CN102869500A - Laminate film for attaching to a window - Google Patents

Laminate film for attaching to a window Download PDF

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Publication number
CN102869500A
CN102869500A CN2011800222764A CN201180022276A CN102869500A CN 102869500 A CN102869500 A CN 102869500A CN 2011800222764 A CN2011800222764 A CN 2011800222764A CN 201180022276 A CN201180022276 A CN 201180022276A CN 102869500 A CN102869500 A CN 102869500A
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CN
China
Prior art keywords
layer
film
silastic
window
laminates
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Pending
Application number
CN2011800222764A
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Chinese (zh)
Inventor
石井荣美
高松赖信
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3M Innovative Properties Co
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3M Innovative Properties Co
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Publication date
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Publication of CN102869500A publication Critical patent/CN102869500A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/20—Layered products comprising a layer of natural or synthetic rubber comprising silicone rubber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/14—Printing or colouring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
    • B32B2037/243—Coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/08—Dimensions, e.g. volume
    • B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2310/00—Treatment by energy or chemical effects
    • B32B2310/14—Corona, ionisation, electrical discharge, plasma treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2319/00—Synthetic rubber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0008—Electrical discharge treatment, e.g. corona, plasma treatment; wave energy or particle radiation

Landscapes

  • Laminated Bodies (AREA)
  • Building Environments (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

A laminate film for attachment to a surface such as a window includes a plastic film layer and a silicone rubber layer having an adsorbing surface that bonds to the window.

Description

Be used for appending to the laminates film of window
Technical field
The present invention relates to a kind of laminates film, described laminates film has plastic membranous layer and silastic-layer, is used for appending to the window of being made by glass or acrylic resin etc.
Background technology
It is upper with the shielding sunshine with prevent glass breaking that the film that is used for appending to window is used in building window etc.Recently, have maskable infrared light etc. and because of the minimum film of the photogenic change color of the sun, and have adhesive, be used for appending to the film of window, described adhesive can be applied to glass pane and then be stripped from and do not stay adhesive residue.
Such fenestrated membrane is known in the prior art.For example, uncensored Japanese Unexamined Patent Publication No H10-250004 discloses a kind of film be used to appending to window, wherein formed the coating that contains film-forming resin on a surface of the polyester film of biaxial orientation and formed adhesive phase on another surface, wherein said film-forming resin mainly comprises acrylic resin (A) and saturated polyester base resin (B) and comprise 5 to 40 weight portion UV absorbers (C) in 100 weight portion film-forming resin.
Uncensored Japanese Unexamined Patent Publication No 2000-96009 discloses a kind of laminates film be used to appending to window, described laminates film contains adhesive phase (B) at least one surface of plastic foil (A), and wherein character satisfies all following conditions when the adhesive phase side of this laminates film surface-coated covered on glass plate:
(1) general bonding strength is 300g/cm or higher;
(2) when measuring confining force under the condition of 1kg load and 80 ℃ of temperature, displacement is 3mm or less after 1 hour;
(3) be applied to glass plate and water the spray 6 hours after, bonding strength be standard adhesion intensity 20% or higher;
When (4) after being applied to glass plate and under 70 ℃ temperature, keeping for 1 week, being stripped from, sticking to and be of a size of 1mm on the glass plate 2Or the quantity of larger adhesive residue spot is 1 every 100cm 2Or still less.
Uncensored Japanese Unexamined Patent Publication No 2000-117918 discloses a kind of heat ray reflection film of suitable outdoor use; this heat ray reflection film comprises the laminates film; described laminates film comprises double axial orientated polyester film with weatherability as base material (A), at least one lip-deep heat ray reflecting layer (B) and the sealer (C) of described base material; the transmission of visible light of wherein said laminates film is 50% or higher; near infrared reflectivity is 50% or higher, and turbidity value is 5% or less.
Summary of the invention
Industry is always being sought improved fenestrated membrane.Existing fenestrated membrane has such-and-such shortcoming and defect.For example, for the function that prevents the glass pane fragmentation is provided, the known binders film that is used for windowpane has enough bonding forces to glass pane, therefore can not peel off or does not use special chemical agent then can not peel off from glass, and therefore be difficult to operation.In addition, even if use the film type of adhesive, for standard consumer, do not apply film with not staying air bubble and do not stay adhesive floor that to remove film all be difficult, because prevent the high bonding strengths of needs such as function of glass pane fragmentation.
