CN107599574B - A kind of preparation method of surgical operation towel cloth base material - Google Patents
A kind of preparation method of surgical operation towel cloth base material Download PDFInfo
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- CN107599574B CN107599574B CN201710790061.6A CN201710790061A CN107599574B CN 107599574 B CN107599574 B CN 107599574B CN 201710790061 A CN201710790061 A CN 201710790061A CN 107599574 B CN107599574 B CN 107599574B
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- 239000000463 material Substances 0.000 title claims abstract description 41
- 239000004744 fabric Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000004698 Polyethylene Substances 0.000 claims abstract description 55
- 239000000654 additive Substances 0.000 claims abstract description 55
- 239000010410 layer Substances 0.000 claims abstract description 50
- 239000002245 particle Substances 0.000 claims abstract description 36
- 230000000996 additive effect Effects 0.000 claims abstract description 30
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 22
- -1 polyethylene Polymers 0.000 claims abstract description 19
- 229920000573 polyethylene Polymers 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 150000001875 compounds Chemical class 0.000 claims abstract description 14
- 239000012790 adhesive layer Substances 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000004804 winding Methods 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 238000004806 packaging method and process Methods 0.000 claims abstract description 4
- 235000013599 spices Nutrition 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 61
- 239000007788 liquid Substances 0.000 claims description 32
- 230000037361 pathway Effects 0.000 claims description 26
- 239000000498 cooling water Substances 0.000 claims description 23
- 238000005266 casting Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000004745 nonwoven fabric Substances 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 10
- 230000008719 thickening Effects 0.000 claims description 9
- 238000013329 compounding Methods 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 210000000554 iris Anatomy 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000007792 addition Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 210000000476 body water Anatomy 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 230000001580 bacterial effect Effects 0.000 abstract description 4
- 230000035515 penetration Effects 0.000 abstract description 4
- 108091006146 Channels Proteins 0.000 description 61
- 239000002184 metal Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000010791 quenching Methods 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- 102000010637 Aquaporins Human genes 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000007766 curtain coating Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003359 percent control normalization Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 108010063290 Aquaporins Proteins 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 206010011409 Cross infection Diseases 0.000 description 1
- 101000927062 Haematobia irritans exigua Aquaporin Proteins 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
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- 239000000758 substrate Substances 0.000 description 1
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Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B46/00—Surgical drapes
- A61B46/20—Surgical drapes specially adapted for patients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0021—Combinations of extrusion moulding with other shaping operations combined with joining, lining or laminating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/45—Joining of substantially the whole surface of the articles
-
- 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
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
-
- 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
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/51—Elastic
-
- 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
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
- B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
-
- 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 or catheter
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Textile Engineering (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of preparation method of surgical operation towel cloth base material, surgical operation towel cloth base material includes nonwoven layer and film layer, nonwoven layer and film layer are bonded compound by adhesive layer, film layer is polyethylene film, each component and its percentage composition of polyethylene film are as follows: PE particle 7,042 30%~40%；PE particle 7,050 15%~25%；PE particle P01 30%~45%；Color additives 4%~13%；Modified additive 1%~4%；Antimildew and antibacterial additive 3%~10%；The preparation method of surgical operation towel cloth base material, comprising steps of A) purchasing of raw materials；B) check and accepting storing；C spice) is got；D) film production；E) compound volume production；F) splitting winding；G packaging) is checked and accepted；H) it is put in storage outbound；Surgical operation towel cloth base material prepared by the present invention has the performance of antibacterial and mouldproof, can preferably protect patient, can be used as the outdoor use of emergency, prevents bacterial penetration from causing secondary damage, and has elastic conformability when in use good.
Description
The present invention be submit on March 20th, 2017, entitled " surgical operation towel cloth base material and preparation method thereof ", Shen
Please number for 2017101638136 application for a patent for invention divisional application.
Technical field
The invention belongs to medical composite material technical field, it is related to a kind of surgical operation towel cloth base material and preparation method thereof.
Background technique
With the continuous improvement of medical level, prevention and control pay attention to day by day of the hospital for infection risk in operation, hand
Art hole towel is used widely in operating room.Surgical operation towel is the barrier material for bedding in operative site, for avoiding and
The pollution in operation is reduced, to protect patient lower for the resistance from cross-infection, while also having protection to make surgical staff
With.Conventional medical operation hole towel generally all with by three proofings processing SMS non-woven fabrics or spunlace non-woven cloth as main substrate,
And it is mutually compound using complex technique and film, play the role of absorbing blood and liquid barrier leaks.
But the elasticity of conventional surgical operation towel material is poor, causes made surgical operation towel conformability poor, it is bulk
It is easy to hook silk and stops doctor's operation.In addition, the antimildew and antibacterial performance of material itself is weaker, mould be will lead in use outdoors
The secondary damage of wound.
Wherein the film mutually compound with non-woven fabrics mostly uses cast film machine to form, and cast film machine is that melt is passed through curtain coating dress
Curtain coating quenching film forming is set, wherein chill roll is most important film-forming component.Traditional chill roll is mostly cold using single-row spiral
But aquaporin, in cooling film forming, cooling water flows to the other end by one end of chill roll, to maintain the lower roll surface temperature of chill roll
Degree.This chill roll can only produce narrow casting films, the reason is that the chill roll length of narrow casting films is shorter, the temperature at roll surface both ends
It is poor little, do not interfere with the quality of casting films quenching film forming.And for wide cut casting films, then need the longer cooling of length
Roller, then the temperature difference at roll surface both ends can increase with length, to influence the quality of casting films quenching film forming, thus
Manufactured composite material is unable to satisfy the quality requirement of surgical operation towel.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, a kind of surgical operation towel cloth base material is proposed, is solved
The problem for antibacterial and mouldproof performance difference of having determined, can preferably protect patient, can be used as the outdoor use of emergency, prevent bacterial penetration
Cause secondary damage.
