CN109569953A - Membrane material and lithium electrode plate substrate coating waste water method - Google Patents
Membrane material and lithium electrode plate substrate coating waste water method Download PDFInfo
- Publication number
- CN109569953A CN109569953A CN201811534516.9A CN201811534516A CN109569953A CN 109569953 A CN109569953 A CN 109569953A CN 201811534516 A CN201811534516 A CN 201811534516A CN 109569953 A CN109569953 A CN 109569953A
- Authority
- CN
- China
- Prior art keywords
- constant temperature
- electrode plate
- lithium electrode
- membrane material
- plate substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/10—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the liquid or other fluent material being supplied from inside the roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/003—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating incorporating means for heating or cooling the liquid or other fluent material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
A kind of membrane material of disclosure of the invention and lithium electrode plate substrate coating waste water method, including using membrane material and lithium electrode plate substrate as the painting cloth base material of processing object, using slit coating method, the painting cloth base material of coater unit is coated, it is to use constant temperature mirror roller for apparatus for coating, is matched corresponding temperature control equipment in being equipped in coater unit by applying cloth base material and masking liquid；The temperature range for controlling coater unit simultaneously is 20-80 DEG C.Using slit coating method, the painting cloth base material of coater unit is coated, the quality of membrane material and the coating of lithium electrode plate substrate is improved, there is preferable economic benefit.
Description
Technical field:
The present invention relates to a kind of coating waste water method of material, especially a kind of membrane material and lithium electrode plate substrate coating waste water side
Method.
Background technique:
At present in light industry papermaking, membrane material processing, the fields such as lithium electrode piece manufacture, when to the processing of membrane material and lithium electrode sheet material
Coating process, usually use item and stitch extrusion coated processing.Currently, it is multiple that item seam, which squeezes out (Slot-Die Coating) coating,
The important and universal technique of one of condensation material molding, can be made high-accuracy multiple using item seam extrusion (Slot-Die Coating)
Condensation material has excellent stability.The metals membrane material such as Paper Coating, thin-film material coating, copper foil, aluminium foil is coated at present
Etc. being all made of room temperature coating method.Substrate surface completes the process of coating process, on the one hand to meet the physical machine of substrate itself
Tool characteristic keeps stablizing, the mix adhesion strength and cohesive force of another aspect masking liquid itself by surface bonding connection function.And
Item seam, which squeezes out common deficiency in (Slot-Die Coating) coating process, to be had: because substrate surface tension unevenness causes surfacing
Degree not enough, directly results in and applies liquid level unevenness；Because rolled copper foil itself rolls due to repeatedly extending the immersion of oil gas in process,
Cause masking liquid adhesive force insufficient in surface temperature unevenness, causes stripping layering etc. abnormal；Because masking liquid melt index is insufficient, after heat absorption
Low temperature crystallization, blocking item seam coating head cause glue surface wire drawing abnormal.
So-called slit coating, be it is a kind of under a certain pressure, masking liquid is extruded along die gap and is transferred to shifting
It a kind of the features such as coating technique on dynamic substrate, it is fast, painting film uniformity is good, coat window is wide with its coating speed, represents
Wet coating future thrust.The application field of SDC is shifted from conventional film and papermaking etc. to new energy field, especially
Solar battery and electrodes of lithium-ion batteries coating.The application of slit coating
Common coating method has item seam to squeeze out i.e. slit coating (Slot-Die Coating), blade coating (Comma
Coating), the types such as dimple coating (Gravure Coating), wherein what is be most widely used is slit-aperture type coating method,
There are IC, FPC, photoelectricity, the multi industries such as people's livelihood in its application product field.First by a web-like substrate, such as PP, BOPP, PET, PI,
Masking liquid is overlying on substrate by copper foil etc. by apparatus for coating, and drying process removes solvent in masking liquid, finally coils into
Volume, the as use of finished product or semi-finished product.Process key institute under pressure, masking liquid from being squeezed out in gap between upper and lower mould,
Adhesive film is formed between mirror roller moving substrate and is transferred to substrate surface, forms wet film；The formation of glue film is the pass of film forming
Key, in whole process.
But it when for membrane material and lithium electrode plate substrate coating waste water, is directly determined using common coating method and device
The quality of membrane material and lithium electrode sheet material after coating.The principal element of appearance has: die lip cleannes, masking liquid for glue stability,
Surface tension and dry solidification condition of mirror roller substrate etc.；Plant constant temperature mirror roller and its applied to answering in slit-aperture type coating
With, slot coated or cry slit coating at present in light industry papermaking, membrane material processing, the fields such as lithium electrode piece manufacture obtain extensively
Using.
