WO2013015403A1 - 複層ガラス用二次シーリング材組成物およびそれを用いた複層ガラス - Google Patents
複層ガラス用二次シーリング材組成物およびそれを用いた複層ガラス Download PDFInfo
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- WO2013015403A1 WO2013015403A1 PCT/JP2012/069102 JP2012069102W WO2013015403A1 WO 2013015403 A1 WO2013015403 A1 WO 2013015403A1 JP 2012069102 W JP2012069102 W JP 2012069102W WO 2013015403 A1 WO2013015403 A1 WO 2013015403A1
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- sealing material
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Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K3/1006—Materials in mouldable or extrudable form for sealing or packing joints or covers characterised by the chemical nature of one of its constituents
- C09K3/1018—Macromolecular compounds having one or more carbon-to-silicon linkages
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/06—Joining glass to glass by processes other than fusing
- C03C27/10—Joining glass to glass by processes other than fusing with the aid of adhesive specially adapted for that purpose
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/101—Esters; Ether-esters of monocarboxylic acids
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/663—Elements for spacing panes
- E06B3/66309—Section members positioned at the edges of the glazing unit
- E06B3/66328—Section members positioned at the edges of the glazing unit of rubber, plastics or similar materials
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/663—Elements for spacing panes
- E06B3/66309—Section members positioned at the edges of the glazing unit
- E06B3/66342—Section members positioned at the edges of the glazing unit characterised by their sealed connection to the panes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2200/02—Inorganic compounds
- C09K2200/0239—Oxides, hydroxides, carbonates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2200/04—Non-macromolecular organic compounds
- C09K2200/0441—Carboxylic acids, salts, anhydrides or esters thereof
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/54—Fixing of glass panes or like plates
- E06B3/5454—Fixing of glass panes or like plates inside U-shaped section members
Definitions
- the present invention relates to a secondary sealing material composition for double glazing and a double glazing using the same.
- Multi-layer glass with excellent heat insulation and sound insulation effect is bonded with a predetermined distance between glass plates via a spacer.
- a primary sealing material mainly composed of polyisobutylene or the like is provided inside the glass plates.
- a secondary sealing material is provided between the glass plates and between the spacers to seal the joint portion of the two glass plates and suppress the movement of the two glass plates.
- the polymer forming the main skeleton of the secondary sealing material include polysulfide, polyurethane, and acrylic (see, for example, Patent Documents 1 to 3).
- a plasticizer contained in the sealant composition of the secondary sealant for example, butylbenzyl phthalate is used in the polysulfide sealant composition, and in the polyurethane sealant composition and the acrylic sealant composition,
- phthalic acid plasticizers such as diisononyl phthalate are used.
- heat, water, moisture, and the like are listed as external environments that promote deterioration of the primary sealing material and the secondary sealing material used for the double-glazed glass.
- water collected in the groove of the rail formed on the window frame is warmed by sunlight, and the warmed water adheres to and is absorbed by the secondary sealing material, thereby degrading the secondary sealing material.
- the tensile strength of the secondary sealing material is reduced or expanded.
- the primary sealing material is easily broken by the movement of the double-glazed glass, the deteriorated secondary sealing material cannot sufficiently restrain the movement of the glass plate caused by the expansion and contraction of the air in the double-glazed glass due to the temperature change. In some cases, the primary sealing material was destroyed. When the primary sealing material is destroyed, external air or water enters through the gaps between the destroyed primary sealing materials, and condensation occurs between the multiple glass layers.
- the present invention has a secondary sealing material composition for double-glazed glass that has a high durability when it is used as a sealing material for double-glazed glass to reduce the decrease in modulus with respect to the external environment. It aims at providing the used multilayer glass.
- the present invention includes the following (1) to (3).
- the present invention it is possible to reduce a decrease in modulus with respect to the external environment and to have high durability when used as a sealing material for double-glazed glass.
