CN102167898A - Environment-friendly composite material applied to heat preservation of pipeline and preparation method thereof - Google Patents
Environment-friendly composite material applied to heat preservation of pipeline and preparation method thereof Download PDFInfo
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- CN102167898A CN102167898A CN 201010563398 CN201010563398A CN102167898A CN 102167898 A CN102167898 A CN 102167898A CN 201010563398 CN201010563398 CN 201010563398 CN 201010563398 A CN201010563398 A CN 201010563398A CN 102167898 A CN102167898 A CN 102167898A
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Abstract
The invention relates to an environment-friendly composite material applied to heat preservation of a pipeline. The environment-friendly composite material consists of a component A and a component B, wherein the component A consists of polyether polyol, polyester polyol, a foam stabilizer, a chemical foaming agent, a catalyst and a physical foaming agent; and the component B is polymerized diphenyl methane diisocyanate. When the environment-friendly composite material is used, environment-friendly polyurethane foam applied to the heat preservation of the pipeline can be prepared by mixing the component A and the component B. The environment-friendly polyurethane foam material applied to the heat preservation of the pipeline is prepared from the component A and the component B at normal temperature and normal pressure, so the process is simple and easy to operate. A c-pentane and HFC-365/227 (according to a ratio of 87:13) mixed type foaming agent serving as the physical foaming agent is used for preparing pipeline heat preservation composite polyether, so the environment-friendly aim is fulfilled, heat conductivity coefficient of foam is reduced, and properties, such as flowability, dimensional stability, adhesion stress and the like, of the foam are improved, and various indexes reach the requirements of national standard.
Description
Technical field
The invention provides a kind of c-pentane(of using pentamethylene) with 1,1,1,3,3-3-pentafluorobutane and 1,1,1,2,3,3, the mixed type whipping agent of 3-heptafluoro-propane mixture HFC-365/227 is made environment-friendly type combination material that is applied to piping insulation and preparation method thereof, particularly makes the environment-friendly type combination material that is applied to piping insulation.
Background technology
(pentamethylene) though easily obtain, cheap, inflammable and explosive, heat retaining property is poor, and 1,1,1,3,3-3-pentafluorobutane and 1,1,1,2,3,3, the mixture HFC-365/227 price of 3-heptafluoro-propane is higher, influences its popularization.1,1,1,3,3-3-pentafluorobutane and 1,1,1,2,3,3, the mixture HFC-365/227(of 3-heptafluoro-propane wherein 1,1,1,3, the mass content of 3-3-pentafluorobutane is 87%.) be the new variety in the urethane pneumatogen.Belong to third generation whipping agent, the c-pentane(pentamethylene) belong to s-generation whipping agent, the ODP=0 of two kinds of whipping agents so belong to floride-free type combined polyether with its combined polyether of producing, has the effect of environmental protection.1,1,1,3,3-3-pentafluorobutane and 1,1,1,2,3,3, the adding of the mixture HFC-365/227 of 3-heptafluoro-propane has reduced the foamy thermal conductivity greatly.Both arrange in pairs or groups and use the shortcoming that can remedy himself, and with isocyanic ester combined polyether reaction therewith, obtained foam has characteristics such as thermal conductivity is low, good fluidity, dimensional stability is good, cohesive force is good, and 1,1,1,3,3-3-pentafluorobutane and 1,1,1,2,3,3, the application of the mixture HFC-365/227 of 3-heptafluoro-propane has solved the c-pentane(pentamethylene) material inspires problem of difficult in the winter time; While is with short production cycle, efficient is high, power consumption is low, replaces traditional pneumatogen such as F-11 (fluoro trichloromethane), 141b(one fluorine ethylene dichloride gradually) etc., be widely used in various field of thermal insulation.365mfc(1,1,1,3,3-3-pentafluorobutane) is the product that Belgian Su Wei company produces, Europe, the United States and domestic similar urethane company have brought into use HFC-245fa(1 in refrigerator, refrigerator-freezer, sheet material and pipeline industry, 1,1,3, the 3-pentafluoropropane) and the c-pentane(pentamethylene) the mixed type whipping agent, and technology is ripe relatively.My company sets about development c-pentane(pentamethylene now) with 1,1,1,3,3-3-pentafluorobutane and 1,1,1,2,3,3, the mixed type whipping agent of the mixture HFC-365/227 of 3-heptafluoro-propane is in the development in pipeline field, and begin to introduce to the market, this product belongs to international initiative in the pipeline field.
