CN203305606U - Heat-resistant BOPET (biaxially-oriented polyethylene terephthalate) protective film for fireproof plate - Google Patents
Heat-resistant BOPET (biaxially-oriented polyethylene terephthalate) protective film for fireproof plate Download PDFInfo
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- CN203305606U CN203305606U CN2013202494420U CN201320249442U CN203305606U CN 203305606 U CN203305606 U CN 203305606U CN 2013202494420 U CN2013202494420 U CN 2013202494420U CN 201320249442 U CN201320249442 U CN 201320249442U CN 203305606 U CN203305606 U CN 203305606U
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Abstract
The utility model discloses a heat-resistant BOPET (biaxially-orientated polyethylene terephthalate)) protective film for a fireproof plate. The heat-resistant BOPET protective film takes a BOPET thin film as a base film, and an organic silica heat-resistant coating with the thickness of 2-5 micrometers is formed on the surface of the base film. The organic silica heat-resistant coating is obtained by a method comprising the following steps of: carrying out corona treatment on the surface of the BOPET thin film, so that a corona value is 48-52 dyne; then coating an organic silica coating onto the surface of BOPET thin film by adopting a coating machine, and thermocuring to obtain the organic silica heat-resistant coating, wherein the organic silica coating comprises the following components in parts by weight: 1-90 parts of diluter, 4-50 parts of prepolymer, 0-10 parts of inorganic additive, 2-15 parts of hydrochloric acid and 50-85 parts of water, and the prepolymer is at least one of alkoxy silane, glycidyl ether and metal alkoxide. The heat-resistant BOPET protective film has the advantages that the organic silica heat-resistant coating has good fastness uniformity with the base film, the heat-resistant fireproofing property of the base film is improved, and the heat-resistant BOPET protective film can serve as a home building material and a fireproof plate protective film of an electrician circuit.
Description
Technical field
The utility model belongs to the film field, is specifically related to a kind of heat resistant fire-proof plate BOPET diaphragm.
Background technology
BOPET film (being biaxially oriented polyester film) has that intensity is high, good rigidly, transparent, glossiness high; Odorless, tasteless, colourless, nontoxic, outstanding obdurability particularly, and be widely used in automobile, household, in the diaphragm of electronic product.But find in actual applications to shrink fire-retardant fireproof performance bad at common BOPET film heating.
The utility model content
The utility model is intended to improve the heat resistance of BOPET film, and a kind of heat resistant fire-proof plate BOPET diaphragm is provided.
The technical scheme that the above-mentioned purpose that realizes the utility model adopts is as follows:
A kind of heat resistant fire-proof plate BOPET diaphragm, it be take the BOPET film and is basement membrane, has the organic silica refractory coating of one deck in membrane surface.
Further, described BOPET film thickness is 25～150 μ m.
Further, described organic silica refractory coating thickness is 2～5 μ m.
Described organic silica refractory coating is to obtain by the following method:
(1) the BOPET film surface carries out sided corona treatment, makes corona value 48～52 dyne;
(2) the recycling coating machine is applied to the BOPET surface by organic silica coating, and heat cure, obtain organic silica refractory coating;
Described organic silica coating comprises the diluent of 1～90 part, the prepolymer of 4～50 parts, the inorganic additive of 0～10 part, the hydrochloric acid of 2～15 parts and the water of 50～85 parts by weight;
Described prepolymer is at least a in alkoxy silane, glycidol ether and metal alkoxide.
Described alkoxy silane has following structural formula:
Wherein R is methyl, ethyl, propyl group, methoxyl group, ethyoxyl, phenyl or γ-glycidoxy.
Described alkoxy silane is concrete tetraethoxysilane, dimethyldiethoxysilane, MTES, aminomethyl phenyl diethoxy silane and γ-(2,3-epoxy the third oxygen) propyl trimethoxy silicane.
Described glycidol ether is ethylene glycol diglycidylether, BDDE or 1,6-hexanediol diglycidyl ether.
