CRYSTALLIZER AND METHOD FOR PRODUCING PHENOL-BPA ADDUCT CRYSTALS

A method for the evaporative production of phenol-BPA adduct crystals in a crystallizer is provided. First, a supersaturated BPA solution is introduced into a crystallizer that includes a cylindrical vessel and a concentrically-disposed draft tube that defines an annular space between the vessel and tube. Next, the BPA solution is circulated through the draft tube and annular space while a coolant is uniformly distributed in the circulating flow by radially injecting a volatile hydrocarbon compound at between about 30% and 60% of a radial extent of the annular space of to form a BPA mixture. Phenol-BPA adduct crystals are produced in the vessel by evaporating the volatile hydrocarbon compound out of the BPA mixture. The method provides a consistent and uniform concentration of coolant across the surface of the boiling zone that prevents or at least reduces unwanted crystal nucleation. 1. A method of forming phenol-BPA adduct crystals in a crystallizer by evaporative cooling including a cylindrical vessel; a draft tube concentrically disposed within said cylindrical vessel such that an annular space is defined between said vessel and tube , comprisingintroducing a supersaturated BPA solution into said vessel;circulating said BPA solution through said draft tube and annular space;uniformly distributing a coolant in the circulating flow of supersaturated BPA solution to form a BPA mixture by radially injecting said volatile hydrocarbon compound at between about 30% and 60% of a radial extent of said annular space, andproducing phenol-BPA adduct crystals in said vessel by evaporating said volatile hydrocarbon compound out of said BPA mixture.2. The method of claim 1 , wherein said coolant is injected through discharge ends of nozzles that are located at between about 30% and 60% of a radial extent of said annular space and below an upper end of the draft tube a distance of between about 50% to 150% the diameter of said vessel.3. The method of claim 2 , wherein said ...

PHENOLIC EPOXY COMPOUNDS

Disclosed herein are compositions and methods of making phenolic compounds, and resins comprising these phenolic compounds. The compounds include multifunctional epoxies, amino glycidyl derivatives, and multi-functional amines prepared from hydroxymethyl derivatives of phenols and bisphenols. 25-. (canceled)6. The compound of claim 1 , wherein:{'sub': '1', 'Ris H or Z;'}{'sub': 2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2, 'Ris —N(Z), —N(CH—O—Z), —N(CHCH—O—Z), —N(CHOH), —N(CHNH), or —N(CHCHOH);'}{'sub': 3', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2, 'Ris —N(Z), —N(CH—O—Z), —N(CHCH—O—Z), —N(CHOH), —N(CHNH), or —N(CHCHOH); and'}{'sub': 4', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2, 'Ris —N(Z), —N(CH—O—Z), —N(CHCH—O—Z), —N(CHOH), —N(CHNH), or —N(CHCHOH).'}7. The compound of claim 1 , wherein:{'sub': '1', 'Ris Z;'}{'sub': 2', '2', '2', '2', '2', '2', '2, 'Ris —N(Z), —N(CH—O—Z), or —N(CHCH—O—Z);'}{'sub': 3', '2', '2', '2', '2', '2', '2, 'Ris —N(Z), —N(CH—O—Z), or —N(CHCH—O—Z); and'}{'sub': 4', '2', '2', '2', '2', '2', '2, 'Ris —N(Z), —N(CH—O—Z), or —N(CHCH—O—Z).'}8. The compound of claim 1 , wherein Ris Z claim 1 , Ris —N(Z) claim 1 , Ris —N(Z)and Ris —N(Z).9. The compound of claim 1 , wherein Ris Z claim 1 , and each of Ris —N(CH—O—Z) claim 1 , Ris{'sub': 2', '2', '4', '2', '2, '—N(CH—O—Z)and Ris —N(CH—O—Z).'}10. The compound of claim 1 , wherein Ris Z claim 1 , and each of Ris —N(CHCH—O—Z) claim 1 , Ris{'sub': 2', '2', '2', '4', '2', '2', '2, '—N(CHCH—O—Z)and Ris —N(CHCH—O—Z).'}11. The compound of claim 1 , wherein:{'sub': '1', 'Ris H;'}{'sub': 2', '2', '2', '2', '2', '2', '2', '2', '2, 'Ris —N(CHOH), —N(CHNH), or —N(CHCHOH);'}{'sub': 3', '2', '2', '2', '2', '2', '2', '2', '2, 'Ris —N(CHOH), —N(CHNH), or —N(CHCHOH); and'}{'sub': 4', '2', '2', '2', '2', '2', '2', '2', '2, 'Ris —N(CHOH), —N(CHNH), or —N(CHCHOH).'}12. The compound of claim 1 , wherein Ris H claim 1 , Ris —N(CHOH) claim 1 , Ris ...

PROCESS OF PRODUCING AND USE OF A TREATED, PROMOTED ION EXCHANGE RESIN CATALYST

The present invention relates to the treatment of a promoted strong acid ion exchange resin for use as an acid catalyst with an antioxidant to protect the resin from oxidative degradation and the use of said treated promoted ion exchange resin catalyst in chemical production processes. 1. A process for producing a treated promoted ion exchange resin catalyst comprising contacting the promoted ion exchange resin catalyst with an antioxidant to produce a treated promoted ion exchange resin.2. The process of wherein the ion exchange resin catalyst is a sulfonic acid-type cation-exchange resin catalyst.3. The process of wherein the cation-exchange resin catalyst is a sulfonated styrene-divinyl benzene copolymer.4. The process of wherein the antioxidant is a monocyclic or polycyclic phenol claim 1 , an amine claim 1 , a diamine claim 1 , a thioester claim 1 , a phosphate claim 1 , a quinoline claim 1 , or a mixture thereof.5. The process of wherein the antioxidant is 2 claim 1 ,6-di-t-butyl-.alpha.-dimethylamino-p-cresol.6. The process of wherein the amount of antioxidant incorporated into the cation-exchange resin catalyst is from 0.001 to 10 percent by weight.7. The treated promoted ion exchange resin of .8. The method of using the treated promoted ion exchange resin of in a condensation reaction. The present invention relates to the treatment of a promoted strong acid ion exchange resin for use as an acid catalyst with an antioxidant to protect the resin from oxidative degradation and the use of said treated promoted ion exchange resin catalyst in chemical production processes.Polymeric promoted ion exchange resins, such as sulfonated styrene-divinylbenzene types of strong acid ion exchange resins are used as catalysts in the production of various organic chemicals including for example bisphenol-A and alkyl phenol. These catalysts are susceptible to oxidation during manufacture, storage, handling, processing, washing, and drying prior to use. Oxidative degradation ...

APPARATUS AND METHOD FOR PREPARING BISPHENOL A

The present application relates to a bisphenol A preparation apparatus and preparation method, and provides a bisphenol A preparation apparatus and preparation method, which can increase the overall energy efficiency of a process by using an internal heating source. 118-. (canceled)19. A method for preparing bisphenol A comprising steps of:crystallizing bisphenol A through a first crystallizer in a bisphenol A concentration stream comprising a reaction product that phenol and acetone are reacted and discharging the adduct of crystallized bisphenol A and phenol;separating the adduct of crystallized bisphenol A and phenol in said first crystallizer from the mother liquor through a first solid-liquid separator and discharging it;introducing a phenol stream into the adduct of crystallized bisphenol A and phenol discharged from said first solid-liquid separator through a phenol introduction port and discharging a mixed stream of the phenol with said adduct of crystallized bisphenol A and phenol;heating said phenol stream through a first heat exchanger before introducing the phenol stream through said phenol introduction port;melting the adduct of crystallized bisphenol A and phenol in the mixed stream flowing out from said phenol introduction port through a second heat exchanger to discharge a molten stream; andintroducing said discharged molten stream to recrystallize bisphenol A through a second crystallizer.20. The method for preparing bisphenol A according to claim 19 , wherein the first heat exchanger comprises a separation line for separating pentane present in said phenol stream.21. The method for preparing bisphenol A according to claim 20 , further comprising a step of separating pentane in the phenol stream through a separation line of the first heat exchanger.22. The method for preparing bisphenol A according to claim 19 , wherein the introduction of the phenol stream comprises introducing phenol in a range of 40° C. to 100° C. through the phenol introduction ...

Processes for preparing calixarenes

This invention relates to a process for preparing a calixarene compound by reacting a phenolic compound and an aldehyde in the presence of at least one nitrogen-containing base as a catalyst to form the calixarene compound. The invention also relates to processes for high-yield, high solid-content production of a calixarene compound, with high selectivity toward a high-purity calix[8]arene compound, without carrying out a recrystallization step.

PROCESS OF PRODUCING AND USE OF A TREATED, PROMOTED ION EXCHANGE RESIN CATALYST

The present invention relates to the treatment of a promoted strong acid ion exchange resin for use as an acid catalyst with an antioxidant to protect the resin from oxidative degradation and the use of said treated promoted ion exchange resin catalyst in chemical production processes. 1. A process for producing a treated promoted ion exchange resin catalyst comprisingproviding a promoted ion exchange resin catalyst having an attached thiol promoter, andcontacting the promoted ion exchange resin catalyst with 2,6-di-t-butyl-.alpha.-dimethylamino-p-cresol to produce a treated promoted ion exchange resin.2. The process of wherein the ion exchange resin catalyst is a sulfonic acid-type cation-exchange resin catalyst.3. The process of wherein the cation-exchange resin catalyst is a sulfonated styrene-divinyl benzene copolymer.4. The process of wherein the amount of antioxidant incorporated into the cation-exchange resin catalyst is from 0.001 to 10 percent by weight.5. The process of wherein the 2 claim 1 ,6-di-t-butyl-.alpha.-dimethylamino-p-cresol is bound.6. The process of wherein the thiol promoter is attached to the resin via an amine group of the promoter.7. The process of claim 1 , wherein the thiol promoter is selected from the group consisting of 2-mercaptomethylpyridine claim 1 , cysteamine claim 1 , and 4-aminobutanethiol.8. The treated promoted ion exchange resin of .9. The method of using the treated promoted ion exchange resin of in a condensation reaction. The present invention relates to the treatment of a promoted strong acid ion exchange resin for use as an acid catalyst with an antioxidant to protect the resin from oxidative degradation and the use of said treated promoted ion exchange resin catalyst in chemical production processes.Polymeric promoted ion exchange resins, such as sulfonated styrene-divinylbenzene types of strong acid ion exchange resins are used as catalysts in the production of various organic chemicals including for example ...

Robust promoter catalyst system

A modified ion exchange resin catalyst having an attached dimethyl thiazolidine promoter is disclosed. Also disclosed is a process for catalyzing condensation reactions between phenols and ketones, wherein reactants are contacted with a modified ion exchange resin catalyst having an attached dimethyl thiazolidine promoter. Also disclosed is a process for catalyzing condensation reactions between phenols and ketones that does not utilize a bulk promoter.

Compounds, compositions and methods for the treatment of tauopathies

Bis- and tris-dihydroxyaryl compounds and their methylenedioxy analogs and pharmaceutically acceptable esters, their synthesis, pharmaceutical compositions containing them, and their use in the treatment of tauopathies, such as Alzheimer's disease and Parkinson's disease, and the manufacture of medicaments for such treatment. 1. A compound of the formula A-R—B or a pharmaceutically acceptable salt thereof where , R is an unsubstituted C-Calkyl group; and where , A and B are unsubstituted dihydroxybenzyls.3. A pharmaceutical composition comprising the compound of and a pharmaceutically acceptable excipient.4. A method of treating and/or relieving a tauopathy in a mammal suffering therefrom claim 1 , comprising administration to the mammal of a therapeutically effective amount of a compound of the formula A-R—B or a pharmaceutically acceptable sat thereof; where claim 1 , R is an unsubstituted C-Calkyl group; and where claim 1 , A and B are unsubstituted dihydroxybenzyls.5. The method of claim 4 , wherein the tauopathy is selected from the group of diseases consisting of Alzheimer's disease (AD) claim 4 , Pick's disease (PiD) claim 4 , progressive supranuclear palsy (PSP) claim 4 , corticobasal degeneration (CBD) and familial frontotemporal dementia/Parkinsonism linked to chromosome 17 (FTDP-17) claim 4 , amyotrophic lateral sclerosis/Parkinsonism-dementia complex claim 4 , argyrophilic grain dementia claim 4 , dementia pugilistic/chronic traumatic encephalopathy claim 4 , diffuse neurofibrillary tangles with calcification claim 4 , progressive subcortical gliosis claim 4 , Huntington's disease (HD) and tangle only dementia.6. The method of claim 4 , wherein the mammal is a human.7. The method of claim 4 , wherein the amount of the compound administered is between 0.1 mg/Kg/day and 1000 mg/Kg/day.8. The method of claim 4 , wherein the amount of compound administered is between 1 mg/Kg/day and 100 mg/Kg/day.9. The method of claim 4 , wherein the amount of compound ...

PROCESSES FOR PREPARING CALIXARENES

This invention relates to a process for preparing a calixarene compound by reacting a phenolic compound and an aldehyde in the presence of at least one nitrogen-containing base as a catalyst to form the calixarene compound. The invention also relates to processes for high-yield, high solid-content production of a calixarene compound, with high selectivity toward a high-purity calix[8]arene compound, without carrying out a recrystallization step. 1. A process for preparing a calixarene compound , comprising:reacting a phenolic compound and an aldehyde in the presence of at least one nitrogen-containing base as a catalyst to form the calixarene compound,wherein the phenolic compound is para-nonylphenol (PNP) or para-dodecylphenol (PDDP), andwherein the process produces a calixarene-containing product having at least 40% solids.2. The process of claim 1 , wherein the process produces a calixarene-containing product having at least 50% solids.3. The process of claim 1 , wherein the nitrogen-containing base is a tetraalkyl ammonium hydroxide claim 1 , wherein each alkyl moiety in the tetraalkyl ammonium hydroxide is independently Cto Calkyl.4. The process of claim 3 , wherein the tetraalkyl ammonium hydroxide is tetramethyl ammonium hydroxide.6. The process of claim 4 , wherein the amidine compound is selected from the group consisting of 1 claim 4 ,8-diazabicyclo[5.4.0]undec-7-ene (DBU) claim 4 , 1 claim 4 ,5-diazabicyclo[4.3.0]non-5-ene (DBN) claim 4 , 1 claim 4 ,2-dimethyl-1 claim 4 ,4 claim 4 ,5 claim 4 ,6-tetrahydropyrimidine claim 4 , 1-ethyl-2-methyl-1 claim 4 ,4 claim 4 ,5 claim 4 ,6-tetrahydropyrimidine claim 4 , 1 claim 4 ,2-diethyl-1 claim 4 ,4 claim 4 ,5 claim 4 ,6-tetrahydropyrimidine claim 4 , 1-n-propyl-2-methyl-1 claim 4 ,4 claim 4 ,5 claim 4 ,6-tetrahydropyrimidine claim 4 , 1-isopropyl-2-methyl-1 claim 4 ,4 claim 4 ,5 claim 4 ,6-tetrahydropyrimidine claim 4 , 1-ethyl-2-n-propyl-1 claim 4 ,4 claim 4 ,5 claim 4 ,6-tetrahydropyrimidine claim 4 , and 1- ...

COMPOUND, RESIN, MATERIAL FOR FORMING UNDERLAYER FILM FOR LITHOGRAPHY, UNDERLAYER FILM FOR LITHOGRAPHY, PATTERN FORMING METHOD, AND METHOD FOR PURIFYING COMPOUND OR RESIN

A compound represented by the following formula (1). 2. The compound according to claim 1 , wherein the at least one Rrepresents a hydroxyl group or a thiol group.3. The compound according to claim 1 , wherein the at least one Rand/or the at least one Rrepresent/represents a hydroxyl group and/or a thiol group.1012.-. (canceled)14. A material for forming an underlayer film for lithography claim 1 , comprising the compound according to .15. A material for forming an underlayer film for lithography claim 13 , comprising the resin according to .16. The material for forming the underlayer film for lithography according to claim 14 , further comprising an organic solvent.17. The material for forming the underlayer film for lithography according to claim 14 , further comprising an acid generating agent.18. The material for forming the underlayer film for lithography according to claim 14 , further comprising a crosslinking agent.19. An underlayer film for lithography claim 14 , formed from the material for forming the underlayer film for lithography according to .20. A resist pattern forming method claim 14 , comprising{'claim-ref': {'@idref': 'CLM-00014', 'claim 14'}, 'step (A-1) of forming an underlayer film on a substrate by using the material for forming the underlayer film according to ,'}step (A-2) of forming at least one photoresist layer on the underlayer film, andstep (A-3) of, after step (A-2), irradiating a predetermined region of the photoresist layer with radiation, followed by developing.21. A circuit pattern forming method comprising{'claim-ref': {'@idref': 'CLM-00014', 'claim 14'}, 'step (B-1) of forming an underlayer film on a substrate by using the material for forming the underlayer film according to ,'}step (B-2) of forming an intermediate layer film on the underlayer film by using a silicon atom-containing resist intermediate layer film material,step (B-3) of forming at least one photoresist layer on the intermediate layer film,step (B-4) of, after ...

