CN111720016A - Passive door and window heat insulator and preparation method thereof - Google Patents
Passive door and window heat insulator and preparation method thereof Download PDFInfo
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- CN111720016A CN111720016A CN202010595712.8A CN202010595712A CN111720016A CN 111720016 A CN111720016 A CN 111720016A CN 202010595712 A CN202010595712 A CN 202010595712A CN 111720016 A CN111720016 A CN 111720016A
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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
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
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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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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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
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
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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
- E06B3/70—Door leaves
- E06B3/7015—Door leaves characterised by the filling between two external panels
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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
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/20—Doors, windows, or like closures for special purposes; Border constructions therefor for insulation against noise
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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
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
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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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0261—Polyamide fibres
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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
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0278—Polyurethane
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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
- E06B3/70—Door leaves
- E06B3/7015—Door leaves characterised by the filling between two external panels
- E06B2003/7023—Door leaves characterised by the filling between two external panels of foam type
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a passive door and window heat insulator and a preparation method thereof, wherein the passive door and window heat insulator comprises an inner layer material positioned in the middle and outer layer materials distributed on two sides of the inner layer material, the outer layer materials are occluded with aluminum alloy profiles on the inner side and the outer side of a passive door and window, the outer layer materials are reinforced nylon layers, the inner layer materials and the outer layer materials are compounded into a whole, and the inner layer materials are polyurethaneA rigid foam layer, the polyurethane rigid foam layer comprising the components: a material:
b, material B: isocyanate reaction; 100 percent. The invention has the advantages of simple assembly process, and excellent sealing property, heat insulation property and noise reduction performance.
Description
Technical Field
The invention relates to the technical field of passive doors and windows, in particular to a passive door and window heat insulator and a preparation method thereof.
Background
The passive house, namely the passive ultra-low energy consumption building, is characterized in that the building envelope structure is optimized by adopting an advanced energy-saving design concept and a construction technology, the heat preservation, heat insulation and air tightness of the building are greatly improved, and the heat (cold) in the indoor waste gas is recycled by a high-efficiency heat (cold) recycling device of a fresh air system, so that the heating and refrigerating requirements of the building are obviously reduced. The performance of the passive door and window directly affects the quality of the passive house, so the passive house has very strict requirements on the structure and performance of the door and window, and the passive door and window needs to have good heat insulation performance, sealing performance, noise reduction performance, environmental protection performance and the like.
However, the bridge-cut-off aluminum alloy doors and windows in the existing market are difficult to meet the high performance requirement of passive doors and windows due to the high heat conductivity coefficient of aluminum alloy. In order to solve the above technical problems, a person skilled in the art will add a heat insulating strip or fill a heat and sound insulating material (including a soft foam) in a bridge-cut aluminum alloy door/window, so as to improve the heat insulating performance, sealing performance and noise reduction performance of the existing passive door/window; although the heat and sound insulation effect can be achieved by filling the heat and sound insulation material in the bridge-cut-off aluminum alloy door and window, the process is troublesome and the cost is high; although the heat insulation strips do not have the problems of complex process and high cost, the heat insulation strips are used for connecting the bridge-cut-off aluminum alloy doors and windows to form a cavity, and the sound insulation effect and the sealing performance are poor; moreover, the sound and heat insulation and sealing effects by the heat insulating strips and the heat insulating materials are also general, and there is a large space for improving the lifting.
Disclosure of Invention
The invention aims to solve the problems and designs a passive door and window heat insulator and a preparation method thereof.
