| abstract |
The present invention relates to a method for producing three-dimensional self-supporting and / or substrate-supported shaped bodies or structures on surfaces by locally solidifying a liquid to pasty, organically modified, polysiloxane-containing material within a bath of this material by means of two- or more-photon Polymerization, wherein the organically modified polysiloxane is obtainable by hydrolysis and at least partial condensation of a starting material which comprises at least one silane of the formula (I) DOLLAR AR. 1 · ¶a¶R · 2 · ¶b¶SiX¶4-ab¶ DOLLAR A contains or consists of, wherein R · 1 · is the same or different and is an organic, over two- or multi-photon polymerization polymerizable radical, R · 2 · are the same or different and an organic, not polymerizable in this way Rest means and X is a hydrolyzable under hydrolysis conditions of silicon radical , the subscript a is 1, 2 or 3, the subscript b is 0, 1 or 2 and a + b together are 1, 2 or 3. Preferably, the material to be solidified is solidified in the bath in accordance with geometric description data of the shaped body to be produced, wherein the irradiation conditions are met by increased intensity concentration of the radiation. With the invention can be produced moldings which can be used in a variety of fields, eg. For optical, (di) electrical, magnetic, mechanical, ... |