CN1746360A - Nonwoven cloth-with firilia and production thereof - Google Patents

Nonwoven cloth-with firilia and production thereof Download PDF

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CN1746360A
CN1746360A CN 200410054382 CN200410054382A CN1746360A CN 1746360 A CN1746360 A CN 1746360A CN 200410054382 CN200410054382 CN 200410054382 CN 200410054382 A CN200410054382 A CN 200410054382A CN 1746360 A CN1746360 A CN 1746360A
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fiber
thorn
flax fibre
acupuncture
nonwoven fabric
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CN100396836C (en
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吴先祥
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Abstract

The invention is about the fibrilia non-woven fabrics and its process. It is made of 50-80% fibrilia and 50-20% low-melting fiber, or 50-70% fibrilia and 50-30% other fiber, or 100% fibrilia or 100% flame-retarded fibrilia. The process is simple and low cost. The non-woven fabrics have many advantages, so it is proper to use.

Description

Bast fiber nonwoven fabric and production method thereof
Technical field
The present invention relates to the technical field of a kind of bast fiber nonwoven fabric technical field and its production method.
Background technology
Flax fibre is because wide material sources, with low cost and nonpoisonous and tasteless, environmental protection, pollution-free, uvioresistant, advantage such as antistatic, on some sheet materials, well used, as the patent No. is that 91107025.7 Chinese patent " is made automotive upholstery with neddle bast fibre felt " and disclosed and does raw material with flax fibre and make a kind of automotive upholstery through processed, this kind made the method for automotive upholstery through mold pressing with bast fibre felt, it is characterized in that bast fibre felt is through combing by flax fibre, divide silk, prescind, lapping, acupuncture is made, then numb felt is soaked with synthetic resin, drying is softening handle after again in metal die heating and pressurizing make the inside gadget skeleton, and on skeleton, paste one deck ornament materials surface layer and make automotive upholstery through mold pressing, it no doubt has environment-friendly and green, advantages such as light weight is inexpensive, but because the irrationality of processing technology and combined ingredient, certainly will cause following defective:, make the original advantage of natural fabric ventilative because it adopts the method for carrying out the blanching moulding behind the surperficial impregnation of blended fiber again can cause this bast fibre felt gas permeability and moisture resistance to descend, moisture barrier properties comprises is lost to the greatest extent; Its typing relies on the solidification of surface resin in addition, and its inner fiber coheres firm inadequately mutually, also causes its intensity decreases, and particularly the top layer is long service time one, is more prone to bulk cargo and emits silk, influences its use; Also have its blanching moulding only to act on fibrolaminar surface, the internal fiber layer is difficult to obtain the blanching typing, so its embossed surface is decorporated easily inadequately obviously with firm; The gum dipping process complexity reduces production efficiency, has improved production cost, and it is in 03112616.2 the Chinese patent, so need us to do further improvement that the similar techniques problem also is present in number of patent application.
Summary of the invention
Primary technical problem to be solved by this invention provides a kind of bast fiber nonwoven fabric, and its reasonable science of preparing burden is for conveniently producing intensity height, with low cost and keep the nonwoven fabric of natural flax fibre advantage that the basis is provided.
Another technical problem to be solved by this invention provides a kind of production method of bast fiber nonwoven fabric, its process is simple, production cost is low, and the bast fiber nonwoven fabric that obtains had both kept that natural flax fibre is ventilative, the advantage of moisture absorption, environmental protection has also that intensity is big firmly, embossing obviously, the advantage that is not easy to fade away.
The present invention solves the technical scheme that above-mentioned primary technical problem adopts: a kind of bast fiber nonwoven fabric, it is characterized in that making by the flax fibre of 50-80% and the low-melting fiber of 50-20%, and above-mentioned percentage is mass percent; Or a kind of bast fiber nonwoven fabric, it is characterized in that making by the flax fibre of 50-70% and other fiber of 50-30%, above-mentioned percentage is mass percent; Or a kind of bast fiber nonwoven fabric, it is characterized in that making by 100% flax fibre or 100% fire-retardant flax fibre, above-mentioned percentage is mass percent.
