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Resin embedding fiber method for detecting fiber form

A technology of fiber shape and resin package, which is applied in the field of rapid embedding of textile fiber resin, can solve complex problems, achieve the effect of improved image quality, simple embedding process, and clearly visible fiber boundaries

Inactive Publication Date: 2009-11-11
SHANGHAI ENTRY EXIT INSPECTION & QUARANTINE BUREAU OF P R C +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Later in the 1999 document "E.K.Boylston. Microscopical Evaluation of Yarns. Textile Chemistand Colorist. 1999, 31 (2): 20-22" reported that E.K.Boylston and others applied different proportions of methacrylate system resins to the yarn. Embedding has also achieved good results, but this fiber embedding method involves pre-polymerization of monomers and further UV-induced reactions, etc., which is relatively complicated.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Resin embedding fiber method for detecting fiber form
  • Resin embedding fiber method for detecting fiber form
  • Resin embedding fiber method for detecting fiber form

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～13

[0063] The fibers are:

[0064] Loose cotton fiber, ramie fiber, kapok fiber, ordinary viscose fiber, wool fiber, nylon trilobal fiber, polyester quatrefoil fiber, polyester trilobal fiber, polyester oval fiber, polyester polygonal fiber, polyester single hollow fiber, Acrylic straight fiber, acrylic blended fiber;

[0065] First, use an iron comb to comb each of the above-mentioned fibers neatly, and then tie the two ends of the fibers with yarn to ensure that the fibers are in a naturally stretched and straight state.

[0066] The above-mentioned fibers were respectively impregnated in the following embedding media:

[0067] Methyl methacrylate: butyl methacrylate: polymethyl methacrylate = 3: 2.6: 0.9, and in the bottle of BPO with 1% total monomer weight, vacuum the air bubbles in the fibers until no air bubbles appear until. Pour the embedding medium in the bottle into a polypropylene tube, seal both ends of the tube with stoppers, slightly tighten the yarns binding th...

Embodiment 14～16

[0072] Fibers used:

[0073] Loose cotton fiber, ramie fiber, acrylic fiber blended fiber, adopt the same detection method of embodiment 1.

[0074] First, use an iron comb to comb each of the above-mentioned fibers neatly, and then tie the two ends of the fibers with yarn to ensure that the fibers are in a naturally stretched and straight state.

[0075] The above-mentioned fibers were respectively impregnated in the following embedding media:

[0076] Styrene: polystyrene = 5 ~ 6: 1 = 5.5: 1, and in the bottle of BPO with 1% of the total weight of the monomer, vacuum the air bubbles in the fibers until no air bubbles appear. Pour the embedding medium in the bottle into a polypropylene tube, seal both ends of the tube with stoppers, slightly tighten the yarn that binds the ends of the fiber, keep the tube vertical, and place it at 100°C for about 2.5 hours of polymerization reaction. Prepare embeddings. For fiber cross-sectional images, see Figure 27 , 29 and 31.

Embodiment 17～19

[0078] Fibers used: loose cotton fiber, ramie fiber, acrylic blended fiber;

[0079] The same detection method as in Example 1 was adopted.

[0080] First, use an iron comb to comb each of the above-mentioned fibers neatly, and then tie the two ends of the fibers with yarn to ensure that the fibers are in a naturally stretched and straight state.

[0081] The above-mentioned fibers were respectively impregnated in the following embedding media:

[0082] Vinyl acetate: polyvinyl acetate = 3: 1.8, and a bottle of BPO with 1% of the total weight of the monomers, vacuumed to remove air bubbles in the fibers until no air bubbles appeared. Pour the embedding medium in the bottle into a polypropylene tube. After the two ends of the tube are sealed with stoppers, slightly tighten the yarn that binds the ends of the fiber, and place it at a temperature of 83°C for about 1.5 hours of polymerization reaction, and then raise the temperature to Polymerize at 120°C for 1.5h to prepare the...

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Abstract

The invention relates to a method for embedding fibers with resin, which comprises the following steps: immersing the fibers to be embedded in embedding medium, and polymerizing at a temperature of 80-120°C for 2-4 hours to obtain a fiber embedding body, Said embedding medium is polymethacrylate embedding system, polystyrene embedding system or polyvinyl acetate embedding system; the method of the present invention, owing to add polymer in monomer in advance to adjust the viscosity of system , eliminating the pre-polymerization of monomers; in addition, direct free-radical copolymerization of monomers is initiated by BPO, and the polymerization has reached the requirements of fiber embedding in about 2-3 hours, and has the advantages of simple embedding process and fast embedding rate . At the same time, when various fibers are embedded and sliced, the fiber boundaries are clearly visible, the degree of dispersion is good, and the image quality is significantly improved.

Description

technical field [0001] The invention relates to a method for embedding fiber with resin, in particular to a method for quickly embedding textile fiber resin based on computer image recognition. Background technique [0002] The cross-section of each textile fiber has certain characteristic shapes. For example, the cross-section of natural cotton fiber is irregular waist-circle, and there is a dry cavity in the center of the cross-section; the cross-section of a single silkworm cocoon without sericin is irregular oval, and is covered by two silk fibroin. The cross-section of a single silk fibroin after removing sericin is irregular triangle; while the cross-section of tussah cocoon silk is flat and oblong, and the triangle of sericin is also flat, like horns, with tiny pores inside; different types of hemp The cross-sectional shapes of the fibers are also different. Most of the ramie is waist-round, with a middle cavity, and the cell wall has cracks; the cross-section of fla...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/28G01N33/00G01N21/84
Inventor 胡春圃陈永林王华辉吴雄英杨娟
Owner SHANGHAI ENTRY EXIT INSPECTION & QUARANTINE BUREAU OF P R C
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