Method for producing resin molded article and shoe sole member
Provided is a method for producing a resin molded article including an introducing step of introducing a plurality of resin foam particles and a heat medium substance into a forming mold, and a molding step of, after the introducing step, heating the forming mold to a temperature at which the heat medium substance can be vaporized, thereby obtaining a resin molded article including the plurality of resin foam particles.
1. A method for producing a resin molded article, comprising:
introducing a plurality of resin foam particles, a thermoplastic resin composition, and a heat medium substance into a forming mold; and
after the introducing, a molding process of heating the plurality of resin foam particles and the thermoplastic resin composition by heating the forming mold to a temperature at which the heat medium substance can be vaporized to allow the heat medium substance to vaporize in the forming mold, thereby obtaining a resin molded article that is a resin composite in which the plurality of resin foam particles are dispersed in a matrix composed of the thermoplastic resin composition,
wherein
the thermoplastic resin composition comprises a polyolefin-based resin or a polystyrene-based resin, and
the plurality of resin foam particles are composed of a resin composition comprising a polyolefin-based resin.
2. The method for producing a resin molded article according to claim 1 , wherein the heat medium substance is water.
3. A method for producing a resin molded article, comprising:
introducing a plurality of resin foam particles, a thermoplastic resin composition, and a heat medium substance into a forming mold; and
after the introducing, a molding process of heating the plurality of resin foam particles and the thermoplastic resin composition by heating the forming mold to a temperature at which the heat medium substance can be vaporized to allow the heat medium substance to vaporize in the forming mold, thereby obtaining a resin molded article that is a resin composite in which the plurality of resin foam particles are dispersed in a matrix composed of the thermoplastic resin composition, wherein
the thermoplastic resin composition comprises a polyurethane-based resin, and
the plurality of resin foam particles are composed of a resin composition comprising a polyurethane-based resin.
4. The method for producing a resin molded article according to claim 1 , wherein the thermoplastic resin composition is a polymer gel.
5. The method for producing a resin molded article according to claim 1 , wherein the thermoplastic resin composition constituting the matrix of the resin composite is a continuous body as a whole in the resin molded article.
6. The method for producing a resin molded article according to claim 2 , wherein
the thermoplastic resin composition comprises a polyolefin-based resin or a polystyrene-based resin, and
the plurality of resin foam particles are composed of a resin composition comprising a polyolefin-based resin.
7. The method for producing a resin molded article according to claim 2 , wherein
the thermoplastic resin composition comprises a polyurethane-based resin, and
the plurality of resin foam particles are composed of a resin composition comprising a polyurethane-based resin.
8. The method for producing a resin molded article according to claim 2 , wherein the thermoplastic resin composition is a polymer gel.
9. The method for producing a resin molded article according to claim 3 , wherein the thermoplastic resin composition is a polymer gel.
10. The method for producing a resin molded article according to claim 2 , wherein the thermoplastic resin composition constituting the matrix of the resin composite is a continuous body as a whole in the moldingresin molded article.
11. The method for producing a resin molded article according to claim 3 , wherein the thermoplastic resin composition constituting the matrix of the resin composite is a continuous body as a whole in the resin molded article.
12. A method for producing a shoe sole member comprising the method according to claim 1 , wherein the forming mold is a mold for a shoe sole member.
13. A method for producing a shoe sole member comprising the method according to claim 2 , wherein the forming mold is a mold for a shoe sole member.
14. A method for producing a shoe sole member comprising the method according to claim 3 , wherein the forming mold is a mold for a shoe sole member.
15. A method for producing a shoe sole member comprising the method according to claim 4 , wherein the forming mold is a mold for a shoe sole member.
16. A method for producing a shoe sole member comprising the method according to claim 5 , wherein the forming mold is a mold for a shoe sole member.