CN110757929B

CN110757929B - Meshbelt containing PVC hollow tube and seat containing meshbelt

Info

Publication number: CN110757929B
Application number: CN201911067727.0A
Authority: CN
Inventors: 敖月海
Original assignee: Jiaxing Port District Quanshun Ribbon Co ltd
Current assignee: Jiaxing Port District Quanshun Ribbon Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2022-07-05
Anticipated expiration: 2039-11-04
Also published as: CN110757929A

Abstract

The invention relates to a woven belt containing a PVC hollow pipe and a seat containing the woven belt, wherein the woven belt containing the PVC hollow pipe comprises a weaving layer and an inner core, the weaving layer wraps the outer part of the inner core, the inner core comprises a filling layer and a middle layer, the filling layer is filled in an inner cavity of the middle layer, the middle layer is the PVC hollow pipe, and the PVC hollow pipe comprises the following components in parts by weight: 40-60 parts of PVC, 25-33 parts of plasticizer, 13-26 parts of calcium carbonate, 1.7-3.7 parts of stabilizer and 0.2-0.3 part of lubricant. The mesh belt has the characteristics of good rebound resilience, high strength, suitability for outdoor environment and difficult aging.

Description

Meshbelt containing PVC hollow tube and seat containing meshbelt

Technical Field

The invention relates to a woven belt containing a PVC hollow pipe and a seat containing the woven belt.

Background

The meshbelt is extensive in the application in house articles for use and outdoor articles for use field to the inner core that the PVC pipe was regarded as the core-spun meshbelt has intensity height, dry fast characteristics, but PVC's resilience is poor, unable automatic shrink, and after furniture and outdoor articles for use were processed into to the meshbelt, for example the back of chair, the meshbelt of chair back relaxed easily, thereby influences the use of this back, and then influences the life of this chair.

Disclosure of Invention

The invention aims to solve the technical problem of providing a woven belt containing a PVC hollow pipe and a seat comprising the woven belt, wherein the PVC hollow pipe has the characteristics of high breaking strength and good rebound resilience.

In order to solve the technical problem, the braid containing the PVC hollow pipe is realized by the following technical scheme:

the invention provides a braid containing a PVC hollow pipe, which comprises a weaving layer and an inner core, wherein the weaving layer wraps the outer part of the inner core, the inner core comprises a filling layer and a middle layer, the filling layer is filled in the inner cavity of the middle layer, the middle layer is the PVC hollow pipe, and the PVC hollow pipe comprises the following components: 40-60 parts of PVC, 25-33 parts of plasticizer, 13-26 parts of calcium carbonate, 1.7-3.7 parts of stabilizer and 0.2-0.3 part of lubricant.

As a further improvement of the invention, the PVC hollow pipe comprises the following components in parts by weight: 42-50 parts of PVC, 30.5-34 parts of plasticizer, 17-24.3 parts of calcium carbonate, 1.7-2.5 parts of stabilizer and 0.2-0.3 part of lubricant.

As a further improvement of the invention, the PVC hollow pipe comprises the following components in parts by weight: 43-47 parts of PVC, 32.5-34 parts of plasticizer, 18-20.5 parts of calcium carbonate, 2-2.3 parts of stabilizer and 0.2 part of lubricant.

As a further improvement of the invention, the plasticizer is one or two of trioctyl trimellitate (TOTM), dioctyl phthalate (DOHP) and dioctyl terephthalate (DOTP), the lubricant is stearic acid or PE wax, and the stabilizer is calcium-zinc stabilizer.

As a further improvement of the invention, the PVC hollow pipe component also comprises 0.3 part of mildew-proof antibacterial agent. Through the technical scheme, the PVC hollow pipe cannot mildew in outdoor rainy and humid environments, and the polyester, acrylic and polypropylene fibers wrapped outside the PVC hollow pipe are easy to dry in rainy or damp conditions or in sunny or ventilated environments, so that the PVC hollow pipe cannot mildew or deteriorate, and is particularly important for outdoor furniture such as chairs, sofas and the like.

