Vintage Gumball Machine Rings for sale
Get the best deals for Vintage Gumball Machine Rings at We have a great online selection at the lowest prices with Fast & Free shipping on many items 2 Pounds Vintage 1960 70 s Gumball machine Prize Rings Patches Letters… NOS Opens in a new window or tab Brand New $ 0 bids · Time left 1d 1h left Thu 04 39 PM
Drastic Change of Mechanical Properties of Polyrotaxane
Polyrotaxane PR consisting of many ring molecules and an axis polymer is a typical supramolecular structure with unique topological characteristics In this study we demonstrated the drastic change of the macroscopic mechanical properties depending on the ring position of PR in bulk Poly ethylene oxide b poly propylene oxide b poly ethylene oxide