CN113715357B

CN113715357B - Composite technology of transparent anti-slip carpet

Info

Publication number: CN113715357B
Application number: CN202111023386.4A
Authority: CN
Inventors: 洪财峰
Original assignee: Haining Shublanket Carpet Technology Co ltd
Current assignee: Haining Shublanket Carpet Technology Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2023-05-26
Anticipated expiration: 2041-09-02
Also published as: CN113715357A

Abstract

The invention discloses a composite technology of a transparent anti-slip carpet, which comprises the steps of firstly preheating a screw rod, an interface and a die in a host machine, and controlling the preheating temperature and time; meanwhile, the TPE material is preheated to 60-70 ℃ to remove water vapor on the surface, the TPE material is sucked into a storage barrel through a vacuum pump and enters a screw rod, the screw rod starts to push the TPE material which is not melted yet forwards from a heating area A, pasty TPE is formed along with the increase of the rotation speed of the screw rod, and the TPE material is extruded along with a die after being pushed to a connector; at the moment, the fabric layer enters between the rubber roller and the embossing roller after passing through the discharging device, the die synchronously moves to the position above the rubber roller and the embossing roller, and the extrusion quantity and the extrusion speed of TPE in the die are controlled; the fabric layer and the TPE layer are compounded through the rubber roller and the embossing roller, and the pressure between the rubber roller and the embossing roller is controlled during compounding. The invention controls the process temperature and the composite pressure to ensure that the composite carpet is integrally smooth, has good anti-slip effect, does not warp edges, is wear-resistant and anti-aging, and is safe and reliable.

Description

Composite technology of transparent anti-slip carpet

Technical Field

The invention relates to a compounding process of a carpet, in particular to a compounding process of a transparent anti-slip carpet.

Background

Currently, the existing general household surface decoration materials comprise: wood flooring, marble, board, tile. However, the conventional home carpets on the market are placed on the top surface, and the good wear resistance and the anti-skid effect cannot be achieved at all. The anti-slip material at the bottom of the existing household carpet comprises:

1. and (3) compounding latex: the main process is that the liquid emulsion is sprayed on the back of the carpet by a spray head, then dried and rolled by an upper die and a lower die. Major disadvantages: the floor is strong in smell, not wear-resistant, and falls off when meeting water, and the floor is powdery and even the latex is adhered to the floor.

2. Foaming rubber: the anti-slip agent is good in slip resistance, soft, overweight in smell and rubber in the whole room.

TPR compounding: the white TPR is compounded on the carpet, the milky white TPR is extruded by a tape casting machine and is directly compounded with the carpet surface, the TPR is rich in calcium carbonate powder, the extrusion is stable, the carpet surface is wide and almost fixed, but the edge is covered, the corner is easy to warp, too much calcium carbonate powder has relatively obvious expansion caused by heat and contraction caused by cold, the high and low temperature change is large, the deformation is easy, the carpet surface is mainly not wide, and the carpet surface is easy to wrinkle above 2 m.

4. Sponge: the anti-slip and anti-wear water-absorbing agent is good in slip resistance, flexible, not resistant to oxidation, not resistant to wear and easy to absorb water.

5. Compounding silica gel: the material is transparent, clean, strong in adsorption force and free of calcium carbonate powder, but because of the technical problem of the composite material, the surface silica gel is not wear-resistant, and the bottom is easy to deform.

The carpet back adhesive is used as a component part of the carpet and contacts with the ground, and the effects of flatness, no edge warping, wear resistance and the like are required to be achieved, so that the material selection and the composite technology are very important, the environment protection is required to be achieved, and the human health cannot be influenced in the use process.

Disclosure of Invention

The invention aims to solve the technical problem of providing a composite technology of a transparent anti-slip carpet, which enables the composite carpet to be integrally smooth, has good anti-slip effect, no edge warpage, wear resistance, aging resistance, no toxicity, no smell, safety and reliability by controlling the preheating temperature, the composite temperature and the composite pressure.

