Patent classifications
C08K2003/3081
Method for preparing accelerator for sprayed mortar/concrete
A method for preparing an accelerator for sprayed mortar/concrete is provided. The accelerator includes an organic component, inorganic component aluminum sulfate, an initiator, and a reductant. The organic component in the form of a polymer monomer is added to concrete and polymerized into a polymer network structure in the presence of the initiator and the reductant; and the inorganic component aluminum sulfate promotes rapid hydration of the concrete to form an inorganic network structure. Such organic-inorganic interpenetrating network thickens a cement-based material rapidly to achieve strong adhesion, fast-setting and hardening properties and effectively reduces resilience of the sprayed mortar/concrete. The accelerator prepared by the method is well compatible with all sorts of cement, efficient and environmentally friendly. The organic-inorganic interpenetrating network is formed by polymerization and cement hydration, and therefore, the toughness of the sprayed mortar/concrete is improved by the organic polymer-inorganic compound accelerator.
WATER TREATMENT METHOD AND COMPOSITION
A water treatment method including a removal step of removing a polymer (I) containing a polymerization unit (I) based on a monomer represented by the following general formula (I) from water containing the polymer (I):
CX.sup.1X.sup.3═CX.sup.2R(—CZ.sup.1Z.sup.2-A.sup.0).sub.m (I)
wherein X.sup.1 and X.sup.3 are each independently F, Cl, H, or CF.sub.3; X.sup.2 is H, F, an alkyl group, or a fluorine-containing alkyl group; A.sup.0 is an anionic group; R is a linking group; Z.sup.1 and Z.sup.2 are each independently H, F, an alkyl group, or a fluorine-containing alkyl group; and m is an integer of 1 or more. Further, the number average molecular weight of the polymer (I) to 0.3×10.sup.4 or more. Also disclosed is a composition including the polymer (I) containing the polymerization unit (I) based on a monomer represented by general formula (I), and where the composition has a content of the polymer (I) of 250 ppm or less.
Resin composition and flame-resistant structure and battery package including the same
A resin composition, a flame-resistant structure and a battery package are provided. The resin composition includes a resin, a crystalline hydrate, and urea, wherein the weight ratio of crystalline hydrate to resin to urea is 6:1.5-5:1.2-3. The flame-resistant structure includes a body. The body includes a cured resin composition. The resin composition includes a resin, a crystalline hydrate, and urea, wherein the weight ratio of crystalline hydrate to resin to urea is 6:1.5-5:1.2-3. The battery package includes a battery and the flame-resistant structure.
Carboxylic acid modified nitrile based copolymer latex, method for preparing the copolymer latex, latex composition for dip-forming comprising the copolymer latex and article formed by the composition
Provided is a carboxylic acid-modified nitrile-based copolymer latex, and more particularly, provided are a carboxylic acid-modified nitrile-based copolymer latex which includes a carboxylic acid-modified nitrile-based copolymer including a monomer-derived repeating unit; and a repeating unit derived from a monomer represented by Chemical Formula 1 below, the monomer-derived repeating unit including a conjugated diene-based monomer-derived repeating unit, an ethylenically unsaturated nitrile-based monomer-derived repeating unit, and an ethylenically unsaturated acid monomer-derived repeating unit (see description of the present invention), a method for preparing a carboxylic acid-modified nitrile-based copolymer latex, a latex composition for dip-forming including the copolymer latex, and an article formed by the composition.
BINDER SYSTEM
An environmentally friendly, aqueous binder composition that includes a metal salt and a polyol is provided. The metal salt may be a water soluble salt, including salts of boron, aluminum, gallium, indium, tin, zirconium, thallium, lead, and bismuth. The polyol may include water miscible or water soluble polymeric alcohols including polyvinyl alcohol. The binder composition may be used in the formation of insulation materials and non-woven mats, among other products.
