GB2113237A - Texturing material - Google Patents

Texturing material Download PDF

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Publication number
GB2113237A
GB2113237A GB08234150A GB8234150A GB2113237A GB 2113237 A GB2113237 A GB 2113237A GB 08234150 A GB08234150 A GB 08234150A GB 8234150 A GB8234150 A GB 8234150A GB 2113237 A GB2113237 A GB 2113237A
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GB
United Kingdom
Prior art keywords
texturing material
material according
weight
texturing
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.)
Granted
Application number
GB08234150A
Other versions
GB2113237B (en
Inventor
John Arthur Acey
Michael David George Pearce
Andrew John Fricker
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.)
BPB Ltd
Original Assignee
BPB Industries PLC
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 BPB Industries PLC filed Critical BPB Industries PLC
Publication of GB2113237A publication Critical patent/GB2113237A/en
Application granted granted Critical
Publication of GB2113237B publication Critical patent/GB2113237B/en
Expired legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02Macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/46Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)
  • Paper (AREA)

Abstract

A texturing material suitable for building surfaces comprises a filler, for example a mineral filler such as whiting, together with pre-gelatinised cross-linked starch and gelatin. Preferably, the starch is in an amount from 0.2% to 5% by weight of the material, and the gelatin is in an amount of from 1.9% to 10% by weight. The material may also contain other binders such as cellulose ethers, and colourants, preservatives and wetting agents. Such texturing materials, after admixture of water, have good water retention, slip and pseudoplasticity properties.

