MULTILAYER MATERIAL Russian patent published in 2001 - IPC

FIELD: light industry. SUBSTANCE: invention relates to manufacturing multilayer industrial-destination multilayer materials and aims at improving quality of layered material by means of increasing its light resistance, improving quality of impression on film coating of material (clearness of printed pattern) and increasing feasibility of book production process by means of eliminating sticking of cases during finishing on embossing presses and blocking of heaped books. For that aim, material includes paper backing and polymer coating having at least one layer and composed of, wt parts: polyvinylchloride 100, mixture of plasticizers 35-45, mixture fillers 22-28, stabilizers (calcium stearate) 1.9-2.2, barium-cadmium complex pigment 1.9-2.4. Mixture of plasticizers contains di(2-ethylhexyl) phthalate and plasticizing additive PL-102 at ratio (4-6):1, and mixture of fillers contains chalk and powdered cellulose at ratio (9-19):1, weight ratio of backing to coating being 1:(1.4-2.0). EFFECT: : improved consumer's quality. 1 tbl, 34 ex