A kind of high-density polyethylene and pet alloy pipe and preparation method thereof

A high-density polyethylene and alloy pipe technology, which is applied in the field of plastic pipe processing, can solve the problems of pipes that cannot be welded, poor rigidity and dimensional stability, poor weldability and toughness, etc., to reduce and eliminate quality accidents, expand use occasions, The effect of reducing material flow resistance
CN104151670BInactive Publication Date: 2017-01-04FUJIAN BODA PLASTIC IND NEW MATERIAL
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
FUJIAN BODA PLASTIC IND NEW MATERIAL
Publication Date
2017-01-04
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to the field of plastic pipe processing, in particular to a high-density polyethylene and PET alloy pipe and a preparation method thereof. The composition formula of the alloy pipe by weight includes 100 parts of PE100 and 20-50 parts of PET, corresponding to 5-8 parts of compatibilizer, 10-25 parts of reinforcing agent, 0.2-1.0 parts of processing aid, 0.8-1.5 parts of concentrated color masterbatch; at the same time, its preparation method is disclosed, which is to carry out compatibilization and blending of PET and high-density polyethylene Modification, and according to the above-mentioned scientific component formula, high-density polyethylene and PET alloy pipes are obtained by weighing raw materials, kneading technology, extrusion molding and other processes, thereby improving the strength, modulus, surface hardness, and durability of pipe products. Heat resistance, wear resistance and fatigue resistance make pipeline products more suitable for fields such as trenchless technology, broaden the application occasions of pipeline products, and reduce and eliminate the occurrence of quality accidents.
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Description

technical field

[0001] The invention relates to the field of plastic pipe processing, in particular to a high-density polyethylene and PET alloy pipe used in the field of trenchless technology and a preparation method thereof.

[0002] technical background

[0003] High-density polyethylene is a high-crystallinity, non-polar thermoplastic resin with a crystallinity of 80-90%. High-density polyethylene resin is non-toxic, tasteless and odorless white particles, which can be used for extrusion molding of drinking water pipes. Its melting point is about 130°C, and its relative density is 0.941-0.960. High-density polyethylene has good cold resistance, good toughness, good chemical stability, good dielectric properties, and environmental stress cracking resistance. The melting temperature range of high-density polyethylene is between 200-250 ° C, and the processing fluidity is good. It has good chemical stability, is insoluble in any organic solvent at room temperature, and is...

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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