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US 2024/0076479 A1Published application
Porous Particles and Purging Agent
AssigneeKuraray Co., Ltd.
InventorsMakoto Suzuki, Mizuko Oshita
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Abstract
A purging agent which enables efficiently discharging a resin to be purged in a molding apparatus is provided. Porous particles contain: an ethylene-vinyl alcohol copolymer (A); and an alkali metal (B), wherein a median pore diameter is 0.01 to 3 μm, an average particle diameter is 2.5 to 8 mm, and a content of the alkali metal (B) is 1,000 to 100,000 ppm.
Claims7
Porous particles comprising:
- an ethylene-vinyl alcohol copolymer (A);
- and an alkali metal (B),
- wherein
- a median pore diameter is 0.01 to 3 μm,
- an average particle diameter is 2.5 to 8 mm, and
- a content of the alkali metal (B) is 1,000 to 100,000 ppm.
3 more elements
Dependencies are inferred from the claim text.