Title:
Method for Producing Expandable Polystyrene Resin Particles
Document Type and Number:
Japanese Patent JP6349697
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for producing an expandable polystyrene-based resin particle that can produce a polystyrene-based resin expansion molded article having an excellent fire retardant property as well as that is excellent in expansion moldability and has a high product yield.SOLUTION: A method for producing an expandable polystyrene-based resin particle comprising fire retardant, includes: first, mixing a fire retardant comprising brominated butadiene-styrene copolymer, and a polystyrene-based resin by kneading to produce a polystyrene-based resin seed particle and dispersing the same in an aqueous medium; then, feeding a styrenic monomer into the aqueous medium to impregnate the styrenic monomer into the polystyrene-based resin seed particle and polymerizing the same; and impregnating a physical blowing agent into the resin particle during or after the polymerization to produce an expandable polystyrene-based resin particle.
Inventors:
Yuki Taguchi
Sakamoto Tomoya
Sakamoto Tomoya
Application Number:
JP2013245156A
Publication Date:
July 04, 2018
Filing Date:
November 27, 2013
Export Citation:
Assignee:
JSP Corporation
International Classes:
C08J9/18; C08F2/44; C08J9/20; C08L25/06
Domestic Patent References:
| JP2012188634A | ||||
| JP2013514397A | ||||
| JP2013209608A | ||||
| JP2009516019A | ||||
| JP2013199600A | ||||
| JP2011093954A |
Attorney, Agent or Firm:
Patent Business Corporation Aichi International Patent Office