GB2501093A - Powder paint dispersion composition - Google Patents

Powder paint dispersion composition Download PDF

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Publication number
GB2501093A
GB2501093A GB1206404.4A GB201206404A GB2501093A GB 2501093 A GB2501093 A GB 2501093A GB 201206404 A GB201206404 A GB 201206404A GB 2501093 A GB2501093 A GB 2501093A
Authority
GB
United Kingdom
Prior art keywords
paint
powder paint
dispersant
water
sodium
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.)
Withdrawn
Application number
GB1206404.4A
Other versions
GB201206404D0 (en
Inventor
Stuart Ross Rhind Harling
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1206404.4A priority Critical patent/GB2501093A/en
Publication of GB201206404D0 publication Critical patent/GB201206404D0/en
Priority to GB1417933.7A priority patent/GB2514741A/en
Priority to PCT/GB2013/050891 priority patent/WO2013153366A1/en
Priority to PCT/GB2013/050890 priority patent/WO2013153365A1/en
Priority to GB1417942.8A priority patent/GB2515692A/en
Publication of GB2501093A publication Critical patent/GB2501093A/en
Withdrawn legal-status Critical Current

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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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/02Emulsion paints including aerosols
    • C09D5/024Emulsion paints including aerosols characterised by the additives
    • 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
    • C09D5/03Powdery paints
    • C09D5/033Powdery paints characterised by the additives
    • 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
    • C09D189/00Coating compositions based on proteins; Coating compositions based on derivatives thereof
    • 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
    • C09D189/00Coating compositions based on proteins; Coating compositions based on derivatives thereof
    • C09D189/005Casein
    • 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/45Anti-settling agents
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • C08K2003/262Alkali metal carbonates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/32Phosphorus-containing compounds
    • C08K2003/321Phosphates
    • C08K2003/324Alkali metal phosphate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/16Halogen-containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/15Heterocyclic compounds having oxygen in the ring
    • C08K5/151Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring

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

Abstract

A soluble dispersant composition for a powder paint, wherein the composition comprises sodium chloride, sodium, carbonate, sodium phosphate, and sucrose. Typically, the composition contains 1-50% sodium chloride, 1-50% sodium carbonate, 1-50% sodium phosphate, and 1-50% sucrose. In use, the dispersant composition may be added to water in an amount of 5-25 wt.%, which is intended to be added to the powder paint. Alternatively, the dispersant composition may be formulated as a particulate to be included in the powder paint itself. The paint is preferably a natural paint, such as one made from proteins derived from milk, eggs, rice or soy.

