CN102816290A - Production method of solar thermal-insulation material - Google Patents
Production method of solar thermal-insulation material Download PDFInfo
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- CN102816290A CN102816290A CN2012103291067A CN201210329106A CN102816290A CN 102816290 A CN102816290 A CN 102816290A CN 2012103291067 A CN2012103291067 A CN 2012103291067A CN 201210329106 A CN201210329106 A CN 201210329106A CN 102816290 A CN102816290 A CN 102816290A
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- combined polyether
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- insulation material
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- polyethers
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Abstract
The invention provides a production method of a solar thermal-insulation material. The production method comprises the following steps of: injecting combined polyether into a white material tank; pressing isocyanate into a black material tank; pressing the isocyanate and the combined polyether into a high pressure gun from the black material tank and the white material tank to be collided at a high speed and to be mixed according to the mass ratio of the isocyanate to the combined polyether equal to 1-1.1to 1; pouring the mixture to a cavity of a solar water tank for foaming; and performing high-temperature curing on the mixture to prepare the solar thermal-insulation material. The production method is simple in process and convenient to operate; and the thermal-insulation material prepared by the method is low heat conduction coefficient and high in thermal insulation performance.
Description
Technical field
The present invention relates to a kind of working method of solar energy thermal insulation material, behind particularly a kind of dichloro one fluoroethane and the thick polyethers proportional mixing with isocyanic ester foam production high energy efficiency solar energy thermal insulation material---production of polyurethane method.
Background technology
At present, urethane is as solar energy thermal insulation material, and turnout is increasing.Existing sun power is used the polyurethane heat-insulation poor-performing; Thermal conductivity is higher; Be about at national efficiency standard GB 26969-2011 " domestic solar hot-water system efficiency limit value and efficiency grade " under the overall situation of execution and the appearance of efficiency subsidy policy; Sun power is proposed requirements at the higher level with the polyurethane heat-insulation performance, and it is high to press for a kind of heat-insulating property, and the sun power that thermal conductivity is low is used polyurethane heat insulation material.
Summary of the invention
In order to solve the problems of the technologies described above; The invention provides a kind of HCFC-141b of utilization dichloro one fluoroethane as behind whipping agent and the thick polyethers proportional mixing with isocyanic ester foam production production of polyurethane method; It is good to have foaming back polyurethane heat-insulation performance, the advantage that thermal conductivity is low.
The present invention realizes through following technical scheme:
A kind of working method of solar energy thermal insulation material may further comprise the steps:
A. getting combined polyether squeezes in the white batch can;
B. getting isocyanic ester is pressed in the black batch can; According to mass ratio is the ratio of isocyanic ester and the combined polyether of 1 ~ 1.1:1; From black batch can and white batch can, respectively isocyanic ester and combined polyether are pressed into after high velocity impact mixes in the High Pressure Gun; Be filled in the cavity of solar water container and foam, promptly obtain solar energy thermal insulation material through behind the hot setting;
C. the temperature in described black batch can, the white batch can is 18 ± 3 ℃, and pressure is 100bar～130bar, and the pressure difference of the two is controlled within the 5bar; When envrionment temperature was lower than 20 ℃ Celsius, the intravital curing temperature of control chamber was 60 ℃ ± 2 ℃, and the curing time is 30 ± 5 minutes; When envrionment temperature was higher than 20 ℃ Celsius, the intravital curing temperature of control chamber was 45 ℃ ± 5 ℃, and the curing time is 25 ± 5 minutes.
In the working method of the invention described above, described combined polyether is formed by the raw material thorough mixing of following quality percentage composition: 77-80% polyethers, 16-19%HCFC-141b whipping agent, 1-2% silicone oil, 0.1-1.0% suds-stabilizing agent, 1-1.5% catalyzer.
Perhaps, described combined polyether is formed by the raw material thorough mixing of following quality percentage composition: 77-80% polyethers, 16-19%HCFC-141b whipping agent, 1-2% silicone oil, 0.1-1.0% suds-stabilizing agent, 1-1.5% catalyzer, 1-4%20-40 order flakey white mica.
The functionality of described polyethers is 4.0, and the hydroxyl value scope is 390-430mgKOH/g, and viscosity is 320mpass.
