CN103317789B - Thick-plaster fireproof mortar phenolic resin plate and phenolic aldehyde special-purpose fireproof mortar - Google Patents

Thick-plaster fireproof mortar phenolic resin plate and phenolic aldehyde special-purpose fireproof mortar Download PDF

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Publication number
CN103317789B
CN103317789B CN201310208120.6A CN201310208120A CN103317789B CN 103317789 B CN103317789 B CN 103317789B CN 201310208120 A CN201310208120 A CN 201310208120A CN 103317789 B CN103317789 B CN 103317789B
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mortar
parts
phenolic
fireproof mortar
thick
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Expired - Fee Related
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CN201310208120.6A
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CN103317789A (en
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李月明
李明
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BEIJING SOLID BUILDING ENGINEERING Co Ltd
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BEIJING SOLID BUILDING ENGINEERING Co Ltd
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Abstract

The invention belongs to the field of buildings and discloses a thick-plaster fireproof mortar phenolic resin plate and phenolic aldehyde special-purpose fireproof mortar. A plaster mortar layer having the thickness greater than or equal to 4mm is compounded on the surface of a foaming phenolic resin material. The plaster mortar layer is obtained by curing a mortar main-material and a sand auxiliary-material. The mortar main-material comprises, by weight, 315 to 385 parts of portland cement having a strength grade greater than or equal to 42.5, 315 to 385 parts of sulphoaluminate cement, 90 to 110 parts of sand of 50 to 100 meshes, and 90 to 110 parts of coal ash. The sand auxiliary-material comprises, by weight, 13 to 17 parts of redispersible latex powder, 5 to 7 parts of cellulose ether, 3.5 to 4.5 parts of chopped fibers, 90 to 110 parts of an early strength agent, 2.5 to 3.5 parts of a naphthalene water reducer and 0.15 to 0.2 parts of lithium carbonate. The phenolic aldehyde special-purpose fireproof mortar has a fast drying rate, good mortar strength, two important functions of heat preservation and fire prevention, and good economical efficiency.

