather by raising the surface of the leather and polishes the surface of the leather and adjusts the smoothness of the surface by rotating in the drum while finishing and applying pressure to the surface of the leather. Surface finishing step, spraying gun and injecting grains to the surface texture of leather, and grains Put the included leather into the chamber dryer and heat it for 10-20 minutes at the temperature of 60-80 ℃ to fix the fragrance grains to the fiber of the leather, and inspect and ship the leather with the fragrant grains In addition, the leather is manufactured during the finishing stage of molding the product.

Here, the characteristic of the leather produced by the various processes as described above is that the fragrance on the surface of the leather, the first to process the leather so that the fragrance grains can more easily penetrate the tissue of the leather, and then The fragrance grains are coated on the leather through a spray gun and the heat is fixed by using heat to prepare a fragrant leather.

In other words, the leather has a fragrance while applying the fragrance grains and fixing the fragrance grains, and the fragrance grains are sequentially bursted by friction, temperature, and humidity, which are external conditions. Therefore, even if you wash the leather will give off a long time.

In other words, the manufacturing method of leather with aroma is described in detail in each step as follows.

Preparation step; It is a process of putting raw materials of leather obtained from animals, checking the condition of the raw materials and sorting them into various levels according to their quality.

Leather molding step; After the selected raw materials were put into the drum, 9 kinds of chemicals including salt were added, and the temperature was kept at 20 ° C, and the mixture was removed at pH 2.8-3.9 for 15 hours to remove the lime from the raw materials, Is the process of shaping the leather by removing it.

Dehydration step; By applying pressure to the leather using a roller of the dehydrator to remove the moisture contained in the leather, this process is to reduce the moisture content of the leather to 50-60% for workability of the next process.

Partitioning step; The splitting operation is performed to divide the leather according to the specification by adjusting the blade of the divider, and is also a process of splitting the leather according to the thickness of the leather to adjust the thickness of the leather.

First surface processing step; It is the process of making the thickness of leather uniform by processing the surface of leather using the processing roller of the shearing machine.

Tanning process; The process of neutralization, eggplant processing, and dyeing is performed to mix the leather put into the drum for 10 hours at 30-45 ℃ and PH 3.8-5.2 environment to form the leather, and to fill the tissue with the filler It gives the properties of sex, flexibility, smoothness, tensile strength, etc. At this time, 16 kinds of medicines including SYNTAIN are introduced.

First drying step; The heat is applied to the leather using a vacuum dryer or a hot plate to lower the moisture content of the leather to 27-30%. At this time, the leather is heated at 80-100 ° C for about 30-300 sec.

Secondary drying step; It is a process of completely drying the first dried leather by applying hot air with a temperature of 60-80 ° C. while rotating the leather fixed to the hanger dryer.

Secondary surface processing step; It is a process of forming a brush on the surface of the leather by rotating the sand paper of the surface processing machine to maintain the surface smoothness of the leather.

Surface finishing step; It is a process of adjusting the softness according to the leather condition and product characteristics by applying the vibrator to the surface of the leather while applying pressure and rotating the leather in the milling drum.

Fragrance grain applying step; A spray gun of an automatic spray machine is used to apply fragrance grains to the tissue of the leather. The process is to infiltrate the tissue of the microfibers, which are solidified by about 45 to 50%, depending on the type of the perfume grains.

Incense grain fixing step; It is a process of adhering the fragrance grains penetrated to the leather tissue to the fiber of the leather by placing the fragrance-coated leather in a chamber dryer and applying heat for 10-20 minutes at a temperature of 60-80 ° C.

Finishing step; It is the process of producing leather goods after leaving the finished leathers for inspection.

Therefore, the fragrance grains made of microfine particles effectively penetrate the tissue of the leather, thereby preserving the function of the leather, and the fragrance grains are sequentially burst by friction, temperature, and humidity affecting the leather product, and the fragrance is emitted. Therefore, even if the leather products are washed about 20 times, the fragrance is continuously emitted, so the fragrance can be maintained for about two to three years.

As described above, according to the manufacturing method of the leather having a fragrance according to the present invention, it is possible to promote the purchasing power of consumers by continuously emitting a fragrant aroma rather than a chemical smell in the leather product, the fragrance grains effectively By sticking can improve the performance of the leather, and by removing the smell of the drug from the existing leather products, there is an effect that can improve the consumer's preference for leather products.

Claims (1)

A step of preparing for inspecting or screening the raw materials as well as wearing the raw materials of leather; and Leather forming step of removing the lime and meat of the raw material by mixing the raw materials with various chemicals in the drum and mixing for 15 hours in a state of pH 2.8-3.8 at 20 ℃ temperature; and Dehydration step to reduce the moisture contained in the leather by 50-60% by pressing the leather with a roller; And Using a band knife to cut the leather according to the standard, and the step of adjusting the thickness; And Primary surface processing step of uniformizing the thickness of the leather by processing the surface of the leather using a processing roller; And Leather processing step of putting leather with various chemicals and mixing them for 10 hours in a state of PH 3.8-5.2 at a temperature of 30-45 ℃ to undergo various processes of neutralization, eggplant, and dyeing to give various characteristics of leather; and First drying step to reduce the moisture content of the leather to 27-30% by heating the leather for 30-300 sec at a temperature of 80-100 ℃ using a vacuum dryer or a hot plate; and A second drying step of completely drying the first dried leather with hot air at a temperature of 60-80 ° C. using a hanger dryer; and Secondary surface processing step of forming a brush on the surface of the leather by polishing the surface of the leather by the rotation of the sand paper and maintaining the surface smoothness; And Surface finishing step to adjust the degree of smoothness of the surface by rotating in the drum while the finishing while applying pressure to the leather surface; And Using a spray gun to apply the flavor grains to the surface texture of leather; Injecting the flavor-coated leather into a chamber dryer and applying heat for 10-20 minutes at a temperature of 60-80 ° C. to fix the flavor-grains on the fibers of the leather; And A method of manufacturing a leather having a fragrance that is subjected to a finishing step of inspecting and shipping the leather having the incense grains fixed thereto and molding the product into the leather.