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WO2001038088A1 - Structure multicouche - Google Patents

Structure multicouche Download PDF

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Publication number
WO2001038088A1
WO2001038088A1 PCT/JP2000/008212 JP0008212W WO0138088A1 WO 2001038088 A1 WO2001038088 A1 WO 2001038088A1 JP 0008212 W JP0008212 W JP 0008212W WO 0138088 A1 WO0138088 A1 WO 0138088A1
Authority
WO
WIPO (PCT)
Prior art keywords
glass
resin layer
layer
multilayer structure
polycarbonate
Prior art date
Application number
PCT/JP2000/008212
Other languages
English (en)
Japanese (ja)
Inventor
Nobuhiro Watanabe
Mitsugu Nakae
Jiro Chiba
Original Assignee
Idemitsu Petrochemical Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Idemitsu Petrochemical Co., Ltd. filed Critical Idemitsu Petrochemical Co., Ltd.
Priority to JP2001539675A priority Critical patent/JP4439782B2/ja
Publication of WO2001038088A1 publication Critical patent/WO2001038088A1/fr

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Classifications

    • 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
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10018—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising only one glass sheet
    • 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
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets

Definitions

  • the present invention relates to a multilayer structure that can be used for window glasses of automobiles, aircraft, etc., windows of buildings, schools, shops, etc., show windows, roofs, etc., wherein a polycarbonate resin layer and a glass layer are integrated with an adhesive resin layer.
  • the present invention relates to a multilayer structure having improved weather resistance. Background art
  • Inorganic glass has been used as windows, roofs, and transparent walls for cars, buildings, schools, shops, and so on.
  • a lightweight material that can replace inorganic glass because of the demand for improved fuel efficiency of automobiles, the impact resistance of building windows, the weight reduction, and the ease of handling.
  • an adhesive resin such as polybierbutyral is placed between two glass plates to prevent glass from scattering when the inorganic glass plate is broken.
  • a laminated glass plate is used as a layer.
  • Polymethyl methacrylate is not always sufficient in terms of impact resistance, and polycarbonate-based resins have recently been receiving attention.
  • polycarbonate-based resins do not have sufficient surface hardness and pulling hardness, resulting in surface damage. It is likely to occur and its field of use is limited.
  • improvements have been proposed by coating the surface of the polycarbonate resin plate with a hard resin such as a silicone resin, or by depositing a metal oxide such as silicon oxide. ing.
  • multilayer boards have been proposed that combine the strengths of glass plates, such as hardness and abrasion resistance, and the transparency and strength of polycarbonate resins, and particularly excellent impact resistance.
  • a glass plate of about 1 to 2 mm is placed on one side of a polycarbonate resin plate of about 2 to 8 mm, for example, polybutyral, ethylene / butyl acetate copolymer, polyurethane, polycarbonate-organo.
  • a multilayer structure (laminate) has been proposed that is laminated via an adhesive resin such as a siloxane (block) copolymer.
  • These multilayer structures exhibit significantly better resistance to impact and penetration as compared to the inorganic glass plate alone, and the thickness ratio between the inorganic glass plate and the polycarbonate-based resin changes. It has a major feature that allows the design of materials that balance physical properties and weight reduction.
  • the multilayer structure is based on the three-layer structure described above.
  • stress cracks and fogging may occur due to differences in the basic physical properties of the glass plate and the polycarbonate resin.
