C08G18/2081

DIRECT ALKOXYLATION OF BIO-OIL
20170355927 · 2017-12-14 ·

An alkoxylated bio-oil composition is provided. The alkoxylated bio-oil composition may include an alkoxylated bio-oil prepared from an alkoxylation of dewatered bio-oil. A method for preparing an alkoxylated bio-oil composition is provided. A copolymer composition is provided. The copolymer composition may include an alkoxylated bio-oil copolymer unit. A method for preparing a copolymer composition is provided.

Catalysts for producing polyurethanes

A tertiary amine compound is shown and described herein. The tertiary amine is a reaction product of an isocyanate and a compound bearing an active hydrogen and a bicyclic tertiary amine in its molecule. The tertiary amine compounds have been found to be suitable as catalysts for producing polyurethanes. Also shown and described are processes employing the tertiary amine compounds in a reaction of an isocyanate and an alcohol in the presence of the tertiary amine compounds. Further, also shown and described is a method for making the tertiary amine.

SELECTIVE POLYURETHANE PREPOLYMER SYNTHESIS

The present invention relates to a selective process for producing polyurethane prepolymers, to the polyurethane prepolymers obtainable from this process, and also to a process for producing moisture-crosslinking silylated polymers, more particularly silane-functional hybrid polymers, and also to the use thereof in CASE sectors (coatings, adhesives, sealants and elastomers).

One-pack moisture-curing composition
09834711 · 2017-12-05 · ·

A one-pack moisture-curing composition of the present technology contains a preliminary composition, an adhesiveness-imparting agent containing a compound (A) and/or a compound (B), a first catalyst containing a compound (C) and/or dibutyltin bis(pentadione), and a second catalyst containing a dimorpholinodiethylether.

ONE PART, CATALYST CONTAINING, MOISTURE CURABLE DUAL CURE RESINS FOR ADDITIVE MANUFACTURING
20230182376 · 2023-06-15 ·

Provided is method of making a three-dimensional object comprising polyurea, which may include: (a) dispensing a one part (1K) dual cure resin into a stereolithography apparatus, the resin comprising or consisting essentially of a photoinitiator, a reactive blocked polyisocyanate, optionally a catalyst such as a polyurethane blowing catalyst, and optionally a polyepoxide; (b) additively manufacturing from said resin an intermediate object comprising the light polymerization product of said reactive blocked polyisocyanate; (c) optionally cleaning said intermediate object; and (d) reacting said polymerization product in said intermediate with water in the presence of a catalyst such as a polyurethane blowing catalyst (which may be included in the resin, the water, or both) to generate polyamine in situ that sequentially reacts with the remainder of the polymerization product to form urea linkages and thereby produce a three-dimensional object comprising polyurea. Dual cure resins useful for the method are also provided.

Latex compositions comprising polysaccharides

Disclosed herein are aqueous latex compositions comprising polysaccharide particles and a polymer dispersion or polymer emulsion. In one embodiment the polysaccharide particles comprise poly alpha-1,3-glucan. Also disclosed are an adhesive, film, coating, or binder comprising the latex composition in a dry form, as well as articles comprising the adhesive, film, coating, or binder.

TWO-COMPONENT POLYURETHANE ADHESIVE COMPOSITION
20170335046 · 2017-11-23 ·

The present disclosure relates to a curable two-component polyurethane adhesive composition comprising: a) a first component C1 comprising at least one polyol; b) a second component C2 comprising at least one isocyanate; c) a polyurethane catalytic system comprising a first bicyclic amine and a second bicyclic amine; and d) optionally, a particulate filler material. The present disclosure also relates to a sandwich panel comprising at least a core layer, at least a first structural panel and at least a second structural panel and to a method of manufacturing and using thereof.

BIOCIDAL POLYURETHANE SYSTEMS, METHODS FOR THEIR PREPARATION AND USES THEREOF
20230165258 · 2023-06-01 ·

The invention relates to the field of polymers, in particular to polymer systems based on polyurethane (PU) having abroad spectrum biocidal activity and the use thereof in the manufacture of biocidal products. Provided is a process to provide a biocidal polyurethane-iodin e (PU-I) complex, comprising (i) dissolving at least one iodine source into one or more raw materials used for preparing the desired polyurethane (PU) to obtain a single phase iodine system, followed by (ii) conducting a PU polymerization reaction in the presence of the single phase iodine system to generate a biocidal PU-I complex in situ.

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).