Description:TITLE OF THE INVENTION: A WHITE CEMENT-FREE WALL PUTTY COMPOSITION
FIELD OF THE INVENTION
The present disclosure is generally related to compositions. Particularly, the present disclosure is related to wall putty compositions. More particularly, the present disclosure is related to a white cement-free wall putty composition.
BACKGROUND OF THE INVENTION
Putties are decorative materials that are particularly used, on walls and ceilings. They provide a very strong foundation, for paints, and bring out a rich look. However, the putties, which are currently available, suffer from at least the drawback of comprising white cement, which is one of the most polluting substances, on the planet.
There is, therefore, a need in the art, for a white cement-free wall putty composition, which overcomes the aforementioned drawbacks and shortcomings.
SUMMARY OF THE INVENTION
A wall putty composition is disclosed. Said composition broadly comprises: hydraulic cement; an inert filler; a water retaining polymer; an organic binder; performance enhancers; and pozzolanic reaction initiators.
In an embodiment, concentration of said hydraulic cement ranges between about 10% by weight and about 35% by weight.
In an embodiment, concentration of said inert filler ranges between about 60% by weight and about 90% by weight.
In an embodiment, concentration of said water retaining polymer ranges between about 0.01% by weight and about 0.75% by weight.
In an embodiment, concentration of said organic binder ranges between about 0.1% by weight and about 5% by weight.
In an embodiment, said performance enhancers comprise: a superplasticizer; aluminium phosphate; and cellulose fibres.
In an embodiment, concentration of said superplasticizer ranges between about 0.05% by weight and about 1% by weight.
In an embodiment, concentration of said aluminium phosphate ranges between about 0.01% by weight and about 5% by weight.
In an embodiment, concentration of said cellulose fibres ranges between about 0.01% by weight and about 2% by weight.
In an embodiment, said pozzolanic reaction initiators comprise: sodium silicate; aluminium hydroxide; and calcium aluminate.
In an embodiment, concentration of said sodium silicate ranges between about 0.01% by weight and about 3% by weight.
In an embodiment, concentration of said aluminium hydroxide ranges between about 0.01% by weight and about 4% by weight.
In an embodiment, concentration of said calcium aluminate ranges between about 0.01% by weight and about 5% by weight.
The disclosed composition offers at least the synergistic advantages and effects: does not comprise white cement; high strength (no sagging); can be recoated, after between about 3 hours and about 4 hours; low pH (10); meets water-resistance requirements; and is environmentally friendly.
DETAILED DESCRIPTION OF THE INVENTION
Throughout this specification, the use of the words “comprise” and “include”, and variations, such as “comprises”, “comprising”, “includes”, and “including”, may imply the inclusion of an element (or elements) not specifically recited. Further, the disclosed embodiments may be embodied, in various other forms, as well.
Throughout this specification, the words “the” and “said” are used interchangeably.
Throughout this specification, the disclosure of a range is to be construed as being inclusive of: the lower limit of the range; and the upper limit of the range.
Also, it is to be noted that embodiments may be described as a method. Although the operations, in a method, are described as a sequential process, many of the operations may be performed in parallel, concurrently, or simultaneously. In addition, the order of the operations may be re-arranged. A method may be terminated, when its operations are completed, but may also have additional steps.
A white cement-free wall putty composition (also referred to as “composition”) is disclosed. In an embodiment of the present disclosure, said composition broadly comprises: hydraulic cement; an inert filler; a water retaining polymer; an organic binder; performance enhancers; and pozzolanic reaction initiators.
In another embodiment of the present disclosure, said hydraulic cement is Portland Slag Cement (IS 455:2015).
In yet another embodiment of the present disclosure, concentration of said Portland Slag Cement ranges between about 10% by weight and about 35% by weight.
In yet another embodiment of the present disclosure, said inert filler is calcium carbonate powder, of particle size that ranges between about 20 microns and about 45 microns.
In yet another embodiment of the present disclosure, concentration of said calcium carbonate powder ranges between about 60% by weight and about 90% by weight.
In yet another embodiment of the present disclosure, said water retaining polymer is non-ionic and water soluble cellulose ether (also referred to as “cellulose ether”), of BF viscosity that is about 45,000 cP.
In yet another embodiment of the present disclosure, concentration of said cellulose ether ranges between about 0.01% by weight and about 0.75% by weight.
In yet another embodiment of the present disclosure, said organic binder is a copolymer of vinyl acetate and ethylene that is dispersible in water (also referred to as “copolymer”).
In yet another embodiment of the present disclosure, concentration of said copolymer ranges between about 0.1% by weight and about 5% by weight.
In yet another embodiment of the present disclosure, said performance enhancers comprise: a superplasticizer; aluminium phosphate; and cellulose fibres.
In yet another embodiment of the present disclosure, said superplasticizer is sulphonated melamine formaldehyde condensate. Concentration of said sulphonated melamine formaldehyde condensate ranges between about 0.05% by weight and about 1% by weight.
In yet another embodiment of the present disclosure, concentration of said aluminium phosphate ranges between about 0.01% by weight and about 5% by weight.
