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Composite mixture and preparation method thereof

A technology of composite materials and mixtures, applied in the direction of mechanical equipment, rigid pipes, pipes/pipe joints/pipe fittings, etc.

Inactive Publication Date: 2011-08-17
QINGDAO ZHIYUAN PAKE PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Therefore, it is currently not possible to find a good way to mix polyethylene terephthalate (PET) with polyethylene (PE)

Method used

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  • Composite mixture and preparation method thereof
  • Composite mixture and preparation method thereof
  • Composite mixture and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] After putting 120kg of polyethylene terephthalate (PET) printed single film into the machine pot of the chemical fiber high-speed granulator HR-450, during the stirring process, the high-speed rotating blade and the fixed The shearing action of the blade makes the polyethylene terephthalate (PET) printed single film quickly cut into pieces, and the chopped polyethylene terephthalate (PET) printed single film is placed on the chemical fiber Under the action of the centrifugal force of the rotary cutter disc of the type high-speed granulator, it flows along the wall surface of the pot body, and at the same time, the material is turned up and down by the pulping action, and moves from the surrounding to the center of the pot body. (PET) The friction between the fragments of the printed single film and the friction with the pot wall and the blade of the chemical fiber type high-speed granulator generates a lot of frictional heat, so that the polyethylene terephthalate (PET) ...

Embodiment 2

[0063] 200kg of high-density polyethylene (HDPE) blow-molding grade return material is manually cleaned by a water gun and put into the crusher. The material is quickly rotated by the three moving knives and two fixed knives of the crusher in the crusher, and the HDPE is blown The plastic-grade recycled material is cut into small pieces of different sizes, and then the broken material is filtered through the sieve under the crusher to obtain 200kg of particles of the same size.

Embodiment 3

[0065] 20kg polyethylene terephthalate (PET) granule 1 prepared by embodiment 1, 60kg high-density polyethylene (HDPE) blow molding grade return granule 1 prepared by embodiment 2, compatibilizer fusabond E MB100D / Elvaloy PTW (produced by U.S. DuPont) 5kg, impact modifier SEBS FG1924X (produced by Kraton company) 4kg, tackifier PR-4370 (produced by BASF company) 0.3kg are placed in high-speed mixer 300L and stirred, wherein the temperature of the pot machine Mixture 1 was prepared at 80°C, stirring speed 735r / min, and stirring time 10min.

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Abstract

The invention provides a composite mixture and a preparation method thereof. The composite mixture comprises the following components in parts by weight: 60-80 parts of polyethylene (PE), 20-40 parts of polyethylene terephthalate (PET), 0.1-0.5 part of tackifier, 4-8 parts of impact modifier and 5-10 parts of compatilizer. Because the new compatilizer is adopted to make the PE and the PET compatible with each other, the problem that interfaces are incompatible is solved, and the mechanical properties of the prepared composite mixture are far better than those of the PE and the PET; in addition, the tensile strength of the prepared composite mixture is improved by 40%, the flexural modulus is improved by 200%, and the impact performance is kept unchanged compared with those of the high-density polyethylene (HDPE) pipe material; and moreover, the developed material specially used for making the drain pipe has lower cost than the original formula for making the drain pipe, and the ring stiffness of the product is improved by 40%.

Description

technical field [0001] The invention relates to a composite material mixture and a preparation method thereof, in particular to a composite material mixture for preparing drainage pipes and a preparation method thereof. Background technique [0002] Polyethylene terephthalate (PET) and polyethylene (PE), as the main packaging materials, are widely used in the manufacture of films, plastic containers, etc., 80% of polyethylene (PE) and polyethylene terephthalate Alcohol ester (PET) packaging products are discarded within one year. [0003] According to relevant information, from 2008 to 2012, my country estimates that 200 billion yuan will be invested in the improvement of sewage treatment pipe network. In 2010, it is planned that 30% of reclaimed water will be used for sewage recycling, and special pipelines need to be laid. It is also necessary to increase the design of the reclaimed water pipe network for sewage reuse in the building. The cement pipes in the sewage pipe...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L67/02C08L53/02B29B9/06B29C47/00F16L9/12
Inventor 程伍季铉颖杨立君田鸣
Owner QINGDAO ZHIYUAN PAKE PLASTICS
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