CN106626861B - A kind of Medical film chip base and its application - Google Patents
A kind of Medical film chip base and its application Download PDFInfo
- Publication number
- CN106626861B CN106626861B CN201611229780.2A CN201611229780A CN106626861B CN 106626861 B CN106626861 B CN 106626861B CN 201611229780 A CN201611229780 A CN 201611229780A CN 106626861 B CN106626861 B CN 106626861B
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- backing layer
- medical film
- chip base
- film chip
- coating fluid
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- 238000000576 coating method Methods 0.000 claims abstract description 69
- 239000011248 coating agent Substances 0.000 claims abstract description 67
- 239000012530 fluid Substances 0.000 claims abstract description 51
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000002245 particle Substances 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 22
- 239000002216 antistatic agent Substances 0.000 claims abstract description 21
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 21
- 229920005989 resin Polymers 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 239000011347 resin Substances 0.000 claims abstract description 11
- 239000008367 deionised water Substances 0.000 claims abstract description 10
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 10
- 229920000728 polyester Polymers 0.000 claims description 33
- 238000003384 imaging method Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- 229920002635 polyurethane Polymers 0.000 claims description 12
- 239000004814 polyurethane Substances 0.000 claims description 12
- 238000001723 curing Methods 0.000 claims description 10
- 239000012948 isocyanate Substances 0.000 claims description 9
- 150000002513 isocyanates Chemical class 0.000 claims description 9
- 229910003002 lithium salt Inorganic materials 0.000 claims description 9
- 159000000002 lithium salts Chemical group 0.000 claims description 9
- 229920000877 Melamine resin Polymers 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 8
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- -1 polypropylene Polymers 0.000 claims description 8
- CLWRFNUKIFTVHQ-UHFFFAOYSA-N [N].C1=CC=NC=C1 Chemical group [N].C1=CC=NC=C1 CLWRFNUKIFTVHQ-UHFFFAOYSA-N 0.000 claims description 7
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- 238000013007 heat curing Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 2
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 claims 2
- 239000004743 Polypropylene Substances 0.000 claims 1
- 150000001412 amines Chemical class 0.000 claims 1
- 229940074391 gallic acid Drugs 0.000 claims 1
- 235000004515 gallic acid Nutrition 0.000 claims 1
- 229920001155 polypropylene Polymers 0.000 claims 1
- 239000010410 layer Substances 0.000 description 75
- 238000003756 stirring Methods 0.000 description 60
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 20
- 238000002360 preparation method Methods 0.000 description 18
- 238000002156 mixing Methods 0.000 description 13
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 10
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 10
- 235000019441 ethanol Nutrition 0.000 description 10
- 239000007788 liquid Substances 0.000 description 6
- 239000004925 Acrylic resin Substances 0.000 description 5
- 229920000178 Acrylic resin Polymers 0.000 description 5
- WPYMKLBDIGXBTP-UHFFFAOYSA-N Benzoic acid Natural products OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 5
- 239000005711 Benzoic acid Substances 0.000 description 5
- 239000002202 Polyethylene glycol Substances 0.000 description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 description 5
- 239000002174 Styrene-butadiene Substances 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 235000010233 benzoic acid Nutrition 0.000 description 5
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- 229920001577 copolymer Polymers 0.000 description 5
- 239000000839 emulsion Substances 0.000 description 5
- 239000003822 epoxy resin Substances 0.000 description 5
- 238000009775 high-speed stirring Methods 0.000 description 5
- 239000004816 latex Substances 0.000 description 5
- 229920000126 latex Polymers 0.000 description 5
- WJSIUCDMWSDDCE-UHFFFAOYSA-K lithium citrate (anhydrous) Chemical compound [Li+].[Li+].[Li+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O WJSIUCDMWSDDCE-UHFFFAOYSA-K 0.000 description 5
- 229960003742 phenol Drugs 0.000 description 5
- 150000008301 phosphite esters Chemical class 0.000 description 5
- 229920000647 polyepoxide Polymers 0.000 description 5
- 229920001223 polyethylene glycol Polymers 0.000 description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 description 5
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 5
- 229940068984 polyvinyl alcohol Drugs 0.000 description 5
- 239000011115 styrene butadiene Substances 0.000 description 5
- 229920003048 styrene butadiene rubber Polymers 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000004094 surface-active agent Substances 0.000 description 5
- 239000012498 ultrapure water Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 229920000058 polyacrylate Polymers 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000002322 conducting polymer Substances 0.000 description 2
- 229920001940 conductive polymer Polymers 0.000 description 2
- 238000002242 deionisation method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 150000007974 melamines Chemical class 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 241001103870 Adia Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 210000002469 basement membrane Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 238000007648 laser printing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000010129 solution processing Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
Landscapes
- Paints Or Removers (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention provides a kind of Medical film chip base and its applications, solidify the backing layer coating fluid containing resin, antistatic agent, curing agent, particle, levelling agent and deionized water in the coated on one side of substrate and forms backing layer, the particle is made of water-borne wax and silica solution, the water-borne wax partial size is 0.01 μm~0.5 μm, the silica partial size is 0.05 μm~0.5 μm, and the weight ratio of the water-borne wax and silica solution is 1:2~1:5.The present invention crosses machine performance, relatively thin coating and good adhesion with excellent.
