Polyurethane insulation material

A thermal insulation material and polyurethane technology, which is applied in the field of thermal insulation materials, can solve the problems of atmospheric ozone layer destruction, dimensional stability, and the performance of sound insulation and heat insulation cannot meet living requirements, and achieves low cost, good thermal insulation effect, and high-efficiency flame retardant ability. Effect

Inactive Publication Date: 2016-12-14
胡国旺
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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
Today, ordinary rigid polyurethane foam (PUF) can no longer meet the requirements of life in terms of dimensional stability, sound insulation and heat insulation performance.

Method used

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  • Polyurethane insulation material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A polyurethane thermal insulation material is made by foaming raw materials in the following proportions by weight:

[0024] Diphenylmethane diisocyanate 60kg, plant fiber-based polyether polyol 40kg, vegetable oil-based polyether polyol 30kg, catalyst 1kg, organic flame retardant 1kg, blowing agent 0.5kg, silicone oil 1kg, deionized water 6kg.

[0025] The plant fiber-based polyether polyol is a polyether polyol made from agricultural and forestry waste, with a viscosity of 2800 mPa·s and an average functionality of 4.

[0026] The vegetable oil-based polyether polyol is a polyether polyol made from waste oil or non-edible oil, with a viscosity of 2800 mPa·s and an average functionality of 4.5.

[0027] The catalyst is N,N-dimethylcyclohexylamine.

[0028] The organic flame retardant is a phosphorus-nitrogen intumescent flame retardant.

[0029] The blowing agent is cyclopentane.

[0030] The preparation method of above-mentioned polyurethane insulation material com...

Embodiment 2

[0036] A polyurethane thermal insulation material is made by foaming raw materials in the following proportions by weight:

[0037] 70kg of diphenylmethane diisocyanate, 50kg of plant fiber-based polyether polyol, 40kg of vegetable oil-based polyether polyol, 2kg of catalyst, 2kg of organic flame retardant, 0.8kg of foaming agent, 2kg of silicone oil, and 7kg of deionized water.

[0038] The plant fiber-based polyether polyol is a polyether polyol made from agricultural and forestry waste, with a viscosity of 2800 mPa·s and an average functionality of 4.5.

[0039] The vegetable oil-based polyether polyol is a polyether polyol made from waste oil or non-edible oil, with a viscosity of 2800 mPa·s and an average functionality of 4.8.

[0040] The catalyst is N,N-dimethylcyclohexylamine.

[0041] The organic flame retardant is a phosphorus-nitrogen intumescent flame retardant.

[0042] The blowing agent is cyclopentane.

[0043] The preparation method of above-mentioned polyur...

Embodiment 3

[0049] A polyurethane thermal insulation material is made by foaming raw materials in the following proportions by weight:

[0050] 80kg of diphenylmethane diisocyanate, 60kg of plant fiber-based polyether polyol, 50kg of vegetable oil-based polyether polyol, 3kg of catalyst, 3kg of organic flame retardant, 1kg of foaming agent, 3kg of silicone oil, and 8kg of deionized water.

[0051] The plant fiber-based polyether polyol is a polyether polyol made from agricultural and forestry waste, with a viscosity of 2800 mPa·s and an average functionality of 5.

[0052] The vegetable oil-based polyether polyol is a polyether polyol made from waste oil or non-edible oil, with a viscosity of 2800 mPa·s and an average functionality of 5.

[0053] The catalyst is N,N-dimethylcyclohexylamine.

[0054] The organic flame retardant is a phosphorus-nitrogen intumescent flame retardant.

[0055] The blowing agent is cyclopentane.

[0056] The preparation method of above-mentioned polyurethane...

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Abstract

The invention discloses a polyurethane insulation material, prepared from, by weight, 60-80 parts of diphenylmethane diisocyanate, 40-60 parts of plant fiber-based polyether polyol, 30-50 parts of plant oil-based polyether polyol, 1-3 parts of a catalyst, 1-3 parts of an organic flame retardant, 0.5-1 part of a foaming agent, 1-3 parts of silicone oil, and 6-8 parts of deionized water. The polyurethane insulation material has the advantages of high strength, light weight, low heat conductivity, good size stability, good thermal insulation, and good wear resistance and corrosion resistance; the polyurethane insulation material also has efficient flame retardancy and is energy-efficient and environment-friendly due to the absence of chlorofluorocarbon (CFC) foaming agent; in addition, a preparation method is simple, the cost is low, equipment requirements are low, and the production process is environment-friendly.

Description

technical field [0001] The invention relates to the technical field of thermal insulation materials, in particular to a 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 foam, the commonly use...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G18/76C08G18/48C08J9/14C08G101/00
CPCC08G18/7671C08G18/4816C08G2101/00C08J9/141C08J2203/14C08J2375/08
Inventor 胡国旺
Owner 胡国旺
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