CN103174225A - Flame retarding polyurethane or phenolic aldehyde honeycomb heat insulating core materials and preparation method of base core thereof - Google Patents
Flame retarding polyurethane or phenolic aldehyde honeycomb heat insulating core materials and preparation method of base core thereof Download PDFInfo
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- CN103174225A CN103174225A CN201310078471XA CN201310078471A CN103174225A CN 103174225 A CN103174225 A CN 103174225A CN 201310078471X A CN201310078471X A CN 201310078471XA CN 201310078471 A CN201310078471 A CN 201310078471A CN 103174225 A CN103174225 A CN 103174225A
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- honeycomb
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Abstract
The invention discloses flame retarding polyurethane or phenolic aldehyde honeycomb heat insulating core materials. The flame retarding polyurethane or phenolic aldehyde honeycomb heat insulating core materials comprise a plurality of base cores, wherein base cores are made of toughened paper which is evenly and continuously distributed along a plane, and each base core is filled with flame retarding heat insulating materials. Due to the fact that the honeycomb base cores are added to enhance intensity, the intensity of the flame retarding polyurethane or phenolic aldehyde honeycomb heat insulating core materials is improved to high intensity of 5 MPa to 10 MPa from the intensity of a normal heat insulating plate of 0.1 MPa. The problems that intensity is low, a shrinking percentage is high, and bonding strength is poor, exterior wall external insulation falling and serious warping are further caused, and the hidden danger of safety and quality is finally caused in the prior art are solved.
Description
Technical field
The invention belongs to the building heat preservation technical field of structures, relate to a kind of flame retardant polyurethane or phenolic aldehyde honeycomb heat insulation core material, the invention still further relates to the preparation method of its basic core.
Background technology
Low, the soft foaming kind shaped materials of warming plate intensity such as the molding polyphenyl plate that existing market is used, extruded sheet, cause because its tensile strength is low that adhesive strength is poor, the body weak strength, cause high material self deficiency that waits of shrinkage factor, what make it to occur skin does not deposit the phenomenon here hair is deposited, and causes that falling appears in external wall outer insulation, serious warpage causes a series of safety and hidden danger of quality.
Summary of the invention
The purpose of this invention is to provide a kind of flame retardant polyurethane or phenolic aldehyde honeycomb heat insulation core material, solved the intensity that exists in the prior art low, shrinkage factor is high, adhesive strength is poor and cause the problem that falling appears in external wall outer insulation, serious warpage causes safety and hidden danger of quality.
The technical solution adopted in the present invention is, a kind of flame retardant polyurethane or phenolic aldehyde honeycomb heat insulation core material comprise the some basic core of making along the tempering paper of the even continuous distributed of same plane, and each basic in-core all is filled with flame-retardant thermal insulation material.
Characteristics of the present invention also are,
Wherein flame-retardant thermal insulation material is flame retardant polyurethane or phenolic aldehyde.
Wherein each basic core is the regular hexagon structure, is honeycomb arrangement between each basic core.
Diameter 2mm-the 50mm of each basic core wherein.
The present invention also aims to provide the preparation method of basic core in above-mentioned core, implement according to following steps:
1) honeycomb paper is immersed in fire retardant glue and to soak 2-5 minute;
2) soaked honeycomb paper is carried out the differential stretching and form basic core, until each basic core is regular polygon;
3) honeycomb paper that stretches is carried out drying and shaping by microwave or drying plant, and get final product.
Fire retardant glue described in step 1) is silicate solutions or phenolic resins presoak.
Wherein the mass concentration of silicate solutions is 60%-80%.
The invention has the beneficial effects as follows, by adding cellular basic core, gain in strength, make its intensity rise to the high strength of 5-10 MPas than conventional warming plate 0.1 MPa, honeycomb and the insulation high-strength heat preservation core that is composited has improved the quality bottleneck that on market, heat insulating material is crisp, soft.
Description of drawings
Fig. 1 is the structural representation of a kind of flame retardant polyurethane of the present invention or phenolic aldehyde honeycomb heat insulation core material.
In figure, 1. basic core, 2. flame-retardant thermal insulation material.
The specific embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
The invention provides a kind of flame retardant polyurethane or phenolic aldehyde honeycomb heat insulation core material, as shown in Figure 1, comprise the some basic core 1 of making along the tempering paper of the even continuous distributed of same plane, each basic core 1 is interior all is filled with the flame-retardant thermal insulation material 2 that flame retardant polyurethane or phenolic aldehyde are made, each basic core 1 is the regular hexagon structure, is honeycomb arrangement between each basic core 1.
Honeycomb structure intensity is very high, and weight is very light again, also is of value to sound insulation and heat insulation.Therefore, present space shuttle, artificial satellite, spaceship adopt honeycomb structure in a large number in inside, and the shell of satellite is all almost also honeycomb structure.Therefore, these spacecrafts are referred to as again " honeycomb fashion spacecraft ".
