CN105148610A - Bubble-point type air filtering gauze for doors and windows - Google Patents
Bubble-point type air filtering gauze for doors and windows Download PDFInfo
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Abstract
The invention discloses a bubble-point type air filtering gauze for doors and windows. The bubble-point type air filtering gauze is formed by compounding of three layers, i.e., a planar framework material layer, a high-efficiency low-resistance air filtering material layer and a bubble-point framework material layer and has a sandwich structure, wherein the upper layer is the planar framework material layer, the middle layer is the high-efficiency low-resistance air filtering material layer and the lower layer is the bubble-point framework material layer. The bubble-point type air filtering gauze has high strength, high stiffness, small air resistance and high air filtering efficiency, is capable of highly efficiently intercepting fine particles like PM2.5 without influencing ventilation, has a plurality of functions like energy conservation, noise prevention, heat insulation, purification and mosquito prevention, can replace traditional screen windows and doors, etc., and introduces outdoor contaminated air into a room after filtering to maintain indoor ventilation.
Description
Technical field
The present invention relates to door and window yarn production technical field, particularly a kind of bubble point formula door and window air filtration yarn.
Background technology
Along with our Development of China's Urbanization, industry and expanding economy fast, atmosphere pollution is also on the rise fine particles such as (particularly pollute) PM2.5, especially since entering 2013, the haze weather invasion and attack most area of east China caused is polluted primarily of PM2.5, deeply hurt in the important city such as Beijing, Shanghai, people's health is had a strong impact on.Outdoor serious haze weather makes ordinary people cannot window ventilation, and indoor stale air can make the person uncomfortable, can cause having a strong impact on for a long time to the health of people.
Existing screen window, screen door, yarn divides by material cotton gauze, woven dacron etc., usually has fine and closely woven mesh, can stop entering of the insect such as mosquito, fly.Conventional yarn does not affect air circulation, but because mesh is larger, outside the fine particles such as PM2.5 cannot be isolated in by it, in today that environment goes from bad to worse, haze weather still can only rely on and close the doors and windows to protect, ventilation of cannot windowing, if will do yarn by the fine particles such as PM2.5 being isolated in outer similar mask material, air drag is excessive, cannot reach ventilation effect.
Summary of the invention
The object of the present invention is to provide a kind of bubble point formula door and window air filtration yarn, for nonwoven cloth material, for the making of screen window, screen door, there are high strength, high stiffness, air drag is little, air filter efficiency is high, efficiently can tackle, do not affect air circulation again to fine particles such as PM2.5, there is the several functions such as energy-conservation, noise-proofing, heat insulation, purification, mosquito proof, alternative traditional screen window, screen door, indoor by introducing after the air filtration of outdoor pollution, holding chamber inner air flow.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of bubble point formula door and window air filtration yarn, described air filtration yarn is composited by Planar Bone frame material layer, efficient low-resistance air filting material layer and three layers, bubble point framework material layer, there is sandwich structure, upper strata is Planar Bone frame material layer, centre is efficient low-resistance air filting material layer, and lower floor is bubble point framework material layer.
The present invention reforms the window screening of traditional monolayer net checkerwork cell, door yarn, develop novel composite air first and filter yarn, in today that environment goes from bad to worse, airfiltering concept is brought into traditional window screening, door yarn product, impart the function of traditional window screening, filter small particles pollutant that door yarn is new.Two-layer is up and down Planar Bone frame material layer, the bubble point framework material layer of inventor's specific development, carry out coarse filtration, the efficient low-resistance air filting material layer essence in intermediate layer is coordinated to filter, such combination, air drag is little, air filter efficiency is high, efficiently can tackle, do not affect air circulation again to fine particles such as PM2.5, dust, pollen.Have the several functions such as energy-conservation, noise-proofing, heat insulation, purification, mosquito proof, alternative traditional screen window, screen door, will introduce indoor after the air filtration of outdoor pollution, holding chamber inner air flow.Structure of the present invention is simple, and production cost is low.Planar Bone frame material layer intensity is high, plays skeleton function.Bubble point framework material layer its outstanding bubble point and efficient low-resistance air filting material layer point cantact, form numerous tiny still air passage, can hold dust better, improve sound insulation, warming, energy-saving effect.
