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US 2024/0287228 A1Published application
Hollow polymer particles and method for manufacturing same
AssigneeSekisui Kasei Co., Ltd.
InventorRyosuke HARADA
Life of this patent
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Abstract
Hollow polymer particles comprising a polymer containing a vinylic monomer unit and a phosphate ester monomer unit, the hollow polymer particles having a volume average particle diameter of 0.5 to 1000 μm.
Claims10
Hollow polymer particles comprising a polymer containing a vinylic monomer unit,
- the hollow polymer particles having a phosphorus element content of 2 to 200 mg/kg and an alkaline earth metal element content of 1 to 100 mg/kg, wherein the phosphorus element content is larger than the alkaline earth metal element content, and
- the hollow polymer particles having a volume average particle diameter of 0.5 to 1000 μm.
Dependencies are inferred from the claim text.