CN102423943A - 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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- CN102423943A CN102423943A CN2011102406444A CN201110240644A CN102423943A CN 102423943 A CN102423943 A CN 102423943A CN 2011102406444 A CN2011102406444 A CN 2011102406444A CN 201110240644 A CN201110240644 A CN 201110240644A CN 102423943 A CN102423943 A CN 102423943A
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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 membrane structure anti-icing coatings fabric for building and preparation method thereof, be mainly used in building trade, also can be used on the aviation aircraft.
Background technology
The present age; Continuous development along with material technology; 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, and its unique mechanical characteristic can provide the building structure that comes in every shape for people, lets people obtain brand-new visual experience.Because 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, and 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, can be near the indoor gas temperature at top than higher, membrane structure forms bigger thermograde from top to bottom in inside; At night; Especially sunny evening; Coated fabric outwards sends infra-red radiation, and temperature descends, and indoor temperature cycles is more aggravated the external amount of radiation of coated fabric; Therefore can cause the temperature on coated fabric surface to be lower than the temperature of membrane structure outside atmosphere, when gas moisture runs into the lower coated fabric of temperature, can produce the supercool dewfall phenomenon of freezing.Dewfall that fine method solves membrane structure problem such as freeze is not proposed at present as yet.
Summary of the invention
To the problem that exists in the prior art, the present invention provides a kind of membrane structure anti-icing coatings fabric for building and preparation method thereof, and this material possesses good optics thermodynamics radiation characteristic, prevents the membrane structure supercool phenomenon of freezing.The thermodynamic behaviour of 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 through the thermodynamic behaviour that changes material.The absorptivity of material and infrared emittance are the most important in the coating material thermodynamic behaviour, and wherein material infrared emissivity directly influences the icing phenomenon of supercool.The infrared emittance of material is high more, and the icing phenomenon of the supercool of material is serious more.Yet the coated fabric design demand is taken all factors into consideration several factors and is carried out, and the heat that the infrared emittance that reduces material separately absorbs in the time of can causing membrane structure by day can't shed, and increases the membrane structure temperature inside greatly, influences inner level of comfort.So must take all factors into consideration a plurality of key elements of membrane structure designing requirement carries out.
The present invention proposes a kind of membrane structure anti-icing coatings fabric for 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 order; 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 1.5~4.5% diameter is that 2~8 microns hollow glass micropearls and mass fraction are that 1.5~3% grain sizes are 30~60nmSiO for the filling quality mark
2Polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 30~70 microns, and its material is that 2~4% grain sizes are 60~80nmTiO for the filling quality mark
2With mass fraction be that 1~1.5% grain size is the polytetrafluoroethylene (PTFE) of the ZnS of 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 a hot melt polyurethane reaction colloid; The thickness of weld layer is 40~60 microns, and composition is a thermoplastic polyurethane, is combined into one through coating processes between each layer.
A kind of membrane structure anti-icing coatings process for making such fabric for 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 1.5~4.5% diameter is that 2~8 microns hollow glass micropearls and mass fraction are that 1.5~3% grain sizes are 30~60nmSiO for the filling quality mark
2Polytetrafluoroethylene (PTFE), the optical substrate layer is that 2~4% grain sizes are 60~80nmTiO for the filling quality mark
2With mass fraction be that 1~1.5% grain size is the polytetrafluoroethylene (PTFE) of the ZnS of 30~50nm.