Planar Bone frame material layer and bubble point framework material layer have high strength, high stiffness, high-flexibility, the feature of high Air permenbility, be greater than 50%, can effectively stop mosquito the filter efficiency of dust, dust, airborne dust, catkin, pollen, are easy to cleaning.
As preferably, described Planar Bone frame material layer thickness is 0.2-0.4mm, efficient low-resistance air filting material layer thickness is 0.1-0.3mm, bubble point framework material layer comprises basalis, basalis have some bubble points, the thickness of described basalis is 0.2-0.4mm, and described bubble point is circular or oval, and the area of each bubble point is 1-5mm
2, height 1-3mm, bubble point density is 20-40 per square inch.
As preferably, the filter efficiency >95% of described efficient low-resistance air filting material layer, air drag <20Pa, the making material model of described efficient low-resistance air filting material layer is BMF-Merv12 or BMF-Merv14.BMF-Merv12, BMF-Merv14 are 3M companies market product.
As preferably, the material of described Planar Bone frame material layer by mass percentage, is mixed by following raw material components: 15D terylene short fiber 10-20%, 7D terylene short fiber 40-50%, 4D low fusing point polyester staple fiber 30-50%; Or the material of described Planar Bone frame material layer by main material fiber and coloured additive fibrous, described coloured additive fiber is coloured polyester staple or colored polypropylene short fiber, the consumption of coloured additive fiber is the 1-3% of main material gross weight, by mass percentage, main material fiber is mixed by following component and forms: 15D terylene short fiber 10-20%, 7D terylene short fiber 40-50%, 4D low fusing point polyester staple fiber 30-50%.The material of Planar Bone frame material layer of the present invention adopts the terylene short fiber (15D, 7D and 4D) of particular fineness combine and control the proportioning of each fineness fiber, can ensure that product has intensity, gas permeability, light transmittance well.Add the formula of coloured additive fiber, energy rich colors, forms coloured plane formula curtain for door or window air filtration yarn, and product has the outward appearance intending wallpaper, enriches product pattern.
4D low fusing point polyester staple fiber, outer fusing point is low, is adding man-hour, and outer fusing, other is non-fusible, plays the effect of binding agent, can by other fiber strong bonded together.
The conventional specification of raw material terylene short fiber of the present invention is selected from 32mm, 48mm, 51mm, 64mm, 76mm, 102mm.
As preferably, the material of described bubble point framework material layer by mass percentage, is mixed by following raw material components: 15D terylene short fiber 10-20%, 7D terylene short fiber 40-50%, 4D low fusing point polyester staple fiber 30-50%.The material of bubble point framework material layer of the present invention adopts the terylene short fiber (15D, 7D and 4D) of particular fineness combine and control the proportioning of each fineness fiber, can ensure that product has intensity, gas permeability, light transmittance well.4D low fusing point polyester staple fiber, outer fusing point is low, is adding man-hour, and outer fusing, other is non-fusible, plays the effect of binding agent, can by other fiber strong bonded together.
As preferably, 15D terylene short fiber fusing point is 256 DEG C; 7D terylene short fiber fusing point is 256 DEG C; 4D low fusing point polyester staple fiber has skin-core structure, and cortex and sandwich layer respectively account for 50%, and cortex fusing point is 110-180 DEG C, and sandwich layer fusing point is 256 DEG C.
As preferably, the fineness of coloured additive fiber is 10-20D, and length is 38-102mm.
As preferably, the preparation method of described Planar Bone frame material layer comprises the steps:
(1) environmental Kuznets Curves: workshop humid control is at 40-70%; Humidity is not within the scope of 40-70%, then product cannot be produced.
(2) raw material prepares: raw material is placed 10-15h in advance in the workshop of humidity 40-70%; Raw material places a period of time in advance, to adapt to production environment, ensures product quality.
