63results about How to "Excellent bonding durability" patented technology

Disclosed is an adhesive sheet wherein at least a polyester base film (A), a crosslinked silicone rubber adhesive layer (B) having a polydimethylsiloxane skeleton, a releasing layer (C) and a polyester film (D) are laminated in this order through or not through another layer. This adhesive sheet is characterized in that when the hot water adhesion resistance is evaluated by the method defined in the description, the silicone rubber adhesive layer (B) is not separated from the polyester base film (A), and the peel strength between the silicone rubber adhesive layer (B) and the releasing layer (C) is within the range of 0.03-1.0 N / 20 mm.

An electrode wire material that can be used in a solar cell is produced without using flattening rolls or endless belts and has excellent solderability. The electrode wire material includes a core material formed of a strip-like conductive material and a hot-dip solder plated layer formed on a surface of the core material. A recessed portion for storing molten solder is formed in the core material along the longitudinal direction and the hot-dip solder plated layer is filled in the recessed portion. The recessed portion for storing molten solder preferably has an opening width in the lateral direction of the core material of about 90% or more of the width of the core material. The core material is preferably formed of a clad material including an interlayer of a low thermal expansion Fe alloy and copper layers formed on both surfaces of the interlayer.

Provided is a curable resin composition exhibiting high adhesion durability. The curable resin composition contains: a (meth)acrylate oligomer (A) selected from the group consisting of urethane-based (meth)acrylate oligomers, polyester-based (meth)acrylate oligomers, polyether-based (meth)acrylate oligomers, epoxy-based (meth)acrylate oligomers, diene polymer-based (meth)acrylate oligomers, and oligomers having a backbone of the hydrogenated product of a diene polymer-based (meth)acrylate; a (meth)acrylate (B) exhibiting a homopolymer glass transition temperature of -100 DEG C to 60 DEG C; one or more compounds (C) having one mercapto group per molecule, the compound(s) being selected from the group consisting of alkanethiols and carboxythiols; and a photopolymerization initiator (D).

The invention provides a silicon dioxide aerogel mortar and a preparation method thereof, belongs to the technical field of mortar preparation, and mainly relates to mortar and a preparation method thereof, which aim at solving the problem of failure to meet current actual requirements of mortar property in the prior art. The silicon dioxide aerogel mortar is prepared from the following components in parts by weight: 100 parts of cement, 300 parts of sand, 0.08 to 0.5 part of defoaming agent, 10 to 20 parts of silicon dioxide aerogel microsphere, 25 to 40 parts of ethyl acrylate emulsion, 0.02 to 0.1 part of polymer powder, and 5 to 7 parts of water. The silicon dioxide aerogel mortar has the advantages that the sticking property of whole cement mortar is improved, the tension strength, rapture strength and sticking durability are greatly improved, the dry shrinkage is decreased, the cracking is reduced, and the anti-freezing property and anti-seepage property are improved.

The present invention provides a composition suitable for a dental composition. The present invention is a composition containing: a polymerizable monomer (A) having an unconjugated carbon chain with at least four carbon atoms bonded continuously, at least two polymerizable groups, and at least two hydroxyl groups; and a water (B). The composition contains 6 to 2000 parts by weight of the water (B) with respect to 100 parts by weight of the whole amount of polymerizable monomer components. When suitable components are added to this composition, the resultant composition can be used suitably for dental materials such as a primer, bonding material, composite resin, and cement.

Two-part and one-part self-etching dental adhesives containing polymerizable acidic monomers. Methods include one-coat application without need for tooth etching.