At present, in piping insulation type combined polyether employed pneumatogen with 141b(one fluorine ethylene dichloride) be
Main, because of 141b(one fluorine ethylene dichloride) ODP=0.11, the purpose that wants to reach complete environmental protection is not accomplished institute
To have determined that it is a kind of substitute products of transition type.
Summary of the invention
Technical problem to be solved by this invention provides a kind of environment-friendly type combination material that is applied to piping insulation and preparation method thereof, utilize the c-pentane(pentamethylene) with 1,1,1,3,3-3-pentafluorobutane and 1,1,1,2,3,3, the mixed type whipping agent of the mixture HFC-365/227 of 3-heptafluoro-propane is the making of pneumatogen configuring pipes thermal-insulating type combined polyether, when reaching the environmental protection purpose, reduce the foamy thermal conductivity, improved performances such as foamy flowability, dimensional stability, cohesive force simultaneously, every index reaches the requirement of GB.
The present invention is applied to the environment-friendly type combination material of piping insulation, it is characterized in that constituting by A component and B component, wherein:
The A component is, by weight percentage:
Polyether glycol A:30-50;
Polyether glycol B:20-40;
Polyester polyol: 10-30;
Suds-stabilizing agent: 1.0-3.0;
Chemical foaming agent: 1.0-3.0;
Tertiary amine catalyst: 0.5-4.5;
Pneumatogen: 15-25;
The B component is:
The polymerization diphenylmethanediisocyanate
Described polyether glycol A is 5 functionality, and number-average molecular weight is the polyether glycol of 600-700.
Described polyether glycol B is 4 functionality, and number-average molecular weight is the polyether glycol of 450-550.
Described polyester polyol is 3 functionality, and number-average molecular weight is 500-600 polyester polyol.
Described suds-stabilizing agent is non-hydrolysis silicon-carbon class tensio-active agent, and preferred B-8538(wins wound company and produces the commercially available prod).
Described chemical foaming agent preferably adopts deionized water.
Described catalyzer is a tertiary amine catalyst, preferred PC8 (N, N dimethylcyclohexylamine) and Y-27 (N, N dimethyl benzylamine).
Described pneumatogen is the c-pentane(pentamethylene) with 1,1,1,3,3-3-pentafluorobutane and 1,1,1,2,3,3, the mixed type whipping agent of the mixture HFC-365/227 of 3-heptafluoro-propane, wherein c-pentane(pentamethylene) with the mass ratio of HFC-365/227 (87:13) be 65:35.
Preparation is applied to the method for the environment-friendly type combination material of piping insulation, mainly be preparation A component material: with load weighted polyether glycol, polyester polyol, stablizer, chemical foaming agent, catalyzer, pneumatogen, add successively in the reactor, stirred at normal temperatures 2.0 hours, get final product barrelling;
B component material is the polymerization diphenylmethanediisocyanate, directly barrelling.
During use, A, B component material promptly be can be made into the environment-protecting polyurethane foam materials by the weight proportion mixing of A:B=100:100.
Advantage of the present invention: A component material is to carry out at normal temperatures, not only save energy but also reduce energy supply equipment and loaded down with trivial details operation.Environment-protecting polyurethane foam materials by A, B component material production piping insulation also is to carry out under normal temperature, normal pressure, and technology is simple, and is easy to operate, and it is low to volatilize, the no three wastes, constant product quality.Utilize the c-pentane(pentamethylene) with 1,1,1,3,3-3-pentafluorobutane and 1,1,1,2,3,3, the mixed type whipping agent of the mixture HFC-365/227 (87:13) of 3-heptafluoro-propane is the making of pneumatogen configuring pipes thermal-insulating type combined polyether, when reaching the environmental protection purpose, reduces the foamy thermal conductivity, improved performances such as foamy flowability, dimensional stability, cohesive force simultaneously, every index reaches the requirement of GB.Be applied to the environment-protecting polyurethane froth product quality index of piping insulation after testing, can reach:
Density: 〉=60kg/m
3
Ultimate compression strength: 〉=0.3MPa
Thermal conductivity :≤0.033W/m.k
Water-intake rate :≤10 V/V%
Dimensional stability (100 ℃) :≤1.5%
Mean pore size≤0.5mm
Rate of closed hole 〉=88%
Performance has reached the requirement of CJ/T 114-2000 piping insulation rigid urethane foam fully.
