CN104981036A - 2D carbon fiber heating cloth - Google Patents

Abstract

The invention discloses a 2D carbon fiber heating cloth. The 2D carbon fiber heating cloth comprises preparation of a high-temperature-resistant carbon fiber lead and braiding of a heating cloth, wherein the high-temperature-resistant carbon fiber lead is composed of a carbon fiber filament and mica tape layers, the outer-side surface of the carbon fiber filament is wrapped by the multiple mica tape layers, the mica tape layers longitudinally wrap the outer side of the carbon fiber filament, the mica tape layers each successively comprise a polyester film and mica paper from the outer side to the inner side, and the polyester films and the mica paper are connected through a heatproof adhesive. The prepared high-temperature-resistant carbon fiber lead and a metal lead are braided to form the 2D carbon fiber heating cloth by use of a support of a heat conduction generating body, composed of draw texturing yarns. The high-temperature-resistant carbon fiber lead is embedded and braided in the latitudinal direction of a fabric at a certain interval, and a copper filament is radially distributed at the two edges of the conductive heating cloth. The 2D carbon fiber heating cloth has the following advantages: heat accumulation and overheating phenomena can be effectively prevented, and the service life is prolonged; the 2D carbon fiber heating cloth is safe, environmental friendly, pollution-free, wear-resistant and corrosion-resistant; and at the same time, heat radiation waves are just human body absorption wavelengths, and the physiotherapy health care effect is quite good.

Description

A kind of 2D carbon fibre heating cloth

Technical field

The present invention utilizes carbon fiber height heat conduction high-fire resistance energy, have developed a kind of 2D carbon fibre heating cloth and purposes.

Background technology

Carbon fiber is high-tech, the nanometer technology of generally acknowledging in the world, and carbon fiber heating is the good product of energy-saving and environmental protection and reduction of discharging; As everyone knows, the resource (coal-fired, fuel oil) of people's quasi-tradition is fewer and feweri, according to present exploitation rate, can only maintain decades.And face cost is more and more higher, and along with the progress of civilization of human society, the energy of human needs will get more and more, and environmental pollution is also more and more serious.In order to solve the contradiction between the mankind and resource, environment, energy-saving and emission-reduction will be the most important things of development in science and technology of future.

The carbon fiber major applications of developed countries in war industry, and in health care carbon fiber being applied to civil heating or human body seldom.

Utilize electric conduction of carbon fiber to send out thermal property, the electrothermal cloth designed and developed, there are wide market prospects.Produce sightless far red light rapidly after carbon fiber energising, the effects beneficial of far infrared to human body is harmless, and life all in the world be unable to do without far radiation.According to different instructions for uses, by the quantity of reasonable disposition carbon fiber filament and copper wire, the heating fabric of different voltage different capacity can be designed, can be used for warming, the health care of human body, as the thermal source of house, cold district inwall, the heat-preserving constant-temperature material of large-scale groove, tank and still, fermentation or the heat-preserving constant-temperature thermal source brewageed, greenhouse, seedling rearing room, greenhouse chamber and poultry feed the thermal source of room, for the antifreeze frost prevention etc. of the snow melting deicing of highway, airfield runway, the communication equipment such as anti-freezing and heat-insulating, cold district radar on cabin deck.

At present, carbon fiber heating technology is applied in and is domesticly also in the starting stage, household electrical appliance aspect, and for electric blanket, China's demand in 2012 is more than 1,700 ten thousand, and global demand, more than 3,000 ten thousand, adds the demand of the aspect such as electric pad, electric heater.Household electrical appliances electric heating field to the demand of carbon fiber more than 200 tons, wide market.

Summary of the invention

The present invention mainly have studied a kind of being applicable to and civilian effectively avoids accumulation of heat and overheated long service life carbon fibre heating cloth and purposes.

The present invention is achieved through the following technical solutions:

1. the preliminary treatment of carbon fiber filament

Prepare resin matrix in proportion: epoxy resin (40%), methyl tetrahydro phthalic anhydride (10%), flexibilizer (0.3%).The resin matrix prepared is poured in hot-melt coater machine glue groove, adjusting process parameter.

