CN107722730A - A kind of PTC electrically conductive inks, its preparation method and use its heating pad for pets - Google Patents
A kind of PTC electrically conductive inks, its preparation method and use its heating pad for pets Download PDFInfo
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- CN107722730A CN107722730A CN201710897485.2A CN201710897485A CN107722730A CN 107722730 A CN107722730 A CN 107722730A CN 201710897485 A CN201710897485 A CN 201710897485A CN 107722730 A CN107722730 A CN 107722730A
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- Prior art keywords
- electrically conductive
- ptc
- conductive inks
- ptc electrically
- semi
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- 239000000976 ink Substances 0.000 title claims abstract description 74
- 238000010438 heat treatment Methods 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 229920005989 resin Polymers 0.000 claims abstract description 35
- 239000011347 resin Substances 0.000 claims abstract description 35
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 34
- 229920006038 crystalline resin Polymers 0.000 claims abstract description 22
- 239000003960 organic solvent Substances 0.000 claims abstract description 22
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 21
- 239000002245 particle Substances 0.000 claims abstract description 20
- 238000007639 printing Methods 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims description 14
- 229920002799 BoPET Polymers 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 9
- 239000011241 protective layer Substances 0.000 claims description 9
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 6
- 239000013530 defoamer Substances 0.000 claims description 6
- 229920001568 phenolic resin Polymers 0.000 claims description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexyloxide Natural products O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 4
- PAAZPARNPHGIKF-UHFFFAOYSA-N 1,2-dibromoethane Chemical compound BrCCBr PAAZPARNPHGIKF-UHFFFAOYSA-N 0.000 claims description 3
- 239000004925 Acrylic resin Substances 0.000 claims description 3
- 229920000178 Acrylic resin Polymers 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 3
- UYAAVKFHBMJOJZ-UHFFFAOYSA-N diimidazo[1,3-b:1',3'-e]pyrazine-5,10-dione Chemical compound O=C1C2=CN=CN2C(=O)C2=CN=CN12 UYAAVKFHBMJOJZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000005007 epoxy-phenolic resin Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000004843 novolac epoxy resin Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 229940116423 propylene glycol diacetate Drugs 0.000 claims description 3
- JTXMVXSTHSMVQF-UHFFFAOYSA-N 2-acetyloxyethyl acetate Chemical compound CC(=O)OCCOC(C)=O JTXMVXSTHSMVQF-UHFFFAOYSA-N 0.000 claims description 2
- 125000002243 cyclohexanonyl group Chemical group *C1(*)C(=O)C(*)(*)C(*)(*)C(*)(*)C1(*)* 0.000 claims description 2
- 150000002576 ketones Chemical class 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 claims 1
- 229920002635 polyurethane Polymers 0.000 claims 1
- 239000004814 polyurethane Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000009776 industrial production Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 239000002904 solvent Substances 0.000 description 6
- 238000009835 boiling Methods 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 229920005749 polyurethane resin Polymers 0.000 description 5
- HJOVHMDZYOCNQW-UHFFFAOYSA-N isophorone Chemical compound CC1=CC(=O)CC(C)(C)C1 HJOVHMDZYOCNQW-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- -1 polyethylene vinylacetate Polymers 0.000 description 4
- 238000005352 clarification Methods 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 239000005011 phenolic resin Substances 0.000 description 3
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- OUNMTQFEKAIZIF-UHFFFAOYSA-N ethane-1,2-diol;oxalic acid Chemical compound OCCO.OC(=O)C(O)=O OUNMTQFEKAIZIF-UHFFFAOYSA-N 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Classifications
-
- 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
- C09D11/00—Inks
- C09D11/52—Electrically conductive inks
-
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
-
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/033—Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
-
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
-
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09D11/107—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention discloses a kind of PTC electrically conductive inks, its preparation method and its heating pad for pets is used, the PTC electrically conductive inks, by weight percentage, including following components：Semi-crystalline resins 5 25%；Fire resistant resin 4 15%；Organic solvent 20 70%；Conductive particle 5 30%；Auxiliary addition agent 0.1 10%.Present invention seek to address that the shortcomings that printing of existing PTC electrically conductive inks is poor.PTC electrically conductive inks produced by the present invention have the advantages of screen printability is good, and preparation technology of the present invention is simple, and pollution-free, cost is cheap, are adapted to large-scale industrial production.In addition, printing the heating pad for pets of conducting wire using the PTC electrically conductive inks, the advantages of there is fast programming rate, energy temp auto-controlled and save and be safe.