The preparation method of basic core 1 wherein, implement according to following steps:
1) honeycomb paper is immersed in inorganic fire-retarded glue and to soak 2-5 minute, wherein fire retardant glue is that mass concentration is silicate solutions or the phenolic resins presoak of 60%-80%;
2) soaked honeycomb paper is carried out differential and stretch, utilize speed difference, honeycomb paper is pulled open formed basic core, until each basic core is regular polygon;
3) honeycomb paper that stretches is dried at the temperature of 80 ℃ by microwave or drying plant carried out drying and shaping in 2-3 minute.
Honeycomb paper is immersed in inorganic fire-retarded glue soaked 2 minutes, wherein fire retardant glue is that mass concentration is 80% silicate solutions or phenolic resins presoak; Then soaked honeycomb paper is carried out differential and stretch, utilize speed difference, honeycomb paper is pulled open formed basic core, until each basic core is regular polygon; At last the honeycomb paper that stretches is dried at the temperature of 80 ℃ by microwave or drying plant and carried out drying and shaping in 3 minutes, and get final product.
Honeycomb paper is immersed in inorganic fire-retarded glue soaked 5 minutes, wherein fire retardant glue is that mass concentration is 70% silicate solutions or phenolic resins presoak; Then soaked honeycomb paper is carried out differential and stretch, utilize speed difference, honeycomb paper is pulled open formed basic core, until each basic core is regular polygon; At last the honeycomb paper that stretches is dried at the temperature of 80 ℃ by microwave or drying plant and carried out drying and shaping in 2 minutes, and get final product.
Embodiment 3
Honeycomb paper is immersed in inorganic fire-retarded glue soaked 4 minutes, wherein fire retardant glue is that mass concentration is 60% silicate solutions or phenolic resins presoak; Then soaked honeycomb paper is carried out differential and stretch, utilize speed difference, honeycomb paper is pulled open formed basic core, until each basic core is regular polygon; At last the honeycomb paper that stretches is dried at the temperature of 80 ℃ by microwave or drying plant and carried out drying and shaping in 2.5 minutes, and get final product.
The length of heat insulation core material of the present invention is drift, the thickness of wherein making the tempering paper of basic core 1 is 0.2mm-1.0mm, honeycomb base core height: 20mm-500mm, the scope of application comprises: workshop, the Ge Qiang of office, steel work room exterior wall maintenance, decorative building material, prefabricated house office building etc., the fire-protection rating of heat insulation core material of the present invention is that B1-B2(is fire-retardant), hydroscopicity is 1%.
The present invention is take the regular hexagon tempering flame-retardant paper honeycomb core of aperture 2mm-50mm as basic core, inject the urethane raw foaming and form the high-strength insulation board core material, improve the bonding firm intensity of non-deformability, increase and basic unit, the life-span of prolongation outer wall heat preservation system.
The production technology of core of the present invention is:
1) by special production line, produce fire-retardant honeycomb base core, enter subsequently the production line stage casing and complete comb core tempering dipping process, after the hot setting typing, namely complete tempering honeycomb base core.
2) tempering honeycomb base core is sprawled be put into conveyer belt, be delivered to the flame retardant polyurethane production line workbench, the flame retardant polyurethane production line pours into black and white polyurathamc or phenolic aldehyde raw material by spray, complete temperature control, pressurization, foaming process in the production line stage casing, namely produce flame retardant polyurethane of the present invention or phenolic aldehyde heat preserving core.
The present invention is through the use at No. 6 laboratory buildings of undertaking area of Xi'an Communications University, finish coat adopts the silicon-aluminum-magnesium aluminum composite plate, with the decoration panel flanging of slotting, in decoration panel foldable type cavity, place the basic core 1 that tempering paper of the present invention is made, then pour into white polyurethane material, react foaming with the temperature of 100 ℃-110 ℃ in equipment, insulation and decoration integrated plate after moulding, intensity reaches 12 MPas, and the resistance form quotient is less than 2 ‰, the shingle nail after installation, planeness is high, the wide atmosphere of decorative effect.Through a summer and a winter, visual deformation of unevenness and alice phenomenon do not appear.
Claims (8)
1. a flame retardant polyurethane or phenolic aldehyde honeycomb heat insulation core material, is characterized in that, comprises the some basic core (1) of making along the tempering paper of the even continuous distributed of same plane, all is filled with flame-retardant thermal insulation material (2) in each basic core (1).
2. flame retardant polyurethane according to claim 1 or phenolic aldehyde honeycomb heat insulation core material, is characterized in that, described flame-retardant thermal insulation material (2) is flame retardant polyurethane or phenolic aldehyde.
