WO1984000568A1

WO1984000568A1 - A colouring composition

Info

Publication number: WO1984000568A1
Application number: PCT/AU1983/000100
Authority: WO
Inventors: Paul Joseph O'sullivan
Original assignee: Epping Rubber
Priority date: 1982-08-02
Filing date: 1983-08-02
Publication date: 1984-02-16

Abstract

A composition and method for dying natural or synthetic material or blend thereof. The composition comprises an organic pigment, a thermoplastic resin, optionally a plasticizer, a solvent and optionally a conventional propellent. The method of application is preferably by means of an aerosol spray can.

Description

A COLOURING COMPOSITION

This invention relates to colouring compositions, and in particular colouring compositions for use in dyeing carpets in motor vehicles.

Natural or synthetic materials or blends thereof can either be dyed prior to being manufactured into a finished product, or can be dyed' during manufacture. Examples of such dyed materials are textile fabrics and carpets.

On a commercial basis carpets are dyed using known pigment compositions and the carpet is then dried by hot-air exhaustion techniques. This method whilst suitable for the intial dyeing of carpets is cumbersome and .time consuming and is not readily adaptable to the dyeing of carpets on a small scale.

Present methods of dyeing carpets in situ, require the use of a machine or apparatus for applying a liquid dye which must then be allowed to dry. This method of dyeing carpets still involves the use of a machine or apparatus and is time consuming. An additional disadvantage is that carpets which have been dyed, in situ, have a tendency to lose the new colour which is rubbed off the pile when the carpet is walked on.

The present invention seeks to substantially alleviate the above disadvantages.

According to the present invention there is provided a dyeing composition comprising 1-15% by weight of a colouring component incorporating one or more organic pigments; 1-10% by weight of a fixative component comprising at least one thermoplastic resin and optionally a liquid plasticizer; 30-70% by weight of a drying component selected from optionally halogen substituted aliphatic or aromatic hydrocarbons and oxygenated solvents; 0-3% of odourant component; and propellant as required; the composition bein suitable for application, to a natural or synthetic materia or blend thereof to be dyed, either in the form of an aerosol composition or otherwise.

In a preferred aspect, the said composition is used as an aerosol spray in association with one or more conventional propellants. In this aspect, the components are desirably chosen from those specifically set forth hereafter.

The invention also provides a method for applying a composition preferably by means of an aerosol spray can suitable for application to natural or synthetic material or blend thereof.

The preferred features of the invention will be sequentially described hereafter with reference to embodiments.

Examples of pigments are:- carbon black; metal oxides eg. yellow iron oxide, titanium dioxide; benzidine yellow; red B toner; phthalocyanine blue and phthalocyanine green.

Fixatives are selected from: thermoplastic resins having a m.p. in the range of 65°C - 150°C for example: liquid epoxy resin with an epoxide equivalent (175-210), vinyl-chloride - vinyl acetate copolymer, vinyl-toluene - acrylate copolymer, and liquid plasticizers for example chlorinated hydrocarbons and chlorinated paraffins; ester types for example phthalates and adipates.

Odourants are selected from natural or synthetic perfumes for example citrus esters or floral esters.

Examples of solvents are selected from: optionally halogen substituted aliphatic, aromatic hydrocarbons; oxygenated solvents, a particularly preferred solvent is toluene, propellants are selected from fluorocarbons or hydrocarbons.

A preferred embodiment of the present invention comprises: to 100% total weight colouring component - pigment 1 - 10% fixative component - thermoplastic resin 2 - 8% liquid plasticizer 0 - 2% drying component - solvent balance odourant - natural or synthetic 0 - 3% perfume propellant - propellant 30 - 50%

A number of tests were conducted on the compositions of the present invention to determine their stability to heat or light and also their colour fastness.

In one test, samples of the compositions were cooled to -20°C and kept at that temperature for four hours before being allowed to warm to room temperature. Other samples were heated to 50°C and kept at that temperature for four hours before being allowed to cool to room temperature. When the samples were again at room temperature, they were inspected for decomposition or separation and were then applied to a piece of carpet. It was found that the sample of the compositions of the present invention did not alter with change in temperature and performed in a normal fashion. In another test a number of carpet squares ranging from pure wool through blends to pure nylon were sprayed with samples of the compositions. The carpet squares also had a range of pile from tufted to shag pile. The samples of the compositions tested covered a wide colour range and the dyed carpets were inspected for colour coverage, colour fastness, and final texture. From the tests the pure nylon and synthetic blends appeared better than wool in coverage and texture . The least satisfactory was a wool shag pile which required more dye than other carpets and resulted in a slightly matted texture rather than remaining soft and fluffy. Whilst the finish was not unacceptable and was improved by the addition of a liquid plasticizer to the composition; it was clear from the tests that compositions of the present invention behaved better on short loop or close cut pile, acrylic or wool-acrylic carpet.