The invention provides a kind of laminates film be used to being applied to window, described laminates film can easily be made for by the window that is not applied to building etc. for expert's etc. standard consumer (such as do-it-yourself end user), wherein, bubble can be easily by removing with friction films such as fingers, even if bubble occurs in applying process, described laminates film can be easily peeled off and is not stayed residue or vestige from window, and described laminates film has high-weatherability.
The inventor finds, and foregoing problems can not have bonding force or the adhesive laminates film that is fixed to window is resolved by providing, and therefore realizes the present invention.
The invention provides a kind of laminates film be used to being applied to window, described laminates film contains plastic membranous layer and has the silastic-layer on the surface that is adsorbed onto window.
When using laminates film of the present invention, the silastic-layer in the laminates film without bonding force or adherence fix or be adsorbed onto window.Therefore, described laminates film can be easily removes and has high-weatherability without silastic-layer absorption residue or absorption vestige and because of the use of silastic-layer from window.
In this manual, the term shown in the below has as giving a definition.
" absorption " refers to that additional object integrates in discerptible mode without bonding force or adherence ground and additional main body, and after removing additional object, additional object can not experience cohesion failure.
The quick bonding force of " adherence " finger pressure also can be included in the bonding force.
" transparent " refers to visible light, and perhaps in other words, in the wave-length coverage of 380nm to 780nm, light transmission is 90% or higher.
Description of drawings
Fig. 1 shows according to a kind of laminates film of the present invention.
Fig. 2 shows according to a kind of laminates film of the present invention, and wherein the silastic-layer side at plastic membranous layer arranges metal level.
Fig. 3 shows according to a kind of laminates film of the present invention, and wherein the silastic-layer side at plastic membranous layer arranges printed layers.
Fig. 4 shows according to a kind of laminates film of the present invention, wherein in the side opposite with the silastic-layer side of plastic membranous layer printed layers is set.
The specific embodiment
The below provides detailed disclosing, and purpose is to illustrate representative embodiment of the present invention, but the present invention should not be construed as the restriction that is subjected to these embodiment.
Laminates film be used to appending to window according to the present invention usually comprises band and is useful on fixing described laminates film to the plastic membranous layer of the silastic-layer of window.
In one embodiment, the invention provides a kind of laminates film be used to appending to window, described laminates film contain plastic membranous layer and have for fixing or " absorption " arrive the silastic-layer on the surface of window, wherein said laminates film also comprises the metal level that is laminated between described plastic membranous layer and the described silastic-layer.
According to an aspect of the present invention, described laminates film does not have bonding force or adherence, therefore, even if between described laminates film and window, held back bubble, for example held back bubble in applying process, described bubble also can be by waiting friction with finger and easily eliminating.Therefore in addition, even if when peeling off from window, described laminates film does not have bonding force or adherence yet, can obtain can be easily to peel off and do not stay the laminates film of silastic-layer residue or absorption vestige from window.
See now accompanying drawing, Fig. 1 is the viewgraph of cross-section of the laminates film be used to being applied to window according to an embodiment of the invention.Silastic-layer 2 with window absorption surface 21 is arranged on the side of plastic membranous layer 1 and can be adsorbed onto on the window via absorption surface 21.
Fig. 2 is the viewgraph of cross-section for the laminates film that is applied to window according to second embodiment of the present invention.This laminates film comprises and is arranged on the metal level 3 on silastic-layer 2 sides on the plastic membranous layer 1, and then the silastic-layer 2 that has be used to the surface 21 that is adsorbed onto window is set thereon.
Fig. 3 is another viewgraph of cross-section for the laminates film that is applied to window according to the present invention.Laminated printed layers 4 on silastic-layer 2 sides on the plastic membranous layer 1, the then laminated thereon silastic-layer 2 that has be used to the surface 21 that is adsorbed onto window.
