阅读说明：本技术 一种电缆用薄形阻燃无纺布及其制作方法 (Thin flame-retardant non-woven fabric for cable and manufacturing method thereof ) 是由 赵永良 于 2020-05-29 设计创作，主要内容包括：本发明属于无纺布制作技术领域,尤其为一种电缆用薄形阻燃无纺布,所述电缆用薄形阻燃无纺布由下列重量份的原料制成：植物色素纤维网45-60份、热熔粘合加固料15-20份、耐腐蚀胶粒8-12份和抗阻燃胶粒10-15份。本发明通过添加耐腐蚀胶粒和抗阻燃胶粒,使得整个无纺布在制造出来会具备更好的抗阻燃和耐腐蚀性能,从而保障了电缆在输送电流时的安全性,避免了了高温造成的火灾事件,让整个电缆在使用的时候更具安全保障性,还有就是通过多个植物色素纤维网进行叠加,然后方便了在每个隔层之间添加相应的耐腐蚀胶粒和抗阻燃胶粒,最终由热熔粘合加固料进行粘合,从而让整个制作过程更为简便,而且期间能够添加功能性原料,让整个无纺布可以大规模的生产。(The invention belongs to the technical field of manufacture of non-woven fabrics, and particularly relates to a thin flame-retardant non-woven fabric for a cable, which is prepared from the following raw materials in parts by weight: 45-60 parts of plant pigment fiber net, 15-20 parts of hot-melt adhesive reinforcing material, 8-12 parts of corrosion-resistant colloidal particles and 10-15 parts of anti-flame-retardant colloidal particles. According to the invention, the corrosion-resistant colloidal particles and the flame-resistant colloidal particles are added, so that the whole non-woven fabric can have better flame resistance and corrosion resistance in the manufacturing process, the safety of a cable in current transmission is ensured, a fire accident caused by high temperature is avoided, the whole cable is safer in use, a plurality of plant pigment fiber nets are overlapped, then the corresponding corrosion-resistant colloidal particles and flame-resistant colloidal particles are conveniently added between every two interlayers, and finally the anti-corrosion colloidal particles and the flame-resistant colloidal particles are bonded by the hot-melt bonding reinforcing material, so that the whole manufacturing process is simpler and more convenient, functional raw materials can be added in the process, and the whole non-woven fabric can be produced in a large scale.)

1. A thin flame-retardant non-woven fabric for cables is characterized in that: the thin flame-retardant non-woven fabric for the cable is prepared from the following raw materials in parts by weight: 45-60 parts of plant pigment fiber net, 15-20 parts of hot-melt adhesive reinforcing material, 8-12 parts of corrosion-resistant colloidal particles and 10-15 parts of anti-flame-retardant colloidal particles.

2. The thin flame-retardant nonwoven fabric for cables according to claim 1, wherein: the plant pigments in the plant pigment fiber net are divided into: the fat-soluble pigment and the water-soluble pigment are classified, and the fat-soluble pigment comprises: chlorophyll, lutein and crocin, and the like, water-soluble pigments include: anthoxanthin, anthocyanidin, catechin, etc.

3. The thin flame-retardant nonwoven fabric for cables according to claim 1, wherein: the fibers in the plant pigment fiber web include: at least one of terylene, polypropylene fiber, aramid fiber, acrylic fiber, chinlon, composite, ES, 6080, vinylon, spandex and the like.

4. The thin flame-retardant nonwoven fabric for cables according to claim 1, wherein: the corrosion-resistant colloidal particles are made of polyvinyl chloride (PVC) or Polyformaldehyde (POM) materials, and the flame-resistant colloidal particles are made of Polycarbonate (PC) materials.

5. The thin flame-retardant nonwoven fabric for cables according to claim 1, wherein: the hot melt adhesive reinforcing material is fibrous or powdery, and the particle diameter is between 10 and 18 mm.

6. The method for manufacturing the thin flame-retardant non-woven fabric for cables according to any one of claims 1 to 5, wherein: the method comprises the following steps:

s1, carrying out lamination treatment on the plant pigment fiber web, and adding a mixture of hot melt adhesive reinforcing materials, corrosion-resistant colloidal particles and flame-resistant colloidal particles between every two interlayers in the lamination process;

s2, placing the stacked plant pigment fiber net into a heating and melting box, then controlling the temperature inside the heating and melting box to 80-120 ℃, adjusting the temperature to 70 ℃, 55 ℃ and 30 ℃ for three times, and respectively standing for a certain time;

s3, taking out the laminated fiber net after hot melting bonding, and then placing the laminated fiber net into a bathtub filled with cold water to wet the surface of the laminated fiber net with water, wherein the water needs to be changed once during the period, and the water cooling time of the two times is consistent;

s4, fishing out the water-cooled laminated fiber net, clamping the edge part by a clamp, and then hanging the laminated fiber net at a high position for natural drying;

and S5, flattening the dried laminated fiber net in a flattening machine, finally rolling the flattened laminated fiber net, and finishing the final packaging.

7. The method for manufacturing the thin flame-retardant non-woven fabric for the cable according to claim 6, wherein the method comprises the following steps: the hot-melt adhesive reinforcing material, the corrosion-resistant colloidal particles and the anti-flame-retardant colloidal particles in the step S1 are stirred and mixed by using a stirring device, and the time intervals of regulating the temperature for three times in the step S2 are respectively 10min, 13min and 20 min.