Some of the dyed carpets were then placed outside in the sunlight and others placed in the sunlight under glass in order to test fading or change in colour. It was found that greens reds and blues became lighter on exposure to ultra violet rays whilst the camel colour got darker. It was however apparent that fading was not a problem with the compositions.

Further tests were carried out on dyed carpet squares to test for colour fastness. In these tests, vaseline (Registered Trade Mark), butter and water were seperately rubbed into a carpet to check for bleed-out of colour. There was found to be no bleed-out with water and only a minor bleed-out with vaseline or butter.

In order to determine colour wear a carpet square was subjected to intensive brushing with a. hard brush for 30 minutes until the colour was partially removed. It was estimated that the brush test was equivalent to the expected life of the carpet and the result was clearly satisfactory.

The compositions of the present invention are particularly for use in treating carpets used in motor vehicles. For this reason it was decided to conduct further tests to determine coverage on soiled carpets.

A number of used, soiled and worn carpets were taken and after being vacuumed were sprayed with compositions of the present invention. It is obvious that the substrate colour has an influence on the final colour and that it is preferable to dye darker rather than lighter. In addition it is not possible to restore the pile to charred carpet caused by cigarrette burns. A range of colours were tested and it was suprisingly found that the spray gave body to the carpet and with normal soiling the carpet came up very well, even charred carpet was recoloured. Except with heavily oil stained carpets the compositions of the present invention were found to cover most stains satisfactorily.

Whilst the present invention has been described herein with particular reference to the dyeing of carpets by means of an aerosol spray it is to be understood that the invention is of wider application, for example compositions of the present invention have been used to dye calico and sheepskins and have even been used and as a medium to paint pictures.

The following examples illustrate the invention.: Example 1 - Black

The following components are weighed: 9 kg furnace carbon black 11.0kg vinyl chloride vinyl acetate copolymer 1.2kg liquid epoxy resin with an epoxide equivalent (175-210) 100.0kg methyl ethyl ketone (mek) 30.0kg methyl iso-butyl ketone (mibk) 75% of the vinyl resin is mixed into 75% of the solvents with a mechanical stirrer until dissolved.

The epoxy resin and pigment are then added and the resulting mixture is passed through a horizontal bead mill to evenly disperse the pigment throughout the resin and plasticizer (if any).

Then 3.6 kg of vinyl resin is mixed with 5kg of mibk and 20kg of mek until dissolved. This solution is passed through the bead mill as a let down. 5kg of mibk and 15kg of mek are mixed together and passed through the bead mill as a wash down.

All mixtures and solutions are returned to the mechanical stirrer and the total weight is brought up to the batch weight of 200kg by addition of mek as neccessary.

After mixing, the composition is transported to an aerosol filler where it is again stirred before being added in metered amounts of 150g to aerosol cans.

Valves are clamped into position and propellant 12, Registered Trade Mark, 150g is added to the cans. The cans are then hot water tested before beng packed.

As described above the following components in a percentage by total weight of composition were mixed together and placed into an aerosol can which was then sealed. Example 2 - Camel colouring component - titanium dioxide 5.8)

- benzidine yellow 1.2)

- furnace carbon black trace) 7.1

- red B toner 0.1) fixative component - expoxy resin (as above) 0.3 vinyl resin (as above) 2.6 drying component - mek 30 mibk 10

Propellant - propellant 12 50 Example 3 - Blue colouring compenent - phthalocyanine blue 3 .0) titanium dioxide 3.5) 6.6 furnace carbon black 0 .1) fixative component - epoxy resin (as above) 0.3 vinyl resin (as above) 3.1 drying component - mek 30 mebk 10 propellant - propellant 12 50 Example 4 - Green colouring component - phthalocyanine blue 1.2) titanium dioxide 3.0) 6.0 beuzidine yellow 1.8) fixative component - epoxy resin (as above) 0.3 vinyl resin (as above) 2.7 drying component - mek 31 mibk 10 propellant - propellant 12 50 Example 5 - Red colouring component - red B toner 3.6 fixative component - epoxy resin (as above) 0.3 vinyl resin (as above) 2.1 drying component - mek 11.0 mibk 33.0 propellant - propellant 12 50 Example 6 - Camel with odouriser colouri ng component - titanium d ioxide 2.0) yellow iron oxide 5.3) 7.4 red oxide 0.1) furnace carbon black trace) fixative component - vinyl-toluene- 3.5 acrylate copolymer Cereclor 42 (Registered 0.4 Trade Mark) drying component - toluene 12.0 methylene chloride 46.2 odourant - citrus ester 0.5 propellant - butane 30

