C08G18/4615

Solvent-based compositions

Embodiments of the present disclosure are directed towards solvent-based compositions that include a reaction product formed by reacting a polyol and an aminopolycarboxylic compound.

COMPOSITION AND PROCESS FOR PRODUCING SILYLATED POLYMERS AND USE THEREOF
20220259365 · 2022-08-18 · ·

The invention relates to a composition comprising and to a process for preparing moisture-crosslinking polymers under catalysis by a metal-siloxane-silanol(ate) compound, and to the use of the composition in the CASE sector (coatings, adhesives, sealants and elastomers), especially in the field of adhesives and sealants.

METAL POLYOLS FOR USE IN A POLYURETHANE POLYMER

The present disclosure provides for a metal chelated polyol liquid and/or a metal chelated polyether polyol liquid that can be used in an isocyanate-reactive composition and a reaction mixture for forming a polyurethane polymer. The metal chelated polyester polyol liquid is a reaction product of a chelating polyester polyol having a chelating moiety and a metal compound having a metal ion. The metal chelated polyether polyol liquid is a reaction product of a chelating polyether polyol having a chelating moiety and a metal compound having a metal ion. The chelating moiety of the chelating polyester polyol or the chelating polyether polyol chelates the metal ion to form the metal chelated polyester polyol liquid or the metal chelated polyether polyol liquid, respectively, having a mole ratio of the metal ion to the chelating moiety of 0.05:1 to 2:1.

SOLVENTLESS COMPOSITIONS

Embodiments of the present disclosure are directed towards solventless compositions that include a reaction product formed by reacting a polyol and an aminopolycarboxylic compound.

SOLVENT-BASED COMPOSITIONS

Embodiments of the present disclosure are directed towards solvent-based compositions that include a reaction product formed by reacting a polyol and an aminopolycarboxylic compound.

METAL-SILOXANE-SILANOL(ATE) COMPOUND AS GEL CATALYST
20220235169 · 2022-07-28 · ·

The invention relates to the use of at least one metal-siloxane-silanol(ate) compound for selective catalysis of the gel reaction in a system for the production of polyurethanes, preferably of unfoamed polyurethanes, flexible foams or rigid foams and/or in the two-component (2K) system according to the invention, and to processes for producing foamed or unfoamed polyurethanes, especially flexible foams or rigid foams, and to use in the CASE sector (coatings, adhesives, sealants and elastomers), furniture, mattresses, car seats, seal materials or acoustic materials, for insulation of district heating pipes, tanks and pipelines, and for production of all kinds of refrigeration units. In a further aspect, the invention relates to unfoamed polyurethanes, flexible foams and/or rigid foams each produced through the inventive use of at least one metal-siloxane-silanol(ate) compound for selective catalysis of the gel reaction.

METHOD FOR FORMING A MULTILAYER COATING FILM AND A MULTILAYER COATING FILM

A method for forming a multilayer coating film, sequentially conducting step (1) of applying an aqueous 2-package type first colored paint on both a metal member and a plastic member of an automobile outer panel to form an uncured first colored coating film; step (2) of applying an aqueous 1-package type white paint on the uncured first colored coating film by step (1) to form an uncured white coating film; step (3) of applying an aqueous 1-package type interference color paint on the uncured white coating film by step (2) to form an uncured interference color coating film; step (4) of applying a solvent-based 2-package type clear paint on the uncured interference color coating film by step (3) to form an uncured clear coating film; and step (5) of heating these coating films by steps (1) to (4) at 75 to 100° C. to simultaneously cure them.

DURABLE, ELECTRICALLY CONDUCTIVE POLYURETHANE COMPOSITIONS AND METHODS OF APPLYING SAME

A polyurethane composition suitable for coating a surface of a substrate. The polyurethane composition can include an aliphatic polyester urethane matrix and a fluorinated ionic antistatic additive. The aliphatic polyester urethane matrix can comprise an aliphatic diisocyanate, a polyester polyol having a polyester diol and a polyester triol, and sulfonated polyester urethane polyol.

POLYESTER POLYOL AND POLYURETHANE

Provided is a polyester polyol that can be used for forming a polyurethane excelling in durability and solvent resistance.

A polyester polyol of the present invention is represented by Formula (1) and has a molecular weight distribution of less than 1.2: In Formula (1), R.sup.1 and R.sup.2 represent, identically or differently a divalent hydrocarbon group, and n is an integer. R.sup.3 to R.sup.7 represent, identically or differently a hydrogen atom, a monovalent hydrocarbon group, or a group represented by Formula (2): In Formula (2), m and s represent, identically or differently an integer of 1 or greater. 2m occurrences of R.sup.8 represent, identically or differently a hydrogen atom, an alkyl group, or an alkoxy group. Note that at least two of the groups represented by R.sup.3 to R.sup.7 are represented by Formula (2):

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DIMENSIONALLY STABLE CLOSED-CELL AND RIGID FOAMS PRODUCED WITH METHYLAL BLOWING AGENT
20220064358 · 2022-03-03 ·

A method of producing a closed-cell and rigid foam. The method comprises reacting an isocyanate composition including one or more polyisocyanates and a polyol composition including one or more polyols including one or more aromatic polyester polyols having a hydroxyl functionality of greater than 2 and one or more physical and/or chemical blowing agents including methylal to form a closed-cell and rigid foam configured to retain at least 85% of an initial volume of the closed-cell and rigid foam when exposed to about 97% relative humidity at about 70° C. for at least seven or more days.