CN101564720B - Preparation method of biaxially oriented polyester film surface wear-resistant scratch-resistant coating - Google Patents
Preparation method of biaxially oriented polyester film surface wear-resistant scratch-resistant coating Download PDFInfo
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- CN101564720B CN101564720B CN2009100720764A CN200910072076A CN101564720B CN 101564720 B CN101564720 B CN 101564720B CN 2009100720764 A CN2009100720764 A CN 2009100720764A CN 200910072076 A CN200910072076 A CN 200910072076A CN 101564720 B CN101564720 B CN 101564720B
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Abstract
A preparation method of biaxially oriented polyester (BOPET) film surface wear-resistant scratch-resistant coating relates to a preparation method of a BOPET film surface coating and solves the problems of high cost and poor wear resistance and scratch resistance of the coating when preparing the BOPET film surface wear-resistant scratch-resistant coating in the prior art. The preparation method of the invention includes the following steps of: uniformly mixing polyurethane hexa-acrylate, epoxy modified acrylate, dipentaerythritol monohydroxy hexa-acrylate, trimethylolpropane tri-acrylate, tripropylene glycol diacrylate, butyl titanate and compound cracking light trigger to obtain coating material; then coating the coating material on the BOPET film surface done with corona treatment, and finally obtaining the (BOPET) film surface wear-resistant scratch-resistant coating after ultraviolet curing. The BOPET film surface wear-resistant scratch-resistant coating has low cost and good wearresistance and scratch resistance, and the coating performance pencil hardness is over 3H.
Description
Technical field
The present invention relates to the preparation method of biaxially oriented polyester film surface coating.
Background technology
Biaxial stretching polyester (BOPET) film has good photoelectric comprehensive performance as optoelectronic thin film material, but owing to receive the influence of photovoltaic application conditions, requires it to have special performances such as good wearability and scratch resistance performance.Therefore yet BOPET is difficult to satisfy above performance requirement, requires coating is carried out on its surface, reaching the purpose that improves hardness and toughness, and then reaches requirement wear-resisting, the scratch resistance performance.
At present; Mostly biaxial stretching polyester (BOPET) the film surface wear-resistant scratch-resistant coating material that is applied to industry of domestic independent research is the silicone based hybrid systems with nano silicon of heat cure, and its cycle hardening time is long, generally at 0.5～4h; Big energy-consuming; And the coating life cycle is short, poor performance, and the long-term investment cost is high.Based on above present situation, coating wear-resisting, scratch resistant biaxially oriented polyester film surface required on the domestic industry mainly depends on import, but its cost is equally very high.Therefore, domestic independent research production cost is low, and wear-resistant scratch-resistant can good BOPET film surface wear-resistant scratch-resistant coating be present problem demanding prompt solution.
Summary of the invention
The objective of the invention is in order to solve prior art for preparing biaxial stretching polyester (BOPET) film surface wear-resistant scratch-resistant coating cost high; The problem that gained coating wear-resistant scratch-resistant can differ from, the present invention provides the preparation method of biaxially oriented polyester film surface wear-resistant scratch-resistant coating.
The preparation method of biaxially oriented polyester film surface wear-resistant scratch-resistant coating; Realize through following steps: one, press ratio of quality and the number of copies 20～80 parts of polyurethane six acrylic acid ester, 5～15 parts of epoxy modification acrylates, 5～20 parts of dipentaerythritol monohydroxy six acrylic acid ester, 5～50 parts of trimethylolpropane triacrylates, 2～50 parts of tri (propylene glycol) diacrylates, 0.5～2 part of butyl titanate and 3～10 parts of compound crack type photoinitiators speed with 50～1000r/min in mixer are mixed 10～60min; Get coating; Wherein, compound crack type photoinitiator by ratio of quality and the number of copies by a kind of the mixing in 1,700 three kinds of light triggers of light trigger 1173, light trigger 1490, light trigger of 2～5 parts of light triggers 184 and 1～5 part; Two, the coating that step 1 is obtained is uniformly coated on the BOPET film surface that corona treatment is crossed, and is uv cure machine curing 4～10s of 1000W through power then, promptly gets biaxially oriented polyester film surface wear-resistant scratch-resistant coating.
