Device for continuously preparing high-purity polyisophthaloyl metaphenylene diamine resin solution

A technology of polym-phenylene isophthalamide and isophthaloyl chloride, which is applied in the direction of feeding device, chemical/physical/physical chemical fixed reactor, chemical/physical/physical chemical process, etc., can solve the problem of Corrosion, narrow molecular weight distribution of polym-phenylene isophthalamide polymer, large engineering investment, etc.

Active Publication Date: 2016-11-09
SHANGHAI HUIBO NEW MATERIAL SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method can meet the mixing requirements of different stages of polymerization and solve the problem of difficult heat dissipation. The polym-phenylene isophthalamide polymer prepared by continuous production has a narrow molecular weight distribution and a stable logarithmic viscosity. More than /g, it can meet the continuous and stable spinning requirements of polym-phenylene isophthalamide fiber; because the HCl produced in the reaction p

Method used

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  • Device for continuously preparing high-purity polyisophthaloyl metaphenylene diamine resin solution
  • Device for continuously preparing high-purity polyisophthaloyl metaphenylene diamine resin solution
  • Device for continuously preparing high-purity polyisophthaloyl metaphenylene diamine resin solution

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Embodiment Construction

[0016] The first embodiment of the present invention is as figure 1 shown. The device includes solvent metering delivery system, m-phenylenediamine metering delivery system, isophthaloyl chloride metering delivery system, twin-screw mixer 13, polymerization reactor 15 and resin solution storage tank 18, etc.; solvent metering delivery system includes solvent storage tank 1. Solvent delivery pump 3 and solvent mass flowmeter 5; m-phenylenediamine metering delivery system includes m-phenylenediamine storage tank 2, m-phenylenediamine delivery pump 4 and m-phenylenediamine mass flowmeter 6; m-phenylenediamine The acid chloride metering delivery system comprises an isophthaloyl chloride storage tank 9, an isophthaloyl chloride delivery pump 10 and an isophthaloyl chloride mass flowmeter 11; their connection relationship is: the output port of the solvent storage tank 1 and the solvent delivery pump 3 is connected to the input port, the output port of the solvent delivery pump 3 i...

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Abstract

The invention relates to a device for continuously preparing a high-purity polyisophthaloyl metaphenylene diamine resin solution. The device comprises a solvent metering conveying system, an m-phenylenediamine metering conveying system, an m-phthaloyl chloride metering conveying system, a double-screw mixer and a polymerization reactor, wherein the double-screw mixer is cooperated with the polymerization reactor for use; the polymerization reactor adopts a mode that materials are fed from the bottom and discharged from the upper side part; the investment cost of equipment is reduced; the polyisophthaloyl metaphenylene diamine resin solution with uniform viscosity can be continuously prepared.

Description

technical field [0001] The utility model belongs to the field of chemical machinery and relates to polymer material production equipment. Specifically, it relates to a device suitable for industrial continuous preparation of high-purity polym-phenylene isophthalamide resin solution. Background technique [0002] Poly-m-phenylene isophthalamide is also called meta-aramid fiber or aramid fiber 1313. Meta-aramid fiber is one of the fastest-growing varieties of high-performance fibers today. It is a high-tech fiber with excellent comprehensive properties. It is widely used in protective clothing, honeycomb structure materials, electrical insulating paper and high-temperature filter materials, and is an important basic material in the fields of aerospace, electronics, communications, environmental protection, petrochemicals, marine development and special clothing. [0003] High-quality polym-phenylene isophthalamide polymer is an important prerequisite for preparing high-qualit...

Claims

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Application Information

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IPC IPC(8): B01J19/18B01J19/02B01J4/02B01J4/00C08G69/32C08G69/26
CPCB01J4/001B01J4/02B01J19/0053B01J19/0066B01J19/02B01J19/18B01J2204/002B01J2219/00033B01J2219/0213B01J2219/0245B01J2219/0277B01J2219/0286B01J2219/185C08G69/26C08G69/32
Inventor 刘岳新罗丹龚勇明罗建业胡艳君
Owner SHANGHAI HUIBO NEW MATERIAL SCI & TECH
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