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Layered film
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A laminated film and coating technology, applied in the direction of coating, layered products, synthetic resin layered products, etc., can solve problems such as flammability
Inactive Publication Date: 2013-11-20
TORAY IND INC
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[0004] However, the thermoplastic resin film itself is mainly composed of organic matter and is easy to burn. The white thermoplastic resin film used for the reflective film has a pore mechanism inside the film, so once a fire occurs, not only will the combustion not stop, but the air in the pores will promote combustion.
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Embodiment 1
[0131] Add the following substances under stirring at 25°C to make a coating solution:
[0132] Binder resin: 10.000g;
[0133] Toluene: 27.51g;
[0134] Flame retardant A without silicon element: 4.302g;
[0135] Compound A containing silicon element: 1.208g.
[0136] Then, it stirred at 25 degreeC for 30 minutes, and prepared the coating liquid.
[0137] A thermoplastic resin film (Lumira (registered trademark) E6SQ manufactured by Toray Co., Ltd.) made of porous biaxially stretched polyethylene terephthalate and having a thickness of 300 μm was prepared as a base thermoplastic resin film. ). On both sides of the substrate thermoplastic resin film, the above-mentioned coating liquid was coated using a bar coater model (Bande) 35 manufactured by Matsuo Sangyo Co., Ltd., and heated and dried at 120° C. for 1 minute to set the thickness after drying. A coating of 10.5 μm per side and a total thickness of 21 μm on both sides gave a laminated film according to the invention....
Embodiment 2
[0139] The laminated film of the present invention was obtained in the same manner as in Example 1 except that the composition of the coating liquid was as follows.
[0140] Binder resin: 10.000g;
[0141] Toluene: 28.216g;
[0142] Flame retardant A without silicon element: 4.277g;
[0143] Compound B containing silicon element: 0.277g.
Embodiment 3
[0145] The laminated film of the present invention was obtained in the same manner as in Example 1 except that the composition of the coating liquid was as follows.
[0146] Binder resin: 10.000g;
[0147] Toluene: 27.529g;
[0148] Flame retardant A without silicon element: 4.281g;
[0149] Compound A containing silicon element: 1.124g;
[0150] Compound C containing silicon element: 0.031 g.
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Abstract
A layered film which has improved flame retardancy on levels corresponding to HBF, HB, and V-2 as provided for in UL-94 by UNDERWRITERS LABORATORIES, Inc., U.S.A. The layered film comprises a base thermoplastic-resin film and, disposed on at least one side thereof, one or more coating layers each comprising a silicon-free flame retardant and a compound containing silicon element. The content by mass of the silicon-free flame retardant in the whole coating layers, F (mass%), and the content by mass of the silicon element in the whole coating layers, S (mass%), satisfy the following requirements (i) to (iii). (i) F (mass%) = 30 (ii) S (mass%) = 0.03 (iii) F+S (mass%) = 60 Also provided are a lamp reflector for backlights, a backlight, and a backlight including an LED. The reflector and the backlights employ the layered film.
Description
technical field [0001] The present invention relates to a flame-retardant laminated film used for electronic components and the like. More specifically, laminated films incorporated into backlights for liquid crystal displays, etc., sealing films for solar cell modules, laminated films for back sheets, and paper substitutes such as cards, tapes, sheets, and consignments Printing paper for single and video printing, imaging paper for inkjet and stick coating printing, posters, maps, dust-free paper, bulletin boards, whiteboards, thermal transfer printing, offset printing, telephone cards, IC cards, etc. in various printing records Laminated film used in electronic components such as the base material of receiver sheets, building materials such as wallpaper, indoor and outdoor lighting fixtures, indirect lighting fixtures, components installed on automobiles, trains and airplanes, and circuit materials. Background technique [0002] In liquid crystal televisions and solar cel...
Claims
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