Anti-frost-crack hard downpipe and processing technology thereof

Abstract

The invention discloses an anti-frost-cracking hard downpipe and a processing technology thereof. The anti-frost-cracking hard downpipe comprises an inner pipeline layer and an outer composite coating; the inner pipeline layer is prepared from, by weight, 90 parts of PVC resin, 25 parts of PVDF resin, 5 parts of triphenyl phosphite, 5 parts of vinyl tert-butyl triperoxide silane, 2 parts of zinc oxide nanoparticles, 2 parts of aluminum nitride nanoparticles and 2 parts of silver nanowires. The outer composite coating is uniformly attached to the inner pipeline layer, and the anti-frost-crack hard downpipe is manufactured according to different functions of the outer composite coating and the inner pipeline layer, so that the anti-frost-crack hard downpipe has the characteristics of excellent low temperature resistance, ageing resistance and high strength; and the inner pipeline layer is evenly coated with the outer coating, and the clamping distance can be adjusted at will according tothe inner pipeline layers different in size, length and size to meet the coating requirement, so the situation that the inner pipeline layers deviate and incline obliquely is avoided, and the coatinguniformity and the machining quality of the whole pipeline are improved.

Description

technical field [0001] The invention relates to the technical field of downspouts, in particular to an antifreeze crack hard downspout and its processing technology. Background technique [0002] The downspout is mainly used to collect rainwater from the roof and drain it to the rainwater pipes laid on the ground; the downspout can be divided into metal pipes, plastic pipes and composite pipes according to the material. [0003] Moreover, the existing downspout and its processing technology are difficult to evenly coat the external paint on the downspout, and the clamping distance can be adjusted at will for downspouts of different sizes, lengths and sizes to meet the coating requirements, so as to avoid downspouts Misalignment and inclination occur to improve the uniformity of the external coating and the processing quality of the downpipe; [0004] For the above problems, the solutions are now provided. Contents of the invention [0005] The purpose of the present inve...

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Problems solved by technology

[0003] Moreover, the existing downspout and its processing technology are difficult to evenly coat the external paint on the downspout, and the clamping distance can be adjusted at will for downspouts of different sizes, lengths and sizes to meet the coating requirements, so as to avoid downspouts Misalignment and inclination occur to improve the uniformity of the external coating and the processing quality of the downpipe;

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