WO2004081096A1 - Protective composition and method for improving the resistance of a surface against damage caused by fire - Google Patents

Protective composition and method for improving the resistance of a surface against damage caused by fire Download PDF

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Publication number
WO2004081096A1
WO2004081096A1 PCT/IB2004/000456 IB2004000456W WO2004081096A1 WO 2004081096 A1 WO2004081096 A1 WO 2004081096A1 IB 2004000456 W IB2004000456 W IB 2004000456W WO 2004081096 A1 WO2004081096 A1 WO 2004081096A1
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WO
WIPO (PCT)
Prior art keywords
composition
protective composition
protective
fire
resistance
Prior art date
Application number
PCT/IB2004/000456
Other languages
French (fr)
Inventor
Johannes David Prins Olivier
Original Assignee
Johannes David Prins Olivier
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 Johannes David Prins Olivier filed Critical Johannes David Prins Olivier
Publication of WO2004081096A1 publication Critical patent/WO2004081096A1/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds

Definitions

  • THIS INVENTION relates to the coating of surfaces to improve
  • the invention relates to a protective composition, a method for improving the resistance of a surface against damage caused by fire, and a protective coating.
  • a protective composition for improving the resistance of a surface against damage caused by fire said composition including: a fire resistant polymeric resin; and a calcium metasilicate composition.
  • the resin may be a suitable fire retardant polyester resin, such as NCS FR 202 PA - type resin, which is a self-extinguishing, filled resin.
  • the calcium metasilicate composition may be in the form of Wollastonite and/or may include CaO, and/or SiO 2 .
  • the calcium metasilicate composition may comprise about 20% of the protective composition, by mass.
  • the protective composition may include an ultra violet (UV) absorber, such as Ciba Specialty Chemicals' Tinuvin 320 UV absorber, and the UV absorber may comprise between 0,2% and 0.5% of the protective composition, by mass.
  • UV absorber such as Ciba Specialty Chemicals' Tinuvin 320 UV absorber
  • the protective composition may include a suitable plasticiser, such as NCS 978-type polyester resin, and the plasticiser may comprise about 5% of the protective composition, by mass.
  • a suitable plasticiser such as NCS 978-type polyester resin
  • the protective composition may include fibrous material, such as finely milled cotton fibres, known as "cotton flox" and the fibrous material may comprise about 0,5% of the protective composition, by mass.
  • the protective composition may include a flame retardant additive, such as aluminium trihydrate, Xyris Technology CC's XYRO-FLAM PEN, and/or Xyris Technology CC's XYRO-FLAM CS-2H, and the flame retardant additive may comprise up to 25% of the protective composition, by mass.
  • the protective composition may include one or more additive, such as a pesticide, a pest repellent, a pigment, a filler such as a ceramics filler, a suitable catalyst, and an accelerator, etc., depending on specific applications for which the protective composition is intended.
  • the invention extends to a method for improving the resistance of a surface against damage caused by fire, said method comprising applying a protective composition as described hereinabove to the surface, and curing the protective composition.
  • the invention extends further to a fire resistant protective coating for improving the resistance of a surface against damage caused by fire, said coating comprising such a cured protective composition.
  • a protective composition is prepared by combining about 80% by mass of NCS FR 202 PA - type polyester resin with about 20% by mass of a calcium metasilicate composition in the form of Wollastonite.
  • a suitable quantity of a suitable catalyst, such as MEKP, is added to the composition.
  • NCS FR 202 PA-type polyester resin is a fire retardant, self-extinguishing, filled polyester resin.
  • the Wollastonite includes predominantly CaO and
  • a UV absorber in the form of Ciba Specialty Chemicals' Tinuvin 320 UV absorber is added to the protective composition to comprise about 0,2%) to 0,5% of the composition, by mass.
  • compositions are all available from AUAS Industrial Minerals CC, P O Box 812, Fontainebleau, 2032, Gauteng, South Africa.
  • Fire retardant additives are added to the protective composition.
  • the fire retardant additives include about 2%, by mass, of XYRO-FLAM PEN and about 20%, by mass, of XYRO-FLAM CS-2H. Both fire retardant additives are available from Xyris Technology CC, P O Box 35258, Menlo Park, 0102, South Africa.
  • the protective composition is applied to a surface, the resistance of which against damage caused by fire is to be improved, such as a wooden surface, a steel surface, cement, or the like, and the composition is cold cured.
  • the cured composition forms a fire resistant protective coating on the surface, improving its resistance against damage caused by fire.
  • properties of the coating can further be enhanced by adding a filler such as a ceramics filler to the composition, to improve abrasion resistance of the coating, adding a pesticide or pest repellent to the composition, to protect the surface against pests, adding a pigment to the composition if colour is required, etc.
  • the invention described in the example holds the advantages that it can easily be applied to the surface, by brush application, dipping, spraying, or the like, it bonds well to the surface, it forms a coating of substantial mechanical strength (hardness, flexibility, etc.), it is resistant to ultraviolet radiation, and it improves the resistance of the surface to which it has been applied, against adverse weather conditions and against damage caused by fire.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

A protective composition in accordance with the invention includes a fire resistant polymeric resin and a calcium metasilicate composition. The protective composition can further include a UV absorber, a plasticiser, a flame retardant additive, fibrous material, and/or other additives. The invention extends to a method for improving the resistance of a surface against damage caused by fire, which includes applying the protective composition to the surface and cold curing the protective composition to form a fire resistant protective coating.

