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WO1998000461A1 - Adjuvant ignifuge intumescent destine a des materiaux de revetement goudronneux ou a base de resine - Google Patents

Adjuvant ignifuge intumescent destine a des materiaux de revetement goudronneux ou a base de resine Download PDF

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Publication number
WO1998000461A1
WO1998000461A1 PCT/US1997/011246 US9711246W WO9800461A1 WO 1998000461 A1 WO1998000461 A1 WO 1998000461A1 US 9711246 W US9711246 W US 9711246W WO 9800461 A1 WO9800461 A1 WO 9800461A1
Authority
WO
WIPO (PCT)
Prior art keywords
fire
retardant additive
accordance
additive material
agent
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/US1997/011246
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English (en)
Inventor
Samuel Gottfried
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.)
No Fire Technologies Inc
Original Assignee
No Fire Technologies Inc
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 No Fire Technologies Inc filed Critical No Fire Technologies Inc
Priority to AU35828/97A priority Critical patent/AU3582897A/en
Publication of WO1998000461A1 publication Critical patent/WO1998000461A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K21/00—Fireproofing materials
    • C09K21/14—Macromolecular materials

Definitions

  • the present invention relates to an intumescent fire- retardant additive used in conjunction with flammable coating materials such as urethanes, epoxies, coal tars, PVC, and other types of resins to substantially decrease their fla mability for use in numerous applications, such as undercoatings and top coating materials.
  • the fire-retardant additive includes intumescent base materials, flame spread reduction agents, and refractory fibers.
  • Intumescent additive materials have been known for many years and have been used as flame inhibitors for various substrates which provide some degree of thermal protection.
  • Substrates such as wood composites, and various types of plastics, such as PVC, thermoplastics, and epoxies, have incorporated the additives to make them more fire and heat retardant.
  • the additive is impractical for reasons other than fire protection, such as: reduced abrasion resistance, water resistance, and other environmental factors. Additionally, the fire protection performance degrades substantially when exposed to heat for a prolonged period. For example, with the increased use of wood composite products for use in home construction applications, or with the increased use of epoxy resins as an exterior coating in paints for home construction, current fire-retardant additive materials used in conjunction with flammable coating materials do not provide adequate or sufficient protection from fire and heat for more than a few minutes. Currently, there is no single fire-retardant additive material when incorporated with flammable coating materials, such as PVC's, epoxy resins, coal tars, and urethanes, which have all of the following desirable features :
  • An additive that is a dry powder form
  • fire-retardant additives are used in various coating materials which then are applied to various substrates such as wood, PVC, thermoplastics, metals, fiberglass, and epoxies. These coating materials are impractical for reasons other than fire protection, as they lack resistance to abrasion, impact, water, corrosion, and other environmental factors. Because of these factors, present coating materials using a fire- retardant additive substantially degrade in use and do not provide protection from fire and heat for a sufficient time duration during a fire. There is a need for a new and improved fire-retardant additive used in various coating materials that would not degrade in use and would provide substantial protection from fire and heat for a long duration if a fire were to occur by reducing the flammability of the coating materials.
  • the coating materials used should have application for use on a variety of substrates such as iron, steel, stainless steel, aluminum, titanium, copper, brass, and other metals, wood, plywood, particle board, and other wood products, plastics, PVC, thermoplastics, fiberglass, epoxies, paints, resins and the like for many applications in building construction, transportation, utilities, telecommunications, marine construction, industrial manufacturing, and the like.
  • substrates such as iron, steel, stainless steel, aluminum, titanium, copper, brass, and other metals, wood, plywood, particle board, and other wood products, plastics, PVC, thermoplastics, fiberglass, epoxies, paints, resins and the like for many applications in building construction, transportation, utilities, telecommunications, marine construction, industrial manufacturing, and the like.
  • a fire-retardant additive product for mixing with a flammable coating material, such as PVC, coal tar, epoxy resin or urethane, to provide an effective fire-retardant coating for a substrate that when used as an additive is able to withstand a continuously maintained temperature as high as 2,000°F, without significantly degrading the environmental and mechanical properties of the substrate being coated.
  • a flammable coating material such as PVC, coal tar, epoxy resin or urethane
  • Another object of the present invention is to provide an intumescent fire-retardant additive composition that includes a novel combination of an intumescent base material having a foaming agent, a charring agent, and a blowing agent; a flame spread reduction agent; and refractory fibers.
