CN101798377B - Environment-friendly composite applicable to pipeline heat insulation and preparation method thereof - Google Patents
Environment-friendly composite applicable to pipeline heat insulation and preparation method thereof Download PDFInfo
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- CN101798377B CN101798377B CN2010101306497A CN201010130649A CN101798377B CN 101798377 B CN101798377 B CN 101798377B CN 2010101306497 A CN2010101306497 A CN 2010101306497A CN 201010130649 A CN201010130649 A CN 201010130649A CN 101798377 B CN101798377 B CN 101798377B
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- polyether glycol
- foaming agent
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- Polyurethanes Or Polyureas (AREA)
Abstract
The invention provides an environment-friendly composite applicable to pipeline heat insulation. The environment friendly composite consists of a component A and a component B, wherein the component A consists of the following components: polyether polyol, polyester polyol, foam stabilizing agent, chemical foaming agent, catalysts and physical foaming agent; and the component B is polymethylenepolyphenylisocyanate (PAPI). When in use, the environment friendly polyurethane foam applicable to pipeline heat insulation can be prepared by mixing the component A and the component B by the weight ratio of 100:(100-110). The component A is prepared at the normal temperature, thus saving the energy and reducing the energy supply unit and complicated operations; the preparation of the environment-friendly polyurethane foam material applicable to pipeline heat insulation from the component A and the component B is also carried out at the normal temperature and at the normal pressure, thus, the invention has the advantages of simple process and easy operation; and HFC-365/277 is used as the physical foaming agent to prepare thermal-insulating compounded polyether, thus achieving the purpose of environmental protection, reducing the thermal conductivity coefficient of the foam and meeting the national standards covering various indexes at the same time.
Description
Technical field
The invention provides a kind of with HFC-365/227 (1,1,1,3,3-3-pentafluorobutane and 1,1,1,2,3,3,3-heptafluoro-propane) mixture is that whipping agent is made environment-friendly type combination material that is applied to piping insulation and preparation method thereof, particularly makes the combination material of the environment-friendly type that is applied to piping insulation.
Background technology
HFC-365/227 (1,1,1,3,3-3-pentafluorobutane and 1,1,1,2,3,3,3-heptafluoro-propane) mixture whipping agent is the new variety in the urethane pneumatogen.365mfc (1,1,1,3, the 3-3-pentafluorobutane) belongs to third generation whipping agent, its ODP=0, HFC-365/227 mixture thermal conductivity (25 ℃) is 10.9, so belong to floride-free type combined polyether with its combined polyether of producing, the tool effect of environmental protection, with isocyanic ester combined polyether reaction therewith, obtained foam has the low characteristics of thermal conductivity, will play the positive into effect of urging aspect energy-saving and cost-reducing; While is with short production cycle, efficient is high, power consumption is low, replaces traditional pneumatogen such as F-11 (fluoro trichloromethane), 141b (a fluorine ethylene dichloride) etc. gradually, widely should various piping insulations field.365mfc (1,1,1,3, the 3-3-pentafluorobutane) is the product that Belgian Su Wei company produces, and European similar urethane company has brought into use 365mfc (1,1,1,3, the 3-3-pentafluorobutane) in refrigerator, refrigerator-freezer and sheet material industry, and technology is ripe relatively.My company sets about developing the development of 365mfc (1,1,1,3, the 3-3-pentafluorobutane) type whipping agent in the pipeline field now, and begins to introduce to the market, and this product belongs to international initiative in the pipeline field.
At present, employed pneumatogen is based on 141b (a fluorine ethylene dichloride) in piping insulation type combined polyether, because of the ODP=0.11 of 141b (a fluorine ethylene dichloride), the purpose that wants to reach complete environmental protection is not accomplished, so 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, utilizes HFC-365/227 (1,1,1,3,3-3-pentafluorobutane and 1,1,1,2,3,3,3-heptafluoro-propane) mixture is the making of pneumatogen configuring pipes thermal-insulating type combined polyether, when reaching the environmental protection purpose, reduce the foamy thermal conductivity, 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:30-40;
Polyether glycol B:20-40;
Polyester polyol: 10-30;
Suds-stabilizing agent: 1.0-2.0;
Chemical foaming agent: 1.0-2.0;
Catalyzer: 0.3-2.5;
Pneumatogen: 15-25;
The B component is:
The polymerization diphenylmethanediisocyanate
Described polyether glycol A is 5 functionality, and molecular weight is the polyether glycol of 600-700.
Described polyether glycol B is 4 functionality, and molecular weight is the polyether glycol of 450-550.
Described polyester polyol is 3 functionality, and molecular weight is the polyester polyol of 500-650.