(3) shredding mixing: by proportioning, by thick for feed components shredding to degree of opening 10-20%, be then transported in blending bunker by blower fan and fully mix, is then entered essence start and carries out smart shredding to degree of opening 20-40%;
(4) carding: the raw material after step (3) shredding enters the hopper of carding machine, carries out quantitatively feeding cotton to carding machine, obtains grammes per square metre 20-60g/m
2web, the mixed and disorderly ratio of web is 3-5:1; The ratio of mixed and disorderly ratio and longitudinal tensile strength and transverse tensile strength, control in a jumble than, the intensity, gas permeability etc. of product are good.
(5) hot rolling pre-setting: web is by the roll pre-setting of hot-rolling mill, and pre-setting temperature controls at 135-165 DEG C, and Stress control is at 12-16bar; The roller surface of pre-setting is smooth, and the temperature of pre-setting and Stress control are very crucial, web can be made to have a small amount of tension force by pre-setting, and fibre structure is unaffected simultaneously.
(6) drying and shaping: web enters drying and shaping in drying tunnel, drying tunnel temperature controls at 160-170 DEG C, and web is dried to moisture content within 3%; The temperature of drying and shaping is very crucial, and the temperature of drying and shaping can make 4D low fusing point polyester staple fiber skin fusing bonding, internal layer and other fiber unaffected, make product have higher intensity and stiffness.On the other hand, under impregnation step step exists, glue (emulsion) can be made at high temperature fully chemical reaction to occur, make to bond between itself and fiber, improve intensity and the stiffness of product.
(7) thickness correction: the thickness of web is adapted to 0.2-0.4mm, obtain product after the assay was approved, the product transverse tensile strength be up to the standards is greater than 10N/5cm, and longitudinal tensile strength is greater than 30N/5cm; Light transmittance is more than 50%, and Air permenbility is at 4000-8000L/m
2s.
The present invention develops first and adopts hot rolling technology to produce Planar Bone frame material layer, has the several functions such as energy-conservation, noise-proofing, heat insulation, purification, mosquito proof, will introduce indoor, holding chamber inner air flow after the air filtration of outdoor pollution.
As preferably, also comprise impregnation step between step (5) and step (6), impregnation step is: by web impregnation, makes web spread with dry glue gauge for 3-10g/m
2, the collagen material of impregnation is polypropylene ester emulsion, Phenolic resin emulsion, styrene-butadiene emulsion or polyvinyl acetate emulsion.Impregnation can improve intensity and the stiffness of product, reduces air drag.Polyacrylate dispersion, Phenolic resin emulsion, styrene-butadiene emulsion, polyvinyl acetate emulsion are commercially available prod.
As preferably, the walking speed of step (5) and step (6) web is 10-30m/min.
The invention has the beneficial effects as follows: intensity is high, stiffness is high, air drag is little, air filter efficiency is high, efficiently can tackle fine particles such as PM2.5, do not affect air circulation again, there is the several functions such as energy-conservation, noise-proofing, heat insulation, purification, mosquito proof, alternative traditional screen window, screen door etc., indoor by introducing after the air filtration of outdoor pollution, holding chamber inner air flow.
Accompanying drawing explanation
Fig. 1 is a kind of cross sectional representation of the present invention.
In figure: 1, Planar Bone frame material layer, 2, efficient low-resistance air filting material layer, 3, bubble point framework material layer, 31 substrates, 32 bubble points.
Detailed description of the invention
Below by specific embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
In the present invention, if not refer in particular to, the raw material adopted and equipment etc. all can be buied from market or this area is conventional.Method in following embodiment, if no special instructions, is the conventional method of this area.
The length specification of the raw material terylene short fiber of Planar Bone frame material layer, bubble point framework material layer material can be selected from 32mm, 48mm, 51mm, 64mm, 76mm, 102mm etc.
15D terylene short fiber, 7D terylene short fiber, 4D low fusing point polyester staple fiber are all purchased from Huvis (Huvis) company.
The optional gold of color, silver color, redness, blueness etc. of coloured polyester staple (commercially available, Jiangyin association reaches extraordinary chemical fibre Co., Ltd), colored polypropylene short fiber (commercially available, Taizhou City Hai Lun chemical fibre Co., Ltd).
