CN102423943B - Anti-icing coating fabric for membrane structure building, and preparation method thereof - Google Patents
Anti-icing coating fabric for membrane structure building, and preparation method thereof Download PDFInfo
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- CN102423943B CN102423943B CN 201110240644 CN201110240644A CN102423943B CN 102423943 B CN102423943 B CN 102423943B CN 201110240644 CN201110240644 CN 201110240644 CN 201110240644 A CN201110240644 A CN 201110240644A CN 102423943 B CN102423943 B CN 102423943B
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Abstract
The present invention provides an anti-icing coating fabric for a membrane structure building, and a preparation method thereof. The coating fabric comprises an anti-ice coating, an optical substrate layer, a polytetrafluoroethylene coating, a fiber layer, an adhesive layer and a welding layer. The thickness of the anti-ice coating is 10-25 mum, and the filled materials of the anti-ice coating comprise, by mass, 1.5-4.5% of hollow glass beads with the diameter of 2-8 mum, and 1.5-3% of polytetrafluoroethylene of SiO2, wherein the particle size of the polytetrafluoroethylene of the SiO2 is 30-60 nm. The thickness of the optical substrate layer is 30-70 mum, and the filled materials of the optical substrate layer comprise, by mass, 2-4% of TiO2 with the particle size of 60-80 nm, and 1-1.5% of polytetrafluoroethylene of ZnS, wherein the particle size of the polytetrafluoroethylene of the ZnS is 30-50 nm. The anti-icing coating fabric of the present invention has the following advantages: the anti-icing performance and the cold resistance of the membrane structure are increased; the formula is simple, only the inorganic filler is required to add, and no long-time chemical reaction is required; the main processing processes of various steps are the same, and the process has strong controllability.
Description
Technical field
The invention belongs to the material technology field, be specifically related to a kind of anti-icing coating fabric for membrane structure building and preparation method thereof, be mainly used in building trade, also can be used on aviation aircraft.
Background technology
The present age, development along with material technology, the problems such as the acoustics of coated fabric structure, optics, internal temperature control have all obtained good solution, flexible building membrane structure has become a kind of brand-new construction style, its unique mechanical characteristic can provide the building structure come in every shape for people, allows people obtain brand-new visual experience.Due to the coated fabric very thin thickness, membrane structure is different from reinforced concrete structure and has thicker wall, even the coefficient of heat insulation of coated fabric self is higher, its effect of heat insulation is also general, the membrane structure radiant heat transfer accounts for the large percentage of heat exchange total amount simultaneously, and the surfaces externally and internally temperature uniformity of coated fabric is higher.Therefore by day the time film raise by the solar radiation temperature higher, if the membrane structure inner ventilation is not smooth, the indoor gas temperature that approaches top can be higher, membrane structure forms larger thermograde from top to bottom in inside; At night, especially sunny evening, coated fabric outwards sends infra-red radiation, temperature descends, indoor temperature cycles is more aggravated the external amount of radiation of coated fabric, therefore can cause the temperature of the temperature on coated fabric surface lower than the membrane structure outside atmosphere, can produce the supercool dewfall phenomenon of freezing when gas moisture runs into the lower coated fabric of temperature.Dewfall that fine method the solves membrane structure problem such as freeze is not yet proposed at present.
Summary of the invention
For problems of the prior art, the invention provides a kind of anti-icing coating fabric for membrane structure building and preparation method thereof, this material possesses good optics thermodynamics radiation characteristic, prevents the membrane structure supercool phenomenon of freezing.The thermodynamic behaviour of the icing phenomenon of the supercool of coating and material has direct relation, and the present invention realizes preventing the generation of the icing phenomenon of supercool just by the thermodynamic behaviour that changes material.In the coating material thermodynamic behaviour, the absorptivity of material and infrared emittance are the most important, and wherein material infrared emissivity directly affects the icing phenomenon of supercool.The infrared emittance of material is higher, and the icing phenomenon of the supercool of material is more serious.Yet coated fabric design need to consider several factors to be carried out, the heat that the infrared emittance that reduces separately material absorbs in the time of can causing membrane structure by day can't shed, and greatly increases the temperature of membrane structure inside, affects inner level of comfort.So must consider a plurality of key elements of Design of Membrane Structure requirement carries out.
The present invention proposes a kind of anti-icing coating fabric for membrane structure building, and this coated fabric contains six layers of structure altogether, is ice-phobic coating, optical substrate layer, polytetrafluorethylecoatings coatings, fibrage, glue-line and weld layer from top to bottom in turn; Described ice-phobic coating and optical substrate layer are the polytetrafluoroethylene (PTFE) organic coating, the thickness of ice-phobic coating is 10～25 microns, and its material is that the diameter that the filling quality mark is 1.5～4.5% is that 2～8 microns hollow glass micropearls and mass fraction are that 1.5～3% grain sizes are 30～60nmSiO
2polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 30～70 microns, and its material is that the filling quality mark is that 2～4% grain sizes are 60～80nmTiO
2with the mass fraction polytetrafluoroethylene (PTFE) that is 1～1.5% grain size ZnS that is 30～50nm; The thickness of polytetrafluorethylecoatings coatings is 10～35 microns; Fibrolaminar thickness is 150～450 microns; The thickness of glue-line is 20～50 microns, and composition is hot melt polyurethane reaction colloid; The thickness of weld layer is 40～60 microns, and composition is thermoplastic polyurethane, between each layer, by coating processes, is combined into one.