At first preparing solid content and be 50~60% polytetrafluoroethyldispersion dispersion, is that 2.5~8% diameter is 2~8 microns hollow glass micropearls to wherein adding mass fraction earlier then, and adding 2.5~5.5% grain sizes after stirring again is 30~60nmSiO
2, promptly obtain the dispersion liquid of optical substrate layer after stirring; The preparation solid content is 50~60% polytetrafluoroethyldispersion dispersion, and adding 3.5~7% grain sizes successively is 60~80nmTiO
2With mass fraction be that 1.8~2.7% grain sizes are the ZnS of 30~50nm, the interpolation process stirs simultaneously, promptly obtains the dispersion liquid of ice-phobic coating after stirring;
(2) handle glass fabric;
Be that 150~450 microns glass fabric single face impregnation solid content is in 50~60% polytetrafluoroethyldispersion dispersions at first with thickness; Through 15~20 seconds 75~80 ℃ preheat, the oven dry of 5~10 seconds temperature in 245~250 ℃ and 5~10 seconds 338~343 ℃ of hyperthermia drying programs, form 10~35 micron thick polytetrafluorethylecoatings coatings on the glass fabric surface;
(3) processing optical basalis;
Adopt roller coating technology; Apply the dispersion liquid of optical substrate layer on the polytetrafluorethylecoatings coatings that in step (2), obtains; Through 15~20 seconds 75~80 ℃ preheat, the oven dry of 5~10 seconds temperature in 245~250 ℃ and 5~10 seconds 338~343 ℃ of hyperthermia drying programs, form smooth face; Apply repeatedly, form about 30~70 microns optical substrate layer of a layer thickness;
(4) processing ice-phobic coating;
On the optical substrate layer, apply the dispersion liquid of ice-phobic coating, through 15~20 seconds 75~80 ℃ preheat, 5~10 seconds temperature oven dry and 5~10 seconds 338~343 ℃ of hyperthermia drying programs in 245~250 ℃, form smooth face; Apply repeatedly, form about 10~25 microns ice-phobic coating of thickness;
(5) processing weld layer; Adopt the hot melt coating processes; Apply hot melt polyurethane reaction colloid and thermoplastic polyurethane in order at the back side of glass fabric; Form thickness respectively and be 20~50 microns glue-line and about 40~60 microns weld layer of 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 order.
In the ice-phobic coating Fabric Design process of the present invention; Material each item thermodynamic behaviour has been carried out comprehensive Design; Typical membrane structure architectural character has been carried out analysis-by-synthesis, and 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 prevent effectively that at night the icing phenomenon of supercool from appearring in membrane structure.
The invention has the advantages that:
(1) the present invention proposes a kind of membrane structure anti-icing coatings fabric for building and preparation method thereof, has the advantage that increases membrane structure freezing ability;
(2) the present invention proposes a kind of membrane structure anti-icing coatings fabric for building and preparation method thereof, has the advantage that increases membrane structure cold resistance;
(3) the present invention proposes a kind of membrane structure anti-icing coatings fabric for building and preparation method thereof, and prescription is simple, only needs to add inorganic filler, need not long-time chemical reaction;
(4) the present invention proposes a kind of membrane structure anti-icing coatings fabric for 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 membrane structure anti-icing coatings fabric for 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 membrane structure anti-icing coatings fabric for building and preparation method thereof, and process equipment is simple, does not need additional configuration complicated processing equipment.
Description of drawings
Fig. 1: the present invention proposes the structural representation of a kind of membrane structure anti-icing coatings fabric for building;
Fig. 2: the present invention proposes a kind of membrane structure anti-icing coatings process for making such fabric for building flow chart.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.
The present invention proposes a kind of membrane structure anti-icing coatings fabric for building, and this coated fabric contains six layers of structure altogether, and is as shown in Figure 1, comprises ice-phobic coating, optical substrate layer, polytetrafluorethylecoatings coatings, fibrage, glue-line and weld layer from top to bottom in order.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 1.5~4.5% diameter is that 2~8 microns hollow glass micropearls and mass fraction are that 1.5~3% grain sizes are 30~60nmSiO for the filling quality mark
2Polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 30~70 microns, and its material is that 2~4% grain sizes are 60~80nmTiO for the filling quality mark
2With mass fraction be that 1~1.5% grain size is the polytetrafluoroethylene (PTFE) of the ZnS of 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 a hot melt polyurethane reaction colloid; The thickness of weld layer is 40~60 microns, and composition is a thermoplastic polyurethane, is combined into one through coating processes between each layer.
The present invention proposes a kind of membrane structure anti-icing coatings process for making such fabric for building, and is 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 constitute.Ice-phobic coating is that 1.5~4.5% diameter is that 2~8 microns hollow glass micropearls and mass fraction are that 1.5~3% grain sizes are 30~60nmSiO for the filling quality mark
2Polytetrafluoroethylene (PTFE), the optical substrate layer is that 2~4% grain sizes are 60~80nmTiO for the filling quality mark
2With mass fraction be that 1~1.5% grain size is the polytetrafluoroethylene (PTFE) of the ZnS of 30~50nm.At first preparing solid content and be 50~60% polytetrafluoroethyldispersion dispersion, is that 2.5~8% diameter is 2~8 microns hollow glass micropearls to wherein adding mass fraction earlier then, and adding 2.5~5.5% grain sizes after stirring again is 30~60nmSiO
2, promptly obtain the dispersion liquid of optical substrate layer after stirring; The preparation solid content is 50~60% polytetrafluoroethyldispersion dispersion, and adding 3.5~7% grain sizes successively is 60~80nmTiO
2With mass fraction be that 1.8~2.7% grain sizes are the ZnS of 30~50nm, the interpolation process stirs simultaneously, promptly obtains the dispersion liquid of ice-phobic coating after stirring.
