CN103802380B - Modified asphalt waterproof coiled material - Google Patents
Modified asphalt waterproof coiled material Download PDFInfo
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- CN103802380B CN103802380B CN201410071883.5A CN201410071883A CN103802380B CN 103802380 B CN103802380 B CN 103802380B CN 201410071883 A CN201410071883 A CN 201410071883A CN 103802380 B CN103802380 B CN 103802380B
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Abstract
The invention discloses a kind of modified asphalt waterproof coiled material, for multiple structure, upper surface is the mineral particle bed of material, centre is followed successively by glass fiber blank basic unit and polyester blank basic unit, bottom is self-adhering polymer modification bitumen compound layer, got up by elastomer modified asphalt compound layer bonding between neighboring layers, with isolating membrane on self-adhering polymer modification bitumen compound layer.Adapting to basic unit in the modified asphalt waterproof coiled material structure of the present invention slightly deform, have higher dimensional stability, easy construction simultaneously, bonding reliably have self-healing property, is that one exposes reliably with modified asphalt waterproof coiled material, is particularly well-suited to single-layer roof.
Description
Technical field
The present invention relates to modified asphalt waterproof coiled material, belong to field of waterproof materials.
Background technology
Due to single-layer flexible Roof system have, quick construction, easily maintenance good from heavy and light, waterproof thermal-insulated performance,
Life-span length, the excellent feature of long-term cost performance, it is possible to thoroughly solve the leakage problem of traditional roof system, cold bridge
Condensation trouble, noise problem, many curved surface structures problem so that it is in American-European countries, single-layer flexible Roof system is
Become the main Roof system form of flat roof deck engineering.
Single-ply roofing system formally introduced domestic use in various different engineerings in 1999.In view of it is all
Many remarkable advantages, single-ply roofing system is accepted by domestic market accreditation rapidly, has obtained quick development, extensively
General it is applied to stadiums, exhibition center, airport, industrial premises, logistics center, market, hospital, railway station
Etc. in engineering project.
At present, single-layer roof waterproof layer generally comprises thermoplastic PVC, TPO coiled material, thermosetting EPDM coiled material
And part high performance modified bitumen coiled material does not still the most use elastomer (SBS) modified asphalt waterproof coiled material
Successful case, trace it to its cause be due to elastomer (SBS) modified asphalt waterproof coiled material high temperature resistant, resistance to always
Changing, there are some defects in convenience for construction.
Summary of the invention
For the needs of prior art, applicant combines long-term practical experience, has invented a kind of modified pitch and has prevented
Water coiled material, is applied to roofworks, especially single-layer roof waterproofing work, not only has good fire resistance characteristic,
And it is simple to construct, and service life is long.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of single-layer roof modified asphalt waterproof coiled material, for multiple structure, upper surface is the mineral particle bed of material, in
Between be followed successively by glass fiber blank basic unit and polyester blank basic unit, bottom is self-adhering polymer modification bitumen compound layer, adjacent respectively
Got up by elastomer modified asphalt compound layer bonding between Ceng, attached on self-adhering polymer modification bitumen compound layer
There is isolating membrane.
The waterproof roll of the present invention, its length, thickness etc. can Reasonable adjustment according to actual needs, generally for
The simplicity sell, transported and construct, the width of waterproof roll is 1000mm, has 100mm in its one end
The overlap edge (for getting up to form bigger region by polylith waterproof roll overlap joint when construction) of width, waterproof
Coil thickness is 4-6mm.
