CN101570987A - Polyurethane composite insulation board and preparation method thereof - Google Patents
Polyurethane composite insulation board and preparation method thereof Download PDFInfo
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- CN101570987A CN101570987A CNA2009100435318A CN200910043531A CN101570987A CN 101570987 A CN101570987 A CN 101570987A CN A2009100435318 A CNA2009100435318 A CN A2009100435318A CN 200910043531 A CN200910043531 A CN 200910043531A CN 101570987 A CN101570987 A CN 101570987A
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Abstract
The invention discloses a polyurethane composite insulation board, which consists of a surface layer and an insulating layer, wherein the surface layer is fiber reinforced polyurethane, the density range of the surface layer is between 0.1 and 1.2 g/cm<3>, and the surface layer contains 5 to 50 percent of reinforcing fiber; and the insulating layer is low-density polyurethane, the density range of the insulating layer is between 0.01 and 0.4 g/cm<3>, and the insulating layer contains 5 to 50 percent of reinforcing fiber. A preparation method comprises the following steps: (1) opening an upper mold and a lower mold, evenly laying the polyurethane and glass fiber in a female mold, closing the molds and foaming to manufacture the surface layer; (2) spraying and laying the low-density polyurethane or the fully-mixed reinforcing fiber or the low-density polyurethane of structural polyurethane on the surface layer by adopting special spraying equipment, forming and molding, and manufacturing the insulating layer to form the composite insulation board; and (3) taking out the insulation board. The insulation board has light dead weight, good effect of heat insulation, high strength, difficult deformation, simple manufacturing process and low cost.
Description
Technical field:
The present invention relates to building materials field, specifically refer to a kind of polyurethane composite heat-conservation board and preparation method thereof.
Background technology:
Along with the contradiction of rapid development of economy and energy scarcity becomes increasingly conspicuous the energy-conservation fundamental state policy of China that become.Wherein higher with building energy consumption especially, energy waste is serious, and country has begun building energy conservation made energy-conservation 50% compulsory standard, and increasing place begins to carry out the compulsory standard of building energy conservation 65%.Yet all there are various different defectives in employed various wall thermal insulation technologies on the building exterior wall heat preserving market at home.China's wall heat insulation material mainly is divided into polystyrene, polyurethane two big classes at present.
There are following several shortcomings in the polystyrene type heat preservation plate material as the heat insulating material of present widespread usage: 1, heat insulating effect is than polyurethane difference, 2, bad mechanical property and yielding such as intensity, 3, corroded by coating easily, 4, non-refractory, inflammable, fireproof performance is poor, 5, in a single day seepage appears in poor, the waterproofing course of water resistance, and heat insulation function lost efficacy immediately.
The polyurethanes performance of heat protective material is good, has overcome the shortcoming of polystyrene type heat insulating material, more and more is applied to the building heat preservation field.Polyurethane composite heat-conservation board has three layers usually at present, insulation layer, tack coat and inorganic material plate, and have following several shortcomings: 1, the inorganic material plate makes warming plate from great, increases the load to building; 2, insulation layer intensity is low, and is easy to crack, influences the warming plate heat insulation effect; 3, insulation layer and inorganic material plate need bonding, and complex process, production efficiency are low.
Summary of the invention:
The object of the present invention is to provide a kind of warming plate from heavy and light, good effect of heat insulation, intensity height, be difficult for the polyurethane composite heat-conservation board of strain cracking, and manufacture craft is simple, cost is low.Another object of the present invention is to provide a kind of preparation method of polyurethane composite heat-conservation board.
The object of the present invention is achieved like this, this polyurethane composite heat-conservation board is made up of surface course, insulation layer, and surface course is close to the one side of insulation layer, and described surface course is a structure polyurethane, and density range is at 0.1～1.4g/cm
3, wherein containing 5%～50% fortifying fibre, insulation layer is a low-density polyurethane.
