CN106590183B - A kind of medical film chip base and application thereof - Google Patents
A kind of medical film chip base and application thereof Download PDFInfo
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- CN106590183B CN106590183B CN201611228794.2A CN201611228794A CN106590183B CN 106590183 B CN106590183 B CN 106590183B CN 201611228794 A CN201611228794 A CN 201611228794A CN 106590183 B CN106590183 B CN 106590183B
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- medical film
- film chip
- medical
- coating fluid
- chip base
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D109/00—Coating compositions based on homopolymers or copolymers of conjugated diene hydrocarbons
- C09D109/06—Copolymers with styrene
- C09D109/08—Latex
-
- 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
-
- 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
- B41M5/5263—Macromolecular coatings characterised by the use of polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- B41M5/5272—Polyesters; Polycarbonates
-
- 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
- B41M5/5263—Macromolecular coatings characterised by the use of polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- B41M5/5281—Polyurethanes or polyureas
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D129/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
- C09D129/02—Homopolymers or copolymers of unsaturated alcohols
- C09D129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/26—Thermosensitive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The present invention provides a kind of medical film chip bases and application thereof, the heat cure of bottom coating fluid are formed bottom in the one side of base material, bottom coating fluid contains the component of following weight percent composition:Adhesive 12%~45%, curing agent 0.8%~4%, surface active agent 0.5%~1%, deionized water 50%~86.7%, described adhesive is made of polyurethane and styrene-butadiene latex, and the weight ratio of polyurethane and styrene-butadiene latex is 1:5~1:2;The curing agent is made of epoxy resin and isocyanates, and the weight ratio of the epoxy resin and isocyanates is 1:3~1:1.For the bottom of medical film of the present invention under the premise of ensureing to have excellent adhesion to medical imaging layer, the underlayer thickness of the medical film is thinner, simple production process, saves raw material.
Description
Technical field
The present invention relates to field of medical article technology, more particularly to a kind of bottom of medical film.
Background technology
With rapid economic development, human medical's level is continuously improved, in the market to the demand of medical film also by
Year increases.The photosensitive medical film of traditional silver halide is easily influenced by outside environmental elements, blackening due to long oxidation, preserves difficulty
Greatly, and the imaging process of film needs to machine by developing fixing, and film generates waste liquid during developing fixing, dirty
Contaminate environment.Novel dry medical film need not be then a kind of as conventional medical film by development and fixing solution processing
The medical film being imaged by the processing method novel digital of temperature-sensitive, laser or inkjet printing.Process environmental protection is convenient, at
As clear.
Novel dry medical film includes chip base, bottom, imaging of medical layer, backing layer.Between imaging of medical layer and chip base
Connection it is extremely important, otherwise imaging layer is easy to fall off.It is exactly in order to enable doctor in the purpose for doing bottom on one side of polyester film base
Treating has better cohesive force between imaging layer and chip base, to not easily to fall off.Currently, being asked existing for novel dry medical film
Topic is that the cohesive force between chip base and imaging of medical layer is poor, there are problems that part imaging layer falls off;In addition, medical dry glue
Piece environment-friendly type, lightweight and reduce cost requirement it is increasingly notable, so on the premise of ensuring performance, coating is thinner, cost
It is lower to be also very important research direction.
Invention content
The object of the present invention is to provide a kind of medical film chip bases and application thereof, by controlling production technology and coating formula
Optimization keep underlayer thickness thinner, cost is cheaper under the premise of ensureing chip base and imaging of medical layer adhesive force is good.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of medical film chip base, the one side by the heat cure of bottom coating fluid in base material form bottom, and bottom coating fluid contains
The component being made of following weight percent:
Above-mentioned medical film chip base, described adhesive are made of polyurethane and styrene-butadiene latex, polyurethane and styrene-butadiene latex
Weight ratio is 1:5~1:2;The curing agent is made of epoxy resin and isocyanates, the epoxy resin and isocyanates
Weight ratio is 1:3~1:1.
Above-mentioned medical film chip base, the underlayer thickness are 0.05~0.1 μm.
The weight ratio of above-mentioned medical film chip base, the polyurethane and styrene-butadiene latex is preferably 1:3~1:4.
The weight ratio of above-mentioned medical film chip base, the epoxy resin and isocyanates is preferably 1:2~1:2.5.
