CN110154454A - A kind of production technology of Waterproof Breathable elastic force non-woven fabrics - Google Patents
A kind of production technology of Waterproof Breathable elastic force non-woven fabrics Download PDFInfo
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- CN110154454A CN110154454A CN201910440019.0A CN201910440019A CN110154454A CN 110154454 A CN110154454 A CN 110154454A CN 201910440019 A CN201910440019 A CN 201910440019A CN 110154454 A CN110154454 A CN 110154454A
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- elastic force
- woven fabrics
- force non
- waterproof breathable
- film
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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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
-
- 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
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
-
- 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
- B32B5/02—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 structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
-
- 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
- B32B2250/02—2 layers
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/73—Hydrophobic
-
- 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
- B32B2535/00—Medical equipment, e.g. bandage, prostheses, catheter
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of production technology of Waterproof Breathable elastic force non-woven fabrics, include the following steps that the elongation of selected elastic force non-woven fabrics is 300-400%；By the PU glue of preparation film-making machine be film；The PU glue includes polyurethane elastomer, curing agent, promotor, the moisture-inhibiting factor and DMF；Waterproof Breathable PU film elastic force non-woven fabrics is bonded.A kind of production technology of Waterproof Breathable elastic force non-woven fabrics according to the present invention, waterproof humidity-permeant film is prepared using suitable technique, and it is bonded online with elastic force non-woven fabrics, so that the elastic force non-woven fabrics as plaster base fabric is in the case where having preferably elasticity, also there is good Waterproof Breathable effect, it is smaller to the injury of skin when in use.And the present invention is also bonded using online, so that production efficiency is greatly improved.And do not need to pass through glue bond, it will be able to obtain preferable bond effect, save material, it is thus also avoided that the pollution using chemicals caused by glue to environment.
Description
Technical field
The present invention relates to nonwoven fabric production technical field, especially a kind of production work of Waterproof Breathable elastic force non-woven fabrics
Skill.
Background technique
Conventional plaster, the framed back material of sheet is generally used in particular for abarticular plaster base fabric, or
It is fixed with bandage, cord.Since joint part is in frequent movable state, this common drug paste will not be with joint
Movement and move, it is easy to fall off, do not have therapeutic effect.And base fabric used in existing plaster is in gas permeability side
Face is very poor, so that patch on the skin, can damage skin plaster for a long time.And existing plaster is in terms of waterproof
Effect is also poor.
Summary of the invention
The object of the present invention is to provide a kind of production technology of Waterproof Breathable elastic force non-woven fabrics so that prepared elastic force without
Elastic force of woven fabric when as plaster base fabric can reach requirement, and have the effect of Waterproof Breathable.
In order to solve the above technical problems, the object of the present invention is achieved like this:
A kind of production technology of Waterproof Breathable elastic force non-woven fabrics according to the present invention, includes the following steps:
(1), elastic force non-woven fabrics selects: the elongation of selected elastic force non-woven fabrics is 300-400%；
(2), the preparation of Waterproof Breathable PU film: by the PU glue of preparation film-making machine be film；The PU glue includes poly- ammonia
Ester elastomer, curing agent, promotor, the moisture-inhibiting factor and DMF；The preparation of PU glue is by polyurethane elastomer, curing agent, promotion
Agent, the moisture-inhibiting factor are dissolved in DMF, and are 1200-1500dpa by the viscosity that the addition of DMF adjusts PU glue；Prepared is anti-
The surface density of water moisture permeable membrane is 11-15g/m2, and vapor transfer rate is not less than 3kg/m2/24h；
(3) it is bonded: pasting Waterproof Breathable PU film and the selected elastic force non-woven fabrics of step (1) in the output end of film-making machine
It closes.
As a further illustration of the above scheme, the surface density of selected elastic force non-woven fabrics is 80- in step (1)
120g/m2。
As a further illustration of the above scheme, the moisture-inhibiting factor is polyethylene glycol in step (2).