Described insulation layer is a low-density polyurethane, and density range is at 0.01～0.4g/cm
3, wherein contain 5%～50% fortifying fibre.
Described insulation layer is a low-density polyurethane, wherein contains 3%～40% structure polyurethane, and density range is at 0.01～0.4g/cm
3
Described fortifying fibre length 5～100mm.
Described fortifying fibre is glass fiber, ceramic fibre, asbestos fiber, carbon fiber, polypropylene fibre, mineral wool, high silica fiber, alumina fibre, vinylon.
Described surface layer thickness is 1～15mm, and insulation layer thickness is 5～75mm.
The making Preparation Method of above-mentioned polyurethane composite heat-conservation board comprises the steps:
(1), upper and lower mould opens, and adopts spraying device special with polyurethane and fully mix the fortifying fibre that soaks into polyurethane, even, universal spray, lay are in die, upper and lower mould matched moulds foaming then is made into surface course;
(2), the surface course of making is placed in the mould, adopt spraying device special with low-density polyurethane or fully mix the low-density polyurethane of fortifying fibre or structure polyurethane, evenly, universal spray, lay are to surface course, the closed die cover plate carries out foaming, be made into insulation layer, make insulation layer and surface course secure bond by foaming generation internal pressure and the superpower self-adhesion performance of polyurethane, form the polyurethane composite heat-conservation board of one;
(3), take out polyurethane composite heat-conservation board.
Because surface course, the insulation layer of polyurethane composite heat-conservation board, main component is polyurethane, and polyurethane belongs to high-performance heat-insulation and heat-preservation material, good effect of heat insulation, surface course adopts structure polyurethane, and even, the universal fortifying fibre that added, mechanical performances such as intensity and rigidity improve greatly, are 0.4g/m3 as density, glass length is 50mm, glass fiber content is 25% o'clock, and its compressive strength, tensile strength all can reach 40MPa, and coefficient of thermal conductivity is 0.25～0.30w/ (mK); By adjusting the system and the prescription of polyurethane, the thickness of the ratio of fortifying fibre and length, surface layer is produced the surface course of different densities, different performance requirement; Effect of heat insulation for thermal insulation layer in the middle of guaranteeing generally adopts the low-density polyurethane system, and the physical blowing agent foaming guarantees that density is low, and the polyurethane abscess is even; Although density is low, the intensity of polyurethane own is low, but because added fortifying fibre or structure polyurethane, mechanical performances such as compressive strength, tensile strength have also been improved greatly, be difficult for strain cracking, possess excellent heat insulation performance simultaneously, the polyurethane coefficient of thermal conductivity of insulation layer can reach 0.022w/ (mK); As density is 0.04g/cm3, and glass length is 25mm, and glass fiber content is 25% o'clock, and its compressive strength, tensile strength all can reach 1.5MPa, and coefficient of thermal conductivity is 0.023w/ (mK).As in the low-density polyurethane that constitutes insulation layer, add 5% surface layer structure polyurethane, density is 0.05g/cm3, glass length is 25mm, glass fiber content is 25% o'clock, and its compressive strength, tensile strength all can be brought up to 2.5MPa, and coefficient of thermal conductivity is 0.023w/ (mK); By adjusting the prescription of polyurethane, the thickness of the ratio of fortifying fibre and length, insulation layer, or adding structure polyurethane ratio, after low-density polyurethane, fortifying fibre or two kinds of materials of structure polyurethane mix, produce the insulation layer of different densities, different performance requirement, three kinds of materials of also available low-density polyurethane, fortifying fibre, structure polyurethane mix and form intensity height, insulation layer that thermal and insulating performance is good; The ratio that adds structure polyurethane in low-density polyurethane is high more, and density increases, and mechanical performances such as resistance to compression, tension improve; By the combination of different table surface layer and different insulation layers, produce the polyurethane composite heat-conservation board that satisfies different market demands.
