Auxiliary agent adding device and auxiliary agent adding process for polycarbonate

A polycarbonate and adding device technology, applied in the field of polycarbonate processing, can solve the problems of affecting product quality, easy to agglomerate, difficult to disperse evenly, etc., to achieve good quality and performance, increase flow efficiency, and dissolve efficiency. best results

Active Publication Date: 2020-12-08
LIAOCHENG LUXI POLYCARBONATE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] During the processing of polycarbonate, some additives such as antioxidants, mold release agents, and toners are usually added during the melt extrusion process. These additives are directly added to the polycarbonate melt, which is difficult to disperse evenly and is easy to Caking, affecting product quality

Method used

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  • Auxiliary agent adding device and auxiliary agent adding process for polycarbonate

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Embodiment approach

[0031] As mentioned in the background technology, in the process of producing polycarbonate, accelerating the melting of additives while ensuring the quality of polycarbonate products is a technical problem that needs to be solved urgently. To solve this technical problem, the present invention provides a The additive adding device and adding process of polycarbonate.

[0032] In one embodiment of the present invention, a polycarbonate additive adding device is provided, including a mixing preparation tank, a liquid storage tank, a pumping pump, and a delivery pipe, wherein the delivery pipe connects the mixing preparation tank, the liquid storage tank and the pumping The feed pumps are connected sequentially; the outside of the mixing preparation tank is provided with a steam heating jacket, and the top of the mixing preparation tank is provided with a feed hopper, and the pump is connected to the discharge port of the mixing preparation tank;

[0033] A circulation pipe is c...

Embodiment 1

[0056] A polycarbonate additive adding device, including a mixing preparation tank, a liquid storage tank, a material pump, and a delivery pipe connected in sequence through a delivery pipe, wherein the delivery pipe connects the mixing preparation tank, the liquid storage tank and the material extraction pump in sequence The outside of the mixing and preparing tank is provided with a steam heating jacket, and the top of the mixing and preparing tank is provided with a feed hopper for auxiliary agent and ESO input, and the pump is connected to the discharge port of the mixing and preparing tank, and the A liquid storage tank is attached to the extruder barrel. A circulation pipe is connected between the mixing preparation tank and the material pump, and a ball valve on the circulation pipe is installed on the circulation pipe, and a ball valve on the delivery pipe is installed on the delivery pipe between the material pump and the liquid storage tank.

Embodiment 2

[0058] A method for using an additive adding device for polycarbonate, comprising the following steps:

[0059] 1. Open the nitrogen pipeline ball valve on the nitrogen pipeline to protect the ESO prefabricated tank with nitrogen; open the steam pipeline ball valve, steam pipeline pneumatic valve and steam condensate ball valve on the steam pipeline to heat up the mixing preparation tank; open the pumping pump The heating belt of the transmission pipeline heats up the pipeline;

[0060] 2. Open the feeding hopper of the mixing preparation tank, put ESO and additives into the mixing preparation tank one after another, and obtain a mixture of additives and ESO after mixing and preparing;

[0061] 3. Stir the mixed solution obtained in step 2 while heating, and the heating temperature is maintained at 50°C; the mixing and preparation time of the additive and ESO is 2.5 hours;

[0062] 4. The auxiliary agent solution obtained in step 3 is self-circulated;

[0063] 5. Open the ou...

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Abstract

The invention discloses an auxiliary agent adding device and an auxiliary agent adding process for polycarbonate, and can solve the technical problem of accelerating the melting of an additive while ensuring the quality of a polycarbonate product. The auxiliary agent adding device for the polycarbonate comprises a mixing and preparing tank, a liquid storage tank, a material pumping pump and a conveying pipe, the mixing and preparing tank, the liquid storage tank and the material pumping pump are sequentially connected through the conveying pipe, a feeding hopper is arranged at the top of the mixing and preparing tank, the material pumping pump is connected to a discharging opening of the mixing and preparing tank, a circulating pipe is connected between the mixing and preparing tank and the material pumping pump, a circulating pipe upper ball valve is installed on the circulating pipe, and a conveying pipe upper ball valve is installed on the conveying pipe between the material pumpingpump and the liquid storage tank. The auxiliary agent adding device is simple in structure, convenient to operate, low in production cost and capable of effectively improving the auxiliary agent mixing efficiency by being combined with ESO; and meanwhile, the temperature maintaining of the ESO and time are limited in the using method of the device, and the dissolving speed of the auxiliary agentis effectively increased, so that the quality and performance of polycarbonate product are well improved through the auxiliary agent.

Description

technical field [0001] The invention relates to the technical field of polycarbonate processing, in particular to a polycarbonate additive adding device and an adding process. Background technique [0002] The information disclosed in this background section is only intended to increase the understanding of the general background of the present invention, and is not necessarily taken as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. [0003] Polycarbonate is a high molecular polymer containing carbonate groups in the molecular chain. According to the structure of the ester group, it can be divided into aliphatic, aromatic, aliphatic-aromatic and other types. Polycarbonate plastic is a plastic with polycarbonate as the main component. Polycarbonate is an amorphous polymer that turns into a transparent glass after melting and cooling, with excellent optical and mechanical properties. It ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C48/285B29C48/29B29B7/24B29B7/28B29B7/82B29K69/00
CPCB29C48/287B29C48/29B29B7/244B29B7/28B29B7/826B29K2069/00Y02P70/10
Inventor 孙彩虹姬生龙赵西宝邱幸陈义忠贺庆锐肖彦
Owner LIAOCHENG LUXI POLYCARBONATE CO LTD
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