Description

Thick fireproof mortar phenolic resins plate and the phenolic aldehyde special fireproof mortar of plastering
Technical field
The invention belongs to building field, be specifically a kind of building exterior wall heat preserving for fireproof mortar phenolic resins plate and dedicated mortar, this phenolic resins plate fireproof mortar thickness is about 5mm, slurry hardening time is fast, intensity is good.
Background technology
Along with the sharply increase of the whole world to energy demand, can be reduced fast by non-renewable energy resources such as human use's oil, natural gas, coals, and follow the problem of environmental pollution that energy resource consumption brings to be on the rise, energy-saving building technology is taken seriously gradually and promotes.Exterior-wall heat insulation is one of energy-saving building technology, is that a kind of main purpose is to reduce the power-saving technology of building energy loss.Exterior-wall heat insulation is by the technology of plinth course outside (comprising cast or building block exterior wall) one or more layers adiabator layer of surface recombination.
Outer wall thermal insulation material can be divided into organic material and inorganic material, and organic material comprises polyphenyl material, polyurathamc, foamed phenolic resin etc., and inorganic material comprises rock wool, foam cement, perlite etc.From the thermal conductivity factor of different insulation materials, organic insulation material thermal conductivity factor is lower than inorganic heat insulation material, so organic material heat-insulating property is generally better than inorganic material.But organic material is with respect to inorganic material, although heat-insulating property has superiority, fire protecting performance is lower than inorganic heat insulation material.
The phenolic resins plate that exterior-wall heat insulation is used, claims again phenolic fireproof insulating plate, is to be formed by thermosetting phenolic resin foaming, has the feature of lightweight, insulation (thermal conductivity factor can lower than 0.030w/mk).For improving the fire line of phenolic resins plate, the general screed of also smearing 1mm left and right thickness in phenolic resins plate outside, screed is to be made into by cement, quartz sand, flyash, redispersable latex powder, fiber ether, glass fibre, waterproofing agent, because screed is mainly inorganic material, therefore the fire-protection rating of this fireproof mortar phenolic resins plate of plastering will be higher than simple phenolic resins.
But, several cause the generation of the building exterior wall heat preserving firing accident of casualties and the heavy losses of property, fire department is had higher requirement to the fire protecting performance of architecture exterior wall insulating materials, the motar layer thickness of phenolic resins outside is further brought up to 5mm left and right by suggestion, adopts thick motar.But this has proposed a difficult problem to manufacturing enterprise, this is because if the thickness of compound motar layer is brought up to 5mm outside phenolic resins, will reach 4-5 days the complete hardening time of this mortar, production cycle is oversize, need larger factory building, therefore production capacity reduction, economic benefit variation simultaneously.Increase early strength agent, reduce agent and adopt the measures such as quick-hardening cement to reduce hardening time although can adopt, but also need to be no less than the hardening time of 2 days, and adopt more quick-hardening cement, although it is curing that surface seems to become dry, but inside is still completely not curing, quick-hardening cement too much can make again mortar strength not reach requirement simultaneously.Although therefore many manufacturing enterprises, through repeatedly mortar formula being adjusted, still cannot be reduced to hardening time below 2 days.Another one problem is, screed reaches after 5mm, and because mortar ratio is important more much higher than phenolic resins, therefore the unit weight of whole plate increases, and weight increase is larger, application property variation.
Summary of the invention
The object of the present invention is to provide a kind of thick fireproof mortar phenolic resins plate of plastering, this thick fireproof mortar resin plate of plastering, although motar thickness reaches 5mm left and right, only has 4-5 hour its complete hardening time, and the screed intensity after solidifying is good.
Technical scheme of the present invention is: the thick fireproof mortar phenolic resins plate of plastering, and there is thickness to be not less than the motar layer of 4mm in the surface recombination that is foamed phenolic resin material, motar layer is mainly to be mixed and be solidified into by mortar major ingredient and sand material small powder,
Consisting of of described mortar major ingredient:
Strength grade is not less than 42.5 portland cement 315-385 weight portion,
Sulphate aluminium cement 315-385 weight portion,
50-100 order sand 90-110 weight portion,
Flyash 90-110 weight portion;
Consisting of of described mixing small powder:
For further reducing mortar unit weight and improving screed heat insulation effect; also in mortar, be added with glass bead as aglite; every 1 kilogram of redispersable latex powder is allocated 0.35-0.40 kilogram of glass bead into; making mortar unit weight is 110 kilograms of/cubic metre of left and right, and the excessive mortar strength of addition reduces.
It is 6-10 ten thousand that cellulose ether can adopt viscosity, to take into account intensity and rate of drying.
In described motar layer, also can be compounded with fibrous mesh cloth.
In described foamed phenolic resin, be compounded with fibrous mesh cloth reinforcing material.
The present invention also provides phenolic aldehyde dedicated mortar, and mortar forms as previously mentioned, is no longer repeated in this description at this.
Thick fireproof mortar phenolic resins plate and the dedicated mortar of plastering of the present invention; by mortar formula is improved; quote intensity and rate of drying that multiple reactant improves mortar; enable in the laminating rear 4-5 hour rapid draing moulding of phenolic resins plate surface; and intensity is better than existing kervit microbead insulated sand slurry, the phenolic-aldehyde heat-insulation board after laminating can reach A level material (8624-1997 country examination criteria).If add glass bead, lighter than unit weight with the laminating stack pile of other mortars, take into account insulation and two important performances of fire prevention.Also have good thixotropy, contract with dry rate is little simultaneously, and overall performance is stable.Good freeze-thaw resistance and resistance to water.Good cohesive force and shearing force, have outstanding cracking resistance resisting wind press capacity.
Brief description of the drawings
Fig. 1 is the thick fireproof mortar phenolic resins plate structure schematic diagram of plastering of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, to help understanding content of the present invention.
It shown in Fig. 1, is the structural representation of a kind of thick fireproof mortar phenolic resins plate of plastering of the present invention, it is the motar layer 4 that has thickness 5mm in the surface recombination of foamed phenolic resin material 1, motar layer is mainly to be mixed and be solidified into by mortar major ingredient and sand material small powder, in described motar layer, be also compounded with fibrous mesh cloth 3, in foamed phenolic resin, be compounded with fibrous mesh cloth 2 reinforcing materials.
Consisting of of described mortar major ingredient:
Strength grade is not less than 42.5 portland cement 315-385 weight portion,
Sulphate aluminium cement 315-385 weight portion,
50-100 order sand 90-110 weight portion,
Flyash 90-110 weight portion;
Consisting of of described mixing small powder:
The thick fireproof mortar phenolic resins plate performance of plastering of different mortar compositions is in table 1.In table, redispersable latex powder adopts Germany watt gram 5044N, and chopped strand length is diligent power Heng Tong 3mm, and early strength agent adopts the product of imperial lake science and technology, and naphthalene water reducer adopts BASF product
As can be seen from Table 1, employing meets the fireproof mortar of requirement of the present invention, compared with comparative example 1,2, not only obviously shorten drying time, and thermal conductivity factor is low, fire protecting performance is good, unit weight is low, impact strength is good, and contract with dry rate is low, also has good water proofing property, freeze-thaw resistance, cohesive force and shearing force simultaneously.Wherein, the combination property of embodiment 1 is better than again embodiment 2,3.