- FIG. 1 is a cross-sectional view schematically showing an example of the configuration of the multilayer glass according to the present embodiment.
- the secondary sealing material composition for double-glazed glass according to the present embodiment includes a modified silicone polymer whose main chain is an acrylate ester-based polymer, and benzoic acid.
- the modified silicone polymer is a polymer containing a hydrolyzable silyl group.
- the modified silicone-based polymer has a property that a siloxane bond is formed by a hydroxy group and / or a hydrolyzable group bonded to a silicon atom to form a cured product by crosslinking.
- the main chain of the modified silicone polymer include a polyether polymer, a polyester polymer, an ether / ester block copolymer, an ethylenically unsaturated compound polymer, and a diene compound polymer.
- the hydrolyzable silyl group should just be couple
- Examples of the polyether polymer include those having repeating units of ethylene oxide, propylene oxide, butylene oxide, and polyphenylene oxide.
- Examples of the polyester polymer include carboxylic acids such as acetic acid, propionic acid, maleic acid, phthalic acid, citric acid, pyruvic acid, and lactic acid, carboxylic acid anhydrides, their intramolecular and / or intermolecular esters, and substitution thereof. The thing which has a body as a repeating unit is illustrated.
- Examples of the ether / ester block copolymer include those having as a repeating unit both the repeating unit used in the above-mentioned polyether polymer and the repeating unit used in the above-mentioned polyester polymer.
- Examples of the ethylenically unsaturated compound polymer and diene compound polymer include homopolymers such as ethylene, propylene, acrylic ester, methacrylic ester, vinyl acetate, acrylonitrile, styrene, isobutylene, butadiene, isoprene, chloroprene, and the like. These 2 or more types of copolymers are mentioned.
- an acrylate ester homopolymer or two or more copolymers other than acrylate ester and acrylate ester are used as the main chain.
- an acrylate ester homopolymer, or two or more copolymers other than an acrylate ester and an acrylate ester can be used alone or in combination of two or more. .
- the hydrolyzable silyl group contained in the modified silicone polymer is not particularly limited as long as it is a silicon atom-containing group or silanol group having a hydrolyzable group directly bonded to a silicon atom.
- the hydrolyzable silyl group can cause a condensation reaction such as a dehydration reaction by using a condensation catalyst under conditions where moisture, a crosslinking agent and the like are present.
- Examples of hydrolyzable groups include halogen atoms, alkoxy groups, acyloxy groups, ketoximate groups, amino groups, amide groups, acid amide groups, aminooxy groups, mercapto groups, and alkenyloxy groups.
- an alkoxy group is preferable.
- the alkoxy group include a methoxy group, an ethoxy group, a propoxy group, and a butoxy group.
- the production method of the modified silicone polymer is not particularly limited.
- it can be produced by a conventionally known method as described in Japanese Patent Publication No. 61-18569.
- Examples of commercially available products include MS polymer S-203, MS polymer S-303, MS polymer S-903, MS polymer S-911, silyl polymer SAT200, silyl polymer MA430, and silyl polymer manufactured by Kaneka Corporation.
- MAX447 EXESTER ESS-3620, EXESTER ESS-3430, EXESTER ESS-2420, EXESTER ESS-2410, etc. manufactured by Asahi Glass Co., Ltd.
- the molecular weight of the modified silicone polymer is not particularly limited. From the viewpoint of viscosity and workability, the number average molecular weight (Mn) is preferably 1,000 to 30,000, preferably 3,000 to 15,000. More preferably. In such a range, the viscosity of the secondary sealing material composition for double-glazed glass becomes appropriate and handling becomes easy. In the present embodiment, the number average molecular weight is measured by gel permeation chromatography (GPC).
- ⁇ Benzoic acid ester plasticizer examples include ethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, propylene glycol, dipropylene glycol, tripropylene glycol, tetrapropylene glycol, 2,2,4-trimethyl-1,3.
