Methods for labeling a substrate using a hetero-diels-alder reaction

Methods for labeling a substrate using a hetero-Diels-Alder reaction are disclosed. The hetero-Diels-Alder reaction includes the reaction of an o-quinone methide (e.g., an o-naphthoquinone methide) with a polarized olefin to form a hetero-Diels-Alder adduct. The o-quinone methide or the polarized olefin can be attached to a surface of a substrate, and the other of the o-quinone methide or the polarized olefin can include a detectable label. The o-quinone methide can conveniently be generated by irradiation of a precursor compound, preferably in an aqueous solution, suspension, or dispersion.

REMEDIATION OF YELLOWING IN A COATINGS FORMULATION CONTAINING A SORBATE ESTER OR A SORBAMIDE COALESCENT

The present invention is a composition comprising a stable aqueous dispersion of polymer particles and a sorbate ester, which is a liquid at 20° C. and has a molecular weight in the range of 125 to 500 g/mol. The composition of the present invention provides a way to enhance film formation of coatings prepared using relatively high Tlatexes without the aid of high volatile organic content (VOC) coalescents. 1. A composition comprising a stable aqueous dispersion of polymer particles , from 0.5 to 35 weight percent of a sorbate ester or sorbamide coalescent , based on the weight of the polymer particles , and from 10 ppm to 1 weight percent of a radical mediator , based on the weight of the composition , wherein the coalescent is imbibed in the polymer particles , and wherein radical mediator is a hindered amine , a hindered N-oxide , a thiol , an amino polycarboxylic acid or a salt thereof , a polyphosphate , or a phenol , or a combination thereof.3. The composition of wherein R is —(CH—CH(R)—O)—R claim 2 , —CH(R)—CH—O—R claim 2 , or linear or branched —R—OR;{'sup': '1', 'sub': 1', '6', '2, 'where Ris H, C-C-alkyl, —CHOH, or phenyl;'}{'sup': 2', '4, 'sub': 1', '6', '3', '2, 'Ris H, C-C-alkyl, benzyl, or CHCH═CH—CH═CH═C(O)—; allyl; —C(O)—CR═CH;'}{'sup': '3', 'sub': 4', '10, 'Ris a bivalent C-C-linear or branched alkyl or hydroxyalkyl group;'}{'sup': '4', 'sub': '3', 'Ris H or CH;'}{'sup': 5', '5, 'sub': 1', '6, 'X is O or NR, where Ris H or C-C-alkyl; and'}n is 1 to 7;wherein the concentration of the coalescent is from 1 to 20 weight percent, based on the weight of the polymer particles and the coalescent.4. The composition of which contains from 20 ppm to 0.5 weight percent of the radical mediator claim 1 , based on the weight of the composition claim 1 , wherein the coalescent is a sorbate ester having a molecular weight from 126 g/mol to 500 g/mol claim 1 , wherein the radical mediator is a hindered N-oxide claim 1 , a phenol claim 1 , or a thiol.5. The ...

COATING COMPOSITION CONTAINING A SORBIC ACID ESTER AND A PHOTOCATALYST

Provided is a composition comprising a) a stable aqueous dispersion of polymer particles, b) a sorbic acid ester, c) a photocatalyst and d) a free radical precursor. The composition provides a way to increase Koenig hardness of a coating rapidly and with reduced yellowing. 1. A composition comprising a) a stable aqueous dispersion of polymer particles , b) a sorbic acid ester , c) a photocatalyst that is capable of generating free radicals by way of a redox process and having an excited state redox potential in the range of from less than −0.2 V to not less than −2.5 V , and d) a free radical precursor having a ground state redox potential in the range of from 0.5 V to −2 V , with the proviso that the ground state potential of the free radical precursor is greater than the excited state redox potential of the photocatalyst.3. The composition of wherein the photocatalyst is a perylene claim 2 , an N—C-C-alkyl phenothiazine claim 2 , or an N-aryl phenothiazine; and the free radical precursor is a compound having a carbon-halogen bond claim 2 , a nitrogen-halogen bond claim 2 , a sulfur-halogen bond claim 2 , and oxygen-halogen bond claim 2 , a thiocyanate group claim 2 , or a thiocarbamate group.5. The composition of wherein the concentration of the photocatalyst is in the range of from 0.02 to 1 weight percent based on the weight of the sorbic acid ester; wherein the concentration of the free radical precursor is in the range of from 0.1 to 10 weight percent based on the weight of the sorbic acid ester.6. The composition of wherein the stable aqueous dispersion of polymer particles is an acrylic or styrene-acrylic latex claim 5 , the concentration of the photocatalyst is in the range of from 0.1 to 0.5 weight percent based on the weight of the sorbic acid ester; wherein the concentration of the free radical precursor is in the range of from 0.5 to 2 weight percent based on the weight of the sorbic acid ester; and wherein the sorbic acid ester is propylene glycol ...

SORBATE ESTER OR SORBAMIDE COALESCENT IN A COATINGS FORMULATION

The present invention is a composition comprising a stable aqueous dispersion of polymer particles and a sorbate ester, which is a liquid at 20° C. and has a molecular weight in the range of 125 to 500 g/mol. The composition of the present invention provides a way to enhance film formation of coatings prepared using relatively high Tlatexes without the aid of high volatile organic content (VOC) coalescents. 1. A composition comprising a stable aqueous dispersion of polymer particles and from 0.5 to 35 weight percent of a sorbate ester or sorbamide coalescent , based on the weight of the polymer particles , wherein the coalescent is imbibed in the polymer particles.3. The composition of wherein R is —(CH—CH(R)—O)—R claim 2 , —CH(R)—CH—O—R claim 2 , or linear or branched —R—OR;{'sup': '1', 'sub': 1', '6', '2, 'where Ris H, C-C-alkyl, —CHOH, or phenyl;'}{'sup': 2', '4, 'sub': 1', '6', '3', '2, 'Ris H, C-C-alkyl, benzyl, or CHCH═CH—CH═CH═C(O)—; allyl; —C(O)—CR═CH;'}{'sup': '3', 'sub': 4', '10, 'Ris a bivalent C-C-linear or branched alkyl or hydroxyalkyl group;'}{'sup': '4', 'sub': '3', 'Ris H or CH;'}{'sup': 5', '5, 'sub': 1', '6, 'X is O or NR, where Ris H or C-C-alkyl; and'}n is 1 to 7.4. The composition of wherein the concentration of the coalescent is from 1 to 20 weight percent claim 3 , based on the weight of the polymer particles and the coalescent.5. The composition of wherein the stable aqueous dispersion of polymer particles are acrylic claim 1 , styrene-acrylic claim 1 , or vinyl ester-acrylic latexes claim 1 , wherein the polymer particles further include structural units of a post-crosslinking monomer claim 1 , and wherein the coalescent is a sorbate ester having a molecular weight in the range of 126 g/mol to 500 g/mol.7. The composition of wherein the coalescent is at least 90% imbibed into the polymer particles.8. The composition of wherein coalescent is at least 98% imbibed into the polymer particles.9. The composition of which is non-pigmented.10. The ...