The preparation method of a kind of anti-icing coating fabric for membrane structure building that the present invention proposes specifically comprises following step:
(1) dispersion liquid of preparation optical substrate layer and ice-phobic coating;
Ice-phobic coating is that the diameter that the filling quality mark is 1.5～4.5% is that 2～8 microns hollow glass micropearls and mass fraction are that 1.5～3% grain sizes are 30～60nmSiO
2polytetrafluoroethylene (PTFE), the optical substrate layer is that the filling quality mark is that 2～4% grain sizes are 60～80nmTiO
2with the mass fraction polytetrafluoroethylene (PTFE) that is 1～1.5% grain size ZnS that is 30～50nm.
At first prepare the polytetrafluoroethyldispersion dispersion that solid content is 50～60%, then first adding wherein the diameter that mass fraction is 2.5～8% is 2～8 microns hollow glass micropearls, and adding 2.5～5.5% grain sizes after stirring is 30～60nmSiO again
2, obtain the dispersion liquid of optical substrate layer after stirring; Prepare the polytetrafluoroethyldispersion dispersion that solid content is 50～60%, adding successively 3.5～7% grain sizes is 60～80nmTiO
2with mass fraction be the ZnS that 1.8～2.7% grain sizes are 30～50nm, adding procedure stirs simultaneously, obtains the dispersion liquid of ice-phobic coating after stirring;
(2) process glass fabric;
At first the glass fabric single face impregnation solid content that is 150～450 microns by thickness is in 50～60% polytetrafluoroethyldispersion dispersions, through 15～20 seconds 75～80 ℃ preheat, 5～10 seconds temperature in 245～250 ℃ dry and 5～10 seconds 338～343 ℃ of hyperthermia drying programs, on the glass fabric surface, form 10～35 micron thick polytetrafluorethylecoatings coatings;
(3) processing optical basalis;
Adopt roller coating technology, apply the dispersion liquid of optical substrate layer on the polytetrafluorethylecoatings coatings obtained in step (2), through 15～20 seconds 75～80 ℃ preheat, 5～10 seconds temperature in 245～250 ℃ dry and 5～10 seconds 338～343 ℃ of hyperthermia drying programs, form smooth face; Repeatedly apply, form the approximately optical substrate layer of 30～70 microns of a layer thickness;
(4) processing ice-phobic coating;
Apply the dispersion liquid of ice-phobic coating on the optical substrate layer, through 15～20 seconds 75～80 ℃ preheat, 5～10 seconds temperature in 245～250 ℃ dry and 5～10 seconds 338～343 ℃ of hyperthermia drying programs, form smooth face; Repeatedly apply, form the approximately ice-phobic coating of 10～25 microns of thickness;
(5) processing weld layer; Adopt the hot melt coating processes, apply in turn hot melt polyurethane reaction colloid and thermoplastic polyurethane at the back side of glass fabric, the glue-line that to form respectively thickness be 20～50 microns and thickness is the weld layer of 40～60 microns approximately, and final formation is the anti-icing coatings fabric of ice-phobic coating, optical substrate layer, polytetrafluorethylecoatings coatings, fibrage, glue-line and weld layer in turn.
In ice-phobic coating Fabric Design process of the present invention, the every thermodynamic behaviour of material has been carried out to comprehensive Design, typical membrane structure building characteristic has been carried out to analysis-by-synthesis, analysis result shows that this material possesses higher comprehensive advantage than common material, can effectively hang down the indoor temperature of membrane structure on daytime in summer, can effectively keep the membrane structure indoor temperature daytime in the winter time, can effectively prevent that at night the supercool phenomenon of freezing from appearring in membrane structure.
The invention has the advantages that:
(1) the present invention proposes a kind of anti-icing coating fabric for membrane structure building and preparation method thereof, has advantages of the membrane structure of increasing freezing ability;
(2) the present invention proposes a kind of anti-icing coating fabric for membrane structure building and preparation method thereof, has advantages of the membrane structure of increasing cold resistance;
(3) the present invention proposes a kind of anti-icing coating fabric for membrane structure building and preparation method thereof, and formula is simple, only needs to add inorganic filler, without long-time chemical reaction;
(4) the present invention proposes a kind of anti-icing coating fabric for membrane structure building and preparation method thereof, and the main process of each step is identical, and process controllability is strong;
(5) the present invention proposes a kind of anti-icing coating fabric for membrane structure building and preparation method thereof, and matrix material is identical, and the adhesion between each functional layer is strong, does not have the splitting risk;
(6) the present invention proposes a kind of anti-icing coating fabric for membrane structure building and preparation method thereof, and process equipment is simple, does not need additional configuration complicated processing equipment.
The accompanying drawing explanation
Fig. 1: the present invention proposes a kind of structural representation of anti-icing coating fabric for membrane structure building;
Fig. 2: the present invention proposes a kind of preparation method's flow chart of anti-icing coating fabric for membrane structure building.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
The present invention proposes a kind of anti-icing coating fabric for membrane structure building, and this coated fabric contains six layers of structure altogether, as shown in Figure 1, comprises in turn from top to bottom ice-phobic coating, optical substrate layer, polytetrafluorethylecoatings coatings, fibrage, glue-line and weld layer.Described ice-phobic coating and optical substrate layer are the polytetrafluoroethylene (PTFE) organic coating.The thickness of ice-phobic coating is 10～25 microns, and its material is that the diameter that the filling quality mark is 1.5～4.5% is that 2～8 microns hollow glass micropearls and mass fraction are that 1.5～3% grain sizes are 30～60nmSiO
2polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 30～70 microns, and its material is that the filling quality mark is that 2～4% grain sizes are 60～80nmTiO
2with the mass fraction polytetrafluoroethylene (PTFE) that is 1～1.5% grain size ZnS that is 30～50nm; The thickness of polytetrafluorethylecoatings coatings is 10～35 microns; Fibrolaminar thickness is 150～450 microns; The thickness of glue-line is 20～50 microns, and composition is hot melt polyurethane reaction colloid; The thickness of weld layer is 40～60 microns, and composition is thermoplastic polyurethane, between each layer, by coating processes, is combined into one.
