CN111791555A - Laminated hollow glass and preparation method thereof - Google Patents

Laminated hollow glass and preparation method thereof Download PDF

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Publication number
CN111791555A
CN111791555A CN202010610896.0A CN202010610896A CN111791555A CN 111791555 A CN111791555 A CN 111791555A CN 202010610896 A CN202010610896 A CN 202010610896A CN 111791555 A CN111791555 A CN 111791555A
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China
Prior art keywords
parts
sound insulation
outer sheet
hollow glass
glass
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CN202010610896.0A
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Chinese (zh)
Inventor
郭家明
李林
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Yicheng Jiahai Glass Co ltd
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Yicheng Jiahai Glass Co ltd
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Priority to CN202010610896.0A priority Critical patent/CN111791555A/en
Publication of CN111791555A publication Critical patent/CN111791555A/en
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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
    • 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
    • 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
    • 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
    • B32B17/1055—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 resin layer, i.e. interlayer
    • B32B17/1077—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 resin layer, i.e. interlayer containing polyurethane
    • 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
    • B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
    • B32B17/10816—Making laminated safety glass or glazing; Apparatus therefor by pressing
    • 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
    • B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
    • B32B17/1088—Making laminated safety glass or glazing; Apparatus therefor by superposing a plurality of layered products
    • 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
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • 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
    • B32B37/0007—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality
    • B32B37/003—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality to avoid air inclusion
    • 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
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • 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
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2371/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
    • C08J2371/02—Polyalkylene oxides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2429/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
    • C08J2429/14—Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
    • C08J2471/02—Polyalkylene oxides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2475/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
    • C08J2483/04—Polysiloxanes
    • 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
    • C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
    • 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
    • C08K5/13—Phenols; Phenolates
    • C08K5/134—Phenols containing ester groups
    • C08K5/1345—Carboxylic esters of phenolcarboxylic acids
    • 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
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/22—Expanded, porous or hollow particles
    • C08K7/24—Expanded, porous or hollow particles inorganic

Abstract

The invention relates to laminated hollow glass, which comprises an outer sheet, a hollow layer and an inner sheet which are sequentially bonded, wherein the outer sheet comprises a glass substrate, a PVB adhesive layer, a sound insulation layer, a PVB adhesive layer and a glass substrate which are sequentially bonded; the sound insulation layer comprises the following raw materials in parts by mass: 15-25 parts of polyvinyl butyral, 50-80 parts of waterborne polyurethane, 50-75 parts of polyoxyethylene, 0.5-1.5 parts of a flatting agent, 0.6-1.2 parts of polydimethylsiloxane, 15-30 parts of a plasticizer, 10101-3 parts of an antioxidant, 5-8 parts of molecular sieve micro powder and 3-6 parts of polyester fiber sound-absorbing cotton. The invention also provides a preparation method of the laminated hollow glass. The laminated hollow glass prepared by the technical scheme of the invention has excellent sound insulation performance.

Description

Laminated hollow glass and preparation method thereof
Technical Field
The invention belongs to the technical field of hollow glass processing, and particularly relates to laminated hollow glass and a preparation method thereof.
Background
The laminated hollow glass is a combination of hollow glass and laminated glass, and is composed of two or more pieces of glass, a certain interval is kept between the glass and the glass, dry air is filled in the interval, and the periphery of the interval is wrapped by a sealing material, so that the laminated hollow glass is processed. The laminated hollow glass has excellent performances of shock resistance, theft prevention, bullet prevention, explosion prevention and the like, can be stuck together and cannot fall off after being crushed, and is the safety glass with high real safety degree, so the laminated hollow glass is used in places with higher safety requirements, such as passenger car front windshield glass and daylighting roofs higher than 3 meters, and the bullet-proof glass for banks and airplanes is also one of the laminated hollow glass.
The common laminated hollow glass has low strength, is basically the same as single common glass, has strength and safety performance, and is widely applied to indoor partitions, sideboard, stage floors and curtain walls with large areas. Common laminated hollow glass intermediate films include PVB, SGP, EVA, PU and the like. The PVB film can effectively filter ultraviolet rays and protect valuable furniture, so that the ultraviolet resistance of the laminated hollow glass is remarkably improved.