  • signs of detachment may be seen.
  • a symmetrical multi-layered structure in which a glass plate is further laminated on the polycarbonate-based resin layer side of the multi-layered structure via an adhesive resin layer may be employed.
  • various proposals have been made to provide another arbitrary resin layer, for example, a hard resin such as methyl methacrylate, an elastic resin layer, or the like, depending on the purpose.
  • polycarbonate resins have problems such as high melt viscosity, high molding temperature, easy sublimation of ultraviolet absorbers, and narrow selection of ultraviolet absorbers to be used.
  • the present invention provides a lightweight, multi-layer structure excellent in impact resistance and the like obtained by integrating a polycarbonate resin and a glass plate via an adhesive resin layer under the above-mentioned conditions, and for long-term outdoor use. Also in this case, an object is to provide a multilayer structure with less yellowing and lowering of transparency. Disclosure of the invention
  • the present inventors have intensively studied on the improvement of the weather resistance of a multilayer structure composed of a polycarbonate resin and glass. As a result, they have found that there is an excellent effect when a specific layer contains an ultraviolet absorbing component (agent), and thus completed the present invention.
  • a multilayer structure comprising a polycarbonate resin layer (A), an adhesive resin layer (B), and a glass layer (C), wherein at least one of the glass layer and the adhesive resin layer contains an ultraviolet absorbing component. Structure.
  • the multilayer structure according to (1) comprising:
  • the adhesive resin layer (B) is made of ethylene-butyl acetate copolymer, polyvinyl acetate, ethylene- (meth) acrylate copolymer, polyurethane, polyester-polyurethane copolymer, poly-carbonate-one
  • the multilayer structure according to any one of (1) to (4), comprising at least one layer of a resin selected from an organosiloxane copolymer and polybutylbutyral.
  • the polycarbonate resin used in the polycarbonate resin layer (A) has an amount of terminal hydroxyl groups of 8 mol% or less per repeating unit of the polymer chain, as described in any of (1) to (5). Multi-layer structure.
  • FIG. 1 is a conceptual sectional view showing an example of the multilayer structure of the present invention.
  • reference numeral 1 denotes a polycarbonate resin layer
  • reference numeral 2 denotes an adhesive resin layer
  • reference numeral 3 denotes a glass layer.
  • the polycarbonate-based resin (P c) constituting the main layer of the multilayer structure of the present invention is not particularly limited, and includes various types.
  • an aromatic polycarbonate produced by reacting a divalent phenol with a carbonate precursor can be used. That is, a product prepared by reacting a divalent phenol with a carbonate precursor by a solution method or a melting method, that is, a reaction between a divalent phenol and phosgene, and a transesterification method between a divalent phenol and dipheninolecarbonate. Can be used.
  • divalent phenols can be mentioned, and in particular, 2,2-bis (4-hydroxyphenyl) prononone (bisphenol A), bis (4-hydroxyphenyl) methane, 1,1-bis (4-Hydroxyphenyl) ethane, 2,2-bis (4-hydroxy-1,3,5-dimethynolephene / re) Pro / Kun, 4,4,1-dihydroxydiphenyl, bis (4-hydroxyphenyleneole) ) Cycloanolecan, bis (4-hydroxypheno) oxide, bis (4-hydroxypheno) sulfide, bis (4-hydroxypheno) snorehon, bis (4-hydroxypheno) / Refoxide, Bis (4-hydroxyphenone) ethenole, Bis (4-hydroxyphene) ketone, etc. Substituents and the like.
  • divalent phenols are bis (hydroxyphenyl) alkanes, particularly those containing bisphenol A as the main raw material.
  • the carbonate precursor include carbonyl halide, carbonyl ester, and haloformate.
  • Specific examples include phosgene, dihaloformate of divalent phenol, diphenyl carbonate, dimethyl carbonate, and diethyl carbonate. It is.