The technical scheme of the invention is that the passive door and window heat insulator comprises an inner layer material positioned in the middle and outer layer materials distributed on two sides of the inner layer material, wherein the outer layer material is occluded with aluminum alloy profiles on the inner side and the outer side of the passive door and window, the outer layer material is a reinforced nylon layer, and the inner layer material and the outer layer material are compounded into a whole, and the passive door and window heat insulator is characterized in that,
the inner layer material is a polyurethane rigid foam layer, and the polyurethane rigid foam layer comprises the following components:
a material:
b, material B:
isocyanate reaction; 100 percent;
the preparation process of the polyurethane rigid foam layer comprises the following steps:
closing discharge valves of a charging barrel A and a charging barrel B, wherein the material A consists of polyether polyol, reaction type flame retardant polyether, reaction type flame retardant, organic silicon, catalyst and water, and the material B is isocyanate;
charging: respectively adding the material A and the material B into a material barrel A and a material barrel B;
thirdly, air charging: adjusting the air pressure of the cylinder A and the cylinder B to be between 0.2 and 0.4 MP;
fourthly, opening the air exhaust switches of the material barrel A and the material barrel B to exhaust air;
adjusting pouring parameters of the material pump A, and testing the discharging quality per second: setting SV value as 12; PV value 12.7; pouring frequency is 38 Hz; adjusting pouring parameters of a material pump B, and testing the discharge quality per second: setting SV value as 11; PV value 11.7; the pouring frequency is 35.4 Hz;
sixthly, adjusting the pouring frequency of the pump A and the pump B to ensure that the A, B material pouring quality is equal;
and seventhly, pouring: and simultaneously starting the pump A and the pump B, and controlling the pouring time according to the test parameters.
The polyurethane rigid foam layer has a combustion grade B2 and a heat conductivity coefficient of 0.051W/m2k。
The polyurethane rigid foam layer had a density of 400kg/m3, a closed cell content of 98%, a compressive strength of 0.62Kpa, a skin hardness of shore D55, a dimensional stability of 0%, -30 ℃ 24Hr, 0.1%, 70 ℃ 24 Hr.
The catalyst is N, N-dimethylcyclohexylamine, and the foaming agent is water.
The outer layer material is reinforced PA66 compounded by taking nylon 66 as a base material and adding 25 +/-2.5% of glass fiber.
The heat-insulating property of the reinforced nylon layer is 0.3w/mk2。
Outer material and inlayer material form through hot pressing complex through setting up the composite construction on corresponding the face, composite construction includes a plurality of T type composite edge that set up on the one side that outer material corresponds the inlayer material and the T type groove that corresponds the compound limit of T type and set up on the corresponding face of inlayer material utilizes the cooperation in T type composite edge and T type groove and realizes the complex of outer material and outer material through the hot pressing, wherein, T type composite edge comprises first vertical limit and the horizontal limit that sets up on first vertical limit top, and wherein, horizontal limit width is greater than first vertical limit height, and the compound limit rule of T type on the outer material of same side is the same and evenly distributed, and the distance between the compound limit of two adjacent T types equals the twice of this specification T type composite edge rule people's horizontal limit width.
The engagement structure comprises a T-shaped press edge arranged on one surface of an outer layer material corresponding to the aluminum alloy sections on the inner side and the outer side of the passive door window, and the aluminum alloy sections on the inner side and the outer side of the passive door window are respectively in press fit with the corresponding T-shaped press edge to realize connection with the passive door window heat insulator; the T-shaped press-fit side is composed of a second vertical side and a triangular edge arranged at the top end of the second vertical side, and a support side used for being matched with the T-shaped press-fit side to fix the inner side profile and the outer side profile of the aluminum alloy door and window frame is arranged on one surface, corresponding to the inner side profile and the outer side profile of the aluminum alloy door and window frame, of the outer layer material.
And performing rough surface treatment on the corresponding surfaces of the inner layer material and the outer layer material, wherein the rough surface treatment process of the corresponding positions of the inner layer material and the outer layer material is the same.
And the outer layer material is provided with an occlusion structure on one surface corresponding to the aluminum alloy door and window frame, and aluminum alloy sections on the inner side and the outer side of the passive door and window are connected with the passive door and window heat insulator through the occlusion structure.