Description
Technical field
The present invention relates to electrically conductive ink technical field, more particularly to a kind of PTC electrically conductive inks, its preparation method and use
Its heating pad for pets.
Background technology
The electrically conductive ink printed article of PTC effects (positive temperature coefficient effect), after electric current is accessed, with inking layer temperature
Rise, layer of ink resistivity rises rapidly in specified temp or specific range of temperatures, and ascensional range is often exponential change.PTC oil
For ink print thing when temperature is relatively low, power is larger, therefore it is rapid to heat up, and when it reaches design temperature, resistivity rises rapidly,
Therefore power declines automatically, so as to realize temp auto-controlled, compared to traditional electric heating ink, can save the cost of temperature controller, and have
The advantages of thermal efficiency is high, programming rate is fast, energy-saving safe.Because these intrinsic advantages of PTC ink, therefore be widely used in
Electric radiant Heating Film, automobile rearview mirror heating, automobile seat heating cushion etc..
At present, PTC electrically conductive inks reach ink using the addition crystallization in ink formulations or semicrystalline resin
PTC effects, for example, it is polyethylene vinylacetate, high density polyethylene (HDPE), low density polyethylene (LDPE), nylon, Kynoar, poly- to benzene
Dioctyl phthalate butanediol ester, polyethylene terephthalate etc..But this resinoid dissolubility is very poor, during for preparing ink,
Generally at normal temperatures jelly, cause printing poor.
Therefore, prior art has yet to be improved and developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of PTC electrically conductive inks, its preparation method
And use its heating pad for pets, it is intended to solve existing PTC electrically conductive inks printing it is poor the shortcomings that.
Technical scheme is as follows：
A kind of PTC electrically conductive inks, wherein, by weight percentage, including following components：
Semi-crystalline resins 5-25%；
Fire resistant resin 4-15%；
Organic solvent 20-70%；
Conductive particle 5-30%；
Auxiliary addition agent 0.1-10%.
Described PTC electrically conductive inks, wherein, by weight percentage, including following components：
Semi-crystalline resins 15-25%；
Fire resistant resin 6-12%；
Organic solvent 40-60%；
Conductive particle 10-20%；
Auxiliary addition agent 2-10%.
Described PTC electrically conductive inks, wherein, by weight percentage, including following components：
Semi-crystalline resins 18%；
Fire resistant resin 10%；
Organic solvent 52%；
Conductive particle 14%；
Auxiliary addition agent 6%.
Described PTC electrically conductive inks, wherein, by weight percentage, including following components：
Semi-crystalline resins 22%；
Fire resistant resin 9%；
Organic solvent 49%；
Conductive particle 13%；
Auxiliary addition agent 7%.
Described PTC electrically conductive inks, wherein, by weight percentage, including following components：
Semi-crystalline resins 25%；
Fire resistant resin 8%；
Organic solvent 47%；
Conductive particle 12%；
Auxiliary addition agent 8%.
Described PTC electrically conductive inks, wherein, the semi-crystalline resins are crystalline polyurethane resins, the high temperature resistant tree
Fat is the one or more in acrylic resin, novolac epoxy resin or phenolic resin.
Described PTC electrically conductive inks, wherein, the organic solvent is cyclohexanone, isophorone, DBE, ethylene glycol oxalic acid
One or more in ester, propylene-glycol diacetate.
Described PTC electrically conductive inks, wherein, described conductive particle is one kind in conductive metal powder, carbon black, graphite
Or it is several, described auxiliary material includes the one or more in dispersing aid, levelling agent, defoamer, auxiliary rheological agents.
A kind of preparation method of PTC electrically conductive inks as described in any of the above one, comprises the following steps：
Step A, according to said ratio, semi-crystalline resins and fire resistant resin are added in organic solvent, and in 60-80 DEG C of water
Disperse 2-4 hours under the conditions of bath；
Step B, 8 hours are incubated, filter off insoluble matter, obtain clear resin compound；
Step C, auxiliary addition agent is added in clear resin compound, the machine that is dispersed through carries out pre-dispersed；
Step D, after pre-dispersed 15min, conductive particle is added, it is pre-dispersed with dispersion machine；
Step E, after pre-dispersed 30min, it is transferred to three-roller and is ground scattered, until fineness is less than 8um, it is bright to obtain mobility
Black paste is conductive PTC ink.
