Examples of 'polyhydroxy compounds' in a sentence
Meaning of "polyhydroxy compounds"
polyhydroxy compounds: Compounds that contain multiple hydroxyl (-OH) functional groups
How to use "polyhydroxy compounds" in a sentence
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polyhydroxy compounds
Preferred compounds are polyhydroxy compounds such as sugars.
These polyhydroxy compounds are commonly used in intravenous infusion.
Polyglycidyl ethers of polyhydroxy compounds are preferred.
Polyhydroxy compounds and starch derivatives are especially preferred.
Mixtures of any of the above polyhydroxy compounds can be utilized.
Polyhydroxy compounds having cyclic structure are not mentioned.
Polyurethanes are polymers formed by reaction of polyisocyanates with polyhydroxy compounds.
Sugars or polyhydroxy compounds are no longer required.
The contemplated epoxy resins are glycidyl ethers of polyhydroxy compounds.
Phosphorylation of the polyhydroxy compounds can be controlled by careful selection of reaction conditions.
Methods for preparing ethylene glycol from polyhydroxy compounds.
Other examples of polyhydroxy compounds that may be used are hyaluronic acid and polyethylene glycols.
The epoxy resin can be defined as glycidyl ethers of polyhydroxy compounds.
In a preferred embodiment, polyhydroxy compounds are the bulking agent of choice.
Preferred plasticizers are non-volatile polyhydroxy compounds.
See also
In one embodiment, the polyhydroxy compounds are neo polyhydroxy compounds.
The invention provides methods for producing ethylene glycol directly from polyhydroxy compounds using composite catalysts.
Also, blends of polyhydroxy compounds may be used in this invention.
The polyol esters may be obtained by reacting various polyhydroxy compounds with carboxylic acids.
More preferred polyhydroxy compounds are disaccharides, polysaccharides and sugar alcohols.
It is believed that the vesicles containing biodegradable quats and polyhydroxy compounds e . g.
Suitable water-soluble polyhydroxy compounds can be represented by the following structure,.
The water-soluble matrix material comprises mainly polysaccharide and polyhydroxy compounds.
Mixtures of the above-described polyhydroxy compounds may also be used.
Thus the polyhydroxy compounds useful in the invention comprise compounds of the formulae,.
Trihydroxy, dihydroxy, monohydroxy or even polyhydroxy compounds may be substituted for the glycerol.
Suitable polyhydroxy compounds include polyhydroxy polyesters, polyhydroxy polyethers and polyhydroxy polyacrylates.
The water-activated matrix material comprises mainly polysaccharide and polyhydroxy compounds.
Examples of suitable polyhydroxy compounds are trimethylol propane, glycerol, neopentyl glycol and pentaerythritol.
The invention provides methods according to claim 1 for producing ethylene glycol from polyhydroxy compounds.
Particularly preferred polyhydroxy compounds are the sugar alcohols mentioned above, like sorbitol.
Representative examples of suitable non-polymeric polyols include alkylene glycols, polyhydroxyalkanes, and other polyhydroxy compounds.
Examples of suitable polyhydroxy compounds are trimethylol propane, glycerol, neopentyl glycol and pentaerithritol.
Suitable plasticizers and flexibilizing agents include liquid polyhydroxy compounds such as glycerol, monacetin, diacetin, etc.
These higher functional polyhydroxy compounds include, for example, trimethylolpropane, trimethylolethane and pentaerythritol.
Preferably, the Mixtures of any of the above polyhydroxy compounds can be utilized.
Polyhydroxy compounds may include aliphatic polyhydroxy compounds, cycloaliphatic polyhydroxy compounds, and aromatic polyhydroxy compounds.
The table below list examples of polyhydroxy compounds useful for use in the present invention,.
The polyhydroxy compounds include trimethylolalkanes, such as trimethylolmethane, trimethylolethane, trimethylolpropane, and trimethylolbutane.
Physical state of mixtures of quats / polyhydroxy compounds / water.
However, many other suitable polyhydroxy compounds can also be used depending upon the desired application.
Examples 2-10 were addition products of glutaraldehyde and various polyhydroxy compounds of carbohydrates and polyols.
The above polyhydroxy compounds are reacted with carboxylic acylating agents to form the esters ( B ).
Example 3 - Catalystic degradation of polyhydroxy compounds.
Preferably the polyhydroxy compounds are chosen such that the reaction product ( A ) is not significantly crosslinked.
The results for catalytic conversion of polyhydroxy compounds are shown in Table 4 . TABLE 4.
Preferred are polyhydroxy compounds derived from polysaccharides having from 1 to 15 saccharide units.
Suitable plasticizers include liquid polyhydroxy compounds such as glycerol, monoacetin, diacetin, etc.
The polyhydroxy compounds are preferably alcohols, plant-type sugars, lactones, monoethers, and acetals.
TABLE 2 Conversion of various polyhydroxy compounds in the presence of Ru / AC.
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