As a further illustration of the above scheme, in PU glue, the mass fraction of polyurethane elastomer is in step (2)
100, the mass fraction of curing agent is 10, and the mass fraction of promotor is 1.
As a further illustration of the above scheme, in step (2), the treatment temperature of film is 155-170 DEG C DEG C, when processing
Between 1min.
As a further illustration of the above scheme, Waterproof Breathable PU film and elastic force non-woven fabrics are pasted by roll in step (3)
It closes.
The beneficial effects of the present invention are: a kind of production technology of Waterproof Breathable elastic force non-woven fabrics according to the present invention, is adopted
Prepare waterproof humidity-permeant film with suitable technique, and be bonded online with elastic force non-woven fabrics so that as plaster base fabric elastic force without
Woven fabric also has good Waterproof Breathable effect in the case where having preferably elasticity, smaller to the injury of skin when in use.
And the present invention is also bonded using online, so that production efficiency is greatly improved.And it does not need by glue bond, just
Preferable bond effect can be obtained, material is saved, it is thus also avoided that the dirt using chemicals caused by glue to environment
Dye.
Specific embodiment
The present invention is further described combined with specific embodiments below.
Embodiment one
A kind of production technology of Waterproof Breathable elastic force non-woven fabrics, includes the following steps: elastic force non-woven fabrics involved in the present embodiment
Selection, Waterproof Breathable PU film preparation, fitting.
In the selection of step (1) elastic force non-woven fabrics, the elongation of selected elastic force non-woven fabrics is 300-400%, and face is close
Degree is 80-120g/m2.In process of production, elastic force is purchased without rate cloth from Coudé treasured.And elastic force non-woven fabrics is in vertical and horizontal
Aspect has the effect of spandex fabric.The elongation of selected elastic force non-woven fabrics longitudinal direction is 300% in the present embodiment, lateral
Elongation is 350%, surface density 90g/m2.
In the preparation of step (2) Waterproof Breathable PU film, by the PU glue of preparation film-making machine be film.Used system
Film machine is produced by open country metal Co., Ltd..In this step, used PU glue includes polyurethane elastomer, solidification
Agent, promotor, the moisture-inhibiting factor and DMF.
The preparation of glue is that polyurethane elastomer, curing agent, promotor, the moisture-inhibiting factor are placed in DMF, stirs and makes it
It is dissolved in DMF, and is 1200-1500dpa by the viscosity that the addition of DMF adjusts PU glue.The used moisture-inhibiting factor is poly-
Ethylene glycol.
In the PU glue involved in the present embodiment, the mass fraction of polyurethane elastomer is 100, the mass parts of curing agent
Number is 10, and the mass fraction of promotor is 1, and the mass fraction of polyethylene glycol is 3.Claim the raw material for gathering above-mentioned mass fraction, is placed in
It in DMF, stirs and makes to be dissolved in DMF, and adjust the amount of DMF be added, so that the viscosity of PU glue is 1500dpa.DMF is N,
Dinethylformamide, it is miscible with water, most organic solvents are miscible in, colourless liquid has faint off-odor, and property is steady
Fixed, fusing point is -61 DEG C, and boiling point is 152.8 DEG C.It is mainly used for industrial solvent.The treatment temperature of film-making machine is 155-170 DEG C, place
Manage time 1min.Since the temperature of film-making machine is higher than the boiling point of DMF, DMF may make to evaporate from PU glue in film-making machine,
After the processing time of 1min, the only a small amount of residue through detection DMF, about 1% or so, these DMF are in subsequent life
It is also also distributed when producing process, so that DMF is not contained in prepared Waterproof Breathable PU film, to guarantee its security performance.It is being film-made
Due to the evaporation of DMF in machine, need that workshop will not be dissipated to for needing to be collected DMF when the processing of PU glue in DMF
The interior body to worker damages.In subsequent production since its concentration is smaller, worker's body will not be damaged.