  • Droquinone, resorcin, catechol and the like may be used alone or in combination of two or more.
  • the polycarbonate resin may have a branched structure.
  • branching agent examples include 1,1,1-tris (4-hydroxyphenyl) ethane and ⁇ , ⁇ , ⁇ "-tris (4-hydroxyphenyl). Nore) 1,3,5-triisopropylbenzene, phloroglysin, trimellitic acid, isatin bis ( ⁇ -tarezol), etc.
  • phenol, ⁇ -t— Butylphenol, p-t-octinolephenol, p-cumylphenol, ⁇ -dodecylphenol and the like are used.
  • the polycarbonate resin used in the present invention may be a random copolymer having a polycarbonate portion and a polyorganosiloxane portion, a block copolymer, or a polycarbonate resin containing this copolymer. Further, it may be a polyester-polycarbonate resin obtained by performing polymerization of polycarbonate in the presence of a bifunctional carboxylic acid such as terephthalic acid or an ester precursor such as an ester-forming derivative thereof. Also, a mixture of various polycarbonate resins can be used.
  • the polycarbonate resin used in the present invention has a viscosity average molecular weight of from 10,000 to 100,000, preferably from 15,0,0, from the viewpoint of mechanical strength and moldability. Those having a value of from 0 to 40, 000, especially those having a value of 20, 000 to 30, 0, 00 are suitable.
  • the polycarbonate resin layer is usually compounded with additives such as an antioxidant and formed into a sheet by extrusion molding.
  • additives such as an antioxidant
  • a polycarbonate-organosiloxane copolymer was formed on the side to be the glass layer side.
  • Any adhesive resin layer can be co-extruded to form a multilayer sheet with the adhesive resin.
  • the thickness of the sheet is preferably l to 10 mm, and more preferably about 2 to 6 mm.
  • the polycarbonate resin may also contain a light stabilizer and an ultraviolet absorber in an allowable range. Further, as a manufacturing method, injection molding, injection compression molding, or the like can be adopted.
  • the glass used in the glass layer (C) used in the present invention is not particularly limited as long as it is an inorganic glass, and ordinary window glass is used.
  • a glass sheet is prepared by mixing main raw materials such as silica sand, soda ash, limestone, and glass nitrate at a certain ratio, and then mixing glass waste (cullet) at an appropriate ratio.
  • Magnesium oxide, calcium oxide, iron oxide, nickel oxide, cobalt oxide, titanium oxide, selenium, etc. are completely melted in a kiln in a temperature range of 1,500 to 1,600.
  • the foundation is made.
  • Adhesive resins include ethylene-butyl sulfate copolymer, polybutyl acetate, ethylene- (meth) acrylate copolymer, polyurethane, polyester-polyurethane copolymer, polycarbonate-polyorganosiloxane block copolymer. Examples thereof include polymers, random copolymers, and polybutyral.
  • the toorganosiloxane copolymer preferably has a polyorganosiloxane content of 2 to 70% by mass, more preferably 20 to 60% by mass. That is, when the polysiloxane content is high, a soft or elastic resin is preferable.
  • the polysiloxane include those in which a polysiloxane block unit is bonded to a main chain through a “silicon-oxygen-silicon” bond, and a polysiloxane block unit is bonded to a main chain through a “silicon-carbon” bond.
  • a methylene chloride solution of a polycarbonate oligomer and a terminal phenol dimethyl siloxane or a dihydroxy compound having siloxane bonded to carbon are used in the presence of a triethylamine catalyst. If necessary, it can be produced by a known method by adding an aqueous solution of bisphenol A and reacting.
  • These adhesive resins may contain a resin chemically modified with unsaturated acids such as maleic anhydride and fumaric acid or ruponic acid or a derivative thereof, or a chemically modified resin.
  • a coupling agent such as 3-aminopropyldimethylethoxysilane, 3-aminopropylmethyl ethoxysilane, or burtriethoxysilane may be included in order to improve the adhesion to the glass plate.