As a further improvement of the invention, the PVC hollow pipe component also comprises 0.2 part of a weather-resistant ultraviolet-resistant agent. Through the technical scheme, the PVC hollow pipe is not easy to age and degrade when exposed to outdoor sunshine and ultraviolet irradiation, the service life is long, if other materials are wrapped outside the PVC, the service life can be further prolonged, and various environmental protection requirements can be met.

As a further improvement of the invention, the filling layer adopts high-elasticity polyester yarn or low-elasticity polyester yarn or cotton yarn or polypropylene fiber or polyester yarn or high-strength yarn, and the weaving layer adopts polyester fiber or acrylic fiber or polypropylene fiber or nylon material or silk or viscose fiber or acetate fiber or vinylon. Through above-mentioned technical scheme, can increase the intensity and the resilience of meshbelt, increase the plumpness of meshbelt for meshbelt non-deformable strengthens the touch of meshbelt, improves the comfort level of human contact

As a further improvement of the invention, the woven layer further comprises a thermal fuse such that the outer surface of the intermediate layer is adhesively bonded to the inner surface of the woven layer. Through above-mentioned technical scheme, improve the degree of cohesion of meshbelt weaving layer and inner core, prevent that both slide each other.

As a further improvement of the invention, the outer surface of the PVC hollow pipe is a rough surface. Through above-mentioned technical scheme, improve the degree of cohesion of weaving layer and inner core.

In order to solve the technical problem, the invention further provides a piece of seating furniture, which comprises a supporting surface, wherein the supporting surface is formed by winding or weaving the braid. Through above-mentioned technical scheme, this thing to sit on's seat face can adopt the direct winding of above-mentioned meshbelt, make thing to sit on can make more models, the shortcoming of utilizing current meshbelt easily lax has been solved, and thing to sit on the gas permeability is good, it is difficult for going mildy in the open air, more can adapt to outdoor environment, it is higher to have compared present market to adopt the thing to sit on comfort level of rattan or bamboo, and the thing to sit on of rattan system is in the manufacture process, need the personnel of making tensioning rattan, hard and the rattan can't retract, make the rattan under the effect of tensioning, more and more lax.

As a further development of the invention, the support surface comprises a sitting surface for a person to sit on. Through above-mentioned technical scheme, the meshbelt of cladding PVC hollow tube is softer than ordinary plastics rattan and is changeed and weave, and it is higher to weave whole thing to sit on the use comfort level of back, and the people sits on it soft elasticity, and then has improved the use comfort level of thing to sit on, has alleviateed the weight of thing to sit on.

According to the woven belt containing the PVC hollow pipe and the seat containing the woven belt, the woven belt has the advantages of high strength, good rebound resilience, difficult aging, antibiosis and mildew prevention; the woven belt can automatically contract, is soft and is full and three-dimensional; the seat can have rich appearance and shape, light weight and long service life; the seat surface of the seat is also made of the woven belt, so that the comfort level of a human body is improved.

Drawings

Fig. 1 is a schematic structural diagram of a three-layer core-spun braid provided in embodiment 8 of the present invention.

Figure 2 is a cross-section of a web provided in accordance with example 8 of the present invention.

Fig. 3 is a cross-sectional view of a webbing provided in embodiment 8 of the present invention.

In the figure: 1. weaving a layer; 2. an inner core; 21. a filling layer; 22. an intermediate layer.

Detailed Description

To further illustrate the technical means and effects of the present invention, the following detailed description of the preferred embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings.

Example 1

A PVC hollow pipe comprises the following components in parts by weight: 40 parts of PVC, 30 parts of plasticizer, 26 parts of calcium carbonate, 3.7 parts of stabilizer and 0.3 part of lubricant, wherein the plasticizer is trioctyl trimellitate (TOTM), the stabilizer is calcium-zinc stabilizer, and the lubricant is stearic acid. The results of the performance tests of the PVC hollow pipe of example 1 are shown in Table 1.