HIGH PURITY DISORBATE ESTER OF TRIETHYLENE GLYCOL

The present invention relates to a composition comprising triethylene glycol disorbate and triethylene glycol monosorbate, at a disorbate to monosorbate weight-to-weight ratio of from 19:1 to 99:1. The composition of the present invention is useful as a low VOC coalescent in coatings formulations.

WOOD PRESERVATIVES

A wood preservative composition and method for preserving wood by contacting wood with said composition comprising a polyurethane polymer, non-aqueous solvents, and a wood preservative active.

Chemical mechanical polishing composition for polishing a sapphire surface and methods of using same

A method of polishing a sapphire substrate is provided, comprising: providing a substrate having an exposed sapphire surface; providing a chemical mechanical polishing slurry, wherein the chemical mechanical polishing slurry comprises, as initial components: colloidal silica abrasive, wherein the colloidal silica abrasive has a negative surface charge; and, wherein the colloidal silica abrasive exhibits a multimodal particle size distribution with a first particle size maximum between 2 and 25 nm; and, a second particle size maximum between 75 and 200 nm; optionally, a biocide; optionally, a nonionic defoaming agent; and, optionally, a pH adjuster. A chemical mechanical polishing composition for polishing an exposed sapphire surface is also provided.

WOOD PRESERVATIVES

A method for preserving wood by contacting wood with a composition comprising a polyurethane polymer, non-aqueous solvents, and a wood preservative. 2. The method of in which the wood preservative is 4 claim 1 ,5-dichloro-2-n-octyl-4-isothiazolin-3-one.3. The method of wherein the organic solvent comprises diesel.4. The method of wherein the isocyanate is isophorone diisocyanate.5. The method of wherein the isocyanate is polymeric methylene diphenyl diisocyanate.6. The method of further wherein the polyurethane polymer comprises a capping agent selected from the group consisting of a primary amine having a carbon chain length of ≥C claim 1 , a mono alcohol claim 1 , and a secondary amine.8. The wood treatment composition of further wherein the polyurethane polymer comprises a capping agent selected from the group consisting of a primary amine having a carbon chain length of ≥C claim 7 , a mono alcohol claim 7 , and a secondary amine. The present invention relates to a method for treating wood to impart protection from wood-decaying organisms.There are many methods and compositions for preserving wood prior to the time the wood is put in use. Also, preservatives for treating wood in place are available on the market including both oil-based and water-based products. The oil-based products generally consist of petroleum oils with pentachlorophenol or creosote. U.S. Pat. No. 7,959,723 describes one such composition employing oil-soluble preservatives for wood. From the standpoint of toxicity and environmental pollution, these active ingredients are less than desirable.The problem addressed by this invention is the need for a more environmentally friendly wood treatment composition which is capable of efficaciously imparting active ingredients.The present invention is directed to a method for preserving wood; said method comprising contacting wood with a wood treatment composition comprising a polyurethane polymer synthesized from i) a polyol, and ii) an isocyanate; at ...

ENZYME CURABLE ALKYD COMPOSITION

The present invention relates to a coatings composition comprising an alkyd, a pigment, a rheology modifier, a radical producing oxidoreductase, and one or more additives, wherein the alkyd contains at least one C-—C(O)O— group having at least one diallylic group. The coatings composition of the present invention cures relatively rapidly without ancillary crosslinking agents and with minimal, if any, VOCs from solvents or coalescents. 1. A coatings composition comprising an alkyd , a pigment , a rheology modifier , a radical producing oxidoreductase , and one or more additives selected from the group consisting of fillers , biocides , surfactants , coalescents , dispersants , defoamers , and neutralizing agents; wherein the alkyd contains at least one C—C(O)O— group having at least one diallylic group.3. The composition of wherein the alkyd is further characterized by structural units of: a) an aromatic anhydride or a diacid; and b) a triol.4. The composition of wherein the triol is glycerol claim 3 , trimethyol propane claim 3 , or pentaerythritol or a combination thereof; the anhydride or acid is maleic anhydride claim 3 , maleic acid claim 3 , phthalic anhydride claim 3 , or phthalic acid claim 3 , or a combination thereof; and the radical producing oxidoreductase is a laccase or a peroxidase.6. The composition of wherein the radical producing oxidoreductase is a laccase and the composition further includes a chemical mediator.7. The composition of wherein the chemical mediator is N-hydroxybenzotriazole and violuric acid.8. The composition of which comprises less than 1% of a thiol functional crosslink-promoting compound based on the weight of radical producing oxidoreductase.9. The composition of wherein the chemical mediator is dispersed in an anionic surfactant. The present invention relates to an enzyme curable alkyd composition, particularly an alkyd composition cured with a radical producing oxidoreductase.The quality and degree of ambient film formation in ...

Remediation of yellowing in a coatings formulation containing a sorbate ester or a sorbamide coalescent

The present invention is a composition comprising a stable aqueous dispersion of polymer particles and a sorbate ester, which is a liquid at 20° C. and has a molecular weight in the range of 125 to 500 g/mol. The composition of the present invention provides a way to enhance film formation of coatings prepared using relatively high T g latexes without the aid of high volatile organic content (VOC) coalescents.