Above-mentioned medical film chip base, the surface active agent are that ionic surface active agent or non-ionic surface soak
Agent.
A kind of preparation method of medical film chip base:By in polyester slice melting extrusion to slab roller, cooling obtains polyester
Basement membrane, polyester base film is after longitudinal stretching, and in the online barrier coating coating fluid in its surface, cross directional stretch again after preheating is fixed through heat
Type, 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.
The bottom of above-mentioned medical film chip base is equipped with imaging layer, in another side by a kind of purposes of medical film chip base
Equipped with backing layer.
The present invention has the beneficial effect that:
1, the bottom of the bottom of relatively traditional medical film, medical film provided by the invention passes through longitudinal stretching and painting
Cloth later stage online stretch processes stretching in the transverse direction, coating is thinner, can reduce the consumption of raw material.
2, the present invention is by optimize technique and bottom formula, preferably the type of adhesive and composition, curing agent composition and
Type and underlayer thickness so that bottom coating is completed simultaneously by after stretching horizontally, is still had to imaging of medical layer excellent attached
Put forth effort, saves raw material.
Description of the drawings
Fig. 1 is the fabric schematic diagram of medical film of the present invention.
Each label is denoted as in figure:1, polyester base film, 2, bottom.
Specific implementation mode
Chip base preparation method of the present invention is:By in polyester slice melting extrusion to slab roller, cooling obtains polyester base film, gathers
Ester group film is after 3.5~4.5 times of longitudinal stretching, in its surface barrier coating coating fluid, cross directional stretch 3.5~4.5 again after preheating
Times, through thermal finalization, winding obtains a kind of bottom of medical film.Wherein bottom coating fluid is by adhesive, curing agent, surface
Wetting agent and deionized water composition, described adhesive are made of styrene-butadiene latex and polyurethane, the polyurethane and styrene-butadiene latex
Weight ratio be 1:2~1:5;The curing agent is made of epoxy resin and isocyanates, weight ratio 1:1~1:3.
Base material of the present invention is preferably polyester (polyethylene terephthalate), and polyester base film has excellent surface smooth
Property, mechanical strength, temperature tolerance and weatherability.Film is needed to have certain deflection using process due to medical film, such as
The thickness of fruit base material is excessively thin, then deflection declines, influences the use in later stage;If the thickness of base material is blocked up, on the one hand it is added to
This, on the other hand reduces the optical property of medical film, so the thickness of base material generally chooses 150 μm~300 μm.
Underlayer thickness of the present invention on the one hand cannot be too thin, and the adhesive force for be easy to causeing bottom and imaging of medical layer is bad;Separately
On the one hand cannot be too thick, it is unfavorable for the control of cost.So the thickness of bottom is preferably 0.05~0.1 μm.
Bottom coating fluid of the present invention is made of adhesive, curing agent, surface active agent and deionized water, the weight of each raw material
Percentage is as follows:
Invention adhesives are the mixed adhesive of polyurethanes and styrene-butadiene latex class.Although adhesive on the market has poly-
Bottom painting is made in urethane class, polyacrylate, epoxy resin, polyvinyl alcohol, gelatin class and styrene-butadiene latex class etc.
After the preheating of cloth liquid after cross directional stretch, using thermal finalization and winding, the adhesive force of obtained bottom to imaging of medical layer
It substantially reduces;But the mixed adhesive of styrene-butadiene latex and polyurethane is used, and when the weight ratio of polyurethane and styrene-butadiene latex
It is 1:2~1:When 5, after cross directional stretch, using thermal finalization and winding, the attachment of obtained bottom to imaging of medical layer
Power greatly improves, and the weight ratio of polyurethane and styrene-butadiene latex is preferably 1:3~1:4.
Curing agent of the present invention is the mixed curing agent of epoxy resin and isocyanates.Although curing agent on the market has
Nitrogen pyridines, oxazoline class, epoxy resin, isocyanates, melamine class etc., be made bottom coating fluid preheating after by
After cross directional stretch, using thermal finalization and winding, obtained bottom substantially reduces the adhesive force of imaging of medical layer;But make
With the mixed adhesive of epoxy resin and isocyanates, and when the weight ratio of epoxy resin and isocyanates is 1:1~
1:When 3, after cross directional stretch, using thermal finalization and winding, obtained bottom to the adhesive force of imaging of medical layer significantly
It improves, the weight ratio of epoxy resin and isocyanates is preferably 1:2~1:2.5.
