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US 10,487,199 B2Granted
Activated films having low sound pressure levels
AssigneeThe Procter & Gamble Company
InventorClarissa Maldonado
Life of this patent
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Abstract
A film comprising from about 20 wt. % to about 85 wt. % of a polyolefin component and from about 20 wt. % to about 45 wt. % of a particle component; wherein the film has a basis weight of from about 5 gsm to about 25 gsm; wherein the film is activated and subjected to an engineering strain of greater than about 20%; wherein the film has a predicted sound pressure level over the frequency octave range of 2000 Hz-6300 Hz of less than about 43 dB.
Claims23
A film comprising:
- a. from about 20 wt. % to about 85 wt. % of a polyolefin component;
- and
- b. from about 20 wt. % to about 45 wt. % of a particle component;
- wherein the film has a basis weight of from about 5 gsm to about 25 gsm prior to activation;
- wherein the film is activated and subjected to an engineering strain of greater than about 20%;
- wherein the film has a sound pressure level of less than about 43 dB according to the Sound Pressure Level Test described herein.
3 more elements
A film comprising:
- a. from about 20 wt. % to about 85 wt. % of a polyolefin component;
- b. less than about 15 wt. % of an elastomeric resin;
- and
- c. from about 20 wt. % to about 45 wt. % of a particle component;
- wherein the film has a basis weight of from about 5 gsm to about 25 gsm prior to activation;
- wherein the film is activated and subjected to an engineering strain of from about 24% to about 85%;
- and
- wherein the film has a sound pressure level of less than about 40 dB according to the Sound Pressure Level Test described herein.
5 more elements
Dependencies are inferred from the claim text.