Disclosed is a curable composition which is chemically polymerizable, which can achieve extremely high adhesion strength even when not being irradiated with light, and which is intended to be used in the dental field. Specifically disclosed is a curable composition for dental applications, which comprises (A) a polymerizable monomeric component comprising an acidic monomer, (B) water, and (C) a chemical polymerization initiator component comprising a radical-generating species and a reactive species capable of generating a radical upon being reacted with the radical-generating species. The curable composition is stored in the form divided into two or more packages. The polymerization / curing of the curable composition can be achieved by mixing the components packed in the packages with each other. One package (I) among the packages includes the components (A) and (B), and contains a polyvalent metal ion in an mount of 0.3 to 10 meq relative to 1 gram of the polymerizable monomeric component (A) included in the package (I). The chemical polymerization initiator (C) is stored in the form divided into at least two packages so as to prevent the contact between the radical-producing species and the reactive species.

Disclosed is a solar-cell backsheet, the constituent members of which adhere to each other well. Furthermore, said solar-cell backsheet is inexpensive to manufacture, highly weather-resistant, and has excellent water-vapor barrier performance. The disclosed solar-cell backsheet has a layered structure comprising at least three layers. The first layer is a weather-resistant polyester resin film or fluorine resin film. The second layer is a polyolefin layer that is between 5 and 250 [mu]m thick and comprises a modified polyolefin resin obtained by grafting 1 to 30 weight parts of an epoxy-group-containing vinyl monomer and 0.1 to 30 weight parts of an aromatic vinyl monomer onto 100 weight parts of a polyethylene, a polypropylene, or an ethylene-propylene copolymer. The third layer is a polyester layer, a polyolefin layer, or aluminum foil. The combined thickness of the second and third layers is at least 30 [mu]m.

The invention discloses a durable cement concrete bridge deck pavement structure with noise reduction and water drainage functions. A high-performance cold-paved waterproof bonding layer is arranged on the upper surface of a treated concrete bridge deck, the high-performance cold-paved waterproof bonding layer is paved with durable high-modulus asphalt concrete, a waterproof layer is arranged on the upper surface of the durable high-modulus asphalt concrete, and the upper surface of the waterproof layer is paved with an anti-skidding noise reduction and water drainage wear thin layer. The modulus of the asphalt concrete is increased through the durable high-modulus asphalt mixture, deformation of the road surface structure under the effect of vehicle loads is relieved, high-temperature deformation resistance of the road surface is improved, and generation of ruts is delayed. The high-performance waterproof bonding layer material is adopted, attention is paid to treatment of the concrete bridge deck, and bonding durability of the waterproof layer, an asphalt pavement surface layer and a cement concrete board is improved. Noise of the road surface can be lowered to a certain degree through the anti-skidding noise reduction and water drainage wear thin layer, water accumulated on the road surface is eliminated, driving safety is improved, and good social benefits are achieved.

The invention discloses a playing ball and a manufacturing method thereof, relates to indoor soccer and or other balls in indoor sports, and aims to reduce elasticity of balls. The technical scheme is that: specially processed fillers are appropriately filled in a ball bag, then the ball bag is sealed, a plurality of knitted reinforcement objects are adhered to the ball bag, and a plurality of polygonal skin slices are adhered to the outer surface of the knitted reinforcement objects. In the playing ball, the ball bag is prevented from being separated from the outer skin, the service life of the ball is prevented, the uniformity of the ball is guaranteed and production efficiency is improved.

The invention pertains to an aqueous emulsion containing a polymer as a dispersoid and PVA as a dispersant, the polymer containing ethylenically unsaturated monomer units; wherein, the free PVA content of the aqueous emulsion is 0.2-20 parts by mass per 100 parts by mass of the polymer containing ethylenically unsaturated monomer units, the degree of saponification of the free PVA is 80.0-99.5% molar, the viscosity-average degree of polymerization is 200-5000, and the free PVA has a symmetry factor (W0.05 h / 2f), based on JIS K0124 (2011) that satisfies formula (1), said factor measured by reversed-phase distribution gradient high-speed liquid chromatography using a water-acetone eluent. 0.85<=W0.05h / 2f<=1.30 (1) (the meanings of the symbols are omitted.)