A polymer composition may include a polymer produced from ethylene, one or more branched vinyl ester monomers, optionally vinyl acetate (VA), and a thermoplastic polyurethane (TPU). A method of preparing a polymer composition may include blending a thermoplastic polyurethane (TPU) and an ethylene based polymer produced from ethylene, one or more branched vinyl ester monomers, and optionally vinyl acetate (VA); and to form a blended mixture; and extruding the blended mixture to form the polymer composition

The present invention provides a prepreg including a radical polymerizable resin composition, containing at least a radical polymerizable resin and a polymerization initiator, and a fiber substrate. The prepreg is characterized in that both surfaces of the prepreg are coated with a film having an oxygen permeability of 200 (ml/m.sup.2.Math.24 h.Math.atm) or less. The prepreg can suppress the delay of the proceeding of curing reaction after storage at room temperature, can allow curing reaction to properly proceed during heating of the prepreg, can suppress the occurrence of a molding defect, and can produce a molded product having excellent workability, and thus can be preferably used for an automobile member, a rail vehicle member, an aerospace plane member, a civil engineering and construction member, a casing of an OA device, and the like, and can be particularly preferably used for an automobile member, a housing equipment member, a sport member, etc.

The present disclosure is directed to articles that include a cured coating that includes a matrix of crosslinked polymers and optionally a colorant (e.g., pigment particles or dye or both). The cured coating can include a matrix of crosslinked polymers. The cured coating is a product of crosslinking a coating composition comprising uncrosslinked polymers (e.g., a dispersion of uncrosslinked polymers in a carrier to form the matrix of crosslinked polymers), wherein the uncrosslinked polymers are crosslinked to form the matrix of crosslinked polymers. The matrix of crosslinked polymers can be elastomeric. The present disclosure is also directed to articles including these bladders, methods of forming these bladders, and methods of making articles including these bladders, where the bladders include the cured coating.

A method for preparing polyisocyanurate and polyurethane foams by the use of a liquid siloxane nucleating additive, and a foam-forming composition for preparing foams with improved thermal insulation performance, comprising an isocyanate component, an isocyanate-reactive component, a blowing agent, and a liquid siloxane nucleating additive.

A colored resin sheet includes a resin and a colorant dispersed in the resin, and has an average value of visible light transmittances for a red range of a wavelength of 680 to 780 nm, of 50% or more. The colored resin sheet has a combination of a lightness L* value and an average value of light transmittances for an entire visible light range of a wavelength of 380 to 780 nm, respectively, of: a) 15 or less, and 15% or more; b) greater than 15 and less than or equal to 35, and 25% or more; or c) greater than 35 and less than or equal to 60, and 40% or more. A leather-like sheet includes a colored resin layer and a surface having a lightness L* value of 40 or less, and has an average value of visible light transmittances for the red range, of 5% or more.

A thermoplastic polyurethane resin suitable for a laminating process and a method for producing the same are provided. The thermoplastic polyurethane resin is formed of an isocyanate component, a polyol component, a chain extender component, and a chain terminator component that is a monohydric alcohol via a polymerization reaction. The polyol component includes a first polyol having a number average molecular weight between 600 and 2,000 g/mol and a second polyol having a number average molecular weight between 1,500 and 3,000 g/mol. The chain extender component includes a first chain extender and a second chain extender. The first chain extender is a dihydric alcohol having a carbon chain length of C2-6, and a molecular structure thereof is linear and symmetrical. The second chain extender is a dihydric alcohol having a carbon chain length of C3-10, and a molecular structure thereof has a side chain and/or an ether group.

Shape memory polymers allow the fabrication of objects that have a permanent (first) shape, and which can be programmed to adopt a temporary (second) shape, and are able to largely recover their original (first) shape by applying an appropriate stimulus. Materials that permit the fabrication of objects and devices that can (i) be provided in their permanent shape, (ii) be heated to a switching temperature above physiological temperature, at which the material becomes shapeable, (iii) be inserted into the body or placed in contact with the body and be deformed or shaped”to assume a desired temporary shape, (iv) be fixed in the desired temporary shape by keeping the material/device/object at body temperature (about 37° C.) for a convenient period of time, (v) largely retain this temporary shape if removed from the body, and (vi) return largely to their original shape when heated again above the switching temperature. A process for making such materials and disclosed products based on such materials are disclosed.

An isocyanate-reactive composition comprising (i) at least one isocyanate-reactive compound; and (ii) at least one T-shaped siloxane material at a predetermined amount; and a foam-forming composition for producing a polyurethane or polyisocyanurate foam comprising at least one isocyanate component and at least one isocyanate-reactive component; wherein the at least one isocyanate-reactive component is the above isocyanate-reactive composition.

A reactive composition for making a PIR comprising foam at an isocyanate index of at least 120, said composition comprising at least an isocyanate composition comprising one or more isocyanate compounds, an isocyanate-reactive composition comprising one or more isocyanate-reactive compounds, at least one PIR promoting catalyst, at least one physical blowing agent with a lambda gas ≤12 mW/m.Math.K at 10° C., at least one CO.sub.2 scavenging compound selected from at least one epoxy compound, and optionally a catalyst promoting epoxy reaction with CO.sub.2 characterized in that the amount of isocyanate-reactive compounds in the reactive composition is at least 10 wt % calculated on the total weight of the reactive composition, or at least more than the amount of epoxy compounds and the molar amount of epoxy compounds in the reactive composition is at least 7.8 times higher than the molar amount of CO.sub.2 formed by the water present in the reactive composition after reaction with isocyanates.

An imaging system includes a pixel array configured to generate image charge voltage signals in response to incident light received from an external scene. An infrared illumination source is deactivated during the capture of a first image of the external scene and activated during the capture of a second image of the external scene. An array of sample and hold circuits is coupled to the pixel array. Each sample and hold circuit is coupled to a respective pixel of the pixel array and includes first and second capacitors to store first and second image charge voltage signals of the captured first and second images, respectively. A column voltage domain differential amplifier is coupled to the first and second capacitors to determine a difference between the first and second image charge voltage signals to identify an object in a foreground of the external scene.