CN103756290A - Solar polyurethane heat-preservation material - Google Patents
Solar polyurethane heat-preservation material Download PDFInfo
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- CN103756290A CN103756290A CN201310725279.5A CN201310725279A CN103756290A CN 103756290 A CN103756290 A CN 103756290A CN 201310725279 A CN201310725279 A CN 201310725279A CN 103756290 A CN103756290 A CN 103756290A
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Abstract
The invention designs a preparation method for a solar heat absorption coating. The solar heat absorption coating is composed of polyether polyol, a catalyst, a foaming agent, a foam stabilizing agent and a composite halogen-free flame retardant according to certain ratios. According to the preparation method, an expanded flame retardant and inorganic hydroxide are used as a compound flame retardant for inflaming retarding of a polyurethane heat-insulation plate; the compound flame retardant is added into a polyurethane foaming system in an adding manners so that the environment-friendly requirements are met and the flame retardant efficiency is also enhanced.
Description
Technical field
The present invention relates to a kind of sun power anti-inflaming polyurethane hard foam lagging material and preparation method thereof.
Background technology
Sun power, is green energy resource, and its exploitation will be seemed to particularly important in the future of energy scarcity; According to international new forms of energy development trend, solar thermal utilization has ample scope for one's abilities in substitute fossil fuels generating and terminal utilization.Solar thermal utilization has wide Application Areas, but most importantly solar energy thermal-power-generating and energy for building (comprising heating, air-conditioning and hot water) at present.In China, technology maturation, and formed the solar water heating system that only has of industry.
Polyurethane foamed material is to generally acknowledge in the world at present best heat-insulation material, have that thermal conductivity is little, ultimate compression strength is high, cohesiveness is good, be easy to the advantages such as processing, the heat-insulation and heat-preservation that is widely used in electrical equipment refrigerator ice cabinet, construction wall, industrial pipeline and communications and transportation refrigerator car is application demand new growth point in recent years.But compared with traditional inorganic heat-insulating material, the not flame-retardant high-molecular foam materials including polyurethane foamed material, has the shortcomings such as inflammable, flame propagation speed; Reactive flame retardant is in the inflammable molecular structure of urethane, introduce difficult combustion, heatproof, be lowly fuming, hypotoxic ring texture compound (isocyanuric acid ring, mute oxazolidone, aromatic ring, the sub-diamines key of carbonization), or introduce there is flame resisting construction polymer nano granules, as described in CN201010174230.1 patent.Greatly improve so on the one hand foam flame retardant resistance, temperature tolerance, reduced widely the smog toxicity that foam discharges simultaneously.But adopt the flame retardant polyurethane lagging material cost for preparing of aforesaid method higher, be difficult to spread, and general what introduce is halogen group, environmental protection is difficult to solve.
Summary of the invention
The object of the invention is the problem existing for above-mentioned polyurethane rigid foam material, a kind of novel halogen-free flame-retardant Polyurethane Thermal Insulation Building Materials and preparation method thereof is provided.
The present invention is achieved by the following scheme:
A kind of sun power polyurethane flame-proof lagging material, is characterized in that this material is comprised of component A and component B, and described component A and the weight ratio of component B are 1:1.4-1.5;
Described component A is comprised of polyether glycol 75-80 weight part, catalyzer 0.8-1.8 weight part, whipping agent pentamethylene 2-3 weight part, suds-stabilizing agent 1-6 weight part and halogen-free flame retardants 25-30 weight part.
Described component B is polymeric multi isocyanate.
A kind of sun power polyurethane flame-proof lagging material of the present invention, described polyether glycol is that hydroxyl value is the polyether glycol of 400-600KOH/g; Described catalyzer is the mixture of dimethylethanolamine and dibutyl tin laurate, and the weight ratio of dimethylethanolamine and dibutyl tin laurate is 1.5-2:1; Described suds-stabilizing agent is the organosilicon with Si-C chain; Described halogen-free flame retardants is by expansion type flame retardant, inorganic hydroxide and polymer/inorganic nanometer material three, to be mixed in proportion and to be formed, expansion type flame retardant: inorganic hydroxide: the weight ratio of polymer/inorganic nanometer material is 1-2:2-3:1; The NCO content of described polymeric multi isocyanate is 30-32%.
