CN106945353B - Disposable operation single two layers of the composite material and preparation method of paving - Google Patents
Disposable operation single two layers of the composite material and preparation method of paving Download PDFInfo
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- CN106945353B CN106945353B CN201710168629.0A CN201710168629A CN106945353B CN 106945353 B CN106945353 B CN 106945353B CN 201710168629 A CN201710168629 A CN 201710168629A CN 106945353 B CN106945353 B CN 106945353B
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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
- B32B5/02—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
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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
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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
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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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
- 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
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
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Abstract
The present invention provides a kind of disposable operation single two layers of composite material and preparation method of paving, composite material includes nonwoven layer and film layer, nonwoven layer and film layer are bonded compound by adhesive layer, nonwoven layer is hydrophilic nonwoven fabrics, film layer is polyethylene film, the grammes per square metre of nonwoven layer is 2~2.5 times of the grammes per square metre of film layer, and the grammes per square metre of adhesive layer is 0.15~0.18 times of the grammes per square metre of film layer；The surface of non-woven fabrics has multiple embossed depression regions one and embossed depression region two, embossed depression region one and embossed depression region two are surrounded by multiple water lock protrusions to be formed, an embossed depression region two is all had between per two adjacent embossed depression regions one, embossed depression region one is in goose egg shape, and embossed depression region two is rectangular；The preparation method of the composite material includes step：A) the purchasing of raw materials；B) check and accepting storing；C dispensing) is got；D) cloth cover is hydrophilic；E) compound volume production；F) splitting winding；G packaging) is checked and accepted；H) it is put in storage outbound.
Description
Technical field
The invention belongs to medical composite material technical fields, are related to a kind of disposable single two layers of composite wood of operation paving
Material and preparation method thereof.
Background technology
With the continuous improvement of medical level, strick precaution and control pay attention to day by day of the hospital for infection risk in operation, one
Secondary property is singly used widely in operating room using operation with paving.The liquid oozed out in operation can be absorbed by paving list, while energy
It takes blocking effect to bacterium and liquid, to reduce the pollution in surgical procedure to patient, medical worker and environment.
Conventional operation uses paving that non-woven fabrics is applied alone to be formed as main base material and Film laminated, the water imbibition phase of non-woven fabrics
To weaker, the effect is relatively poor for water lock, and a large amount of body fluid and blood generated in some surgical procedures is still difficult to be absorbed in time
And flow to ground.
For the water imbibition of raising non-woven fabrics, need to make hydrophilic treated to non-woven fabrics, but it is hydrophilic caused by conventional hydrophilic machine
Ineffective, existing hydrophilic treated technology is all that hydrophilic agent is mixed with water, and non-woven fabrics comes into full contact with rear cloth with the mixing liquid
Face needs to dry with regard to wet after hydrophilic treated, wherein drying is also a great problem, drying insufficient cloth cover humidity can influence
Product after compound, drying, which can excessively cause cloth cover to deform at high temperature, scraps.
Product needs hydrophilic machine and compounding machine to complete jointly, and combination process is also the key factor for influencing product quality, multiple
Pressure when conjunction and temperature control is bad also seriously affects final product quality, and pressure is big can be small then by cloth cover lines compressive strain
Compound fastness is inadequate, and pressure is excessive also to cause the peel strength of product low, and hydrophilic effect is lost.
Invention content
The purpose of the present invention is there is the above problem in view of the prior art, it is proposed that a kind of disposable operation paving
Single two layers of composite material, can solve the problems, such as that water lock effect is poor, liquid absorption amount is few.
