The Rise of the European Emperor

When he actually made the raincoat, Marin realized that his thinking was simple...

Gasoline can indeed dissolve natural rubber. After several hours of dissolution, the sliced ​​raw rubber is basically dissolved in gasoline.

Later, Marin asked the tailor to make raincoats of later styles, made of linen and with a hood. Moreover, there is a brim to keep out the rain in front of the hood.

Cut-out linen raincoats were thrown into a gasoline solution of natural rubber and soaked through. Then, take it out to dry, rinse it off, wash off the gasoline...

The produced raincoat has no problem when testing the rainproof performance. But testing the fire protection link...

After all, it is a raincoat soaked in gasoline, and gasoline is a super durable substance. A raincoat that has been soaked in gasoline for a long time, when it encounters a fire, it is like dry wood meeting a raging fire... Maybe it will be a little more active... Then, the raincoat will soon become a firecoat...

"Flame windbreaker..." Marin suddenly remembered a piece of equipment in a certain game...

This kind of clothes, when worn on a human body, will be attacked by fire...

Forget it, don't mention it... Marin is very frustrated...

"Let's follow the original history..." Marin decided to act as a chemist and come up with the original rubber solvent for making raincoats in history-carbon disulfide...

Speaking of which, carbon disulfide is also flammable. However, the boiling point of carbon disulfide is lower than that of gasoline, only 46.5 degrees. The warm water in the bathhouse can reach this temperature.

After soaking the raincoat, soak it in warm water at 50 degrees to absorb the carbon disulfide gas in the raincoat. Because, this temperature exceeds the boiling point of carbon disulfide.

Even better, it seems that in the vulcanization of rubber, there is a cold vulcanization technology. The method is to dissolve raw rubber in a carbon disulfide solvent with a small amount of sulfur chloride added. And this vulcanization method is generally the vulcanization of film products.

It does not need to add sulfur to the rubber latex for heating, which is very convenient. Moreover, in one step, it can not only vulcanize rubber, but also make raincoat film.

In addition, because it has been vulcanized, it does not have the problem of heat resistance of early raw rubber raincoats. After all, vulcanized natural rubber is heat-resistant, corrosion-resistant and wear-resistant.

Thinking of this, Marin didn't feel troublesome anymore, and immediately started to engage in carbon disulfide. As long as you get it out, you can directly manufacture a mature raincoat in one step.

As for how to make carbon disulfide...

After thinking for a long time, Marin dug out the introduction in the chemistry class from the depths of his memory - using charcoal powder and sulfur to isolate the air and heat it to more than 800 degrees...

This is easier, Marin sent people to build a larger sealed steel furnace. After obtaining carbon disulfide, it is collected through pipelines. The plumbing arrangement is a bit longer with cold water wrapped around it. In this way, after the carbon disulfide gas is cooled below 46.5 degrees, it will become a liquid and flow out. Then, Marin can be collected by people and used to dissolve raw rubber blocks.

As for the poisonous gas leaked from carbon disulfide, Marin said it was not a problem. Because, when he was working on aqua regia, he used activated charcoal and elephant skin to make a gas mask. It's pretty safe as long as the workers are careful. Of course, this production base must be far away from residential areas, lest the gas leak poison the residents on the east coast...

...

With Marin's full theoretical support, the production of carbon disulfide is not difficult. Soon, Marin collected a lot of carbon disulfide liquid. Although the purity is not high, the work he is going to do requires very low purity of carbon disulfide. Then, a piece of modern raincoat was manufactured, all with cold vulcanized rubber skin, not afraid of rain or high temperature...

After this kind of raincoat was manufactured, it was limited to the officers of the Sixth Army, and then it was given to the officers of the British nobles. As for the soldiers and the like, weaving a little bit of scorpion grass is enough. Moreover, the coir raincoat has a certain degree of protection...

What Marin didn't expect was that the later-style raincoats he made seemed to be very popular. This kind of modern raincoat, which is similar to a windbreaker, has a hood and a waist, and is matched with long leather boots, it is called a fashion. Moreover, don't be afraid of rainy days...

Angela asked for a raincoat first. She asked for a red windbreaker-style tunic raincoat, paired with pink leather boots, so she would not be affected by going out in the rain. And then Angela fell in love with walking in the rain - in a trench coat style raincoat...  