A kind of sun power polyurethane flame-proof lagging material, makes by the following method:
(1) expansion type flame retardant, inorganic hydroxide and polymer/inorganic nanometer material mixing are evenly obtained to the halogen-free flame retardants component of component A;
(2) polyether glycol in component A, catalyzer, whipping agent and suds-stabilizing agent component are mixed, then the halogen-free flame retardants component that step (1) is obtained adds, continue at normal temperatures to mix and obtain component A;
(3) component A and component B polymeric multi isocyanate are uniformly mixed, and foaming obtains material lagging material of the present invention.
First the present invention is used for the fire-retardant of polyurethane thermal insulation board using expansion type flame retardant and inorganic hydroxide as compound flame retardant, adopts interpolation form to join in polyurethane foam system, has met the demand of industrialization, and has reached the standard of current environmental protection; Use composite fire retardant, improved flame retardant effect.
Embodiment
Embodiment 1
First it is stand-by that the ratio high-speed mixing that is 1:2:1 by expansion type flame retardant ExolitAP420, aluminium hydroxide and Nylon/montmorillonite Nanocomposites according to weight ratio obtains halogen-free flame retardants.
By hydroxyl value, be 500KOH/g polyether glycol 100g, dimethylethanolamine 1.5g, dibutyl tin laurate 1g; pentamethylene 3g; after Si-C chain silicon foams stablizer 2g mixes, add the above-mentioned composite halogen-free flame retardants 20g obtaining, mix at normal temperatures and obtain A component; And then the polymeric multi isocyanate that is 30% with NCO content by A component mixes according to weight ratio 1:2, stir foaming and obtains environment friendly halogen-free fireproof Polyurethane Thermal Insulation Building Materials.The oxygen index of the halogen-free anti-inflaming polyurethane hard foam lagging material obtaining is 30, and combustionproperty reaches B level.
Embodiment 2
First it is stand-by that the ratio high-speed mixing that is 2:3:1 by expansion type flame retardant ANTI-6, magnesium hydroxide and nylon/graphite oxide nanocomposite according to weight ratio obtains halogen-free flame retardants.
By hydroxyl value, be 500KOH/g polyether glycol 100g, dimethylethanolamine 1.5g, dibutyl tin laurate 1.5g; pentamethylene 3g; after Si-C chain silicon foams stablizer 2g mixes, add the above-mentioned composite halogen-free flame retardants 25g obtaining, mix at normal temperatures and obtain A component; And then the polymeric multi isocyanate that is 31% with NCO content by A component mixes according to weight ratio 1:1, stir foaming and obtains environment friendly halogen-free fireproof Polyurethane Thermal Insulation Building Materials.The oxygen index of the halogen-free anti-inflaming polyurethane hard foam lagging material obtaining is 29, and combustionproperty reaches B level.
Embodiment 3
First it is stand-by that the ratio high-speed mixing that is 1:3:1 by expansion type flame retardant Melabis, aluminium hydroxide and polyethylene/graphite oxide nanocomposite according to weight ratio obtains halogen-free flame retardants.
By hydroxyl value, be the polynary 80g of 600KOH/g polyethers, dimethylethanolamine 2g, dibutyl tin laurate 3g, pentamethylene 3g, after Si-C chain silicon foams stablizer 3g mixes, add the above-mentioned composite halogen-free flame retardants 30g obtaining, mix at normal temperatures and obtain A component; And then the polymeric multi isocyanate that is 32% with NCO content by A component mixes according to weight ratio 1:1.1, stir foaming and obtains environment friendly halogen-free fireproof Polyurethane Thermal Insulation Building Materials.The oxygen index of the halogen-free anti-inflaming polyurethane hard foam lagging material obtaining is 28, and combustionproperty reaches B level.
Embodiment 4
First by expansion type flame retardant ANTI-610, magnesium hydroxide and polyethylene/graphite oxide nanocomposite according to
It is stand-by that weight ratio is that the ratio high-speed mixing of 1:2:1 obtains halogen-free flame retardants.