The bottom surface active agent of the present invention can be that ionic surface active agent or non-ionic surface soak
Agent.Surface active agent can help bottom coating solution process preferably to be sprawled on polyester base material surface, but if
Content is too low, coating fluid can be made to be sprawled in substrate surface ineffective, and bottom can be caused big to the adhesive force of imaging of medical layer
It is big to decline;If too high levels, the contact area of adhesive and imaging of medical layer in bottom can be caused to reduce, reduce bottom pair
The adhesive force of imaging of medical layer, so the content of surface active agent is preferably 0.5%~1%.
The another side of the piece basal layer of the present invention is equipped with backing layer, and backing layer is the another side that backing layer coating fluid is solidificated in base material
Form backing layer.Backing layer coating fluid is made of resin, curing agent, auxiliary agent, antistatic agent and solvent, will by way of being coated with online
Backing layer coating fluid is uniformly coated on a kind of another side of medical film piece basal layer, 3.5~4.5 times of cross directional stretch again after preheating,
Through thermal finalization, winding forms backing layer.
The bottom surface of the present invention is equipped with imaging of medical layer, and imaging of medical layer is the side by being coated with offline by thermo colour
Formula is uniformly coated on the surface of bottom, and by 70~100 DEG C of baking oven, imaging of medical layer is made in 2min drying.
The polyester base film of the present invention is all-transparent or milky or blue.
With reference to embodiment, the present invention is described further:
Embodiment 1
It is prepared by bottom coating fluid:
86.7g deionized waters are first slowly added into 8g styrene-butadiene latexes, and (trade mark F0603, Shenzhen's Jitian's chemical industry are limited
Company) in, it is slowly added to 4g polyurethane (trade mark PU-2960, three liters of Shunde District of Foshan City limited public affairs of trade after stirring several minutes
Department), continue stirring several minutes after be slowly added to 0.4g isocyanates (trade mark OS905, Guangzhou Guan Zhi Chemical Co., Ltd.s) and
0.4g epoxy resin (trade mark 1245-542-3, Shanghai You En Chemical Co., Ltd.s) continues to be slowly added to after stirring several minutes
0.5g ionics surface active agent (trade mark OS-405, Guangzhou Guan Zhi Chemical Co., Ltd.s), finally stirs and is made after ten minutes
Bottom coating fluid.
It is prepared by backing layer coating fluid:
0.6g lithium salts (trade mark 919-16-4, Guangzhou Su Nuo Chemical Co., Ltd.s) is first slowly added into 83g deionizations
In water, it is slowly added to 10g polyurethane (trade mark 901, Xiamen Li get Wei Chemical Co., Ltd.s) after stirring several minutes, continues to stir
It is slowly added to 1.0g nitrogen pyridine (trade mark LF-8500, Fu Neng resins Co., Ltd of Linan City) after several minutes, continues to stir several points
1.5g water-borne wax (trade mark NA126, Ai Dehan Chemical Co., Ltd.s of Quzhou City) and the 3.5g Ludox (trades mark are slowly added to after clock
For 112926-00-8, Xinghua City Condar auxiliary reagent factory), continue to be slowly added to 0.4g organosilicons after several minutes of stirring that (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 thermo colour:
By 20g ethyl alcohol, 20g high purity waters, 25g benzoic acid lactone compound, 2g polyethylene glycol and 3g melamine high-speed stirrings
It is added in 40g poly-vinyl alcohol solutions after mixing uniformly and continues to obtain solution A after stirring 10min.By 5g ethyl alcohol, 5g para hydroxybenzene first
B solution is made after stirring evenly in acid, 4g aniline, 2g phosphite esters and 6g acrylate copolymer emulsions;It is molten that solution A is added to B
In liquid, 8g water-based acrylic resins are stirring evenly and then adding into, continue to stir evenly obtained thermo colour.
