Aqueous dispersion, and laminate, adhesive for footwear, and footwear made using same
An aqueous dispersion including an acid-modified polyolefin resin (A) having a content of an unsaturated carboxylic acid component of 0.1 to 10% by mass, a rubber component (B), a tackifier component (C) and an aqueous medium, wherein in relation to 100 parts by mass of the acid-modified polyolefin resin (A), the content of the rubber component (B) is 5 to 1900 parts by mass, and in relation to 100 parts by mass of the total amount of the acid-modified polyolefin resin (A) and the rubber component (B), the content of the tackifier component (C) is 5 to 300 parts by mass.
1. An aqueous dispersion comprising an acid-modified polyolefin resin (A) having a content of an unsaturated carboxylic acid component of 0.1 to 10% by mass, a rubber component (B), a tackifier component (C) and an aqueous medium, wherein
the rubber component (B) is a chloroprene rubber; in relation to 100 parts by mass of the acid-modified polyolefin resin (A), the content of the rubber component (B) is 5 to 1900 parts by mass; and in relation to 100 parts by mass of a total amount of the acid-modified polyolefin resin (A) and the rubber component (B), the content of the tackifier component (C) is 5 to 300 parts by mass.
2. The aqueous dispersion according to claim 1 , wherein the acid-modified polyolefin resin (A) is an ethylene-(meth)acrylic acid ester-(anhydrous) maleic acid copolymer.
3. The aqueous dispersion according to claim 1 , wherein a melt flow rate value (according to ISO1133, at 190° C., under a load of 21.2 N) of the acid-modified polyolefin resin (A) is 1 to 300 g/10 min.
4. The aqueous dispersion according to claim 1 , wherein the tackifier component (C) is a terpene-based resin.
5. The aqueous dispersion according to claim 1 , wherein a number average particle size of dispersed particles in the aqueous dispersion is 0.5 μm or less.
6. The aqueous dispersion according to claim 1 , wherein a static friction coefficient (according to ISO8295) of a surface of an obtained coating film in an atmosphere at 23±2° C. is 1.5 or less.
7. A laminate comprising a coating film obtained from the aqueous dispersion according to claim 1 , wherein the coating film is laminated at least on a part of a substrate.
8. A laminate wherein a substrate comprising a polyolefin resin and a substrate comprising a rubber are allowed to adhere to each other through the intermediary of a coating film obtained from the aqueous dispersion according to claim 1 .
9. An adhesive for footwear, wherein the adhesive for footwear is an adhesive comprising the aqueous dispersion according to claim 1 , and a constitutional member of footwear is an adherend of the adhesive.
10. The adhesive for footwear according to claim 9 , wherein the constitutional member of footwear comprises one or more selected from the group consisting of a leather material, a woven fabric, a knitted fabric, a polyvinyl chloride resin, a polyurethane resin, a polyolefin resin and a rubber.
11. A set of footwear obtained by using the adhesive for footwear according to claim 9 .
12. An aqueous dispersion comprising an acid-modified polyolefin resin (A) having a content of an unsaturated carboxylic acid component of 0.1 to 10% by mass, a rubber component (B), a tackifier component (C) and an aqueous medium, wherein
in relation to 100 parts by mass of the acid-modified polyolefin resin (A), the content of the rubber component (B) is 5 to 1900 parts by mass; in relation to 100 parts by mass of a total amount of the acid-modified polyolefin resin (A) and the rubber component (B), the content of the tackifier component (C) is 5 to 300 parts by mass; and a number average particle size of dispersed particles in the aqueous dispersion is 0.5 μm or less.
13. The aqueous dispersion according to claim 12 , wherein the acid-modified polyolefin resin (A) is an ethylene-(meth)acrylic acid ester-(anhydrous) maleic acid copolymer.
14. The aqueous dispersion according to claim 12 , wherein the tackifier component (C) is a terpene-based resin.
15. A laminate comprising a coating film obtained from the aqueous dispersion according to claim 12 , wherein the coating film is laminated at least on a part of a substrate.
16. A laminate wherein a substrate comprising a polyolefin resin and a substrate comprising a rubber are allowed to adhere to each other through the intermediary of a coating film obtained from the aqueous dispersion according to claim 12 .
17. An adhesive for footwear, wherein the adhesive for footwear is an adhesive comprising the aqueous dispersion according to claim 12 , and a constitutional member of footwear is an adherend of the adhesive.
18. The adhesive for footwear according to claim 17 , wherein the constitutional member of footwear comprises one or more selected from the group consisting of a leather material, a woven fabric, a knitted fabric, a polyvinyl chloride resin, a polyurethane resin, a polyolefin resin and a rubber.
19. A set of footwear obtained by using the adhesive for footwear according to claim 17 .