Claims (9)

1. the thick fireproof mortar phenolic resins plate of plastering, has thickness to be not less than the motar layer of 4mm in the surface recombination of foamed phenolic resin plate, and motar layer is mainly to be mixed and be solidified into by mortar major ingredient and sand material small powder,
Consisting of of described mortar major ingredient:
Consisting of of described mixing small powder:
2. the thick fireproof mortar phenolic resins plate of plastering as claimed in claim 1, is characterized in that: in described mortar, be also added with glass bead, every 1 kilogram of redispersable latex powder is allocated 0.35-0.40 kilogram of glass bead into.
3. the thick fireproof mortar phenolic resins plate of plastering as claimed in claim 1 or 2, is characterized in that: the viscosity of described cellulose ether is 6-10 ten thousand.
4. the thick fireproof mortar phenolic resins plate of plastering as claimed in claim 1 or 2, is characterized in that: in described motar layer, be also compounded with fibrous mesh cloth.
5. the thick fireproof mortar phenolic resins plate of plastering as claimed in claim 1 or 2, is characterized in that: in described foamed phenolic resin, be compounded with fibrous mesh cloth reinforcing material.
6. a phenolic aldehyde special fireproof mortar, is mainly to be mixed and formed by mortar major ingredient and sand material small powder,
Consisting of of described mortar major ingredient:
Consisting of of described mixing small powder:
7. phenolic aldehyde special fireproof mortar as claimed in claim 6, is characterized in that: in described mortar, be also added with glass bead, every 1 kilogram of redispersable latex powder is allocated 0.35-0.40 kilogram of glass bead into.
8. phenolic aldehyde special fireproof mortar as claimed in claim 7, is characterized in that: in described mortar, be also added with glass bead, every 1 kilogram of redispersable latex powder is allocated 0.38 kilogram of glass bead into.
9. the phenolic aldehyde special fireproof mortar as described in claim 6 or 7, is characterized in that: the viscosity of described cellulose ether is 6-10 ten thousand.
CN201310208120.6A 2013-05-30 2013-05-30 Thick-plaster fireproof mortar phenolic resin plate and phenolic aldehyde special-purpose fireproof mortar Expired - Fee Related CN103317789B (en)

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Publication number Priority date Publication date Assignee Title
CN104072015B (en) * 2014-07-18 2016-01-13 锦州市好为尔保温材料有限公司 A kind of plastering mortar for phenolic foam heat insulation plate
CN104496345A (en) * 2014-11-26 2015-04-08 芜湖中民科技建材有限公司 Dry-mixed thermal insulation mortar and its preparation method and use
CN104876491A (en) * 2015-05-22 2015-09-02 营口象圆新材料工程技术有限公司 Mortar used for phenolic foam insulation board construction
CN105174858A (en) * 2015-08-03 2015-12-23 四川好途程科技有限公司 Highly polished seamless polymer cement millstone and preparation method thereof
CN105777001A (en) * 2016-03-07 2016-07-20 苏州保酚环境科技有限公司 Plastered fireproof stone composite reinforcing insulation board for building and preparation method of insulation board
CN105778162B (en) * 2016-04-25 2018-05-01 苏州能华节能环保科技有限公司 A kind of environment-friendly insulating material with fire resistance
CN113321842A (en) * 2021-06-28 2021-08-31 湖北汽车工业学院 Phenolic resin foam composite material and preparation method thereof

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CN102173132B (en) * 2011-01-19 2014-01-22 北京索利特新型建筑材料有限公司 Manufacturing process of fireproof and heat-preservation plate
CN102850080A (en) * 2012-08-20 2013-01-02 山东中远汇丽节能建材有限公司 Phase-change energy-storage inorganic foam fireproof thermal-insulation board and preparation method thereof
CN103121818B (en) * 2013-02-27 2014-10-22 同济大学 Assembled splicing joint sealing material for building components and application thereof

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