In yet another embodiment of the present disclosure, concentration of said cellulose fibres ranges between about 0.01% by weight and about 2% by weight.
In yet another embodiment of the present disclosure, the cellulose fibre is cotton. Said cotton is purchased from the local market.
In yet another embodiment of the present disclosure, said pozzolanic reaction initiators comprise: sodium silicate; aluminium hydroxide; and calcium aluminate.
In yet another embodiment of the present disclosure, concentration of said sodium silicate ranges between about 0.01% by weight and about 3% by weight.
In yet another embodiment of the present disclosure, concentration of said aluminium hydroxide ranges between about 0.01% by weight and about 4% by weight.
In yet another embodiment of the present disclosure, concentration of said calcium aluminate ranges between about 0.01% by weight and about 5% by weight.
In yet another embodiment of the present disclosure, said composition comprises water (for example, about 33% by weight).
In yet another embodiment of the present disclosure, said composition is synthesised, by uniformly mixing all components of said composition, and stirring, for between about 10 minutes and about 15 minutes.
EXAMPLE:
Portland Slag Cement: About 180 grams;
Calcium Carbonate Powder: About 794.2 grams;
Cellulose Ether: About 3.6 grams;
Copolymer: About 1.7 grams;
Superplasticizer: About 1 gram;
Aluminium Phosphate: About 1 gram;
Cellulose Fibres: About 1 gram;
Sodium Silicate: About 2.5 grams;
Aluminium Hydroxide: About 10 grams; and
Calcium Aluminate: About 5 grams
The disclosed composition was tested, through standard methods, which are known in the art, and compared, with three different industrially standard compositions. The results obtained were as follows:
Characteristic Industrial Standards Disclosed Composition
Whiteness (%) About 86 to About 89 About 58.1
Bulk Density (kg/m3) About 940 to About 960 About 1,029
Residue on 240 Mesh (%) About 1.9 to About 5.3 About 3.7
Water Demand (%) About 34 to About 36 About 33
Cracks (about 24 hours to about 48 hours) No No
Chalking No No
Pot Life > About 120 Days > About 300 Days
Compressive Strength (MPa; About 14 Days) About 3.5 to About 5.5 About 4.8
Tensile Adhesion (MPa; About 14 Days) About 0.72 to About 0.8 About 1

The disclosed composition offers at least the synergistic advantages and effects: does not comprise white cement; high strength (no sagging); can be recoated, after between about 3 hours and about 4 hours; low pH (10); meets water-resistance requirements; and is environmentally friendly.
It will be apparent to a person skilled in the art that the above description is for illustrative purposes only and should not be considered as limiting. Various modifications, additions, alterations, and improvements, without deviating from the spirit and the scope of the disclosure, may be made, by a person skilled in the art. Such modifications, additions, alterations, and improvements should be construed as being within the scope of this disclosure. , Claims:1. A high strength and white cement-free wall putty composition, comprising:
Portland Slag Cement, with concentration of said Portland Slag Cement ranging between 10% by weight and 35% by weight;
calcium carbonate powder, with:
particle size of said calcium carbonate powder ranging between 20 microns and 45 microns; and
concentration of said calcium carbonate powder ranging between 60% by weight and 90% by weight;
cellulose ether, with concentration of said cellulose ether ranging between 0.01% by weight and 0.75% by weight;
a copolymer of vinyl acetate and ethylene, with concentration of said copolymer of vinyl acetate and ethylene ranging between 0.1% by weight and 5% by weight;
a superplasticizer, with concentration of said superplasticizer ranging between 0.05% by weight and 1% by weight;
aluminium phosphate, with concentration of said aluminium phosphate ranging between 0.01% by weight and 5% by weight;
cellulose fibres, with concentration of said cellulose fibres ranging between 0.01% by weight and 2% by weight;
sodium silicate, with concentration of said sodium silicate ranging between 0.01% by weight and 3% by weight;
aluminium hydroxide, with concentration of said aluminium hydroxide ranging between 0.01% by weight and 4% by weight; and
calcium aluminate, with concentration of said calcium aluminate ranging between 0.01% by weight and 5% by weight.
2. The high strength and white cement-free wall putty composition, as claimed in claim 1, wherein:
amount of said Portland Slag Cement, in said composition, is 180 grams;
amount of said calcium carbonate powder, in said composition, is 794.2 grams;
amount of said cellulose ether, in said composition, is 3.6 grams;
amount of said copolymer of vinyl acetate and ethylene, in said composition, is 1.7 grams;
amount of said superplasticizer, in said composition, is 1 gram;
amount of said aluminium phosphate, in said composition, is 1 gram;
amount of said cellulose fibres, in said composition, is 1 gram;
amount of said sodium silicate, in said composition, is 2.5 grams;
amount of said aluminium hydroxide, in said composition, is 10 grams; and
amount of said calcium aluminate, in said composition, is 5 grams.
3. The high strength and white cement-free wall putty composition, as claimed in claim 1 or claim 2, wherein: said superplasticizer is sulphonated melamine formaldehyde condensate.
4. The high strength and white cement-free wall putty composition, as claimed in claim 1, claim 2, or claim 3, wherein: said composition comprises water.