The present invention solves the technical scheme that above-mentioned another technical problem adopts: a kind of production method of producing above-mentioned bast fiber nonwoven fabric, and it is characterized in that steps in sequence is: (1) blooms fluffy; Above-mentioned fiber such as flax fibre and low-melting fiber or flax fibre and other fiber or pure flax fibre are prepared according to the said ratio scope, and it is fluffy to bloom then, makes the blended fiber or the pure fiber of easy combing; (2) comb and parallel cotton fibers prior to spinning becomes net or air lay; Above-mentioned blended fiber or pure fiber are carded to thin fibrous web through combing machine for fur, carry out uniform lapping through the lapping machine again, laying becomes the stratum reticulare of multilayer or without the lapping machine and air-flow directly becomes net; (3) acupuncture moulding; Above-mentioned fiber web is stung in advance by pre-pricking machine, make the fluffy flocculus of structure, through stinging down, enter main-needling machine then and lead thorn again, make its THICKNESS CONTROL between 0.2-20 centimetre, heavily between the 80-2000 gram/Mi Pingfang; (4) calendering typing; If be mixed with the blended fiber of low-melting fiber, the stratum reticulare of above-mentioned acupuncture delivered in the baking oven bake, baking temperature is between 180-260 ℃, the time that bakes after coming out from baking oven, was delivered to roll extrusion on the roll squeezer between 2-10 minute, other blended fiber is then directly delivered to roll extrusion on the roll squeezer, pressure roller Pressure control between 2-5 kg/cm square, temperature between 180-260 ℃, go out cloth speed be controlled at 1-5 rice/minute.
Be carved with the pattern of annular knurl on its pressure roller of above-mentioned roll squeezer, utilize roll extrusion to go out floral designs at the bast fiber nonwoven fabric surface forming that is mixed with low-melting fiber.
Above-mentioned flax fibre is selected the flax fibre of 3-18 centimeter length for use.
Above-mentioned low-melting fiber is selected DE1.5-15, length 1.5-12 centimetre specification for use.
Above-mentioned pre-thorn is 60-80 thorn/Mi Pingfang, and acupuncture intensity is 2-4 newton; Following thorn is 60-80 thorn/Mi Pingfang, and acupuncture intensity is 2-4 newton; Main thorn is 80-120 thorn/Mi Pingfang, and acupuncture intensity is 2-4 newton.
Can sneak into fire resistance fibre in the above-mentioned fluffy step of blooming, its content is the 1-10% mass percent.
Adopt cutting needle 0.3-1.5 millimeter specification in the above-mentioned acupuncture forming step.
Other above-mentioned fiber can be for natural fabric such as cotton fiber, also can be chemical fibres such as polypropylene fibre, terylene or nylon.
Compared with prior art, the invention has the advantages that: owing to adopt flax fibre and low-melting fiber to carry out compatibility, again through blooming, the comb net, lapping, acupuncture, bake, steps such as roll extrusion, make between the flax fibre, and can inside and outside thoroughly winding cohere between flax fibre and the low-melting fiber, the only extreme fiber adhesion problems of having avoided impregnation to bring, so what both kept natural flax fibre and had is ventilative, moisture absorption, uvioresistant, antistatic, advantage such as antibiotic, simultaneously because interior outer fiber all twines and is bonded together, so fastness is good, be not easy to be scattered or emit a phenomenon, particularly adopt the pressure roller annular knurl, in through baking oven baking back cooling procedure, carry out roll extrusion, the floral designs that nonwoven fabric is extruded are concavo-convex obviously, third dimension is strong, attractive in appearance, and be not easy to take off, after sneaking into fire resistance fibre, can play fire retardation, so the application scenario is more extensive, adopt pure flax fibre or fire-retardant flax fibre, though fastness is more inferior a little, above-mentioned natural flax fibre performance is more outstanding, also is fit to extensive use.
The specific embodiment
Below in conjunction with embodiment the present invention is described in further detail.
Embodiment 1
(1) bloom fluffy; The fluffy blended fiber that becomes easy combing of blooming after the low-melting fiber preparation with the flax fibre of mass percent 70% and mass percent 30%, generally require their mixing and combing evenly just passable, flax fibre is selected the flax fibre of 3-18 centimeter length for use, and low-melting fiber is selected DE1.5-15, length 1.5-12 centimetre specification for use.