The preparation process of the PVC hollow tube granules (or pills) comprises the following steps: firstly, adding the raw material components into a high-speed mixer, and heating and mixing to obtain a uniform and dry mixture; and then adding the dry mixture into an extruder, heating to form a uniform melt, cooling, and shearing to prepare granules or pills.

Example 2

The PVC hollow pipe comprises, by weight, 42 parts of PVC, 31 parts of a plasticizer, 24.3 parts of calcium carbonate, 2.5 parts of a stabilizer and 0.2 part of a lubricant, wherein the plasticizer is dioctyl phthalate (DPHP), the stabilizer is a calcium-zinc stabilizer, and the lubricant is PE wax. The PVC pellets (or pills) are prepared by the method. The results of the performance tests of the PVC hollow pipe of example 2 are shown in Table 1.

Example 3

A PVC hollow pipe comprises, by weight, 43 parts of PVC, 34 parts of a plasticizer, 20.5 parts of calcium carbonate, 2.3 parts of a stabilizer and 0.2 part of a lubricant, wherein the plasticizer is dioctyl terephthalate (DOTP), the stabilizer is a calcium-zinc stabilizer, and the lubricant is stearic acid or PE wax. The PVC pellets (or pills) are prepared by the method. The results of the performance tests of the PVC hollow pipe of example 3 are shown in Table 1.

Example 4

A PVC hollow tube comprises, by weight, 47 parts of PVC, 32.5 parts of a plasticizer, 18 parts of calcium carbonate, 2 parts of a stabilizer, 0.2 part of a lubricant and 0.3 part of a mildew-proof antibacterial agent, wherein the plasticizer is trioctyl trimellitate (TOTM) and dioctyl phthalate (DPHP) account for half of the plasticizer, the stabilizer is a calcium-zinc stabilizer, and the lubricant is stearic acid. The PVC pellets (or pills) are prepared by the method. The results of the performance tests of the PVC hollow pipe of example 4 are shown in Table 1.

Example 5

A PVC hollow pipe comprises, by weight, 50 parts of PVC, 30.5 parts of plasticizer, 17 parts of calcium carbonate, 1.7 parts of stabilizer, 0.3 part of lubricant, 0.3 part of mildew-proof antibacterial agent and 0.2 part of weather-proof ultraviolet-resistant agent, wherein the plasticizer is dioctyl phthalate (DPHP) and dioctyl terephthalate (DOTP) account for half of the plasticizers, the stabilizer is calcium-zinc stabilizer, and the lubricant is stearic acid. The PVC granules (or pills) are prepared by the method. The results of the performance tests of the PVC hollow pipe of example 5 are shown in Table 1.

Example 6

A PVC hollow pipe comprises, by weight, 55 parts of PVC, 26 parts of a plasticizer, 16.5 parts of calcium carbonate, 2.1 parts of a stabilizer, 0.2 part of a lubricant and 0.2 part of a weather-resistant and ultraviolet-resistant agent, wherein the plasticizer is dioctyl phthalate (DPHP) and dioctyl terephthalate (DOTP) account for half of the plasticizers, the stabilizer is a calcium-zinc stabilizer, and the lubricant is stearic acid. The PVC pellets (or pills) are prepared by the method. The results of the performance tests of the PVC hollow pipe of example 6 are shown in Table 1.

Example 7

The PVC hollow pipe comprises, by weight, 60 parts of PVC, 25 parts of a plasticizer, 13 parts of calcium carbonate, 1.7 parts of a stabilizer and 0.3 part of a lubricant, wherein the plasticizer is trioctyl trimellitate (TOTM) and dioctyl terephthalate (DOTP) account for half of the plasticizer respectively, the stabilizer is a calcium-zinc stabilizer, and the lubricant is PE wax. The PVC pellets (or pills) are prepared by the method. The results of the performance tests of the PVC hollow pipe of example 7 are shown in Table 1.