  • the additive may have optional filler and pigment components.
  • Another object of the present invention is to provide an intumescent fire-retardant additive composition that is in a dry powder form for ease of handling, mixing and incorporating into a coating material at the point of manufacture.
  • Another object of the present invention is to provide an intumescent fire-retardant additive composition that combines with a flammable coating material, such as PVC, coal tar, epoxy resin, or urethane, to provide a significant reduction in surface flame spread characteristics, protection against radiant heat flux density of up to 600 kw/M 2 for a duration of 5 minutes, a low rate of thermal transmission and reduced flammability to the coating material being used.
  • a flammable coating material such as PVC, coal tar, epoxy resin, or urethane
  • Another object of the present invention is to provide an intumescent fire-retardant additive composition that when combined with a PVC coating material has application in the transportation industry for vehicle under coating, exhaust systems, gas tanks, engine compartment, fire walls, catalytic converters, hoods and floors.
  • Another object of the present invention is to provide an intumescent fire-retardant additive composition that when combined with an epoxy resin or urethane coating material has application in residential, hotel, commercial office and industrial plant construction where the additive coating material is used as an exterior coating which also helps to weatherproof the structure being constructed.
  • Another object of the present invention is to provide an intumescent fire-retardant additive composition that when combined with a coal tar coating material has application in the marine, telecommunications, utilities, and petroleum industries where the additive coating material is used for bulkheads, cables, conduits, offshore oil drilling platforms, seals, pipeline wraps and chemical storage tanks for the prevention of water, salt-water and chemical corrosion to those objects.
  • Another object of the present invention is to provide an intumescent fire-retardant additive composition that when combined with paint resin systems such as oil-based or water- based latex has application to residential, commercial and industrial construction where the additive material is painted on doors, indoor walls, ceilings, flooring, decks, beams, wall barriers and the like.
  • Another object of the present invention is to provide an intumescent fire-retardant additive composition that when combined with a coating material is suitable for a variety of substrates such as iron, steel, stainless-steel, aluminum, titanium, copper, brass, and other metals, wood, ply-wood, chip-board, particle board, and other wood products, plastics, PVC, thermoplastics, fiberglass, epoxies, neoprene, rubber, and the like.
  • substrates such as iron, steel, stainless-steel, aluminum, titanium, copper, brass, and other metals, wood, ply-wood, chip-board, particle board, and other wood products, plastics, PVC, thermoplastics, fiberglass, epoxies, neoprene, rubber, and the like.
  • a further object of the present invention is to provide an intumescent fire-retardant additive composition which can be easily mixed, applied, and mass produced in an automated and economical manner and is cost efficient for a variety of applications by the user.
  • an intumescent fire-retardant additive material being in a dry powder form which includes an intumescent base material having a foaming agent, a charring agent, and a blowing agent gas source; a flame spread reduction agent; and refractory fibers.
  • the additive may also have filler and pigment components.
  • the additive composition is in a dry powder form for ease of handling, mixing and incorporating into a coating material at the point of manufacture.
  • the additive material when combined with a flammable coating material, such as PVC, coal tar, epoxy resin, urethane or other paint resin systems, provides for a significant reduction in surface flame spread, protection against radiant heat flux density of up to 600 K /m ? for a duration of 5 minutes, a low rate of thermal transmission and a reduced flammability to the coating material being applied to a substrate.
  • the fire-retardant additive when combined with a given coating material is suitable for a variety of material substrates such as iron, steel, stainless-steel, aluminum, titanium, copper, brass, and other metals, wood, ply-wood, chip-board, particle board, and other wood products, plastics, PVC, thermoplastics, fiberglass, epoxies, neoprene, rubber, and the like.
  • the fire-retardant additive has many applications for use in construction, transportation, telecommunications, utilities, marine, chemical and petroleum manufacturing and military applications.
  • A. Intumescent Base Material including:
  • a foaming agent such as 25% to 45% ammonium polyphosphate [ ( H 4 ) 2 HP0 4 ] , and potassium tripolyphosphate [K 3 P0 4 ].
  • a charring agent such as 5% to 20% dipentaerythritol (DPE) [C(CH 2 OH) 4 ], chlorinated paraffin, resorcinol, inositol, sorbitol, dextrin, and sorbitol.
  • DPE dipentaerythritol
  • a blowing agent gas source such as 5% to 20% melamine, urea (NH 2 CONH 2 ), dicyandianide, guanidine, and glycine.