CATALYST SYSTEM AND PROCESS FOR PRODUCING BISPHENOL-A

A catalyst system useful in the production of bisphenol-A comprises (a) an acidic heterogeneous catalyst; (b) a first catalyst promoter comprising at least one organic sulfur-containing compound; and (c) a second catalyst promoter different from the first catalyst promoter and comprising at least one organic Brønsted acidic ionic compound. 1. A catalyst system useful in the production of bisphenol-A comprising:(a) an acidic heterogeneous catalyst;(b) a first catalyst promoter comprising at least one organic sulfur-containing compound; and(c) a second catalyst promoter different from the first catalyst promoter and comprising at least one organic Brønsted acidic ionic compound.2. The catalyst system of claim 1 , wherein the acidic heterogeneous catalyst comprises an ion exchange resin.3. The catalyst system of claim 1 , wherein the acidic heterogeneous catalyst comprises a sulfonated ion exchange resin.4. The catalyst system of claim 1 , wherein the at least one organic sulfur-containing compound is selected from the group consisting of an alkyl mercaptans claim 1 , mercaptocarboxylic acids claim 1 , mercaptosulfonic acids claim 1 , mercaptoalkylpyridines claim 1 , mercaptoalkylamines claim 1 , thiazolidines and aminothiols.5. The catalyst system of claim 1 , wherein the at least one organic Brønsted acidic ionic compound is a liquid at 25° C.6. The catalyst system of claim 1 , wherein the at least one organic Brønsted acidic ionic compound comprises a zwitterionic compound.7. A process for producing bisphenol-A by the reaction of acetone and phenol in a reaction medium in the presence of a catalyst system claim 1 , wherein the catalyst system comprises:(a) an acidic heterogeneous catalyst;(b) a first catalyst promoter comprising at least one organic sulfur-containing compound; and(c) a second catalyst promoter different from the first catalyst promoter and comprising at least one organic Brønsted acidic ionic compound.8. The process of claim 7 , wherein the acidic ...

Process for the manufacture of terphenyl compounds

A process for the manufacture of terphenyl compounds comprising reacting at least one compound of general formula (I) with at least one cyclic compound and wherein the process is carried out in the presence of a mixture which contains at least one Lewis acid, optionally, at least one thio compound of formula R—S—R′ and at least one co-catalyst compound selected from the group consisting of C 1 -C 10 alkanols, C 1 -C 10 amides, C 1 -C 10 ethers and C 1 -C 10 amines; and wherein the ratio of the total molar amount of Lewis acid and co-catalyst compound to the molar amount of compound (C) is equal to or above 5:1 and equal to or below 20:1 and the molar ratio co-catalyst compound to Lewis acid is equal to or above 0.01:1.

METHOD FOR PREPARING 3-SUBSTITUTED 2-VINYLPHENYL SULFONATES

The present invention relates to a method for preparing 3-substituted 2-vinylphenyl sulfonates. 2. Method according to claim 1 , wherein a) and b) are carried out in a one-pot process.3. Method according to claim 1 , wherein one or more bases selected from the group consisting of trialkylamines claim 1 , pyridyl bases claim 1 , alkoxide bases and amidine bases is used in (a) and (b).4. Method according to claim 3 , wherein the base used is tributylamine.5. Method according to claim 1 , wherein one or more solvents are used in (a) and (b) selected from the group consisting of petroleum ether claim 1 , n-hexane claim 1 , n-heptane claim 1 , cyclohexane claim 1 , methylcyclohexane claim 1 , toluene claim 1 , o-xylene claim 1 , m-xylene claim 1 , p-xylene claim 1 , decaline claim 1 , chlorobenzene claim 1 , 1 claim 1 ,2-dichlorobenzene claim 1 , dichloromethane claim 1 , chloroform claim 1 , tetrachloromethane claim 1 , dichloroethane claim 1 , trichloroethane claim 1 , diethyl ether claim 1 , diisopropyl ether claim 1 , methyl tert-butyl ether claim 1 , methyl tert-amyl ether claim 1 , 1 claim 1 ,4-dioxane claim 1 , tetrahydrofuran claim 1 , 2-methyltetrahydrofuran claim 1 , 1 claim 1 ,2-dimethoxyethane claim 1 , 1 claim 1 ,2-diethoxyethane claim 1 , diglyme claim 1 , anisole claim 1 , acetonitrile claim 1 , propionitrile claim 1 , n-butyronitrile claim 1 , isobutyronitrile claim 1 , benzonitrile claim 1 , ethyl acetate claim 1 , N claim 1 ,N-dimethylformamide claim 1 , N claim 1 ,N-dimethylacetamide claim 1 , dimethylsulfoxide.6. Method according to claim 1 , wherein the solvent used is toluene or methyl tert-butyl ether.7. Method according to claim 1 , wherein{'sup': '1', 'Ris methyl, ethyl, n-propyl, isopropyl, n-butyl, phenyl, 4-methylphenyl or benzyl,'}{'sup': '2', 'Ris Cl, F, Br, I or methyl, and'}{'sup': 3', '1, 'sub': '2', 'Ris F, Cl or OSOR.'}9. Method according to claim 8 , wherein a deprotonating agent is first added to the compound of the formula (IV) ...

Robust Promoter Catalyst System

A modified ion exchange resin catalyst having an attached dimethyl thiazolidine promoter is disclosed. Also disclosed is a process for catalyzing condensation reactions between phenols and ketones, wherein reactants are contacted with a modified ion exchange resin catalyst having an attached dimethyl thiazolidine promoter. Also disclosed is a process for catalyzing condensation reactions between phenols and ketones that does not utilize a bulk promoter.

PROCESS FOR PREPARING CATALYSTS

Catalysts having a higher total capacity and containing fewer organic impurities are provided for condensation, addition and esterification reactions, as well as a process for preparing these catalysts and for use of the catalysts for preparation of bisphenols. 1. A process for preparing a catalyst gel , the process comprising: at least one monoethylenically unsaturated aromatic compound selected from the group consisting of styrene, α-methylstyrene, vinyltoluene, ethylstyrene, t-butylstyrene, chlorostyrene, bromostyrene, chloromethylstyrene vinylnaphthalene, and mixtures of thereof, and', 'at least one multiethylenically unsaturated compound selected from the group consisting of divinylbenzene, divinyltoluene, trivinylbenzene, octadiene, triallyl cyanurate, and mixtures thereof, and, 'mixing crosslinked bead polymer comprising monomers derived fromsulphuric acid having an initial concentration of 98% by weight to 99% by weight to form a reaction mixture in the presence of less than 1 wt. % swelling agent, based on the weight of the mixture;sulphonating the crosslinked bead polymer at a temperature of 50° C. to 160° C. to produce sulphonated cross-linked bead polymers, wherein the concentration of the sulphuric acid in the reaction mixture is at least 75% by weight, and the reaction mixture comprises 70% to 95% by weight sulphuric acid and 5% to 30% by weight bead polymer, based on the total amount of sulphuric acid and bead polymer, and a sum total of the percentages by weight of sulphuric acid and bead polymer in the reaction mixture is >98% by weight; andreacting the sulphonated crosslinked bead polymers with 2,2′-dimethylthiazolidine to produce a catalyst gel.2. The process according to claim 1 , wherein the cross-linked bead polymer consists of monomers derived from the at least one monoethylenically unsaturated aromatic compound claim 1 , and monomers derived from the at least one multiethylenically unsaturated compound4. The process according to claim 1 , ...

METHOD FOR PRODUCING PARATHYMOL

The present invention relates to a process for the preparation of 4-isopropyl-3-methylphenol (p-thymol) from distillation residues of thymol production. 2. The process as claimed in claim 1 , characterized in that the residue according to step a) comprises 10 to 30% by weight of 4-isopropyl-3-methylphenol.3. The process as claimed in or claim 1 , characterized in that claim 1 , in step b) claim 1 , the crystallization takes places by cooling the residue which remains according to step a) claim 1 , the temperature difference during cooling being 30 K or more claim 1 , preferably 40 K or more claim 1 , preferably 40 to 100 K.4. The process as claimed in any one of to claim 1 , characterized in that stirring is carried out during cooling in step h).5. The process as claimed in any one of to claim 1 , characterized in that in step b) the crystallization is induced or accelerated by seeding with crystalline 4-isopropyl-3-methyl-phenol.6. The process as claimed in any one of to claim 1 , characterized in that the degree of purity of the crude 4-isopropyl-3-methylphenol obtained in step b) is 75 to 90% by weight claim 1 , preferably 80 to 90% by weight.7. The process as claimed in any one of to claim 1 , characterized in that the fraction of the crude 4-isopropyl-3-methylphenol obtained in step b) is 60 to 90% by weight claim 1 , preferably 70 to 90% by weight claim 1 , based on the content of 4-isopropyl-3-methylphenol in the distillation residue used for step b).8. The process as claimed in any one of to claim 1 , characterized in that the organic solvent used in step c) consists to at least 80% by weight claim 1 , preferably to at least 90% by weight and particularly preferably to at least 98% by weight claim 1 , of hydrocarbons or halogenated hydrocarbons or a mixture thereof claim 1 , which particular preference being given to using exclusively hydrocarbons or halogenated hydrocarbons as are commercially available in technical or laboratory grade as solvents.9. The ...

Pyrogallol[2]resorcin[2]arene

A one pot synthesis of a mixed macrocycle of resorcinol and pyrogallol is disclosed using an acidic catalyst by conventional as well as by microwave assisted methods. Compared with traditional synthesis, the microwave mediated tactic provides a simple, greener route and affords higher compound yields in a shorter period. Moreover, the catalyst can be efficiently reused without any loss in activity.

CROSS-LINKED POLYSTYRENE CATALYST, METHOD OF MAKING, AND USES THEREOF

In an embodiment, a catalyst comprises a porous carrier having 5 to 200 pores per 2.54 centimeters and a pore volume of at least 90 vol % based on the total volume of the porous carrier; wherein the porous carrier comprises one or both of carbon and a metal; and a sulfonated, cross-linked polystyrene located on at least part of a surface of the porous carrier. 1. A catalyst comprising:a porous carrier having 5 to 200 pores per 2.54 centimeters and a pore volume of at least 90 vol % based on the total volume of the porous carrier; wherein the porous carrier comprises one or both of carbon and a metal; anda sulfonated, cross-linked polystyrene located on at least part of a surface of the porous carrier.2. The catalyst of claim 1 , wherein the sulfonated claim 1 , cross-linked polystyrene is grafted onto a thermoplastic layer located on the surface of the porous carrier.3. The catalyst of claim 1 , wherein the sulfonated claim 1 , cross-linked polystyrene comprises 0.5 to 20 mol % of a repeat unit derived from a cross-linker relative to a total amount of repeat units.4. The catalyst of claim 1 , wherein the catalyst has an initial acid content of 0.01 to 0.2 milli-equivalents of acid groups per cmof the catalyst.5. The catalyst of claim 4 , wherein claim 4 , when introduced to a solution comprising phenol claim 4 , acetone claim 4 , or a combination thereof at a temperature of 75° C. for 24 hours claim 4 , the sulfonated claim 4 , cross-linked polystyrene retains at least 75 wt % of the initial acid content.6. A method of making the catalyst of claim 1 , comprising:polymerizing a polymerization mixture comprising a styrene monomer and a cross-linker in the presence of the porous carrier to form a polystyrene coated porous carrier having a cross-linked polystyrene located on the at least part of the surface of the porous carrier;separating the polystyrene coated porous carrier from the polymerization mixture;further polymerizing the cross-linked polystyrene after the ...

Fluorine-Containing Aromatic Compound and Method for Producing Same

Disclosed is a fluorine-containing aromatic compound represented by the following general formula (1) and its production method. In the formula (1), Ris a hydroxyl group or amino group, each of Rto Ris independently a hydrogen atom, or a Cstraight chain or a Cor Cbranched chain alkyl group, hydrogen atoms of the alkyl group may partially or totally be replaced with fluorine atoms, n is an integer of 0 to 2, and each of m and l is independently 0 or 1. A polymer derived from this fluorine-containing aromatic compound contains —C(CF)OH group at a position away from the polymer main chain. Therefore, it is useful for resist use. 15. The production method as claimed in claim 8 , which is characterized by that the acid catalyst is methanesulfonic acid. The present invention relates to a novel fluorine-containing aromatic compound and a method for producing the same. It relates to a novel fluorine-containing aromatic compound, and a method for producing the same, which is superior in adhesion to the substrate, when making a resist material prepared by its use with a photoacid generator, etc. after turning it into a polymerizable compound and then its polymerization, and which is for providing a precision resist pattern in lithography.Fluorine-containing compounds are used as functional materials by using characteristics such as having water repellency, low water absorption, high heat resistance, corrosion resistance, transparency, low dielectric constant, or low refractive index.Hexafluoroisopropanol group is known as a functional group that provides particularly polyolefins, condensation-series polymers, etc. with an appropriate hydrophilicity in addition to low water absorption or transparency.For example, polymer compounds having a hexafluoroisopropanol group(s), that is, a 2-hydroxy-1,1,1,3,3,3-hexafluoroisopropyl group(s), —C(CF)OH (in the following, may be referred to as HFIP group) are superior in adhesion to the substrate, when making a coating film by dissolving ...

PROCESSES FOR PREPARING CALIXARENES

This invention relates to a process for preparing a calixarene compound by reacting a phenolic compound and an aldehyde in the presence of at least one nitrogen-containing base as a catalyst to form the calixarene compound. The invention also relates to processes for high-yield, high solid-content production of a calixarene compound, with high selectivity toward a high-purity calix[8]arene compound, without carrying out a recrystallization step. 1. A process for preparing a calixarene compound , comprising:{'sub': 1', '2, 'reacting a phenolic compound and an aldehyde in the presence of at least one nitrogen-containing base as a catalyst to form the calixarene compound, wherein the nitrogen-containing base is a tetraalkyl ammonium hydroxide, wherein each alkyl moiety in the tetraalkyl ammonium hydroxide is independently Cto Calkyl.'}2. The process of claim 1 , wherein the tetraalkyl ammonium hydroxide is tetramethyl ammonium hydroxide.3. The process of claim 1 , wherein the tetraalkyl ammonium hydroxide is tetraethyl ammonium hydroxide.4. The process of claim 1 , wherein the phenolic compound is phenol claim 1 , an alkyl phenol claim 1 , or an arylalkyl phenol.5. The process of claim 4 , wherein the phenolic compound is a para-C-Calkyl phenol claim 4 , benzyl phenol claim 4 , or cumyl phenol.6. The process of claim 1 , wherein the aldehyde is formaldehyde or paraformaldehyde.7. The process of claim 1 , wherein the molar ratio of the phenolic compound to the aldehyde ranges from about 1:1.5 to about 1.5:1 claim 1 , and the molar ratio of the phenolic compound to the nitrogen-containing base ranges from about 200:1 to about 20:1.8. The process of claim 1 , wherein the reaction is carried out in the presence of an organic solvent.9. The process of claim 8 , wherein the mass ratio of the phenolic compound to the organic solvent is no less than 0.25:1.10. The process of claim 1 , wherein the reaction is carried out under reflux conditions.11. The process of claim 1 , ...

