A method of forming a three-dimensional object, wherein said three-dimensional object is an insert for use between a helmet and a human body, is described. The method may use a polymerizable liquid, or resin, useful for the production by additive manufacturing of a three-dimensional object, comprising a mixture of (i) a light polymerizable liquid first component, and (ii) a second solidifiable component that is different from said first component.

A method of forming a three-dimensional object is carried out by: (a) providing a carrier and an optically transparent member having a build surface, the carrier and the build surface defining a build region therebetween; (b) filling the build region with a polymerizable liquid, the polymerizable liquid including a mixture of (i) a light polymerizable liquid first component, and (ii) a second solidifiable component that is different from the first component; (c) irradiating the build region with light through the optically transparent member to form a solid polymer scaffold from the first component and also advancing the carrier away from the build surface to form a three-dimensional intermediate having the same shape as, or a shape to be imparted to, the three-dimensional object, and containing the second solidifiable component carried in the scaffold in unsolidified and/or uncured form; and (d) concurrently with or subsequent to the irradiating step, solidifying and/or curing the second solidifiable component in the three-dimensional intermediate to form the three-dimensional object.

A photonic crystal film, a method for manufacturing the photonic crystal film, and an anti-forgery article comprising the photonic crystal film are disclosed. The photonic crystal film includes a polyurethane-based polymer matrix and colloidal particles dispersed in the polyurethane-based polymer matrix and arranged in a crystal lattice structure. The colloidal particles includes one or more selected from metal nanoparticles, metal oxide nanoparticles, organic nanoparticles, and carbon structure nanoparticles.

Provided is a prepreg containing a urethane (meth)acrylate (A), an ethylenically unsaturated monomer (B), a polymerization initiator (C), and reinforcement fibers (D), characterized in that the urethane (meth)acrylate (A) is a reaction product of a polyisocyanate (a1) and a polyol (a2) having an ethylenically unsaturated group and an aromatic skeleton, and/or a reaction product of a polyisocyanate (a1), a polyol (a3) not having an ethylenically unsaturated group but having an aromatic skeleton, and a hydroxyalkyl (meth)acrylate (a4), and that the ethylenically unsaturated monomer (B) has a molecular weight of 320 or more and a weight reduction rate (%) of less than 2 when heated under atmospheric pressure at 150° C. for 3 minutes. The prepreg has excellent moldability and enables to produce a molded article having excellent physical properties such as flexural strength and interlaminar shear strength, and therefore the prepreg can be suitably used in automobile components and the like.

The present invention relates to a method of manufacturing a quantum-dot film having encapsulated quantum dots dispersed therein, in which quantum dots are uniformly dispersed in a matrix resin to thus increase quantum yield and in which deterioration of the quantum dots can be prevented through encapsulation, a quantum-dot film manufactured thereby, and a wavelength conversion sheet and a display including the same.

A display film includes a transparent polymeric substrate layer and a transparent energy dissipation layer disposed on the transparent polymeric substrate layer. The transparent energy dissipation layer includes cross-linked polyurethane and a polyacrylate polymer. The transparent energy dissipation layer has a glass transition temperature of 27 degrees Celsius or less and a Tan Delta peak value of 0.5 or greater.

Providing a laminate having an excellent adhesiveness between a base layer and a surface layer while having a good flexibility. In order to solve the aforementioned problems, the laminate of the present disclosure comprises at least a base layer, an intermediate layer and a surface layer, wherein a base layer composition contains an urethane resin, an intermediate layer composition contains an energy ray curable resin having (meth)acryloyl group in a molecule thereof, and, a non-UV curable resin having only isocyanate group as reactive functional group, and a surface layer composition contains a UV curable resin having the (meth)acryloyl group in the molecule.

The invention relates to an aqueous dispersion containing a mixture of linear fluorinated and non-fluorinated polyurethane acrylates, obtainable by: a) reacting polyisocyanate A′, multi-unsaturated OH-functional compound B′, acid-functional polyol C′ under urethane formation reaction conditions in the presence of intermediate X, wherein intermediate X is an OH-functional (per)fluoropolyether (PFPE) derivative, and b) adding neutralizer D to the reaction product of step a) and dispersing it in water. The dispersion can be used in preparation of a coating with easy-clean, anti-stain and anti-scratch properties, which can advantageously be used for coating substrates in consumer electronics or automotive applications.

Embodiments of the present disclosure provide for methods of detecting, sensors (e.g., chromogenic sensor), kits, compositions, and the like that related to or use tunable macroporous polymer. In an aspect, tunable macroporous materials as described herein can be used to determine the presence of a certain type(s) and quantity of liquid in a liquid mixture.

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.