[go: up one dir, main page]

WO1993014169A1 - Composition pour revetement en resine phenolique aqueuse durcissable - Google Patents

Composition pour revetement en resine phenolique aqueuse durcissable Download PDF

Info

Publication number
WO1993014169A1
WO1993014169A1 PCT/GB1993/000002 GB9300002W WO9314169A1 WO 1993014169 A1 WO1993014169 A1 WO 1993014169A1 GB 9300002 W GB9300002 W GB 9300002W WO 9314169 A1 WO9314169 A1 WO 9314169A1
Authority
WO
WIPO (PCT)
Prior art keywords
composition
emulsion
weight
phenolic resin
amount
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/GB1993/000002
Other languages
English (en)
Inventor
Geoffrey Crompton
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.)
CROMPTON GARLAND Ltd
Original Assignee
CROMPTON GARLAND Ltd
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
Priority claimed from GB929201222A external-priority patent/GB9201222D0/en
Priority claimed from GB929201662A external-priority patent/GB9201662D0/en
Application filed by CROMPTON GARLAND Ltd filed Critical CROMPTON GARLAND Ltd
Publication of WO1993014169A1 publication Critical patent/WO1993014169A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING 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
    • C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
    • C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
    • C09D161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes

Definitions

  • This invention concerns emulsions, especially for producing fire resistant coatings and materials.
  • Aqueous phenolic resin emulsions are known which contain unreacted phenol and formaldehyde.
  • the emulsions are used to impregnate and/or coat various materials, including paper, glass fibre and asbestos. They may also be used as binders for various materials, including abrasives, refractories and other aggregates.
  • the cured emulsion When the cured emulsion is subjected to fire it has, however, some disadvantages. Although the cured emulsion is classed as non-flammable, it is combustible and does burn with a yellow flame on its surface. Some smoke is also given off. Furthermore, resultant char is fragile and offers no protection to the substrate.
  • One object of this invention is to modify aqueous phenolic resin emulsions containing free phenol and formaldehyde to improve flexibility of the cured resin.
  • Another object of this invention is to modify aqueous phenolic resin emulsions containing free phenol and formaldehyde to improve fire resistant properties.
  • a composition comprising a curable aqueous phenolic resin emulsion containing free phenol and free formaldehyde and a binder in liquid form which binder imparts flexibility to the composition when the composition is cured, wherein the binder is a silicone emulsion.
  • the present invention further provides a method of coating a substrate comprising the steps of mixing a curable aqueous phenolic resin emulsion containing free phenol and free formaldehyde with a binder in li ⁇ uid form to impart flexibility to the cured coating, applying said mixture to the substrate and curing the coating, wherein the binder is a silicone emulsion.
  • the aqueous phenolic resin emulsions used in the invention ideally have one or more of the following properties:
  • composition of the invention When cured the composition of the invention ideally have one or more of the following properties:
  • the aqueous phenolic resin emulsions used in the invention preferably have relatively low amounts of free phenol and free formaldehyde.
  • free phenol is present in the emulsion in an amount of less than 5%, especially from 2 to 5% by weight and preferably free formaldehyde in an amount of less than 3%, especially from 1 to 3% by weight.
  • the emulsions used in the invention preferably have a viscosity in the range of 5 to 20 poise, although viscosities above and below that range may be useful.
  • the specific gravity of the emulsion is preferably >1.0.
  • the silicone emulsion flexible binder may be added to the components of the invention in amounts of from 1 upto 20, preferably from 3 to 7, and especially about 5% by weight of the phenolic emulsion.
  • aqueous phenolic resin emulsion may be selected from substances that give off water on heating, reinforcement, insulation materials, fire resistant additives, flexible binders and substances to improve adhesion.
  • substances that give off water on heating include alumina trihydrate and hydrated magnesium calcium carbonate.
  • Reinforcement may be any suitable form, examples only of which are fibres, powders and flakes.
  • Suitable fibrous reinforcement may be flexible or non-flexible.
  • flexible fibrous reinforcement include ceramic fibres and basalt fibres.
  • Another suitable form of reinforcement may be flakes, such as of glass, for example, borosilicate glass (C glass), which can be used to reinforce, to prevent moisture ingress and to increase fire resistance.
  • Preferred flakes are in fine plate form having a thickness of about 4 microns.
  • Insulation materials that may be included in the compositions of the invention include expanded fire clay grog powder, poraver (expanded porous glass beads) and vermiculite.
  • Fire resistant materials that may be included in the compositions of the invention include combinations of frits, such as sold under the trade name CEEPREE. Suitable substances to improve adhesion include, for example, starch.
