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Production method of ABS composite powder additive

A production method and composite powder technology, which is applied in the production field of ABS composite powder additives, can solve problems such as easy deviation of proportioning accuracy and complicated operation, and achieve reduced operation quota, good dispersion uniformity, and reduced waste times The effect of product rate

Inactive Publication Date: 2021-04-06
无锡弘润森化工科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The technical problem to be solved by the present invention is to overcome the defects in the prior art that the auxiliary agents for ABS resin mixing are complicated to weigh and feed separately, and the proportioning accuracy is easy to deviate, and provide a method that uniformly mixes the three auxiliary agents of EBS, SPEP, and MAGST. Production method of mixed and formed ABS composite powder additive

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] A kind of production method of ABS mixing compound auxiliary agent, the steps are as follows:

[0042] (1) Powder vacuum feeding

[0043] The three kinds of additives, EBS 700kg, SPEP 150kg, and MAGST 150kg, are respectively sucked into the filter through the powder vacuum feeder, and then entered into the three buffer bins of A\B\C respectively.

[0044](2) Powder weight loss flow measurement and powder transportation

[0045] According to step (1), the three additives put into the buffer silo enter into the three feeding silos of the extruder A\B\C through their respective discharge valves, and then pass through the three weight loss scales of A\B\C respectively. After accurate metering, according to a certain flow rate, through the screw conveyor, respectively into the screw extruder.

[0046] (3) Mixing and extrusion

[0047] According to step (2), the above three additives are measured by weight loss, and then enter the same twin-screw extruder through the screw...

Embodiment 2

[0056] A kind of production method of ABS mixing compound auxiliary agent, the steps are as follows:

[0057] (1) Powder vacuum feeding

[0058] The three additives, EBS 580kg, SPEP 280kg, and MAGST 140kg, are respectively sucked into the filter through the powder vacuum feeder, and then entered into the three buffer bins of A\B\C respectively.

[0059] (2) Powder weight loss flow measurement and powder transportation

[0060] According to step (1), the three additives put into the buffer silo enter into the three feeding silos of the extruder A\B\C through their respective discharge valves, and then pass through the three weight loss scales of A\B\C respectively. After accurate metering, according to a certain flow rate, through the screw conveyor, respectively into the screw extruder.

[0061] (3) Mixing and extrusion

[0062] According to step (2), the above three additives are measured by weight loss, and then enter the same twin-screw extruder through the screw conveyo...

Embodiment 3

[0071] A kind of production method of ABS mixing compound auxiliary agent, the steps are as follows:

[0072] (1) Powder vacuum feeding

[0073] The three kinds of additives, EBS 800kg, SPEP 100kg, and MAGST 100kg, are respectively sucked into the filter through the powder vacuum feeder, and then entered into the three buffer silos of A\B\C respectively.

[0074] (2) Powder weight loss flow measurement and powder transportation

[0075] According to step (1), the three additives put into the buffer silo enter into the three feeding silos of the extruder A\B\C through their respective discharge valves, and then pass through the three weight loss scales of A\B\C respectively. After accurate metering, according to a certain flow rate, through the screw conveyor, respectively into the screw extruder.

[0076] (3) Mixing and extrusion

[0077] According to step (2), the above three additives are measured by weight loss, and then enter the same twin-screw extruder through the scr...

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PUM

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Abstract

The invention discloses a production method of an ABS composite powder additive. The production method comprises the process steps of vacuum powder feeding, powder weightlessness flow metering and powder conveying, mixing and extrusion, air cooling, pelletizing and screening, air conveying, storage and packaging. The dispersion uniformity of the obtained additive in an ABS product is relatively better, the defective rate of an ABS device is reduced, the ABS device can realize automatic vacuum feeding of the powder additive, , and various properties of the ABS product prepared by mixing the composite additive with ABS powder and SAN for granulation are greatly improved.

Description

technical field [0001] The invention relates to an auxiliary agent for ABS resin mixing, in particular to a production method of an ABS composite powder auxiliary agent. Background technique [0002] In ABS production, ABS resin and SAN resin need to be mixed. Before ABS resin and SAN resin are mixed, ethylene bis stearamide (hereinafter referred to as EBS), phosphite antioxidant (hereinafter referred to as SPEP), After auxiliary agents such as magnesium stearate (hereinafter referred to as MAGST) and ABS resin and SAN resin carry out simple physical mixing, add in ABS resin and SAN resin according to certain ratio, there is following problem in the production technology of prior art: [0003] (1) Magnesium stearate (MAGST) needs to be conveyed to the silo by air conveying and materials such as ABS and SAN after feeding. The magnesium stearate particles are fine, and the material loss is large during the air conveying process (partially enters the dust collector), resulting ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29B7/02B29B7/24B29B9/06B29B13/04B29B13/10C08L55/02C08K5/20C08K5/098C08K5/524
CPCB29B7/02B29B7/24B29B9/06B29B13/045B29B13/10C08K5/098C08K5/20C08K5/524C08L55/02
Inventor 不公告发明人
Owner 无锡弘润森化工科技有限公司
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