Environment-friendly original bleached chinlon 6 stretch yarn
By twisting polyurethane, polyolefin and cystine polymer fibers to form an environmentally friendly original dyed nylon 6 elastic yarn with a tight outer and loose inner structure, the problem of easy breakage of existing nylon elastic yarn is solved, and the effect of higher strength, lower weight and lower cost is achieved.
Patent Information
- Application Number
- CN202520037184.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-07
AI Technical Summary
Existing nylon elastic yarns are prone to breakage under strong external force, and existing reinforcement methods increase the weight and cost of the yarn.
Polyurethane elastic fibers, polyolefin elastic fibers, and cystine polymer fibers are twisted together using a twisting machine to form a tight outer and loose inner structure. Cystine polymer fibers are then wrapped around the composite elastic yarn body and fixed using elastic stretching space and hot melt adhesive to improve toughness and bending resistance.
It improves the strength of elastic yarn, reduces weight and cost, while also offering better flexibility and faster weaving speed.
Smart Images

Figure CN223738241U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of nylon 6 elastic filament, especially to an environment-friendly original drawing color nylon 6 elastic filament. BACKGROUND
[0002] The present nylon elastic filament has high elasticity, but its strength is not high enough, and it is easy to be broken under the pulling of a large external force, so the prior art usually adopts a multi-strand nylon filament composite mode or a mode of twisting and bonding nylon filaments outside a metal wire with the metal wire as an inner core to increase the strength of the elastic filament.
[0003] However, the weight and cost of the filament are greatly increased.
[0004] The present case is proposed to improve and optimize the above problems or deficiencies. INVENTION CONTENTS
[0005] An environment-friendly original drawing color nylon 6 elastic filament, comprising polyurethane elastic fiber, polyolefin elastic fiber, cystine polymerized chemical fiber, and composite elastic filament main body, wherein the composite elastic filament main body is provided with at least two branches and twisted into one strand by a twisting machine, the cystine polymerized chemical fiber is provided with a plurality of branches and wound outside the composite elastic filament main body by the twisting machine and wraps the composite elastic filament main body, the polyolefin elastic fiber and the cystine polymerized chemical fiber are arranged alternately and at intervals, the polyurethane elastic fiber is provided with a plurality of branches and wrapped outside the polyolefin elastic fiber by the twisting machine, and the filament diameter of the polyurethane elastic fiber is smaller than that of the polyolefin elastic fiber.
[0006] Preferably, the cystine polymerized chemical fiber is made of a special spinneret, which is a hollow structure and has a polygonal irregular shape in cross section.
[0007] Preferably, the twisting coefficient of the cystine polymerized chemical fiber is smaller than that of the polyolefin elastic fiber, and the twisting coefficient of the polyolefin elastic fiber is smaller than that of the polyurethane elastic fiber, thereby forming a structure of relatively tight outside and loose inside.
[0008] Preferably, an elastic stretching space is formed between the composite elastic filament main body and the cystine polymerized chemical fiber, the elastic stretching space is a discontinuous gap at intervals, and the inner cavity is compressed by being compressed inward during the overall stretching of the elastic filament, thereby improving the toughness and bending resistance of the product, and good bending resistance can be maintained in a non-linear stretching state.
[0009] Preferably, hot melt adhesive is arranged between the polyurethane elastic fiber, the polyolefin elastic fiber, and the cystine polymerized chemical fiber for fixation.
[0010] Preferably, the twist factor of the composite elastic filament body is consistent with the twist factor of the polyolefin elastic fiber.
[0011] The utility model discloses the advantages and positive effects are:
[0012] 1. effectively increase the strength of elastic filament, and compared with prior art, the weight is lower, and the cost is also lower, and the flexibility is better, and the weaving speed can reach higher degree when weaving. BRIEF DESCRIPTION OF DRAWINGS
[0013] The utility model is further illustrated below in connection with the drawings and examples.
[0014] Fig. 1 It is the structural schematic diagram of the utility model;
[0015] Fig. 2 It is the cross section structural schematic diagram of the utility model.
[0016] Mark in the drawing: 10, polyurethane elastic fiber;11, polyolefin elastic fiber;12, cystine polymeric fiber;13, elastic stretch space;14, composite elastic filament body. DETAILED DESCRIPTION
[0017] The utility model will be further explained in detail in connection with the drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the utility model in a schematic manner, therefore it only shows the structure related to the utility model.
[0018] If the application examples involve directional indications or position relations (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings); if the specific posture changes, the directional indication or position relationship also changes accordingly. In addition, the application examples involve "first", "second", etc. terms, which are only used for convenience of description, and cannot be understood as indicating or implying relative importance.
