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US 2025/0075546 A1Published application
Hinged component made from high density polyethylene
AssigneeThe Procter & Gamble Company
InventorsDong RUAN, Hanjiang ZHU, Yiping SUN, Amy Eichstadt WAUN, Xu HUANG
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Abstract
A hinged component includes a polyethylene composition. The polyethylene composition includes high density polyethylene having a density between 0.941 g/cm3 and 0.960 g/cm3 as determined according to ASTM D792, a melt index (MI) of less than 7 g/10 min as determined according to ASTM D1238 (2.16 kg/190° C.), and a weight average molecular weight (Mw) of more than 170,000.
Claims20
A hinged component comprising:
- a polyethylene composition, wherein the polyethylene composition comprises high density polyethylene having:
- a density between 0.941 g/cm3 and 0.960 g/cm3 as determined according to ASTM D792,
- a melt index (MI) of less than 7 g/10 min as determined according to ASTM D1238 (2.16 kg/190° C.), and
- a weight average molecular weight (Mw) of more than 170,000.
1 more element
A method for making a hinged component, the method comprising:
- compression molding or injection molding the hinged component,
- wherein the hinged component comprises a polyethylene composition having a melt index (MI) of less than 7 g/10 min as determined according to ASTM D1238 (2.16 kg/190° C.), and a weight average molecular weight (Mw) of more than 170,000.
Dependencies are inferred from the claim text.