Object of the invention can be realized by the following technical scheme:
Surgical operation towel cloth base material, including nonwoven layer and film layer, nonwoven layer and film layer are bonded multiple by adhesive layer
It closes, film layer is polyethylene film, each component and its percentage composition of polyethylene film are as follows:
PE particle 7,042 30%~40%；
PE particle 7,050 15%~25%；
PE particle P01 30%~45%；
Color additives 4%~13%；
Modified additive 1%~4%；
Antimildew and antibacterial additive 3%~10%.
In above-mentioned surgical operation towel cloth base material, color additives include 3%~10% color additives B05 and 1%~
3% color additives W01.
In above-mentioned surgical operation towel cloth base material, the grammes per square metre of nonwoven layer is 2~3 times of the grammes per square metre of film layer.
In above-mentioned surgical operation towel cloth base material, the grammes per square metre of nonwoven layer is 40~50gsm, and the grammes per square metre of film layer is 15
~25gsm, the grammes per square metre of adhesive layer are 2~5gsm.
In above-mentioned surgical operation towel cloth base material, adhesive layer is TEP903 system glue.
In above-mentioned surgical operation towel cloth base material, nonwoven layer is spunlace non-woven cloth or SMS non-woven fabrics.
It is another object of the present invention to there is the above problem in view of the prior art, a kind of surgical operation towel cloth base material is proposed
Preparation method, solve the problems, such as that antibacterial and mouldproof performance difference and conformability are poor, prepared surgical operation towel cloth base material has anti-
The mould proof performance of bacterium, and have elastic conformability when in use good.
Object of the invention can be realized by the following technical scheme:
A kind of preparation method of surgical operation towel cloth base material, comprising the following steps:
A) the purchasing of raw materials: buying non-woven fabrics, PE particle 7042, PE particle 7050, PE particle P01, color additives B05,
The raw materials such as color additives W01, modified additive SHJ, antimildew and antibacterial additive MKJ1, TEP903 system glue；
B) check and accepting storing: the raw material check and accepting storing that will be purchased in step A)；
C it) gets spice: being claimed proportionally to weigh various raw materials, PE particle 7042 with 500 kilograms every barrel with high-precision electronic
Accounting 30%~40%, 7050 accounting 15%~25% of PE particle；PE particle P01 accounting 30%~45%；Color additives
B05 accounting 3%~10%；Color additives number W01 accounting 1%~3%；Modified additive accounting 1%~4%；It is mould proof
Antibacterial additives accounting 3%~10%；Each raw material is added in vertical heating stirring machine and is stirred, every 500 kilograms of stirrings
Time is greater than 50 minutes, and temperature is controlled at 50 ± 5 DEG C, and can only once stir 500 kilograms positive and negative 10 kilograms；
D) film production: the material after stirring is added in the flared crossing casting machine of twin-screw and mixes extrusion, poly- second is made
Alkene film；The heating of film molding equipment barrel is equipped with 7 regions, and the temperature in first region is 185 ± 10 DEG C, Two Areas temperature
Degree is 220 ± 10 DEG C, and third regional temperature is 235 ± 10 DEG C, and the 4th to District 7 domain temperature is 250 ± 10 DEG C；Filtering
Net net-changing device temperature is 240 ± 10 DEG C, and the temperature in remaining each portion adjusts between 230 DEG C to 250 DEG C；Film forming film tool temperature
Degree control is equipped with 13 regions, and the regional temperature on both sides is set as 260 ± 5 DEG C, remaining 11 region is all 240 ± 10 DEG C；
E) compound volume production: bonding compound, finished product for non-woven fabrics and the compounding machine of polyethylene film obtained by step D),
Wherein the tension technological parameter of compounding machine is 0.5 to 1 newton of unwinding tension, and winding tension is 1 newton to 4 newton, and does 0.1
The tension adjustment of newton；Temperature process parameter be 150 ± 2 DEG C of melting basin temperature, 160 ± 2 DEG C of trunnion temperature, spray gun temperature 160 ± 2
DEG C, 160 ± 2 DEG C of hot blast temperature；Other control parameters are spray gun roller gap 50mm, and active unwinding tension is 0.5 to 1N, winding
Tension is 1 to 4N；
F) splitting winding；
G packaging) is checked and accepted；
H) it is put in storage outbound.
In the preparation method of above-mentioned surgical operation towel cloth base material, the flared crossing casting machine of twin-screw has flared crossing cooling
Roller, flared crossing chill roll include roll body, rotary joint one and rotary joint two, and rotary joint one is mounted on the left end of roll body, rotation
Adapter two is mounted on the right end of roll body, and rotary joint one has feed liquor runner one and out liquid stream road one, and feed liquor runner one connects
Inlet tube one, liquid stream road one connects outlet tube one out, and rotary joint two has feed liquor runner two and out liquid stream road two, feed liquor runner
Two connection inlet tubes two, liquid stream road two connects outlet tube two out；Roll body include interior roll body, intermediate roll body, outer roll body, left end cap and
Right end cap, intermediate roll body are set on interior roll body, and outer roll body is set on intermediate roll body, and the left end of interior roll body wears left end cap,
Left end cap is sealed on the left end of intermediate roll body and the left end of outer roll body, and rotary joint one is connected with left end cap, and rotary joint is a set of
And if being sealed on the left end of interior roll body；The right end of interior roll body wears right end cap, and right end cap is sealed on the right end of intermediate roll body and outer
The right end of roll body, rotary joint two are connected with right end cap, and rotary joint two is arranged and is sealed on the right end of interior roll body；Intermediate roll body
It is convexly equipped with retaining ring, retaining ring is integrally formed the outer wall middle-end in intermediate roll body, and retaining ring is pressed on the inner wall middle-end of outer roll body；Outer roll body
Cooling duct one is formed between intermediate roll body and cooling duct two, left end cap and right end cap offer end cap runner, left end
The end cap runner connection cooling duct one of lid and out liquid stream road one, the end cap runner connection cooling duct two of right end cap and out liquid stream
Road two；Interior roll body is divided into left side roll body and right side roll body, left side roll body and right roller body by integral forming and in symmetrical structure；It is left
The inside of side roller body has feed pathway one, and the inside of right side roll body has feed pathway two, the feed liquor runner of rotary joint one
One communicates with the feed pathway one of left side roll body；The feed pathway two-phase of the feed liquor runner two and right side roll body of rotary joint two
It is logical；Spiral channel one and spiral channel two, spiral channel one and spiral channel two-phase are formed between left side roll body and intermediate roll body
Mutually staggeredly, feed pathway one extends internally from the left end of left side roll body and is connected with the inner end of spiral channel one, spiral channel
One outer end is connected to the outer end of spiral channel two by link slot one, and intermediate roll body offers one and irises out water hole one, apopore
One is adjacent to retaining ring, and the inner end of spiral channel two is communicated with cooling duct one by apopore one；Right side roll body and intermediate roll body
Between form spiral channel three and spiral channel four, spiral channel three and spiral channel four are interlaced, and feed pathway two is from the right side
The right end of side roller body extends internally and is connected with the inner end of spiral channel three, outer end and the spiral channel four of spiral channel three
Outer end is connected to by link slot two, and intermediate roll body offers one and irises out water hole two, and apopore two is adjacent to retaining ring, spiral channel four
Inner end and cooling duct two communicated by apopore two；The retaining ring two sides of intermediate roll body are welded with the drainage of multiple groups equidistant interval
Piece group, every group of drainage piece group are made of multiple drainage pieces, and the drainage piece of every group of drainage piece group is radially spaced and is welded on centre
On the outer wall of roll body, and the position of the drainage piece of two adjacent groups drainage piece group mutually staggers.
