CN104018590B - A kind of rigid foam polyurethane composite heat-conservation board for building - Google Patents

A kind of rigid foam polyurethane composite heat-conservation board for building Download PDF

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CN104018590B
CN104018590B CN201410263519.9A CN201410263519A CN104018590B CN 104018590 B CN104018590 B CN 104018590B CN 201410263519 A CN201410263519 A CN 201410263519A CN 104018590 B CN104018590 B CN 104018590B
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foam polyurethane
hard
cement mortar
building
insulation layer
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CN104018590A (en
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杜霄鹤
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杜霄鹤
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Abstract

The one rigid foam polyurethane composite heat-conservation board for building of the present invention; including hard-foam polyurethane heat insulation layer; the two sides of described hard-foam polyurethane heat insulation layer is all embedded with cement based nonwoven fabric roll sheet material layers; it is compounded with blended cement mortar cover outside the wherein one side of hard-foam polyurethane heat insulation layer; described blended cement mortar cover has been embedded in one layer and has strengthened alkali-resistant glass fiber mesh, is mixed with hard-foam polyurethane granule in described blended cement mortar cover.The invention has the beneficial effects as follows: the present invention is reasonable in design, simple in construction, it is easy to processing; owing to being mixed into hard-foam polyurethane granule in blended cement mortar cover, so that it is from heavy and light, improve heat-insulating property simultaneously; resource utilization is high, constructs easier, and intensity and durability degree are higher.