Among the present invention, the ultraviolet light polymerization time is merely 4～10s, and hardening time is short, and less energy consumption has dwindled the production cycle, has reduced energy consumption, and production cost is reduced.Adopt polyurethane six acrylic acid ester compound among the present invention, the wear-resistant scratch-resistant ability on surface is provided with epoxy modification acrylate; Adopt trimethylolpropane triacrylate with the compound reactive diluent of tri (propylene glycol) diacrylate, regulate the required coating viscosity of coating, improve the uniformity of coating as coating material.Among the present invention the BOPET surface wear-resistant scratch-resistant coating that makes is carried out performance test, the coating performance pencil hardness of this biaxial stretching polyester (BOPET) film surface wear-resistant scratch-resistant coating is more than 3H, and the coating wear-resistant scratch-resistant can be good.In addition, the solid content that solidifies the back coating among the present invention is 100%, has solved the pollution problem to environment.The biaxially oriented polyester film surface wear-resistant scratch-resistant coating of gained of the present invention can be widely used in the protection of photovoltaic, in-mould injection with scratch resistance film and furniture plane materiel with scratch resistance composite membrane etc.
The specific embodiment
Technical scheme of the present invention is not limited to the following cited specific embodiment, also comprises the combination in any between each specific embodiment.
The specific embodiment one: the preparation method of this embodiment biaxially oriented polyester film surface wear-resistant scratch-resistant coating; Realize through following steps: one, press ratio of quality and the number of copies 20～80 parts of polyurethane six acrylic acid ester, 5～15 parts of epoxy modification acrylates, 5～20 parts of dipentaerythritol monohydroxy six acrylic acid ester, 5～50 parts of trimethylolpropane triacrylates, 2～50 parts of tri (propylene glycol) diacrylates, 0.5～2 part of butyl titanate and 3～10 parts of compound crack type photoinitiators speed with 50～1000r/min in mixer are mixed 10～60min; Get coating; Wherein, compound crack type photoinitiator by ratio of quality and the number of copies by a kind of the mixing in 1,700 three kinds of light triggers of light trigger 1173, light trigger 1490, light trigger of 2～5 parts of light triggers 184 and 1～5 part; Two, the coating that step 1 is obtained is uniformly coated on the BOPET film surface that corona treatment is crossed, and is uv cure machine curing 4～10s of 1000W through power then, promptly gets biaxially oriented polyester film surface wear-resistant scratch-resistant coating.
Table 1 is the biaxially oriented polyester film surface wear-resistant scratch-resistant coating The performance test results that the specific embodiment one makes.
In this embodiment, the biaxially oriented polyester film surface wear-resistant scratch-resistant coating that makes is carried out performance test, the result is as shown in table 1.
Table 1
As shown in table 1, the full light transmittance of the biaxially oriented polyester film surface wear-resistant scratch-resistant coating that this embodiment makes is more than 95%, and the coating pencil hardness is more than 3H, and the wear-resistant scratch-resistant of coating is good.In this embodiment, the ultraviolet light polymerization time is merely 4～10s, and hardening time is short, and less energy consumption has dwindled the production cycle, has reduced energy consumption, and production cost is reduced.
Light trigger used in this embodiment is the commercially available prod.
The specific embodiment two: this embodiment and the specific embodiment one are different is that epoxy modification acrylate used in the step 1 is to be 6230 epoxy modification acrylate by the model that Changxing, Taiwan chemical industry Co., Ltd produces.Other step and parameter are identical with the specific embodiment one.
The specific embodiment three: what this embodiment was different with the specific embodiment one or two is in the step 1 30～60 parts of polyurethane six acrylic acid ester, 8～12 parts of epoxy modification acrylates, 8～15 parts of dipentaerythritol monohydroxy six acrylic acid ester, 10～30 parts of trimethylolpropane triacrylates, 10～30 parts of tri (propylene glycol) diacrylates, 0.8～1.5 part of butyl titanate and 4～8 parts of compound crack type photoinitiators to be mixed.Other step and parameter are identical with the specific embodiment one or two.