In the preparation method of above-mentioned surgical operation towel cloth base material, the both ends of outer roll body are respectively embedded with a thickening set, add
Thickness set is between the end of outer roll body and the end of intermediate roll body, and the outer wall for thickening set is resisted against on the inner wall of outer roll body, is added
The wall thickness of thickness set is gradually incremented by from inside to outside.
In the preparation method of above-mentioned surgical operation towel cloth base material, the inner wall of outer roll body is pasted with heat-conducting metal layer one, in
Between the inner wall of roll body be pasted with heat-conducting metal layer two.
Compared with prior art, the present invention has the advantage that:
1, product of the invention has antimildew and antibacterial performance, can preferably protect patient in use, can also be with
As outdoor use of meeting an urgent need, bacterial penetration is prevented, so that product is kept preferably effect, prevents the secondary damage of wound, furthermore produce
Elasticity is good for product, has certain tension to be able to when fastening patient positions personal；
2, the flared crossing chill roll of casting machine is designed as symmetrical two-way feed liquor drainage structure, using from the two of roll body
Hold it is two-way then bidirectionally cooling water is discharged into cooling water, the liquid feeding end and outlet end of cooling water are the same end of roll body,
The same end of roll body feed liquor and liquid out simultaneously, reduce roll body temperature difference between the two ends, realization film uniformly cools down, advantageously accounts for cooling down
The problem that cooling efficiency is low when roller length is too long, inhomogeneous cooling is even is conducive to the quality of production for improving film, is suitable for output
The film product of wider door width.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of surgical operation towel cloth base material of the invention.
Fig. 2 is the flow chart of the preparation method of surgical operation towel cloth base material of the invention.
Fig. 3 is the structural schematic diagram of flared crossing chill roll of the invention.
Fig. 4 is the side view of the intermediate roll body of flared crossing chill roll of the invention.
Fig. 5 is the partial enlarged view in the portion A in Fig. 3.
Fig. 6 is the partial enlarged view in the portion B in Fig. 3.
In figure, 1, rotary joint one；2, rotary joint two；3, feed liquor runner one；4, go out liquid stream road one；5, inlet tube one；
6, outlet tube one；7, feed liquor runner two；8, go out liquid stream road two；9, inlet tube two；10, outlet tube two；11, interior roll body；12, intermediate
Roll body；13, outer roll body；14, left end cap；15, right end cap；16, retaining ring；17, cooling duct one；18, cooling duct two；19, it holds
Lid runner；20, left side roll body；21, right side roll body；22, feed pathway one；23, feed pathway two；24, spiral channel one；25,
Spiral channel two；26, link slot one；27, apopore one；28, spiral channel three；29, spiral channel four；30, link slot two；
31, apopore two；32, drainage piece group；33, drainage piece；34, set is thickeied；35, heat-conducting metal layer one；36, heat-conducting metal layer two；
37, end cap slot；38, stage portion；39, drainage strip one；40, drainage strip two；41, drainage strip three；42, drainage strip four；43, non-woven fabrics
Layer；44, film layer；45, adhesive layer.
Specific embodiment
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.
Embodiment one
As shown in Figure 1, the present invention provides a kind of surgical operation towel cloth base material, including nonwoven layer 43 and film layer 44, nonwoven
Layer of cloth 43 and film layer 44 are bonded compound by adhesive layer 45, and nonwoven layer 43 is 45gsm white spunlace non-woven cloth, adhesive layer 45
For 4gsm TEP903 system glue, film layer 44 is 25gsm polyethylene film, each component and its percentage composition of polyethylene film are as follows:
PE particle 7,042 40%；
PE particle 7,050 15%；
PE particle P01 30%；
Color additives B05 4%；
Color additives W01 1%；
Modified additive 2% (additive number is SHJ)；
Antimildew and antibacterial additive 8% (additive number is MKJ1).
Embodiment two
A kind of surgical operation towel cloth base material, including nonwoven layer 43 and film layer 44, nonwoven layer 43 and film layer 44 pass through
Adhesive layer 45 bonds compound, and nonwoven layer 43 is 50gsm white spunlace non-woven cloth, and adhesive layer 45 is 3.0gsm TEP903 system glue
Water, film layer 44 are 20gsm polyethylene film, each component and its percentage composition of polyethylene film are as follows:
PE particle 7,042 30%；
PE particle 7,050 20%；
PE particle P01 35%；
Color additives B05 5%；
Color additives W01 2%；
Modified additive 2% (additive number is SHJ)；
Antimildew and antibacterial additive 6% (additive number is MKJ1).