SORBIC ACID ESTER CONTAINING COATINGS COMPOSITION

The present invention is a composition comprising a solution or a dispersion of polymer particles, a sorbate ester or sorbamide curing agent, and a cure modulating additive for the curing agent. The curing agent is a sorbic acid ester or a sorbamide and the cure modulating agent is a reagent capable of accelerating or attenuating the rate of cure of the curing agent. The control of cure kinetics is important for speeding up cure rates where rates are too slow or by reducing cure rates where curing too rapidly results in undesirable color formation. 1. A composition comprising: a1) a polymer and a solvent for the polymer or a2) an aqueous dispersion of polymer particles; b) from 0.5 to 35 weight percent of a sorbic acid ester or sorbamide curing agent; and c) a cure modulating additive which is a compound functionalized with i) an S═O group; ii) a carbonyl group , iii) an amine group , iv) a hydroxyl group; v) a carboxylic acid group; vi) a sulfonic acid or sulfonate group; vii) a phosphoryl group; viii) a phosphonic acid or phosphonate group; or ix) an amide , urea , or urethane group; with the proviso that when the sorbic acid ester or the sorbamide is functionalized with a primary or secondary amine group or a hydroxyl group 5 to 7 bonds removed from the oxygen atom of the sorbic acid ester or sorbamide carbonyl group , the cure modulating additive is functionalized with i) an amine group; ii) a hydroxyl group; iii) a carboxylic acid group; iv) a sulfonic acid group; or v) a phosphorus acid group.2. The composition of which comprises an aqueous dispersion of polymer particles claim 1 , which dispersion has a solids content in the range of from 30 to 60 weight percent; wherein the curing agent is a liquid at 25° C. and is imbibed into the polymer particles.3. The composition of wherein the curing agent is a sorbic acid ester or sorbamide functionalized with a primary or secondary amine group or a hydroxyl group 5 to 7 bonds removed from the oxygen atom of the ...

PREPARATION OF A SORBATE ESTER

The present invention is a process for preparing a sorbate ester comprising the steps of: a) contacting together in a reaction vessel a first organic solvent, sorbic acid, a catalytic amount of TiC14, an anti-oxidant, and an alkylene oxide under conditions sufficient to form a mixture of the sorbate ester and residual water-soluble impurities; then b) separating the sorbate ester from the residual water-soluble impurities by washing. Sorbate esters can be prepared in an efficient and cost-effective manner by the process of the present invention. 1. A process for preparing a sorbate ester comprising the steps of: a) contacting together in a reaction vessel a first organic solvent , sorbic acid , a catalytic amount of a titanate catalyst , an anti-oxidant , and an alkylene oxide selected from the group consisting of C-Calkylene oxides , glycidyl methacrylates , glycidyl acrylates , diglycidyl ethers of bisphenols , alkylene glycol diglycidyl ethers , polyalkylene glycol diglycidyl ethers , alkane diol diglycidyl ethers , tri- and tetraglycidyl ethers , and hydoxylalkyl alkylene oxides under conditions sufficient to form a mixture of the sorbate ester and residual water-soluble impurities; then b) separating the sorbate ester from the residual water-soluble impurities by washing; wherein the anti-oxidant is a hindered amine , a hindered N-oxide , a phenothiazine , or a phenol , or a combination thereof.2. The process of wherein the solvent claim 1 , sorbic acid claim 1 , and the titanate catalyst are contacted together prior to the introduction of the alkylene oxide.3. The process of wherein the alkylene oxide is ethylene oxide claim 1 , propylene oxide claim 1 , butylene oxide claim 1 , bisphenol A diglycidyl ether claim 1 , ethylene glycol diglycidyl ether claim 1 , polyethylene glycol diglycidyl ethers claim 1 , propylene glycol diglycidyl ether claim 1 , polypropylene glycol diglycidyl ethers claim 1 , butylene glycol diglycidyl ether claim 1 , polybutlene glycol ...

WOOD PRESERVATIVES

A method for preserving wood by contacting wood with a composition comprising a polyurethane polymer, non-aqueous solvents, and a wood preservative.

Enzymatic conversion of volatile organic compounds

The present invention relates to a composition comprising a stable aqueous dispersion of polymer particles, an oxidoreductase, and a cofactor for the oxidoreductase and a method for its preparation. The invention is useful for converting certain classes of VOCs to non-VOCs.

Sorbic acid ester containing coatings composition

The present invention is a composition comprising a solution or a dispersion of polymer particles, a sorbate ester or sorbamide curing agent, and a cure modulating additive for the curing agent. The curing agent is a sorbic acid ester or a sorbamide and the cure modulating agent is a reagent capable of accelerating or attenuating the rate of cure of the curing agent. The control of cure kinetics is important for speeding up cure rates where rates are too slow or by reducing cure rates where curing too rapidly results in undesirable color formation.

PREPARATION OF A SORBATE ESTER

The present invention is a process for preparing a hydroxyalkyl sorbate comprising the steps of of: a) contacting together in a reaction vessel a solvent, sorbic acid, a transition metal halide catalyst, an anti-oxidant, and an alkylene oxide under conditions sufficient to form the hydroxyalkyl sorbate; b) removing the solvent in vacuo, wherein the anti-oxidant is characterized by the following formula or a carboxylic acid salt thereof: wherein Y, x, and R 1 are defined herein. The process of the present invention provides a convenient way of preparing hydroxyalkyl sorbates in high yield and purity without complicated workup steps.

High purity disorbate ester of triethylene glycol

The present invention relates to a composition comprising triethylene glycol disorbate and triethylene glycol monosorbate, at a disorbate to monosorbate weight-to-weight ratio of from 19:1 to 99:1. The composition of the present invention is useful as a low VOC coalescent in coatings formulations.

METHODS FOR LABELING A SUBSTRATE USING A HETERO-DIELS-ALDER REACTION

Methods for labeling a substrate using a hetero-Diels-Alder reaction are disclosed. The hetero-Diels-Alder reaction includes the reaction of an o-quinone methide (e.g., an o-naphthoquinone methide) with a polarized olefin to form a hetero-Diels-Alder adduct. The o-quinone methide or the polarized olefin can be attached to a surface of a substrate, and the other of the o-quinone methide or the polarized olefin can include a detectable label. The o-quinone methide can conveniently be generated by irradiation of a precursor compound, preferably in an aqueous solution, suspension, or dispersion.