This polyurethane composite heat-conservation board is from heavy and light, the intensity height, and good weatherability, dimensional stability is good, this plate can be fixed on the metope, directly decorate processing, as be coated with Puttying, coating etc. at surface course, can effectively reduce the site operation difficulty, raise the efficiency, reduce integrated cost.This polyurethane composite heat-conservation board produces internal pressure by foaming and the superpower self-adhesion performance of polyurethane makes insulation layer and surface course secure bond; need not the operation that bonds; preparation method technology is simple; can realize that industrialization, scale produce continuously; the reduction cost of manufacture of ensuring the quality of products is enhanced productivity.
The present invention is further described below in conjunction with accompanying drawing
Description of drawings:
Fig. 1 polyurethane composite heat-conservation board structural representation
The specific embodiment:
This polyurethane composite heat-conservation board is made up of surface course 3, insulation layer 2, and surface course 3 is close to the one side of insulation layer 2, and described surface course 3 is a structure polyurethane, and density range is at 0.1～1.4g/cm
3, wherein containing 5%～50% fortifying fibre, insulation layer 2 is a low-density polyurethane.Described insulation layer 2 is a low-density polyurethane, and density range is at 0.01～0.4g/cm
3, wherein contain 5%～50% fortifying fibre, according to instructions for use, by adjusting prescription, technological parameters such as reinforced fiber content and fortifying fibre length reach different physical and chemical performances.
Described insulation layer 2 is a low-density polyurethane, and density range is at 0.01～0.4g/cm
3, wherein contain 3%～40% structure polyurethane.
The another side of insulation layer 2 also can be provided with surface course 1, and surface course 1 can be structure polyurethane, and density range wherein contains 5%～50% fortifying fibre at 0.1～1.4g/cm3, or lightweight organic material such as surface course 1 usefulness paper, cloth, fortifying fibre net; Surface course 1 also can be made inorganic material, and the inorganic material surface layer is selected from calcium silicate board, unorganic glass steel plate, gypsum plank, cement board, magnesite plate or glass magnesium plate.
Fortifying fibre length 5～100mm.
The thickness of surface course 1,3 is 1～15mm, and insulation layer 2 thickness are 5～75mm.
Described fortifying fibre can be chosen other organic or inorganic fibrous material according to the different demands of product as structural meterials and substitute, for example: a kind of in glass fiber, ceramic fibre, asbestos fiber, carbon fiber, polypropylene fibre, mineral wool, high silica fiber, alumina fibre, the vinylon or several.
The making Preparation Method of above-mentioned polyurethane composite heat-conservation board comprises the steps:
(1), upper and lower mould opens, and adopts spraying device special with polyurethane and fully mix the fortifying fibre spray of soaking into polyurethane, lay in die, upper and lower mould matched moulds foaming then is made into surface course 3;
(2), the surface course of making 3 is placed in the mould, adopt spraying device special with low-density polyurethane or fully mix the low-density polyurethane of fortifying fibre or structure polyurethane, evenly, universal spray, lay are to surface course 3, the closed die cover plate carries out foaming, be made into insulation layer 2, make insulation layer 2 and surface course 3 secure bond by foaming generation internal pressure and the superpower self-adhesion performance of polyurethane, form the polyurethane composite heat-conservation board of one; If any surface course 1, before the matched moulds surface course 1 is fixed on the patrix inner surface;
(3), take out polyurethane composite heat-conservation board.
Upper and lower mould is opened, with polyurethane and the abundant glass fiber that soaks into polyurethane that mixes, evenly spray, lay are in die, 1～15mm thick structure polyurethane surface laminate 3 is made in upper and lower mould matched moulds foaming then, make surperficial laminate 3 after, on mould inner surface laminate 3, spray, spread low-density polyurethane again, press down the closed die cover plate simultaneously, carry out foamed solidification, its THICKNESS CONTROL is at 50mm.Make insulation layer 2 and surface course 3 strong bonded, polyurethane composite heat-conservation board moulding by foaming generation internal pressure and the superpower self-adhesion performance of polyurethane.