In the present invention, advise during described elastomer modified asphalt compound layer meets GB18242-2008 standard II type
Fixed physical properties, has the high temperature resistant of requirements at the higher level and ageing-resistant performance simultaneously, and the present invention is resistance in preparation
The chemical composition of elastomer (SBS) the modified pitch sizing material of high temperature is:
Preferably, the preferred weight proportioning of the present invention resistant to elevated temperatures elastomer (SBS) modified pitch sizing material is prepared
For:
Most preferably, the optimum weight proportioning of resistant to elevated temperatures elastomer (SBS) modified pitch sizing material is:
In above-mentioned elastomer modified asphalt sizing material, asphalt is naphthene crude oils bitumen A level, and needle penetration is
70～200 (in terms of 0.1mm)；
Bitumen is one or both in the of a relatively high natural rock asphalt of asphaltenes and natural lake asphalt
Mixture, bitumen has excellent high-temperature behavior and corrosion-resistant, ageing-resistant characteristic, can be effective
Improve high temperature and the ageing properties of modified pitch sizing material；
Softening agent is to subtract line machine oil, furfural extract oil, naphthenic oil, aromatic naphtha, hydrotropy containing low-molecular-weight aromatic
The mixture of one or more in agent, for promoting the swelling of modifying agent and additive；
SBS is line style and one or more mixed of star-like styrene isoprene styrene block copolymer (SIS)
Compound；Modifying agent is styrene-butadiene block copolymer, hydrogenated styrene-butadiene block copolymer, fourth
Benzene rubber, neoprene, polyethylene, polypropylene, thermoplastic elastomer (TPE) POE, regnerated rubber powder, butyl are again
The mixture of one or more in rubber, butyronitrile reclaimed rubber, is mainly used in improving the various of modified bituminous pitch coiled material
Physical property；Toughener is acrylate rubber, chlorosulfonated polyethylene, ABS, polyvinyl butyral resin, gathers
The mixture of one or more in vinyl acetate, be mainly used in improve modified bituminous pitch coiled material low temperature flexibility and
Extensibility；
Age resistor be phenyl salicylate, Ultraviolet Absorber UV-P, UV-0, UV-531, light stabilizer GW-540,
The mixture of one or more in sulfur, sulfurous organic compound or organic peroxide, is used for improving modified pitch
The ageing resistace of coiled material；
Filler is precipitated calcium carbonate, ground calcium carbonate, stone powder, pulverized limestone, flyash, Pulvis Talci, white carbon black
In the mixture of one or more.
The preparation method of above-mentioned elastomer modified asphalt sizing material comprises the steps:
Asphalt and bitumen are heated to 140～160 DEG C, are sequentially added into softening agent, SBS, modifying agent
And toughener, stir, be continuously heating to 180～190 DEG C, grow 30～45 minutes at this temperature,
Open colloid mill and accelerate swelling process, and make modifying agent homogenizing more complete, stop colloid mill after two hours, at the uniform velocity
Stir two hours, add age resistor, filler, continue to grow 45～90 minutes, obtain elastomer (SBS)
Modified pitch sizing material.
In the present invention, self-adhering polymer modification bitumen sizing material is one layer and has relatively high initial bonding strength and cohesiveness, resistance to
High temperature and ageing-resistant performance all preferably self-adhesive layer, prepares the chemistry of self-adhering polymer modification bitumen sizing material of the present invention
Consist of:
Preferably, the weight proportion of self-adhering polymer modification bitumen sizing material is:
Most preferably, the weight proportion of self-adhering polymer modification bitumen sizing material is:
Wherein, the material that the asphalt of above-mentioned employing, SBS, other modifying agent, age resistor, filler comprise
Used by material kind and elastomer (SBS) modified pitch sizing material identical；
Softening agent is maleic acid, 1-Octyl acrylate, subtracts line machine oil, furfural extract oil, naphthenic oil, aromatic hydrocarbons
The mixture of one or more in oil, cosolvent containing low-molecular-weight aromatic；
Viscosifier are C5-C9Petropols, alkyl phenol resin, liquid rosin resin, terpene resin, hydrogenation pine
The mixture of one or more in fragrant glyceride, phenolic resin, epoxy resin, polyisobutylene, is used for improving
The tack of self-adhesion asphalt felt and bonding persistency；
Interfacial agents is that poly-acetic acid alkene ester, naphthalene series high-efficiency water-reducing agent, aliphatic high-efficiency water reducing agent, amino efficiently subtract
The mixture of one or more in water preparation, high performance water reducing agent of polyocarboxy acid, is used for reducing self-adhesion asphalt felt table
Surface tension, improves " moistening " performance between self-adhesion asphalt felt and basic unit, thus improves interface cohesive force.