Description

Title: Soluble Powder Paint Dispersant
Background:
This invention relates to the fields of architectural or decorative coatings and paints in general and, more particularly, to binder compositions made from proteins and other natural materials in dry powder form.
Even more particularly the present invention relates to such binders within a dry powder paint formulation as will combine with a variety of liquids and other materials to achieve a range of different surface finishes, textures and appearances.
The increasing cost and scarcity of petrochemical-based paint ingredients creates renewed interest in the development of paint binders manufactured from sustainable materials such as animal and vegetable proteins, plant extracts, natural oils, g urns and resins.
It has long been known that tolerable and sustainable paints can be produced from a range of earth minerals and natural materials in a dry powder form to be mixed by the user with water and other liquids in the amounts required at time of use.
These natural' paints, often include binders developed from milk and plant proteins, in liquid or dry forms, and are of ancient origins. Such paints in dry-powder form, wherein the binder is the most critical component, have been variously referred to as milk paints; casein paints; casein-lime distempers; rice glue paints, soy paints, calcimines; etc. A number of formulations for such dry powder paint binders and paints have been granted patents in various countries over a period of rnany years and these have been reviewed in pursuance of this application, in particular US 2636829 A and GB 2443026 B. Recent advances have focused on the introduction of paint binders and paints in dry powder format which have the added advantage of reduced size and weight leading to cost and environmental advantages in storage and transport.
One of the perceived drawbacks over conventional liquid paints is the vans bility of liquids, in particular water, used to mix with the dry powder binder or paint arising from the particular hardness' and alkali nity (ph) level of local water and any local pollutant material.
Hardness of water is usually caused by dissolved salts, notably Calcium Carbonate, and can be measured in terms of Mg/L on a Scale from Soft' (0-60) to Very Hard' (>181 Mg/L). In practical terms, local water sources can vary from 10 parts per million of Calcium Carbonate to over l000ppm.
Alkalinity (or pH) is a measure of the acidity or basicity of an aqueous solution. Pure water is neutral, with a pH close to 7.0 at 25 °C (77 °F).
Solutions with a pH less than 7 are said to be acidic and solutions with a ph greater than 7 are basic or alkaline. Palatable drinking water usually has a pH level of around 8.5.
Because the proteins found in dry powder paint binders, notably casein, rice and soy, are not soluble in neutral water but only in an acidic or a basic solution, an activator is used to raise the ph levels and the original ph level of the water in which the dry powder paint is mixed is therefore of significance.
Simila ny the carbonate content (measured in ppm) of the local water used to mix with dry powder paint binders and paints, which contain minerals such as kaolin, chalk and talc, can already be at such a high level that precipitation of carbonate particles can occur, causing gritty texture to the paint and an unsatisfactory finish.
Therefore there are benefits from improved dispersion of such dry-powder paint binder and paint products which result in easier and more tolerant mixing with water at various ph and hardness levels
Description of Invention
The expansion of biologically' based paint ingredients produced with a number of animal and plant proteins has opened up the opportunity for more sustainable and environmentally friendly products in the fields of architectural and decorative coatings.
These bio-paints' contain proteins sourced from sources such as milk, egg, rice, soy and other natural materials.
It is well known that the characteristics of such proteins are affected by such factors as p11, hardness, ion intensity and presence of fats and other proteins.
The impact of these factors and denaturation of the protein(s) from the mixing water used for dry powder paint binders and paints can be reduced through the use of the Soluble Powder Paint Dispersant thus described.
This invention relates to the development of a Soluble Powder Paint Dispersant' being an additive composition to aid the dispersion of powder paint binders and powder paints in water of unknown hardness and alkalinity.
The invention consists of a mixed and ground powder material corn prising varying quantities and combinations of sodium chloride, sodium carbonate, sodium phosphate and the disaccharide, sucrose. The resulting powder contains particles of uniform composition and which will pass through a mesh sieve.
The dispersa nt can be pre dissolved in the mixing water for such paints or included as a fine ground powder with the paint product, to aid dispersion of powder paint binders and paints in water of variable hardness and alkalinity.
The percentage of this dispersant product to be added to powder paint binder and powdered paint products can be varied from 1 to lO%.
The beneficial effect of the dispersant and its components can be understood as follows: A common method for water softening involves the use ol ion exchange resins, which replace ions like Ca2 by twice the number of rnonocations such as sodium or potassium ions.
In the dispersant product the action of Sodium Chloride and Sodium Carbonate will provide an ionic balance to the mixing water.
It is known in the field of food technologies, that the potential denaturation of proteins due to heat can be reduced through the addition of Sugar solutions.
In the d ispersant prod uct the presence of the disaccharide, Sucrose, will increase the temperature range at which possible denaturation of the protein will take place.
It is known in the field of laundry products and waste water treatment, that proteins can be affected and denatured by interaction with oils, fats, grease and tallow.
In the dispersant product the presence of sodium phosphate is a degreaser and sufficiently alkaline in solution to saponify quantities of oils, grease, fats or tallow present in solution.
Advantages of this invention: In the development of powder based paint binder and paint products using proteins from animal and vegetable sources, the consistency and reliability of the product can be affected by mixing water. This can result in unsatisfactory thickening of the paint product, loss of adhesion, gritty particles in the texture of the paint.
With the addition of this dispersant, I have found it possible for a satisfactory paint product to be produced within the normal variation of hardness', pH and oil or fat traces found within water provided for public consumption.
I have also found that the performance of powder paint samples when mixed with distilled water at a pH of 7.0 to be similar to the performance of paint samples with the dispersant added and then mixed with other waters generally provided.
Procedure: Weigh and place all the ingredients of the dispersant in a suitable mixing and particle reduction machine.
Subject the mixture to a series of grinding processes for approximately until all are intimately mixed and cut to a size of between 65-70 microns (c. 200 mesh).