By large for carbon fiber tow prepreg, leaching material temperature degree (65 ~ 85 DEG C), compregnate power (0 ~ 0.4MPa), preimpregnation operating rate (1.0 ~ 3.0m/min), precuring 1.5h.

2. a 2D carbon fibre heating cloth, comprising: the preparation of temperature resistant carbon fiber conductor and the braiding of electrothermal cloth, and accompanying drawings is as follows:

(1) temperature resistant carbon fiber conductor

Polyester film 2, mica paper 3 connect obtained mica belt by Heat-Resisting Adhesive successively, and each Rotating fields stable connection between mica belt, can not scatter, and plays its resistant to elevated temperatures effect to greatest extent.Coated 1-3 stratus master tape layer on carbon fiber filament superficies, mica belt is longitudinally coated on outside carbon fiber filament.

Mica belt is connected by adhesive layer with between carbon fiber filament, is connected by adhesive layer fixing compact, prevents from occurring to produce between carbon fiber filament and mica belt when use temperature resistant carbon fiber conductor to move, and affects serviceability.

(2) weave

First low elastic polyester filament carries out adding wet process, relative humidity remains on more than 70%, the parameter of GA747 rapier loom is set: opening time 285 ° ± 2 °, back beam height 9cm, arrow shaft enters the shed open time 80 ° ± 2 °, and arrow shaft goes out shed open 280 ° ± 2 °, loom rotating speed 180r/min, pickwheel 23 tooth, the temperature resistant carbon fiber conductor of above-mentioned preparation and plain conductor are woven into 2D carbon fibre heating cloth by GA747 rapier loom by the support being made up of heat conduction generating body low elastic polyester filament.Temperature resistant carbon fiber conductor is the embedding broadwise being woven in fabric at certain intervals, copper monofilament is radially distributed in the both sides of conductive electrothermal cloth, use the electrothermal cloth close structure that two-dimentional plain weave technology weaves, mesh is even, has the advantages such as corrosion resistance is good and durable.

3. advantage of the present invention effectively can improve conductivity and high heat resistance and toughness, is conducive to incubation chamber and increases the service life.

accompanying drawing illustrates:

The structure chart of Fig. 1 temperature resistant carbon fiber conductor

List of parts in accompanying drawing representated by each label is as follows:

1 carbon fiber filament 2, polyester film 3, mica paper

Fig. 2 2D carbon fiber of the present invention is used for the braiding procedure chart of electrothermal cloth

Fig. 3 2D carbon fibre heating cloth

List of parts in accompanying drawing representated by each label is as follows:

1 carbon fiber filament 2, plain conductor

embodiment:

embodiment 1

First, by 6K polyacrylonitrile (PAN) base carbon fibre long filament through the ultrasonic 10min of acetone, then roughening treatment is carried out.Then, by carbon fiber by being equipped with in the hot-melt coater machine glue groove of the resin matrix of preparation, epoxy resin 40 parts, methyl tetrahydro phthalic anhydride 10 parts, flexibilizer 3 parts.Resin is transferred on processing release paper equably, makes made glued membrane continuous, even, smooth.

Then, with glued membrane, 6K polyacrylonitrile (PAN) base carbon fibre long filament is flattened, soaked into, prepreg temperature is 65 DEG C, prepreg pressure is 0.3MPa, prepreg operating rate is 3.0m/min, precuring 1.5h.

The mica belt of preparation is connected by adhesive layer with 6K polyacrylonitrile (PAN) base carbon fibre long filament, mica belt is longitudinally coated on outside carbon fiber filament, coated 3 layers, the copper monofilament of the temperature resistant carbon fiber conductor of above-mentioned preparation and diameter 0.15mm is woven into 2D carbon fibre heating cloth by GA747 rapier loom by the support being made up of heat conduction generating body 167dtex/30f low elastic polyester filament.

embodiment 2

First, by 6K polyacrylonitrile (PAN) base carbon fibre long filament through the ultrasonic 10min of acetone, then roughening treatment is carried out.Then, by carbon fiber by being equipped with in the hot-melt coater machine glue groove of the resin matrix of preparation, epoxy resin 40 parts, methyl tetrahydro phthalic anhydride 10 parts, flexibilizer 3 parts.Resin is transferred on processing release paper equably, makes made glued membrane continuous, even, smooth.