  • a soft resin having an elastic modulus of 1, OOOMPa or less
  • polybutyral is often used as an adhesive intermediate layer for laminated inorganic glass.
  • this polyvinyl butyral is used as it is as the adhesive resin layer of the present invention, there is no problem with inorganic laminated glass, but there is a problem with lamination with a polycarbonate resin sheet.
  • plasticizer is blended in the polyvinyl butyral film, and the plasticizer migrates to the polycarbonate resin after lamination, and This causes whitening of the resin sheet and a decrease in transparency. In such a case, there is no need to worry about migration of a plasticizer between the polyvinyl butyral resin layer and the polycarbonate resin layer.
  • other adhesive resins such as polycarbonate-poly / polysiloxane copolymer and polyurethane Can be used. That is, the number of adhesive resin layers is two or more.
  • FIG. 1 is a conceptual sectional view of the multilayer structure of the present invention.
  • 1 is a polycarbonate resin layer
  • 2 is an adhesive resin layer
  • 3 is a glass layer.
  • the multilayer structure of the present invention basically comprises a polycarbonate resin layer (A) 1, a glass layer (C) 3, and an adhesive resin layer (B) 2.
  • the present invention is characterized in that at least one of the glass layer (C) and the adhesive resin layer (B), preferably both layers, contain an ultraviolet absorbing component (agent).
  • a glass plate is manufactured by melting soda ash, limestone, carbon, and sodium sulfate with silica sand as the main component, and adding a frit containing various components that become ultraviolet absorbing components, and usually a colored frit, to this melt.
  • soda lime silica glass can be exemplified.
  • the ultraviolet ray absorbing component one containing cerium can be exemplified without particular limitation as long as it reduces the transmittance of ultraviolet rays when it becomes a glass plate.
  • the cerium component is produced by adding 1 to 2% by mass of oxidized cerium to a glass raw material.
  • the component that absorbs ultraviolet light may be a compound that absorbs ultraviolet light in a complex manner, such as a titanium component and a coloring component.
  • Molten glass containing UV-absorbing components is made into sheet glass by the float method, casting method, down-draw method, or pulling method. If necessary, it is polished to make polished glass.
  • the multilayer structure of the present application is, as a rule, a flat plate glass, but it is used for window glass for automobiles, roofing materials, and the like. In such a case, it is processed into a gentle curved surface.
  • the thickness of the glass plate can be appropriately determined depending on the application, size, etc., but the multilayer structure of the present invention is intended to reduce the weight of the inorganic glass, is not very thick, and preferably has a thickness of 0.5 to 4 mm. Preferably, it is about 0.7 to 3 mm.
  • the resin described above is used as the adhesive resin, and the ultraviolet absorbing component (agent) used for the adhesive resin is not particularly limited. Specifically, there are benzotriazole-based, triazine-based, benzoate-based, benzophenone-based and the like, and among them, benzotriazole-based and triazine-based are preferably used.
  • Benzotriazoles include 2- (3-t-butyl-1-5-methynole-1 2-hydroxyphenylene) -1-5-chloro-benzotriazo-1 / re, 2- (3,5-di-t-butynole) 1-Hydroxyphenyl) 1-5-Chlorobenzobenzoyl, 2- (5-methyl-2-hydroxyphenyl) benzotriazole, 2- (3,5-di-t-butylinole) 2-Hydroxypheninole) benzotriazole, 2- (2-hydroxy-5-t-octylphenyl) benzotriazonole, 2- (2-hydroxy-3,5-di-t-aminorefeninole) benzotriazole, 2,2,1-methylenebis [4- (1,1,3,3-tetramethylbutyl) -16-(:( 2H-benzatriazole-12-yl) pheno]], 2,2,2 -Methylenebis [6- [(