Embodiment three
A kind of surgical operation towel cloth base material, including nonwoven layer 43 and film layer 44, nonwoven layer 43 and film layer 44 pass through
Adhesive layer 45 bonds compound, and nonwoven layer 43 is 50gsm blue SMS non-woven fabrics, and adhesive layer 45 is 3gsm TEP903 system glue,
Film layer 44 is 20gsm polyethylene film, each component and its percentage composition of polyethylene film are as follows:
PE particle 7,042 32%；
PE particle 7,050 16%；
PE particle P01 33%；
Color additives B05 3%；
Color additives W01 3%；
Modified additive 3% (additive number is SHJ)；
Antimildew and antibacterial additive 10% (additive number is MKJ1).
The main physical parameter of surgical operation towel cloth base material of the invention is door width, grammes per square metre, tensile strength, separation strength and resistance to
Hydraulic pressure.The equipment that grammes per square metre test uses is the specific gravity balance of the high Inland Steel of TaiWan, China, and what tensile strength, separation strength used sets
Standby is the servo tensile testing machine of the high Inland Steel of TaiWan, China, and the novel water pressure resistance that water pressure resistance test is then full Switzerland's import is surveyed
Instrument is tried, door width uses conventional tape measure.
The surgical operation towel cloth base material provided embodiment three is tested, and table one is shown the result in:
Table one
Being added in the composition of polyethylene film has antimildew and antibacterial additive, so that finished product has antimildew and antibacterial performance, antibacterial
Effect is exactly that can also be used as the outdoor use of emergency in order to preferably protect patient in product use, prevent bacterial penetration, mould proof
Effect be to allow product to keep preferably effect, mould will lead to the secondary damage of wound in outdoor use.
As shown in Figures 2 to 6, it the present invention also provides a kind of preparation method of surgical operation towel cloth base material, is used to prepare
State surgical operation towel cloth base material, comprising the following steps:
A) the purchasing of raw materials: buying non-woven fabrics, PE particle 7042, PE particle 7050, PE particle P01, color additives B05,
The raw materials such as color additives W01, modified additive SHJ, antimildew and antibacterial additive MKJ1, TEP903 system glue；
B) check and accepting storing: the raw material check and accepting storing that will be purchased in step A)；
C it) gets spice: being claimed proportionally to weigh various raw materials, PE particle 7042 with 500 kilograms every barrel with high-precision electronic
Accounting 30%~40%, 7050 accounting 15%~25% of PE particle；PE particle P01 accounting 30%~45%；Color additives
B05 accounting 3%~10%；Color additives number W01 accounting 1%~3%；Modified additive accounting 1%~4%；It is mould proof
Antibacterial additives accounting 3%~10%；Raw material of the component proportion greater than 20% controls within positive and negative 100 grams, and component ratio is small
Raw material in 20% controls within positive and negative 20 grams；Each raw material is added in vertical heating stirring machine and is stirred, every 500
Kilogram mixing time is greater than 50 minutes, and temperature is controlled at 50 ± 5 DEG C, and can only once stir 500 kilograms positive and negative 10 kilograms；
D) film production: the material after stirring is added in the flared crossing casting machine of twin-screw and mixes extrusion, antibacterial is prevented
Mould additive and common raw material is sufficiently mixed extrusion, and the polyethylene film with antibacterial and mouldproof performance is made；Film molding equipment
Barrel heating is equipped with 7 regions, and the temperature in first region is 185 ± 10 DEG C, and second regional temperature is 220 ± 10 DEG C,
Third regional temperature is 235 ± 10 DEG C, and the 4th to District 7 domain temperature is 250 ± 10 DEG C；Filter screen net-changing device temperature is
240 ± 10 DEG C, the temperature in remaining each portion adjusts between 230 DEG C to 250 DEG C；Film forming film has temperature control and is equipped with 13
Region, film tool are rectangle, and side is trapezoidal, and the regional temperature on both sides is set as 260 ± 5 DEG C, remaining 11 region is all 240
±10℃；
E) compound volume production: bonding compound, finished product for non-woven fabrics and the compounding machine of polyethylene film obtained by step D),
Wherein the tension technological parameter of compounding machine is 0.5 to 1 newton of unwinding tension, and winding tension is 1 newton to 4 newton, and does 0.1 N
The tension adjustment paused；Temperature process parameter be 150 ± 2 DEG C of melting basin temperature, 160 ± 2 DEG C of trunnion temperature, spray gun temperature 160 ± 2
DEG C, 160 ± 2 DEG C of hot blast temperature；Other control parameters are spray gun roller gap 50mm, and active unwinding tension is 0.5 to 1N, winding
Tension is 1 to 4N；
F) splitting winding；
G packaging) is checked and accepted；
H) it is put in storage outbound.
Product needs casting machine to complete jointly with compounding machine, and between this problem of is exactly tension force, so I
Two equipment have stable tension control system, obtained product tensile property is good, have elastic force, fastening patient portion
There is certain tension to be able to when position personal.
It is noted that the flared crossing casting machine of twin-screw have flared crossing chill roll, flared crossing chill roll include roll body,
Rotary joint 1 and rotary joint 22, rotary joint 1 are mounted on the left end of roll body, and rotary joint 22 is mounted on roll body
Right end, when cooling down to film, roll body is in rotary state, and roll body relative rotation connector 1 and rotary joint 22 axially turn
It is dynamic.Rotary joint 1 has feed liquor runner 1 and out liquid stream road 1, and feed liquor runner 1 connects inlet tube 1, out liquid stream road
One 4 connection outlet tubes 1, rotary joint 22 have feed liquor runner 27 and out liquid stream road 28, and feed liquor runner 27 connects feed liquor
Pipe 29, liquid stream road 28 connects outlet tube 2 10 out.The flared crossing chill roll is two-way into cooling using the both ends from roll body
Then water bidirectionally cooling water is discharged, the liquid feeding end and outlet end of cooling water are the same end of roll body, in the same end of roll body
Feed liquor and out liquid simultaneously reduce roll body temperature difference between the two ends, realize that film uniformly cools down, and are conducive to the production matter for improving polyethylene film
Amount.