Fig. 4 is the viewgraph of cross-section according to another laminates film be used to being applied to window of the present invention.Have a side that is laminated in plastic membranous layer 1 be used to the silastic-layer 2 on the surface 21 that is adsorbed onto window, and printed layers 4 is laminated on the surface of plastic membranous layer 1 on the side opposite with silastic-layer 2.
Silastic-layer of the present invention is not particularly limited, and any organic silicon rubber that is widely known by the people all can use.Especially, contain the organosilicon major constituent of reactive dimethyl silicone polymer etc. and crosslinking agent and solidify the silastic-layer that obtains at plastic membranous layer if use by blend in the presence of catalyst, then between plastic membranous layer and silastic-layer, will have enough bonding forces and can easily obtain silastic-layer.Can advise the three classes combination of organosilicon major constituent, crosslinking agent and catalyst, that is: (i) uses the copolymer of the dimethyl silicone polymer that contains terminal hydroxy groups and/or dimethyl silicone polymer and polydiphenylsiloxane as organosilicon major constituent, multifunctional-Si (OCH 3) 3The crosslinking agents of type etc. are as crosslinking agent and the dibutyl tin laurate condensed type (moisture-curable type) as catalyst; The copolymer that (ii) uses the dimethyl silicone polymer contain vinyl groups and/or dimethyl silicone polymer and polydiphenylsiloxane etc. as the organosilicon major constituent, contain Si-H etc. based on organosilyl crosslinking agent as additive-based as catalyst such as crosslinking agent and platinum catalyst; (iii) use the copolymer contain the dimethyl silicone polymer of holding amido and/or dimethyl silicone polymer and polydiphenylsiloxane as the organosilicon major constituent, contain the crosslinking agent of PIC group etc. as the organic silicon polyurea type as catalyst such as crosslinking agent and dibutyl tin laurate.
The weight average molecular weight of organosilicon major constituent is not particularly limited, and can be about 50,000 or higher, about 100,000 or higher, about 200,000 or higher or about 300,000 or higher, and can be about 200 ten thousand or lower, about 100 ten thousand or lower, about 500,000 or lower or about 400,000 or lower.In one embodiment, use for convenient, the weight average molecular weight of organosilicon major constituent can be about 300,000 or higher and about 500,000 or lower.
For 1 molar reactive group in the organosilicon major constituent, perhaps in other words, for 1 mole of terminal hydroxy groups in the condensed type, for 1 molar ethylene base group in additive-based and for 1 mole in organic silicon polyurea type end amino group, the mole of the crosslinking agent that uses is not particularly limited, as long as the absorption after solidifying is not obstructed, but described mole can be about 0.5 or higher, about 1.0 or higher or about 1.5 or higher and about 3.0 or lower or about 2.0 or lower.
For preventing from solidifying the unreacted remaining organosilicon major constituent of rear residue and crosslinking agent etc., for one mole of organosilicon major constituent, for condensed type and additive-based, the mole of crosslinking agent is preferably about 0.5 to about 3.0, and for the organic silicon polyurea type, be preferably about 0.5 to about 1.5.For 1 mole of organosilicon major constituent, it is about 1.0 that the mole of crosslinking agent is preferably, because this is stoichiometry.
Crosslinking degree between organosilicon major constituent and the crosslinking agent can be by the gel ratio expression of silastic-layer after solidifying, and this will be discussed in more detail below.
Notice that if silastic-layer contains tackifier as described below, gel adds the amount of tackifier than will not comprising.
The gel ratio can be about 90% or higher, about 95% or higher or about 98% or higher, and about 90% or higher be suitable will not stay absorption vestige etc. on the rear glass surface because remove, even more preferably about 95% or higher.
If necessary, can use catalyst in the cross-linking reaction between organosilicon major constituent and crosslinking agent.In this case, for condensed type and organic silicon polyurea type, by weight, catalyst can be about 0.0001% or higher, about 0.00015% or higher or about 0.001% or higher with respect to the amount of organosilicon major constituent and crosslinking agent; Or can be about 3.0% or lower, about 2.0% or lower or about 1.0% or lower, and for additive-based, by weight, can be about 1.0ppm or higher, about 2.0ppm or higher or about 5.0ppm or higher, and about 100ppm or lower, about 90ppm or lower or about 80ppm or lower.
