KR20110086250A - High heat resistant flame retardant rigid polyurethane foam complex heat insulator using high solidity nonflammability fiberglass sheet and manufacturing method thereof - Google Patents
High heat resistant flame retardant rigid polyurethane foam complex heat insulator using high solidity nonflammability fiberglass sheet and manufacturing method thereof Download PDFInfo
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- KR20110086250A KR20110086250A KR1020100005874A KR20100005874A KR20110086250A KR 20110086250 A KR20110086250 A KR 20110086250A KR 1020100005874 A KR1020100005874 A KR 1020100005874A KR 20100005874 A KR20100005874 A KR 20100005874A KR 20110086250 A KR20110086250 A KR 20110086250A
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- glass fiber
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- flame retardant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/32—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
- B29C44/326—Joining the preformed parts, e.g. to make flat or profiled sandwich laminates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3442—Mixing, kneading or conveying the foamable material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/007—Resins including glasfibers
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- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to a high heat resistant high flame retardant rigid urethane composite insulating material using a high-strength non-combustible glass fiber sheet, and a method for manufacturing the same, and having a weight of 20-100 g / m 2, a thickness of 0.2-0.8 mm, and a binder-type tissue plasticity Sodium silicate or potassium silicate is used as the base raw material, and it is impregnated with an adhesive flame retardant mixture containing non-mechanical flame retardant, filler and antibacterial agent, dried and then waterproofed or painted or printed as necessary. Non-flammable glass fiber sheet with excellent strength, and high strength non-flammable glass fiber sheet manufactured in the manufacturing facility that produces rigid urethane foam board with excellent thermal insulation in a continuous process. If the material selected from aluminum sheet, kraft paper, and non-woven fabric is continuously put in the upper and lower parts, respectively After foaming the polyurethane solution on a sheet of the way, when the cut after molding and hardening as it passes through the oven the heat resistance and strength and flame retardancy is excellent manufacturing rigid polyurethane foam composite insulating material it is completed. The composite insulation prepared by the present invention has excellent flame retardancy as well as heat resistance of 700 ° C. or more, which is superior to the existing rigid urethane insulation material using the aluminum sheet as the skin material, and can be used for the use of smoke duct, kraft paper, nonwoven fabric, etc. Compared to the hard urethane board made of skin material, the strength and flame retardancy are excellent, and the heat insulating property is superior to the heat insulating materials such as EPS foam, PE foam and glass fiber.
Description
The present invention relates to a high heat resistant high flame retardant rigid urethane composite insulating material using a high-strength non-combustible glass fiber sheet and a method of manufacturing the same, the weight is 20-100g / ㎡, thickness is 0.2-0.8mm and the binder contains a flame retardance The tissue-type glass fiber sheet containing impregnated with sodium silicate or potassium silicate solution alone or mixed base solution with an aqueous-type adhesive flame retardant mixture containing an inorganic flame retardant, an organic inorganic filler and an antimicrobial agent, and dried as needed. When one surface is subjected to waterproofing or painting or printing process, it provides a non-flammable glass fiber sheet with excellent strength and little heat generation and gas generation when heated by fire, etc. When manufacturing rigid urethane foam board in a continuous process, up and down both sides or incombustible glass fiber And foaming the polyurethane mixture to form a polyurethane insulation layer on the lower sheet while putting a material selected from among aluminum sheet, kraft paper, and nonwoven fabric as upper and lower surfaces, respectively, and then molding and curing through an oven. After that, the process of cutting to the required specifications will provide a rigid polyurethane foam composite insulation with excellent heat resistance and flame retardancy.
Ducts currently used in the building's smoke control and air conditioning systems are manufactured by forming galvanized steel sheets into tubular shapes and then wrapping them with insulating materials, such as PE foam or glass fiber, or aluminum sheets on both sides of phenolic foam and rigid urethane foam. Although the duct is manufactured by using the insulating material with the skin material, the duct with the aluminum sheet on the both sides of the phenol foam or the rigid urethane foam is insufficient for the heat resistance of the aluminum sheet and thus cannot be used as the duct for smoke control. It is used only for air-conditioning, and the method of forming a tube with galvanized steel and then wrapping it with a non-machined insulating material is not only poor insulation, durability and corrosion resistance, but also complicated construction and poor appearance.