At present, the commercially available laminated hollow glass has the problem of poor sound insulation effect. Meanwhile, the existence of high decibel noise has become a common problem that people are increasingly prominent in life, and how to effectively control noise needs to be faced at present, so that the problem that the existing laminated hollow glass is poor in sound insulation effect is urgently needed to be solved.
Disclosure of Invention
The invention provides laminated hollow glass and a preparation method thereof, aiming at the technical problems in the prior art, and solving the problem of poor sound insulation effect of the conventional laminated hollow glass.
The technical scheme for solving the technical problems is as follows:
the laminated hollow glass comprises an outer sheet, a hollow layer and an inner sheet which are sequentially bonded, wherein the outer sheet comprises a glass substrate, a PVB (polyvinyl butyral) adhesive layer, a sound insulation layer, a PVB adhesive layer and a glass substrate which are sequentially bonded; the sound insulation layer comprises the following raw materials in parts by mass: 15-25 parts of polyvinyl butyral, 50-80 parts of waterborne polyurethane, 50-75 parts of polyoxyethylene, 0.5-1.5 parts of a flatting agent, 0.6-1.2 parts of polydimethylsiloxane, 15-30 parts of a plasticizer, 10101-3 parts of an antioxidant, 5-8 parts of molecular sieve micro powder and 3-6 parts of polyester fiber sound-absorbing cotton.
On the basis of the technical scheme, the invention can be further improved as follows.
Preferably, the sound insulation layer comprises the following raw materials in parts by mass: 18-22 parts of polyvinyl butyral, 70-80 parts of waterborne polyurethane, 58-68 parts of polyethylene oxide, 0.8-1.2 parts of a leveling agent, 0.8-1.0 part of polydimethylsiloxane, 20-25 parts of a plasticizer, 10102.5-3 parts of an antioxidant, 6-7 parts of molecular sieve micro powder and 4-5 parts of polyester fiber sound-absorbing cotton.
Wherein the leveling agent is polydimethylsiloxane or polymethylphenylsiloxane.
Wherein the plasticizer is one or more of dioctyl phthalate, dibutyl phthalate, triethylene glycol diisocaprylate, triethylene glycol diheptanoate and dibutyl sebacate.
Wherein the glass substrate is semi-tempered glass; the inner sheet is made of toughened glass.
The invention also provides a preparation method of the laminated hollow glass, which comprises the following steps: (1) preparing a sound insulation layer: uniformly mixing polyvinyl butyral, waterborne polyurethane, polyethylene oxide, a leveling agent, polydimethylsiloxane, a plasticizer, an antioxidant 1010, molecular sieve micro powder and polyester fiber sound-absorbing cotton, then carrying out blade coating on the solution by using a wet coater, drying and carrying out constant weight to obtain a sound-insulating layer; (2) laminating the glass substrate, the PVB adhesive layer, the sound insulation layer, the PVB adhesive layer and the glass substrate in sequence, carrying out heat preservation and pressure maintaining after hot pressing and exhausting, and cooling and forming to obtain an outer sheet; (3) and (3) overlapping the outer sheet, the hollow layer and the inner sheet in sequence, performing air suction and sealing in a vacuum coating chamber, and curing to obtain a finished product.
In the step (2), the hot-pressing exhaust is specifically as follows: putting the outer sheet into a rubber-sandwiched rolling furnace, wherein the temperature range of a rolling region is set to be 150-240 ℃; the moving speed of the outer sheet is set to be 1.8m/min-3.5m/min, the outer sheet is moved out within a preset time threshold range, and the tapping temperature is controlled to be 55-70 ℃.
Wherein the laminating roller furnace comprises a first roller press area, a second roller press area and a third roller press area; the temperature of the first roll nip is 150-180 ℃, the temperature of the second roll nip is 180-220 ℃, and the temperature of the third roll nip is 200-240 ℃.
