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Text Chapter 279 Wool Cleaning

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    Chapter 279 Wool Cleaning

    Seeing that even the dean had spoken, Chief Shi finally believed that he really stinked, and hurriedly saluted Li Min, and then left in a hurry.  Looking at the other party's back, Yuan Tiangang smiled and explained: "Your Highness, Shi Yi is a slovenly man, but he is extremely talented in alchemy and chemistry. He is now the most accomplished person in the Chemistry Academy.  The highest, and this research on textile material substitution is also based on him.¡±

    Yuan Tiangang was afraid that Li Min would blame him, so he hurriedly explained the explanation for First Master Shi. However, Li Min laughed and said: "Daoist Yuan does not need to explain. First Master Shi concentrated on his research and forgot to take care of himself. This made me extremely admired."  !¡±

    Yuan Tiangang felt relieved when he saw that Li Min's tone of voice was indeed sincere, and immediately led Li Min into the teaching building.  As soon as he entered, Li Min found that the smell inside was even more unpleasant, but compared to the stench on the body of Chief Shi, it was still worse.

    This is obviously not an ordinary teaching building, and there are no teaching facilities such as a podium. For example, in the classroom on the first floor, there are piles of wool. Although the wool looks similar, if you look closely,  But you can find the difference in color and fiber thickness.

    Going up the stairs to the second floor, Li Min was shocked by what he saw here. In the entire large classroom on the second floor, there was a large cement pool in the middle. The pool was filled with a gray-white liquid, and the liquid  There was a pungent stench coming out of the room, and now Li Min finally understood the source of the stench on Chief Shi.

    Surrounding this large cement pool, there are more than a dozen small cement pools. Next to each cement pool, there are some people dressed as students busy, some of whom are holding thick wooden sticks, and they are in the cement pool.  The stirring stopped, and some people picked out some wool on the ground, and then threw it into various cement pools, while recording something in the notebook next to it.

    Seeing the impact in front of them, Li Min and the others did not go in to disturb them. In fact, the main reason was that the second floor was too smelly, especially when the apprentices were stirring in the cement pool, the pungent smell was even more arousing.  vomit.

    "Your Highness, textile factories now use cotton as raw material for weaving. However, due to time constraints, the cotton production is insufficient. For this reason, we want to use other materials to replace cotton. After many screenings, we decided to use grassland with the highest yield.  Instead of high-quality wool, if you want to use wool for textiles, you have to solve the first problem, which is the cleaning of wool!" Yuan Tiangang pointed to the busy students inside.

    "Cleaning, what's so difficult about it?" Li Min was stunned after hearing this. He knew that wool weaving was very common in later generations, but in the Tang Dynasty, wool could only be made into thick and heavy wool felt.  He never asked about the key reason why wool was used as a textile material.

    "Your Highness doesn't know that the reason why wool cannot become a textile material like cotton is that cleaning is the most critical step. Because wool grows on the sheep's body, it is contaminated with a lot of sediment, as well as sweat stains, grease and other substances from the sheep.  , especially the grease in it, sticks a lot of sediment to the wool, causing the wool to form hard lumps. If there is no way to remove the grease on the wool, weaving will be impossible." Yuan Tiangang explained.

    "Oh, so that's it. No wonder the barbarians on the grassland can only use wool to make heavy wool felt." Li Min said to himself after hearing this.  In fact, the nomads on the grasslands mainly use large amounts of sheepskins for commercial exchange with the Central Plains. Things like wool are basically like garbage. Except for a small amount that is made into wool felt, the rest can only be discarded.

    While they were talking, the First Chief Shi who had gone to clean up just now finally came back. However, when Li Min saw the First Chief Shi again, he was immediately stunned. He saw the clean and groomed First Chief Shi, who was about thirty years old.  , with a face as white as jade, and three long strands of beard flowing under his chin, he looks extremely handsome. Although the Taoist robe he is wearing is still very shabby, it is at least much cleaner. Looking from a distance, he does feel a bit like a Taoist immortal.  It is completely different from the sloppy image before.

    After Chief Shi greeted Li Min again, he began to explain the whole process of hair washing to Li Min in detail.  In fact, Li Min doesn't care much about the process. After all, he doesn't know much about these things. What he values ??most is the result, whether the cleaned wool can meet the textile requirements, what is the cost of such cleaning, and whether it has commercial value.  ?  These are what he cares about most.

    However, although Li Min was not interested, he still pretended to be listening attentively. Although he couldn't understand most of them, he could understand some of the basic principles. It was nothing more than controlling the temperature and stirring speed in alkaline water.  Remove the grease from the wool, and different types of wool have different treatment methods.  However, these detailed treatmentsThe process was a mess in his mind.

