CN102079956A - White covering film and manufacturing method thereof - Google Patents
White covering film and manufacturing method thereof Download PDFInfo
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- CN102079956A CN102079956A CN 201010594348 CN201010594348A CN102079956A CN 102079956 A CN102079956 A CN 102079956A CN 201010594348 CN201010594348 CN 201010594348 CN 201010594348 A CN201010594348 A CN 201010594348A CN 102079956 A CN102079956 A CN 102079956A
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- basement membrane
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- 239000003795 chemical substances by application Substances 0.000 claims abstract description 55
- 239000011248 coating agent Substances 0.000 claims abstract description 47
- 238000000576 coating method Methods 0.000 claims abstract description 47
- 210000002469 basement membrane Anatomy 0.000 claims abstract description 33
- 229920000728 polyester Polymers 0.000 claims abstract description 30
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 27
- 239000000203 mixture Substances 0.000 claims abstract description 20
- 239000012948 isocyanate Substances 0.000 claims abstract description 19
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 19
- 239000002904 solvent Substances 0.000 claims abstract description 12
- 239000012790 adhesive layer Substances 0.000 claims abstract description 10
- 239000000049 pigment Substances 0.000 claims abstract description 10
- 239000011159 matrix material Substances 0.000 claims abstract description 6
- 239000002362 mulch Substances 0.000 claims description 44
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 20
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- 238000003825 pressing Methods 0.000 claims description 13
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000012764 mineral filler Substances 0.000 claims description 7
- 239000004408 titanium dioxide Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000013530 defoamer Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 229920001228 polyisocyanate Polymers 0.000 claims description 6
- 239000005056 polyisocyanate Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- PPMORFALRLYDPN-UHFFFAOYSA-N 1,1'-biphenyl;styrene Chemical group C=CC1=CC=CC=C1.C1=CC=CC=C1C1=CC=CC=C1 PPMORFALRLYDPN-UHFFFAOYSA-N 0.000 claims description 4
- FRQPHGSNRQEKOX-UHFFFAOYSA-N 6h-benzo[c][1,2]benzoxazine Chemical compound C1=CC=C2NOC3=CC=CC=C3C2=C1 FRQPHGSNRQEKOX-UHFFFAOYSA-N 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 4
- 230000002087 whitening effect Effects 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000005083 Zinc sulfide Substances 0.000 claims description 3
- 125000001931 aliphatic group Chemical group 0.000 claims description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 3
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 3
- 239000011247 coating layer Substances 0.000 claims description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 3
- 239000000347 magnesium hydroxide Substances 0.000 claims description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 3
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 229960001866 silicon dioxide Drugs 0.000 claims description 3
- 239000011863 silicon-based powder Substances 0.000 claims description 3
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 claims description 3
- 238000004383 yellowing Methods 0.000 abstract description 7
- 239000000758 substrate Substances 0.000 abstract description 3
- 239000002518 antifoaming agent Substances 0.000 abstract 1
- 238000005282 brightening Methods 0.000 abstract 1
- 239000011256 inorganic filler Substances 0.000 abstract 1
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- 229920000139 polyethylene terephthalate Polymers 0.000 description 12
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- 238000012360 testing method Methods 0.000 description 6
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- 238000011161 development Methods 0.000 description 3
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
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- 239000003063 flame retardant Substances 0.000 description 2
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
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Images
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Abstract
The invention relates to a white covering film and a manufacturing method thereof. The white covering film comprises a release basement membrane, a white coating coated on the release basement membrane and an adhesive layer coated on the white coating. The white coating is a composition using flexible saturated polyester as a matrix and comprises the following components in part by weight: 50 to 70 parts of flexible saturated polyester, 30 to 50 parts of hard saturated polyester, 1 to 20 parts of blocked isocyanate curing agent, 15 to 150 parts of pigment, 15 to 120 parts of inorganic filler, 0.01 to 0.30 parts of fluorescent brightening agent, 0.5 to 2.5 parts of antifoaming agent and a right amount of solvent. The white covering film can be used for a flexible printed circuit and has high yellowing resistance, high covering power, excellent folding resistance and high glossiness. When the white covering film is compressed with a substrate, the excellent adhesion between the white covering film and the substrate is guaranteed.
