Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B27/00—Layered products comprising a layer of synthetic resin
  • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
• • D—TEXTILES; PAPER
  • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
  • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
  • D04H13/00—Other non-woven fabrics

Definitions

• the present invention relates to a novel thermal insulation material and a method for manufacturing the same, and more particularly, the present invention relates to a novel multi-film-pile plush thermal insulation material (sun velvet) and a method for manufacturing the same.
• Background technique
• thermal insulation materials for clothing people mostly use natural fibers such as wool, cotton, and silk, chemical fibers such as acrylic, nylon, and man-made fibers such as viscose to form mesh or layered fabrics, taking advantage of their low thermal conductivity and Multi-layer nozzle barriers keep warm.
• the above-mentioned layer and net-like thermal insulation materials use surface contact thermal conduction as the main thermal conduction method, and their thermal insulation rate is limited. If the thermal insulation rate is to be increased, the unit dosage and level of the material must be increased, which is inconvenient to use.
• a layer with a metal coating layer also known as "space cotton” or “metal wool”.
• the thermal insulation material is shielded by one or more single-sided or double-sided metal-coated thin film layers and reflects radiant heat to enhance the thermal insulation of the material, and at the same time, makes the thermal insulation material light and thin.
• the "metal wool” has poor air permeability, hygroscopicity, softness, and fastness to washing, which limits its range of use.
• U.S. Patent Nos. 4,230,057, 4,525,406, 4,508,776, and CN86108763 all disclose structures that include a structure that inhibits heat convection and heat conduction and at least one layer of a substantially continuous, low-emissivity surface layer.
• Layer structure material is a fiber material fabric or other filling material having a high porosity; such as a fiber mesh fabric, a pile fabric, an inorganic material layer such as a porous foam sheet, and the like.
• the at least one substantially continuous, low-emissivity surface layer (surface) is a coating of aluminum, zinc, chromium, or a dielectric (metal) material such as titanium oxide.
• the above-mentioned structural materials can greatly inhibit the formation of heat convection, conduction and radiation. 95/22645 Heat is lost, but its thermal insulation effect is still limited. The permeability, moisture absorption, softness and wash fastness of the metal coating are still poor.
• the Crowe value (CLO) of this type of metal wool is below 0.88, less than 1; the heat conduction number is in the range of 6-8, and the heat preservation rate is about 50%.
• the purpose of the present invention is to provide a novel multi-layer fleece (high-elastic fiber) thermal insulation material in order to overcome the above-mentioned shortcomings.
• the thermal insulation material not only has excellent thermal insulation properties, excellent air permeability, and display performance. And softness, and the insulation material can be made thin and light.
• Another object of the present invention is to provide a novel method for manufacturing a multi-layered pile (high elastic fiber) heat insulation material, which is simple in process and low in cost.
• the structure of the multi-layer plush thermal insulation material of the present invention is as follows (see Figure 1);
• a fluffy and fluffed plush (high elastic fiber) layer there are at least two extremely thin polymer organic film layers 1, 2 connected to the fiber layer, separating the fluffy and fluffed fiber layer into At least three layers 3, 4, and 5; the thin film layers 1, 2 together with the fleece fiber layer therebetween form a gas barrier layer that blocks heat convection and heat transfer, that is, a thermal barrier layer.
• natural fibers such as wool, silk, cotton, and down can be used as the plush fiber material; synthetic fibers such as acrylic, polypropylene, polyester, and spandex; and artificial fibers such as viscose.
• wool fiber is preferred, and the fiber may be subjected to a felt-proof treatment using a felt-resistant high-elasticity (styling) fiber.
• the polymer film material is preferably polyethylene, polyester, polypropylene, and / or polyurethane, etc., and its thickness is preferably 0.3 to 1 wire ( ⁇ ). CM Around.
• the polymer film and the plush fiber layer are connected by needle punching and other adhesives or auxiliaries.
• a metal film can be plated on each of the upper and lower film surfaces of the polymer organic thin film.
• the metal film is an aluminum film, an aluminum alloy film, or another metal (alloy) film having a reflection effect.
• the metal film layer may be a combination of a metal and a non-woven fabric, a woven fabric, a knitted fabric, or the like, and a combination of a metal and a film material such as polyethylene, polyester, polypropylene, or polyurethane.
• auxiliaries such as burners, mothproof agents, and antifungal agents can also be added to the pile (high elastic) fibers.
• the outermost layer of the heat-insulating material can also be treated for various uses such as waterproof treatment.
• the outermost surface layer of the thermal insulation material can also be made into a felt layer to be suitable for interior and exterior decoration of buildings.
• the multi-membrane plush thermal insulation material of the present invention is prepared by the following method.
• the softened plush (high elastic fiber) is laid between the polymer organic films 1 and 2, and then the plush layers 3, 4 and 5 are penetrated up and down by a needle punching machine to entangle the fibers with the film layers 1 and 2. stand up. After the needling passes through the film layers 1 and 2, the perforations rapidly retract, thereby forming a multilayer nozzle to prevent air convection.
• the plush layer 4 and the film layers 1 and 2 are needle-punched to form an airbag layer.