(2) handle glass fabric.Be that 150~450 microns glass fabric (being fibrage) single face impregnation solid content is in 50~60% polytetrafluoroethyldispersion dispersions at first with thickness; Through 15~20 seconds 75~80 ℃ preheat, the oven dry of 5~10 seconds temperature in 245~250 ℃ and 5~10 seconds 338~343 ℃ of hyperthermia drying programs, form 10~35 micron thick polytetrafluorethylecoatings coatings on the glass fabric surface.
(3) processing optical basalis.Adopt roller coating technology; Apply the dispersion liquid of the optical substrate layer of about 8~12 micron thick on the thick polytetrafluorethylecoatings coatings that in step (2), obtains; Through 15~20 seconds 75~80 ℃ preheat, the oven dry of 5~10 seconds temperature in 245~250 ℃ and 5~10 seconds 338~343 ℃ of hyperthermia drying programs, form smooth face; Apply repeatedly 3~4 times, form about 30~70 microns optical substrate layer of a layer thickness.
(4) processing ice-phobic coating.On the optical substrate layer, apply the dispersion liquid of the ice-phobic coating of about 8~12 micron thick, through 15~20 seconds 75~80 ℃ preheat, 5~10 seconds temperature oven dry and 5~10 seconds 338~343 ℃ of hyperthermia drying programs in 245~250 ℃, form smooth face; Apply repeatedly 3 times, form about 10~25 microns ice-phobic coating of thickness.
(5) processing weld layer.Adopt the hot melt coating processes, apply hot melt polyurethane reaction colloid and thermoplastic polyurethane at the back side of glass fabric (being fibrage) in order, form thickness respectively and be 20~50 microns glue-line and about 40~60 microns weld layer of thickness.Can regulate visible light transmissivity through the ratio of regulating color masterbatch in the weld layer.
Embodiment 1
Membrane structure in present embodiment anti-icing coatings fabric for building contains six layers of structure altogether, comprises ice-phobic coating, optical substrate layer, polytetrafluorethylecoatings coatings, fibrage, glue-line and weld layer from top to bottom in order.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 1.5% diameter is that 2 microns hollow glass micropearls and mass fraction are that 1.5% grain size is 30nmSiO for the filling quality mark
2Polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 30 microns, and its material is that 2% grain size is 60nmTiO for the filling quality mark
2With mass fraction be that 1% grain size is the polytetrafluoroethylene (PTFE) of the ZnS of 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 a hot melt polyurethane reaction colloid; The thickness of weld layer is 40 microns, and composition is a thermoplastic polyurethane.
Above-mentioned membrane structure anti-icing coatings process for making such fabric for 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 constitute.Ice-phobic coating is that 1.5% diameter is that 2 microns hollow glass micropearls and mass fraction are that 1.5% grain size is 30nmSiO for the filling quality mark
2Polytetrafluoroethylene (PTFE), the optical substrate layer is that 2% grain size is 60nmTiO for the filling quality mark
2With mass fraction be that 1% grain size is the polytetrafluoroethylene (PTFE) of the ZnS of 30nm.At first preparing solid content and be 50% polytetrafluoroethyldispersion dispersion, is that 2.5% diameter is 2 microns hollow glass micropearls to wherein adding mass fraction earlier then, and adding 2.5% grain size after stirring again is 30nmSiO
2, promptly obtain the dispersion liquid of optical substrate layer after stirring; The preparation solid content is 50% polytetrafluoroethyldispersion dispersion, and adding 3.5% grain size successively is 60nmTiO
2With mass fraction be that 1.8% grain size is the ZnS of 30nm, the interpolation process stirs simultaneously, promptly obtains the dispersion liquid of ice-phobic coating after stirring.
(2) handle glass fabric.Be that 150 microns glass fabric (being fibrage) single face impregnation solid content is in 50% polytetrafluoroethyldispersion dispersion at first with thickness; Through 15 seconds 75 ℃ preheat, the oven dry of 5 seconds temperature in 24 ℃ and 5 seconds 338 ℃ of hyperthermia drying programs, form 10 micron thick polytetrafluorethylecoatings coatings on the glass fabric surface.