For condensed type or organic silicon polyurea type, the amount of catalyst is suitably 0.0001 to 3.0 % by weight in organosilicon major constituent and the crosslinking agent, and for additive-based, be suitably 1 to 100ppm, and as long as reaction is carried out fully, will not change in time, and the character of silastic-layer is not lost yet after solidifying.
Silastic-layer will adsorb or be bonded to any window material such as glass or plastics etc., and when putting on when measuring as the glass of glass pane and as the laminates film that appends to window, as measured in 90 ° of disbonded tests being undertaken by the JISK6854-1 standard, the absorption affinity of silastic-layer can be about 0.01N/m or higher, about 0.05N/m or higher or about 0.1N/m or higher, and measuring details will be described below.On the other hand, the absorption affinity of silastic-layer can be about 15N/m or lower, about 10N/m or lower or about 5N/m or lower.
The thickness of silastic-layer is not particularly limited, as long as after absorption, do not peel off etc. because of himself weight, and the thickness after solidifying can be about 30 μ m or lower, about 25 μ m or lower or about 20 μ m or lower, but then, for forming smooth silastic-layer on the surface with waveform or ridge and paddy, thickness can be about 2.0 μ m or higher, about 3.0 μ m or higher or about 5.0 μ m or higher.
Silastic-layer is substantially free of other additives, but if necessary, can randomly comprise following about the additive described in the part of plastic membranous layer and metal level.
Silastic-layer of the present invention is substantially free of tackifier well known by persons skilled in the art, perhaps in other words, is substantially free of by reducing elastic modelling quantity under the room temperature for example and increases the grappling effect of the complex surface of glass and the material of following character.
But can add tackifier commonly used without specific limited ground, only otherwise weatherability and the adsorptivity of loss silastic-layer get final product.Specifically, can advise using the MQ resin as tackifier.
The MQ resin has and for example have R in molecule 3The SiO-(M unit) and SiO 4The structure of-(Q unit), and be generally hard resin, weight average molecular weight is 10,000 to 15,000, and for 1 mole of Q unit, uses 0.7 to 1.1 mole of M unit.The MQ resin can and be dissolved in the organosilicon major constituent etc. and then solidify by blend and use.
By weight, the amount of tackifier can be about 15% or lower, about 10% or lower or about 5% or lower in the silastic-layer of the present invention, and can be about 0.1% or higher or about 1% or higher.Notice that the standard binders of known available contains 50 % by weight or higher tackifier such as MQ resin usually.
Even if silastic-layer contains tackifier, also the thickness of organic silicon rubber and bonding strength etc. can be adjusted to about without the scope shown in the part of the silastic-layer of aforementioned tackifier.
Usually, silastic-layer is protected to prevent that by protection sheet material as follows or lining material such as dust and chip from adhering to, thereby silastic-layer can advantageously be adsorbed onto window.But, if necessary, can apply water, solvent or surfactant etc. to window or to silastic-layer by spraying to wait.
The material of plastic membranous layer of the present invention is not particularly limited, and the film of can such as the polyester of serving as reasons, polyamide, polyolefin, polyvinyl chloride, Merlon, acrylic resin or fluoro resin etc. making.
In addition, if necessary, the structure of plastic membranous layer can be have Arbitrary Digit the laminates structure of passing through the formed layer such as coextrusion with inhibitory reflex.
In these materials, from the transparency, dimensional stability and economy equal angles, polyester, Merlon, acrylic resin and polyolefin are suitable.More particularly, from the transparency, economy, weatherability, heat resistance and mechanical property equal angles, polyester film is suitable.Polyester film is not particularly limited, and depends on application, can be the polyester film of uniaxial tension, biaxial stretch-formed polyester film or the polyester film that does not stretch etc.
The thickness of plastic membranous layer is not particularly limited, as long as flexibilities etc. are no problem, and thickness can be about 200 μ m or lower, about 100 μ m or lower or about 50 μ m or lower, and can be about 10 μ m or higher, about 20 μ m or higher or about 30 μ m or higher.The thickness of plastic membranous layer is suitably about 30 μ m or higher and about 100 μ m or lower because when being adsorbed onto window easy operating.