Cooling to obtain polyester base film by polyester slice melting extrusion to slab roller, polyester base film is through 3.5 times of longitudinal stretching
Afterwards, in the online barrier coating coating fluid in its surface and backing layer coating fluid, 3.5 times of cross directional stretch again after preheating through thermal finalization, are received
Volume, obtains medical film chip base.Wherein, the thickness of bottom is 0.05 μm.Then in the surface even spread thermo colour of bottom,
Wet coating amount is:40~60g/m2, through 70~100 DEG C of baking oven, imaging of medical layer is formed after 2min dryings, is finally obtained a kind of medical
Film.
Embodiment 2
The preparation of bottom coating fluid:
82.4g deionized waters are first slowly added into 12g styrene-butadiene latexes, and (trade mark F0603, Shenzhen's Jitian's chemical industry are limited
Company) in, it is slowly added to 4g polyurethane (trade mark PU-2960, three liters of Shunde District of Foshan City limited public affairs of trade after stirring several minutes
Department), continue stirring several minutes after be slowly added to 0.6g isocyanates (trade mark OS905, Guangzhou Guan Zhi Chemical Co., Ltd.s) and
0.4g epoxy resin (trade mark 1245-542-3, Shanghai You En Chemical Co., Ltd.s) continues to be slowly added to after stirring several minutes
0.6g ionics surface active agent (trade mark FES-993, Guangzhou Kai Shi Chemical Co., Ltd.s), finally stirs and makes after ten minutes
Obtain bottom coating fluid.
It is prepared by backing layer coating fluid:
0.6g lithium salts (trade mark 919-16-4, Guangzhou Su Nuo Chemical Co., Ltd.s) is first slowly added into 83g deionizations
In water, it is slowly added to 10g polyurethane (trade mark 901, Xiamen Li get Wei Chemical Co., Ltd.s) after stirring several minutes, continues to stir
It is slowly added to 1.0g nitrogen pyridine (trade mark LF-8500, Fu Neng resins Co., Ltd of Linan City) after several minutes, continues to stir several points
1.5g water-borne wax (trade mark NA126, Ai Dehan Chemical Co., Ltd.s of Quzhou City) and the 3.5g Ludox (trades mark are slowly added to after clock
For 112926-00-8, Xinghua City Condar auxiliary reagent factory), continue to be slowly added to 0.4g organosilicons after several minutes of stirring that (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 thermo colour:
By 20g ethyl alcohol, 20g high purity waters, 25g benzoic acid lactone compound, 2g polyethylene glycol and 3g melamine high-speed stirrings
It is added in 40g poly-vinyl alcohol solutions after mixing uniformly and continues to obtain solution A after stirring 10min.By 5g ethyl alcohol, 5g para hydroxybenzene first
B solution is made after stirring evenly in acid, 4g aniline, 2g phosphite esters and 6g acrylate copolymer emulsions;It is molten that solution A is added to B
In liquid, 8g water-based acrylic resins are stirring evenly and then adding into, continue to stir evenly obtained thermo colour.
Cooling to obtain polyester base film by polyester slice melting extrusion to slab roller, polyester base film is through 3.8 times of longitudinal stretching
Afterwards, in the online barrier coating coating fluid in its surface and backing layer coating fluid, 3.8 times of cross directional stretch again after preheating through thermal finalization, are received
Volume, obtains medical film chip base.Wherein, the thickness of bottom is 0.07 μm.Then in the surface even spread thermo colour of bottom,
Wet coating amount is:40~60g/m2, through 70~100 DEG C of baking oven, imaging of medical layer is formed after 2min dryings, is finally obtained a kind of medical
Film.
Embodiment 3
The preparation of bottom coating fluid:
70.8g deionized waters are first slowly added into 21g styrene-butadiene latexes, and (trade mark F0603, Shenzhen's Jitian's chemical industry are limited
Company) in, it is slowly added to 6g polyurethane (trade mark PU-2960, three liters of Shunde District of Foshan City limited public affairs of trade after stirring several minutes
Department), continue stirring several minutes after be slowly added to 1.0g isocyanates (trade mark OS905, Guangzhou Guan Zhi Chemical Co., Ltd.s) and
0.5g epoxy resin (trade mark 1245-542-3, Shanghai You En Chemical Co., Ltd.s) continues to be slowly added to after stirring several minutes
0.7g non-ionic surfaces wetting agent (trade mark FES-993, Guangzhou Kai Shi Chemical Co., Ltd.s), is finally stirred after ten minutes
Bottom coating fluid is made.