A kind of heating pad for pets, including heating pad body, the heating pad body include heat generating components, and described in cladding
The PVC protective layers of heat generating components；
The heat generating components includes clear PET film, and the clear PET film printing is any one just like claim 1-8 described
PTC electrically conductive inks PTC ink layers；
Set between clear PET film and the PTC ink layer and be printed with conducting wire and power supply terminal；
PET protective layers are additionally provided with the PTC ink layers.
Beneficial effect：The present invention uses above-mentioned formula, obtain a kind of screen printability it is good there is positive temperature coefficient effect
The electrically conductive ink answered, the heating pad for pets of conducting wire is printed using the electrically conductive ink, have programming rate it is fast, can temp auto-controlled,
And the advantages of saving and be safe.
Brief description of the drawings
Fig. 1 is the structural representation of the heating pad body of heating pad for pets provided by the invention.
Fig. 2 is the structural representation of the heat generating components of heating pad for pets provided by the invention.
In figure：10th, PVC protective layers；20th, clear PET film；21st, conducting wire；22nd, power supply terminal；30th, PTC ink
Layer；40th, PET protective layers.
Embodiment
The present invention provides a kind of PTC electrically conductive inks, its preparation method and uses its heating pad for pets, to make the present invention
Purpose, technical scheme and effect it is clearer, clear and definite, the present invention is described in more detail below.It should be appreciated that this place
The specific embodiment of description only to explain the present invention, is not intended to limit the present invention.
A kind of PTC electrically conductive inks preferred embodiment of the present invention, wherein, by weight percentage, including following components：
Semi-crystalline resins 5-25%；
Fire resistant resin 4-15%；
Organic solvent 20-70%；
Conductive particle 5-30%；
Auxiliary addition agent 0.1-10%.
The present invention uses above-mentioned formula, solve thes problems, such as that existing electrically conductive ink printing is poor.Utilize the present invention
It can obtain a kind of good electrically conductive ink with positive temperature coefficient effect of screen printability.
Including following components even more preferably, by weight percentage,：
Semi-crystalline resins 15-25%；
Fire resistant resin 6-12%；
Organic solvent 40-60%；
Conductive particle 10-20%；
Auxiliary addition agent 2-10%.
According to above-mentioned optimization formula, obtained PTC electrically conductive inks have better printing.
Also, preferably, in the PTC electrically conductive inks, the semi-crystalline resins are crystalline polyurethane resins, described
Fire resistant resin is the one or more in acrylic resin, novolac epoxy resin or phenolic resin.
The organic solvent is higher boiling ketones solvent or esters solvent, and it includes cyclohexanone, isophorone, DBE（DBE
High boiling solvent mixed dibasic acid ester）, ethylene acetate, the one or more in propylene-glycol diacetate.
Described conductive particle is the one or more in conductive metal powder, carbon black, graphite, described auxiliary material bag
Include the one or more in dispersing aid, levelling agent, defoamer, auxiliary rheological agents.
The preparation method of PTC electrically conductive inks described in a kind of as above any one of the present invention, wherein, including following step
Suddenly：
Step A, according to said ratio, semi-crystalline resins and fire resistant resin are added in organic solvent, and in 60-80 DEG C of water
Disperse 2-4 hours under the conditions of bath；
Step B, 8 hours are incubated, filter off insoluble matter, obtain clear resin compound；
Step C, auxiliary addition agent is added in clear resin compound, be dispersed through machine carry out it is pre-dispersed,；
Step D, after pre-dispersed 15min, conductive particle is added, it is pre-dispersed with dispersion machine；
Step E, after pre-dispersed 30min, it is transferred to three-roller and is ground scattered, until fineness is less than 8um, it is bright to obtain mobility
Black paste is conductive PTC ink.
The present invention uses above-mentioned preparation method, and obtained PTC electrically conductive inks have the advantages of screen printability is good.Separately
Outside, preparation technology of the present invention is simple, pollution-free, and cost is cheap, is adapted to large-scale industrial production.
Fig. 1 and Fig. 2 are referred to, the present invention also provides a kind of heating pad for pets, and it includes heating pad body, the heating cushion
Body includes heat generating components（Do not marked in figure）, and the PVC protective layers 10 of the cladding heat generating components；
The heat generating components includes clear PET film 20, and the clear PET film 20 prints any one just like claim 1-8
The PTC ink layers 30 of described PTC electrically conductive inks；
Set between the clear PET film 20 and PTC ink layers 30 and be printed with conducting wire 21 and power supply terminal 22；
PET protective layers 40 are additionally provided with the PTC ink layers 30.