(3) processing optical basalis.Adopt roller coating technology, apply the optical substrate layer dispersion liquid of about 8 micron thick on the thick polytetrafluorethylecoatings coatings that in step (2), obtains, through 15 seconds 75 ℃ preheat, 5 seconds temperature oven dry and 5 seconds 338 ℃ of hyperthermia drying programs in 245 ℃, form smooth face; Apply repeatedly 4 times, form the about 30 microns optical substrate layer of a layer thickness.
(4) processing ice-phobic coating.On the optical substrate layer, apply the ice-phobic coating dispersion liquid of about 8 micron thick, through 15 seconds 75 ℃ preheat, 5 seconds temperature oven dry and 5 seconds 338 ℃ of hyperthermia drying programs in 245 ℃, form smooth face; Apply repeatedly 3 times, form the about 10 microns ice-phobic coating of thickness.
(5) processing weld layer.Adopt the hot melt coating processes, apply hot melt polyurethane reaction colloid and thermoplastic polyurethane at the back side of glass fabric (being fibrage) in order, form thickness respectively and be 20 microns glue-line and the about 40 microns weld layer of thickness.
Embodiment 2
Present embodiment provides a kind of membrane structure anti-icing coatings fabric for 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 order; 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 4.5% diameter is that 8 microns hollow glass micropearls and mass fraction are that 3% grain size is nmSiO for the filling quality mark
2Polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 70 microns, and its material is that 4% grain size is 80nmTiO for the filling quality mark
2With mass fraction be that 1.5% grain size is the polytetrafluoroethylene (PTFE) of the ZnS of 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 a hot melt polyurethane reaction colloid; The thickness of weld layer is 60 microns, and composition is a thermoplastic polyurethane.
Above-mentioned a kind of membrane structure anti-icing coatings process for making such fabric for building specifically comprises following step:
(1) dispersion liquid of preparation optical substrate layer and ice-phobic coating;
Ice-phobic coating is that 4.5% diameter is that 8 microns hollow glass micropearls and mass fraction are that 3% grain size is 60nmSiO for the filling quality mark
2Polytetrafluoroethylene (PTFE), the optical substrate layer is that 4% grain size is 80nmTiO for the filling quality mark
2With mass fraction be that 1.5% grain size is the polytetrafluoroethylene (PTFE) of the ZnS of 50nm; At first preparing solid content and be 60% polytetrafluoroethyldispersion dispersion, is that 8% diameter is 8 microns hollow glass micropearls to wherein adding mass fraction earlier then, and adding 5.5% grain size after stirring again is 60nmSiO
2, promptly obtain the dispersion liquid of optical substrate layer after stirring; The preparation solid content is 60% polytetrafluoroethyldispersion dispersion, and adding 7% grain size successively is 80nmTiO
2With mass fraction be that 2.7% grain size is the ZnS of 50nm, the interpolation process stirs simultaneously, promptly obtains the dispersion liquid of ice-phobic coating after stirring.
(2) handle glass fabric;
Be that 450 microns glass fabric single face impregnation solid content is in 60% polytetrafluoroethyldispersion dispersion at first with thickness; Through 20 seconds 80 ℃ preheat, the oven dry of 10 seconds temperature in 250 ℃ and 10 seconds 343 ℃ of hyperthermia drying programs, form 35 micron thick polytetrafluorethylecoatings coatings on the glass fabric surface;
(3) processing optical basalis;
Adopt roller coating technology, apply the optical substrate layer dispersion liquid of about 8~12 micron thick on the thick polytetrafluorethylecoatings coatings that in step (2), obtains, through 20 seconds 80 ℃ preheat, 10 seconds temperature oven dry and 10 seconds 343 ℃ of hyperthermia drying programs in 250 ℃, form smooth face; Apply repeatedly, form the about 70 microns optical substrate layer of a layer thickness;
(4) processing ice-phobic coating;
On the optical substrate layer, apply the ice-phobic coating dispersion liquid of about 12 micron thick, through 20 seconds 80 ℃ preheat, 10 seconds temperature oven dry and 10 seconds 343 ℃ of hyperthermia drying programs in 250 ℃, form smooth face; Apply repeatedly, form the about 25 microns ice-phobic coating of thickness;
(5) processing weld layer; Adopt the hot melt coating processes; Apply hot melt polyurethane reaction colloid and thermoplastic polyurethane in order at the back side of glass fabric; Form thickness respectively and be 50 microns glue-line and the about 60 microns weld layer of 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 order.