The technical scheme adopted for solving the technical problems is as follows: the transparent anti-slip carpet is compounded by a fabric layer and a TPE layer, wherein the TPE layer consists of 80-90% of styrene oxide-butadiene block copolymer and 10-20% of polypropylene, and is compounded by a thin casting compounding machine,

firstly, preheating a screw rod, an interface and a die in a host machine, wherein the screw rod comprises 9 heating areas, the heating area A is preheated to 100 ℃, the heating area B is preheated to 120 ℃, the heating area C is preheated to 150 ℃, the heating area D is preheated to 180 ℃, and the heating areas E-I are preheated to 195 ℃; the interface is preheated to 195 ℃; the die comprises 15 heating areas, wherein the preheating temperatures of the 1 st to 5 th heating areas and the 11 th to 15 th heating areas are up to 195 ℃, and the preheating temperatures of the 6 th to 10 th heating areas are up to 190 ℃; the whole preheating time is 55-65 minutes;

preheating a screw rod, an interface and a die in a host, preheating a TPE material of transparent particles to 60-70 ℃ to remove water vapor on the surface, and sucking the TPE material into a storage barrel through a vacuum pump; the screw speed at the preheating is also gradually increased from 125 rpm to 650 rpm; the screw rod starts to push the transparent particle TPE material which is not melted from the heating area A, pasty TPE is formed along with the increase of the rotation speed of the screw rod, and the pasty TPE is extruded along with the die after being pushed to the interface;

meanwhile, the fabric layer enters between the rubber roller and the embossing roller after passing through the discharging device, at the moment, the die synchronously moves to the position above the rubber roller and the embossing roller, the extrusion amount of TPE in the die is controlled, and the extrusion speed of the TPE is kept consistent with the advancing speed of the fabric layer; the fabric layer and the TPE layer are compounded through the rubber roller and the embossing roller, and the pressure between the rubber roller and the embossing roller is controlled during compounding.

Preferably, the transparent particulate TPE material is preheated to 65 ℃ to remove surface moisture.

Preferably, the pressure between the rubber roller and the embossing roller during compounding is 45-55 kg.

Preferably, the paste TPE has an extrusion rate of 1.1 to 1.8 Kg per square meter.

Preferably, the composite speed of the fabric layer and the TPE layer is 0.6-1.3 m/min.

As a further improvement, the bottom surface of the TPE layer is rolled into an anti-slip layer through embossing rollers, the anti-slip layer is formed by combining a plurality of polygons provided with elastic three-dimensional anti-slip patterns, and the plurality of elastic three-dimensional anti-slip patterns of two adjacent polygons face different directions.

Preferably, the 15 heating areas of the mold, wherein the temperatures of the 1 st to 5 th heating areas and the 11 th to 15 th heating areas are kept at 190 to 200 ℃, and the temperatures of the 6 th to 10 th heating areas are kept at 180 to 190 ℃.

Preferably, the temperature of the host machine is reduced by 5 ℃ in summer and increased by 15 ℃ in winter when the host machine is preheated.

Preferably, the fabric layer is a polyester material layer, a wool material layer, a nylon material layer, a polypropylene material layer or a leather layer.

The TPE material is transparent, clean, strong in adsorption capacity, free of calcium carbonate powder and free of deformation at the temperature of 50 ℃ below zero to 70 ℃ below zero. The baking temperature is only 0.05mm after 24 hours at 60 ℃, so the carpet is free from warping angle, is flat and smooth as a whole, is not telescopic, and is ideal for wide carpet compounding of the latest product (1-2.8 m wide) for compounding household carpets.

The extrusion speed and the flow rate of the die are different according to different material quality of the product materials, the pressure between the two rollers is also different, the speed during compounding is moderate, the temperature of the die, the pressure of the press roller and the advancing speed of the composite carpet material are coordinated and consistent, the extrusion amount of TPE and the advancing speed of the carpet are consistent, and the compounding is firm and does not wrinkle.

The TPE back adhesive reduces double bond hydrogenation saturation in TPE molecules in a hydrogenation mode, and the saturated TPE has better weather resistance, heat aging resistance, ozone resistance, toughness and thermal stability because the soft section is of a saturated olefinic structure, so that the problems of high temperature resistance and yellowing resistance of the TPE are fundamentally solved, and the application range of products is expanded.