Object of the invention can be realized by the following technical scheme：
Disposable operation single two layers of the composite material of paving, including nonwoven layer and film layer, nonwoven layer and film
Layer is bonded compound by adhesive layer, and nonwoven layer is hydrophilic nonwoven fabrics, and film layer is polyethylene film, and the grammes per square metre of nonwoven layer is thin
2 ~ 2.5 times of the grammes per square metre of film layer, the grammes per square metre of adhesive layer are 0.15 ~ 0.18 times of the grammes per square metre of film layer；The surface of non-woven fabrics has
Multiple equally distributed embossed depression regions one and embossed depression region two, embossed depression region one and embossed depression region two are equal
By multiple water lock protrusions around being formed, water lock protrusion is in water-drop-shaped, is all had between every two adjacent embossed depression regions one
One embossed depression region two, and embossed depression region one and embossed depression region two have common water lock protrusion, embossing recessed
It is in goose egg shape to fall into region one, and embossed depression region two is rectangular.
In above-mentioned disposable operation in single two layers of the composite material of paving, the grammes per square metre of nonwoven layer is 40 ~ 50gsm
, the grammes per square metre of film layer is 18 ~ 25gsm, and the spread of adhesive layer is 3 ~ 4gsm.
In above-mentioned disposable operation in single two layers of the composite material of paving, nonwoven layer is SMS non-woven fabrics.
In above-mentioned disposable operation in single two layers of the composite material of paving, adhesive layer is TEP903 systems glue.
It is another object of the present invention to there is the above problem in view of the prior art, it is proposed that a kind of disposable operation
With the preparation method of single two layers of the composite material of paving, composite material firmness and hydrophilic sex chromosome mosaicism can be solved simultaneously.
Another object of the present invention can be realized by following technical proposal：
The disposable operation preparation method of single two layers of the composite material of paving, includes the following steps：
A) the purchasing of raw materials：Purchase non-woven fabrics, polyethylene film, TEP903 systems glue and hydrophilic agent；
B) check and accepting storing：By the raw material check and accepting storing of buying；
C dispensing) is got；
D) cloth cover is hydrophilic：Hydrophilic treated is carried out to non-woven fabrics, the matched proportion density of hydrophilic agent is in 3.5%, and keeps temperature
Reach 40 DEG C；It saves oven temperatures and is respectively in the 4 of the hydrophilic equipment setting of cloth cover：One 95 DEG C of baking oven（Inlet port）, 2 100 DEG C of baking oven,
3 100 DEG C of baking oven, 4 95 DEG C of baking oven（Outlet）；Equipment unwinding tension is 2N, winding tension 4N, speed 40M/min；
E）Compound volume production：Non-woven fabrics and polyethylene film are bonded into compound finished product, pressure work by composite production device
Skill parameter is spray gun air pressure 0.2MPa, and main platen pressure is 0.4MPa, and secondary platen pressure is 0.3MPa, does 0.1 pressure adjustment；
Temperature process parameter is 150 ± 5 DEG C of melting basin temperature, 160 ± 5 DEG C of trunnion temperature, 160 ± 5 DEG C of spray gun temperature, hot blast temperature 160
±5℃；It is 8N, winding tension 9N that other control parameters, which have spray gun roller gap 50mm, active unwinding tension,；
F) splitting winding；
G packaging) is checked and accepted；
H) it is put in storage outbound.
In above-mentioned disposable operation in the preparation method of single two layers of the composite material of paving, the hydrophilic equipment of cloth cover includes
Non-woven fabrics unreeling structure, immersion liquid slot, baking oven one, baking oven two, baking oven three, baking oven four and the nonwoven fabric winding machine structure arranged successively,
It is loaded with hydrophilic liquid in immersion liquid slot, conveying roller one, immersion roller one, conveying roller two, immersion roller are rotatably mounted in immersion liquid slot
Two, upper liquid roller, squeezer roll and conveying roller three；Conveying roller one, conveying roller two and conveying roller three are separately positioned on the liquid level of hydrophilic liquid
Top, immersion roller one and immersion roller two are immersed in respectively in hydrophilic liquid, and upper liquid roller is locally immersed in hydrophilic liquid；Conveying roller one
It is in the arrival end of immersion liquid slot, conveying roller three is in the outlet end of immersion liquid slot；Immersion roller one is in conveying roller one and conveying roller two
Between, immersion roller two is between conveying roller two and upper liquid roller, and squeezer roll is in the surface of upper liquid roller and is mutually pressed with upper liquid roller
It leans on, conveying roller one, conveying roller two, upper liquid roller and conveying roller three are connected with motor drive；Baking oven one, baking oven two, three and of baking oven
It is equipped with roller bearing up and down staggeredly in baking oven four, the transfer roller groups one of transmission non-woven fabrics are equipped between immersion liquid slot and baking oven one, dries
It is equipped with the transfer roller groups two of transmission non-woven fabrics between case one and baking oven two, transmission non-woven fabrics is equipped between baking oven two and baking oven three
Transfer roller groups three are equipped with the transfer roller groups four of transmission non-woven fabrics, baking oven four and nonwoven fabric winding machine between baking oven three and baking oven four
The transfer roller groups five of transmission non-woven fabrics are equipped between structure.
