CN103264566B - A kind of heat resistant fire-proof plate BOPET diaphragm - Google Patents
A kind of heat resistant fire-proof plate BOPET diaphragm Download PDFInfo
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- CN103264566B CN103264566B CN201310168490.1A CN201310168490A CN103264566B CN 103264566 B CN103264566 B CN 103264566B CN 201310168490 A CN201310168490 A CN 201310168490A CN 103264566 B CN103264566 B CN 103264566B
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- bopet
- organic silica
- heat resistant
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- resistant fire
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Abstract
The present invention discloses a kind of heat resistant fire-proof plate BOPET diaphragm.This diaphragm take BOPET film as basement membrane, has organic silica refractory coating of one deck 2 ~ 5 μm in membrane surface.Described in this, organic silica refractory coating obtains by the following method: sided corona treatment is carried out on BOPET film surface, makes corona value 48 ~ 52 dyne; Recycling coating machine is by organic silica coatings to BOPET surface, and heat cure, obtains organic silica refractory coating; Described organic silica coating comprises the water of 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 50 ~ 85 parts by weight; Described prepolymer is at least one in alkoxy silane, glycidol ether and metal alkoxide.This coating and substrate film have good firm uniformity, improve the heat resistant fire-proof of film simultaneously, can be used for household building materials, the PLASTIC LAMINATED diaphragm of electrical engineering circuit.
Description
Technical field
The invention belongs to film applications, be specifically related to a kind of heat resistant fire-proof plate BOPET diaphragm.
Background technology
BOPET film (i.e. biaxially oriented polyester film) has that intensity is high, good rigidly, transparent, glossiness high; Particularly odorless, tasteless, colourless, nontoxic, outstanding obdurability, and be widely used in automobile, household, in the diaphragm of electronic product.But to find in actual applications in common BOPET film heat shrink fire-retardant fireproof performance and bad.
Summary of the invention
The present invention is intended to the heat resistance improving BOPET film, provides a kind of heat resistant fire-proof plate BOPET diaphragm.
It is as follows that the present invention realizes the technical scheme that above-mentioned purpose adopts:
A kind of heat resistant fire-proof plate BOPET diaphragm, it take BOPET film as basement membrane, has the organic silica refractory coating of one deck in membrane surface.
Further, described BOPET film thickness is 25 ~ 150 μm.
Further, described organic silica refractory coating thickness is 2 ~ 5 μm.
Described organic silica refractory coating obtains by the following method:
(1) sided corona treatment is carried out on BOPET film surface, makes corona value 48 ~ 52 dyne;
(2) recycle coating machine by organic silica coatings to BOPET surface, heat cure, obtains organic silica refractory coating;
Described organic silica coating comprises the water of 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 50 ~ 85 parts by weight;
Described prepolymer is at least one 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.
What described alkoxy silane was concrete has tetraethoxysilane, dimethyldiethoxysilane, MTES, aminomethyl phenyl diethoxy silane and γ-(2,3-epoxy 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 water of 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 50 ~ 85 parts by weight.
Further, described organic silica coating comprises the water of 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 65 ~ 80 parts by weight.
Further, described diluent can be at least one in methyl alcohol, ethanol, acetone, oxolane, ethylene glycol, glycerine, diethylene glycol dimethyl ether, 1,3-dioxolane and methyl-sulfoxide.
Further, described inorganic additive is at least one in silica, schmigel, titanium dioxide, magnesium hydroxide and calcium hydroxide.
Beneficial effect: by heating promote and catalysis prepolymer monomer between and prepolymer occurs between film be hydrolyzed and cross-linking reaction; solvent and water volatilization simultaneously accelerates reaction further; the method achieves coating and is combined in the mode of chemical bonding with film; strengthen the firm uniformity of coating on the one hand; improve the heat resistant fire-proof of film on the other hand; can be used for household building materials, the PLASTIC LAMINATED diaphragm of electrical engineering circuit.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of heat resistant fire-proof plate BOPET diaphragm, wherein, and the organic silica refractory coating of A-, B-BOPET film.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further details.
Embodiment 1
Organic silica coating forms by weight:
Ethanol 60 weight portion
Tetraethoxysilane 10 weight portion
Dimethyldiethoxysilane 20 weight portion
Silica 3 weight portion
Hydrochloric acid 8 weight portion
Water 80 weight portion
By 60 parts by weight of ethanol, 10 weight portion hydrochloric acid (concentration of hydrochloric acid solution is 10.54wt%) and 80 weight parts water Homogeneous phase mixing, obtain mixed solution, get 10 weight portion tetraethoxysilanes (Shanghai to prosperous Chemical Co., Ltd., purity: 99%), 20 weight portion dimethyldiethoxysilanes (Shanghai ethyl Chemical Co., Ltd., purity >97%), 3 parts by weight of silica (German Wa Ke company, model: V15), add mixed solution, stir continuously, obtain coating fluid.