[0019] The utility model examples are further described below in connection with the drawings:
[0020] For example Figs. 1-2The utility model discloses a kind of environmental protection type original drawing color nylon 6 elastic filaments, including polyurethane elastic fiber 10, polyolefin elastic fiber 11, cystine polymerization chemical fiber 12, composite elastic filament main body 14, wherein the composite elastic filament main body 14 is provided with at least two and is twisted into one by twisting machine, the cystine polymerization chemical fiber 12 is provided with several and is wound and arranged outside the composite elastic filament main body 14 by twisting machine, and the composite elastic filament main body 14 is wrapped therein, the polyolefin elastic fiber 11 and the cystine polymerization chemical fiber 12 are staggered and arranged, the polyurethane elastic fiber 10 is provided with several and is wound outside the polyolefin elastic fiber 11 by twisting machine, and the filament diameter of the polyurethane elastic fiber 10 is less than the filament diameter of the polyolefin elastic fiber 11.
[0021] Preferably, the cystine polymerization chemical fiber 12 is made by a special spinneret, which is a hollow structure and has a polygonal irregular shape in cross section.
[0022] Preferably, the twisting coefficient of the cystine polymerization chemical fiber 12 is less than that of the polyolefin elastic fiber 11, and the twisting coefficient of the polyolefin elastic fiber 11 is less than that of the polyurethane elastic fiber 10, thereby forming a structure with relatively tight outside and loose inside.
[0023] Preferably, an elastic stretching space 13 is formed between the composite elastic filament main body 14 and the cystine polymerization chemical fiber 12, and the elastic stretching space 13 is a discontinuous gap with multiple intervals. During the overall stretching of the elastic filament, the inner cavity is compressed by being compressed inward, i.e., the elastic stretching space 13 is compressed, thereby improving the toughness and bending resistance of the product, and further maintaining good bending resistance in a non-linear stretching state.
[0024] Preferably, hot melt adhesive is further provided between the polyurethane elastic fiber 10, the polyolefin elastic fiber 11 and the cystine polymerization chemical fiber 12 for fixation.
[0025] Preferably, the twisting coefficient of the composite elastic filament main body 14 is consistent with that of the polyolefin elastic fiber 11.
[0026] It should be emphasized that the embodiments of the utility model are illustrative rather than limiting, and therefore the utility model is not limited to the embodiments described in the specific embodiments, and any other embodiments derived from the technical solution of the utility model by those skilled in the art also fall within the scope of protection of the utility model.
Claims
1. An environmentally friendly, undyed nylon 6 elastic yarn, characterized in that: The composite elastic yarn body (14) is twisted by a twisting machine and combined into one strand, the cystine polymerized chemical fiber (12) is wound outside the composite elastic yarn body (14) by a twisting machine and wrapped around the composite elastic yarn body (14), the polyolefin elastic fiber (11) is arranged in an interlaced and spaced manner with the cystine polymerized chemical fiber (12), the polyurethane elastic fiber (10) is wound outside the polyolefin elastic fiber (11) by a twisting machine, and the diameter of the polyurethane elastic fiber (10) is smaller than that of the polyolefin elastic fiber (11).
2. The environmentally friendly original-drawing colored polyurethane elastic yarn according to claim 1, characterized in that: The cystine polymerized chemical fiber (12) is made of a special spinneret, which is a hollow structure and has a polygonal irregular shape in cross section.
3. The environmentally friendly original-drawing colored polyurethane elastic yarn according to claim 2, characterized in that: The twisting coefficient of the cystine polymerized chemical fiber (12) is smaller than that of the polyolefin elastic fiber (11), and the twisting coefficient of the polyolefin elastic fiber (11) is smaller than that of the polyurethane elastic fiber (10), thereby forming a structure with relatively tight outside and loose inside.
4. The environmentally friendly original-drawing colored polyurethane elastic yarn according to claim 3, characterized in that: The composite elastic yarn body (14) and the cystine polymerized chemical fiber (12) form an elastic stretching space (13), which is a discontinuous gap with multiple intervals. During the overall stretching of the elastic yarn, the lumen is compressed by being compressed inward, i.e. the elastic stretching space (13) is compressed, thereby improving the toughness and bending resistance of the product, and further maintaining good bending resistance in a non-linear stretching state.
5. The environmentally friendly original-drawing colored polyurethane elastic yarn according to claim 4, characterized in that: Hot melt adhesive is arranged between the polyurethane elastic fiber (10), the polyolefin elastic fiber (11) and the cystine polymerized chemical fiber (12) for fixation.
6. The environmentally friendly original-drawing colored polyamide 6 elastic yarn according to claim 5, characterized in that: The twisting coefficient of the composite elastic yarn body (14) is consistent with that of the polyolefin elastic fiber (11).