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Mixing method for hydrolytic sensitive high polymer material and modified assistant and blender mixer

A technology of high polymer and mixer, applied in mixers, mixers, chemical instruments and methods with rotary stirring devices, etc., can solve the problems of feeding difficulties in the feeder, avoid feeding difficulties, and achieve excellent product performance. The effect of avoiding material agglomeration

Pending Publication Date: 2018-04-13
SICHUAN SUNSHINE PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a mixing method and a mixing machine for hydrolysis-sensitive polymer materials and modification additives in view of the above-mentioned problems. The present invention can avoid the agglomeration of materials in the mixing machine. In this way, it can avoid the problem of difficult feeding in the feeder of the subsequent process; it can prevent the material from absorbing moisture in the air, and make the product performance of the modified material more excellent

Method used

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  • Mixing method for hydrolytic sensitive high polymer material and modified assistant and blender mixer
  • Mixing method for hydrolytic sensitive high polymer material and modified assistant and blender mixer
  • Mixing method for hydrolytic sensitive high polymer material and modified assistant and blender mixer

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Embodiment 1

[0032] A mixing method of a hydrolysis-sensitive polymer material and a modification aid in this embodiment includes step A: adding the modification aid and a hydrolysis-sensitive polymer material with heat after drying as materials to be mixed to the mixing In the mixer, the material to be mixed is stirred and mixed through the mixing mechanism of the mixer; during the mixing and mixing process, the dry gas is passed into the mixer to replace the air in the mixer, so that the material in the mixer is in a dry state. Stirring and mixing are carried out in the atmosphere, and at the same time, the heat exchange layer of the mixer performs heat exchange with the materials in the mixer to reduce the temperature of the materials in the mixer.

[0033]When the mixing method of the present invention is used to mix the hydrolysis-sensitive polymer material and the modification additive, since the material of the mixer is stirred and mixed in a dry atmosphere, the situation that the ma...

Embodiment 2

[0039] Such as figure 1 As shown, a mixing machine for hydrolysis-sensitive polymer materials and modification additives in this embodiment includes a cylinder body 1 and a detachable cylinder head 4 assembled on the top of the cylinder body 1, and the lower part of the cylinder body 1 A discharge port 11 is provided, an air inlet 61 is provided at the lower part of the cylinder body 1, an air outlet 62 is provided on the upper side of the cylinder body 1 or / and the cylinder head 4, a heat exchange layer is arranged outside the cylinder body 1, and the cylinder body 1 is equipped with a stirring mechanism.

[0040] When adopting the mixer of the present invention to carry out the mixing operation of the hydrolysis-sensitive polymer material and the modification auxiliary agent, feed dry gas into the mixer from the air inlet 61 to replace the air in the mixer, and the air will flow from The air outlet 62 is discharged, and the cylinder head 4 is opened from the top of the cyli...

Embodiment 3

[0052] Such as figure 1 As shown, based on the combined design of the technical features of Embodiments 1 and 2, this embodiment applies the present invention to the modification of hydrolysis-sensitive polymer materials for experimental comparison. Wherein, the inner diameter D of the cylinder body 1 is 40cm, the depth H in the cylinder body 1 is 50cm, and the height h of the third temperature sensor 53 relative to the inner bottom surface of the cylinder body 1 is 25cm. At this time, the volume of the cylinder body 1 is about 60L . The discharge port 11 of the mixer is connected with the feeder of the twin-screw extruder (not shown), so as to realize the modification process of the hydrolysis-sensitive polymer material.

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Abstract

The invention discloses a mixing method and a blender mixer, in particular to the mixing method for a hydrolytic sensitive polymer material and a modified assistant and the blender mixer, and belongsto the technical field of modification of high polymer materials. The mixing method for the hydrolytic sensitive polymer material and the modified assistant comprises the following steps: taking the modified assistant and a dried hydrolytic sensitive high polymer material with heat as to-be-mixed materials; adding the to-be-mixed materials into the blender mixer, stirring and mixing the to-be-mixed materials by using a stirring mechanism of the blender mixer; in the process of stirring and mixing, introducing dry gas into the blender mixer to replace the air in the blender mixer and carrying out heat exchange on the materials and a heat-exchanging layer in the blender mixer at the same time. By adopting the mixing method disclosed by the invention, the agglomeration phenomenon of the materials in the blender mixer can be avoided, so that the problem of feeding difficulty of a feeder in the subsequent process is avoided; the condition that high-temperature materials absorb the moisturein the air can be avoided and the performance of a product prepared by modified materials is more excellent.

Description

technical field [0001] The invention relates to a mixing method and a mixing machine, in particular to a mixing method and a mixing machine of a hydrolysis-sensitive polymer material and a modification auxiliary agent, and belongs to the technical field of polymer material modification. Background technique [0002] In the field of polymer material modification, hydrolysis-sensitive polymer materials need to be dried at high temperature to remove moisture before they can be modified. In order to prevent the dried hydrolysis-sensitive polymer material from absorbing moisture in the air, the usual method is to add the thermally hydrolysis-sensitive polymer material and modification additives to the mixture as materials to be mixed. Mixing is carried out in the machine, and the discharge port of the mixer is directly connected with the feeder of the twin-screw extruder, so that the mixed material is directly transported to the twin-screw extruder through the feeder of the twin-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F7/16B01F15/00B01F15/06
CPCB01F27/11251B01F27/213B01F27/808B01F35/2115B01F35/3204B01F35/3211B01F35/45B01F35/43B01F2035/98B01F35/92B01F2101/2805
Inventor 陈双辉张志平杨强潘玉林赵海英
Owner SICHUAN SUNSHINE PLASTICS
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