Embodiment 3
Present embodiment provides a kind of membrane structure anti-icing coatings fabric for 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 order; 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 2% diameter is that 4 microns hollow glass micropearls and mass fraction are that 2% grain size is 40nmSiO for the filling quality mark
2Polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 40 microns, and its material is that 2.5% grain size is 65nmTiO for the filling quality mark
2With mass fraction be that 1.2% grain size is the polytetrafluoroethylene (PTFE) of the ZnS of 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 a hot melt polyurethane reaction colloid; The thickness of weld layer is 45 microns, and composition is a thermoplastic polyurethane.
Above-mentioned a kind of membrane structure anti-icing coatings process for making such fabric for building specifically comprises following step:
(1) dispersion liquid of preparation optical substrate layer and ice-phobic coating;
Ice-phobic coating is that 2% diameter is that 4 microns hollow glass micropearls and mass fraction are that 2% grain size is 40nmSiO for the filling quality mark
2Polytetrafluoroethylene (PTFE), the optical substrate layer is that 2.5% grain size is 65nmTiO for the filling quality mark
2With mass fraction be that 1.2% grain size is the polytetrafluoroethylene (PTFE) of the ZnS of 35nm; At first preparing solid content and be 53% polytetrafluoroethyldispersion dispersion, is that 3% diameter is 4 microns hollow glass micropearls to wherein adding mass fraction earlier then, and adding 3% grain size after stirring again is 35nmSiO
2, promptly obtain the dispersion liquid of optical substrate layer after stirring; The preparation solid content is 53% polytetrafluoroethyldispersion dispersion, and adding 4% grain size successively is 65nmTiO
2With mass fraction be that 2.2% grain size is the ZnS of 35nm, the interpolation process stirs simultaneously, promptly obtains the dispersion liquid of ice-phobic coating after stirring.
(2) handle glass fabric;
Be that 200 microns glass fabric single face impregnation solid content is in 53% polytetrafluoroethyldispersion dispersion at first with thickness; Through 16 seconds 76 ℃ preheat, the oven dry of 6 seconds temperature in 246 ℃ and 6 seconds 340 ℃ of hyperthermia drying programs, form 15 micron thick polytetrafluorethylecoatings coatings on the glass fabric surface;
(3) processing optical basalis;
Adopt roller coating technology, apply the optical substrate layer dispersion liquid of about 9 micron thick on the thick polytetrafluorethylecoatings coatings that in step (2), obtains, through 16 seconds 76 ℃ preheat, 6 seconds temperature oven dry and 6 seconds 340 ℃ of hyperthermia drying programs in 246 ℃, form smooth face; Apply repeatedly, form the about 40 microns optical substrate layer of a layer thickness;
(4) processing ice-phobic coating;
On the optical substrate layer, apply the ice-phobic coating dispersion liquid of about 9 micron thick, through 16 seconds 76 ℃ preheat, 6 seconds temperature oven dry and 6 seconds 340 ℃ of hyperthermia drying programs in 246 ℃, form smooth face; Apply repeatedly, form the about 15 microns ice-phobic coating of thickness;
(5) processing weld layer; Adopt the hot melt coating processes; Apply hot melt polyurethane reaction colloid and plastic polyurethane in order at the back side of glass fabric; Form thickness respectively and be 30 microns glue-line and the about 45 microns weld layer of 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 order.
Embodiment 4
Present embodiment proposes a kind of membrane structure anti-icing coatings fabric for 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 order; 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 3% diameter is that 6 microns hollow glass micropearls and mass fraction are that 2.5% grain size is 50nmSiO for the filling quality mark
2Polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 50 microns, and its material is that 3% grain size is 70nmTiO for the filling quality mark
2With mass fraction be that 1.4% grain size is the polytetrafluoroethylene (PTFE) of the ZnS of 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 a hot melt polyurethane reaction colloid; The thickness of weld layer is 50 microns, and composition is a thermoplastic polyurethane.
Above-mentioned a kind of membrane structure anti-icing coatings process for making such fabric for building specifically comprises following step:
(1) dispersion liquid of preparation optical substrate layer and ice-phobic coating;
Ice-phobic coating is that 3% diameter is that 6 microns hollow glass micropearls and mass fraction are that 2.5% grain size is 50nmSiO for the filling quality mark
2Polytetrafluoroethylene (PTFE), the optical substrate layer is that 3% grain size is 70nmTiO for the filling quality mark
2With mass fraction be that 1.4% grain size is the polytetrafluoroethylene (PTFE) of the ZnS of 40nm; At first preparing solid content and be 55% polytetrafluoroethyldispersion dispersion, is that 5% diameter is 6 microns hollow glass micropearls to wherein adding mass fraction earlier then, and adding 4% grain size after stirring again is 50nmSiO
2, promptly obtain the dispersion liquid of optical substrate layer after stirring; The preparation solid content is 55% polytetrafluoroethyldispersion dispersion, and adding 5% grain size successively is 70nmTiO
2With mass fraction be that 2% grain size is the ZnS of 40nm, the interpolation process stirs simultaneously, promptly obtains the dispersion liquid of ice-phobic coating after stirring.