PCT WORLD INTELLECTUAL PROPERTY ORGANIZATION International Bureau

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT

(51) International Patent Classification ~ : (11) International Publication Number: WO 84/ 00

D06P 1/52, 1/90; C09K 3/30 // AI

(43) International Publication Date: 16 February 1984 (16.0 C09K 3/00; C07D 11/00

(21) International Application Number: PCT/AU83/00100 (81) Designated States: AU, GB, JP, US.

(22) International Filing Date: 2 August 1983 (02.08.83)

Published

With international search report.

(31) Priority Application Numbe : PF 5162

(32) Priority Date: 2 August 1982 (02.08.82)

(33) Priority Country: AU

(71) Applicant (for all designated States except US): EPPING

RUBBER CO. PTY. LIMITED [AU/AU]; 146 Gilba Road, Girraween, NSW 2145 (AU).

(72) Inventor; and

(75) Inventor/Applicant (for US only) : O'SULLIVAN, Paul, Joseph [NZ/AU]; 2/2 Lismore Avenue, Dee Why 2099 (AU).

_*

(74) Agent: SIELY, James, Gordon; Arthur S. Cave & Co., Gold Fields House, 1 Alfred Street, Sydney, NSW 2000 (AU).

(54) Title: A COLOURING COMPOSITION

(57) Abstract

A composition and method for dying natural or synthetic material or blend thereof. The composition comprises organic pigment, a thermoplastic resin, optionally a plasticizer, a solvent and optionally a conventional propellent. method of application is preferably by means of an aerosol spray can.

FOR THE PURPOSES OF INFORMAπON ONLY

Codes used to identify States party to the PCT on the front pages of pamphlets publishing international ap- plications under the PCT.

AT Austria LI Liechtenstein

AU Australia LK Sri Lanka

BE Belgium LU Luxembourg

BR Brazil MC Monaco

CF Central African Republic MG Madagascar

CG Congo MR Mauritania

CH Switzerland MW Malawi

CM Cameroon NL Netherlands

DE Germany. Federal Republic of NO Norway

DK Denmark RO Romania

FI Finland SE Sweden

FR France SN Senegal

GA Gabon St Soviet Union

GB United Kingdom TD Chad

HU Hungary TG Togo

JP Japan US United Slates of America

KP Democratic People's Republic of Korea

A COLOURING COMPOSITION

This invention relates to colouring compositions, and in particular colouring compositions for use in dyeing carpets in motor vehicles. Natural or synthetic materials or blends thereof can either be dyed prior to being manufactured into a finished product, or can be dyed during manufacture. Examples of such dyed materials are textile fabrics and carpets.

On a commercial basis carpets are dyed using known pigment compositions and the carpet is then dried by hot-air exhaustion techniques. This method whilst suitable for the intial dyeing of carpets is cumbersome and time consuming and is not readily adaptable to the dyeing of carpets on a small scale.

The present invention seeks to substantially alleviate the above disadvantages.

According to the present invention there is provided a dyeing composition comprising 1-15% by weight of a colouring component incorporating one or more organic pigments; 1-10% by weight of a fixative component comprising at least one thermoplastic resin and optionally a liquid plasticizer; 30-70% by weight of a drying component selected from optionally halogen substituted aliphatic or aromatic hydrocarbons and oxygenated solvents; 0-3% of odourant component; and propellant as required; the composition being suitable for application, to a natural or synthetic material or blend thereof to be dyed, either in the form of an aerosol composition or otherwise.

In one test, samples of the compositions were cooled to -20°C and kept at that temperature for four hours before being allowed to warm to room temperature. Other samples were heated to 50°C and kept at that temperature for four hours before being allowed to cool to room temperature. When the samples were again at room temperature, they were inspected for decomposition or separation and were then applied to a piece of carpet. It was found that the samples of the compositions of the present invention did not alter with change in temperature and performed in a normal fashion.

In another test a number of carpet squares ranging from pure wool through blends to pure nylon were sprayed with samples of the compositions. The carpet squares also had a range of pile from tufted to shag pile. The samples of the compositions tested covered a wide colour range and the dyed carpets were inspected for colour coverage, colour fastness, and final texture. From the tests the pure nylon and synthetic blends appeared better than wool in coverage and texture. The least satisfactory was a wool shag pile which required more dye than other carpets and resulted in a slightly matted texture rather than remaining soft and fluffy. Whilst the finish was not unacceptable and was improved by the addition of a liquid plasticizer to the composition; it was clear from the tests that compositions of the present invention behaved better on short loop or close cut pile, acrylic or wool-acrylic carpet.