The invention can be placed on wood floors, marble, ceramic tiles, glass, metal plates and leather, does not slide, does not drop slag, does not have peculiar smell, is used for a long time, and does not scrape the wood floors; the children, the old and the children are protected from falling down and stumbled, and the novel anti-theft protective cover is suitable for wide popularization and use.

The invention has the beneficial effects that the transparent particle TPE material is preheated to 65 ℃ to remove water vapor on the surface, so that the transparent particle TPE material can be effectively and better compounded, the screw is provided with 9 heating areas, the die is provided with 15 heating areas, the pressure between the rubber roller and the embossing roller is controlled by controlling the preheating temperature and the working temperature of each heating area, the fabric layer and the TPE layer are perfectly compounded, the TPE layer has clear texture, is transparent and clean, is anti-slip and environment-friendly, is soft and flexible, has high temperature resistance of-50 ℃ to +70 ℃, and is abrasion-resistant and anti-aging (up to 10 years). The whole body is not deformed, cracked, edge-warped and slid. Has good anti-skid property and flatness, thereby thoroughly avoiding the hidden trouble of falling down caused by hooking the edge of the carpet when children and old people step on the carpet or the hidden trouble of sliding and leaning back of the carpet.

Drawings

FIG. 1 is a schematic diagram of preheating according to an embodiment of the present invention.

FIG. 2 is a schematic view of a screw in an embodiment of the present invention.

FIG. 3 is a schematic diagram of a mold in an embodiment of the invention.

Fig. 4 is a flow chart of an embodiment of the present invention.

FIG. 5 is a schematic top view of FIG. 4 of an embodiment of the present invention.

FIG. 6 is a schematic view of a backside portion of a TPE layer according to an embodiment of the invention.

Wherein, 1, a screw rod; 2. an interface; 3. a mold; 4. a storage barrel; 5. a rubber roller; 6. embossing rollers; 7. a rubber roller auxiliary roller; 8. an embossing roller auxiliary roller; 9. traction and braiding device; 10. a discharging device; 11. a compound machine; 12. an unreeling device; 13. a cold air device; 14. a trimming device; 15. a traction device; 16. a rice fixing device; 17. and a finished product winding device.

The invention is further described below with reference to the accompanying drawings.

Detailed Description

Example 1: referring to fig. 1, 2 and 3, a compounding process of a transparent anti-slip carpet is disclosed, the transparent anti-slip carpet is formed by compounding a fabric layer and a TPE layer, the fabric layer is made of wool material, the TPE layer is composed of 85% of styrene oxide-butadiene block copolymer and 15% of polypropylene, and is compounded by adopting a thin casting compounding machine, the specific steps are as follows,

firstly, preheating a screw 1, a metal interface 2 and a die 3 in a host machine, wherein the screw 3 comprises 9 heating areas, the heating area A is preheated to 100 ℃, the heating area B is preheated to 120 ℃, the heating area C is preheated to 150 ℃, the heating area D is preheated to 180 ℃, and the heating areas E-I are preheated to 195 ℃; the interface 2 is preheated to 195 ℃; the die 3 comprises 15 heating areas, wherein the preheating temperatures of the 1 st to 5 th heating areas and the 11 th to 15 th heating areas are up to 195 ℃, and the preheating temperatures of the 6 th to 10 th heating areas are up to 190 ℃; the total preheating time was 60 minutes.

The screw 1, the interface 2 and the die 3 in the host machine are preheated, meanwhile, the transparent particle TPE material is preheated to 65 ℃ by an oven to remove water vapor on the surface, the back of the TPE produced after the water is removed can be smooth and clear, and then the TPE material is sucked into the storage vat 4 by a vacuum pump; at this time, the rotation speed of the screw 1 preheated is gradually increased from 125 rpm to 650 rpm; the screw 1 advances the transparent particulate TPE material that has not yet melted from the heated zone a, forming a paste TPE as the rotational speed of the screw 1 increases, to the interface 2 and then out with the die 3.