In above-mentioned disposable operation in the preparation method of single two layers of the composite material of paving, transfer roller groups one are room temperature
Roller group, transfer roller groups two, transfer roller groups three, transfer roller groups four and transfer roller groups five are cooling roller group, transfer roller groups two, transfer roller
It is passed through coolant liquid in group three, transfer roller groups four and transfer roller groups five.
Compared with prior art, the present invention has the advantage that：
1, the embossed pattern of nonwoven surface is different from the cloth cover of any a side point and sesame point in the market, each to be embossed
Sunk area one and embossed depression region two constitute a water lock region, and the liquid that will be absorbed locks, and improves imbibition
Amount；For this product in operation actually uses, compared to conventional products, its liquid absorption amount is big, and fastness is good, has been unlikely to body fluid and has flowed to ground
Face and contamination medical staff, keep surgical environments；
2, non-woven fabrics can come into full contact in cloth cover hydrophilic treated with hydrophilic liquid, by the way that squeezer roll and upper liquid roller is arranged,
Upper liquid not only may be implemented, but also effect can be squeezed to remove extra liquid, non-woven fabrics is avoided to adsorb excessive liquid
And increase drying difficulty；
3, by increasing the quantity of baking oven, the abundant drying of non-woven fabrics is realized, the temperature of four section baking ovens is appropriate, non-woven fabrics
It will not deform and scrap since drying temperature is too high, and may be implemented fully to dry, prevent cloth cover moist.
Description of the drawings
Fig. 1 is the structural schematic diagram of single two layers of the composite material of disposable operation paving of the present invention.
Fig. 2 is the schematic surface of the non-woven fabrics of the present invention.
Fig. 3 is the flow chart of the preparation method of single two layers of the composite material of disposable operation paving of the present invention.
Fig. 4 is the structural schematic diagram of the hydrophilic equipment of cloth cover of the present invention.
Fig. 5 is the structural schematic diagram of the immersion liquid slot of the hydrophilic equipment of cloth cover of the present invention.
In figure, 1, nonwoven layer；2, film layer；3, adhesive layer；4, embossed depression region one；5, embossed depression region two；
6, water lock protrusion；7, non-woven fabrics unreeling structure；8, immersion liquid slot；9, baking oven one；10, baking oven two；11, baking oven three；12, baking oven four；
13, nonwoven fabric winding machine structure；14, conveying roller one；15, immersion roller one；16, conveying roller two；17, immersion roller two；18, upper liquid roller；
19, squeezer roll；20, conveying roller three；21, roller bearing；22, transfer roller groups one；23, transfer roller groups two；24, transfer roller groups three；25, it passes
Send roller group four；26, transfer roller groups five；27, electric heating tube；28, temperature sensor；29, unwinding rack；30, rolling frame；31, it puts
Spool；32, Scroll.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As depicted in figs. 1 and 2, the present invention provides a kind of disposable operation single two layers of composite materials of paving, including
Nonwoven layer 1 and film layer 2, nonwoven layer 1 and film layer 2 are bonded compound by adhesive layer 3, and nonwoven layer 1 is hydrophilic nonwoven
Cloth, film layer 2 are polyethylene films, and the grammes per square metre of nonwoven layer 1 is 2 ~ 2.5 times of the grammes per square metre of film layer 2, and the grammes per square metre of adhesive layer 3 is
0.15 ~ 0.18 times of the grammes per square metre of film layer 2.
