CN213739851U

CN213739851U - Flame-retardant high-temperature-resistant spun yarn

Info

Publication number: CN213739851U
Application number: CN202022491503.7U
Authority: CN
Inventors: 凌从伍
Original assignee: Zhejiang Deyan New Material Technology Co ltd
Current assignee: Zhejiang Deyan New Material Technology Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-07-20
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses a belong to and spin yarn technical field, specifically be a fire-retardant high temperature resistant yarn that spins, the inside center of spinning the yarn body is provided with inside sinle silk, the outside of inside sinle silk is encircleed and is provided with first yarn and second yarn, the outside of first yarn and second yarn is encircleed and is provided with outer protective yarn, this kind of fire-retardant high temperature resistant yarn that spins, through the multilayer winding, prevented that preoxidation fibre spinnability is poor, easy brittle failure, the condition that the brute force is low appears, can improve the yarn pliability to can not influence the travelling comfort of skin, the production power consumption is few, pollute fewly, the after-treatment need not add fire retardant and other resin arrangement, no formaldehyde and other noxious material produce, the production process is energy-concerving and environment-protective, the fabric has permanent fire resistance, the fire behavior can not descend after the washing.

Description

Flame-retardant high-temperature-resistant spun yarn

Technical Field

The utility model discloses a belong to and spin yarn technical field, specifically be a fire-retardant high temperature resistant yarn that spins.

Background

The yarn is a textile, is processed into products with certain fineness by various textile fibers, is used for weaving, rope making, thread making, knitting, embroidery and the like, and is divided into staple fiber yarn, continuous filament yarn and the like. There are various methods of expressing the fineness of the yarn, such as number, metric count, english count, denier, etc. (see count). The twist of the yarn is expressed in turns per meter or inch. The wool yarn and the wool yarn are generally used for spinning woolen sweaters, woolen trousers, woolen vests, scarves, hats and gloves and weaving various articles for clothes in spring and autumn, and have the decoration effect besides the heat preservation effect.

Traditional yarn that spins does not possess good fire prevention fire behavior, then can take place the burning phenomenon when meetting the fire source, if the user is sleeping, can cause the conflagration, causes certain influence to personal safety and property safety, if the user takes place the burning phenomenon when wearing the yarn clothing, then can injure human safety.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

In view of the present tradition spins the yarn and does not possess the good fire-retardant high temperature resistance condition, can cause certain influence to personal safety and property safety, needs one kind can fire-retardant high temperature resistant and spins the yarn, protects personal safety and property safety, so proposed the utility model discloses.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme: the utility model provides a fire-retardant high temperature resistant yarn that spins, includes spins yarn body, inside sinle silk, first yarn, second yarn and protects yarn, its characterized in that: the yarn spinning device comprises a yarn spinning body and is characterized in that an inner wire core is arranged in the center of the interior of the yarn spinning body, first yarns and second yarns are arranged around the outer portion of the inner wire core, and outer protecting yarns are arranged around the outer portions of the first yarns and the second yarns.

Preferably, the first yarn and the second yarn are intertwined with each other and have the same cross-sectional area.

Preferably, the inner wire core is made of polytetrafluoroethylene fibers.

Preferably, the first yarn is made of polyphenylene sulfide fibers.

Preferably, the second yarn is made of polyimide fibers.

Preferably, the outer protective yarns are made of basalt fibers.

Compared with the prior art, the flame-retardant high-temperature-resistant spun yarn has the advantages that through multilayer winding, the situation that pre-oxidized fibers are poor in spinnability and easy to brittle fracture is prevented, the low strength is achieved, the flexibility of the yarn can be improved, the comfort of skin cannot be affected, the production energy consumption is low, the pollution is low, flame retardants and other resin finishes do not need to be added in the after-finishing process, formaldehyde and other toxic substances are not generated, the production process is energy-saving and environment-friendly, the textile fabric has permanent flame retardance, and the flame retardance cannot be reduced after washing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

FIG. 1 is a schematic plan view of the overall structure of the present invention;

fig. 2 is a schematic view of the first and second spinning thread structures of the present invention.

