Encapsulated agent and constructional object

Patent metadata

Field	Value
Publication number	US-2018215665-A1
Application number	US-201615755154-A
Country	US
Kind code	A1
Filing date	Aug 26, 2016
Priority date	Aug 26, 2015
Publication date	Aug 2, 2018
Grant date	—

Abstract

An encapsulated agent includes a central part and an outer part that covers a surface of the central part. The central part contains a material that is expansive with respect to a liquid, and the outer part contains a material that is able to induce expansion of the central part with respect to the liquid.

First claim

1 - 6 . (canceled)

7 . An encapsulated agent comprising:
a central part containing a material that is expansive with respect to a liquid; and an outer part that covers a surface of the central part, and contains a material with a capability to induce expansion of the central part with respect to the liquid, the material that is able to induce the expansion of the central part including one or more kinds of a copolymer of styrene and butadiene (SBR resin), a copolymer of acrylonitrile, butadiene, and styrene (ABS resin), a copolymer of acrylonitrile and styrene (AS resin), polyethylene, polypropylene, polystyrene, a polyalkylene oxide, polyalkylene glycol, polyvinyl alcohol, vinyl chloride resin, methacyl resin, acrylic resin, polyacrylamide, polyamide, polycarbonate, polyacetal, polyester, polyphenylene ether, phenol resin, epoxy resin, melamine resin, urea resin, alkyd resin, polyurethane resin, polytetrafluoroethylene (PTFE), a copolymer of tetrafluoroethylene and perfluoroalkyl vinyl ether (PFA), a copolymer of tetrafluoroethylene and hexafluoropropylene (FEP), a copolymer of tetrafluoroethylene and ethylene (ETFE), polyvinylidene fluoride (PVDF), polychlorotrifluoroethylene (PCTFE), a copolymer of chlorotrifluoroethylene and ethylene (ECTFE), silicone resin, polydimethylsiloxane, and a modified substance of any of the above materials.

8 . The encapsulated agent according to claim 7 , wherein the material that is expansive with respect to the liquid includes water-absorbing viscosity.

9 . The encapsulated agent according to claim 7 , wherein the encapsulated agent is contained in a constructional material to be used in manufacturing of a constructional object.

10 . A constructional object comprising:
a constructional material; and one or more encapsulated agents each of which includes a central part and an outer part, the central part containing a material that is expansive with respect to a liquid, the outer part covering a surface of the central part, and containing a material with a capability to induce expansion of the central part with respect to the liquid, the material that is able to induce expansion of the central part including one or more kinds of a copolymer of styrene and butadiene (SBR resin), a copolymer of acrylonitrile, butadiene, and styrene (ABS resin), a copolymer of acrylonitrile and styrene (AS resin), polyethylene, polypropylene, polystyrene, a polyalkylene oxide, polyalkylene glycol, polyvinyl alcohol, vinyl chloride resin, methacyl resin, acrylic resin, polyacrylamide, polyamide, polycarbonate, polyacetal, polyester, polyphenylene ether, phenol resin, epoxy resin, melamine resin, urea resin, alkyd resin, polyurethane resin, polytetrafluoroethylene (PTFE), a copolymer of tetrafluoroethylene and perfluoroalkyl vinyl ether (PFA), a copolymer of tetrafluoroethylene and hexafluoropropylene (FEP), a copolymer of tetrafluoroethylene and ethylene (ETFE), polyvinylidene fluoride (PVDF), polychlorotrifluoroethylene (PCTFE), a copolymer of chlorotrifluoroethylene and ethylene (ECTFE), silicone resin, polydimethylsiloxane, and a modified substance of any of the above materials.

11 . The constructional object according to claim 10 , wherein the material that is expansive with respect to the liquid includes water-absorbing viscosity.

12 . The constructional object according to claim 10 , wherein the constructional material contains one or both of mortar and concrete.

Assignees

• Adeka Corp

Inventors

• Noda Kazuyuki
• Homma Masatoshi
• Akimoto Kensaku
• Shinano Hirokatsu

Classifications

• C04B20/1033

  obtained by reactions only involving carbon-to-carbon unsaturated bonds · CPC title

• C04B2103/0051

  Water-absorbing polymers, hydrophilic polymers · CPC title

• C04B28/02

  containing hydraulic cements other than calcium sulfates · CPC title

• C04B20/1051

  Organo-metallic compounds; Organo-silicon compounds, e.g. bentone · CPC title

• C04B20/1037 Primary

  obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds · CPC title