  • a rheological control agent such as clay, may be added to the compositions of the invention in order to render them thixotropic.
  • the compositions of the invention are preferably used to provide a coating on a substrate.
  • the emulsion composition may be applied to the substrate in any suitable way, although spraying is preferred. Prior to spraying the additives are preferably vigorously mixed with the phenolic resin emulsion. Then heat is applied say up to about 135°C to cure the coating to leave a cohesive coating.
  • compositions of the invention may be used on a variety of substrates and may be modified accordingly.
  • compositions according to the invention may be used for underbody protection for motor vehicles and trains, for coating aluminium, for coating structural steel work both on and off shore and for coating panels of various types.
  • One typical emulsion composition may contain expanded fire clay grog, hydrated magnesium calcium carbonate, Ceepree, silicone emulsion, poraver and vermiculite.
  • the expanded fire clay grog, vermiculite and poraver act as heat insulation materials and the Ceepree is to binds char in the case of a fire.
  • the hydrated magnesium calcium carbonate gives off water vapour at high temperatures.
  • the silicone emulsion cures and bonds with the phenolic resin to give flexibility.
  • poraver of particle size from 0.5 to 4.0mm and both micronised and 5.0mm size vermiculite may be used in the composition to provide a quick build coating which is sprayable.
  • the sprayed coatings may be oven cured.
  • compositions of the invention may also be formulated to provide waterproof coatings -for use in areas coated with intumescent paints, which ordinarily would suffer from moisture degradation.
  • An emulsion composition containing a substance to give off water on heating and a frit mixture may be used as a precured gel coat in phenolic resin lay-up work.
  • a * gel coat for use in glass reinforced phenolic and polyester mouldings can be produced according to the invention.
  • addition of an amount of water tillable polyester resin to the phenolic emulsion can make the gel more compatible with polyester mouldings.
  • compositions of the invention may be used for forming a filling between metal sheets, such as of steel or aluminum, to form a laminate.
  • Such compositions preferably contain insulation materials, such as poraver
  • the preferred laminates are produced by sandwiching the composition of the invention between the metal sheets with a porous spacer between the sheets around the periphery thereof. Pressure may then be applied and heat may be applied simultaneously or later for curing. Possibly heat may be applied during a subsequent paint spraying treatment for the laminate.
  • the porous spacer allows water from the filling to escape as water vapour during curing.
  • the laminates with a filling having a flexible binder may be of use in forming panels for use in situations subject to vibration, such as in motor vehicles and machinery.
  • compositions of the invention may be coloured, for example, using powdered cement/concrete colourings.
  • the invention will now be further described by means of the following Examples.
  • Example 1 An aqueous phenolic resin emulsion composition was prepared by mixing the following ingredients in the amounts stated in parts by weight:
  • Aqueous phenolic resin emulsion (containing ⁇ 2% by weight free phenol and ⁇ 1% by weight free formaldehyde - viscosity 5-20 poise, specific gravity >1.0) 200 Expanded fire clay grog 20
  • the ingredients were mixed together with vigorous beating immediately prior to spraying onto a substrate. Heating the sprayed material to about 135°C effected curing to form a cohesive waterproof coating on the substrate.
  • the expanded fire clay grog, poraver and vermiculite act as high heat insulation and the Ceepree, when present, binds char in the case of a fire.
  • the Ultracarb gives off water vapour over a high temperature range.
  • the silicone cures and bonds with the emulsion to give flexibility.
  • Example 2 Aqueous phenolic resin emulsions contain solids which remain isolated from each other until heated. The addition of suitable compatible substances can result in a chemical combination of all the components when heat is applied.
  • a semi- flexible coloured coating was produced from a composition comprising the following ingredients in the amounts stated: parts by weight Aqueous phenolic resin emulsion 100 (containing ⁇ 2% by weight free phonel and ⁇ 1% by weight free formaldehyde - viscosity 5-20 poise, specific gravity >1.0)
  • Curing of the composition can be effected by heat- typically 130°C for 7 to 10 minutes depending on the thickness, or in some cases by phosphoric acid being mixed with the resin prior to the introduction of the alkaline additives into the spray, to avoid neutralisation.
  • Example 3 parts by weight Aqueous phenolic resin emulsion (containing ⁇ 2% by weight free phenol and ⁇ 1% by weight free- formaldehyde - viscosity 5-20 poise, specific gravity >1.0) 100
  • Example 4 parts by weight Aqueous phenolic resin emulsion (containing ⁇ 2% by weight free phenol and ⁇ 1% by weight free formaldehyde - viscosity 5-20 poise, specific
  • Example 5 parts by weight Aqueous phenolic resin emulsion