In the step (2), the parameters of heat preservation and pressure maintaining are as follows: the heat preservation temperature is set to be 110-130 ℃, the pressure maintaining pressure is set to be 1.0-1.3MPa, and the heat preservation and pressure maintaining time is 40-50 min.
The invention has the beneficial effects that:
(1) the laminated hollow glass prepared by the technical scheme of the invention has excellent sound insulation performance;
(2) according to the invention, the sound insulation layer is uniformly dispersed in a raw material system of the sound insulation layer by adding the molecular sieve micro powder and the polyester fiber sound absorption cotton in a proper proportion, and a good synergistic effect is achieved by utilizing the mutual matching of the microporous structures of the molecular sieve micro powder and the polyester fiber sound absorption cotton and other components, so that the sound insulation effect of the sound insulation layer is remarkably improved, and the sound insulation performance of the laminated hollow glass is remarkably improved;
(3) the preparation method is simple and convenient to operate and high in production efficiency, bubbles or deformation is not easy to generate in the glass pressing process, and the prepared laminated hollow glass is good in adhesion.
Detailed Description
The principles and features of this invention are described below in conjunction with examples which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
The laminated hollow glass comprises an outer sheet, a hollow layer and an inner sheet which are sequentially bonded, wherein the outer sheet comprises a glass substrate, a PVB (polyvinyl butyral) adhesive layer, a sound insulation layer, a PVB adhesive layer and a glass substrate which are sequentially bonded; the sound insulation layer comprises the following raw materials in parts by mass: 15-25 parts of polyvinyl butyral, 50-80 parts of waterborne polyurethane, 50-75 parts of polyoxyethylene, 0.5-1.5 parts of a flatting agent, 0.6-1.2 parts of polydimethylsiloxane, 15-30 parts of a plasticizer, 10101-3 parts of an antioxidant, 5-8 parts of molecular sieve micro powder and 3-6 parts of polyester fiber sound-absorbing cotton.
Preferably, the sound insulation layer comprises the following raw materials in parts by mass: 18-22 parts of polyvinyl butyral, 70-80 parts of waterborne polyurethane, 58-68 parts of polyethylene oxide, 0.8-1.2 parts of a leveling agent, 0.8-1.0 part of polydimethylsiloxane, 20-25 parts of a plasticizer, 10102.5-3 parts of an antioxidant, 6-7 parts of molecular sieve micro powder and 4-5 parts of polyester fiber sound-absorbing cotton.
When the mass portion of the polyvinyl butyral (PVB) is 15-25 parts, the comprehensive performance of the sound-insulating layer is better and worse along with the increase of the using amount of the PVB; the mass portion of the polyvinyl butyral is preferably 18 to 22 parts.
When the mass portion of the waterborne polyurethane is 50-80 parts, the comprehensive performance of the sound insulation layer is better and better along with the increase of the using amount of the waterborne polyurethane; when the adding amount is 80 parts, the comprehensive performance of the sound insulation layer reaches the best; the mass portion of the waterborne polyurethane is preferably 70-80.
When the mass portion of the polyoxyethylene is 50-75 parts, the comprehensive performance of the sound insulation layer is better and worse along with the increase of the using amount of the polyoxyethylene; the mass portion of the polyethylene oxide is preferably 58 to 68 parts.
Wherein the leveling agent is polydimethylsiloxane or polymethylphenylsiloxane. In addition, when the mass part of the leveling agent is 0.5-1.5 parts, the comprehensive performance of the sound-proof layer is better and worse along with the increase of the using amount of the leveling agent; the mass part of the leveling agent is preferably 0.8-1.2 parts.
The polydimethylsiloxane is used as a defoaming agent, and when the mass portion of the polydimethylsiloxane is 0.6-1.2 parts, the comprehensive performance of the sound insulation layer is better and worse along with the increase of the using amount of the polydimethylsiloxane; the mass portion of the polydimethylsiloxane is preferably 0.8 to 1.0 portion.
Wherein the plasticizer is one or more of dioctyl phthalate, dibutyl phthalate, triethylene glycol diisocaprylate, triethylene glycol diheptanoate and dibutyl sebacate. In addition, when the mass portion of the plasticizer is 15-30 parts, the comprehensive performance of the sound insulation layer is better and worse along with the increase of the using amount of the plasticizer; the mass part of the plasticizer is preferably 20 to 25 parts.