It is prepared by backing layer coating fluid:
0.6g lithium salts (trade mark 919-16-4, Guangzhou Su Nuo Chemical Co., Ltd.s) is first slowly added into 83g deionizations
In water, it is slowly added to 10g polyurethane (trade mark 901, Xiamen Li get Wei Chemical Co., Ltd.s) after stirring several minutes, continues to stir
It is slowly added to 1.0g nitrogen pyridine (trade mark LF-8500, Fu Neng resins Co., Ltd of Linan City) after several minutes, continues to stir several points
1.5g water-borne wax (trade mark NA126, Ai Dehan Chemical Co., Ltd.s of Quzhou City) and the 3.5g Ludox (trades mark are slowly added to after clock
For 112926-00-8, Xinghua City Condar auxiliary reagent factory), continue to be slowly added to 0.4g organosilicons after several minutes of stirring that (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 thermo colour:
By 20g ethyl alcohol, 20g high purity waters, 25g benzoic acid lactone compound, 2g polyethylene glycol and 3g melamine high-speed stirrings
It is added in 40g poly-vinyl alcohol solutions after mixing uniformly and continues to obtain solution A after stirring 10min.By 5g ethyl alcohol, 5g para hydroxybenzene first
B solution is made after stirring evenly in acid, 4g aniline, 2g phosphite esters and 6g acrylate copolymer emulsions;It is molten that solution A is added to B
In liquid, 8g water-based acrylic resins are stirring evenly and then adding into, continue to stir evenly obtained thermo colour.
Cooling to obtain polyester base film by polyester slice melting extrusion to slab roller, polyester base film is through 4.0 times of longitudinal stretching
Afterwards, in the online barrier coating coating fluid in its surface and backing layer coating fluid, 4.0 times of cross directional stretch again after preheating through thermal finalization, are received
Volume, obtains medical film chip base.Wherein, the thickness of bottom is 0.08 μm.Then in the surface even spread thermo colour of bottom,
Wet coating amount is:40~60g/m2, through 70~100 DEG C of baking oven, imaging of medical layer is formed after 2min dryings, is finally obtained a kind of medical
Film.
Embodiment 4
The preparation of bottom coating fluid:
60.7g deionized waters are first slowly added into 28g styrene-butadiene latexes, and (trade mark F0603, Shenzhen's Jitian's chemical industry are limited
Company) in, it is slowly added to 7g polyurethane (trade mark PU-2960, three liters of Shunde District of Foshan City limited public affairs of trade after stirring several minutes
Department), continue stirring several minutes after be slowly added to 2.5g isocyanates (trade mark OS905, Guangzhou Guan Zhi Chemical Co., Ltd.s) and
1g epoxy resin (trade mark 1245-542-3, Shanghai You En Chemical Co., Ltd.s) continues to be slowly added to after stirring several minutes
0.8g non-ionic surfaces wetting agent (trade mark FES-993, Guangzhou Kai Shi Chemical Co., Ltd.s), is finally stirred after ten minutes
Bottom coating fluid is made.
It is prepared by backing layer coating fluid:
0.6g lithium salts (trade mark 919-16-4, Guangzhou Su Nuo Chemical Co., Ltd.s) is first slowly added into 83g deionizations
In water, it is slowly added to 10g polyurethane (trade mark 901, Xiamen Li get Wei Chemical Co., Ltd.s) after stirring several minutes, continues to stir
It is slowly added to 1.0g nitrogen pyridine (trade mark LF-8500, Fu Neng resins Co., Ltd of Linan City) after several minutes, continues to stir several points
1.5g water-borne wax (trade mark NA126, Ai Dehan Chemical Co., Ltd.s of Quzhou City) and the 3.5g Ludox (trades mark are slowly added to after clock
For 112926-00-8, Xinghua City Condar auxiliary reagent factory), continue to be slowly added to 0.4g organosilicons after several minutes of stirring that (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 thermo colour:
By 20g ethyl alcohol, 20g high purity waters, 25g benzoic acid lactone compound, 2g polyethylene glycol and 3g melamine high-speed stirrings
It is added in 40g poly-vinyl alcohol solutions after mixing uniformly and continues to obtain solution A after stirring 10min.By 5g ethyl alcohol, 5g para hydroxybenzene first
B solution is made after stirring evenly in acid, 4g aniline, 2g phosphite esters and 6g acrylate copolymer emulsions;It is molten that solution A is added to B
In liquid, 8g water-based acrylic resins are stirring evenly and then adding into, continue to stir evenly obtained thermo colour.
