Definition

Noun: A type of dye that has a high affinity for cellulose-based fibers, such as cotton or rayon. Substantive dyes can be applied directly to these fibers without the need for a mordant (a substance used to fix the dye), as they bond strongly to the material.

Usage

Substantive dyes are used primarily in the textile industry for dyeing natural cellulose fibers. * The manufacturer used a substantive dye to color the cotton fabric a deep, vibrant blue. * For this rayon garment, a substantive dye is recommended because it bonds well without a fixing agent.

Advanced Usage

• Technical Context: In textile chemistry, the substantivity of a dye refers to its inherent attraction and direct absorption by a fiber under given conditions. A "substantive dye" is one with high substantivity for cellulose.
  • The research paper compared the substantivity of various direct dyes on different cellulose substrates.

Variants and Related Words

• Direct Dye: This is a common synonym for substantive dye in industrial and commercial contexts.
  • Direct dyes, also known as substantive dyes, are popular for their simple application process.

Synonyms

• Direct dye

Notes

The term "substantive dye" is specific to the field of textile chemistry and dyeing. Its meaning is highly technical and not typically used in everyday language.

Noun

1. dye with a high affinity for cellulose fibers (cotton or rayon etc.)