Therefore, in recent years, as a duct for air conditioning of multi-use public buildings such as malls and residential complexes, the use of aluminum rigid urethane boards, which are easy to construct, excellent in durability, and beautiful in appearance, is increasing, and the evaluation is good and suitable for use for smoke control. Development is required.
In addition, EPS foam is mainly used as a heat insulating material of buildings, and has excellent thermal insulation and price competitiveness. Recently, the use of rigid urethane foam boards is increasing according to the energy-saving reinforcement policy. .
The present invention has been made in order to solve the above problems, an object of the present invention to provide a high-strength non-combustible glass fiber sheet of a non-combustible level, in the production of rigid polyurethane foam board with excellent thermal insulation in-line (In- It is to provide high heat resistant and high flame retardant duct boards used in the building's smoke control system and air conditioning system, and high insulation insulation for building with flame retardant material level.
In order to achieve the above object, the present invention is a water-soluble adhesive flame retardant mixture containing a tissue-type glass fiber sheet having a weight of 20-100g / ㎡, thickness of 0.2-0.8mm, organic-inorganic flame retardant, organic-mechanical filler and antibacterial agent After impregnating and drying, the surface is waterproofed or painted or printed as necessary to provide a non-flammable glass fiber sheet having excellent strength, and in a facility for producing a rigid urethane foam board in a continuous process, the manufacturing of the rigid urethane insulation The non-flammable glass fiber sheet of the upper and lower sides, or one side of the non-flammable glass fiber sheet, the other side is selected from aluminum sheet, kraft paper or non-woven fabric while foaming the polyurethane liquid on the sheet of the lower surface, and then double forming press in the oven Hard urethane foam composite stage with excellent heat resistance, strength and flame resistance by forming and curing while passing through the conveyor belt And to provide the material.
The non-flammable glass fiber sheet according to the present invention has excellent strength and heat resistance, hardly generates calorific value and no harmful gas upon heating, and the hard urethane composite insulating material having the non-flammable glass fiber sheet attached to both sides or one side thereof has flame resistance as well as heat resistance. It is superior to the urethane aluminum duct that uses aluminum as the skin material above ℃, which makes it suitable for general air-conditioning as well as for smoke removal ducts.A non-combustible glass fiber sheet is attached to both sides or one side of the rigid urethane insulation material. Compared to EPS foam, PE foam and glass fiber insulation, it has excellent flame retardancy and heat insulation, less harmful gas during combustion, and excellent strength, so it can be used as a building insulation.
1 is a block diagram showing a manufacturing process of a high-strength non-combustible glass fiber sheet used as a material of the heat insulating material according to the present invention,
2 is a cross-sectional view of a rigid urethane composite insulating material according to an embodiment of the present invention,
3 is a cross-sectional view of a rigid urethane composite insulating material according to another embodiment of the present invention,
4 is a cross-sectional view showing a method for manufacturing a rigid urethane composite insulation.
Hereinafter, with reference to the accompanying drawings, preferred embodiments that do not limit the present invention will be described in detail.
1 is a block diagram showing a process for producing a high strength non-combustible glass fiber sheet used in the heat insulating material of the present invention.
As shown in FIG. 1, the high-strength non-combustible glass fiber sheet forming the skin layer of the rigid urethane foam according to the present invention has a weight of 20-100 g / m 2, a thickness of 0.2-0.8 mm, and a binder of 3-30%. Organic-based flame retardants such as magnesium hydroxide, aluminum hydroxide, antimony trioxide, phosphorus-based flame retardant, to a base flame retardant comprising sodium silicate or potassium silicate alone or mixed with a tissue-type glass fiber sheet having a flame retardancy; It is manufactured through the process of impregnation, dehydration, drying and winding in an aqueous type adhesive flame retardant mixture mixed with an organic-inorganic filler such as calcium carbonate, loess, graphite and charcoal and an antibacterial agent such as Zn and Ag. After that, it becomes a rigid high strength non-flammable glass fiber sheet weighing 60-900g / m2 and thickness 0.3-1.0mm, and one side of the sheet has a waterproof solution such as fluorine-based, silicone, or paraffin-based to prevent water from entering. Waterproofing was performed.
