Wear-resistant polyurethane insulating nanomaterial

A technology of thermal insulation material and polyurethane, applied in the field of thermal insulation materials, can solve problems such as the destruction of the atmospheric ozone layer, and achieve the effects of low cost, light weight and good thermal insulation effect

Inactive Publication Date: 2016-11-16
NANNING KEYU ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In polyurethane rigid foam, the commonly used blowing agent is chlorofluorocarbon (CFC) blowing agent, but because chlorofluorocarbon (CFC) blowing agent has a destructive effect on the atmospheric ozone layer, in order to maintain the ecological environment, international conventions have already made it Strict restrictions and regulations have been imposed on the production and use of

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A nano wear-resistant polyurethane thermal insulation material, made of foamed raw materials with the following proportions by weight:

[0023] 60kg of 2,6-toluene diisocyanate, 30kg of polyether polyol, 2kg of nano silicon oxide, 1 kg of nano zinc oxide, 1 kg of catalyst, 1 kg of flame retardant, 0.5 kg of blowing agent, 3 kg of silicone oil, and 10 kg of deionized water.

[0024] The polyether polyol includes glycerol polyether and ethylenediamine polyether, the mass ratio is 2:1, the molecular weight is 3000, the hydroxyl value is 400 mgKOH / g, and the average functionality is 4.

[0025] The catalyst is N,N-dimethylcyclohexylamine.

[0026] The flame retardant is ammonium dihydrogen phosphate.

[0027] The blowing agent is trichlorofluoromethane.

[0028] The method for preparing and using the above-mentioned nano wear-resistant polyurethane insulation material comprises the following steps:

[0029] (1) According to the mass ratio of the above-mentioned raw mater...

Embodiment 2

[0034] A nano wear-resistant polyurethane thermal insulation material, made of foamed raw materials with the following proportions by weight:

[0035] 70kg of 2,6-toluene diisocyanate, 35kg of polyether polyol, 3kg of nano-silicon oxide, 2kg of nano-zinc oxide, 2kg of catalyst, 2kg of flame retardant, 0.8kg of foaming agent, 4kg of silicone oil, and 11kg of deionized water.

[0036] The polyether polyol includes glycerol polyether and ethylenediamine polyether, the mass ratio is 2:1, the molecular weight is 3500, the hydroxyl value is 450 mgKOH / g, and the average functionality is 4.5.

[0037] The catalyst is N,N-dimethylcyclohexylamine.

[0038] The flame retardant is ammonium dihydrogen phosphate.

[0039] The blowing agent is trichlorofluoromethane.

[0040] The preparation method of the above-mentioned nano wear-resistant polyurethane insulation material comprises the following steps:

[0041] (1) According to the mass ratio of the above-mentioned raw materials;

[004...

Embodiment 3

[0046] A nano wear-resistant polyurethane thermal insulation material, made of foamed raw materials with the following proportions by weight:

[0047] 80kg of 2,6-toluene diisocyanate, 40kg of polyether polyol, 4kg of nano-silicon oxide, 3kg of nano-zinc oxide, 3kg of catalyst, 3kg of flame retardant, 1kg of foaming agent, 5kg of silicone oil, and 12kg of deionized water.

[0048] The polyether polyol includes glycerol polyether and ethylenediamine polyether, the mass ratio is 2:1, the molecular weight is 4000, the hydroxyl value is 500 mgKOH / g, and the average functionality is 5.

[0049] The catalyst is N,N-dimethylcyclohexylamine.

[0050] The flame retardant is ammonium dihydrogen phosphate.

[0051] The blowing agent is trichlorofluoromethane.

[0052] The preparation method of the above-mentioned nano wear-resistant polyurethane insulation material comprises the following steps:

[0053] (1) According to the mass ratio of the above-mentioned raw materials;

[0054] (...

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Abstract

The invention discloses a nano wear-resistant polyurethane thermal insulation material, which is made by foaming the following raw materials in proportion by weight: 60-80 parts of 2,6-toluene diisocyanate, 30-40 parts of polyether polyol, and nano silicon oxide 2-4 parts, 1-3 parts of nano zinc oxide, 1-3 parts of catalyst, 1-3 parts of flame retardant, 0.5-1 part of foaming agent, 3-5 parts of silicone oil, 10-12 parts of deionized water. The nano wear-resistant polyurethane insulation material of the present invention has high strength, light weight, low thermal conductivity, good dimensional stability, good heat insulation effect, good wear resistance and corrosion resistance, and has high-efficiency flame retardancy; and does not use chlorofluorocarbons (CFCs), Energy saving and environmental protection; at the same time, nano-silicon oxide and nano-zinc oxide are added to enhance the wear resistance and bond strength. In addition, the preparation process of the present invention is simple, low in cost, low in equipment requirements, environmentally friendly in the production process, easy in industrialized production, and suitable for wide application.

Description

technical field [0001] The invention relates to the technical field of thermal insulation materials, in particular to a nano wear-resistant polyurethane thermal insulation material. Background technique [0002] Ordinary polyurethane insulation materials generally use polyether polyols with high functionality and high hydroxyl value to react with polyisocyanates to form cross-linked polymers. At present, polyurethane is used as insulation material, and its production volume is increasing. It has the advantages of high hardness, high compressive strength, good dimensional stability, light weight, low thermal conductivity, closed cell rate of more than 95%, and good anti-corrosion and wear resistance. It has a wide range of uses, and compared with other foam plastics, it also has the characteristics of non-toxic, odor-free, and temperature-resistant. At the same time, it has strong adhesion to metal, concrete, brick, stone, wood, glass, etc. [0003] In polyurethane rigid fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G18/48C08G18/50C08K3/36C08K3/22C08K3/32C08J9/14C08G101/00
CPCC08G18/4804C08G18/4829C08G18/5021C08G2101/00C08J9/147C08J2203/144C08J2205/052C08J2375/08C08K3/22C08K3/32C08K3/36C08K2003/2296C08K2201/011
Inventor 梁洪方金建荣黄可煜马付杰陈会杰刘建麟莫小青李光明张立颖谢彤
Owner NANNING KEYU ENERGY TECH CO LTD
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