Embodiment
Below in conjunction with embodiment the present invention is described, but does not limit the present invention.
Embodiment 1:
100 kilograms in preparation A component material, weighing respectively: polyether glycol A(5 functionality, number-average molecular weight is 600-700) 40 kilograms, polyether glycol B(4 functionality, number-average molecular weight is 450-550) 28 kilograms, 20 kilograms of polyester polyols (3.0 functionality, number-average molecular weight are 500-600), 0.8 kilogram of catalyst P C8 (N, N dimethylcyclohexylamine)
1.6 kilograms of Y-27 (N, N dimethyl benzylamine), 1.6 kilograms in water, 1.6 kilograms of B-8538, c-pentane(pentamethylene)/HFC-365/227 9.36/5.04 kilogram.With load weighted polyether glycol, polyester polyol, stablizer, chemical foaming agent, catalyzer, pneumatogen, add in the reactor successively, stirred at normal temperatures 2 hours, taking-up is tested, satisfy processing parameter, send satisfied foam, promptly get A component qualified product, from reactor, take out the barrelling warehouse-in.
A, B component material are mixed and made into the environment-protecting polyurethane foam product quality indicator after testing that is applied to piping insulation by the A:B=100:100 weight proportion.
Density: 62.2kg/m
3
Ultimate compression strength: 0.35MPa
Thermal conductivity: 0.022W/m.k
Water-intake rate: 4.2 V/V%
Dimensional stability (100 ℃): 1.2%
Mean pore size 0.29mm
Rate of closed hole 90.3%
Embodiment 2:
100 kilograms in preparation A component material, weighing respectively: polyether glycol A(5 functionality, number-average molecular weight is 600-700) the 4O kilogram, polyether glycol B(4 functionality, number-average molecular weight is 450-550) 32 kilograms, polyester polyol (3.0 functionality, number-average molecular weight is 500-600) 8 kilograms, catalyst P C8 (N, the N dimethylcyclohexylamine) 1.6 kilograms of Y-27 (N, N dimethyl benzylamine) 2.0 kilograms, 1.6 kilograms in water, 2.0 kilograms of B-8538, the c-pentane(pentamethylene)/HFC-365/227 8.32/4.48 kilogram.With load weighted polyether glycol, polyester polyol, stablizer, chemical foaming agent, catalyzer, pneumatogen, add in the reactor successively, stirred at normal temperatures 2 hours, taking-up is tested, satisfy processing parameter, send satisfied foam, promptly get A component qualified product, from reactor, take out the barrelling warehouse-in.
A, B component material are mixed and made into the environment-protecting polyurethane foam product quality indicator after testing that is applied to piping insulation by the A:B=100:100 weight proportion.
Density: 65.5kg/m
3
Ultimate compression strength: 0.38MPa
Thermal conductivity: 0.023W/m.k
Water-intake rate: 3.9V/V%
Dimensional stability (100 ℃): 0.9%
-4-
Mean pore size 0.32mm
Rate of closed hole 89.9%
Embodiment 3:
100 kilograms in preparation A component material, weighing respectively: polyether glycol A(5 functionality, number-average molecular weight is 600-700) 40 kilograms, polyether glycol B(4 functionality, number-average molecular weight is 450-550) 28 kilograms, polyester polyol (3.0 functionality, number-average molecular weight is 500-600) 12 kilograms, catalyst P C8 (N, the N dimethylcyclohexylamine) 1.04 kilograms of Y-27 (N, N dimethyl benzylamine) 1.6 kilograms, 1.36 kilograms in water, 1.6 kilograms of B-8538, the c-pentane(pentamethylene)/HFC-365/227 9.36/5.04 kilogram.With load weighted polyether glycol, polyester polyol, stablizer,
Chemical foaming agent, catalyzer, pneumatogen add in the reactor successively, stir at normal temperatures 2 hours, and taking-up is tested, and satisfies processing parameter, sends satisfied foam, promptly get A component qualified product, take out the barrelling warehouse-in from reactor.
