Abstract: Object of the invention is a process for the manufacturing of a polymer with urethane groups, wherein in a first alternative A) a five-membered cyclic monothiocarbonate B) a compound with at least two amino groups, selected from primary or secondary amino groups, and C) a compound which at least two functional groups that react with a group —SH or, in case of a carbon-carbon triple bond as functional group that react with a group —SH, a compound with at least one carbon-carbon triple bond are reacted or wherein in a second alternative A) a five-membered cyclic monothiocarbonate and D) a compound with at least one primary or secondary amino group and at least one functional group that reacts with a group —SH.

Abstract: A process prepares a compound containing at least one cyclic monothiocarbonate group, wherein a salt of an acidic compound with at least one acidic hydrogen atom is reacted with a compound of formula (I), wherein one of the groups R1 to R4 is a group of formula (II), -A-X, with A representing an organic group with at least one carbon atom and X representing a halide, and the remaining groups R1 to R4 independently from each other represent hydrogen or an organic group with 1 to 50 carbon atoms.

Abstract: A process synthesizes a compound with at least one alkylene group and at least one thiol or thiolate group. The process involves reacting a compound with at least one five-membered cyclic monothiocarbonate group with a starter selected from a compound with at least one thiol group, from a compound with at least one hydroxy group, or from a basic inorganic composed; to obtain a compound with at least one alkylene group and at least one thiol or thiolate group and carbon dioxide.

Abstract: Process for the manufacturing of a polymer with urethane groups, wherein in a first alternative a compound A) with at least two five-membered cyclic monothiocarbonate groups and a compound B) with at least two amino groups, selected from primary or secondary amino groups and optionally a compound C) with at least one functional group that reacts with a group —SH are reacted or wherein in a second alternative a compound A) with at least two five-membered cyclic monothiocarbonate groups or a mixture of a compound A) with a compound A1) with one five-membered cyclic monothiocarbonate group and a compound B) with at least two amino groups, selected from primary or secondary amino groups or a compound B1) with one amino group selected from primary or secondary amino groups or mixtures of compounds B) and B1) and a compound C) with at least two functional groups that react with a group —SH or in case of a carbon-carbon triple bond as functional group that react with a group —SH, a compound C) with at least one carb

Abstract: The invention relates to a process for working up water containing 4,4?-dichlorodiphenyl sulfoxide and/or 4,4?-dichlorodiphenyl sulfone as impurities, comprising: (a) mixing the water containing 4,4?-dichlorodiphenyl sulfoxide and/or 4,4?-dichlorodiphenyl sulfone as impurities with an organic solvent in which 4,4?-dichlorodiphenyl sulfoxide and/or 4,4?-dichlorodiphenyl sulfone have a solubility of at least 0.5 wt % based on the amount of 4,4?-dichlorodiphenyl sulfoxide and/or 4, 4?-dichlorodiphenyl sulfone and organic solvent at 20° C., which forms a two-phase system with water and which can be stripped from water with a stripping gas and subsequently separating the obtained mixture into an aqueous phase and an organic phase, and (b) stripping the organic solvent from the aqueous phase with a stripping gas.

Abstract: A process for the purification of organic sulfur compounds involves bringing the organic sulfur compounds, in a liquid phase, into contact with an oxide of a metal from groups VIIb or VIIIb and an oxide of a metal from groups Ia to IIIa of the periodic system, or alternatively, with a mixed-oxide thereof; for a contact period of at least 1 minute. Afterwards, the oxides and the organic sulfur compounds are separated.

Abstract: The invention relates to crystals (C) consisting of at least 98% by weight of 4,4?-dichlorodiphenylsulfone, 0 to 2% by weight of impurities and 0 to 2% by weight of at least one solvent (c). Moreover, the present invention relates to a crystal composition (CC) comprising crystals (C) and a process for the production of the crystal composition (CC) and the crystals (C).

Abstract: A process reduces the odor of compounds with al least one five-membered cyclic monothiocarbonate group, referred to as monothiocarbonate compounds. The monothiocarbonate compounds are in are liquid phase and are brought into contact with an oxidant.

Abstract: A process for the purification of organic sulfur compounds involves bringing the organic sulfur compounds, in a liquid phase, into contact with an oxide of a metal from groups VIIb or VIIIb and an oxide of a metal from groups Ia to IIIa of the periodic system, or alternatively, with a mixed-oxide thereof; for a contact period of at least 1 minute. Afterwards, the oxides and the organic sulfur compounds are separated.

