Examples of 'dihydric alcohol' in a sentence
Meaning of "dihydric alcohol"
Dihydric alcohol: a chemical compound that contains two hydroxyl (OH) groups in its molecule, commonly used as solvents or intermediates in chemical synthesis
How to use "dihydric alcohol" in a sentence
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dihydric alcohol
Preferably the polyhydric alcohol is a dihydric alcohol.
The diarylcarbonate and dihydric alcohol are first mixed in a reactor vessel.
The alcohol starting material is preferably a monohydric or dihydric alcohol.
The preferred dihydric alcohol to be employed in the advancing reaction is monoethyleneglycol.
The polyesters are polycondensation products of an aromatic dicarboxylic acid and dihydric alcohol.
Dihydric alcohol such as ethylene glycol or propylene glycol may be added to those skeletons.
The polyester prepolymer reactant may be made with any diacid and dihydric alcohol or polyether.
The dihydric alcohol esters the products Nos.
Each polyester comprising a combination of a dicarboxylic acid and a dihydric alcohol has an intrinsic melting point.
And a dihydric alcohol having the formula,.
The polyhydric alcohol is preferably a dihydric alcohol and / or a trihydric alcohol.
If a dihydric alcohol is utilized, then a glycol or a derivative thereof, is preferred.
The polyhydric alcohol is typically a dihydric alcohol ( also called glycol or diol ).
The organic solvent is suitably an alcohol, which is preferably a monohydric or a dihydric alcohol.
A diol, glycol, or dihydric alcohol is a chemical compound containing two hydroxyl groups.
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The process of any of claims 1 to 3 wherein said dihydric alcohol is diethylene glycol.
The dihydric alcohol can be an alkane diol, preferably having from 2 to 8 carbon atoms.
In the case of polyester, the recovered monomers can be a dicarboxylic acid and a dihydric alcohol.
In certain embodiments, where is derived from a dihydric alcohol, the dihydric alcohol comprises a polymeric diol.
Sometimes mixtures of ethylene oxide and propylene oxide are reacted with a mono - or dihydric alcohol.
Alternatively, the dihydric alcohol can be a cycloalkane diol, preferably having from 5 to 8 carbon atoms.
More preferably the reaction product contains 4 to 8 moles dihydric alcohol per mole of metal M.
Dihydric alcohol ester plasticizers Diethylene glycol dibenzoate, triethylene glycol di-2-ethyl butyrate.
In certain embodiments where aliphatic polycarbonate chains have a structure P2, K is derived from a dihydric alcohol.
A polyurethane according to claim 19 wherein the compound ( d ) is a dihydric alcohol having a carboxyl group appended thereto.
Dihydric alcohol esters diethylene glycol dibenzoate, triethylene glycol di-2-ethylbutyrate, and the like.
The reaction mixture according to claim 15, wherein is derived from a dihydric alcohol.
Example of the dihydric alcohol include ethylene glycol, propylene glycol, butane-1,4-diol and hexamethylene glycol.
Ethylene glycol ( EG ) was used as a second dihydric alcohol.
In certain embodiments, where Ⓩ is derived from a dihydric alcohol, the dihydric alcohol comprises a C2-40 diol.
Component ( E-2-c ) may be at least one lower aliphatic alcohol, preferably a monohydric or dihydric alcohol.
The process of any of claims to 3 wherein said dihydric alcohol is 1,4-butanediol.
Component ( B-2-c ) may be at least one lower aliphatic alcohol, preferably a monohydric or dihydric alcohol.
Component ( C-2-c ) may be at least one lower aliphatic alcohol, preferably a monohydric or dihydric alcohol.
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Dihydric phenols are preferred for advancement reactions
Examples of suitable dihydric phenols are listed above
Such polyoxyalkylene alcohols are generally dihydric alcohols
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