Provided is a decorative film having excellent weather resistance, scratch resistance, and elongation properties, and a decorative article using the same, and a surface protective composition that can exhibit such properties. A decorative film according to one embodiment of the present disclosure includes a surface protective layer. The surface protective layer contains a polyurethane resin obtained by reacting a composition containing a polycarbonate diol, and a trimer or higher multimer of a diisocyanate including a cyclohexane structure, a diisocyanate including a cyclohexane structure or a prepolymer thereof, or a mixture thereof, and the decorative film satisfies Formulas 1 to 3 below: 0≤X.sup.1≤2.00 . . . Formula 1 X.sup.1≤−0.7×X.sup.2+4.67 . . . Formula 2 X.sup.1≥−0.7×X.sup.2+2.14 . . . Formula 3 where X.sup.1 is a numerical value obtained by multiplying the number of branches from a branch point relative to a converted molecular weight of the polyurethane resin by 1000, and X.sup.2 is a numerical value obtained by multiplying the number of cyclohexane structure portions included in the polyurethane resin relative to the converted molecular weight of the polyurethane resin by 1000.

A method for preparing rigid polyurethane (PUR) foams or rigid polyisocyanurate (PIR) foams in which method the rigid PUR or PIR foam is prepared by reacting a composition (C) comprising: at least one isocyanate-reactive component (B1) having functional groups selected from hydroxyl, amine and thiol groups; at least one isocyanate component (A1) having an average functionality of less than 2.70; and at least one blowing agent [blowing agent (BA), herein after]; with the proviso that the overall average functionality [F.sub.n,avg(A), herein after] of all isocyanate components present in the composition (C) is less than 2.70; wherein the composition (C) is characterized by an isocyanate index X, wherein the rigid PUR or PIR foams are produced by depositing the composition (C) between two gas-tight facing sheets and wherein the rigid PUR or PIR foam is characterized by a difference Δλ between the initial thermal conductivity value λ.sub.ini and the aged thermal conductivity value λ.sub.aged of said rigid PUR or PIR foam wherein: when X≤200 then Δλ<1.35; and when X>200 then Δλ<[6.49−(4.46*F.sub.n,avg(A))−(0.02348*X)+(0.492*F.sub.n,avg(A)*F.sub.n,avg(A))+(0.01343*F.sub.n,avg(A)*X)+0.3].

Disclosed are (2,2-dimethyl-1,3-dioxolan-4-yl)methyl 2-bromo-2,2-difluoroacetate, a waterborne polyurethane, and preparation methods thereof. The (2,2-dimethyl-1,3-dioxolan-4-yl)methyl 2-bromo-2,2-difluoroacetate could be used as a modified monomer for preparing a waterborne polyurethane, and substituents at a C2 position of the (2,2-dimethyl-1,3-dioxolan-4-yl)methyl 2-bromo-2,2-difluoroacetate are two fluorine atoms and one bromine atom. When it is used for preparing the waterborne polyurethane, fluorine and bromine groups are introduced into the structure of the waterborne polyurethane, and the resultant waterborne polyurethane exhibits good moisture resistance and flame retardance.

Processes for producing filled polyol compositions, such as polymer polyol compositions. The processes include reacting a polymerizable composition in the presence of a composition comprising a base polyol and an amine antioxidant, in which the amine antioxidant comprises a secondary diarylamine, a primary aromatic amide, a triazole, or a combination thereof.

Filled polyol compositions that include a dispersion of polymer particles in a base polyol, in which the filled polyol composition further includes a triazole antioxidant. Methods for producing such filled polyol compositions are also described, as well as use of such filled polyol compositions in the production of polyurethane foams.

The present invention relates to a polyurethane composition with antimicrobial properties, a polyurethane foam or coating comprising said polyurethane composition, an article prepared from said composition, foam or coating, a process for the preparation of said composition, the use of a complexing agent and an antimicrobial agent for the preparation of said composition or for imparting antimicrobial properties to a polyurethane composition, and a kit of components for preparing said composition. A cooperative effect is observed when specific complexing agents are combined with specific organic antimicrobially active components within the polyurethane composition.

A cleaning wiper blade comprises a hand grip part and an elastic part. The elastic part comprises a polyurethane. The polyurethane comprises a reactant of a composition including an isocyanate compound which includes diisocyanate and polyfunctional isocyanate, and an alcohol which includes polyfunctional alcohol. The diisocyanate has an aromatic ring in a molecule. When a molecule of the polyurethane is ionized with a mass spectrometer of a direct sample injection system, then obtained M1, M2 and M3 satisfy the is 0.013 to 0.300, and a concentration of the polyfunctional alcohol in the polyurethane is 0.12 mmol/g to 0.65 mmol/g.

Core shell microcapsules are provided wherein the capsule shell is an interfacial copolymer formed of a gelatin and an isocyanate.

Disclosed are polymer polyol compositions that include polymer particles produced from an ethylenically unsaturated compound resulting from the reaction of an amine-reactive ethylenically unsaturated compound with an amino diphenylamine, as well as to the use of such polymer polyol compositions in the production of flexible polyurethane foams. The polyurethane foam includes the reaction product of a reaction mixture that includes a polyisocyanate component and a polyol composition that includes the polymer polyol.

A reaction system for preparing polymer polyol and a method for preparing polymer polyol. The reaction system comprises a reactor, a first circulation unit, a second circulation unit, and a flow direction switching unit, wherein the reaction cavity of the reactor is divided into a first reaction chamber and a second reaction chamber by a partition plate, and the top of the partition plate is provided with an overflow port to communicate the first reaction chamber and the second reaction chamber with each other; the first circulation unit enables the material in the first reaction chamber to circulate between the discharge port of the first reaction chamber and the feed port of the first reaction chamber; the second circulation unit enables the material in the second reaction chamber to circulate between the discharge port of the second reaction chamber and the feed port of the second reaction chamber. The polymer polyol prepared by the reaction system has a low-viscosity effect, and by using the polymer polyol prepared by the method, a polyurethane foam having excellent mechanical properties and high hardness can be obtained.