Description

SPECIFICATION Texturing material The invention relates to texturing materials for use on the surfaces of building structures.
Texturing materials consist basically of a filler and an organic binder, and are required to have the following properties after admixture of water: water retention; slip, to facilitate spreading; and pseudoplasticity in order that it does not slump or reflow after application and before drying. In the past, these properties have been imparted to such materials by the addition of asbestos. However, in view of concern about health risks associated with asbestos, a suitable alternative has been desired.
Various additives have been proposed for this purpose, such as cellulose ethers and starches, but all have provided materials which have been deficient in at least one of the desirable properties noted above.
US 4 287 103 of Georgia-Pacific Corporation discloses a joint filling material comprising a gelatinised starch and a filler, with a synthetic binder such as an emulsion of ethylene vinyl acetate copolymer. This material, whilst suitable for use as a filling material, is found to be quite unsuitable for texturing purposes.
It has now been found that these desirable properties can be achieved by incorporating in the material the combination of a pre-gelatinised cross-linked starch and a gelatin binder. Other binders such as cellulose ethers may be included, and additives such as colourants, preservatives and wetting agents may be used.
According to the invention there is provided a texturing material, for application to building or other surfaces after admixture of water, comprising a filler, a pre-gelatinised cross-linked starch, and gelatin.
Preferably, the pre-gelatinised cross-linked starch is added in an amount of from 0.2% to 5% by weight of material, depending on the type of starch used and the degree of cross-linking. The gelatine is preferably added in an amount of from 1.9% to 10% by weight of the material, and particularly preferably in an amount of from 2.7% to 4% by weight.
The following are examples of texturing compositions according to the invention. The compositions are to be mixed with water before use, in a conventional manner.
Example 1 Parts per thousand by weight Whiting 694.5 Calcium sulphate hemihydrate 192 Mica 75 Technical Gelatine 31 Pre-gelatinised cross-linked starch (Paselli P, Tunnel Avebe Ltd) 4.7 Methyl cellulose 1.8 Preservative 1 Example 2 Parts per thousand by weight Whiting 687 Calcium sulphate Hemihydrate 189.3 Mica 74 Technical Gelatine 31 Pre-gelatinised cross-linked starch (Snowflake 12615, CPC (UK) Ltd) 11.6 Sodium tripolyphosphate 3.7 Hydroxypropylmethylcellulose 1.8 Preservative 1.6 Example 3 Parts per thousand by weight Whiting 692 Calcium Sulphate Hemihydrate 190.4 Mica 75 Technical Gelatine 31 Sodium Tripolyphosphate 0.9 Pregelatinised Cross Linked starch (Snowflake 12615) 7.9 Methyl Cellulose 1.2 Preservative 1.6 Example 4 Parts per thousand by weight Whiting 693 Calcium Sulphate Hemihydrate 191 Mica 75 Technical Gelatine 31 Sodium Tripolyphosphate 0.9 Pregelatinised Cross Linked starch (Emjel 300) 6.4 Methyl Cellulose 1.1 Preservative 1.6 Example 5 Parts per thousand by weight Whiting 686 Calcium Sulphate Hemihydrate 189 Mica 74.3 Technical Gelatine 30.5 Sodium Tripolyphosphate 2.8 Pregelatinised Cross Linked starch (Emjel 200) 13.9 Methyl Cellulose 1.9 Preservative 1.6 Example 6 Parts per thousand by weight Whiting 695 Calcium Sulphate Hemihydrate 191 Mica 75 Technical Gelatine 31 Pregelatinised Cross Linked starch (Passeli P) 4.6 Ethyl Hydroxyethyl Cellulose 1.8 Preservative 1.6 Example 7 Parts per thousand by weight Whiting 695 Calcium Sulphate Hemihydrate 191 Mica 74.9 Technical Gelatine 30.9 Pregelatinised Cross Linked starch (Passeli P) 4.7 Sodium Carboxy Methyl Cellulose 1.9 Preservative 1.6 Example 8 Parts per thousand by weight Whiting 689 Calcium Sulphate Hemihydrate 190 Mica 74.4 Snowflake 12615 (pre-gelatinised cross linked starch) 14.9 Sodium Poiyphosphate 1.7 Technical Gelatine 30 Example 9 Parts per thousand by weight Whiting 648 Calcium Sulphate Hemihydrate 178 Snowflake 12615 22.7 Sodium Polyphosphate 1.7 Technical Gelatine 79.6 Mica 70 Example 10 Parts per thousand by weight Whiting 687.4 Calcium Sulphate Hemihydrate 189.2 Mica 74.2 Sodium Polyphosphate 1.9 Snowflake 12615 14.8 Technical Gelatine 32.5 Example 11 Parts per thousand by weight Whiting 657.5 Calcium Sulphate Hemihydrate 181 Mica 71 Sodium Polyphosphate 1.8 Snowflake 12615 14.2 Technical Gelatine 74.5 Example 12 Parts per thousand by weight Whiting 670 Calcium Sulphate Hemihydrate 184.4 Mica 72.3 Sodium Polyphosphate 1.8 Snowflake 12615 16.3 Technical Gelatine 55.2 Example 13 Parts per thousand by weight Whiting 693 Calcium Sulphate Hemihydrate 191 Mica 74.8 Sodium Polyphosphate 1.9 Snowflake 12615 16.8 Technical Gelatine 22.5 Example 14 Parts per thousand by weight Whiting 666.4 Calcium Sulphate Hemihydrate 183.5 Mica 72 Sodium Polyphosphate 1.8 Snowflake 12615 16 Technical Gelatine 60.3 Example 15 Parts per thousand by weight Whiting 695 Calcium Sulphate Hemihydrate 191.4 Mica 75 Sodium Polyphosphate 1.9 Snowflake 12615 17 Technical Gelatine 19.7 The gelatine used in examples 1 to 7 has a gel strength of 120 bloomgrammes and viscosity of 39.5 millipoise; that used in examples 8 and 9 a gel strength of 71 bloomgrammes and a viscosity of 29.5 millipoise; that used in examples 10 and 11 a gel strength of 90 bloomgrammes and a viscosity of 33.5 millipoise; that used in examples 12 and 13 a gel strength of 1 55 bloomgrammes and a viscosity of 59 millipoise; and that used in examples 14 and 1 5 a gel strength of 1 95 bloomgrammes and a viscosity of 71 millipoise. Gel strength measurements were carried out on a Bloom gelometer at 1 00C, and viscosities were measured at 600 C.
The calcium sulphate hemihydrate used in the examples may be replaced by calcium sulphate dihydrate, with no effect on the properties of the texturing material. The whiting may be replaced by other carbonate fillers. For more rapid wetting out when the above materials are mixed with water, a powder wetting agent such as tripolyphosphate or sodium hexametaphosphate (Calgon) may be added.
Materials according to the invention are particularly suitable for texturing applications, but may also be used for jointing and filling purposes.

