Ultra-high molecular weight polyethylene composite template and its preparation method and equipment

Abstract

The invention discloses an ultra-high molecular weight polyethylene composite template and its preparation method and equipment, wherein the ultra-high molecular weight polyethylene composite template has a composite layer structure, and the composite layer is an ultra-high molecular weight polyethylene plate, glass Fiber-reinforced composite tape and ultra-high molecular weight polyethylene board, characterized in that the wall thickness of the ultra-high molecular weight polyethylene board is 3-6mm, the glass fiber composite tape can withstand a tensile force of 2500-20000N, and the composite board is compounded by heating . The technical effect of the present invention is that the ultra-high molecular weight polyethylene composite template fully retains the excellent wear resistance, high impact resistance, fatigue resistance, low temperature toughness, corrosion resistance, and no scaling of the ultra-high molecular weight polyethylene board itself. , self-lubricating, non-toxic and environmentally friendly properties. The preparation method includes the steps of melting and extruding ultra-high molecular weight polyethylene, heating composite molding of glass fiber composite tape and ultra-high molecular weight polyethylene plate, and the like. It can be applied to the field of building formwork.

Description

technical field [0001] The invention relates to the field of building construction formwork, in particular to an ultra-high molecular weight polyethylene composite formwork and a preparation method and equipment thereof. Background technique [0002] Most of the structural templates used in traditional construction and other fields are made of wood, bamboo, steel, plastic building templates, and composite building templates made of the above-mentioned building templates. Wooden and bamboo building formwork is light in weight and wide in width, but its relative strength is low, it is used less frequently, it is not waterproof and moisture-proof, it is easy to mildew and rot, and it consumes resources; although steel building panels are strong and used many times, they are expensive and expensive. Easy to rust, heavy, difficult to transport, and easy to bond with concrete during use and difficult to demould; plastic building formwork has the advantages of low cost, light weigh...

AI Technical Summary

Problems solved by technology

[0003] From the perspective of the main material of the reinforced plastic building formwork, the plastic building formwork can be further divided into foaming material, non-foaming material and composite formwork composed of foaming material and non-foaming material. Chinese patent 201220172406.4 discloses a A glass fiber reinforced foamed building formwork, which is composed of two layers of glass fiber reinforced thermoplastic composite plastic surface layer and a foamed plastic core layer placed between the surface layers, which can overcome the mold rigidity of pure foam material to a certain extent Low, pure non-foaming material mold has low toughness, but its manufacturing process is complicated, and the incompatible interface between foaming material and non-foaming material is inevitable, making the composite mold prone to interfacial peeling

[0004] Chinese patent 201110000869.2 discloses a continuous fiber plastic-coated tape composite reinforced building formwork. The formwork uses a wooden oriented structural board as the core layer, and the two sides are symmetrically laid out and fixed with a layer of polymer adhesive film and 2-4 layers. Continuous fiber plastic-coated strips, forming a multi-layer composite continuous fiber plastic-coated strip composite reinforced building formwork with a sandwich structure has excellent mechanical properties, waterproof and moisture-proof, and many times of use. However, the strength of the formwork needs to be improved, and the processing technology complex

[0005] Chinese patent 201010619052.9 discloses a method of improving performance by adding chopped glass fiber and toughening agent to polyolefin resin. Since the reinforcing effect of chopped glass fiber is far less than that of fiber mesh, the strength of the template is not improved enough

Images