CN105838272A - PET protective film of PET flexible copper clad laminate - Google Patents
PET protective film of PET flexible copper clad laminate Download PDFInfo
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- CN105838272A CN105838272A CN201510182817.XA CN201510182817A CN105838272A CN 105838272 A CN105838272 A CN 105838272A CN 201510182817 A CN201510182817 A CN 201510182817A CN 105838272 A CN105838272 A CN 105838272A
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Abstract
Relating to the technical field of circuit board processing, the invention provides a PET protective film of a PET flexible copper clad laminate. The PET protective film comprises a PET layer, a polyester adhesive layer and a release paper layer. The upper surface of the PET layer is coated with the polyester adhesive layer, the upper surface of the polyester adhesive layer is provided with the release paper layer, and the polyester adhesive layer is made of 30-60 parts of saturated polyester resin, 10-25 parts of isocyanate, 15-35 parts of a flame retardant, 0.1-1.0 part of a defoaming agent, and 0.1-1.0 part of a dispersing agent. The PET protective film of the PET flexible copper clad laminate provided by the invention has the advantages of simple structure, reasonable design, easy making, and has high flame retardance, high peel strength, low shrinkage, and low adhesive flow.
Description
Technical field:
The present invention relates to wiring board processing technique field, be specifically related to the PET protection film of a kind of PET flexibility coat copper plate.
Background technology:
The protecting film of existing PET copper-clad plate; general employing modified Epoxy or acrylic; modified Epoxy peel strength is low, solidify easy xanthochromia; the fire-retardant rank of acrylic yield inadequate, easy is high; during use; must have the process conditions of harshness, and strict quality management and control, just can produce qualified products.The present invention uses polyester adhesive, not only solves that peel strength is low, the problem of solidification xanthochromia, and fire-retardant rank to reach VTM-0, shrinkage factor low.
Summary of the invention:
It is an object of the invention to provide the PET protection film of a kind of PET flexibility coat copper plate, its simple in construction, reasonable in design, making is simple, and it has high flame retardant, high-peeling strength, low-shrinkage, low flow adhesive.
In order to solve the problem existing for background technology, the present invention is by the following technical solutions: it comprises pet layer, polyester adhesive adhensive layer and parting agent layer, described pet layer upper surface is coated with polyester adhesive adhensive layer, polyester adhesive adhensive layer upper surface is provided with parting agent layer, and described polyester adhesive adhensive layer is made up of saturated polyester resin 30～60 parts, isocyanates 10～25 parts, fire retardant 15～35 parts, defoamer 0.1～1.0 parts, dispersant 0.1～1.0 parts.
Described saturated polyester resin is flexible saturated polyester Bostik3320, Vylon670, SK300 etc. or fire-retardant saturated polyester Vylon763, preferably flexible saturated polyester and the collocation of fire-retardant saturated resin.
Described isocyanates isocyanates is opening carbimide and enclosed type carbimide, preferably two kinds isocyanates combinations, and resistance to elevated temperatures is excellent.
Described fire retardant be fire retardant be containing the organic of P, N or electrodeless fire retardant, the most electrodeless containing P fire retardant.
Described defoamer and dispersant are organic-silicon-modified resin.
Described pet layer thickness is 10～50um.
Described polyester adhesive adhensive layer thickness is 10～40um.
Described parting agent layer thickness is 100～150um.
Described parting agent layer is off-style paper layer or release film layer, and mould release is that non-silicon is release or silicone release agent, and the thickness of off-style paper layer is 100～150um, and the thickness of release film layer is 50～100um.
The processing technology of the present invention is as follows:
One, by saturated polyester resin 30～60 parts, isocyanates 10～25 parts, fire retardant 15～35 parts, defoamer 0.1～1.0 parts, dispersant 0.1～1.0 parts of mixing, polyester adhesive adhensive layer is made；
Two, being coated on pet layer by polyester adhesive adhensive layer, baking temperature 120-180 DEG C, the time is 2.0-4.0min；
Three, parting agent layer is enclosed after having toasted,.
The method have the advantages that its simple in construction, reasonable in design, make simple, it has high flame retardant, high-peeling strength, low-shrinkage, low flow adhesive.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the performance comparison figure of embodiment one and embodiment two.
Reference: 1, pet layer；2, polyester adhesive adhensive layer；3, parting agent layer.
Detailed description of the invention:
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with the drawings and the specific embodiments, the present invention is further elaborated.Should be appreciated that detailed description of the invention described herein, only in order to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, this detailed description of the invention is by the following technical solutions: it comprises pet layer 1, polyester adhesive adhensive layer 2 and parting agent layer 3, described pet layer 1 upper surface is coated with polyester adhesive adhensive layer 2, the upper surface of polyester adhesive adhensive layer 2 is provided with parting agent layer 3, and described polyester adhesive adhensive layer 2 is made up of saturated polyester resin 50 parts, isocyanates 15 parts, fire retardant 20 parts, defoamer 0.1 part, dispersant 0.1 part.