Advantageous effects
The passive door and window heat insulator manufactured by the technical scheme of the invention and the preparation method thereof have the following advantages:
1. the application passive door and window insulator do not have the cavity, can effectual promotion passive door and window's sealing performance, still have excellent thermal-insulated and the attribute of making an uproar of falling simultaneously, promote passive door and window's heat-proof quality, fall the performance of making an uproar by a wide margin.
2. The application passive door and window insulator adopt stereoplasm foaming technology to make, can the usefulness of direct mount, need not to adopt modes such as spraying to fill in process of production, simplified production technology, promoted passive door and window's support intensity simultaneously.
Drawings
Fig. 1 is a sectional view of an explosive structure of a passive door window in an embodiment of the invention.
FIG. 2 is a cross-sectional view of an aluminum alloy profile for connecting the passive door and window insulation to the inside and outside of the passive door and window in an embodiment of the present invention.
Detailed Description
Example 1
The invention is described in detail below with reference to the accompanying drawings, and as shown in fig. 1-2, the invention of the present application is characterized in that the inner layer material is a rigid polyurethane foam layer, and the rigid polyurethane foam layer comprises the following components:
a material:
b, material B:
isocyanate reaction; 100 percent;
the preparation process of the polyurethane rigid foam layer comprises the following steps:
closing discharge valves of a charging barrel A and a charging barrel B, wherein the material A consists of polyether polyol, reaction type flame retardant polyether, reaction type flame retardant, organic silicon, catalyst and water, and the material B is isocyanate;
charging: respectively adding the material A and the material B into a material barrel A and a material barrel B;
thirdly, air charging: adjusting the air pressure of the cylinder A and the cylinder B to be between 0.2 and 0.4 MP;
fourthly, opening the air exhaust switches of the material barrel A and the material barrel B to exhaust air;
adjusting pouring parameters of the material pump A, and testing the discharging quality per second: setting SV value as 12; PV value 12.7; pouring frequency is 38 Hz; adjusting pouring parameters of a material pump B, and testing the discharge quality per second: setting SV value as 11; PV value 11.7; the pouring frequency is 35.4 Hz;
sixthly, adjusting the pouring frequency of the pump A and the pump B to ensure that the A, B material pouring quality is equal;
and seventhly, pouring: and simultaneously starting the pump A and the pump B, and controlling the pouring time according to the test parameters.
The polyurethane rigid foam layer has a combustion grade B2 and a heat conductivity coefficient of 0.051W/m2k。
The polyurethane rigid foam layer had a density of 400kg/m3, a closed cell content of 98%, a compressive strength of 0.62Kpa, a skin hardness of shore D55, a dimensional stability of 0%, -30 ℃ 24Hr, 0.1%, 70 ℃ 24 Hr.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In this technical scheme, passive door and window insulator sets up between passive door and window outside aluminum alloy ex-trusions 300, and wherein, inside aluminum alloy ex-trusions 310 and outside aluminum alloy ex-trusions 320 are the aluminum alloy of 2.0mm wall thickness and make, and the outer veneer of passive door and window outside aluminum alloy ex-trusions carries out powder spraying or fluorocarbon spraying. Specifically, passive door and window insulator comprises inlayer material 100 that is located the centre and outer material 200 that distributes in inlayer material both sides and passive door and window inside and outside aluminium alloy ex-trusions interlock, and wherein, the inlayer material is polyurethane rigid foam layer, and outer material is reinforcing nylon layer, and inlayer material and outer material complex are as an organic whole, and outer material corresponds and is provided with the interlock structure on the aluminium alloy door and window frame one side, and passive door and window inside and outside aluminium alloy ex-trusions pass through the interlock structure and are connected with passive door and window insulator.