- -Pentanediol benzoate polyethylene glycol, propylene glycol, dipropylene glycol, tripropylene glycol, 1,3-butanediol, 1,4-butanediol, 1,6-hexanediol, 3-methyl-1,5 -Pentanediol, 1,8-octanediol dibenzoate, hydroxypivalic acid neopentyl glycol ester or mixtures thereof.
- Specific examples include EB-400 (manufactured by Sanyo Chemical Industries).
- a benzoate ester represented by the following general formula (1) is preferably used as the benzoate ester plasticizer.
- the sealing material composition of the present embodiment contains a benzoate plasticizer, so that when the sealing material composition of the present embodiment is used as a sealing material, high-temperature water impregnates the inside of the sealing material. Since it can suppress, the effect which suppresses that the elasticity modulus of a sealing material falls is acquired.
- R is an organic group, preferably a hydrocarbon group having 1 to 20 carbon atoms.
- a preferable content of the benzoate ester plasticizer is 5% by mass or more and 30% by mass or less in the composition from the viewpoint of improving the physical properties of the sealing material such as workability of the sealing material and maximum tensile stress, more preferably It is 15 mass% or more and 25 mass% or less, More preferably, it is 19 mass% or more and 22 mass%.
- the content of the benzoate ester plasticizer is 5% by mass or more, workability and elongation as a sealing material can be sufficiently obtained, and when it is 30% by mass or less, after the initial curing of the sealing material This is because an appropriate value of the maximum tensile stress can be obtained.
- composition of the present embodiment can contain various additives as necessary in addition to the above-described components within a range that does not impair the purpose of the present embodiment.
- the additive include a filler, a plasticizer, an adhesion imparting agent, a pigment, a dye, an anti-aging agent, an antioxidant, an antistatic agent, a flame retardant, a tackifier resin, a stabilizer, and a dispersant.
- Each additive can be used in combination as appropriate.
- organic or inorganic materials of various shapes can be mentioned.
- plasticizer examples include polypropylene glycol (B), diisononyl phthalate (DINP), dioctyl phthalate (DOP), dibutyl phthalate (DBP); dioctyl adipate, isodecyl succinate; diethylene glycol dipenzoate, pentaerythritol Examples include esters; butyl oleate, methyl acetylricinoleate; tricresyl phosphate, trioctyl phosphate; propylene glycol adipate polyester, butylene glycol adipate polyester; alkylsulfonic acid phenyl ester (for example, mezamol manufactured by Bayer) and the like.
- B polypropylene glycol
- DINP diisononyl phthalate
- DOP dioctyl phthalate
- DBP dibutyl phthalate
- dioctyl adipate isodecyl succinate
- an acrylic polymer that is polymerized at a polymerization temperature of 150 ° C. or more and 350 ° C. or less and having a number average molecular weight of 500 or more and 5000 or less without using a chain transfer agent can be used.
- silane coupling agents such as trimethoxyvinylsilane and ⁇ -glycidoxypropyltrimethoxysilane are particularly effective in improving the adhesion to wet surfaces, and are general-purpose compounds. To preferably.
- the pigment may be either an inorganic pigment or an organic pigment.
- an inorganic pigment for example, carbon black, titanium oxide, zinc oxide, ultramarine, bengara, lithopone, lead, cadmium, iron, cobalt, aluminum, hydrochloride, sulfate, inorganic pigments, azo pigments, copper phthalocyanine pigments, etc. Can do.
- the dye is not particularly limited, and conventionally known dyes can be used. For example, black dye, yellow dye, red dye, blue dye, and brown dye can be mentioned.
- anti-aging agent examples include hindered phenol compounds and hindered amine compounds.
- antioxidants examples include butylhydroxytoluene (BHT) and butylhydroxyanisole (BHA).
- antistatic agent examples include quaternary ammonium salts; hydrophilic compounds such as polyglycols and ethylene oxide derivatives.