AROMATIC POLYCARBONATE RESIN, METHOD FOR PRODUCING SAME, AND AROMATIC DIHYDROXY COMPOUND

Provided is an aromatic polycarbonate resin that has not only high fluidity and thin-wall moldability but also excellent hue and transparency. The aromatic polycarbonate resin contains a structural unit derived from an aromatic dihydroxy compound and a carbonate-forming compound. A hydrolysate obtained by hydrolysis of the aromatic polycarbonate resin contains aromatic dihydroxy compounds represented by the following Formulae (2) and (3), and the content of the compound represented by Formula (2) is 250 ppm by mass or less with respect to that of the compound represented by Formula (3), wherein Rrepresents an alkyl group having 1 to 24 carbon atoms; Rand Reach independently represent a monovalent hydrocarbon group having 1 to 15 carbon atoms; and a and b each independently represent an integer of 0 to 4: 2. The aromatic polycarbonate resin according to claim 1 , having a viscosity-average molecular weight of 9 claim 1 ,000 or higher.3. The aromatic polycarbonate resin according to claim 1 , wherein the content of the aromatic dihydroxy compound represented by the Formula (2) in the hydrolysate is not less than 1 ppm by mass with respect to that of the aromatic dihydroxy compound represented by the Formula (3).4. The aromatic polycarbonate resin according to claim 1 , wherein claim 1 , in the Formulae (1) to (3) claim 1 , Rrepresents an alkyl group having 6 to 24 carbon atoms.5. A method of producing the aromatic polycarbonate resin according to claim 1 , the method comprising the polymerization step of polymerizing the aromatic dihydroxy compound and the carbonate-forming compound in the presence of an alkali catalyst.6. The method of producing the aromatic polycarbonate resin according to claim 5 , wherein the polymerization step is performed by a transesterification method.7. The method of producing the aromatic polycarbonate resin according to claim 6 , wherein claim 6 , in the polymerization step claim 6 , a transesterification catalyst is deactivated after a ...

MULTI-FUNCTIONAL PHENOLIC RESINS

Disclosed herein are compositions and methods of making phenolic compounds and phenolic resins. The resins include multifunctional epoxies, amino glycidyl derivatives, alkanoate derivatives, alkyl ether derivatives, and multi-functional amines prepared from hydroxymethyl derivatives of novolac resin. 23.-. (canceled)4. The compound of claim 1 , wherein R claim 1 , R claim 1 , and Rare each independently H.5. The compound of claim 1 , wherein Ris —NH claim 1 , —N(CH) claim 1 , —O—C(═O)—CH═CH claim 1 , —NCO claim 1 , —O—C(═O)—(CH)—CH claim 1 , —NH—C(═O)CH═CH claim 1 , —O—Z claim 1 , —O—(CH)—CH claim 1 , —NH—Z claim 1 , or —N(CHCHOH).68.-. (canceled)9. The compound of claim 1 , wherein R claim 1 , R claim 1 , Rand Rare each independently —NH claim 1 , —N(CH) claim 1 , —O—C(═O)—CH═CH claim 1 , —NCO claim 1 , —O—C(═O)—(CH)—CH claim 1 , —NH—C(═O)CH═CH claim 1 , —O—Z claim 1 , —O—(CH)—CH claim 1 , —NH—Z claim 1 , or —N(CHCHOH).10. The compound of claim 1 , wherein:{'sub': 1', '2', '2', '2', 'n, 'Ris —C(═O)—CH═CHor —(CH—CH—O)H;'}{'sub': 2', '2', '2', '2', 'p, 'each Ris —C(═O)—CH═CHor —(CH—CH—O)H;'}{'sub': 3', '2', '2', '2', 'q, 'Ris —C(═O)—CH═CHor —(CH—CH—O)H;'}{'sub': 4', '2', '2', '2', '2', '2', '2', '2', '2, 'Ris —N(Z), —N(CH—O—Z), —N(CH—CH—NH)or —O—C(═O)—CH═CH;'}{'sub': 5', '2', '2', '2', '2', '2', '2', '2', '2, 'Ris —N(Z), —N(CH—O—Z), —N(CH—CH—NH)or —O—C(═O)—CH═CH;'}{'sub': 6', '2', '2', '2', '2', '2', '2', '2', '2, 'Ris —N(Z), —N(CH—O—Z), —N(CH—CH—NH)or —O—C(═O)—CH═CH;'}{'sub': 7', '2', '2', '2', '2', '2', '2', '2', '2, 'each Ris —N(Z), —N(CH—O—Z), —N(CH—CH—NH)or —O—C(═O)—CH═CH; and'}{'sub': 8', '2', '2', '2', '2', '2', '2', '2', '2, 'Ris —N(Z), —N(CH—O—Z), —N(CH—CH—NH)or —O—C(═O)—CH═CH.'}11. The compound of claim 1 , wherein Ris —H claim 1 , each Ris —H claim 1 , Ris —H claim 1 , Ris —O—C(═O)—CH═CH claim 1 , Ris —O—C(═O)—CH═CH claim 1 , Ris —O—C(═O)—CH═CH claim 1 , each Ris —O—C(═O)—CH═CH claim 1 , and Ris —O—C(═O)—CH═CH.12. The compound of claim 1 , wherein Ris —H ...

ONE-STEP FLOW-MEDIATED SYNTHESIS OF CANNABIDIOL (CBD) AND DERIVATIVES

Herein are described apparatus and processes for the preparation of cannabinoids, such as cannabidiol (CBD) and derivatives thereof. The apparatus and processes described can be used for the one-step, flow-mediated synthesis of cannabidiol and derivatives with improved overall yield, material throughput, and product purity relative to batch processes. 4. The process according to claim 1 , wherein the second compound is (IIA) and Zis CRor the second compound is (IIB) claim 1 , and Rin (IIA) and (IIB) is —COH claim 1 , and wherein the process further comprises a decarboxylation step.5. The process according to claim 4 , wherein the decarboxylation step comprises continuous flow thermolysis.6. The process according to claim 1 , further comprising diluting the solution comprising CBD or the derivative thereof.7. The process according to claim 6 , wherein said diluting produces a two phase solution claim 6 , having a first and second phase claim 6 , wherein the first phase has a higher concentration of CBD or the derivative thereof.8. The process according to claim 7 , further comprising separating the first phase from the second phase.9. The process according to claim 8 , wherein said separating comprises a membrane separation step.10. The process according to claim 1 , further comprising separating CBD or the derivative thereof from the solution comprising the CBD or derivative thereof.11. The process according to claim 10 , wherein separating comprises a membrane separation step.12. The process according to claim 1 , further comprising isolating the CBD or derivative thereof using a method selected from crystallization claim 1 , concentration claim 1 , distillation claim 1 , drying claim 1 , spray drying claim 1 , precipitation claim 1 , chromatographic separation claim 1 , extraction claim 1 , filtering or combinations thereof.14. The process according to claim 13 , wherein Ris XR.15. The process according to claim 13 , wherein Ris alkyl.19. The process according to ...

PROMOTER CATALYST SYSTEM WITH SOLVENT PURIFICATION

Methods for performing a condensation reaction are disclosed. Specifically, various methods for the production of highly-pure bisphenol-A are disclosed in which an attached promoter ion exchange resin catalyst system is combined with a solvent crystallization step. 1. A process for a chemical condensation reaction comprising contacting at least two chemical reagents comprising at least one of a phenol and a ketone with an attached promoter ion exchange resin catalyst system to produce an effluent stream , and then subjecting the effluent stream to a solvent crystallization step , wherein the attached promoter is an ion exchange resin catalyst system that comprises a cross-linked , sulfonated ion exchange resin having sulfonic groups , wherein the solvent used in the crystallization step comprises an aromatic solvent that comprises one or more of toluene , benzene , and xylene , and wherein the solvent crystallization step removes at least a portion of one or more bisphenol-A byproducts.2. The process of claim 1 , wherein the attached promoter ion exchange resin catalyst system has a degree of cross-linking of from about 1% to about 4%.3. The process of claim 2 , wherein the degree of cross-linking is from about 1.5% to about 2.5%.4. The process of claim 2 , wherein the degree of cross-linking is about 2%.5. The process of claim 1 , wherein the attached promoter ion exchange resin catalyst system comprises a dimethyl thiazolidine promoter.6. The process of claim 1 , wherein the attached promoter ion exchange resin catalyst system comprises a pyridyl ethylmercapton promoter.7. The process of claim 2 , wherein the attached promoter ion exchange resin catalyst system comprises a promoter that is ionically bound to from about 18% to about 25% of sulfonic acid groups present on the ion exchange resin.8. The process of claim 2 , wherein the attached promoter ion exchange resin catalyst system comprises a promoter that is ionically bound to from about 20% to about 24% of ...

A METHOD FOR THE CONTINUOUS MANUFACTURE OF BISPHENOL A

In an embodiment, a method for the continuous manufacture of bisphenol A comprises reacting phenol and acetone in the presence of an acidic catalyst to form a product mixture comprising bisphenol A and phenol; directing the product mixture to a crystallization unit comprising a crystallization vessel and a heat exchanger for cooling the product mixture; and crystallizing bisphenol A-phenol adduct crystals from said product mixture in said crystallization unit to form a suspension of crystals; wherein a production rate of the bisphenol A through the heat exchanger is less than or equal to 18 kg bisphenol A per m of a heat exchanging surface per hour. 1. A method for the continuous manufacture of bisphenol A comprising:reacting phenol and acetone in the presence of an acidic catalyst to form a product mixture comprising bisphenol A and phenol;directing the product mixture to a crystallization unit comprising a crystallization vessel and a heat exchanger to form a cooled bisphenol A stream; andcrystallizing bisphenol A-phenol adduct crystals from said product mixture in said crystallization unit to form a crystallized stream comprising a suspension of crystals;{'sup': '2', 'wherein a production rate of the bisphenol A through the heat exchanger is less than or equal to 18 kg bisphenol A per mof a heat exchanging surface per hour.'}2. The method of claim 1 , wherein the production rate is 2 to 18 kg bisphenol A/mh.3. The method of claim 1 , wherein the product mixture comprises20 to 35 wt % of bisphenol A,55 to 70 wt % phenol,0 to 3.5 wt % water, and0 to 1.5 wt % acetone;all based on a total weight of the product mixture.4. The method of claim 1 , wherein the product mixture comprises 0 to 1.5 wt % of acetone based on the total weight of the product mixture.5. The method of claim 1 , wherein the crystallizing occurs in one crystallization unit.6. The method of claim 1 , wherein a total heat exchanging surface area of the heat exchanger is 150 to 2 claim 1 ,000 m.7. The ...

METHOD OF MANUFACTURING 4,4"-DIHYDROXY-M-TERPHENYL

To achieve the object of providing a new method of manufacturing 4,4″-dihydroxy-m-terphenyl, the present invention provides a method of manufacturing 4,4″-dihydroxy-m-terphenyl expressed by General Formula (4) below, characterized in that such method uses a 2-cyclohexene-1-one expressed by General Formula (1) below or 3-hydroxycyclohexane-1-one expressed by General Formula (2) below, and phenol expressed by General Formula (3) below as materials and implements Step (A), Step (B), and Step (C) below, in this order, or Step (D) and Step (C) below, in this order: 1. A method of manufacturing 4,4″-dihydroxy-m-terphenyl expressed by General Formula (4) below, characterized by using a 2-cyclohexene-1-one expressed by General Formula (1) below or 3-hydroxycyclohexane-1-one expressed by General Formula (2) below, and phenol expressed by General Formula (3) below as materials and implementing Step (A), Step (B) and Step (C) below, in this order, or Step (D) and Step (C) below, in this order:{'sub': 2', '2', '2', '2', '2', '2, "(in the formulas, each Rindependently represents an alkyl group, alkoxy group, aromatic hydrocarbon group, or halogen atom, while m indicates 0 or an integer of 1 to 4, where Rsubstitution does not occur in a third position when m is 1 or greater, and when m is 2 or greater, R's may be identical or different, and Rsubstitution does not occur in two positions of a same carbon atom; in addition, Rand m in General Formula (1) may be identical to or different from Rand m in General Formula (2), respectively);"}{'sub': 1', '1, "(in the formula, each Rindependently represents an alkyl group, alkoxy group, aromatic hydrocarbon group, halogen atom, or hydroxyl group, while n indicates 0 or an integer of 1 to 4, where R's may be identical or different when n is 2 or greater);"}Step (A): Step to obtain a 1,1,3-trisphenol expressed by General Formula (5) below by causing the 2-cyclohexene-1-one or 3-hydroxycyclohexane-1-one and phenol to react with each other in ...

PROCESS FOR PRODUCING BISPHENOL-A

A process for producing bisphenol-A comprises reacting acetone and phenol in the presence of a catalyst system comprising an acidic heterogeneous catalyst and a catalyst promoter comprising at least one organic sulfur-containing compound to produce a reaction effluent comprising bisphenol-A, water, unreacted acetone, unreacted phenol and at least part of the catalyst promoter. At least part of the reaction effluent is distilled to remove water, catalyst promoter and unreacted acetone, and leave a residual stream containing bisphenol A. At least part of the residual stream is then contacted with a basic anion exchange resin to produce a purified stream, from which bisphenol-A is recovered. 1. A process for producing bisphenol-A , the process comprising:(a) reacting acetone and phenol in the presence of a catalyst system comprising an acidic heterogeneous catalyst and a catalyst promoter comprising at least one organic sulfur-containing compound to produce a reaction effluent comprising bisphenol-A, water, unreacted acetone, unreacted phenol and at least part of the catalyst promoter;(b) distilling at least part of the reaction effluent to remove water, catalyst promoter and unreacted acetone, and leave a residual stream containing bisphenol A;(c) contacting at least part of the residual stream with a basic anion exchange resin to produce a purified stream; and(d) recovering bisphenol-A from the purified stream.2. The process of claim 1 , wherein the acidic heterogeneous catalyst comprises a sulfonated ion exchange resin.3. The process of claim 1 , wherein the catalyst promoter comprises at least one organic sulfur-containing compound selected from the group consisting of alkyl mercaptans claim 1 , mercaptocarboxylic acids claim 1 , mercaptosulfonic acids claim 1 , mercaptoalkylpyridines claim 1 , mercaptoalkylamines claim 1 , thiazolidines and aminothiols.4. The process of claim 1 , wherein the distilling (b) is conducted at a temperature from 155 to 185° C. and a ...

SYTHESIS OF BISPHENOLS

Various embodiments disclosed relate to methods and apparatus for synthesizing various biphenols. In various embodiments, the present invention provides a method of making a bisphenol including feeding a phenol at or proximate to the first end of a reactor column including a first end and a second end and including a solid catalyst distributed in multiple locations between the first end and the second end of the reactor column. The method includes feeding an oxomethylene compound to the reactor column at a first location that is at or proximate the first end and at one or more additional locations between the first location and the second end of the reactor column, and removing at least some water from the reactor column. The method includes removing a product composition including a diphenolmethylene product at or proximate to the second end of the reactor column. 1. A method of making a bisphenol , the method comprising: [{'sup': 1', '2', '1', '2', '1', '2, 'sub': 1', '10', '1', '20, 'feeding oxomethylene compound to the reactor column at a first location that is at or proximate the first end and at an additional location between the first location and the second end of the reactor column, wherein the oxomethylene compound has the structure R—C(O)—R, wherein Rand Rare each independently chosen from —H, halide, and a substituted or unsubstituted (C-C)hydrocarbyl, or Rand Rtogether form a substituted or unsubstituted (C-C)hydrocarbyl ring that comprises the —C(O)— of the oxomethylene compound;'}, 'contacting the phenol and the oxomethylene compound in the reactor column in the presence of the catalyst sufficiently to condense the phenol and oxomethylene compound to give a diphenolmethylene product and water;', 'removing at least some of the water from the reactor column by at least one of entraining the water in an inert gas and operating the reactor column under a vacuum; and', 'removing a product composition comprising the diphenolmethylene product at or proximate ...

METHOD FOR PRODUCING DIHYDROXY COMPOUNDS

The disclosure is directed to the use of an upflow reactor for producing a dihydroxy compound, to a method for producing a dihydroxy compound, and to a method for manufacturing polycarbonate. The upflow reactor for producing a dihydroxy compound of the disclosure comprises: a vessel; a catalyst bed disposed in said vessel; a distributor in fluid communication with an inlet through which reactants are introduced to said distributor, said distributor being disposed at a lower end of said vessel and comprising distributor perforation(s) disposed in said distributor, at least part of which distributor perforations are in a direction facing away from said catalyst bed; and a collector through which said product dihydroxy compound is removed, said collector being disposed at an upper end of said vessel. 1. An upflow reactor , comprising:a vessel;a catalyst bed disposed in said vessel;a distributor in fluid communication with an inlet through which reactants for producing a dihydroxy compound are introduced to said distributor, said distributor being disposed at a lower end of said vessel and comprising a distributor perforation disposed in said distributor, at least part of which distributor perforation is in a direction facing away from said catalyst bed; anda collector through which the dihydroxy compound is removed, said collector being disposed at an upper end of said vessel.2. The reactor according to claim 1 , wherein said reactor further comprises a distributor screen disposed between said distributor and said catalyst bed.3. The reactor according to claim 2 , further comprising a further distributor screen between said distributor screen and said collector.4. The reactor according to claim 2 , wherein said distributor screen comprises openings with a diameter of 50 to 300 μm and has a porosity of 10 to 50% open area.5. The reactor according to claim 1 , wherein said reactor comprises a second screen disposed at said collector.6. The reactor according to claim 5 , ...