Description

A kind of rigid foam polyurethane composite heat-conservation board for building
Technical field
The present invention relates to building material field, a kind of rigid foam polyurethane composite heat-conservation board for building.
Background technology
At present, hard-foam polyurethane insulation material major part uses foam-in-place and two kinds of Construction Modes of outer wall pasting, there is the problems such as working procedure is complicated, quality control on construction difficulty is high, insulation material durability degree is low.Additionally, the concrete cast-in-situ integrated board occurred on market all commonly uses the XPS of cost relative moderate as core, first XPS is from as thermoplastic materials, meeting softening transform after meeting high temperature is until shrinking fusing, easily causing wall face large area after chance external wall overdoes to cave in, overall security is low;Secondly XPS material heat-insulating property is on the low side, its standard heat conductivity is 0.030W/ (m K), under country improves constantly the trend of building energy conservation requirement, this type of product thickness constantly thickeies, by building 75% energy saving calculation, the thickness fundamental need 7-9cm of XPS, now the fire endurance of product and the adhesive force of outside screed are substantially reduced, and use the actually active area in house of this series products to reduce the most accordingly.
Summary of the invention
For solving above technical deficiency, the invention provides a kind of from heavy and light, the rigid foam polyurethane composite heat-conservation board for building of good heat insulating.
The present invention is achieved by the following measures:
The one rigid foam polyurethane composite heat-conservation board for building of the present invention; including hard-foam polyurethane heat insulation layer; the two sides of described hard-foam polyurethane heat insulation layer is all embedded with cement based nonwoven fabric roll sheet material layers; it is compounded with blended cement mortar cover outside the wherein one side of hard-foam polyurethane heat insulation layer; described blended cement mortar cover has been embedded in one layer and has strengthened alkali-resistant glass fiber mesh, is mixed with hard-foam polyurethane granule in described blended cement mortar cover.
In above-mentioned blended cement mortar cover, the volume content of hard-foam polyurethane granule is 5%-20%, and the particle diameter of hard-foam polyurethane granule is less than or equal to 4mm.
Above-mentioned blended cement thickness of mortar coverage is 5-20mm, and the thickness of hard-foam polyurethane heat insulation layer is 30-150mm, and the thickness of cement based nonwoven fabric roll sheet material layers is less than or equal to 3mm, strengthens alkali-resistant glass fiber mesh distance blended cement mortar cover outer surface 1-2mm.
Above-mentioned hard-foam polyurethane heat insulation layer apparent density is more than or equal to 40kg/m3, burning grade is not less than B2 level.
Above-mentioned blended cement mortar cover outer surface is smooth pitted skin structure.
The edge of this composite insulation boards is provided with splicing slot or splicing snap close.
The invention has the beneficial effects as follows: the present invention is reasonable in design, simple in construction, it is easy to processing; owing to being mixed into hard-foam polyurethane granule in blended cement mortar cover, so that it is from heavy and light, improve heat-insulating property simultaneously; resource utilization is high, constructs easier, and intensity and durability degree are higher.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the present invention.
Fig. 2 is the partial structurtes schematic diagram that the present invention is arranged on in-situ concrete wall component.
In figure: 1 hard-foam polyurethane heat insulation layer, cement based nonwoven fabric roll sheet material layers inside 2, cement based nonwoven fabric roll sheet material layers outside 3,4 blended cement mortar covers, 5 strengthen alkali-resistant glass fiber mesh, 6 pitted skin structures
8 splicing slots, 9 in-situ concrete wall components, 10 reinforce connector.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is done further detailed description:
The one rigid foam polyurethane composite heat-conservation board for building of the present invention, it is based on the heat conductivity of hard-foam polyurethane≤0.024 W/ (m K) and heat cured own characteristic, thering is provided a kind of uses hard-foam polyurethane plate as the rigid foam polyurethane composite heat-conservation board of core, thus reduce the thickness of concrete cast-in-situ integrated board, add the service life of architectural exterior insulation layer, improve overall fire protecting performance.
As shown in Figure 1; it includes hard-foam polyurethane heat insulation layer 1; the two sides of hard-foam polyurethane heat insulation layer 1 is embedded with inner side cement based nonwoven fabric roll sheet material layers 2 and outside cement based nonwoven fabric roll sheet material layers 3 respectively; it is compounded with blended cement mortar cover 4 outside the wherein one side of hard-foam polyurethane heat insulation layer 1; blended cement mortar cover 4 has been embedded in one layer and has strengthened alkali-resistant glass fiber mesh 5, is mixed with hard-foam polyurethane granule in blended cement mortar cover 4.Blended cement mortar cover 4 is for improving composite plate intensity and the ability of built-in heat insulation layer opposing external stress change.In blended cement mortar cover 4, the volume content of hard-foam polyurethane granule is 5%-20%, and the particle diameter of hard-foam polyurethane granule is less than or equal to 4mm.The preparation program of this mixed mortar achieves the recycling of polyurethane particle in hard-foam polyurethane plate production engineering; reduce the deadweight of mortar cover simultaneously; also improve the heat storage performance of composite bed, greatly reduce the dilation coefficient protecting screed outside rigid foam polyurethane.Repetition test through technical staff is meeting following parameter, and the present invention can be only achieved best effect.Wherein blended cement mortar cover 4 thickness is 5-20mm, and the thickness of hard-foam polyurethane heat insulation layer 1 is 30-150mm, and the thickness of cement based nonwoven fabric roll sheet material layers is less than or equal to 3mm.Hard-foam polyurethane heat insulation layer 1 apparent density is more than or equal to 40kg/m3, burning grade is more than B2 level.
First non-woven fabrics cement-based coiled material layer should be solidified on hard-foam polyurethane heat insulation layer 1 both sides when producing by this rigid foam polyurethane; or directly use the hard-foam polyurethane production board of commercially available band coiled material veneer; utilize afterwards the flow production line with multiple tracks scraper plate and batch mixing, discharge mechanism lay outside mixed sand protection pulp layer 4; on the plate face adhering to cement based nonwoven fabric roll sheet material layers, blended cement mortar cover 4 is uniformly laid during production; mortar is laid press-in after uniformly striking off and is strengthened alkali-resistant glass fiber mesh 5, and strengthening distance outside alkali-resistant glass fiber mesh 5 and top layer is 1-2mm.For improving the cohesive force with material outside, during production while alkali-resistant glass fiber mesh 5 is strengthened in press-in, utilize shaving scraper plate to scrape the pitted skin structure 6 of uniform ground outside mixed mortar, shape after maintenance.The opposite end of rigid foam polyurethane composite heat-conservation board can be provided with corresponding splicing slot 8 or splicing snap close, it is possible to preferably implements plate and is connected with the assembled of plate, it is ensured that integral smoothness, moreover it is possible to play certain waterproof, seepage control function.In actual application, the technical program does not advocate directly to use the similar finished product sheet materials such as commercially available calcium silicate board, cement pressure plate, fibre pres plate to substitute blended cement mortar cover 4; because similar production board weatherability is poor; and big with in-situ concrete wall component 9 and hard-foam polyurethane heat insulation layer 1 late expansion difference in shrinkage, easily cause crack of surface layer, deformation.
As shown in Figure 2; this rigid foam polyurethane composite heat-conservation board is when external wall concrete construction formed by integrally casting uses; directly it is preset in the lateral surface plank sheathing of in-situ concrete wall component 9; with splicing slot 8 or splicing snap close position should align, install smooth; rigid foam polyurethane composite heat-conservation board can use the conventional concrete formwork part consolidation such as locating piece, reinforcing clip, split bolt; during installation, blended cement mortar cover 4 is towards outside; installation is directly integrated with concreting after having good positioning, and form removal rear surface carries out wiping one's face again, facing processes.For improving the bonding strength of rigid foam polyurethane composite heat-conservation board, pre-buried or rearmounted reinforcing connector 10 can be used to strengthen and to reinforce.The heat insulation building block using the building filling wall part of rigid foam polyurethane composite heat-conservation board one in-situ concrete wall component 9 that compliant should be used to require is built by laying bricks or stones.This rigid foam polyurethane composite heat-conservation board can also do adhesive type external wall outer insulation materials'use, carries out with reference to external wall outer insulation job specfication during construction.
The above is only the preferred implementation of this patent; it should be pointed out that, for those skilled in the art, on the premise of without departing from the art of this patent principle; can also make some improvement and replacement, these improve and replace the protection domain that also should be regarded as this patent.

