DE2334434A1 - Flame retardant paint contg. slate flour filler - in sodium silicate for good adhesion and ease of spraying - Google Patents

Flame retardant paint contg. slate flour filler - in sodium silicate for good adhesion and ease of spraying

Info

Publication number
DE2334434A1
DE2334434A1 DE19732334434 DE2334434A DE2334434A1 DE 2334434 A1 DE2334434 A1 DE 2334434A1 DE 19732334434 DE19732334434 DE 19732334434 DE 2334434 A DE2334434 A DE 2334434A DE 2334434 A1 DE2334434 A1 DE 2334434A1
Authority
DE
Germany
Prior art keywords
paint
filler
pts
water glass
retardant paint
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.)
Pending
Application number
DE19732334434
Other languages
German (de)
Inventor
Gunnar Hillenbrandt
Wolfgang Dipl Kfm Hochmuth
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.)
CIMA INTERNATIONAL DIPL KFM W
Original Assignee
CIMA INTERNATIONAL DIPL KFM W
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 CIMA INTERNATIONAL DIPL KFM W filed Critical CIMA INTERNATIONAL DIPL KFM W
Priority to DE19732334434 priority Critical patent/DE2334434A1/en
Publication of DE2334434A1 publication Critical patent/DE2334434A1/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D1/00Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • C09D1/02Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18Fireproof paints including high temperature resistant paints

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

Slate flour is used as filler in fire retardant paint consisting of NaSiO3 and a mineral filler. It can be used alone or in conjunction with an alkaline priming coat of an aq. soln. of CaC1, Na0H and Na2SiO3 (pref. 175 pts. NaC1, 150 pts. Na0H and 366 pts. Na2SiO3 in 680 pts. H2O). Mfr. of the paint if simple. The paint shows better adhesion to the painted surface than those contg. fillers such as A12(S04)3, (NH4)P04, (NH4)2C03, sulphites, silicates, mica, asbestos etc. and avoids certain disadvantages of these, e.g. tendency to crack on drying and heating and difficulty of applying by spray methods. The filler can be ground very finely and the paint can be applied uniformly and without corrosion to wood, board, fabrics, metals etc.

Description

Cima International Dipl.Kfm.W.Hochmuth, 8510 Fürth/Bay,Cima International Dipl.Kfm.W.Hochmuth, 8510 Fürth / Bay,

Feuerhemmendes AnstrichmittelFire retardant paint

Die Erfindung betrifft ein feuerhemmendes Anstrichmittel aus Wasserglas und einem mineralischen Füllstoff.The invention relates to a fire retardant paint made of water glass and a mineral filler.

Es ist bekannt Anstriche dieser Art aus Wasserglas, Alkalilauge und mineralischen Füllstoffen wie Aluminiumsulfat, Ammoniumphosphat, Ammoniumkarbonat, Sulfite, Silikate, Glimmer, Asbest etc. herzustellen. Abgesehen davon, daß die bei den bekannten Anstrichen verwendeten Füllstoffe einen großen wirtschaftlichen Aufwand erfordern, zeigen äie auch den Mangel, daß sie beim Trocknen des Anstrichs bzw. bei Hitzeeinwirkung die Bildung von Rissen zulassen. Außerdem bereiten die erreichbaren Körnungen der Füllstoffe Schwierigkeiten beim Auftragen der Anstriche mittels Spritzapparaten.It is known paints of this type made of water glass, alkali lye and mineral fillers such as aluminum sulfate, Ammonium phosphate, ammonium carbonate, sulfites, silicates, mica, To manufacture asbestos etc. Apart from the fact that the fillers used in the known paints are large require economic effort, show aie also the shortcoming that they dry the paint or when exposed to heat allow cracks to form. In addition, the achievable grain sizes of the fillers cause difficulties Application of the paint with a spray gun.

409885/1138409885/1138

Darüber hinaus ergeben die Laugenbestandteile häufig unerwünschte Verdünnungen der Anstriche, die sich zwar durch entsprechende Wasserglas- und Füllstoffanteile kompensieren lassen, jedoch wird hierdurch die Eindringtiefe der Anstriche ungünstig beeinflußt.In addition, the lye constituents often result in undesirable thinning of the paints, although these result in Compensate for the corresponding proportions of water glass and fillers leave, but this has an adverse effect on the penetration depth of the coatings.

Aufgabe der Erfindung ist die Schaffung eines Anstrichmittels dieser Art, das einfach herzustellen ist und die Mangel der bekannten Anstriche vermeidet. Ein weiteres Ziel der Erfindung ist die Haftung des Anstrichmittels auf Anstrichflächen zu verbessern.The object of the invention is to provide a paint of this type which is easy to manufacture and which has defects of the known paints. Another object of the invention is the adhesion of the paint to painted surfaces to improve.

Nach der Erfindung ist dies erreicht durch die Anwendung von Schiefermehl als Füllstoff zum Wasserglas. Bei dem so gebildeten Anstrichmittel läßt sich der Füllstoff mit kleinsten Korngrößen vermählen und ergibt infolge seiner Ölhaltigkeit eine emulsionsartige Stoffverbindung, die sowohl streich- und spritzfähig ist. Darüber hinaus zeichnet sich das Anstrichmittel durch gute Haftungseigenschaften aus. Der Anstrich ist selbst bei starker Beflammung durch Blasenbildung infolge Gasentwicklung rißfrei und kann an beliebigen Werkstoffen, z.B. Holz, Pappe, Gewebe, Metallen usw. gleichermaßen und korrosionsfrei Anwendung finden, wobei das Anstrichmittel uneingefärbt oder mit Farbzusätzen vermischt zum Ein-According to the invention, this is achieved by using slate flour as a filler for the water glass. With the one so educated In paint, the filler can be ground with the smallest grain sizes and results from its oil content an emulsion-like substance compound that can be both brushed and sprayed. It also stands out the paint has good adhesion properties. The paint is even with strong flames by blistering free of cracks due to the development of gas and can be used on any material, e.g. wood, cardboard, fabric, metals, etc. and corrosion-free application, whereby the paint is uncolored or mixed with color additives to

409885/1138409885/1138

satz bringbar ist.sentence can be brought.

