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Time and temperature additive scheduling

a technology of additive scheduling and time and temperature, applied in dyeing process, printing, fibre treatment, etc., can solve the problems of complex conventional methods of textile manufacturing, significant environmental impact, and inability to solve problems

Inactive Publication Date: 2010-12-30
AIRDYE INTPROP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The process efficiently prepares, finishes, and prints textiles in less than one minute, significantly reducing time, labor, and pollution, while ensuring the fabric's properties are enhanced with permanent dyeing and printing, making it a commercially viable solution.

Problems solved by technology

Conventional methods for textile manufacturing is complex due to the wide variety of steps, process, substrates, and machineries involved.
Wet processing involves not only mechanical processes, but also chemical heavy preparation that can create significant environmental impact.
There are at least two major problems associated with the traditional wet processing method.
First, many individual steps are required under separate operations, which means multiple machineries need to be used.
The drawback of these patents is that they still do not solve the problem of consolidating multiple processing steps into one single, continuous process.
Again, the multiple processing steps creates significant cost in time and labor but also creates the second more serious problem, pollution.
The use of catalysts and chemicals during traditional wet processing often generates a panoply of environmental waste ranging from air to water pollutants.
However, by failing to identify commercially viable non-polluting catalysts, the single-pass process still faces a hurdle for successful commercial application.
), but these catalysts still was unable to provide for textile preparation in one combined single-pass machinery.
The challenge is to combine a single-pass machine that incorporates all the wet processing steps into one continuous process with non-polluting catalysts that limits labor costs, time, and pollution.

Method used

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  • Time and temperature additive scheduling
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Examples

Experimental program
Comparison scheme
Effect test

example 1

Chemical Agents

[0057]The following are a group of chemical agents that can be used during sublimation following a predetermined time and discreet temperature schedule.

[0058]Bleach

[0059]Typically, for performance based fabric, bleaching is a preferred method of preparing the fabric. The purpose of bleaching is decolorize naturally present pigments into whitened fabric that can accept dyes without damaging the fabric. Many sources of bleach may be used, such as oxidative bleaches and reductive bleaches. Preferably, oxidative bleaches, such as sodium hypochlorite (NaOCl), calcium hypochlorite (CaCl2O2), hydrogen peroxide, persulfates, perboarates and percarbonates along with peracetic acid; and reductive bleaches, such as sulfur dioxide and sodium dithionate can be used as bleaching agents.

[0060]More preferably, calcium hypochlorite or sodium hypochlorite, are used. Both of which are excellent cidal agents for mildew and other bacteria found and both can be found commercially. Commerci...

example 2

Single Pass Additive Scheduling

[0091]One embodiment of the present inventive subject matter is the sublimation of a donor material that includes the activation of a bleaching agent, an anti-microbial agent, a stain-release agent, followed by the printing and dyeing of the donor.

[0092]The scheduled release and bonding of each of the stacked chemical agent is completed based on a temperature defined time window. The chemical agents are applied as either a layer or component of a donor substrate. Once the donor has been placed in contact with the target object (usually fabric) heat is applied to the combination (donor and object). At lower temperatures both remain inert, but as the temperature of the combination rises it triggers a catalytic phase change in each of the fabric enhancer previous to the dyeing and or printing of the object donor in the same machine. FIG. 2 illustrates the time and temperature release of the chemical elements.

[0093]Under room temperature, a donor with spec...

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Abstract

A sublimation donor has a first fabric enhancer that sublimates from the donor above a first temperature and follow by a second fabric enhancer that sublimates from the donor above a second temperature. Both the first and second temperatures used are above 260° F. and the second temperature is at least 10° F. higher than the first temperature. Upon sublimation under a single pass processing unit, first and second catalysts triggers the first and second fabric enhancers to sublimate at the first and second temperatures, respectively.

Description

[0001]This application is a continuation of U.S. application Ser. No. 11 / 690,003, filed Mar. 22, 2007 which claims priority to U.S. provisional application Ser. No. 60 / 785,527 filed Mar. 24, 2006.FIELD OF THE INVENTION[0002]The field of the invention is in sublimation of textile products.BACKGROUND[0003]Conventional methods for textile manufacturing is complex due to the wide variety of steps, process, substrates, and machineries involved. Starting from processing raw natural or manufactured fibers into finished fabric, textile operations can be broadly classified into two steps: dry processing and wet processing. Dry processing involves many steps, but they are mainly mechanical processes and they tend no to produce as much environmental waste as wet processing. Wet processing involves not only mechanical processes, but also chemical heavy preparation that can create significant environmental impact.[0004]During traditional wet processing, fabric has to be cleaned and prepared that...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): D06P5/28
CPCD06L3/00D06M13/00D06P1/0032D06P5/004D06M16/00D06M23/02D06L4/00D06L4/20
Inventor GRIER, WILLIAM
Owner AIRDYE INTPROP