If necessary, plastic membranous layer can contain antistatic additive, stabilizing agent, lubricant, crosslinking agent, antiblocking agent, antioxidant, UV absorbers, infrared Absorption agent, light blocking agent, colouring agent so that design etc. to be provided without specific limited ground, and slip agent is to strengthen such as the operation in the processes such as vapour deposition.
Can reduce the infrared light of plastic membranous layer and ultraviolet light transmission and not reduce transmission of visible light by being used in combination of infrared Absorption agent and UV absorbers.In addition, also infrared Absorption agent capable of being combined and UV absorbers and for example reduce the laminates structural plastic rete of surface reflectivity only reduce infrared light and ultraviolet light transmission simultaneously to improve transmission of visible light.
Laminates film of the present invention can have metal level and/or metal compound layer with reflects infrared light, ultraviolet light and visible light etc. at least one surface of plastic membranous layer.When using metal level, in the All Ranges from the infrared light to the ultraviolet light, transmissivity will be flat, and in view of the absorption of specific wavelength be known, so can for example use widely polytype metal level according to using.The metallic compound that forms metal level can be metal or alloy such as Au, Ag, Cu or Al.From cost and reflectivity angle, preferred aluminium and alloy thereof.In addition, also can use the indium oxide of the some % of known ITO(and the blend of tin oxide) etc. as the metallic compound that consists of metal level.Note, if necessary, can be used in combination two or more types metallics.
Especially, as described in Figure 2, if between plastic membranous layer and silastic-layer, metal level is set, then will be conducive to protection wearing and tearing etc.In addition, can antirust coat be set to prevent the oxidation of metal level in the side opposite with the plastic membranous layer side of metal level.
The light transmission of metal level can be about 1% or higher, about 10% or higher or about 20% or higher, and can be about 90% or lower, about 80% or lower or about 60% or lower, but common 25% to 35% or 35% to 50% scope is suitable.
The processing method of metal level is not particularly limited, and can for example carry out such as vapour deposition process, sputtering method or plasma CVD method etc. by the common method that produces thin metal film.In addition, if necessary, also can use the incompatible pattern etc. that provides of metal foil layer.
Laminates film of the present invention can contain one or more layers printed layers so that decoration to be provided, as shown in Figure 3 and Figure 4 at silastic-layer side and/or the opposition side of plastic membranous layer.
Printed layers can be by formation such as known method such as serigraphy, intaglio printing, flexographic printing, ink jet printing or electrostatic sprayings.From the angle of the commercially available weatherability China ink that uses numerous kinds, can use serigraphy.If printed layers aptly between plastics and metal level, then because of the colour loss due to the wearing and tearing with minimum.
On the contrary, if printed layers is arranged on for example opposite with the silastic-layer side, then can before the laminates film is applied to window, at once print, and mode is carried out freely printing or is decorated with advertisement or price fixing timely.
In addition, can introduce colouring agent rather than print at plastic membranous layer, in plastic membranous layer, to form pattern etc.
Except when having added colouring agent etc., the transmission of visible light of whole laminates film can be about 10% or higher, about 30% or higher or about 40% or higher, and transmission of visible light can be about 99.9% or lower, about 90% or lower, about 80% or lower or about 60% or lower.
Laminates film of the present invention can have coating to increase the bonding strength between silastic-layer and the plastic layer etc. between silastic-layer and the plastic layer etc.In addition, can be before applying carry out chemical process or discharge processing to improve compatibility or the bonding force between silastic-layer and plastic membranous layer etc. at plastic membranous layer etc.
Be scratch resistance and/or the dust tightness in the outmost surface layer that improves the laminates film, the outermost layer of printed layers that can be on plastic membranous layer and plastic membranous layer etc. arranges scratch-resistant layer and/or dust layer.The resin that forms scratch-resistant layer and/or dust layer can be thermoplastic resin or the thermosetting resin with excellent weatherability, by being applied on the silastic-layer such as preceding method etc., the example of these resins comprises fluororesin, acrylic resin, polyvinyl alcohol resin, epoxy resin, unsaturated polyester resin, ammonia ester resin, melmac, organic siliconresin and acrylic acid-organic siliconresin etc.
Scratch-resistant layer and/or dust layer can be and in advance be provided with from the teeth outwards the plastic membranous layer of scratch-resistant layer and/or dust layer rather than provide by applying.