BACILLUS THURINGIENSIS PESTICIDE FORMULATIONS

A pesticide formulation of the present invention includes Bacillus thuringiensis, a polyethylene glycol having a weight average molecular weight of from 1,000 g/mol to 12,000 g/mol as measured according to gel permeation chromatography, and a polyphenol.

One pot biocatalytic peroxide mediated cure

The present invention relates to a composition comprising a stable aqueous dispersion of crosslinkable polymer particles, a peroxidase enzyme, and a hydrophobic hydroperoxide having a 10-hour half life temperature of at least 100° C. The composition provides a robust one-pot peroxidase mediated cure for latex particles bearing a variety of polymerizable functional groups.

WOOD PRESERVATIVES

A wood preservative composition and method for preserving wood by contacting wood with said composition comprising a polyurethane polymer, non-aqueous solvents, and a wood preservative active.

HYDROPHOBIC POLYMERS AS OIL RHEOLOGY MODIFIERS FOR AGROCHEMICAL FORMULATIONS

Stable dispersions of pesticides in agricultural oil are provided. In particular, the dispersions include a particulate pesticide, agricultural oil, and an agricultural oil-soluble polymer.

METHOD FOR MONITORING MICROBIOLOGICALLY INDUCED CORROSION ON METAL SURFACES

A method for monitoring microbiologically induced corrosion on metal surfaces in contact with a fluid. The method comprises adding to the fluid a silanol compound or silanol compound precursor having a group detectible by ultraviolet spectrophotometry or fluorescence spectroscopy, or which is isotopically enriched. 1. A method for monitoring microbiologically induced corrosion on metal surfaces in contact with a fluid; said method comprising adding to the fluid a silanol compound or silanol compound precursor having a group detectible by ultraviolet spectrophotometry or fluorescence spectroscopy , or which is isotopically enriched.2. The method of in which said silanol or silanol compound precursor is added to the fluid to produce an initial silanol concentration from 10 ppm to 2 wt %.3. The method of in which the silanol compound precursor has formula XSi(G) claim 2 , wherein G represents C-Calkyl claim 2 , C-Calkoxy claim 2 , chloro or a combination thereof provided that there is at least one alkoxy or chloro present; and wherein X represents a uv-active or fluorescent group.4. The method of in which a silanol compound precursor is added to the fluid.5. The method of in which the fluid has a water content from 0.01 to 100 wt %.6. The method of in which the silanol compound precursor has a group detectible by ultraviolet spectrophotometry or fluorescence spectroscopy7. The method of in which the fluid is crude oil having at least 0.05 wt % water.8. The method of in which the fluid is natural gas having at least 0.05 wt % water.9. A method for monitoring microbiologically induced corrosion on metal surfaces in contact with a fluid; said method comprising adding to the fluid a silicate compound which is isotopically enriched.10. The method of further comprising monitoring a level of isotopically enriched silicate compound in the fluid. This invention relates generally to a method for monitoring microbiologically induced corrosion on metal surfaces.The use of ...

Methods for Labeling a Substrate Using a Hetero-Diels-Alder Reaction

Methods for labeling a substrate using a hetero-Diels-Alder reaction are disclosed. The hetero-Diels-Alder reaction includes the reaction of an o-quinone methide (e.g., an o-naphthoquinone methide) with a polarized olefin to form a hetero-Diels-Alder adduct. The o-quinone methide or the polarized olefin can be attached to a surface of a substrate, and the other of the o-quinone methide or the polarized olefin can include a detectable label. The o-quinone methide can conveniently be generated by irradiation of a precursor compound, preferably in an aqueous solution, suspension, or dispersion.

WOOD PRESERVATIVES

A wood preservative composition and method for preserving wood by contacting wood with said composition comprising a polyurethane polymer, non-aqueous solvents, and a wood preservative active.

SORBIC ACID ESTER COMPOSITION

The present invention is a method comprising the steps of a) applying a composition comprising a curing agent and a cure modulating additive to a substrate; and b) allowing the composition to cure. The curing agent is a sorbic acid ester or a sorbamide and the cure modulating agent is a reagent capable of modulating the rate of cure of the curing agent.

Wood preservatives

A wood preservative composition and method for preserving wood by contacting wood with said composition comprising a polyurethane polymer, non-aqueous solvents, and a wood preservative active.

MICROCAPSULES

A process for adjusting the wettability property of a plurality of on-demand activation-type microcapsules of a core and shell structure including the steps of: (a) providing a plurality of microcapsules of a core and shell structure, wherein the shell includes a polymeric matrix containing a certain amount of unreacted functionalizable reactive electrophiles covalently bonded to the surface of the wall of the shell of the microcapsules; and (b) contacting the plurality of microcapsules of step (a) with a certain amount of nucleophiles; wherein the nucleophiles are adapted to react with the electrophiles; and wherein the nucleophiles are adapted to modify the wettability property of the microcapsules' shell structure to a predetermined degree of hydrophilicity or solvent compatibility. 1. A process for adjusting the wettability property of a plurality of on-demand activation-type microcapsules of a core and shell structure comprising the steps of:(a) providing a plurality of microcapsules of a core and shell structure, wherein the shell comprises a polymeric matrix containing unreacted functionalizable reactive electrophiles covalently bonded to the surface of the wall of the shell of the microcapsules; and(b) contacting the plurality of microcapsules of step (a) with nucleophiles adapted to react with the electrophiles and wherein the nucleophiles are adapted to modify the wettability property of the microcapsules to a predetermined degree of hydrophilicity or solvent compatibility anywhere in the range of from 100 percent hydrophobicity to 100 percent hydrophilicity.2. The process of claim 1 , wherein the shell wall of the plurality of on-demand activation-type microcapsules is adjusted to be hydrophobic.3. The process of claim 1 , wherein the shell wall of the plurality of on-demand activation-type microcapsules is adjusted to be hydrophilic.4. The process of claim 1 , wherein the shell wall of the plurality of on-demand activation-type microcapsules is adjusted ...