Description
Technical field
The present invention relates to the flexible printed circuit field, relate in particular to a kind of white mulch film that is used for flexible printed circuit and preparation method thereof.
Background technology
The progress of information, communication industry has driven the high speed development of microelectronics industry, and flexible printed circuit (FPC) arises at the historic moment and obtains fast development, has obtained using widely at numerous areas such as cell phone, notebook computer, liquid crystal display.At present because the LED product has three big characteristics such as energy-saving and environmental protection, life-span length, its Application Areas constantly enlarges, the kind and the quantity of application product constantly increase, each side continues to increase the dynamics of investment of LED industry, particularly China LED industry occurs raising up against the market in financial tsunami at present, has shown powerful vitality.
Flexible printed-circuit board (FPCB) and the maximum difference of rigid printed circuit boards (PCB) are that the former adopts mulch film, the function of mulch film has exceeded the welding resistance printing ink that PCB uses, it not only plays the welding resistance effect, prevents the copper wire oxidation and makes FPC not be subjected to the erosion of dust, moisture, pharmaceutical chemicals, and can reduce stress influence in the BENDING PROCESS, in addition, along with the development in FPC market, mulch film has been endowed more function.
The traditional technology of LED product is behind the pressing mulch film at present, at its surface applied white ink layer, to improve the contrast gradient of LED product, strengthens it and sets off effect.But operational difficulty such as contraposition has increased operation in the screen printing process, has expended man-hour, and because all performances such as folding resistance, anti-deflection and weathering resistance of printing ink have very big deficiency, has limited the expansion of LED product to a certain extent and used.
Generally speaking, mulch film consists of support membrane (insulating basement membrane) and adhesive compound.The insulating substrate of flexible printed wiring board be generally polyester (Polyester, PET), poly-naphthalene (Polyethylene naphthalene, PEN), polyimide (Polyimide, PI) and other type polymer film.CN200910188903 mentions in coloured PI film both sides and applies white coating and adhesive compound respectively, and to make white mulch film, snappiness is good, opacifying power is high, but because of using the PI film to be insulating basement membrane, cost is higher; CN200910188904 only applies one deck white coating on the release film surface, makes white glued membrane, and snappiness is good, and weathering resistance is good, but during the pressing base material, stripping strength is on the low side.
Summary of the invention
The object of the present invention is to provide a kind of white mulch film and preparation method thereof, this white mulch film has excellent yellowing resistance, high whiteness, outstanding folding resistance and high thermal conductivity, can be used for flexible printed circuit.
For achieving the above object, the invention provides a kind of white mulch film, comprise: release basement membrane, be coated on release epilamellar white coating, and be coated on adhesive layer on this white coating, described white coating is for being the composition of matrix with flexible saturated polyester, and it comprises that component and weight part thereof are as follows: flexible saturated polyester 50-70 weight part, hard saturated polyester 30-50 weight part, masked isocyanate solidifying agent 1-20 weight part, pigment 15-150 weight part, mineral filler 15-120 weight part, white dyes 0.01-0.30 weight part, defoamer 0.5-2.5 weight part and solvent are an amount of.
Wherein, the coating thickness of described white coating is 5～35 μ m.
It is polyethylene terephthalate (PET) film or PEN (PEN) film of 12～150 μ m that described release basement membrane adopts thickness, and its single or double scribbles parting agent.
Described parting agent comprises siliceous parting agent and non-silicon parting agent, and the off-type force of parting agent is 0.02～1.0kgf/cm.
Described adhesive layer is Resins, epoxy or acrylate based composition.
Described solidifying agent is masked isocyanate solidifying agent or opening isocyanate curing agent.
Described masked isocyanate solidifying agent be in aromatic series dead front type polyisocyanate curing agent, the aliphatics dead front type polyisocyanate curing agent one or more.
Described pigment comprises one or more of titanium dioxide, zinc sulphide, lithopone.
Described mineral filler is one or more in mica powder, aluminium hydroxide, silicon-dioxide, magnesium hydroxide, silicon powder, the talcum powder.
Described white dyes is one or more in dibenzoxazine type white dyes, the double styrene-biphenyl type optical fluorescence whitening agent.
Described solvent comprises butanone, and toluene and N, one or both in the dinethylformamide.