(2) comb and parallel cotton fibers prior to spinning becomes net; Above-mentioned blended fiber is carded to thin fibrous web through combing machine for fur, carry out uniform lapping through the lapping machine again, laying becomes the stratum reticulare of multilayer, and generally each stratum reticulare is controlled its thickness between 0.2-20 centimetre, and according to user's needs with every square grammes per square metre and the height of stratum reticulare laying to needs;
(3) acupuncture moulding; Above-mentioned fiber web is stung in advance by pre-pricking machine, make the fluffy flocculus of structure, pre-thorn is controlled at 60-80 thorn/Mi Pingfang, acupuncture intensity is 3 newton, speed generally be controlled at 200-350 thorn/minute, again through stinging down, be exactly from down and on thorn, following thorn is 60-80 thorn/Mi Pingfang, acupuncture intensity 3 newton, speed generally be controlled at 200-400 thorn/minute, enter main-needling machine then and lead thorn, main thorn is 80-120 thorn/Mi Pingfang, and acupuncture intensity is 3 newton, at last with the THICKNESS CONTROL of stratum reticulare between 0.2-20 centimetre, heavily for being good between the 80-2000 gram/Mi Pingfang.
(4) calendering typing; The stratum reticulare of above-mentioned acupuncture delivered in the baking oven bake, baking temperature is at 180-260 ℃, the time that bakes was at 3-4 minute, after coming out from baking oven, deliver to roll extrusion on the straight roll ray machine, pressure roller Pressure control in 3 kg/cm square, go out cloth speed and be controlled at 3 meters/minute, obtained the product bast fiber nonwoven fabric that we need, if engrave the pattern of annular knurl on the pressure roller of burnishing machine, the pressure roller roll extrusion goes out floral designs at the bast fiber nonwoven fabric surface forming.
Embodiment 2
(1) bloom fluffy; The fluffy blended fiber that becomes easy combing of blooming after the low-melting fiber preparation with the flax fibre of mass percent 50% and mass percent 50%, generally require their mixing and combing evenly just passable, flax fibre is selected the flax fibre of 3-18 centimeter length for use, and low-melting fiber is selected DE1.5-15, length 1.5-12 centimetre specification for use.
(2) comb and parallel cotton fibers prior to spinning becomes net; Above-mentioned blended fiber is carded to thin fibrous web through combing machine for fur, carry out uniform lapping through the lapping machine again, laying becomes the stratum reticulare of multilayer, and generally each stratum reticulare is controlled its thickness between 0.2-20 centimetre, and according to user's needs with every square grammes per square metre and the height of stratum reticulare laying to needs;
(3) acupuncture moulding; Above-mentioned fiber web is stung in advance by pre-pricking machine, make the fluffy flocculus of structure, pre-thorn is controlled at 60-80 thorn/Mi Pingfang, acupuncture intensity is 3 newton, speed generally be controlled at 200-350 thorn/minute, again through stinging down, be exactly from down and on thorn, following thorn is 60-80 thorn/Mi Pingfang, acupuncture intensity 3 newton, speed generally be controlled at 200-400 thorn/minute, enter main-needling machine then and lead thorn, main thorn is 80-120 thorn/Mi Pingfang, and acupuncture intensity is 3 newton, at last with the THICKNESS CONTROL of stratum reticulare between 0.2-20 centimetre, heavily for being good between the 80-2000 gram/Mi Pingfang.
(4) calendering typing; The stratum reticulare of above-mentioned acupuncture delivered in the baking oven bake, baking temperature is at 180-260 ℃, the time that bakes is at 5 minutes, after coming out from baking oven, delivers to roll extrusion on the burnishing machine, pressure roller Pressure control in 4 kg/cm square, go out cloth speed and be controlled at 3 meters/minute, obtained the product bast fiber nonwoven fabric that we need, engrave the pattern of annular knurl on the pressure roller of roll squeezer, when utilization came out to cool off from baking oven, the pressure roller roll extrusion went out floral designs at the bast fiber nonwoven fabric surface forming.
Embodiment 3
(1) bloom fluffy; With the fluffy blended fiber that becomes easy combing of blooming after the low-melting fiber of the flax fibre of mass percent 70% and mass percent 20% and the preparation of 10% fire resistance fibre, generally require their mixing and combing evenly just passable, flax fibre is selected the flax fibre of 3-18 centimeter length for use, and low-melting fiber is selected DE1.5-15, length 1.5-12 centimetre specification for use.