Description
Technical field
The present invention relates to medical fields, and in particular to a kind of Medical film chip base.
Background technique
With the continuous development of Medical Imaging Technology, the demand of Medical film is gradually increased.From wet type Medical film to
Dry type Medical film and dry type medical digital film.Traditional wet Medical film refers mainly to light-sensitive silver halide Medical film, should
Class film is influenced vulnerable to outside environmental elements, blackening due to long oxidation, and it is big to save difficulty.The imaging process needs of film pass through
Developing fixing completes the process, and film generates waste liquid during developing fixing, pollutes environment.Dry type Medical film does not need picture then
Wet type Medical film is like that a kind of processing method by temperature-sensitive, laser or inkjet printing by development and fixing solution processing
The Medical film of novel digital imaging.Process environmental protection is convenient, imaging clearly.Currently, dry type Medical film is in medical shadow
As having become mainstream in record.
Medical dry type film includes chip base, bottom, imaging of medical layer, backing layer.Medical film crosses machine performance and adhesion
It is extremely important, it otherwise be easy to cause Medical film print procedure to generate adhesion phenomenon and particle obscission, leads to print quality
It all has a greatly reduced quality with efficiency, while being easy damage print head.
In addition, medical dry type film environment-friendly type, lightweight and increasingly significant, the traditional Medical film of requirement for reducing cost
Backing layer one kind be coating solvent type coating fluid, and not environmentally, and coating fluid adherence is bad, needs before backing layer coating
Substrate is pre-processed, cost is increased；Another kind of is the coating fluid for being coated with aqueous environment protection, however, to ensure that the machine of mistake,
Coating is partially thick, and backing layer particle is bigger than normal, and some areas particle occur and fall off, easily damage print head.
Summary of the invention
The object of the present invention is to provide a kind of Medical film chip base and its application, the chip base of Medical film passes through control production
Technique and optimization coating formula, guarantee it is good cross machine and under the premise of antistatic performance, backing layer water absorption rate is low, be easy to protect
It deposits；And having good adhesive force, surface particle is not in fall off, and print procedure will not damage print head, production and processing
Process is simple, and coating is thinner, and cost is cheaper, and comprehensive performance is more excellent.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of Medical film chip base contains resin, antistatic agent, curing agent, particle, stream in the coated on one side solidification of substrate
The coating fluid of flat agent and deionized water forms backing layer, and the particle is made of water-borne wax and silica solution, and the water-borne wax partial size is
0.01 μm~0.5 μm, the silica partial size is 0.05 μm~0.5 μm, and the weight ratio of the water-borne wax and silica solution is 1:2
~1:5.
The weight percent of each raw material of backing layer coating fluid is as follows:
The backing layer is with a thickness of 0.1 μm~0.8 μm.
The resin is one or more of polyurethanes, polyacrylate, polyesters, preferably polyurethanes.
The curing agent is one or more of nitrogen pyridines, melamine class, isocyanates, preferably nitrogen pyridine
Class.
Bottom is additionally provided in the another side of substrate backing layer.
The antistatic agent is lithium salts antistatic agent class.
A kind of Medical film chip base preparation method: by polyester slice melting extrusion to slab roller, cooling obtains polyester base
Film, polyester base film are coated with backing layer coating fluid after longitudinal stretching, on its surface online, cross directional stretch again after preheating, through thermal finalization,
Winding, obtains Medical film chip base, wherein cross directional stretch ratio is 3.5~4.5 times, and longitudinal stretching ratio is 3.5~4.5 times.
