Abstract: The present invention relates to a polythiol composition that includes (a) a polythiol compound (A) having at least two thiol groups; and (b) a nitrogen-containing compound (B) represented by the following Formula (I), In Formula (I), —S—R is a residue of the polythiol compound (A). A peak area of the nitrogen-containing compound (B) is equal to or less than 3.0, with respect to a peak area of 100 of the polythiol compound (A). Each peak area for compounds (A) and (B) is determined by high performance liquid chromatography analysis. The present invention also relates to a polymerizable composition that includes the polythiol composition, and polymerizates thereof.

Abstract: An exemplary polymerizable thermosetting composition includes the reaction product of (a) allyl alcohol; (b) a cyclic polyol selected from the group consisting of a cycloaliphatic polyol having at least one secondary hydroxyl group, a heterocyclic polyol having primary and/or secondary hydroxyl groups, and mixtures thereof; (c) ethyleneglycol bischloroformate; and (d) optionally, at least one linear or branched aliphatic polyol having two to six hydroxyl groups. The allyl alcohol (a) is present in an amount of 0.4 to 1.99 equivalents of OH to 1 equivalent chloroformate, and the cyclic polyol (b) is present in an amount of 0.01 to 0.6 equivalents of OH to 1 equivalent of chloroformate. A reaction product, a polymerizate including the polymerizable thermosetting composition, and an optical article including the polymerizable thermosetting composition are also provided.

Abstract: An exemplary polymerizable thermosetting composition includes the reaction product of (a) allyl alcohol; (b) a cyclic polyol selected from the group consisting of a cycloaliphatic polyol having at least one secondary hydroxyl group, a heterocyclic polyol having primary and/or secondary hydroxyl groups, and mixtures thereof; (c) ethyleneglycol bischloroformate; and (d) optionally, at least one linear or branched aliphatic polyol having two to six hydroxyl groups. The allyl alcohol (a) is present in an amount of 0.4 to 1.99 equivalents of OH to 1 equivalent chloroformate, and the cyclic polyol (b) is present in an amount of 0.01 to 0.6 equivalents of OH to 1 equivalent of chloroformate. A reaction product, a polymerizate including the polymerizable thermosetting composition, and an optical article including the polymerizable thermosetting composition are also provided.

Abstract: An exemplary polymerizable composition includes the reaction product of (a) diethyleneglycol bischloroformate; (b) allyl alcohol; (c) a cyclic polyol selected from the group consisting of a cycloaliphatic polyol having at least one secondary hydroxyl group, a heterocyclic polyol having primary and/or secondary hydroxyl groups, and mixtures thereof; (d) optionally, ethyleneglycol bischloroformate; and (e) optionally, at least one linear or branched aliphatic polyol having two to six hydroxyl groups. Another exemplary polymerizable composition includes the reaction product of (a) allyl alcohol; (b) a cyclic polyol selected from the group consisting of a cycloaliphatic polyol having at least one secondary hydroxyl group, a heterocyclic polyol having primary and/or secondary hydroxyl groups, and mixtures thereof; (c) ethyleneglycol bischloroformate; and (d) optionally, at least one linear or branched aliphatic polyol having two to six hydroxyl groups is also described.

Abstract: The invention describes processes to selectively remove or reduce the mineral acid content substantially from compositions comprising a solvent and levulinic acid, wherein the levulinic acid was derived from the reaction between various biomass materials and a mineral acid or an organic acid catalyst.

Abstract: The invention describes methods of preparation and compositions of plasticizers. The plasticizers include at least 2 alkyl ketal ester moieties and have a molecular weight of greater than 300. In one aspect, the alkyl ketal ester moieties are levulinic ester ketals. Certain compositions contain at least one of an antioxidant, a UV stabilizer, a thermal stabilizer or mixtures thereof, present in the composition from about 0.01 to about 5.0 percent by weight of the total composition.

Abstract: A method for producing a product that comprises glycerol ketal of ethyl levulinate or propylene glycol ketal of ethyl levulinate comprises reacting either glycerol or propylene glycol with ethyl levulinate in the presence of a homogenous or heterogeneous catalyst system in a reactor system. The ethyl levulinate and either glycerol or propylene glycol are heated to remove water, polyol, and excess ethyl levulinate. The excess ethyl levulinate and polyol is recycled back to the reactor. The product is distilled in a specific fashion and optionally treated by means of a stabilizing agent or acid species removal bed, to obtain a composition comprising glycerol ketal of ethyl levulinate or propylene glycol ketal of ethyl levulinate wherein the composition comprises less than or equal to about 2 wt % contaminants.

Abstract: An exemplary polymerizable composition includes the reaction product of (a) diethyleneglycol bischloroformate; (b) allyl alcohol; (c) a cyclic polyol selected from the group consisting of a cycloaliphatic polyol having at least one secondary hydroxyl group, a heterocyclic polyol having primary and/or secondary hydroxyl groups, and mixtures thereof; (d) optionally, ethyleneglycol bischloroformate; and (e) optionally, at least one linear or branched aliphatic polyol having two to six hydroxyl groups. Another exemplary polymerizable composition includes the reaction product of (a) allyl alcohol; (b) a cyclic polyol selected from the group consisting of a cycloaliphatic polyol having at least one secondary hydroxyl group, a heterocyclic polyol having primary and/or secondary hydroxyl groups, and mixtures thereof; (c) ethyleneglycol bischloroformate; and (d) optionally, at least one linear or branched aliphatic polyol having two to six hydroxyl groups is also described.

