2.And two new segmented poly(urethaneureas) were prepared from poly(tetramethylene glycol)(PTMG) or polyadipate of 1,4 butanediol(PBA), MDI and Urea(as chain extender).
5.And like other placebos, they can be used in one of two ways: either as a dose extender after a round of medicine to prolong its effects, or just straight up as a treatment.