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Preparation method of polyurethane-nano kaolin composite material

A technology of nano-kaolin and composite materials, which is applied in the field of polymer composite materials to achieve the effects of excellent comprehensive performance, good fluidity and dispersibility, and excellent fluidity and dispersibility.

Inactive Publication Date: 2011-04-06
ANHUI UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems of nanoparticle dispersion, polyurethane intercalation and composite material mechanics and thermal stability in existing polyurethane-nano kaolin composite materials, the present invention adopts the organic intercalation modification method of nano kaolin, and the dispersion effect of nanoparticles is improved. Better composite material, the present invention provides a kind of preparation method of polyurethane and nano kaolin composite material that can save production cost and improve performance

Method used

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  • Preparation method of polyurethane-nano kaolin composite material
  • Preparation method of polyurethane-nano kaolin composite material

Examples

Experimental program
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Effect test

Embodiment 1

[0040] The raw materials used for preparing polypropylene glycol-1000 and nano kaolin composite are as follows:

[0041] Nano Kaolin 1 part,

[0042] 24 parts of dimethyl sulfoxide,

[0043] 4 parts methanol,

[0044] Potassium acetate 15 parts,

[0045] 25 parts of distilled water,

[0046] Polypropylene glycol-1000 25 parts;

[0047] The raw materials used to prepare the polyurethane-nano kaolin composite material are as follows:

[0048] Polypropylene Glycol-1000 and Nano Kaolin Complex 35 parts,

[0049] 20 parts of toluene diisocyanate,

[0050] Polypropylene glycol-glycerol ether-3000 17 parts,

[0051] 1,4-butanediol 5 parts,

[0052] 5 parts of 3,3'-dichloro-4,4'-diaminodiphenylmethane,

[0053] Dimethyl methyl phosphate 5 parts,

[0054] 1.2 parts of release agent,

[0055] Stannous octoate 0.1 parts,

[0056] 10 parts of dimethoxyethyl phthalate.

[0057] The preparation of polyurethane-nano kaolin composite material comprises the following steps:

[00...

Embodiment 2

[0067] The preparation of polytetrahydrofuran ether glycol-1000 and nano-kaolin composite includes the following raw materials:

[0068] Nano Kaolin 4 parts,

[0069] 20 parts of dimethyl sulfoxide,

[0070] 2 parts methanol,

[0071] 10 parts of distilled water,

[0072] 10 parts of N-methylformamide,

[0073] Polytetrahydrofuran ether glycol-1000 30 parts;

[0074] The preparation of polyurethane-nanometer kaolin composite material comprises the following raw materials:

[0075] Polytetrahydrofuran ether glycol-1000 and nano kaolin complex 40 parts,

[0076] 30 parts of diphenylmethane diisocyanate,

[0077] Polyethylene glycol-glycerol-propylene glycol ether 5 parts,

[0078] 7 parts of propylene glycol,

[0079] 3 parts of dimethylthiotoluenediamine,

[0080] 2 parts diethyl ethyl phosphate,

[0081] 1 part release agent,

[0082] 0.05 parts of dibutyltin dilaurate,

[0083] Dibutyl phthalate 15 parts.

[0084] Concrete preparation method is with embodiment 1....

Embodiment 3

[0086] The preparation of polyoxypropylene-oxyethylene ether glycol-1000 and nano kaolin composite includes the following raw materials:

[0087] Nano Kaolin 7 parts,

[0088] 27 parts of dimethyl sulfoxide,

[0089]6 parts of methanol,

[0090] 20 parts of hydrazine,

[0091] 10 parts of distilled water,

[0092] Polyoxypropylene-oxyethylene ether glycol-1000 30 parts;

[0093] The preparation of polyurethane-nanometer kaolin composite material comprises the following raw materials:

[0094] Polyoxypropylene-oxyethylene ether glycol-1000 and nano-kaolin complex 40 parts,

[0095] 30 parts of isophorone diisocyanate,

[0096] 10 parts of polyadipate-glycerol-ethylene glycol ester,

[0097] Hydroquinone-bis(β-hydroxyethyl)ether 12 parts,

[0098] 6 parts of dimethylthiochlorophenylenediamine,

[0099] 10 parts of triphenyl phosphite,

[0100] 1.5 parts of release agent,

[0101] 0.1 parts each of dibutyltin dilaurate and stannous octoate.

[0102] Concrete preparati...

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Abstract

The invention relates to a preparation method of a polyurethane-nano kaolin composite material. The composite material mainly comprises polyurethane and nano kaolin. The preparation method is as follows: firstly, carrying out organic intercalation modification on the nano kaolin to obtain organically modified nano kaolin with larger interlamellar spacing; and then using a body-(in-situ) intercalative polymerization method to prepare the polyurethane-nano kaolin composite material. The preparation method is characterized in that the nano kaolin with lower price and better performance is utilized, the composite material is a novel efficient halogen-free retardant agent, and no benzene, toluene, N,N'-dimethyl formamide, ethyl acetate and other harmful solvents are used, therefore environmental requirements are met. By adding a small amount of kaolin, the mechanical property, heat insulation performance and heat resistance of the polyurethane elastomer can be significantly improved. In addition, the material has simple preparation process, low cost and excellent integrated performance, and can be widely applied to mining equipment, sports equipment, area pavement materials and other industries, thereby having wide market prospects.

Description

technical field [0001] The invention belongs to the technical field of polymer composite materials, and in particular relates to the modification of nano-kaolin, polyurethane-nano-kaolin composite material and a preparation method. Background technique [0002] Polyurethane elastomer has high wear resistance, high load, high tear strength and excellent low temperature resistance, oil resistance, ozone resistance and other properties, and because of the variety of raw materials and the adjustable molecular structure, it is widely used in Industry, agriculture, national defense technology and other fields. However, due to the poor heat resistance and weather resistance of polyurethane, the antistatic property is poor, which affects its wider application. In response to these deficiencies in performance, some researchers have modified it with silicone, organic fluorine, acrylate, epoxy resin, and blending with plastics, but the effect is not very satisfactory. Because nanopar...

Claims

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Application Information

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IPC IPC(8): C08G18/48C08G18/42C08K13/06C08K3/34C08K5/521C08K5/526C08K3/32C08K5/12C08L75/06C08L75/08C09C1/28C09C3/08C09C3/10
Inventor 杨建军吴庆云吴明元张建安孙家干
Owner ANHUI UNIVERSITY
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