Then, with glued membrane, 6K polyacrylonitrile (PAN) base carbon fibre long filament is flattened, soaked into, prepreg temperature is 75 DEG C, prepreg pressure is 0.3MPa, prepreg operating rate is 3.0m/min, precuring 1.5h.

The mica belt of preparation is connected by adhesive layer with 6K polyacrylonitrile (PAN) base carbon fibre long filament, mica belt is longitudinally coated on outside carbon fiber filament, coated 3 layers, the copper monofilament of the temperature resistant carbon fiber conductor of above-mentioned preparation and diameter 0.15mm is woven into 2D carbon fibre heating cloth by GA747 rapier loom by the support being made up of heat conduction generating body 167dtex/30f low elastic polyester filament.

embodiment 3

First, by asphalt base carbon fiber long filament through the ultrasonic 10min of acetone, then roughening treatment is carried out.Then, by carbon fiber by being equipped with in the hot-melt coater machine glue groove of the resin matrix of preparation, epoxy resin 40 parts, methyl tetrahydro phthalic anhydride 10 parts, flexibilizer 3 parts.Resin is transferred on processing release paper equably, makes made glued membrane continuous, even, smooth.

Then, with glued membrane, asphalt base carbon fiber long filament is flattened, soaked into, prepreg temperature is 75 DEG C, prepreg pressure is 0.3MPa, prepreg operating rate is 3.0m/min, precuring 1.5h.

The mica belt of preparation is connected by adhesive layer with asphalt base carbon fiber long filament, mica belt is longitudinally coated on outside carbon fiber filament, coated 3 layers, the copper monofilament of the temperature resistant carbon fiber conductor of above-mentioned preparation and diameter 0.15mm is woven into 2D carbon fibre heating cloth by GA747 rapier loom by the support being made up of heat conduction generating body 167dtex/30f low elastic polyester filament.

Claims (8)

1. a 2D carbon fibre heating cloth, comprising: the preparation of temperature resistant carbon fiber conductor and the braiding of electrothermal cloth:

(1) temperature resistant carbon fiber conductor

Temperature resistant carbon fiber conductor is made up of carbon fiber filament and mica belt, carbon fiber filament outer surface is coated with multi layer cloud master tape layer, mica belt is longitudinally coated on outside carbon fiber filament, mica belt comprises polyester film, mica paper successively by outside to inner side, is connected between polyester film, mica paper by Heat-Resisting Adhesive;

(2) temperature resistant carbon fiber conductor of above-mentioned preparation and plain conductor are woven into 2D carbon fibre heating cloth by the support forming heat conduction generating body by low elastic polyester filament, temperature resistant carbon fiber conductor is the embedding broadwise being woven in fabric at certain intervals, and copper monofilament is radially distributed in the both sides of conductive electrothermal cloth.

2. 2D carbon fibre heating cloth according to claim 1, described carbon fiber filament first carries out pre-preg.

3. 2D carbon fibre heating cloth according to claim 1, the wherein one of little tow polyacrylonitrile (PAN) base carbon fibre of carbon fiber filament 3K, 6K, 12K, 24K in described step (1) or asphalt base carbon fiber.

4., according to 2D carbon fibre heating cloth according to claim 1, the polyester film in described step (1) is biaxially oriented polyester film.

5., according to 2D carbon fibre heating cloth according to claim 1, described Heat-Resisting Adhesive is modified epoxide resin adhesive.

6., according to 2D carbon fibre heating cloth according to claim 1, the plain conductor in described step (2) is the copper monofilament of diameter 0.15mm.

7., according to 2D carbon fibre heating cloth according to claim 1, low elastic polyester filament 167dtex/30f, 100dtex/40f or 76dtex/34f's in described step (2) is wherein a kind of.

8., according to 2D carbon fibre heating cloth according to claim 1, what described plain conductor and temperature resistant carbon fiber conductor adopted is two-dimentional plain weave technology.