  • triazines there are 2,4-bis (2,1-hydroxyphenyl) -16-aryl-1,3,5-triazine type (see Japanese Patent Application Laid-Open No. Hei 8-239396). And the like.
  • benzoate compounds include 2,4-di-butynolephen-2- ⁇ -3,5-di-t-butynole-4-hydroxybenzoate, hexadecinole-1,3,5-di-t-butyl-4-hydroxybenzoate And so on.
  • Benzophenones include 2,4-dihydroxybenzophenone, 2-hydroxy-14-methoxybenzophenone, and 5,5-methylenebis (2-hydroxy-14-methoxybensophen). Can be mentioned. If necessary, a plurality of these ultraviolet absorbers can be used.
  • the adhesive resin component preferably 0.0 to 3 wt%, more preferably 0.0 5-2 mass 0 / o of about. If the amount of the ultraviolet absorber is less than 0.01% by mass, the weather resistance is not sufficient, and if the amount exceeds 3% by mass, the effect corresponding thereto cannot be expected to be improved.
  • the adhesive resin unlike the case where an ultraviolet absorber is added to a polycarbonate resin, the adhesive resin has a relatively low molding temperature, and has a feature that it can be selected from a wide range irrespective of heat resistance, sublimation and the like.
  • the thickness of the adhesive resin layer is thin, even if the amount of addition is relatively high, there is an additional effect such as not being expensive.
  • a light stabilizer In the adhesive resin layer, a light stabilizer, a coloring agent, and the like can be added to the ultraviolet absorber, if necessary.
  • the light stabilizer include a hindered amine light stabilizer and a phenylbenzoate light stabilizer.
  • hindered amine or phenyl / levenzoate light stabilizers include bis (2,2,6,6-tetramethyl-4-piperidyl) separate, succinic acid and N— (2-H Condensation product with 1,2,2,6,6-tetramethinole-4-hydroxypiperidine, tetrakis (2,2,6,6-tetramethyl-14-piperidyl), 1,2,3 1,4-butanetetracarboxylate, N, N, 1-bis (2,2,6,6-tetramethyl-14-piperidinole) polycondensate of hexamethylenediamine with 1,2-dibromoethane, bis (2,2,6,6-tetramethylpiperidyl) adipate, bis (2,2,6,6-tetramethylpiperidyl) fumarate, poly [[6- (1,1,3,3-tetramethylbutyl) imino 1,3,5-triazine-1 2,4- I le] [(2, 2, 6, 6-t
  • the adhesive resin layer used in the present invention may be composed of an ethylene-vinyl acetate copolymer, a polyurethane, a polyvinyl acetate, an ethylene- (meth) acrylate copolymer, a polyester-polyurethane copolymer, a polycarbonate-polyorganosiloxane copolymer.
  • a required amount of an ultraviolet absorber and a desired additive are blended with the unified product, holibutyral, and the like, and the mixture is formed into a film by means of a film or sheet forming means such as extrusion molding, calendar molding, and inflation molding.
  • the thickness of the adhesive resin film is preferably in the range of about 0.2 to 2 mm, and more preferably in the range of about 0.2 to 0.8 mm.
  • the multilayer structure of the present invention is obtained by inserting an adhesive resin sheet between a glass plate having the shape of a target multilayer structure and a polycarbonate resin sheet, and inserting it into a rubber pack or a vacuum device. After sufficient vacuum degassing, it is manufactured by transferring it to a heating device while it is in a degassed state, and heating it to the temperature at which the adhesive resin in the intermediate layer softens and bonds.
  • the adhesive resin layer described above can be made into two layers as the adhesive resin layer.
  • the surface of the polycarbonate-based resin layer may be coated with a known silicone resin or the like to improve the surface properties such as hardness and scratch resistance. In other words, in general use, the performance of the inner surface is slightly lower than that of the outer surface, so that it can be sufficiently used.
  • the multilayer structure of the present invention basically comprises a polycarbonate resin layer (A), an adhesive resin layer (B), and a glass layer (C).