Landscapes

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

Abstract

Une composition destinée à revêtir des substrats se compose d'une émulsion de résine phénolique aqueuse durcissable contenant du phénol libre et de l'aldéhyde formique libre, ainsi qu'un liant sous forme liquide; ce liant donne une flexibilité à la composition lorsque cette dernière est durcie. Le liant est une émulsion de résine silicone.
PCT/GB1993/000002 1992-01-21 1993-01-04 Composition pour revetement en resine phenolique aqueuse durcissable Ceased WO1993014169A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9201222.8 1992-01-21
GB929201222A GB9201222D0 (en) 1992-01-21 1992-01-21 Fire resistant coatings and materials
GB9201662.5 1992-01-25
GB929201662A GB9201662D0 (en) 1992-01-25 1992-01-25 Fire resistant coatings and materials

Publications (1)

Publication Number Publication Date
WO1993014169A1 true WO1993014169A1 (fr) 1993-07-22

Family

ID=26300188

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1993/000002 Ceased WO1993014169A1 (fr) 1992-01-21 1993-01-04 Composition pour revetement en resine phenolique aqueuse durcissable

Country Status (2)

Country Link
AU (1) AU3260893A (fr)
WO (1) WO1993014169A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6147142A (en) * 1996-04-30 2000-11-14 Wacker-Chemie Gmbh Previously cross-linked silicone elastomer particles with an organopolymer shell as a constituent for formulating aqueous coating compositions
WO2021140319A1 (fr) * 2020-01-07 2021-07-15 Advanced Insulation Limited Revêtement pour la protection d'un substrat

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3668164A (en) * 1967-06-21 1972-06-06 Monsanto Co Aqueous resole resin composition containing a polyaminoalkyl-substituted organosiloxane copolymer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3668164A (en) * 1967-06-21 1972-06-06 Monsanto Co Aqueous resole resin composition containing a polyaminoalkyl-substituted organosiloxane copolymer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6147142A (en) * 1996-04-30 2000-11-14 Wacker-Chemie Gmbh Previously cross-linked silicone elastomer particles with an organopolymer shell as a constituent for formulating aqueous coating compositions
WO2021140319A1 (fr) * 2020-01-07 2021-07-15 Advanced Insulation Limited Revêtement pour la protection d'un substrat
US20230053078A1 (en) * 2020-01-07 2023-02-16 Advanced Innergy Ltd Coating for protecting a substrate

Also Published As

Publication number Publication date
AU3260893A (en) 1993-08-03

Similar Documents

Publication Publication Date Title
RU2552507C2 (ru) Армированные волокнами прочные строительные материалы и покрытия, содержащие неорганические связующие
AU575466B2 (en) Metal-coated hollow microspheres
US4879066A (en) Fire retardant additives and their uses
CA1046203A (fr) Colle ignifuge a teneur de silicates
JPH0772250B2 (ja) 無溶剤の常温硬化型オルガノシロキサン組成物及びその製造方法ならびにその用途
JPH073163A (ja) 無溶剤のオルガノシロキサン液組成物とその用途
CA2039462A1 (fr) Enduits superficiels sechant a la temperature ambiante ainsi que les methodes de production et le mode d'application de ces enduits
KR102076789B1 (ko) 납석을 이용한 불연성 도료 조성물
JPH05230375A (ja) 加熱型の無溶剤無触媒オルガノシロキサン組成物とそ の用途
US4483713A (en) Compositions for preparing inorganic foamed bodies
EP0589461B1 (fr) Matériau réfractaire, procédé de son préparation et son utilisation
WO1993014169A1 (fr) Composition pour revetement en resine phenolique aqueuse durcissable
EP1697274B1 (fr) Pate inorganique pare-feu ou calorifuge, son utilisation, et pieces moulees produites a partir de cette pate
JPH02107691A (ja) シーリング材
KR20110012682A (ko) 기능성 무기 도료 조성물, 이를 이용한 제품 및 그 용도
JP2004250310A (ja) 繊維粉末含有無機系接着性組成物
RU2093357C1 (ru) Способ получения защитно-декоративного покрытия
JPS62227966A (ja) 防振用塗膜形成材料
JPH05311091A (ja) 耐水性無機バインダー
JPS5935938A (ja) 耐火断熱シ−ト
JP3533262B2 (ja) 無機質板の塗装方法
JPS589883A (ja) 無機接着剤の厚膜硬化方法
KR20140139187A (ko) 폐우레탄수지를 이용한 불연성 무기질 바인더 조성물
JPH0463835B2 (fr)
JPH0114188B2 (fr)

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AT AU BB BG BR CA CH DE DK ES FI GB HU JP KP KR LK LU MG MN MW NL NO PL RO RU SD SE US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN ML MR SN TD TG

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase

Ref country code: CA