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One-step in-situ organically modified zirconium phosphate/cast nylon nanocomposite material and preparation method thereof

A nano-composite material and casting nylon technology are applied in the field of one-step in-situ organically modified zirconium phosphate/cast nylon nano-composite materials and their preparation, which can solve the problems of non-uniform dispersion, high energy consumption and high cost, and save cleaning and drying, improve barrier properties, improve the effect of heat resistance

Active Publication Date: 2021-01-22
HUNAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of the shortcomings of the above-mentioned prior art, it overcomes the agglomeration of organic zirconium phosphate, which cannot be uniformly dispersed in the cast nylon monomer, and the zirconium phosphate modified by the quaternary ammonium salt inhibits the polymerization of the cast nylon system, and the organic modification method of zirconium phosphate has complicated procedures and energy consumption. Disadvantages of large size, high cost and low efficiency

Method used

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  • One-step in-situ organically modified zirconium phosphate/cast nylon nanocomposite material and preparation method thereof
  • One-step in-situ organically modified zirconium phosphate/cast nylon nanocomposite material and preparation method thereof
  • One-step in-situ organically modified zirconium phosphate/cast nylon nanocomposite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] (1) One-step in-situ organically modified zirconium phosphate / cast nylon nanocomposite material, prepared by the following raw materials in parts by weight:

[0051] Amide monomer 100 parts,

[0052] 0.5 parts of catalyst,

[0053] 10 parts of promoter,

[0054] 2 parts zirconium phosphate,

[0055] 40 parts of pre-intercalation agent,

[0056] 2 parts of organic modifier. Among them, the amide monomer is caprolactam, the catalyst is sodium hydroxide, the cocatalyst is MDI, the zirconium phosphate is α-zirconium phosphate, the pre-intercalation agent is water, and the organic modifier is KH550.

[0057] (2) The preparation method of one-step in-situ organically modified zirconium phosphate / cast nylon nanocomposite material, comprises the following steps:

[0058] S1. Divide the amide monomer into two parts, the ratio of parts by weight is 80:20;

[0059] S2. Reactor A, add 80 parts by weight of caprolactam, then add 2 parts by weight of zirconium phosphate and 40 ...

Embodiment 2

[0063] (1) One-step in-situ organically modified zirconium phosphate / cast nylon nanocomposite material, prepared by the following raw materials in parts by weight:

[0064] Amide monomer 100 parts,

[0065] 0.8 parts of catalyst,

[0066] 15 parts of promoter,

[0067] 4 parts zirconium phosphate,

[0068] 80 parts of pre-intercalation agent,

[0069] 4 parts of organic modifier. Among them, the amide monomer is a compound of 60 parts of caprolactam and 20 parts of laurolactam, the catalyst is sodium hydroxide, the cocatalyst is TDI, the zirconium phosphate is zirconium phosphate from which crystal water has been removed, the pre-intercalation agent is ethanol, and the organic modified The active agent is KH560.

[0070] (2) The preparation method of one-step in-situ organically modified zirconium phosphate / cast nylon nanocomposite material, comprises the following steps:

[0071] S1. Divide the amide monomer into two parts, the ratio of parts by weight is 80:20;

[007...

Embodiment 3

[0076] (1) One-step in-situ organically modified zirconium phosphate / cast nylon nanocomposite material, prepared by the following raw materials in parts by weight:

[0077] Amide monomer 100 parts,

[0078] 0.5 parts of catalyst,

[0079] 10 parts of promoter,

[0080] 8 parts of zirconium phosphate,

[0081] 160 parts of pre-intercalation agent,

[0082] 20 parts of organic modifier. Among them, the amide monomer is caprolactam, the catalyst is sodium hydroxide, the cocatalyst is HDI, the zirconium phosphate is silver-loaded zirconium phosphate, the pre-intercalation agent is DMAC, and the organic modifier is HDI.

[0083] (2) The preparation method of one-step in-situ organically modified zirconium phosphate / cast nylon nanocomposite material, comprises the following steps:

[0084] S1. Divide the amide monomer into two parts, the ratio of parts by weight is 80:20;

[0085] S2. Reactor A, add 60 parts by weight of caprolactam, then add 8 parts by weight of zirconium pho...

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Abstract

The invention discloses a one-step-process in-situ organically modified zirconium phosphate / casting nylon nano composite material and a preparation method thereof. The nano composite material is prepared from the following raw materials in parts by weight: 100 parts of an amide monomer, 0.1 to 20 parts of a catalyst, 0.1 to 20 parts of a co-catalyst, 0.1 to 20 parts of zirconium phosphate, 0.1 to400 parts of a pre-intercalation agent and 0.1 to 40 parts of an organic modifier. According to the nano composite material disclosed by the invention, disadvantages that organic zirconium phosphate is agglomerated and cannot be uniformly dispersed in a casting nylon monomer, quaternary ammonium salt modified zirconium phosphate inhibits polymerization of a casting nylon system and a zirconium phosphate organic modification method has the defects of complicated procedures, great energy consumption, high cost and low efficiency are solved. The nano composite material has the advantages that themolding shrinkage of casting nylon is greatly reduced and the heat resisting performance is high; the zirconium phosphate is preferred and different functions of the composite material are realized;the application field of the composite material is expanded and the composite material has a wide commercial prospect.

Description

technical field [0001] The invention relates to a casting nylon nanocomposite material, more specifically, to a one-step in-situ organically modified zirconium phosphate / casting nylon nanocomposite material and a preparation method thereof. Background technique [0002] Zirconium phosphate compounds are a class of multifunctional materials developed in recent years, in which crystalline zirconium phosphate is α-zirconium phosphate (α-Zr(HPO) containing one molecule of crystal water 4 ) 2 h 2 O, abbreviated as α-ZrP is the most representative. α-ZrP is a cationic layered compound with strong ion exchange capacity. When some guests such as ions, molecules or atoms are inserted between the layers, the corresponding α-ZrP layered compound can be formed. People have synthesized a large number of α-ZrP derivatives by using intercalation or organic treatment. These derivatives are multifunctional materials and have application value in many fields. [0003] The research on zirc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G69/16C08G69/20C08G69/48C08L77/02C08K9/02C08K7/00
CPCC08G69/16C08G69/20C08G69/48C08K7/00C08K9/02C08K2201/011C08L2201/08C08L77/02
Inventor 赖登旺李玉华刘跃军李笃信姜其斌刘爱学郑梯和杨军
Owner HUNAN UNIV OF TECH
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