Foam production is made surperficial laminate 1,3 in mould, and upper and lower mould is opened, and polyurethane is reached the abundant even lay of glass fiber that mixes infiltration polyurethane in die, and surperficial laminate 1,3 is made in upper and lower mould matched moulds foaming then respectively; Surperficial laminate 3 is placed mold bottom, and surperficial laminate 1 is fixed on the die cover plate inner surface; Adopt spraying device special spray, shop fully to mix the low-density polyurethane of fortifying fibre or structure polyurethane, the closed die cover plate carries out foaming, make insulation layer 2 and surperficial laminate 1,3 secure bond, polyurethane composite heat-conservation board moulding by foaming generation internal pressure and the superpower self-adhesion performance of polyurethane.Surface layer 1 can be fixed on before the matched moulds on the patrix inner surface with other organic or inorganic material.
Claims (9)
1. a polyurethane composite heat-conservation board is made up of surface course, insulation layer, and surface course is close to the one side of insulation layer, it is characterized in that: described surface course is a structure polyurethane, and density range is at 0.1～1.4g/cm
3, wherein containing 5%～50% fortifying fibre, insulation layer is a low-density polyurethane.
2. polyurethane composite heat-conservation board according to claim 1 is characterized in that: described insulation layer is a low-density polyurethane, and density range is at 0.01～0.4g/cm
3, wherein contain 5%～50% fortifying fibre.
3. polyurethane composite heat-conservation board according to claim 1 is characterized in that: described insulation layer is a low-density polyurethane, and density range is at 0.01～0.4g g/cm
3, wherein contain 3%～40% structure polyurethane.
4. according to claim 1,2 or 3 described polyurethane composite heat-conservation boards, it is characterized in that: described insulation layer another side also is provided with surface course, and surface course is a structure polyurethane, and density range is at 0.1～1.4g/cm
3, wherein contain 5%～50% fortifying fibre.
5. polyurethane composite heat-conservation board according to claim 4 is characterized in that: described fortifying fibre length 5～100mm.
6. polyurethane composite heat-conservation board according to claim 4 is characterized in that: described fortifying fibre is glass fiber, ceramic fibre, asbestos fiber, carbon fiber, polypropylene fibre, mineral wool, high silica fiber, alumina fibre, vinylon.
7. polyurethane composite heat-conservation board according to claim 4 is characterized in that: described surface course can be the lightweight organic material.
8. polyurethane composite heat-conservation board according to claim 4 is characterized in that: described surface layer thickness is 1～15mm, and insulation layer thickness is 5～75mm.
9. the making Preparation Method as polyurethane composite heat-conservation board as described in the claim 1,2 or 3 is characterized in that: comprise the steps:
(1), upper and lower mould opens, with polyurethane and fully mix the fortifying fibre that soaks into polyurethane, evenly spray, lay are in die, upper and lower mould matched moulds foaming then is made into surface course;
(2), the surface course of making is placed in the mould, adopt spraying device special with low-density polyurethane or fully mix the low-density polyurethane of fortifying fibre or structure polyurethane, evenly, universal spray, lay are to surface course, the closed die cover plate carries out foaming, be made into insulation layer, make insulation layer and surface course secure bond by foaming generation internal pressure and the superpower self-adhesion performance of polyurethane, form the polyurethane composite heat-conservation board of one;