In the figure: 100 yarns, 200 inner cores, 300 first yarns, 400 second yarns and 500 outer protective yarns.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a fire-retardant high temperature resistant yarn that spins, through the multilayer winding, prevented that preoxidized fiber spinnability is poor, easy brittle failure, the condition that the brute force is low appears, can improve the yarn pliability, thereby can not influence the travelling comfort of skin, the production power consumption is few, pollute less, after-treatment need not add fire retardant and other resin arrangement, formaldehyde and other noxious material do not produce, the production process is energy-concerving and environment-protective, the fabric has permanent fire resistance, the fire resistance can not descend after the washing, please refer to fig. 1-2, including spinning yarn body 100, inside sinle silk 200, first yarn 300, second yarn 400 and outer protective yarn 500;

referring to fig. 1-2, specifically, an inner core 200 is disposed at the center of the interior of the yarn spinning body 100, a first yarn 300 and a second yarn 400 are disposed around the outer portion of the inner core 200, an outer protective yarn 500 is disposed around the outer portions of the first yarn 300 and the second yarn 400, the inner core 200 has a limited oxygen index of about 95%, and can be used at a temperature of 250 ℃ for a long time, the limited oxygen index of the first yarn 300 can reach 34% -35%, the melting point reaches 285 ℃, and is higher than other melt-spun fibers produced industrially at present, the size is stable, the limited oxygen index of the second yarn 400 is generally 35% -75%, and the fuming rate is low, and the yarn belongs to a self-extinguishing material. In addition, the polyimide fiber also has higher thermal decomposition temperature, the starting decomposition temperature of the full aromatic polyimide fiber is about 500 ℃, the outer protective yarn 500 is inorganic fiber, and has the advantages of incombustibility, temperature resistance (-269-700 ℃), no toxic gas discharge, good thermal insulation, no melting or dropping, high strength, no thermal shrinkage and the like;

referring to fig. 1-2 again, specifically, the first yarn 300 and the second yarn 400 are wound with the same cross-sectional area, the inner core 200 is made of teflon fiber, the first yarn 300 is made of polyphenylene sulfide fiber, the second yarn 400 is made of polyimide fiber, and the outer protective yarn 500 is made of basalt fiber.

When the yarn is used specifically, the limit oxygen index of the inner wire core 200 is about 95%, the inner wire core can be used at 250 ℃ for a long time, the limit oxygen index of the first yarn 300 can reach 34% -35%, the melting point reaches 285 ℃, the first yarn is higher than other melt-spun fibers produced industrially at present, the size is stable, the limit oxygen index of the second yarn 400 is generally 35% -75%, the smoke generation rate is low, and the yarn belongs to a self-extinguishing material. In addition, the polyimide fiber has a high thermal decomposition temperature, the starting decomposition temperature of the fully aromatic polyimide fiber is about 500 ℃, the outer protective yarn 500 is an inorganic fiber, and has the advantages of non-flammability, temperature resistance (-269 ℃ to 700 ℃), no toxic gas emission, good thermal insulation, no melting or dropping, high strength, no thermal shrinkage, and the like, so that the spun yarn body 100 has good flame retardant and high temperature resistance.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a fire-retardant high temperature resistant yarn that spins, includes spins yarn body (100), inside sinle silk (200), first yarn (300), second yarn (400) and protects yarn (500), its characterized in that: an inner wire core (200) is arranged in the center of the interior of the yarn spinning body (100), a first yarn (300) and a second yarn (400) are arranged on the outer portion of the inner wire core (200) in a surrounding mode, and an outer protection yarn (500) is arranged on the outer portion of the first yarn (300) and the outer portion of the second yarn (400) in a surrounding mode.

2. The flame-retardant high-temperature-resistant spun yarn according to claim 1, characterized in that: the first yarn (300) and the second yarn (400) are intertwined with each other and have the same cross-sectional area.

3. The flame-retardant high-temperature-resistant spun yarn according to claim 1, characterized in that: the inner wire core (200) is made of polytetrafluoroethylene fibers.

4. The flame-retardant high-temperature-resistant spun yarn according to claim 1, characterized in that: the first yarn (300) is made of polyphenylene sulfide fibers.

5. The flame-retardant high-temperature-resistant spun yarn according to claim 1, characterized in that: the second yarns (400) are made of polyimide fibers.

6. The flame-retardant high-temperature-resistant spun yarn according to claim 1, characterized in that: the outer protective yarns (500) are made of basalt fibers.