Summary of the invention:
The present invention seeks to provide a kind of membrane material and lithium electrode plate substrate coating waste water method.Including with membrane material and lithium electrode
Plate substrate is that the painting cloth base material of processing object is coated the painting cloth base material of coater unit, is mentioned using slit coating method
The high quality of membrane material and the coating of lithium electrode plate substrate, has preferable economic benefit.
The present invention discloses a kind of membrane material and lithium electrode plate substrate coating waste water method, including with membrane material and lithium electrode piece
Substrate is that the painting cloth base material of processing object is coated the painting cloth base material of coater unit, is using slit coating method
It uses constant temperature mirror roller for apparatus for coating, controls in being equipped in coater unit by applying cloth base material and the masking liquid corresponding temperature that matches
Device；The temperature range for controlling coater unit simultaneously is 20-80 DEG C.
The thermostatic mode of the constant temperature mirror roller is designed using contactless constant temperature, and constant temperature mirror roller is using auxiliary constant temperature system
System carries out temperature control.
The constant temperature mirror roller controls its thermal evenness controlling within the scope of ± 1 DEG C.
The constant temperature mirror roller controls the straightness of its machining accuracy, bounce, concentricity≤0.002mm；Roughness Ra <
0.01。
The auxiliary constant temperature system is controlled using refrigerant cold cycling control mode.
The constant temperature mirror roller is applied to item and stitches coating backing roller, is reached by constant temperature mirror roller and is stitched to substrate, masking liquid and item
Mold carries out constant temperature purpose.
The substrate improves surface tension by package back heating roller, and attaches back flow roll flatness, and guarantee passes through preheating
It is completed in conjunction with masking liquid under substrate constant temperature, heats masking liquid temperature using the radiations heat energy of constant temperature mirror roller.
A kind of membrane material of the present invention and lithium electrode plate substrate coating waste water method, are mainly applied to item for constant temperature mirror roller
In seam coating, it is especially applied in membrane material and lithium electrode plate substrate coating waste water method, uses the above method, base
The process of coating process is completed on material surface, and the physical mechanical characteristic that on the one hand meet substrate itself keeps stablizing, on the other hand
Mix adhesion strength and the cohesive force of masking liquid itself by surface bonding and connection function.The system comprises constant temperature mirror roller applications
Coating backing roller is stitched in item, so that constant temperature substrate is reached by constant temperature mirror roller, the purpose that constant temperature masking liquid and constant temperature slit die have,
Substrate reaches improvement surface tension by package back heating roller, reaches and attaches back flow roll flatness, to guarantee to pass through pre- hot substrate
It is completed in conjunction with masking liquid under constant temperature, constant temperature mirror roller can also promote masking liquid temperature by radiations heat energy, effectively avoid masking liquid
Crystallization Plugging item stitches coating head.
Have from common deficiency in existing item seam extrusion (Slot-Die Coating) coating process is overcome: because of substrate table
Face tension unevenness causes surface smoothness inadequate, directly results in and applies liquid level unevenness；Because rolled copper foil itself is due to the stone roller that repeatedly extends
The immersion for pressing oil gas in process causes masking liquid adhesive force insufficient, causes stripping layering etc. abnormal in surface temperature unevenness；Cause
Masking liquid melt index is insufficient, low temperature crystallization after heat absorption, and blocking item seam coating head causes glue surface wire drawing abnormal.So as to membrane material and
The reduction of lithium electrode piece processing cost plays significant role, generates great economic benefit.
Specific embodiment:
The present invention is described in further detail With reference to embodiment.Substrate described in this specification is membrane material
Or with lithium electrode sheet material.
A kind of membrane material of the present invention and lithium electrode plate substrate coating waste water method, including with membrane material and lithium electrode plate substrate
The painting cloth base material of coater unit is coated using slit coating method for the painting cloth base material of processing object, it is characterized in that
It uses constant temperature mirror roller for apparatus for coating, controls in being equipped in coater unit by applying cloth base material and the masking liquid corresponding temperature that matches
Device；The temperature range for controlling coater unit simultaneously is 20-80 DEG C.
The thermostatic mode of the constant temperature mirror roller is designed using contactless constant temperature, and constant temperature mirror roller is using auxiliary constant temperature system
System carries out temperature control.
The constant temperature mirror roller controls its thermal evenness controlling within the scope of ± 1 DEG C.
The constant temperature mirror roller controls the straightness of its machining accuracy, bounce, concentricity≤0.002mm；Roughness Ra <
0.01。
The auxiliary constant temperature system is controlled using refrigerant cold cycling control mode.
The constant temperature mirror roller is applied to item and stitches coating backing roller, is reached by constant temperature mirror roller and is stitched to substrate, masking liquid and item
Mold carries out constant temperature purpose.
The substrate improves surface tension by package back heating roller, and attaches back flow roll flatness, and guarantee passes through preheating
It is completed in conjunction with masking liquid under substrate constant temperature, heats masking liquid temperature using the radiations heat energy of constant temperature mirror roller.