A, B component material are mixed and made into the environment-protecting polyurethane foam product quality indicator after testing that is applied to piping insulation by the A:B=100:100 weight proportion.
Density: 64.0kg/m3
Ultimate compression strength: 0.36MPa
Thermal conductivity: 0.022W/m.k
Water-intake rate: 3.8 V/V%
Dimensional stability (100 ℃): 1.1%
Mean pore size 0.31mm
Rate of closed hole 90.9%.
Claims (6)
1. an environment-friendly type combination material that is applied to piping insulation is characterized in that being made of A component and B component, wherein:
The A component is, by weight percentage:
Polyether glycol A:30-50
Polyether glycol B:20-40
Polyester polyol: 10-30
Suds-stabilizing agent: 1.0-3.0
Chemical foaming agent: 1.0-3.0
Tertiary amine catalyst: 0.5-4.5
Pneumatogen: 15-25
The B component is:
The polymerization diphenylmethanediisocyanate
Wherein:
Polyether glycol A is 5 functionality, and number-average molecular weight is the polyether glycol of 600-700;
Polyether glycol B is 4 functionality, and number-average molecular weight is the polyether glycol of 450-550;
Polyester polyol is 3 functionality, and number-average molecular weight is 500-600 polyester polyol;
Pneumatogen is the mixed type whipping agent of pentamethylene and HFC-365/227, and the mass ratio of pentamethylene and HFC-365/227 is 65:35, and HFC-365/227 is 1,1,1,3,3-3-pentafluorobutane and 1,1,1,2,3,3, the mixture of 3-heptafluoro-propane, wherein 1,1,1,3, the mass percent of 3-3-pentafluorobutane is 87%.
2. according to the described environment-friendly type combination material that is applied to piping insulation of claim 1, it is characterized in that: described stablizer is to be non-hydrolysis silicon-carbon class tensio-active agent.
3. according to the described environment-friendly type combination material that is applied to piping insulation of claim 1, it is characterized in that: described stablizer adopts B-8538.
4. according to the described environment-friendly type combination material that is applied to piping insulation of claim 1, it is characterized in that: described chemical foaming agent is a water.
5. according to the described environment-friendly type combination material that is applied to piping insulation of claim 1, it is characterized in that: described catalyzer is selected from N, N dimethylcyclohexylamine or N, N dimethyl benzylamine.
6. one kind prepares the described method that is applied to the environment-friendly type combination material of piping insulation of claim 1, it is characterized in that:
Preparation A component material: with load weighted polyether glycol, polyester polyol, stablizer, chemical foaming agent, catalyzer, pneumatogen, add successively in the reactor, stirred at normal temperatures 2 hours, get final product barrelling;
B component material is the polymerization diphenylmethanediisocyanate, directly barrelling.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010563398 CN102167898A (en) | 2010-11-29 | 2010-11-29 | Environment-friendly composite material applied to heat preservation of pipeline and preparation method thereof |
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|---|---|---|---|
| CN 201010563398 CN102167898A (en) | 2010-11-29 | 2010-11-29 | Environment-friendly composite material applied to heat preservation of pipeline and preparation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102532865A (en) * | 2011-12-22 | 2012-07-04 | 山东东大一诺威新材料有限公司 | Composite polyether for environmentally-friendly open pore type pipeline and preparation method thereof |
| CN102532456A (en) * | 2011-12-27 | 2012-07-04 | 山东东大一诺威新材料有限公司 | Environmentally-friendly composition material applied to heat preservation of board and preparation method thereof |
| CN102558481A (en) * | 2011-12-23 | 2012-07-11 | 山东东大一诺威新材料有限公司 | Environment-friendly combination material used for heat preservation of boards and preparation method thereof |
| CN102558482A (en) * | 2011-12-29 | 2012-07-11 | 上海东大聚氨酯有限公司 | Environment-friendly flame-retardant polyurethane wood-imitation material |