The present invention proposes a kind of preparation method of anti-icing coating fabric for membrane structure building, as shown in Figure 2, specifically comprises following step:
(1) dispersion liquid of preparation optical substrate layer and ice-phobic coating.Ice-phobic coating and optical substrate layer are the polytetrafluoroethylene (PTFE) organic coating and form.Ice-phobic coating is that the diameter that the filling quality mark is 1.5～4.5% is that 2～8 microns hollow glass micropearls and mass fraction are that 1.5～3% grain sizes are 30～60nmSiO
2polytetrafluoroethylene (PTFE), the optical substrate layer is that the filling quality mark is that 2～4% grain sizes are 60～80nmTiO
2with the mass fraction polytetrafluoroethylene (PTFE) that is 1～1.5% grain size ZnS that is 30～50nm.At first prepare the polytetrafluoroethyldispersion dispersion that solid content is 50～60%, then first adding wherein the diameter that mass fraction is 2.5～8% is 2～8 microns hollow glass micropearls, and adding 2.5～5.5% grain sizes after stirring is 30～60nmSiO again
2, obtain the dispersion liquid of optical substrate layer after stirring; The polytetrafluoroethyldispersion dispersion that the preparation solid content is 50～60%, adding successively 3.5～7% grain sizes is 60～80nmTiO
2with mass fraction be the ZnS that 1.8～2.7% grain sizes are 30～50nm, adding procedure stirs simultaneously, obtains the dispersion liquid of ice-phobic coating after stirring.
(2) process glass fabric.At first the glass fabric that is 150～450 microns by thickness (being fibrage) single face impregnation solid content is in 50～60% polytetrafluoroethyldispersion dispersions, through 15～20 seconds 75～80 ℃ preheat, 5～10 seconds temperature in 245～250 ℃ dry and 5～10 seconds 338～343 ℃ of hyperthermia drying programs, on the glass fabric surface, form 10～35 micron thick polytetrafluorethylecoatings coatings.
(3) processing optical basalis.Adopt roller coating technology, apply the approximately dispersion liquid of the optical substrate layer of 8～12 micron thick on the thick polytetrafluorethylecoatings coatings obtained in step (2), through 15～20 seconds 75～80 ℃ preheat, 5～10 seconds temperature in 245～250 ℃ dry and 5～10 seconds 338～343 ℃ of hyperthermia drying programs, form smooth face; Repeatedly apply 3～4 times, form the approximately optical substrate layer of 30～70 microns of a layer thickness.
(4) processing ice-phobic coating.Apply the approximately dispersion liquid of the ice-phobic coating of 8～12 micron thick on the optical substrate layer, through 15～20 seconds 75～80 ℃ preheat, 5～10 seconds temperature in 245～250 ℃ dry and 5～10 seconds 338～343 ℃ of hyperthermia drying programs, form smooth face; Repeatedly apply 3 times, form the approximately ice-phobic coating of 10～25 microns of thickness.
(5) processing weld layer.Adopt the hot melt coating processes, apply in turn hot melt polyurethane reaction colloid and thermoplastic polyurethane at the back side of glass fabric (being fibrage), the glue-line that to form respectively thickness be 20～50 microns and thickness is the weld layer of 40～60 microns approximately.Can regulate visible light transmissivity by the ratio of regulating colour masterbatch in weld layer.
embodiment 1
Anti-icing coating fabric for membrane structure building in the present embodiment contains six layers of structure altogether, comprises in turn from top to bottom ice-phobic coating, optical substrate layer, polytetrafluorethylecoatings coatings, fibrage, glue-line and weld layer.Described ice-phobic coating and optical substrate layer are the polytetrafluoroethylene (PTFE) organic coating.The thickness of ice-phobic coating is 10 microns, and its material is that the diameter that the filling quality mark is 1.5% is that 2 microns hollow glass micropearls and mass fraction are that 1.5% grain size is 30nmSiO
2polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 30 microns, and its material is that the filling quality mark is that 2% grain size is 60nmTiO
2with the mass fraction polytetrafluoroethylene (PTFE) that is the 1% grain size ZnS that is 30nm; The thickness of polytetrafluorethylecoatings coatings is 10 microns; Fibrolaminar thickness is 150 microns; The thickness of glue-line is 20 microns, and composition is hot melt polyurethane reaction colloid; The thickness of weld layer is 40 microns, and composition is thermoplastic polyurethane.
The preparation method of above-mentioned anti-icing coating fabric for membrane structure building specifically comprises following step:
(1) dispersion liquid of preparation optical substrate layer and ice-phobic coating.Ice-phobic coating and optical substrate layer are the polytetrafluoroethylene (PTFE) organic coating and form.Ice-phobic coating is that the diameter that the filling quality mark is 1.5% is that 2 microns hollow glass micropearls and mass fraction are that 1.5% grain size is 30nmSiO
2polytetrafluoroethylene (PTFE), the optical substrate layer is that the filling quality mark is that 2% grain size is 60nmTiO
2with the mass fraction polytetrafluoroethylene (PTFE) that is the 1% grain size ZnS that is 30nm.At first prepare the polytetrafluoroethyldispersion dispersion that solid content is 50%, then first adding wherein the diameter that mass fraction is 2.5% is 2 microns hollow glass micropearls, and adding 2.5% grain size after stirring is 30nmSiO again
2, obtain the dispersion liquid of optical substrate layer after stirring; The polytetrafluoroethyldispersion dispersion that the preparation solid content is 50%, adding successively 3.5% grain size is 60nmTiO
2with mass fraction be the ZnS that 1.8% grain size is 30nm, adding procedure stirs simultaneously, obtains the dispersion liquid of ice-phobic coating after stirring.
