CN101736875B - Manufacturing method of heat-insulating decorative board - Google Patents

Manufacturing method of heat-insulating decorative board Download PDF

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Publication number
CN101736875B
CN101736875B CN2009102315058A CN200910231505A CN101736875B CN 101736875 B CN101736875 B CN 101736875B CN 2009102315058 A CN2009102315058 A CN 2009102315058A CN 200910231505 A CN200910231505 A CN 200910231505A CN 101736875 B CN101736875 B CN 101736875B
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heat
core plate
decorative board
insulating decorative
insulating
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CN101736875A (en
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翟传伟
李壮贤
苏珍
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Anhui Keruike Thermal Insulation Material Co., Ltd.
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Qingdao Creek New Environmental Materials Co Ltd
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Abstract

The invention provides a novel heat-insulating decorative board which comprises a decorative protection layer and a heat-insulating layer, aiming at the problems of high heat conductivity coefficient and poor environmental protection performance of the heat-insulating decorative board in the prior art. The heat-insulating decorative board is characterized in that the heat-insulating layer comprises a glass fiber core material board; slotted holes are uniformly distributed on the upper surface and the lower surface of the core material board; getters are placed in the slotted holes; and a gas blocking film is coated at the periphery of the core material board. In addition, the invention also provides a manufacturing method of the heat-insulating decorative board. The heat-insulating capacity of the heat-insulating decorative board of the invention is obviously better than that of the traditional heat-insulating material; the heat conductivity coefficient of the heat-insulating decorative board is only 0.002-0.004W/(m*K), and the thickness is only 10-30mm; the quality of the heat-insulating decorative board is light and is 50% of the quality of the conventional heat-insulating board; and the security of the heat-insulating decorative board is higher than that of the traditional heat-insulating system for external walls.

