Examples of 'neopentyl' in a sentence
Meaning of "neopentyl"
Neopentyl is a chemical compound used in organic chemistry. It consists of a five-carbon chain with three methyl groups attached to a central carbon atom
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- A univalent radical derived from neopentane.
How to use "neopentyl" in a sentence
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neopentyl
Neopentyl glycol will more particularly be used.
The most preferred glycol is neopentyl glycol.
Neopentyl diglycidyl ether was used as the epoxy.
Polyols comprising a substituted neopentyl group are particularly preferred.
Neopentyl glycol was chosen as a commonly used diol.
Especially preferred is neopentyl and isobutyl.
Neopentyl chloride was formed without contamination by rearrangement products.
The most preferred chain extender is neopentyl glycol.
Neopentyl glycol and trimethylolpropane are especially preferred polyols.
This was added to the resin as dibromo neopentyl glycol.
Dichloro and diiodo neopentyl oxetanes have also been reported.
Neopentyl glycol is further preferred.
Preference extends to neopentyl glycol.
Neopentyl glycol was most preferred and used in the examples herein.
Additionally preferred is neopentyl glycol.
See also
Neophyl chloride is a neopentyl halide which means it is subject to the neopentyl effect.
The second amino acid may have a neopentyl side chain.
Neopentyl glycol and other corresponding alcohols have conventionally been prepared by two processes.
Preferably the polyhydric alcohols are neopentyl glycol and propyleneglycol.
Ethylene glycol and neopentyl glycol are particularly preferred among the aforementioned divalent aliphatic alcohol compounds.
Particular preference is given to trimethylene carbonate and neopentyl glycol carbonate.
Most preferred are neopentyl glycol and bisphenol A or a mixture of these compounds.
The branched chain aliphatic diol is most preferably neopentyl glycol.
It has been discovered that mixtures of neopentyl glycol and HPN form a eutectic material.
The invention relates to a process for the preparation of neopentyl glycol.
Neopentyl glycol diethyl hexanoate sold by the company Stéarineries Dubois.
Preferably the polyhydric alcohols are neopentyl glycol and propylene glycol.
A neopentyl alcohol such as neopentylglycol, dimethylolpropane, or preferably pentaerythritol.
A particularly useful mixture is a mixture of ethylene glycol and neopentyl glycol.
Among these compounds, neopentyl glycol is preferred.
In another embodiment of the present invention the organic modifier is neopentyl alcohol.
Suitable starter alcohols are neopentyl glycol, ethylene glycol, or trimethylolpropane.
More specifically, it features three primary alcohol groups in a compact neopentyl structure.
The most preferred polycaprolactones are neopentyl glycol-initiated polycaprolactones.
The crude product was purified by distillation, furnishing the desired neopentyl ketal.
Tris-perfluoroalkyl terminated neopentyl alcohols have not been previously described.
A process according to claim 3, wherein the direactive diluent is neopentyl diglycidyl ether.
For example, propoxylated neopentyl glycol diacrylate is considered a di-functional monomer.
In one embodiment, the second polyester polyol specifically excludes neopentyl glycol.
Decanoic acid, mixed esters with neopentyl glycol and octanoic acid.
This invention relates to a method of making tris-perfluoroalkyl terminated neopentyl alcohols.
When powdered resin coatings are made, neopentyl glycol is often used in substantial amounts.
Examples of aliphatic polyols include, inter alia, trimethylpentanediol and neopentyl glycol.
The di - or triglycidyl ethers of cyclohexane dimethanol, neopentyl glycol and trimethylolpropane are preferred.
Preferably, neopentyl glycol hydroxypivalate is not used as polyol according to the present invention.
Dimethyltrimethylene diacrylate; neopentyl glycol diacrylate.
In this case, neopentyl glycol dimethacrylate and other polyfunctional monomers may be used together.
Most preferably, the glycol is a mixture of diethylene glycol and neopentyl glycol.
Bis ( allyl carbonate ) of neopentyl glycol monomer or mixture of monomer and relative oligomers.
The expression “ weak branching ” means the absence of tertiary and neopentyl carbons.