  • B. Flame spread reduction agent such as 2% to 30% antimony oxide (Sb 2 0 3 ), aluminum trihydrate (Al 2 0 3 %3H 2 O) , zinc borate ( 3ZnO «2B 2 0 3 ) , sodium silicate (Na 2 Si0 3 ), calcium silicate (Ca 2 Si0 4 ), zinc metaphosphate, and potassium metaphosphate.
  • Refractory fibers such as 0% to 22% aluminum oxide (Al 2 0 3 ), silicon dioxide (Si0 2 ), ferric oxide (Fe 2 0 3 ), potassium oxide (K 2 0), zinc oxide (ZnO), and chromium dioxide (CrO).
  • COMPONENT COMPOUND RANGE BY WEIGHT
  • Fillers such as 0% to 28% calcium carbonate (CaC0 3 ), calcium silicate and sodium silicate, add bulk.
  • E. Pigments such as 0% to 18% titanium dioxide (Ti0 2 ), and oxalates.
  • plastics or resins include polyvinyl chloride (PVC), polyvinyl acetate, epoxies, urethanes, acrylics, aliphatic polyurethane, plasticizers such as dibutyl phthalate and dioctyl phthalate, and combinations of the foregoing.
  • the additive material of the present invention may be used as an additive to any of the foregoing, when used as a coating material, and thereby substantially increase the fire and heat retardant characteristics of the coating material.
  • the present invention has a number of different applications and uses which determine the particular compounds and formulations used in the fire-retardant composition. For example, when sprayable automobile undercoatings are used, comprising PVC, PVAC, plasticizers. and inorganic additives, the composition of the present invention provides a sprayable material with good mechanical and environmental properties .
  • the present invention provides fire retardation for exposure to heat at higher radiant fluxes than is provided by previous compositions.
  • prior compositions protection against radiant heat flux density of up to 100 kwatt/m 2 for a duration of up to 100 seconds is provided.
  • protection against radiant heat flux density of up to 600 kwatt/m 2 for a duration of up to 300 seconds is provided.
  • the following examples illustrate the practice of this invention. EXAMPLE I- ADDITIVE TO PVC
  • foaming agent potassium tripolyphosphate 7%
  • charring agent chlorinated paraffin 3%
  • blowing agent urea 9%
  • flame inhibitor zinc borate 2%
  • pigment titanium dioxide 4%
  • fillers calcium carbonate 5%
  • refractory materials aluminum oxide 1.5%; silicon dioxide 1.0%; ferric oxide 0.4%; potassium oxide 0.2%; zinc oxide 0.2%; and chromium dioxide 0.1%).
  • the composition is applied to a thickness of .020 inches to a steel plate.
  • a propane torch having a flame temperature in excess of 2,300°F, is applied for five minutes to the coated surface.
  • the composition chars and swells to approximately twenty times its original thickness.
  • the temperature of the steel plate increases at a substantially reduced rate when compared to a coating without the ingredients of the present invention.
  • Example I One kg of 15% to 20% polyvinyl chloride, polyvinyl acetate of approximately 40%, and plasticizers of 25% to 30% are combined with 200 gm of the mixture of the ingredients listed above in Example I. A steel surface is coated and tested in the same manner as in Example I . After more than
  • One kg of aliphatic polyurethane is combined with 400 gm of the mixture of the powder ingredients of Example I.
  • the composition is applied to a thickness of .020 inches to a steel plate.
  • a propane torch having a flame temperature in excess of 2,300°F, is applied for five minutes to the coated surface.
  • the composition chars and swells to approximately twenty times its original thickness.
  • the temperature of the steel plate increases at a substantially reduced rate when compared to a coating without the powder ingredients of the present invention.
  • coal tar epoxy is combined with a 250 gm of the mixture of the powder ingredients of Example 1.
  • the composition is applied to a thickness of .005 inches over previously fire-retardant treated coated cables of varying diameters from 0.5 inches to 2.0 inches.
  • the cables are installed in the top section of an oven, similar to the arrangement prescribed by IEEE383.
  • the oven temperature is raised to 1800°F for an hour, as required by the standard.
  • the temperature of the cables are monitored at various locations. The results indicate that the temperatures are well within the requirements for in excess of one hour.
  • the intumescent fire-retardant powder additive material of the present invention can be used in conjunction with a variety of coating materials, as previously mentioned above.
  • coating materials of PVC having the additive contained therein are used in the transportation industry.
  • the fire-retardant coating material would be used in autos, buses, trucks, cargo ships, and airplanes for coating of vehicular undercarriages, exhaust systems, gas tanks, catalytic converters, hoods, firewalls, engine compartments, cargo liners, engine rooms, and the like.
  • Another example of an application would be to use the additive for a coating material of coal tars having the additive contained therein in the construction, marine, telecommunication, utilities, petroleum and chemical industries.
  • the coal tar coating material would be used in conditions where there is a high degree of fresh/salt-water corrosion, chemical corrosion, and humidity; such that the coating material would be used on bridges, oil-drilling platforms and rigs, refineries, chemical plants, utility power plants, communication towers, and the like.