Specifically, the step of making heating pad for pets is as follows：
According to designed lines on clear PET film 10, with Screen-printed conductive silver paste, after solidification, the He of conducting wire 21 is formed
Power supply terminal 22, and the PTC electrically conductive inks of above-described embodiment preparation are printed, after solidification, that is, obtain the conductive hair with PTC effects
Hot line road.By above-mentioned conductive exothermal circuit with after pre-coating film overlay film, hot pressing overlay film, one layer of PET guarantor is formed on PTC ink layers 30
Sheath 40.Riveting method link power supply line is pressed on power supply terminal 22, and after heat generating components is coated with PVC protective layers 10, side
Edge cycle machine hot-press sealed, that is, the pet pads heater with PTC effects is obtained, it has, and programming rate is fast, can automatic control
Temperature, energy-conservation and it is safe the advantages of.
Below by embodiment, the present invention is described in detail.
Embodiment 1
PTC electrically conductive inks, wherein, by weight percentage, including following components：
Semi-crystalline resins 18%；
Fire resistant resin 10%；
Organic solvent 52%；
Conductive particle 14%；
Auxiliary addition agent 6%.
The preparation method of above-mentioned PTC electrically conductive inks, comprises the following steps：
Step A, according to said ratio, by 18g crystalline polyurethane resins, 10g phenolic resin, which is added to 52g higher boilings DBE, to be had
In solvent, and disperse 4 hours under 60 DEG C of water bath conditions；
Step B, 8 hours are incubated, filter off insoluble matter, obtain 80g clear resin compounds；
Step C, by 6g auxiliary addition agents（Uniformly comprising dispersing aid, levelling agent, defoamer, auxiliary rheological agents）It is added to 80g clarifications
In transparent resin mixture, be dispersed through machine carry out it is pre-dispersed,；
Step D, after pre-dispersed 15min, 7g conductive blacks are added, 7g electrically conductive graphites are pre-dispersed with dispersion machine；
Step E, after pre-dispersed 30min, it is transferred to three-roller and is ground scattered, until fineness is less than 8um, it is bright to obtain mobility
Black paste is conductive PTC ink.
Embodiment 2
PTC electrically conductive inks, wherein, by weight percentage, including following components：
Semi-crystalline resins 22%；
Fire resistant resin 9%；
Organic solvent 49%；
Conductive particle 13%；
Auxiliary addition agent 7%.
The preparation method of above-mentioned PTC electrically conductive inks, comprises the following steps：
Step A, according to said ratio, by 22g crystalline polyurethane resins, it is organic that 9g phenolic resin is added to 49g higher boilings DBE
In solvent, and disperse 3 hours under 70 DEG C of water bath conditions；
Step B, 8 hours are incubated, filter off insoluble matter, obtain 80g clear resin compounds；
Step C, by 7g auxiliary addition agents（Uniformly comprising dispersing aid, levelling agent, defoamer, auxiliary rheological agents）It is added to 80g clarifications
In transparent resin mixture, be dispersed through machine carry out it is pre-dispersed,；
Step D, after pre-dispersed 15min, 6.5g conductive blacks are added, 6.5g electrically conductive graphites are pre-dispersed with dispersion machine；
Step E, after pre-dispersed 30min, it is transferred to three-roller and is ground scattered, until fineness is less than 8um, it is bright to obtain mobility
Black paste is conductive PTC ink.
Embodiment 3
PTC electrically conductive inks, wherein, by weight percentage, including following components：
Semi-crystalline resins 25%；
Fire resistant resin 8%；
Organic solvent 47%；
Conductive particle 12%；
Auxiliary addition agent 8%.
The preparation method of above-mentioned PTC electrically conductive inks, comprises the following steps：
Step A, according to said ratio, by 25g crystalline polyurethane resins, it is organic that 8g phenolic resin is added to 47g higher boilings DBE
In solvent, and disperse 2 hours under 80 DEG C of water bath conditions；
Step B, 8 hours are incubated, filter off insoluble matter, obtain 80g clear resin compounds；
Step C, by 8g auxiliary addition agents（Uniformly comprising dispersing aid, levelling agent, defoamer, auxiliary rheological agents）It is added to 80g clarifications
In transparent resin mixture, be dispersed through machine carry out it is pre-dispersed,；
Step D, after pre-dispersed 15min, 6g conductive blacks are added, 6g electrically conductive graphites are pre-dispersed with dispersion machine；
Step E, after pre-dispersed 30min, it is transferred to three-roller and is ground scattered, until fineness is less than 8um, it is bright to obtain mobility
Black paste is conductive PTC ink.