By hydroxyl value, be 400KOH/g polyether glycol 75g, dimethylethanolamine 1.5g, dibutyl tin laurate 1.5g; pentamethylene 3g; after Si-C chain silicon foams stablizer 3g mixes, add the above-mentioned composite halogen-free flame retardants 25g obtaining, mix at normal temperatures and obtain A component; And then the polymeric multi isocyanate that is 31% with NCO content by A component mixes according to weight ratio at 1: 1.3, stir foaming and obtains environment friendly halogen-free fireproof Polyurethane Thermal Insulation Building Materials.The oxygen index of the halogen-free anti-inflaming polyurethane hard foam lagging material obtaining is 28, and combustionproperty reaches B level.
Claims (2)
1. a sun power polyurethane flame-proof lagging material, is characterized in that this material is comprised of component A and component B, and described component A and the weight ratio of component B are 1:1.4-1.5;
Described component A is comprised of polyether glycol 75-80 weight part, catalyzer 0.8-1.8 weight part, whipping agent pentamethylene 2-3 weight part, suds-stabilizing agent 1-6 weight part and halogen-free flame retardants 25-30 weight part;
Described component B is polymeric multi isocyanate;
Described polyether glycol is that hydroxyl value is the polyether glycol of 400-600KOH/g; Described catalyzer is the mixture of dimethylethanolamine and dibutyl tin laurate, and the weight ratio of dimethylethanolamine and dibutyl tin laurate is 1.5-2:1; Described suds-stabilizing agent is the organosilicon with Si-C chain; Described halogen-free flame retardants is by expansion type flame retardant, inorganic hydroxide and polymer/inorganic nanometer material three, to be mixed in proportion and to be formed, expansion type flame retardant: inorganic hydroxide: the weight ratio of polymer/inorganic nanometer material is 1-2:2-3:1; The NCO content of described polymeric multi isocyanate is 30-32%.
2. a kind of sun power polyurethane flame-proof lagging material according to claim 1, is characterized in that making by the following method:
(1) expansion type flame retardant, inorganic hydroxide and polymer/inorganic nanometer material mixing are evenly obtained to the halogen-free flame retardants component of component A;
(2) polyether glycol in component A, catalyzer, whipping agent and suds-stabilizing agent component are mixed, then the halogen-free flame retardants component that step (1) is obtained adds, continue at normal temperatures to mix and obtain component A;
(3) component A and component B polymeric multi isocyanate are uniformly mixed, and foaming obtains material lagging material of the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310725279.5A CN103756290A (en) | 2013-12-25 | 2013-12-25 | Solar polyurethane heat-preservation material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310725279.5A CN103756290A (en) | 2013-12-25 | 2013-12-25 | Solar polyurethane heat-preservation material |
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| CN103756290A true CN103756290A (en) | 2014-04-30 |
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| CN201310725279.5A Pending CN103756290A (en) | 2013-12-25 | 2013-12-25 | Solar polyurethane heat-preservation material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105646821A (en) * | 2016-01-29 | 2016-06-08 | 吴婷婷 | Molecular structure modified rigid polyurethane foam thermal insulation material |
| CN105969156A (en) * | 2016-06-21 | 2016-09-28 | 江苏科技大学 | Polyurethane resin-based metal heat treatment protective paint and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102675860A (en) * | 2012-05-11 | 2012-09-19 | 上海化工研究院 | Halogen-free flame-retardant polyurethane hard bubble heat preserving material and preparation method thereof |
-
2013
- 2013-12-25 CN CN201310725279.5A patent/CN103756290A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102675860A (en) * | 2012-05-11 | 2012-09-19 | 上海化工研究院 | Halogen-free flame-retardant polyurethane hard bubble heat preserving material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105646821A (en) * | 2016-01-29 | 2016-06-08 | 吴婷婷 | Molecular structure modified rigid polyurethane foam thermal insulation material |
| CN105969156A (en) * | 2016-06-21 | 2016-09-28 | 江苏科技大学 | Polyurethane resin-based metal heat treatment protective paint and preparation method thereof |
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Application publication date: 20140430 |