(2) process glass fabric.At first the glass fabric that is 150 microns by thickness (being fibrage) single face impregnation solid content is in 50% polytetrafluoroethyldispersion dispersion, through 15 seconds 75 ℃ preheat, 5 seconds temperature in 24 ℃ dry and 5 seconds 338 ℃ of hyperthermia drying programs, on the glass fabric surface, form 10 micron thick polytetrafluorethylecoatings coatings.
(3) processing optical basalis.Adopt roller coating technology, apply the approximately optical substrate layer dispersion liquid of 8 micron thick on the thick polytetrafluorethylecoatings coatings obtained in step (2), through 15 seconds 75 ℃ preheat, 5 seconds temperature in 245 ℃ dry and 5 seconds 338 ℃ of hyperthermia drying programs, form smooth face; Repeatedly apply 4 times, form the approximately optical substrate layer of 30 microns of a layer thickness.
(4) processing ice-phobic coating.Apply the approximately ice-phobic coating dispersion liquid of 8 micron thick on the optical substrate layer, through 15 seconds 75 ℃ preheat, 5 seconds temperature in 245 ℃ dry and 5 seconds 338 ℃ of hyperthermia drying programs, form smooth face; Repeatedly apply 3 times, form the approximately ice-phobic coating of 10 microns of thickness.
(5) processing weld layer.Adopt the hot melt coating processes, apply in turn hot melt polyurethane reaction colloid and thermoplastic polyurethane at the back side of glass fabric (being fibrage), the glue-line that to form respectively thickness be 20 microns and thickness is the weld layer of 40 microns approximately.
embodiment 2
The present embodiment provides a kind of anti-icing coating fabric for membrane structure building, and this coated fabric contains six layers of structure altogether, is ice-phobic coating, optical substrate layer, polytetrafluorethylecoatings coatings, fibrage, glue-line and weld layer from top to bottom in turn; Described ice-phobic coating and optical substrate layer are the polytetrafluoroethylene (PTFE) organic coating, and the thickness of ice-phobic coating is 25 microns, and its material is that the diameter that the filling quality mark is 4.5% is that 8 microns hollow glass micropearls and mass fraction are that 3% grain size is nmSiO
2polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 70 microns, and its material is that the filling quality mark is that 4% grain size is 80nmTiO
2with the mass fraction polytetrafluoroethylene (PTFE) that is the 1.5% grain size ZnS that is 50nm; The thickness of polytetrafluorethylecoatings coatings is 35 microns; Fibrolaminar thickness is 450 microns; The thickness of glue-line is 50 microns, and composition is hot melt polyurethane reaction colloid; The thickness of weld layer is 60 microns, and composition is thermoplastic polyurethane.
The preparation method of above-mentioned a kind of anti-icing coating fabric for membrane structure building specifically comprises following step:
(1) dispersion liquid of preparation optical substrate layer and ice-phobic coating;
Ice-phobic coating is that the diameter that the filling quality mark is 4.5% is that 8 microns hollow glass micropearls and mass fraction are that 3% grain size is 60nmSiO
2polytetrafluoroethylene (PTFE), the optical substrate layer is that the filling quality mark is that 4% grain size is 80nmTiO
2with the mass fraction polytetrafluoroethylene (PTFE) that is the 1.5% grain size ZnS that is 50nm; At first prepare the polytetrafluoroethyldispersion dispersion that solid content is 60%, then first adding wherein the diameter that mass fraction is 8% is 8 microns hollow glass micropearls, and adding 5.5% grain size after stirring is 60nmSiO again
2, obtain the dispersion liquid of optical substrate layer after stirring; The polytetrafluoroethyldispersion dispersion that the preparation solid content is 60%, adding successively 7% grain size is 80nmTiO
2with mass fraction be the ZnS that 2.7% grain size is 50nm, adding procedure stirs simultaneously, obtains the dispersion liquid of ice-phobic coating after stirring.
(2) process glass fabric;
At first the glass fabric single face impregnation solid content that is 450 microns by thickness is in 60% polytetrafluoroethyldispersion dispersion, through 20 seconds 80 ℃ preheat, 10 seconds temperature in 250 ℃ dry and 10 seconds 343 ℃ of hyperthermia drying programs, on the glass fabric surface, form 35 micron thick polytetrafluorethylecoatings coatings;
(3) processing optical basalis;
Adopt roller coating technology, apply the approximately optical substrate layer dispersion liquid of 8～12 micron thick on the thick polytetrafluorethylecoatings coatings obtained in step (2), through 20 seconds 80 ℃ preheat, 10 seconds temperature in 250 ℃ dry and 10 seconds 343 ℃ of hyperthermia drying programs, form smooth face; Repeatedly apply, form the approximately optical substrate layer of 70 microns of a layer thickness;
(4) processing ice-phobic coating;
Apply the approximately ice-phobic coating dispersion liquid of 12 micron thick on the optical substrate layer, through 20 seconds 80 ℃ preheat, 10 seconds temperature in 250 ℃ dry and 10 seconds 343 ℃ of hyperthermia drying programs, form smooth face; Repeatedly apply, form the approximately ice-phobic coating of 25 microns of thickness;
(5) processing weld layer; Adopt the hot melt coating processes, apply in turn hot melt polyurethane reaction colloid and thermoplastic polyurethane at the back side of glass fabric, the glue-line that to form respectively thickness be 50 microns and thickness is the weld layer of 60 microns approximately, and final formation is the anti-icing coatings fabric of ice-phobic coating, optical substrate layer, polytetrafluorethylecoatings coatings, fibrage, glue-line and weld layer in turn.
