Abstract: Problem to be solved of the present invention is to provide a hot-melt adhesive agent which is capable of applying at low temperature, has an excellent adhesiveness at low temperature, and a disposable product obtained by employing the hot-melt adhesive agent. Means for solving the problem is a hot-melt adhesive agent comprised of a thermoplastic block copolymer (A) which is a copolymer of vinyl class aromatic hydrocarbons and conjugated diene compounds, wherein the thermoplastic block copolymer (A) comprises a radial type styrene block copolymer having a styrene content of 35 to 45% by weight and a diblock content of 50 to 90% by weight, and having a viscosity at 25° C. as a 25% (by weight) toluene solution of not more than 250 mPa·s (A1).

Abstract: The present invention provides a hot-melt adhesive agent which is capable of applying at low temperature, and has an excellent adhesiveness to a polyolefin substrate, and a disposable product obtained by employing the hot-melt adhesive agent. A hot-melt adhesive agent comprising a thermoplastic block copolymer (A) which is a copolymer of vinyl class aromatic hydrocarbons and conjugated diene compounds, wherein the thermoplastic block copolymer (A) comprises the following component (A1) and component (A2): (A1) a radial type styrene block copolymer having a styrene content of 35 to 45% by weight and a diblock content of 50 to 90% by weight, and having a viscosity at 25° C. as a 25% (by weight) toluene solution of not more than 250 mPa·s; and (A2) a styrene block copolymer having a styrene content of less than 30% by weight, and having a viscosity at 25° C. as a 25% (by weight) toluene solution of more than 250 mPa·s.

Abstract: Problem to be solved of the present invention is to provide a hot-melt adhesive agent which is capable of applying at low temperature, has an excellent adhesiveness at low temperature, and a disposable product obtained by employing the hot-melt adhesive agent. Means for solving the problem is a hot-melt adhesive agent comprised of a thermoplastic block copolymer (A) which is a copolymer of vinyl class aromatic hydrocarbons and conjugated diene compounds, wherein the thermoplastic block copolymer (A) comprises a radial type styrene block copolymer having a styrene content of 35 to 45% by weight and a diblock content of 50 to 90% by weight, and having a viscosity at 25° C. as a 25% (by weight) toluene solution of not more than 250 mPa·s (A1).

Abstract: Problem to be solved of the present invention is to provide a hot-melt adhesive agent which is capable of applying at low temperature, has an excellent adhesiveness at low temperature, and a disposable product obtained by employing the hot-melt adhesive agent. Means for solving the problem is a hot-melt adhesive agent comprised of a thermoplastic block copolymer (A) which is a copolymer of vinyl class aromatic hydrocarbons and conjugated diene compounds, wherein the thermoplastic block copolymer (A) comprises a radial type styrene block copolymer having a styrene content of 35 to 45% by weight and a diblock content of 50 to 90% by weight, and having a viscosity at 25° C. as a 25% (by weight) toluene solution of not more than 250 mPa·s (A1).

Abstract: The present invention provides hot melt adhesives for disposable products. The hot melt adhesives may be applied at high-speed and at low temperature ranges. The hot melt adhesives also provide excellent adhesion to polyethylene and a nonwoven fabric. The hot melt adhesive comprises (A) a thermoplastic block copolymer, which is a copolymer of a vinyl-based aromatic hydrocarbon with a conjugated diene compound; and (B) a propylene homopolymer having a melting point of 100° C. or lower, which is obtainable by polymerizing propylene using a metallocene catalyst. The disposable products are produced at high-speeds and low temperature with the inventive hot melt, and therefore, the disposal products are produced efficiently and safely, and a nonwoven fabric and a polyethylene film of the disposable products are less likely to peel.

Abstract: The present invention provides a hot melt adhesive suitable for use in disposable products, which can be applied at a high speed and provides excellent in adhesion in a wet state and low-temperature coating, with little odor. The hot melt adhesive for disposable products comprises: (A) a propylene homopolymer having a melting point of 100° C. or lower obtained by polymerizing propylene using a metallocene catalyst; and (B) a wax modified with carboxylic acid and/or carboxylic acid anhydride. The wet adhesion of the hot melt adhesive is improved when the wax is modified with maleic acid and/or maleic anhydride.

Abstract: Problem to be solved of the present invention is to provide a hot-melt adhesive agent which is capable of applying at low temperature, has an excellent adhesiveness at low temperature, and a disposable product obtained by employing the hot-melt adhesive agent. Means for solving the problem is a hot-melt adhesive agent comprised of a thermoplastic block copolymer (A) which is a copolymer of vinyl class aromatic hydrocarbons and conjugated diene compounds, wherein the thermoplastic block copolymer (A) comprises a radial type styrene block copolymer having a styrene content of 35 to 45% by weight and a diblock content of 50 to 90% by weight, and having a viscosity at 25° C. as a 25% (by weight) toluene solution of not more than 250 mPa·s (A1).