The specific embodiment four: what this embodiment was different with the specific embodiment one or two is by ratio of quality and the number of copies 40 parts of polyurethane six acrylic acid ester, 10 parts of epoxy modification acrylates, 10 parts of dipentaerythritol monohydroxy six acrylic acid ester, 20 parts of trimethylolpropane triacrylates, 20 parts of tri (propylene glycol) diacrylates, 1 part of butyl titanate and 6 parts of compound crack type photoinitiators to be mixed in the step 1.Other step and parameter are identical with the specific embodiment one or two.
The specific embodiment five: what this embodiment and the specific embodiment one to four were different is before mixing, also to add 3～15 parts of organic nano particles by ratio of quality and the number of copies in the step 1.Other steps and parameter are identical with the specific embodiment one to four.
The specific embodiment six: what this embodiment and the specific embodiment five were different is that organic nano particle is the acrylate-based coupling agent modified nano silicon that BASF AG (BASF) produces.Other step and parameter are identical with the specific embodiment five.
The specific embodiment seven: what this embodiment and the specific embodiment one to six were different is before mixing, also to add 0.5～5 part of macromolecule wax by ratio of quality and the number of copies in the step 1.Other step and parameter and the specific embodiment one to six phase are together.
The specific embodiment eight: what this embodiment and the specific embodiment seven were different is that macromolecule wax is polyethylene (PE) wax, polypropylene (PP) wax or polytetrafluoroethylene (PTFE) wax.Other steps and parameter are identical with the specific embodiment seven.
The specific embodiment nine: what this embodiment and the specific embodiment one to eight were different is that mixer mixes with the speed of 600～900r/min in the step 1.Other step and parameter are identical with the specific embodiment one to eight.
The specific embodiment ten: what this embodiment and the specific embodiment one to nine were different is that mixer mixes with the speed of 800r/min in the step 1.Other step and parameter are identical with the specific embodiment one to nine.
The specific embodiment 11: what this embodiment and the specific embodiment one to ten were different is that incorporation time is 30～50min in the step 1.Other step and parameter are identical with the specific embodiment one to ten.
The specific embodiment 12: what this embodiment and the specific embodiment one to 11 were different is that the BOPET film that corona treatment is crossed in the step 2 is provided by Hefei Lucky Science & Technology Industry Co., Ltd..Other step and parameter are identical with the specific embodiment one to 11.
The specific embodiment 13: what this embodiment and the specific embodiment one to 12 were different is in the step 2 coating that mixes to be uniformly coated on the BOPET surface, and coating thickness is 2～5 μ m.Other step and parameter are identical with the specific embodiment one to 12.
The specific embodiment 14: what this embodiment and the specific embodiment one to 13 were different is that the step 2 medium ultraviolet photocuring time is 8s.Other step and parameter are identical with the specific embodiment one to 13.
The specific embodiment 15: that this embodiment and the specific embodiment one to six, nine to 14 are different is the preparation method of two-way surface of polyester wear-resistant scratch-resistant coating; Realize through following steps: one, press ratio of quality and the number of copies 40 parts of polyurethane six acrylic acid ester, 10 parts of epoxy modification acrylates, 10 parts of dipentaerythritol monohydroxy six acrylic acid ester, 20 parts of trimethylolpropane triacrylates, 20 parts of tri (propylene glycol) diacrylates, 0.5～2 part of butyl titanate, 5 parts of organic nano particles and 6 parts of compound crack type photoinitiators speed with 800r/min in mixer are mixed 30min; Get coating; Wherein, compound crack type photoinitiator mixes by the light trigger 1173 of ratio of quality and the number of copies by 4 parts of light triggers 184 and 2 parts.Two, the coating that step 1 is obtained is uniformly coated on the BOPET surface, is the uv cure machine curing 8s of 1000W through overpower, processes wear-resistant scratch-resistant coating, promptly gets the biaxial stretching polyester surface wear-resistant scratch-resistant coating.Other step and parameter are identical with the specific embodiment one to six, nine to 14.