(2) comb and parallel cotton fibers prior to spinning becomes net; Above-mentioned blended fiber is carded to thin fibrous web through combing machine for fur, carry out uniform lapping through the lapping machine again, laying becomes the stratum reticulare of multilayer, and generally each stratum reticulare is controlled its thickness between 0.2-20 centimetre, and according to user's needs with stratum reticulare laying height and every square of grammes per square metre to needs;
(3) acupuncture moulding; Above-mentioned fiber web is stung in advance by pre-pricking machine, make the fluffy flocculus of structure, pre-thorn is controlled at 60-80 thorn/Mi Pingfang, acupuncture intensity is 3 newton, speed generally be controlled at 200-350 thorn/minute, again through stinging down, be exactly from down and on thorn, following thorn is 60-80 thorn/Mi Pingfang, acupuncture intensity 3 newton, speed generally be controlled at 200-400 thorn/minute, enter main-needling machine then and lead thorn, main thorn is 80-120 thorn/Mi Pingfang, and acupuncture intensity is 3 newton, at last with the THICKNESS CONTROL of stratum reticulare between 0.2-20 centimetre, heavily for being good between the 80-2000 gram/Mi Pingfang.
(4) calendering typing; The stratum reticulare of above-mentioned acupuncture delivered in the baking oven bake, baking temperature is at 180-260 ℃, the time that bakes is at 5 minutes, after coming out from baking oven, delivers to roll extrusion on the straight roll ray machine, pressure roller Pressure control in 4 kg/cm square, temperature is controlled at 180-260 ℃, goes out cloth speed and is controlled at 2 meters/minute, has obtained the product bast fiber nonwoven fabric that we need, engrave the pattern of annular knurl on the pressure roller of burnishing machine, utilize the pressure roller roll extrusion to go out floral designs at the bast fiber nonwoven fabric surface forming.
Embodiment 4
(1) bloom fluffy; The fluffy blended fiber that becomes easy combing of blooming after the low-melting fiber preparation with the flax fibre of mass percent 80% and mass percent 20%, generally require their mixing and combing evenly just passable, flax fibre is selected the flax fibre of 3-18 centimeter length for use, and low-melting fiber is selected DE1.5-15, length 1.5-12 centimetre specification for use.
(2) comb and parallel cotton fibers prior to spinning becomes net; Above-mentioned blended fiber is carded to thin fibrous web through combing machine for fur, carry out uniform lapping through the lapping machine again, laying becomes the stratum reticulare of multilayer, and generally each stratum reticulare is controlled its thickness between 0.2-20 centimetre, and according to user's needs with every square grammes per square metre and the height of stratum reticulare laying to needs;
(3) acupuncture moulding; Above-mentioned fiber web is stung in advance by pre-pricking machine, make the fluffy flocculus of structure, pre-thorn is controlled at 60-80 thorn/Mi Pingfang, acupuncture intensity is 3 newton, speed generally be controlled at 200-350 thorn/minute, again through stinging down, be exactly from down and on thorn, following thorn is 60-80 thorn/Mi Pingfang, acupuncture intensity 3 newton, speed generally be controlled at 200-400 thorn/minute, enter main-needling machine then and lead thorn, main thorn is 80-120 thorn/Mi Pingfang, and acupuncture intensity is 3 newton, at last with the THICKNESS CONTROL of stratum reticulare between 0.2-20 centimetre, heavily for being good between the 80-2000 gram/Mi Pingfang.
(4) calendering typing; The stratum reticulare of above-mentioned acupuncture delivered in the baking oven bake, baking temperature is at 180-260 ℃, the time that bakes was at 2 or 3 minutes, after coming out from baking oven, deliver to roll extrusion on the straight roll ray machine, pressure roller Pressure control in 2 kg/cm square, temperature is controlled at 180-260 ℃, go out cloth speed and be controlled at 5 meters/minute, obtained the product bast fiber nonwoven fabric that we need.The roller roll extrusion goes out floral designs at the bast fiber nonwoven fabric surface forming.
Embodiment 5
(1) bloom fluffy; With the fluffy blended fiber that becomes easy combing of blooming after the low-melting fiber of the flax fibre of mass percent 70% and mass percent 25% and the preparation of 5% fire resistance fibre, generally require their mixing and combing evenly just passable, flax fibre is selected the flax fibre of 3-18 centimeter length for use, and low-melting fiber is selected DE1.5-15, length 1.5-12 centimetre specification for use.