8. The method for manufacturing the thin flame-retardant non-woven fabric for the cable according to claim 6, wherein the method comprises the following steps: the water cooling time in the step S3 is controlled to be 10-15min, and the drying time in the step S4 is controlled to be 20-30 min.

Technical Field

The invention relates to the technical field of non-woven fabric manufacturing, in particular to a thin flame-retardant non-woven fabric for a cable and a manufacturing method thereof.

Background

The non-woven fabric is also called non-woven fabric, and is formed by directional or random fibers, so that the non-woven fabric is called the fabric due to the appearance and certain properties of the fabric, the cable is usually a cable similar to a rope formed by twisting a plurality of or a plurality of groups of leads (at least two leads in each group), each group of leads are mutually insulated and usually wound around a center, the whole outer surface is coated with a highly-insulated coating, the cable has the characteristics of internal electrification and external insulation, wherein the outer surface is mostly coated with the non-woven fabric, but the existing cable is coated with the thin non-woven fabric, the whole flame resistance and corrosion resistance are relatively low, when the cable transmits electric power, the inner part of the cable generates large heat, if the flame resistance is low, the corresponding fire disaster is easily caused, and the cable is mostly buried in the ground and is easily corroded by moisture, so that the service life of the whole cable is greatly reduced, finally, the whole manufacturing is complex, and the corresponding functional layer is difficult to be added into the whole, so that the large-area production is difficult.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a thin flame-retardant non-woven fabric for a cable and a manufacturing method thereof, and solves the problems that the existing thin non-woven fabric for the cable is relatively low in overall flame resistance and corrosion resistance, relatively complex in overall manufacturing, and difficult to add corresponding functional layers into the non-woven fabric, so that large-area production is difficult to provide.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a thin flame-retardant non-woven fabric for a cable is prepared from the following raw materials in parts by weight: 45-60 parts of plant pigment fiber net, 15-20 parts of hot-melt adhesive reinforcing material, 8-12 parts of corrosion-resistant colloidal particles and 10-15 parts of anti-flame-retardant colloidal particles.

As a preferred technical solution of the present invention, the plant pigments in the plant pigment fiber web are: the fat-soluble pigment and the water-soluble pigment are classified, and the fat-soluble pigment comprises: chlorophyll, lutein and crocin, and the like, water-soluble pigments include: anthoxanthin, anthocyanidin, catechin, etc.

As a preferred embodiment of the present invention, the fibers in the plant pigment fiber web include: at least one of terylene, polypropylene fiber, aramid fiber, acrylic fiber, chinlon, composite, ES, 6080, vinylon, spandex and the like.

As a preferable technical scheme of the invention, the corrosion-resistant colloidal particles are made of polyvinyl chloride (PVC) or Polyformaldehyde (POM) materials, and the flame-resistant colloidal particles are made of PC polycarbonate materials.

As a preferable technical scheme of the invention, the hot melt adhesive reinforcing material is fibrous or powdery, and the particle diameter is between 10 and 18 mm.

The invention also provides a manufacturing method of the thin flame-retardant non-woven fabric for the cable, which comprises the following steps:

s1, carrying out lamination treatment on the plant pigment fiber web, and adding a mixture of hot melt adhesive reinforcing materials, corrosion-resistant colloidal particles and flame-resistant colloidal particles between every two interlayers in the lamination process;

s2, placing the stacked plant pigment fiber net into a heating and melting box, then controlling the temperature inside the heating and melting box to 80-120 ℃, adjusting the temperature to 70 ℃, 55 ℃ and 30 ℃ for three times, and respectively standing for a certain time;

s3, taking out the laminated fiber net after hot melting bonding, and then placing the laminated fiber net into a bathtub filled with cold water to wet the surface of the laminated fiber net with water, wherein the water needs to be changed once during the period, and the water cooling time of the two times is consistent;

s4, fishing out the water-cooled laminated fiber net, clamping the edge part by a clamp, and then hanging the laminated fiber net at a high position for natural drying;

and S5, flattening the dried laminated fiber net in a flattening machine, finally rolling the flattened laminated fiber net, and finishing the final packaging.

As a preferred embodiment of the present invention, the hot-melt adhesive reinforcing material, the corrosion-resistant rubber particles, and the anti-flame-retardant rubber particles in S1 are mixed by stirring using a stirring device, and the three temperature control time intervals in S2 are 10min, 13min, and 20min, respectively.

As a preferable technical scheme of the invention, the water cooling time in S3 is controlled to be 10-15min, and the drying time in S4 is controlled to be 20-30 min.

(III) advantageous effects

Compared with the prior art, the invention provides a thin flame-retardant non-woven fabric for cables and a manufacturing method thereof, and the thin flame-retardant non-woven fabric has the following beneficial effects:

this fire-retardant non-woven fabrics of thin shape for cable and preparation method, through adding corrosion-resistant micelle and anti flame retardant micelle, make whole non-woven fabrics can possess better anti fire-retardant and corrosion resisting property in making out, thereby the security of cable when carrying current has been ensured, the fire incident that high temperature caused has been avoided, let whole cable have more the safety guarantee nature when using, superpose through a plurality of phytochrome fibre nets in addition, then made things convenient for and added corresponding corrosion-resistant micelle and anti flame retardant micelle between every interlayer, finally adhere by hot melt bonding reinforcement material, thereby make whole manufacturing process more simple and convenient, and functional raw materials can be added during, let whole non-woven fabrics can large-scale production.

Drawings

FIG. 1 is a flow chart of a method for manufacturing a thin flame-retardant non-woven fabric for a cable according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.