CN108001008A - A kind of production technology of HEPA - Google Patents
A kind of production technology of HEPA Download PDFInfo
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- CN108001008A CN108001008A CN201610968577.0A CN201610968577A CN108001008A CN 108001008 A CN108001008 A CN 108001008A CN 201610968577 A CN201610968577 A CN 201610968577A CN 108001008 A CN108001008 A CN 108001008A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/08—Interconnection of layers by mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
- D01D5/32—Side-by-side structure; Spinnerette packs therefor
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
- D01D5/34—Core-skin structure; Spinnerette packs therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B2037/1269—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives multi-component adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/20—All layers being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
- B32B2262/0284—Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laminated Bodies (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention provides a kind of production technology of HEPA.The technique comprises the following steps：PET is molded：PET long filaments are made in the PET using two kinds with different hot melting temperatures, and PET long filaments are made pet layer；PP is molded：PP particles spinneret is molded, and is made PP layers；Fitting：Hot melt adhesive is discharged on pet layer using the method sprayed or dusted, then PP layers is fitted to lamination layer structure is formed on pet layer；Give a discount and shape：Discounting processing and thermal finalization processing are carried out to lamination layer structure；Upper strip：Upper strip processing is carried out to the lamination layer structure by the processing that gives a discount, obtains HEPA.The preparation method of the present invention can reduce the penetrating odor of product after processing, allow user to use more comfortable.
Description
Technical field
The present invention relates to a kind of production technology of HEPA, belong to technical field of air purification.
Background technology
HEPA (high efficiency filter material) is the critical component in air purifier, is mainly bonded in one by pet layer and PP layers
Rise and formed by giving a discount.Wherein, existing pet layer is made of PET long filaments by braiding.
The preparation generally use chemical combination Method for bonding of PET long filaments, used adhesive are acrylate.Currently on the market
It is using the short fiber (can be described as staple fiber) and crylic acid ester mixture compared, PET non-woven fabrics is made using paper technology,
If acrylate addition is fewer, manufactured PET non-woven fabrics is just relatively soft, and sizing is plain, nor it is very stiffening, so one
As acrylate addition generally 40% or so, this material has no problem in itself, but has arrived fitting and discounting technique
In, under the action of high temperature, acrylate can evaporate, and gaseous molecular is easily adhered on PP layers, therefore, into cross wind
During, for this sour gaseous molecular of band with regard to being all blown out, disperse in atmosphere, produces very heavy peculiar smell.
The content of the invention
In order to solve the above technical problems, it is an object of the invention to provide a kind of production technology of HEPA, by using not
The PET long filaments mode of production of the prior art is same as to avoid using acrylate, so as to obtain a kind of HEPA of free from extraneous odour component.
To reach above-mentioned purpose, the present invention provides a kind of production technology of HEPA, it comprises the following steps：
(1) PET is molded：PET long filaments are made in the PET using two kinds with different hot melting temperatures, and PET long filaments are made PET
Layer；
(2) PP is molded：PP particles spinneret is molded, and is made PP layers；
(3) it is bonded：Hot melt adhesive is discharged on pet layer using the method sprayed or dusted, then fits to PET by PP layers
Lamination layer structure is formed on layer；
(4) give a discount and shape：Discounting processing and thermal finalization processing are carried out to lamination layer structure；
(5) upper strip：Upper strip processing is carried out to the lamination layer structure by the processing that gives a discount, obtains HEPA.
The HEPA production technologies of the present invention are high using high temperature by raw material of the PET particles of nontoxic white odorless
Pet layer (non-woven fabrics) is made in the direct spinneret of mode of pressure, it is preferable that the preparation of PET long filaments has two ways：
First way：PET long filaments are by the way that made of two nozzles arranged side by side, different nozzles sprays different hot melting temperatures
PET, the silk that the PET of different hot melting temperatures is formed is adhered to each other to form the PET long filaments.This mode is the hot spunbond of long filament
Technique, the PET that two nozzles arranged side by side spray different hot melting temperatures at the same time form long filament, and two section chiefs silk is mutually bonded together i.e.
