abstract |
A binder B for inorganic powders comprises a mixture ofn b1 from 80 to 99.5% by weight of a polyoxymethlene homopolymer or copolymer B1 and b2 from 0.5 to 20% by weight of a polymer system B2 which is not miscible with B1 and comprises b21 from 5 to 100% by weight of polytetrahydrofuran B21 and b22 from 0 to 95% by weight of at least one polymer B22 of C 2-8 -olefins, vinylaromatic monomers, vinyl esters of aliphatic C 1-8 -carboxylic acids, vinyl C 1-8 -alkyl ethers or C 1-12 -alkyl (meth)acrylates. |