(3), take out polyurethane composite thermal insulation decorative board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100435318A CN101570987A (en) | 2009-05-27 | 2009-05-27 | Polyurethane composite insulation board and preparation method thereof |
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|---|---|---|---|
| CNA2009100435318A CN101570987A (en) | 2009-05-27 | 2009-05-27 | Polyurethane composite insulation board and preparation method thereof |
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| CN101570987A true CN101570987A (en) | 2009-11-04 |
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| CNA2009100435318A Pending CN101570987A (en) | 2009-05-27 | 2009-05-27 | Polyurethane composite insulation board and preparation method thereof |
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Cited By (21)
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| CN102173024A (en) * | 2011-01-13 | 2011-09-07 | 鲁宁 | Polyurethane integrated plate produced by mold embedded with reclaimed material and production process thereof |
| CN102248727A (en) * | 2011-05-27 | 2011-11-23 | 常州市华星新材料科技有限公司 | Polyurethane foam sandwich continuous fiber reinforcement composite plate molding process |
| CN102615884A (en) * | 2012-03-26 | 2012-08-01 | 天津市宇特感光树脂板材科技有限公司 | Glass fiber reinforced composite heat-insulation plate, manufacturing method thereof and application |
| CN102817416A (en) * | 2011-06-10 | 2012-12-12 | 周勇 | Fiber-reinforced inorganic insulation board |
| CN103015544A (en) * | 2012-11-23 | 2013-04-03 | 苏州科信遮阳新材料科技有限公司 | Extrusion molded polyphenyl composite heat preservation plate |
| CN103038059A (en) * | 2010-09-14 | 2013-04-10 | 旭玻璃纤维股份有限公司 | Surface material strengthening foam |
| CN103753884A (en) * | 2013-12-02 | 2014-04-30 | 浙江高铭节能科技有限公司 | Thermal-insulation material for aviation and navigation and preparation method thereof |
| CN103912781A (en) * | 2013-11-22 | 2014-07-09 | 芜湖长启炉业有限公司 | Double-groove double-surface ceramic foamed aluminum plate |
| CN104002879A (en) * | 2014-05-27 | 2014-08-27 | 长城汽车股份有限公司 | Automobile spare tire cover plate and processing process and processing device thereof |
| CN106193492A (en) * | 2016-07-08 | 2016-12-07 | 彭东林 | A kind of interior decoration composite plate |
| CN106320545A (en) * | 2016-08-18 | 2017-01-11 | 张振堂 | Composite insulation board |
| CN106700018A (en) * | 2016-12-30 | 2017-05-24 | 江苏长顺高分子材料研究院有限公司 | High-flame retardation and high-strength polyurethane heat insulation coat and production method thereof |
| CN106958305A (en) * | 2017-04-01 | 2017-07-18 | 南京锎巴新材料科技有限公司 | A kind of polyurethane-base high-strength light integrated wall and its spraying preparation method |
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| CN110626020A (en) * | 2019-08-06 | 2019-12-31 | 衢州艾科科技有限公司 | Polyurethane reinforced composite material and preparation method thereof |
| CN110670238A (en) * | 2019-09-18 | 2020-01-10 | 关会堂 | Anti-wrinkle high-elasticity hemp-cotton composite fiber and preparation method thereof |
| CN111300716A (en) * | 2019-11-29 | 2020-06-19 | 上海新安汽车隔音毡有限公司 | Manufacturing method of fireproof PUR decorative cover of automobile engine |
| CN112549704A (en) * | 2020-12-02 | 2021-03-26 | 宁波耀众模塑科技有限公司 | High-strength polyurethane plate and processing technology and application thereof |
| CN114431677A (en) * | 2021-11-22 | 2022-05-06 | 哈斯曼制冷科技（苏州）有限公司 | Method for preventing condensation of shelf laminate |