• the plush layers 3 and 5 are connected by needle-punching and are attached to two sides of the airbag layer.
• the fibers used may be subjected to a felt-proof treatment. After the fibers are subjected to a velvet treatment, the velvet fiber layer is uniformly sprayed with a setting curing agent, and then The box is dried at 100'C ⁇ 2 (TC to form a highly elastic shaped fiber layer.
• the subsequent process is the same as above.
• the thickness of the thin-film layer is preferably 0.3 to 1 wire.
• additives such as a flame retardant, a mothproof agent, or a mildew-proof agent may be added to the high-elasticity or high-elasticity shaped fiber (fleece) to adapt to different uses, The needs of the occasion.
• the high-elasticity setting fiber (fleece) layer and the thin Before the film layers are connected by needle punching, a metal (such as aluminum or aluminum alloy) film is deposited on one or both sides of the film layer by evaporation to form a metal film layer, and then needle punching and / or auxiliary agents are used. connection.
• a metal such as aluminum or aluminum alloy
• FIG. 1 is a schematic structural diagram of the present invention.
• (1) and (2) are polymer organic thin film layers; (3), (4), and (5) are high elastic fiber or high elastic shaped fiber layers. Best practice method of the present invention
• the 60 s wool fiber is fully opened, and it is processed into a net shape on a carding machine.
• the high-elastic fiber (fleece) web subjected to the texturing process is evenly spread between the polyethylene film layers 1 and 2 with a thickness of 1 wire to a thickness of 1 to 3 mm.
• the above-mentioned pile fiber layers with a thickness of 1 to 3 mm were evenly spread, so that the two sides of the pile fiber network had an average weight of about 60 g / m 2 .
• Use a needle punch to puncture the above 1 to 5 layers back and forth, so that the plush layer is entangled and entangled with the films 1 and 2.
• the films 1, 2 and the intermediate plush layer 4 form a rich and stable airbag layer.
• the airbag layer and its two outer plush layers 3 and 5 form a two-layer thin-film layer plush insulation material as shown in FIG. 1.
• the plush mesh fibers used between the two film layers 1, 2 are appropriately increased or decreased, so that the final finished product weights thereof range from 100 to 250 g / m 2 as shown in Tables 1 and 3, respectively.
• the fiber pile layers 1 a thickness of 5mm, outside film is a polyurethane film 0.4 thick wire, with the other embodiments Example 1, was prepared As shown in Figure 1, the two thin film layer plush insulation material.
• Example 1 Except that the film was a polypropylene film and had a thickness of 0.7 filaments, and the mat was treated with anti-felt after the fiber was treated, the other embodiments were the same as in Example 1.
• the anti-felt treatment is as follows:
• the pile fibers are treated with a pile, they are evenly spread into a thin film layer with a thickness of 1 to 3 mm.
• the curing curing agent is uniformly sprayed on the pile layer and dried in an oven at 100 ⁇ 20'C to form a high elasticity setting ( Plush) fiber.
• the same high-elasticity (fleece) fiber layer with a thickness of 1 to 3 mm and two sides treated with the same anti-felt treatment as described above is also laid and needle-punched to form as shown in Figure 1.
• the 65% cotton and 75% viscose fibers were fully loosened on an opener, and after velvet processing, they were evenly spread between polyester film layers 1 and 2 with a thickness of 1.0 silk, and the thickness of each fiber layer 1 to 5mm.
• the outer surfaces of the two thin film layers 1 and 2 were plated with a gold-aluminum layer by a vacuum evaporation method, and then covered with the same cotton / viscose velvet fiber layer of 1 to 5 mm thick. Needle-punched to form a two-film plush thermal insulation material with a metal film layer as shown in FIG. It is used for the insulation decoration of bedding and the walls of cars and cabins.
• thermo insulation material obtained in this embodiment can be used for the thermal insulation decoration of the inner wall of a building.
• Example 1 The 200 g / m 2 sample in Example 1 obtained above was subjected to a comprehensive warming performance test. The results are shown in Table 1.
• Example 2 The 352 g / m 2 sample obtained in Example 2 obtained above was measured for its air permeability. The results are shown in Table 2.
• Example 3 Comparing the warming effect of each of the 100g / m 2 , 160g / m 2 , 200g / m 2 , 250g / m 2 and 300g / m 2 and 400g / m 2 samples in Example 1 obtained above, The results are shown in Table 3.
• the multi-layered plush thermal insulation material of the present invention has a relatively low thermal conductivity and an extremely high thermal insulation rate (80. 08%); and it is excellent in air permeability, moisture permeability, and bulkiness, and its overall wearing and thermal insulation 6, the comfort index is excellent, the Crowe value reaches 3. 062.
• thermal insulation material of the present invention can be made thin and light, flame-retardant, anti-felt, waterproof, and low in cost. It can be seen from Table 3 that the clothing and quilt made of the material of the present invention can greatly reduce the effect of humans on the clothing and quilt. Use the necessary amount.
• thermal insulation material of the present invention can be used not only for the insulation and decoration of clothes, quilts, and indoor and outdoor buildings, but also for the insulation of indoor and outdoor pipes, boilers, and cold storage; aerospace and aviation and other industrial fields It is very versatile.

Landscapes

• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Nonwoven Fabrics (AREA)
• Laminated Bodies (AREA)

Priority Applications (1)

Applications Claiming Priority (14)

Publications (1)

Family

ID=27561195

Family Applications (1)

Country Status (2)

Cited By (1)

Citations (8)

• 1995
  • 1995-02-14 WO PCT/CN1995/000013 patent/WO1995022645A1/zh active Application Filing
  • 1995-02-14 JP JP7521494A patent/JPH09508944A/ja active Pending

Patent Citations (8)

Also Published As

Similar Documents

Legal Events