Patent ID: 8674018
Filing Date: 2014-03-18
Classification: C04B,C08L

Abstract:
1. A binder B for production of ceramic or metallic moldings, comprising B B B i) polyhydroxyalkanoates comprising structural units of the formula (I) where R 3 is the —(CH) y (CH 2 ) x CH 3 moiety in which x is an integer from 0 to 2 and y is an integer from 0 to 1, and R 4 is the (—CH 2 —) z moiety in which z is an integer from 1 to 5; ii) polycondensates comprising structural units of the formula (II) where R 5 is the (—CH 2 —) m moiety in which m is an integer from 2 to 4, and R 6 is the (—CH 2 —) n moiety in which m is an integer from 2 to 4; polyalkylene carbonates comprising structural units of the general formula (III) where R 7 is a (C 1 -C 6 )-alkylene radical; and the stereoisomers and copolymers thereof, where the sum of components B 1 ), B 2 ) and B 3 ) does not exceed 100% by weight.