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US 11,993,669 B2Granted
Foamable resin particles and method of producing same, and foamed molded body
AssigneeKaneka Corporation
InventorsAtsushi Iida, Mitsuhiro Tamura, Yoichi Ohara
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Abstract
Expandable resin particles that have a reduced VOC content, a method of producing the expandable resin particles, and a foamed molded product that has reduced VOC emission are provided. The expandable resin particles contain a base material resin containing, as a structural unit, a styrene unit and an acrylonitrile unit and an expanding agent. The expandable resin particles have a styrene content and an ethylbenzene content each of which is not more than a specific amount.
Claims3
Expandable resin particles comprising:
- a base material resin containing, as a structural unit, a styrene unit and an acrylonitrile unit;
- and an expanding agent,
- wherein the expandable resin particles have a styrene content of not more than 20 ppm and an ethylbenzene content of not more than 130 ppm, and
- wherein the base material resin has a TH/TQ ratio of less than 1.20.
1 more element
Dependencies are inferred from the claim text.