Quote (Illumini @ Jan 17 2019 04:18am)
So basically you want a silicon "wrist" band that:
1. functions the way it should and remains a tight fit.
2. functions the same way but introduces elasticity.
I mean that may be pretty difficult, but if you're try to engineer your design then the first step is to be able to design the common silicone band yourself, from there you need to find additives that increase elasticity, but of course as it becomes more elastic it's strength will dramatically decrease because silicone frameworks don't behave like rubber.
There is an odd reference (Snejdrová E, et al. Ceska Slov Farm. 2002.) that suggest NaCl (simple table salt) can introduce elasticity in silicone matrices, maybe go for a hail mary and put a silicone band in varying concentrations of a brine solution (for a long period of time) and see if there's any chance in the elastic properties.
very interesting! thanks for the advice m8.
I made a prototype out of clay. works likea fucking charm, but of course there's no elasticity to dried clay. I'm thinking of buying custom circumferences wristbands and building a bunch of prototypes out of them. As far as my understanding goes, the width of the band will determine its elasticity as well because of the amount of surface area. So a livestrong bracelet (like 1/2" wide) wont stretch as much as a bracelet that's 1/4" wide. I have multiple different writbands like this already and have put that theory to test with confirming results.... but the problem with my little experiment is that I have no idea if the bands have different silicone compounds because theyre all from diff manufacturer. so I'm thinking I could order a bunch of different sized wristbands (in width AND circumference) to test and see if I could just find a nice fitting one; then I can reach out to the manufacturer about creating a custom mold for my design
thanks again for the honest help