Hydrophobic polymers as oil rheology modifiers for agrochemical formulations

Stable dispersions of pesticides in agricultural oil are provided. In particular, the dispersions include a particulate pesticide, agricultural oil, and an agricultural oil-soluble polymer.

Enzyme curable alkyd composition

The present invention relates to a coatings composition comprising an alkyd, a pigment, a rheology modifier, a radical producing oxidoreductase, and one or more additives, wherein the alkyd contains at least one C6-30C(O)O group having at least one diallylic group. The coatings composition of the present invention cures relatively rapidly without ancillary crosslinking agents and with minimal, if any, VOCs from solvents or coalescents.

CHEMICAL MECHANICAL POLISHING COMPOSITION FOR POLISHING A SAPPHIRE SURFACE AND METHODS OF USING SAME

A method of polishing a sapphire substrate is provided, comprising: providing a substrate having an exposed sapphire surface; providing a chemical mechanical polishing slurry, wherein the chemical mechanical polishing slurry comprises, as initial components: colloidal silica abrasive, wherein the colloidal silica abrasive has a negative surface charge; and, wherein the colloidal silica abrasive exhibits a multimodal particle size distribution with a first particle size maximum between 2 and 25 nm; and, a second particle size maximum between 75 and 200 nm; optionally, a biocide; optionally, a nonionic defoaming agent; and, optionally, a pH adjuster. A chemical mechanical polishing composition for polishing an exposed sapphire surface is also provided. 1. A method of polishing a sapphire substrate , comprising:providing a substrate having an exposed sapphire surface; colloidal silica abrasive, wherein the colloidal silica abrasive has a negative surface charge; and, wherein the colloidal silica abrasive exhibits a multimodal particle size distribution with a first particle size maximum between 2 and 25 nm; and, a second particle size maximum between 75 and 200 nm;', 'optionally, a biocide;', 'optionally, a nonionic defoaming agent; and,', 'optionally, a pH adjuster;, 'providing a chemical mechanical polishing slurry having a pH of >8 to 12, wherein the chemical mechanical polishing slurry comprises, as initial componentsproviding a chemical mechanical polishing pad;creating dynamic contact at an interface between the chemical mechanical polishing pad and the substrate; anddispensing the chemical mechanical polishing slurry onto the chemical mechanical polishing pad at or near the interface between the chemical mechanical polishing pad and the substrate;wherein at least some sapphire is removed from the exposed sapphire surface of the substrate and wherein the chemical mechanical polishing slurry exhibits a sapphire removal rate of ≧14,000 Å/hr with a platen speed of ...

ENZYMATIC CONVERSION OF VOLATILE ORGANIC COMPOUNDS

The present invention relates to a composition comprising a stable aqueous dispersion of polymer particles, an oxidoreductase, and a cofactor for the oxidoreductase and a method for its preparation. The invention is useful for converting certain classes of VOCs to non-VOCs.

METHODS FOR LABELING A SUBSTRATE HAVING A PLURALITY OF THIOL GROUPS ATTACHED THERETO

Methods for derivatizing the surface of a substrate having a plurality of thiol groups thereon are disclosed herein. The method can include reacting the thiol groups with an o-quinone methide, which can optionally be generated by irradiating an o-quinone methide precursor compound. In some embodiments, the method can advantageously be reversible. Exemplary o-quinone methides having a cyclic alkyne attached thereto, and precursor compounds for generating such compounds, are also disclosed herein. 3. The method of wherein the substrate comprises a planar surface or a bead.4. The method of wherein the substrate is selected from the group consisting of glass claim 1 , quartz claim 1 , silica claim 1 , a metal claim 1 , a semi-conductor claim 1 , a polymer claim 1 , a membrane claim 1 , a liposome claim 1 , a micelle claim 1 , a macromolecule claim 1 , a biomaterial claim 1 , and combinations thereof.5. The method of wherein the biomaterial is selected from the group consisting of a virus claim 4 , a small multicellular organism claim 4 , DNA claim 4 , RNA claim 4 , a peptide claim 4 , a polypeptide claim 4 , a protein claim 4 , a carbohydrate claim 4 , a lipid claim 4 , tissue claim 4 , and combinations thereof.6. The method of wherein the o-quinone methide comprises a label that is detectable by a method selected from the group consisting of fluorescence claim 1 , phosphorescence claim 1 , radiation detection claim 1 , optical methods claim 1 , electrochemical methods claim 1 , surface plasmon resonance imaging (SPRi) claim 1 , and combinations thereof.7. The method of wherein the o-quinone methide comprises a detectable label comprising a probe.8. The method of wherein the probe comprises DNA claim 7 , a peptide claim 7 , a polypeptide claim 7 , a protein claim 7 , or a combination thereof.9. The method of wherein conditions effective comprise contacting in an aqueous solution claim 1 , suspension claim 1 , or dispersion.10. The method of further comprising ...

METHODS FOR REACTING CYSTEINE RESIDUES IN PEPTIDES AND PROTEINS

Methods for labeling or modifying cysteine residues in proteins and/or enzymes are disclosed. The methods include the reaction of an o-naphthoquinone methide with a thiol group of a cysteine residue of a protein or enzyme, which can be reversible in preferred embodiments. The o-naphthoquinone methide can conveniently be generated by irradiation of a precursor compound, preferably in an aqueous solution, suspension, or dispersion. 1. A method for labeling a protein having a thiol group , the method comprising:generating an o-naphthoquinone methide; andcontacting the o-naphthoquinone methide with the protein under conditions effective to form the labeled protein.2. The method of wherein the protein comprises a cysteine residue having the thiol group.3. The method of wherein the o-naphthoquinone methide is a 2-naphthoquinone-3-methide.5. The method of wherein the labeling method is reversible.6. The method of further comprising:irradiating the labeled protein under conditions effective to remove the label.7. The method of wherein conditions effective to remove the label comprise irradiating the labeled protein in a dilute solution.8. The method of wherein conditions effective to remove the label comprise irradiating the labeled protein in the presence of a polarized olefin.9. The method of wherein the polarized olefin is a vinyl ether.10. The method of wherein generating the o-naphthoquinone methide comprises:providing an o-naphthoquinone methide precursor compound; andirradiating the precursor compound under conditions effective to form the o-naphthoquinone methide.11. The method of wherein the precursor compound comprises a 3-hydroxymethyl-2-naphthol group.13. The method of wherein conditions effective to form the labeled protein comprise irradiating a molar excess of the precursor compound compared to the moles of thiol groups of the protein.14. The method of wherein the precursor compound is irradiated in the presence of the protein.15. A method for inhibiting an ...