A kind of Medical film is equipped with bottom and imaging layer on above-mentioned Medical film chip base.
The invention has the following beneficial effects:
1, the backing layer of the backing layer of relatively traditional Medical film, Medical film provided by the invention passes through longitudinal stretching and painting
Cloth later period online stretch processes stretching in the transverse direction, coating is thinner, and manufacturing cost is cheaper, and comprehensive performance is more excellent.
2, the present invention, by being once coated with, is obtained by being directly coated with backing layer coating fluid in polyester base film preparation process
Backing layer carries out smooth coating process and antistatic coating process without subsequent again, simplifies production technology.
3, the present invention is preferably constituted, material type, backing layer thickness, backing layer particle additive amount, back by optimization backing layer formula
The type and size of layer particle so that backing layer coating is completed and by after stretching horizontally, still with it is excellent cross machine performance and
Antistatic performance, adhesion during film printing, have it is good cross machine, while backing layer coating is thinner, it is good to have
Adhesive force, particle will not be fallen off in later period print procedure, be not easy to damage print head, low in cost, comprehensive performance is more excellent
It is different.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Each label mark in figure are as follows: 1, polyester base film, 2, backing layer.
Specific embodiment
Medical film chip base of the present invention the preparation method comprises the following steps: by polyester slice melting extrusion to slab roller, cooling obtains
Polyester base film, polyester base film are coated with backing layer coating fluid through 3.5~4.5 times of longitudinal stretching, on its surface online, after preheating again laterally
3.5~4.5 times are stretched, through thermal finalization, winding obtains a kind of Medical film chip base.Wherein, backing layer coating fluid is by resin, resists
Electrostatic agent, curing agent, particle, levelling agent and deionized water composition, the particle is made of water-borne wax and silica solution, described aqueous
Wax partial size is 0.01 μm~0.5 μm, and the silica partial size is 0.05 μm~0.5 μm, the weight of the water-borne wax and silica solution
Amount is than being 1:2~1:5.
The basement membrane of Medical film chip base of the present invention is preferably polyester (polyethylene terephthalate), and polyester base film has
Excellent surface flatness, mechanical strength, temperature tolerance and weatherability.Since the use process of Medical film needs film to have one
Fixed stiffness, if the thickness of substrate is excessively thin, stiffness decline influences the use in later period；If the thickness of substrate is blocked up, one
Aspect increases cost, the optical property of Medical film is on the other hand reduced, so the thickness of substrate generally chooses 150 μm~300 μ
m。
The size of the partial size for the particle that the thickness of the backing layer of Medical film chip base of the present invention needs to be used in combination, on the one hand not
Can be too thin, it be easy to cause falling off for particle；On the other hand cannot be too thick, cause particle is convex not come out, to influence the mistake of film
Machine performance, while being also unfavorable for the control of cost, so the thickness of backing layer is preferably 0.1~0.8 μm.
The backing layer coating fluid of Medical film chip base of the present invention by resin, curing agent, particle, antistatic agent, levelling agent and is gone
Ionized water composition, the weight percent of each raw material are as follows:
The present invention is salts antistatic agent with antistatic agent, although conducting polymer antistatic agent class is better performances
A kind of antistatic agent, after 3 times of cross directional stretch, there are many antistatic property decaying, reach certain antistatic if necessary
Performance needs to improve the usage amount of conducting polymer antistatic agent, increases cost；Use other antistatic agents, such as both sexes
Similarly there are these problems in antistatic agent, anionic antistatic agent, non-ionic antistatic agent class；But lithium salts resist it is quiet
Electric agent class is passed through after cross directional stretch, not only has preferable antistatic property, but also opposite additive amount is lower, and cost is relatively low,
It finally takes the factor of cost and performance into consideration, selects lithium salts antistatic agent class.
Backing layer of the present invention is organic silicon with levelling agent.
Backing layer of the present invention is made of with particle water-borne wax and silica solution, due to crossing the pass that machine is Medical film backing layer
Key performance indicator crosses machine to need to select large-sized particle to be formed on the surface of Medical film convex generally for reaching certain
It rises, so that surface has certain roughness, achieved the purpose that machine adhesion, still, large-sized selection be easy to cause portion
The risk that gradation falls off in Medical film print procedure is easy to damage print head, avoids big particle in the present invention
Selection, addition water-borne wax is as particle, since water-borne wax has the characteristics that increase the smooth performance in Medical film surface, so that medical
Film printing process will not generate adhesion, but only add water-borne wax, be easy to cause Medical film surface too smooth and cause
Winding is difficult, be easy string side, so the silica sol particle of collocation small particle improves surface roughness and winding performance.Wherein,
Water-borne wax partial size is 0.01 μm~0.5 μm, and the silica partial size is 0.05 μm~0.5 μm, the water-borne wax and silica solution
Weight ratio be 1:2~1:5.
