C08G18/2875

Coating Compositions Containing Polythioethers and Elastic Barrier Coatings Formed Therefrom

A coating composition that includes: (a) core-shell particles having a polymeric core at least partially encapsulated by a polymeric shell; (b) a polythioether having thioether linkages and mercapto functional groups; and (c) an adhesion promoter having at least one polymer that is different from (a) and (b). The polymeric shell of (a) includes: (i) a barrier segment including aromatic groups; and urethane linkages, urea linkages, or a combination thereof; and (ii) an elastomeric segment that is different from (i), in which the polymeric shell is covalently bonded to at least a portion of the polymeric core.

Coating Compositions Containing Polythioethers and Elastic Barrier Coatings Formed Therefrom

A coating composition that includes: (a) core-shell particles having a polymeric core at least partially encapsulated by a polymeric shell; (b) a polythioether having thioether linkages and mercapto functional groups; and (c) an adhesion promoter having at least one polymer that is different from (a) and (b). The polymeric shell of (a) includes: (i) a barrier segment including aromatic groups; and urethane linkages, urea linkages, or a combination thereof; and (ii) an elastomeric segment that is different from (i), in which the polymeric shell is covalently bonded to at least a portion of the polymeric core.

ALKYLENE OXIDE POLYMER ENDCAPPED WITH AN ARYL ETHER ALKOXYLATE BLOCK COPOLYMER
20200262975 · 2020-08-20 ·

The present invention relates to a compound comprising a hydrophobically modified poly(oxyalkylene-urethane) having a hydrophobic fragment represented by Structure I:

##STR00001##

where Ar.sup.1, Ar.sup.2; R.sup.1, m, and n are defined herein. The compound of the present invention provides viscosity stability upon tinting for paints containing a hydrophobically modified poly(oxyalkylene-urethane) rheology modifier, more particularly a HEUR rheology modifier.

ALKYLENE OXIDE POLYMER ENDCAPPED WITH AN ARYL ETHER ALKOXYLATE BLOCK COPOLYMER
20200262975 · 2020-08-20 ·

The present invention relates to a compound comprising a hydrophobically modified poly(oxyalkylene-urethane) having a hydrophobic fragment represented by Structure I:

##STR00001##

where Ar.sup.1, Ar.sup.2; R.sup.1, m, and n are defined herein. The compound of the present invention provides viscosity stability upon tinting for paints containing a hydrophobically modified poly(oxyalkylene-urethane) rheology modifier, more particularly a HEUR rheology modifier.

CURABLE COMPOSITIONS, PRODUCTS AND ARTICLES FORMED THEREFROM, AND METHODS OF FORMING THE SAME
20200255585 · 2020-08-13 ·

A curable composition, a method of making the curable composition, and an article and product produced therefrom are provided. A morpholinedione is contacted with an isocyanate to form a resin composition. The resin composition is reacted with an amine to form the curable composition.

POLYURETHANE ADHESIVE LAYERS FOR ELECTRO-OPTIC ASSEMBLIES
20200248054 · 2020-08-06 ·

Electro-optic assemblies and related materials (e.g., adhesive) for use therein are generally provided. The electro-optic assembly comprises a hybrid adhesive layer comprising two or more adhesive materials including a polyurethane adhesive material and a polyacrylate adhesive material. The polyurethane adhesive material includes an end-capping cyclic carbonate. In some embodiments, the adhesive layer is formed by curing the two adhesive materials under two different sets of conditions, comprising two or more curing steps.

POLYURETHANE ADHESIVE LAYERS FOR ELECTRO-OPTIC ASSEMBLIES
20200248054 · 2020-08-06 ·

Electro-optic assemblies and related materials (e.g., adhesive) for use therein are generally provided. The electro-optic assembly comprises a hybrid adhesive layer comprising two or more adhesive materials including a polyurethane adhesive material and a polyacrylate adhesive material. The polyurethane adhesive material includes an end-capping cyclic carbonate. In some embodiments, the adhesive layer is formed by curing the two adhesive materials under two different sets of conditions, comprising two or more curing steps.

Squarate compositions

A cross-linker composition, a resin composition, a curable composition, a method of making thereof, and articles produced therefrom are provided. The cross-linker composition can be formed from by contacting a diethanolamine with a dialkylsquarate to form the cross-linker composition. The resin composition can be formed by contacting the cross-linker composition with an isocyanate. The curable composition can be formed by contacting the resin composition with an amine.

Polyurethane adhesive layers for electro-optic assemblies

Electro-optic assemblies and related materials (e.g., adhesive) tier use therein are generally provided. The adhesive layer may comprise an end-capped polyurethane. Some adhesive layers comprise two or more reactive functional groups (e.g., reactive functional groups configured to react with one or more curing species such that, for example, at least one of the two or more functional groups forms a crosslink). The adhesive may also comprise a chain-extending reagent that includes one or more reactive functional groups. In some embodiments, the adhesive is cured by reacting one or more reactive functional groups with one or more curing species. Curing the adhesive may comprise two or more curing steps. In some embodiments the adhesive layer may comprise one or more cross-linkers.

Polyurethane adhesive layers for electro-optic assemblies

Electro-optic assemblies and related materials (e.g., adhesive) tier use therein are generally provided. The adhesive layer may comprise an end-capped polyurethane. Some adhesive layers comprise two or more reactive functional groups (e.g., reactive functional groups configured to react with one or more curing species such that, for example, at least one of the two or more functional groups forms a crosslink). The adhesive may also comprise a chain-extending reagent that includes one or more reactive functional groups. In some embodiments, the adhesive is cured by reacting one or more reactive functional groups with one or more curing species. Curing the adhesive may comprise two or more curing steps. In some embodiments the adhesive layer may comprise one or more cross-linkers.