Form required PET long filaments.Wherein, the PET with relatively low hot melting temperature is used to provide PET long filaments required performance, has
The PET for having higher thermal melting temperatur mainly plays cementation.
The second way：PET long filaments are made of one surround another two nozzles, and the spray of different nozzles is different
The PET of hot melting temperature, also, the PET long filaments include inner core and outer layer, and outer layer covers inner core, the outer layer is by with higher
The PET of hot melting temperature is made, and inner core is made of the PET with relatively low hot melting temperature.
In above-mentioned production technology, it is preferable that the hot melting temperature of the used PET with higher thermal melting temperatur is 200-
450 DEG C (being preferably 250 DEG C)；The hot melting temperature of the used PET with relatively low hot melting temperature is 150-300 DEG C
170℃)。
It can be carried out when PET long filaments are made pet layer by the way of conventional, such as take the mode of braiding.
In above-mentioned production technology, it is preferable that the Weight control of pet layer is 55-75g/m2, more preferably 65-70g/m2。
The HEPA production technologies of the present invention are high using high temperature by raw material of the PP particles of nontoxic white odorless
The direct spinneret of mode of pressure is made PP layers, it is preferable that step (2) is：By PP particles under the pressure more than 100 DEG C with 3MPa directly
Spinneret shaping is connect, and is directly prepared into PP layers.The Weight control of made PP layers is 15-35g/m2, more preferably 25g/m2。PP
The preparation of layer may be referred to existing mode and carry out.
In above-mentioned production technology, according to the difference of the states of matter of hot melt adhesive, its release can use two ways：Powdery heat
Melten gel can be by the way of high pressure be dusted, and liquid hot melt adhesive can be by the way of high pressure spray solarization.High pressure sprinkling not only may be used
For liquid hot melt glue, powder hot melt adhesive can be used for.
When by the way of being dusted using high pressure, step (3) preferably includes following operation：The hot melt adhesive of granular is heated
(can heat slightly), be sprayed onto the surface of pet layer, melts state into micro- when hot melt adhesive is sprayed onto on pet layer, then in heat
PP layers are attached on surface of the pet layer with thermosol by melten gel without before coagulating completely, by pet layer and the PP layers of shape that fits together
Into lamination layer structure；Preferably, the pressure control of sprinkling is 3-10MPa.
Fitting can carry out hot rolling, can be carried out by way of roll-in.Roller includes many forms used by roll-in, has
Flower face roller, also has straight roll, and flower face roller also has a variety of decorative patterns.
In the mode that above-mentioned high pressure is dusted, the hot melting temperature of used hot melt adhesive is 130-180 DEG C, preferably 140 DEG C.
The resin added of hot melt adhesive may be controlled to 5-7 grams/m.The speed of fitting may be controlled to 30-60 ms/min, be preferably
40 ms/min.
When by the way of high pressure sprinkling, step (3) preferably includes following operation：Hot melt adhesive is heated into fluid state,
The surface of pet layer is sprayed onto, then PP layers are fitted on surface of the pet layer with thermosol and forms lamination layer structure.It is above-mentioned
The sprinkling is carried out by high-pressure nozzle, it is preferable that resin added 2-3g/m2。
In above-mentioned production technology, according to the difference of the mode of used release hot melt adhesive, pet layer and PP layers of fitting
Also there is different modes, the speed of fitting may be controlled to 40-120 ms/min, be preferably 80 ms/min.
In above-mentioned production technology, used hot melt adhesive includes PA hot melt adhesive, PO hot melt adhesive, PU hot melt adhesive, EVA hot melts
One or several kinds of combinations in glue and PE hot melt adhesive etc..Preferably, the composition of above-mentioned PE hot melt adhesive includes：Vistanex
70-85wt%, wax 15-30wt%, the sum of antioxidant 0.5wt%, each component are 100%.May be used also in the composition of above-mentioned glue
To contain hydrogenated petroleum resin, which is used to substitute part vistanex.