Abstract: The invention relates to a process for producing 4,4?-dichlorodiphenyl sulfone, comprising: (I) reacting thionyl chloride, chlorobenzene and aluminum chloride forming an intermediate reaction product and hydrogen chloride; (II) mixing aqueous hydrochloric acid and the intermediate reaction product to obtain an organic phase comprising 4,4?-dichlorodiphenyl sulfoxide and an aqueous phase; (III) cooling the organic phase to a temperature below the saturation point of 4,4?-dichlorodiphenyl sulfoxide to obtain a suspension; (IV) solid-liquid-separation of the suspension to obtain crystallized 4,4?-dichlorodiphenyl sulfoxide, and mother liquor; (V) washing the crystallized 4,4?-dichlorodiphenyl sulfoxide with a carboxylic acid to obtain carboxylic acid-wet 4,4?-dichlorodiphenyl sulfoxide; (VI) reacting the washed 4,4?-dichlorodiphenyl sulfoxide and an oxidizing agent in a carboxylic acid as solvent to obtain a reaction mixture comprising 4,4?-dichlorodiphenyl sulfone and carboxylic acid; (VII) separating the react

Abstract: A process can be used for the synthesis of compounds containing at least one non-cyclic carbonate group, wherein a compound A) containing at least one five-membered cyclic monothiocarbonate group is reacted with at least one hydroxy group of a compound B) or of compound A) itself.

Abstract: A process prepares a cross-linked polymer containing urethane groups and silicon atoms. Starting materials of the process include a compound A) with a five-membered cyclic monothiocarbonate group, a compound B) with an amino group, selected from primary or secondary amino groups or blocked amino groups, and optionally, a compound C) with at least one functional group that reacts with a group —SH. One of the compounds contains a silicon-functional group. In one example of the process, compounds A) and B), and optionally C), are then reacted under exclusion of water to obtain a polymer with curable silicon-functional groups. The polymer is applied to a surface, gap, or a three-dimensional template. The silicon-functional groups are cured with ambient water. The polymer contains 0.001 to 0.3 mol of silicon per 100 g of the polymer.

Abstract: The invention relates to a process for working up a composition comprising solid 4,4?-dichlorodiphenyl sulfoxide and a solvent, wherein the amount of solvent in the composition is in the range between 5 and 25 wt % based on the total mass of the composition by washing the composition using a carboxylic acid until the amount of solvent in the composition is below 1.5 wt % based on the total amount of the composition after washing.

Abstract: A process prepares a prepolymer containing a urethane group and a curable silicon-functional group, or a prepolymer of formula (IV), The prepolymer may be cured to a cross-linked polymer by ambient moisture and is therefore suitable for use as a component in a one-component sealant or adhesive composition.

Abstract: A process synthesizes a compound with at least one alkylene group and at least one thiol or thiolate group. The process involves reacting a compound with at least one five-membered cyclic monothiocarbonate group with a starter selected from a compound with at least one thiol group, from a compound with at least one hydroxy group, or from a basic inorganic composed; to obtain a compound with at least one alkylene group and at least one thiol or thiolate group and carbon dioxide.

Abstract: The invention relates to a process for producing 4,4?-dichlorodiphenyl sulfoxide comprising: (a) reacting thionyl chloride, chlorobenzene and aluminum chloride in a molar ratio of thionyl chloride:chlorobenzene:aluminum chloride of 1:(6 to 9):(1 to 1.5) at a temperature in the range from 0 to below 20° C., forming an intermediate reaction product and hydrogen chloride, (b) mixing aqueous hydrochloric acid and the intermediate reaction product at a temperature in the range from 70 to 110° C. to obtain a crude reaction product comprising 4,4?-dichlorodiphenyl sulfoxide, (c) separating the crude reaction product into an organic phase comprising the 4,4?-dichlorodiphenyl sulfoxide and an aqueous phase, (d) washing the organic phase with an extraction liquid.

Abstract: The invention relates to a process for obtaining 4,4?-dichlorodiphenyl sulfoxide from a liquid mixture comprising dichlorodiphenyl sulfoxide and a solvent, comprising: (a) cooling the liquid mixture to a temperature below the saturation point of 4,4?-dichlorodiphenyl sulfoxide in the solvent to obtain a suspension comprising crystallized 4,4?-dichlorodiphenyl sulfoxide, (b) solid-liquid-separation of the suspension to obtain a residual moisture containing solid 4,4?-dichlorodiphenyl sulfoxide as a product and mother liquor, (c) concentrating the mother liquor, (d) recycling at least a part of the concentrated mother liquor into the cooling step (a).

Abstract: The invention relates to a process for purifying 4,4?-dichlorodiphenyl sulfoxide comprising: (a) providing a suspension comprising particulate 4,4?-dichlorodiphenyl sulfoxide in monochlorobenzene, (b) solid-liquid separation of the suspension to obtain residual moisture containing 4,4?-dichlorodiphenyl sulfoxide, (c) washing residual moisture containing 4,4?-dichlorodiphenyl sulfoxide with monochlorobenzene, (d) optionally repeating steps (a) to (c).

Abstract: The invention relates to a crystal (C) consisting of at least 95% by weight of 4,4?-dichlorodiphenylsulfoxide, 0 to 2% by weight of impurities and 0 to 3% by weight of an organic solvent (os). Moreover, the present invention relates to a crystal composition (CC) comprising crystals (C) and a process for the production of the crystal composition (CC) and the crystal (C).

Abstract: A process can be used for the preparation of a compound with at least one five-membered cyclic monothiocarbonate group. The process involves a) using a compound with at least one epoxy group as starting material; b) reacting the compound with phosgene or an alkyl chloroformate, thus giving an adduct; and c) reacting the adduct with a compound containing anionic sulfur, thus obtaining the compound with at least one five-membered cyclic monothiocarbonate group.