Meanwhile, as shown in fig. 4 and 5, the fabric layer passes through a discharging device 10 and a traction and entanglement device 9 and then enters between a rubber roller 5 and an embossing roller 6 of a compound machine 11, wherein 7 is a rubber roller auxiliary roller; 8 is an embossing roller auxiliary roller, at this time, the die 3 synchronously moves to the upper parts of the rubber roller 5 and the embossing roller 6, the extrusion amount of TPE in the die 3 is controlled, and the extrusion speed of the TPE is kept consistent with the advancing speed of the fabric layer; the fabric layer and the TPE layer were compounded by the rubber roller 5 and the embossing roller 6, and the pressure between the rubber roller 5 and the embossing roller 6 was controlled to be 55kg during compounding.

When the fabric layer is made of wool material, the extrusion amount of the pasty TPE is 1.5-1.7 Kg/square meter; the composite speed of the fabric layer and the TPE layer is 1.1m/min. The 15 heating areas of the mold 3, wherein the temperatures of the 1 st to 5 th heating areas and the 11 th to 15 th heating areas are kept at about 195 ℃, and the temperatures of the 6 th to 10 th heating areas are kept at about 190 ℃. The poor temperature control can generate uneven glue, and the glue is intermittent.

As shown in fig. 6, the bottom surface of the TPE layer is pressed into an anti-slip layer by the embossing roller 6, the anti-slip layer is formed by combining a plurality of polygons provided with elastic three-dimensional anti-slip patterns, and the plurality of elastic three-dimensional anti-slip patterns of two adjacent polygons face different directions, so as to achieve the best anti-slip effect.

After the carpet is compounded, the carpet sequentially passes through an unreeling device 12; a cold air device 13 for cooling the composite carpet; the edge cutting device 14 cuts off the redundant parts on two sides of the composite carpet; a traction device 15; a rice setter 16, which is provided with a required length according to actual needs; finally, the finished product is fed into a finished product winding device 17, and the whole process production flow is completed. The whole composite process needs to be buckled, and parameters and temperatures are coordinated and consistent, so that high-quality products can be quantitatively produced, and consumers can use a safe good blanket.

Example 2: the second compounding process of the transparent anti-slip carpet comprises compounding a fabric layer and a TPE layer, wherein the fabric layer is made of terylene material, the TPE layer is composed of 82% of styrene oxide-butadiene block copolymer and 18% of polypropylene, compounding is carried out by adopting a thin casting compounding machine, the specific steps are as follows,

firstly, preheating a screw 1, a metal interface 2 and a die 3 in a host machine, wherein the whole preheating time is 58 minutes; while the screw 1, the interface 2 and the die 3 in the host machine are preheated, the transparent particle TPE material is preheated to 68 ℃ to remove water vapor on the surface.

Meanwhile, the fabric layer enters between the rubber roller 5 and the embossing roller 6 after passing through the discharging device 10, at the moment, the die 3 synchronously moves to the position above the rubber roller 5 and the embossing roller 6, the extrusion amount of TPE in the die 3 is controlled, the extrusion speed of the TPE is kept consistent with the advancing speed of the fabric layer, otherwise, after the TPE is discharged excessively, resistance is generated, the carpet is wrinkled; the fabric layer and the TPE layer were compounded by the rubber roller 5 and the embossing roller 6, and the space pressure between the rubber roller 5 and the embossing roller 6 was controlled to be 50kg during compounding.

When the fabric layer is made of terylene material, the extrusion amount of the pasty TPE is 1.3-1.6 Kg/square meter; the composite speed of the fabric layer and the TPE layer is 1m/min. The 15 heating areas of the mold 3, wherein the temperatures of the 1 st to 5 th heating areas and the 11 th to 15 th heating areas are kept at about 195 ℃, and the temperatures of the 6 th to 10 th heating areas are kept at about 190 ℃. The other steps are the same as in example 1.

