Production technology for impregnated interwoven fabric

Abstract

The invention belongs to the technical field of textile, and relates to a production technology for impregnated interwoven fabric. The production technology comprises the steps of doubling yarns, twisting yarns, warping and carrying out pirn winding to produce a cylindrical cloth through a cylindrical weaving machine, performing one-time impregnation and setting, shearing strip-shaped fabric according to a 45-degree included angle formed with the edge of the cylindrical cloth, performing secondary impregnation on the shorn strip-shaped fabric, and then carrying out stretching and setting to form an impregnated wide-angled cloth product in which the warp yarns and weft yarns form included angles of 20-40 degrees or wide angles of 140-160 degrees, wherein the formula used in the primary impregnation comprises the following active ingredients in parts by weight: 0.5-2 parts of polyvinyl alcohol and 98-99.5 parts of water; the formula used in the secondary impregnation comprises the following active ingredients in parts by weight: 5+ / -0.1 parts of natural latex, 20+ / -0.1 parts of butadiene-vinyl pyridine latex, 10+ / -0.1 parts of water, and 15+ / -0.1 parts of 6.5% RLF solution. The production technology has the advantages that the shearing accuracy is high after the primary impregnation, the utilization rate of the fabric is high, latex is evenly distributed in the fabric and firmly bonded after primary and secondary impregnations, and the production technology is applicable to production of fabric wrapping layers of a triangular belt or a toothed belt.

Description

technical field [0001] The invention belongs to the technical field of textiles, in particular to a production process for making a rubber-impregnated interwoven cloth for a cloth covering layer of a V-belt or a toothed belt. Background technique [0002] Chinese patent CN87210429U discloses a kind of "wide-angle cloth", and the instructions and drawings of the instructions disclose the following production process: polyester-cotton yarn (or nylon filament) warping, twisting, warping and rolling, weaving, spiral cutting , impregnation, stretching, drying and setting, quality inspection, and packaging are finished wide-angle cloth products, of which yarn doubling, twisting, warping, weaving, drying and setting, quality inspection and packaging are well-known in the textile industry. Its disadvantages are: first, the direct spiral cutting of the cloth after weaving will result in a large deviation from the set cutting line during cutting due to the greater softness of the wove...

AI Technical Summary

Problems solved by technology

[0002] Chinese patent CN87210429U discloses a kind of "wide-angle cloth", and the instructions and drawings of the instructions disclose the following production process: polyester-cotton yarn (or nylon filament) warping, twisting, warping and rolling, weaving, spiral cutting , impregnation, stretching, drying and setting, quality inspection, and packaging are finished wide-angle cloth products, of which yarn doubling, twisting, warping, weaving, drying and setting, quality inspection and packaging are well-known in the textile industry. Its disadvantages are: first, the direct spiral cutting of the cloth after weaving will result in a large deviation from the set cutting line during cutting due to the greater softness of the woven cloth, resulting in a large amount of cloth corners that cannot be used and are wasted The second is that the concentration of the dipping glue is high, the penetration of the glue is small, the binding force between the cloth and the glue is low, and the separation of the cloth and the glue is easy to occur.

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