It is noted that contain meltblown layer in the composition structure of non-woven fabrics, and the surface of non-woven fabrics is with multiple equal
The embossed depression region 1 and embossed depression region 25 of even distribution, embossed depression region 1 and embossed depression region 25 by
For multiple water locks raised 6 around being formed, water lock protrusion 6 is in water-drop-shaped, is all had between every two adjacent embossed depression regions 1
One embossed depression region 25, and embossed depression region 1 and embossed depression region 25 have common water lock protrusion 6, pressure
Flower sunk area 1 is in goose egg shape, and embossed depression region 25 is rectangular.
The embossed pattern of nonwoven surface is different from the cloth cover of any a side point and sesame point in the market, is each embossed recessed
It falls into region 1 and embossed depression region 25 constitutes a water lock region, the liquid that will be absorbed locks, and improves imbibition
Amount.
The water lock protrusion 6 of nonwoven surface is produced in the knurling rolls compression moulding of 330cm by a Uneven Width width
There is the non-woven fabrics come certain water lock function, liquid absorption total amount to also improve nearly 40%.
Specifically, nonwoven layer 1 is 45gsm blue SMS non-woven fabrics, and film layer 2 is 20gsm true qualities polyethylene films, gluing
Layer 3 is TEP903 systems glue, and the spread of adhesive layer 3 is 3.5gsm.
The main physical parameter of the composite material is grammes per square metre, tensile strength, separation strength, water pressure resistance, water absorbent rate and suction
Water speed rate.The above parameter is tested, the equipment that grammes per square metre, water absorbent rate test use is the proportion day of the high Inland Steel in Taiwan
Flat, the equipment that tensile strength, separation strength use is the servo tensile testing machine of the high Inland Steel in Taiwan, and water pressure resistance test is then
The novel water-fast pressure tester of full Switzerland import, rate of water absorption test is exactly manual time-keeping.
The physical index of above-mentioned composite material is tested, table one is shown the result in：
Table one
| Project | Target | It is minimum | It is maximum | Unit | Reference standard |
| Grammes per square metre | 68 | 66 | 70 | gsm | ASTM D3776-96 |
| Water pressure resistance | 3500 | 3000 | N/A | mmH2O | ISO 811-1981 |
| Stretch MD | 85 | 75 | N/A | N/5cm | EN 29073-3 |
| Stretch CD | 40 | 35 | N/A | N/5cm | EN 29073-3 |
| Separation strength MD | 3 | 2.5 | N/A | N/IN | AATCC 136-2003 |
| Separation strength CD | 2 | 1.5 | N/A | N/IN | AATCC 136-2003 |
| Water absorbent rate | 300 | 280 | N/A | % | |
| Rate of water absorption | 15 | N/A | 20 | sec/ml |
For this product in operation actually uses, compared to conventional products, its liquid absorption amount is big, and fastness is good, has been unlikely to body fluid and has flowed
To ground and contamination medical staff, surgical environments are kept.
