Preparation device of ultra-high molecular weight polyethylene sheets and preparation method thereof

• Main Authors: DING YUN, XUE PING, ZHANG FENGBO, WANG XINJUN, JIA MINGYIN, HE ZHENQIANG, HAN QINGGUO
• Format: Patent
• Language: Chinese; English
• Published: 16.04.2014
• 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

The invention discloses a preparation device of ultra-high molecular weight polyethylene sheets and a preparation method thereof, and the preparation device comprises an extruding machine, a plate die and a stretching device, wherein the stretching device comprises a heating device and a main stretching machine, and an auxiliary stretching machine is further mounted in the heating device; and a calendaring machine, a first traction machine and a conveyor are mounted between the plate die and the heating device. The preparation method comprises the following steps: (a) preparing materials; (b) extruding the materials; (c) shaping; (d) calendaring; (e) performing traction and conveying; and (f) stretching. By adopting the preparation device and the preparation method, the high-strength high-modulus ultra-high molecular weight polyethylene sheets which are in the width of 300-1200mm, the thickness of 1-10mm, the tensile strength of 200-400MPa and the elastic modulus of 8-16GPa can be produced, and the preparatio