Simultaneously, the present invention also provides a kind of making method of above-mentioned white mulch film, and it comprises that step is as follows:
Step 1, provide release basement membrane, and the composition of preparation white coating;
Step 2, at release of release basement membrane composition that applies the above-mentioned white coating that makes, after 180 ℃/1-3min baking drying, on release basement membrane, form white coating;
During described white mulch film pressing flexible printed-circuit board,, then its release basement membrane is torn off with its adhesive layer contact flexible printed-circuit board pressing.
The invention has the beneficial effects as follows: white mulch film of the present invention, its white coating is a matrix resin with flexible saturated polyester, cooperate components such as masked isocyanate solidifying agent, pigment and white dyes, can obtain high whiteness, excellent anti-yellowing, high tack, high gloss, weathering resistance is good and resistant to elevated temperatures white coating, prepared white mulch film can be used for flexible printed circuit, have excellent yellowing resistance, high covering power, outstanding folding resistance and high-luster, during the pressing base material, guaranteed good bonding with base material.And should make simple and fast by the white mulch film.
In order further to understand feature of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, yet accompanying drawing only provide with reference to and the explanation usefulness, be not to be used for the present invention is limited.
Description of drawings
Below in conjunction with accompanying drawing,, will make technical scheme of the present invention and other beneficial effects apparent by the specific embodiment of the present invention is described in detail.
In the accompanying drawing,
Fig. 1 is the structural representation of white mulch film of the present invention;
Fig. 2 is the making method schema of white mulch film of the present invention.
Embodiment
White mulch film of the present invention comprises: release basement membrane 10, be coated on the white coating 20 on the release basement membrane 10 and be coated on adhesive layer 30 on this white coating 20.
Wherein, it is polyethylene terephthalate (PET) film or PEN (PEN) film of 12～150 μ m that release basement membrane 10 adopts thickness, it has colourless, performance such as dimensional stability preferably, price has great advantage with respect to the PI film, behind the pressing flexible printed-circuit board, release basement membrane 10 is promptly torn off, thereby guarantees whole excellent heat resistance.And because the effect of release basement membrane 10 has prevented white coating 20 phenomenons such as the moisture absorption, binding dust before production, transportation and pressing are solidified, thereby has had high-luster.The single or double of described release basement membrane 10 scribbles parting agent, and parting agent comprises siliceous parting agent and non-silicon parting agent, and the off-type force of parting agent is 0.02～1.0kgf/cm.Adhesive layer 30 is Resins, epoxy or acrylate based composition, has higher stripping strength, preferably performance such as snappiness and flame retardant resistance.
The coating thickness of described white coating 20 is 5～35 μ m.White coating 20 is for being the composition of matrix with flexible saturated polyester, and it comprises that component and weight part thereof are as follows: flexible saturated polyester 50-70 weight part, hard saturated polyester 30-50 weight part, masked isocyanate solidifying agent 1-20 weight part, pigment 15-150 weight part, mineral filler 15-120 weight part, white dyes 0.01-0.30 weight part, defoamer 0.5-2.5 weight part and solvent are an amount of.
Details are as follows for each component:
(1) saturated polyester
The characteristics of above-mentioned flexible saturated polyester (flexible armorphous saturated polyester) and hard saturated polyester (the armorphous saturated polyester of hard) are that it is thermoplasticity, contains the linear saturated polyester of aromatic nucleus, has better heat-resisting and anti-yellowing sex change.Have the polyester of this kind structure such as Vitel 3300B, Vitel2200B, Vitel5833 (manufacturing of Bostik company).
(2) solidifying agent
Described solidifying agent is masked isocyanate solidifying agent or opening isocyanate curing agent.The masked isocyanate solidifying agent be in aromatic series dead front type polyisocyanate curing agent, the aliphatics dead front type polyisocyanate curing agent one or more, it is controlled that it has good temperature of reaction.This masked isocyanate solidifying agent, but its when being heated to certain temperature just deblocking participate in reaction, promptly with the linear saturated polyester in the oh group reaction, thereby guaranteed in controllability that adds man-hour and good operability.Solidifying agent with this kind structure is as 1530 (manufacturings of Bostik company).
(3) pigment
Described pigment comprises one or more of titanium dioxide, zinc sulphide, lithopone.
(4) mineral filler
Described mineral filler is one or more in mica powder, aluminium hydroxide, silicon-dioxide, magnesium hydroxide, silicon powder, the talcum powder.