Described metal alkoxide is Ti (OC
2H
5)
4.
Further, described organic silica coating comprises the diluent of 20～80 parts, the prepolymer of 30～40 parts, the inorganic additive of 0～5 part, the hydrochloric acid of 6～10 parts and the water of 50～85 parts by weight.
Further, described organic silica coating comprises the diluent of 40～60 parts, the prepolymer of 30～40 parts, the inorganic additive of 2～4 parts, the hydrochloric acid of 6～10 parts and the water of 65～80 parts by weight.
Further, described diluent can be methyl alcohol, ethanol, acetone, oxolane, ethylene glycol, glycerine, diethylene glycol dimethyl ether, 1, at least a in 3-dioxolane and methyl-sulfoxide.
Further, described inorganic additive is at least a in silica, schmigel, titanium dioxide, magnesium hydroxide and calcium hydroxide.
Beneficial effect: by heating promote and catalysis prepolymer monomer between and prepolymer between film, occurs to be hydrolyzed and cross-linking reaction; reaction has further been accelerated in solvent and water volatilization simultaneously; the method has realized that coating is combined in the mode of chemical bonding with film; strengthened on the one hand the firm uniformity of coating; improved on the other hand the heat resistant fire-proof of film; can be used for the household building materials, the PLASTIC LAMINATED diaphragm of electrical engineering circuit.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of heat resistant fire-proof plate with the BOPET diaphragm, wherein, and the organic silica refractory coating of A-, B-BOPET film.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further details.
Embodiment 1
Organic silica coating forms by weight:
Ethanol 60 weight portions
Tetraethoxysilane 10 weight portions
Dimethyldiethoxysilane 20 weight portions
Silica 3 weight portions
Hydrochloric acid 8 weight portions
Water 80 weight portions
By 60 parts by weight of ethanol, 10 weight portion hydrochloric acid (concentration of hydrochloric acid solution is 10.54wt%) and 80 weight parts waters evenly mix, and obtain mixed solution, get 10 weight portion tetraethoxysilanes (Shanghai extremely prosperous chemical industry Co., Ltd, purity: 99%), 20 weight portion dimethyldiethoxysilanes (Shanghai ethyl chemical industry Co., Ltd, purity > 97%), 3 weight portion silica (German Wa Ke company, model: V15), add mixed solution, continuous stirring is even, obtains coating fluid.
The BOPET film surface of sided corona treatment being crossed to (corona value 48 dyne) thickness and be 135 μ m carries out the alcohol cleaning; except degreasing and impurity; hot-air seasoning; the coating fluid more than prepared is as for hopper, through coating machine coating, 3 microns of coating thickness; be heating and curing; hardening time 20s, 80 ℃ of solidification temperatures, rolling makes the BOPET diaphragm.
Embodiment 2
Organic silica coating forms by weight:
Ethanol 50 weight portions
MTES 15 weight portions
Aminomethyl phenyl diethoxy silane 25 weight portions
Silica 2 weight portions
Hydrochloric acid 6 weight portions
Water 70 weight portions
By 50 parts by weight of ethanol, 6 weight portion hydrochloric acid (concentration of hydrochloric acid solution is 10.54wt%) and 70 weight parts waters evenly mix, obtain mixed solution, get 15 weight portion MTESs (Nanjing is chemical industry Co., Ltd forward, content >=99%), 25 weight portion aminomethyl phenyl diethoxy silane (Hangzhou Ka Wei Chemical Industry Science Co., Ltd, content >=98%), 2 weight portion silica (German Wa Ke company, model: V15) add mixed solution, continuous stirring is even, obtains coating fluid.
The BOPET film surface of sided corona treatment being crossed to (corona value 48 dyne) thickness and be 135 μ m carries out the alcohol cleaning; except degreasing and impurity; hot-air seasoning; the coating fluid more than prepared is as for hopper, through coating machine coating, 3 microns of coating thickness; be heating and curing; hardening time 20s, 80 ℃ of solidification temperatures, rolling makes the BOPET diaphragm.