Specifically, the outer layer material is reinforced PA66 compounded by taking nylon 66 as a base material and adding 25 +/-2.5% of glass fiber. The reinforced PA66 has high structural strength, is more firmly connected with aluminum alloy doors and windows, and is more tightly combined with polyurethane rigid foam. The outer layer material is used as a connecting piece to improve the connection strength, the nylon 66 material enables the outer layer material to have excellent heat insulation performance, the heat insulation performance of the reinforced nylon layer is 0.3w/mk2, the outer layer material becomes a first heat insulation barrier of the passive door and window, and meanwhile, the outer layer material also has the advantage that the high-melting-point linear expansion coefficient is very close to that of aluminum alloy when being used as a heat insulation broken bridge, so that the sealing performance of the passive door and window in the environment can be kept unchanged for a long time, the service life is long, the outer layer material is more durable, the reinforced PA66 material also has the advantages of corrosion resistance, ultraviolet resistance and long service life, and therefore, the excellent heat
Specifically, the polyurethane rigid foam layer is formed by reacting polyether polyol, reactive flame retardant polyether, a reactive flame retardant, organic silicon, a catalyst and water serving as a foaming agent with isocyanate through molding and extrusion. The flame retardant property of the polyurethane rigid foam layer does not migrate along with time, the combustion grade of the polyurethane rigid foam layer is B2, harmful gas is not generated at high temperature, and the heat conductivity coefficient is 0.051W/m2k, thereby having excellent heat preservation performance. Typical data for high molecular weight polymers for compression molding into rigid polyurethane foam layers are as follows: appearance: a light yellow transparent liquid without mechanical impurities, a density (25 ℃), 1.07g/ml, a viscosity of 25 ℃, 1500 cp. Foam properties as a function of foam density, typical foam property data are as follows: the density is 400kg/m3, the closed cell rate is 98%, the compression strength is 0.62Kpa, the surface hardness is Shore D55, the dimensional stability is 0%, and the temperature is-30 ℃ and 24Hr, 0.1% and 70 ℃ and 24 Hr.
The data show that the polyurethane rigid foam layer used by the invention has the characteristics of high strength, tear resistance, wear resistance and the like, and meanwhile, the polyurethane rigid foam layer has excellent waterproof and moisture-proof performances and does not contain formaldehyde and heavy metal harmful substances. The polyurethane closed cell structure is stable, has good heat preservation, freeze thawing resistance and sound absorption performance, is acid and alkali resistant and electrochemical corrosion resistant, and has the service life of more than 30 years.
Further, outer material and inlayer material form through hot pressing complex through setting up the composite construction on corresponding the face, composite construction includes a plurality of T type composite edge 230 that set up on the one side that outer material corresponds the inlayer material and the T type groove that corresponds the compound limit of T type and set up on the corresponding face of inlayer material utilizes the cooperation in T type composite edge and T type groove and realizes the complex of outer material and outer material through the hot pressing.
Preferably, the T-shaped composite edges are composed of a first vertical edge and a horizontal edge arranged at the top end of the first vertical edge, wherein the width of the horizontal edge is larger than the height of the first vertical edge, the T-shaped composite edges on the outer layer material on the same side have the same specification and are evenly distributed, and the distance between two adjacent T-shaped composite edges is equal to twice of the width of the horizontal edge of the T-shaped composite edge normal person with the specification.
Specifically, the occlusion structure comprises a T-shaped press-fit edge 210 which is formed on one surface of an outer layer material corresponding to the inner and outer aluminum alloy sections of the passive door window, and the inner and outer aluminum alloy sections of the passive door window are respectively in press fit with the corresponding T-shaped press-fit edge to be connected with the passive door window heat insulator.
Preferably, the T-shaped press-fit edge is composed of a second vertical edge and a triangular edge arranged at the top end of the second vertical edge, and a support edge 220 used for being matched with the T-shaped press-fit edge to fix the aluminum alloy sections on the inner side and the outer side of the passive door window is arranged on one surface of the outer layer material corresponding to the aluminum alloy sections on the inner side and the outer side of the passive door window.