embodiment 3
The present embodiment provides a kind of anti-icing coating fabric for membrane structure building, and this coated fabric contains six layers of structure altogether, is ice-phobic coating, optical substrate layer, polytetrafluorethylecoatings coatings, fibrage, glue-line and weld layer from top to bottom in turn; Described ice-phobic coating and optical substrate layer are the polytetrafluoroethylene (PTFE) organic coating, and the thickness of ice-phobic coating is 15 microns, and its material is that the diameter that the filling quality mark is 2% is that 4 microns hollow glass micropearls and mass fraction are that 2% grain size is 40nmSiO
2polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 40 microns, and its material is that the filling quality mark is that 2.5% grain size is 65nmTiO
2with the mass fraction polytetrafluoroethylene (PTFE) that is the 1.2% grain size ZnS that is 35nm; The thickness of polytetrafluorethylecoatings coatings is 15 microns; Fibrolaminar thickness is 200 microns; The thickness of glue-line is 30 microns, and composition is hot melt polyurethane reaction colloid; The thickness of weld layer is 45 microns, and composition is thermoplastic polyurethane.
The preparation method of above-mentioned a kind of anti-icing coating fabric for membrane structure building specifically comprises following step:
(1) dispersion liquid of preparation optical substrate layer and ice-phobic coating;
Ice-phobic coating is that the diameter that the filling quality mark is 2% is that 4 microns hollow glass micropearls and mass fraction are that 2% grain size is 40nmSiO
2polytetrafluoroethylene (PTFE), the optical substrate layer is that the filling quality mark is that 2.5% grain size is 65nmTiO
2with the mass fraction polytetrafluoroethylene (PTFE) that is the 1.2% grain size ZnS that is 35nm; At first prepare the polytetrafluoroethyldispersion dispersion that solid content is 53%, then first adding wherein the diameter that mass fraction is 3% is 4 microns hollow glass micropearls, and adding 3% grain size after stirring is 35nmSiO again
2, obtain the dispersion liquid of optical substrate layer after stirring; The polytetrafluoroethyldispersion dispersion that the preparation solid content is 53%, adding successively 4% grain size is 65nmTiO
2with mass fraction be the ZnS that 2.2% grain size is 35nm, adding procedure stirs simultaneously, obtains the dispersion liquid of ice-phobic coating after stirring.
(2) process glass fabric;
At first the glass fabric single face impregnation solid content that is 200 microns by thickness is in 53% polytetrafluoroethyldispersion dispersion, through 16 seconds 76 ℃ preheat, 6 seconds temperature in 246 ℃ dry and 6 seconds 340 ℃ of hyperthermia drying programs, on the glass fabric surface, form 15 micron thick polytetrafluorethylecoatings coatings;
(3) processing optical basalis;
Adopt roller coating technology, apply the approximately optical substrate layer dispersion liquid of 9 micron thick on the thick polytetrafluorethylecoatings coatings obtained in step (2), through 16 seconds 76 ℃ preheat, 6 seconds temperature in 246 ℃ dry and 6 seconds 340 ℃ of hyperthermia drying programs, form smooth face; Repeatedly apply, form the approximately optical substrate layer of 40 microns of a layer thickness;
(4) processing ice-phobic coating;
Apply the approximately ice-phobic coating dispersion liquid of 9 micron thick on the optical substrate layer, through 16 seconds 76 ℃ preheat, 6 seconds temperature in 246 ℃ dry and 6 seconds 340 ℃ of hyperthermia drying programs, form smooth face; Repeatedly apply, form the approximately ice-phobic coating of 15 microns of thickness;
(5) processing weld layer; Adopt the hot melt coating processes, apply in turn hot melt polyurethane reaction colloid and plastic polyurethane at the back side of glass fabric, the glue-line that to form respectively thickness be 30 microns and thickness is the weld layer of 45 microns approximately, and final formation is the anti-icing coatings fabric of ice-phobic coating, optical substrate layer, polytetrafluorethylecoatings coatings, fibrage, glue-line and weld layer in turn.
embodiment 4
The present embodiment proposes a kind of anti-icing coating fabric for membrane structure building, and this coated fabric contains six layers of structure altogether, is ice-phobic coating, optical substrate layer, polytetrafluorethylecoatings coatings, fibrage, glue-line and weld layer from top to bottom in turn; Described ice-phobic coating and optical substrate layer are the polytetrafluoroethylene (PTFE) organic coating, and the thickness of ice-phobic coating is 20 microns, and its material is that the diameter that the filling quality mark is 3% is that 6 microns hollow glass micropearls and mass fraction are that 2.5% grain size is 50nmSiO
2polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 50 microns, and its material is that the filling quality mark is that 3% grain size is 70nmTiO
2with the mass fraction polytetrafluoroethylene (PTFE) that is the 1.4% grain size ZnS that is 40nm; The thickness of polytetrafluorethylecoatings coatings is 20 microns; Fibrolaminar thickness is 250 microns; The thickness of glue-line is 40 microns, and composition is hot melt polyurethane reaction colloid; The thickness of weld layer is 50 microns, and composition is thermoplastic polyurethane.