In above-mentioned production technology, discounting processing can carry out in a conventional manner, in step (4), discounting processing
Heat setting temperature may be controlled to：50-75 DEG C of PP aspects；100-140 DEG C of pet layer face (being preferably 100-130 DEG C).
In processing procedure on sale, the temperature for being meltblown face may be controlled to 50-75 DEG C, be preferably 60 DEG C.Give a discount processing
Discounting speed is preferably controlled to 90-180 foldings/min.
In above-mentioned production technology, spacing is rolled over using the form control of hot melt adhesive tape, it is preferable that described in step (5)
The composition of glue includes used by upper strip：Vistanex 70-85wt%, wax 15-30wt%, antioxidant 0.5wt%, respectively
The sum of component is 100%.Hydrogenated petroleum resin can also be contained in the composition of above-mentioned glue, which is used to substitute
Part vistanex.
Present invention also offers a kind of HEPA, it is prepared by above-mentioned production technology.
Present invention also offers a kind of storage method of HEPA, wherein, the HEPA is to be kept in dark place to be kept in dark place, and
And the environment temperature of preservation is controlled at 20-25 DEG C, humid control is in 40%-60%.Ultraviolet in sunlight can allow my material
Turn yellow, aging, impaired performance, is preserved by using method provided by the invention, is controlled humidity and temperature, can be ensured quiet
The long-acting holding of electric electret.
Production technology provided by the present invention employs the PET long filament preparation methods different from the prior art, avoids and adopts
The Peculiar Smell caused by acrylate.
Embodiment
In order to which technical characteristic, purpose and the beneficial effect of the present invention is more clearly understood, now to the skill of the present invention
Art scheme carry out it is described further below, but it is not intended that to the present invention can practical range restriction.
Embodiment 1
A kind of production technology of HEPA is present embodiments provided, it comprises the following steps：
(1) PET is molded：Spray the PET of different hot melting temperatures respectively using two nozzles arranged side by side, make formed two
PET are adhered to each other to form PET long filaments, wherein, the hot melting temperature of two kinds of PET is respectively 250 DEG C and 170 DEG C；
PET long filaments are woven into pet layer, wherein, the Weight control of pet layer is 65g/m2；
(2) PP is molded：The directly spinneret shaping under the pressure more than 100 DEG C with 3MPa by PP particles, and it is directly prepared into PP
Layer, wherein, PP layers of Weight control is 25g/m2；
(3) it is bonded：Hot melt adhesive is heated into fluid state, the surface of pet layer is sprayed onto, then fits to pet layer by PP layers
Lamination layer structure is formed on surface with thermosol；
Wherein, the composition of hot melt adhesive includes：Vistanex 80wt%, wax 19.5wt%, antioxidant 0.5wt%；Apply
Glue amount is 2-3g/m2；
(4) give a discount and shape：Discounting processing is carried out to lamination layer structure, discounting speed control is 120 foldings/min；Completion is beaten
After folding processing, thermal finalization processing is carried out, heat setting temperature control is：60 DEG C of PP aspects；110 DEG C of pet layer face；
(5) upper strip：Upper strip processing is carried out to the lamination layer structure by the processing that gives a discount, obtains HEPA, wherein, adopted
The composition of hot melt adhesive includes：Vistanex 80wt%, wax 19.5wt%, antioxidant 0.5wt%.
The HEPA being prepared is placed on 20-25 DEG C of temperature, in the environment of humidity 40%-60%, is kept in dark place.