Can be to laminated screening glass material on the absorption surface of silastic-layer.Under the storage requirement of the laminates film that is applied to window, the protection absorption surface is so that dust and chip etc. are not easy to adhere to and therefore provide dustproof or anti-pollution function etc.The protection sheet material is not particularly limited, and can be as the commercially available PET of standardized product or PP etc., and thickness should not cause flexible the grade to go wrong.
In addition; silastic-layer of the present invention is adsorption layer; the sheet material that do not need protection especially has character such as fissility, thus can not use the protection sheet material, but use outermost layer self (such as plastic membranous layer etc.) as the protection sheet material by the laminates film being rolled into self the scroll situation.
The method of machine silicon rubber layer can be aforesaid known method.Especially, catalyst be can use by at room temperature curing or be heating and curing easily shaping organosilicon major constituent and curing agent on plastic membranous layer used.
Can in arbitrary steps, organic silicon rubber be applied to plastic membranous layer.If the viscosity of organosilicon major constituent is high, then available solvable organic solvent such as the adjusting viscosities such as ethyl acetate or toluene commonly used, solvent is not particularly limited, only otherwise get final product because the reaction between organosilicon major constituent and the crosslinking agent causes negative effect.
The method that applies the organic silicon solution that contains organosilicon major constituent, crosslinking agent and catalyst can be any known method, be coated with method, comma scraper rubbing method, rolling method, knife coating, spraying process, airblade coating method, dip coating, kiss-coating method, scraper rubbing method, die head rubbing method, contrary roller rubbing method, heliogravure rubbing method, line rod rubbing method, intaglio plate rubbing method, reverse intaglio plate rubbing method, cylinder spread coating, infusion process, spin-coating method and showering curtain type rubbing method etc. such as rod, and these methods can be used alone or in combination.
When applying the organic silicon solution that contains the organosilicon major constituent to plastic membranous layer, if necessary, can carry out on the surface of plastic membranous layer physical surface treatment such as flame treatment, Corona discharge Treatment or plasma discharge processing etc. as preliminary treatment to improve bonding force and imposing, perhaps can strengthen bonding force between silastic-layer and the plastic membranous layer by applying priming paint etc.
The applying of organic silicon solution that contains organosilicon major constituent, crosslinking agent and catalyst can be by directly applying to carry out to film with a kind of in the aforementioned applying method, perhaps can at first be applied to the protection sheet material and be dried to a certain degree afterwards described protection sheet material and plastic membranous layer overlaps so that silastic-layer adheres to plastic membranous layer.Solidification temperature and hardening time are preferred so that can realize the abundant curing of organic silicon rubber.
Example
90 ° of laminates films are peeled off mensuration: undertaken by JIS K6854-1 standard.Specifically, under room temperature and indoor humidity, the laminates film that is cut into the rectangle that 200mm is long, 25mm is wide is adsorbed onto for the size of the window clean glass plate identical with the laminates film, then allows the rubber rollers of a 2kg move around one thereon and circulate so that the whole surface of laminates film all adheres to.Next, sample is installed to cupping machine (manufacturer's title: Orientec company, production code member: RTG-1225), becoming 90 ° direction to spur an end of laminates film with the speed of 50mm per minute with film surface, and the mean value of getting 5 tension tests is as absorption affinity or bonding force.
Gel is than measuring: under room temperature and indoor humidity, the test specimen (W0 (g)) of weighing to the 0.5g precision soaked 24 hours in 200cc toluene, and after from test specimen, eluting the component of toluene dissolving, take out undissolved part and wash with acetone.Then (manufacturer's title: refined horse is opened up scientific ﹠ technical corporation (Yamato Scientific Co.Ltd.) at the vacuum desiccator that is set to 100 ℃ with undissolved part, model: DP 32) under the pressure of 0.1MPa dry 1 hour, and accurately take by weighing the weight (W1 (g)) of undissolved part, and be calculated as follows the gel ratio: gel is than (%)=(W1/W0) * 100.