Embodiment 1:
A kind of bubble point formula door and window air filtration yarn as shown in Figure 1, be composited by Planar Bone frame material layer, efficient low-resistance air filting material layer and three layers, bubble point framework material layer, there is sandwich structure, upper strata is Planar Bone frame material layer 1, centre is efficient low-resistance air filting material layer 2, and efficient low-resistance air filting material layer is purchased from 3M company, and model is BMF-Merv12, efficient low-resistance air filting material layer thickness is 0.3mm, and lower floor is bubble point framework material layer 3.
Planar Bone frame material layer, by mass percentage, is mixed by following raw material components: 15D terylene short fiber 10%, 7D terylene short fiber 40%, 4D low fusing point polyester staple fiber 50%.
Bubble point framework material layer, by mass percentage, is mixed by following raw material components: 15D terylene short fiber 10%, 7D terylene short fiber 40%, 4D low fusing point polyester staple fiber 50%.
Bubble point framework material layer comprises substrate 31(thickness 0.2mm), basalis has circular bubble point 32, the area of each bubble point is 1mm
2, height 1mm, bubble point density is 40 per square inch.
15D terylene short fiber (32mm) fusing point is 256 DEG C; 7D terylene short fiber (32mm) fusing point is 256 DEG C; 4D low fusing point polyester staple fiber (51mm) has skin-core structure, and cortex and sandwich layer respectively account for 50%, and cortex fusing point is 110 DEG C, and sandwich layer fusing point is 256 DEG C.
Planar Bone frame material layer is preparation method comprise the steps:
(1) environmental Kuznets Curves: workshop humid control is 70%.
(2) raw material prepares: raw material is placed 10h in advance in the workshop of humidity 70%.
(3) shredding mixing: by proportioning, by thick for feed components shredding to degree of opening 10%, be then transported in blending bunker by blower fan and fully mix, is then entered essence start and carries out smart shredding to degree of opening 20%.
(4) carding: the raw material after step (3) shredding enters the hopper of carding machine, carries out quantitatively feeding cotton to carding machine, obtains grammes per square metre 20g/m
2web, the mixed and disorderly ratio of web is 3:1.
(5) hot rolling pre-setting: web is by the roll pre-setting of hot-rolling mill, and pre-setting temperature controls at 135 DEG C, and Stress control is at 12bar.
(6) drying and shaping: web enters drying and shaping in drying tunnel, drying tunnel temperature controls at 160 DEG C, and web is dried to moisture content within 3%.
(7) thickness correction: the thickness of web is adapted to 0.2mm, obtains product after the assay was approved.
The walking speed of whole production line web is 10m/min.
Embodiment 2:
A kind of bubble point formula door and window air filtration yarn as shown in Figure 1, be composited by Planar Bone frame material layer, efficient low-resistance air filting material layer and three layers, bubble point framework material layer, there is sandwich structure, upper strata is Planar Bone frame material layer 1, centre is efficient low-resistance air filting material layer 2, and efficient low-resistance air filting material layer is purchased from 3M company, and model is BMF-Merv14, efficient low-resistance air filting material layer thickness is 0.1mm, and lower floor is bubble point framework material layer 3.
Planar Bone frame material layer, by mass percentage, is mixed by following raw material components: 15D terylene short fiber 20%, 7D terylene short fiber 50%, 4D low fusing point polyester staple fiber 30%.
Bubble point framework material layer, by mass percentage, is mixed by following raw material components: 15D terylene short fiber 20%, 7D terylene short fiber 50%, 4D low fusing point polyester staple fiber 30%.
Bubble point framework material layer comprises basalis (thickness 0.4mm), basalis has oval bubble point, and the area of each bubble point is 5mm
2, height 3mm, bubble point density is 20 per square inch.
15D terylene short fiber (64mm) fusing point is 256 DEG C; 7D terylene short fiber (64mm) fusing point is 256 DEG C; 4D low fusing point polyester staple fiber (51mm) has skin-core structure, and cortex and sandwich layer respectively account for 50%, and cortex fusing point is 180 DEG C, and sandwich layer fusing point is 256 DEG C.
Planar Bone frame material layer is preparation method comprise the steps:
(1) environmental Kuznets Curves: workshop humid control is 40%.
(2) raw material prepares: raw material is placed 15h in advance in the workshop of humidity 40%.