In summary, it is provided by the invention that a kind of PTC electrically conductive inks, its preparation method are provided and added using its pet
Heat pad, it is intended to solve existing PTC electrically conductive inks printing it is poor the shortcomings that.PTC electrically conductive inks produced by the present invention have
The advantages of screen printability is good, and preparation technology of the present invention is simple, pollution-free, cost is cheap, is adapted to large-scale industrialization
Production.In addition, printing the heating pad for pets of conducting wire using the PTC electrically conductive inks, have programming rate it is fast, can temp auto-controlled,
And the advantages of saving and be safe.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect scope.
Claims (10)
- A kind of 1. PTC electrically conductive inks, it is characterised in that by weight percentage, including following components：Semi-crystalline resins 5-25%；Fire resistant resin 4-15%；Organic solvent 20-70%；Conductive particle 5-30%；Auxiliary addition agent 0.1-10%.
- 2. PTC electrically conductive inks according to claim 1, it is characterised in that by weight percentage, including following components：Semi-crystalline resins 15-25%；Fire resistant resin 6-12%；Organic solvent 40-60%；Conductive particle 10-20%；Auxiliary addition agent 2-10%.
- 3. PTC electrically conductive inks according to claim 2, it is characterised in that by weight percentage, including following components：Semi-crystalline resins 18%；Fire resistant resin 10%；Organic solvent 52%；Conductive particle 14%；Auxiliary addition agent 6%.
- 4. PTC electrically conductive inks according to claim 2, it is characterised in that by weight percentage, including following components：Semi-crystalline resins 22%；Fire resistant resin 9%；Organic solvent 49%；Conductive particle 13%；Auxiliary addition agent 7%.
- 5. PTC electrically conductive inks according to claim 1, it is characterised in that by weight percentage, including following components：Semi-crystalline resins 25%；Fire resistant resin 8%；Organic solvent 47%；Conductive particle 12%；Auxiliary addition agent 8%.
- 6. PTC electrically conductive inks according to claim 1, it is characterised in that the semi-crystalline resins are crystalline polyurethanes Resin, the fire resistant resin are the one or more in acrylic resin, novolac epoxy resin or phenolic resin.
- 7. PTC electrically conductive inks according to claim 1, it is characterised in that the organic solvent is cyclohexanone, different Fo Er One or more in ketone, DBE, ethylene acetate, propylene-glycol diacetate.
- 8. PTC electrically conductive inks according to claim 1, it is characterised in that described conductive particle be conductive metal powder, One or more in carbon black, graphite, described auxiliary material are included in dispersing aid, levelling agent, defoamer, auxiliary rheological agents It is one or more of.
- 9. the preparation method of a kind of PTC electrically conductive inks as described in claim 1-8 is any one, it is characterised in that including following Step：Step A, according to said ratio, semi-crystalline resins and fire resistant resin are added in organic solvent, and in 60-80 DEG C of water Disperse 2-4 hours under the conditions of bath；Step B, 8 hours are incubated, filter off insoluble matter, obtain clear resin compound；Step C, auxiliary addition agent is added in clear resin compound, be dispersed through machine carry out it is pre-dispersed,；Step D, after pre-dispersed 15min, conductive particle is added, it is pre-dispersed with dispersion machine；Step E, after pre-dispersed 30min, it is transferred to three-roller and is ground scattered, until fineness is less than 8um, it is bright to obtain mobility Black paste is conductive PTC ink.
- 10. a kind of heating pad for pets, including heating pad body, it is characterised in that the heating pad body includes heat generating components, with And the PVC protective layers of the cladding heat generating components；The heat generating components includes clear PET film, and the clear PET film printing is any one just like claim 1-8 described PTC electrically conductive inks PTC ink layers；Set between clear PET film and the PTC ink layer and be printed with conducting wire and power supply terminal；PET protective layers are additionally provided with the PTC ink layers.
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| CN109280425A (en) * | 2018-11-02 | 2019-01-29 | 杭州超探新材料科技有限公司 | A kind of preparation method of floor heating electric hot plate |
| CN109320746A (en) * | 2018-09-14 | 2019-02-12 | 常州二维碳素科技股份有限公司 | A kind of preparation method of temperature sensitive PTC graphene, PTC graphene conductive slurry and the heating film thus prepared |
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