(2) handle glass fabric;
Be that 250 microns glass fabric single face impregnation solid content is in 55% polytetrafluoroethyldispersion dispersion at first with thickness; Through 18 seconds 78 ℃ preheat, the oven dry of 8 seconds temperature in 248 ℃ and 8 seconds 342 ℃ of hyperthermia drying programs, form 20 micron thick polytetrafluorethylecoatings coatings on the glass fabric surface;
(3) processing optical basalis;
Adopt roller coating technology, apply optical substrate layer dispersion liquid on the thick polytetrafluorethylecoatings coatings that in step (2), obtains, through 18 seconds 78 ℃ preheat, 8 seconds temperature oven dry and 8 seconds 342 ℃ of hyperthermia drying programs in 248 ℃, form smooth face; Apply repeatedly, form the about 50 microns optical substrate layer of a layer thickness;
(4) processing ice-phobic coating;
On the optical substrate layer, apply the ice-phobic coating dispersion liquid, through 18 seconds 78 ℃ preheat, 8 seconds temperature oven dry and 8 seconds 342 ℃ of hyperthermia drying programs in 248 ℃, form smooth face; Apply repeatedly, form the about 20 microns ice-phobic coating of thickness;
(5) processing weld layer; Adopt the hot melt coating processes; Apply hot melt polyurethane reaction colloid and thermoplastic polyurethane in order at the back side of glass fabric; Form thickness respectively and be 40 microns glue-line and the about 50 microns weld layer of 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 order.
Embodiment 5
Present embodiment proposes a kind of membrane structure anti-icing coatings fabric for 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 order; 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 4% diameter is that 7 microns hollow glass micropearls and mass fraction are that 2.8% grain size is 55nmSiO for the filling quality mark
2Polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 60 microns, and its material is that 3.5% grain size is 75nmTiO for the filling quality mark
2With mass fraction be that 1.3% grain size is the polytetrafluoroethylene (PTFE) of the ZnS of 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 a hot melt polyurethane reaction colloid; The thickness of weld layer is 55 microns, and composition is a thermoplastic polyurethane.
A kind of membrane structure anti-icing coatings process for making such fabric for 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 4% diameter is that 7 microns hollow glass micropearls and mass fraction are that 2.8% grain size is 55nmSiO for the filling quality mark
2Polytetrafluoroethylene (PTFE), the optical substrate layer is that 3.5% grain size is 75nmTiO for the filling quality mark
2With mass fraction be that 1.3% grain size is the polytetrafluoroethylene (PTFE) of the ZnS of 45nm; At first preparing solid content and be 58% polytetrafluoroethyldispersion dispersion, is that 7% diameter is 7 microns hollow glass micropearls to wherein adding mass fraction earlier then, and adding 5% grain size after stirring again is 55nmSiO
2, promptly obtain the dispersion liquid of optical substrate layer after stirring; The preparation solid content is 58% polytetrafluoroethyldispersion dispersion, and adding 6% grain size successively is 60~80nmTiO
2With mass fraction be that 2.5% grain size is the ZnS of 45nm, the interpolation process stirs simultaneously, promptly obtains the dispersion liquid of ice-phobic coating after stirring.
(2) handle glass fabric;
Be that 400 microns glass fabric single face impregnation solid content is in 58% polytetrafluoroethyldispersion dispersion at first with thickness; Through 19 seconds 79 ℃ preheat, the oven dry of 9 seconds temperature in 249 ℃ and 9 seconds 341 ℃ of hyperthermia drying programs, form 25 micron thick polytetrafluorethylecoatings coatings on the glass fabric surface;
(3) processing optical basalis;
Adopt roller coating technology, apply optical substrate layer dispersion liquid on the thick polytetrafluorethylecoatings coatings that in step (2), obtains, through 19 seconds 79 ℃ preheat, 9 seconds temperature oven dry and 9 seconds 341 ℃ of hyperthermia drying programs in 249 ℃, form smooth face; Apply repeatedly, form the about 60 microns optical substrate layer of a layer thickness;
(4) processing ice-phobic coating;
On the optical substrate layer, apply the ice-phobic coating dispersion liquid, through 19 seconds 79 ℃ preheat, 9 seconds temperature oven dry and 9 seconds 341 ℃ of hyperthermia drying programs in 249 ℃, form smooth face; Apply repeatedly, form the about 23 microns ice-phobic coating of thickness;
(5) processing weld layer; Adopt the hot melt coating processes; Apply hot melt polyurethane reaction colloid and thermoplastic polyurethane in order at the back side of glass fabric; Form the glue-line and the about 55 microns weld layer of thickness of 45 microns of thickness respectively, final formation is the anti-icing coatings fabric of ice-phobic coating, optical substrate layer, polytetrafluorethylecoatings coatings, fibrage, glue-line and weld layer in order.