One pot biocatalytic peroxide mediated cure

The present invention relates to a composition comprising a stable aqueous dispersion of crosslinkable polymer particles, a peroxidase enzyme, and a hydrophobic hydroperoxide having a 10-hour half life temperature of at least 100° C. The composition provides a robust one-pot peroxidase mediated cure for latex particles bearing a variety of polymerizable functional groups.

MECHANICAL CHEMICAL POLISHING COMPOSITION FOR POLISHING A SAPPHIRE SURFACE AND METHODS OF USE THEREOF

Il est fourni un procédé de polissage d'un substrat de saphir, comprenant : la fourniture d'un substrat présentant une surface de saphir exposée ; la fourniture d'une suspension de polissage mécano-chimique, dans laquelle la suspension de polissage mécano-chimique comprend, comme constituants initiaux : un abrasif de silice colloïdale, dans lequel l'abrasif de silice colloïdale présente une charge de surface négative ; et, dans lequel l'abrasif de silice colloïdale présente une distribution de taille de particules multimodale avec une première taille de particules maximale de 2 à 25 nm ; et, une seconde taille de particules maximale de 75 à 200 nm ; éventuellement un biocide ; éventuellement un agent antimousse non ionique ; et, éventuellement, un agent d'ajustement du pH. Il est également fourni une composition de polissage mécanochimique pour polir une surface de saphir exposée. There is provided a method of polishing a sapphire substrate, comprising: providing a substrate having an exposed sapphire surface; providing a chemical mechanical polishing slurry, wherein the chemical mechanical polishing slurry comprises, as initial components: a colloidal silica abrasive, wherein the colloidal silica abrasive has a negative surface charge; and, wherein the colloidal silica abrasive has a multimodal particle size distribution with a first maximum particle size of 2 to 25 nm; and a second maximum particle size of 75 to 200 nm; possibly a biocide; optionally a nonionic antifoam agent; and, optionally, a pH adjusting agent. There is also provided a mechanochemical polishing composition for polishing an exposed sapphire surface.

sorbate ester preparation

é divulgado um processo para preparar um sorbato de hidroxialquila que compreende as etapas de: a) colocar em contato em conjunto num recipiente de reação um solvente, ácido sórbico, um catalisador de haleto de metal de transição, um antioxidante e um óxido de alquileno em condições suficientes para formar o sorbato de hidroxialquila; b) remover o solvente a vácuo, em que o antioxidante é caracterizado pela seguinte fórmula ou um sal do ácido carboxílico da mesma: em que y, x e r1 são como aqui definidos. o processo da presente invenção fornece uma maneira conveniente de preparar sorbatos de hidroxialquila com elevado rendimento e pureza sem etapas de processamento complicadas. A process for preparing a hydroxyalkyl sorbate is disclosed which comprises the steps of: a) contacting together in a reaction vessel a solvent, sorbic acid, a transition metal halide catalyst, an antioxidant and an alkylene oxide in sufficient conditions to form hydroxyalkyl sorbate; b) removing the vacuum solvent, wherein the antioxidant is characterized by the following formula or a carboxylic acid salt thereof: wherein y, x and r 1 are as defined herein. The process of the present invention provides a convenient way to prepare high yield and purity hydroxyalkyl sorbates without complicated processing steps.

Remediation of yellowing in a coating formulation containing a sorbate ester or a sorbamide coalescent

The present invention is a composition comprising a stable aqueous dispersion of polymer particles and a sorbate ester, which is a liquid at 20 °C and has a molecular weight in the range of 125 to 500 g/mol. The composition of the present invention provides a way to enhance film formation of coatings prepared using relatively high T g latexes without the aid of high volatile organic content (VOC) coalescents.

Wood preservatives

A method for preserving wood by contacting wood with a composition comprising a polyurethane polymer, non-aqueous solvents, and a wood preservative.

A chemical-mechanical polishing composition for polishing a sapphire surface and methods of using the same

Es wird ein Verfahren zum Polieren eines Saphirsubstrats bereitgestellt, umfassend: Bereitstellen eines Substrats, das eine freiliegende Saphiroberfläche aufweist, Bereitstellen einer chemisch-mechanischen Polieraufschlämmung, wobei die chemisch-mechanische Polieraufschlämmung als ursprüngliche Komponenten umfasst: kolloidales Siliziumdioxid-Schleifmittel, wobei das kolloidale Siliziumdioxid-Schleifmittel eine negative Oberflächenladung aufweist und wobei das kolloidale Siliziumdioxid-Schleifmittel eine multimodale Teilchengrößenverteilung mit einem ersten Teilchengrößenmaximum zwischen 2 und 25 nm und einem zweiten Teilchengrößenmaximum zwischen 75 und 200 nm aufweist, gegebenenfalls ein Biozid, gegebenenfalls ein nicht-ionisches Entschäumungsmittel und gegebenenfalls ein pH-Einstellmittel. Es wird auch eine chemisch-mechanische Polierzusammensetzung zum Polieren einer freiliegenden Saphiroberfläche bereitgestellt. There is provided a method of polishing a sapphire substrate, comprising: providing a substrate having an exposed sapphire surface, providing a chemical mechanical polishing slurry, wherein the chemical mechanical polishing slurry comprises as original components: colloidal silica abrasive, wherein the colloidal silica Abrasive having a negative surface charge and wherein the colloidal silica abrasive has a multimodal particle size distribution having a first particle size maximum between 2 and 25 nm and a second particle size maximum between 75 and 200 nm, optionally a biocide, optionally a non-ionic defoamer and optionally a pH. setting. There is also provided a chemical mechanical polishing composition for polishing an exposed sapphire surface.