Described suds-stabilizing agent is for being non-hydrolysis silicon-carbon class tensio-active agent, preferred L-6865 (Mai Tu company 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 1,1,1,3,3-3-pentafluorobutane and 1,1,1,2,3,3, and the mixture HFC-365/227 of 3-heptafluoro-propane, wherein the mass content of HFC-365mfc (1,1,1,3, the 3-3-pentafluorobutane) is 87%.
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, commercially available barreled.
During use, with A, B component material by A: B=100: 100～110 weight proportion mixes and promptly can be made into the environment-friendly type combination material that is applied to piping insulation.
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-friendly type group polyurethane foamed material 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, and constant product quality, production cost is low.Utilize HFC-365/227 (1,1,1,3,3-3-pentafluorobutane and 1,1,1,2,3,3, the 3-heptafluoro-propane) mixture is the making of pneumatogen configuring pipes thermal-insulating type combined polyether, when reaching the environmental protection purpose, reduces the foamy thermal conductivity, and 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 :≤10V/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: 40 kilograms of polyether glycol A (5 functionality, molecular weight are 600) respectively, polyether glycol B (4 functionality, molecular weight is 450) 30 kilograms, 10 kilograms of polyester polyols (3.0 functionality, molecular weight are 500), catalyst P C8 (N, the N dimethylcyclohexylamine) 0.32 kilogram of Y-27 (N, N dimethyl benzylamine) is 0.8 kilogram, 1.28 kilograms in water, the L-68651.6 kilogram, the HFC-365/22716 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.
With A, B component material by A: B=100: 100 weight proportions are mixed and made into the environment-protecting polyurethane foam product quality indicator after testing that is applied to piping insulation.
Specific targets are:
Density: 63kg/m
3
Ultimate compression strength: 0.35MPa
Thermal conductivity: 0.023W/m.k
Water-intake rate: 6V/V%
Dimensional stability (100 ℃): 0.9%
Mean pore size 0.3mm
Rate of closed hole 90%
Embodiment 2:
100 kilograms in preparation A component material, weighing: 32 kilograms of polyether glycol A (5 functionality, molecular weight are 650) respectively, polyether glycol B (4 functionality, molecular weight is 500) 32 kilograms, 14 kilograms of polyester polyols (3.0 functionality, molecular weight are 550), catalyst P C8 (N, the N methyl cyclohexylamine) 0.48 kilogram of Y-27 (N, N dimethyl benzylamine) is 0.62 kilogram, 1.3 kilograms in water, the L-68651.2 kilogram, the HFC-365/22718.4 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.
With A, B component material by A: B=100: 105 weight proportions are mixed and made into the environment-protecting polyurethane foam product quality indicator after testing that is applied to piping insulation.
Specific targets are:
Density: 65kg/m
3
Ultimate compression strength: 0.4MPa
Thermal conductivity: 0.024W/m.k
Water-intake rate: 5V/V%
Dimensional stability (100 ℃): 0.88%
Mean pore size 0.3mm
Rate of closed hole 92%
Embodiment 3:
100 kilograms in preparation A component material, weighing: 32 kilograms of polyether glycol A (5 functionality, molecular weight are 700) respectively, polyether glycol B (4 functionality, molecular weight is 550) 36 kilograms, 12 kilograms of polyester polyols (3.0 functionality, molecular weight are 650), catalyst P C8 (N, the N dimethylcyclohexylamine) 0.56 kilogram of Y-27 (N, N dimethyl benzylamine) is 0.4 kilogram, 1.44 kilograms in water, 1.6 kilograms of L-6865,16.0 kilograms of HFC-365/227.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.
With A, B component material by A: B=100: 1 10 weight proportions are mixed and made into the environment-protecting polyurethane foam product quality indicator after testing that is applied to piping insulation.
Density: 64kg/m
3
Ultimate compression strength: 0.41MPa
Thermal conductivity: 0.025W/m.k
Water-intake rate: 3V/V%
Dimensional stability (100 ℃): 0.78%
Mean pore size 0.3mm
Rate of closed hole 91%
Claims (2)
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:30-40;
Polyether glycol B:20-40;
Polyester polyol: 10-30;
Suds-stabilizing agent: 1.0-3.0;
Chemical foaming agent: 1.0-2.0;
Catalyzer: 0.3-2.5;
Pneumatogen: 15-25;
The B component is:
The polymerization diphenylmethanediisocyanate
A component and B component are pressed A: B=100: 100～110 weight proportion mixes;
Wherein:
Described polyether glycol A is 5 functionality, and molecular weight is the polyether glycol of 600-700;
Described polyether glycol B is 4 functionality, and molecular weight is the polyether glycol of 450-550;
Described polyester polyol is 3 functionality, and molecular weight is the polyester polyol of 500-650;
Described suds-stabilizing agent is non-hydrolysis silicon-carbon class tensio-active agent;
Described chemical foaming agent is a water;
Described catalyzer is a tertiary amine catalyst;
Described pneumatogen is 1,1,1,3,3-3-pentafluorobutane and 1,1,1,2,3,3, and the mixture of 3-heptafluoro-propane, wherein 1,1,1,3, the mass content of 3-3-pentafluorobutane is 87%.
