WO2024242591A1 - Matériau en rouleau conducteur d'électricité avec fibre de carbone - Google Patents

Matériau en rouleau conducteur d'électricité avec fibre de carbone Download PDF

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Publication number
WO2024242591A1
WO2024242591A1 PCT/RU2024/050062 RU2024050062W WO2024242591A1 WO 2024242591 A1 WO2024242591 A1 WO 2024242591A1 RU 2024050062 W RU2024050062 W RU 2024050062W WO 2024242591 A1 WO2024242591 A1 WO 2024242591A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrically conductive
rolled material
carbon fibre
carbon fiber
mixture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/RU2024/050062
Other languages
English (en)
Russian (ru)
Inventor
Александр Сергеевич ДУБРОВСКИЙ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
K Systems Group LLC
Original Assignee
K Systems Group LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by K Systems Group LLC filed Critical K Systems Group LLC
Priority to CN202480000884.2A priority Critical patent/CN119343501A/zh
Publication of WO2024242591A1 publication Critical patent/WO2024242591A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B32B7/02—Physical, chemical or physicochemical properties
    • 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
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/025—Electric or magnetic properties
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/06—Roof covering by making use of flexible material, e.g. supplied in roll form by making use of plastics
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/10—Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen

Definitions

  • the utility model relates to the field of construction, namely to roofing materials, and can be used in roof construction and other similar building structures with a waterproofing coating made of bitumen, bitumen-polymer and polymer materials, in order to ensure control of the tightness or continuity (integrity) of the formed waterproofing coating made of a dielectric material, using the electric spark method.
  • a conditionally conductive base used for diagnostics of waterproofing tightness is known, disclosed in the patent for invention of the Russian Federation No. 2720344 with the priority date of 08/29/2019.
  • a conditionally conductive base is understood to be a base made of any material modified in such a way as to be used as a conductive layer.
  • Slab and monolithic materials with a humidity of more than 7% or thermal insulation and roll materials with a specific electrical resistance of less than 10 5 0 m-m can be used as a conditionally conductive base.
  • the slab and monolithic material can be represented by a cement-bonded particle board characterized by a humidity of more than 7%.
  • the thermal insulation and roll material can be represented by a composite material based on fiberglass or glass canvas.
  • a conductive base is known, disclosed in the patent for utility model of the Russian Federation No. 201323 with a priority date of September 29, 2020.
  • the known conductive base can be made of foil-clad hydrophobic material consisting of spunbond and aluminum.
  • the prototype selected is an electrically conductive roll material with carbon fiber from the patent for utility model of the Russian Federation No. 207852 with a priority date of 11.05.2021, which includes fiberglass (base), carbon fiber and a synthetic binder are additionally introduced, ensuring the gluing of fiberglass and fiber into a single mass.
  • the mixture for the manufacture of the material contains fiberglass in an amount of 70-95 wt.%, carbon fiber in an amount of 5-30 wt.%.
  • the disadvantage of the known conductive roll material with carbon fiber is its reduced strength characteristics, for example, for the material, containing 80 and 20% by weight of glass fiber and carbon fiber, respectively, the tensile strength of the base is no more than 300 (N/50 mm).
  • the technical task underlying this utility model is to expand the range of conductive materials that make it possible to adapt the surface of a roof and other similar building structures for testing the tightness or continuity (integrity) of the formed dielectric waterproofing coating using the electrospark method.
  • the technical result achieved by implementing this utility model consists of increasing the strength characteristics of the conductive roll material used in a building structure as a separating layer and conductive base for a dielectric waterproofing coating.
  • An additional technical result is an increase in the durability of the conductive roll material, due to an increase in the breaking load required to destroy the conductive roll material used in a building structure as a conductive base.
  • the utility model claimed is an electrically conductive roll material used as a conductive base inside a roof structure and other similar building structure.
  • the density of the conductive roll material is from 85 to 125 g/ m2 , and its specific electrical resistance does not exceed 10 4 0 m-m, the tensile strength of the base is from 350 to 400 (N/50 mm).
  • Electrically conductive roll material is manufactured using wet or paper technology, i.e. a mixture consisting of glass fibers (95.1-99.9 wt.%) and carbon fiber (0.1-4.9 wt.%) is continuously dispersed in a “white water” solution (softened water, thickener, dispersant and defoamer) in the required and sufficient quantity to open the glass fibers (i.e. no original fiberglass sticks (chops) remain and no fiberglass lumps are formed), the resulting solution fed to a steel molding mesh with a width of up to 5 meters. After dehydration of the glass fiber mixture with uniformly distributed carbon fiber on the molding or binding mesh, a synthetic binder with the following main components is fed to the mixture: resin, polymer dispersion and softened water.
  • a synthetic binder with the following main components is fed to the mixture: resin, polymer dispersion and softened water.
  • a control conductive roll material with carbon fiber is formed, characterized by a density of 85 to 125 g / m 2 and a specific electrical resistance of less than 10 4 0 m-m.
  • the proposed conductive roll material is more resistant to acidic and alkaline environments, is not subject to corrosion, mold and rotting, the destructive effects of low (up to -55°C) and high (up to +120°C) temperatures, and also has increased strength characteristics due to the higher homogeneity of the structure of the roll conductive material compared to the roll conductive material, in the structure of which there is a higher (5 wt.% or more) content of carbon fiber.
  • Finished carbon fiber and glass fiber (chops several centimeters long) in the range of corresponding proportions (0.1-4.9)/(95, 1-99.9) wt.% are continuously mixed in a disperser and a mixture based on a "white water” solution (softened water, thickener, dispersant and defoamer) is obtained.
  • a mixture based on a "white water” solution softened water, thickener, dispersant and defoamer
  • a synthetic binder consisting of resin, polymer dispersion and softened water.
  • the impregnated mixture on the mesh is fed into sequentially located ovens with different temperature and convection modes that correspond to the selected composition of the mixture. After drying the rolled material, it is wound and, if necessary, cut into narrower rolls.
  • the carbon fiber distributed evenly throughout its structure, forms an electrically conductive network that ensures the electrical conductivity of the roll material.
  • conductive rolled material with carbon fiber characterized by a density of 85 to 105 g/ m2 and a specific electrical resistance of less than 10 40 m-m, a tensile strength of the base of 350 (N/50 mm).
  • the roll material - fiberglass - is a dielectric.
  • Example 2 Glass fiber chops and carbon fiber in a ratio of 99.9/0.1 wt.% are mixed with softened water with the addition of a thickener, dispersant, and defoamer. The resulting mixture is dispersed using an ultrasonic disperser and then fed to a 2 m wide molding mesh, where the mixture is dehydrated. Then the mixture transferred to the binding mesh is impregnated with a synthetic binder, the excess of which flows through the mesh and again enters the next sections of the mixture. The mixture impregnated with the synthetic binder is subjected to a series of temperature treatments in an oven in the temperature range from 60 to 130 °C.
  • an electrically conductive roll material with carbon fiber is formed, characterized by a density of 100 to 120 g/ m2 and a specific electrical resistance of less than 10 4 0 m-m, and a tensile strength of the base of 400 (N/50 mm).