Specifically, roll body includes interior roll body 11, intermediate roll body 12, outer roll body 13, left end cap 14 and right end cap 15, intermediate calender rolls
Body 12 is set on interior roll body 11, and outer roll body 13 is set on intermediate roll body 12 and has gap between intermediate roll body 12.
Left end cap 14 is identical with 15 structure of right end cap, the center of left end cap 14 and the center of right end cap 15 offer and
The axis hole that interior roll body 11 matches, the left end of interior roll body 11 wear left end cap 14, and left end cap 14 is sealed on a left side for intermediate roll body 12
The left end at end and outer roll body 13, left end cap 14 are locked with outer roll body 13 by screw.Rotary joint 1 and left end cap 14
Flange is connected, and rotary joint 1 is set in the left end of interior roll body 11 and covers its left end.The right end of interior roll body 11 wears the right side
End cap 15, right end cap 15 are sealed on the right end of intermediate roll body 12 and the right end of outer roll body 13, and right end cap 15 passes through with outer roll body 13
Screw is locked, and rotary joint 22 is connected with 15 flange of right end cap, and rotary joint 22 is set in the right end of interior roll body 11 simultaneously
Its right end is covered.Selectively, left end cap 14 and right end cap 15 offer the end cap slot 37 being recessed inwardly, intermediate roll body
12 left end is caught in the end cap slot 37 of left end cap 14, and the right end of intermediate roll body 12 is caught in the end cap slot 37 of right end cap 15, from
And improve the 15 pairs of stronger cappings of intermediate roll body 12 of left end cap 14 and right end cap.
Further, intermediate roll body 12 is convexly equipped with retaining ring 16, and retaining ring 16 is integrally formed the outer wall middle-end in intermediate roll body 12,
Retaining ring 16 is pressed on the inner wall middle-end of outer roll body 13；Selectively, the inner wall middle-end of outer roll body 13 offers and 16 size of retaining ring
13 card slot of outer roll body to match, retaining ring 16 snap onto outer 13 card slot of roll body, to reinforce intermediate roll body 12 and outer roll body 13
Attachment force.It is noted that forming cooling duct 1 between outer roll body 13 and intermediate roll body 12 due to the setting of retaining ring 16
With cooling duct 2 18, cooling duct 1 and cooling duct 2 18 are separated by retaining ring 16, and cooling duct 1 is formed in gear
The left side of circle 16, cooling duct 2 18 is formed in the right side of retaining ring 16；Cooling duct 1 and cooling duct 2 18 are not communicated with, cold
But effect is not interfere with each other.Left end cap 14 and right end cap 15 offer end cap runner 19, and the end cap runner 19 of left end cap 14 is connected to
Cooling duct 1 and out liquid stream road 1, the end cap runner 19 of right end cap 15 are connected to cooling duct 2 18 and out liquid stream road 28,
To realize two-way independent cooling.In addition, cooling duct 1 is equal with 2 18 volume of cooling duct, to realize equivalent cooling
Effect.
Interior roll body 11 divides for left side roll body 20 and right side roll body 21, left side roll body 20 and right side roll body 21 be integrally formed and
In symmetrical structure, wherein left side roll body 20 is corresponding with cooling duct 1, right side roll body 21 is corresponding with cooling duct 2 18.
Specifically, the inside of left side roll body 20 has feed pathway 1, and the inside of right side roll body 21 has feed pathway 2 23, feed liquor
Channel 1 is not connected to feed pathway 2 23.The entrance of feed pathway 1 stretches to the feed liquor runner 1 of rotary joint 1
It is interior, so that the feed liquor runner 1 of rotary joint 1 is communicated with the feed pathway 1 of left side roll body 20；Feed pathway 2 23
Entrance stretches in the feed liquor runner 27 of rotary joint 22, thus the feed liquor runner 27 of rotary joint 22 and right side roll body 21
Feed pathway 2 23 communicate；The both ends of interior roll body 11 feed liquor simultaneously, realizes the two-way feed liquor of chill roll.
Spiral channel 1 and spiral channel 2 25, spiral channel 1 are formed between left side roll body 20 and intermediate roll body 12
It is interlaced with spiral channel 2 25, feed pathway 1 extend internally from the left end of left side roll body 20 and with spiral channel one
24 inner end is connected, and the outer end of spiral channel 1 is connected to the outer end of spiral channel 2 25 by link slot 1, intermediate
Roll body 12 offers one and irises out water hole 1, and apopore 1 is adjacent to retaining ring 16, and the inner end of spiral channel 2 25 and cooling are logical
Road 1 is communicated by apopore 1.Spiral channel 3 28 and spiral water are formed between right side roll body 21 and intermediate roll body 12
Road 4 29, spiral channel 3 28 and spiral channel 4 29 are interlaced, and the right end of feed pathway 2 23 from right side roll body 21 is inside
Extend and be connected with the inner end of spiral channel 3 28, the outer end of spiral channel 3 28 and the outer end of spiral channel 4 29 pass through company
Access slot 2 30 is connected to, and intermediate roll body 12 offers one and irises out water hole 2 31, and apopore 2 31 is adjacent to retaining ring 16, spiral channel
4 29 inner end is communicated with cooling duct 2 18 by apopore 2 31.
After inlet tube 1 and inlet tube 29 are opened simultaneously, the cooling water of inlet tube 1 passes through the feed liquor of rotary joint 1
Runner 1 enters the feed pathway 1 of interior roll body 11 from left end, inwardly flow to spiral channel 1 along feed pathway 1,
The surface for flowing through left side roll body 20 from inside to outside then along spiral channel 1, it is cooling after crossing with spiral channel 2 25
Water enters spiral channel 2 25, and flows through the surface of left side roll body 20 again from outside to inside along spiral channel 2 25, and
It enters in cooling duct 1 from apopore 1, is flowed to the left along cooling duct 1 from the centre of outer roll body 13, passed through
The end cap runner 19 of left end cap 14 and the liquid stream road 1 out of rotary joint 1 are crossed, is discharged from outlet tube 1, responsible pair
The left side of outer roll body 13 is cooled down, and the left side heat of film is taken away.
