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Vat Blue 36 is a vat dye that is chemically related to indigo. It is produced by condensation of 4-methyl-5-chloro-7-methoxy-3-indolinone and 5,7–dichloro-3- ...
Bleach activators are compounds that allow a lower washing temperature than would be required otherwise to achieve the full activity of bleaching agents in the wash liquor. Bleaching agents, usually peroxides, are usually sufficiently active only from 60 °C on. With bleach activators, this activity can already be achieved at lower temperatures.
Vat dyes are a class of dyes that are classified as such because of the method by which they are applied. Vat dyeing is a process that refers to dyeing that takes place in a bucket or vat. The original vat dye is indigo, once obtained only from plants but now often produced synthetically. [1]
The term "bleach" originates from a French word signifying "to whiten." In essence, the process of bleaching involves whitening by removing substances that impart color to the material undergoing the bleaching treatment. [26] Bleaching is the process of decolorizing the material after it has been scoured.
"Knight" for N (the symbol used in chess notation) Taking this one stage further, the clue word can hint at the word or words to be abbreviated rather than giving the word itself. For example: "About" for C or CA (for "circa"), or RE. "Say" for EG, used to mean "for example". More obscure clue words of this variety include:
Snow bleaching is a technique used in traditional Japanese textile industry to bleach the fabric using the ozone evaporating from snow. [1] This technique is used to bleach Echigo-jofu, a type of kimono. This method is based on the fact that ozone is released when snow evaporates due to sunlight. [2] [3]
Methods are used to "resist" or prevent the dye from reaching all the cloth, thereby creating a pattern and ground. The most common forms use wax, some type of paste, or a mechanical resist that manipulates the cloth such as tying or stitching. Resist techniques include screen printing, tie-dye, ikat, and batik. [39] royal purple
This is a list of English words inherited and derived directly from the Old English stage of the language. This list also includes neologisms formed from Old English roots and/or particles in later forms of English, and words borrowed into other languages (e.g. French, Anglo-French, etc.) then borrowed back into English (e.g. bateau, chiffon, gourmet, nordic, etc.).