The specific embodiment 16: that this embodiment and the specific embodiment one to four, seven to 14 are different is the preparation method of two-way surface of polyester wear-resistant scratch-resistant coating; Realize through following steps: one, press ratio of quality and the number of copies 40 parts of polyurethane six acrylic acid ester, 10 parts of epoxy modification acrylates, 10 parts of dipentaerythritol monohydroxy six acrylic acid ester, 20 parts of trimethylolpropane triacrylates, 20 parts of tri (propylene glycol) diacrylates, 0.5～2 part of butyl titanate, 0.5 part of Tissuemat E and 6 parts of compound crack type photoinitiators speed with 800r/min in mixer are mixed 30min; Get coating; Wherein, compound crack type photoinitiator mixes by the light trigger 1700 of ratio of quality and the number of copies by 4 parts of light triggers 184 and 2 parts.Two, the coating that step 1 is obtained is uniformly coated on the BOPET surface, is the uv cure machine curing 8s of 1000W through overpower, processes wear-resistant scratch-resistant coating, promptly gets the biaxial stretching polyester surface wear-resistant scratch-resistant coating.Other step and parameter are identical with the specific embodiment one to four, seven to 14.
The specific embodiment 17: that this embodiment and the specific embodiment one to 14 are different is the preparation method of two-way surface of polyester wear-resistant scratch-resistant coating; Realize through following steps: one, press ratio of quality and the number of copies 40 parts of polyurethane six acrylic acid ester, 10 parts of epoxy modification acrylates, 10 parts of dipentaerythritol monohydroxy six acrylic acid ester, 20 parts of trimethylolpropane triacrylates, 20 parts of tri (propylene glycol) diacrylates, 0.5～2 part of butyl titanate, 5 parts of acrylate-based coupling agent modified nano silicons, 0.5 part of polypropylene wax and 6 parts of compound crack type photoinitiators speed with 800r/min in mixer are mixed 30min; Get coating; Wherein, compound crack type photoinitiator mixes by the light trigger 1173 of ratio of quality and the number of copies by 4 parts of light triggers 184 and 2 parts.Two, the coating that step 1 is obtained is uniformly coated on the BOPET surface, and coating thickness is 2～5 μ m, is the uv cure machine curing 8s of 1000W through overpower, processes wear-resistant scratch-resistant coating, promptly gets the biaxial stretching polyester surface wear-resistant scratch-resistant coating.Other step and parameter are identical with the specific embodiment one to 14.
The coating pencil hardness of the biaxial stretching polyester surface wear-resistant scratch-resistant coating that makes in this embodiment is more than 3H, and the wear-resistant scratch-resistant of coating is good.
Claims (9)
1. the preparation method of biaxially oriented polyester film surface wear-resistant scratch-resistant coating; The preparation method who it is characterized in that biaxially oriented polyester film surface wear-resistant scratch-resistant coating realizes through following steps: one, press ratio of quality and the number of copies 20～80 parts of polyurethane six acrylic acid ester, 5～15 parts of epoxy modification acrylates, 5～20 parts of dipentaerythritol monohydroxy six acrylic acid ester, 5～50 parts of trimethylolpropane triacrylates, 2～50 parts of tri (propylene glycol) diacrylates, 0.5～2 part of butyl titanate and 3～10 parts of compound crack type photoinitiators speed with 50～1000r/min in mixer are mixed 10～60min; Get coating; Wherein, compound crack type photoinitiator by ratio of quality and the number of copies by a kind of the mixing in 1,700 three kinds of light triggers of light trigger 1173, light trigger 1490, light trigger of 2～5 parts of light triggers 184 and 1～5 part; Two, the coating that step 1 is obtained is uniformly coated on the BOPET film surface that corona treatment is crossed, and uses power to solidify 4～10s as the uv cure machine of 1000W then, promptly gets biaxially oriented polyester film surface wear-resistant scratch-resistant coating.
2. the preparation method of biaxially oriented polyester film surface wear-resistant scratch-resistant coating according to claim 1 is characterized in that by ratio of quality and the number of copies 30～60 parts of polyurethane six acrylic acid ester, 8～12 parts of epoxy modification acrylates, 8～15 parts of dipentaerythritol monohydroxy six acrylic acid ester, 10～30 parts of trimethylolpropane triacrylates, 10～30 parts of tri (propylene glycol) diacrylates, 0.8～1.5 part of butyl titanate and 4～8 parts of compound crack type photoinitiators being mixed in mixer in the step 1.