The cooling water of inlet tube 29 enters the feed liquor of interior roll body 11 by the feed liquor runner 27 of rotary joint 22 from right end
Channel 2 23 inwardly flow to spiral channel 3 28 along feed pathway 2 23, from inside to outside then along spiral channel 3 28
The surface of right side roll body 21 is flowed through, after crossing with spiral channel 4 29, cooling water enters spiral channel 4 29, and along spiral
Water channel 4 29 flows through the surface of right side roll body 21 again from outside to inside, and enters cooling duct 2 18 from apopore 2 31
It is interior, it is flowed to the right along cooling duct 2 18 from the centre of outer roll body 13, end cap runner 19 and rotation by right end cap 15
Connector 22 goes out liquid stream road 28, discharges from outlet tube 2 10, the right side for being responsible for external roll body 13 is cooled down, will be thin
The right side heat of film is taken away.Chill roll is along middle-end bilateral symmetry, therefore 13 left side of outer roll body and right side is cold
It is identical.
The inner wall of outer roll body 13 is pasted with heat-conducting metal layer 1, and the inner wall of intermediate roll body 12 is pasted with heat-conducting metal layer two
36.It is noted that film is attached to the surface of outer roll body 13 when chill roll cools down film, chill roll is set
Be calculated as symmetrical two-way feed liquor drainage structure, advantageously account for chill roll length it is too long when cooling efficiency is low, inhomogeneous cooling is even
The problem of, the length of chill roll of the invention can be longer than common chill roll length, and the film suitable for the wider door width of output produces
Product.Cooling water is before flowing into cooling duct 1, the external roll body 13 in cooling duct 2 18 carries out cooling, first in intermediate roll body 12
Spiral reciprocal flowing is carried out between interior roll body 11, increases flowing time of the cooling water inside roll body, cooling water is in spiral shell
It is to play to intermediate roll body 12 when revolving flowing in water channel 1, spiral channel 2 25, spiral channel 3 28 and spiral channel 4 29
Cooling effect, cold temperature can be transferred to cooling duct 1 and cooling duct 2 18 by intermediate roll body 12 in advance, make to cool down
Before not being passed through cooling water, internal temperature first can reduce for channel 1 and cooling duct 2 18, that is, work as cooling water
Also between intermediate roll body 12 and interior roll body 11 when helical flow, cooling water be also can externally roll body 13 play indirectly it is cold
But it acts on, not only increases the activity ratio of cooling water, and cooling water is avoided to enter cooling duct 1 and cooling duct two
The outer quenching suddenly of roll body 13, avoids the outer 13 front and back temperature difference of roll body too big after 18, is conducive to that film is presented uniform cooling.
Preferably, spiral channel 1 and spiral channel 2 25 are the recessed helicla flutes on left side roll body 20；Spiral
Water channel 3 28 and spiral channel 4 29 are the recessed helicla flutes on right side roll body 21.
Selectively, the outer wall middle-end of interior roll body 11 has the stage portion 38 of protrusion, left side roll body 20 and right side roll body 21
It is separated by 38 phase of stage portion, stage portion 38 is resisted against the inner wall middle-end of intermediate roll body 12；Spirally winding on left side roll body 20
Have the drainage strip 1 and drainage strip 2 40 of protrusion, drainage strip 1 and drainage strip 2 40 it is of same size.One 39 He of drainage strip
Drainage strip 2 40 is welded on the outer wall of left side roll body 20, and drainage strip 1 and drainage strip 2 40 are resisted against intermediate roll body 12
On inner wall, and define spiral channel 1 and spiral channel 2 25.
It is spirally arranged with the drainage strip 3 41 and drainage strip 4 42 of protrusion on right side roll body 21, drainage strip 3 41 and draws
Flow the of same size of item 4 42.Drainage strip 3 41 and drainage strip 4 42 are welded on the outer wall of right side roll body 21, drainage strip three
41 and drainage strip 4 42 be resisted against on the inner wall of intermediate roll body 12, and define spiral channel 3 28 and spiral channel 4 29.
Selectively, 16 two sides of retaining ring of intermediate roll body 12 are welded with the drainage piece group 32 of multiple groups equidistant interval, and every group is drawn
Flow group 32 is made of multiple drainage pieces 33, and the drainage piece 33 of every group of drainage piece group 32 is radially spaced and is welded on intermediate roll body
On 12 outer wall, and the position of the drainage piece 33 of two adjacent groups drainage piece group 32 mutually staggers；Cooling water cooling duct 1 again
When with flowing in cooling duct 2 18, drainage piece 33 plays agitaion to cooling water, overcomes laminar flow phenomenon.
