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Home CareChromabond™ S-350dye transfer inhibitor

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Chromabond™ S-350 dye transfer inhibitor

Keeping white garments white and colors their original shade canbe accomplished with dye transfer inhibitor technology.

Chromabond S-350 polymer is a novel dye transfer Inhibitor (DTI) technologythat works by binding to dyes removed from clothing during the wash cycle.

Virtually eliminating the ability of “free dyes” to redeposit on fabric, the polymerforms stable complexes with various colors, including direct orange, direct red,direct black and acid blue.

Using Chromabond S-350 polymer at low use levels affords manufacturers theability to include consumer-desirable “color-safe” label claims.

Overview

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Chromabond™ S-350 dye transfer inhibitor

A polymer additive approach offers manufacturers a simple yetefficient option for adding color-safe label claims.

• Chromabond S-350 polymer is based on class-leading Poly Vinyl pyridine N-Oxide (PVNO)

• Is stable in bleach containing detergents

• Maintains efficacy in the presence of surfactants

• May be used in a broad pH range

• Performs well at very low concentrations

• Is non-hazardous

Overview

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Chromabond™ S-350 dye transfer inhibitor

Owing to the efficiency of Chromabond S-350 polymer is an aromatic ringwithin its molecular structure, a positive charge attraction to anionic dyes andadditional hydrogen bonding to direct dyes.

Overview

n

N

CH CH2

O

+

-

Aromaticity ensuresstable dye complexes

are formed

Charge attractionto anionic direct dyes

Additional Hydrogenbonding to dyes

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Chromabond™ S-350 dye transfer inhibitor

When included in laundry detergent formulations at 0.3 to 0.6%, manufacturersgenerally have the ability to make color-safe label claims, even in regions withhard water conditions and in elevated wash temperatures.

Typical propertiesMolecular weight 13,000

Description 35% aqueous solution

Appearance Clear amber colored solution free from impurities

Gardner color Minimum 6, Maximum 13

Degree of oxidation 90% Minimum

% Polymer 35± 2% (in water)

Viscosity (cps) (@ 80°F (27°C), spindle #18, 30 rpm) 40-80

pH 4.0-5.0

Hydrogen peroxide (ppm) 2 Maximum

Vinylpyridine monomer 0.05% Maximum

Melting point Approximately - 4°C

Specific gravity 1.15 @ 25°C

Density 9.6 lbs/gal

Flash point > 200°F TCC

Water solubility Freely soluble at ambient temperature

Function

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Chromabond™ S-350 dye transfer inhibitor

Included at very low use levels, between 0.1% and 0.2%, ChromabondS-350 polymer out performs legacy dye transfer inhibitor technology,such as PVP polymer.

Historically, PVP polymer provided some dye transfer inhibition technology butusing a more efficient polymer technology based on Poly vinyl pyridine N-oxide(PVNO) offers better color protection benefits.

The difference in performance is measurable and result in formulations thatbetter maintain garment color intensity.

Function

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Terge-o-to-meter

Washing -100°F-100 rpm-10 min.Transfer 2 cotton fabric to rinse, after removing access water

Terge-o-to-meter

Rinsing1L DiH2O with 110 ppm Hard water

-100°F-100 rpm-3 min.Air dry cotton fabrics

Chromabond™ S-350 dye transfer inhibitorEfficacy testing

Modified ASTM D-5548-95 with commercial detergent

Wash Solution Preparation• Dye (10 ppm)• With or Without Polymer (10ppm)• C. Detergent (0.1%)• Hard Water-110 ppm (3:1 Ca:Mg)• Dilute to 1L w/ DiH2O

Add 2 Cotton Fabrics

W/O Polymer

W Polymer

Fabrics•Bleached Cotton 400 Fabric, 4.25 x 3.25 in – 2 Fabrics /wash

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Chromabond™ S-350 dye transfer inhibitor

Procedures (USA wash conditions): • ASTM D-5548-95, a dyed cloth is used and the re-deposition of the bled dye from

the dyed cloth onto a white cloth is measured. • At Ashland, a known concentration of the dye is added and its deposition onto a

white fabric is determined.1. Solution containing 10 ppm dye, 10 or 20 ppm polymer, 1g/L detergent and 110 ppm hard

water (Ca:Mg 3:1) diluted to 1L with DiH2O and placed in Terg-O-Tometer:

• 4 dyes chosen as per AISE’s StiWa protocol2. Once the solution has equilibrated to 100°F/38°C, two cotton swatches are added and the

washing process is conducted for 10 minutes at an agitation rate of 100 cycles/min.3. Swatches are removed and rinse water prepared with 110 ppm hard water (Ca: Mg 3:1),

which is again diluted to 1.0L with DiH2O and placed in a Terg-O-Tometer. Fabrics are rinsed for 3 minutes and excess water is squeezed by hand.

4. Swatches are dried.5. Six reflectance measurements (3 measurements on each swatch) are taken using a Hunter

Colorimeter (ColorQuest XE) on a CIELAB color scale.– The ΔE* value is reported, it is the difference between the starting fabric and the washed

fabric. ΔE* value closer to zero indicates less deposition of the dye on to the fabric.

