This application relates to flame-retardant coatings, and more particularly to an aminated phosphorene-based flame-retardant waterborne polyurethane coating and a preparation method thereof. The aminated phosphorene-based flame-retardant waterborne polyurethane coating is prepared from a diisocyanate-terminated prepolymer, a neutralizer and an aminated phosphorene, where the diisocyanate-terminated prepolymer is prepared from polymeric diol with water-dispersible groups, aliphatic diisocyanate and carboxylic acid type hydrophilic diol under the catalysis of a catalyst for synthesizing waterborne polyurethane.

This application relates to flame-retardant coatings, and more particularly to an aminated phosphorene-based flame-retardant waterborne polyurethane coating and a preparation method thereof. The aminated phosphorene-based flame-retardant waterborne polyurethane coating is prepared from a diisocyanate-terminated prepolymer, a neutralizer and an aminated phosphorene, where the diisocyanate-terminated prepolymer is prepared from polymeric diol with water-dispersible groups, aliphatic diisocyanate and carboxylic acid type hydrophilic diol under the catalysis of a catalyst for synthesizing waterborne polyurethane.

Polyurethanes containing at least one bisphosphonate group, as well as related compositions, articles, and methods, are disclosed.

Polyurethanes containing at least one bisphosphonate group, as well as related compositions, articles, and methods, are disclosed.

The invention relates to the use of amino terminated phosphonamides and their oligomers, as flame retardant additives for a variety of polymers to impart flame retardancy while maintaining or improving processing characteristics and other important properties.

Solvent-based adhesive compositions are disclosed herein. In some embodiments, the solvent-based adhesive compositions include (A) an isocyanate component comprising an isocyanate curing agent and (B) a hydroxyl component comprising a polyester polyol, a polyether polyol, and a phosphate ester compound. The isocyanate curing agent of the isocyanate component (A) crosslinks the components of the hydroxyl component. In some embodiments, the phosphate ester compound has the structure (I): (I) wherein R1 is any organic group. Methods for preparing solvent-based adhesive compositions are also disclosed. The methods include providing an isocyanate component (A) comprising an isocyanate curing agent, providing a hydroxyl component (B) comprising a polyol blend, comprising a polyester polyol and a polyether polyol, and a phosphate ester compound, curing the hydroxyl component (B) with the isocyanate component (A) at a mix ratio ((A):(B), by weight) of from 100:8 to 100:15, thereby forming the solvent-based adhesive composition. ##STR00001##

The invention relates to a process for preparing a flame-resistant polymer-modified polyol having a solids content of 1 to 65 wt. % wherein (i) at least one polyisocyanate and (ii) an olamine are reacted in (iii) a base polyol having at least two active hydrogen containing groups of which more than 50% are primary active hydrogen containing groups and wherein the olamine has at least one phosphonic ester group attached to a tertiary nitrogen atom and contains at least two hydroxyl groups. The invention further relates to a flame-resistant polymer-modified polyol obtainable with the process of the invention, to a process for preparing optionally foamed plastics using the polymer-modified polyol of the invention, and to the use of a polymer-modified polyol for the preparation of flexible polyurethane foams.

Solvent-based adhesive compositions are disclosed herein. In some embodiments, the solvent-based adhesive compositions include (A) an isocyanate component comprising an isocyanate curing agent and (B) a hydroxyl component comprising a polyester polyol, a polyether polyol, and a phosphate ester compound. The isocyanate curing agent of the isocyanate component (A) crosslinks the components of the hydroxyl component. In some embodiments, the phosphate ester compound has the structure (I): (I) wherein R1 is any organic group. Methods for preparing solvent-based adhesive compositions are also disclosed. The methods include providing an isocyanate component (A) comprising an isocyanate curing agent, providing a hydroxyl component (B) comprising a polyol blend, comprising a polyester polyol and a polyether polyol, and a phosphate ester compound, curing the hydroxyl component (B) with the isocyanate component (A) at a mix ratio ((A):(B), by weight) of from 100:8 to 100:15, thereby forming the solvent-based adhesive composition.

##STR00001##

The invention relates to a process for preparing a flame-resistant polymer-modified polyol having a solids content of 1 to 65 wt. % wherein (i) at least one polyisocyanate and (ii) an olamine are reacted in (iii) a base polyol having at least two active hydrogen containing groups of which more than 50% are primary active hydrogen containing groups and wherein the olamine has at least one phosphonic ester group attached to a tertiary nitrogen atom and contains at least two hydroxyl groups. The invention further relates to a flame-resistant polymer-modified polyol obtainable with the process of the invention, to a process for preparing optionally foamed plastics using the polymer- modified polyol of the invention, and to the use of a polymer-modified polyol for the preparation of flexible polyurethane foams.

The invention relates to the use of amino terminated phosphonamides and their oligomers, as flame retardant additives for a variety of polymers to impart flame retardancy while maintaining or improving processing characteristics and other important properties.