(5) white dyes
Described white dyes is one or more in dibenzoxazine type white dyes, the double styrene-biphenyl type optical fluorescence whitening agent.This white dyes provides composition white, and then the white of prepared mulch film is provided.The performance characteristics of white coating is high whiteness and high opacifying power, for realizing these performances, the spy matches white dyes with titanium dioxide, have the white dyes of this structure such as dibenzoxazine type white dyes, double styrene-biphenyl type optical fluorescence whitening agent, concrete trade name such as OB, KSN, OB-1 etc.
(6) solvent
Described solvent comprises butanone, toluene, N, one or both in the dinethylformamide etc.Solid ingredient is dissolved in the solvent, and the viscosity that can obtain to suit provides good workability, guarantees not occur in coating procedure visual defects.
In the prescription of white coating of the present invention, except above component, some auxiliary agents can be increased, in the scope that does not deviate from the present invention's design as flow agent and dispersion agent etc.
As shown in Figure 2, the making method of white mulch film of the present invention, in conjunction with Fig. 1, it comprises that step is as follows:
Step 1, provide release basement membrane 10, and the composition of preparation white coating.
Step 2, at release of release basement membrane 10 composition that applies the above-mentioned white coating that makes, after 180 ℃/1-3min baking drying, on release basement membrane 10, form white coating 20; The thickness of white coating 20 is 5～35 μ m.
Survey performances such as its thermotolerance, weathering resistance, whiteness, flame retardant resistance and opacifying power at the above-mentioned white mulch film of making, further give to illustrate in detail and describe as following embodiment.
Now the embodiment of the invention is described in detail as follows, but the present invention is confined to scope of embodiments.
Embodiment 1:
Flexible linear saturated polyester (marque Vitel3300B, Bostik company makes) 68 weight parts; Hard linear saturated polyester (marque Vitel2200B, Bostik company makes) 32 weight parts; Masked isocyanate solidifying agent (marque 1530, Bayer AG makes) 10 weight parts; Rutile type Titanium Dioxide (marque TRONOX CR828, Australian Ke Meiji company product) 115 weight parts; White dyes (marque OB-1, U.S. Eastman company product) 0.08 weight part; Defoamer (marque BYK-57, BYK company product) 0.4 weight part.The solids content of regulating glue with butanone solvent is 48%, mixes and makes the white coating composition.
Said composition is coated on release of the release basement membrane of PET that thickness is 25 μ m by spreadometer, and gluing thickness is 25 μ m, puts in 180 ℃ the baking oven baking again into 2 minutes, makes white coating on the release basement membrane of PET.Be the epoxyn composition of 25 μ m at white coating surface-coated thickness then,, make white mulch film through 160 ℃/2min baking processing.
Comparative example 1:
Flexible linear saturated polyester (marque Vitel3300B, Bostik company makes) 68 weight parts; Hard linear saturated polyester (marque Vitel2200B, Bostik company makes) 32 weight parts; Masked isocyanate solidifying agent (marque 1530, Bayer AG makes) 10 weight parts; Rutile type Titanium Dioxide (marque TRONOX CR828, Australian Ke Meiji company product), 80 weight parts; White dyes (marque OB-1, U.S. Eastman company product) 0.07 weight part; Defoamer (marque BYK-57, BYK company product) 0.4 weight part.The solids content of regulating glue with butanone solvent is 48%, mixes and makes the white coating composition.
Said composition is coated on release of the release basement membrane of PET that thickness is 25 μ m by spreadometer, and gluing thickness is 25 μ m, puts in 180 ℃ the baking oven baking again into 2 minutes, makes white coating on the release basement membrane of PET.Be the epoxy resin glue water composition of 25 μ m at white coating surface-coated thickness then,, make white mulch film through 160 ℃/2min baking processing.
Comparative example 2:
Flexible linear saturated polyester (marque Vitel3300B, Bostik company makes) 68 weight parts; Hard linear saturated polyester (marque Vitel2200B, Bostik company makes) 32 weight parts; Masked isocyanate solidifying agent (marque 1530, Bayer AG makes) 5 weight parts; Rutile type Titanium Dioxide (marque TRONOX CR828, Australian Ke Meiji company product) 110 weight parts; Defoamer (marque BYK-57, BYK company product) 0.4 weight part.The solids content of regulating glue with butanone solvent is 48%, mixes and makes the white coating composition.
