Optical thin film
Technical field
The present invention relates to a kind of film, be specifically related to a kind of optical thin film.
Background technology
Optical thin film is as the upstream materials of key, possess the characteristics such as high surface finish, high transmission rate, low haze and thickness deviation are little, can meet that market is in large size to optical thin film completely, slimming, lightweight, high precision, consistance, many-sided demand such as reliability and adaptation assembling, and be able to widely use in various fields, as: flat-panel monitor, contact panel, form, reflecting label, household electrical appliance, computer and shell, auto parts and components, keyboard, cosmetic bottle etc.
But, for the optical material used at present, as: glass belongs to hard brittle material, and crash resistance is bad, very easily damages in use procedure, and production cost is high, processing difficulties, loss percentage are high; Makrolon material, though possessing high strength and elasticity coefficient, but high impact strength, serviceability temperature scope its maximum weak point wide be that skin hardness is low, resistance to marring is bad; Polymethylmethacrylate, high optical transparency, good weatherability, skin hardness are high, but its impact strength is low, processing difficulties; Polyethylene terephthalate, combination property is more excellent, but PET film generally need be processed through stretch processes, flatness is wayward, and due to the difference of oriented crystalline, cause PET material in use serious warpage easily to occur, the deficiencies such as poor dimensional stability.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, a kind of optical thin film is provided.
For solving above-mentioned technical matters, the present invention by the following technical solutions:
Optical thin film, comprises macromolecular material body, and at least one face of described macromolecular material body is provided with composite film layer.
Further technical scheme is, described composite film layer comprises the first composite film layer and the second composite film layer, and described macromolecular material body is arranged between described first composite film layer and described second composite film layer.
Further technical scheme is, described optical thin film also comprises the first coating structure, and described first composite film layer is arranged between described first coating structure and described macromolecular material body.
Further technical scheme is, described optical thin film also comprises the second coating structure, and described second composite film layer is also arranged between described second coating structure and described macromolecular material body.
Further technical scheme is, described optical thin film at least comprises engineering plastics.
Further technical scheme is, described optical thin film also comprise in antioxidant, ultraviolet absorber, antistatic agent, conductive agent, fire retardant, colouring matter one or more.
Further technical scheme is, described engineering plastics comprise in polycarbonate, polymethylmethacrylate, polystyrene, polyamide, polyimide, polyethylene terephthalate, polybutylene terephthalate, polyphenylene oxide, polyphenylene sulfide one or more.
Further technical scheme is, described coating structure is made up of one or more compositions in resin material, antioxidant, ultraviolet absorber, antistatic agent, colouring matter.
Compared with prior art, the invention has the beneficial effects as follows: the structure and the composition that present invention optimizes optical thin film, make optical thin film possess excellent molding processibility, meet various processing and forming demand; High surface hardness, wear-resisting and scratch resistance, can prevent the scuffing to its surface or damage, and the coating structure of increase can promote its skin hardness and scratch resistance abrasive resistance further; Excellent weather resistance and chemical resistance, meet various application demand; In addition, this optical thin film can provide excellent thermotolerance and dimensional stability.By increasing antioxidant, material against oxidative ability being strengthened in the present invention, improve the serviceable life of this optical thin film; Ultraviolet absorber can prevent its cracking, foaming, efflorescence, come off and variable color; Antistatic agent makes material surface resistance be down to 13 power ohm level of 9 powers to 10 of 10; And conductive agent can make material surface resistance be down to 8 power ohm level of 3 powers to 10 of 10 further; Fire retardant can improve the fire protecting performance of material; Colouring matter can mix required various colors, meets user's user demand.
Accompanying drawing explanation
Fig. 1 is the optical thin film cross-sectional view of first embodiment of the invention.
Fig. 2 is the optical thin film cross-sectional view of second embodiment of the invention.
Fig. 3 is the optical thin film cross-sectional view of third embodiment of the invention.
Fig. 4 is the optical thin film cross-sectional view of four embodiment of the invention.
Fig. 5 is the optical thin film cross-sectional view of fifth embodiment of the invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described, but embodiments of the present invention are not limited thereto.
