It comes from synthetic polymers made from esters of dihydric alcohol and ... fabrics requires a lot of chemicals such as ...

To make an ester, a hydrogen atom must be removed from the hydroxyl group (–OH) of the alcohol. The –OH portion of the acid's carboxyl group must also be removed. The hydrogren atom and the ...

(A) This is the structure of stearic acid, an 18-carbon saturated fatty acid. The normal numbering system, starting with the carboxylic acid, is shown in blue. The carbons and oxygens of the ...

Shrink Film / Wrap Shrink wrap is a plastic film, usually polyethylene, polypropylene, or polyvinyl chloride, which is wrapped loosely about another product or container and then made to shrink ...

A duodenal ulcer occurs in the duodenum, which is the tube leading out of the stomach. Too much acid being made in the stomach can cause these ulcers. Zoton FasTabs is also used to help stop ...

The vulcanizing agent is a crosslinking compound or catalyst. Silicones use moisture, acetic acid and other compounds as curing or vulcanizing agents. Pressure sensitive adhesives (PSA) adhere to most ...

Chemically, an amino acid is a molecule that has a carboxylic acid group and an amine group that are each attached to a carbon atom called the α carbon. Each of the 20 amino acids has a specific ...

Esters are formed by the condensation reaction between an alcohol and a carboxylic acid. This is known as esterification. In a condensation reaction, two molecules join and produce a larger ...