Above-mentioned material self-adhering polymer modification bitumen sizing material preparation method comprises the steps:
Asphalt is heated to 140～160 DEG C, is subsequently adding softening agent, SBS, other modifying agent and thickening
Agent, stirs, and is continuously heating to 170～180 DEG C, grows 30～45 minutes at this temperature, opens glue
Body mill accelerates swelling process, and makes modifying agent homogenizing more complete, stops colloid mill, add boundary after one and a half hours
Face agent, age resistor, at the uniform velocity stirring two hours, adds filler, continues stirring and grows 45～90 minutes, system
Become the resistant to elevated temperatures self-adhering polymer modification bitumen sizing material needing hot blast to assist used by the present invention.
Above-mentioned self-adhering polymer modification bitumen sizing material is laid on the bottom of waterproof roll, resistance to elevated temperatures up to
To 110 DEG C, there is the ageing-resistant performance more superior than conventional SBS modified asphalt coiled material.In order to overcome it cohesion
The self-adhesion of the higher dependence caused of power itself is difficult to the problem reaching completely to glue, and hot blast can be used in use auxiliary
Helping, its hot blast temperature reaches 50 DEG C, need not hot blast auxiliary when temperature is higher than 25 DEG C.
In the present invention, described glass fiber blank basic unit preferably employs low alkali or alkali-free glass fiber felt, and its grammes per square metre is 60g/m2
-120g/m2, thickness is 0.3mm-0.7mm；The grammes per square metre of polyester blank basic unit is 120g/m2-280g/m2, thick
Degree is 0.6mm-1.2mm.
Above-mentioned glass fiber blank basic unit, polyester blank basic unit material therefor all can according to technical specification need purchase from the market
Buy, microlith and the Dura-Glass glass non-woven fabrics of such as Jie Si Man, multi-functional polyester
Spun-bonded non-woven fabrics etc..
In the present invention, the mineral particle bed of material is one layer of mineral pellet, can use the mineral that building field arbitrarily can use
Pellet, preferably basalt granule or pottery magma material, is commercially available.
The modified asphalt waterproof coiled material of the present invention is laid on roofing, the self-adhering polymer modification bitumen sizing material of bottom
Being provided with isolating membrane between layer and roofing, common isolating membrane all can be applied, and such as PE isolating membrane, PET isolate
Film, silicone oil isolating membrane, MCP isolating membrane etc..
In the present invention, taking full advantage of its superior extension property by polyester blank being laid on bottom, borrowing
Helping bottom is self-adhesion asphalt material, it is possible to adapts to the slightly deformation of basic unit and does not ftractures, has the property of spontaneous recovery simultaneously
Energy.Upper strata selects glass fiber blank not only can improve the tensile strength of coiled material as enhancement layer but also to improve the size of coiled material steady
Qualitative.
Accompanying drawing explanation
Fig. 1 is the organigram of waterproof roll of the present invention.
Detailed description of the invention
In order to be able to be more clearly understood that the technical spirit of the present invention, applicant combine accompanying drawing below to the present invention's
Detailed description of the invention elaborates.These explanations are not to constitute the restriction to the present invention program, therefore, appoint
As long as who made under the enlightenment of the present invention program the most pro forma and not for substantial equivalence
Change and remodeling all should be considered as technical scheme category disclosed in this invention and be considered as advocating rights protection
Scope.
With reference to shown in accompanying drawing 1, the waterproof roll of the present invention, upper surface is the mineral particle bed of material 1, and centre is followed successively by
Glass fiber blank basic unit 2 and polyester blank basic unit 3, bottom is self-adhering polymer modification bitumen compound layer 4, neighboring layers
Between by elastomer modified asphalt compound layer 5 bonding get up, finally at self-adhering polymer modification bitumen compound layer
Dividing into one layer of isolating membrane 6, the width of waterproof roll is 1000mm, and overlap edge width is 100mm, coil thickness
For 4-6mm.
Embodiment 1
The glass fiber blank thickness used is: 0.45mm, grammes per square metre is 60g/m2, polyester blank thickness is 1.0mm, grammes per square metre
For 220g/m2, coiled material gross thickness is 5mm, wherein upper surface mineral pellet thickness 1.2mm, thickness between two tire bases
1mm, lower surface self-adhering polymer modification bitumen sizing material thickness 1.35mm, overlap edge width 100mm, coiled material is long
Degree 1000mm.