TABLE 1

Table 1 shows the performance test results of the seven examples, and it can be seen from table 1 that:

(1) the shore hardness is between 72 and 83 at 23 ℃ and room temperature, and the shore hardness from example 1 to example 7 shows a tendency to reduce the load rise, particularly as low as 72 in the composition of example 3;

(2) from example 1 to example 7, the values of specific gravity (g/m) decrease progressively;

(3) examples 1 to 7 all passed the temperature resistance level test of the type test at 70 ℃;

(4) the tensile strength is between 15 and 16MPa, and the elongation at break is between 360 and 430 percent;

(5) the embrittlement at the low temperature of minus 30 ℃ is lower than 15/30;

(6) by using a GB/T2951.12 test method, the hot air aging tensile strength can pass a type test of more than or equal to 10MPa under the condition of 100 +/-2 ℃ for 168h, and the change rate of the hot air aging tensile strength is +/-20%; the hot air aged elongation at break is greater than or equal to 150% under the condition of 100 +/-2 ℃ for 168h, and the change rate of the hot air aged elongation at break is +/-20% (not written in a table).

The PVC hollow pipe prepared from the components in the embodiment 3 can better meet the requirements of good rebound resilience and high breaking strength and can be more suitable for outdoor sunshine and temperature change through the performance test.

Example 8

A braid comprising a PVC hollow pipe, as shown in figure 1, comprises a weaving layer 1 and an inner core 2, wherein the weaving layer 1 is wrapped outside the inner core 2, the inner core 2 comprises a filling layer 21 and an intermediate layer 22, the filling layer 21 is filled in the inner cavity of the intermediate layer 22, and the outer surface of the intermediate layer 22 is contacted with the inner surface of the weaving layer 1.

The middle layer 22 of the present invention is the PVC hollow pipe of any one of embodiments 1 to 5, the filling layer 21 is made of high elastic polyester yarn or low elastic polyester yarn, and the high elastic polyester yarn or the low elastic polyester yarn is filled in the PVC hollow pipe.

The inner core 2, as shown in fig. 1-3, is prepared by placing a creel for high-elastic polyester yarns or low-elastic polyester yarns at the rear side of a feed port of a PVC extruder, allowing the high-elastic polyester yarns or the low-elastic polyester yarns to pass through a central hole of an extrusion port die of the extruder, extruding molten PVC granules or pellets through the extrusion port die to form a strip-shaped solid circular tube with a PVC hollow tube outside and the high-elastic polyester yarns or the low-elastic polyester yarns filled inside, wherein the filling layer 21 is in a bundle shape in the intermediate layer 22, that is, a plurality of high-elastic polyester yarns or low-elastic polyester yarns are arranged in parallel along the length direction of the hollow tube, and the filling layer 21 is filled in the processing process of the intermediate layer 22, so that the filling layer 21 can be adhered by using the residual heat of the intermediate layer 22 and the molten PVC which is not completely solidified inside, and the filling layer 21 is prevented from being separated from the intermediate layer 22. The PVC hollow pipe has the characteristics of water resistance, mildew resistance and oil resistance, and the PVC hollow pipe and the high-elasticity polyester yarns or the low-elasticity polyester yarns have good rebound resilience and can realize the automatic retraction of the inner core 2; high-elastic polyester yarn or low-elasticity polyester yarn is filled in the PVC hollow tube, so that the tensile breaking strength, elasticity and tension of the inner core 2 can be further enhanced, the braid is easy to shrink and not easy to break, the expansibility of the inner core 2 is also improved simultaneously, and the inner core 2 is more three-dimensional, full, soft and elastic.

Further, the filling layer 21 may also be made of high-strength yarn, such as polyester high-strength yarn and polypropylene high-strength yarn, to improve the tensile strength of the filling layer 21.