Example 3: the third compounding technology of the transparent anti-slip carpet is that the transparent anti-slip carpet is compounded by a fabric layer and a TPE layer, the fabric layer is made of nylon material, the TPE layer is composed of 86 percent of styrene oxide-butadiene block copolymer and 14 percent of polypropylene, and is compounded by a thin casting compounding machine, the specific steps are as follows,

firstly, preheating a screw 1, a metal interface 2 and a die 3 in a host machine, wherein the whole preheating time is 62 minutes; while the screw 1, the interface 2 and the die 3 in the host machine are preheated, the transparent particle TPE material is preheated to 70 ℃ to remove water vapor on the surface.

Meanwhile, the fabric layer enters between the rubber roller 5 and the embossing roller 6 after passing through the discharging device 10, at the moment, the die 3 synchronously moves to the position above the rubber roller 5 and the embossing roller 6, the extrusion amount of TPE in the die 3 is controlled, and the extrusion speed of the TPE and the advancing speed of the fabric layer are kept consistent; the fabric layer and the TPE layer were compounded by the rubber roller 5 and the embossing roller 6, and the space pressure between the rubber roller 5 and the embossing roller 6 was controlled to be 52kg during compounding.

When the fabric layer is made of nylon material, the extrusion amount of the pasty TPE is 1.3-1.5 Kg/square meter; the composite speed of the fabric layer and the TPE layer is 1.2m/min. The 15 heating areas of the mold 3, wherein the temperatures of the 1 st to 5 th heating areas and the 11 th to 15 th heating areas are kept at about 200 ℃, and the temperatures of the 6 th to 10 th heating areas are kept at about 190 ℃. The other steps are the same as in example 1.

Example 4: the fourth compounding process of the transparent anti-slip carpet is formed by compounding a fabric layer and a TPE layer, wherein the transparent anti-slip carpet fabric layer is made of polypropylene fiber material, the TPE layer is composed of 83% of styrene oxide-butadiene block copolymer and 17% of polypropylene, and is compounded by adopting a thin casting compounding machine, and the specific steps are as follows,

firstly, preheating a screw 1, a metal interface 2 and a die 3 in a host machine, wherein the whole preheating time is 63 minutes; while the screw 1, the interface 2 and the die 3 in the host machine are preheated, the transparent particle TPE material is preheated to 67 ℃ to remove water vapor on the surface.

Meanwhile, the fabric layer enters between the rubber roller 5 and the embossing roller 6 after passing through the discharging device 10, at the moment, the die 3 synchronously moves to the position above the rubber roller 5 and the embossing roller 6, the extrusion amount of TPE in the die 3 is controlled, and the extrusion speed of the TPE and the advancing speed of the fabric layer are kept consistent; the fabric layer and the TPE layer were compounded by the rubber roller 5 and the embossing roller 6, and the space pressure between the rubber roller 5 and the embossing roller 6 was controlled to be 48kg during compounding.

When the fabric layer is made of polypropylene fiber, the extrusion amount of the pasty TPE is 1.0-1.4 Kg/square meter; the composite speed of the fabric layer and the TPE layer is 1m/min. The 15 heating areas of the mold 3, wherein the temperatures of the 1 st to 5 th heating areas and the 11 th to 15 th heating areas are kept at about 195 ℃, and the temperatures of the 6 th to 10 th heating areas are kept at about 190 ℃. The other steps are the same as in example 1.

Example 5: the fifth compounding technology of the transparent anti-slip carpet is that the transparent anti-slip carpet is compounded by a fabric layer and a TPE layer, the fabric layer is made of leather material, the TPE layer is composed of 87% of styrene oxide-butadiene block copolymer and 13% of polypropylene, and is compounded by a thin casting compounding machine, the specific steps are as follows,

firstly, preheating a screw 1, a metal interface 2 and a die 3 in a host machine, wherein the whole preheating time is 66 minutes; while the screw 1, the interface 2 and the die 3 in the host machine are preheated, the transparent particle TPE material is preheated to 69 ℃ to remove water vapor on the surface.