Described saturated polyester resin is flexible saturated polyester Bostik3320, Vylon670, SK300 etc. or fire-retardant saturated polyester Vylon763, preferably flexible saturated polyester and the collocation of fire-retardant saturated resin.
Described isocyanates isocyanates is opening carbimide and enclosed type carbimide, preferably two kinds isocyanates combinations, and resistance to elevated temperatures is excellent.
Described fire retardant be fire retardant be containing the organic of P, N or electrodeless fire retardant, the most electrodeless containing P fire retardant.
Described defoamer and dispersant are organic-silicon-modified resin.
The thickness of described pet layer 1 is 10～50um.
The thickness of described polyester adhesive adhensive layer 2 is 10～40um.
The thickness of described parting agent layer 3 is 100～150um.
Described parting agent layer is off-style paper layer or release film layer, and mould release is that non-silicon is release or silicone release agent, and the thickness of off-style paper layer is 100～150um, and the thickness of release film layer is 50～100um.
The processing technology of the present invention is as follows:
One, by saturated polyester resin 50 parts, isocyanates 15 parts, fire retardant 20 parts, defoamer 0.1 part, dispersant 0.1 part mixing, polyester adhesive adhensive layer 2 is made；
Two, being coated on pet layer 1 by polyester adhesive adhensive layer 2, baking temperature 150 DEG C, the time is 3.0min；
Three, parting agent layer 3 is enclosed after having toasted,.
This detailed description of the invention has the advantages that its simple in construction, reasonable in design, makes simple, and it has high flame retardant, high-peeling strength, low-shrinkage, low flow adhesive.
Embodiment one:
Saturated polyester (Bostik3320) is put into 47.3 parts, saturated polyester (Bostik5833) puts into 8 parts, opening isocyanates (N 3390) puts into 14.22 parts, blocked isocyanate (BI7982) puts into 9.48 parts, fire retardant (Clariant OP935) puts into 20 parts, defoamer (apology 6800), dispersant (BYK-163) respectively put into 0.5 part and are mixed to prepare polyester adhesive, polyester adhesive is coated on a pet film, baking temperature 150 degree, time is 3.0min, toast and enclosed release paper, prepared PET coverlay.
Embodiment two:
Saturated polyester (Bostik3320) is put into 33.3 parts, saturated polyester (Vylon763) puts into 8 parts, opening isocyanates (N 3390) puts into 10.62 parts, blocked isocyanate (BI7982) puts into 7.08 parts, fire retardant (Clariant OP935) puts into 20 parts, defoamer (apology 6800), dispersant (BYK-163) respectively put into 0.5 part and are mixed to prepare polyester adhesive, polyester adhesive is coated on a pet film, baking temperature 150 degree, time is 3.0min, toast and enclosed release paper, prepared PET coverlay.
Referring to Fig. 2, embodiment two comparative example one has superiority completely at fire-retardant aspect, can reach performance requirement, possesses requirement and the characteristic of the present invention, the polyester gluing agent prescription that preferred embodiment two is invented for this, prepares PET protection film.
The above is only in order to illustrate technical scheme and unrestricted, other amendment or equivalent that technical scheme is made by those of ordinary skill in the art, without departing from the spirit and scope of technical solution of the present invention, all should contain in the middle of scope of the presently claimed invention.
Claims (10)
1. the PET protection film of a PET flexibility coat copper plate; it is characterized in that it comprises pet layer (1), polyester adhesive adhensive layer (2) and off-style paper layer (3); described pet layer (1) upper surface is coated with polyester adhesive adhensive layer (2); the upper surface of polyester adhesive adhensive layer (2) is provided with off-style paper layer (3), and described polyester adhesive adhensive layer (2) is made up of saturated polyester resin 30～60 parts, isocyanates 10～25 parts, fire retardant 15～35 parts, defoamer 0.1～1.0 parts, dispersant 0.1～1.0 parts.
2. the PET protection film of a PET flexibility coat copper plate, it is characterised in that its processing technology is as follows:
(1), by saturated polyester resin 30～60 parts, isocyanates 10～25 parts, fire retardant 15～35 parts, defoamer 0.1～1.0 parts, dispersant 0.1～1.0 parts of mixing, polyester adhesive adhensive layer is made；
(2), being coated on pet layer by polyester adhesive adhensive layer, baking temperature 120-180 DEG C, the time is 2.0-4.0min；
(3), toasted and enclosed off-style paper layer afterwards,.
The PET protection film of a kind of PET flexibility coat copper plate the most according to claim 1; it is characterized in that described saturated polyester resin is for flexibility saturated polyester Bostik3320, Vylon670, SK300 etc. or fire-retardant saturated polyester Vylon763, preferably flexible saturated polyester and the collocation of fire-retardant saturated resin.