(2) comb and parallel cotton fibers prior to spinning becomes net; Above-mentioned blended fiber is carded to thin fibrous web through combing machine for fur, carry out uniform lapping through the lapping machine again, laying becomes the stratum reticulare of multilayer, and generally each stratum reticulare is controlled its thickness between 0.2-20 centimetre, and according to user's needs with every square grammes per square metre and the height of stratum reticulare laying to needs;
(3) acupuncture moulding; Above-mentioned fiber web is stung in advance by pre-pricking machine, make the fluffy flocculus of structure, pre-thorn is controlled at 60-80 thorn/Mi Pingfang, acupuncture intensity is 3 newton, speed generally be controlled at 200-350 thorn/minute, again through stinging down, be exactly from down and on thorn, following thorn is 60-80 thorn/Mi Pingfang, acupuncture intensity 3 newton, speed generally be controlled at 200-400 thorn/minute, enter main-needling machine then and lead thorn, main thorn is 80-120 thorn/Mi Pingfang, and acupuncture intensity is 3 newton, at last with the THICKNESS CONTROL of stratum reticulare between 0.2-20 centimetre, heavily for being good between the 80-2000 gram/Mi Pingfang.
(4) calendering typing; The stratum reticulare of above-mentioned acupuncture delivered in the baking oven bake, baking temperature is at 250 degree, the time that bakes is at 3 minutes, after coming out from baking oven, delivers to roll extrusion on the roll squeezer, pressure roller Pressure control in 5 kg/cm square, go out cloth speed and be controlled at 2 meters/minute, obtained the product bast fiber nonwoven fabric that we need, engrave the pattern of annular knurl on the pressure roller of roll squeezer, when utilization came out to cool off from baking oven, the pressure roller roll extrusion went out floral designs at the bast fiber nonwoven fabric surface forming.
Embodiment 6
(1) bloom fluffy; With the fluffy blended fiber that becomes easy combing of blooming after the low-melting fiber of the flax fibre of mass percent 70% and mass percent 29% and the preparation of 1% fire resistance fibre, generally require their mixing and combing evenly just passable, flax fibre is selected the flax fibre of 3-18 centimeter length for use, and low-melting fiber is selected DE1.5-15, length 1.5-12 centimetre specification for use.
(2) comb and parallel cotton fibers prior to spinning becomes net; Above-mentioned blended fiber is carded to thin fibrous web through combing machine for fur, carry out uniform lapping through the lapping machine again, laying becomes the stratum reticulare of multilayer, and generally each stratum reticulare is controlled its thickness between 0.2-20 centimetre, and according to user's needs with every square grammes per square metre and the height of stratum reticulare laying to needs;
(3) acupuncture moulding; Above-mentioned fiber web is stung in advance by pre-pricking machine, make the fluffy flocculus of structure, pre-thorn is controlled at 60-80 thorn/Mi Pingfang, acupuncture intensity is 3 newton, speed generally be controlled at 200-350 thorn/minute, again through stinging down, be exactly from down and on thorn, following thorn is 60-80 thorn/Mi Pingfang, acupuncture intensity 3 newton, speed generally be controlled at 200-400 thorn/minute, enter main-needling machine then and lead thorn, main thorn is 80-120 thorn/Mi Pingfang, and acupuncture intensity is 3 newton, at last with the THICKNESS CONTROL of stratum reticulare between 0.2-20 centimetre, heavily for being good between the 80-2000 gram/Mi Pingfang.
(4) calendering typing; The stratum reticulare of above-mentioned acupuncture delivered in the baking oven bake, baking temperature is at 250 degree, the time that bakes is at 3 minutes, after coming out from baking oven, delivers to roll extrusion on the roll squeezer, pressure roller Pressure control in 3 kg/cm square, go out cloth speed and be controlled at 2 meters/minute, obtained the product bast fiber nonwoven fabric that we need, engrave the pattern of annular knurl on the pressure roller of roll squeezer, when utilization came out to cool off from baking oven, the pressure roller roll extrusion went out floral designs at the bast fiber nonwoven fabric surface forming.
