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The fundamental function of door mat

The fundamental function of door mat

The fundamental function of door mat


(1) function of keeping warm and regulating


door mat fabric is mostly made of all kinds of fibers with good thermal insulation performance. Laying door mat in a large area can reduce the heat loss through the floor, block the invasion of the cold air on the ground, and make people feel warm and comfortable. The test shows that after the door mat is laid in the room with heating, the heat preservation value will be increased by about 12% compared with that without door mat.


The fundamental function of door mat


The gap between door mat fabric fibers has a good function of regulating air humidity, when the indoor humidity is high, it can absorb water; when the indoor humidity is dry, the moisture in the gap will be released again, so that the indoor humidity can be adjusted and balanced to a certain extent, which makes people comfortable and comfortable.


(II) Sound absorption function


The rich texture of door mat and the appearance of plush cluster have good sound absorption effect, and can reduce the influence of noise properly. Because the door mat absorbs the sound, reduces the sound repeated reflection, thus improves the listening sound clear degree, therefore the indoor tape recorder and so on sound equipment, its music effect is more full and melodious. Outside the dagger, the footsteps will disappear when walking indoors, reducing the cluttered sound interference around, which is conducive to the formation of a quiet living environment.


(III) comfort function


When people walk on the hard ground, the soles of their feet focus on the ground and the reaction force on the ground, which makes people feel uncomfortable and prone to fatigue. After laying the door mat, because the door mat is a fabric rich in elastic fiber, it has full, thick and soft texture, so it will produce good resilience when walking on it, which makes people walk briskly and feels comfortable and soft, which is beneficial to eliminate fatigue and tension.


In modern rooms, due to the rigidity and indifference of steel, cement, glass and other building materials, people pay great attention to how to change them in order to pursue the softness and comfort of touch and vision. The door mat bedding gives people warmth and plays a very important role.


(IV) Aesthetic function


door mat texture is full, the appearance is beautiful, after laying the ground can appear dignified and gorgeous, obtains the excellent decoration effect. Once the door mat is laid on the rigid flat floor, the room will be full of brilliance, spiritual pleasure, give people a kind of aesthetic enjoyment.


door mat occupies a large area in indoor space, which determines the tone of bedroom decoration style. The choice of different patterns, different colors of the door mat, can create a unique environmental atmosphere. The solemn and warm large hall, the tranquility and elegance of the clubroom, the warmth of the home house, the door mat plays an important role in these different bedroom atmosphere environment.


III. Performance requirements of door mats


door mat is not only a kind of paving material, but also a kind of decorative fabric, so the performance requirements of door mat fabric have both these two aspects.


(I) firmness


The door mat needs to bear a lot of pressure, the pressing of furniture utensils, the stampede when people walk frequently, so that the fiber is often in a tired state, so the door mat is required to have good wear resistance and pressure resistance. Pile should have better resilience and higher density, not easy to fall. Most of the daily cleaning door mat dust is adsorbed by vacuum cleaners and other electric machines, so the fiber and tissue structure of the door mat should have a certain degree of fastness and is not easy to remove velvet.


door mat exposed to air for a long time, because of photosynthesis, especially the sun, the color will be affected, so there are also certain standards and requirements in fiber color fastness.


(II) warmth preservation


The warmth of the door mat is determined by its thickness, density and the type of fiber used on the pile. The door mat is made up of countless clusters of pile heads or rings to form a thick and soft pile. The velvet and velvet ring are long and dense, and the fluffy door mat is especially warm. The heat preservation of synthetic fiber is generally better than that of natural fiber, and the wool of natural fiber is better than silk and hemp. Besides, the warmth of the door mat also has a lot to do with whether there is a cushion under the door mat and the structure of the liner, so the use of the liner can enhance the warmth preservation performance of the door mat.


(III) comfort


The comfort of door mat mainly refers to the foot comfort when walking. This includes fiber properties, velvet softness, elasticity and fullness. Natural fiber is better than synthetic fiber in foot comfort, especially wool fiber, soft and elastic, comfortable and briskly. Chemical fiber door mats generally have the defect of foot lag. The door mat with a height of 10-30 mm ^ has good softness and elasticity, full but not losing strength, and comfortable walking feet. Velvet is too short, although durable, easy to walk, but lack of soft elasticity, poor foot feeling.