Embodiment 3
Organic silica coating forms by weight:
Ethanol 60 weight portions
Dimethyldiethoxysilane 35 weight portions
Titanium dioxide 3 weight portions
Hydrochloric acid 10 weight portions
Water 80 weight portions
By 60 parts by weight of ethanol, 10 weight portion hydrochloric acid (concentration of hydrochloric acid solution is 10.54wt%) and 80 weight parts waters evenly mix, obtain mixed solution, get 35 weight portion dimethyldiethoxysilanes (Hebei Tai Feng chemical industry responsibility Co., Ltd, content: 97%), (hundred gloomy prolonging make nanosecond science and technology Co., Ltd to 3 parts by weight of titanium dioxide, model: N6028B), add mixed solution, continuous stirring is even, obtains coating fluid.
The BOPET film surface of sided corona treatment being crossed to (corona value 52 dyne) thickness and be 135 μ m carries out the alcohol cleaning; except degreasing and impurity; hot-air seasoning; the coating fluid more than prepared is as for hopper, through coating machine coating, 3 microns of coating thickness; be heating and curing; hardening time 20s, 80 ℃ of solidification temperatures, rolling makes the BOPET diaphragm.
Embodiment 4
Organic silica coating forms by weight:
Ethanol 40 weight portions
γ-(2,3-epoxy the third oxygen) propyl trimethoxy silicane 10 weight portions
Dimethoxy diethylsilane 20 weight portions
Magnesium hydroxide 4 weight portions
Hydrochloric acid 10 weight portions
Water 65 weight portions
By 40 parts by weight of ethanol, 10 weight portion hydrochloric acid (concentration of hydrochloric acid solution is 10.54wt%) and 65 weight parts waters evenly mix, obtain mixed solution, get 10 weight portion γ-(2,3-epoxy the third oxygen) propyl trimethoxy silicane (Jingzhou Jianghan Fine Chemical Co., Ltd., purity: 98%), (Nanjing is chemical industry Co., Ltd forward for 20 weight portion dimethoxy diethylsilanes, content >=99%), 4 weight portion magnesium hydroxides (Yantai Ai Fuer Chinese workers Science and Technology Ltd., purity: 99.9%), add mixed solution, continuous stirring is even, obtains coating fluid.
The BOPET film surface of sided corona treatment being crossed to (corona value 50 dyne) thickness and be 135 μ m carries out the alcohol cleaning; except degreasing and impurity; hot-air seasoning; the coating fluid more than prepared is as for hopper, through coating machine coating, 3 microns of coating thickness; be heating and curing; hardening time 20s, 80 ℃ of solidification temperatures, rolling makes the BOPET diaphragm.
Embodiment 5
Organic silica coating forms by weight:
Ethanol 60 weight portions
Ethylene glycol diglycidylether 20 weight portions
Dimethoxy (ethyoxyl) propyl silane 20 weight portions
Calcium hydroxide 2 weight portions
Hydrochloric acid 9 weight portions
Water 75 weight portions
By 60 parts by weight of ethanol, 9 weight portion hydrochloric acid (concentration of hydrochloric acid solution is 10.54wt%) and 75 weight parts waters evenly mix, obtain mixed solution, get 20 weight portion ethylene glycol diglycidylethers (Guangzhou one husband's chemical industry goods and materials Co., Ltd, model: YF-806), 20 weight portion dimethoxy (ethyoxyl) propyl silane (Chengdu Ai Keda chemical reagent Co., Ltds, purity: 99%), 2 weight portion calcium hydroxides (the refining calcification of the auspicious Sheng in Jintan City Co., Ltd, purity: 97%), add mixed solution, continuous stirring is even, obtains coating fluid.