Cooling to obtain polyester base film by polyester slice melting extrusion to slab roller, polyester base film is through 4.2 times of longitudinal stretching
Afterwards, in the online barrier coating coating fluid in its surface and backing layer coating fluid, 4.2 times of cross directional stretch again after preheating through thermal finalization, are received
Volume, obtains medical film chip base.Wherein, the thickness of bottom is 0.09 μm.Then in the surface even spread thermo colour of bottom,
Wet coating amount is:40~60g/m2, through 70~100 DEG C of baking oven, imaging of medical layer is formed after 2min dryings, is finally obtained a kind of medical
Film.
Embodiment 5
The preparation of bottom coating fluid:
50g deionized waters are first slowly added into 37.5g styrene-butadiene latexes, and (trade mark F0603, Shenzhen's Jitian's chemical industry are limited
Company) in, being slowly added to 7.5g polyurethane after stirring several minutes, (trade mark PU-2960, the trade of three liters of Shunde District of Foshan City are limited
Company), continue stirring several minutes after be slowly added to 3g isocyanates (trade mark OS905, Guangzhou Guan Zhi Chemical Co., Ltd.s) and
1g epoxy resin (trade mark 1245-542-3, Shanghai You En Chemical Co., Ltd.s) continues to be slowly added to 1g after stirring several minutes
Surface active agent (trade mark OS-405, Guangzhou Guan Zhi Chemical Co., Ltd.s) finally stirs and bottom coating fluid is made after ten minutes.
It is prepared by backing layer coating fluid:
0.6g lithium salts (trade mark 919-16-4, Guangzhou Su Nuo Chemical Co., Ltd.s) is first slowly added into 83g deionizations
In water, it is slowly added to 10g polyurethane (trade mark 901, Xiamen Li get Wei Chemical Co., Ltd.s) after stirring several minutes, continues to stir
It is slowly added to 1.0g nitrogen pyridine (trade mark LF-8500, Fu Neng resins Co., Ltd of Linan City) after several minutes, continues to stir several points
1.5g water-borne wax (trade mark NA126, Ai Dehan Chemical Co., Ltd.s of Quzhou City) and the 3.5g Ludox (trades mark are slowly added to after clock
For 112926-00-8, Xinghua City Condar auxiliary reagent factory), continue to be slowly added to 0.4g organosilicons after several minutes of stirring that (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 thermo colour:
By 20g ethyl alcohol, 20g high purity waters, 25g benzoic acid lactone compound, 2g polyethylene glycol and 3g melamine high-speed stirrings
It is added in 40g poly-vinyl alcohol solutions after mixing uniformly and continues to obtain solution A after stirring 10min.By 5g ethyl alcohol, 5g para hydroxybenzene first
B solution is made after stirring evenly in acid, 4g aniline, 2g phosphite esters and 6g acrylate copolymer emulsions;It is molten that solution A is added to B
In liquid, 8g water-based acrylic resins are stirring evenly and then adding into, continue to stir evenly obtained thermo colour.
Cooling to obtain polyester base film by polyester slice melting extrusion to slab roller, polyester base film is through 4.5 times of longitudinal stretching
Afterwards, in the online barrier coating coating fluid in its surface and backing layer coating fluid, 4.5 times of cross directional stretch again after preheating through thermal finalization, are received
Volume, obtains medical film chip base.Wherein, the thickness of bottom is 0.1 μm.Then in the surface even spread thermo colour of bottom,
Wet coating amount is:40~60g/m2, through 70~100 DEG C of baking oven, imaging of medical layer is formed after 2min dryings, is finally obtained a kind of medical
Film.
Comparative example 1
First by bottom coating fluid on the market, (bottom coating fluid matches in the patent of 105216472 A of Patent No. CN
Side), bottom coating fluid is uniformly coated on the surface of polyester film by way of being coated with online, cross directional stretch again after preheating, warp
Thermal finalization, winding, obtains medical film chip base.