Sided corona treatment being crossed (corona value 48 dyne) thickness is that alcohol cleaning is carried out on the BOPET film surface of 135 μm; except degreasing and impurity; hot-air seasoning; the coating fluid more than prepared, as hopper, is coated with through coating machine, coating thickness 3 microns; be heating and curing; hardening time 20s, solidification temperature 80 DEG C, rolling obtains BOPET diaphragm.
Embodiment 2
Organic silica coating forms by weight:
Ethanol 50 weight portion
MTES 15 weight portion
Aminomethyl phenyl diethoxy silane 25 weight portion
Silica 2 weight portion
Hydrochloric acid 6 weight portion
Water 70 weight portion
By 50 parts by weight of ethanol, 6 weight portion hydrochloric acid (concentration of hydrochloric acid solution is 10.54wt%) and 70 weight parts water Homogeneous phase mixing, obtain mixed solution, get 15 weight portion MTESs (Nanjing is Chemical Co., Ltd. forward, content >=99%), 25 weight portion aminomethyl phenyl diethoxy silane (Hangzhou Ka Wei Chemical Industry Science Co., Ltd, content >=98%), 2 parts by weight of silica (German Wa Ke company, model: V15) add mixed solution, stir continuously, obtain coating fluid.
Sided corona treatment being crossed (corona value 48 dyne) thickness is that alcohol cleaning is carried out on the BOPET film surface of 135 μm; except degreasing and impurity; hot-air seasoning; the coating fluid more than prepared, as hopper, is coated with through coating machine, coating thickness 3 microns; be heating and curing; hardening time 20s, solidification temperature 80 DEG C, rolling obtains BOPET diaphragm.
Embodiment 3
Organic silica coating forms by weight:
Ethanol 60 weight portion
Dimethyldiethoxysilane 35 weight portion
Titanium dioxide 3 weight portion
Hydrochloric acid 10 weight portion
Water 80 weight portion
By 60 parts by weight of ethanol, 10 weight portion hydrochloric acid (concentration of hydrochloric acid solution is 10.54wt%) and 80 weight parts water Homogeneous phase mixing, obtain mixed solution, get 35 weight portion dimethyldiethoxysilanes (Hebei Tai Feng chemical industry responsibility Co., Ltd, content: 97%), 3 parts by weight of titanium dioxide (hundred Sen Yanling nanosecond science and technology Co., Ltds, model: N6028B), add mixed solution, stir continuously, obtain coating fluid.
Sided corona treatment being crossed (corona value 52 dyne) thickness is that alcohol cleaning is carried out on the BOPET film surface of 135 μm; except degreasing and impurity; hot-air seasoning; the coating fluid more than prepared, as hopper, is coated with through coating machine, coating thickness 3 microns; be heating and curing; hardening time 20s, solidification temperature 80 DEG C, rolling obtains BOPET diaphragm.
Embodiment 4
Organic silica coating forms by weight:
Ethanol 40 weight portion
γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane 10 weight portion
Dimethoxy diethylsilane 20 weight portion
Magnesium hydroxide 4 weight portion
Hydrochloric acid 10 weight portion
Water 65 weight portion
By 40 parts by weight of ethanol, 10 weight portion hydrochloric acid (concentration of hydrochloric acid solution is 10.54wt%) and 65 weight parts water Homogeneous phase mixing, obtain mixed solution, get 10 weight portion γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane (Jingzhou Jianghan Fine Chemical Co., Ltd., purity: 98%), (Nanjing is Chemical 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%), adds mixed solution, stir continuously, obtain coating fluid.
Sided corona treatment being crossed (corona value 50 dyne) thickness is that alcohol cleaning is carried out on the BOPET film surface of 135 μm; except degreasing and impurity; hot-air seasoning; the coating fluid more than prepared, as hopper, is coated with through coating machine, coating thickness 3 microns; be heating and curing; hardening time 20s, solidification temperature 80 DEG C, rolling obtains BOPET diaphragm.
Embodiment 5
Organic silica coating forms by weight:
Ethanol 60 weight portion
Ethylene glycol diglycidylether 20 weight portion
Dimethoxy (ethyoxyl) propyl silane 20 weight portion
Calcium hydroxide 2 weight portion
Hydrochloric acid 9 weight portion
Water 75 weight portion
By 60 parts by weight of ethanol, 9 weight portion hydrochloric acid (concentration of hydrochloric acid solution is 10.54wt%) and 75 weight parts water Homogeneous phase mixing, 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%), (the auspicious Sheng in Jintan City refines calcification Co., Ltd to 2 weight portion calcium hydroxides, purity: 97%), add mixed solution, stir continuously, obtain coating fluid.