Described catalyzer is that glycerine, tertiary amine catalyst and the potassium oleate of 1:4:2 formed by mass ratio.
Mica is a kind of layer silicate mineral that contains water, and mica powder has unique acidproof, alkaline-resisting, chemical stability, also has good insulation performance and thermotolerance, uninflammability, preservative property.Solar energy thermal insulation material of the present invention; Select to add the 20-40 order flakey white mica of some amount; Because the flakey mica is laminar structured, its surface has reflection function, can sunlight reflection; Increase the heat-insulating property of lagging material, its heat insulation effect is better than common polyurethane material.In addition, add a certain amount of mica, can use lagging material of the present invention to have fire-retardant effect.
The urethane that the present invention produces, heat-insulating property are better than the existing HCFC-141b product of use.
Working method of the present invention, working method is simple, raw material storage safety, raw material carrying of avoiding and volatility of raw material, dissipation etc. can realize automatic continuous production.
In sum, the solar energy thermal insulation material that method of the present invention is produced---urethane, technology is simple, and is easy to operate, and heat-insulating property is superior to existing sun power and uses urethane.
Embodiment
Below in conjunction with embodiment the present invention is done further explanation.
Take by weighing raw material according to following quality percentage composition: polyethers 78%, silicone oil 1.8%, HCFC-141b whipping agent 18.7%, suds-stabilizing agent 0.5%, catalyzer 1% get combined polyether through the reaction kettle thorough mixing; Combined polyether is squeezed in the white batch can; Isocyanic ester is pressed in the black batch can; According to isocyanic ester: combined polyether is the mass ratio of 1.05:1; From white batch can and black batch can, respectively isocyanic ester and combined polyether are pressed into after high velocity impact mixes in the High Pressure Gun; Be filled in the cavity of solar water container and foam, promptly obtain solar energy thermal insulation material through behind the hot setting.
Temperature in described black batch can, the white batch can is 20 ℃, and pressure is 100bar～130bar, and the pressure difference of the two is controlled within the 5bar, and the intravital curing temperature in chamber is 60 ℃, and the curing time is 32 minutes.
In the above-mentioned raw material, the functionality of described polyethers is 4.0, and the hydroxyl value scope is 390-430mgKOH/g, and viscosity is 320mpass.
Described catalyzer is that glycerine, tertiary amine catalyst and the potassium oleate of 1:4:2 formed by mass ratio.
The solar energy thermal insulation material of present embodiment, through test, its density is 39kg/ m
3, ultimate compression strength is 0.15MPa, thermal conductivity is 0.0195 W/ (mK).
Embodiment 2
Take by weighing the 20-40 order flakey white mica that following raw material is got polyethers 77%, silicone oil 1.2%, HCFC-141b whipping agent 17%, suds-stabilizing agent 0.7%, catalyzer 1.1%, 3% by following quality percentage composition, get combined polyether through the reaction kettle thorough mixing.
Combined polyether is squeezed in the white batch can; Isocyanic ester is pressed in the black batch can; According to isocyanic ester: combined polyether is the mass ratio of 1.04:1; From white batch can and black batch can, respectively isocyanic ester and combined polyether are pressed into after high velocity impact mixes in the High Pressure Gun; Be filled in the cavity of solar water container and foam, promptly obtain solar energy thermal insulation material through behind the hot setting.
Temperature in described black batch can, the white batch can is 19 ℃, and pressure is 100bar～130bar, and the pressure difference of the two is controlled within the 5bar, and the intravital curing temperature in chamber is 47 ℃, and the curing time is 27 minutes.
In the above-mentioned raw material, the functionality of described polyethers is 4.0, and the hydroxyl value scope is 390-430mgKOH/g, and viscosity is 320mpass.
Described catalyzer is that glycerine, tertiary amine catalyst and the potassium oleate of 1:4:2 formed by mass ratio.
The solar energy thermal insulation material of present embodiment, through test, its density is 40kg/ m
3, ultimate compression strength is 0.16MPa, thermal conductivity is 0.012 W/ (mK).
