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I have not found any research on this subject. i appreciate any thoughts on this or any studies that you may find.

my hypothesis is that due to masks absorbing or otherwise containing material both from and to the wearer, this will increase the surface area from which the breath of the wearer will propel the material more effectively versus an unobstructed face hole.

further, when the wearer sneezes or coughs, the effect would be akin to pressing the button on a can of hairspray.

I have not found any research on this subject. i appreciate any thoughts on this or any studies that you may find. my hypothesis is that due to masks absorbing or otherwise containing material both from and to the wearer, this will increase the surface area from which the breath of the wearer will propel the material more effectively versus an unobstructed face hole. further, when the wearer sneezes or coughs, the effect would be akin to pressing the button on a can of hairspray.

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I totally agree. Just the added face touching would likely spread it more. But I also think the mask diffuses the exhaled breath in all directions, causing it to linger in the air longer. Whereas without a mask peoples breath has more of a downward trajectory.