  • the adhesive resin layer ( ⁇ ′) 22 In some cases, it is preferable to integrate 1, 2, 2 and 2 and the glass layer (C,) 33 to form a symmetrical structure around the polycarbonate resin layer. In this case, the thickness of each layer can be appropriately changed.
  • the adhesive resin layer (′) and the glass layer (C ′) do not necessarily require the ultraviolet ray absorbing component, which is an essential component in the present invention.
  • the weather resistance of the obtained multilayer structure was measured using a sunshine weather meter (test conditions: 63, rainfall conditions, 480 hours), and ⁇ I before and after the test was changed to JISK 705. It measured according to. Table 1, Table 2, and Table 3 show the measurement results along with the areal density of the multilayer structure.
  • PC 1 Bisphenol A polycarbonate resin with a viscosity average molecular weight of 22, 000. The amount of terminal hydroxyl groups is mol% per repeating unit of the polymer chain.
  • PC 2 Bisphenol 7-polycarbonate resin with a viscosity average molecular weight of 22,000. The amount of terminal hydroxyl groups is 6 mol% per repeating unit of the polymer chain.
  • PC 3 Bisphenol A polycarbonate resin with a viscosity average molecular weight of 22,000. The amount of terminal hydroxyl groups is 10 mol% per repeating unit of the polymer chain.
  • PC4 Bisphenol A polycarbonate resin with a viscosity average molecular weight of 22,000. The amount of terminal hydroxyl groups is 14 mol 0 / o per repeating unit of the polymer chain.
  • the amount of terminal hydroxyl groups was adjusted according to the method described in JP-A-1-74231, and 1.3 ppm based on the terminal structure (pt-butylphenyl) and the hydroxyl terminal were determined using iH-NMR. Calculated from the peak area of 6.7 ppm based on
  • UV-absorbing glass plate (glass U) and glass plate without UV-absorbing (glass) obtained by adding 1.5% by mass of cerium oxide and titanium oxide to basic soda lime silica glass material
  • EVA ethylene vinyl acetate copolymer having a vinyl acetate content of 40 mass 0 / o
  • EVA1 Ethyl acetate butyl copolymer with a butyl acetate content of 40 mass 0 / o
  • benzotriazole UV absorber Tinuvin 329 [2-2, monohydroxy-5'-t-octylphenol (Benzotriazole) (Ciba Specialty 'Chemicals') 1.0 mass 0 / o content
  • EVA 2 ethylene ⁇ Bulle copolymer of acetate Bulle content of 40 wt%, triazine-based UV absorber: T inuvin 1 577 (manufactured by Chipa Su Bae Shariti Chemicals) 1.0 weight 0/0 containing Table i
  • Example Example 2 Example 3 Example 4 Example 5 Example 5 Example 6 Example
  • Adhesive layer C 0.4 S P C S P C
  • Adhesive layer C 0.4 5 C
  • the multilayer structure of the present invention has a smaller areal density and is lighter than the laminated glass of Comparative Example 5. It is also clear that the weather resistance is significantly better than the comparative example. Further, from Reference Examples 1 and 2 and Comparative Example 6, it is found that the amount of terminal hydroxyl groups in the polycarbonate resin is preferably 8 mol% or less per repeating unit of the polymer chain, from the viewpoint of weather resistance.
  • the outer surface of the multilayer structure (laminate) of the present invention is formed of inorganic glass. As a result, it has the same hardness and scratch resistance as inorganic glass, and has excellent performance due to its light weight and combined impact resistance with polycarbonate resin. Furthermore, the polycarbonate resin sheet is not substantially blended with an ultraviolet absorber, and the polycarbonate resin sheet is yellowed and the transparency is reduced, resulting in a multilayer structure having extremely excellent weather resistance. Therefore, in combination with the impact resistance of the polycarbonate resin, it can contribute to the weight reduction of automobiles such as automobile door glass and sunroof glass. In addition, it will be possible to expand its use as windows for buildings, schools, etc., shop windows, and roofing materials.