As shown in Figures 3 to 5, the present invention also provides a kind of systems of disposable operation single two layers of the composite material of paving
Preparation Method includes the following steps：
A) the purchasing of raw materials：Purchase non-woven fabrics, polyethylene film, TEP903 systems glue and hydrophilic agent；
B) check and accepting storing：By the raw material check and accepting storing of buying；
C dispensing) is got；
D) cloth cover is hydrophilic：Hydrophilic treated is carried out to non-woven fabrics, the matched proportion density of hydrophilic agent is in 3.5%, and keeps temperature
Reach 40 DEG C, its molecule contacts with cloth and remains on cloth after hydrophilic agent is mixed with water, and the non-woven fabrics not absorbed water is made to become to absorb water；
It saves oven temperatures and is respectively in the 4 of the hydrophilic equipment setting of cloth cover：The temperature of baking oven 1 is 95 DEG C（Inlet port）, the temperature of baking oven 2 10
Degree is 100 DEG C, and the temperature of baking oven 3 11 is 100 DEG C, and the temperature of baking oven 4 12 is 95 DEG C（Outlet）；Equipment unwinding tension is 2N,
Winding tension is 4N, speed 40M/min；
E）Compound volume production：Non-woven fabrics and polyethylene film are bonded into compound finished product, pressure work by composite production device
Skill parameter is spray gun air pressure 0.2MPa, and main platen pressure is 0.4MPa, and secondary platen pressure is 0.3MPa, does 0.1 pressure adjustment；
Temperature process parameter is 150 ± 5 DEG C of melting basin temperature, 160 ± 5 DEG C of trunnion temperature, 160 ± 5 DEG C of spray gun temperature, hot blast temperature 160
±5℃；It is 8N, winding tension 9N that other control parameters, which have spray gun roller gap 50mm, active unwinding tension,；
F) splitting winding；
G packaging) is checked and accepted；
H) it is put in storage outbound；
It is noted that the hydrophilic equipment of cloth cover includes the non-woven fabrics unreeling structure 7, immersion liquid slot 8, baking oven one arranged successively
9, baking oven 2 10, baking oven 3 11, baking oven 4 12 and nonwoven fabric winding machine structure 13, are loaded with hydrophilic liquid in immersion liquid slot 8, hydrophilic liquid by
Hydrophilic agent and water mix, and for the matched proportion density of hydrophilic agent in 3.5% requirement, the bottom of immersion liquid slot 8 is embedded with electric heating tube
27, temperature sensor 28 is fixed on the cell wall in immersion liquid slot 8, monitors the temperature of hydrophilic liquid in real time by temperature sensor 28
Degree, temperature sensor 28 are electrically connected to controller with electric heating tube 27, and controller is existing PLC controller, temperature sensing
Device 28 is by the temperature feedback detected to controller, and controller controls the working condition of electric heating tube 27, so that hydrophilic liquid temperature
Degree keeps reaching 40 DEG C, which is conducive to hydrophilic agent and is most effectively attached on non-woven fabrics.
Non-woven fabrics is spread out of by non-woven fabrics unreeling structure 7, and when by immersion liquid slot 8, non-woven fabrics comes into full contact with hydrophilic liquid, hydrophilic
Agent is attached on non-woven fabrics, while non-woven fabrics is wetted, and completes hydrophilic step, and then non-woven fabrics sequentially enters baking oven 1, baking oven
2 10, baking oven 3 11, baking oven 4 12, after the heating of four section baking ovens, non-woven fabrics is oven-dried, finally by nonwoven fabric winding machine structure
13 windings.
Specifically, non-woven fabrics unreeling structure 7 is arranged in the front end of immersion liquid slot 8, and non-woven fabrics unreeling structure 7 includes unwinding rack
29, unreeling shaft 31 and motor one, unreeling shaft 31 are installed in rotation on by bearing on unwinding rack 29, motor one and unreeling shaft 31
By belt transmission be connected, non-woven fabrics is wound on unreeling shaft 31, motor one drive unreeling shaft 31 rotate, by non-woven fabrics convey into
Enter in immersion liquid slot 8.Nonwoven fabric winding machine structure 13 is arranged in the rear end of baking oven 4 12, and nonwoven fabric winding machine structure 13 includes rolling frame
30, Scroll 32 and motor two, Scroll 32 are installed in rotation on by bearing on rolling frame 30, motor two and Scroll 32
It is connected by belt transmission, completes the non-woven fabrics after hydrophilic treated and wound on Scroll 32.