Description

The insulation and decoration board manufacturing method
Technical field
The present invention relates to a kind of external wall energy-saving insulation and decoration integrated plate for building and preparation method thereof.
Background technology
Along with the reinforcement of scientific and technological progress, economic development and whole society's environmental protection and energy saving consciousness, people more and more pay attention to the skin insulation.Adopt the External Thermal Insulation Technology for External measure to realize the skin insulation, can make building room temperature and humidity comparatively stable, the human comfort height, and can protect wall body structure, so External Walls Heating Insulation becomes the developing direction of skin insulation gradually.When paying attention to the skin insulation, people pay attention to the decorative effect of skin too.
The at present common external wall outer insulation decorative panel that is used for the skin insulation and decorates comprises decoration panel and warming plate, and decoration panel and adhering heat insulating plate are together.Generally with polymer cement mortar or other binding material, the external wall outer insulation decorative panel is sticked on the skin during construction, can be divided into substantially according to the mode that adopts is different: the polyphenyl plate thin plastering exterior wall heat-insulation system; The glue powder polyphenyl granule exterior wall heat preserving system; EPS plate cast-in-place concrete exterior wall heat-preserving system; Mechanical fixation EPS expanded sheet metal external thermal insulation system etc., these heat-insulation systems in various degree have a following limitation:
1, system's link is many, poor reliability: each system adopts the material of multiple attribute, as each material antiseptic, the widely different materials of coefficient of thermal expansion such as adhesive mortar, polystyrene foam plate, metal anchorage, gauze wire cloth, grid cloth, make it be easy to produce internal stress, and the reliability of reduction whole system, system's operation is many on the other hand, and the deficiency of each procedure all may cause great quality consequence; 2, system is when finishing the building heat preservation functional requirement, fail to satisfy other performance demands: as exterior insulation system for polyphenyl plate thin plastering exterior wall, the problem that can not thoroughly solve cracking, seep water even come off, and it is not high with the caking property of basic unit, intensity is low, shortcomings such as insulation layer and topping are separated, moreover existing heat-insulation system is pasted ceramic tile, stone material outward, the safety deficiency; 3, system can not recycling, easily produces building waste.
Based on the shortcomings and deficiencies that above-mentioned exterior wall heat-preserving system exists, propose that a kind of coefficient of thermal conductivity is low, the heat insulating decorative board of good environmental protection becomes the problem that the present invention faces.
Summary of the invention
The present invention is directed to the problem of prior art heat insulating decorative board coefficient of thermal conductivity height, environmental-protecting performance difference, a kind of new-type heat insulating decorative board is provided, the present invention also proposes a kind of preparation method of heat insulating decorative board in addition.
For solving the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A kind of heat insulating decorative board; comprise and decorate topping and insulation layer, it is characterized in that: described insulation layer comprises glass fiber core plate, and described core plate upper and lower surface is equipped with equally distributed slotted eye; in this slotted eye, be placed with getter, described core plate periphery bag choke film.
Further, the present invention also has following technical characterictic: described getter is an alloy degasser, and described choke film is made of aluminium foil, polyimide film, polyethylene film, polyester film, poly tetrafluoroethylene and hot-melt binding layer and each interlayer bonds by cementing agent.
The present invention proposes a kind of preparation method of heat insulating decorative board in addition, comprises the steps:
A, staple glass fibre core plate is cut into the square sheet material of preliminary dimension, the core plate after the cutting is carried out the preheating dehumidifying;
B, the core plate is placed vacuum exhaust chamber exhaust 10-30min, described vacuum degree in vacuum chamber is 0.08-0.12Pa.
C, the slotted eye of placing getter is offered on the surface of every block of core plate, and put into getter; Again above-mentioned core is packed in the choke bag, and put the vacuum chamber exhaust into, when vacuum reaches 2.0 * 10 -3-2.0 * 10 -2During Pa, to being enclosed with the choke bag heat sealing of core plate;
D, the choke film is coated the core plate by hot-melt binding sealing;
E, core plate one side is applied thermal insulation mortar, and this face is made hair side;
F, the core plate that coats is put into drying unit, take out after solidifying dry 0.5-2h;
G, the core plate that drying is good take out, and apply organic silicon bonding at opposite side, and add a cover guard shield, impose 0.1-0.8MPa pressure on guard shield, allow itself and evacuated panel be bonded to an integral body by adhesive;
H, the evacuated panel that will add a cover the overprotection plate are put into circulating air high temperature drying equipment, solidify dryly, and adhesive cures back is fully taken out;
I, on guard shield, apply decorative layer again;
J, put into the backflow drying unit, solidify dryly, solidify, promptly obtain finished product up to each liquid level.
Further, the present invention also has following technical characterictic: described glass fiber diameter is 3-5 μ m.
Further, the present invention also has following technical characterictic: preheat temperature is 180-240 ℃ in the described A step, and be 24h preheating time.
Further, the present invention also has following technical characterictic: slotted eye is opened in described core minor face edge in the described C step.
Further, the present invention also has following technical characterictic: hair side is formed by the groove of some 1-2mm in the described E step.
What adopt because of the present invention is the vacuum insulation principle, compared with prior art, heat insulating decorative board of the present invention, on the one hand, the thermal insulation ability obviously is better than traditional heat preserving and insulating material, and its coefficient of thermal conductivity only is 0.002-0.004W/ (mK); On the other hand, thickness only is 10-30mm, and light weight is lighter by 50% than traditional warming plate, and safe in traditional exterior wall heat-preserving system; The water-proofing anticracking performance is higher than traditional exterior wall heat-preserving system on the one hand again, and the construction maintenance cost lowers.The present invention carries out mechanical integrated production, can not produce building waste; Have safety, rapid constructing method independently; Recyclable utilization again.
Description of drawings
Fig. 1 is a heat insulating decorative board longitudinal sectional view of the present invention.
The specific embodiment