  • the coal tar with a fire-retardant additive is designed to maintain flexibility and protection in the most severe environmental and weather conditions.
  • a further example of an application would be for coating materials such as urethanes, (e.g. aliphatic polyurethane), epoxy resins, paint resin systems having the additive contained therein being used in the construction of residential dwellings, hotels, public accommodations, commercial buildings, public garages, high-rise buildings, condominiums, and the like. These coating materials would be used for the waterproofing of exterior sidings, roofing, interior structures, hung ceilings, wall barriers, and the like.
  • an advantage of the present invention is that it provides for a fire-retardant additive product for mixing with a flammable coating material, such as PVC, coal tar, epoxy resin or urethane, to provide an effective fire- retardant coating for a substrate that when used as an additive is able to withstand a continuously maintained temperature as high as 2,000°F, without significantly degrading the environmental and mechanical properties of the substrate being coated.
  • a flammable coating material such as PVC, coal tar, epoxy resin or urethane
  • Another advantage of the present invention is that it provides for an intumescent fire-retardant additive composition that includes a novel combination of an intumescent base material having a foaming agent, a charring agent, and a blowing agent; a flame spread reduction agent; and refractory fibers.
  • the additive may have optional filler and pigment components.
  • Another advantage of the present invention is that it provides for an intumescent fire-retardant additive composition that is in a dry powder form for ease of handling, mixing and incorporating into a coating material at the point of manufacture.
  • Another advantage of the present invention is that it provides for an intumescent fire-retardant additive composition that combines with a flammable coating material, such as PVC, coal tar, epoxy resin, or urethane, to provide a significant reduction in surface flame spread characteristics, protection against radiant heat flux density of up to 600 kw/m 2 for a duration of 5 minutes, a low rate of thermal transmission and reduced flammability to the coating material being used.
  • a flammable coating material such as PVC, coal tar, epoxy resin, or urethane
  • Another advantage of the present invention is that it provides for an intumescent fire-retardant additive composition that when combined with a PVC coating material has application in the transportation industry for vehicle under carriages, exhaust systems, gas tanks, engine compartment fire walls, catalytic converters, hoods and floors.
  • Another advantage of the present invention is that it provides for an intumescent fire-retardant additive composition that when combined with an epoxy resin or urethane coating material has application in residential, hotel, commercial office and industrial plant construction where the additive coating material is used as an exterior paint coating which also helps to weatherproof the structure being constructed.
  • Another advantage of the present invention is that it provides for an intumescent fire-retardant additive composition that when combined with a coal tar coating material has application in the marine, telecommunications, utilities, and petroleum industries where the additive coating material is used for bulkheads, cables, conduits, offshore oil drilling platforms, seals, pipeline wraps and chemical storage tanks for the prevention of water, saltwater and chemical corrosion to those objects.
  • Another advantage of the present invention is that it provides for an intumescent fire-retardant additive composition that when combined with paint resin systems such as oil-based or water-based latex has application to residential, commercial and industrial construction where the additive material is painted on doors, indoor walls, ceiling, flooring, decks, beams, wall barriers and the like.
  • Another advantage of the present invention is that it provides for an intumescent fire-retardant additive composition that when combined with a coating material is suitable for a variety of material substrates such as iron, steel, stainless-steel, aluminum, titanium, copper, brass, and other metals, wood, ply-wood, chip-board, particle board, and other wood products, plastics, PVC, fiberglass, thermoplastics, epoxies, neoprene, rubber, and the like.
  • material substrates such as iron, steel, stainless-steel, aluminum, titanium, copper, brass, and other metals, wood, ply-wood, chip-board, particle board, and other wood products, plastics, PVC, fiberglass, thermoplastics, epoxies, neoprene, rubber, and the like.
  • Another advantage of the present invention is that it provides for an intumescent fire-retardant additive composition that has application for use in building construction, transportation, telecommunications, utilities, marine construction, chemical and petroleum manufacturing and military applications.
  • a further advantage of the present invention is that it provides for an intumescent fire-retardant additive composition which can be easily mixed, applied, and mass produced in an automated and economical manner and is cost efficient for a variety of applications by the user.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Fireproofing Substances (AREA)