(3) shredding mixing: by proportioning, by thick for feed components shredding to degree of opening 20%, be then transported in blending bunker by blower fan and fully mix, is then entered essence start and carries out smart shredding to degree of opening 40%.
(4) carding: the raw material after step (3) shredding enters the hopper of carding machine, carries out quantitatively feeding cotton to carding machine, obtains grammes per square metre 60g/m
2web, the mixed and disorderly ratio of web is 5:1.
(5) hot rolling pre-setting: web is by the roll pre-setting of hot-rolling mill, and pre-setting temperature controls at 165 DEG C, and Stress control is at 16bar.
(6) drying and shaping: web enters drying and shaping in drying tunnel, drying tunnel temperature controls at 170 DEG C, and web is dried to moisture content within 3%.
(7) thickness correction: the thickness of web is adapted to 0.4mm, obtains product after the assay was approved.
The walking speed of whole production line web is 30m/min.
Embodiment 3:
A kind of bubble point formula door and window air filtration yarn as shown in Figure 1, be composited by Planar Bone frame material layer, efficient low-resistance air filting material layer and three layers, bubble point framework material layer, there is sandwich structure, upper strata is Planar Bone frame material layer 1, centre is efficient low-resistance air filting material layer 2, and efficient low-resistance air filting material layer is purchased from 3M company, and model is BMF-Merv14, efficient low-resistance air filting material layer thickness is 0.2mm, and lower floor is bubble point framework material layer 3.
Planar Bone frame material layer, by mass percentage, is mixed by following raw material components: 15D terylene short fiber 15%, 7D terylene short fiber 45%, 4D low fusing point polyester staple fiber 40%.
Bubble point framework material layer, by mass percentage, is mixed by following raw material components: 15D terylene short fiber 15%, 7D terylene short fiber 45%, 4D low fusing point polyester staple fiber 40%.
Bubble point framework material layer comprises basalis (thickness 0.3mm), basalis has circular bubble point, and the area of each bubble point is 2.5mm
2, height 1.5mm, bubble point density is 30 per square inch.
15D terylene short fiber (51mm) fusing point is 256 DEG C; 7D terylene short fiber (51mm) fusing point is 256 DEG C; 4D low fusing point polyester staple fiber (51mm) has skin-core structure, and cortex and sandwich layer respectively account for 50%, and cortex fusing point is 180 DEG C, and sandwich layer fusing point is 256 DEG C.
Planar Bone frame material layer is preparation method comprise the steps:
(1) environmental Kuznets Curves: workshop humid control is 60%.
(2) raw material prepares: raw material is placed 12h in advance in the workshop of humidity 60%.
(3) shredding mixing: by proportioning, by thick for feed components shredding to degree of opening 15%, be then transported in blending bunker by blower fan and fully mix, is then entered essence start and carries out smart shredding to degree of opening 30%.
(4) carding: the raw material after step (3) shredding enters the hopper of carding machine, carries out quantitatively feeding cotton to carding machine, obtains grammes per square metre 40g/m
2web, the mixed and disorderly ratio of web is 4:1.
(5) hot rolling pre-setting: web is by the roll pre-setting of hot-rolling mill, and pre-setting temperature controls at 150 DEG C, and Stress control is at 15bar.
(6) drying and shaping: web enters drying and shaping in drying tunnel, drying tunnel temperature controls at 165 DEG C, and web is dried to moisture content within 3%.
(7) thickness correction: the thickness of web is adapted to 0.3mm, obtains product after the assay was approved.
The walking speed of whole production line web is 20m/min.
Embodiment 4:
The present embodiment difference from Example 3 is also to comprise impregnation step between step (5) in Planar Bone frame material layer preparation method and step (6), is specially:
(5) hot rolling pre-setting: web is by the roll pre-setting of hot-rolling mill, and pre-setting temperature controls at 150 DEG C, and Stress control is at 15bar.
(6) impregnation: by web impregnation, makes web spread with dry glue gauge for 3g/m
2, the collagen material of impregnation is polyacrylate dispersion (commercially available).