When the mass portion of the antioxidant 1010 is 1-3, the comprehensive performance of the sound insulation layer is better and better along with the increase of the using amount of the antioxidant; when the adding amount is 3 parts, the comprehensive performance of the sound insulation layer reaches the best; the preferable mass portion of the antioxidant 1010 is 2.5-3.
The molecular sieve is an aluminosilicate compound having a cubic lattice, has a uniform microporous structure, and has pores of uniform diameter, which are capable of adsorbing molecules smaller than the diameter thereof to the inside of the pores and have preferential adsorption ability for polar molecules and unsaturated molecules. When the mass portion of the molecular sieve micro powder is 5-8, the comprehensive performance of the sound insulation layer is better and worse along with the increase of the using amount of the molecular sieve micro powder; the mass portion of the molecular sieve micro powder is preferably 6-7.
When the polyester fiber sound-absorbing cotton is 3-6 parts by mass, the comprehensive performance of the sound-insulating layer is better and worse along with the increase of the using amount of the sound-insulating cotton; the polyester fiber sound-absorbing cotton is preferably 4-5 parts by mass.
Wherein the glass substrate is semi-tempered glass; the inner sheet is made of toughened glass.
According to the invention, the sound insulation layer is uniformly dispersed in a raw material system of the sound insulation layer by adding the molecular sieve micro powder and the polyester fiber sound absorption cotton in a proper proportion, and a good synergistic effect is achieved by utilizing the microporous structures of the molecular sieve micro powder and the polyester fiber sound absorption cotton to be matched with other components, so that the sound insulation effect of the sound insulation layer is obviously improved, and the prepared laminated hollow glass has excellent sound insulation performance.
The preparation method of the laminated hollow glass comprises the following steps: (1) preparing a sound insulation layer: uniformly mixing polyvinyl butyral, waterborne polyurethane, polyethylene oxide, a leveling agent, polydimethylsiloxane, a plasticizer, an antioxidant 1010, molecular sieve micro powder and polyester fiber sound-absorbing cotton, then carrying out blade coating on the solution by using a wet coater, drying and carrying out constant weight to obtain a sound-insulating layer; (2) laminating the glass substrate, the PVB adhesive layer, the sound insulation layer, the PVB adhesive layer and the glass substrate in sequence, carrying out heat preservation and pressure maintaining after hot pressing and exhausting, and cooling and forming to obtain an outer sheet; (3) and (3) overlapping the outer sheet, the hollow layer and the inner sheet in sequence, performing air suction and sealing in a vacuum coating chamber, and curing to obtain a finished product.
In the step (2), the hot-pressing exhaust is specifically as follows: putting the outer sheet into a rubber-sandwiched rolling furnace, wherein the temperature range of a rolling region is set to be 150-240 ℃; the moving speed of the outer sheet is set to be 1.8m/min-3.5m/min, the outer sheet is moved out within a preset time threshold range, and the tapping temperature is controlled to be 55-70 ℃.
Wherein the laminating roller furnace comprises a first roller press area, a second roller press area and a third roller press area; the temperature of the first roll nip is 150-180 ℃, the temperature of the second roll nip is 180-220 ℃, and the temperature of the third roll nip is 200-240 ℃.
In the step (2), the parameters of heat preservation and pressure maintaining are as follows: the heat preservation temperature is set to be 110-130 ℃, the pressure maintaining pressure is set to be 1.0-1.3MPa, and the heat preservation and pressure maintaining time is 40-50 min.
The preparation method is simple and convenient to operate and high in production efficiency, bubbles or deformation is not easy to generate in the glass pressing process, and the prepared laminated hollow glass is good in adhesion.