In a specific embodiment, the edge of the outer side surface of the outer layer material is provided with a first adhesive tape notch 240 for laminating a sealing adhesive tape, the side edge of the inner layer material is partially recessed inwards to form a second adhesive tape notch 110 for laminating the sealing adhesive tape, and a T-shaped composite edge is arranged on the inner side surface of the outer layer material corresponding to the groove wall of the first adhesive tape notch.
In another embodiment, a passive door and window hardware installation groove is arranged on the passive door and window heat insulator, the bottom of the installation groove is covered by an outer layer material,
preferably, the corresponding surfaces of the inner layer material and the outer layer material are subjected to rough surface treatment, wherein the rough surface treatment process of the corresponding positions of the inner layer material and the outer layer material is the same.
The invention also provides a preparation method of the passive door and window heat insulator, which comprises the following steps of preparing an inner layer material and an outer layer material respectively, and then compounding the inner layer material and the outer layer material in a hot pressing manner, wherein the inner layer material is prepared by utilizing a polyurethane high-pressure foaming machine, and the preparation method comprises the following steps:
closing a discharge valve of a material A and a material B, wherein the material A consists of polyether polyol, reactive flame retardant polyether, reactive flame retardant, organic silicon, catalyst and water, and the material B is isocyanate;
charging: respectively adding the material A and the material B into a material barrel A and a material barrel B;
thirdly, inflating: the air pressure is between 0.2 and 0.4 MP;
fourthly, opening the air exhaust switches of the material barrel A and the material barrel B to exhaust air;
adjusting pouring parameters of the material pump A, and testing the discharging quality per second: setting SV value as 12; PV value 12.7; pouring frequency is 38 Hz; adjusting pouring parameters of a material pump B, and testing the discharge quality per second: setting SV value as 11; PV value 11.7; the pouring frequency is 35.4 Hz;
sixthly, adjusting the pouring frequency of the pump A and the pump B to ensure that the A, B material pouring quality is equal;
and seventhly, pouring: and starting the pump A and the pump B at the same time, and strictly controlling the pouring time according to the test parameters.
Example 2
The invention of the application is characterized in that the inner layer material is a polyurethane rigid foam layer, and the polyurethane rigid foam layer comprises the following components:
a material:
b, material B:
isocyanate reaction; 100 percent; otherwise the same as in example 1
Example 3
The invention of the application is characterized in that the inner layer material is a polyurethane rigid foam layer, and the polyurethane rigid foam layer comprises the following components:
a material:
b, material B:
isocyanate reaction; 100 percent;
it is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (10)
1. A passive door and window heat insulator and a preparation method thereof, the passive door and window heat insulator comprises an inner layer material positioned in the middle and outer layer materials distributed at two sides of the inner layer material, the outer layer materials are occluded with aluminum alloy section bars at the inner side and the outer side of the passive door and window, the outer layer materials are reinforced nylon layers, and the inner layer materials and the outer layer materials are compounded into a whole, and the passive door and window heat insulator is characterized in that,
the inner layer material is a polyurethane rigid foam layer, and the polyurethane rigid foam layer comprises the following components:
a material:
b, material B:
isocyanate reaction; 100 percent;
the preparation process of the polyurethane rigid foam layer comprises the following steps:
closing discharge valves of a charging barrel A and a charging barrel B, wherein the material A consists of polyether polyol, reaction type flame retardant polyether, reaction type flame retardant, organic silicon, catalyst and water, and the material B is isocyanate;
charging: respectively adding the material A and the material B into a material barrel A and a material barrel B;
thirdly, air charging: adjusting the air pressure of the cylinder A and the cylinder B to be between 0.2 and 0.4 MP;
fourthly, opening the air exhaust switches of the material barrel A and the material barrel B to exhaust air;
adjusting pouring parameters of the material pump A, and testing the discharging quality per second: setting SV value as 12; PV value 12.7; pouring frequency is 38 Hz; adjusting pouring parameters of a material pump B, and testing the discharge quality per second: setting SV value as 11; PV value 11.7; the pouring frequency is 35.4 Hz;
sixthly, adjusting the pouring frequency of the pump A and the pump B to ensure that the A, B material pouring quality is equal;
and seventhly, pouring: and simultaneously starting the pump A and the pump B, and controlling the pouring time according to the test parameters.