Backing layer of the present invention is one or more of polyurethanes, polyacrylate, polyesters, preferably poly- ammonia with resin
Esters.
Backing layer of the present invention is one or more of nitrogen pyridines, melamine class, isocyanates with curing agent, preferably
Nitrogen pyridines.
A kind of another side of Medical film chip base backing layer of the present invention is additionally provided with bottom, and bottom is by bottom coating fluid heat cure
Bottom is formed in the one side of substrate, bottom coating fluid is made of adhesive, curing agent, auxiliary agent and solvent, passes through what is be coated with online
Mode is uniformly coated on the surface of substrate, and 3.5~4.5 times of cross directional stretch are wound through thermal finalization again after preheating, forms bottom.Bottom
The purpose of layer is in order to enable having better cohesive force between imaging of medical layer and chip base, thus not easily to fall off.
A kind of bottom surface of Medical film chip base of the present invention is equipped with imaging of medical layer, and imaging of medical layer is by thermo colour
The surface of bottom is uniformly coated on by way of being coated with offline, by 70~100 DEG C of baking oven, 2min, which is dried, is made imaging of medical
Layer.
Polyester base film of the invention is all-transparent or milky or blue.
The present invention will be further explained with reference to the examples below:
Embodiment 1
The preparation of backing layer coating fluid:
0.6g lithium salts (trade mark 919-16-4, Guangzhou Su Nuo Chemical Co., Ltd.) is first slowly added into 83g deionization
In water, it is slowly added to 10g polyurethane (trade mark 901, Xiamen Li get Wei Chemical Co., Ltd.) after several minutes of stirring, continues to stir
It is slowly added to 1.0g nitrogen pyridine (trade mark LF-8500, Fu Neng resin Co., Ltd, Linan City) after several minutes, continues to stir several points
1.5g water-borne wax (trade mark NA126, Ai Dehan Chemical Co., Ltd., Quzhou City) and the 3.5g silica solution (trade mark are slowly added to after clock
For 112926-00-8, Xinghua City Condar auxiliary reagent factory), being slowly added to 0.4g organosilicon after continuing several minutes of stirring, (trade mark is
1111, the upper easy Chemical Co., Ltd. of sea light), finally stir and backing layer coating fluid be made after ten minutes.
The preparation of bottom coating fluid:
86.7g deionized water is first slowly added into 8g styrene-butadiene latex, and (trade mark F0603, Shenzhen's Jitian's chemical industry are limited
Company) in, 4g polyurethane (trade mark PU-2960, three liters of Shunde District, Foshan City limited public affairs of trade are slowly added to after several minutes of stirring
Department), continue stirring several minutes after be slowly added to 0.4g isocyanates (trade mark OS905, Guangzhou Guan Zhi Chemical Co., Ltd.) and
0.4g epoxy resin (trade mark 1245-542-3, Shanghai You En Chemical Co., Ltd.) is slowly added to after continuing several minutes of stirring
0.5g ionic surface active agent (trade mark OS-405, Guangzhou Guan Zhi Chemical Co., Ltd.), finally stirs and is made after ten minutes
Bottom coating fluid.
The preparation of thermo colour:
By 20g ethyl alcohol, 20g high purity water, 25g benzoic acid lactone compound, 2g polyethylene glycol and 3g melamine high-speed stirring
It is added in 40g poly-vinyl alcohol solution after mixing uniformly and continues to obtain solution A after stirring 10min.By 5g ethyl alcohol, 5g para hydroxybenzene first
B solution is made in acid, 4g aniline, 2g phosphite ester and 6g acrylate copolymer emulsion after mixing evenly；It is molten that solution A is added to B
In liquid, it is stirring evenly and then adding into 8g water-based acrylic resin, continues to stir evenly obtained thermo colour.