(7) drying and shaping: web enters drying and shaping in drying tunnel, drying tunnel temperature controls at 165 DEG C, and web is dried to moisture content within 3%.
(8) thickness correction: the thickness of web is adapted to 0.3mm, obtains product after the assay was approved.
The other the same as in Example 3.
Embodiment 5:
The present embodiment difference from Example 3 is also to comprise impregnation step between step (5) in Planar Bone frame material layer preparation method and step (6), is specially:
(5) hot rolling pre-setting: web is by the roll pre-setting of hot-rolling mill, and pre-setting temperature controls at 150 DEG C, and Stress control is at 15bar.
(6) impregnation: by web impregnation, makes web spread with dry glue gauge for 10g/m
2, the collagen material of impregnation is styrene-butadiene emulsion (commercially available).
(7) drying and shaping: web enters drying and shaping in drying tunnel, drying tunnel temperature controls at 165 DEG C, and web is dried to moisture content within 3%.
(8) thickness correction: the thickness of web is adapted to 0.3mm, obtains product after the assay was approved.
The other the same as in Example 3.
Embodiment 6:
The present embodiment difference from Example 1 is Planar Bone frame material layer pulp furnish:
Planar Bone frame material layer raw material by main material fiber and coloured additive fibrous, described coloured additive fiber is coloured polyester staple (fineness is 10D, and length is 38mm), and the consumption of coloured additive fiber is 3% of main material gross weight; By mass percentage, main material fiber is mixed by following raw material components: 15D terylene short fiber 10%, 7D terylene short fiber 40%, 4D low fusing point polyester staple fiber 50%.
15D terylene short fiber (32mm) fusing point is 256 DEG C; 7D terylene short fiber (32mm) fusing point is 256 DEG C; 4D low fusing point polyester staple fiber (51mm) has skin-core structure, and cortex and sandwich layer respectively account for 50%, and cortex fusing point is 110 DEG C, and sandwich layer fusing point is 256 DEG C.
The other the same as in Example 1.
Embodiment 7:
The present embodiment difference from Example 2 is Planar Bone frame material layer pulp furnish:
Planar Bone frame material layer raw material by main material fiber and coloured additive fibrous, described coloured additive fiber is coloured polyester staple (fineness is 20D, and length is 102mm), and the consumption of coloured additive fiber is 1% of main material gross weight; By mass percentage, main material fiber is mixed by following raw material components: 15D terylene short fiber 20%, 7D terylene short fiber 50%, 4D low fusing point polyester staple fiber 30%.
15D terylene short fiber (64mm) fusing point is 256 DEG C; 7D terylene short fiber (64mm) fusing point is 256 DEG C; 4D low fusing point polyester staple fiber (51mm) has skin-core structure, and cortex and sandwich layer respectively account for 50%, and cortex fusing point is 180 DEG C, and sandwich layer fusing point is 256 DEG C.
The other the same as in Example 2.
Embodiment 8:
The present embodiment difference from Example 3 is Planar Bone frame material layer pulp furnish:
Planar Bone frame material layer raw material by main material fiber and coloured additive fibrous, described coloured additive fiber is colored polypropylene short fiber (fineness is 15D, and length is 64mm), and the consumption of coloured additive fiber is the 1-3% of main material gross weight; By mass percentage, main material fiber is mixed by following raw material components: 15D terylene short fiber 15%, 7D terylene short fiber 45%, 4D low fusing point polyester staple fiber 40%.
15D terylene short fiber (51mm) fusing point is 256 DEG C; 7D terylene short fiber (51mm) fusing point is 256 DEG C; 4D low fusing point polyester staple fiber (51mm) has skin-core structure, and cortex and sandwich layer respectively account for 50%, and cortex fusing point is 180 DEG C, and sandwich layer fusing point is 256 DEG C.
The other the same as in Example 3.
The preparation method of bubble point framework material layer of the present invention comprises the steps:
(1) environmental Kuznets Curves: workshop humid control is at 40-70%.
(2) raw material prepares: raw material is placed 10-15h in advance in the workshop of humidity 40-70%.
(3) shredding mixing: by proportioning, by thick for feed components shredding to degree of opening 10-20%, be then transported in blending bunker by blower fan and fully mix, is then entered essence start and carries out smart shredding to degree of opening 20-40%.