The present invention is further detailed explanation below in conjunction with accompanying drawing.
New type superthin adiabatic heat-insulation decorative panel of the present invention is made of two parts, and is as shown in Figure 1, outer for decorating topping 2; Internal layer is a vacuum heat-insulating layer 1.The structure of internal layer vacuum heat-insulating layer 1 of the present invention is: the upper and lower surface at super-fine glass fiber board material 1-1 is equipped with equally distributed slotted eye 1-2; in slotted eye 1-2, put into getter; wrap up in layer in core peripheral hardware core envelope; the core envelope is wrapped up in a layer outsourcing vapour barrier 1-3; vapour barrier 1-3 outside is a topping; topping is outward decorative layer 2-2, and getter is remaining gas and the external penetration gas in the plate after in order to exhaust in the adsorption plate, the vacuum in the holding plate.
Core envelope is wrapped up in layer and is fine and closely woven fleece, is used for guaranteeing the physical stability of core material in process of manufacture, guarantees that surrounding enviroment avoid polluting vacuumizing with the core seal process.
Vapour barrier adopts gas-barrier films to seal core, makes it vacuumize the back and forms the vacuum space, and safeguard that it keeps required vacuum in the long as far as possible time.The polymer multi-layer composite membrane that contains golden aluminum layer.Trapping film tenor is high more, and tightness is good more, and the vacuum layer ager process is slow more, but the content height can cause significantly heat bridge edge effect.The choke film is the composite membrane that is composited by aluminium foil, polyimide film, polyethylene film, polyester film (PET), poly tetrafluoroethylene, polyvinyl alcohol film etc., and the thickness of every kind of diaphragm seal is all at 10-100 μ m.
Super-fine glass fiber board material thickness is 10mm, and fibrous plate is the top layer distributed getter up and down, and getter is barium-lithium getter.The proportion of composite fibre sheet material and getter is 100: 1-25.
The preparation method of heat insulating decorative board of the present invention, its concrete steps are:
A, staple glass fibre sheet material is cut to some square sheet materials by the 60cm*40cm specification;
B, the sheet material that sanction is cut are put into high temperature drying equipment, the preheating dehumidifying, and preheat temperature is about 200 ℃, be 24h drying time;
C, the sheet material that drying is crossed are put into the vacuum exhaust chamber and are carried out preliminary treatment, and vacuum degree in vacuum chamber is controlled at 0.01pa, and pretreatment time is 10-30min;
D, the slotted eye of placing getter is offered on the surface of every block of core plate, and put into getter; Again above-mentioned core is packed in the choke bag, and put the vacuum chamber exhaust into, when vacuum reaches 2.0 * 10 -3-2.0 * 10 -2During Pa; Start the automatic edge sealing device in the vacuum chamber, to being enclosed with the choke bag heat sealing of core plate.
F, core plate one side is applied thermal insulation mortar 1-4, thermal insulation mortar thickness is 3-4mm and this face is made hair side;
G, the core plate that coats is put into circulating air high temperature drying equipment, solidify dry 0.5-2h, wait the skin back of hardening fully to take out;
H, the core plate that drying is good take out, and apply organic silicon bonding 3 at opposite side, and add a cover guard shield, and present embodiment adopts calcium silicate board with microporous 2-1, imposes 0.1-0.8MPa pressure on calcium silicate board with microporous 2-1, allows itself and evacuated panel be bonded to an integral body by adhesive;
I, the evacuated panel that will add a cover the overprotection plate are put into circulating air high temperature drying equipment, solidify dryly, and adhesive cures back is fully taken out;
J, on guard shield, apply decorative layer again;
K, put into the backflow drying unit, solidify dryly, solidify, promptly obtain finished product up to each liquid level.
As glass fiber, preferred fiber diameter is 3-5 μ m in steps A.With regard to glass fiber material, fiber diameter is very big to the influence of coefficient of thermal conductivity characteristic and cost, glass fiber average diameter with low cost surpasses the glass wool of 5 μ m, arranging the contact that makes fiber owing to fiber on same direction causes thermal contact resistance to diminish for approximate contact earlier, therefore, coefficient of thermal conductivity reaches in time and all deteriorations significantly of the performance of deterioration.On the other hand, if fiber diameter is less than 2 μ m, though the contact of fiber reduces and thermal contact resistance is increased, heat-insulating property descends but owing to each thinner thickness of opening, therefore, must reduce coefficient of thermal conductivity and in time and deterioration to obtain thickness by overlapping laminal inorfil collective.
Like this, can increase, therefore, select on the heat conduction direction discontinuous and can effectively utilize the fiber of the thermal contact resistance between raw material if fiber diameter surpasses the coefficient of thermal conductivity of 5 μ m.Thermal resistance value is big and in the multiple fibrous material that coefficient of thermal conductivity is low selected fiber diameter at the staple glass fibre of 3-5 μ m.
Slotted eye is preferably opened the minor face edge at every block of core plate in step D.
The standard of matsurface is in step F, and but the surface has greater than 1mm less than the cup depth of 2mm.
Getter uses alloy degasser, and choke membrane material 1-3 uses aluminium foil, polyimide film, polyethylene film, polyester film (PET), poly tetrafluoroethylene and hot-melt binding layer to constitute and each interlayer is the stacked film that cementing agent has carried out bonding by two-package curing type polyurethane.
The stepped construction of outsourcing material is, is followed successively by from skin: aluminium foil (10-20 μ m), PA membrane (10-15 μ m), poly terephthalic acid one diol ester film (10-12 μ m), ethylene-vinyl alcohol copolymer resin molding (10-12 μ m), density polyethylene film with high (10-12 μ m).
As above the production order of the vacuum heat-insulating layer of Gou Chenging is: core 1-1 is contained in the clad material, by using the top-down pressurization of finishing die to make its moulding, the whole peristome of lapping and periphery under this state, sealing and core 1-1 is remained required three-dimensional shape by hot-melt binding.Offer a plurality of slotted eye 1-2 in two sides up and down at core 1-1, and put into getter.Then, core is coated with choke film 1-3 material, and it is carried out vacuum suction and after making the inner pressure relief of choke membrane material 1-3 in vacuum chamber,, thereby obtain as shown in Figure 1 vacuum heat-insulating plate the sealing of choke film 1-3 material use hot-melt binding.
The coefficient of thermal conductivity of the vacuum heat insulation materials that obtains like this is 0.003W/ (mK), it is placed in 70 ℃ of high temperature grooves measured coefficient of thermal conductivity after 45 days, and its result is 0.004W/ (mK).
The above only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of technical solution of the present invention according to technical spirit of the present invention.

