A kind of no holdfast EPS decoration element systemTechnical field
The present invention relates to EPS decoration element field, especially a kind of no holdfast EPS decoration element system.
Background technique
Traditional EPS decoration element assembly when except with adhesive mortar bond in addition to, in order to make up the deficiency of mortar bonding power, rootIt also needs to reinforce several holdfasts according to component quality, size and depth of building.In component plus holdfast is fixed, and component surface generates holeHole, forming cold bridge reduces heat insulation effect.And holdfast is got rusty easily by rainwater, moisture erosion, reduces making for EPS decoration elementUse the service life.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of no holdfast EPS decoration element system, without reinforcing anchor when assemblyNail, not only shortens the construction period, reduces costs, it is thus also avoided that the cold bridge of hole formation caused by nailing, while avoiding holdfast rustQuality problems caused by losing.
To achieve the goals above, the invention provides the following technical scheme:
A kind of no holdfast EPS decoration element system, including EPS decoration element, the EPS decoration element includes polystyreneCystosepiment, the bottom surface of the polystyrene foam plate are equably provided with 4 cross type grooves, between 4 cross type groovesApart from identical, adhesive mortar is filled in the cross type groove；It is provided with ladder-type trough on one end face of polystyrene foam plate,The trapezoidal protrusion matched with the dovetail groove is provided on other end；The polystyrene foam plate outer surface is provided with certainlySticky net, the self-adhesion are coated with the heat-insulating finishing mortar of 3~5mm thickness on the net；
Include the raw material of following parts by weight in the adhesive mortar:
Preferably, the rubber powder is vinyl acetate, ethylene copolymer redispersable latex powder.
Preferably, the water-retaining agent is moderately viscous hydroxypropyl methyl modified cellulose ethers.
Preferably, the water-reducing agent is poly carboxylic acid series water reducer.
Preferably, the retarder is one of citric acid, sodium polyphosphate or tartaric acid.
Preferably, the early strength agent is one of calcium formate, calcium chloride or lithium carbonate.
Preferably, the defoaming agent is organic silicon defoamer.
Preferably, the surfactant is dodecyl benzene sulfonate, sulfamate, one in lignosulfonatesKind.
Preferably, the thixotropic lubricant is one or both of bentonite, starch ether.
Preferably, the economization agent is polyethers or polyalcohols economization agent.
The present invention provides a kind of no holdfast EPS decoration element systems, set in the bottom surface of EPS decoration element styrofoam matrixIt is equipped with groove, without reinforcing holdfast when assembly, not only shortens the construction period, reduces costs, it is thus also avoided that hole type caused by nailingAt cold bridge, while avoid holdfast corrode caused by quality problems；EPS decoration element both ends are equipped with tongue and groove, and overlap joint is moreFitting securely, avoids the generation in finish coat crack.The dedicated adhesive mortar of EPS decoration element has that initial fluidity is good, early strengthThe high feature of height, good penetrability, volume stability can guarantee the hair for not influencing later strength while higher early strengthExhibition, addition water-retaining agent can guarantee to reduce the increase due to viscosity while sufficient water-retaining property and cause mortar initial flow degreeThe case where reduction；Surfactant is added, mortar surface tension, enhancing permeability are reduced；Thixotropic lubricant is added, mortar is assignedPreferable application property and sagging resistance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of EPS decoration element；
Fig. 2 is the middle section Fig. 1 schematic diagram.
In figure:
1, polystyrene foam plate；2, from sticky net；3, heat-insulating finishing mortar；4, cross type groove；5, ladder type protrusion；6, ladder typeSlot.
Specific embodiment
A kind of no holdfast EPS decoration element system provided by the invention combined with Figure 1 and Figure 2, including EPS decoration element,EPS decoration element includes polystyrene foam plate 1, and the bottom surface of polystyrene foam plate 1 is equably provided with 4 cross type grooves 4,The distance between 4 cross type grooves 4 are identical, and adhesive mortar is filled in cross type groove 4；On 1 one end face of polystyrene foam plateIt is provided with ladder-type trough 6, the trapezoidal protrusion matched with dovetail groove is provided on other end；1 outer surface of polystyrene foam plateIt is provided with the heat-insulating finishing mortar 3 for being coated with 3~5mm thickness from sticky net 2 from sticky net 2；
Include the raw material of following parts by weight in adhesive mortar:
In above-mentioned technical proposal, in the bottom surface of EPS decoration element styrofoam matrix, setting is fluted, without reinforcing when assemblyHoldfast is not only shortened the construction period, is reduced costs, it is thus also avoided that the cold bridge of hole formation caused by nailing, while avoiding holdfastQuality problems caused by corroding；EPS decoration element both ends are equipped with tongue and groove, and overlap joint more fitting securely, avoids finish coat crackGeneration.The adhesive mortar that EPS decoration element uses has that initial fluidity is good, early strength is high, good penetrability, volume stabilityHigh feature can guarantee the development for not influencing later strength while higher early strength, add moderately viscous water conservationAgent can guarantee the case where reducing the increase due to viscosity while sufficient water-retaining property and mortar initial flow degree is caused to reduce；Surfactant is added, mortar surface tension, enhancing permeability are reduced；Thixotropic lubricant is added, mortar is assigned and preferably constructsProperty and sagging resistance.