Abstract

L'invention a pour objet un matériau ignifuge sous forme de poudre, utilisé comme adjuvant dans la production de nombreux types de plastiques, résines époxydes, uréthanes, résines et goudrons de houille comprenant un matériau de base intumescent doté d'un agent moussant, d'un agent d'expansion et d'un agent de carbonisation, un agent réducteur de propagation des flammes présentant une protection contre des irradiations allant jusqu'à 600 kW/m2 pendant une durée de cinq minutes, et des fibres réfractaires dans le matériau adjuvant.
PCT/US1997/011246 1996-07-03 1997-06-28 Adjuvant ignifuge intumescent destine a des materiaux de revetement goudronneux ou a base de resine Ceased WO1998000461A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU35828/97A AU3582897A (en) 1996-07-03 1997-06-28 Intumescent fire-retardant additive for resin and coal tar coating materials

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US67510196A 1996-07-03 1996-07-03
US08/675,101 1996-07-03

Publications (1)

Publication Number Publication Date
WO1998000461A1 true WO1998000461A1 (fr) 1998-01-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1997/011246 Ceased WO1998000461A1 (fr) 1996-07-03 1997-06-28 Adjuvant ignifuge intumescent destine a des materiaux de revetement goudronneux ou a base de resine

Country Status (3)

Country Link
AU (1) AU3582897A (fr)
IT (1) IT1296115B1 (fr)
WO (1) WO1998000461A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0992566A1 (fr) * 1998-09-04 2000-04-12 DSM Fine Chemicals Austria GmbH Laminés intumescents à haute résistance thermique
WO2002077403A1 (fr) * 2001-03-22 2002-10-03 Environmental Seals Ltd Panneaux et portes coupe-feu
KR100514348B1 (ko) * 2003-12-03 2005-09-13 한국과학기술연구원 셀룰로오스 용액의 이송 장치 및 이송 방법
WO2014187496A1 (fr) 2013-05-23 2014-11-27 Convention Européenne De La Construction Métallique (Cecm) Revêtements de protection contre l'incendie

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983082A (en) * 1975-02-19 1976-09-28 General Electric Company Intumescent fire retardant material and article
US4176115A (en) * 1975-09-15 1979-11-27 Champion International Corporation Fire-resistant construction material
US4636538A (en) * 1983-08-23 1987-01-13 Dixon International Limited Intumescent material
US4879320A (en) * 1989-03-15 1989-11-07 Hastings Otis Intumescent fire-retardant coating material
US5532292A (en) * 1992-07-17 1996-07-02 Alcan International Limited Intumescent compositions

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983082A (en) * 1975-02-19 1976-09-28 General Electric Company Intumescent fire retardant material and article
US4176115A (en) * 1975-09-15 1979-11-27 Champion International Corporation Fire-resistant construction material
US4636538A (en) * 1983-08-23 1987-01-13 Dixon International Limited Intumescent material
US4879320A (en) * 1989-03-15 1989-11-07 Hastings Otis Intumescent fire-retardant coating material
US5532292A (en) * 1992-07-17 1996-07-02 Alcan International Limited Intumescent compositions

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0992566A1 (fr) * 1998-09-04 2000-04-12 DSM Fine Chemicals Austria GmbH Laminés intumescents à haute résistance thermique
CZ299871B6 (cs) * 1998-09-04 2008-12-17 Dsm Fine Chemicals Austria Gmbh Nadouvací laminát s vysokým tepelným odporem, zpusob jeho výroby a jeho použití
WO2002077403A1 (fr) * 2001-03-22 2002-10-03 Environmental Seals Ltd Panneaux et portes coupe-feu
KR100514348B1 (ko) * 2003-12-03 2005-09-13 한국과학기술연구원 셀룰로오스 용액의 이송 장치 및 이송 방법
WO2014187496A1 (fr) 2013-05-23 2014-11-27 Convention Européenne De La Construction Métallique (Cecm) Revêtements de protection contre l'incendie

Also Published As

Publication number Publication date
ITRM970395A0 (fr) 1997-07-02
ITRM970395A1 (it) 1998-01-05
AU3582897A (en) 1998-01-21
IT1296115B1 (it) 1999-06-09

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