Claims (6)

1. a rigid foam polyurethane composite heat-conservation board for building; it is characterized in that: include hard-foam polyurethane heat insulation layer; the two sides of described hard-foam polyurethane heat insulation layer is all embedded with cement based nonwoven fabric roll sheet material layers; it is compounded with blended cement mortar cover outside the wherein one side of hard-foam polyurethane heat insulation layer; described blended cement mortar cover has been embedded in one layer and has strengthened alkali-resistant glass fiber mesh, is mixed with hard-foam polyurethane granule in described blended cement mortar cover.
Rigid foam polyurethane composite heat-conservation board the most for building, it is characterised in that: in blended cement mortar cover, the volume content of hard-foam polyurethane granule is 5%-20%, and the particle diameter of hard-foam polyurethane granule is less than or equal to 4mm.
Rigid foam polyurethane composite heat-conservation board the most for building; it is characterized in that: blended cement thickness of mortar coverage is 5-20mm; the thickness of hard-foam polyurethane heat insulation layer is 30-150mm; the thickness of cement based nonwoven fabric roll sheet material layers is less than or equal to 3mm, strengthens alkali-resistant glass fiber mesh distance blended cement mortar cover outer surface 1-2mm.
Rigid foam polyurethane composite heat-conservation board the most for building, it is characterised in that: hard-foam polyurethane heat insulation layer apparent density is more than or equal to 40kg/m3, burning grade is not less than B2 level.
Rigid foam polyurethane composite heat-conservation board the most for building, it is characterised in that: described blended cement mortar cover outer surface is smooth pitted skin structure.
Rigid foam polyurethane composite heat-conservation board the most for building, it is characterised in that: the edge of this composite insulation boards is provided with splicing slot or splicing snap close.
CN201410263519.9A 2014-06-13 2014-06-13 A kind of rigid foam polyurethane composite heat-conservation board for building Active CN104018590B (en)

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CN104018590B true CN104018590B (en) 2016-09-14

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Publication number Priority date Publication date Assignee Title
CN105000905B (en) * 2015-08-20 2017-12-26 杜霄鹤 A kind of non-ignitable compound insulating material and preparation method thereof

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CN1799832A (en) * 2005-12-15 2006-07-12 夏良强 Rigid polyurethane foam composite board, its manufacturing process and using method
CN200982037Y (en) * 2006-10-18 2007-11-28 康玉范 Cast polyurethane coating facing wall
CN201024546Y (en) * 2007-03-19 2008-02-20 祝晶静 Hard polyurethane foaming heat preservation wall
CN201436331U (en) * 2009-02-28 2010-04-07 万华节能建材股份有限公司 Cement coiled material with decorative coating
CN101949179A (en) * 2010-09-17 2011-01-19 山东新大地工贸有限公司 Heat insulation external wall structure coated with rigid polyurethane foam

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