(4) carding: the raw material after step (3) shredding enters the hopper of carding machine, carries out quantitatively feeding cotton to carding machine, obtains grammes per square metre 20-60g/m
2web, the mixed and disorderly ratio of web is 3-5:1.
(5) hot rolling pre-setting: web forms bubble point by the roll pre-setting of hot-rolling mill simultaneously, and pre-setting temperature controls at 135-165 DEG C, and Stress control is at 12-16bar.
(6) drying and shaping: web enters drying and shaping in drying tunnel, drying tunnel temperature controls at 160-170 DEG C, and web is dried to moisture content within 3%.
(7) thickness correction: by the thickness correction of web, obtains product after the assay was approved.The walking speed of whole production line web is 10-30m/min.
Further, also comprise impregnation step between step (5) and step (6), impregnation step is: by web impregnation, makes web spread with dry glue gauge for 3-10g/m
2.The collagen material of impregnation is polypropylene ester emulsion, Phenolic resin emulsion, styrene-butadiene emulsion or polyvinyl acetate emulsion.
The implementation of class of the enforcement of the preparation method of bubble point framework material layer of the present invention and the preparation method of Planar Bone frame material layer seemingly, can the enforcement of preparation method of reference example 1-5 Planar Bone frame material layer.
After testing, product transverse tensile strength is greater than 20N/5cm, and longitudinal tensile strength is greater than 70N/5cm; Light transmittance is at 35-50%, and Air permenbility is at 4000-8000L/m
2s.Air drag is less than 30Pa, and filter efficiency is greater than 95%(test condition: TSI-8130 detector, the NaCl particle of average grain diameter 0.3 micron, wind speed 5.3cm/s).
Above-described embodiment is one of the present invention preferably scheme, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.
Claims (10)
1. a bubble point formula door and window air filtration yarn, it is characterized in that: described air filtration yarn is composited by Planar Bone frame material layer, efficient low-resistance air filting material layer and three layers, bubble point framework material layer, there is sandwich structure, upper strata is Planar Bone frame material layer, centre is efficient low-resistance air filting material layer, and lower floor is bubble point framework material layer.
2. bubble point formula door and window air filtration yarn according to claim 1, it is characterized in that: described Planar Bone frame material layer thickness is 0.2-0.4mm, efficient low-resistance air filting material layer thickness is 0.1-0.3mm, bubble point framework material layer comprises basalis, basalis have some bubble points, the thickness of described basalis is 0.2-0.4mm, and described bubble point is circular or oval, and the area of each bubble point is 1-5mm
2, height 1-3mm, bubble point density is 20-40 per square inch.
3. bubble point formula door and window air filtration yarn according to claim 1, it is characterized in that: the filter efficiency >95% of described efficient low-resistance air filting material layer, air drag <20Pa, the making material model of described efficient low-resistance air filting material layer is BMF-Merv12 or BMF-Merv14.
4. bubble point formula door and window air filtration yarn according to claim 1, it is characterized in that: the material of described Planar Bone frame material layer by mass percentage, be mixed by following raw material components: 15D terylene short fiber 10-20%, 7D terylene short fiber 40-50%, 4D low fusing point polyester staple fiber 30-50%; Or the material of described Planar Bone frame material layer by main material fiber and coloured additive fibrous, described coloured additive fiber is coloured polyester staple or colored polypropylene short fiber, the consumption of coloured additive fiber is the 1-3% of main material gross weight, by mass percentage, main material fiber is mixed by following component and forms: 15D terylene short fiber 10-20%, 7D terylene short fiber 40-50%, 4D low fusing point polyester staple fiber 30-50%.
5. bubble point formula door and window air filtration yarn according to claim 1, it is characterized in that: the material of described bubble point framework material layer by mass percentage, be mixed by following raw material components: 15D terylene short fiber 10-20%, 7D terylene short fiber 40-50%, 4D low fusing point polyester staple fiber 30-50%.
