FLEXIBLE REINFORCED MULTILAYER POLYMER PIPE
Proposed is a flexible polymer multilayer reinforced pipe (1) comprising an inner shell (2), one or more reinforcing layers (6) arranged thereon and a cover layer (7) arranged above all reinforcing layers (6). The inner shell (2) comprises an inner layer (3) of a polyphenylene sulphide based composi...
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| creator | SHMELEV, ALEKSANDR YURYEVICH FILIPPOV, ANATOLIY NIKOLAEVICH GORILOVSKIY, MIRON ISAAKOVICH SAMOILOV, SERGEY VASILYEVICH SHALYAPIN, SERGEY VALERYEVICH |
| description | Proposed is a flexible polymer multilayer reinforced pipe (1) comprising an inner shell (2), one or more reinforcing layers (6) arranged thereon and a cover layer (7) arranged above all reinforcing layers (6). The inner shell (2) comprises an inner layer (3) of a polyphenylene sulphide based composition and an outer layer (4). The inner and the outer layers (3, 4) are bonded to each other by an intermediate layer (5). The proposed invention is characterised in that the polyphenylene sulphide based composition, of which the inner layer (3) is made, has a modulus of elasticity between 1.0 and 2.5 GPa. The outer layer (4) and the cover layer (7) of the multilayer pipe (1) are made of a polypropylene based composition stabilised with antioxidants. The intermediate layer (5) is made of a polypropylene based composition containing functional groups having reactivity towards the polyphenylene sulphide that is contained in the composition of which the inner layer (3) is made. |
| format | Patent |
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The inner shell (2) comprises an inner layer (3) of a polyphenylene sulphide based composition and an outer layer (4). The inner and the outer layers (3, 4) are bonded to each other by an intermediate layer (5). The proposed invention is characterised in that the polyphenylene sulphide based composition, of which the inner layer (3) is made, has a modulus of elasticity between 1.0 and 2.5 GPa. The outer layer (4) and the cover layer (7) of the multilayer pipe (1) are made of a polypropylene based composition stabilised with antioxidants. 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The inner shell (2) comprises an inner layer (3) of a polyphenylene sulphide based composition and an outer layer (4). The inner and the outer layers (3, 4) are bonded to each other by an intermediate layer (5). The proposed invention is characterised in that the polyphenylene sulphide based composition, of which the inner layer (3) is made, has a modulus of elasticity between 1.0 and 2.5 GPa. The outer layer (4) and the cover layer (7) of the multilayer pipe (1) are made of a polypropylene based composition stabilised with antioxidants. The intermediate layer (5) is made of a polypropylene based composition containing functional groups having reactivity towards the polyphenylene sulphide that is contained in the composition of which the inner layer (3) is made.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; pol |
| recordid | cdi_epo_espacenet_PL3904092TT3 |
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| subjects | LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS TRANSPORTING |
| title | FLEXIBLE REINFORCED MULTILAYER POLYMER PIPE |
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