The preparation method of above-mentioned a kind of anti-icing coating fabric for membrane structure building specifically comprises following step:
(1) dispersion liquid of preparation optical substrate layer and ice-phobic coating;
Ice-phobic coating is that the diameter that the filling quality mark is 3% is that 6 microns hollow glass micropearls and mass fraction are that 2.5% grain size is 50nmSiO
2polytetrafluoroethylene (PTFE), the optical substrate layer is that the filling quality mark is that 3% grain size is 70nmTiO
2with the mass fraction polytetrafluoroethylene (PTFE) that is the 1.4% grain size ZnS that is 40nm; At first prepare the polytetrafluoroethyldispersion dispersion that solid content is 55%, then first adding wherein the diameter that mass fraction is 5% is 6 microns hollow glass micropearls, and adding 4% grain size after stirring is 50nmSiO again
2, obtain the dispersion liquid of optical substrate layer after stirring; The polytetrafluoroethyldispersion dispersion that the preparation solid content is 55%, adding successively 5% grain size is 70nmTiO
2with mass fraction be the ZnS that 2% grain size is 40nm, adding procedure stirs simultaneously, obtains the dispersion liquid of ice-phobic coating after stirring.
(2) process glass fabric;
At first the glass fabric single face impregnation solid content that is 250 microns by thickness is in 55% polytetrafluoroethyldispersion dispersion, through 18 seconds 78 ℃ preheat, 8 seconds temperature in 248 ℃ dry and 8 seconds 342 ℃ of hyperthermia drying programs, on the glass fabric surface, form 20 micron thick polytetrafluorethylecoatings coatings;
(3) processing optical basalis;
Adopt roller coating technology, apply optical substrate layer dispersion liquid on the thick polytetrafluorethylecoatings coatings obtained in step (2), through 18 seconds 78 ℃ preheat, 8 seconds temperature in 248 ℃ dry and 8 seconds 342 ℃ of hyperthermia drying programs, form smooth face; Repeatedly apply, form the approximately optical substrate layer of 50 microns of a layer thickness;
(4) processing ice-phobic coating;
Apply the ice-phobic coating dispersion liquid on the optical substrate layer, through 18 seconds 78 ℃ preheat, 8 seconds temperature in 248 ℃ dry and 8 seconds 342 ℃ of hyperthermia drying programs, form smooth face; Repeatedly apply, form the approximately ice-phobic coating of 20 microns of thickness;
(5) processing weld layer; Adopt the hot melt coating processes, apply in turn hot melt polyurethane reaction colloid and thermoplastic polyurethane at the back side of glass fabric, the glue-line that to form respectively thickness be 40 microns and thickness is the weld layer of 50 microns approximately, and final formation is the anti-icing coatings fabric of ice-phobic coating, optical substrate layer, polytetrafluorethylecoatings coatings, fibrage, glue-line and weld layer in turn.
embodiment 5
The present embodiment proposes a kind of anti-icing coating fabric for membrane structure building, and this coated fabric contains six layers of structure altogether, is ice-phobic coating, optical substrate layer, polytetrafluorethylecoatings coatings, fibrage, glue-line and weld layer from top to bottom in turn; Described ice-phobic coating and optical substrate layer are the polytetrafluoroethylene (PTFE) organic coating, and the thickness of ice-phobic coating is 23 microns, and its material is that the diameter that the filling quality mark is 4% is that 7 microns hollow glass micropearls and mass fraction are that 2.8% grain size is 55nmSiO
2polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 60 microns, and its material is that the filling quality mark is that 3.5% grain size is 75nmTiO
2with the mass fraction polytetrafluoroethylene (PTFE) that is the 1.3% grain size ZnS that is 45nm; The thickness of polytetrafluorethylecoatings coatings is 25 microns; Fibrolaminar thickness is 400 microns; The thickness of glue-line is 45 microns, and composition is hot melt polyurethane reaction colloid; The thickness of weld layer is 55 microns, and composition is thermoplastic polyurethane.
The preparation method of a kind of anti-icing coating fabric for membrane structure building that the present invention proposes specifically comprises following step:
(1) dispersion liquid of preparation optical substrate layer and ice-phobic coating;
Ice-phobic coating is that the diameter that the filling quality mark is 4% is that 7 microns hollow glass micropearls and mass fraction are that 2.8% grain size is 55nmSiO
2polytetrafluoroethylene (PTFE), the optical substrate layer is that the filling quality mark is that 3.5% grain size is 75nmTiO
2with the mass fraction polytetrafluoroethylene (PTFE) that is the 1.3% grain size ZnS that is 45nm; At first prepare the polytetrafluoroethyldispersion dispersion that solid content is 58%, then first adding wherein the diameter that mass fraction is 7% is 7 microns hollow glass micropearls, and adding 5% grain size after stirring is 55nmSiO again
2, obtain the dispersion liquid of optical substrate layer after stirring; The polytetrafluoroethyldispersion dispersion that the preparation solid content is 58%, adding successively 6% grain size is 60～80nmTiO
2with mass fraction be the ZnS that 2.5% grain size is 45nm, adding procedure stirs simultaneously, obtains the dispersion liquid of ice-phobic coating after stirring.
