Roof-shaped mixing unit plastic rubber pipe and preparation method thereof

Abstract

The invention discloses a roof-shaped mixing unit plastic rubber pipe and a preparation method thereof. According to the roof-shaped mixing unit plastic rubber tube and the preparation method thereof,a zirconium-aluminum acrylate coupling agent and a rare earth coupling agent are used as coupling agents, chlorinated polyethylene and butadiene styrene rubber can be stably and reliably crosslinkedfrom the perspective of a molecular structure, the structure of a chlorinated polyethylene plastic tube is optimized from the basic level, and elastoplasticity, toughness and temperature resistance ofthe chlorinated polyethylene plastic pipe are comprehensively improved. The plasticizer is a mixture of dioctyl phthalate and epoxidized soybean oil, so that the temperature sensitivity is low, the compatibility is good, an oil-film-like net-shaped structure is easily formed in the mixed material, and the toughness and the temperature resistance of the chlorinated polyethylene plastic pipe are improved, according to the invention, the nano calcium carbonate is added into the plastic pipe, is interlaced with the cross-linked network structure and the cured network structure in the granulationmolding process, and develops stereoscopically under the action of the nano calcium carbonate three-dimensional skeleton, so that the acceleration effect on the plastic is obvious, the tensile strength of the plastic is improved, the brittleness resistance of the plastic at low temperature is enhanced, and the cold resistance of the plastic pipe is improved.

Description

technical field [0001] The invention belongs to the technical field of plastics, in particular to a roof-shaped mixing unit plastic hose and a preparation method thereof. Background technique [0002] Compared with traditional cast iron pipes, galvanized steel pipes, cement pipes and other pipes, plastic pipes have the advantages of energy saving, environmental protection, light weight and high strength, corrosion resistance, smooth inner wall without scaling, easy construction and maintenance, and long service life. Widely used in building water supply and drainage, urban and rural water supply and drainage, city gas, electric power and optical cable sheathing, industrial fluid transportation, agricultural irrigation and other construction, municipal, industrial and agricultural fields. At present, the main plastic pipes include UPVC drainage pipes, UPVC water supply pipes, aluminum-plastic composite pipes, polyethylene (PE) water supply pipes, polypropylene PPR hot water p...

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Problems solved by technology

[0003] For example, the patent application number (CN201810381754.4) discloses a PVC plastic pipe and its preparation method, including PVC resin, phenolic resin, modified liquid, nitrile rubber, silicon carbide fiber, aramid fiber, shell powder, nano calcium carbonate, Plasticizers, coupling agents, modification aids, processing aids and stabilizers, the patent has a limited degree of modification to the molecular structure of PVC pipes, and the strengthening effect of PVC pipes is easily restricted and affected by the processing environment and methods , the existing plastic hose has the following deficiencies in the preparation process:

[0004] 1. The processing of the raw materials in the preparation process of the existing plastic hose is usually to put all the raw materials into the mixer at the same time for mixing and stirring. The mixing of raw materials is not uniform enough, and the dispersion of raw materials is poor, resulting in poor extrusion quality of plastic hoses.

[0005] 2. The existing mixers are usually vertical mixers or horizontal mixers. Not only the mixing time is long, but also the mixing cost is high. At the same time, there is a mixing dead angle in the mixing process that affects the mixing quality of the raw materials, and the raw materials are mixed. There are problems such as difficulty in discharging materials;

[0006] 3. Due to the poor physical and chemical properties of the existing plastic hoses such as strength, toughness, and oxidation resistance, plastic hoses are prone to aging, deformation, and rupture, which increases the cost of using plastic hoses

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