Embodiment 2
A kind of production technology of HEPA is present embodiments provided, it comprises the following steps：
(1) PET is molded：Spray the PET of different hot melting temperatures respectively using two nozzles arranged side by side, make formed two
PET are adhered to each other to form PET long filaments, wherein, the hot melting temperature of two kinds of PET is respectively 250 DEG C and 170 DEG C；
PET long filaments are woven into pet layer, wherein, the Weight control of pet layer is 70g/m2；
(2) PP is molded：The directly spinneret shaping under the pressure more than 100 DEG C with 3MPa by PP particles, and it is directly prepared into PP
Layer, wherein, PP layers of Weight control is 20g/m2；
(3) it is bonded：Hot melt adhesive is heated into fluid state, the surface of pet layer is sprayed onto, then fits to pet layer by PP layers
Lamination layer structure is formed on surface with thermosol；
Wherein, the composition of hot melt adhesive includes：Vistanex 75wt%, wax 24.5wt%, antioxidant 0.5wt%；Apply
Glue amount is 2-3g/m2；
(4) give a discount and shape：Discounting processing is carried out to lamination layer structure, discounting speed control is 120 foldings/min；Completion is beaten
After folding processing, thermal finalization processing is carried out, heat setting temperature control is：60 DEG C of PP aspects；110 DEG C of pet layer face；
(5) upper strip：Upper strip processing is carried out to the lamination layer structure by the processing that gives a discount, obtains HEPA, wherein, adopted
The composition of hot melt adhesive includes：Vistanex 80wt%, wax 19.5wt%, antioxidant 0.5wt%.
The HEPA being prepared is placed on 20-25 DEG C of temperature, in the environment of humidity 40%-60%, is kept in dark place.
Comparative example
Gaseous state volatile ingredient contrast after being heated to hot melt adhesive of the present invention and existing hot melt adhesive, tool
Body is as follows：
Existing EVA glue, its composition include：
Wherein, tackifier resins are：(1) rosin and its derivative, including various esterified rosin and hydrogenated rosin；(2) terpene
Olefine resin and modified product；(3) Petropols：C5, C9 etc.；(4) one kind in cumarone resin and its derivative.Viscosity modifier
For wax.
Gaseous state volatile ingredient (using GC/MS tested) of the EVA glue after hot melt is as shown in table 1：
Table 1
The hot melt adhesive of the present invention is PE hot melt adhesive, its composition includes：Vistanex 75wt%, wax 24.5wt%, antioxygen
Agent 0.5wt%, gaseous state volatile ingredient (using GC/MS tested) of the hot melt adhesive after hot melt is as shown in table 2：
Table 2
The hot melt adhesive that the present invention is used for upper strip is also PE hot melt adhesive, its composition includes：Vistanex 75wt%, wax
24.5wt%, antioxidant 0.5wt%, gaseous state volatile ingredient (using GC/MS tested) of the hot melt adhesive after hot melt is such as the institute of table 3
Show：
Table 3
It can be seen that by above-mentioned contrast：Gaseous state volatile ingredient of the hot melt adhesive provided by the present invention after hot melt is good
It is good, do not contain the gas with penetrating odor.
Claims (21)
1. a kind of production technology of HEPA, it comprises the following steps：
(1) PET is molded：PET long filaments are made in the PET using two kinds with different hot melting temperatures, and PET long filaments are made pet layer；
(2) PP is molded：PP particles spinneret is molded, and is made PP layers；
(3) it is bonded：Hot melt adhesive is discharged on pet layer using the method sprayed or dusted, then fits to PP layers on pet layer
Form lamination layer structure；
(4) give a discount and shape：Discounting processing and thermal finalization processing are carried out to lamination layer structure；
(5) upper strip：Upper strip processing is carried out to the lamination layer structure by the processing that gives a discount, obtains HEPA.
2. production technology according to claim 1, wherein, the PET long filaments be by made of two nozzles arranged side by side,
Different nozzles sprays the PET of different hot melting temperatures, and the silk that the PET of different hot melting temperatures is formed is adhered to each other to form the PET
Long filament；Or：
The PET long filaments are made of one surround another two nozzles, and different nozzles sprays different hot melting temperatures
PET, also, the PET long filaments include inner core and outer layer, and inner core described in the outer layer covers, the outer layer is by with higher thermal
The PET of melting temperatur is made, and the inner core is made of the PET with relatively low hot melting temperature.