Conveying roller 1, immersion roller 1, conveying roller 2 16, immersion liquid are rotatably mounted with by bearing in immersion liquid slot 8
Roller 2 17, upper liquid roller 18, squeezer roll 19 and conveying roller 3 20；Conveying roller 1, immersion roller 1, conveying roller 2 16, immersion roller
2 17, upper liquid roller 18, squeezer roll 19 and conveying roller 3 20 are set gradually along non-woven fabrics direction of transfer.Conveying roller 1, conveying
Roller 2 16 and conveying roller 3 20 are separately positioned on the ullage of hydrophilic liquid, conveying roller 1, conveying roller 2 16 and conveying roller three
20 have the initiative rotary state, and non-woven fabrics is fed forward.Immersion roller 1 and immersion roller 2 17 are immersed in hydrophilic liquid respectively
In, upper liquid roller 18 is locally immersed in hydrophilic liquid；Conveying roller 1 is in the arrival end of immersion liquid slot 8, and conveying roller 3 20 is in
The outlet end of immersion liquid slot 8.Immersion liquid slot 8 is further opened with inlet and liquid outlet.
Immersion roller 1 is between conveying roller 1 and conveying roller 2 16, and immersion roller 2 17 is in conveying roller 2 16 and upper
Between liquid roller 18, squeezer roll 19 is in the surface of upper liquid roller 18 and is pressed against with 18 phase of upper liquid roller, conveying roller 1, conveying roller two
16, upper liquid roller 18 and conveying roller 3 20 are connected with motor by belt transmission.Conveying roller 1, immersion roller 1, conveying roller
2 16, the particular number of immersion roller 2 17, upper liquid roller 18, squeezer roll 19 and conveying roller 3 20 is not limited in one.
Non-woven fabrics is passed to by the upside of conveying roller 1, first from the upper surface of conveying roller 1 from top to down around to immersion liquid
The lower section of roller 1, then from the lower surface of immersion roller 1 from bottom to up around to the top of conveying roller 2 16, then from defeated
Send the upper surface of roller 2 16 from top to down around to the lower section of immersion roller 2 17, finally from the lower surface of immersion roller 2 17 from lower and
Shangdi penetrates between squeezer roll 19 and upper liquid roller 18.
Non-woven fabrics enters hydrophilic liquid for the first time when bypassing immersion roller 1, enters for the second time when bypassing immersion roller 2 17 hydrophilic
Liquid, non-woven fabrics are wetted, and realization comes into full contact with the hydrophilic agent in hydrophilic liquid.Squeezer roll 19 and upper liquid roller 18 have for nonwoven
The gap that cloth passes through, upper liquid roller 18 are locally placed in hydrophilic liquid, and upper liquid roller 18 carries hydrophilic liquid rotation, so that non-woven fabrics is again
It is secondary to be adhered to by hydrophilic agent, realize that fully cloth cover is hydrophilic.It in addition, can be by squeezer roll 19 and upper liquid when non-woven fabrics passes through
The squeezing action of roller 18 avoids non-woven fabrics from adsorbing excessive liquid and increase drying difficulty to remove extra liquid.
Baking oven 1, baking oven 2 10, baking oven 3 11 and baking oven 4 12 are successively set on after immersion liquid slot 8, baking oven 1, baking oven
2 10, it is equipped with the roller bearing 21 to interlock up and down in baking oven 3 11 and baking oven 4 12, when increasing transmission of the non-woven fabrics in baking oven
Between, wherein the temperature of baking oven 1 is 95 DEG C, and the temperature of baking oven 2 10 is 100 DEG C, and the temperature of baking oven 3 11 is 100 DEG C, baking oven four
12 temperature is 95 DEG C.By the quantity of increase baking oven, the abundant drying of non-woven fabrics is realized, the temperature of four section baking ovens is appropriate,
Non-woven fabrics will not be deformed and be scrapped since drying temperature is too high, and may be implemented fully to dry, and prevent cloth cover moist.Further
Ground is equipped with the transfer roller groups 1 of transmission non-woven fabrics, is equipped between baking oven 1 and baking oven 2 10 between immersion liquid slot 8 and baking oven 1
The transfer roller groups 2 23 for transmitting non-woven fabrics are equipped with the transfer roller groups 3 24 of transmission non-woven fabrics between baking oven 2 10 and baking oven 3 11,
The transfer roller groups 4 25 of transmission non-woven fabrics, baking oven 4 12 and nonwoven fabric winding machine structure 13 are equipped between baking oven 3 11 and baking oven 4 12
Between be equipped with the transfer roller groups 5 26 of transmission non-woven fabrics and prevent the deformation of non-woven fabrics by the way that multiple transmission points are arranged.