Absorption object: in the present embodiment, use the size glass (size: 220 square millimeter that be used for window larger than sample, thickness: 3mm, manufacturer's title: Asahi Glass glass company (AsahiGlass Co.Ltd.), production code member: FL3) and be used for window acrylic resin (size: 220 square millimeters, thickness: 3mm, manufacturer's title: (the MitsubishiRayon Co. of Mitsubishi Rayon Co., Ltd, Ltd.), model: Acryllite).
Tackifier: as tackifier, use MQ resin (manufacturer's title: eastern beautiful DOW CORNING (Dow Corning Toray), model: BY15-701A).
Laminates film manufacturing method: under room temperature and indoor humidity, with organosilicon major constituent (eastern beautiful DOW CORNING, organic siliconresin/the toluene solution of SD7226(30 % by weight)) crosslinking agent that contains catalyst (the eastern beautiful DOW CORNING that, is used for cured silicone, SRX 212) and as diluent (Gu is stepped on (the Godo Co. of company with the ethyl acetate of convenient coating, Ltd), technical grade) with the 100:0.6:100(weight ratio) the ratio blend, obtain the organosilicon coating solution of 15 % by weight.Next, this solution placed the solvent coating machine and under 100 ℃ the coating speed with 30 m/mins be applied on the plastic membranous layer, continue 10 minutes, simultaneously solvent evaporated and solidifying to obtain having the laminates film of silastic-layer.Next, on silastic-layer, apply protection sheet material (the OPP(Dong Li company (Toray Co., Ltd) that 30 μ m are thick, Trefane 30-2500)).This laminates film that has added the protection sheet material is cut into 200mm * 200mm and 25mm * 200mm to be used for disbonded test.
Use following material laminates film as a comparative example.
A) the Scotchtint(registration mark of 3M company production), piece number: RE87CLIS.Be coated with the film of metal oxide on the pet sheet face, in order to prevent glass breaking and to have the commercially available prod of sunshine function of shielding wherein at metal oxide layer the acrylic adhesives layer that adds UV absorbers is arranged.The bonding strength of this film in 90 ° of disbonded tests is 500N/m, and the gel ratio is 95%, and transmission of visible light is 85%.
B) the Scotchtint(registration mark of 3M company production), model: RE80CLIS.Make similarly with RE87CLIS.This film is in order to preventing the commercial product with sunlight reflected function of shielding of glass breaking, and transmission of visible light is 81%.
C) the Scotchtint(registration mark of 3M company production), model: RE18SIAR.On the pet sheet face vapour deposition film of aluminium.In order to preventing glass breakage, to have the sunshine function of shielding and transmission of visible light is the commercially available prod of 18September, wherein in vapour deposition the film of Al the acrylic adhesives layer that adds UV absorbers is arranged.The bonding strength of this film in 90 ° of disbonded tests is 500N/m, and the gel ratio is 95%.September。
Working example 1
Manufacture method according to the laminates film, use the thick PET film of 50 μ m (Lumilar 50 S10(Dong Li companies)) as plastic membranous layer, and use silastic-layer thickness is the laminates film of 1.4 μ m, 2.0 μ m, 2.5 μ m, 5.0 μ m, 25 μ m, 30 μ m and 35 μ m.The adsorption strength of these laminates films is respectively 0.3N/m, 0.3N/m, 0.3N/m, 0.4N/m, 0.7N/m, 0.7N/m and 0.7N/m, and the gel of all samples is than basically being all 95%.
Preparation size be 200 square millimeters sample being adsorbed onto acrylic acid window and windowpane, and silastic-layer thickness is can easily remove by rubbing with finger with the bubble that occurs at the interface of window in the sample of 2.0 μ m to 30 μ m.Outward appearance be there is no impact, and absorption smoothly.Carry out 10 times and repeat to apply, but to for the first time similar, there is no open defect, and absorption smoothly.Afterwards, when peel ply compound film and visual examination, acrylic acid and on glass all the reservation, adsorbed residue and absorption vestige, but peel off neatly.Be 50 ℃, humidity when being 85% environment when the sample that is 1.4 μ m is exposed to temperature with silastic-layer thickness, in the time of 168 hours, occur to peel off from the part of glass.Thickness is that the solvent evaporation of sample of 35 μ m is insufficient, and between plastic membranous layer and the silastic-layer part occurs peel off when peeling off the protection sheet material.