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| CN116591326A (en) * | 2023-05-22 | 2023-08-15 | 广东大昌保温节能科技有限公司 | Intelligent composite insulation board |
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2009
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103038059A (en) * | 2010-09-14 | 2013-04-10 | 旭玻璃纤维股份有限公司 | Surface material strengthening foam |
| CN102173024B (en) * | 2011-01-13 | 2013-10-09 | 鲁宁 | Polyurethane integrated plate produced by mold embedded with reclaimed material and production process thereof |
| CN102173024A (en) * | 2011-01-13 | 2011-09-07 | 鲁宁 | Polyurethane integrated plate produced by mold embedded with reclaimed material and production process thereof |
| CN102248727A (en) * | 2011-05-27 | 2011-11-23 | 常州市华星新材料科技有限公司 | Polyurethane foam sandwich continuous fiber reinforcement composite plate molding process |
| CN102817416A (en) * | 2011-06-10 | 2012-12-12 | 周勇 | Fiber-reinforced inorganic insulation board |
| CN102615884A (en) * | 2012-03-26 | 2012-08-01 | 天津市宇特感光树脂板材科技有限公司 | Glass fiber reinforced composite heat-insulation plate, manufacturing method thereof and application |
| CN102615884B (en) * | 2012-03-26 | 2015-07-29 | 天津市宇特感光树脂板材科技有限公司 | Glass-fiber reinforced composite insulation boards and preparation method thereof and purposes |
| CN103015544A (en) * | 2012-11-23 | 2013-04-03 | 苏州科信遮阳新材料科技有限公司 | Extrusion molded polyphenyl composite heat preservation plate |
| CN103912781A (en) * | 2013-11-22 | 2014-07-09 | 芜湖长启炉业有限公司 | Double-groove double-surface ceramic foamed aluminum plate |
| CN103753884A (en) * | 2013-12-02 | 2014-04-30 | 浙江高铭节能科技有限公司 | Thermal-insulation material for aviation and navigation and preparation method thereof |
| CN104002879A (en) * | 2014-05-27 | 2014-08-27 | 长城汽车股份有限公司 | Automobile spare tire cover plate and processing process and processing device thereof |
| CN104002879B (en) * | 2014-05-27 | 2016-08-24 | 长城汽车股份有限公司 | Cover plate of spare tire of automobile and processing technique, process equipment |
| CN106193492A (en) * | 2016-07-08 | 2016-12-07 | 彭东林 | A kind of interior decoration composite plate |
| CN106320545A (en) * | 2016-08-18 | 2017-01-11 | 张振堂 | Composite insulation board |
| CN106700018A (en) * | 2016-12-30 | 2017-05-24 | 江苏长顺高分子材料研究院有限公司 | High-flame retardation and high-strength polyurethane heat insulation coat and production method thereof |
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| CN110626020A (en) * | 2019-08-06 | 2019-12-31 | 衢州艾科科技有限公司 | Polyurethane reinforced composite material and preparation method thereof |
| CN110626020B (en) * | 2019-08-06 | 2021-12-14 | 衢州艾科科技有限公司 | Polyurethane reinforced composite material and preparation method thereof |
| CN110670238A (en) * | 2019-09-18 | 2020-01-10 | 关会堂 | Anti-wrinkle high-elasticity hemp-cotton composite fiber and preparation method thereof |
| CN110670238B (en) * | 2019-09-18 | 2020-11-24 | 关会堂 | Anti-wrinkle high-elasticity hemp-cotton composite fiber and preparation method thereof |
| CN111300716A (en) * | 2019-11-29 | 2020-06-19 | 上海新安汽车隔音毡有限公司 | Manufacturing method of fireproof PUR decorative cover of automobile engine |
| CN112549704A (en) * | 2020-12-02 | 2021-03-26 | 宁波耀众模塑科技有限公司 | High-strength polyurethane plate and processing technology and application thereof |
| CN114431677A (en) * | 2021-11-22 | 2022-05-06 | 哈斯曼制冷科技（苏州）有限公司 | Method for preventing condensation of shelf laminate |
| CN114953644A (en) * | 2022-04-29 | 2022-08-30 | 城资泰诺(山东)新材料科技有限公司 | Fiber-reinforced thermoplastic insulation board and preparation method thereof |
| CN116591326A (en) * | 2023-05-22 | 2023-08-15 | 广东大昌保温节能科技有限公司 | Intelligent composite insulation board |
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