Surface density through Waterproof Breathable PU film prepared by film-making machine is 11-15g/m2, and vapor transfer rate is not less than 3kg/m2/
24h.It is 11g/m2 in the present embodiment, its vapor transfer rate is 3.5kg/m2/24h after tested.Due to the polyurethane elastomer used, make
It obtains Waterproof Breathable PU film and is vertically and horizontally all having elasticity, its vertical and horizontal elongation is that can achieve 200-300% after tested.
In step (3) fitting, film-making machine output end by Waterproof Breathable PU film and step (1) selected elastic force without
Woven fabric is bonded.Waterproof Breathable PU film is bonded with elastic force non-woven fabrics by roll.Using milling train to Waterproof Breathable PU film and bullet
Power non-woven fabrics is bonded.When being bonded, elastic force non-woven fabrics uses the side of positive feeding in longitudinal elongation 150%
Formula, so that the tension of elastic force non-woven fabrics is controllable.
When being exported due to Waterproof Breathable PU film from the output end of film-making machine, temperature also with higher passes through roll at this time
Waterproof Breathable PU film may make to be bonded with elastic force non-woven fabrics.When Waterproof Breathable PU film is exported from film-making machine output end after tested
Its temperature also can reach 95-100 DEG C of such mode may make Waterproof Breathable PU film and elastic force non-woven fabrics to be bonded fastness higher.And
And bonded without using glue, the use of material can be reduced, cost is saved.Due to that can make in use without using glue,
User can be impacted because of the reason of glue.
Since used Waterproof Breathable PU film also has elasticity, so that also having after it is non-woven fabric compounded with elastic force higher
Elongation.
Embodiment two
A kind of production technology of Waterproof Breathable elastic force non-woven fabrics, the difference with embodiment one involved in the present embodiment are:
The elongation of selected elastic force non-woven fabrics longitudinal direction is 350%, and lateral elongation is 400%, surface density 100g/m2.
In the PU glue involved in the present embodiment, the mass fraction of polyurethane elastomer is 100, the mass parts of curing agent
Number is 15, and the mass fraction of promotor is 2, and the mass fraction of polyethylene glycol is 5.Claim the raw material for gathering above-mentioned mass fraction, is placed in
It in DMF, stirs and makes to be dissolved in DMF, and adjust the amount of DMF be added, so that the viscosity of PU glue is 1400dpa.
Surface density through Waterproof Breathable PU film prepared by film-making machine is 11-15g/m2, and vapor transfer rate is not less than 3kg/m2/
24h.It is 13g/m2 in the present embodiment, its vapor transfer rate is 3.9kg/m2/24h after tested.
Embodiment three
A kind of production technology of Waterproof Breathable elastic force non-woven fabrics, the difference with embodiment one involved in the present embodiment are:
The elongation of selected elastic force non-woven fabrics longitudinal direction is 350%, and lateral elongation is 400%, surface density 120g/m2.
In the PU glue involved in the present embodiment, the mass fraction of polyurethane elastomer is 100, the mass parts of curing agent
Number is 9, and the mass fraction of promotor is 5, and the mass fraction of polyethylene glycol is 6.Claim the raw material for gathering above-mentioned mass fraction, is placed in
It in DMF, stirs and makes to be dissolved in DMF, and adjust the amount of DMF be added, so that the viscosity of PU glue is 1200dpa.
Surface density through Waterproof Breathable PU film prepared by film-making machine is 11-15g/m2, and vapor transfer rate is not less than 3kg/m2/
24h.It is 15g/m2 in the present embodiment, its vapor transfer rate is 4.5kg/m2/24h after tested.
Water resistance test is carried out to Waterproof Breathable elastic force non-woven fabrics prepared by embodiment one to embodiment three, it is anti-by three kinds
Water moisture-inhibiting elastic force non-woven fabrics is cut into an equal amount of fritter, is placed in water 2h, Waterproof Breathable PU film and elastic force nonwoven after taking-up
Cloth does not separate, and two bonding intensities all has dropped 10-15%, and remaining bonding intensity is also able to satisfy plaster for the two
The requirement of bonding intensity.