By in polyester slice melting extrusion to slab roller, cooling obtains polyester base film, and polyester base film is through 3.5 times of longitudinal stretching
Afterwards, it is coated with backing layer coating fluid and bottom coating fluid online on its surface, 3.5 times of cross directional stretch again after preheating through thermal finalization, are received
Volume, obtains Medical film chip base.Wherein, backing layer with a thickness of 0.1 μm.Then in the surface even spread thermo colour of bottom,
Wet coating amount are as follows: 40~60g/m2, through 70~100 DEG C of baking oven, imaging of medical layer is formed after 2min is dry, finally obtains a kind of medical treatment
Film.
Embodiment 2
The preparation of backing layer coating fluid:
1.5g lithium salts (trade mark 919-16-4, Guangzhou Su Nuo Chemical Co., Ltd.) is first slowly added into 75g deionization
In water, it is slowly added to 15g polyester (trade mark 9002-84-0, Xin Ying commerce and trade Development Co., Ltd, Zhuhai City) after several minutes of stirring,
It is slowly added to 2.0g melamine (trade mark 609E, Shaoxing County Europe is at Chemical Co., Ltd.), continues after continuing several minutes of stirring
2g water-borne wax (trade mark NA126, Ai Dehan Chemical Co., Ltd., Quzhou City) and 4g silica solution are slowly added to after several minutes of stirring
(trade mark 112926-00-8, Xinghua City Condar auxiliary reagent factory) is slowly added to the 0.5g organosilicon (trade mark after continuing several minutes of stirring
It is 33333, Guangzhou Hui Xiang Chemical Co., Ltd.), finally stir and backing layer coating fluid be made after ten minutes.
The preparation of bottom coating fluid:
86.7g deionized water is first slowly added into 8g styrene-butadiene latex, and (trade mark F0603, Shenzhen's Jitian's chemical industry are limited
Company) in, 4g polyurethane (trade mark PU-2960, three liters of Shunde District, Foshan City limited public affairs of trade are slowly added to after several minutes of stirring
Department), continue stirring several minutes after be slowly added to 0.4g isocyanates (trade mark OS905, Guangzhou Guan Zhi Chemical Co., Ltd.) and
0.4g epoxy resin (trade mark 1245-542-3, Shanghai You En Chemical Co., Ltd.) is slowly added to after continuing several minutes of stirring
0.5g ionic surface active agent (trade mark OS-405, Guangzhou Guan Zhi Chemical Co., Ltd.), finally stirs and is made after ten minutes
Bottom coating fluid.
The preparation of thermo colour:
By 20g ethyl alcohol, 20g high purity water, 25g benzoic acid lactone compound, 2g polyethylene glycol and 3g melamine high-speed stirring
It is added in 40g poly-vinyl alcohol solution after mixing uniformly and continues to obtain solution A after stirring 10min.By 5g ethyl alcohol, 5g para hydroxybenzene first
B solution is made in acid, 4g aniline, 2g phosphite ester and 6g acrylate copolymer emulsion after mixing evenly；It is molten that solution A is added to B
In liquid, it is stirring evenly and then adding into 8g water-based acrylic resin, continues to stir evenly obtained thermo colour.
By in polyester slice melting extrusion to slab roller, cooling obtains polyester base film, and polyester base film is through 3.8 times of longitudinal stretching
Afterwards, it is coated with backing layer coating fluid and bottom coating fluid online on its surface, 3.8 times of cross directional stretch again after preheating through thermal finalization, are received
Volume, obtains Medical film chip base.Wherein, backing layer with a thickness of 0.2 μm.Then in the surface even spread thermo colour of bottom,
Wet coating amount are as follows: 40~60g/m2, through 70~100 DEG C of baking oven, imaging of medical layer is formed after 2min is dry, finally obtains a kind of medical treatment
Film.
Embodiment 3
The preparation of backing layer coating fluid:
First by 2.5g lithium salts (trade mark 919-16-4, Guangzhou Su Nuo Chemical Co., Ltd.) be slowly added into 65.9g go from
In sub- water, it is slowly added to 20g polyurethane (trade mark 901, Xiamen Li get Wei Chemical Co., Ltd.) after several minutes of stirring, continues to stir
It is slowly added to 3.0g isocyanates (trade mark 340100009, Hefei Adia Chemical Co., Ltd.) after mixing several minutes, continues to stir
2g water-borne wax (trade mark NA126, Ai Dehan Chemical Co., Ltd., Quzhou City) and 6g silica solution (board are slowly added to after mixing several minutes
Number it is 112926-00-8, Xinghua City Condar auxiliary reagent factory), being slowly added to 0.6g organosilicon after continuing several minutes of stirring, (trade mark is
63148-62-9, Guangzhou Si Luoke Chemical Co., Ltd), it finally stirs and backing layer coating fluid is made after ten minutes.