3. production technology according to claim 2, wherein, the hot melting temperature of the PET with higher thermal melting temperatur is
200-450 DEG C, be preferably 250 DEG C；
The hot melting temperature of the PET with relatively low hot melting temperature is 150-300 DEG C, is preferably 170 DEG C.
4. according to claim 1-3 any one of them production technologies, wherein, the Weight control of the pet layer is 55-75g/m2,
Preferably 65-70g/m2。
5. production technology according to claim 1, wherein, the step (2) is：By PP particles more than 100 DEG C and
Direct spinneret shaping under the pressure of 3MPa, and it is directly prepared into PP layers；Preferably, Weight control PP layers described is 15-35g/m2,
More preferably 25g/m2。
6. production technology according to claim 1, wherein, the step (3) includes following operation：
The hot melt adhesive of granular is heated, is sprayed onto the surface of pet layer, then in hot melt adhesive without attached by PP layers before coagulating completely
On the surface to pet layer with thermosol, pet layer and PP layers are fit together to form lamination layer structure；Preferably, resin added
Control as 5-7g/m2。
7. production technology according to claim 6, wherein, the pressure control of sprinkling is 3-10MPa.
8. production technology according to claim 6, wherein, making hot melt adhesive hot melt is carried out by way of roll-in.
9. according to claim 6-8 any one of them production technologies, wherein, the hot melting temperature of the hot melt adhesive is 130-180
DEG C, preferably 140 DEG C.
10. production technology according to claim 6, wherein, the speed control of the fitting is 30-60 ms/min, preferably
For 40 ms/min.
11. production technology according to claim 1, wherein, the step (3) includes following operation：Hot melt adhesive is heated
Into fluid state, the surface of pet layer is sprayed onto, then PP layers are fitted on surface of the pet layer with thermosol and forms composite bed
Structure, preferable resin added are 2-3g/m2。
12. production technology according to claim 11, wherein, the speed control of the fitting is 40-120 ms/min, excellent
Elect 80 ms/min as.
13. according to claim 6-12 any one of them production technologies, wherein, the hot melt adhesive includes PA hot melt adhesive, PO heat
One or several kinds of combinations in melten gel, PU hot melt adhesive, EVA hot-melt adhesive and PE hot melt adhesive.
14. according to claim 11-13 any one of them production technologies, wherein, the composition of the PE hot melt adhesive includes：Polyene
Hydrocarbon resin 70-85wt%, wax 15-30wt%, the sum of antioxidant 0.5wt%, each component are 100%.
15. production technology according to claim 14, wherein, also contain hydrogenated petroleum resin in the composition of the glue, should
Hydrogenated petroleum resin is used to substitute part vistanex.
16. production technology according to claim 1, wherein, in step (4), the thermal finalization temperature of the thermal finalization processing
Spending control is：50-75 DEG C of PP aspects, are preferably 60 DEG C；100-140 DEG C of pet layer face, is preferably 110 DEG C.
17. production technology according to claim 1, wherein, in step (4), the discounting speed control of the processing that gives a discount
It is made as 90-180 foldings/min.
18. production technology according to claim 1, wherein, in step (5), the group of glue used by the upper strip
Into including：Vistanex 70-85wt%, wax 15-30wt%, the sum of antioxidant 0.5wt%, each component are 100%.
19. production technology according to claim 18, wherein, also contain hydrogenated petroleum resin in the composition of the glue, should
Hydrogenated petroleum resin is used to substitute part vistanex.
20. a kind of HEPA, it is prepared by claim 1-18 any one of them production technologies.