6. the bubble point formula door and window air filtration yarn according to claim 4 or 5, is characterized in that: 15D terylene short fiber fusing point is 256 DEG C; 7D terylene short fiber fusing point is 256 DEG C; 4D low fusing point polyester staple fiber has skin-core structure, and cortex and sandwich layer respectively account for 50%, and cortex fusing point is 110-180 DEG C, and sandwich layer fusing point is 256 DEG C.
7. bubble point formula door and window air filtration yarn according to claim 4, is characterized in that: the fineness of coloured additive fiber is 10-20D, and length is 38-102mm.
8. bubble point formula door and window air filtration yarn according to claim 4, is characterized in that: the preparation method of described Planar Bone frame material layer comprises the steps:
(1) environmental Kuznets Curves: workshop humid control is at 40-70%;
(2) raw material prepares: raw material is placed 10-15h in advance in the workshop of humidity 40-70%;
(3) shredding mixing: by proportioning, by thick for feed components shredding to degree of opening 10-20%, be then transported in blending bunker by blower fan and fully mix, is then entered essence start and carries out smart shredding to degree of opening 20-40%;
(4) carding: the raw material after step (3) shredding enters the hopper of carding machine, carries out quantitatively feeding cotton to carding machine, obtains grammes per square metre 20-60g/m
2web, the mixed and disorderly ratio of web is 3-5:1;
(5) hot rolling pre-setting: web is by the roll pre-setting of hot-rolling mill, and pre-setting temperature controls at 135-165 DEG C, and Stress control is at 12-16bar;
(6) drying and shaping: web enters drying and shaping in drying tunnel, drying tunnel temperature controls at 160-170 DEG C, and web is dried to moisture content within 3%;
(7) thickness correction: the thickness of web is adapted to 0.2-0.4mm, obtains product after the assay was approved.
9. bubble point formula door and window air filtration yarn according to claim 8, is characterized in that: also comprise impregnation step between step (5) and step (6), impregnation step is: by web impregnation, makes web spread with dry glue gauge for 3-10g/m
2, the collagen material of impregnation is polypropylene ester emulsion, Phenolic resin emulsion, styrene-butadiene emulsion or polyvinyl acetate emulsion.
10. bubble point formula door and window air filtration yarn according to claim 8, is characterized in that: the walking speed of step (5) and step (6) web is 10-30m/min.
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| CN201510356562.4A CN105148610B (en) | 2015-06-25 | 2015-06-25 | Bubble-point type air filtering gauze for doors and windows |
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| CN105148610B CN105148610B (en) | 2017-04-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888103A (en) * | 2016-05-31 | 2016-08-24 | 浙江大学宁波理工学院 | Outer wall of building and method for preventing PM2.5 through outer wall |
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| CN102698508A (en) * | 2012-06-11 | 2012-10-03 | 丹东天皓净化材料有限公司 | Air filter cloth material |
| CN203614011U (en) * | 2013-12-06 | 2014-05-28 | 山东大学 | Laminated window screen cloth capable of defending PM2.5 |
| CN203971609U (en) * | 2014-03-05 | 2014-12-03 | 江苏创云环保科技有限公司 | A kind of bag filter |
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| JPH0671122A (en) * | 1992-06-08 | 1994-03-15 | Daiwabo Co Ltd | Filter cloth and preparation of the same |
| CN102698508A (en) * | 2012-06-11 | 2012-10-03 | 丹东天皓净化材料有限公司 | Air filter cloth material |
| CN203614011U (en) * | 2013-12-06 | 2014-05-28 | 山东大学 | Laminated window screen cloth capable of defending PM2.5 |
| CN203971609U (en) * | 2014-03-05 | 2014-12-03 | 江苏创云环保科技有限公司 | A kind of bag filter |
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| CN105888103A (en) * | 2016-05-31 | 2016-08-24 | 浙江大学宁波理工学院 | Outer wall of building and method for preventing PM2.5 through outer wall |
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Denomination of invention: Air filter gauze for bubble point doors and windows Effective date of registration: 20230505 Granted publication date: 20170412 Pledgee: Industrial and Commercial Bank of China Limited Hangzhou Fuyang sub branch Pledgor: HANGZHOU GOLDEN LILY NONWOVEN CLOTH Co.,Ltd. Registration number: Y2023980039770 |