Claims (10)
1. membrane structure anti-icing coatings fabric for 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 order; The thickness of described ice-phobic coating is 10~25 microns, and its material is that 1.5~4.5% diameter is that 2~8 microns hollow glass micropearls and mass fraction are that 1.5~3% grain sizes are 30~60nmSiO for the filling quality mark
2Polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 30~70 microns, and its material is that 2~4% grain sizes are 60~80nmTiO for the filling quality mark
2With mass fraction be that 1~1.5% grain size is the polytetrafluoroethylene (PTFE) of the ZnS of 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 a hot melt polyurethane reaction colloid; The thickness of weld layer is 40~60 microns, and composition is a thermoplastic polyurethane, is combined into one through coating processes between each layer.
2. a kind of membrane structure according to claim 1 anti-icing coatings fabric for building; It is characterized in that: the thickness of the ice-phobic coating of described coated fabric is 10 microns, and its material is that 1.5% diameter is that 2 microns hollow glass micropearls and mass fraction are that 1.5% grain size is 30nmSiO for the filling quality mark
2Polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 30 microns, and its material is that 2% grain size is 60nmTiO for the filling quality mark
2With mass fraction be that 1% grain size is the polytetrafluoroethylene (PTFE) of the ZnS of 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 a hot melt polyurethane reaction colloid; The thickness of weld layer is 40 microns, and composition is a thermoplastic polyurethane.
3. a kind of membrane structure according to claim 1 anti-icing coatings fabric for building; It is characterized in that: the thickness of the ice-phobic coating of described coated fabric is 25 microns, and its material is that 4.5% diameter is that 8 microns hollow glass micropearls and mass fraction are that 3% grain size is nmSiO for the filling quality mark
2Polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 70 microns, and its material is that 4% grain size is 80nmTiO for the filling quality mark
2With mass fraction be that 1.5% grain size is the polytetrafluoroethylene (PTFE) of the ZnS of 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 a hot melt polyurethane reaction colloid; The thickness of weld layer is 60 microns, and composition is a thermoplastic polyurethane.
4. a kind of membrane structure according to claim 1 anti-icing coatings fabric for building; It is characterized in that: the thickness of the ice-phobic coating of described coated fabric is 15 microns, and its material is that 2% diameter is that 4 microns hollow glass micropearls and mass fraction are that 2% grain size is 40nmSiO for the filling quality mark
2Polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 40 microns, and its material is that 2.5% grain size is 65nmTiO for the filling quality mark
2With mass fraction be that 1.2% grain size is the polytetrafluoroethylene (PTFE) of the ZnS of 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 a hot melt polyurethane reaction colloid; The thickness of weld layer is 45 microns, and composition is a thermoplastic polyurethane.
5. a kind of membrane structure according to claim 1 anti-icing coatings fabric for building; It is characterized in that: the thickness of described coated fabric ice-phobic coating is 20 microns, and its material is that 3% diameter is that 6 microns hollow glass micropearls and mass fraction are that 2.5% grain size is 50nmSiO for the filling quality mark
2Polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 50 microns, and its material is that 3% grain size is 70nmTiO for the filling quality mark
2With mass fraction be that 1.4% grain size is the polytetrafluoroethylene (PTFE) of the ZnS of 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 a hot melt polyurethane reaction colloid; The thickness of weld layer is 50 microns, and composition is a thermoplastic polyurethane.
6. a kind of membrane structure according to claim 1 anti-icing coatings fabric for building; It is characterized in that: the thickness of the ice-phobic coating of described coated fabric is 23 microns, and its material is that 4% diameter is that 7 microns hollow glass micropearls and mass fraction are that 2.8% grain size is 55nmSiO for the filling quality mark
2Polytetrafluoroethylene (PTFE); The thickness of optical substrate layer is 60 microns, and its material is that 3.5% grain size is 75nmTiO for the filling quality mark
2With mass fraction be that 1.3% grain size is the polytetrafluoroethylene (PTFE) of the ZnS of 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 a hot melt polyurethane reaction colloid; The thickness of weld layer is 55 microns, and composition is a thermoplastic polyurethane.
