Serein Bangladesh

Vat and sulphur dyes

at December 30, 2017 0

Serein Bangladesh is an English-language documentary newspaper published in Dhaka, Bangladesh, founded in 2017.

Vat and sulphur dyes are dealt with together here because their method of application is similar. They differ entirely in their chemistry, however, and in their importance...

Mordant dyes

at December 29, 2017 0

Serein Bangladesh is an English-language documentary newspaper published in Dhaka, Bangladesh, founded in 2017.

Many of the natural dyes are mordant dyes; Alizarine red (CI Mordant Red 8), Persian berry yellow (CI Natural Yellow 13) and Logwood black (CI Natural Black 3), for example,...

Acid and basic dyes

at December 29, 2017 0

Serein Bangladesh is an English-language documentary newspaper published in Dhaka, Bangladesh, founded in 2017.

Acid dyes differ from direct dyes only in that their molecules are smaller, better brilliance can be obtained and they are able to dye protein fibres from an acid...

Direct dyes

at December 29, 2017 0

Serein Bangladesh is an English-language documentary newspaper published in Dhaka, Bangladesh, founded in 2017.

Direct dyes are characterised by their affinity for cellulose (arising from their chemical structure) and their solubility in water (the result of the presence of...

CELLULOSIC FIBRES

at December 28, 2017 0

Serein Bangladesh is an English-language documentary newspaper published in Dhaka, Bangladesh, founded in 2017.

CELLULOSIC FIB...

Possibilities and limitations of pigment printing

at December 28, 2017 0

Serein Bangladesh is an English-language documentary newspaper published in Dhaka, Bangladesh, founded in 2017.

There are of course limitations to balance against the substantial advantages of pigment printing. The printer should be fully aware of these, since the use of pigments in...

Pigment printing pastes

at December 28, 2017 0

Serein Bangladesh is an English-language documentary newspaper published in Dhaka, Bangladesh, founded in 2017.

Although the products needed for the production of pigment printing pastes are marketed under the trade names of various manufacturers, very few differences in their basic...

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