The preparation of bottom coating fluid:
86.7g deionized water is first slowly added into 8g styrene-butadiene latex, and (trade mark F0603, Shenzhen's Jitian's chemical industry are limited
Company) in, 4g polyurethane (trade mark PU-2960, three liters of Shunde District, Foshan City limited public affairs of trade are slowly added to after several minutes of stirring
Department), continue stirring several minutes after be slowly added to 0.4g isocyanates (trade mark OS905, Guangzhou Guan Zhi Chemical Co., Ltd.) and
0.4g epoxy resin (trade mark 1245-542-3, Shanghai You En Chemical Co., Ltd.) is slowly added to after continuing several minutes of stirring
0.5g ionic surface active agent (trade mark OS-405, Guangzhou Guan Zhi Chemical Co., Ltd.), finally stirs and is made after ten minutes
Bottom coating fluid.
The preparation of thermo colour:
By 20g ethyl alcohol, 20g high purity water, 25g benzoic acid lactone compound, 2g polyethylene glycol and 3g melamine high-speed stirring
It is added in 40g poly-vinyl alcohol solution after mixing uniformly and continues to obtain solution A after stirring 10min.By 5g ethyl alcohol, 5g para hydroxybenzene first
B solution is made in acid, 4g aniline, 2g phosphite ester and 6g acrylate copolymer emulsion after mixing evenly；It is molten that solution A is added to B
In liquid, it is stirring evenly and then adding into 8g water-based acrylic resin, continues to stir evenly obtained thermo colour.
By in polyester slice melting extrusion to slab roller, cooling obtains polyester base film, and polyester base film is through 4.0 times of longitudinal stretching
Afterwards, it is coated with backing layer coating fluid and bottom coating fluid online on its surface, 4.0 times of cross directional stretch again after preheating through thermal finalization, are received
Volume, obtains Medical film chip base.Wherein, backing layer with a thickness of 0.4 μm.Then in the surface even spread thermo colour of bottom,
Wet coating amount are as follows: 40~60g/m2, through 70~100 DEG C of baking oven, imaging of medical layer is formed after 2min is dry, finally obtains a kind of medical treatment
Film.
Embodiment 4
The preparation of backing layer coating fluid:
First by 3.5g lithium salts (trade mark 919-16-4, Guangzhou Su Nuo Chemical Co., Ltd.) be slowly added into 54.7g go from
In sub- water, it is slowly added to 25g polyurethane (trade mark 901, Xiamen Li get Wei Chemical Co., Ltd.) after several minutes of stirring, continues to stir
It is slowly added to 4.0g nitrogen pyridine (trade mark LF-8500, Fu Neng resin Co., Ltd, Linan City) after mixing several minutes, continues to stir number
2g water-borne wax (trade mark NA126, Ai Dehan Chemical Co., Ltd., Quzhou City) and the 10g silica solution (trade mark are slowly added to after minute
For 112926-00-8, Xinghua City Condar auxiliary reagent factory), being slowly added to 0.8g organosilicon after continuing several minutes of stirring, (trade mark is
1111, the upper easy Chemical Co., Ltd. of sea light), finally stir and backing layer coating fluid be made after ten minutes.
The preparation of bottom coating fluid:
86.7g deionized water is first slowly added into 8g styrene-butadiene latex, and (trade mark F0603, Shenzhen's Jitian's chemical industry are limited
Company) in, 4g polyurethane (trade mark PU-2960, three liters of Shunde District, Foshan City limited public affairs of trade are slowly added to after several minutes of stirring
Department), continue stirring several minutes after be slowly added to 0.4g isocyanates (trade mark OS905, Guangzhou Guan Zhi Chemical Co., Ltd.) and
0.4g epoxy resin (trade mark 1245-542-3, Shanghai You En Chemical Co., Ltd.) is slowly added to after continuing several minutes of stirring
0.5g ionic surface active agent (trade mark OS-405, Guangzhou Guan Zhi Chemical Co., Ltd.), finally stirs and is made after ten minutes
Bottom coating fluid.