In addition, the both ends of outer roll body 13 are respectively embedded with a thickening set 34, the outer diameter and outer roll body 13 of set 34 are thickeied
The internal diameter at both ends matches, and thickeies set 34 and is between the end of outer roll body 13 and the end of intermediate roll body 12, thickeies set
34 outer wall is resisted against on the inner wall of outer roll body 13, and the thickening set 34 of 13 left end of outer roll body passes through fastener with left end cap 14
It is locked, the thickening set 34 of outer 13 right end of roll body is locked with right end cap 15 by fastener；Thicken set 34 wall thickness from
Gradually it is incremented by from inside to outside.The both ends of outer roll body 13 are in non-active area, and the setting for thickening set 34 increases the two of outer roll body 13
Thickness is held, the cooling at external 13 both ends of roll body of cooling water is hindered, avoids the both ends of outer roll body 13 from generating dew condensation phenomenon, is conducive to solve
The influence certainly to condense to film quality.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
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 rotary joint 1 is used more herein；Rotary joint 22；Feed liquor runner 1；Liquid stream road 1 out；
Inlet tube 1；Outlet tube 1；Feed liquor runner 27；Liquid stream road 28 out；Inlet tube 29；Outlet tube 2 10；Interior roll body 11；In
Between roll body 12；Outer roll body 13；Left end cap 14；Right end cap 15；Retaining ring 16；Cooling duct 1；Cooling duct 2 18；End cap stream
Road 19；Left side roll body 20；Right side roll body 21；Feed pathway 1；Feed pathway 2 23；Spiral channel 1；Spiral channel two
25；Link slot 1；Apopore 1；Spiral channel 3 28；Spiral channel 4 29；Link slot 2 30；Apopore 2 31；Drainage
Piece group 32；Drainage piece 33；Thicken set 34；Heat-conducting metal layer 1；Heat-conducting metal layer 2 36；End cap slot 37；Stage portion 38；Drainage
Item 1；Drainage strip 2 40；Drainage strip 3 41；Drainage strip 4 42；Nonwoven layer 43；Film layer 44；The terms such as adhesive layer 45, but
It does not exclude the possibility of using other terms.It is of the invention the use of these items is only for being more convenient to describe and explain
Essence；Being construed as any additional limitation is disagreed with spirit of that invention.
Claims (3)
1. a kind of preparation method of surgical operation towel cloth base material, it is used to prepare surgical operation towel cloth base material, surgical operation towel cloth base material, including
Nonwoven layer and film layer, nonwoven layer and film layer are bonded compound by adhesive layer, which is characterized in that film layer is polyethylene
Film, each component and its percentage composition of polyethylene film are as follows: PE particle 7,042 30%~40%；PE particle 7,050 15%~
25%；PE particle P01 30%~45%；Color additives 4%~13%；Modified additive 1%~4%；Antimildew and antibacterial addition
Agent 3%~10%；The preparation method the following steps are included:
A) the purchasing of raw materials: buying non-woven fabrics, PE particle 7042, PE particle 7050, PE particle P01, color additives B05, color
Additive W01, modified additive SHJ, antimildew and antibacterial additive MKJ1, TEP903 system glue raw material；
B) check and accepting storing: the raw material check and accepting storing that will be purchased in step A)；
C it) gets spice: being claimed proportionally to weigh various raw materials, 7042 accounting of PE particle with 500 kilograms every barrel with high-precision electronic
7050 accounting 15%~25% of 30%~40%, PE particle；PE particle P01 accounting 30%~45%；Color additives B05 accounting
3%~10%；Color additives number W01 accounting 1%~3%；Modified additive accounting 1%~4%；Antimildew and antibacterial additive
Accounting 3%~10%；Each raw material is added in vertical heating stirring machine and is stirred, every 500 kilograms of mixings time are greater than 50
Minute, temperature is controlled at 50 ± 5 DEG C, and can only once stir 500 kilograms positive and negative 10 kilograms；
D) film production: the material after stirring being added in the flared crossing casting machine of twin-screw and mixes extrusion, and polyethylene film is made；
The flared crossing casting machine of twin-screw have flared crossing chill roll, the both ends of flared crossing chill roll from the roll body it is two-way into cooling water then
Bidirectionally cooling water is discharged, the liquid feeding end and outlet end of cooling water are the same end of roll body, the same end of roll body simultaneously into
Liquid and out liquid；The heating of film molding equipment barrel is equipped with 7 regions, and the temperature in first region is 185 ± 10 DEG C, second area
Domain temperature is 220 ± 10 DEG C, and third regional temperature is 235 ± 10 DEG C, and the 4th to District 7 domain temperature is 250 ± 10 DEG C；It crosses
Strainer net-changing device temperature is 240 ± 10 DEG C, and the temperature in remaining each portion adjusts between 230 DEG C to 250 DEG C；Film forming mold temperature
Degree control is equipped with 13 regions, and the regional temperature on both sides is set as 260 ± 5 DEG C, remaining 11 region is all 240 ± 10 DEG C；
E) compound volume production: bonding compound, finished product for non-woven fabrics and the compounding machine of polyethylene film obtained by step D), wherein
The tension technological parameter of compounding machine is 0.5 to 1 newton of unwinding tension, and winding tension is 1 newton to 4 newton, and is 0.1 newton's
Tension adjustment；Temperature process parameter is 150 ± 2 DEG C of melting basin temperature, 160 ± 2 DEG C of trunnion temperature, 160 ± 2 DEG C of spray gun temperature, hot
160 ± 2 DEG C of air temperature；Other control parameters are spray gun roller gap 50mm；
F) splitting winding；
G packaging) is checked and accepted；
H) it is put in storage outbound；
Flared crossing chill roll includes roll body, rotary joint one and rotary joint two, and rotary joint one is mounted on the left end of roll body, rotation
Adapter two is mounted on the right end of roll body, and rotary joint one has feed liquor runner one and out liquid stream road one, and feed liquor runner one connects
Inlet tube one, liquid stream road one connects outlet tube one out, and rotary joint two has feed liquor runner two and out liquid stream road two, feed liquor runner
Two connection inlet tubes two, liquid stream road two connects outlet tube two out；Roll body include interior roll body, intermediate roll body, outer roll body, left end cap and
Right end cap, intermediate roll body are set on interior roll body, and outer roll body is set on intermediate roll body, and the left end of interior roll body wears left end cap,
Left end cap is sealed on the left end of intermediate roll body and the left end of outer roll body, and rotary joint one is connected with left end cap, and rotary joint is a set of
And if being sealed on the left end of interior roll body；The right end of interior roll body wears right end cap, and right end cap is sealed on the right end of intermediate roll body and outer
The right end of roll body, rotary joint two are connected with right end cap, and rotary joint two is arranged and is sealed on the right end of interior roll body；Intermediate roll body
It is convexly equipped with retaining ring, retaining ring is pressed on the inner wall middle-end of outer roll body；Cooling duct one and cold is formed between outer roll body and intermediate roll body
But channel two, left end cap and right end cap offer end cap runner, the end cap runner connection cooling duct one of left end cap and out liquid
Runner one, the end cap runner connection cooling duct two of right end cap and out liquid stream road two.
