So.F.Ter

Some examples of commercially available SBS are Asafiex (AKelastomers), Asaprene (AKelastomers), Badaflex (Bada AG), Dryflex (VTC TPE Group), Europrene (Polimeri Europa), Evoprene (AlphaGary), Kraton (Kraton Polymers LLC), Sofprene T (SO.F.TER. SPA), Tufprene (AKelastomers), and Vector (Dexco Polymers LP). 

ExxonMobil Ebbtide Polymers Solvay Engineered Polymers So.F.Ter.S.p.A. 

So.F.teR S.p.A Laprene S(EB)S Applications Gaskets, boxes, sheathing, sportware, ski-boots, flippers, masks, saddles. Bellows, hand grips, steering wheel covers, push buttons. ... 

The above expressions for Gi are valid for UCST systems showing phase decomposition at low temperatures. These systems are characterized by (Th and Ter) >0 and Fa < Fc if F < 0 as otherwise no miscibility is achieved. There are several blends, showing phase decomposition at high temperatures, and which are so-called LCST systems. The EH parameter of such blends have to fulflll the following conditions, namely (Fa and Fa) < 0 and IFcrl > / c = 2/y, in order to show phase transitions at a finite critical temperature. The corresponding critical amplitude for the mean field susceptibility becomes Cj[ p = 2 [- (2/V" -F Ter)] because of the necessary redefinition... 

Assume that a human forearm may be approximated by a cylinder 4 in in diameter and 1 ft long. The arm is exposed to a dry-air environmental temperature of 115°F in a 10-mi/h breeze on the desert and receives a radiant heat flux from the sun of 350 Btu/h ft2 of view area (view area for the cylinder = Ld). If the arm is perspiring so that it is covered with a thin layer of w. ter, estimate the arm surface temperature. Neglect internal heat generation of ilie arm. Assume an emissivity of unity for the water film. 

Figure 7.6 Experimental evaluation ot the ettect ot external mass trans-ter. Velocity is varied by varying and tVsimultaneously so that W/F q (contact time) remains constant.

---