In addition, the surface of the high-strength non-combustible glass fiber sheet in the present invention may add a process of painting or printing in various colors as needed.
2 and 3 are cross-sectional views of the high heat resistant high flame retardant hard urethane composite insulation according to the embodiment of the present invention, respectively, in the embodiment shown in FIG. 2 on the upper and lower surfaces of the rigid
Figure 4 schematically shows a process for producing a rigid urethane composite insulating material of the present invention, the manufacturing method of a rigid urethane composite insulating material according to the present invention is a phase during the production of heat insulating material in a manufacturing facility for producing a rigid polyurethane foam board in a continuous process. In order to form a rigid urethane foam layer (10) while putting a high strength non-combustible glass fiber sheet (20,30) coated with an adhesive flame retardant mixture based on sodium silicate on both sides of the lower surface, that is, the glass fiber sheet After foaming the polyurethane mixture at 30, the process is carried out by molding and curing while being transferred by the press
In the figure,
By the above process, the flame retardant performance is superior to the level of semi-combustible or higher, and a high heat resistant high flame retardant rigid urethane composite insulation having a heat resistance of 700 ° C. or more is produced.
The raw material for forming the foam layer in the present invention is a two-component type of polyisocyanate and polyol resin liquid, and its production process is controlled by KSM 3809 (hard urethane foam insulation).
The material used as the main raw material of the rigid urethane insulation material is a synthetic resin composed of polyol, MDI (Methylene dipara-phenylene-isocyanate), blowing agent, catalyst, foaming agent, surfactant, and other additives. It is widely used as a raw material for adhesives in general industries such as panels, and the main raw material used in the production of the present invention is the polyurethane resin as a main raw material, and the polyurethane raw material is used as a foam nozzle on a high strength non-combustible glass fiber sheet at the time of manufacturing a rigid urethane insulating material. After sprinkling evenly, passing through the inside of the press double conveyor belt in the oven, the raw material is slowly foamed, molded, and cured to complete the insulation.
When manufacturing the duct with the composite insulation prepared by the present invention, the duct manufactured by using both sides of the heat insulating material as the non-combustible glass fiber sheet or the outside (heating surface) of the duct as the non-combustible glass fiber sheet and the inside of the aluminum sheet is light, Its heat resistance is over 700 ℃ and its flame retardancy, heat insulation, durability, and antibacterial properties make it possible to use it as air conditioning and smoke control duct. Combined with non-flammable glass fiber sheet alone or with skin material such as non-woven fabric, kraft paper and aluminum sheet. The rigid urethane foam composite insulation prepared by the thermal conductivity is less than 0.020W / mk, flame retardancy and strength is superior to the existing heat insulating material is suitable for the insulation of the building.
10: rigid foamed polyurethane layer
20: incombustible glass fiber sheet (lower surface)
30: nonflammable glass fiber sheet (upper surface)
40 kraft paper (aluminum sheet or nonwoven fabric)
50: oven
60: Press Double Conveyor Belt
70 urethane foam nozzle
80: cutting machine
Claims (4)
The high-strength non-combustible glass fiber sheet has a weight of 20-100 g / m 2, a thickness of 0.2-0.8 mm, and a base of a tissue type glass fiber sheet containing 5-30% of a binder alone or mixed with sodium silicate or potassium silicate solution. A method of manufacturing a high heat-resistant, flame-retardant hard urethane composite heat insulating material, characterized in that it is prepared by impregnating and drying an inorganic adhesive flame retardant mixture with an organic-inorganic flame retardant, an organic-inorganic filler and an antimicrobial agent.
