Copyright 2000 Douglass F. Taber

 

Name:________________ Section:__________________ Date:____________


CHAPTER 45: DYES AND DYEING

Data Report Sheet

A. Dyeing on the Fiber

Monoamine used:

Diamine used:

Description of spot with monamine:

Description of spot with diamine:



B. Comparison of Mono- and Dis-azo Dyes in Neutral and Acid Solution

Monamine used:

Diamine used:

<><><><>Monamine color intensity<><>Diamine color intensity<><><><>

Neutral (weakly acid) solution

Result with cotton:

Which fabrics dyed well:

1.

2.

3.

Acidic Solution

Result with cotton:

Which fabrics dyed well:

1.

2.

3.

C. Disperse and Cross-dyeing

m-Nitroaniline results:


Mixture of disperse and dis-azo dye results:



D. Cationic Dyes

Relative intensities of malachite green on multifiber strip:



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