- Examples of the flame retardant include chloroalkyl phosphate, dimethyl / methylphosphonate, bromine / phosphorus compound, ammonium polyphosphate, neopentyl bromide-polyether, and brominated polyether.
- tackifying resin examples include terpene resins, phenol resins, terpene-phenol resins, rosin resins, xylene resins, epoxy resins, alkyl titanates, organic polyisocyanates, and the like.
- stabilizer examples include fatty acid silyl esters and fatty acid amide trimethylsilyl compounds.
- Dispersant refers to a substance in which a solid is made into fine particles and dispersed in a liquid, and examples thereof include sodium hexametaphosphate, condensed sodium naphthalene sulfonate, and a surfactant.
- a method for producing the composition of the present embodiment is not particularly limited.
- each of the above components can be used in a roll, a kneader, an extruder, a universal agitator, a mixing mixer, etc. under reduced pressure or in an inert gas atmosphere such as nitrogen.
- examples thereof include a method of sufficiently kneading using a stirrer and mixing by uniformly dispersing.
- the obtained composition of the present embodiment is stored in a closed container, and a cured product can be obtained at room temperature by using moisture in the air at the time of use.
- the composition of the present embodiment is a secondary sealing material composition for double-glazed glass comprising a modified silicone polymer whose main chain is an acrylate ester polymer and a benzoate plasticizer. It is. Since the composition of this embodiment can improve the uniformity of mixing of the modified silicone polymer and the benzoate plasticizer, the cured product obtained by curing the composition of this embodiment has a modulus against moisture. Can be reduced. That is, when a cured product of a composition containing a urethane-based prepolymer that has been used conventionally is used as a secondary sealing material for a double-glazed glass, the modulus decreases due to an external environment such as heat, water, moisture, When the glass expanded or contracted, the glass plate could not be stably restrained.
- the composition of the present embodiment contains a modified silicone polymer whose main chain is an acrylate ester polymer and a benzoate ester plasticizer, so that heat, water, moisture and the like can be obtained. Since it is possible to reduce the decrease in the modulus with respect to the target environment, it is possible to have high durability. For this reason, when the hardened
- a glass plate can be restrained stably.
- the primary sealing material can be prevented from being destroyed by the movement of the glass plate, so that external air and water can enter from the gaps in the primary sealing material and prevent condensation from forming inside the multilayer glass. Can do.
- FIG. 1 is a cross-sectional view schematically showing an example of the configuration of the multilayer glass according to the present embodiment.
- a multilayer glass (multilayer glass of the present embodiment) 10 according to the present embodiment includes two glass plates 11, a spacer 12, a primary sealing material 13, and a secondary sealing material 14. Is included.
- the two glass plates 11 are arranged to face each other with a spacer 12 interposed therebetween.
- the primary sealing material 13 seals part or all between the two glass plates 11 and the spacers 12.
- the secondary sealing material 14 seals part or all of the gap formed by the outer surface of the primary sealing material 13 and the spacer 12 opposite to the hollow layer 15 and the inner surfaces of the two glass plates 11. .
- the secondary sealing material 14 is obtained by filling and curing the composition of the present embodiment.
- the spacer 12 may have a desiccant (hygroscopic material) inside.
- the multilayer glass 10 of the present embodiment is mechanically fitted into the window frame 16 by the glass fitting block 17 of the window sash (window frame) 16.
- An elastic sealant 18 is provided between the window frame 16 and the glass plate 11.
- the elastic sealant 18 serves to bond the window frame 16 to the double glazing 10 in a friction-fixed manner, and at the same time provides good support for the individual glass plates 11 of the double glazing 10 relative to the window frame 16. ing.
- the elastic sealant 18 prevents water from penetrating from the outside.
- the multi-layer glass 10 of the present embodiment is not particularly limited with respect to other configurations, structures, and the like as long as the composition of the present embodiment is used as the secondary sealing material 14.
- a spacer / sealing material composed of a composition in which the spacer 12 and the primary sealing material 13 are integrated may be used.
