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Fabric article treating system

a technology of fabric article and treatment system, which is applied in the direction of textile dry-cleaning apparatus, detergent compounding agent, sustainable building, etc., can solve the problems of ineffective or economical delivery of detergent actives or rinse actives, inability to effectively partition out actives from aqueous wash medium and onto fabric surface, and loss of most actives in wash and rinse fluids

Inactive Publication Date: 2005-01-06
THE PROCTER & GAMBLE COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention fulfills the need described above by providing a fabric article treating system that effectively deposits fabric article actives on fabric articles in need of treatment.

Problems solved by technology

However, complete immersion may not be an effective or economical way to deliver detergent actives or rinse actives.
When diluted in large quantity of aqueous wash medium, only a small percentage of the actives come into contact with the fabric articles while most of the actives are lost in the wash and rinse fluids.
Moreover, certain actives have a higher affinity for water than the affinity for the fabric surface such that these actives fail to partition out of the aqueous wash medium and onto fabric surface effectively even when the actives happen to contact fabric surface.
Delivering certain actives that have high water solubility to the fabric surface places the laundry detergent formulator in the unfortunate position of having to work the paradigm of the required chemistry.
So far, there are few if any satisfactory ways to achieve this objective.
For example, strategies to enhance the surface activity of the active usually attenuate the polar / hydrophilic properties that are desired for performance, and “delivery enhancement actives” (e.g. high molecular weight polymers) often result in less effective cleaning or are expensive.
However, it remains a challenge to distribute the low volume of actives evenly or substantially evenly over the entire fabric surfaces in the fabric load in the chamber.
For example, surfactants delivered only to certain areas and not to others would result in uneven cleaning, or even to unacceptable failure in cleaning performance.
Another example is perfume: perfume is an expensive and very potent active; therefore, a small volume of perfume is typically used in a fabric article treating process and substantially even distribution is necessary.
In other words, it is not desirable to deliver perfume in such a manner that one treated fabric article is drenched in perfume while another treated fabric article receives only a drop of perfume in one area.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Examples

Experimental program
Comparison scheme
Effect test

example 1

place a load of fabric articles (such as garments) into a horizontal axis automatic washing machine; begin tumbling the fabric articles at a speed capable of generating a force of about 1 G; spray / mist a wash liquor comprising 75 g of a detergent composition diluted in enough water such that the resulting liquor to fabric ratio is between 0.25:1 to 2:1 onto the tumbling clothes according to droplet size and other spray / mist requirements described above; continue tumbling for a total tumbling time of about 15 minutes; rapidly add (e.g., by pumping at a rate of 1.87 liters per minute) fresh water to the tumbling load such that the resulting liquor to fabric ratio is about 15:1; high-speed spin to remove all excess liquor; resume tumbling and spray / mist a finishing composition comprising 50 g of finishing actives diluted in enough water such that the resulting liquor to fabric ratio is between about 2:1 to 5:1 onto the tumbling clothes according to the spray / mist requirements of...

example 2

place a load of garments into the horizontal axis machine; begin tumbling the fabric articles at a speed capable of generating a force of about 0.5 G to about 3 G; add fresh water and spray / mist 75 g of detergent composition onto the tumbling clothes such that the resulting liquor to fabric ratio is about 7:1; continue tumbling for a total tumbling time of 15 minutes while heat is applied to partially remove water from the applied liquor such that the remaining liquor to fabric ratio is about 0.75:1 or less; rapidly add fresh water to the tumbling load such that the resulting liquor to fabric ratio is about 15:1; high-speed spin to remove of at least all free liquor; rapidly add fresh water to the tumbling load such that the resulting liquor to fabric ratio is about 7:1; high-speed spin to remove of at least all free liquor; resume tumbling and spray a rinse liquor comprising about 30-50 g of a rinse active and enough water such that the resulting liquor to fabric ratio is ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

A fabric article treating system, including the apparatus and the process, to provide improved fabric cleaning, fabric appearance and / or fabric care benefits. More particularly, the present system provides an effective delivery of detergent actives and rinse actives by depositing the actives directly upon a fabric article being treated. The detergent composition and fabric care composition suitable for use in such apparatus and process are also provided. The system is water-saving and energy efficient, compared to conventional immersive aqueous laundry system.

Description

FIELD OF THE INVENTION The present invention relates to a fabric article treating system, including the apparatus and the process, to provide improved fabric cleaning, fabric appearance and / or fabric care benefits. More particularly, the present invention relates to an effective and direct delivery system whereby detergent actives and rinse actives are directly deposited upon a fabric article being treated. The present invention also relates to novel detergent composition and fabric care composition for use in such apparatus and process. The system is water-saving and energy efficient, compared to conventional immersive aqueous laundry system, while providing enhanced fabric cleaning and fabric care. BACKGROUND OF THE INVENTION Conventional aqueous-based laundering apparatuses and processes typically employ the immersive mode of laundering, that is, the amount of wash medium in the chamber is far above the absorptive capacity of the fabric load such that the fabric articles are ba...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): C11D3/00C11D11/00D06F35/00
CPCC11D3/0015C11D11/0017Y02B40/56D06F35/006C11D11/0064Y02B40/00C11D2111/12C11D2111/44
Inventor PRICE, KENNETH NATHANZHANG, SHULIN LARRYGUSTWILLER, MARK ERIC
Owner THE PROCTER & GAMBLE COMPANY
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