21. a kind of storage method of HEPA, wherein, the HEPA is to be kept in dark place, also, the environment temperature control preserved exists
20-25 DEG C, humid control is in 40%-60%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610968577.0A CN108001008A (en) | 2016-10-28 | 2016-10-28 | A kind of production technology of HEPA |
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| CN201610968577.0A CN108001008A (en) | 2016-10-28 | 2016-10-28 | A kind of production technology of HEPA |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110964306A (en) * | 2018-09-29 | 2020-04-07 | 宁波方太厨具有限公司 | Preparation method of waterborne polyurethane conductive gel and air filter screen |
| CN110965390A (en) * | 2018-09-29 | 2020-04-07 | 宁波方太厨具有限公司 | Coating, preparation method of coating and preparation method of HEPA filter screen |
| CN110964424A (en) * | 2018-09-29 | 2020-04-07 | 宁波方太厨具有限公司 | Coating formula for filter screen, preparation method of coating and preparation method of filter screen |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101939072A (en) * | 2007-11-09 | 2011-01-05 | 霍林斯沃思和沃斯有限公司 | Meltblown filter medium |
| JP2011177631A (en) * | 2010-02-26 | 2011-09-15 | Kureha Ltd | Filter unit |
| CN102470302A (en) * | 2009-07-08 | 2012-05-23 | Jnc株式会社 | Air filter material using multilayer electret nonwoven fabric |
| CN102859058A (en) * | 2010-04-22 | 2013-01-02 | 3M创新有限公司 | Nonwoven fibrous webs containing chemically active particulates and methods of making and using same |
| CN103180023A (en) * | 2010-10-21 | 2013-06-26 | 伊士曼化工公司 | High efficiency filter |
| CN103717796A (en) * | 2011-08-12 | 2014-04-09 | 捷恩智株式会社 | Blended filament nonwoven fabric |
| CN105307749A (en) * | 2013-06-07 | 2016-02-03 | 东洋纺株式会社 | Filtering medium for deodorizing filter |
| WO2016017484A1 (en) * | 2014-07-30 | 2016-02-04 | 日本バイリーン株式会社 | Filtration material, filter element using same, and manufacturing method of filtration material |
| CN105969248A (en) * | 2016-05-30 | 2016-09-28 | 佛山南宝高盛高新材料有限公司 | Polyolefin hot melt adhesive and preparation method and application thereof |
-
2016
- 2016-10-28 CN CN201610968577.0A patent/CN108001008A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101939072A (en) * | 2007-11-09 | 2011-01-05 | 霍林斯沃思和沃斯有限公司 | Meltblown filter medium |
| CN102470302A (en) * | 2009-07-08 | 2012-05-23 | Jnc株式会社 | Air filter material using multilayer electret nonwoven fabric |
| JP2011177631A (en) * | 2010-02-26 | 2011-09-15 | Kureha Ltd | Filter unit |
| CN102859058A (en) * | 2010-04-22 | 2013-01-02 | 3M创新有限公司 | Nonwoven fibrous webs containing chemically active particulates and methods of making and using same |
| CN103180023A (en) * | 2010-10-21 | 2013-06-26 | 伊士曼化工公司 | High efficiency filter |
| CN103717796A (en) * | 2011-08-12 | 2014-04-09 | 捷恩智株式会社 | Blended filament nonwoven fabric |
| CN105307749A (en) * | 2013-06-07 | 2016-02-03 | 东洋纺株式会社 | Filtering medium for deodorizing filter |
| WO2016017484A1 (en) * | 2014-07-30 | 2016-02-04 | 日本バイリーン株式会社 | Filtration material, filter element using same, and manufacturing method of filtration material |
| CN105969248A (en) * | 2016-05-30 | 2016-09-28 | 佛山南宝高盛高新材料有限公司 | Polyolefin hot melt adhesive and preparation method and application thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110964306A (en) * | 2018-09-29 | 2020-04-07 | 宁波方太厨具有限公司 | Preparation method of waterborne polyurethane conductive gel and air filter screen |
| CN110965390A (en) * | 2018-09-29 | 2020-04-07 | 宁波方太厨具有限公司 | Coating, preparation method of coating and preparation method of HEPA filter screen |
| CN110964424A (en) * | 2018-09-29 | 2020-04-07 | 宁波方太厨具有限公司 | Coating formula for filter screen, preparation method of coating and preparation method of filter screen |
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