Processing method of natural colored silk yarn
A processing method and technology of mulberry silk, which is applied in the field of processing natural colored mulberry silk, can solve the problems of natural colored mulberry cocoon silk not rich in color tone, poor color uniformity, etc., and achieve the effect of realizing the controllability of color difference and color tone
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Embodiment 1
[0018] In this embodiment, two silkworm cocoons of different colors are selected, one is a natural yellow silkworm cocoon, its outer layer, middle layer and inner layer are all yellow, and the appearance of the silkworm cocoon is also yellow; the other is a white silkworm cocoon. The cocoon fineness of the two kinds of cocoons were 2.390 denier and 2.443 denier respectively, and the unwinding rates were 78.1% and 70.3% respectively.
[0019] Because silkworm cocoons of different colors have different cocoon cooking requirements, and in order to prevent color contamination between cocoons during cocoon cooking, silkworm cocoons of two different colors need to be peeled, selected and boiled separately. The selected natural yellow silkworm cocoon and the white silkworm cocoon of the present embodiment are processed according to the following procedures respectively:
[0020] Dried silkworm cocoons→mixing cocoons→peeling cocoons→selecting cocoons→cooking cocoons
[0021] The coco...
Embodiment 2
[0025] One of the silkworm cocoons used in this embodiment is yellow in the outer layer and middle layer and white in the inner layer. This silkworm cocoon is yellow in appearance, and another kind of silkworm cocoon is white in the outer layer and yellow in the middle inner layer. This silkworm cocoon is obtained from The appearance is flesh-colored, and the deniers of the two kinds of silkworm cocoons are 2.431 denier and 2.492 denier respectively, and the unwinding rates are 79.2% and 82.1% respectively.
[0026] The two selected silkworm cocoons were mixed, peeled, and selected respectively, and then the natural yellow silkworm cocoons and flesh-colored cocoons were mixed with cocoons. The weight ratio of the mixed cocoons was 1:1. The circulating vacuum osmotic cocoon cooking machine cooks cocoons. The cocoon cooking process standard is: vacuum penetration (930mmHg, 3min)→cooking adjustment (98°C, 2min, cooling to 80°C, 2min)→exit protection (60°C, 2min). Since the seric...
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