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[Chemical Knowledge]：What are the upstream raw materials for glycerol? What do the downstream products contain?

Read： 650 Time：14months ago Source：Transform the World with Simplicity

Glycerol, also known as glycerin, is a kind of polyol with three hydroxyl groups, which is widely used in chemical industry, food, medicine and other fields. In the field of chemical production raw materials, there are many upstream and downstream related products of glycerol, some of which are described in detail below.

1. Upstream product
The production of
glycerol is mainly made of crude glycerol as a by-product of biodiesel, which is refined through processing. In addition, glycerol can also be prepared by chemical synthesis methods, such as acrolein reduction method, epichlorohydrin hydrolysis method, etc. Therefore, the upstream products of glycerol mainly include crude glycerol, acrolein, epichlorohydrin and the like as by-products of biodiesel.

2. Downstream product

(1) Nitroglycerin

Nitroglycerin is one of the important downstream products of glycerol, which is prepared by the reaction of glycerol and nitric acid. Nitroglycerin can be used as explosives, rocket propellants, etc., with high energy and explosive power.

(2) Propylene Glycol

Propylene glycol is one of the downstream products of glycerol and is produced by catalytic hydrogenation of glycerol. Propylene glycol is an important organic chemical raw material, which is widely used in medicine, cosmetics, food additives and other fields.

(3) glyceride

glyceride is a compound prepared by the reaction of glycerol and fatty acid, which is widely used in food, medicine, daily chemical and other fields. Common glycerides include triglycerides, monoglycerides, and the like.

(4) Polyether polyol

Polyether polyol is a compound formed by the addition polymerization of glycerol and ethylene oxide, propylene oxide and other epoxides, and is widely used in the production of polyurethane foams, elastomers, adhesives, etc.

In short, as an important chemical raw material, glycerol has many upstream and downstream related products and is widely used in various fields. With the continuous development of science and technology, the application field of glycerol will continue to expand.

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