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What purpose does the addition of a few drops of water serve in the procedure for the synthesis of polyurethane?
Wiki User
∙ 9y ago
"Water reacts with the toluene diisocyanate to produce carbon dioxide gas bubbles that expand the polyurethane as it polymerizes. "
Wiki User
∙ 9y ago
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Why does dehydration synthesis occur?
Dehydration synthesis is the process where water is removed from a cell for the purpose of joining two cells together. It is often used to join two monosaccharides into a disaccharide.
What is the purpose of borax in bath fizzies?
Borax is a water softener. In addition it has antimicrobial properties
How do you add more Hydrogen ion to soil?
I would imagine by the addition of a suitable acidic compound designed for this purpose.
What is the purpose of Volhard titration?
This is an indirect titration procedure for the determination of anions that precipitate with silver like CL-, Br-, I-, SCN-, and it is preferred in acid (HNO3) solution
What was the purpose of the sodium hydroxide in this schotten-baumann?
Addition of a base is required to absorb acidic proton (chloride acid) that formed from alcohol and tosylate, or the reaction will not proceed
Know that one purpose of dna is protein synthesis making protiens?
Yes, one practical purpose of DNA is protein synthesis
What is the purpose of polyurethane when finishing lumber?
Polyurethane is a sealant; it keeps water from absorbing into the wood by filling the microscopic pores and grains. If water enters the wood, it can warp and become unstable.
What is the purpose of the cDNA synthesis?
The purpose of cDNA synthesis is to synthesize a copy of DNA from mRNA. This means that it is involved in the duplication of DNA that occurs when a cell divides. As a result, without cDNA synthesis, life would not exist as cells would not be able to divide.
How do you dustproof concrete blockwork?
To dustproof concrete blockwork, you will need to apply a sealer. Polyurethane is a popular sealer for this purpose.
In nondividing cells DNA synthesis occurs?
no. the purpose of dna synthesis is to ensure transmission of genetic material to new daughter cells.
What is the purpose of the procedure?
The purpose of Parliamentary Procedure is to keep a meeting running smoothly and to make sure everyone has a fair say in what is proposed to do.
What is the purpose of the light dependent portion of the energy synthesis pathway in plants?
fer
What is the purpose or function of ribosomes?
Protein synthesis. Ribosomes are the " workbench " on which proteins are synthesized.
What is the propose of tRNA?
The purpose of tRNA is to provide with the anticodon and amino acids in protein synthesis.
What is the purpose of general format and layout?
The purpose of the general format and layout is that it gives you a standard procedure.
What is purpose of ribosomes?
They are the site for protein synthesis, mrna from inside the nucleus is transcribed into amino acids at the ribosomes.
Why does dehydration synthesis occur?
Dehydration synthesis is the process where water is removed from a cell for the purpose of joining two cells together. It is often used to join two monosaccharides into a disaccharide.
