FIELD: process engineering.
SUBSTANCE: invention relates to method of producing multilayer containers. Proposed method comprises drying nanocomposites material in dryer at 80-90°C for 4-5 h. Then, polyether and nanocomposites material are melted at 290-295°C and 270-285°C, respectively, and simultaneously at 91 kgf/cm2 - 134 kgf/cm2 and 70 kgf/cm2 - 84 kgf/cm2 for mould multilayer preform. Further, the process comprises repeated heating of multilayer preform and blow moulding. Note here that said nanocomposites composition is prepared as follows. Mix made from 60-99 wt % of polyamide resin MXD6 or MXDI, and 40-1 wt % of one or several materials selected from the group consisting of nylon6, nylon66, nylon6/12, 6I/6T and their copolymers, is prepared at 80-90°C for 4-5 h. Then, mix is dried and 0.5-10 parts by wt of organically modified laminar silicates are added thereto and mixed. Now, the mix and organically modified silicates are extruded to produced nanocomposites material containing laminar silicates.
EFFECT: multilayer container that features high strength, transparency, gas-proof properties and resistance to lamination.
2 cl, 3 dwg, 5 tbl, 1 ex