Wherein, resistant to elevated temperatures elastomer (SBS) modified pitch sizing compound formula is as follows:
Wherein, self-adhering polymer modification bitumen sizing compound formula is as follows:
Embodiment 2
The glass fiber blank thickness used is: 0.4mm, grammes per square metre is 60g/m2, polyester blank thickness is 1.0mm, grammes per square metre
For 220g/m2, coiled material gross thickness is 4mm, wherein upper surface mineral pellet thickness 1mm, thickness between two tire bases
1mm, lower surface self-adhering polymer modification bitumen sizing material thickness 1.6mm, overlap edge width 100mm, web length
1000mm。
Wherein, resistant to elevated temperatures elastomer (SBS) modified pitch sizing compound formula is as follows:
Wherein, self-adhering polymer modification bitumen sizing compound formula is as follows:
Embodiment 3
The glass fiber blank thickness used is: 0.5mm, grammes per square metre is 100g/m2, polyester blank thickness is 1.0mm, grammes per square metre
For 150g/m2, coiled material gross thickness is 6mm, wherein upper surface mineral pellet thickness 1mm, thickness between two tire bases
1.5mm, lower surface self-adhering polymer modification bitumen sizing material thickness 2mm, overlap edge width 100mm, web length
1000mm。
Wherein, resistant to elevated temperatures elastomer (SBS) modified pitch sizing compound formula is as follows:
Wherein, self-adhering polymer modification bitumen sizing compound formula is as follows:
Physicochemical property to above-mentioned waterproof roll, applicant carried out test, and experimental result shows above-mentioned waterproof
Coiled material is in phenomenons such as-30 DEG C of equal flawlesses, crackings, and upper surface is high temperature resistant reaches 120 DEG C, and lower surface reaches 100 DEG C,
Its pulling force is not less than 1000N/50mm, is not less than 3.0N/mm with the peel strength of aluminium sheet, and impermeability exists
The 0.3MPa lower retention time is not less than 120min.
The detection method used is GB/T328-2007, GB18242-2008, GB23441-2009, is examined it
Its index all meets and is higher than GB18242-2008, GB23441-2009 standard-required.
Claims (4)
1. modified asphalt waterproof coiled material, it is characterized in that as multiple structure, upper surface is the mineral particle bed of material, centre is followed successively by glass fiber blank basic unit and polyester blank basic unit, bottom is self-adhering polymer modification bitumen compound layer, got up by elastomer modified asphalt compound layer bonding between neighboring layers, with isolating membrane on self-adhering polymer modification bitumen compound layer；Wherein, described glass fiber blank basic unit uses low alkali or alkali-free glass fiber felt, and its grammes per square metre is 60g/m2-120g/m2, thickness is 0.3mm-0.7mm；The grammes per square metre of described polyester blank basic unit is 120g/m2-280g/m2Thickness is 0.6mm-1.2mm, wherein, described elastomer modified asphalt compound layer chemical composition is: asphalt 20%～45%, bitumen 5%～25%, softening agent 10%～25%, SBS 5%～15%, modifying agent 5%～20%, toughener 1%～5%, age resistor 0.1%～3%, filler 5%～35%；Self-adhering polymer modification bitumen sizing material chemical composition is: asphalt 35%～50%, softening agent 10%～25%, SBS 5%～15%, modifying agent 5%～25%, viscosifier 2%～8%, interfacial agent 1%～5%, age resistor 1%～3%, filler 5%～30%.
Modified asphalt waterproof coiled material the most according to claim 1, it is characterised in that the width of waterproof roll is 1000mm, has the overlap edge of 100mm width in its one end, and waterproof roll thickness is 4-6mm.
Modified asphalt waterproof coiled material the most according to claim 1, it is characterised in that the chemical composition of described elastomer modified asphalt compound layer is:
Asphalt 30%～40%
Bitumen 10%～20%
Softening agent 10%～20%
SBS 7%～10%
Modifying agent 10%～15%
Toughener 2%～4%
Age resistor 1%～2%
Filler 10%～20%.
Modified asphalt waterproof coiled material the most according to claim 1, it is characterised in that self-adhering polymer modification bitumen sizing material chemical composition is:
Asphalt 35%～45%
Softening agent 12%～20%
SBS 8%～12%
Modifying agent 8%～20%
Viscosifier 4%～6%
Interfacial agent 3%～4%
Age resistor 1%～3%
Filler 10%～25%.
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