The method of manufacturing a high heat-resistant, flame-retardant rigid urethane composite heat insulating material, characterized in that it further comprises a water-proof treatment or a painting or printing process with a paint on one surface of the high-strength non-combustible glass fiber sheet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020100005874A KR20110086250A (en) | 2010-01-22 | 2010-01-22 | High heat resistant flame retardant rigid polyurethane foam complex heat insulator using high solidity nonflammability fiberglass sheet and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020100005874A KR20110086250A (en) | 2010-01-22 | 2010-01-22 | High heat resistant flame retardant rigid polyurethane foam complex heat insulator using high solidity nonflammability fiberglass sheet and manufacturing method thereof |
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| KR20110086250A true KR20110086250A (en) | 2011-07-28 |
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| KR1020100005874A KR20110086250A (en) | 2010-01-22 | 2010-01-22 | High heat resistant flame retardant rigid polyurethane foam complex heat insulator using high solidity nonflammability fiberglass sheet and manufacturing method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190052946A (en) * | 2017-11-09 | 2019-05-17 | 한국철도기술연구원 | A functional composite frame-retardant panel for railway car and manufacturing method thereof |
| KR102175376B1 (en) * | 2019-10-15 | 2020-11-06 | 한국세라믹기술원 | Quaci-noncombustible heat insulator and manufacturing method of the same |
| KR102258690B1 (en) * | 2020-09-21 | 2021-05-28 | 한국세라믹기술원 | Incombustible material having heat-resistant and non-flammable properties, method of fabricating of the same, building interior material, lagging material, sound absorbing material and insulation material including the same |
| KR102428348B1 (en) | 2021-05-11 | 2022-08-02 | 한국신발피혁연구원 | Room temperature curing type acrylic adhesive composition having excellent adhesion property for fiber reinforced composite materials |
| KR20220152664A (en) * | 2021-05-10 | 2022-11-17 | 주식회사 에어론 | The organic-inorganic complex duct heat insulator in which the noncombustibility is strengthened and the organic-inorganic complex duct heat insulator in which the noncombustibility manufactured with the method thereof is strengthened |
| KR20220153139A (en) * | 2021-05-10 | 2022-11-18 | 주식회사 에어론 | The complex insulating material manufacturing method in which the fire safety is improved and a composite insulating material having improved fire safety manufactured by the method. |
| CN115485441A (en) * | 2021-04-14 | 2022-12-16 | 株式会社韩国新素材 | Semi-incombustible heat insulating material for building and method for producing same |
| KR102558539B1 (en) * | 2022-06-23 | 2023-07-24 | 케이블테크 주식회사 | Integrated fireproof cable and manufacturing method thereof |
| KR20230142076A (en) * | 2022-03-31 | 2023-10-11 | 박서경 | Semi-nonflammable sound absrobing panel and manufacturing method of the same |
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2010
- 2010-01-22 KR KR1020100005874A patent/KR20110086250A/en not_active Application Discontinuation
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190052946A (en) * | 2017-11-09 | 2019-05-17 | 한국철도기술연구원 | A functional composite frame-retardant panel for railway car and manufacturing method thereof |
| KR102175376B1 (en) * | 2019-10-15 | 2020-11-06 | 한국세라믹기술원 | Quaci-noncombustible heat insulator and manufacturing method of the same |
| KR102258690B1 (en) * | 2020-09-21 | 2021-05-28 | 한국세라믹기술원 | Incombustible material having heat-resistant and non-flammable properties, method of fabricating of the same, building interior material, lagging material, sound absorbing material and insulation material including the same |
| CN115485441A (en) * | 2021-04-14 | 2022-12-16 | 株式会社韩国新素材 | Semi-incombustible heat insulating material for building and method for producing same |
| KR20220152664A (en) * | 2021-05-10 | 2022-11-17 | 주식회사 에어론 | The organic-inorganic complex duct heat insulator in which the noncombustibility is strengthened and the organic-inorganic complex duct heat insulator in which the noncombustibility manufactured with the method thereof is strengthened |
| KR20220153139A (en) * | 2021-05-10 | 2022-11-18 | 주식회사 에어론 | The complex insulating material manufacturing method in which the fire safety is improved and a composite insulating material having improved fire safety manufactured by the method. |
| KR102428348B1 (en) | 2021-05-11 | 2022-08-02 | 한국신발피혁연구원 | Room temperature curing type acrylic adhesive composition having excellent adhesion property for fiber reinforced composite materials |
| KR20230142076A (en) * | 2022-03-31 | 2023-10-11 | 박서경 | Semi-nonflammable sound absrobing panel and manufacturing method of the same |
| KR102558539B1 (en) * | 2022-06-23 | 2023-07-24 | 케이블테크 주식회사 | Integrated fireproof cable and manufacturing method thereof |
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