(2) process glass fabric;
At first the glass fabric single face impregnation solid content that is 400 microns by thickness is in 58% polytetrafluoroethyldispersion dispersion, through 19 seconds 79 ℃ preheat, 9 seconds temperature in 249 ℃ dry and 9 seconds 341 ℃ of hyperthermia drying programs, on the glass fabric surface, form 25 micron thick polytetrafluorethylecoatings coatings;
(3) processing optical basalis;
Adopt roller coating technology, apply optical substrate layer dispersion liquid on the thick polytetrafluorethylecoatings coatings obtained in step (2), through 19 seconds 79 ℃ preheat, 9 seconds temperature in 249 ℃ dry and 9 seconds 341 ℃ of hyperthermia drying programs, form smooth face; Repeatedly apply, form the approximately optical substrate layer of 60 microns of a layer thickness;
(4) processing ice-phobic coating;
Apply the ice-phobic coating dispersion liquid on the optical substrate layer, through 19 seconds 79 ℃ preheat, 9 seconds temperature in 249 ℃ dry and 9 seconds 341 ℃ of hyperthermia drying programs, form smooth face; Repeatedly apply, form the approximately ice-phobic coating of 23 microns of thickness;
(5) processing weld layer; Adopt the hot melt coating processes, apply in turn hot melt polyurethane reaction colloid and thermoplastic polyurethane at the back side of glass fabric, form respectively the approximately weld layer of 55 microns of the glue-line of 45 microns of thickness and thickness, final formation is the anti-icing coatings fabric of ice-phobic coating, optical substrate layer, polytetrafluorethylecoatings coatings, fibrage, glue-line and weld layer in turn.
Claims (10)
1. an anti-icing coating fabric for membrane structure building, it is characterized in that: described coated fabric contains six layers of structure altogether, is ice-phobic coating, optical substrate layer, polytetrafluorethylecoatings coatings, fibrage, glue-line and weld layer from top to bottom in turn; The thickness of described ice-phobic coating is 10～25 microns, and its material is that the diameter that the filling quality mark is 1.5～4.5% is that 2～8 microns hollow glass micropearls and mass fraction are that 1.5～3% grain sizes are 30～60nmSiO
2polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 30～70 microns, and its material is that the filling quality mark is that 2～4% grain sizes are 60～80nmTiO
2with the mass fraction polytetrafluoroethylene (PTFE) that is 1～1.5% grain size ZnS that is 30～50nm; The thickness of polytetrafluorethylecoatings coatings is 10～35 microns; Fibrolaminar thickness is 150～450 microns; The thickness of glue-line is 20～50 microns, and composition is hot melt polyurethane reaction colloid; The thickness of weld layer is 40～60 microns, and composition is thermoplastic polyurethane, between each layer, by coating processes, is combined into one.
2. a kind of anti-icing coating fabric for membrane structure building according to claim 1, it is characterized in that: the thickness of the ice-phobic coating of described coated fabric is 10 microns, and its material is that the diameter that the filling quality mark is 1.5% is that 2 microns hollow glass micropearls and mass fraction are that 1.5% grain size is 30nmSiO
2polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 30 microns, and its material is that the filling quality mark is that 2% grain size is 60nmTiO
2with the mass fraction polytetrafluoroethylene (PTFE) that is the 1% grain size ZnS that is 30nm; The thickness of polytetrafluorethylecoatings coatings is 10 microns; Fibrolaminar thickness is 150 microns; The thickness of glue-line is 20 microns, and composition is hot melt polyurethane reaction colloid; The thickness of weld layer is 40 microns, and composition is thermoplastic polyurethane.
3. a kind of anti-icing coating fabric for membrane structure building according to claim 1, it is characterized in that: the thickness of the ice-phobic coating of described coated fabric is 25 microns, and its material is that the diameter that the filling quality mark is 4.5% is that 8 microns hollow glass micropearls and mass fraction are that 3% grain size is nmSiO
2polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 70 microns, and its material is that the filling quality mark is that 4% grain size is 80nmTiO
2with the mass fraction polytetrafluoroethylene (PTFE) that is the 1.5% grain size ZnS that is 50nm; The thickness of polytetrafluorethylecoatings coatings is 35 microns; Fibrolaminar thickness is 450 microns; The thickness of glue-line is 50 microns, and composition is hot melt polyurethane reaction colloid; The thickness of weld layer is 60 microns, and composition is thermoplastic polyurethane.
4. a kind of anti-icing coating fabric for membrane structure building according to claim 1, it is characterized in that: the thickness of the ice-phobic coating of described coated fabric is 15 microns, and its material is that the diameter that the filling quality mark is 2% is that 4 microns hollow glass micropearls and mass fraction are that 2% grain size is 40nmSiO
2polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 40 microns, and its material is that the filling quality mark is that 2.5% grain size is 65nmTiO
2with the mass fraction polytetrafluoroethylene (PTFE) that is the 1.2% grain size ZnS that is 35nm; The thickness of polytetrafluorethylecoatings coatings is 15 microns; Fibrolaminar thickness is 200 microns; The thickness of glue-line is 30 microns, and composition is hot melt polyurethane reaction colloid; The thickness of weld layer is 45 microns, and composition is thermoplastic polyurethane.
5. a kind of anti-icing coating fabric for membrane structure building according to claim 1, it is characterized in that: the thickness of described coated fabric ice-phobic coating is 20 microns, and its material is that the diameter that the filling quality mark is 3% is that 6 microns hollow glass micropearls and mass fraction are that 2.5% grain size is 50nmSiO
2polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 50 microns, and its material is that the filling quality mark is that 3% grain size is 70nmTiO
2with the mass fraction polytetrafluoroethylene (PTFE) that is the 1.4% grain size ZnS that is 40nm; The thickness of polytetrafluorethylecoatings coatings is 20 microns; Fibrolaminar thickness is 250 microns; The thickness of glue-line is 40 microns, and composition is hot melt polyurethane reaction colloid; The thickness of weld layer is 50 microns, and composition is thermoplastic polyurethane.