Claims (9)

Claims 1. A texturing material, for application to building or other surfaces after admixture of water, comprising a filler, a pre-gelatinised cross-linked starch, and gelatin. 2. A texturing material according to claim 1 in which the gelatin is added in an amount of from 1.9% to 10% by weight of texturing material. 3. A texturing material according to claim 1 or 2, in which the gelatine is added in an amount of from 2.7% to 4% by weight of texturing material. 4. A texturing material according to claim 1,2 or 3, in which the pre-gelatinised starch is added in an amount of from 0.2% to 5% by weight of texturing material. 5. A texturing material according to any previous claim further comprising a cellulose ether. 6. A texturing material according to any previous claim in which the filler is one or more of whiting, calcium sulphate hemihydrate, calcium sulphate dihydrate and mica. 7. A texturing material according to any previous claim further comprising one or more of colourants, preservatives and wetting agents. 8. A texturing material according to any of Examples 1 to 1 5. New claims filed on 4 March 1983. Superseded claims 1-8. New or amended claims:
1. A texturing material, for application to building or other surfaces after admixture of water, in the form of a dry mixture comprising a filler, a pre-gelatinised cross-linked starch, and gelatin.
2. A texturing material according to claim 1 in which the gelatin is present in an amount of from 1.9% to 10% by weight of texturing material.
3. A texturing material according to claim 1 or 2, in which the gelatine is present in an amount of from 2.7% to 4% by weight of texturing material.
4. A texturing material according to claim 1, 2 or 3, in which the pre-gelatinised starch is present in an amount of from 0.2% to 5% by weight of texturing material.
5. A texturing material according to any previous claim further comprising a cellulose ether.
6. A texturing material according to any previous claim in which the filler is one or more of whiting, calcium sulphate hemihydrate, calcium sulphate do hydrate and mica.
7. A texturing material according to any previous claim further comprising one or more of colourant, preservatives and wetting agents.
8. A texturing material according to any of Examples 1 to 1 5.
9. A method of providing a textured finish on a building or other surface comprising; providing a dry composition comprising a filler, a pre-gelatinised cross-linked starch and gelatin; admixing the dry composition with water to form a wet mix; and applying the wet mix to the building or other surface.
GB08234150A 1981-12-04 1982-11-30 Texturing material Expired GB2113237B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8136839 1981-12-04

Publications (2)

Publication Number Publication Date
GB2113237A true GB2113237A (en) 1983-08-03
GB2113237B GB2113237B (en) 1985-10-16

Family

ID=10526420

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08234150A Expired GB2113237B (en) 1981-12-04 1982-11-30 Texturing material

Country Status (9)

Country Link
AU (1) AU550240B2 (en)
BE (1) BE895206A (en)
CA (1) CA1176405A (en)
FR (1) FR2517727B1 (en)
GB (1) GB2113237B (en)
IE (1) IE53880B1 (en)
LU (1) LU84502A1 (en)
NZ (1) NZ202668A (en)
ZA (1) ZA828827B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT406157B (en) * 1998-09-07 2000-03-27 B C D Rohstoffe Fuer Bauchemie METHOD FOR PRODUCING PORE-FORMING PARTICLES FOR CONCRETE OR MORTAR

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2797881A1 (en) * 1999-08-26 2001-03-02 Lorraine Laminage STARCH-BASED TREATMENT COMPOSITION AND METHOD OF APPLICATION ON A METAL SURFACE, ESPECIALLY STEEL

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2489793A (en) * 1947-01-23 1949-11-29 Universal Atlas Cement Company Low water loss cement containing pregelatinized starch
DE1126792B (en) * 1958-09-05 1962-03-29 Ici Ltd Dry mortar mix
GB984647A (en) * 1963-03-29 1965-03-03 Bellrock Gypsum Ind Ltd Improvements in and relating to plaster compositions
US3411926A (en) * 1966-08-01 1968-11-19 Staley Mfg Co A E Joint cement
US4287103A (en) * 1980-02-11 1981-09-01 Georgia-Pacific Corporation Joint composition including starch
IT1128437B (en) * 1980-04-30 1986-05-28 Giovanni Tosco MATERIAL FOR COATING OF SURFACES IN GENERAL BASED ON TEXTILE FIBERS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT406157B (en) * 1998-09-07 2000-03-27 B C D Rohstoffe Fuer Bauchemie METHOD FOR PRODUCING PORE-FORMING PARTICLES FOR CONCRETE OR MORTAR

Also Published As

Publication number Publication date
AU550240B2 (en) 1986-03-13
BE895206A (en) 1983-06-01
ZA828827B (en) 1983-11-30
GB2113237B (en) 1985-10-16
CA1176405A (en) 1984-10-23
IE822835L (en) 1983-06-04
LU84502A1 (en) 1983-06-13
FR2517727A1 (en) 1983-06-10
AU9106882A (en) 1983-06-09
IE53880B1 (en) 1989-03-29
FR2517727B1 (en) 1987-02-20
NZ202668A (en) 1985-03-20

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Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20021129