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What is a polymer that Cannot be reheated?
A polymer that cannot be reheated is known as a thermosetting polymer. Unlike thermoplastic polymers, which can be melted and reshaped upon heating, thermosetting polymers undergo a chemical change during the curing process, resulting in a rigid and inflexible structure. This permanent set means they cannot be re-melted or re-formed once cured. Examples include epoxy resins and phenolic resins.
What kind of phenolic resins resol or novolac are suitable for making phenolic foam?
i make the phenolic foam out of both of them in the same formula it works out fairly well but i am engineering it to get top performance out of the polymers.
What is an arylsulfotransferase?
An arylsulfotransferase is a sulfotransferase enzyme which transfers a sulfate group from phenolic sulfate esters to a phenolic acceptor substrate.
Is phenolic thermosetting or thermoplastic?
Thermoset
Is phenolic UV resistant?
Phenolic resins are generally not very UV resistant and can degrade when exposed to sunlight, which can lead to discoloration, embrittlement, and loss of properties. To enhance UV resistance, additives or coatings can be used to protect phenolic materials from UV radiation.
What is a polymer that Cannot be reheated?
A polymer that cannot be reheated is known as a thermosetting polymer. Unlike thermoplastic polymers, which can be melted and reshaped upon heating, thermosetting polymers undergo a chemical change during the curing process, resulting in a rigid and inflexible structure. This permanent set means they cannot be re-melted or re-formed once cured. Examples include epoxy resins and phenolic resins.
What is biphenol a?
A biphenol is any compound which has two phenolic hydroxy groups, such a phenolic derivative of biphenyl.
What kind of phenolic resins resol or novolac are suitable for making phenolic foam?
i make the phenolic foam out of both of them in the same formula it works out fairly well but i am engineering it to get top performance out of the polymers.
What is an arylsulphotransferase?
An arylsulphotransferase is a a sulphotransferase enzyme which transfers a sulphate group from phenolic sulphate esters to a phenolic acceptor substrate.
What is an arylsulfotransferase?
An arylsulfotransferase is a sulfotransferase enzyme which transfers a sulfate group from phenolic sulfate esters to a phenolic acceptor substrate.
Why incubate the samples at 37C in the total phenolic assay?
Incubating the samples at 37°C in the total phenolic assay helps to promote the activity of the enzymes responsible for phenolic compound extraction and detection. This temperature mimics physiological conditions and enhances the efficiency of phenolic compound extraction from the sample matrix.
Which amino acids in protein contain a phenolic group?
Tyrosine is the amino acid in proteins that contains a phenolic group. Phenolic groups are characterized by a hydroxyl group attached directly to an aromatic ring. Tyrosine has an aromatic ring with a hydroxyl group attached to it, making it a phenolic amino acid.
Is phenolic thermosetting or thermoplastic?
Thermoset
What is the biological effect of phenolic compound?
The phenolic compound has a great effect on one psychological state. However, this is not the only effect is has on people.
What does a phenolic odor smell like?
A phenolic odor smells like a strong, chemical-like scent similar to disinfectants or antiseptics.
How do you paint phenolic resin material?
Phenolic resins are used in the production of circuit boards. Phenolic resin based paints are mainly metal paints, formed with the combination of epoxy resins. You can apply these paints on metals with different techniques.
What digestive enzymes break down phenolic acids?
Phenolic acids are primarily broken down by digestive enzymes such as phenolic acid decarboxylases and certain glycosidases. These enzymes help to hydrolyze the ester and glycosidic bonds in phenolic compounds, facilitating their absorption in the gastrointestinal tract. Additionally, gut microbiota also play a significant role in metabolizing phenolic acids through fermentation processes, producing various metabolites beneficial for health.