Das Anstrichmittel ist unmittelbar auf die Anstrichflächen aufbringbar oder aber gemäß weiterer Erfindung auf durch ein Vorbehandlungsmittel grundierte Anstrichflächen auftragbar. Als Vorbehandlungsmittel eignet sich eine wässerige Lösung von Kochsalz, Ätznatron und Wasserglas. Zum Herstellen eines feuerhemmenden Anstrichs wird also so vorgegangen, daß auf die Anstrichfläche, zoB. Holzfläche, zunächst eine wässerige Lösung von Kochsalz, Ätznatron und Wasserglas als Grundierungsschicht aufgebracht und nach dem Erhärten derselben als Deckschicht wasserglas mit Schiefermehl als Füllstoff aufgebracht wird. Die Zweiteilung des Herstellungsverfahrens für den Anstrich ergibt wegen der Dünnflüssigkeit der alkalischen Grundierung den Vorteil eines tiefen Eindringens derselben in die Anstrichfläche und gewährleistet, daß nach Erhärten der Grundierung eine sichere Verankerung des vorzugsweise aus zwei Teilen Wasserglas und einem Teil Schiefermehl gebildeten neutralen Anstrichmittels als Deckschicht erfolgt. Ein wirkungsvolles Grundierungsmittel ist durch Lösung von 173 Teilen Kochsalz, 150 Teilen Natronlauge und 366 Teilen Natronwasserglas in 680 Teilen destilliertem Wasser erreichbar.The paint can be applied directly to the painted surfaces or, according to a further invention, can be applied to painted surfaces primed by a pretreatment agent. An aqueous solution of common salt, caustic soda and water glass is suitable as a pretreatment agent. For producing a fire-resistant paint is thus proceeded so that the paint surface, o for example wood surface, first an aqueous solution of sodium chloride, caustic soda and water glass as a primer layer and after the hardening thereof is applied as a covering layer of water glass having slate flour as a filler. Due to the thin liquidity of the alkaline primer, the two-part division of the manufacturing process for the paint has the advantage of deep penetration of the same into the paint surface and ensures that after the primer has hardened, the neutral paint, which is preferably made of two parts of water glass and one part of slate, is securely anchored as a top layer . An effective primer can be achieved by dissolving 173 parts of common salt, 150 parts of sodium hydroxide solution and 366 parts of sodium silicate in 680 parts of distilled water.

409885/1138409885/1138

Claims (3)

7334434 Patentansprüche7334434 claims 1. Feuerhemmendes Anstrichmittel aus Wasserglas und einem mineralischen Füllstoff, gekennzeichnet durch die Anwendung von Schiefermehl als Füllstoff.1. Fire retardant paint made from water glass and a mineral filler, characterized by the use of slate flour as a filler. 2. Vorbehandlungsmittel für Anstrichmittel nach Anspruch 1, gekennzeichnet durch eine wässerige Lösung von Kochsalz, Ätznatron und Wasserglas als alkalische Grundierungsschicht.2. Pretreatment agent for paints according to claim 1, characterized by an aqueous solution of table salt, caustic soda and water glass as alkaline Primer coat. 3. Verfahren zum Herstellen eines feuerhemmenden Anstrichs mit Anstrichmittel nach Anspruch 1, dadurch gekennzeichnet, daß auf die Anstrichfläche eine wässerige Lösung von Kochsalz, Ätznatron und Wasserglas als Grundierungsschicht aufgebracht und nach dem Erhärten derselben als Deckschicht Wasserglas mit Schiefermehl als Füllstoff aufgebracht wird.3. A method for producing a fire retardant paint with paint according to claim 1, characterized in characterized in that an aqueous solution of table salt, caustic soda and water glass as the paint surface Primer layer applied and, after hardening, water glass with slate powder as a top layer is applied as a filler. 409885/ 1 1 38409885/1 1 38
DE19732334434 1973-07-06 1973-07-06 Flame retardant paint contg. slate flour filler - in sodium silicate for good adhesion and ease of spraying Pending DE2334434A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19732334434 DE2334434A1 (en) 1973-07-06 1973-07-06 Flame retardant paint contg. slate flour filler - in sodium silicate for good adhesion and ease of spraying

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732334434 DE2334434A1 (en) 1973-07-06 1973-07-06 Flame retardant paint contg. slate flour filler - in sodium silicate for good adhesion and ease of spraying

Publications (1)

Publication Number Publication Date
DE2334434A1 true DE2334434A1 (en) 1975-01-30

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ID=5886142

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732334434 Pending DE2334434A1 (en) 1973-07-06 1973-07-06 Flame retardant paint contg. slate flour filler - in sodium silicate for good adhesion and ease of spraying

Country Status (1)

Country Link
DE (1) DE2334434A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0108827A1 (en) * 1982-11-16 1984-05-23 Rolf Dr. Schwiete Process for the production of thixotropic masses based on silicates that can be used for brushing and priming

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0108827A1 (en) * 1982-11-16 1984-05-23 Rolf Dr. Schwiete Process for the production of thixotropic masses based on silicates that can be used for brushing and priming

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