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  • Laminated Bodies (AREA)

Abstract

L'invention se rapporte à une structure multicouche comportant (A) une couche de résine de polycarbonate, (B) une couche de résine adhésive et (C) une couche de verre. Cette structure est telle que soit la couche de verre soit la couche de résine adhésive comporte un composant absorbant le rayonnement ultraviolet et que, de préférence, la couche de résine de polycarbonate possède des groupes hydroxyle terminaux en quantité représentant 8 % ou moins en pourcentage molaire de la quantité des unités récurrentes de sa chaîne polymère. Cette structure multicouche est légère et s'avère présenter une excellente résistance aux chocs et analogue. Elle se caractérise également par une tendance réduite au jaunissement et à la perte de transparence lorsqu'elle est utilisée en extérieur pendant une période prolongée.
PCT/JP2000/008212 1999-11-25 2000-11-21 Structure multicouche WO2001038088A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001539675A JP4439782B2 (ja) 1999-11-25 2000-11-21 多層構造体

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11/334342 1999-11-25
JP33434299 1999-11-25

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WO2001038088A1 true WO2001038088A1 (fr) 2001-05-31

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JP2004338365A (ja) * 2002-11-08 2004-12-02 Koyo Sangyo Co Ltd 窓ガラス保護用シート
JP2009001480A (ja) * 2001-07-11 2009-01-08 Solutia Inc ラミネート加工されたガラス用の複合中間層
WO2015008869A1 (fr) * 2013-07-18 2015-01-22 住友ベークライト株式会社 Corps composite, et composant pour machine-outil
WO2015093352A1 (fr) * 2013-12-16 2015-06-25 旭硝子株式会社 Stratifié de verre-résine et son procédé de production
JP2015128901A (ja) * 2006-08-23 2015-07-16 ソルティア・インコーポレーテッド 射出成形された多層グレージング
JP2016533924A (ja) * 2013-07-31 2016-11-04 コーニング インコーポレイテッド モジュールガラスパネルと平面構造物
US10279567B2 (en) 2013-08-30 2019-05-07 Corning Incorporated Light-weight, high stiffness glass laminate structure
WO2019131973A1 (fr) * 2017-12-28 2019-07-04 出光興産株式会社 Copolymère polycarbonate - polyorganosiloxane
US10596783B2 (en) 2012-05-31 2020-03-24 Corning Incorporated Stiff interlayers for laminated glass structures

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KR102049842B1 (ko) * 2017-10-20 2019-11-28 김관호 자동차용 폴리카보네이트 소재의 단열 윈도우 패널

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JPH07178861A (ja) * 1993-12-24 1995-07-18 Mitsui Toatsu Chem Inc 近赤外線吸収板

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JP2009001480A (ja) * 2001-07-11 2009-01-08 Solutia Inc ラミネート加工されたガラス用の複合中間層
JP2004338365A (ja) * 2002-11-08 2004-12-02 Koyo Sangyo Co Ltd 窓ガラス保護用シート
JP2015128901A (ja) * 2006-08-23 2015-07-16 ソルティア・インコーポレーテッド 射出成形された多層グレージング
US11305517B2 (en) 2012-05-31 2022-04-19 Corning Incorporated Stiff interlayers for laminated glass structures
US10596783B2 (en) 2012-05-31 2020-03-24 Corning Incorporated Stiff interlayers for laminated glass structures
WO2015008869A1 (fr) * 2013-07-18 2015-01-22 住友ベークライト株式会社 Corps composite, et composant pour machine-outil
US10773495B2 (en) 2013-07-31 2020-09-15 Corning Incorporated Modular wall panels and planar structures
JP2016533924A (ja) * 2013-07-31 2016-11-04 コーニング インコーポレイテッド モジュールガラスパネルと平面構造物
US10279567B2 (en) 2013-08-30 2019-05-07 Corning Incorporated Light-weight, high stiffness glass laminate structure
US9999998B2 (en) 2013-12-16 2018-06-19 Asahi Glass Company, Limited Glass-resin laminate and method for producing same
JPWO2015093352A1 (ja) * 2013-12-16 2017-03-16 旭硝子株式会社 ガラス樹脂積層体およびその製造方法
CN105829051A (zh) * 2013-12-16 2016-08-03 旭硝子株式会社 玻璃树脂层叠体及其制造方法
WO2015093352A1 (fr) * 2013-12-16 2015-06-25 旭硝子株式会社 Stratifié de verre-résine et son procédé de production
WO2019131973A1 (fr) * 2017-12-28 2019-07-04 出光興産株式会社 Copolymère polycarbonate - polyorganosiloxane
US11945908B2 (en) 2017-12-28 2024-04-02 Idemitsu Kosan Co., Ltd. Polycarbonate-polyorganosiloxane copolymer

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