Polylactic acid sheet material and production equipment thereof
The present invention discloses one kind of polylactic acid sheet and its production apparatus, and belongs to the field of polymer sheet making and plasticizing apparatus. The polylactic acid sheet in the thickness of 0.2-2 mm and drawing ratio up to 1 to 2.3 may be adhered to paper or fiber fabric...
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| creator | CHEN JINSHENG FENG JIAZHEN LIU JINGYUN |
| description | The present invention discloses one kind of polylactic acid sheet and its production apparatus, and belongs to the field of polymer sheet making and plasticizing apparatus. The polylactic acid sheet in the thickness of 0.2-2 mm and drawing ratio up to 1 to 2.3 may be adhered to paper or fiber fabric to form compound material. The polylactic acid sheet is extruded in a screw extruder with a barrier type screw bolt, which has at least one ring notch between the barrier section and the top and raised rings beside the notch with homogeneously distributed shallow slots. The cooling drum is provided with at least 3 cooling water channels. The production apparatus of the present invention can produce polylactic acid sheets with excellent performance continuously. |
| format | Patent |
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The polylactic acid sheet in the thickness of 0.2-2 mm and drawing ratio up to 1 to 2.3 may be adhered to paper or fiber fabric to form compound material. The polylactic acid sheet is extruded in a screw extruder with a barrier type screw bolt, which has at least one ring notch between the barrier section and the top and raised rings beside the notch with homogeneously distributed shallow slots. The cooling drum is provided with at least 3 cooling water channels. 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The polylactic acid sheet in the thickness of 0.2-2 mm and drawing ratio up to 1 to 2.3 may be adhered to paper or fiber fabric to form compound material. The polylactic acid sheet is extruded in a screw extruder with a barrier type screw bolt, which has at least one ring notch between the barrier section and the top and raised rings beside the notch with homogeneously distributed shallow slots. The cooling drum is provided with at least 3 cooling water channels. 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The polylactic acid sheet in the thickness of 0.2-2 mm and drawing ratio up to 1 to 2.3 may be adhered to paper or fiber fabric to form compound material. The polylactic acid sheet is extruded in a screw extruder with a barrier type screw bolt, which has at least one ring notch between the barrier section and the top and raised rings beside the notch with homogeneously distributed shallow slots. The cooling drum is provided with at least 3 cooling water channels. The production apparatus of the present invention can produce polylactic acid sheets with excellent performance continuously.</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | Polylactic acid sheet material and production equipment thereof |
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