COPOLYMERS OF MALEIC ANHYDRIDE AS A DISSOLUBLE AUXILIARY MATERIAL FOR PRINTER, WHICH USES TECHNOLOGY OF THE LAYERED IMPOSITION OF THE MOLTEN POLYMERIC THREAD (FDM)

摘要

1. Supporting material for 3D-printing method according to FDM technology, characterized in that it comprises at least 60% by weight. copolymer comprising from 30% to 60% by weight. maleic anhydride and from 30% to 60% by weight. monomers copolymerizable with maleic anhydride, and in that the auxiliary material is at least 60% by weight. It is soluble in an aqueous medium at a pH between 6 and 14.2. The auxiliary material according to claim 1, characterized in that it comprises at least 60% by weight. copolymer comprising from 30% to 60% by weight. styrene and from 30% to 60% by weight. maleic angidrida.3. The auxiliary material according to claim 1, characterized in that the copolymer further comprises from 2% to 20% by weight. (Meth) acrylic kisloty.4. The auxiliary material according to claim 1, characterized in that the copolymer further comprises from 2% to 40% by weight. methoxy polyethylene glycol methacrylate having a molecular weight of 250 and Mmezhdu 2000.5. The auxiliary material according to claim 1, characterized in that the copolymer has a glass transition temperature that differs by no more than 25 ° C from the glass transition temperature of the material used for modelirovaniya.6. The auxiliary material according to claim 1, characterized in that the copolymer has a glass transition temperature between 83 and 133 ° C.7. The auxiliary material according to claim 1, characterized in that it is soluble in an aqueous medium at a pH between 7 and 9.8. The auxiliary material according to claim 1, characterized in that the copolymer has a molecular weight of 50,000 and Mmezhdu 300000.9. The auxiliary material according to claim 1, characterized in that it is composed of 50-60% wt. isobutylene or styrene and 40-50% by weight. maleic angidrida.10. The auxiliary material according to claim 3, characterized in that it is composed of 40-55% wt. styrene or isobutene,