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A kind of homogeneous non-combustible polyurethane foam thermal insulation material and preparation method thereof

A polyurethane foam, thermal insulation technology, applied in the field of new materials, can solve the problems of difficult to achieve industrialized production, poor fire resistance, etc., and achieve the effects of good mechanical strength, good thermal insulation performance, and improved flame retardant performance

Active Publication Date: 2019-07-23
南京红宝丽新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The present invention aims to solve the problems of poor fireproof performance of polyurethane rigid foam insulation materials in the prior art and the difficulty of realizing industrialized production of polyurethane foam insulation materials when the solid weight content is high, and provides a uniform polyurethane foam insulation material with good energy-saving and heat preservation performance and high fire safety performance. Quality non-combustible polyurethane foam thermal insulation material and preparation method thereof

Method used

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  • A kind of homogeneous non-combustible polyurethane foam thermal insulation material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Flame retardant: by weight, get 140 parts of flame retardant (100 parts of red phosphorus, 40 parts of trimethyl phosphate);

[0041] Inorganic filler: in parts by weight, take 1020 parts of inorganic filler (940 parts of 150 mesh silica sand, 80 parts of 250 mesh perlite), the loose bulk density of inorganic filler is 1.6g / cm 3 .

[0042] Polyurethane rigid foam foaming material: by weight, white material: 100 parts of polyether polyol (H4110, Hongbaoli, 60 parts; HP3202, Hongbaoli, 30 parts; HP3201, Hongbaoli, 10 parts) , 23 parts of blowing agent (10 parts of cyclopentane, 13 parts of n-pentane), 4.2 parts of catalyst (1.4 parts of pentamethyl dimethylene triamine, 1.8 parts of dimethylcyclohexylamine, 2,4,6 - 1.0 parts of tris(dimethylaminomethyl)phenol), 2.2 parts of silicone surfactant (AK8830, Mester), 1.5 parts of water; black material: 158 parts of polyphenyl polymethylene polyisocyanate (M50, BASF). The weight ratio of white material to black material is 10...

Embodiment 2

[0046] Flame retardant: by weight, get 360 parts of flame retardant (200 parts of aluminum hydroxide, 100 parts of expanded graphite, 60 parts of trishydroxymethyl phosphine oxide);

[0047] Inorganic filler: by weight, take 1840 parts of inorganic filler (1320 parts of 200 mesh quartz sand, 160 parts of 100 mesh montmorillonite, 360 parts of 400 mesh limestone), the loose bulk density of inorganic filler is 1.5g / cm 3 .

[0048] Polyurethane rigid foam foaming material: by weight, white material: 100 parts of polyether polyol (HP2502, 60 parts of Hongbaoli; HP3201, 40 parts of Hongbaoli), 34 parts of foaming agent (HFC-365mfc 14 parts, HFC-245fa 20 parts), catalyst 2.2 parts (N-methylmorpholine 0.6 parts, dimethylbenzylamine 1.2 parts, quaternary ammonium salt TMR-20.4 parts), silicone surfactant 0.5 parts (Niax L- 5440, Momentive), 3.0 parts of water, mixed evenly; black material: 224 parts of polyphenyl polymethylene polyisocyanate (PM100, Wanhua). The weight ratio of whit...

Embodiment 3

[0052] Flame retardant: by weight, take 420 parts of flame retardant (200 parts of antimony trioxide, 160 parts of zinc borate, 40 parts of tricumyl phosphate, 20 parts of triphenyl phosphate);

[0053] Inorganic filler: by weight, take 1460 parts of inorganic filler (1100 parts of 120 mesh slag, 290 parts of 300 mesh calcite, 70 parts of 1000 mesh diatomite), the loose bulk density of inorganic filler is 1.4g / cm 3 .

[0054] Polyurethane rigid foam foaming material: by weight, white material: 80 parts of polyether polyol (H4110, Hongbaoli, 60 parts; HP3201, Hongbaoli, 20 parts), polyester polyol 20 parts (PS -2502, Stepan), 26 parts of foaming agent (16 parts of cyclopentane, 10 parts of HFC-365mfc), 1.5 parts of catalyst (0.2 part of dibutyltin dilaurate, 0.8 part of dimethylcyclohexylamine, trihexahydrogen 0.5 parts of oxazine), 1.8 parts of silicone surfactant (B8486, Degussa), 2.0 parts of water, mix well; black material: 185 parts of polyphenyl polymethylene polyisocyan...

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Abstract

The invention discloses a homogeneous non-combustible polyurethane foam heat insulating material and a preparation method thereof. The heat insulating material is prepared by reacting the following raw materials in parts by weight: 6~20 parts of polyurethane rigid foaming material, 4~20 parts of flame retardant and 60~90 parts of inorganic filler, wherein the loose packing density of the inorganicfiller is 1.0~2.0 g / cm<3>. The heat insulating material prepared by the invention has overall density between 120 and 800 kg / m<3>, compressive strength being greater than and equal to 0.10 MPa, highmechanical strength, good durability, total heat value being smaller than and equal to 3.0 MJ / kg, combustion growth rate index being smaller than and equal to 120 W / s and 600 s total heat release ratebeing smaller than and equal to 7.5 MJ, and belongs to A2 grade non-combustible material, and has high fire-proofing safety and simple preparation process, and can realize industrial production.

Description

technical field [0001] The invention belongs to the field of new materials, and in particular relates to a homogeneous non-combustible polyurethane foam heat insulation material and a preparation method thereof. Background technique [0002] China's economy has entered a new normal, the constraints on energy supply have intensified, and the constraints on resources and the environment have become increasingly prominent. Actively promoting building energy conservation can effectively implement my country's energy conservation and emission reduction policies and promote green, circular, and low-carbon development. Using thermal insulation materials to insulate building walls can effectively reduce energy loss and improve building energy utilization efficiency. [0003] At present, the thermal insulation materials used in the market are mainly organic foam thermal insulation materials such as phenolic, polyurethane, polystyrene, etc., and inorganic foam thermal insulation mate...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G18/48C08J9/14C08K3/02C08K5/521C08K3/36C08K3/22C08K7/24C08K3/38
CPCC08G18/4804C08J9/141C08J2203/14C08J2375/08C08K3/02C08K3/22C08K3/2279C08K3/36C08K3/38C08K5/521C08K7/24C08K2003/026C08K2003/2227C08K2003/387
Inventor 韦华袁海顺傅振华诸爱东杨志峰熊丽媛祝丽娟邢小刚黄建华
Owner 南京红宝丽新材料有限公司
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