- an adhesive layer may be provided between the glass plate 11 and the primary sealing material 13.
- multi-layer glass 10 of the present embodiment two glass plates 11 are provided, but the present embodiment is not limited to this, and three or more glass plates 11 may be provided, as necessary. Can be determined as appropriate.
- the spacer 12 can be a spacer used for general multilayer glass, for example, a hollow portion of a hollow metal spacer filled with a desiccant (hygroscopic agent). Resin spacers can be used.
- the glass plate 11 is not particularly limited, and for example, a glass plate used for building materials and vehicles can be used. Specific examples include glass, float plate glass, mold plate glass, heat ray reflective glass, netted plate glass, heat ray absorbing plate glass, low radiation glass (Low-E glass), tempered glass, and organic glass.
- the thickness of the glass plate 11 is not particularly limited, and may be a predetermined thickness as appropriate.
- the material of the primary sealing material 13 is not particularly limited, and for example, a butyl rubber hot melt, a low moisture permeability material, or the like can be used. In view of low gas permeability, the material of the primary sealing material 13 is preferably butyl rubber.
- the method for producing the multilayer glass 10 of the present embodiment is not particularly limited.
- a spacer 12 is installed between two parallel glass plates 11 fixed to a machine, and the primary sealing material 13 is extruded and bonded with a nozzle or the like connected to the extruder, and then the main sealant 13 is used with the extruder.
- the multilayer glass 10 of this embodiment can be manufactured by extruding the composition of the embodiment and providing the secondary sealing material 14. Moreover, you may apply
- the primer and adhesive may be applied manually by an applicator or the like, or by an extruder that automatically extrudes the primer or adhesive.
- the composition and adhesive of this embodiment are directly glass using an extruder so that an adhesive may be provided between the glass plate 11, the spacer 12, and the primary sealant 13 and the secondary sealant 14. It can be extruded into the peripheral edge of the plate 11.
- the secondary sealing material 14 can have high durability. Therefore, good adhesiveness between the glass plate 11 and the secondary sealing material 14 can be maintained, and the glass plate 11 can be stably restrained. Thereby, since it can suppress that the primary sealing material 13 is destroyed by the movement of the glass plate 11, the primary sealing material 13 is destroyed and external air and water enter from the gaps of the primary sealing material 13, and the multi-layer glass It is possible to suppress the occurrence of condensation in the interior of 10.
- the composition of the present embodiment Since the composition of the present embodiment has the excellent characteristics as described above, it is preferably used as a sealing material for double-glazed glass as described above, but the use of the composition of the present embodiment is particularly limited.
- sealing materials for civil engineering, concrete, automobile, wood, metal, glass, plastic, etc. various sealants, elastic adhesives, various sealants, potting agents, coatings It is preferably used as a material or a lining material.
- the composition of the present embodiment can be used as joints for metal / ceramics siding materials, joints for concrete walls, joints for tiles, structural adhesives in concrete and mortar, crack injection materials, etc. Is preferred.
- composition of the present embodiment is a one-pack type secondary sealing material composition for multi-layer glass
- the composition of the embodiment may be a two-pack type secondary sealing material composition for double-glazed glass. That is, the sealing material composition comprises a modified silicone polymer whose main chain is an acrylate ester polymer, a benzoate plasticizer, and a benzoate plasticizer. It is good also as the secondary sealing material composition for multilayer glass which has.
- the production method of the main agent and the curing agent is not particularly limited, and the above-described modified silicone polymer, benzoate plasticizer, and various additives added as necessary may be mixed by the above-described method.
- the two-pack type sealant composition is used by mixing the main agent and the curing agent according to a conventional method before use.
- the two-pack type sealing material composition may be moisture curable, reactive curable, or heat curable.
- composition of the present embodiment will be specifically described by way of examples. However, this embodiment is not limited to these.
