Preparation method of special material for plastic pipe material produced by one-step chain extension hybrid polyethylene regeneration

A technology of plastic pipes and polyethylene, which is applied in the field of preparation of special materials for plastic pipes made from polyethylene regeneration, can solve the problems of unreachable mechanical properties and melt index, influence of recycled materials performance, and few fields for recycling, etc., and achieve various The effect of excellent performance, easy control, and lower melt index
CN106995575BActive Publication Date: 2019-04-19HUBEI UNIV OF TECH +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HUBEI UNIV OF TECH
Publication Date
2019-04-19

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Abstract

The invention discloses a preparation method of a special material for a polyethylene regenerated manufacturing plastic pipe by chain extending and mixing through a one-step method, which solves the problems of high regeneration cost, complicated technology and poor property in the existing polyethylene regenerated manufacturing plastic pipe. The preparation method adopts the technical scheme that oil pot recycling resin, barrel recycling resin, thin film recycling resin, slat floating polyethylene recycling resin, a comonomer, an active dispersant, an initiator, glycidyl methacrylate, a regulator and an antioxidant are used as raw materials, and are subjected to chain extension and modification through the one-step method. The preparation method has the advantages that the technology is simple, the cost is low, the property requirement is met, and the recycling of low-quality recycling material is promoted.
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Description

technical field

[0001] The invention relates to the field of environmental protection regeneration, in particular to a method for preparing special materials for polyethylene regeneration to manufacture plastic pipes. Background technique

[0002] As the most important general-purpose plastic, polyethylene (PE) has an extremely wide range of uses and a huge domestic consumption. Due to the wide variety of polyethylene and various modified polyethylenes entering the market, various additives such as antioxidants, colorants, fillers, and flame retardants will be added to polyethylene products with different performance requirements during the production process. etc., and some different types of resins, such as polypropylene and polystyrene, may also be mixed in, which leads to different recycling costs of different polyethylene products when they are discarded and recycled, and the properties of recycled materials from different sources are different, making it difficult to b...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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