Dye for embroidery threads
A technology for dyes and embroidery threads, applied in the field of dyes, can solve the problems that embroidery threads cannot be wetted with water, poor wet fastness, dark color and light, etc., and achieves the effects of improving soaping fastness, preventing water fading, and simple extraction method.
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[0024] Rubia (scientific name: Rubia cordifolia L.): Rubiaceae, Rubia is a perennial herbaceous climbing vine, usually up to 3.5 meters long; rhizomes and fibrous roots on their nodes are red; stems are many, slender, square columnar , anatropous prickles on the edges, whorled leaves, papery, lanceolate or oblong-lanceolate, apex acuminate, heart-shaped, with toothed prickles on the edges, rough on both sides, petiole length up to 2.5 cm, aggregated Umbris axillary and terminal, with dozens of flowers, inflorescences and branches are thin, corolla light yellow, corolla lobes nearly ovate, fruit spherical, orange. Flowering in August-September, results in October-November, madder is a plant dye with a long history, and the preparation method of the extract of madder may include: mixing madder with water according to the weight ratio 1: (50-200) Extraction is carried out under airtight conditions at 90-150°C, followed by filtration, and the obtained extract is concentrated to 1-...
Embodiment 1
[0036] According to the weight ratio of 1:100, rubia radiata and water were mixed, extracted under airtight conditions at 150° C. and filtered, and the obtained extract was concentrated to 3% of the original volume to obtain the madder root extract. The safflower was mixed with water according to the weight ratio of 1:100, extracted under airtight conditions at 60° C. and then filtered, and the obtained extract was concentrated to 6% of the original volume to obtain the safflower extract. According to the weight ratio of 1:400, the hematoxylin and water were mixed, extracted under airtight conditions at 70° C. and filtered, and the obtained extract was concentrated to 3% of the original volume to obtain the hematoxylin extract. According to the weight ratio of 1:40, red sandalwood is mixed with water, extracted and filtered under airtight conditions at 180° C., and the obtained extract is concentrated to 3% of the original volume to obtain the red sandalwood extract. The drago...
Embodiment 2
[0038] According to the weight ratio of 1:50, rubia radiata and water were mixed, extracted under airtight conditions at 120° C. and filtered, and the obtained extract was concentrated to 1% of the original volume to obtain the madder radix extract. According to the weight ratio of 1:250, the safflower and water are mixed, extracted under airtight conditions at 80° C. and filtered, and the obtained extract is concentrated to 10% of the original volume to obtain the safflower extract. According to the weight ratio of 1:70, the hematoxylin and water were mixed, extracted and filtered under airtight conditions at 100° C., and the obtained extract was concentrated to 4% of the original volume to obtain the hematoxylin extract. According to the weight ratio of 1:160, red sandalwood is mixed with water, extracted and filtered under airtight conditions at 120° C., and the obtained extract is concentrated to 1% of the original volume to obtain the red sandalwood extract. The dragon gu...
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