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Just off the top of my head... I wonder if it has anything to do
with
dissolved minerals left behind after the water evaporates.
Cliff Parker
Never express yourself more clearly than you can think. Niels Bohr
----- Original Message -----
From: "Chuck Britton" <britton@NCSSM.EDU>
To: <PHYS-L@lists.nau.edu>
Sent: Thursday, May 15, 2003 8:17 AM
Subject: Re: sticky shower curtains
I'm sure that this explanation doesn't apply to OTHER household -but
it does in MINE!dry -
The answer is SCUZZZ.
Wet scuz glues the curtain to the porcelain. Once everything is
the glue is still holding. But DRY glue (scuz) won't rejoin thehow
surfaces.
I sure do enjoy reading all these high falutin' explanations of
the world works?stickers
My experience is that clean, dry, newly exposed vinyl DOES adhere
well to smooth (glass) surfaces. Those removable car window
come to mind.suppose the
At 8:59 AM -0400 5/15/03, Carl E. Mungan wrote:
I was wondering what makes wet shower curtains so sticky? I
whatanswer is that water adheres to both plastic and porcelain. But
seems
watercurious to me is that the curtain continues to stick after the
to theevaporates, and yet I cannot get a dry shower curtain to adhere
tub
directly towhen I press it on. This suggests that plastic doesn't adhere
somethingporcelain, but that even after all the evident water evaporates
waterhas happened to the surface bonds of the plastic and porcelain.
Two possibilities come to mind: Maybe there's a thin monolayer of
well) andstill left after the bulk evaporates (since water adheres so
to thisthat's like a thin glue between the curtain and tub. The counter
is
waterthat even a "dry" curtain should then have about a monolayer of
left
myon it, so why shouldn't a "dry" curtain adhere to a tub when I rub
finger
bonds getnail over it like I might do with a piece of scotch tape?
The other possibility has to do with how the dangling surface
but I'mpassivated as the water between the curtain and tub evaporates,
(F)starting to get out of my league here.
Curious mind invites comments (CMIC), Carl
-----
Carl E. Mungan, Asst. Prof. of Physics 410-293-6680 (O) -3729
http://usna.edu/Users/physics/mungan/U.S. Naval Academy, Stop 9C, Annapolis, MD 21402-5026
mailto:mungan@usna.edu
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Chuck Britton Education is whatis left
when
britton@ncssm.edu you have forgotteneverything
North Carolina School of Science & Math you learned inschool.
(919) 416-2762 Albert Einstein,1936