Abstract: A batch process for preparing a molded optical article includes introducing (i) a dithiol component or (ii) a polyisocyanate component into a reaction vessel; adding a first catalyst of organotin halide to form a first reaction mixture; heating the first reaction mixture; introducing a second catalyst of tertiary amine to the first reaction mixture; mixing a polyisocyanate (ii) into the reaction vessel containing the first reaction mixture if dithiol (i) was first added, or mixing a dithiol (i) into the first reaction mixture if the polyisocyanate (ii) was first added, to form a second reaction mixture; filling a mold with the second reaction mixture to provide a filled mold to form a molded optical article. The molar ratio of elemental tin present in the first catalyst to tertiary amine compound present in the second catalyst ranges from 0.04:1 to 0.29:1.

Abstract: The invention describes processes to selectively remove or reduce the mineral acid content substantially from compositions comprising a solvent and levulinic acid, wherein the levulinic acid was derived from the reaction between various biomass materials and a mineral acid or an organic acid catalyst.

Abstract: The invention describes methods of preparation and compositions of plasticizers. The plasticizers include at least 2 alkyl ketal ester moieties and have a molecular weight of greater than 300. In one aspect, the alkyl ketal ester moieties are levulinic ester ketals. Certain compositions contain at least one of an antioxidant, a UV stabilizer, a thermal stabilizer or mixtures thereof, present in the composition from about 0.01 to about 5.0 percent by weight of the total composition.

Abstract: The invention describes processes to prepare levulinic acid, formic acid and/or hydroxymethyl furfural from various biomass materials.

Abstract: Disclosed herein is a polyketal adduct obtained by forming an ester between a hydrocarbon polyol and a ketocarboxylic acid to produce an intermediate polyketocarboxylic ester. The intermediate polyketocarboxylic ester can be purified via crystallization to achieve purities of greater than 99.0% and then ketalized to produce the polyketal adduct, which can be used in polymer compositions. The polyketal adduct I is obtained at high purity and at high yield.

Abstract: The present disclosure relates to the preparation of acrylate, alkacrylate, allyl, and polycarbonate derivatives of hydroxy ketal esters, and uses thereof.

Abstract: Various esterified alkyl ketal ester or hydroxyalkyl ketal ester products are useful as components of organic polymer compositions. The ketal esters are produced in certain transesterifications between alkyl ketal esters and/or hydroxyalkyl ketal esters and polyols, aminoalcohols, polyamines, and/or polycarboxylic acids. The products are excellent plasticizers for a variety of organic polymers, notable poly(vinyl chloride) plastisols. The products are also very good lubricants for many lubrication applications.

Abstract: A method for producing a product that comprises glycerol ketal of ethyl levulinate or propylene glycol ketal of ethyl levulinate comprises reacting either glycerol or propylene glycol with ethyl levulinate in the presence of a homogenous or heterogeneous catalyst system in a reactor system. The ethyl levulinate and either glycerol or propylene glycol are heated to remove water, polyol, and excess ethyl levulinate. The excess ethyl levulinate and polyol is recycled back to the reactor. The product is distilled in a specific fashion and optionally treated by means of a stabilizing agent or acid species removal bed, to obtain a composition comprising glycerol ketal of ethyl levulinate or propylene glycol ketal of ethyl levulinate wherein the composition comprises less than or equal to about 2 wt % contaminants.

Abstract: A poly(lactone) of formula (I) wherein b=0 or 1; the molar ratio of w:r:s:t=(0-30):(99.9-2):(0-98):(0-30), and w+s+t is at least 1; R1? R2, and R3 are each independently a hydrogen or C1-4 alkyl; R4, R5, R6, and R7 are each independently hydrogen, C1-4 alkyl, or F wherein F is a functional group that imparts a property to the poly(lactone) I, at least one and no more than two of R4? R5, R6, and R7 are F, and F is the same or different in each instance; Q? is a C1-30 hydrocarbyl group post-reacted with a crosslinking group and optionally crosslinked with one to five additional polymer backbones, wherein the additional polymer backbone comprises units of formula I; G? is a single bond to an additional polymer backbone or G? is a C1-30 hydrocarbyl group crosslinked with one to five additional polymer backbones.

Abstract: An ionic polymer of formula VI wherein each b=0 or 1; X is hydrogen, 1/z of a metal ion of charge z, a protonated nitrogen base, or a tetrasubstituted organic ammonium compound; the molar ratio of q:r:s:t=(100-0.1):(0-99.9):(0-50):(0-30); R1, R2 and R3 are hydrogen or C1-4 alkyl; R4, R5, R6 and R7 are hydrogen, C1-4 alkyl or F, wherein F is a functional group that imparts a property to polymer VI, at least one and no more than two of R4, R5, R6 and R7 are F and F is the same or different; G is a single bond or a C1-30 hydrocarbyl group; and for each instance of t when t is not zero, c=0-5 and d=0-5, provided that c+d=1-5, and wherein q, r and s as present in c are independent of any other value of q, r and s.

Abstract: The present disclosure relates to the preparation of acrylate, alkacrylate, allyl, and polycarbonate derivatives of hydroxy ketal esters, and uses thereof.

Abstract: Various esterified alkyl ketal ester or hydroxyalkyl ketal ester products are useful as components of organic polymer compositions. The ketal esters are produced in certain transesterifications between alkyl ketal esters and/or hydroxyalkyl ketal esters and polyols, aminoalcohols, polyamines, and/or polycarboxylic acids. The products are excellent plasticizers for a variety of organic polymers, notable poly(vinyl chloride) plastisols. The products are also very good lubricants for many lubrication applications.