Selectively, transfer roller groups 1 are room temperature roller group, transfer roller groups 2 23, transfer roller groups 3 24, transfer roller groups four
25 and transfer roller groups 5 26 be cooling roller group, transfer roller groups 2 23, transfer roller groups 3 24, transfer roller groups 4 25 and transfer roller groups five
It has been passed through coolant liquid in 26, it has been cooled down when non-woven fabrics being made to be come out out of baking oven, has prevented temperature excessively high next in entrance
It deforms when saving baking oven.Transfer roller groups 2 23, transfer roller groups 3 24 and transfer roller groups 4 25 be in etc. height arrange.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although nonwoven layer 1 is used more herein；Film layer 2；Adhesive layer 3；Embossed depression region 1；It is embossed recessed
Fall into region 25；Water lock protrusion 6；Non-woven fabrics unreeling structure 7；Immersion liquid slot 8；Baking oven 1；Baking oven 2 10；Baking oven 3 11；Baking oven four
12；Nonwoven fabric winding machine structure 13；Conveying roller 1；Immersion roller 1；Conveying roller 2 16；Immersion roller 2 17；Upper liquid roller 18；Hydraulic fluid
Roller 19；Conveying roller 3 20；Roller bearing 21；Transfer roller groups 1；Transfer roller groups 2 23；Transfer roller groups 3 24；Transfer roller groups 4 25；It passes
Send roller group 5 26；Electric heating tube 27；Temperature sensor 28；Unwinding rack 29；Rolling frame 30；Unreeling shaft 31；The terms such as Scroll 32,
But it does not preclude the possibility of using other terms.The use of these items is only for more easily describe and explain the present invention
Essence；Any one of the additional limitations is construed as all to disagree with spirit of that invention.
Claims (3)
1. the disposable preparation method performed the operation with single two layers of the composite material of paving, disposable operation is compound with spreading single two layers
Material includes nonwoven layer and film layer, and nonwoven layer and film layer are bonded compound by adhesive layer, and nonwoven layer is hydrophilic nothing
Woven fabric, film layer are polyethylene films, and the grammes per square metre of nonwoven layer is 2 ~ 2.5 times of the grammes per square metre of film layer, and the grammes per square metre of adhesive layer is thin
0.15 ~ 0.18 times of the grammes per square metre of film layer；The surface of non-woven fabrics has multiple equally distributed embossed depression regions one and is embossed recessed
Region two, embossed depression region one and embossed depression region two are fallen by multiple water lock protrusions around being formed, water lock protrusion is in water
Shape is dripped, an embossed depression region two, and embossed depression region one are all had between every two adjacent embossed depression regions one
It is in goose egg shape to have common water lock protrusion, embossed depression region one with embossed depression region two, and embossed depression region two is in square
Shape, which is characterized in that include the following steps：
A) the purchasing of raw materials：Purchase non-woven fabrics, polyethylene film, TEP903 systems glue and hydrophilic agent；
B) check and accepting storing：By the raw material check and accepting storing of buying；
C dispensing) is got；
D) cloth cover is hydrophilic：Hydrophilic treated is carried out to non-woven fabrics, the matched proportion density of hydrophilic agent is in 3.5%, and temperature is kept to reach
40℃；It saves oven temperatures and is respectively in the 4 of the hydrophilic equipment setting of cloth cover：One 95 DEG C of baking oven, 2 100 DEG C of baking oven, 3 100 DEG C of baking oven,
4 95 DEG C of baking oven；Equipment unwinding tension is 2N, winding tension 4N, speed 40M/min；
E）Compound volume production：Non-woven fabrics and polyethylene film are bonded into compound finished product, pressure process ginseng by composite production device
Number is spray gun air pressure 0.2MPa, and main platen pressure is 0.4MPa, and secondary platen pressure is 0.3MPa, does 0.1 pressure adjustment；Temperature
Technological parameter is 150 ± 5 DEG C of melting basin temperature, 160 ± 5 DEG C of trunnion temperature, 160 ± 5 DEG C of spray gun temperature, hot blast temperature 160 ± 5
℃；It is 8N, winding tension 9N that other control parameters, which have spray gun roller gap 50mm, active unwinding tension,；
F) splitting winding；
G packaging) is checked and accepted；
H) it is put in storage outbound.
