FILM-FORMING COMPOSITION AND METHOD FOR OBTAINING SAME Russian patent published in 2008 - IPC C08L45/02 C08L25/04 C08F244/00 

FIELD: chemistry.

SUBSTANCE: invention concerns paintwork materials, particularly development of new film-forming composition and method for obtaining same based on indene-cumarone fraction. The film-forming composition is a mix of polymers and solvent, where polimerisation products of indene-cumarone fraction (stillage bottoms of chemical recovery benzene, toluene, xylene production) containing indene, cumarone, styrene and homologues thereof are used as polymers. Non-resinated part of indene-cumarone fraction comprises at least partially used as solvent, and solvent content in the film-forming composition is at least 5% of mass. The proposed film-forming composition is obtained by polymerisation of indene-cumarone fraction through acid catalyst dosage at the temperature not over 120°C, with further sedimentation and separation of acid layer.

EFFECT: extended range of paintwork materials at lower production cost.

6 cl, 8 ex