TABLE 1
Figure RE-GDA0002664033010000061
Figure RE-GDA0002664033010000071
The method for preparing the laminated hollow glass of the embodiments 1 to 4 comprises the following steps: (1) preparing a sound insulation layer: uniformly mixing polyvinyl butyral, waterborne polyurethane, polyethylene oxide, a leveling agent, polydimethylsiloxane, a plasticizer, an antioxidant 1010, molecular sieve micro powder and polyester fiber sound-absorbing cotton, then carrying out blade coating on the solution by using a wet coater, drying and carrying out constant weight to obtain a sound-insulating layer; (2) laminating the glass substrate, the PVB adhesive layer, the sound insulation layer, the PVB adhesive layer and the glass substrate in sequence, carrying out heat preservation and pressure maintaining after hot pressing and exhausting, and cooling and forming to obtain an outer sheet; (3) and (3) overlapping the outer sheet, the hollow layer and the inner sheet in sequence, performing air suction and sealing in a vacuum coating chamber, and curing to obtain a finished product.
In the step (2), the hot-pressing exhaust is specifically as follows: putting the outer sheet into a rubber-sandwiched rolling furnace, wherein the temperature range of a rolling region is set to be 150-240 ℃; the moving speed of the outer sheet is set to be 2.4m/min, the outer sheet is moved out within a preset time threshold range, and the tapping temperature is controlled to be 60 ℃.
Wherein the laminating roller furnace comprises a first roller press area, a second roller press area and a third roller press area; the temperature of the first roll nip is 160 ℃, the temperature of the second roll nip is 210 ℃, and the temperature of the third roll nip is 230 ℃.
In the step (2), the parameters of heat preservation and pressure maintaining are as follows: the heat preservation temperature is set to be 120 ℃, the pressure maintaining pressure is set to be 1.1MPa, and the heat preservation and pressure maintaining time is 50 min.
Comparative example 1
A kind of commercially available doubling hollow glass.
Examples 1 to 4 in table 1 are all examples of the present invention, comparative example 1 is a currently commercially available product and is a comparative example of the present invention, and the sound insulation properties of the laminated hollow glass prepared in examples 1 to 4 and comparative example 1 were measured, respectively, and the test results are shown in table 2 below.
TABLE 2
Item Example 1 Example 2 Example 3 Example 4 Comparative example 1
Sound insulation quantity (dB) 51 57 54 49 37
Referring to table 2, from the analysis of the test data of examples 1-4 and comparative example 1, it can be seen that the technical effect of example 4 in terms of sound insulation performance is the worst of the 4 groups of examples. However, by comparing the test data of example 4 with that of comparative example 1, it can be seen that the solution of example 4 is significantly better than that of comparative example 1 in terms of sound insulation performance. Therefore, it can be confirmed that the technical effect of the present invention is significantly better than that of comparative example 1, and the technical effect of the preferred embodiment of the present invention is better. The laminated hollow glass prepared by the technical scheme of the invention has excellent sound insulation performance and can effectively solve the technical problems in the prior art.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (9)

1. The laminated hollow glass comprises an outer sheet, a hollow layer and an inner sheet which are sequentially bonded, and is characterized in that the outer sheet comprises a glass substrate, a PVB adhesive layer, a sound insulation layer, a PVB adhesive layer and a glass substrate which are sequentially bonded; the sound insulation layer comprises the following raw materials in parts by mass: 15-25 parts of polyvinyl butyral, 50-80 parts of waterborne polyurethane, 50-75 parts of polyoxyethylene, 0.5-1.5 parts of a flatting agent, 0.6-1.2 parts of polydimethylsiloxane, 15-30 parts of a plasticizer, 10101-3 parts of an antioxidant, 5-8 parts of molecular sieve micro powder and 3-6 parts of polyester fiber sound-absorbing cotton.
2. The laminated hollow glass according to claim 1, wherein the sound insulation layer comprises the following raw materials in parts by mass: 18-22 parts of polyvinyl butyral, 70-80 parts of waterborne polyurethane, 58-68 parts of polyethylene oxide, 0.8-1.2 parts of a leveling agent, 0.8-1.0 part of polydimethylsiloxane, 20-25 parts of a plasticizer, 10102.5-3 parts of an antioxidant, 6-7 parts of molecular sieve micro powder and 4-5 parts of polyester fiber sound-absorbing cotton.