Claims (5)
1. the working method of a solar energy thermal insulation material is characterized in that, may further comprise the steps:
A. getting combined polyether squeezes in the white batch can;
B. getting isocyanic ester is pressed in the black batch can; According to mass ratio is the ratio of isocyanic ester and the combined polyether of 1 ~ 1.1:1; From black batch can and white batch can, respectively isocyanic ester and combined polyether are pressed into after high velocity impact mixes in the High Pressure Gun; Be filled in the cavity of solar water container and foam, promptly obtain solar energy thermal insulation material through behind the hot setting;
C. the temperature in described black batch can, the white batch can is 18 ± 3 ℃, and pressure is 100bar～130bar, and the pressure difference of the two is controlled within the 5bar; When envrionment temperature was lower than 20 ℃ Celsius, the intravital curing temperature of control chamber was 60 ℃ ± 2 ℃, and the curing time is 30 ± 5 minutes; When envrionment temperature was higher than 20 ℃ Celsius, the intravital curing temperature of control chamber was 45 ℃ ± 5 ℃, and the curing time is 25 ± 5 minutes.
2. working method according to claim 1; It is characterized in that described combined polyether is formed by the raw material thorough mixing of following quality percentage composition: 77-80% polyethers, 16-19%HCFC-141b whipping agent, 1-2% silicone oil, 0.1-1.0% suds-stabilizing agent, 1-1.5% catalyzer.
3. working method according to claim 1; It is characterized in that described combined polyether is formed by the raw material thorough mixing of following quality percentage composition: 77-80% polyethers, 16-19%HCFC-141b whipping agent, 1-2% silicone oil, 0.1-1.0% suds-stabilizing agent, 1-1.5% catalyzer, 1-4%20-40 order flakey white mica.
4. according to claim 2 or 3 described working methods, it is characterized in that the functionality of described polyethers is 4.0, the hydroxyl value scope is 390-430mgKOH/g, and viscosity is 320mpass.
5. according to claim 2 or 3 described working methods, it is characterized in that described catalyzer is that glycerine, tertiary amine catalyst and the potassium oleate of 1:4:2 formed by mass ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103291067A CN102816290A (en) | 2012-09-07 | 2012-09-07 | Production method of solar thermal-insulation material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103291067A CN102816290A (en) | 2012-09-07 | 2012-09-07 | Production method of solar thermal-insulation material |
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| CN102816290A true CN102816290A (en) | 2012-12-12 |
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| CN2012103291067A Pending CN102816290A (en) | 2012-09-07 | 2012-09-07 | Production method of solar thermal-insulation material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106565925A (en) * | 2016-07-21 | 2017-04-19 | 合肥荣事达太阳能科技有限公司 | Foaming process for solar water heater |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001040054A (en) * | 1999-07-30 | 2001-02-13 | Bridgestone Corp | Rigid polyurethane foam |
| JP2002161121A (en) * | 2000-11-28 | 2002-06-04 | Achilles Corp | Flame-retardant foam |
| CN1760230A (en) * | 2005-10-13 | 2006-04-19 | 南京红宝丽股份有限公司 | Formulation for producing rigid foam of polyurehtane through using foaming agent in third generation |
| CN101280052A (en) * | 2008-05-29 | 2008-10-08 | 山东力诺瑞特新能源有限公司 | Solar energy thermal insulation material |
-
2012
- 2012-09-07 CN CN2012103291067A patent/CN102816290A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001040054A (en) * | 1999-07-30 | 2001-02-13 | Bridgestone Corp | Rigid polyurethane foam |
| JP2002161121A (en) * | 2000-11-28 | 2002-06-04 | Achilles Corp | Flame-retardant foam |
| CN1760230A (en) * | 2005-10-13 | 2006-04-19 | 南京红宝丽股份有限公司 | Formulation for producing rigid foam of polyurehtane through using foaming agent in third generation |
| CN101280052A (en) * | 2008-05-29 | 2008-10-08 | 山东力诺瑞特新能源有限公司 | Solar energy thermal insulation material |
Non-Patent Citations (1)
| Title |
|---|
| 刘益军: "《聚氨酯原料及助剂手册》", 30 April 2005, 化学工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106565925A (en) * | 2016-07-21 | 2017-04-19 | 合肥荣事达太阳能科技有限公司 | Foaming process for solar water heater |
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Application publication date: 20121212 |