BISPHENOL COMPOSITION CONTAINING AROMATIC ALCOHOL SULFONATE AND METHOD FOR PRODUCING SAME, POLYCARBONATE RESIN AND METHOD FOR PRODUCING SAME, AND BISPHENOL PRODUCTION METHOD

A bisphenol composition including a specific amount of aromatic alcohol sulfonate, and a simple method of producing it are provided. Also provided is a method of producing a polycarbonate resin in which, by using the bisphenol composition including a specific amount of aromatic alcohol sulfonate, melt polymerization reaction can be efficiently allowed to proceed to produce a polycarbonate resin having an excellent color tone. A bisphenol composition including an aromatic alcohol sulfonate at not less than 0.1 ppb by mass with respect to a bisphenol. A method of producing a bisphenol composition, including reacting a ketone or an aldehyde with an aromatic alcohol in the presence of sulfuric acid to produce a bisphenol composition. A method of producing a polycarbonate resin, including producing a polycarbonate resin using the bisphenol composition. A polycarbonate resin including a specific amount of aromatic alcohol sulfonate. 1. A bisphenol composition comprising an aromatic alcohol sulfonate at not less than 0.1 ppb by mass with respect to a bisphenol.2. The bisphenol composition according to claim 1 , wherein claim 1 , when a mixture of the bisphenol composition and diphenyl carbonate having a ratio of amounts of the diphenyl carbonate to the bisphenol of 1.1 is heated for 90 minutes on an aluminum block heater heated at 194° C. claim 1 , the phenol production rate in a reaction liquid obtained thereafter is not less than 0.3% by area.4. The bisphenol composition according to claim 3 , wherein X in the General Formula (1) and/or the General Formula (2) represents a sodium atom or a potassium atom.5. The bisphenol composition according to claim 1 , wherein the content of the aromatic alcohol sulfonate with respect to the bisphenol is not more than 1.0% by mass.6. The bisphenol composition according to claim 1 , wherein the content of the bisphenol in the composition is not less than 95.0% by mass.7. A method of producing a bisphenol composition claim 1 , ...

COMPOSITION CONTAINING MODIFIED BISPHENOL F

The invention relates to a composition that contains a binary mixture of bisphenol F and propoxylated bisphenol F. The aim of the invention is to provide aromatic polyols for preparing polyurethane-based and polyisocyanurate-based polymers, which ensure good handling from a technical point of view and good miscibility with the isocyanate component and render the end product flameproof. For this purpose, the invention devises a composition, which contains a binary mixture of ethoxylated bisphenol F and propoxylated bisphenol F in a weight ratio of 20:80 to 80:20. 1. A composition comprising ethoxylated bisphenol F andpropoxylated bisphenol F in a weight ratio of 20:80 to 80:20.2. The composition of claim 1 , wherein the ethoxylated bisphenol F is obtained by reaction of bisphenol F and ethylene carbonate.3. The composition of claim 1 , wherein the propoxylated bisphenol F is obtained by reaction of bisphenol F and propylene carbonate.4. The composition claim 1 , wherein the molar ratio bisphenol F:ethoxylating agent is at least 1:2 and/or the ratio bisphenol F:propoxylating agent is at least 1:2.5. The composition claim 1 , wherein the weight ratio of ethoxylated bisphenol F to propoxylated bisphenol F is 30:70 to 70:30.6. The composition claim 1 , further comprising an alkoxylated resorcinol.7. The composition of claim 6 , wherein the alkoxylated resorcinol is produced by reaction of resorcinol with a combination of ethoxylating agent and propoxylating agent.8. The composition of claim 6 , wherein the binary mixture is present in a weight ratio to the alkoxylated resorcinol of 80:20 to 20:80.9. A process comprising: a) adding bisphenol F into a reactor and melting at temperatures between 120° C. and 160° C.', 'b) adding an alkaline medium and heating to 180° C.', 'c) adding ethylene carbonate and removal of the carbon dioxide', 'd) optionally adding an acid for neutralization,, 'I)'} e) adding bisphenol F into a reactor and melting at temperatures between 120° C. ...

BIS-PROPYLCATECHOL, METHOD FOR PRODUCING BIS-PROPYLCATECHOL, RESIN COMPOSITION AND CURED RESIN PRODUCT CONTAINING BIS-PROPYLCATECHOL, EPOXIDIZED BIS-PROPYLCATECHOL, METHOD FOR PRODUCING EPOXIDIZED BIS-PROPYLCATECHOL, AND CURABLE RESIN COMPOSITION AND CURED RESIN PRODUCT CONTAINING EPOXIDIZED BIS-PROPYLCATECHOL

A bis-propylcatechol having a structure represented by formula (1): 2. The bis-propylcatechol according to claim 1 , wherein Ris a divalent hydrocarbon represented by —CRR— wherein each of Rand Rindependently represents a monovalent hydrocarbon group claim 1 , and Rand Rmay together form a cyclic structure.3. The bis-propylcatechol according to claim 1 , wherein Ris a divalent hydrocarbon group represented by —CHR— wherein Rrepresents a monovalent hydrocarbon group.5. The bis-propylcatechol according to claim 4 , wherein each of Rand Rrepresents a methyl group.10. A method for producing the bis-propylcatechol of claim 1 , comprising reacting a propylcatechol and at least one reactant selected from the group consisting of a ketone claim 1 , an alcohol claim 1 , an aldehyde and a mono-terpene.11. A resin composition comprising the bis-propylcatechol according to and at least one polymer other than a bis-propylcatechol polymer.12. A cured resin product claim 11 , obtained by curing the resin composition according to .14. The epoxidized bis-propylcatechol according to claim 13 , wherein Ris a divalent hydrocarbon group represented by —CRR— wherein each of Rand Rindependently represents a monovalent hydrocarbon group claim 13 , and Rand Rmay together form a cyclic structure.15. The epoxidized bis-propylcatechol according to claim 13 , wherein Ris a divalent hydrocarbon group represented by —CHR— wherein Rrepresents a monovalent hydrocarbon group.21. A curable resin composition comprising the epoxidized bis-propylcatechol of claim 13 , and a curing agent.23. A cured resin product claim 21 , obtained by curing the curable resin composition of . The present invention relates to a bis-propylcatechol obtainable from lignocellulosic biomass and a method for producing a bio-based bis-propylcatechol and, moreover, a resin composition and a cured resin product each containing the bio-based bis-propylcatechol.In addition, the present invention relates to an epoxidized bis- ...

Method for Washing Ion Exchange Resin and Method for Preparing Bisphenol A

Provided are a method for washing an ion exchange resin and a method for producing bisphenol A using an ion exchange resin washed by the washing method, which may provide bisphenol A having improved purity, thermal stability, color, and the like. 1. A method of washing an ion exchange resin , the method comprising:washing an ion exchange resin with deionized water (DI water) one or more times to prepare a washed ion exchange resin; andstoring the washed ion exchange resin in deionized water, wherein a temperature of storing the washed ion exchange resin is 38° C. or more and a time of storing the washed ion exchange resin is 6 hours or more.2. The method of claim 1 , wherein the washing of the ion exchange resin is repeatedly performed while repeatedly replacing the deionized water until a pH of the deionized water discharged after the washing of the ion exchange resin is 6.2 to 7.3. The method of claim 1 , wherein the temperature for storing the washed ion exchange resin is 50° C. to 90° C.4. The method of claim 1 , wherein the time for storing the washed ion exchange resin is 6 hours to 20 hours.5. The method of claim 1 , wherein storing the washed ion exchange resin in deionized water comprises adding the washed ion exchange resin to deionized water claim 1 , wherein an amount of the deionized water to which the washed ion exchange resin is added is at least 1.5 times a weight of the ion exchange resin.6. The method of claim 1 , wherein washing the ion exchange resin and storing the washed ion exchange resin are performed repeatedly while replacing the deionized water until a concentration of an acidic effluent of the deionized water discharged after storing the washed ion exchange resin is 0.5 ppm or less.7. The method of claim 6 , wherein the acidic effluent includes at least one selected from the group consisting of sulfonic acid claim 6 , phenol sulfonic acid claim 6 , sulfobenzoic acid claim 6 , formyl benzenesulfonic acid claim 6 , acetyl benzenesulfonic ...

POLYHYDRIC PHENOL COMPOUND AND METHOD OF PRODUCING SAME

The present invention provides a polyhydric phenol compound which has an excellent alkali resistance and which does not cause a deterioration in color even when used as a resin raw material or a color developer. The polyhydric phenol compound includes: a bisphenol compound (A) represented by the following Formula (1) and a trisphenol compound (B) represented by the following Formula (2): 2. The polyhydric phenol compound according to claim 1 , wherein the trisphenol compound (B) is contained in an amount claim 1 , in terms of absorption intensity ratio at 254 nm claim 1 , of 0.003% by area or more.3. The polyhydric phenol compound according to claim 2 , wherein the trisphenol compound (B) is contained in an amount claim 2 , in terms of absorption intensity ratio at 254 nm claim 2 , of 0.06% by area or more and less than 1.6% by area.5. The polyhydric phenol compound according to claim 1 , wherein Rhas from 10 to 18 carbon atoms.6. The polyhydric phenol compound according to claim 1 , wherein each of a claim 1 , b claim 1 , c claim 1 , d and e is 0.8. The method of producing a polyhydric phenol compound according to claim 7 , comprising the step of purifying the polyhydric phenol compound using at least one hydrocarbon solvent.9. A resin obtained by polymerizing the polyhydric phenol compound according to .10. The resin according to claim 9 , wherein the resin is a polycarbonate resin.11. A method of producing a resin claim 1 , comprising polymerizing the polyhydric phenol compound according to claim 1 , in the presence of an alkaline catalyst.12. The method of producing a resin according to claim 11 , which is a method of producing a polycarbonate resin.13. The method of producing a resin according to claim 12 , comprising producing the polycarbonate resin by interfacial polymerization or melt transesterification.14. Use of the polyhydric phenol compound according to claim 1 , as a color developer. This is a continuation of International Application PCT/JP2017/ ...

IMPROVED MANUFACTURING PROCESS FOR DIHYDROXYDIPHENYLMETHANE WITH HIGH SELECTIVITY FOR 2,4'- DIHYDROXYDIPHENYLMETHANE

The invention relates to an improved manufacturing process for the preparation of high 2, 4′-dihydroxydiphenylmethane, by a process involving reaction of phenol and formaldehyde, in the presence of an inorganic polyprotic acid. According to this process, the reaction conditions are selected to favour a high yield of dihydroxydiphenylmethane, with a relatively high concentration of the 2,4′-isomer, by using a relatively low molar excess of phenol than conventional methods. 1. A process for manufacturing dihydroxydiphenylmethane , comprising reacting phenol with formaldehyde and a polyprotic inorganic acid catalyst in a heterogeneous phase at a temperature of from 85 to 100° C. and recovering the inorganic acid catalyst.2. The process according to claim 1 , wherein the phenol is 75-99 wt % fresh phenol or recovered phenol claim 1 , containing up to 25% water.3. The process according to claim 1 , further comprising adding the formaldehyde to the phenol and polyprotic inorganic acid catalyst at 85-100° C.4. The process according to claim 2 , further comprising recovering unused phenol with up to 25% wt/wt of water claim 2 , and reusing or recycling the recovered phenol.5. The process according to claim 1 , wherein a ratio of phenol to formaldehyde is from about 6:1 to 15:1.6. The process according to claim 1 , wherein a ratio of phenol to formaldehyde is from about 6:1 to 12:1.7. The process according to claim 1 , wherein a ratio of phenol to formaldehyde is from about 6:1 to 10:1.8. The process according to claim 1 , wherein the polyprotic inorganic acid catalyst is sparingly soluble in an aqueous or organic phase.9. The process according to claim 1 , wherein the polyprotic inorganic acid catalyst is a weak polyprotic acid catalyst claim 1 , without any co-catalyst.10. The process according to claim 1 , wherein the polyprotic inorganic acidic catalyst has a first pKa in a range of 2-3.5.11. The process according to claim 1 , wherein the polyprotic inorganic acid ...

SYSTEM FOR PRODUCING PHENOL AND BISPHENOL A INCLUDING REMOVAL UNIT FOR REMOVING METHANOL AND ACETONE

A system for producing phenol and bisphenol A comprising: a first production unit for producing phenol comprising a decomposition reaction unit and a purification unit; a second production unit for producing bisphenol A comprising a reaction unit and a concentration unit; and a removal unit for removing methanol and acetone during the production of phenol and bisphenol A. The removal unit includes a removal column comprising an overhead purge part, a bottom recirculation part and a supply part. The supply part comprises a purification unit discharge part to supply methanol, acetone, and water discharged from the purification unit to the removal column and a concentration unit discharge part to supply phenol, acetone, and water discharged from the concentration unit to the removal column, and is provided to the midsection of the removal column. 1. A system for producing phenol and bisphenol A comprising:a first production unit for producing phenol comprising a decomposition reaction unit and a purification unit;a second production unit for producing bisphenol A comprising a reaction unit and a concentration unit; and a removal column comprising an overhead purge part, a bottom recirculation part and a supply part;', 'wherein the supply part comprises a purification unit discharge part to supply methanol, acetone, and water discharged from the purification unit to the removal column and a concentration unit discharge part to supply phenol, acetone, and water discharged from the concentration unit to the removal column,, 'a removal unit for removing methanol and acetone during the production of phenol and bisphenol A the removal unit comprising wherein the overhead purge part removes methanol and acetone from the removal column; and', 'wherein the bottom recirculation part recirculates phenol, water, and trace amounts of methanol and acetone to the purification unit., 'wherein the supply part is provided to the midsection of the removal column;'}2. The system for ...

Method of recovering acetone and a plant for recovering the same

In an embodiment, a method of recovering acetone comprises separating a bisphenol A stream into a bisphenol A product stream and an extraction stream comprising unreacted acetone; recovering the unreacted acetone in a recovery section of the bisphenol A production facility and forming a bisphenol A plant acetone recovery stream comprising methanol and a recovered acetone; introducing the bisphenol A plant acetone recovery stream to a phenol purification plant; and purifying the bisphenol A plant acetone recovery stream in the phenol purification plant to form an acetone product stream. The acetone product stream can comprise a reduced amount of methanol as compared to the bisphenol A plant acetone recovery stream.

PROCESSES FOR PREPARING CALIXARENES

This invention relates to a process for preparing a calixarene compound by reacting a phenolic compound and an aldehyde in the presence of at least one nitrogen-containing base as a catalyst to form the calixarene compound. The invention also relates to processes for high-yield, high solid-content production of a calixarene compound, with high selectivity toward a high-purity calix[8]arene compound, without carrying out a recrystallization step. 1. A process for preparing a calixarene compound , comprising:reacting a phenolic compound and an aldehyde in the presence of at least one nitrogen-containing base as a catalyst to form the calixarene compound.3. The process of claim 2 , wherein the amidine compound is selected from the group consisting of 1 claim 2 ,8-diazabicyclo[5.4.0]undec-7-ene (DBU) claim 2 , 1 claim 2 ,5-diazabicyclo[4.3.0]non-5-ene (DBN) claim 2 , 1 claim 2 ,2-dimethyl-1 claim 2 ,4 claim 2 ,5 claim 2 ,6-tetrahydropyrimidine claim 2 , 1-ethyl-2-methyl-1 claim 2 ,4 claim 2 ,5 claim 2 ,6-tetrahydropyrimidine claim 2 , 1 claim 2 ,2-diethyl-1 claim 2 ,4 claim 2 ,5 claim 2 ,6-tetrahydropyrimidine claim 2 , 1-n-propyl-2-methyl-1 claim 2 ,4 claim 2 ,5 claim 2 ,6-tetrahydropyrimidine claim 2 , 1-isopropyl-2-methyl-1 claim 2 ,4 claim 2 ,5 claim 2 ,6-tetrahydropyrimidine claim 2 , 1-ethyl-2-n-propyl-1 claim 2 ,4 claim 2 ,5 claim 2 ,6-tetrahydropyrimidine claim 2 , and 1-ethyl-2-isopropyl-1 claim 2 ,4 claim 2 ,5 claim 2 ,6-tetrahydropyrimidine.5. The process of claim 4 , wherein the guanidine compound is selected from the group consisting of 1-methylguanidine claim 4 , 1-n-butylguanidine claim 4 , 1 claim 4 ,1-dimethylguanidine claim 4 , 1 claim 4 ,1-diethylguanidine claim 4 , 1 claim 4 ,1 claim 4 ,2-trimethylguanidine claim 4 , 1 claim 4 ,2 claim 4 ,3-trimethylguanidine claim 4 , 1 claim 4 ,3-diphenylguanidine claim 4 , 1 claim 4 ,1 claim 4 ,2 claim 4 ,3 claim 4 ,3-pentamethylguanidine claim 4 , 2-ethyl-1 claim 4 ,1 claim 4 ,3 claim 4 ,3-tetramethylguanidine ...