Coater unit installation requirement carries out accurate temperature setting and control according to the characteristics of substrate and masking liquid.Temperature one
As 20 DEG C of -80 DEG C of of control range
The mirror roller thermostatic mode is the design of contactless constant temperature, and constant temperature mirror roller carries out temperature control by auxiliary constant temperature system
System.
The temperature of the constant temperature mirror roller need to have enough stability, and temperature uniformity should be within the scope of ± 1 DEG C, with true
Protect the quality of processing technology and product.The temperature supplementary controlled system can be refrigerant cold cycling control mode, can also
By be other refrigeration and thermal cycle in a manner of.Constant temperature mirror roller of the present invention need to have enough machining accuracies simultaneously.Its straightness,
Bounce, concentricity≤0.002mm.Roughness Ra 0.01 is at 14 grades of finish.
Embodiment 1
The method that a kind of processing that the embodiment of the present invention provides prepares membrane material, is to prepare high-performance aluminum plastic film, specific
It is the successively structural order from inside to outside including adhesive: cast polypropylene film layer (hot sealing layer)；Acrylic resin glue
Glutinous layer；Aluminium foil layer；Polyurethane adhesive layer；Polyamide laminate film.
In the present embodiment, answer material structure that slot coated mode is used to carry out, aluminium foil adheres to as cloth base material, surface is applied
Acrylic resin adhesive and cast polypropylene film carry out dry laminating, generate aluminum plastic film semi-finished product, adopt during gluing
It is coated with aluminium foil.
Present embodiment is to use constant temperature mirror roller for apparatus for coating, micro- in the high-performance adhesive layer thickness 30 of coater unit
Meter Shang Shu high-performance aluminum plastic film uses dry-forming method, using slot coated mode, opens constant temperature mirror roller and is heated to controlling
The temperature of coater unit is coated in operational process at 60 degrees Celsius, is designed using contactless constant temperature, and aluminium foil thermal coefficient is controlled
230W/m K, on the basis of substrate excellent heating conduction, aluminium foil surface temperature reaches 54 degrees Celsius, and adhesive passes through slit
It squeezes out, radiations heat energy can make glue temperature rise to 48 DEG C degrees Celsius, and constant temperature mirror roller controls its temperature uniformity in ± 1 DEG C of model
In enclosing.And then realize higher coating accuracy, glue surface is without wire drawing, crystal point bad order；Enhance adhesive and aluminium foil bonding force, reaches
Enhancing peel strength effect, the constant temperature mirror roller that the present invention uses is applied compared with the non-heated constant temperature mirror roller of the prior art,
Simplify with technique, work continuously and produce glue-line good appearance, after tested, the present invention uses the application output aluminium of constant temperature mirror roller
Plastic film interlayer peeling force increases to 11.62N/15mm by 7.85N/15mm.
It should be understood that the above above-mentioned technical solution disclosed in this invention, non-to limit it；Although referring to aforementioned
Invention is explained in detail for each embodiment, those skilled in the art should understand that: it still can be to preceding
It states technical solution documented by each embodiment to modify, or some or all of the technical features is equally replaced
It changes；And these are modified or replaceed, the model for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
It encloses, should all cover within the scope of the claims and the description of the invention.
Claims (7)
- It 1. a kind of membrane material and lithium electrode plate substrate coating waste water method, including with membrane material and lithium electrode plate substrate is processing pair The painting cloth base material of elephant is coated the painting cloth base material of coater unit, using slit coating method it is characterized in that using constant temperature Mirror roller is apparatus for coating, is matched corresponding temperature control equipment in being equipped in coater unit by applying cloth base material and masking liquid；Together When control coater unit temperature range be 20-80 DEG C.
- 2. a kind of membrane material according to claim 1 and lithium electrode plate substrate coating waste water method, it is characterized in that the perseverance The thermostatic mode of warm mirror roller is designed using contactless constant temperature, and constant temperature mirror roller carries out temperature control using auxiliary constant temperature system System.
- 3. a kind of membrane material according to claim 1 or 2 and lithium electrode plate substrate coating waste water method, it is characterized in that described Constant temperature mirror roller controls its thermal evenness controlling within the scope of ± 1 DEG C.
- 4. a kind of membrane material according to claim 1 or 2 and lithium electrode plate substrate coating waste water method, it is characterized in that described Constant temperature mirror roller controls the straightness of its machining accuracy, bounce, concentricity≤0.002mm；Roughness Ra < 0.01.
- 5. a kind of membrane material according to claim 2 and lithium electrode plate substrate coating waste water method, it is characterized in that described auxiliary Helping constant temperature system is controlled using refrigerant cold cycling control mode.