(IV) Sound absorption and sound insulation


door mat should have good sound absorption and sound insulation performance, which requires careful selection when determining fiber raw materials, door mat surface thickness and density, considering the sound absorption rate, in order to meet the requirements of sound absorption and sound insulation performance in different environments. Theatres, large conference rooms and other places attach great importance to sound quality, strive to prevent noise intrusion, door mat sound absorption, sound insulation performance requirements are high, generally used at home so properly grasp.


(V) pollution resistance


door mat is exposed in a large area when used, people often walk on it, rest during rest, dust debris is easy to stain door mat, so door mat is not easy to pollute, easy to decontamination and cleaning performance. The door mats used in the family room need to be pollution-resistant and easy to clean daily.


door mats also need to have good antibacterial, anti-mildew and worm-eating properties, especially wool fiber woven door mats in the environment of high temperature and humidity, easy mildew moths, so it is necessary to carry out mothproof treatment to ensure the good performance and service life of the door mat.


(VI) Safety and security


The safety of door mat includes antistatic property and flame retardancy.


When people walk on the door mat, the soles and velvet friction tend to produce static electricity, once the fingers come into contact with metal objects, there will be a slight electric shock. Static electricity also makes door mat pile easy to dust, and produces the feeling of foot entanglement, which is particularly obvious for chemical fiber door mat. Therefore, some methods of antistatic are being studied, such as mixing metal fiber, carbon and conductive fiber material into pile fiber, or mixing very fine carbon black into the adhesive on the opposite side of door mat, which can prevent and reduce the occurrence of static electricity.


Modern door mats need to be flame retardant, low smoke and no toxic gas when burning. At present, wool door mats have good flame retardancy, and synthetic fiber door mats are easy to burn and melt. The method to improve the flame retardancy of synthetic fiber door mat is to make it reverberate with flame retardant copolymer in the polymer stage of synthetic fiber production, and then spinning. This method is widely used in the production of lunar green fiber. This method is widely used in polyester fiber production by adding flame retardant and spinning in polymer stage. All the above methods can improve the flame retardancy of synthetic fiber door mat.


  1. Main technical properties of door mats


(I) Wear resistance


The wear resistance of the door mat is expressed by the number of wear resistance. That is, the number of times the door mat is ground under fixed pressure to reveal the back lining. The more wear-resistant times, the better the wear resistance. Wear resistance is related to the material used, the length of fluff and the number of channels. Wear resistance is an important index to reflect the durability of door mat.


(II) elasticity


The elasticity of door mat refers to the percentage of thickness decrease of door mat after a certain number of collision (dynamic load). Table 3-3 shows that the elasticity of pure wool door mat is better than that of chemical fiber door mat, while the elasticity of inner fiber door mat is not as good as that of moon green door mat.


(III) peeling strength


Peeling strength is not only a performance index to measure the composite strength of door mat surface layer and backing, but also an index to measure the water resistance of door mat after composite. The boring peeling strength of chemical fiber door mat in Shanghai, China is above 0.1MPa.


It exceeds the same kind of products in Japan.


(IV) adhesive force


Adhesion is an indicator of the firmness of door mat fluff on the back lining.


(V) Aging resistance


The anti-aging property is mainly for chemical fiber door mats. This is due to the oxidation of chemical synthetic fibers under the action of air, light and other factors, resulting in the degradation of properties. The wear resistance, elasticity and color of chemical fiber door mat are usually evaluated after ultraviolet irradiation for a certain period of time.


(VI) Antistatic property


Chemical fiber door mat is easy to produce static electricity, dust and difficult to clean and other problems, when serious, people have the feeling of electric shock. Therefore, chemical fiber door mat production is often mixed with appropriate amount of antistatic agent. Antistatic property is expressed by external resistance and electrostatic pressure.


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