2. 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, commercially available barreled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101306497A CN101798377B (en) | 2010-03-24 | 2010-03-24 | Environment-friendly composite applicable to pipeline heat insulation and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101306497A CN101798377B (en) | 2010-03-24 | 2010-03-24 | Environment-friendly composite applicable to pipeline heat insulation and preparation method thereof |
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|---|---|
| CN101798377A CN101798377A (en) | 2010-08-11 |
| CN101798377B true CN101798377B (en) | 2011-09-21 |
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| CN2010101306497A Withdrawn - After Issue CN101798377B (en) | 2010-03-24 | 2010-03-24 | Environment-friendly composite applicable to pipeline heat insulation and preparation method thereof |
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Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167898A (en) * | 2010-11-29 | 2011-08-31 | 山东东大聚合物股份有限公司 | Environment-friendly composite material applied to heat preservation of pipeline and preparation method thereof |
| CN102167900A (en) * | 2010-11-30 | 2011-08-31 | 山东东大聚合物股份有限公司 | Environmentally-friendly composite material applied to pipeline heat preservation 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 |
| CN102875771B (en) * | 2012-09-30 | 2014-06-11 | 滕州市华海新型保温材料有限公司 | Combined polyether for flame-retardant continuous glass fiber reinforced polyurethane sleeper material 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 |
| CN102911334A (en) * | 2012-11-14 | 2013-02-06 | 滕州市华海新型保温材料有限公司 | B1-grade high-fire-retardant low-smoke-generation rigid polyurethane foam |
| CN102936326B (en) * | 2012-11-22 | 2015-03-18 | 山东一诺威新材料有限公司 | Polyurethane spray-coating composite material for storage tank thermal insulation 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 |
| CN103242638B (en) * | 2013-04-28 | 2015-04-01 | 淄博职业学院 | Microorganism carrier added with nanometer silicon dioxide and preparation method thereof as well as application of microorganism carrier |
| CN104558511B (en) * | 2015-01-28 | 2017-05-10 | 上海东大聚氨酯有限公司 | Polyurethane conjugated polyether and polyurethane hull prepared by using polyurethane conjugated polyether and production method of polyurethane hull |
| 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 |
| CN105348482B (en) * | 2015-11-25 | 2018-02-23 | 山东一诺威新材料有限公司 | Pipeline poly-isocyanurate type combined polyether and its preparation method and application |
| CN105601883B (en) * | 2016-03-23 | 2018-04-27 | 天津市迈克尔科技有限公司 | Hard polyurethane foam thermal insulating warm-keeping layer for Cryo Heat Insulation pipeline and preparation method thereof |
| CN107033327B (en) * | 2017-05-24 | 2020-01-21 | 烟台市顺达聚氨酯有限责任公司 | High-compression-resistance polyurethane composite material for ground of refrigeration house 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6562880B1 (en) * | 2002-04-17 | 2003-05-13 | Bayer Corporation | Polyurethane or polyisocyanurate foams blown with hydrofluorocarbons and carbon atoms |
| US20060258762A1 (en) * | 2005-05-13 | 2006-11-16 | Dobransky Michael A | Hydrocarbon or hydrofluorocarbon blown ASTM E-84 class I rigid polyurethane foams |
| CN100509903C (en) * | 2006-12-28 | 2009-07-08 | 四川师范大学 | Hard polyurethane foam plastic |
| CN100509899C (en) * | 2006-12-28 | 2009-07-08 | 四川师范大学 | Hard polyurethane foam plastic prepared by third-generation foaming agent |
| CN101235128A (en) * | 2007-12-28 | 2008-08-06 | 厦门高特高新材料有限公司 | Continuous fibre enhancement polyurethane foam material and manufacturing method thereof |
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Owner name: SHANDONG DONGDA INOV NEW MATERIAL CO., LTD. Free format text: FORMER OWNER: SHANDONG DONGDA POLYMERS CO., LTD. Effective date: 20120326 |
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Effective date of registration: 20120326 Address after: 255000 D, block 801, high tech park, hi tech Zone, Shandong, Zibo Patentee after: Shandong Dongda Inov New Material Co., Ltd. Address before: 255000 D, block 801, high tech park, hi tech Zone, Shandong, Zibo Patentee before: Shandong Dongda Polymers Co., Ltd. |
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