- 6. a kind of membrane material according to claim 1 or 2 and lithium electrode plate substrate coating waste water method, it is characterized in that described Constant temperature mirror roller is applied to item and stitches coating backing roller, is reached by constant temperature mirror roller and carries out constant temperature to substrate, masking liquid and a slit die tool Purpose.
- 7. a kind of membrane material according to claim 1 or 2 and lithium electrode plate substrate coating waste water method, it is characterized in that described Substrate improves surface tension by package back heating roller, and attaches back flow roll flatness, and guarantee passes through pre- hot substrate constant temperature Lower completion heats masking liquid temperature in conjunction with masking liquid, using the radiations heat energy of constant temperature mirror roller.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811534516.9A CN109569953A (en) | 2018-12-14 | 2018-12-14 | Membrane material and lithium electrode plate substrate coating waste water method |
| PCT/CN2018/125274 WO2020118793A1 (en) | 2018-12-14 | 2018-12-29 | Method for coating and processing membrane material and lithium electrode sheet base material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811534516.9A CN109569953A (en) | 2018-12-14 | 2018-12-14 | Membrane material and lithium electrode plate substrate coating waste water method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109569953A true CN109569953A (en) | 2019-04-05 |
Family
ID=65928715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811534516.9A Pending CN109569953A (en) | 2018-12-14 | 2018-12-14 | Membrane material and lithium electrode plate substrate coating waste water method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109569953A (en) |
| WO (1) | WO2020118793A1 (en) |
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| US20030194497A1 (en) * | 2002-04-15 | 2003-10-16 | Fuji Photo Film Co., Ltd. | Coating method, coating apparatus, and method and apparatus for manufacturing pattern members using webs on which coating films have been formed by coating method and coating apparatus |
| JP2012003968A (en) * | 2010-06-17 | 2012-01-05 | Nissan Motor Co Ltd | Coating device and method for producing electrode foil |
| CN106269386A (en) * | 2015-05-15 | 2017-01-04 | 伍秋涛 | A kind of apparatus for coating improving solvent-free adhesive levelability and method |
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| CN107150006A (en) * | 2016-03-03 | 2017-09-12 | 罗巴泰克股份公司 | For the apparatus and method being applied to adhesive on substrate |
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| CN108480135A (en) * | 2018-05-24 | 2018-09-04 | 陈鸿奇 | A kind of apparatus for coating of coiled film base material coating |
| CN108772245A (en) * | 2018-07-09 | 2018-11-09 | 广东华粘新材料研究有限公司 | A kind of coating system that vertical bar type slit extrusion die is combined with multiple roll |
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| CN2279962Y (en) * | 1996-12-31 | 1998-04-29 | 中国科学院感光化学研究所 | Device for hot melt coating |
| JP2002237373A (en) * | 2001-02-09 | 2002-08-23 | Japan Servo Co Ltd | Heat roller control device |
| US7501921B2 (en) * | 2005-05-13 | 2009-03-10 | Magnetnotes, Ltd. | Temperature controlled magnetic roller |
| CN102500524B (en) * | 2011-11-08 | 2014-12-10 | 东莞新能源科技有限公司 | Process for coating lithium battery |
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2018
- 2018-12-14 CN CN201811534516.9A patent/CN109569953A/en active Pending
- 2018-12-29 WO PCT/CN2018/125274 patent/WO2020118793A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030194497A1 (en) * | 2002-04-15 | 2003-10-16 | Fuji Photo Film Co., Ltd. | Coating method, coating apparatus, and method and apparatus for manufacturing pattern members using webs on which coating films have been formed by coating method and coating apparatus |
| JP2012003968A (en) * | 2010-06-17 | 2012-01-05 | Nissan Motor Co Ltd | Coating device and method for producing electrode foil |
| CN106269386A (en) * | 2015-05-15 | 2017-01-04 | 伍秋涛 | A kind of apparatus for coating improving solvent-free adhesive levelability and method |
| CN106847411A (en) * | 2015-12-07 | 2017-06-13 | 宁波惠之星新材料科技有限公司 | A kind of coating system, a kind of nano-silver thread conductive film and preparation method thereof |
| CN107150006A (en) * | 2016-03-03 | 2017-09-12 | 罗巴泰克股份公司 | For the apparatus and method being applied to adhesive on substrate |
| CN107737705A (en) * | 2017-10-10 | 2018-02-27 | 青岛国轩电池有限公司 | A kind of method of coater oven temperature pre-adjustment |
| CN108480135A (en) * | 2018-05-24 | 2018-09-04 | 陈鸿奇 | A kind of apparatus for coating of coiled film base material coating |
| CN108772245A (en) * | 2018-07-09 | 2018-11-09 | 广东华粘新材料研究有限公司 | A kind of coating system that vertical bar type slit extrusion die is combined with multiple roll |
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| Publication number | Publication date |
|---|---|
| WO2020118793A1 (en) | 2020-06-18 |
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Application publication date: 20190405 |