PROCESSES FOR PREPARING CALIX[4]ARENES FROM CALIX[8]ARENES

This invention relates to a one-pot synthesis of a high-purity calix[4]arene compound by reacting a phenolic compound and an aldehyde in the presence of at least one nitrogen-containing base as a catalyst to form the calix[8]arene compound, and cleaving the calix[8]arene compound into a high-purity calix[4]arene compound, directly, without carrying out a purification step before the cleaving step. The invention also relates to an improved conversion of a calix[8]arene compound to a calix[4]arene compound, by cleaving a calix[8]arene compound in a glycol ether solvent having a boiling point of at least about 200° C., to result in a high-purity calix[4]arene compound, without using an antisolvent. 1. A process for a one-pot synthesis of a high-purity calix[4]arene compound , comprising:reacting a phenolic compound and an aldehyde in the presence of at least one nitrogen-containing base as a catalyst to form a calix[8]arene compound; andcleaving the calix[8]arene compound into a high-purity calix[4]arene compound, directly, without carrying out a purification step before the cleaving step.2. The process of claim 1 , wherein the phenolic compound is phenol claim 1 , an alkyl phenol claim 1 , or an arylalkyl phenol.3. The process of claim 1 , wherein the phenolic compound is a para-tert-butyl phenol claim 1 , para-tert-amyl phenol claim 1 , para-tert-octyl phenol claim 1 , para-benzyl phenol claim 1 , or para-benzyl phenol.4. The process of claim 1 , wherein the aldehyde is formaldehyde or paraformaldehyde.5. The process of claim 1 , wherein the process is carried out in the absence of a recrystallization step.6. The process of claim 1 , wherein the reacting step is carried out in the presence of an organic solvent.7. The process of claim 6 , wherein the organic solvent is an aromatic hydrocarbon claim 6 , a straight-chain hydrocarbon having 11 to 20 carbon atoms claim 6 , an ether claim 6 , or a mixture containing thereof.8. The process of claim 6 , wherein the step of ...

METHOD OF RECOVERING PHENOL FROM A BPA PRODUCTION FACILITY AND THE FACILITY FOR RECOVERING THE SAME

In an embodiment, a method of recovering an unreacted phenol from a bisphenol A production facility comprises reacting an initial phenol and an initial acetone in the presence of a catalyst to produce a bisphenol A stream comprising the unreacted phenol of the initial phenol and a bisphenol A, separating a purge stream comprising the unreacted phenol, and wherein the unreacted phenol is present in the purge stream in an amount of 60 to 90 wt %, based on the total weight of the purge stream; adding the purge stream to a phenol purification section of a phenol production facility; and forming a purified phenol outlet stream in the phenol purification section, wherein the purified phenol outlet stream comprises a total phenol concentration of greater than or equal to 99.5 wt % based on the total weight of the purified phenol outlet stream. 1. A method of recovering an unreacted phenol from a bisphenol A production facility comprising:reacting an initial phenol and an initial acetone in the presence of a catalyst to produce a bisphenol A stream comprising the unreacted phenol of the initial phenol and a bisphenol A,separating a purge stream comprising the unreacted phenol, and wherein the unreacted phenol is present in the purge stream in an amount of 60 to 90 wt %, based on the total weight of the purge stream;adding the purge stream to a phenol purification section of a phenol production facility; andforming a purified phenol outlet stream in the phenol purification section, wherein the purified phenol outlet stream comprises a total phenol concentration of greater than or equal to 99.5 wt % based on the total weight of the purified phenol outlet stream.2. The method of claim 1 , wherein the forming the purified phenol outlet stream comprises:heating a preheater inlet stream comprising cumene, a product phenol from the phenol production facility, and a product acetone from the phenol production facility in a preheater to form a splitter inlet stream;separating the ...

METHOD OF BISPHENOL MANUFACTURE

An improved method of manufacture of a bisphenol comprises heating a monohydric phenol to a first temperature sufficient to melt the monohydric phenol; adding a carbonyl compound to 2.0-3.0 molar equivalents, based on the moles of carbonyl compound, of the monohydric phenol in the presence of catalytic amounts of an organosulfonic acid catalyst and a reaction promoter at a second temperature sufficient to maintain unreacted monohydric phenol in a molten state; increasing the temperature to a third temperature higher than the second temperature, and mixing for a time sufficient to produce the bisphenol in a yield of 80 to 100%, based on the amount of carbonyl compound; wherein mineral acids, Lewis acids, and ion exchange resins are not used. The method is applicable to the manufacture of 2,2-bis(3,5-dimethyl-4-hydroxyphenyl)propane, a useful intermediate for the manufacture of bi-functional poly(phenylene ether)s. 2. The method of claim 1 , wherein the monohydric phenol is selected from phenol claim 1 , 2-methylphenol claim 1 , 2 claim 1 ,6-dimethylphenol claim 1 , 2 claim 1 ,3 claim 1 ,6-trimethylphenol claim 1 , 2-methyl-6-phenylphenol claim 1 , and combinations thereof.3. The method of claim 1 , wherein the carbonyl compound is formaldehyde claim 1 , a Caldehyde claim 1 , or Cketone.4. The method of claim 1 , wherein the carbonyl compound is selected from formaldehyde claim 1 , acetaldehyde claim 1 , acetone claim 1 , cyclohexanone claim 1 , and combinations thereof.5. The method of claim 1 , wherein the organosulfonic acid catalyst is selected from dodecylbenzene sulfonic acid claim 1 , ethylbenzene sulfonic acid claim 1 , butylnaphthalene sulfonic acid claim 1 , and combinations thereof.6. The method of claim 1 , wherein the reaction promoter is selected from 3-mercaptopropionic acid (3-MPA) claim 1 , 4-mercaptobutyric acid claim 1 , 2-mercaptoisobutryric acid claim 1 , 3-mercaptoisobutyric acid claim 1 , and combinations thereof.7. The method of claim 1 , ...

Process for the preparation of 3,3,5-trimethylcyclohexylidene bisphenol

The present invention relates to the preparation of 3,3,5-trimethylcyclohexylidene bisphenol (BP-TMC). Especially, the present invention relates to the preparation of 3,3,5-trimethylcyclohexylidene bisphenol (BP-TMC) from 3,3,5-trimethylcyclohexanone (TMC-one) and phenol in the presence of a gaseous acidic catalyst. The preparation is preferably conducted continuously. It is an object of the present invention to prevent that solids, especially crystallized BP-TMC, more especially crystallized BP-TMC-phenol-adduct, block the outlet of the dosing valve for the gaseous acidic acid when the gaseous acidic acid is dosed into the reaction mixture comprising TMC-one and phenol in a reaction vessel.

METHOD FOR MANUFACTURING OF BISPHENOL A

The invention is directed to a method for manufacturing bisphenol A. The method for manufacturing bisphenol A comprises: a) reacting phenol and acetone in the presence of an acidic catalyst to form a reaction effluent, and b) crystallising p,p-bisphenol A from the reaction effluent so as to produce a crystal slurry, wherein reacting in step a) is performed in the presence of an inert co-solvent or wherein an inert co-solvent is added to the reaction effluent prior to crystallising in step b), and wherein the weight ratio between said inert co-solvent and said phenol during said crystallising is 60:40 or more. 1. A method for manufacturing bisphenol A , comprising:a) reacting phenol and acetone in the presence of an acidic catalyst to form a reaction effluent, andb) crystallising p,p-bisphenol A from the reaction effluent so as to produce a crystal slurry;wherein reacting in step a) is performed in the presence of an inert co-solvent or wherein an inert co-solvent is added to the reaction effluent prior to crystallising in step b); andwherein the weight ratio between said inert co-solvent and said phenol during said crystallising is 60:40 or more.2. The method according to claim 1 , wherein the weight ratio between said inert co-solvent and said phenol during said crystallising is in the range of from 60:40 to 90:10.3. The method according to claim 1 , wherein said inert co-solvent has a boiling point of 125° C. or less.4. The method according to claim 1 , wherein said inert co-solvent comprises one or more of an aromatic solvent claim 1 , a Calkane claim 1 , and a chlorinated alkane.5. The method according to claim 1 , wherein said inert co-solvent comprises one or more selected from the group consisting of toluene claim 1 , benzene claim 1 , xylene claim 1 , hexane claim 1 , heptane claim 1 , trichloro-ethylene claim 1 , and trichloro-methylene.6. The method according to claim 1 , wherein said reaction effluent comprises 16-35% by total weight of the reaction ...

USE OF A TREATED, PROMOTED ION EXCHANGE RESIN CATALYST

The present invention relates to the use of an antioxidant treated promoted strong acid ion exchange resin as an acid catalyst. 1. A process for producing dihydric phenol 2 ,2bis(4′-hydroxyphenyl) propane comprising condensing phenol with acetone in the presence of an acid catalyst to produce dihydric phenol 2 ,2bis(4′-hydroxyphenyl) propane;wherein the acid catalyst is a promoted ion exchange resin catalyst contacted with an antioxidant to produce a treated promoted ion exchange resin catalyst.2. The process of wherein the ion exchange resin catalyst is a sulfonic acid-type cation-exchange resin catalyst.3. The process of wherein the cation-exchange resin catalyst is a sulfonated styrene-divinyl benzene copolymer.4. The process of wherein the antioxidant is a monocyclic or polycyclic phenol claim 1 , an amine claim 1 , a diamine claim 1 , a thioester claim 1 , a phosphate claim 1 , a quinoline claim 1 , or a mixture thereof.5. The process of wherein the antioxidant is 2 claim 1 ,6-di-t-butyl-.alpha.-dimethylamino-p-cresol.6. The process of wherein the amount of antioxidant incorporated into the cation-exchange resin catalyst is from 0.001 to 10 percent by weight.7. The process of wherein the ratio of phenol to acetone is 2:1. The present invention relates to the use of an antioxidant treated promoted strong acid ion exchange resin as an acid catalyst.Polymeric promoted ion exchange resins, such as sulfonated styrene-divinylbenzene types of strong acid ion exchange resins are used as catalysts in the production of various organic chemicals including for example bisphenol-A and alkyl phenol. These catalysts are susceptible to oxidation during manufacture, storage, handling, processing, washing, and drying prior to use. Oxidative degradation leads to the release of low and medium molecular weight acidic material from the polymeric resins, such as low molecular weight organic sulfonates, sulfonated oligomers and sulfonated polystyrene polymers. Release of these acidic ...

METHOD FOR PRODUCING TRIPHENYLBUTENE DERIVATIVE

We provide a novel and useful process for preparing triphenyl-butene derivative. A process for the preparation of a compound represented by Formula (IV): 2. The process according to claim 1 , wherein the Lewis acid is selected from the group consisting of aluminum chloride claim 1 , titanium(IV) chloride claim 1 , tin(IV) chloride claim 1 , and boron trifluoride.3. The process according to claim 1 , wherein the Lewis acid is aluminum chloride.4. The process according to claim 1 , wherein X is chloride.6. The process according to claim 5 , wherein the alkali metal salt is potassium chloride.7. The process according to claim 5 , wherein the substituent of the substituted phenol is one or more substituents selected from the group consisting of fluoride claim 5 , chloride claim 5 , bromide claim 5 , cyano claim 5 , trifluoromethyl claim 5 , hydroxy and nitro.8. The process according to claim 5 , wherein the step of reacting is performed in the presence of orthochlorophenol.9. The process according to claim 5 , wherein the polyvalent metal chloride is a titanium chloride compound.10. The process according to claim 5 , wherein the polyvalent metal chloride is titanium(IV) chloride.11. The process according to claim 5 , wherein the reducing agent is selected from the group consisting of zinc claim 5 , copper claim 5 , lithium claim 5 , magnesium claim 5 , aluminum claim 5 , lithium aluminum hydride and trimethylamine.12. The process according to claim 11 , wherein the reducing agent is zinc.13. The process according to claim 5 , wherein the step of reacting is performed in a solvent comprising 2-methyltetrahydrofuran.14. The process according to claim 5 , wherein the step of reacting is performed in a mixed solvent comprising 2-methyltetrahydrofuran and toluene.15. The process according to claim 4 , wherein Ris hydrogen.16. The process according to claim 5 , wherein Ris substituted alkyl claim 5 , and said substituted alkyl is —CHCHOR claim 5 , wherein Ris hydrogen or a ...

CATALYST COMPOSITION FOR PREPARING O-PHENYLPHENOL AND METHOD FOR PREPARING O-PHENYLPHENOL WITH THE CATALYST COMPOSITION

A catalyst composition for preparing o-phenylphenol is provided. The catalyst composition includes a carrier; and a first active metal, a second active metal, and a catalytic promoter carried by the carrier. The first active metal is platinum, and the second active metal is selected from the first, second and third rows of transition metals of groups VIB and VIIIB. The present disclosure utilizes the carrier to carry the first active metal, the second active metal and the catalytic promoter so as to increase the selectivity of o-phenylphenol and the service life of a catalyst. 1. A catalyst composition for preparing o-phenylphenol , comprising:a carrier; anda first active metal, a second active metal and a catalytic promoter carried by the carrier, wherein the first active metal is platinum, the second active metal is selected from the group consisting of first, second and third rows of transition metals of groups VIB and VIIIB, and the catalytic promoter is selected from the group consisting of a metal salt and a metal hydroxide, and wherein a weight ratio of the second active metal to the first active metal is between 0.03 and 0.38.2. The catalyst composition for preparing o-phenylphenol according to claim 1 , wherein a weight ratio of the first active metal to the carrier is between 0.004 and 0.006.3. The catalyst composition for preparing o-phenylphenol according to claim 1 , wherein a weight ratio of the second active metal to the carrier is between 0.0002 and 0.0015.4. The catalyst composition for preparing o-phenylphenol according to claim 3 , wherein the weight ratio of the second active metal to the carrier is between 0.0005 and 0.0012.5. The catalyst composition for preparing o-phenylphenol according to claim 1 , wherein the second active metal is selected from the group consisting of chromium claim 1 , ruthenium claim 1 , iridium and nickel.6. The catalyst composition for preparing o-phenylphenol according to claim 1 , wherein the metal salt is selected ...

APPARATUS AND METHOD FOR PREPARING BISPHENOL A

The present invention relates to an apparatus and a method for preparing bisphenol A, and provides an apparatus and a method for preparing bisphenol A that can increase the energy efficiency of the entire process by utilizing an internal heat source. 1. An apparatus for preparing bisphenol A comprising:a first crystallizer to which a bisphenol A concentration stream containing a reaction product that phenol and acetone are reacted is introduced to crystallize bisphenol A and to discharge an adduct of crystallized bisphenol A and phenol;a first solid-liquid separator in which the adduct of crystallized bisphenol A and phenol in said first crystallizer is introduced thereto, and separated from a mother liquid and discharged;a phenol introduction port in which a phenol stream is introduced into the adduct of crystallized bisphenol A and phenol discharged from said first solid-liquid separator to discharge the mixed stream of phenol with said adduct of crystallized bisphenol A and phenol;a first heat exchanger in which said phenol stream is heated before said phenol stream is introduced;a second heat exchanger in which the adduct of crystallized bisphenol A and phenol in the mixed stream flowing out to said phenol introduction port is melted to discharge the molten stream; anda second crystallizer to which the molten stream discharged from said second heat exchanger is introduced to recrystallize bisphenol A and to discharge the adduct of crystallized bisphenol A and phenol.2. The apparatus for preparing bisphenol A according to claim 1 , wherein the first heat exchanger comprises a separation line for separating pentane present in said phenol stream.3. The apparatus for preparing bisphenol A according to claim 2 , wherein the separation line introduces the separated pentane into the second crystallizer.4. The apparatus for preparing bisphenol A according to claim 1 , wherein the first heat exchanger heats the phenol stream by introducing a heat source of 120° C. or ...