Embodiment 7
(1) bloom fluffy; The fluffy blended fiber that becomes easy combing of blooming after the polyster fibre preparation with the flax fibre of mass percent 50% and mass percent 50%, generally require their mixing and combing evenly just passable, flax fibre is selected the flax fibre of 3-18 centimeter length for use, and polyster fibre is selected DE1.5-15, length 1.5-12 centimetre specification for use.
(2) comb and parallel cotton fibers prior to spinning becomes net; Above-mentioned blended fiber is carded to thin fibrous web through combing machine for fur, carry out uniform lapping through the lapping machine again, laying becomes the stratum reticulare of multilayer, and generally each stratum reticulare is controlled its thickness between 0.2-20 centimetre, and according to user's needs with every square grammes per square metre and the height of stratum reticulare laying to needs;
(3) acupuncture moulding; Above-mentioned fiber web is stung in advance by pre-pricking machine, make the fluffy flocculus of structure, pre-thorn is controlled at 60-80 thorn/Mi Pingfang, acupuncture intensity is 3 newton, speed generally be controlled at 200-350 thorn/minute, again through stinging down, be exactly from down and on thorn, following thorn is 60-80 thorn/Mi Pingfang, acupuncture intensity 3 newton, speed generally be controlled at 200-400 thorn/minute, enter main-needling machine then and lead thorn, main thorn is 80-120 thorn/Mi Pingfang, and acupuncture intensity is 3 newton, at last with the THICKNESS CONTROL of stratum reticulare between 0.2-20 centimetre, heavily for being good between the 80-2000 gram/Mi Pingfang.
(4) calendering typing; The stratum reticulare of above-mentioned acupuncture is delivered to roll extrusion on the roll squeezer, pressure roller Pressure control in 3 kg/cm square, temperature is controlled at 180-260 ℃, goes out cloth speed and is controlled at 2 meters/minute, has obtained the product bast fiber nonwoven fabric that we need.
Embodiment 8
(1) bloom fluffy; The fluffy blended fiber that becomes easy combing of blooming after the polypropylene fiber preparation with the flax fibre of mass percent 60% and mass percent 40%, generally require their mixing and combing evenly just passable, flax fibre is selected the flax fibre of 3-18 centimeter length for use, and polypropylene fiber is selected DE1.5-15, length 1.5-12 centimetre specification for use.
(2) comb and parallel cotton fibers prior to spinning becomes net; Above-mentioned blended fiber is carded to thin fibrous web through combing machine for fur, carry out uniform lapping through the lapping machine again, laying becomes the stratum reticulare of multilayer, and generally each stratum reticulare is controlled its thickness between 0.2-20 centimetre, and according to user's needs with every square grammes per square metre and the height of stratum reticulare laying to needs;
(3) acupuncture moulding; Above-mentioned fiber web is stung in advance by pre-pricking machine, make the fluffy flocculus of structure, pre-thorn is controlled at 60-80 thorn/Mi Pingfang, acupuncture intensity is 3 newton, speed generally be controlled at 200-350 thorn/minute, again through stinging down, be exactly from down and on thorn, following thorn is 60-80 thorn/Mi Pingfang, acupuncture intensity 3 newton, speed generally be controlled at 200-400 thorn/minute, enter main-needling machine then and lead thorn, main thorn is 80-120 thorn/Mi Pingfang, and acupuncture intensity is 3 newton, at last with the THICKNESS CONTROL of stratum reticulare between 0.2-20 centimetre, heavily for being good between the 80-2000 gram/Mi Pingfang.
(4) calendering typing; The stratum reticulare of above-mentioned acupuncture is delivered to roll extrusion on the roll squeezer, pressure roller Pressure control in 3 kg/cm square, temperature is controlled at 180-260 ℃, goes out cloth speed and is controlled at 2 meters/minute, has obtained the product bast fiber nonwoven fabric that we need.
Embodiment 9
(1) bloom fluffy; The fluffy blended fiber that becomes easy combing of blooming after the cotton fiber preparation with the flax fibre of mass percent 60% and mass percent 40%, generally require their mixing and combing evenly just passable, flax fibre is selected the flax fibre of 3-18 centimeter length for use, and cotton fiber is selected DE1.5-15, length 1.5-12 centimetre specification for use.