Description

PROTECTIVE COMPOSITION AND METHOD FOR IMPROVING THE
RESISTANCE OF A SURFACE AGAINST DAIiAGE CAUSED BY FIRE
BACKGROUND TO THE
THIS INVENTION relates to the coating of surfaces to improve
their resistance against damage caused by fire. In particular, the invention relates to a protective composition, a method for improving the resistance of a surface against damage caused by fire, and a protective coating.
SUMMARY OF THE INVENTION
According to the invention there is provided a protective composition for improving the resistance of a surface against damage caused by fire, said composition including: a fire resistant polymeric resin; and a calcium metasilicate composition.
The resin may be a suitable fire retardant polyester resin, such as NCS FR 202 PA - type resin, which is a self-extinguishing, filled resin. The calcium metasilicate composition may be in the form of Wollastonite and/or may include CaO, and/or SiO2.
The calcium metasilicate composition may comprise about 20% of the protective composition, by mass.
The protective composition may include an ultra violet (UV) absorber, such as Ciba Specialty Chemicals' Tinuvin 320 UV absorber, and the UV absorber may comprise between 0,2% and 0.5% of the protective composition, by mass.
The protective composition may include a suitable plasticiser, such as NCS 978-type polyester resin, and the plasticiser may comprise about 5% of the protective composition, by mass.
The protective composition may include fibrous material, such as finely milled cotton fibres, known as "cotton flox" and the fibrous material may comprise about 0,5% of the protective composition, by mass.
The protective composition may include a flame retardant additive, such as aluminium trihydrate, Xyris Technology CC's XYRO-FLAM PEN, and/or Xyris Technology CC's XYRO-FLAM CS-2H, and the flame retardant additive may comprise up to 25% of the protective composition, by mass. The protective composition may include one or more additive, such as a pesticide, a pest repellent, a pigment, a filler such as a ceramics filler, a suitable catalyst, and an accelerator, etc., depending on specific applications for which the protective composition is intended.
The invention extends to a method for improving the resistance of a surface against damage caused by fire, said method comprising applying a protective composition as described hereinabove to the surface, and curing the protective composition.
The invention extends further to a fire resistant protective coating for improving the resistance of a surface against damage caused by fire, said coating comprising such a cured protective composition.
The invention will now be described, by way of non-limiting example.
EXAMPLE
A protective composition is prepared by combining about 80% by mass of NCS FR 202 PA - type polyester resin with about 20% by mass of a calcium metasilicate composition in the form of Wollastonite. A suitable quantity of a suitable catalyst, such as MEKP, is added to the composition. NCS FR 202 PA-type polyester resin is a fire retardant, self-extinguishing, filled polyester resin. The Wollastonite includes predominantly CaO and
SiO2.
A plasticiser in the form of NCS 978-type polyester resin, is added to the protective composition to comprise about 5% of the composition, by mass, and cotton flox-type fibrous material is added to the composition, to comprise about 0,5% of the composition, by mass.
A UV absorber in the form of Ciba Specialty Chemicals' Tinuvin 320 UV absorber, is added to the protective composition to comprise about 0,2%) to 0,5% of the composition, by mass.
The abovementioned components of the composition are all available from AUAS Industrial Minerals CC, P O Box 812, Fontainebleau, 2032, Gauteng, South Africa.
Fire retardant additives are added to the protective composition. The fire retardant additives include about 2%, by mass, of XYRO-FLAM PEN and about 20%, by mass, of XYRO-FLAM CS-2H. Both fire retardant additives are available from Xyris Technology CC, P O Box 35258, Menlo Park, 0102, South Africa.
The protective composition is applied to a surface, the resistance of which against damage caused by fire is to be improved, such as a wooden surface, a steel surface, cement, or the like, and the composition is cold cured.
The cured composition forms a fire resistant protective coating on the surface, improving its resistance against damage caused by fire. In addition to the components of the composition mentioned above, properties of the coating can further be enhanced by adding a filler such as a ceramics filler to the composition, to improve abrasion resistance of the coating, adding a pesticide or pest repellent to the composition, to protect the surface against pests, adding a pigment to the composition if colour is required, etc.
The invention described in the example holds the advantages that it can easily be applied to the surface, by brush application, dipping, spraying, or the like, it bonds well to the surface, it forms a coating of substantial mechanical strength (hardness, flexibility, etc.), it is resistant to ultraviolet radiation, and it improves the resistance of the surface to which it has been applied, against adverse weather conditions and against damage caused by fire.