MANUFACTURE OF BISPHENOL A

The invention is directed to a method for the manufacture of bisphenol A, to the use of acid in a method for crystallisation of bisphenol A/phenol adduct, and to bisphenol A/phenol adduct crystals. The method for the manufacture of bisphenol A comprises: a) reacting phenol and acetone in the presence of an acidic catalyst to form a product mixture comprising bisphenol A; and b) crystallising a bisphenol A/phenol adduct from said product mixture, wherein said crystallisation is carried out in the presence of an acid, wherein the total amount of acid present during the crystallisation step is 5% or less by total weight of the reaction product. 1. A method for the manufacture of bisphenol A , comprising:a) reacting phenol and acetone in the presence of an acidic catalyst to form a reaction product comprising bisphenol A; andb) crystallising a bisphenol A/phenol adduct from said reaction product, wherein said crystallisation is carried out in the presence of an acid, wherein total amount of acid present during the crystallisation step is 5% or less by total weight of the reaction product.2. The method of claim 1 , wherein total amount of acid present during the crystallisation step is 4% or less by total weight of the reaction product.3. The method of claim 1 , wherein the amount of water during the reaction of step a) is 5% or less by total weight of the reaction mixture.4. The method of claim 1 , wherein the amount of water during the crystallisation of step b) is 5% or less by total weight of the reaction mixture.5. The method of claim 1 , wherein said acid comprises inorganic acid.6. The method of claim 1 , wherein said acid comprises organic acid claim 1 , preferably organic acid having a pKof at most 3.3.7. The method of claim 1 , wherein said acid comprises inorganic acid claim 1 , and wherein the amount of inorganic acid is 1% or less by total weight of the reaction product.8. The method of claim 1 , wherein said acid comprises organic acid claim 1 , and wherein ...

METHOD FOR PRODUCING A BISPHENOL

In an embodiment, a method of producing a bisphenol comprises reacting a phenolic compound with a reactant comprising one or both of an aldehyde and a ketone in the presence of a catalyst system and methanol to produce the bisphenol; wherein the methanol is present in an amount of 250 to 5,000 ppm based on the total weight of the reactant; wherein the catalyst system comprises an ion-exchange resin comprising a plurality of sulfonic acid sites; and 5 to 35 mol % of an attached promoter molecule based on the total moles of the sulfonic acid sites in the catalyst system; and wherein the attached promoter molecule comprises at least two thiol groups per attached promoter molecule. 1. A method of producing a bisphenol comprising:reacting a phenolic compound with a reactant comprising one or both of an aldehyde and a ketone in the presence of a catalyst system and methanol to produce the bisphenol; wherein the methanol is present in an amount of 250 to 5,000 ppm based on the total weight of the reactant;wherein the catalyst system comprises an ion-exchange resin comprising a plurality of sulfonic acid sites; and 5 to 35 mol % of an attached promoter molecule based on the total moles of the sulfonic acid sites in the catalyst system; and wherein the attached promoter molecule comprises at least two thiol groups per attached promoter molecule.2. The method of claim 1 , wherein the catalyst system comprises 10 to 30 mol % claim 1 , of the attached promoter molecule based on the total moles of the sulfonic acid sites in the catalyst system.3. The method of claim 1 , wherein the catalyst system comprises 10 to 25 mol % of the attached promoter molecule based on the total moles of the sulfonic acid sites in the catalyst system.4. The method of claim 1 , wherein the catalyst system comprises 10 to 20 mol % of the attached promoter molecule based on the total moles of the sulfonic acid sites in the catalyst system.5. The method of claim 1 , wherein the catalyst system is a ...

MANUFACTURE OF BISPHENOL A

The invention is directed to a method for the manufacture of bisphenol A, and to bisphenol A/phenol adduct crystals. The method of the invention comprises: a) reacting phenol and acetone in the presence of an acidic catalyst to form a reaction product comprising an initial concentration of bisphenol A and an initial concentration of impurities; b) diluting the reaction product with phenol, water and/or acetone, so as to decrease the impurity concentration to 50% by weight or less of the initial concentration of impurities, and adding bisphenol A to increase the concentration thereof in the reaction product; and thereafter c) crystallising a bisphenol A/phenol adduct from the reaction product to produce a crystallised bisphenol A product. 1. A method for the manufacture of bisphenol A comprising:a) reacting phenol and acetone in the presence of an acidic catalyst to form a reaction product comprising an initial concentration of bisphenol A and an initial concentration of impurities;b) diluting the reaction product with phenol, water and/or acetone, so as to decrease the impurity concentration to 50% or less of the initial concentration of impurities, and adding bisphenol A to increase the concentration thereof in the reaction product; and thereafterc) crystallising a bisphenol A/phenol adduct from the reaction product to produce a crystallised bisphenol A product.2. The method according to claim 1 , wherein the addition of bisphenol A in step b) is such that the concentration of bisphenol A is set to 70-200% of the initial concentration of bisphenol A.3. The method according to claim 1 , wherein said impurities comprise one or more from o claim 1 ,p-bisphenol A claim 1 , (2 claim 1 ,4-bis(α claim 1 ,α-dimethyl-4-hydroxybenzyl)phenol) claim 1 , (4′-hydroxyphenyl-2 claim 1 ,2 claim 1 ,4-trimethyl chroman) claim 1 , (2 claim 1 ,2′ claim 1 ,3 claim 1 ,3′-tetrahydro-1 claim 1 ,1′-spirobi[indene]) claim 1 , (4-(2-(4-(4-hydroxyphenyl)-2 claim 1 ,2 claim 1 ,4- ...

ONE-STEP FLOW-MEDIATED SYNTHESIS OF CANNABIDIOL (CBD) AND DERIVATIVES

Herein are described apparatus and processes for the preparation of cannabinoids, such as cannabidiol (CBD) and derivatives thereof. The apparatus and processes described can be used for the one-step, flow-mediated synthesis of cannabidiol and derivatives with improved overall yield, material throughput, and product purity relative to batch processes. 4. The process according to claim 1 , wherein the second compound is (IIA) and Zis CRor the second compound is (IIB) claim 1 , and Rin (IIA) and (IIB) is —COH claim 1 , and wherein the process further comprises a decarboxylation step.5. The process according to claim 4 , wherein the decarboxylation step comprises continuous flow thermolysis.6. The process according to claim 1 , further comprising diluting the solution comprising CBD or the derivative thereof.7. The process according to claim 6 , wherein said diluting produces a two phase solution claim 6 , having a first and second phase claim 6 , wherein the first phase has a higher concentration of CBD or the derivative thereof.8. The process according to claim 7 , further comprising separating the first phase from the second phase.9. The process according to claim 8 , wherein said separating comprises a membrane separation step.10. The process according to claim 1 , further comprising separating CBD or the derivative thereof from the solution comprising the CBD or derivative thereof.11. The process according to claim 10 , wherein separating comprises a membrane separation step.12. The process according to claim 1 , further comprising isolating the CBD or derivative thereof using a method selected from crystallization claim 1 , concentration claim 1 , distillation claim 1 , drying claim 1 , spray drying claim 1 , precipitation claim 1 , chromatographic separation claim 1 , extraction claim 1 , filtering or combinations thereof.14. The process according to claim 13 , wherein Ris XR.15. The process according to claim 13 , wherein Ris alkyl.19. The process according to ...

PROCESS FOR PREPARING CATALYSTS

Catalysts having a higher total capacity and containing fewer organic impurities are provided for condensation, addition and esterification reactions, as we as a process for preparing these catalysts and for use of the catalysts for preparation of bisphenols. 1. A process for preparing a catalyst , the process comprising:a) converting monomer droplets of a mixture comprising at least one monoethyienically unsaturated aromatic compound, at least one multiethylenically unsaturated compound, and at least one initiator to a crosslinked bead polymer;b) mixing the crosslinked bead polymer with sulphuric acid to form a reaction mixture and sulphonating the crosslinked bead polymer at a temperature of 50° C. to 160° C. to produce sulphonated cross-linked bead polymers, wherein the concentration of the sulphuric acid in the reaction mixture is at least 75% by weight, and the reaction mixture comprises 70% to 95% by weight sulphuric acid and 5% to 30% by weight bead polymer, based on the total amount of sulphuric acid and bead polymer, and a sum total of the percentages by weight of sulphuric acid and bead polymer in the reaction mixture is >96% by weight; andc) reacting the sulphonated crosslinked bead polymers with at least one sulphur compound selected from thioalcohols, thioethers, thioesters, and mixtures thereof.2. The process according to claim 1 , wherein the monoethylenically unsaturated aromatic compound is selected from styrene claim 1 , α-methylstyrene claim 1 , vinyltoluene claim 1 , ethylstyrene claim 1 , t-butylstyrene claim 1 , chlorostyrene claim 1 , bromostyrene claim 1 , chloromethylstyrene vinylnaphthalene claim 1 , and mixtures of thereof.3. The process according to claim 1 , wherein the multiethylenically unsaturated aromatic compound is selected from divinylbenzene claim 1 , divinyltoluene claim 1 , trivinylbenzene claim 1 , octadiene claim 1 , triallyl cyanurate claim 1 , and mixtures thereof.4. The process according to claim 1 , wherein the ...

METHOD OF CATALYSIS

Provided is a process for producing 2,2-bis(4-hydroxyphenyl)propane, comprising condensing phenol with acetone in the presence of an acid catalyst; 1. A process for producing 2 ,2-bis(4-hydroxyphenyl)propane , comprising condensing phenol with acetone in the presence of an acid catalyst to produce dihydric phenol 2 ,2-bis(4-hydroxyphenyl) propane;wherein the acid catalyst comprises a collection of sulfonated polymeric beads, wherein the sulfonated polymeric beads comprise(i) 75 to 99% by weight, based on the weight of the bead, polymerized units of monofunctional vinyl monomer, and 'wherein, within each bead, the average concentration of moles of polymerized units of multifunctional vinyl monomer per cubic micrometer is MVAV; and', '(ii) 1 to 25% by weight, based on the weight of the bead, polymerized units of multifunctional vinyl monomer;'}wherein, within each bead, T1000 is a sequence of 1,000 unique connected polymerized monomer units;wherein, within each T1000, MVSEQ is the weight percent polymerized units of multifunctional vinyl monomer, based on the weight of T1000;wherein MVRATIO=MVSEQ/MVAV;andwherein 90% or more of the beads by volume are uniform beads, wherein a uniform bead is a bead in which 90% or more of all T1000 sequences has MVRATIO of 1.5 or less;2. The process of claim 1 , wherein the acid catalyst additionally comprises a thiol compound.3. The process of claim 1 , wherein the condensation is conducted at 55° C. or above.4. The process of claim 1 , wherein 35% or less of the T1000 sequences have MVRATIO of 0.5 or less. A useful method of producing polymeric beads is suspension polymerization, which is a process in which monomer droplets are suspended in an aqueous medium and then the monomer in the droplets is polymerized to form polymeric beads. When a mixture of monomers is present in the monomer droplet, it is known that the monomers usually react at different rates, thus forming an inhomogeneous polymeric bead. For example, it is contemplated ...

RADICALLY CURABLE COMPOUND, METHOD FOR PRODUCING RADICALLY CURABLE COMPOUND, RADICALLY CURABLE COMPOSITION, CURED PRODUCT OF THE SAME, AND RESIST-MATERIAL COMPOSITION

Provided is a positive photoresist composition excellent in terms of heat resistance. A radically curable compound is represented by a general formula (1) below (where R, R, and Reach independently represent an alkyl group having 1 to 8 carbon atoms; m and n each independently represent an integer of 1 to 4; p represents an integer of 0 to 4; X, Y, and Z each independently represent an acryloyloxy group, a methacryloyloxy group, or a hydroxy group, and at least one of X, Y, and Z represents an acryloyloxy group or a methacryloyloxy group; and t represents 1 or 2). 14-. (canceled)6. The method for producing a radically curable compound according to claim 5 , wherein the alkyl-substituted phenol (a1) is 2 claim 5 ,5-xylenol or 2 claim 5 ,6-xylenol.7. The method for producing a radically curable compound according to claim 5 , wherein the aromatic aldehyde (a2) having a hydroxy group on a benzene ring is a 4-hydroxybenzaldehyde.8. The method for producing a radically curable compound according to claim 5 , comprising a step 1 of causing polycondensation between the alkyl-substituted phenol (a1) and the aromatic aldehyde (a2) having a hydroxy group on a benzene ring in the presence of an acid catalyst to prepare a crude product containing the polycondensate (A) in a reaction solution; a step 2 of collecting from the reaction solution the polycondensate (A) prepared in the step 1; and a step 3 of causing the reaction between the polycondensate (A) isolated in the step 2 and the (meth)acrylic acid halide (B) in the presence of a base.9. A radically curable compound obtained by the production method according to .1012-. (canceled)13. A radically curable compound obtained by the production method according to .14. A radically curable compound obtained by the production method according to .15. A radically curable compound obtained by the production method according to .16. A radically curable composition comprising the radically curable compound according to .17. A ...

Resin with promoter and antioxidant

Provided is a catalyst composition comprising (a) a collection of resin beads having sulfonic acid functional groups, (b) a promoter having a thiol group and an amine group, and (c) an antioxidant having the structure (I) wherein each of R 1 and R 2 , and R 3 is hydrogen or a substituted or unsubstituted alkyl or alkenyl group wherein n is 0 to 10, with the proviso that when R 3 contains one or more nitrogen atoms, n is not 1 or 2.

A Process For THR Preparation Of Natural Crystallized Thymol From Monarda Citriodora (Jammu Monarda) Oil

The present invention provides an efficient process for the isolation of natural crystallized thymol product derived from crude natural () oil useful for incorporation into foods and beverages in amounts due to strong antimicrobial, antibacterial, antioxidant properties as well as for use as a preservative. The recovery of crystallized thymol product obtained is more than 72% from Hexane-oil in a ratio 1:1 under specific conditions. A method for preparing natural thymol in crystal form involves providing crude oil in a Flask and gradually reducing the temperature of the flask containing oil: Hexane in a step-wise manner, thereby producing highly pure crystals (≥95.5%) within 48 h. The methods disclosed herein are suitable for pharmaceutical GMP. 1Monarda citriodoraJammu Monarda. A process for the preparation of natural crystallized thymol from () oil , wherein the steps comprising:{'i': 'Jammu Monarda', '[a] filtering the crude oil followed by refrigeration at temperature ranging from 0 to 8° C. for 6 to 48 hours;'}[b] separating the organic layer from the aqueous layer in the refrigerated oil of step and optionally drying the aqueous layer over an anhydrous salt;[c] adding hexane to the organic layer obtained in step [b] followed by refrigeration at a temperature ranging ranging from 0 to 8° C. for 6 to 48 hours;[d] filtering the refrigerated mix of step [c] to separate the thymol crystals from the dethymolised oil.2. The process as claimed in claim 1 , wherein the ratio of hexane to the organic layer is 1:1.3. The process as claimed in claim 1 , wherein refrigeration in step [c] is done at 0° C. for 48 hours.4. The process as claimed in claim 1 , wherein the yield of thymol is in the range of 13 to 71% with 99% purity.5. The process as claimed in claim 1 , wherein the anhydrous salt is selected from sodium sulphate and magnesium sulphate. The present invention relates to a process for the isolation of natural thymol in crystalline form from () oil. The process ...

Process for preparing an adduct of a bisphenol with a phenolic compound

AN ISOMERIZATION PROCESS OF PRODUCT OBTAINED FROM BISPHENOL PREPARATION FROM A CONDENSATION REACTION OF KETONE AND PHENOL

The present invention relates to an isomerization process of product obtained from bisphenol preparation from a condensation reaction of ketone and phenol comprising contacting the product obtained from bisphenol preparation from a condensation reaction of ketone and phenol with the ion exchange resin in aqueous condition for the isomerization of the undesired product and separating the product having higher bisphenol content, wherein said ion exchange resin is aromatic polymer having the sulfonic acid group modified with at least one promoter selected from the compound shown in the structure (I):

Isolation and crystallization of cannabinoids without distillation or evaporation of solvents

Cannabis plant material is extracted with a solvent matrix consisting of one or more organic solvents and optionally water. The cannabis plant material is agitated in the solvent matrix and then removed by filtration or centrifugation. Following extraction, the plant material is separated from the solvent matrix by centrifugation. The resulting extract is clarified by membrane filtration which also removes most of the water and water-soluble impurities. The resulting extract is dewaxed using membrane filtration and/or liquid-liquid extraction. Excess solvent and terpenoids are removed by means of molecular weight cutoff membrane filtration and the resulting cannabinoid solution is decarboxylated catalytically. Seed crystals are added to crystallize the cannabinoids. 1. A process for producing crystallized cannabinoids without solvent evaporation steps comprising the steps of:providing cannabis material;immersing the cannabis material in a solvent matrix to produce a first extract;separating the cannabis material from the first extract;clarifying the first extract to remove insoluble material and water to produce a clarified extract;dewaxing the clarified extract using membrane filtration;removing using membrane filtration to remove solvent;using a catalytic decarboxylating agent to produce a decarboxylated extract;crystallizing cannabinoids from the decarboxylated extract; andharvesting crystallized cannabinoid.2. The process of claim 1 , wherein the solvent matrix is a mixture of one or more organic solvents and water.3. The process of claim 1 , wherein the solvent matrix is a mixture of one or more organic solvents.4. The process of claim 1 , wherein the step of removing precedes the step of dewaxing.5. The process of claim 1 , wherein the step of dewaxing also includes liquid-liquid extraction with methanol.6. The process of claim 1 , wherein the step of crystallizing cannabinoids includes adding seed crystals. The present application is based on and claims the ...