3. the preparation method of biaxially oriented polyester film surface wear-resistant scratch-resistant coating according to claim 1 is characterized in that step 1 also adds the acrylate-based coupling agent modified nano silicon that 3～15 parts of BASF AG produce by ratio of quality and the number of copies before mixing.
4. according to the preparation method of claim 1 or 3 described biaxially oriented polyester film surface wear-resistant scratch-resistant coatings, it is characterized in that step 1 also adds 0.5～5 part of macromolecule wax by ratio of quality and the number of copies before mixing.
5. the preparation method of biaxially oriented polyester film surface wear-resistant scratch-resistant coating according to claim 4 is characterized in that macromolecule wax is Tissuemat E, polypropylene wax or polytetrafluoroethylene (PTFE) wax.
6. according to the preparation method of claim 1 or 3 described biaxially oriented polyester film surface wear-resistant scratch-resistant coatings, it is characterized in that mixer mixes with the speed of 600～900r/min in the step 1.
7. the preparation method of biaxially oriented polyester film surface wear-resistant scratch-resistant coating according to claim 4 is characterized in that mixer mixes with the speed of 600～900r/min in the step 1.
8. according to the preparation method of claim 1,3 or 7 described biaxially oriented polyester film surface wear-resistant scratch-resistant coatings; It is characterized in that in the step 2 coating that mixes being uniformly coated on the BOPET film surface that corona treatment is crossed, coating thickness is 2～5 μ m.
9. the preparation method of biaxially oriented polyester film surface wear-resistant scratch-resistant coating according to claim 8 is characterized in that the step 2 medium ultraviolet photocuring time is 8s.
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| CN101942727B (en) * | 2010-07-09 | 2011-10-19 | 江苏裕兴薄膜科技股份有限公司 | Polyester film harness wire and preparation method thereof |
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| CN104130698A (en) * | 2014-08-05 | 2014-11-05 | 张家港康得新光电材料有限公司 | Hardening coating material as well as preparation method and application thereof |
| CN105176429A (en) * | 2015-07-14 | 2015-12-23 | 潮安新纪源实业有限公司 | Anti-wear matt pre-coating film, preparation method and applications thereof |
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| CN107059393A (en) * | 2017-04-27 | 2017-08-18 | 江苏华昌织物有限公司 | A kind of preparation method for the fly net for being easy to cleaning to reclaim |
| CN110028892A (en) * | 2018-01-12 | 2019-07-19 | 北京康得新功能材料有限公司 | A kind of functional paint easy to clean and preparation method thereof for BOPET pre-coating film |
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| CN1040993A (en) * | 1988-09-06 | 1990-04-04 | 赫希斯特人造丝公司 | But contain the polyester film of extrusion coating of amido functional group silane base paint and the laminate film of extrusion coating thereof |
| CN1361807A (en) * | 1997-10-30 | 2002-07-31 | 纳幕尔杜邦公司 | Interdraw pretreatment for polyester film |
| CN101175799A (en) * | 2005-05-17 | 2008-05-07 | 伊士曼化工公司 | Conductively coated substrates derived from biaxially-oriented and heat-set polyester film |
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- 2009-05-20 CN CN2009100720764A patent/CN101564720B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1040993A (en) * | 1988-09-06 | 1990-04-04 | 赫希斯特人造丝公司 | But contain the polyester film of extrusion coating of amido functional group silane base paint and the laminate film of extrusion coating thereof |
| CN1361807A (en) * | 1997-10-30 | 2002-07-31 | 纳幕尔杜邦公司 | Interdraw pretreatment for polyester film |
| CN101175799A (en) * | 2005-05-17 | 2008-05-07 | 伊士曼化工公司 | Conductively coated substrates derived from biaxially-oriented and heat-set polyester film |
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Application publication date: 20091028 Assignee: Shantou Keyi Plastic Co., Ltd. Assignor: Harbin Institute of Technology Contract record no.: 2013440000063 Denomination of invention: Preparation method of biaxially oriented polyester film surface wear-resistant scratch-resistant coating Granted publication date: 20120111 License type: Exclusive License Record date: 20130306 |
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