A wafer processing method includes a wafer providing step of placing a polyolefin or polyester sheet on an upper surface of a substrate for supporting a wafer and placing the wafer on an upper surface of the sheet in a condition where a back side of the wafer is exposed upward, a thermocompression bonding step of setting the wafer placed through the sheet on the substrate in an enclosed environment, next evacuating the enclosed environment, and next heating the sheet as applying a pressure to the wafer, thereby uniting the wafer through the sheet to the substrate by thermocompression bonding, a back processing step of processing the back side of the wafer supported through the sheet to the substrate, and a separating step of separating the wafer from the sheet bonded to the substrate.

Provided are a pressure-sensitive adhesive for a nonaqueous battery, which is excellent in adhesive property in a nonaqueous electrolytic solution, is reduced in stickiness, and can be prevented from protruding from an end surface of a pressure-sensitive adhesive tape when applied to the pressure-sensitive adhesive tape, and a pressure-sensitive adhesive tape including the pressure-sensitive adhesive. The pressure-sensitive adhesive for a nonaqueous battery of the present invention is a pressure-sensitive adhesive configured to express an adhesive property by being pressure-bonded, including: an acrylic polymer having an acid functional group; and a crystalline resin having a melting point of 25° C. or more. In one embodiment, the pressure-sensitive adhesive for a nonaqueous battery is configured to express the adhesive property by being warmed.

Provided are an adhesive resin laminate having an excellent adhesive force to two adherends, a laminate in which this adhesive resin laminate is laminated with two adherends, and a method of producing them. An adhesive resin laminate having at least a first adhesive layer and a second adhesive layer, in which the first adhesive layer includes a base resin and a crosslinking agent, the base resin is a modified polyolefin resin, the crosslinking agent is an epoxy-based compound, the second adhesive layer includes a polyolefin-based resin, and when an adhesion initiation temperature of the first adhesive layer is set to T1, and an adhesion initiation temperature of the second adhesive layer is set to T2, T2 is higher than T1 by 30° C. or more.

Provided is an insulated wire with bonding layer having a bonding layer with excellent adhesive strength on both an insulating coating layer and an adherend as an outer layer. An insulated wire 1 with bonding layer has a conductor 2, an insulating coating layer 3 covering an outer circumference of the conductor 2, and a bonding layer 4 provided on an outer side of the insulating coating layer and for bonding by heat, the bonding layer 4 containing (A) a modified polyolefin, and (B) one or more materials selected from a polyester resin and a polyester elastomer, and the bonding layer 4 containing 10 to 70 parts of the (B) component per 100 parts total of the (A) and (B) components.

To provide a hot melt adhesive agent which is excellent in adhesive properties to a substrate material such as paper and a polyolefin, is also excellent in adhesive properties from a low temperature (around 4° C.) to a high temperature (around 50° C.), has little viscosity change even when a long time elapses, and has tack that is not too high. Provided is a hot melt adhesive agent for a container with a straw comprising an amorphous poly-α-olefin (A) and a metallocene polymer (B).

The present application relates to an adhesive composition comprising a polypropylene resin, a tackifying resin and a plasticizer resin having a superior balance of properties in regard of Brookfield viscosity and maximum probe tack. It further relates to an article comprising the adhesive composition and to a process for producing said article. The application also relates to the use of the adhesive composition in the preparation of an article.

A hotmelt adhesive composition comprising 15 to 45% by weight of at least one tackifying resin, and 20 to 60% by weight of a mixture of at least one single-site catalyzed propylene homopolymer (A) and at least one propylene copolymer (B), wherein the propylene homopolymer (A) has a weight average molecular weight of 20,000 to 145,000, the propylene copolymer (B) has an ethylene comonomer content of 5 to 25% by weight, and the weight ratio of propylene homopolymer (A) to propylene copolymer (B) is from 1:3 to 3:1, wherein the hotmelt adhesive further comprises at least one of the following two components (a) and (b): (a) a particulate phosphorous based compound in an amount of 15 to 40% by weight, or (b) a room temperature liquid phosphorous based compound in an amount of 4 to 15% by weight.

The problem of the invention is to provide a hot-melt adhesive having reduced thread formation at the time of applying, excellent thermal resistance and thermal stability after bonding. The means for solving the problem is a hot-melt adhesive comprising a copolymer of ethylene and olefins having 3 to 20 carbon atoms (A), a copolymer of ethylene and carboxylate esters having ethylenically double bonds (B), a tackifying resin (C) and a wax (D), wherein the copolymer of ethylene and olefins having 3 to 20 carbon atoms (A) comprises a metallocene-type propylene/ethylene copolymer (A1).

This adhesive film for a metal terminal is interposed between a metal terminal electrically connected to an electrode of a battery element and a wrapping material sealing the battery element and is provided with at least one resin layer having a polyolefin backbone. When the adhesive film for the metal terminal is measured with a differential scanning calorimeter, a melting peak is observed within the range of 120° C. to 156° C.

The present disclosure provides a fabric laminate. In an embodiment, the fabric laminate includes a fabric sheet, a coating layer, and a tie layer. The fabric sheet is composed of propylene-based polymer fibers. The coating layer is composed of one or more ethylene-based polymers. The tie layer is located between the fabric sheet and the coating layer. The tie layer is composed of at least 50 wt % of a crystalline block composite (CBC) and an optional blend component. The CBC includes (i) an isotactic crystalline propylene homopolymer (iPP); (ii) an ethylene/propylene copolymer; and (iii) a diblock with the formula (EP)-(iPP). The CBC has a block composite index (CBCI) from 0.1 to 1.0. The fabric laminate has a peel force from 20 N/15 mm to 40 N/15 mm.