-continued  -continued  186  US 9,170,489 B2  185  (Al-10)  1:.  "  X  0  u  0  alb/c  ~  40/40/20  MW~ 11000,  Mw/Mn~ 1.60  ~  co  alb~ 50/50  MW~ 28500, Mw/Mn  ~  1.55  (Al-13)  ~~  a oa  0  0  alb~ 70/30  MW~ 8000, Mw/Mn  ~  1.85  (Al-14)  alb~ 60/40  MW~ 7000, Mw/Mn  ~  1.65  (Al-15)  alb/c  ~  35/35/20/10  MW~ 21000, Mw/Mn  ~  1.60  (Al-11)  alb~ 60/40  MW~ 6500, Mw/Mn  ~  1.50  (Al-12)  0  (Al-16) 