The preparation of thermo colour:
By 20g ethyl alcohol, 20g high purity water, 25g benzoic acid lactone compound, 2g polyethylene glycol and 3g melamine high-speed stirring
It is added in 40g poly-vinyl alcohol solution after mixing uniformly and continues to obtain solution A after stirring 10min.By 5g ethyl alcohol, 5g para hydroxybenzene first
B solution is made in acid, 4g aniline, 2g phosphite ester and 6g acrylate copolymer emulsion after mixing evenly；It is molten that solution A is added to B
In liquid, it is stirring evenly and then adding into 8g water-based acrylic resin, continues to stir evenly obtained thermo colour.
By in polyester slice melting extrusion to slab roller, cooling obtains polyester base film, and polyester base film is through 4.2 times of longitudinal stretching
Afterwards, it is coated with backing layer coating fluid and bottom coating fluid online on its surface, 4.2 times of cross directional stretch again after preheating through thermal finalization, are received
Volume, obtains Medical film chip base.Wherein, backing layer with a thickness of 0.6 μm.Then in the surface even spread thermo colour of bottom,
Wet coating amount are as follows: 40~60g/m2, through 70~100 DEG C of baking oven, imaging of medical layer is formed after 2min is dry, finally obtains a kind of medical treatment
Film.
Embodiment 5
The preparation of backing layer coating fluid:
5g lithium salts (trade mark 919-16-4, Guangzhou Su Nuo Chemical Co., Ltd.) is first slowly added into 39g deionized water
In, it is slowly added to 35g polyacrylate (trade mark LDM192, Shanghai Mo Tian Chemical Co., Ltd.), continues after several minutes of stirring
It is slowly added to 5.0g melamine (trade mark 609E, Shaoxing County Europe is at Chemical Co., Ltd.) after several minutes of stirring, continues to stir
3g water-borne wax (trade mark NA126, Ai Dehan Chemical Co., Ltd., Quzhou City) and 12g silica solution (board are slowly added to after several minutes
Number it is 112926-00-8, Xinghua City Condar auxiliary reagent factory), being slowly added to 1.0g organosilicon after continuing several minutes of stirring, (trade mark is
63148-62-9, Guangzhou Si Luoke Chemical Co., Ltd), it finally stirs and backing layer coating fluid is made after ten minutes.
The preparation of bottom coating fluid:
86.7g deionized water is first slowly added into 8g styrene-butadiene latex, and (trade mark F0603, Shenzhen's Jitian's chemical industry are limited
Company) in, 4g polyurethane (trade mark PU-2960, three liters of Shunde District, Foshan City limited public affairs of trade are slowly added to after several minutes of stirring
Department), continue stirring several minutes after be slowly added to 0.4g isocyanates (trade mark OS905, Guangzhou Guan Zhi Chemical Co., Ltd.) and
0.4g epoxy resin (trade mark 1245-542-3, Shanghai You En Chemical Co., Ltd.) is slowly added to after continuing several minutes of stirring
0.5g ionic surface active agent (trade mark OS-405, Guangzhou Guan Zhi Chemical Co., Ltd.), finally stirs and is made after ten minutes
Bottom coating fluid.
The preparation of thermo colour:
By 20g ethyl alcohol, 20g high purity water, 25g benzoic acid lactone compound, 2g polyethylene glycol and 3g melamine high-speed stirring
It is added in 40g poly-vinyl alcohol solution after mixing uniformly and continues to obtain solution A after stirring 10min.By 5g ethyl alcohol, 5g para hydroxybenzene first
B solution is made in acid, 4g aniline, 2g phosphite ester and 6g acrylate copolymer emulsion after mixing evenly；It is molten that solution A is added to B
In liquid, it is stirring evenly and then adding into 8g water-based acrylic resin, continues to stir evenly obtained thermo colour.
By in polyester slice melting extrusion to slab roller, cooling obtains polyester base film, and polyester base film is through 4.5 times of longitudinal stretching
Afterwards, it is coated with backing layer coating fluid and bottom coating fluid online on its surface, 4.5 times of cross directional stretch again after preheating through thermal finalization, are received
Volume, obtains Medical film chip base.Wherein, backing layer with a thickness of 0.8 μm.Then in the surface even spread thermo colour of bottom,
Wet coating amount are as follows: 40~60g/m2, through 70~100 DEG C of baking oven, imaging of medical layer is formed after 2min is dry, finally obtains a kind of medical treatment
Film.
Comparative example 1
First by backing layer coating fluid 1 on the market, backing layer coating fluid is by resin, antistatic agent, curing agent, particle and organic
Solvent composition, wherein the range of the partial size selection of particle is uniformly coated on film at 4 μm~8 μm by way of being coated with offline
The surface of support, by UV solidification, finally obtained Medical film chip base, coating are dry 4 μm thick.