- Examples 1 to 4 Comparative Examples 1 to 5>
- Each component shown in Table 1 below is prepared as a main component and a curing agent having the composition (parts by mass) shown in Table 1, and the main component and the curing agent shown in Table 1 are mixed using a stirrer.
- a secondary sealing material composition for double-glazed glass was obtained to produce a sealing material.
- Table 1 shows the addition amount (parts by mass) of each component in each Example and Comparative Example.
- the sealing materials of Examples 1 to 4 each had a retention rate of 70% or more after immersion in warm water. Therefore, in the sealing materials of Examples 1 to 4, it can be said that the main agent and the curing agent are uniformly mixed, and the decrease in modulus with respect to moisture is small. This is presumably because the benzoate plasticizer has the effect of preventing high temperature water from impregnating the inside of the sealing material and thereby reducing the elastic modulus.
- the sealing materials of Comparative Examples 1 to 5 each had a coercivity of 70% or less after immersion in warm water. Therefore, it can be said that the sealing materials of Comparative Examples 1 to 5 cannot sufficiently suppress the decrease in modulus with respect to warm water. Decreasing the breaking strength after being immersed in warm water means that the elastic modulus of the sealing material is lowered and the sealing material is softened, and the force for restraining the glass plate is weakened accordingly.
- the benzoate plasticizer in the modified silicone polymer that is an acrylic ester polymer the decrease in the modulus with respect to moisture can be reduced.
- the decrease in breaking strength after immersion in warm water the decrease in the elastic modulus of the sealing material can be suppressed, and the sealing material can be suppressed from becoming soft, so that the force for restraining the glass plate can be suppressed from becoming weak. . Therefore, it has been found that the cured product of the composition of the present embodiment can be suitably used as a sealing material for double glazing because it has excellent durability against hot water.
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Abstract
Description
(1) 主鎖がアクリル酸エステル系の重合体である変成シリコーン系ポリマーと、
安息香酸エステル系可塑剤と、
を含むことを特徴とする複層ガラス用二次シーリング材組成物。
(2) 前記安息香酸エステル系可塑剤を、組成物中に5質量%以上30質量%以下含むことを特徴とする上記(1)に記載の複層ガラス用二次シーリング材組成物。
(3) 上記(1)または(2)に記載の複層ガラス用二次シーリング材組成物を二次シーリング材として用いた複層ガラス。