Enzyme curable alkyd composition

Abstract The present invention relates to a coatings composition comprising an alkyd, a pigment, a theology modifier, a radical producing oxidoreductase, and one or more additives, wherein the alkyd contains at least one C6-3 0-C(0)0- group having at least one diallylic group. The coatings 5 composition of the present invention cures relatively rapidly without ancillary crosslinking agents and with minimal, if any, VOCs from solvents or coalescents.

Sorbic acid ester containing coatings composition

The present invention is a composition comprising a solution or a dispersion of polymer particles, a sorbate ester or sorbamide curing agent, and a cure modulating additive for the curing agent. The curing agent is a sorbic acid ester or a sorbamide and the cure modulating agent is a reagent capable of accelerating or attenuating the rate of cure of the curing agent. The control of cure kinetics is important for speeding up cure rates where rates are too slow or by reducing cure rates where curing too rapidly results in undesirable color formation.

Sorbic acid ester composition

The present invention is a method comprising the steps of a) applying a composition comprising a curing agent and a cure modulating additive to a substrate; and b) allowing the composition to cure. The curing agent is a sorbic acid ester or a sorbamide and the cure modulating agent is a reagent capable of modulating the rate of cure of the curing agent.

Preparation of a sorbate ester

The present invention is a process for preparing a sorbate ester comprising the steps of: a) contacting together in a reaction vessel a first organic solvent, sorbic acid, a catalytic amount of TiCl4, an anti-oxidant, and an alkylene oxide under conditions sufficient to form a mixture of the sorbate ester and residual water-soluble impurities; then b) separating the sorbate ester from the residual water-soluble impurities by washing. Sorbate esters can be prepared in an efficient and cost-effective manner by the process of the present invention.

High purity disorbate ester of triethylene glycol

The present invention relates to a composition comprising triethylene glycol disorbate and triethylene glycol monosorbate, at a disorbate to monosorbate weight-to-weight ratio of from 19:1 to 99: 1. The composition of the present invention is useful as a low VOC coalescent in coatings formulations.

Wood preservatives

A wood preservative composition and method for preserving wood by contacting wood with said composition comprising a polyurethane polymer, non-aqueous solvents, and a wood preservative active.

Wood preservatives

A wood preservative composition and method for preserving wood by contacting wood with said composition comprising a polyurethane polymer, non-aqueous solvents, and a wood preservative active.

Remediation of yellowing in a coatings formulation containing a sorbate ester or a sorbamide coalescent

The present invention is a composition comprising a stable aqueous dispersion of polymer particles and a sorbate ester, which is a liquid at 20 °C and has a molecular weight in the range of 125 to 500 g/mol. The composition of the present invention provides a way to enhance film formation of coatings prepared using relatively high T g latexes without the aid of high volatile organic content (VOC) coalescents.

Microcapsules

Sorbic acid ester containing coatings composition

The present invention is a composition comprising a solution or a dispersion of polymer particles, a sorbate ester or sorbamide curing agent, and a cure modulating additive for the curing agent. The curing agent is a sorbic acid ester or a sorbamide and the cure modulating agent is a reagent capable of accelerating or attenuating the rate of cure of the curing agent. The control of cure kinetics is important for speeding up cure rates where rates are too slow or by reducing cure rates where curing too rapidly results in undesirable color formation.

High purity disorbate ester of triethylene glycol

The present invention relates to a composition comprising triethylene glycol disorbate and triethylene glycol monosorbate, at a disorbate to monosorbate weight-to-weight ratio of from 19:1 to 99: 1. The composition of the present invention is useful as a low VOC coalescent in coatings formulations.

Pest control compositions

A pest control composition includes humic acid and an emulsion polymer. The emulsion polymer includes including methyl methacrylate, butyl acrylate, acrylic acid and vinyl toluene. The pest control composition also includes bacillus thuringiensis and water.

Pest control compositions

Embodiments are directed towards pest control compositions including a polymer, wherein the polymer includes from 0.10 wt% to 10.00 wt% of monomeric structural units derived from a benzotriazole, a benzophenone, or combinations thereof based upon a total weight of the emulsion polymer; bacillus thuringiensis; and water.

Pest control compositions

A pest control composition includes a plurality of composite particles, each of the composite particles includes a polyolefin core, wherein the polyolefin of the polyolefin core has 50 wt% or more of monomeric structural units derived from an olefin monomer based upon a total weight of the polyolefin. Each of the composite particles also includes a plurality of monomeric structural units derived from a vinyl monomer polymerized onto the polyolefin core, wherein the vinyl monomer incldues one or more (meth)acrylic monomer. The composition also includes bacillus thuringiensis and water.

Pest control compositions

A pest control composition includes a polymer, wherein the polymer has a weight average molecular weight from 15,000 daltons to 30,000 daltons and contains from 50 wt% to 70 wt% of monomeric structural units derived from a monomer with a log P of from 2.0 to 6.0; bacillus thuringiensis; and water.

Pest control compositions

A pest control composition includes humic acid, wherein the humic acid has a concentration of phenolic groups of 0.19 to 1.30 millimoles per gram of the humic acid, bacillus thuringiensis and water.

High purity disorbate ester of triethylene glycol

The present invention relates to a composition comprising triethylene glycol disorbate and triethylene glycol monosorbate, at a disorbate to monosorbate weight-to-weight ratio of from 19:1 to 99: 1. The composition of the present invention is useful as a low VOC coalescent in coatings formulations.

Pest control compositions

A pest control composition includes humic acid, a polymer having a weight average molecular weight from 10,000 daltons to 30,000 daltons and containing from 20 wt% to 100 wt% of monomeric structural units derived from a monomer with log P from 2.0 to 6.0, bacillus thuringiensis and water.

Spray-dried pest control compositions

A spray-dried pest control composition includes a polymer, wherein the polymer has a weight average molecular weight from 10,000 to 30,000 daltons and the polymer contains from 20 wt% to 100 wt% of monomeric structural units derived from a monomer with log P of from 2.0 to 6.0 based upon a total weight of the polymer and bacillus thuringiensis, wherein the spray-dried pest control composition has an average particle diameter from 30 nanometers to 100 microns as measured using Laser Diffraction.