2. the preparation method of disposable operation single two layers of the composite material of paving according to claim 1, feature exist
In the hydrophilic equipment of cloth cover includes the non-woven fabrics unreeling structure arranged successively, immersion liquid slot, baking oven one, baking oven two, baking oven three, baking oven
Four and nonwoven fabric winding machine structure, hydrophilic liquid is loaded in immersion liquid slot, and conveying roller one, immersion roller are rotatably mounted in immersion liquid slot
One, conveying roller two, immersion roller two, upper liquid roller, squeezer roll and conveying roller three；Conveying roller one, conveying roller two and conveying roller three are distinguished
Ullage in hydrophilic liquid is set, and immersion roller one and immersion roller two are immersed in respectively in hydrophilic liquid, and upper liquid roller locally submerges
In hydrophilic liquid；Conveying roller one is in the arrival end of immersion liquid slot, and conveying roller three is in the outlet end of immersion liquid slot；Immersion roller one is in
Between conveying roller one and conveying roller two, immersion roller two is between conveying roller two and upper liquid roller, and squeezer roll is being in upper liquid roller just
Top is simultaneously mutually pressed against with upper liquid roller, and conveying roller one, conveying roller two, upper liquid roller and conveying roller three are connected with motor drive；Baking oven
One, it is equipped with roller bearing up and down staggeredly in baking oven two, baking oven three and baking oven four, transmission nonwoven is equipped between immersion liquid slot and baking oven one
The transfer roller groups one of cloth, are equipped with the transfer roller groups two of transmission non-woven fabrics between baking oven one and baking oven two, baking oven two and baking oven three it
Between be equipped with transmission non-woven fabrics transfer roller groups three, between baking oven three and baking oven four be equipped with transmission non-woven fabrics transfer roller groups four, dry
The transfer roller groups five of transmission non-woven fabrics are equipped between case four and nonwoven fabric winding machine structure.
3. the preparation method of disposable operation single two layers of the composite material of paving according to claim 2, feature exist
In transfer roller groups one are room temperature roller group, and transfer roller groups two, transfer roller groups three, transfer roller groups four and transfer roller groups five are chill roll
Group has been passed through coolant liquid in transfer roller groups two, transfer roller groups three, transfer roller groups four and transfer roller groups five.
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| CN201710168629.0A CN106945353B (en) | 2017-03-21 | 2017-03-21 | Disposable operation single two layers of the composite material and preparation method of paving |
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| CN113893383A (en) * | 2021-10-26 | 2022-01-07 | 海宁市美迪康非织造新材料有限公司 | Medical super-absorbent liquid-absorbing water-locking pad material and preparation method thereof |
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| JPH05300922A (en) * | 1992-04-23 | 1993-11-16 | Chikazawa Seishijiyo:Kk | Paper diaper |
| CN1158104A (en) * | 1994-09-20 | 1997-08-27 | 埃克森化学专利公司 | Microporous film/nonwoven composites |
| CA2642114A1 (en) * | 2006-02-21 | 2007-08-30 | Ahlstrom Corporation | Nonwoven medical fabric |
| CN201524285U (en) * | 2009-07-31 | 2010-07-14 | 稳健实业(深圳)有限公司 | Composite base material of drapes, drapes and operation laying sheet |
| CN202021883U (en) * | 2010-12-22 | 2011-11-02 | 山东俊富无纺布有限公司 | Fabric for operation sheet |
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