Liquid applied roofing formulations and methods of using the same to coat at least one steep slope roof substrate
Some embodiments of the present disclosure relate to a method comprising: obtaining a base formulation, obtaining an activator formulation, mixing the base formulation with the activator formulation, so as to result in a liquid applied roofing formulation, applying the liquid applied roofing formulation to at least one steep slope roof substrate, and solidifying the formulation, so as to form at least one coating layer on the at least one steep slope roof substrate. Some embodiments of the present disclosure relate to a liquid applied roofing formulation comprising a first part and a second part. In some embodiments, the first part comprises the base formulation and the second part comprises the activator formulation.
Adhesive tape for encapsulating electronic constructions
The aim is to provide an adhesive tape that effectively protects an electronic construction from permeants, especially water, and that at the same time has good gap-filling qualities. To solve this problem an adhesive tape is proposed that has in the following order:—a carrier layer without barrier effect at least towards water and with a WVTR of at least 1 g/(m.sup.2*d) (38° C., 90% relative humidity, 50 μm layer thickness); —a layer comprising at least one getter material capable of sorbing at least water; —a water barrier ply; and—a layer of pressure-sensitive adhesive, where the carrier layer bears an outward-facing release layer and/or the layer of pressure-sensitive adhesive is lined with a release liner which has a release layer lying on the layer of pressure-sensitive adhesive.
Thermoplastic resin powder and method for producing same
The objective of the present invention is to provide a thermoplastic resin powder that suppresses a decrease in fluidity of a composition during melt molding and that has a suppressed alteration of the resin resulting from retention. The thermoplastic resin powder is obtained by coagulating a polymer from a latex produced by means of emulsion polymerization of a monomer, the content of metal-corroding free acids in the thermoplastic resin powder is no greater than 500 ppm, and the thermoplastic resin powder satisfies a predetermined formula (1).
PRESSURE SENSITIVE ADHESIVE PARTICLE, CARTRIDGE, APPARATUS FOR PRODUCING PRINTED MATERIAL, METHOD FOR PRODUCING PRINTED MATERIAL, PRINTED MATERIAL, SHEET FOR PRODUCING PRINTED MATERIAL, AND METHOD FOR PRODUCING SHEET FOR PRODUCING PRINTED MATERIAL
A pressure sensitive adhesive particle includes a styrene resin that contains, as polymerization components, styrene and a vinyl monomer other than styrene; and a (meth)acrylate resin that contains, as polymerization components, at least two (meth)acrylates that account for 90 mass % or more of all polymerization components of the (meth)acrylate resin, in which the pressure sensitive adhesive particle has a sea phase that contains the styrene resin, and island phases that are dispersed in the sea phase and contain the (meth)acrylate resin, the pressure sensitive adhesive particle has at least two glass transition temperatures, and a difference between the lowest glass transition temperature and the highest glass transition temperature is 30° C. or more, and in a cross section of the pressure sensitive adhesive particle, an area ratio of the island phases is 30% or more and 85% or less.
PRESSURE SENSITIVE ADHESIVE PARTICLE, CARTRIDGE, APPARATUS FOR PRODUCING PRINTED MATERIAL, METHOD FOR PRODUCING PRINTED MATERIAL, PRINTED MATERIAL, SHEET FOR PRODUCING PRINTED MATERIAL, AND METHOD FOR PRODUCING SHEET FOR PRODUCING PRINTED MATERIAL
A pressure sensitive adhesive particle includes a styrene resin that contains, as polymerization components, styrene and a vinyl monomer other than styrene; and a (meth)acrylate resin that contains, as polymerization components, at least two (meth)acrylates that account for 90 mass % or more of all polymerization components of the (meth)acrylate resin, in which the pressure sensitive adhesive particle has a sea phase that contains the styrene resin, and island phases that are dispersed in the sea phase and contain the (meth)acrylate resin, the pressure sensitive adhesive particle has at least two glass transition temperatures, and a difference between the lowest glass transition temperature and the highest glass transition temperature is 30° C. or more, and in a cross section of the pressure sensitive adhesive particle, an area ratio of the island phases is 30% or more and 85% or less.