Properties test method is as follows:
(1) bottom adhesion test method:Testing example round floor to the adhesive force of medical film thermographic layer, with
Rectangular spreader is put into after the imaging layer liquid of 10-20 μm of thickness is applied to the round floor of embodiment polyester film in baking oven, 100
1h is dried under conditions of DEG C, is then taken out print and is carried out final adhesive force test, the method for clicking is graded:
◆:After firmly rubbing print, imaging layer is not fallen off;
◇:After firmly rubbing print, imaging layer slightly falls off;
×:After firmly rubbing print, imaging layer large area falls off;
(2) underlayer thickness test method:GB/T6672-2001;
Table 1
Performance | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 1 |
Bottom adhesive force | ◆ | ◆ | ◆ | ◆ | ◆ | ◇ |
Underlayer thickness (μm) | 0.05 | 0.07 | 0.08 | 0.09 | 0.1 | 0.2 |
As can be seen that the medical film round floor and imaging of medical layer adhesive force of the present invention are excellent from above table (1),
And underlayer thickness is thinner, and simple production process, manufacturing cost is cheaper, and comprehensive performance is more excellent.
Claims (7)
1. a kind of medical film chip base, which is characterized in that the one side by the heat cure of bottom coating fluid in base material forms bottom, bottom
Coating fluid contains the component of following weight percent composition:
Adhesive 12%~45%
Curing agent 0.8%~4%
Surface active agent 0.5%~1%
Deionized water 50%~86.7%
Described adhesive is made of polyurethane and styrene-butadiene latex, and the weight ratio of polyurethane and styrene-butadiene latex is 1:5~1:2;It is described
Curing agent is made of epoxy resin and isocyanates, and the weight ratio of the epoxy resin and isocyanates is 1:3~1:1;
The thickness for forming bottom is 0.05~0.1 μm.
2. medical film chip base according to claim 1, which is characterized in that the weight ratio of the polyurethane and styrene-butadiene latex
It is 1:3~1:4.
3. medical film chip base according to claim 2, which is characterized in that the weight of the epoxy resin and isocyanates
Than being 1:2~1:2.5.
4. medical film chip base according to claim 3, which is characterized in that the surface active agent moistens for ionic surface
Humectant or non-ionic surface wetting agent.
5. medical film chip base according to claim 4, which is characterized in that it is equipped with backing layer in the another side of barrier coating,
Backing layer is the another side formation backing layer that backing layer coating fluid is solidificated in base material.
6. a kind of preparation method of the medical film chip base as described in claim any one of 1-5, which is characterized in that by polyester slice
In melting extrusion to slab roller, cooling obtains polyester base film, and polyester base film is after longitudinal stretching, in the online barrier coating in its surface
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.
7. a kind of purposes of medical film chip base, which is characterized in that use any one of the claim 1-5 medical film chip bases
In medical film, imaging layer is equipped on the bottom of the medical film chip base.
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CN106590183B true CN106590183B (en) | 2018-08-31 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1572532A (en) * | 2003-06-03 | 2005-02-02 | 三星电子株式会社 | Ink-jet recording medium and method of improving moisture resistance of same |
CN1802255A (en) * | 2003-06-09 | 2006-07-12 | 艾利丹尼森公司 | Multilayer film |
CN101104351A (en) * | 2006-07-13 | 2008-01-16 | 三星电子株式会社 | Composition for ink acceptable layer, a recording medium and method for preparing recording medium |
CN105216472A (en) * | 2015-10-30 | 2016-01-06 | 合肥乐凯科技产业有限公司 | A kind of dry type medical film polyester film base |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US20060292318A1 (en) * | 2003-09-03 | 2006-12-28 | Parrinello Luciano M | Water resistant ink jet printable sheet |
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2016
- 2016-12-27 CN CN201611228794.2A patent/CN106590183B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1572532A (en) * | 2003-06-03 | 2005-02-02 | 三星电子株式会社 | Ink-jet recording medium and method of improving moisture resistance of same |
CN1802255A (en) * | 2003-06-09 | 2006-07-12 | 艾利丹尼森公司 | Multilayer film |
CN101104351A (en) * | 2006-07-13 | 2008-01-16 | 三星电子株式会社 | Composition for ink acceptable layer, a recording medium and method for preparing recording medium |
CN105216472A (en) * | 2015-10-30 | 2016-01-06 | 合肥乐凯科技产业有限公司 | A kind of dry type medical film polyester film base |
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