Diamine - Wikipedia
网页A diamine is an amine with exactly two amino groups. Diamines are used as monomers to prepare polyamides , polyimides , and polyureas . The term diamine refers mostly to primary diamines, as those are the most reactive.
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Diamine Fountain Pen Inks and Samples - The Goulet Pen Company
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Diamine Oxidase (DAO): Benefits, Dosage, and Safety - Healthline
网页2023年7月13日 · Diamine oxidase (DAO) is an enzyme that helps break down excess histamine in your body, thus easing uncomfortable symptoms, such as nasal congestion, itchy skin, headaches, and sneezing.
Diamine Definition & Meaning - Merriam-Webster
网页2024年4月23日 · The meaning of DIAMINE is a compound containing two amino groups.
23.1. Properties of amines | Organic Chemistry II - Lumen Learning
网页An organic compound with multiple amine groups is called a diamine, triamine, tetraamine and so forth, based on the number of amine groups (also called amino groups) attached to the molecule. The chemical formula for methylene diamine (also called diaminomethane), for example, would be as follows: H 2 N-CH 2 -NH 2.
Diamine Biosynthesis: Research Progress and Application Prospects
网页2020年11月10日 · Diamine is one of the important raw materials to use for producing nylon plastics. The change of its production mode has an important impact on the production of nylon in the industry. At present, the main purpose of most bio-based diamine research is the production of bio-based nylon.
Diamine Ink - Mountain of Ink
网页2017年7月23日 · Diamine Ink. Diamine ink is made in Liverpool, England. Here are swabs for all of the Diamine inks I have reviewed so far. If you click on the swab it will take you to the review of that ink. I will update this page every time I review a Diamine ink.
Diamine - an overview | ScienceDirect Topics
网页The four basic polyamines in mammals and in human are putrescine, cadaverine, spermidine, and spermine. Putrescine and cadaverine are primary diamines, 1,4-diaminobutane, and 1,5-diaminopentane, respectively. Cadaverine is usually a product of bacteria in the gut.
Diamine | chemical compound | Britannica
网页In rubber: Protective chemicals. However, certain diamines (e.g., alkyl-aryl paraphenylene diamines) prevent cracking, probably by competing with the C=C bonds in rubber for reaction with ozone. These antiozonants “bloom” to …