Working example 2
Make to utilize the laminates film of the operation acquisition identical with working example 1, different is silastic-layer is 5 μ m and to use transmission of visible light be 18% the PET film with aluminium vapor deposition layer (50 Tetolight T=18T(tail vat Industrial Co., Ltd (Oike and Co., Ltd.)))).Preparation size be 200 square millimeters sample being adsorbed onto windowpane, and place a thermometer at a distance, and stayed sunshine lower 15 minutes at 20 ℃, the test specimen central area 10cm of indoor relative humidity environment middle distance test specimen.When measuring temperature, temperature is 22 ℃.
Working example 3
The laminates film that manufacturing uses the operation identical with working example 1 to obtain, the thickness of different is silastic-layer is 5 μ m and adds tackifier to 10 % by weight, 15 % by weight or 20 % by weight in manufacture process.These laminates films have the gel ratio identical with working example 1, and the absorption affinity that shows in 90 ° of site tests is respectively 12N/m, 18N/m and 20N/m.When the acrylic acid window similar to working example 1 and windowpane apply with disbonded test, in the sample that contains 10 % by weight and the tackifier of 15 % by weight, obtained the favourable outcome similar to working example 1, but when using the sample of 20 % by weight, Visual Confirmation is to bonding vestige.
Comparative example 1
As the aforementioned films A that is of a size of 200 square millimeters) to C) when being applied to windowpane, formed bubble and wrinkle, and can not obtain the favourable outward appearance that applies.When attempting applying and peeling off, a part of adhesive phase generation cohesion failure, and remain with adhesive on the glass surface.
Comparative example 2
Window center 10cm at 20 ℃ of room temperatures, indoor humidity environment middle distance window places a thermometer at a distance, does not append to the laminates film of window to windowpane additional being used for, and stays sunshine and measure temperature by the operation identical with working example 1 after lower 15 minutes.Temperature is 36 ℃.
With the aforementioned films A that is of a size of 200 square millimeters) to C) append to windowpane, a thermometer is placed in 10cm position far away, test specimen center at 20 ℃ of room temperatures, indoor humidity environment middle distance test specimen, and stays sunshine and measure temperature by the operation identical with working example 1 after lower 15 minutes.For the A with infrared Absorption layer) RE87CLIS and B) RE80CLIS, temperature is respectively 34 ℃ and 32 ℃, and for the RE18SIAR with infrared absorption layer, temperature is 24 ℃.
Can be seen from the foregoing, the laminates film for appending to window according to aspect of the present invention shown in the working example can easily be adsorbed onto window, and favourable absorption not only is provided and peels off character, and after peeling off, have excellent effect, because silastic-layer does not keep and without the absorption vestige.

Claims (7)

1. laminates film that is used for appending to window, described laminates film comprises:
Plastic membranous layer; With
Silastic-layer with the surface that is adsorbed onto described window.
2. the laminates film be used to appending to window according to claim 1, wherein said silastic-layer comprises 15 % by weight or lower tackifier.
3. the laminates film be used to appending to window according to claim 1, the gel of wherein said silastic-layer is than being at least 90%.
4. the laminates film be used to appending to window according to claim 1, the thickness of wherein said silastic-layer is about 2 microns to about 30 microns.
5. the laminates film be used to appending to window according to claim 1, wherein in 90 ° of disbonded tests being undertaken by JIS K6854-1, described silastic-layer is about 0.01N/m about 15N/m extremely to the adsorption strength of described glass.
6. the laminates film be used to appending to window according to claim 1, described laminates film comprises an infrared reflecting layer or a plurality of infrared reflecting layer.
7. the laminates film be used to appending to window according to claim 1, described laminates film comprises a printed layers or a plurality of printed layers.
CN2011800222764A 2010-03-10 2011-03-09 Laminate film for attaching to a window Pending CN102869500A (en)

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JP2010053343A JP5702072B2 (en) 2010-03-10 2010-03-10 Laminated film for pasting windows
PCT/US2011/027631 WO2011112642A2 (en) 2010-03-10 2011-03-09 Laminate film for attaching to a window

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WO2011112642A2 (en) 2011-09-15
SG183953A1 (en) 2012-10-30
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AU2011224464A1 (en) 2012-09-27
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