Claims (7)

  1. Claims: What is claimed is: 1. The production of a Soluble Powder Paint Dispersant wherein the ingredients comprise Sodium Chloride, Sodium Carbonate, Sodium Phosphate and Sucrose.
  2. 2. Production of a dispersant according to claim 1 wherein the % by weight of Sodium Chloride is between 1 and 50%.
  3. 3. Production of a dispersant according to claim 1 wherein the % by weight of Sodium Carbonate is between 1 and 50%.
  4. 4. Production of a dispersant according to claim 1 wherein the % by weight of Sodium Phosphate is between 1 and 50%.
  5. 5. Production of a dispersant according to claim 1 wherein the % by weight of Sucrose is between 1 and 50010.
  6. 6. Production of a dispersant according to claims 1 to 5 wherein the particles are uniformly and consistently reduced to pass through a hole mesh.
  7. 7. Production of a liquid dispersant according to claims ito 5 wherein the Soluble Powder Paint dispersant is dissolved in water at a percentage by weight of between 5 and 25%.
GB1206404.4A 2012-04-10 2012-04-11 Powder paint dispersion composition Withdrawn GB2501093A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB1206404.4A GB2501093A (en) 2012-04-11 2012-04-11 Powder paint dispersion composition
GB1417933.7A GB2514741A (en) 2012-04-10 2013-04-05 Composition for use as a paint binder
PCT/GB2013/050891 WO2013153366A1 (en) 2012-04-10 2013-04-05 Composition for use as a paint binder
PCT/GB2013/050890 WO2013153365A1 (en) 2012-04-10 2013-04-05 Composition for use as a paint binder
GB1417942.8A GB2515692A (en) 2012-04-10 2013-04-05 Composition for use as a paint binder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1206404.4A GB2501093A (en) 2012-04-11 2012-04-11 Powder paint dispersion composition

Publications (2)

Publication Number Publication Date
GB201206404D0 GB201206404D0 (en) 2012-05-23
GB2501093A true GB2501093A (en) 2013-10-16

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ID=46177170

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1206404.4A Withdrawn GB2501093A (en) 2012-04-10 2012-04-11 Powder paint dispersion composition

Country Status (1)

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GB (1) GB2501093A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2628101A (en) * 2023-03-13 2024-09-18 Ross Rhind Harling Stuart Binder composition

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB461408A (en) * 1936-06-18 1937-02-16 Hugo Terra Improvements in a relating to ink, and a process for making the same
GB979273A (en) * 1961-03-06 1965-01-01 Rotaprint Ag Method of preparing dry surface-printing ink
GB2443026A (en) * 2006-10-19 2008-04-23 Stuart Ross Rhind Harling Paint binder compound
US20120070584A1 (en) * 2010-09-21 2012-03-22 Sanford, L.P. Highlighting Ink Formulation Comprising an Anti-Smear Agent

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB461408A (en) * 1936-06-18 1937-02-16 Hugo Terra Improvements in a relating to ink, and a process for making the same
GB979273A (en) * 1961-03-06 1965-01-01 Rotaprint Ag Method of preparing dry surface-printing ink
GB2443026A (en) * 2006-10-19 2008-04-23 Stuart Ross Rhind Harling Paint binder compound
US20120070584A1 (en) * 2010-09-21 2012-03-22 Sanford, L.P. Highlighting Ink Formulation Comprising an Anti-Smear Agent

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2628101A (en) * 2023-03-13 2024-09-18 Ross Rhind Harling Stuart Binder composition
WO2024189316A1 (en) 2023-03-13 2024-09-19 Harling Stuart Ross Rhind Binder composition

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Publication number Publication date
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