Said composition is coated on release of the release basement membrane of PET that thickness is 25 μ m by spreadometer, and gluing thickness is 25 μ m, puts in 180 ℃ the baking oven baking again into 2 minutes, makes white coating on the release basement membrane of PET.Be the epoxyn composition of 25 μ m at white coating surface-coated thickness then,, make white mulch film through 160 ℃/2min baking processing.
With the white mulch film that embodiment 1, comparative example 1, comparative example 2 make, (180 ℃/70s) on flexible printed-circuit board, tear the release basement membrane of PET then off, test performance of pressings.The specific performance data see Table 1.
Table 1. performance test table look-up
The testing method of above characteristic is as follows:
(1), anti-immersed solder: test according to IPC-TM-650 2.4.13.
(2), colourity test: adopt Tristimulus Colorimeter WSD-III, Beijing health Optical Co., Ltd.
(3), folding resistance test: test condition is R=0.38mm, Load=500g.
In sum, white mulch film of the present invention, its white coating is a matrix resin with flexible saturated polyester, cooperate components such as masked isocyanate solidifying agent, pigment and white dyes, can obtain high whiteness, excellent anti-yellowing, high tack, high gloss, weathering resistance is good and resistant to elevated temperatures white coating, prepared white mulch film can be used for flexible printed circuit, have excellent yellowing resistance, high covering power, outstanding folding resistance and high-luster, during the pressing base material, guaranteed good bonding with base material.And should make simple and fast by the white mulch film.
The above; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to technical scheme of the present invention and technical conceive, and all these changes and distortion all should belong to the protection domain of accompanying Claim of the present invention.
Claims (10)
1. white mulch film, it is characterized in that, comprise: release basement membrane, be coated on release epilamellar white coating, and be coated on adhesive layer on this white coating, described white coating is for being the composition of matrix with flexible saturated polyester, and it comprises that component and weight part thereof are as follows: flexible saturated polyester 50-70 weight part, hard saturated polyester 30-50 weight part, masked isocyanate solidifying agent 1-20 weight part, pigment 15-150 weight part, mineral filler 15-120 weight part, white dyes 0.01-0.30 weight part, defoamer 0.5-2.5 weight part and solvent are an amount of.
2. white mulch film as claimed in claim 1 is characterized in that, the coating thickness of described white coating is 5～35 μ m.
3. white mulch film as claimed in claim 1 is characterized in that, it is pet film or the PEN film of 12～150 μ m that described release basement membrane adopts thickness, and its single or double scribbles parting agent.
4. white mulch film as claimed in claim 3 is characterized in that, described parting agent comprises siliceous parting agent and non-silicon parting agent, and the off-type force of parting agent is 0.02～1.0kgf/cm.
5. white mulch film as claimed in claim 1 is characterized in that, described adhesive layer is Resins, epoxy or acrylate based composition.
6. white mulch film as claimed in claim 1 is characterized in that, described solidifying agent is masked isocyanate solidifying agent or opening isocyanate curing agent.
7. white mulch film as claimed in claim 6 is characterized in that, described masked isocyanate solidifying agent be in aromatic series dead front type polyisocyanate curing agent, the aliphatics dead front type polyisocyanate curing agent one or more.
8. white mulch film as claimed in claim 1, it is characterized in that, described pigment comprises one or more of titanium dioxide, zinc sulphide, lithopone, described mineral filler is one or more in mica powder, aluminium hydroxide, silicon-dioxide, magnesium hydroxide, silicon powder, the talcum powder, described white dyes is one or more in dibenzoxazine type white dyes, the double styrene-biphenyl type optical fluorescence whitening agent, described solvent comprises butanone, and toluene and N, one or both in the dinethylformamide.
9. the making method of a white mulch film as claimed in claim 1 is characterized in that, it comprises that step is as follows:
Step 1, provide release basement membrane, and the composition of preparation white coating;
Step 2, at release of release basement membrane composition that applies the above-mentioned white coating that makes, after 180 ℃/1-3min baking drying, on release basement membrane, form white coating;
Step 3, on white coating the adhesive coating layer, after 160 ℃/1-5min baking drying, promptly make white mulch film.