The PET protection film of a kind of PET flexibility coat copper plate the most according to claim 1, it is characterised in that described isocyanates isocyanates is opening carbimide and enclosed type carbimide, preferably two kinds isocyanates combinations.
The PET protection film of a kind of PET flexibility coat copper plate the most according to claim 1, it is characterised in that described fire retardant be fire retardant be containing the organic of P, N or electrodeless fire retardant, the most electrodeless containing P fire retardant.
The PET protection film of a kind of PET flexibility coat copper plate the most according to claim 1, it is characterised in that described defoamer and dispersant are organic-silicon-modified resin.
The PET protection film of a kind of PET flexibility coat copper plate the most according to claim 1; it is characterized in that described parting agent layer is off-style paper layer or release film layer; and mould release is that non-silicon is release or silicone release agent; the thickness of off-style paper layer is 100～150um, and the thickness of release film layer is 50～100um.
The PET protection film of a kind of PET flexibility coat copper plate the most according to claim 1, it is characterised in that the thickness of described pet layer (1) is 10～50um.
The PET protection film of a kind of PET flexibility coat copper plate the most according to claim 1, it is characterised in that the thickness of described polyester adhesive adhensive layer (2) is 10～40um.
The PET protection film of a kind of PET flexibility coat copper plate the most according to claim 1, it is characterised in that the thickness of described off-style paper layer (3) is 100～150um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510182817.XA CN105838272A (en) | 2015-04-17 | 2015-04-17 | PET protective film of PET flexible copper clad laminate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510182817.XA CN105838272A (en) | 2015-04-17 | 2015-04-17 | PET protective film of PET flexible copper clad laminate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105838272A true CN105838272A (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510182817.XA Pending CN105838272A (en) | 2015-04-17 | 2015-04-17 | PET protective film of PET flexible copper clad laminate |
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| CN (1) | CN105838272A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021042418A1 (en) * | 2019-09-05 | 2021-03-11 | 深圳市柳鑫实业股份有限公司 | Insulating dielectric adhesive film and preparation method therefor, and multilayer printed circuit board |
Citations (7)
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|---|---|---|---|---|
| US3574048A (en) * | 1967-06-07 | 1971-04-06 | Schjeldahl Co G T | Adhesive for system copper-polyethylene terephthalate laminates |
| US4487909A (en) * | 1982-08-09 | 1984-12-11 | E. I. Du Pont De Nemours And Company | Ternary adhesive systems containing a polyester polyol, an isocyanate-polyester-urethane, and a crosslinking agent which is a polyisocyanate |
| JPH03121183A (en) * | 1989-10-03 | 1991-05-23 | Panatsuku Kk | Composition capable of facilitating bonding |
| JP2003238930A (en) * | 2002-02-18 | 2003-08-27 | Toyobo Co Ltd | Resin composition for adhesive and laminate using the same |
| 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 |
| CN102010578A (en) * | 2010-07-16 | 2011-04-13 | 广东生益科技股份有限公司 | Black halogen free resin composite, cover film prepared by using same and making method thereof |
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2015
- 2015-04-17 CN CN201510182817.XA patent/CN105838272A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3574048A (en) * | 1967-06-07 | 1971-04-06 | Schjeldahl Co G T | Adhesive for system copper-polyethylene terephthalate laminates |
| US4487909A (en) * | 1982-08-09 | 1984-12-11 | E. I. Du Pont De Nemours And Company | Ternary adhesive systems containing a polyester polyol, an isocyanate-polyester-urethane, and a crosslinking agent which is a polyisocyanate |
| JPH03121183A (en) * | 1989-10-03 | 1991-05-23 | Panatsuku Kk | Composition capable of facilitating bonding |
| JP2003238930A (en) * | 2002-02-18 | 2003-08-27 | Toyobo Co Ltd | Resin composition for adhesive and laminate using the same |
| 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 |
| CN102010578A (en) * | 2010-07-16 | 2011-04-13 | 广东生益科技股份有限公司 | Black halogen free resin composite, cover film prepared by using same and making method thereof |
Non-Patent Citations (1)
| Title |
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| 茹敬宏: "聚酯薄膜挠性覆铜板的制备及性能研究", 《广东化工》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021042418A1 (en) * | 2019-09-05 | 2021-03-11 | 深圳市柳鑫实业股份有限公司 | Insulating dielectric adhesive film and preparation method therefor, and multilayer printed circuit board |
| JP2022508986A (en) * | 2019-09-05 | 2022-01-20 | 深▲セン▼市柳▲キン▼実業股▲フン▼有限公司 | Insulation adhesive film and its manufacturing method, multi-layer printed wiring board |
| JP7146301B2 (en) | 2019-09-05 | 2022-10-04 | 深▲セン▼市柳▲キン▼実業股▲フン▼有限公司 | Insulating adhesive film and its manufacturing method, multilayer printed wiring board |
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Application publication date: 20160810 |