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Feb 27, 2011

Studying all possible Fixation Modes of Reactive Printing. Evaluating CMC and Strength Report through Data Color

SUBJ-3:
Studying all possible Fixation Modes of Reactive Printing. Evaluating CMC and Strength Report through Data Color

Chemicals:
Dye, Stock paste.

Purpose:
Purpose is to propose different fixation modes other than recommended (Steaming) with little or no compromise on yield and tone of shade.

Recipe:
Stock paste:
Mild. Oxidizing agent                  10  g/Kg
Urea                                          100g/Kg
Sodium Bicarbonate                   25  g/Kg
Alginate Thickener                      25 g/Kg
Water                                       Balance
Total                                       1 Kg


Dye Glass:
Dye                                         50  g/Kg
Stock paste                              Balance
Total                                       1 Kg

Options:
Options which are being tried are as follow.
Fixation through Curing/Heating only at strenter (Oven) without Air Flow Control.
Fixation through Curing/Heating only at strenter with Air Flow Control.
Fixation through Steaming by utilizing Saturated Steam.

In addition to these modes different other parameters like time was also varied to see the behavior of the dyes on varying fixation Modes.


Process:
Print and dry at 100-110°C.

Fixation:
Fixation Modes are
Oven 130C@15Min.
Strenter 160C@5Min.
Strenter 180C@5Min.
Strenter 200C@1Min.
Strenter 200C@5Min.
Saturated Steam 100C@1Min
Saturated Steam 100C@5Min
Saturated Steam 100C@15Min

Washing:
§     Cold rinse
§     Soap at 60oC With:
                        1-2 ml/l of Ladipur RSK liq.
§     Hot Rinse
§     Cold Rinse

Result:
Name                                  CMC                    STRENGTH
Oven 130C@15Min.                          0.69(Pass)                                105
Strenter 160C@5Min.                        1.43(Fail)                                  120
Strenter 180C@5Min.                        1.10(Fail)                                  112
Strenter 200C@1Min.                        0.57(Pass)                                105
Strenter 200C@5Min.                        1.94(Fail)                                   88
Saturated Steam 100C@1Min            2.96(Fail)                                   62
Saturated Steam 100C@5Min            0.72(Pass)                                  90
Saturated Steam 100C@15Min          0.81(Pass)                                  92

21Noritz NH150-DV Tankless Hydronic Boiler, Natural GasZojirushi CV-DSC40 VE Hybrid Water Boiler and Warmer, Stainless Steel


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