3. The laminated hollow glass according to claim 1, wherein the leveling agent is polydimethylsiloxane or polymethylphenylsiloxane.
4. The laminated hollow glass according to claim 1, wherein the plasticizer is one or a combination of more than one of dioctyl phthalate, dibutyl phthalate, triethylene glycol diisocaprylate, triethylene glycol diheptanoate and dibutyl sebacate.
5. The laminated insulated glass according to claim 1, wherein the glass substrate is a semi-tempered glass; the inner sheet is made of toughened glass.
6. The method for preparing laminated hollow glass according to any one of claims 1 to 5, comprising the steps of: (1) preparing a sound insulation layer: uniformly mixing polyvinyl butyral, waterborne polyurethane, polyethylene oxide, a leveling agent, polydimethylsiloxane, a plasticizer, an antioxidant 1010, molecular sieve micro powder and polyester fiber sound-absorbing cotton, then carrying out blade coating on the solution by using a wet coater, drying and carrying out constant weight to obtain a sound-insulating layer; (2) laminating the glass substrate, the PVB adhesive layer, the sound insulation layer, the PVB adhesive layer and the glass substrate in sequence, carrying out heat preservation and pressure maintaining after hot pressing and exhausting, and cooling and forming to obtain an outer sheet; (3) and (3) overlapping the outer sheet, the hollow layer and the inner sheet in sequence, performing air suction and sealing in a vacuum coating chamber, and curing to obtain a finished product.
7. The method according to claim 6, wherein in the step (2), the hot-pressing exhaust is specifically as follows: putting the outer sheet into a rubber-sandwiched rolling furnace, wherein the temperature range of a rolling region is set to be 150-240 ℃; the moving speed of the outer sheet is set to be 1.8m/min-3.5m/min, the outer sheet is moved out within a preset time threshold range, and the tapping temperature is controlled to be 55-70 ℃.
8. The method of manufacturing according to claim 7, wherein the nip roll furnace comprises a first roll nip, a second roll nip, and a third roll nip; the temperature of the first roll nip is 150-180 ℃, the temperature of the second roll nip is 180-220 ℃, and the temperature of the third roll nip is 200-240 ℃.
9. The preparation method according to claim 6, wherein in the step (2), the parameters of heat preservation and pressure maintaining are as follows: the heat preservation temperature is set to be 110-130 ℃, the pressure maintaining pressure is set to be 1.0-1.3MPa, and the heat preservation and pressure maintaining time is 40-50 min.
CN202010610896.0A 2020-06-29 2020-06-29 Laminated hollow glass and preparation method thereof Pending CN111791555A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090324915A1 (en) * 2007-01-25 2009-12-31 Knauf Insulation Gmbh Binders and materials made therewith
CN102535706A (en) * 2010-12-29 2012-07-04 新奥科技发展有限公司 Hollow laminated glass assembly for photovoltaic curtain wall and manufacturing method thereof
KR20180133970A (en) * 2017-06-07 2018-12-18 (주)대한솔루션 Hood insulation for vehicle
CN109823007A (en) * 2019-03-29 2019-05-31 长春工业大学 A kind of PVB sound insulation doubling glass and preparation method thereof
CN111116059A (en) * 2019-12-30 2020-05-08 福建新天龙玻璃科技有限公司 Laminated hollow glass and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090324915A1 (en) * 2007-01-25 2009-12-31 Knauf Insulation Gmbh Binders and materials made therewith
CN102535706A (en) * 2010-12-29 2012-07-04 新奥科技发展有限公司 Hollow laminated glass assembly for photovoltaic curtain wall and manufacturing method thereof
KR20180133970A (en) * 2017-06-07 2018-12-18 (주)대한솔루션 Hood insulation for vehicle
CN109823007A (en) * 2019-03-29 2019-05-31 长春工业大学 A kind of PVB sound insulation doubling glass and preparation method thereof
CN111116059A (en) * 2019-12-30 2020-05-08 福建新天龙玻璃科技有限公司 Laminated hollow glass and preparation method thereof

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