Further tests were carried out on dyed carpet squares to test for colour fastness. In these tests, vaseline

(Registered Trade Mark), butter and water were seperately rubbed into a carpet to check for bleed-out of colour.

There was found to be no bleed-out with water and only a minor bleed-out with vaseline or butter.

In order to determine colour wear a carpet square was subjected to intensive brushing with a hard brush for 30 minutes until the colour was partially removed. It was estimated that the brush test was equivalent to the expected life of the carpet and the result was clearly satisfactory.

Whilst the present invention has been described herein with particular reference to the dyeing of carpets by means of an aerosol spray it is to be understood that the invention is of wider application, for example compositions of the present invention have been used to dye calico and sheepskins and have even been used and as a medium to paint pictures. The following examples illustrate the invention: Example 1 - Black

- benzidine yellow 1.2)

- furnace carbon black trace) 7.1

Propellant - propellant 12 50 Example 3 - Blue colouring compenent - phthalocyanine blue 3.0) titanium dioxide 3.5) 6. 6 furnace carbon black 0.1) fixative component - epoxy resin (as above) 0. 3 vinyl resin (as above) 3. 1 drying component - mek 30 mebk 10 propellant - propellant 12 50 Example 4 - Green colouring component - phthalocyanine blue 1.2) titanium dioxide 3.0) 6. 0 beuzidine yellow 1.8) fixative component - epoxy resin (as above) 0.3 vinyl resin (as above) 2.7 drying component - mek 31 mibk 10 propellant - propellant 12 50 Example 5 - Red colouring component - red B toner 3.6 fixative component - epoxy resin (as above) 0.3 vinyl resin (as above) 2.1 drying component - mek 11.0 mibk 33.0 propellant - propellant 12 50 Example 6 - Camel with odouriser colouring component - titanium dioxide 2.0) yellow iron oxide 5.3) 7.4 red oxide 0.1) furnace carbon black trace) fixative component - vinyl-toluene- 3.5 acrylate copolymer Cereclor 42 (Registered 0.4 Trade Mark) drying component - toluene 12.0 methylene chloride 46.2 odourant - citrus ester 0.5 propellant - butane 30

Claims

The claims defining the invention are as follows:

1. A dyeing composition comprising 1-15% by weight of a colouring component incorporating one or more organic pigments; 1-10% by weight of a fixative component comprising at least one thermoplastic resin and optionally a liquid plasticizer; 30-70% by weight of a drying component selected from, optionally halogen substituted aliphatic or aromatic hydrocarbons and oxygenated solvents; 0-3% of odourant component; and propellant as required; the composition being suitable for application, to a natural or synthetic material or blend thereof to be dyed, either in the form of an aerosol composition or otherwise.

2. A dyeing composition as claimed in claim 1 comprising 2-10% of the colour component, 2-4% of the fixative component, 40-60% of the drying component, 0-2% of the odourant component, and 30-50% of propellant, the components being formulated as an aerosol composition.

3. A dyeing composition as claimed in claim 1 or 2 wherein the organic pigment (s) is (are) selected from those specifically set forth herein.

4. A dyeing composition as claimed in any one of claims 1 to 3 wherein the thermoplastic resin has a melting point in the range of 65-150°C and is selected from liquid epoxy resins with an epoxide equivalent (175-210), vinyl-chloride-vinyl-acetate copolymers, and vinyl-toluene-acrylate copolymers.

5. A dyeing composition as claimed in any one of the preceding claims wherein the liquid plasticizer is a chlorinated hydrocarbon, a chlorinated paraffin and/or an ester.

6. A dyeing composition as claimed in any one of the preceding claims wherein the dyeing component is selected from methyl ethyl ketone, methyl iso butyl ketone, toluene, methylene chloride.

7. A dyeing composition according to claim 1 and substanially as herein described with reference to any one of the foregoing examples thereof.

8. A method of dyeing a natural or synthetic material or blend thereof wherein there is applied, thereto, the composition as claimed in any one of the preceding claims.

9. A method as claimed in claim 8 wherein there is applied, to the material or blend being dyed, an aerosol composition as claimed in claim 2.

10. A method as claimed in claim 8 or 9 wherein the material or blend being dyed is carpet material.

11. A method as claimed in claim 8 or 9, and substantially as herein described with reference to any one of the foregoing specific examples thereof.