7. membrane structure anti-icing coatings process for making such fabric for 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 1.5~4.5% diameter is that 2~8 microns hollow glass micropearls and mass fraction are that 1.5~3% grain sizes are 30~60nmSiO for the filling quality mark
2Polytetrafluoroethylene (PTFE), the optical substrate layer is that 2~4% grain sizes are 60~80nmTiO for the filling quality mark
2With mass fraction be that 1~1.5% grain size is the polytetrafluoroethylene (PTFE) of the ZnS of 30~50nm; At first prepare solid content and be 50~60% polytetrafluoroethyldispersion dispersion, the particulate component that adds according to ice-phobic coating and optical substrate layer then disposes the dispersion liquid of optical substrate layer and the dispersion liquid of ice-phobic coating respectively;
(2) handle glass fabric;
Be that 150~450 microns glass fabric single face impregnation solid content is in 50~60% polytetrafluoroethyldispersion dispersions at first with thickness; Through 15~20 seconds 75~80 ℃ preheat, the oven dry of 5~10 seconds temperature in 245~250 ℃ and 5~10 seconds 338~343 ℃ of hyperthermia drying programs, form 10~35 micron thick polytetrafluorethylecoatings coatings on the glass fabric surface;
(3) processing optical basalis;
Adopt roller coating technology; Apply the dispersion liquid of optical substrate layer on the thick polytetrafluorethylecoatings coatings that in step (2), obtains; Through 15~20 seconds 75~80 ℃ preheat, the oven dry of 5~10 seconds temperature in 245~250 ℃ and 5~10 seconds 338~343 ℃ of hyperthermia drying programs, form smooth face; Apply repeatedly, form about 30~70 microns optical substrate layer of a layer thickness;
(4) processing ice-phobic coating;
On the optical substrate layer, apply the dispersion liquid of ice-phobic coating, through 15~20 seconds 75~80 ℃ preheat, 5~10 seconds temperature oven dry and 5~10 seconds 338~343 ℃ of hyperthermia drying programs in 245~250 ℃, form smooth face; Apply repeatedly, form about 10~25 microns ice-phobic coating of thickness;
(5) processing weld layer; Adopt the hot melt coating processes; Apply hot melt polyurethane reaction colloid and thermoplastic polyurethane in order at the back side of glass fabric; Form thickness respectively and be 20~50 microns glue-line and about 40~60 microns weld layer of 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 order.
8. a kind of membrane structure according to claim 7 anti-icing coatings process for making such fabric for building; It is characterized in that: the preparation method of the dispersion liquid of optical substrate layer is in the described step (1): the preparation solid content is 50~60% polytetrafluoroethyldispersion dispersion; Be that 2.5~8% diameter is 2~8 microns hollow glass micropearls to wherein adding earlier mass fraction then, adding 2.5~5.5% grain sizes after stirring again is 30~60nmSiO
2, obtain the dispersion liquid of optical substrate layer after stirring again.
9. a kind of membrane structure according to claim 7 anti-icing coatings process for making such fabric for building; It is characterized in that: the preparation method of the dispersion liquid of ice-phobic coating is in the described step (1): the preparation solid content is 50~60% polytetrafluoroethyldispersion dispersion, and adding 3.5~7% grain sizes successively is 60~80nmTiO
2With mass fraction be that 1.8~2.7% grain sizes are the ZnS of 30~50nm, the interpolation process stirs simultaneously, obtains the dispersion liquid of ice-phobic coating after stirring.
10. a kind of membrane structure according to claim 7 anti-icing coatings process for making such fabric for building is characterized in that: in described step (2), (3) and (4) 15~20 seconds 75~80 ℃ preheat, temperature oven dry in 245~250 ℃ in 5~10 seconds and 5~10 seconds 338~343 ℃ of hyperthermia drying programs be specially 18 seconds 78 ℃ preheat, 8 seconds temperature oven dry and 8 seconds 342 ℃ of hyperthermia drying programs in 248 ℃.
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CN112009694A (en) * | 2020-09-03 | 2020-12-01 | 北京航空航天大学 | Preparation method of electric heating anti-icing coating for three-dimensional complex curved surface |
US11162213B2 (en) | 2012-11-01 | 2021-11-02 | Chukoh Chemical Industries, Ltd. | Composite having optically transparent resin layer |
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