The BOPET film surface of sided corona treatment being crossed to (corona value 48 dyne) thickness and be 135 μ m carries out the alcohol cleaning; except degreasing and impurity; hot-air seasoning; the coating fluid more than prepared is as for hopper, through coating machine coating, 3 microns of coating thickness; be heating and curing; hardening time 20s, 80 ℃ of solidification temperatures, rolling makes the BOPET diaphragm.
Sample combustion and heat-resisting method of testing
1 vertical combustion method of testing secundum legem UL-94 sample preparation test
2 oxygen index (OI) survey method examination secundum legem GB/T2406 sample preparation tests
3 heat resistance method of testings
Temperature while analyzing heat-pesistant thin film BOPET mass loss 5% by thermogravimetric analyzer (Pyris 1, U.S. PE company), example weight is 2～4mg, 10 ℃ of min of programming rate
-1, air atmosphere, air velocity 20mLmin
-1, 50～800 ℃ of temperature ranges.
The sample combustion the performance test results is as follows:
Claims (3)
1. heat resistant fire-proof plate BOPET diaphragm, it be take the BOPET film and is basement membrane, it is characterized in that: have the organic silica refractory coating of one deck in membrane surface.
2. heat resistant fire-proof plate BOPET diaphragm according to claim 1, it is characterized in that: described BOPET film thickness is 25～150 μ m.
3. heat resistant fire-proof plate BOPET diaphragm according to claim 1, it is characterized in that: described organic silica refractory coating thickness is 2～5 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202494420U CN203305606U (en) | 2013-05-09 | 2013-05-09 | Heat-resistant BOPET (biaxially-oriented polyethylene terephthalate) protective film for fireproof plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202494420U CN203305606U (en) | 2013-05-09 | 2013-05-09 | Heat-resistant BOPET (biaxially-oriented polyethylene terephthalate) protective film for fireproof plate |
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| Publication Number | Publication Date |
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| CN203305606U true CN203305606U (en) | 2013-11-27 |
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| CN2013202494420U Expired - Fee Related CN203305606U (en) | 2013-05-09 | 2013-05-09 | Heat-resistant BOPET (biaxially-oriented polyethylene terephthalate) protective film for fireproof plate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264566A (en) * | 2013-05-09 | 2013-08-28 | 无锡市中星工业胶带有限公司 | BOPET protection film for heat and fire resistant plate |
| CN106166865A (en) * | 2016-08-30 | 2016-11-30 | 无锡市中星工业胶带有限公司 | A kind of flame-retardant and anti-static BOPET composite membrane |
| CN106183214A (en) * | 2016-08-30 | 2016-12-07 | 无锡市中星工业胶带有限公司 | A kind of uvioresistant, heat-resisting BOPET film |
-
2013
- 2013-05-09 CN CN2013202494420U patent/CN203305606U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264566A (en) * | 2013-05-09 | 2013-08-28 | 无锡市中星工业胶带有限公司 | BOPET protection film for heat and fire resistant plate |
| CN103264566B (en) * | 2013-05-09 | 2015-08-19 | 无锡市中星工业胶带有限公司 | A kind of heat resistant fire-proof plate BOPET diaphragm |
| CN106166865A (en) * | 2016-08-30 | 2016-11-30 | 无锡市中星工业胶带有限公司 | A kind of flame-retardant and anti-static BOPET composite membrane |
| CN106183214A (en) * | 2016-08-30 | 2016-12-07 | 无锡市中星工业胶带有限公司 | A kind of uvioresistant, heat-resisting BOPET film |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214000 Jiangsu city of Wuxi Province Yu Qi Huishan Economic Development Zone, supporting the district (Jade Village) Patentee after: Wuxi Zhongxing new materials Polytron Technologies Inc Address before: 214000 Jiangsu city of Wuxi Province Yu Qi Huishan Economic Development Zone, supporting the district (Jade Village) Patentee before: Wuxi Zhongxing Industrial Adhesive Tape Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20190509 |
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| CF01 | Termination of patent right due to non-payment of annual fee |