10. the making method of white mulch film as claimed in claim 9 is characterized in that, during this white mulch film pressing flexible printed-circuit board, with its adhesive layer contact flexible printed-circuit board pressing, then its release basement membrane is torn off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010594348XA CN102079956B (en) | 2010-12-18 | 2010-12-18 | White covering film and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010594348XA CN102079956B (en) | 2010-12-18 | 2010-12-18 | White covering film and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN102079956A true CN102079956A (en) | 2011-06-01 |
| CN102079956B CN102079956B (en) | 2012-06-27 |
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| CN201010594348XA Expired - Fee Related CN102079956B (en) | 2010-12-18 | 2010-12-18 | White covering film and manufacturing method thereof |
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| CN (1) | CN102079956B (en) |
Cited By (18)
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| CN102582187A (en) * | 2012-02-08 | 2012-07-18 | 宁波长阳科技有限公司 | Polyester film for heddles and preparation method of polyester film |
| CN102731743A (en) * | 2012-06-26 | 2012-10-17 | 华烁科技股份有限公司 | Preparation of white thermosetting resin used for LED light having encapsulating film |
| CN102970820A (en) * | 2012-11-24 | 2013-03-13 | 中山市东溢新材料有限公司 | Covering film for flexible printed circuit board and manufacturing process thereof |
| CN103945635A (en) * | 2013-01-23 | 2014-07-23 | 昆山雅森电子材料科技有限公司 | Ultrathin printing ink protection film and manufacturing method thereof |
| CN104105331A (en) * | 2013-04-02 | 2014-10-15 | 昆山雅森电子材料科技有限公司 | Paperless and no-scrap ink protective film and manufacturing method thereof |
| CN104302090A (en) * | 2013-07-16 | 2015-01-21 | 昆山雅森电子材料科技有限公司 | Stack structure of wireless communication antenna and manufacture method thereof |
| CN104302091A (en) * | 2013-07-16 | 2015-01-21 | 昆山雅森电子材料科技有限公司 | Preparation stacking structure of antenna board |
| CN104987815A (en) * | 2015-07-31 | 2015-10-21 | 中华制漆(新丰）有限公司 | Polyurethane white paint as well as preparation method and application thereof |
| CN105838271A (en) * | 2015-04-17 | 2016-08-10 | 安徽新辰光学新材料有限公司 | High reflectivity white protective film |
| CN106189911A (en) * | 2016-08-11 | 2016-12-07 | 苏州柯创电子材料有限公司 | A kind of High-strength adhesive tape and preparation technology thereof |
| CN106281078A (en) * | 2016-08-11 | 2017-01-04 | 苏州柯创电子材料有限公司 | A kind of compound one-faced tapes of graphite and preparation technology thereof |
| CN106590458A (en) * | 2016-12-16 | 2017-04-26 | 湖北奥马电子科技有限公司 | Manufacturing method of novel ultra-thin white covering film |
| CN107415506A (en) * | 2017-06-28 | 2017-12-01 | 盐城艾肯科技有限公司 | A kind of production method of modified form cover layer resistant to bending |
| TWI666297B (en) * | 2017-06-09 | 2019-07-21 | 亞洲電材股份有限公司 | An ultra-thin white cover film and led substrate using the same |
| CN110143074A (en) * | 2019-05-27 | 2019-08-20 | 青艺（福建）烫画科技有限公司 | Environmental friendly heat transfer printing printed film and preparation method thereof |
| US10392540B2 (en) | 2015-09-15 | 2019-08-27 | 3M Innovative Properties Company | Adhesive composition and an article manufactured therefrom |
| US10626308B2 (en) | 2015-09-15 | 2020-04-21 | 3M Innovative Properties Company | Adhesive composition and an article manufactured therefrom |
| CN113777881A (en) * | 2020-06-10 | 2021-12-10 | 韩国太阳油墨有限公司 | Solder resist resin composition, solder resist structure, dry film, and printed wiring board |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101735755A (en) * | 2009-12-11 | 2010-06-16 | 广东生益科技股份有限公司 | Adhesive composition and method for manufacturing flexible printed-circuit board by using same |