3. flame retardant polyurethane according to claim 1 or phenolic aldehyde honeycomb heat insulation core material, is characterized in that, described each basic core (1) is the regular hexagon structure, is honeycomb arrangement between each basic core (1).
4. flame retardant polyurethane according to claim 3 or phenolic aldehyde honeycomb heat insulation core material, is characterized in that, the diameter 2mm-50mm of each basic core (1).
5. the preparation method of basic core described in a claim 1, is characterized in that, implements according to following steps:
1) honeycomb paper is immersed in fire retardant glue and to soak 2-5 minute;
2) soaked honeycomb paper is carried out the differential stretching and form basic core, until each basic core is regular polygon;
3) honeycomb paper that stretches is carried out drying and shaping by microwave or drying plant, and get final product.
6. preparation method according to claim 5, is characterized in that, fire retardant glue described in step 1) is silicate solutions or phenolic resins presoak.
7. preparation method according to claim 6, is characterized in that, the mass concentration of described silicate solutions is 60%-80%.
8. preparation method according to claim 5, is characterized in that, in step 3), bake out temperature is 80 ℃, and drying time is 2-3 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310078471.XA CN103174225B (en) | 2013-03-12 | 2013-03-12 | Flame retardant polyurethane or phenolic aldehyde honeycomb heat insulation core material and base core preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310078471.XA CN103174225B (en) | 2013-03-12 | 2013-03-12 | Flame retardant polyurethane or phenolic aldehyde honeycomb heat insulation core material and base core preparation method thereof |
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| CN103174225A true CN103174225A (en) | 2013-06-26 |
| CN103174225B CN103174225B (en) | 2015-09-23 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1279633A (en) * | 1997-12-19 | 2001-01-10 | 康宁股份有限公司 | Manufacture of cellular honeycomb structures |
| JP2001113616A (en) * | 1999-10-15 | 2001-04-24 | Tokiwa Electric Co Ltd | Noncombustible fire-proof heat insulating panel |
| CN2830061Y (en) * | 2005-09-05 | 2006-10-25 | 郑百哲 | Phenolic foamed pearlite honeycomb board |
| CN2848557Y (en) * | 2005-07-15 | 2006-12-20 | 郑百哲 | Formaldehyde foamed honeycomb plate |
| CN101016788A (en) * | 2006-12-04 | 2007-08-15 | 郭立群 | Paper substrate honeycomb composite panels |
| CN102085738A (en) * | 2010-11-16 | 2011-06-08 | 河北联合大学 | High intensity honeycomb paperboard and manufacture method thereof |
| CN203113542U (en) * | 2013-03-12 | 2013-08-07 | 马兴爱 | Flame retardant polyurethane or phenolic aldehyde honeycomb heat-preservation core material |
-
2013
- 2013-03-12 CN CN201310078471.XA patent/CN103174225B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1279633A (en) * | 1997-12-19 | 2001-01-10 | 康宁股份有限公司 | Manufacture of cellular honeycomb structures |
| JP2001113616A (en) * | 1999-10-15 | 2001-04-24 | Tokiwa Electric Co Ltd | Noncombustible fire-proof heat insulating panel |
| CN2848557Y (en) * | 2005-07-15 | 2006-12-20 | 郑百哲 | Formaldehyde foamed honeycomb plate |
| CN2830061Y (en) * | 2005-09-05 | 2006-10-25 | 郑百哲 | Phenolic foamed pearlite honeycomb board |
| CN101016788A (en) * | 2006-12-04 | 2007-08-15 | 郭立群 | Paper substrate honeycomb composite panels |
| CN102085738A (en) * | 2010-11-16 | 2011-06-08 | 河北联合大学 | High intensity honeycomb paperboard and manufacture method thereof |
| CN203113542U (en) * | 2013-03-12 | 2013-08-07 | 马兴爱 | Flame retardant polyurethane or phenolic aldehyde honeycomb heat-preservation core material |
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| CN103174225B (en) | 2015-09-23 |
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Effective date of registration: 20170913 Address after: 710043 No. 172 Park North Road, Xincheng District, Shaanxi, Xi'an Patentee after: Shanxi Precision Flurocarbon Insulation Co., Ltd. Address before: 710043 No. 172 Park North Road, Xincheng District, Shaanxi, Xi'an Patentee before: Ma Xingai |
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Address after: 710038 room 07, 5 / F, Shaanxi Yi hi tech Economic Industrial Park, west section of fangbei Road, Baqiao District, Xi'an City, Shaanxi Province Patentee after: Shaanxi denai Energy Saving Technology Co.,Ltd. Address before: 710043 No. 172, Gongyuan North Road, Xincheng District, Xi'an City, Shaanxi Province Patentee before: SHANXI PREC FLUROCARBON INSULATION Co.,Ltd. |
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