2. the preparation method of surgical operation towel cloth base material according to claim 1, which is characterized in that interior roll body is divided into left roller
Body and right side roll body, left side roll body and right roller body by integral forming and be in symmetrical structure；The inside of left side roll body has feed liquor
Channel one, the inside of right side roll body have feed pathway two, and the feed liquor runner one of rotary joint one and the feed liquor of left side roll body are logical
Road one communicates；The feed liquor runner two of rotary joint two is communicated with the feed pathway two of right side roll body；Left side roll body and intermediate roll body
Between form spiral channel one and spiral channel two, spiral channel one and spiral channel two are interlaced, and feed pathway one is from a left side
The left end of side roller body extends internally and is connected with the inner end of spiral channel one, outer end and the spiral channel two of spiral channel one
Outer end is connected to by link slot one, and intermediate roll body offers one and irises out water hole one, and apopore one is adjacent to retaining ring, spiral channel two
Inner end and cooling duct one communicated by apopore one；Spiral channel three and spiral are formed between right side roll body and intermediate roll body
Water channel four, spiral channel three and spiral channel four are interlaced, feed pathway two extend internally from the right end of right side roll body and with
The inner end of spiral channel three is connected, and the outer end of spiral channel three is connected to the outer end of spiral channel four by link slot two, in
Between roll body offer one and iris out water hole two, apopore two is adjacent to retaining ring, and inner end and the cooling duct two of spiral channel four pass through
Apopore two communicates.
3. the preparation method of surgical operation towel cloth base material according to claim 1, which is characterized in that the retaining ring two of intermediate roll body
Side is welded with the drainage piece group of multiple groups equidistant interval, and every group of drainage piece group is made of multiple drainage pieces, and every group of drainage piece group is drawn
Flow is radially spaced on the outer wall for being welded on intermediate roll body, and the position of the drainage piece of two adjacent groups drainage piece group is mutually wrong
It opens；The both ends of outer roll body are respectively embedded with a thickening set, thicken set and are between the end of outer roll body and the end of intermediate roll body,
The outer wall for thickening set is resisted against on the inner wall of outer roll body, and the wall thickness for thickening set is gradually incremented by from inside to outside.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710790061.6A CN107599574B (en) | 2017-03-20 | 2017-03-20 | A kind of preparation method of surgical operation towel cloth base material |
| CN201710163813.6A CN106965514B (en) | 2017-03-20 | 2017-03-20 | Surgical hole towel cloth base material and preparation method thereof |
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| CN201710163813.6A Active CN106965514B (en) | 2017-03-20 | 2017-03-20 | Surgical hole towel cloth base material and preparation method thereof |
| CN201710790061.6A Active CN107599574B (en) | 2017-03-20 | 2017-03-20 | A kind of preparation method of surgical operation towel cloth base material |
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| CN108042209A (en) * | 2017-12-20 | 2018-05-18 | 江苏省健尔康医用敷料有限公司 | Surgical operation towel |
| CN111484713B (en) * | 2020-03-24 | 2022-09-30 | 杭州奥风科技有限公司 | Degradable biomembrane casting machine |
| CN112659569A (en) * | 2020-12-23 | 2021-04-16 | 安徽迈德普斯医疗科技有限公司 | Intelligent production method of medical hole towel |
| CN112589869B (en) * | 2020-12-23 | 2022-09-13 | 安徽迈德普斯医疗科技有限公司 | A rigging equipment for producing hole piece of cloth |
| CN112677225A (en) * | 2020-12-29 | 2021-04-20 | 安庆市康明纳包装有限公司 | Medical material raw material pipe pushing mechanism |
| 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 |
| CN114030257A (en) * | 2021-10-26 | 2022-02-11 | 海宁市美迪康非织造新材料有限公司 | Disposable light chemical protective clothing fabric, processing equipment and preparation method thereof |
| CN116408981B (en) * | 2023-02-21 | 2024-06-07 | 浙江金石包装有限公司 | Sealing aluminum foil composite material and production equipment thereof |
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| US3542634A (en) * | 1969-06-17 | 1970-11-24 | Kendall & Co | Apertured,bonded,and differentially embossed non-woven fabrics |
| US3860684A (en) * | 1974-01-10 | 1975-01-14 | Gates Rubber Co | Endless belt making |
| DE3522051A1 (en) * | 1985-06-20 | 1987-01-02 | Freudenberg Carl Fa | DISPOSABLE DISCLOSURE OR CLOTHING CLOTH FOR SURGERY AND METHOD FOR THE PRODUCTION THEREOF |
| JP3016813B2 (en) * | 1990-03-29 | 2000-03-06 | 日新製鋼株式会社 | Surgical absorbent cloth |
| CN100551961C (en) * | 2004-12-17 | 2009-10-21 | 上海三呈高分子材料科技有限公司 | Antibacterial, ventilating, waterproof plastic granular materials for membrane and manufacture method thereof |
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| CN103724791B (en) * | 2014-01-02 | 2016-08-24 | 苏州艾兴无纺布制品有限公司 | Very-high performance plastic sheeting and preparation method thereof and composite |
| CN204863500U (en) * | 2015-05-26 | 2015-12-16 | 蔡晓东 | Disposable brain deep electrical stimulator implants operation hole piece of cloth and operation package |
| CN205112347U (en) * | 2015-10-14 | 2016-03-30 | 重庆天运汽车配件有限公司 | Cooling roller |
| CN105665666B (en) * | 2015-12-31 | 2018-05-04 | 安泰科技股份有限公司 | A kind of cooling roller device uniformly cooled down prepared for amorphous band and method |
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2017
- 2017-03-20 CN CN201911055099.4A patent/CN110696460A/en active Pending
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| CN107599574A (en) | 2018-01-19 |
| CN110696460A (en) | 2020-01-17 |
| CN106965514B (en) | 2020-01-07 |
| CN106965514A (en) | 2017-07-21 |
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