2. The passive door and window insulation of claim 1, wherein the polyurethane rigid foam layer has a burning rating of B2 and a thermal conductivity of 0.051W/m2k。
3. The passive door and window insulation of claim 1, wherein the polyurethane rigid foam layer has a density of 400kg/m3, a closed cell ratio of 98%, a compressive strength of 0.62Kpa, a skin hardness of shore D55, a dimensional stability of 0%, -30 ℃ 24Hr, 0.1%, 70 ℃ 24 Hr.
4. The passive door and window insulation of claim 1, wherein the catalyst is N, N-dimethylcyclohexylamine and the blowing agent is water.
5. The passive door and window heat insulator and the manufacturing method thereof as claimed in claim 1, wherein the outer layer material is reinforced PA66 compounded by nylon 66 as a base material and 25 ± 2.5% of glass fiber.
6. The passive door and window insulation of claim 1, wherein the insulation performance of the reinforced nylon layer is 0.3w/mk, and the preparation method thereof2。
7. The passive door and window insulator of claim 1 and the method of making the same, the outer layer material and the inner layer material are formed by hot-pressing and compounding composite structures arranged on the corresponding surfaces, the composite structure comprises a plurality of T-shaped composite edges arranged on one surface of the outer layer material corresponding to the inner layer material and T-shaped grooves arranged on the corresponding surface of the inner layer material corresponding to the T-shaped composite edges, the T-shaped composite edges are matched with the T-shaped grooves, and the outer layer material are compounded through hot pressing, wherein the T-shaped composite edge consists of a first vertical edge and a horizontal edge arranged at the top end of the first vertical edge, the width of the horizontal edge is larger than the height of the first vertical edge, the T-shaped composite edges on the outer layer material on the same side have the same specification and are evenly distributed, and the distance between two adjacent T-shaped composite edges is equal to twice of the width of the horizontal edge of a T-shaped composite edge French person with the specification.
8. The passive door and window heat insulator and the preparation method thereof as claimed in claim 1, wherein the engaging structure comprises a T-shaped press-fit edge arranged on one surface of the outer layer material corresponding to the inner and outer aluminum alloy sections of the passive door and window, and the inner and outer aluminum alloy sections of the passive door and window are respectively press-fit with the corresponding T-shaped press-fit edge to realize the connection with the passive door and window heat insulator; the T-shaped press-fit side is composed of a second vertical side and a triangular edge arranged at the top end of the second vertical side, and a support side used for being matched with the T-shaped press-fit side to fix the inner side profile and the outer side profile of the aluminum alloy door and window frame is arranged on one surface, corresponding to the inner side profile and the outer side profile of the aluminum alloy door and window frame, of the outer layer material.
9. The passive door and window heat insulator and the manufacturing method thereof as claimed in claim 1, wherein the corresponding surfaces of the inner layer material and the outer layer material are subjected to rough surface treatment, wherein the rough surface treatment process of the corresponding positions of the inner layer material and the outer layer material is the same.
10. The passive door and window heat insulator and the preparation method thereof as claimed in claim 1, wherein the outer layer material is provided with an occlusion structure on one surface corresponding to the aluminum alloy door and window frame, and the aluminum alloy sections on the inner side and the outer side of the passive door and window are connected with the passive door and window heat insulator through the occlusion structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010595712.8A CN111720016A (en) | 2020-06-28 | 2020-06-28 | Passive door and window heat insulator and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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Cited By (1)
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Application publication date: 20200929 |