Patent classifications
C08J2375/14
AQUEOUS RESIN COMPOSITION AND METHOD FOR PRODUCING SAME
Provided is an aqueous resin composition that is capable of forming a film having excellent balance in solvent resistance, water resistance, flexibility, stretchability, and strength. An aqueous resin composition of the invention, contains: a composite resin (A); and an aqueous medium (B), in which the composite resin (A) has a polymer (A1) unit having a unit represented by Formula (1) and a polymer (A2) unit represented by Formula (3).
##STR00001##
[R.sup.1s each represent a hydrogen atom, a halogen atom, a phenyl group, or a methyl group. R.sup.2 represents a hydrogen atom or a hydrocarbon group having 1 to 5 carbon atoms. R.sup.7 represents a ml-valent hydrocarbon group having 1 to 20 carbon atoms. R.sup.8 represents one type of R.sup.10[-L.sup.1-(R.sup.11—O—).sub.n1].sub.n2—; —O(—R.sup.11—CO—O).sub.n3—; —O(—R.sup.11—O—CO—R.sup.11—CO—O).sub.n4—; —O(—R.sup.11—O—CO—O).sub.n5—; —O(—R.sup.12).sub.n6—O—; —O—R.sup.11—O—, and a group obtained by combining such groups.]
RESIN FILM, LAMINATED BODY, AND PRODUCTION METHOD FOR LAMINATED BODY
This resin film is characterized by comprising a segment represented by chemical formula 1 and a segment represented by chemical formula 2, and by satisfying condition 1. Condition 1: In an FT-IR spectrum of the resin film, a minimum value (T.sub.1) of transmittance at not lower than 3250 cm-1 but lower than 3350 cm-1 and a minimum value (T.sub.2) of transmittance at not lower than 3350 cm-1 but lower than 3450 cm-1 satisfy formula 1:
T.sub.2<T.sub.1 Formula 1:
The present invention provides: a resin film that has flexibility and high restoration properties and simultaneously exhibits heat resistance; and a laminated body having said resin film.
##STR00001##
PHOTONIC CRYSTAL FILM, METHOD FOR MANUFACTURING SAME, AND ANTI-FORGERY ARTICLE COMPRISING SAME
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.
PREPREG AND METHOD FOR MANUFACTURING MOLDED PREPREG ARTICLE
The present invention provides a prepreg that has high impact resistance despite being an all-carbon-fiber FRP (CFRP), the prepreg moreover enabling a molding time to be set to five minutes or less and making it possible to reduce molding costs. This prepreg is obtained by impregnating carbon fiber with a matrix resin comprising a mixture of a thermoplastic resin, a thermosetting resin, and a curing agent, wherein: the thermoplastic resin is a phenoxy resin; the thermosetting resin is a urethane acrylate resin; the thermoplastic resin and the thermosetting resin are compounded in a mass ratio of 15:85-35:65 (thermoplastic resin/thermosetting resin); and the curing agent causes cross-linking to occur due to a radical polymerization reaction, and is formed so as to include first and second peroxides having mutually different initiation temperatures, initiation of the second peroxide starting at a temperature at which termination of the first peroxide occurs.
RESIN COMPOSITION FOR CARBON FIBER-REINFORCED PLASTIC MOLDING, MOLDING MATERIAL, MOLDED ARTICLE, AND PRODUCTION METHOD FOR MOLDED ARTICLE
Provided is a resin composition for carbon fiber-reinforced plastic molding, which contains a radical curable resin (A) having a hydroxy group, an unsaturated monomer (B), and isophorone diisocyanate. The resin composition for carbon fiber-reinforced plastic molding shows little change in viscosity over time, is excellent in storage stability, and can be used to obtain a molded article excellent in various physical properties such as flexural strength, flexural modulus, and interlayer shear strength by various molding methods. Therefore, the molded article can be suitably used in automobile members, railway vehicle members, aerospace vehicle members, watercraft members, housing equipment members, sports members, vehicle members, construction civil engineering members, casings of office automation equipment, and the like.
ETHYLENICALLY UNSATURATED MACROMERS PRODUCED FROM A RESIDUE OF ISOCYANATE MANUFACTURING, RELATED PREFORMED STABILIZERS, POLYMER POLYOLS, FOAM-FORMING COMPOSITIONS AND FOAMS
Disclosed are ethylenically unsaturated macromers produced using a residue of an isocyanate manufacturing process. Also disclosed are preformed stabilizers produced using such macromers, polymer polyols produced using such preformed stabilizers, foam-forming compositions produced using such polymer polyols, and foam produced using such compositions.
Methods for producing three-dimensional objects with apparatus having feed channels
A method of forming a three-dimensional object (e.g. comprised of polyurethane, polyurea, or copolymer thereof) 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 comprising 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 blocked polymer scaffold and 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, with the intermediate containing the second solidifiable component; and then (d) contacting the three-dimensional intermediate to water to form the three-dimensional object.
Polymerizable composition and composite material
The present invention relates to polymerizable composition containing a cycloolefin monomer, a metathesis polymerization catalyst, a radical generator, a diisocyanate compound, and a polyfunctional (meth)acrylate compound. The composite material produced by using a polymerizable composition of the present invention has excellent mechanical strength and does not cause odor.
Optimized sizing for carbon fiber-sheet molding compound
There is provided a carbon fiber sheet molding composition including a vinyl ester resin type system. The carbon fiber distribution is random. The carbon fiber length is from about 0.5 inches to two inches. The carbon fiber loading is from about 35% to 65%, and includes epoxy sized carbon fiber and vinyl sized carbon fiber effective to achieve predetermined significant increase in desired mechanical properties.
Hybrid composition
A hybrid composition includes an isocyanate, a polyester having at least one carbon-carbon double bond and at least one hydroxyl group, castor oil present in an amount of from 5 to 30 weight percent, a catalyst, and a solvent. The hybrid composition can be formed using various methods. The method may include combining the isocyanate and the castor oil to form a first adduct, combining the polyester, the solvent, and the catalyst to form a second adduct, and combining the first adduct and the second adduct. The method may alternatively include combining the castor oil, the solvent, and the polyester to form a third adduct, combining the third adduct with the isocyanate, and combining the catalyst with the third adduct and the isocyanate. The method may alternatively include combining the catalyst and the isocyanate component to form a fourth adduct, and combining the third and fourth adducts.