Claims

1. A protective composition for improving the resistance of a surface against damage caused by fire, said composition including a fire resistant polymeric resin, characterised in that the composition further includes a calcium metasilicate composition.
2. A protective composition as claimed in Claim 1 , characterised in that the resin is a fire retardant polyester resin.
3. A protective composition as claimed in Claim 1 , characterised in that the calcium metasilicate composition includes Wollastonite.
4. A protective composition as claimed in Claim 1 , characterised in that the calcium metasilicate composition includes CaO.
5. A protective composition as claimed in Claim 1 , characterised in that the calcium metasilicate composition includes SiO2.
6. A protective composition as claimed in Claim 1 , characterised in that the calcium metasilicate composition comprises about 20% of the protective composition, by mass.
7. A protective composition as claimed in Claim 1 , characterised in that it includes a UV absorber.
8. A protective composition as claimed in Claim 7, characterised in that the UV absorber comprises between 0,2% and 0.5% of the protective composition, by mass.
9. A protective composition as claimed in Claim 1 , characterised in that it includes a plasticiser.
10. A protective composition as claimed in Claim 9, characterised in that the plasticiser comprises about 5% of the protective composition, by mass.
11. A protective composition as claimed in Claim 1 , characterised in that it includes fibrous material.
12 A protective composition as claimed in Claim 11 , characterised in that the fibrous material comprises about 0,5% of the protective composition, by mass.
13. A protective composition as claimed in Claim 1 , characterised in that it includes a flame retardant additive.
14. A protective composition as claimed in Claim 13, characterised in that the flame retardant additive comprises up to 25% of the protective composition, by mass.
15. A protective composition as claimed in Claim 1 , characterised in that it includes at least one additive selected from: a pesticide, a pest repellent, a pigment, a filler, a catalyst, and an accelerator.
16. A method for improving the resistance of a surface against damage caused by fire, said method being characterised by the steps of applying a protective composition as claimed in any one of Claims 1 to 15 to the surface, and curing the protective composition.
17. A protective coating for improving the resistance of a surface against damage caused by fire, characterised in that said coating comprises a cured protective composition as described in Claim 16.
18. A protective composition as claimed in Claim 1 , substantially as herein described by way of example.
19. A method as claimed in Claim 16, substantially as herein described by way of example.
20. A protective coating as claimed in Claim 17, substantially as herein described by way of example.
21. A new protective composition, a new method for improving the resistance of a surface against damage caused by fire, or a new coating, substantially as herein described.
PCT/IB2004/000456 2003-03-11 2004-02-24 Protective composition and method for improving the resistance of a surface against damage caused by fire WO2004081096A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA200301976 2003-03-11
ZA2003/1976 2003-03-11

Publications (1)

Publication Number Publication Date
WO2004081096A1 true WO2004081096A1 (en) 2004-09-23

Family

ID=32991530

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2004/000456 WO2004081096A1 (en) 2003-03-11 2004-02-24 Protective composition and method for improving the resistance of a surface against damage caused by fire

Country Status (2)

Country Link
WO (1) WO2004081096A1 (en)
ZA (1) ZA200507495B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4778844A (en) * 1987-06-11 1988-10-18 Blount David H Process for the production of flame-retardant polyurethane products
US4857364A (en) * 1986-12-20 1989-08-15 Bayer Aktiengesellschaft Intumescent compositions and the use thereof
JPH0955125A (en) * 1995-08-15 1997-02-25 Fujikura Ltd Fire resistant electric wire
GB2360780A (en) * 2000-03-29 2001-10-03 Dow Corning Silicone Rubber Composition containing Wollastonite
US20020137822A1 (en) * 2001-01-25 2002-09-26 Andreas Seidel Flame-resistant, mineral-reinforced polycarbonate compositions with a high flow line strength

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4857364A (en) * 1986-12-20 1989-08-15 Bayer Aktiengesellschaft Intumescent compositions and the use thereof
US4778844A (en) * 1987-06-11 1988-10-18 Blount David H Process for the production of flame-retardant polyurethane products
JPH0955125A (en) * 1995-08-15 1997-02-25 Fujikura Ltd Fire resistant electric wire
GB2360780A (en) * 2000-03-29 2001-10-03 Dow Corning Silicone Rubber Composition containing Wollastonite
US20020137822A1 (en) * 2001-01-25 2002-09-26 Andreas Seidel Flame-resistant, mineral-reinforced polycarbonate compositions with a high flow line strength

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 06 30 June 1997 (1997-06-30) *

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Publication number Publication date
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