変成シリコーン系ポリマーは、加水分解性シリル基を含有する重合体である。変成シリコーン系ポリマーは、ケイ素原子に結合したヒドロキシ基および/または加水分解性基により、シロキサン結合を形成し架橋して硬化物となる性質を有する。変成シリコーン系ポリマーは、その主鎖としては、例えば、ポリエーテル重合体、ポリエステル重合体、エーテル/エステルブロック共重合体、エチレン性不飽和化合物重合体、ジエン系化合物重合体が挙げられる。加水分解性シリル基はこのような主鎖の末端または側鎖に結合していればよい。
安息香酸エステル系可塑剤としては、例えば、エチレングリコール、ジエチレングリコール、トリエチレングリコール、テトラエチレングリコール、プロピレングリコール、ジプロピレングリコール、トリプロピレングリコール、テトラプロピレングリコール、2,2,4-トリメチル-1,3-ペンタンジオールの安息香酸エステル、ポリエチレングリコール、プロピレングリコール、ジプロピレングリコール、トリプロピレングリコール、1,3-ブタンジオール、1,4-ブタンジオール、1,6-ヘキサンジオール、3-メチル-1,5-ペンタンジオール、1,8-オクタンジオールのジ安息香酸エステル、ヒドロキシピバリン酸ネオペンチルグリコールエステルまたはそれらの混合物が挙げられる。具体的には、EB-400(三洋化成工業社製)などが挙げられる。
次に、本実施形態に係る複層ガラスについて以下に説明する。本実施形態に係る複層ガラスは、本実施形態の組成物を二次シーリング材として用いたものである。図1は、本実施形態に係る複層ガラスの構成の一例を模式的に示す断面図である。図1に示すように、本実施形態に係る複層ガラス(本実施形態の複層ガラス)10は、2枚のガラス板11と、スペーサ12と、一次シーリング材13と、二次シーリング材14とを含むものである。2枚のガラス板11はスペーサ12を介して互いに対向して配置されている。一次シーリング材13は2枚のガラス板11とスペーサ12との間の一部または全部を封止する。2枚のガラス板11とスペーサ12との間を一次シーリング材13で封止することにより、2枚のガラス板11の間には中空層15が形成される。二次シーリング材14は、一次シーリング材13およびスペーサ12の中空層15とは反対側の外周面と、2枚のガラス板11の内面とにより形成される空隙の一部または全部を封止する。二次シーリング材14は、本実施形態の組成物を充填し硬化させて得られるものである。スペーサ12はその内部に乾燥剤(吸湿材)を有してもよい。
下記表1の各成分を、表1に示す組成(質量部)の主剤および硬化剤をそれぞれ調製し、表1に示される各主剤および硬化剤をかくはん機を用いて混合し、二液型の複層ガラス用二次シーリング材組成物を得て、シーリング材を作製した。各々の実施例、比較例における各成分の添加量(質量部)を表1に示す。
上記で得られた各シーリング材を、JIS A 1439に準拠して試験を行い、初期養生後(20℃×7日+50℃×7日)の最大引張応力(N/mm2)と、更に温水浸漬後(90℃×14日)の最大引張応力(N/mm2)とを測定した。2枚のガラス板の間にシーリング材を充填した2形(H形)の試験体(H形試験体)を用いて引張接着性試験により評価した。そして、温水に浸漬した後の最大引張応力の保持率を下記式(1)により算出した。なお、初期養生とは、H型試験体を25℃で7日間放置した後、50℃で7日間放置した後である。また、別のH型試験体を、初期養生後、90℃の温水に14日間浸漬した後、上述と同様に、最大引張応力を測定した。温水に浸漬した後の最大引張応力の保持率の測定結果を表1に示す。保持率が70%以上の場合には、破断強度が良好であると判断した。
保持率(%)=(温水に浸漬した後の試験体の最大引張応力)/(初期養生後の試験体の最大引張応力)×100・・・(1)
判定基準
「○」:破断強度が良好
「×」:破断強度が不十分
・ポリマーA:アクリル酸エステル系の変成シリコーン系ポリマー、カネカ社製
・ポリマーB:PPG系の変成シリコーン系ポリマー、カネカ社製
・ポリマーC:ポリサルファイド系ポリマーを含むポリマー、東レ・ファインケミカル社製
・可塑剤1:安息香酸エステル系、Benzoflex9-88 CBC社製
・可塑剤2:フタル酸エステル系(DINP、新日本理化社製)
・可塑剤3:アジピン酸系ポリエステル、DINA、ジェイ・プラス社製
・炭酸カルシウム1:白艶華CCR、白石工業社製
・炭酸カルシウム2:スーパーS、丸尾カルシウム社製
・硬化触媒:オクチル酸スズ
・カーボンブラック:商品名「MA600」、三菱化学社製
11 ガラス板
12 スペーサ
13 一次シーリング材
14 二次シーリング材
15 中空層
16 窓サッシ(窓枠)
17 ガラス嵌めブロック
18 弾性封止剤
Claims (3)
- 主鎖がアクリル酸エステル系の重合体である変成シリコーン系ポリマーと、
安息香酸エステル系可塑剤と、
を含むことを特徴とする複層ガラス用二次シーリング材組成物。 - 前記安息香酸エステル系可塑剤を、組成物中に5質量%以上30質量%以下含むことを特徴とする請求項1に記載の複層ガラス用二次シーリング材組成物。
- 請求項1または2に記載の複層ガラス用二次シーリング材組成物を二次シーリング材として用いた複層ガラス。
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CN201280003291.9A CN103153903B (zh) | 2011-07-27 | 2012-07-27 | 用于多层玻璃的二次密封材料组合物、以及使用其的多层玻璃 |
US13/880,006 US20130287975A1 (en) | 2011-07-27 | 2012-07-27 | Secondary Sealing Material Composition for Multi-Layered Glass and Multi-Layered Glass Using the Same |