It should be noted that in adhesive mortar include 52.5 grades of ordinary portland cements, 0.22~0.45mm quartz sand, 0.105~0.22mm quartz sand, water-retaining agent, water-reducing agent, retarder, early strength agent, defoaming agent, surfactant, thixotropic lubricant, subtracts rubber powderContracting agent.
52.5 grades of ordinary portland cements play the role of increasing intensity.In embodiments of the present invention, the weight of 52.5 grades of ordinary portland cementsMeasuring number is 300~450 parts；In the preferred embodiment of the invention, the parts by weight of 52.5 grades of ordinary portland cements are 300~400Part.
0.22~0.45mm quartz sand and 0.105~0.22mm quartz sand play support frame, such grain composition energyEnough play the role of dense packing.
In embodiments of the present invention, 250~350 parts of the parts by weight of 0.22~0.45mm quartz sand；Of the invention preferredEmbodiment in, 250~310 parts of the parts by weight of 0.22~0.45mm quartz sand.
In embodiments of the present invention, 300~400 parts of the parts by weight of 0.105~0.22mm quartz sand；Of the invention preferredEmbodiment in, 317~364 parts of the parts by weight of 0.105~0.22mm quartz sand.
In embodiments of the present invention, rubber powder is vinyl acetate-ethylene copolymerization redispersable latex powder；Above-mentioned rubber powder plays increasingStrong cohesive property and flexibility improve the effect of anti-crack ability.
In an embodiment of the present invention, the parts by weight of rubber powder are 20~40 parts；In the preferred embodiment of the invention, glueThe parts by weight of powder are 20~25 parts.
In embodiments of the present invention, water-retaining agent is viscosity 60000-75000mPas hydroxypropyl methyl modified cellulose ethers；Above-mentioned water-retaining agent can reduce the influence for mortar mobility while guaranteeing sufficient water-retaining property.
In an embodiment of the present invention, the parts by weight of water-retaining agent are 1~3 part；In the preferred embodiment of the invention, protectThe parts by weight of aqua are 2~2.5 parts.
In embodiments of the present invention, water-reducing agent is poly carboxylic acid series water reducer；Above-mentioned water-reducing agent can reduce mortar water requirement, closeReal mortar hardening body structure, helps to improve the mechanical property of mortar, and assigns preferable workability in mortar right times.
In embodiments of the present invention, the parts by weight of water-reducing agent are 1~3 part；In the preferred embodiment of the invention, diminishingThe parts by weight of agent are 1~1.5 part.
In embodiments of the present invention, retarder is one of citric acid, sodium polyphosphate or tartaric acid；Above-mentioned retarderIt is able to extend the firm time of mortar and reduces the weakening for intensity especially later strength.
In embodiments of the present invention, the parts by weight of retarder are 0.5~1 part；In the preferred embodiment of the invention, delayThe parts by weight of solidifying agent are 0.5~0.8 part.
In embodiments of the present invention, early strength agent is one of calcium formate, lithium carbonate, calcium chloride；Above-mentioned early strength agent canThe early strength of mortar is improved, while smaller to the negative effect of mortar later strength development.
In embodiments of the present invention, the parts by weight of early strength agent are 0.5~2 part；It is early in the preferred embodiment of the inventionThe parts by weight of strong agent are 0.9~1.2 part.
In embodiments of the present invention, defoaming agent is organic silicon defoaming agent；Above-mentioned defoaming agent can eliminate mortar and water is added to stirThe biggish bubble of partial size generated during mixing, retains the lesser bubble of suitable partial size to guarantee slipping of preferably constructing.
In embodiments of the present invention, the parts by weight of defoaming agent are 0.5~1 part；In the preferred embodiment of the invention, disappearThe parts by weight of infusion are 0.5~0.7 part.
In embodiments of the present invention, surfactant is dodecyl benzene sulfonate, sulfamate, lignosulfonatesOne of；Above-mentioned surfactant can reduce surface tension, reinforced mortar permeability.
In embodiments of the present invention, the parts by weight of surfactant are 0.4~1 part；In the preferred embodiment of the inventionIn, the parts by weight of surfactant are 0.4~0.7 part.
In embodiments of the present invention, thixotropic lubricant is one of bentonite, starch ether；Above-mentioned thixotropic lubricant playsEnhance the effect of application property and sagging resistance.
In an embodiment of the present invention, the parts by weight of thixotropic lubricant are 0.5~1 part；In currently preferred implementationIn example, the parts by weight of thixotropic lubricant are 0.5~0.8 part.