Furthermore, the filling layer 21 can also be made of cotton yarn or nylon material or polypropylene material or polyester yarn or viscose fiber or acetate fiber or vinylon, so that the weaving cost of the woven belt is reduced, and the woven belt is also suitable for occasions with low requirements on strength and retraction.

The warp and the weft of the weaving layer 1 are made of yarns or silk made of terylene, acrylic fibers, polypropylene fibers or nylon materials, and are interwoven to form a hollow round fabric, so that compared with rattan, wood and bamboo, the weaving layer has different touch senses, and the comfort level of surface contact of the woven tape is improved.

Specifically, the manufacturing process of the weaving layer 1 and the inner core 2 is to weave the warp and weft of the weaving layer 1 and the inner core 2 together to form a three-layer core-spun ribbon by penetrating the warp and weft on a disc machine or a ribbon loom.

Specifically, in the production process of the PVC hollow pipe of the intermediate layer 22, the extrusion temperature range of PVC is 120-. The friction force between the middle layer 22 and the weaving layer 1 is increased, so that the cohesion firmness of the middle layer 22 and the weaving layer 1 is improved, and the middle layer 22 is prevented from being drawn out of the weaving layer 1.

Of course, the rough matte surface formed on the outer surface of the PVC hollow pipe may also be caused by the rough surface of a mold, specifically, the inner PCV mold surface of the extruder is uneven, and the molten PVC is molded in the mold, so that the rough matte surface is formed on the outer surface of the PVC hollow pipe.

Of course, the outer surface of the PVC hollow pipe can also be processed directly to form a smooth, and the specific manufacturing process with the woven layer 1 is as follows: firstly, adding a plurality of thermal fuses into the raw materials of the warp and the weft of the weaving layer 1, wherein the thermal fuses are polyester thermal fuses or chinlon thermal fuses; secondly, in the forming process of a disc machine or a ribbon loom, the thermal fuse of the weaving layer 1 is interwoven at the inner side and the outer side of the weaving layer 1; then, heating the woven tape, and promoting the thermal fuse to melt at high temperature, wherein the molten thermal fuse is spread on the inner side and the outer side of the weaving layer 1; for the inner side of the weaving layer 1, the yarns of the warp and the weft are bonded by the hot melt, so that the common deformation problem of the existing woven tape can be overcome, and the shape and the weaving tightness of the weaving layer 1 are always kept in the initial state; for the outside of weaving layer 1, can the adhesion weave layer 1 and the smooth surface adhesion of intermediate level 22, play the fixed relative position of weaving between layer 1 and the inner core 2, prevent both from producing relative displacement, can prevent simultaneously that soft inner core 2 from producing deformation to improve the life of meshbelt.

Specifically, the size of the cavity of the intermediate layer 22 is determined according to the required strength of the woven tape, and the amount of the filaments and yarns of the filling layer 21 is determined according to the size of the cavity of the intermediate layer 22, so that the overall volume and weight of the woven tape can be better controlled.

The braid containing the PVC hollow pipe comprises a weaving layer 1 and an inner core 2, wherein the weaving layer 1 is wrapped outside the inner core 2, the inner core 2 comprises a filling layer 21 and a middle layer 22, the middle layer 22 is the PVC hollow pipe, and the filling layer 21 is filled in the middle layer 22; the filler 21 improves the expansion degree and strength of the inner core 2; intermediate level 22 adopts the PVC hollow tube for the meshbelt only can make weaving layer become wet after being stained with the rainwater, blows the air that shines or indoor quick circulation in open air, makes the meshbelt dry out very easily, prevents that the meshbelt from mildening and rot, and then improves the life of meshbelt.