Formulação pesticida

FORMULAÇÃO PESTICIDA. Uma formulação pesticida da presente invenção inclui Bacillus thuringiensis, um poli(glicol etilênico) que tem um peso molecular médio ponderal de 1.000 g/mol a 12.000 g/mol, conforme medido de acordo com cromatografia de permeação em gel, e um polifenol.

Coating composition containing sorbic acid ester and photocatalyst

Provided is a composition comprising a) a stable aqueous dispersion of polymer particles, b) a sorbic acid ester, c) a photocatalyst and d) a free radical precursor. The composition provides a way to increase Koenig hardness of a coating rapidly and with reduced yellowing.

Multifunctional boosters for antimicrobial preservatives and applications thereof

The present disclosure relates to certain ether compounds as described herein as new multifunctional boosters for enhancing the activity of antimicrobial preservatives and applications thereof in personal care products, cosmetic products and home care products.

composição, e, método para preparar uma composição

composição, e, método para preparar uma composição. a presente invenção refere-se a uma composição que compreende uma dispersão aquosa estável de partículas poliméricas reticuláveis, uma enzima peroxidase, e um hidroperóxido hidrofóbico tendo uma temperatura de meia-vida de 1 o horas de pelo menos 1 00°c. a composição fornece uma cura mediada por peroxidase em uma etapa robusta de partículas de látex contendo uma variedade de grupos funcionais polimerizáveis.

One pot biocatalytic peroxide mediated cure

The present invention relates to a composition comprising a stable aqueous dispersion of crosslinkable polymer particles, a peroxidase enzyme, and a hydrophobic hydroperoxide having a 10-hour half life temperature of at least 100 °C. The composition provides a robust one-pot peroxidase mediated cure for latex particles bearing a variety of polymerizable functional groups.

One pot biocatalytic peroxide mediated cure

Wood preservatives

A wood preservative composition and method for preserving wood by contacting wood with said composition comprising a polyurethane polymer, non-aqueous solvents, and a wood preservative active.

Preparation of a hydroxyalkyl phosphonic acid

Bacillus thuringiensis pesticide formulations

A pesticide formulation of the present invention includes bacillus thuringiensis, a polyethylene glycol having a weight average molecular weight of from 1,000 g/mol to 12,000 g/mol as measured according to gel permeation chromatography, and a polyphenol.

Bacillus thuringiensis pesticide formulations

A pesticide formulation of the present invention includes bacillus thuringiensis, a polyethylene glycol having a weight average molecular weight of from 1,000 g/mol to 12,000 g/mol as measured according to gel permeation chromatography, and a polyphenol.

Branched fatty acyl isethionates

An anionic surfactant comprises a compound or mixture of compounds having the formula wherein R1 comprises hydrogen or methyl or hydroxy, R2 comprises methyl, hydroxy, or hydrogen, R'2 comprises methyl, hydroxy, or hydrogen, and R3 comprises a hydrocarbon group having 1 to 18 carbon atoms, including straight-chain hydrocarbon groups, branched hydrocarbon groups, saturated hydrocarbon groups, unsaturated hydrocarbon groups, or a combination thereof; and wherein M+ is a monovalent cation; wherein if both R2 and R'2 comprise hydrogen, then R1 does not comprise hydrogen if R3 is a linear hydrocarbon group and wherein if R3 is a branched hydrocarbon, then all of R2, R2, and R1 comprise hydrogen.

Coating composition containing sorbic acid ester and photocatalyst

Provided is a composition comprising a) a stable aqueous dispersion of polymer particles, b) a sorbic acid ester, c) a photocatalyst and d) a free radical precursor. The composition provides a way to increase Koenig hardness of a coating rapidly and with reduced yellowing.

método para conservar madeira, e, composição para conservação de madeira

Trata-se de uma composição de conservante de madeira e um método para conservar madeira colocando-se a madeira em contato com a dita composição que compreende um polímero de poliuretano, solventes não aquosos e ativo de conservante de madeira.

Glucan derivatives for microbial control

Compositions are disclosed herein comprising an ether derivative of an alpha-glucan, wherein (i) at least about 40% of the glycosidic linkages of the alpha-glucan are alpha-1,6 linkages, (ii) the alpha-glucan has a weight-average molecular weight of about 10 kDa to about 2000 kDa, and (iii) the alpha-glucan has a degree of substitution of about 0.001 to about 1.0 with at least one positively charged organic group that is ether-linked to the alpha-glucan, and the positively charged organic group comprises a C 4 to C 20 alkyl group or C 4 to C 20 alkylene group. The alpha-glucan ether derivative has antimicrobial activity. Methods are further disclosed for preparing compositions comprising an alpha-glucan ether derivative, as well as various applications of using these compositions in controlling microbes.

Wood preservatives

A method for preserving wood by contacting wood with a composition comprising a polyurethane polymer, non-aqueous solvents, and a wood preservative.

Compositions comprising one cationic alpha- 1,6-glucan derivative and one alpha- 1,3-glucan

Compositions are disclosed herein comprising at least (a) a derivative of an alpha-glucan, wherein (i) at least about 40% of the glycosidic linkages of the alpha-glucan are alpha-1,6 linkages, and (ii) the alpha-glucan has a degree of substitution (DoS) of about 0.001 to about 3.0 with at least one positively charged organic group (optionally in ether linkage); and (b) an insoluble alpha-glucan, wherein at least about 50% of the glycosidic linkages of the insoluble alpha-glucan are alpha-1,3 glycosidic linkages, and the weight-average degree of polymerization (DPw) of the insoluble alpha-glucan is at least 10. The insoluble alpha-glucan can enhance the degree to which the alpha-glucan derivative deposits onto a fiber-containing material/article such as fabric, for example. Methods are further disclosed for preparing compositions comprising an alpha-glucan ether derivative, as well as various applications of using these compositions, such as for controlling microbes on fabric surfaces.

Composição, e, método

Composição, e, método. A presente invenção refere-se a uma composição compreendendo uma dispersão aquosa estável de partículas de polímero, uma oxidorredutase, e um cofator para a oxidorredutase e um método para sua preparação. A invenção é útil para converter certas classes de vocs em não vocs

Wood preservatives

Wood preservatives