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JP2011163876A JP5158240B2 (ja) | 2011-07-27 | 2011-07-27 | 複層ガラス用二次シーリング材組成物及びそれを用いた複層ガラス |
JP2011-163876 | 2011-07-27 |
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JP (1) | JP5158240B2 (ja) |
CN (1) | CN103153903B (ja) |
WO (1) | WO2013015403A1 (ja) |
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EP3088474A4 (en) | 2013-12-26 | 2017-08-09 | Kaneka Corporation | Curable composition and cured product thereof |
US20170298679A1 (en) * | 2016-04-17 | 2017-10-19 | Kyun Jang Chin | Vacuum Insulated Glass Units with Ring Shaped Pillars |
EP3348529A1 (en) * | 2017-01-17 | 2018-07-18 | Dana Lim A/S | Sealer composition for edge sealing of insulation glass |
US10227817B2 (en) * | 2017-05-08 | 2019-03-12 | Advanced Building Systems, Inc. | Vented insulated glass unit |
IT201900009759A1 (it) * | 2019-06-21 | 2020-12-21 | Getters Spa | Vetri evacuati |
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JP2001031450A (ja) * | 1999-07-22 | 2001-02-06 | Central Glass Co Ltd | 複層ガラスおよびその製造方法 |
JP2006273976A (ja) * | 2005-03-29 | 2006-10-12 | Yokohama Rubber Co Ltd:The | 2液型複層ガラス二次シール材用組成物およびそれを用いた複層ガラス |
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US3423376A (en) * | 1965-12-28 | 1969-01-21 | Thiokol Chemical Corp | Air-curable sealant and caulking composition |
JP3218708B2 (ja) * | 1992-07-29 | 2001-10-15 | 大日本インキ化学工業株式会社 | 重合体組成物 |
WO2003029355A1 (fr) * | 2001-09-27 | 2003-04-10 | Sekisui Chemical Co., Ltd. | Compositions durcissables, materiau de scellement et adhesif |
US7781559B2 (en) * | 2003-08-01 | 2010-08-24 | Cemedine Co., Ltd. | Curable composition and method for producing the same |
CN101184820B (zh) * | 2005-04-08 | 2012-12-26 | 费罗(比利时)私人有限公司 | 用于改善声学性能的方法 |
DE102005021017A1 (de) * | 2005-05-03 | 2006-11-09 | Basf Ag | Verwendung Silicium enthaltender Polymerisate als Bauklebstoffe |
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CN1935872B (zh) * | 2005-09-23 | 2010-08-18 | 长兴化学工业股份有限公司 | 可辐射固化的烷氧硅烷化超支链化聚酯丙烯酸酯和其制备方法 |
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JP2001031450A (ja) * | 1999-07-22 | 2001-02-06 | Central Glass Co Ltd | 複層ガラスおよびその製造方法 |
JP2006273976A (ja) * | 2005-03-29 | 2006-10-12 | Yokohama Rubber Co Ltd:The | 2液型複層ガラス二次シール材用組成物およびそれを用いた複層ガラス |
JP2010116314A (ja) * | 2008-10-16 | 2010-05-27 | Thermo Work:Kk | 複層ガラスパネル |
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CN103153903B (zh) | 2014-07-23 |
CN103153903A (zh) | 2013-06-12 |
JP2013028472A (ja) | 2013-02-07 |
US20130287975A1 (en) | 2013-10-31 |
JP5158240B2 (ja) | 2013-03-06 |
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