Epoxidation products of 1,1,1-tri-(hydroxyphenyl) alkanes

The invention comprises polyglycidyl ethers of tris(hydroxyphenyl)alkanes, their blends with other epoxy compounds and their cured products. The invention also comprises a process wherein the coupling reaction is carried out in the absence of coupling catalysts and solvents and the subsequent dehydrohalogenation is done in the presence of a methylethylketone/toluene mixture or an equivalent solvent. The epoxides of the invention have superior and unexpected high-temperature properties, without sacrificing other properties such as flex strength, flex modulus and the like.

Process for the preparation of bisphenols using new cocatalysts

Method for producing bisphenol catalysts and bisphenols

This disclosure relates to a method for producing and using catalysts in the production of bisphenols, and in particular to a method for producing catalysts which contain poly-sulfur mercaptan promoters, and using these catalysts in the production of bisphenol-A and its derivatives.

Process for the synthesis of bisphenol

A process for the production of a bisphenol comprises reacting a feed comprising a phenol, a ketone and water in the presence of an ion exchange resin catalyst to produce an effluent; determining the para-para bisphenol selectivity of the reaction; and adjusting the concentration of the water in the feed based upon the para-para bisphenol selectivity in the effluent.

Process for the synthesis of bisphenol

A commercial scale continuous process for the production of a bisphenol comprising reacting a phenol and a ketone in the presence of a modified ion exchange resin catalyst, wherein said modified ion exchange resin comprises a crosslinked gellular acid functionalized polystyrene resin modified by neutralization of with a mercapto promoter.

Method for producing bisphenol catalysts and bisphenols

This disclosure relates to a method for producing and using catalysts in the production of bisphenols, and in particular to a method for producing catalysts which contain poly-sulfur mercaptan promoters, and using these catalysts in the production of bisphenol-A and its derivatives.

Method for producing bisphenol catalysts and bisphenols

This disclosure relates to a method for producing and using catalysts in the production of bisphenols, and in particular to a method for producing catalysts which contain poly-sulfur mercaptan promoters, and using these catalysts in the production of bisphenol-A and its derivatives.

Method for producing bisphenol catalysts and bisphenols

This disclosure relates to a method for producing and using catalysts in the production of bisphenols, and in particular to a method for producing catalysts which contain poly-sulfur mercaptan promoters, and using these catalysts in the production of bisphenol-A and its derivatives.

Method for producing bisphenol catalysts and bisphenols

This disclosure relates to a method for producing and using catalysts in the production of bisphenols, and in particular to a method for producing catalysts which contain poly-sulfur mercaptan promoters, and using these catalysts in the production of bisphenol-A and its derivatives.

Method for producing bisphenol catalysts and bisphenols

This disclosure relates to a method for producing and using catalysts in the production of bisphenols, and in particular to a method for producing catalysts which contain poly-sulfur mercaptan promoters, and using these catalysts in the production of bisphenol-A and its derivatives.

Process for the synthesis of bisphenol

A process for the production of a bisphenol comprises reacting a feed comprising a phenol, a ketone and water in the presence of an ion exchange resin catalyst to produce an effluent; determining the para—para bisphenol selectivity of the reaction; and adjusting the concentration of the water in the feed based upon the para—para bisphenol selectivity in the effluent.

Radical curable compound, method for producing radical curable compound, radical curable composition, cured product thereof, and composition for resist material

耐熱性に優れたポジ型フォトレジスト組成物を提供する。下記一般式（１） （式中、Ｒ １ 、Ｒ ２ 及びＲ ３ はそれぞれ独立して炭素原子数１〜８のアルキル基であり、ｍ及びｎはそれぞれ独立して１〜４の整数であり、ｐは０〜４の整数である。また、X、Y、及びＺはそれぞれ独立してアクリロイルオキシ基、メタアクリロイルオキシ基または水酸基の何れかであり、Ｘ、Ｙ、Ｚのうち少なくとも一つはアクリロイルオキシ基またはメタアクリロイルオキシ基であり、ｔは１または２である。） で表されることを特徴とするラジカル硬化性化合物。 Provided is a positive photoresist composition having excellent heat resistance. The following general formula (1) Wherein R 1 , R 2 and R 3 are each independently an alkyl group having 1 to 8 carbon atoms, m and n are each independently an integer of 1 to 4, and p is 0 to 4 X, Y, and Z are each independently an acryloyloxy group, a methacryloyloxy group, or a hydroxyl group, and at least one of X, Y, and Z is an acryloyloxy group or a meta An acryloyloxy group, and t is 1 or 2.) A radical curable compound represented by the formula:

用于生产双酚的催化剂及用该催化剂生产双酚的方法

提供一种活性高而且耐重物性和耐醇性好的用于生产双酚的催化剂、及用该催化剂生产双酚的方法。所述催化剂是用(a)吡啶链烷硫醇和(b)氨基链烷硫醇和/或噻唑烷改性的磺酸型阳离子交换树脂；所述方法包括使酚和酮在所述用于生产双酚的催化剂存在下反应。

Method for producing aromatic polycarbonate

Method for regenerating a sulfonated aromatic organic polymeric ion-exchange resin bed having deactivated aminoorganomercaptan groups with phenol

A method is provided for regenerating deactivated sulfonated aromatic organic ion-exchange resin beds, such as a polystyrene ion-exchange resin bed, having chemically combined amino organo mercaptan groups with anhydrous phenol at an elevated temperature.

PROCESS FOR PREPARING BISPHENOL A

高邻位双酚f的制备方法

本发明公开了一种高邻位双酚F的制备方法，采用改性阳离子交换树脂催化剂催化甲醛和苯酚反应，所述改性阳离子交换树脂催化剂是将强酸型阳离子交换树脂用稀盐酸浸泡后水洗，再与二价金属离子的氢氧化物溶液或弱酸盐溶液混合反应得到。采用二价金属离子改性阳离子树脂催化反应，有利于甲醛优先在酚羟基邻位反应，有效的制备了高邻位异构体含量的双酚F产品；反应完成后，通过抽滤、清洗等可将催化剂回收并循环使用，反应后抽滤的滤液减压蒸馏过程中还可回收苯酚，后处理简单，并且避免了使用磷酸等无机酸的设备腐蚀的问题。

Bisphenol A reactor

本发明公开了双酚A反应器，包括裙座和反应器本体，反应器本体设于裙座上，反应器本体的底部设有进料管；催化床设于进料分布器上方，催化床顶部装填有瓷球层，温度平衡系统布置于催化床中；温度平衡系统由恒温水总管以及恒温水总管的两侧间隔连接的自上而下依次排列的若干恒温蜗形管组成，每个恒温蜗形管的进口与位于催化床中心的恒温水总管相连通；进料分布器与进料管连通，进料分布器包括分布器总管以及其两侧连通的与分布器总管垂直设置的若干分布器支管，分布器总管和分布器支管下方均连接有分布箱。本发明的优点在于：温度平衡系统的设置可避免结晶物的产生，催化剂的使用寿命长，进料分布器使物料分配更均匀，有利于平衡温度。

Process for producing bisphenol A with reduced sulfur content

本发明涉及用于生产具有降低的含硫量的双酚A的方法。具体而言，用于生产双酚A产品的方法包括：在含硫助聚剂存在下，使苯酚与丙酮反应以获得包括双酚A、苯酚、和助聚剂的反应混合物；在苯酚与丙酮反应之后，冷却以形成包括双酚A和苯酚的晶体的晶体流；将晶体与晶体流分离；熔融晶体以形成双酚A、苯酚、和硫的熔融流；使熔融流与碱接触以降低熔融流的硫浓度并且形成降低的硫流；以及从降低的硫流中除去苯酚以形成双酚A产品。本文中还公开了一种容器，包括：由基于双酚A的重量具有0.5至15ppm硫浓度的双酚A形成的聚碳酸酯。

Process for producing 2-4-pyridylethanethiol

본 발명의 목적은 2-(4-피리딜)에탄티올을 쉽게 제조하는 방법을 제공하는 것이다. It is an object of the present invention to provide a method for easily preparing 2- (4-pyridyl) ethanethiol. 본 발명에 따르면, 산을 함유하는 수성 매질에서 4-비닐피리딘을 티오요소와 반응시켜 이소티우로늄 염을 함유하는 용액을 형성한 후, 그 용액을 알칼리성으로 만들어 이소티우로늄 염을 2-(4-피리딜)에탄티올로 전환시킨다. According to the present invention, 4-vinylpyridine is reacted with thiourea in an aqueous medium containing an acid to form a solution containing an isothiuronium salt, and then the solution is made alkaline to make the isotyuronium salt 2- Convert to (4-pyridyl) ethanethiol.

The method that one kind catalyzes and synthesizes high 44 ' content of isomer Bisphenol F

本发明公开了一种催化合成高4‑4′异构体含量双酚F的方法。该方法以磺酸基和巯基双官能团改性介孔SBA‑15分子筛为固体催化剂，催化苯酚、甲醛合成双酚F。所用催化剂是以聚环氧乙烷‑聚环氧丙烷‑聚环氧乙烷三嵌段共聚物为模板剂，以正硅酸乙酯为硅源，在酸性条件下加入2‑(4‑氯磺酰苯基)乙基三甲氧基硅烷和(3‑巯基丙基)三甲氧基硅烷两种有机官能团前驱体直接共聚制得。合成产物中双酚F的4‑4′异构体含量高，反应时间短，催化剂制备过程简单，催化剂易于分离回收，并可重复使用，同时反应过程不需要添加其它有机溶剂，产品分离及后处理过程简单。

Modified ion exchange resin and method for obtaining bisphenols

FIELD: chemistry. SUBSTANCE: invention claims modified ion exchange resin, where at least one compound selected out of the following (A) and (B) compounds is linked by ion link to functional acid group of acid ion exchange resin, so that compound is linked by ion link to 0.1-50 mol % of total functional acid group number present in acid ion exchange resin: compound (A) is represented by formula 1, where P is phosphor atom; S is sulfur atom; H is hydrogen atom; R 1 is alkylene group including 1 to 6 carbon atoms, where one fragment can include phenylene group; and each R 2 , R 3 and R 4 are independently (1) alkyl group including 1 to 6 carbon atoms, or (3) aryl group including 5 to 10 carbon atoms; and compound (B) is represented by formula 2, where P is phosphor atom; S is sulfur atom; H is hydrogen atom; each of R 1 and R 2 is alkylene group including 1 to 6 carbon atoms, where one fragment can include phenylene group; and each R 3 and R 4 are independently an aryl group including 5 to 10 carbon atoms. Also invention claims catalyst for obtaining bisphenols, based on this resin, and method of bisphenol obtaining. Invention claims methods of obtaining modified ion exchange resin (versions). EFFECT: obtained catalyst with high selectivity to bisphenols, obtaining of bisphenol A with high acetone conversion grade. 9 cl, 10 ex ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß RU (19) (11) 2 337 753 (13) C1 (51) ÌÏÊ B01J 31/10 (2006.01) B01J 39/16 (2006.01) C07C 39/16 (2006.01) C07B 45/06 (2006.01) C08F 8/40 (2006.01) ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÎÏÈÑÀÍÈÅ ÈÇÎÁÐÅÒÅÍÈß Ê ÏÀÒÅÍÒÓ (21), (22) Çà âêà: 2007104029/04, 14.06.2005 (30) Êîíâåíöèîííûé ïðèîðèòåò: 02.07.2004 JP 2004-196828 (73) Ïàòåíòîîáëàäàòåëü(è): ÌÈÖÓÈ ÊÅÌÈÊÀËÇ, ÈÍÊ. (JP) (45) Îïóáëèêîâàíî: 10.11.2008 Áþë. ¹ 31 2 3 3 7 7 5 3 (56) Ñïèñîê äîêóìåíòîâ, öèòèðîâàííûõ â îò÷åòå î ïîèñêå: JP 2003190805 À, 08.07.2003. US 6414200 B1, 07.02.2002. RU 2128550 C1, 10.04.1999. SU 1600619 A3, 15.10. ...

Production of bisphenol a with a reduced sulphur content

本发明涉及低硫含量的双酚A及其生产方法。

Method and plant for controlling a continuous crystallization process

Ein Verfahren und eine Anlage (10) zur Regelung eines kontinuierlichen Kristallisationsprozesses, der insbesondere zur Herstellung von Bisphenol A verwendet werden kann, weist eine mit einem Kristallisationsapparat (12) im Kreis geschalteten Wärmetauscher (14) auf. Eine Wärmetauscherleistung des Wärmetauschers (14) zur Kühlung eines Austrittsstroms (16) des Installationsapparats (12) wird in Abhängigkeit von einem zugeführten Feedstrom (24) eingestellt, um eine Austrittstemperatur des Austrittsstroms (16) zu regeln. Erfindungsgemäß wird die aktuell benötigte Wärmetauscherleistung rechnerisch ermittelt, wobei die errechnete Wärmetauscherleistung zeitlich gedämpft am Wärmetauscher (14) eingestellt wird. Durch die zeitliche Dämpfung werden große Temperaturunterschiede im Wärmetauscher (14) vermieden, so dass Fouling im Wärmetauscher (14) vermieden wird. Dies führt bei einer verbesserten Regelgüte zu weniger Produktionsausfällen und somit zu einer verbesserten Produktivität.

Bisphenol-a production method

The present invention is a step of condensing and reacting excess phenol and acetone in the presence of an acid catalyst, to produce BPA, to obtain a reaction mixture containing BPA (A), and to concentrate the reaction mixture to obtain a concentrate. (B), the step of crystallizing the concentrated liquid after crystallization, separating the solid into a solid and a mother liquid (C), a step of isomerizing at least a part of the mother liquid present in the system in the mother liquid (D), and after isomerization treatment After the solution is crystallized, solid-liquid separation is carried out to separate the solid and the mother liquor, and at least a part of the mother liquor present in the system is subjected to an alkali decomposition treatment in the mother liquor obtained in the previous step to recover phenol and / or IPP. According to the production method of bisphenol A having the step (F) of supplying to the reactor of step (A) without passing through the recombination reactor, the amount of raw materials to be supplied is effectively reduced. In addition, bisphenol A of high quality can be produced.

Method and system for regulating a continuous crystallization process

The invention relates to a method and a system (10) for regulating a continuous crystallization process that can particularly be used for the production of bisphenol A, comprising a heat exchanger (14) that is connected in a circuit to a crystallization apparatus (12). A heat exchanger performance of the heat exchanger (14) for cooling an outlet flow (16) of the crystallization apparatus (12) is set as a function of a supplied feed stream (24) in order to regulate the outlet temperature of the outlet flow (16). According to the invention, the currently required heat exchanger performance is calculated, wherein the calculated heat exchanger performance is set in a time-damped manner on the heat exchanger (14). Due to the time damping, high temperature differences in the heat exchanger (14) are avoided such that fouling in the heat exchanger (14) is avoided. With an increased regulating quality this results in lower lost output and thus in increased productivity.

Method for preparing bisphenol-a

본 발명은, 페놀 및 아세톤을 반응시켜 비스페놀A를 제조하는 방법에 있어서, 고내열성의 약염기성 이온교환수지를 사용하여 산촉매로부터 유래된 술폰산의 농도를 특정 농도 이하로 조절해 줌으로써, 열안정성 및 고온 색상특성이 향상된 비스페놀A를 제조할 수 있다. The present invention relates to a method for producing bisphenol A by reacting phenol and acetone, by using a weak basic ion exchange resin with high heat resistance to adjust the concentration of sulfonic acid derived from an acid catalyst to a specific concentration or less, thereby providing thermal stability and high temperature Bisphenol A with improved color characteristics can be prepared.

