A coating composition that includes: (a) core-shell particles having a polymeric core at least partially encapsulated by a polymeric shell; (b) an ethylenically unsaturated rubber polymer; and (c) an adhesion promoter including at least one polymer that is different from (a) and (b). The polymeric shell of (a) includes: (i) a barrier segment having 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. Further, the ethylenically unsaturated rubber polymer is: (i) a polymeric particle dispersed in an aqueous medium that is different from (a); or (ii) covalently bonded to the shell of the core-shell particles of (a) and forms at least a portion of the polymeric core.

A coating composition that includes: (a) core-shell particles having a polymeric core at least partially encapsulated by a polymeric shell; (b) an ethylenically unsaturated rubber polymer; and (c) an adhesion promoter including at least one polymer that is different from (a) and (b). The polymeric shell of (a) includes: (i) a barrier segment having 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. Further, the ethylenically unsaturated rubber polymer is: (i) a polymeric particle dispersed in an aqueous medium that is different from (a); or (ii) covalently bonded to the shell of the core-shell particles of (a) and forms at least a portion of the polymeric core.

The present disclosure is to provide a photopolymer composition including a polymer matrix or a precursor thereof including a reaction product of a reactive isocyanate compound having a hydrogen bonding functional group capable of forming multiple hydrogen bonds and at least one isocyanate group, and a polyol having at least two hydroxyl groups; a photoreactive monomer; and a photoinitiator, a hologram recording medium produced from the photopolymer composition, an optical element including the photopolymer composition and a holographic recording method using the photopolymer composition.

A photocurable composition is provided. The photocurable composition includes: a urethane acrylamide oligomer derived from a first urethane prepolymer having an isocyanate end group and a polar group-containing acrylamide; a urethane acrylate oligomer derived from a second urethane prepolymer having an isocyanate end group and a polar group-containing (meth)acrylate; and an amide group-containing acrylic polymer derived from acrylamide and a polar group-containing (meth)acrylate.

A photocurable composition is provided. The photocurable composition includes: a urethane acrylamide oligomer derived from a first urethane prepolymer having an isocyanate end group and a polar group-containing acrylamide; a urethane acrylate oligomer derived from a second urethane prepolymer having an isocyanate end group and a polar group-containing (meth)acrylate; and an amide group-containing acrylic polymer derived from acrylamide and a polar group-containing (meth)acrylate.

A coating composition that includes: (a) core-shell particles having a polymeric core at least partially encapsulated by a polymeric shell; (b) an ethylenically unsaturated rubber polymer; and (c) an adhesion promoter including at least one polymer that is different from (a) and (b). The polymeric shell of (a) includes: (i) a barrier segment having 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. Further, the ethylenically unsaturated rubber polymer is: (i) a polymeric particle dispersed in an aqueous medium that is different from (a); or (ii) covalently bonded to the shell of the core-shell particles of (a) and forms at least a portion of the polymeric core.

A coating composition that includes: (a) core-shell particles having a polymeric core at least partially encapsulated by a polymeric shell; (b) an ethylenically unsaturated rubber polymer; and (c) an adhesion promoter including at least one polymer that is different from (a) and (b). The polymeric shell of (a) includes: (i) a barrier segment having 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. Further, the ethylenically unsaturated rubber polymer is: (i) a polymeric particle dispersed in an aqueous medium that is different from (a); or (ii) covalently bonded to the shell of the core-shell particles of (a) and forms at least a portion of the polymeric core.

The invention relates to medical aids, in particular compression products, such as compression stockings or bandages. More specifically, the invention relates to compression products comprising fibre forming polyurethane polymers showing a delayed continuous relaxation behaviour. The invention furthermore relates to polyurethane polymers containing N-diol and corresponding quaternised polyurethane polymers, to a process of producing the polyurethane polymers, to blends with elastane, as well as to uses.

The invention relates to medical aids, in particular compression products, such as compression stockings or bandages. More specifically, the invention relates to compression products comprising fibre forming polyurethane polymers showing a delayed continuous relaxation behaviour. The invention furthermore relates to polyurethane polymers containing N-diol and corresponding quaternised polyurethane polymers, to a process of producing the polyurethane polymers, to blends with elastane, as well as to uses.

A composition is composed of (A) an ethylene/alpha-olefin/diene TEMPO compound having the Structure (I) and (D) a peroxide. The molar ratio of isocyanate groups of Component (B) to the functional groups of Component (C) is from 0.80 to 1.10. A composition is composed of (A) an ethylene/alpha-olefin/diene interpolymer; a second composition comprising a reaction mixture comprising (B) an isocyanate comprising at least two isocyanate groups and (C) a TEMPO compound having the Structure (I) and (D) a peroxide, wherein the molar ratio of isocyanate groups of Component (B) to the functional groups of Component (C) is from 0.80 to 1.10. In Structure I, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each independently selected from H and C.sub.1-C.sub.6 alkyl groups and X is a functional group selected from OH and NH.sub.2.

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