Embodiment 1
As shown in Figure 1; optical thin film, comprises a macromolecular material body 110, and on a face of macromolecular material body 110, co-extrusion has the first composite film layer 120; first composite film layer 120 can play a very good protection, and significantly improves skin hardness and the scratch resistance anti-wear performance of optical thin film.Wherein macromolecular material body 110 and the first composite film layer 120 are mixed by engineering plastics and composition antioxidant, ultraviolet absorber, antistatic agent, conductive agent, fire retardant, colouring matter.Described engineering plastics comprise polycarbonate, polymethylmethacrylate, polystyrene, polyamide, polyimide, polyethylene terephthalate, polybutylene terephthalate, polyphenylene oxide, polyphenylene sulfide.Antioxidant in this optical thin film enhances the oxidation resistance of material, improves the serviceable life of optical thin film; Ultraviolet absorber can prevent its cracking, foaming, efflorescence, come off and variable color; Antistatic agent makes material surface resistance be down to 13 power ohm level of 9 powers to 10 of 10; And conductive agent can make material surface resistance be down to 8 power ohm level of 3 powers to 10 of 10 further; Fire retardant can improve the fire protecting performance of material; Colouring matter can mix required various colors, meets user's user demand.
Embodiment 2
As shown in Figure 2, optical thin film comprises macromolecular material body 110, first composite film layer 120 and the second composite film layer 130.Described macromolecular material body 110 is arranged between described first composite film layer 120 and described second composite film layer 130, and wherein macromolecular material body 110, first composite film layer 120 and the second composite film layer 130 are mixed by engineering plastics and composition antioxidant, ultraviolet absorber, antistatic agent, conductive agent, fire retardant, colouring matter.Described engineering plastics comprise polycarbonate, polymethylmethacrylate, polystyrene, polyamide, polyimide, polyethylene terephthalate, polybutylene terephthalate, polyphenylene oxide, polyphenylene sulfide.The second composite film layer 130 set up in this optical thin film is identical with the first composite film layer 120 role in embodiment one, two-sided skin hardness and the scratch resistance abrasive resistance all possessing excellence of this optical thin film can be made, thus improve its range of application further, widen application.Other parts in the present embodiment to play function identical with embodiment 1 with effect, therefore not repeat them here.
Embodiment 3
As shown in Figure 3, optical thin film comprises macromolecular material body 110, first composite film layer 120 and the first coating structure 140.Described first composite film layer 120 is arranged between described macromolecular material body 110 and described first coating structure 140.
Described first coating structure 140 is mixed by component resin material, antioxidant, ultraviolet absorber, antistatic agent, colouring matter.The coating structure that this optical thin film is arranged, significantly can strengthen hardness and the scratch resistance abrasive resistance of Optical Coatings Surface further, meets higher application demand.The present embodiment other parts, and function is identical with embodiment 1 with effect.
Embodiment 4
As shown in Figure 4, optical thin film comprises macromolecular material body 110, first composite film layer 120, second composite film layer 130 and the first coating structure 140.Described macromolecular material body 110 is arranged between described first composite film layer 120 and described second composite film layer 130, and described first composite film layer 120 is arranged between described macromolecular material body 110 and described first coating structure 140.
The present embodiment other parts, and function is identical with embodiment 3 with effect.
Embodiment 5
As shown in Figure 5, optical thin film comprises macromolecular material body 110, first composite film layer 120, second composite film layer 130, first coating structure 140 and the second coating structure 150.Described macromolecular material body 110 is arranged between described first composite film layer 120 and described second composite film layer 130, described first composite film layer 120 is arranged between described macromolecular material body 110 and described first coating structure 140, and described second composite film layer 130 is arranged between described macromolecular material body 110 and described second coating structure 150.
Described second coating structure 150 is mixed by component resin material, antioxidant, ultraviolet absorber, antistatic agent, colouring matter.The present embodiment other parts, and function is identical with embodiment 4 with effect.
It is self-colored situation that above-described embodiment only lists optical thin film color; when color be yellow, orange, red, green, blue, brown, fluorescence is yellowish green, fluorescein, fluorescent orange or other color time also can reach identical technique effect, still within the protection domain of present specification.
Although with reference to explanatory embodiment of the present invention, invention has been described here, but not in order to limit the present invention, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of, accompanying drawing open in the application and claim, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Such as, described optical thin film also comprise in antioxidant, ultraviolet absorber, antistatic agent, conductive agent, fire retardant, colouring matter one or more, described engineering plastics comprise in polycarbonate, polymethylmethacrylate, polystyrene, polyamide, polyimide, polyethylene terephthalate, polybutylene terephthalate, polyphenylene oxide, polyphenylene sulfide one or more, described coating structure (140,150) is made up of one or more compositions in resin material, antioxidant, ultraviolet absorber, antistatic agent, colouring matter.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, purposes of the present invention also will be obvious.