Even if it is not raining, wearing this kind of windbreaker with a waist and taking off the hood can also be used as a fashion. With Angela, the grand duchess, taking the lead, the high-ranking nobles of the North Sea Kingdom followed suit and asked Marin for this kind of raincoat with a tunic style. Of course, the color is definitely different.

The women's ones are simple and crude - ask for red or pink, and for men, ask for anything, either gray, or black, or blue...

Moreover, in this era, dyes are basically extracted from plants, and some are extracted from minerals and animals, such as cochineal or something. Therefore, ancient dyes are also relatively expensive. Mainly, it is difficult to collect. Unlike later generations, synthetic dyes of various colors are obtained by chemical means at low cost.

These days, red and blue, which are generally cheap in later generations, are relatively high-end dyes, which are relatively expensive. For example, red, the most important red in Europe now, is extracted from safflower, or made from the carcasses of cochineal insects.

Among them, the dyes used in the red military uniforms of the famous lobster soldiers in later generations are mainly made from the corpses of female cochineal insects. And this cochineal is generally parasitic on cacti in dry areas of the tropics and subtropics.

Obviously, Europe does not have a dry climate suitable for the growth of cacti. Therefore, carmine in Europe is generally imported from the deserts of North Africa or West Asia.

Of course, Mexico right now is also an area rich in cacti. In later generations, Mexico was even called the country of cactus, and it was also a big producer of cochineal. Anyway, Marin intends to vigorously promote the cultivation and production of cochineal in the arid zone of Mexico.

Speaking of cochineal, the British also did a stupid thing - they introduced cactus in arid Australia to breed cochineal. As a result, cacti reproduced wildly in Australia like rabbits, and became a famous invasive plant. Like rabbits, they became a huge pest in Australia...

Marin doesn't have to do such stupid things, as long as he occupies Mexico, the country of cactus, there will be no shortage of cochineal.

As for blue, it seems that there are more indigo grasses in Scotland. For example, when the Scottish hero Wallace resisted the British invasion in the early years, he used the blue juice of the local indigo grass to smear his face, known as the "Celtic Indigo Raider", which is fierce...

But indigo grass requires a lot of land to grow, and no one is willing to use the precious land to grow this thing. Moreover, the blue juice content of indigo grass is also low...

"By the way, Prussian blue!"

Marin suddenly thought of a low-cost dye, the most important thing is - he knows how to produce it. Unlike most dyes in later generations, he didn't know the production method.

Only the legend of Prussian blue, because it is an interesting historical story, and Marin happened to read it before he knew the production method of Prussian blue.

Speaking of it, the production method of Prussian blue is very simple - it is to mix plant ash and ox blood together and roast, then soak the roasted material with water, filter out the insoluble impurities, and then separate out the yellow crystal from the solution. Then put this yellow crystal into ferric chloride solution, and a very bright blue precipitate was produced. This blue precipitation is a very good paint - Prussian blue...

Prussian blue is bright in color, and it is not easy to fade. In addition, the cost is not high. After this dye appeared, the Prussian army began to use this Prussian blue to dye army uniforms. Because the quality of the dye is good and the cost is not high, it is a very good choice for military clothing. It wasn't until before the First World War that Wei Erna's bear boy changed the German army's obedience from Prussian blue to earth gray.

Of course, Wei Er can't be blamed either. Because World War I was already the era of trench warfare. Everyone lay in the pit all day long, and their dirty, earth-gray military uniforms were more suitable for trenches. If it's a Prussian blue uniform, it's easy to see if it's soiled in the trenches...

...

Thinking of this, Marin laughed - there is another way to get rich! Even with the most primitive method of producing Prussian blue, the cost is not high.

For example, plant ash, which is available in every household. As long as you use an earthen stove, there is plant ash. As for cow blood, it's hard to find it in China, because cattle are not allowed to be killed there. But in the North Sea country, Marin imports tens of thousands of cattle from Crimea every year, some of which are used to cultivate land, and a considerable part is used to slaughter and eat beef. Therefore, there is absolutely no shortage of cow blood, and the cost is not high. Ferric chloride is not a rare thing, it is easier to get. With Marin's chemical knowledge, it is still very easy to do. In this way, the production of Prussian blue will be no problem.

Then, Marin also began to think about—is it necessary to change all the Beihai army to blue uniforms? After all, the white vest is too easy to be copied, it's a bit low...

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