Sided corona treatment being crossed (corona value 48 dyne) thickness is that alcohol cleaning is carried out on the BOPET film surface of 135 μm; except degreasing and impurity; hot-air seasoning; the coating fluid more than prepared, as hopper, is coated with through coating machine, coating thickness 3 microns; be heating and curing; hardening time 20s, solidification temperature 80 DEG C, rolling obtains BOPET diaphragm.
sample combustion and resistance to heat testing method
1 vertical combustion method of testing is tested according to standard UL-94 sample preparation
2 oxygen index (OI) survey method examinations are tested according to standard GB/T2406 sample preparation
3 heat resistance method of testings
Temperature when analyzing heat-pesistant thin film BOPET mass loss 5% by thermogravimetric analyzer (Pyris 1, PE company of the U.S.), example weight is 2 ~ 4mg, programming rate 10 DEG C of min
-1, air atmosphere, air velocity 20mLmin
-1, temperature range 50 ~ 800 DEG C.
Sample combustion the performance test results is as follows:
。
Claims (6)
1. a heat resistant fire-proof plate BOPET diaphragm, it is basement membrane with BOPET film, it is characterized in that: have the organic silica refractory coating of one deck in membrane surface;
Described organic silica refractory coating obtains by the following method:
(1) sided corona treatment is carried out on BOPET film surface, makes corona value 48 ~ 52 dyne;
(2) recycle coating machine by organic silica coatings to BOPET surface, heat cure, obtains organic silica refractory coating;
Described organic silica coating comprises the water of 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 50 ~ 85 parts by weight;
Described prepolymer is MTES and aminomethyl phenyl diethoxy silane.
2. heat resistant fire-proof plate BOPET diaphragm according to claim 1, is characterized in that: described BOPET film thickness is 25 ~ 150 μm.
3. heat resistant fire-proof plate BOPET diaphragm according to claim 1, is characterized in that: described organic silica refractory coating thickness is 2 ~ 5 μm.
4. heat resistant fire-proof plate BOPET diaphragm according to claim 1, is characterized in that: described diluent is the organic solvent dissolved each other with water.
5. heat resistant fire-proof plate BOPET diaphragm according to claim 4; it is characterized in that: described diluent is at least one in methyl alcohol, ethanol, acetone, oxolane, ethylene glycol, glycerine, diethylene glycol dimethyl ether, 1,3-dioxolane and methyl-sulfoxide.
6. heat resistant fire-proof plate BOPET diaphragm according to claim 1, is characterized in that: described inorganic additive is at least one in silica, schmigel, titanium dioxide, magnesium hydroxide and calcium hydroxide.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310168490.1A CN103264566B (en) | 2013-05-09 | 2013-05-09 | A kind of heat resistant fire-proof plate BOPET diaphragm |
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|---|---|---|---|
| CN201310168490.1A CN103264566B (en) | 2013-05-09 | 2013-05-09 | A kind of heat resistant fire-proof plate BOPET diaphragm |
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| CN103264566A CN103264566A (en) | 2013-08-28 |
| CN103264566B true CN103264566B (en) | 2015-08-19 |
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| CN104592848B (en) * | 2014-12-05 | 2017-02-22 | 佛山市南海高拓包装材料有限公司 | BOPET release film and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1476488A (en) * | 2001-10-05 | 2004-02-18 | �ձ�������ʽ���� | Iron core having excellent end face insulation and method of treating iron core end face to obtain insulating coating |
| TW201012882A (en) * | 2008-07-02 | 2010-04-01 | Idemitsu Kosan Co | Coating liquid, cured film, resin multilayer body, method for producing the cured film and method for producing the resin multilayer body |
| CN102079876A (en) * | 2009-11-26 | 2011-06-01 | Jsr株式会社 | Organic semiconductor orientation composition, organic semiconductor orientation film, organic semiconductor element and method for manufacturing same |
| CN203305606U (en) * | 2013-05-09 | 2013-11-27 | 无锡市中星工业胶带有限公司 | Heat-resistant BOPET (biaxially-oriented polyethylene terephthalate) protective film for fireproof plate |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2687181B2 (en) * | 1990-08-21 | 1997-12-08 | 宇部興産株式会社 | Composite material |
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2013
- 2013-05-09 CN CN201310168490.1A patent/CN103264566B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1476488A (en) * | 2001-10-05 | 2004-02-18 | �ձ�������ʽ���� | Iron core having excellent end face insulation and method of treating iron core end face to obtain insulating coating |
| TW201012882A (en) * | 2008-07-02 | 2010-04-01 | Idemitsu Kosan Co | Coating liquid, cured film, resin multilayer body, method for producing the cured film and method for producing the resin multilayer body |
| CN102079876A (en) * | 2009-11-26 | 2011-06-01 | Jsr株式会社 | Organic semiconductor orientation composition, organic semiconductor orientation film, organic semiconductor element and method for manufacturing same |
| CN203305606U (en) * | 2013-05-09 | 2013-11-27 | 无锡市中星工业胶带有限公司 | Heat-resistant BOPET (biaxially-oriented polyethylene terephthalate) protective film for fireproof plate |
Non-Patent Citations (1)
| Title |
|---|
| 李东光主编.聚合物乳液配方与工艺.《聚合物乳液配方与工艺》.化学工业出版社,2012,第299页. * |
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Address after: 214000 Jiangsu province Wuxi Yuxi 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. |