C08G18/2027

AMIDATE COMPOUND, PRODUCTION METHOD THEREFOR, BLOCKING-AGENT DISSOCIATION CATALYST, AND THERMALLY CURABLE RESIN COMPOSITION

The invention provides a method for producing an amidate compound, comprising reacting an imidazolium carboxylic acid salt represented by the following formula (1):

##STR00001##

wherein R.sup.1 to R.sup.5 are as defined in the specification, with a polyisocyanate compound represented by the following formula (2):

##STR00002##

wherein A and x are as defined in the specification, and wherein the produced amidate compound is represented by the following formula (3):

##STR00003##

wherein y, z, A, and R.sup.1 to R.sup.5 are as defined in the specification.

BLOCKED POLYISOCYANATE COMPOSITION, HEAT-CURABLE RESIN COMPOSITION, CURED PRODUCT, AND PRODUCTION METHOD THEREFOR

The present invention provides a blocked polyisocyanate composition comprising a blocked polyisocyanate compound and an amidate compound represented by the following Formula (2):

##STR00001##

wherein B, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, R.sup.9, R.sup.10, and R.sup.11 are as defined in the specification.

XYLYLENE DIISOCYANATE COMPOSITION, POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, RESIN, MOLDED ARTICLE, OPTICAL ELEMENT, AND LENS

A xylylene diisocyanate, a compound represented by the following chemical formula (1), and a compound represented by the following chemical formula (2) are contained in a xylylene diisocyanate composition.

##STR00001##

COMPOSITIONS CONTAINING URETDIONE GROUPS CROSSLINKING AT LOW TEMPERATURES

The invention relates to compositions containing A) at least one component having at least one uretdione group, B) at least one component having at least one hydroxyl group, C1) of at least one catalyst, containing a structural element of the general formula (I) and/or (II), wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 independently of each other represent the same or different radicals meaning saturated or unsaturated, linear or branched, aliphatic, cycloaliphatic, araliphatic or aromatic organic radicals with 1 to 18 carbon atoms that are substituted or unsubstituted and/or have heteroatoms in the chain, the radicals being capable of forming, even when combined with each other and optionally together with an additional heteroatom, rings with 3 to 8 carbon atoms that can optionally be further substituted, wherein R.sup.3, R.sup.4, R.sup.5 and R.sup.6 independently of each other can also represent hydrogen, and R.sup.7 represents hydrogen or a carboxylate anion (COO−), and C2) at least one catalyst containing at least one N,N,N′-trisubstituted amidine structure and having an amidine group content (calculated as CN2; molecular weight=40) of 12.0 to 47.0 wt.-%.

BLOCKED ISOCYANATE COMPOSITION, HEAT-CURABLE RESIN COMPOSITION, CURED PRODUCT, PRODUCTION METHOD THEREFOR, AMIDATE COMPOUND, AND CATALYST FOR DISSOCIATION OF BLOCKING AGENT FOR BLOCKED ISOCYANATES

The present invention provides a blocked isocyanate composition comprising a blocked isocyanate compound in which an isocyanate group of an isocyanate compound is blocked with a fluoroalcohol compound, and at least one amidate compound represented by the following Formula (2):

##STR00001##

wherein B, G, J, R.sup.7. and R.sup.8 are as defined in the specification.

Thixotropic composition that can be used as an anti-running agent for mastics
11261352 · 2022-03-01 · ·

An adhesive sealant composition of at least one moisture-crosslinkable prepolymer and an anti-sagging agent of 5% to 30% by weight of a thixotropic composition of 10% to 40% by weight of a bisurea a) obtained by reaction of a primary aliphatic amine a1) with a diisocyanate a2) having a molar mass of less than 500 g/mol, and 60% to 90% by weight of an ester b) of formula (I): ##STR00001##
in which R.sup.1, R.sup.2 and R.sup.3 are an oxycarbonylalkyl radical having from 4 to 20 carbon atoms, R.sup.4 is hydrogen, methyl or ethyl or —CH.sub.2—R.sup.5 in which R.sup.5 is oxycarbonylalkyl having from 4 to 20 carbon atoms, in the form of a suspension of solid particles of bisurea a) in a continuous phase formed by ester b).

FLAME-RETARDANT URETHANE RESIN COMPOSITION

The flame-retardant urethane resin composition contains a polyisocyanate compound, a polyol compound, a trimerization catalyst, a blowing agent, and an additive, wherein the additives include red phosphorus and a filler, and the filler has an aspect ratio of 5 to 50, an average particle diameter of 0.1 μm or larger, but smaller than 15 μm, and a melting point of 750° C. or higher.

CATALYST COMPOSITION FOR CURING RESINS CONTAINING EPOXY GROUPS

The present invention relates to a catalyst composition for curing resins containing epoxy groups, in particular epoxy/polyurethane hybrid resins, the catalyst composition containing an imidazolium salt, in addition to a base, as well as a method for curing such resins in the presence of the catalyst composition, to the use of the catalyst composition for curing resins containing epoxy groups, to resin systems comprising a resin containing epoxy groups and the catalyst composition, and to a dosing system that comprises the resin and the catalyst composition.

METHOD FOR PRODUCING AMIDATE COMPOUND, AND AMIDATE COMPOUND

A method for producing an amidate compound represented by Formula (4), comprising reacting an iminium salt represented by Formula (1) and an organic compound represented by Formula (3), wherein Formulas (1), (3), and (4) are as defined in the description.

Polymerizable composition, optical material, and manufacturing method of the same
09778397 · 2017-10-03 · ·

The polymerizable composition of the present invention contains (A) an alicyclic isocyanate compound (a1) having two or more functional groups and/or an aliphatic isocyanate compound (a2) having two or more functional groups, (B) a thiol compound having one or more sulfide bonds and/or one or more ester bonds and having two or more functional groups, and (C) an imidazole-based curing catalyst, in which the amount of the imidazole-based curing catalyst (C) is 5 ppm to 3,000 ppm with respect to the total amount of the isocyanate compound (A) and the thiol compound (B).