6. a kind of anti-icing coating fabric for membrane structure building according to claim 1, it is characterized in that: the thickness of the ice-phobic coating of described coated fabric is 23 microns, and its material is that the diameter that the filling quality mark is 4% is that 7 microns hollow glass micropearls and mass fraction are that 2.8% grain size is 55nmSiO
2polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 60 microns, and its material is that the filling quality mark is that 3.5% grain size is 75nmTiO
2with the mass fraction polytetrafluoroethylene (PTFE) that is the 1.3% grain size ZnS that is 45nm; The thickness of polytetrafluorethylecoatings coatings is 25 microns; Fibrolaminar thickness is 400 microns; The thickness of glue-line is 45 microns, and composition is hot melt polyurethane reaction colloid; The thickness of weld layer is 55 microns, and composition is thermoplastic polyurethane.
7. the preparation method of an anti-icing coating fabric for membrane structure building is characterized in that: specifically comprise following step:
(1) dispersion liquid of preparation optical substrate layer and ice-phobic coating;
Ice-phobic coating is that the diameter that the filling quality mark is 1.5～4.5% is that 2～8 microns hollow glass micropearls and mass fraction are that 1.5～3% grain sizes are 30～60nmSiO
2polytetrafluoroethylene (PTFE), the optical substrate layer is that the filling quality mark is that 2～4% grain sizes are 60～80nmTiO
2with the mass fraction polytetrafluoroethylene (PTFE) that is 1～1.5% grain size ZnS that is 30～50nm; At first prepare the polytetrafluoroethyldispersion dispersion that solid content is 50～60%, the particulate component then added according to ice-phobic coating and optical substrate layer configures respectively the dispersion liquid of optical substrate layer and the dispersion liquid of ice-phobic coating;
(2) process glass fabric;
At first the glass fabric single face impregnation solid content that is 150～450 microns by thickness is in 50～60% polytetrafluoroethyldispersion dispersions, through 15～20 seconds 75～80 ℃ preheat, 5～10 seconds temperature in 245～250 ℃ dry and 5～10 seconds 338～343 ℃ of hyperthermia drying programs, on the glass fabric surface, form 10～35 micron thick polytetrafluorethylecoatings coatings;
(3) processing optical basalis;
Adopt roller coating technology, apply the dispersion liquid of optical substrate layer on the thick polytetrafluorethylecoatings coatings obtained in step (2), through 15～20 seconds 75～80 ℃ preheat, 5～10 seconds temperature in 245～250 ℃ dry and 5～10 seconds 338～343 ℃ of hyperthermia drying programs, form smooth face; Repeatedly apply, form the approximately optical substrate layer of 30～70 microns of a layer thickness;
(4) processing ice-phobic coating;
Apply the dispersion liquid of ice-phobic coating on the optical substrate layer, through 15～20 seconds 75～80 ℃ preheat, 5～10 seconds temperature in 245～250 ℃ dry and 5～10 seconds 338～343 ℃ of hyperthermia drying programs, form smooth face; Repeatedly apply, form the approximately ice-phobic coating of 10～25 microns of thickness;
(5) processing weld layer; Adopt the hot melt coating processes, apply in turn hot melt polyurethane reaction colloid and thermoplastic polyurethane at the back side of glass fabric, the glue-line that to form respectively thickness be 20～50 microns and thickness is the weld layer of 40～60 microns approximately, and final formation is the anti-icing coatings fabric of ice-phobic coating, optical substrate layer, polytetrafluorethylecoatings coatings, fibrage, glue-line and weld layer in turn.
8. the preparation method of a kind of anti-icing coating fabric for membrane structure building according to claim 7, it is characterized in that: in described step (1), the preparation method of the dispersion liquid of optical substrate layer is: the polytetrafluoroethyldispersion dispersion that the preparation solid content is 50～60%, then first adding wherein the diameter that mass fraction is 2.5～8% is 2～8 microns hollow glass micropearls, and adding 2.5～5.5% grain sizes after stirring is 30～60nmSiO again
2, then obtain the dispersion liquid of optical substrate layer after stirring.
9. the preparation method of a kind of anti-icing coating fabric for membrane structure building according to claim 7, it is characterized in that: in described step (1), the preparation method of the dispersion liquid of ice-phobic coating is: the polytetrafluoroethyldispersion dispersion that the preparation solid content is 50～60%, adding successively 3.5～7% grain sizes is 60～80nmTiO
2with mass fraction be the ZnS that 1.8～2.7% grain sizes are 30～50nm, adding procedure stirs simultaneously, obtains the dispersion liquid of ice-phobic coating after stirring.
10. the preparation method of a kind of anti-icing coating fabric for membrane structure building according to claim 7 is characterized in that: in described step (2), (3) and (4) 15～20 seconds 75～80 ℃ preheat, 5～10 seconds temperature in 245～250 ℃ are dried and 5～10 seconds 338～343 ℃ of hyperthermia drying programs be specially 18 seconds 78 ℃ preheat, 8 seconds temperature in 248 ℃ dry and 8 seconds 342 ℃ of hyperthermia drying programs.
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| GB1354875A (en) * | 1970-05-15 | 1974-06-05 | Secr Defence | Composite structures for use in the control of icing |
| US6258758B1 (en) * | 1996-04-26 | 2001-07-10 | Platinum Research Organization Llc | Catalyzed surface composition altering and surface coating formulations and methods |
| US6579620B2 (en) * | 1998-07-31 | 2003-06-17 | Ntt Advanced Technology Corp. | Water-repellent coating and coating film |
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