Example 9

A piece of seating furniture comprises a sofa, a chair lift, a deck chair, a stool, a bench, a dining chair, a clamping seat, a footrest and a chair cushion, wherein a supporting surface of the seating furniture is formed by winding the woven belt in the embodiment 8 on a framework of the seating furniture, the supporting surface comprises a backrest surface, an armrest surface and a seat plate surface, and the seat plate surface is a contact surface of the buttocks of a human body; when a person sits on the seat, the woven belts can generate upward tension and slightly sink, so that the person sits on the seat more comfortably, when the person leaves from the upper side, the resilience characteristic of the woven belts enables the seat board surface of the whole seat woven by the woven belts to recover into a plane, the phenomenon of collapse and sinking caused by no resilience is avoided, and the attractiveness and the use function of the whole seat are improved.

Certainly, the side table, the tea table and the dining table can be manufactured by utilizing the mesh belt, and the mesh belt is stiff and full in winding surface, strong in stereoscopic impression, waterproof, oil-proof and mildew-proof, and more portable.

Although the present invention has been described with reference to the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalents and alternatives falling within the spirit and scope of the invention.

Claims

1. The utility model provides a meshbelt containing PVC hollow tube, its characterized in that, includes weaving layer (1) and inner core (2), it wraps up to weave layer (1) the outside of inner core (2), inner core (2) include filling layer (21) and intermediate layer (22), filling layer (21) are filled in the inner chamber of intermediate layer (22), intermediate layer (22) are the PVC hollow tube, the component of PVC hollow tube includes according to part by weight: 40-60 parts of PVC, 25-34 parts of plasticizer, 13-26 parts of calcium carbonate, 1.7-3.7 parts of stabilizer and 0.2-0.3 part of lubricant.

2. The mesh belt comprising the PVC hollow pipe as claimed in claim 1, wherein the PVC hollow pipe comprises the following components in parts by weight: 42-50 parts of PVC, 30.5-34 parts of plasticizer, 17-24.3 parts of calcium carbonate, 1.7-2.5 parts of stabilizer and 0.2-0.3 part of lubricant.

3. The woven belt comprising the PVC hollow pipe as claimed in claim 2, wherein the PVC hollow pipe comprises the following components in parts by weight: 43-47 parts of PVC, 32.5-34 parts of plasticizer, 18-20.5 parts of calcium carbonate, 2-2.3 parts of stabilizer and 0.2 part of lubricant.

4. The woven tape comprising PVC hollow tube according to claim 1, wherein the plasticizer is one or two selected from trioctyl trimellitate (TOTM), dioctyl phthalate (DPHP) and dioctyl terephthalate (DOTP), the lubricant is stearic acid or PE wax, and the stabilizer is calcium zinc stabilizer.

5. The braid comprising PVC hollow tubes as claimed in any one of claims 1 to 4, wherein the PVC hollow tube component further comprises 0.3 parts of a mildew-proof antibacterial agent.

6. The woven tape comprising PVC hollow tubes as claimed in any one of claims 1 to 4, wherein said PVC hollow tube component further comprises 0.2 parts of a weather resistant anti-UV agent.

7. The woven belt comprising PVC hollow pipes as claimed in claim 1, wherein the filling layer (21) is made of high-elasticity polyester yarn or low-elasticity polyester yarn or cotton yarn or polypropylene fiber or polyester yarn or high-strength yarn, and the woven layer (1) is made of polyester fiber or acrylic fiber or polypropylene fiber or nylon material or viscose fiber or acetate fiber or vinylon.

8. The webbing comprising the PVC hollow tube as claimed in claim 7, characterized in that the woven layer (1) further comprises a thermal fuse, so that the outer surface of the intermediate layer (22) is adhered to the inner surface of the woven layer (1).

9. The webbing comprising the PVC hollow tube of claim 1, wherein the outer surface of the PVC hollow tube is rough and rough.

10. A seat, characterized in that, the seat comprises a support surface, the support surface is formed by winding or weaving the braid containing the PVC hollow pipe according to any one of the above claims 1 to 9.

11. A seating apparatus as claimed in claim 10 wherein the support surface comprises a seating surface for a person to sit on.