Claims (6)

1. method of making heat insulating decorative board; described heat insulating decorative board comprises decorates topping and insulation layer; described insulation layer comprises glass fiber core plate; described glass fiber core plate upper and lower surface is equipped with equally distributed slotted eye; in this slotted eye, be placed with getter; described core plate periphery bag choke film is characterized in that comprising the steps:
A, glass fiber core plate is cut into some square sheet materials, the core plate after the cutting is carried out the preheating dehumidifying, preheat temperature is 180-240 ℃, and be 20-28h preheating time;
B, the core plate is placed vacuum exhaust chamber exhaust 10-30min, described vacuum exhaust chamber vacuum is 0.08-0.12Pa;
C, the slotted eye of placing getter is offered on the surface of every block of core plate, and put into getter; Again above-mentioned core plate is packed in the choke bag, and put the vacuum chamber exhaust into, when vacuum reaches 2.0 * 10 -3-2.0 * 10 -2During Pa, to being enclosed with the choke bag heat sealing of core plate;
D, the choke film is coated the core plate by hot-melt binding sealing;
E, core plate one side is applied thermal insulation mortar, and this face is made hair side;
F, the core plate that coats is put into drying unit, take out after solidifying dry 0.5-2h;
G, the core plate that drying is good take out, and apply organic silicon bonding at opposite side, and add a cover guard shield, impose 0.1-0.8MPa pressure on guard shield, allow itself and evacuated panel be bonded to an integral body by adhesive;
H, the evacuated panel that will add a cover the overprotection plate are put into circulating air high temperature drying equipment, solidify dryly, and adhesive cures back is fully taken out;
I, on guard shield, apply decorative layer again;
J, put into the backflow drying unit, solidify dryly, solidify, promptly obtain finished product up to each liquid level.
2. according to the method for the described making heat insulating decorative board of claim 1, it is characterized in that: the glass fiber diameter in the described glass fiber core plate is 3-5 μ m.
3. according to the method for the described making heat insulating decorative board of claim 1, it is characterized in that: preheat temperature is 180-240 ℃ in the described A step, and be 24h preheating time.
4. according to the method for the described making heat insulating decorative board of claim 1, it is characterized in that: slotted eye is opened in described core plate minor face edge in the described C step.
5. according to the method for the described making heat insulating decorative board of claim 1, it is characterized in that: hair side is formed by the groove of some 1-2mm in the described E step.
6. according to the method for the described making heat insulating decorative board of claim 1, it is characterized in that: described getter is an alloy degasser, and described choke film is made of aluminium foil, polyimide film, polyethylene film, polyester film, poly tetrafluoroethylene and hot-melt binding layer and each interlayer bonds by cementing agent.
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Families Citing this family (9)

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Publication number Priority date Publication date Assignee Title
CN102409769B (en) * 2011-07-18 2014-05-21 刘卫东 Packaging bag of fireproof vacuum insulating board
CN102433940B (en) * 2011-08-31 2013-09-25 青岛科瑞新型环保材料有限公司 High-efficiency, energy-saving and fireproofing heat insulation board of outer wall and preparation method thereof
CN102587518B (en) * 2012-02-29 2014-08-06 青岛科瑞新型环保材料有限公司 Special vacuum insulation plate for corner of building wall and manufacturing method thereof
CN102635170A (en) * 2012-05-05 2012-08-15 陈宏宇 Integral-type vacuum heat insulation and temperature preservation plate
CN102795879B (en) * 2012-08-16 2013-09-18 青岛科瑞新型环保材料有限公司 Decorated integrated vacuum insulation plate and its processing method
CN102912867B (en) * 2012-09-13 2015-02-18 安徽百特新材料科技有限公司 Thermal-insulation board as well as production technique and installation technique for thermal-insulation board
CN108590019A (en) * 2018-04-20 2018-09-28 宿迁南航新材料与装备制造研究院有限公司 A kind of powder core material compound hollow brick of adiabatic heat-insulation
CN112208192A (en) * 2020-09-25 2021-01-12 合肥神舟建筑集团有限公司 Processing technology of insulation board
CN112726989A (en) * 2020-12-18 2021-04-30 江苏山由帝奥节能新材股份有限公司 Light heat-insulation and decoration integrated board

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