Comparative example 2
First by backing layer coating fluid 2 on the market, backing layer coating fluid is by resin, antistatic agent, curing agent, particle and water group
At wherein the range of the partial size selection of particle is uniformly coated on film support at 1 μm~3 μm by way of being coated with online
Surface, be made Medical film chip base by heat cure, coating is dry 1.5 μm thick.
Properties test method is as follows:
(1) backing layer resistance value test method: GB/T1410-2006；
(2) backing layer crosses machine test method: in film printing, crossing machine adhesion is then zero, adhesion is then ×；
(3) backing layer thickness testing method: GB/T6672-2001；
(4) backing layer adhesion test method: being then zero without particle obscission in film printing, has some particles de-
Fall then for ×.
Table 1
| Performance | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 1 | Comparative example 2 |
| Backing layer resistance value | 109 | 109 | 108 | 108 | 108 | 109 | 109 |
| Cross machine | ○ | ○ | ○ | ○ | ○ | × | ○ |
| Coating layer thickness (μm) | 0.1 | 0.2 | 0.4 | 0.6 | 0.8 | 4 | 1.5 |
| Backing layer adhesive force | ○ | ○ | ○ | ○ | ○ | × | × |
Having excellent antistatic performance from can be seen that the Medical film chip base in the present invention in above table (1)
Under the premise of crossing machine performance, coating is thinner, has excellent backing layer adhesive force, so that particle is not susceptible in print procedure
It falls off, print head will not be damaged, comprehensive performance is more excellent.
Claims (8)
1. a kind of Medical film chip base, which is characterized in that contain resin, antistatic agent, solidification in the coated on one side solidification of substrate
Agent, particle, levelling agent and deionized water backing layer coating fluid form backing layer, the particle is made of water-borne wax and silica solution, institute
Stating water-borne wax partial size is 0.01 μm~0.5 μm, and the main component of the silica solution is silica, and the silica partial size is
0.05 μm~0.5 μm, the weight ratio of the water-borne wax and silica solution is 1:2~1:5；The weight percent of each raw material of backing layer coating fluid
Than as follows:
Resin 10%~35%
Curing agent 1%~5%
Particle 5%~15%
Levelling agent 0.4%~1%
Antistatic agent 0.6%~5%
Deionized water 39%~83%.
2. Medical film chip base according to claim 1, which is characterized in that the backing layer is with a thickness of 0.1 μm~0.8 μm.
3. Medical film chip base according to claim 2, which is characterized in that the resin is polyurethanes, polypropylene
One or more of esters of gallic acid or polyesters.
4. Medical film chip base according to claim 3, which is characterized in that the curing agent is nitrogen pyridines, melamine
One or more of amine or isocyanates.
5. Medical film chip base according to claim 1, which is characterized in that be additionally provided with bottom in the another side of substrate backing layer
Layer, bottom are that the another side by the heat cure of bottom coating fluid in substrate forms bottom.
6. Medical film chip base according to claim 5, which is characterized in that the antistatic agent is lithium salts antistatic agent
Class.
7. a kind of method for preparing the Medical film chip base as described in claim any one of 1-6, which is characterized in that by polyester slice
In melting extrusion to slab roller, cooling obtains polyester base film, and polyester base film is coated with backing layer after longitudinal stretching, on its surface online
Coating fluid, cross directional stretch winds through thermal finalization, obtains Medical film chip base again after preheating, wherein cross directional stretch ratio is 3.5
~4.5 times, longitudinal stretching ratio is 3.5~4.5 times.
8. a kind of Medical film, which is characterized in that be equipped on described in any item Medical film chip bases of claim 1-6
Bottom and imaging layer.
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| CN108192121B (en) * | 2017-12-14 | 2021-05-28 | 合肥乐凯科技产业有限公司 | Anti-static film |
| CN109613797B (en) * | 2018-11-07 | 2023-07-04 | 天津市康华健晔医用材料有限公司 | Dental film |
| CN110000071A (en) * | 2019-04-10 | 2019-07-12 | 天津市康华健晔医用材料有限公司 | A kind of production technology of X-ray film |
| CN114835938A (en) * | 2022-06-08 | 2022-08-02 | 乐凯医疗科技有限公司 | Polyester film base for medical dry film and preparation method thereof |
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