Meanwhile, the fabric layer enters between the rubber roller 5 and the embossing roller 6 after passing through the discharging device 10, at the moment, the die 3 synchronously moves to the position above the rubber roller 5 and the embossing roller 6, the extrusion amount of TPE in the die 3 is controlled, and the extrusion speed of the TPE and the advancing speed of the fabric layer are kept consistent; the fabric layer and the TPE layer were compounded by the rubber roller 5 and the embossing roller 6, and the space pressure between the rubber roller 5 and the embossing roller 6 was controlled to be 45kg during compounding.

When the fabric layer is made of leather material, the extrusion amount of the pasty TPE is 1.2-1.5 Kg/square meter; the composite speed of the fabric layer and the TPE layer is 1.2m/min. The 15 heating areas of the mold 3, wherein the temperatures of the 1 st to 5 th heating areas and the 11 th to 15 th heating areas are kept at about 200 ℃, and the temperatures of the 6 th to 10 th heating areas are kept at about 190 ℃. The other steps are the same as in example 1.

Claims

1. The utility model provides a compound technology of transparent limited slip carpet, transparent limited slip carpet is formed by compounding precoat and TPE layer, TPE layer comprises 80 ~ 90% styrene oxide-butadiene block copolymer and 10 ~ 20% polypropylene, its characterized in that: compounding by adopting a thin casting compounding machine, specifically comprising the following steps,

firstly, preheating a screw (1), an interface (2) and a die (3) in a host, wherein the screw (1) comprises 9 heating areas, the heating area A is preheated to 100 ℃, the heating area B is preheated to 120 ℃, the heating area C is preheated to 150 ℃, the heating area D is preheated to 180 ℃, and the heating areas E-I are preheated to 195 ℃; the interface (2) is preheated to 195 ℃; the die (3) comprises 15 heating areas, wherein the preheating temperatures of the 1 st to 5 th heating areas and the 11 th to 15 th heating areas are up to 195 ℃, and the preheating temperatures of the 6 th to 10 th heating areas are up to 190 ℃; the whole preheating time is 55-65 minutes;

preheating a screw (1), an interface (2) and a die (3) in a host machine, and simultaneously preheating a TPE material with transparent particles to 65 ℃ to remove water vapor on the surface, and sucking the TPE material into a storage barrel (4) through a vacuum pump; the speed of the preheated screw (1) is gradually increased from 125 rpm to 650 rpm; the screw (1) starts to push the transparent particle TPE material which is not melted from the heating area A forward, and pasty TPE is formed along with the increase of the rotating speed of the screw (1), and the transparent particle TPE material is extruded along with the die (3) after being pushed to the interface (2); the extrusion amount of the pasty TPE is 1.1-1.8 kg per square meter;

meanwhile, the fabric layer enters between the rubber roller (5) and the embossing roller (6) after passing through the discharging device (10), at the moment, the die (3) synchronously moves to the positions above the rubber roller (5) and the embossing roller (6), the extrusion amount of TPE in the die (3) is controlled, and the extrusion speed of the TPE is consistent with the advancing speed of the fabric layer; compounding a fabric layer and a TPE layer through a rubber roller (5) and an embossing roller (6), wherein the compounding speed of the fabric layer and the TPE layer is 0.6-1.3 m/min; and controlling the pressure between the rubber roller (5) and the embossing roller (6) during compounding, wherein the pressure between the rubber roller (5) and the embossing roller (6) during compounding is 45-55 kg.

2. A process for compounding a transparent limited slip carpet as defined in claim 1, wherein: the anti-slip layer is pressed on the bottom surface of the TPE layer through an embossing roller (6), and is formed by combining a plurality of polygons provided with elastic three-dimensional anti-slip patterns, and the elastic three-dimensional anti-slip patterns of two adjacent polygons face different directions.

3. A process for compounding a transparent slip-resistant carpet as claimed in claim 1 or 2, wherein: when the main machine is preheated, the temperature is reduced by 5 ℃ in summer and increased by 15 ℃ in winter.

4. A process for compounding a transparent slip-resistant carpet as claimed in claim 1 or 2, wherein: the fabric layer is a terylene material layer, a wool material layer, a nylon material layer, a polypropylene material layer or a leather layer.