Efficacy testing

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Color Measurement on Fabric

Instrument:

Hunter ColorQuest XE

Sensor Manager:

Sensor Name: CQX3069

Current Sensor: ColorQuestXE

Port:1

Current Mode: DTI

Set Mode:

Mode Type: RSEX-Reflectance Specular Excluded

Area View: 1.00 in

UV Filter Position: Nominal

Standardization Status: Standardized

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Color Measurement on Fabric

Instrument:

Hunter ColorQuest XE

Sensor Manager:

Sensor Name: CQX3069

Current Sensor: ColorQuestXE

Port:1

Current Mode: DTI

Set Mode:

Mode Type: RSEX-Reflectance Specular Excluded

Area View: 1.00 in

UV Filter Position: Nominal

Standardization Status: Standardized

Color Scale Parameters:

Scales: CIEL*A*B*

Illuminant/Observers:D65/10°

Differences: dL* da* db* dE*

Indices:/

Measurements:

Select Average

For Delta Reflectance Average Method : n of N 6Total of six measurements aretaken per fabric set

Cutting-Edge Chemistry that Addresses Consumer Trends - April 1, 2010

Measure dE* Control

Measure dE* Polymer on Hunter Colorimeter

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0.0

5.0

10.0

15.0

20.0

25.0

30.0

35.0

40.0

45.0 42.4

36.8

30.0

27.5

40.6

29.5

8.8

8.0

34.2

29.8

26.1

27.2

5.6

5.1

4.6

4.6

dE Direct Orange 39

Direct Red 83:1

Direct Black 22

Acid Blue 113

Chromabond™ S-350 dye transfer inhibitor: Strong DTI Performance

Polymer Conc.: 10ppm level

Imp

rov

ed

DT

I p

erf

orm

an

ce

Chromabond S-350 polymer is the best performer at low dosage levels

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0.0

5.0

10.0

15.0

20.0

25.0

30.0

35.0

40.0

45.0 44.3

30.4

16.7

14.1

39.8

19.0

4.3

3.7

33.3

26.7

25.6

20.1

5.1

4.1

4.3

3.5

dE Direct Orange 39

Direct Red 83:1

Direct Black 22

Acid Blue 113

Chromabond™ S-350 dye transfer inhibitor: Strong DTI Performance

Imp

rov

ed

DT

I p

erf

orm

an

ce

Polymer Conc.: 20ppm level

Chromabond S-350 polymer is the stand-out performer at high dosage levels

13

0.0

5.0

10.0

15.0

20.0

25.0

30.0

35.0

40.0

45.0

Control Chromabond S-350 10ppm

Chromabond S-350 20ppm

42.4

27.5

14.1

40.6

8.0

3.7

34.2

27.2

20.1

5.6

4.6

3.5

dE

Direct Orange 39

Direct Red 83:1

Direct Black 22

Acid Blue 113

Chromabond™ S-350 dye transfer inhibitor: Dose Response

Increasing DTI observed with increasingdosage of Chromabond S-350 polymer

Imp

rov

ed

DT

I p

erf

orm

an

ce

Increasing Dosage

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Chromabond™ S-350 dye transfer inhibitor: Class Leading DTI Performance

Ashland evaluations have confirmed that Chromabond S-350 polymer offers class

leading DTI performance:

• Tests were compared against commonly-used DTI polymers

– PVP (Poly Vinyl Pyrrolidone)

– Chromabond S-100 polymer (Poly Vinyl Pyridine Betaine Chemistry)

Chromabond S-350 polymer was the best performer in our tests

• Statistically significant reduction in level of transfer of direct orange, red and black dyes

• Numerical reduction in level of acid blue transferred to cotton receptor swatches

Furthermore, previous studies on PVNO-containing DTIs have shown additional benefits:

• Maintenance of DTI efficacy in presence of hard water

• Minimal interaction with anionic surfactants in the detergent formulation

• Maintenance of efficacy at elevated temperatures

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Chromabond™ S-350 dye transferinhibitor

Samples of Chromabond S-350 polymers are available now for you to test

• For best results it is recommended to use Chromabond S-350 polymer between 0.1% and 0.2% w/w polymer in your formulations

– ~0.3% to 0.6% product as supplied

• Ashland may be able to undertake DTI testing of Chromabond S-350 polymer for you at our regional laboratories

– Please ask your Sales Representative for more details

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Disclaimer

The information contained in this presentation and the various products described are intended for use only by persons having technical skill and at their own discretion and risk after they have performed necessary technical investigations, tests and evaluations of the products and their uses.  It is the purchaser’s responsibility to determine the applicability of such regulations to its products.  While the information herein is believed to be reliable, we do not guarantee its accuracy and a purchaser must make its own determination of a product’s suitability for purchaser’s use, for the protection of the environment, and for the health and safety of its employees and the purchasers of its products.

Neither Ashland nor its affiliates shall be responsible for the use of this information, or of any product, method, formulation, or apparatus described in this brochure. Nothing herein waives any of Ashland’s or its affiliates’ conditions of sale, and no statement, information and data is to be taken as a guarantee, an express warranty, or an implied warranty of merchantability or fitness for a particular purpose, or representation, express or implied, for which Ashland and its affiliates assume legal responsibility. We also make no warranty against infringement of any patents by reason of purchaser’s use of any information, product, method or apparatus described in this presentation.

The testing information (the “Testing Information”) has been gratuitously provided by Ashland.  The Testing Information is based on many factors beyond Ashland’s control, including but not limited to, the conditions prevailing when the testing was conducted, and in some cases, is based on data generated with development samples of the Active Ingredient.  Although it is intended to be accurate, ASHLAND DISCLAIMS ANY AND ALL LIABILITY, EITHER EXPRESS OR IMPLIED.  The Testing Information is confidential or proprietary to Ashland, and may not, except as provided below, be disclosed to any third party.  You may not make commercial use of the Testing Information, or make claims with respect to your products based the Testing Information, without the written agreement with Ashland covering such use.

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