In embodiments of the present invention, economization agent is one of polyethers or polyalcohols economization agent；Above-mentioned economization agent, which plays, to be subtractedThe effect that the mortar volume that few hydrated cementitious generates is shunk.
In embodiments of the present invention, the parts by weight of economization agent are 0.5~2 part；In the preferred embodiment of the invention, subtractThe parts by weight of contracting agent are 0.5~1 part.
When construction and installation, the high-strength adhesive mortar for scraping 5-8mm thickness is criticized on base course wall, and EPS decoration element is firmly squeezedIt is pressed on and has criticized the wall for having scraped adhesive mortar, the bonding by adhesive mortar in EPS decoration element bottom surface and cross groove locationSo that EPS decoration element and wall realize firm bonding.After EPS decoration element is installed, criticizes and scrape by several times in component surfaceDecorative mortar with glass fiber net in external coating or batch scrapes facing layer material according to design requirement.
In order to further illustrate the present invention, below with reference to embodiment to a kind of no holdfast EPS decoration structure provided by the inventionPart system is described in detail, but they cannot be interpreted as limiting the scope of the present invention.
Poly carboxylic acid series water reducer is DH-4004 type poly carboxylic acid series water reducer in Examples 1 to 4, and organic silicon defoamer is firstBase silicone oil.
Embodiment 1
It include 300 parts of 52.5 grades of ordinary portland cements, 310 parts of 0.22~0.45mm quartz sands, 364 part 0.105 in adhesive mortar~0.22mm quartz sand, 20 parts of vinyl acetate-ethylene copolymerization redispersable latex powders, 2 parts of viscosity 60000mPas hydroxypropyl firstBase modified cellulose ethers, 1 part of poly carboxylic acid series water reducer, 0.5 part of citric acid, 1.2 parts of lithium carbonates, 0.5 part of organic silicon defoamer,0.4 part of neopelex, 0.5 part of starch ether, 0.5 part of polyacrylic economization agent.Water in adhesive mortar:20wt%.
Embodiment 2
It include 350 parts of 52.5 grades of ordinary portland cements, 280 parts of 0.22~0.45mm quartz sands, 340 part 0.105 in adhesive mortar~0.22mm quartz sand, 23 parts of vinyl acetate-ethylene copolymerization redispersable latex powders, 2 parts of viscosity 75000mPas hydroxypropyl firstBase modified cellulose ethers, 1.2 parts of poly carboxylic acid series water reducers, 0.7 part of citric acid, 1 part of lithium carbonate, 0.5 part of organic silicon defoamer,0.5 part of neopelex, 0.5 part of starch ether, 0.7 part of polyacrylic economization agent.Water in adhesive mortar:20.5wt%.
Embodiment 3
In embodiment 3 in adhesive mortar include 380 parts of 52.5 grades of ordinary portland cements, 270 parts of 0.22~0.45mm quartz sands,320 parts of 0.105~0.22mm quartz sands, 25 parts of vinyl acetate-ethylene copolymerization redispersable latex powders, 2.2 parts of viscosity70000mPas hydroxypropyl methyl modified cellulose ethers, 1.5 parts of poly carboxylic acid series water reducers, 0.8 part of citric acid, 1 part of lithium carbonate,0.7 part of organic silicon defoamer, 0.7 part of neopelex, 0.6 part of starch ether, 0.9 part of polyacrylic economization agent.It is viscousTie water in mortar: 21wt%.
Embodiment 4
In embodiment 4 in adhesive mortar include 400 parts of 52.5 grades of ordinary portland cements, 250 parts of 0.22~0.45mm quartz sands,317 parts of 0.105~0.22mm quartz sands, 25 parts of vinyl acetate-ethylene copolymerization redispersable latex powders, 2.5 parts of viscosity65000mPas hydroxypropyl methyl modified cellulose ethers, 1.5 parts of poly carboxylic acid series water reducers, 0.8 part of citric acid, 0.9 part of carbonic acidLithium, 0.7 part of organic silicon defoamer, 0.7 part of neopelex, 0.8 part of starch ether, 1 part of polyacrylic economization agent.It is viscousTie water in mortar: 21wt%.
The physical and mechanical property test data of the adhesive mortar of embodiment 1-4.
By table as it can be seen that the initial flow degree of adhesive mortar is higher, 20min fluidity loss is smaller；3d can reach and mixConcrete board and the higher tensile bond strength of EPS sheet, 28d tensile bond strength still keep higher numerical value；The receipts of 3d and 28dShrinkage is lower (< 0.1%).
Above description can be realized professional and technical personnel in the field or using this to stating in the disclosed embodimentsIt is bright, it enables those skilled in the art to implement or use the present invention.Various modifications to these embodiments are to this fieldIt will be apparent for professional technician, the general principles defined herein can not depart from spirit of the inventionOr in the case where range, realize in other embodiments.Therefore, the present invention is not intended to be limited to these implementations shown in this articleExample, and it is to fit to the widest scope consistent with principles disclosed herein and novel features.