    With great difficulty, they endured the stench as Chief Shi explained the detailed process. Finally, they arrived at the third floor, where the stench was much lighter.  I saw Shi Yiyi pointed at a row of shelves placed next to the wall and said: "Your Highness, please look, this is our experimental sample display room. We will store the samples of each experiment here!"

    "Shi Daochang said, walking over and picking up a small glass bottle from the shelf. There was a ball of soft and yellowish wool in the bottle.  On the shelf behind Shi Yi, there were probably hundreds of such bottles in total.

    Li Min and others were shocked when they looked at the glass bottles. They didn't expect that a small washing process would require people like Shi Yi to conduct hundreds of experiments. This sounds amazing.  I can¡¯t believe it, but luckily, they finally succeeded.

    At this time, I saw Shi Yiyi walked to the end of the shelf, picked up the bottom bottle, then walked to Li Min, pointed to the soft and white wool in the bottle and said with a smile: "Your Highness, please look, this is our final process  Although the wool sample obtained is not perfect yet, it can be used as textile material!"

    Li Min also took the glass bottle with some excitement, gently opened the lid and took out the wool inside, then took out a strand and rubbed it on his hands. He found that the wool fiber was thicker than cotton fiber, but as a spinning material  Still no problem.

    "Okay, Shi Daochang, wool is indeed an excellent textile material, but what about the cost of washing wool? If it is too expensive, I am afraid it will not be cost-effective!" Li Min praised first, and then impatiently said  Ask him the question that concerns him the most.

    "Don't worry, Your Highness, the various materials used in this washing process are very common, and the student union below is also optimizing the washing process, striving to use the least materials and wash out the most wool, so the cost is extremely low, but this cost is  The purchase price of the wool is not included. After all, although the current wool is not valuable, if it is purchased in large quantities, the wool-rich grassland tribes will definitely raise the price." Master Shi is truly a talent, even for future commercial applications.  I got it.

    "Haha, don't worry about this little bit of stone. I will take care of it myself. You just need to figure out the entire hair washing process." Li Min said excitedly, but then he thought of something else and hurriedly asked: "That's right.  , have you applied for a patent for this wool washing?"

    "Your Majesty, we have already applied!" Shi Yi said with a smile, patent rights are a good thing, and their School of Chemistry will all have to rely on patents in the future.

    "Okay, now I will give you two choices. The first is that I will pay 200,000 yuan to buy out your patent in one go. The second is that you retain the patent rights, and those of us who use the wool washing patent will pay you patent fees.  , which one do you choose?" Li Min said very proudly, two hundred thousand guan is not a small amount even now, it is almost enough to build another Taoist academy.

    When they heard that Li Min was willing to spend 200,000 yuan to buy the patent, Yuan Tiangang and Shi Yiyi looked happy. Again, their Taoist academy was still in its infancy, although Li Min paid for its construction.  I entered Taoist College, and there are still one year's maintenance expenses, but these expenses are only enough to maintain it. If I want to do other things in the college, I can't squeeze out the money at all.

    For example, the research on wool cleaning done by Yi Daochang Shi did not require a lot of money, but it was still difficult for Yuan Tiangang to come up with it. For this reason, Yi Daochang Shi almost tried every means and even sold his personal property.  , even if the Taoist robe on his body is torn, it is not worth replacing. This shows how embarrassed he is.

    "Your Highness, we will choose the first one and sell the patent to you in one go!" Chief Shi discussed with Yuan Tiangang for a moment and immediately made a decision. Although they also knew that collecting patent fees would lead to greater profits,  But under the current circumstances, they need the money to spend on research in various aspects.

    "Okay, be happy. I will order a check from Datang Bank in the afternoon. You can exchange it at any time!" Li Min also said with great joy. He had long known that Yuan Tiangang would choose to pay it all in one lump sum first.

    After acquiring the patent rights for wool cleaning, Li Min then visited several projects being researched, such as the new sheepskin tanning method related to wool washing, and the utilization of lanolin collected after wool washing, etc. Some of these projects have already been  The research was successful, and Li Min also gave corresponding purchase prices according to the size of the business prospects. However, the business prospects of these projects cannot be compared with wool textile, so the prices are not too high.

    After visiting the College of Chemistry, Yuan Tiangang took Li Min to his residence in the college. In addition to him, he was accompanied by Li Chunfeng. As for the head of the school, Shi Yiyi, he had already gone back to lead his students to perfect the washing process.

    But just after Li Min sat down and sipped his tea, he suddenly turned to Li Chunfeng.He said: "Brother Chunfeng, we have finished visiting Daochang Yuan's School of Chemistry. Isn't it time to take a look at the new things you have researched?" (To be continued.
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