Method for producing bisphenol A

A kind of preparation method of alpha-Naphthol compounds

本发明属于医药化工中间体及相关化学技术领域，涉及到一种α-萘酚类化合物的制备方法。以邻卤苯乙酮及其衍生物为原料，在铜催化剂和碱的作用下，于有机溶剂中发生自身缩合反应，得到α-萘酚类化合物。本发明所述的α-萘酚的制备方法，反应步骤少，原料简单易得，催化剂价格低廉，反应条件温和，便于操作。由于α-萘酚类化合物是一类重要的骨架结构，在药物合成领域有着非常广泛的应用，因此，本发明具有较大的使用价值和社会经济效益。

Naphthol type calixarene compound and method for producing the same, photosensitive composition, resist material, and coating film

溶剤溶解性に優れるナフトール型カリックスアレーン化合物と、当該ナフトール型カリックスアレーン化合物の製造方法と、当該ナフトール型カリックスアレーン化合物を含有し、耐熱分解性、アルカリ現像性、光感度、解像度に優れる塗膜が得られる感光性組成物と、当該感光性組成物からなるレジスト材料及び塗膜を提供する。具体的には一般式（１）で表される分子構造からなることを特徴とする、ナフトール型カリックスアレーン化合物［式（１）中、Ｒ１は、水素原子、アルキル基、アルコキシ基、置換基を有していてもよいアリール基、置換基を有していてもよいアラルキル基、又はハロゲン原子を表し、複数存在するＲ１は、互いに同一でもよく異なっていてもよく、Ｒ２は置換基を有していてもよいアルキル基又は置換基を有していてもよいアリール基を表し、ｎは２〜１０の整数を表す。］。［化１］ A naphthol-type calixarene compound having excellent solvent solubility, a method for producing the naphthol-type calixarene compound, and a coating film containing the naphthol-type calixarene compound and having excellent thermal decomposition resistance, alkali developability, photosensitivity, and resolution. Provided are a photosensitive composition to be obtained, and a resist material and a coating film comprising the photosensitive composition. Specifically, a naphthol-type calixarene compound having a molecular structure represented by the general formula (1) [in the formula (1), R1 represents a hydrogen atom, an alkyl group, an alkoxy group, or a substituent. An aryl group that may have, an aralkyl group that may have a substituent, or a halogen atom, and a plurality of R1 may be the same or different from each other, and R2 has a substituent Represents an optionally substituted alkyl group or an optionally substituted aryl group, and n represents an integer of 2 to 10. ]. [Chemical 1]

Method of obtaining catalyst for decomposition of alkylaromatic hydroperoxides

Настоящее изобретение относится к способу получения катализатора для разложения алкилароматических гидропероксидов в непрерывном режиме путем смешения сульфирующего реагента с фенолом при температуре 42-56 °С и выдержку полученной реакционной смеси не более 10 мин. Затем температуру полученной реакционной смеси снижают на 10-40 °С и выдерживают смесь при этой температуре перед подачей в реактор в течение 0,5-100 часов. Технический результат заключается в получении катализатора для разложения алкилароматических гидропероксидов, обладающего высокой активностью, а также повышение качества целевого продукта. 1 з.п. ф-лы, 8 табл., 5 пр. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 560 183 C1 (51) МПК B01J 31/02 (2006.01) C07C 37/08 (2006.01) C07C 45/53 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2014132773/04, 08.08.2014 (24) Дата начала отсчета срока действия патента: 08.08.2014 (45) Опубликовано: 20.08.2015 Бюл. № 23 2 5 6 0 1 8 3 R U (54) СПОСОБ ПОЛУЧЕНИЯ КАТАЛИЗАТОРА ДЛЯ РАЗЛОЖЕНИЯ АЛКИЛАРОМАТИЧЕСКИХ ГИДРОПЕРОКСИДОВ (57) Реферат: Настоящее изобретение относится к способу снижают на 10-40 °С и выдерживают смесь при получения катализатора для разложения этой температуре перед подачей в реактор в алкилароматических гидропероксидов в течение 0,5-100 часов. Технический результат непрерывном режиме путем смешения заключается в получении катализатора для сульфирующего реагента с фенолом при разложения алкилароматических температуре 42-56 °С и выдержку полученной гидропероксидов, обладающего высокой реакционной смеси не более 10 мин. Затем активностью, а также повышение качества температуру полученной реакционной смеси целевого продукта. 1 з.п. ф-лы, 8 табл., 5 пр. Стр.: 1 C 1 C 1 Адрес для переписки: 195267, Санкт-Петербург, а/я 39, ООО "НПО ЕВРОХИМ" 2 5 6 0 1 8 3 (56) Список документов, цитированных в отчете о поиске:RU 2334734 C1, 27.09.2008 . RU 2404954 C2, 27.11.2010. EP 0203632 A2, 03.12.1986 (73) ...

Modified acidic ion exchange resin and process for producing bisphenols

페놀류와 케톤류를 반응시켜 비스페놀류를 제조하는 방법에 있어서, 종래의 변성 이온교환수지보다 비스페놀류 선택성이 높은 변성 산성 이온교환수지 촉매 및 그 제조법을 제공한다. In the method for producing bisphenols by reacting phenols and ketones, a modified acidic ion exchange resin catalyst having a higher selectivity for bisphenols than a conventional modified ion exchange resin and a method for producing the same are provided. 산성 이온교환수지의 산성 관능기에 하기 (A), (B)에서 선택되는 적어도 1종의 화합물이 이온 결합하고 있는 것을 특징으로 하는 변성 산성 이온교환수지. A modified acidic ion exchange resin, wherein at least one compound selected from the following (A) and (B) is ionically bonded to an acidic functional group of the acidic ion exchange resin. (A) 식 1로 나타나는 화합물　　　　　(B) 식 2로 나타나는 화합물 (A) Compound represented by Formula 1 (B) Compound represented by Formula 2 변성 이온 교환 수지, 비스페놀류 Modified ion exchange resins and bisphenols

Method for producing bisphenols

FIELD: chemistry. SUBSTANCE: process comprises reacting phenol or its derivatives with a ketone or aldehyde at a temperature of 30-80°C in presence of a catalyst and hydrogen sulfide promoter. The cation-exchange resin is used as the catalyst, and hydrogen sulfide is fed at a pressure of 0.1-1.0 MPa, at a molar ratio of ketone or aldehyde: phenol or its derivatives: hydrogen sulphide 1: (2-10):(0.12-0.7). EFFECT: method allows to produce high-quality bisphenols with main substance content of not less than 99,9 percent in high yield. 3 cl, 1 tbl, 2 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 626 005 C1 (51) МПК C07C 37/20 (2006.01) C07C 39/16 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ФОРМУЛА (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ 2016123869, 15.06.2016 (24) Дата начала отсчета срока действия патента: 15.06.2016 Дата регистрации: (73) Патентообладатель(и): Федеральное государственное унитарное предприятие "Российский научный центр "Прикладная химия" (RU) Приоритет(ы): (22) Дата подачи заявки: 15.06.2016 (45) Опубликовано: 21.07.2017 Бюл. № 21 7112702B2, 26.09.2006. US 7227046B2, 05.06.2007. Бальцер А.Е. и др. Оптимизация технологических параметров процесса синтеза бисфенолов - мономеров в производстве поликарбонатов. Наука XXI век: Сборник материалов международной научной конференции. Россия, г. Москва, 27-28 февраля 2015 г. М.: РусАльянсСова, 2015, стр.9-21. R U 2 6 2 6 0 0 5 (54) СПОСОБ ПОЛУЧЕНИЯ БИСФЕНОЛОВ (57) Формула изобретения 1. Способ получения бисфенолов, включающий взаимодействие фенола или его производных с кетоном или альдегидом при температуре 30-80°C в присутствии катализатора и промотора - сероводорода, отличающийся тем, что в качестве катализатора используют катионообменную смолу, а сероводород подают под давлением 0,1-1,0 МПа, при мольном соотношении кетон или альдегид:фенол или его производные:сероводород 1:(2-10):(0,12-0,7). 2. Способ по п. 1, отличающийся тем, что контактная нагрузка на катализатор по ...

Ion exchange resin for producing bisphenol

本发明涉及用于以高转化百分比和高双酚选择性百分比生产双酚(特别是4，4′‑异亚丙基二苯酚)的离子交换树脂，其中所述离子交换树脂包含具有磺酸基的芳族聚合物，所述磺酸基用选自如结构(I)、(II)、(III)、(IV)所示的化合物或其胺盐的至少一种促进剂改性：

Process for preparing bis phenola

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Combined method of obtaining diphenol a from cumane hydroperoxide

FIELD: chemistry. SUBSTANCE: cumane hydroperoxide is decomposed in presence of acid catalyst from sulfated metal in order to transform cumane hydroperoxide into mass, which after decomposition contains mainly phenol and acetone, and mass reaction after decomposition is carried out, preferably without intermediate purification, in presence of cation catalyst, composed of cation-exchange resin and mercaptane promoter or promoter in form of mercaptoalkane acid in order to transform phenol and acetone in mass after decomposition mainly into diphenol A. EFFECT: high product output with low admixture formation without necessity of stages of intermediate purification. 10 cl, 3 dwg, 6 ex ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß RU (19) (11) 2 339 608 (13) C2 (51) ÌÏÊ C07C C07C C07C C07C C07C 39/16 37/20 39/04 49/08 37/08 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÎÏÈÑÀÍÈÅ ÈÇÎÁÐÅÒÅÍÈß Ê ÏÀÒÅÍÒÓ (21), (22) Çà âêà: 2005137698/04, 14.04.2004 (24) Äàòà íà÷àëà îòñ÷åòà ñðîêà äåéñòâè ïàòåíòà: 14.04.2004 (30) Êîíâåíöèîííûé ïðèîðèòåò: 04.06.2003 US 10/250,107 (73) Ïàòåíòîîáëàäàòåëü(è): ÄÆÅÍÅÐÀË ÝËÅÊÒÐÈÊ ÊÎÌÏÀÍÈ (US) (43) Äàòà ïóáëèêàöèè çà âêè: 10.06.2007 R U (72) Àâòîð(û): ÊÓÌÁÕÀÐ Ïðàìîä Øàíêàð (IN), ÒÕÀÌÏË Äæåãàäèø (IN), ÑÈÍÃÕ Áõàðàò (IN), ÔÓËÌÅÐ Äæîí Ó. (US), ÒÀÒÀÊÅ Ïðàøàíò Àíèë (IN) (45) Îïóáëèêîâàíî: 27.11.2008 Áþë. ¹ 33 2 3 3 9 6 0 8 (56) Ñïèñîê äîêóìåíòîâ, öèòèðîâàííûõ â îò÷åòå î ïîèñêå: SU 701986 À, 10.12.1979. US 6169216 Â1, 02.01.2001. RU 2205173 Ñ2, 27.05.2003. US 3394089 À, 23.07.1968. D.DES ÅÒ AL., Sulfonic acid functionalized mesoporous MCM-41 silica as a convenient catalyst for Bisphenol-A synthesis. Chem. Commun. 2001, vol.21, pages 2178-2179. 2 3 3 9 6 0 8 R U C 2 C 2 (85) Äàòà ïåðåâîäà çà âêè PCT íà íàöèîíàëüíóþ ôàçó: 02.12.2005 (86) Çà âêà PCT: US 2004/011504 (14.04.2004) (87) Ïóáëèêàöè PCT: WO 2004/108641 (16.12.2004) Àäðåñ äë ïåðåïèñêè: 129010, Ìîñêâà, óë. Á.Ñïàññêà , 25, ñòð.3, ÎÎÎ ...

RESIN WITH PROMOTOR AND ANTIOXIDANT

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2019 119 061 A (51) МПК C07C 37/20 (2006.01) B01J 31/10 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2019119061, 30.12.2016 (71) Заявитель(и): ДАУ ГЛОУБЛ ТЕКНОЛОДЖИЗ ЛЛК (US), РОМ ЭНД ХААС КОМПАНИ (US) Приоритет(ы): (22) Дата подачи заявки: 30.12.2016 (43) Дата публикации заявки: 21.12.2020 Бюл. № 36 (86) Заявка PCT: CN 2016/113515 (30.12.2016) WO 2018/120024 (05.07.2018) R U (54) СМОЛА С ПРОМОТОРОМ И АНТИОКСИДАНТОМ (57) Формула изобретения 1. Каталитическая композиция, содержащая: (a) совокупность гранул смолы, имеющих функциональные группы, представляющие собой остатки сульфоновой кислоты, (b) промотор, имеющий тиольную группу и аминную группу, и (c) антиоксидант, характеризующийся структурой (I), (I), где каждый из R1, и R2, и R3 представляет собой водород или замещенную или незамещенную алкильную или алкенильную группу, где n составляет от 0 до 20, при условии, что, если R3 содержит один или несколько атомов азота, n не равняется 1 или 2. 2. Каталитическая композиция по п. 1, где каждый или R1 и R2 независимо представляет собой незамещенную алкильную группу, содержащую от 2 до 20 атомов углерода. Стр.: 1 A 2 0 1 9 1 1 9 0 6 1 A Адрес для переписки: 105082, Москва, Спартаковский пер., д.2, стр. 1, секция 1, этаж 3, 'ЕВРОМАРКПАТ' 2 0 1 9 1 1 9 0 6 1 (87) Публикация заявки PCT: R U (85) Дата начала рассмотрения заявки PCT на национальной фазе: 19.06.2019 (72) Автор(ы): КОСТЁ, Чунься (US), ЧЖУ, Чэнли (US), ЯН, Лю (CN), ШУЛЬЦ, Альфред К. (US) 3. Каталитическая композиция по п. 1, где R3 представляет собой водород или незамещенную алкильную группу. 4. Каталитическая композиция по п. 1, где R3 представляет собой водород, и n равняется нулю. 5. Каталитическая композиция по п. 1, где R3 представляет собой метил, и n равняется нулю. 6. Каталитическая композиция по п. 1, где смола содержит полимеризованные звенья из одного или нескольких стирольных мономеров. 7. ...

Method of producing 2.3-dihydro-2.2-dimethyl-7-benzofuranole

Preparation of substituted 2,3-dihydrobenzofuran which can be defined by the general formula: …<CHEM>… wherein; Ra is hydrogen, halogen, or an alkyl radical, straight lined or branched containing from 1 to 4 carbon atoms, aryl, alkaryl, -OH, OR3 -N(Ra)2, (Rabeing, in its turn, an alkyl radical, straight lined or branched containing from 1 to 4 carbon atoms);… Rb is an alkyl radical, straight lined or branched containing from 1 to 6 carbon atoms, aryl or alkaryl;… Rc is hydrogen or has the same meaning as Rb;… by rearrangement of 1,1-bis(2-hydroxybenzene)alkyl and/or aryl-ethane, which can be defined by the general formula: …<CHEM>… wherein Ra, Rb and Rc have the above specified meanings, working in the presence of catalytic amounts of at least a mineral or an organic acidic compound, at a high temperature and withdrawing from the reaction mass the products of the rearrangement reactions they are being formed. …<??>The 1,1-bis(2-hydroxybenzene)alkyl and/or arylethane are obtained starting from substituted phenols and aldehydes under the influence of specially provided catalysts. …<??>Within the scope of this reaction, 1,1-bis(2,3-dihydroxybenzene)alkyl or aryl-methane are found, which can be defined by the general formula: …<CHEM>… wherein; R is an alkyl radical, straight lined or branched, containing from 1 to 20 carbon atoms, or an aryl radical;… R1, R2 and R3 are equal to or different from each other and represent: H, halogen, or the alkyl radical, straight lined or branched, containing from 1 to 4 carbon atoms, aryl, alkaryl, -OH, -OR4, -N(R4)2, R4 being an alkyl radical, straight lined or branched, containing from 1 to 4 carbon atoms. …<??>Such compounds are obtained by reaction of a biphenol which can be defined by the general formula: …<CHEM>… with an aldehyde which can be defined by the general formula… R-CHO… wherein R, R1 R2 and R3 have the meanings specified hereinabove, working in the presence of catalytic amounts ...

Novolac Resin, Hardener Comprising the Same and Epoxy Resin Composition

The present invention relates to a novolac resin, a hardener comprising the same, and an epoxy resin composition and, more specifically, to a novolac resin which has low viscosity and of which the degree of polymerization and molecular weight are adjusted to a specific range in order to greatly improve high thermal stability and moisture resistance at high temperatures, and to a novolac hardener and an epoxy resin composition including the same.

Process for isomerizing products obtained from the condensation of ketones and phenols to produce bisphenols

本发明涉及一种从酮和苯酚的缩合反应制备双酚所得到的产物的异构化方法，该方法包括将从酮和苯酚的缩合反应制备双酚所得到的产物在水性条件下与离子交换树脂接触，用于非期望的产物的异构化，并分离具有较高双酚含量的产物，其中，所述离子交换树脂是具有磺酸基团的芳族聚合物，该磺酸基团被至少一种选自结构(I)所示化合物的促进剂改性：

Resin containing accelerators and antioxidants