Abstract: A hot melt adhesive useful in high-speed coating and spiral coating at low temperature for adhering a polyolefin film to a nonwoven fabric and disposable products obtained by the same are provided. The hot melt adhesive comprises: (A) a thermoplastic block copolymer which is a copolymer of a vinyl-based aromatic hydrocarbon with a conjugated diene compound; (B) a propylene homopolymer having a melting point of 100° C. or lower which is obtainable by polymerizing propylene using a metallocene catalyst; and (C) an ethylene/?-olefin copolymer. The hot melt adhesive is excellent in high-speed coating and spiral coating at low temperature, and also provides excellent adhesion to a polyolefin film and a nonwoven fabric.

Abstract: Problem to be solved of the present invention is to provide a hot-melt adhesive agent which is capable of applying at low temperature, has an excellent adhesiveness at low temperature, and a disposable product obtained by employing the hot-melt adhesive agent. Means for solving the problem is a hot-melt adhesive agent comprised of a thermoplastic block copolymer (A) which is a copolymer of vinyl class aromatic hydrocarbons and conjugated diene compounds, wherein the thermoplastic block copolymer (A) comprises a radial type styrene block copolymer having a styrene content of 35 to 45% by weight and a diblock content of 50 to 90% by weight, and having a viscosity at 25° C. as a 25% (by weight) toluene solution of not more than 250 mPa·s (A1).

Abstract: The present invention provides a hot-melt adhesive agent which is capable of applying at low temperature, and has an excellent adhesiveness to a polyolefin substrate, and a disposable product obtained by employing the hot-melt adhesive agent. A hot-melt adhesive agent comprising a thermoplastic block copolymer (A) which is a copolymer of vinyl class aromatic hydrocarbons and conjugated diene compounds, wherein the thermoplastic block copolymer (A) comprises the following component (A1) and component (A2): (A1) a radial type styrene block copolymer having a styrene content of 35 to 45% by weight and a diblock content of 50 to 90% by weight, and having a viscosity at 25° C. as a 25% (by weight) toluene solution of not more than 250 mPa·s; and (A2) a styrene block copolymer having a styrene content of less than 30% by weight, and having a viscosity at 25° C. as a 25% (by weight) toluene solution of more than 250 mPa·s.

Abstract: Problem to be solved of the present invention is to provide a hot-melt adhesive agent which is capable of applying at low temperature, has an excellent adhesiveness at low temperature, and a disposable product obtained by employing the hot-melt adhesive agent. Means for solving the problem is a hot-melt adhesive agent comprised of a thermoplastic block copolymer (A) which is a copolymer of vinyl class aromatic hydrocarbons and conjugated diene compounds, wherein the thermoplastic block copolymer (A) comprises a radial type styrene block copolymer having a styrene content of 35 to 45% by weight and a diblock content of 50 to 90% by weight, and having a viscosity at 25° C. as a 25% (by weight) toluene solution of not more than 250 mPa·s (A1).

Abstract: The present invention provides a hot melt adhesive which is excellent in high-speed coating and spiral coating at low temperature, and is also excellent in adhesion to a polyolefin film and a nonwoven fabric; and provides disposable products obtainable by using the hot melt adhesive. Disclosed is a hot melt adhesive including: (A) a thermoplastic block copolymer which is a copolymer of a vinyl-based aromatic hydrocarbon with a conjugated diene compound; (B) a propylene homopolymer having a melting point of 100° C. or lower which is obtainable by polymerizing propylene using a metallocene catalyst; and (C) an ethylene/?-olefin copolymer. The hot melt adhesive is excellent in high-speed coating and spiral coating at low temperature, and is also excellent in adhesion to a polyolefin film and a nonwoven fabric.

Abstract: The present invention provides a hot melt adhesive suitable for use in disposable products, which can be applied at a high speed and provides excellent in adhesion in a wet state and low-temperature coating, with little odor. The hot melt adhesive for disposable products comprises: (A) a propylene homopolymer having a melting point of 100° C. or lower obtained by polymerizing propylene using a metallocene catalyst; and (B) a wax modified with carboxylic acid and/or carboxylic acid anhydride. The wet adhesion of the hot melt adhesive is improved when the wax is modified with maleic acid and/or maleic anhydride.

Abstract: The present invention provides hot melt adhesives for disposable products. The hot melt adhesives may be applied at high-speed and at low temperature ranges. The hot melt adhesives also provide excellent adhesion to polyethylene and a nonwoven fabric. The hot melt adhesive comprises (A) a thermoplastic block copolymer, which is a copolymer of a vinyl-based aromatic hydrocarbon with a conjugated diene compound; and (B) a propylene homopolymer having a melting point of 100° C. or lower, which is obtainable by polymerizing propylene using a metallocene catalyst. The disposable products are produced at high-speeds and low temperature with the inventive hot melt, and therefore, the disposal products are produced efficiently and safely, and a nonwoven fabric and a polyethylene film of the disposable products are less likely to peel.

Abstract: A hot melt adhesive is provided that has low viscosity, a high softening point, superior heat resistance, and a high degree of adhesive strength and adhesion stability at high temperatures. The adhesives of the invention comprise (A) an amorphous alpha olefin, (B) a crystalline poly-alpha olefin and (C) hydrogenated thermoplastic block copolymer which are copolymers with vinyl aromatic hydrocarbons and conjugated diene compounds. The adhesive is particularly useful in the manufacture of articles including laminations.