| CN101735575A (en) * | 2009-12-11 | 2010-06-16 | 广东生益科技股份有限公司 | Resin composition and method for preparing FPC coverlay by using same |
-
2010
- 2010-12-18 CN CN201010594348XA patent/CN102079956B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101735755A (en) * | 2009-12-11 | 2010-06-16 | 广东生益科技股份有限公司 | Adhesive composition and method for manufacturing flexible printed-circuit board by using same |
| CN101735575A (en) * | 2009-12-11 | 2010-06-16 | 广东生益科技股份有限公司 | Resin composition and method for preparing FPC coverlay by using same |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582187A (en) * | 2012-02-08 | 2012-07-18 | 宁波长阳科技有限公司 | Polyester film for heddles and preparation method of polyester film |
| CN102582187B (en) * | 2012-02-08 | 2014-07-23 | 宁波长阳科技有限公司 | Polyester film for heddles and preparation method of polyester film |
| CN102731743A (en) * | 2012-06-26 | 2012-10-17 | 华烁科技股份有限公司 | Preparation of white thermosetting resin used for LED light having encapsulating film |
| CN102731743B (en) * | 2012-06-26 | 2014-05-07 | 华烁科技股份有限公司 | Preparation of white thermosetting resin used for LED light having encapsulating film |
| CN102970820A (en) * | 2012-11-24 | 2013-03-13 | 中山市东溢新材料有限公司 | Covering film for flexible printed circuit board and manufacturing process thereof |
| CN103945635A (en) * | 2013-01-23 | 2014-07-23 | 昆山雅森电子材料科技有限公司 | Ultrathin printing ink protection film and manufacturing method thereof |
| CN104105331A (en) * | 2013-04-02 | 2014-10-15 | 昆山雅森电子材料科技有限公司 | Paperless and no-scrap ink protective film and manufacturing method thereof |
| CN104302090A (en) * | 2013-07-16 | 2015-01-21 | 昆山雅森电子材料科技有限公司 | Stack structure of wireless communication antenna and manufacture method thereof |
| CN104302091A (en) * | 2013-07-16 | 2015-01-21 | 昆山雅森电子材料科技有限公司 | Preparation stacking structure of antenna board |
| CN105838271A (en) * | 2015-04-17 | 2016-08-10 | 安徽新辰光学新材料有限公司 | High reflectivity white protective film |
| CN104987815A (en) * | 2015-07-31 | 2015-10-21 | 中华制漆(新丰）有限公司 | Polyurethane white paint as well as preparation method and application thereof |
| US10392540B2 (en) | 2015-09-15 | 2019-08-27 | 3M Innovative Properties Company | Adhesive composition and an article manufactured therefrom |
| US10626308B2 (en) | 2015-09-15 | 2020-04-21 | 3M Innovative Properties Company | Adhesive composition and an article manufactured therefrom |
| CN106189911A (en) * | 2016-08-11 | 2016-12-07 | 苏州柯创电子材料有限公司 | A kind of High-strength adhesive tape and preparation technology thereof |
| CN106281078A (en) * | 2016-08-11 | 2017-01-04 | 苏州柯创电子材料有限公司 | A kind of compound one-faced tapes of graphite and preparation technology thereof |
| CN106189911B (en) * | 2016-08-11 | 2019-05-28 | 苏州柯创电子材料有限公司 | A kind of High-strength adhesive tape and its preparation process |
| CN106281078B (en) * | 2016-08-11 | 2019-06-25 | 苏州柯创电子材料有限公司 | A kind of compound one-faced tapes of graphite and its preparation process |
| CN106590458A (en) * | 2016-12-16 | 2017-04-26 | 湖北奥马电子科技有限公司 | Manufacturing method of novel ultra-thin white covering film |
| TWI666297B (en) * | 2017-06-09 | 2019-07-21 | 亞洲電材股份有限公司 | An ultra-thin white cover film and led substrate using the same |
| CN107415506A (en) * | 2017-06-28 | 2017-12-01 | 盐城艾肯科技有限公司 | A kind of production method of modified form cover layer resistant to bending |
| CN110143074A (en) * | 2019-05-27 | 2019-08-20 | 青艺（福建）烫画科技有限公司 | Environmental friendly heat transfer printing printed film and preparation method thereof |
| CN113777881A (en) * | 2020-06-10 | 2021-12-10 | 韩国太阳油墨有限公司 | Solder resist resin composition, solder resist structure, dry film, and printed wiring board |
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