Penetrability test, after tested, three kinds are carried out to Waterproof Breathable non-woven fabrics prepared by embodiment one to embodiment three
The vapor transfer rate of non-woven fabrics is 3.1kg/m2/24h, 3.4kg/m2/24h, 4.1kg/m2/24h.Due to being carried out with elastic force non-woven fabrics
Compound, vapor transfer rate is respectively less than the vapor transfer rate of respectively used Waterproof Breathable PU film.It is significantly better than conventional plaster institute
The vapor transfer rate of base fabric, base fabric used in conventional plaster are 100% terylene spunlace non-woven cloth of water repellent processing, surface density
It is 100 grams every square metre.Using identical test method, the result tested is 1.1kg/m2/24h.It can be seen that embodiment one to
The penetrability of Waterproof Breathable elastic force non-woven fabrics prepared by embodiment three is very outstanding.
The test of elongation is carried out to Waterproof Breathable elastic force non-woven fabrics prepared by embodiment one to embodiment three, it is respective
Elongation is 285%, 322%, 305%, it is seen that three kinds of elastic force non-woven fabrics all have good elongation.100% conventional terylene water
The elongation of prick nonwoven cloth is 65% or so, the elongation of far smaller than above-mentioned three kinds of elastic force non-woven fabrics.And exist in elongation
250% or more duration will appear the situation that Waterproof Breathable PU film is separated with elastic force non-woven fabrics, since the base fabric as plaster uses
When, joint is acted on, scope of activities can't make the elongation of base fabric be more than 100%, it is seen that it can satisfy plaster
Requirement for base fabric.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (6)
1. a kind of production technology of Waterproof Breathable elastic force non-woven fabrics, which comprises the steps of:
(1), elastic force non-woven fabrics selects: the elongation of selected elastic force non-woven fabrics is 300-400%；
(2), the preparation of Waterproof Breathable PU film: by the PU glue of preparation film-making machine be film；The PU glue includes poly- ammonia
Ester elastomer, curing agent, promotor, the moisture-inhibiting factor and DMF；The preparation of PU glue is by polyurethane elastomer, curing agent, promotion
Agent, the moisture-inhibiting factor are dissolved in DMF, and are 1200-1500dpa by the viscosity that the addition of DMF adjusts PU glue；Prepared is anti-
The surface density of water moisture permeable membrane is 11-15g/m2, and vapor transfer rate is not less than 3kg/m2/24h；
(3) it is bonded: pasting Waterproof Breathable PU film and the selected elastic force non-woven fabrics of step (1) in the output end of film-making machine
It closes.
2. the production technology of Waterproof Breathable elastic force non-woven fabrics as described in claim 1, which is characterized in that selected in step (1)
The surface density for the elastic force non-woven fabrics selected is 80-120g/m2.
3. the production technology of Waterproof Breathable elastic force non-woven fabrics as described in claim 1, which is characterized in that described in step (2)
The moisture-inhibiting factor be polyethylene glycol.
4. the production technology of Waterproof Breathable elastic force non-woven fabrics as described in claim 1, which is characterized in that in step (2), PU glue
In water, the mass fraction of polyurethane elastomer is 100, and the mass fraction of curing agent is 10, and the mass fraction of promotor is 1.
5. the production technology of Waterproof Breathable elastic force non-woven fabrics as described in claim 1, which is characterized in that in step (2), film
Treatment temperature be 155-170 DEG C, handle time 1min.
6. the production technology of Waterproof Breathable elastic force non-woven fabrics as described in claim 1, which is characterized in that in step (3), waterproof
Moisture-inhibiting PU film is bonded with elastic force non-woven fabrics by roll.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910440019.0A CN110154454A (en) | 2019-05-24 | 2019-05-24 | A kind of production technology of Waterproof Breathable elastic force non-woven fabrics |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910440019.0A CN110154454A (en) | 2019-05-24 | 2019-05-24 | A kind of production technology of Waterproof Breathable elastic force non-woven fabrics |
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Application publication date: 20190823 |