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

Ce modèle d'utilité se rapporte au domaine de la construction, notamment à des matériaux de toiture, et peut être utilisée dans la structure de toitures ou autres structures de construction similaires avec un revêtement d'isolation hydraulique en matériaux bitumineux, bitumineux-polymères et polymères afin d'assurer un contrôle de l'étanchéité ou de la continuité (intégrité) du revêtement d'isolation hydraulique réalisé et fait d'un matériau diélectrique selon un procédé à étincelle électrique. Le résultat technique obtenu grâce à se modèle d'utilité consiste en une augmentation des caractéristiques de solidité du matériau en rouleau électroconducteur que l'on utilise dans une structure de construction en qualité de couche de séparation et de base conductrice de courant pour un revêtement diélectrique d'isolation hydraulique. Ce modèle d'utilité consiste en un matériau en rouleau électroconducteur que l'on utilise en qualité de base conductrice de courant dans la structure d'une toiture ou autres structures de construction similaires. On ajoute également, dans la composition de ce matériau en rouleau dont la base comprend de la fibre de verre, une fibre de carbone et un liant synthétique assurant le collage de la fibre de verre et de la fibre en une masse unique; le mélange pour produire le matériau comprend de la fibre de verre dans une quantité de 95,1-99,9% en poids, et de la fibre de carbone dans une quantité de 0,1-4,9% en poids.
PCT/RU2024/050062 2023-05-19 2024-03-22 Matériau en rouleau conducteur d'électricité avec fibre de carbone Ceased WO2024242591A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202480000884.2A CN119343501A (zh) 2023-05-19 2024-03-22 碳纤维导电卷材

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2023113000 2023-05-19
RU2023113000 2023-05-19

Publications (1)

Publication Number Publication Date
WO2024242591A1 true WO2024242591A1 (fr) 2024-11-28

Family

ID=93590248

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2024/050062 Ceased WO2024242591A1 (fr) 2023-05-19 2024-03-22 Matériau en rouleau conducteur d'électricité avec fibre de carbone

Country Status (2)

Country Link
CN (1) CN119343501A (fr)
WO (1) WO2024242591A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6521152B1 (en) * 2000-03-16 2003-02-18 Honeywell International Inc. Method for forming fiber reinforced composite parts
RU2733611C2 (ru) * 2016-04-11 2020-10-05 Зе Боинг Компани Предварительно пропитанный проводящий композитный лист и способ его изготовления
RU201323U1 (ru) * 2020-09-29 2020-12-09 Общество с ограниченной ответственностью «К-СИСТЕМС ГРУПП» Гидроизолированная кровля
RU207852U1 (ru) * 2021-05-11 2021-11-19 Общество с ограниченной ответственностью «К-СИСТЕМС ГРУПП» Электропроводный рулонный материал с углеродной фиброй

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6521152B1 (en) * 2000-03-16 2003-02-18 Honeywell International Inc. Method for forming fiber reinforced composite parts
RU2733611C2 (ru) * 2016-04-11 2020-10-05 Зе Боинг Компани Предварительно пропитанный проводящий композитный лист и способ его изготовления
RU201323U1 (ru) * 2020-09-29 2020-12-09 Общество с ограниченной ответственностью «К-СИСТЕМС ГРУПП» Гидроизолированная кровля
RU207852U1 (ru) * 2021-05-11 2021-11-19 Общество с ограниченной ответственностью «К-СИСТЕМС ГРУПП» Электропроводный рулонный материал с углеродной фиброй

Also Published As

Publication number Publication date
CN119343501A (zh) 2025-01-21

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