| CN102924678A (en) * | 2012-11-02 | 2013-02-13 | 山东东大一诺威新材料有限公司 | Solar water heater foaming combined polyether and preparation method thereof |
| CN102942671A (en) * | 2012-12-03 | 2013-02-27 | 山东东大一诺威新材料有限公司 | External thermal-insulation environment-friendly composite polyether for delivering high-temperature media and preparation method thereof |
| CN106632967A (en) * | 2015-10-29 | 2017-05-10 | 中国石油化工股份有限公司 | Polyurethane composition for thermal-insulation pipeline |
| CN108458207A (en) * | 2018-04-16 | 2018-08-28 | 六安中财管道科技有限公司 | A kind of special tubing of heat-insulating integral solar energy and processing technology |
| CN112358601A (en) * | 2020-12-09 | 2021-02-12 | 淄博汇德聚氨酯制品股份有限公司 | Pipeline heat-insulating material and preparation method and application thereof |
| KR102259908B1 (en) * | 2020-09-24 | 2021-06-02 | 주식회사 에코인슈텍 | Semi-nonflammable insulation including rigid polyurethane foam |
| CN114539504A (en) * | 2020-11-25 | 2022-05-27 | 万华化学集团股份有限公司 | High-fluidity pipeline thermal insulation material and preparation method thereof |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102532865A (en) * | 2011-12-22 | 2012-07-04 | 山东东大一诺威新材料有限公司 | Composite polyether for environmentally-friendly open pore type pipeline and preparation method thereof |
| CN102532865B (en) * | 2011-12-22 | 2013-09-18 | 山东东大一诺威新材料有限公司 | Composite polyether for environmentally-friendly open pore type pipeline and preparation method thereof |
| CN102558481A (en) * | 2011-12-23 | 2012-07-11 | 山东东大一诺威新材料有限公司 | Environment-friendly combination material used for heat preservation of boards and preparation method thereof |
| CN102558481B (en) * | 2011-12-23 | 2014-02-19 | 山东一诺威新材料有限公司 | Environment-friendly combination material used for heat preservation of boards and preparation method thereof |
| CN102532456A (en) * | 2011-12-27 | 2012-07-04 | 山东东大一诺威新材料有限公司 | Environmentally-friendly composition material applied to heat preservation of board and preparation method thereof |
| CN102532456B (en) * | 2011-12-27 | 2013-11-13 | 山东东大一诺威新材料有限公司 | Environmentally-friendly composition material applied to heat preservation of board and preparation method thereof |
| CN102558482B (en) * | 2011-12-29 | 2013-11-13 | 上海东大聚氨酯有限公司 | Environment-friendly flame-retardant polyurethane wood-imitation material |
| CN102558482A (en) * | 2011-12-29 | 2012-07-11 | 上海东大聚氨酯有限公司 | Environment-friendly flame-retardant polyurethane wood-imitation material |
| CN102924678A (en) * | 2012-11-02 | 2013-02-13 | 山东东大一诺威新材料有限公司 | Solar water heater foaming combined polyether and preparation method thereof |
| CN102924678B (en) * | 2012-11-02 | 2014-06-25 | 山东一诺威新材料有限公司 | Solar water heater foaming combined polyether and preparation method thereof |
| CN102942671A (en) * | 2012-12-03 | 2013-02-27 | 山东东大一诺威新材料有限公司 | External thermal-insulation environment-friendly composite polyether for delivering high-temperature media and preparation method thereof |
| CN102942671B (en) * | 2012-12-03 | 2014-11-05 | 山东一诺威新材料有限公司 | External thermal-insulation environment-friendly composite polyether for delivering high-temperature media and preparation method thereof |
| CN106632967A (en) * | 2015-10-29 | 2017-05-10 | 中国石油化工股份有限公司 | Polyurethane composition for thermal-insulation pipeline |
| CN108458207A (en) * | 2018-04-16 | 2018-08-28 | 六安中财管道科技有限公司 | A kind of special tubing of heat-insulating integral solar energy and processing technology |
| KR102259908B1 (en) * | 2020-09-24 | 2021-06-02 | 주식회사 에코인슈텍 | Semi-nonflammable insulation including rigid polyurethane foam |
| CN114539504A (en) * | 2020-11-25 | 2022-05-27 | 万华化学集团股份有限公司 | High-fluidity pipeline thermal insulation material and preparation method thereof |
| CN114539504B (en) * | 2020-11-25 | 2023-05-26 | 万华化学集团股份有限公司 | High-fluidity pipeline heat-insulating material and preparation method thereof |
| CN112358601A (en) * | 2020-12-09 | 2021-02-12 | 淄博汇德聚氨酯制品股份有限公司 | Pipeline heat-insulating material and preparation method and application thereof |
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Application publication date: 20110831 |