(2) comb and parallel cotton fibers prior to spinning becomes net; Above-mentioned blended fiber is carded to thin fibrous web through combing machine for fur, carry out uniform lapping through the lapping machine again, laying becomes the stratum reticulare of multilayer, and generally each stratum reticulare is controlled its thickness between 0.2-20 centimetre, and according to user's needs with every square grammes per square metre and the height of stratum reticulare laying to needs;
(3) acupuncture moulding; Above-mentioned fiber web is stung in advance by pre-pricking machine, make the fluffy flocculus of structure, pre-thorn is controlled at 60-80 thorn/Mi Pingfang, acupuncture intensity is 3 newton, speed generally be controlled at 200-350 thorn/minute, again through stinging down, be exactly from down and on thorn, following thorn is 60-80 thorn/Mi Pingfang, acupuncture intensity 3 newton, speed generally be controlled at 200-400 thorn/minute, enter main-needling machine then and lead thorn, main thorn is 80-120 thorn/Mi Pingfang, and acupuncture intensity is 3 newton, at last with the THICKNESS CONTROL of stratum reticulare between 0.2-20 centimetre, heavily for being good between the 80-2000 gram/Mi Pingfang.
(4) calendering typing; The stratum reticulare of above-mentioned acupuncture is delivered to roll extrusion on the roll squeezer, pressure roller Pressure control in 3 kg/cm square, temperature is controlled at 180-260 ℃, goes out cloth speed and is controlled at 2 meters/minute, has obtained the product bast fiber nonwoven fabric that we need.
Embodiment 10
(1) bloom fluffy; With the fluffy blended fiber that becomes easy combing of blooming after the cotton fiber of the flax fibre of mass percent 60% and mass percent 35% and 5% the fire resistance fibre preparation, generally require their mixing and combing evenly just passable, flax fibre is selected the flax fibre of 3-18 centimeter length for use, and cotton fiber is selected DE1.5-15, length 1.5-12 centimetre specification for use.
(2) comb and parallel cotton fibers prior to spinning becomes net; Above-mentioned blended fiber is carded to thin fibrous web through combing machine for fur, carry out uniform lapping through the lapping machine again, laying becomes the stratum reticulare of multilayer, and generally each stratum reticulare is controlled its thickness between 0.2-20 centimetre, and according to user's needs with every square grammes per square metre and the height of stratum reticulare laying to needs;
(3) acupuncture moulding; Above-mentioned fiber web is stung in advance by pre-pricking machine, make the fluffy flocculus of structure, pre-thorn is controlled at 60-80 thorn/Mi Pingfang, acupuncture intensity is 3 newton, speed generally be controlled at 200-350 thorn/minute, again through stinging down, be exactly from down and on thorn, following thorn is 60-80 thorn/Mi Pingfang, acupuncture intensity 3 newton, speed generally be controlled at 200-400 thorn/minute, enter main-needling machine then and lead thorn, main thorn is 80-120 thorn/Mi Pingfang, and acupuncture intensity is 3 newton, at last with the THICKNESS CONTROL of stratum reticulare between 0.2-20 centimetre, heavily for being good between the 80-2000 gram/Mi Pingfang.
(4) calendering typing; The stratum reticulare of above-mentioned acupuncture is delivered to roll extrusion on the roll squeezer, pressure roller Pressure control in 3 kg/cm square, temperature is controlled at 180-260 ℃, goes out cloth speed and is controlled at 2 meters/minute, has obtained the product bast fiber nonwoven fabric that we need.
Embodiment 11
(1) bloom fluffy; With the bloom fiber of the easy combing of fluffy one-tenth of the pure flax fibre of mass percent 100% or fire-retardant flax fibre, flax fibre is selected the flax fibre of 3-18 centimeter length for use.
(2) comb and parallel cotton fibers prior to spinning becomes net or air lay; Above-mentioned blended fiber is carded to thin fibrous web through combing machine for fur, carry out uniform lapping through the lapping machine again, laying becomes the stratum reticulare of multilayer, general each stratum reticulare is controlled its thickness between 0.2-20 centimetre, or without the lapping machine and air-flow directly becomes net, and according to user's needs with every square grammes per square metre and the height of stratum reticulare laying to needs;
(3) acupuncture moulding; Above-mentioned fiber web is stung in advance by pre-pricking machine, make the fluffy flocculus of structure, pre-thorn is controlled at 60-80 thorn/Mi Pingfang, acupuncture intensity is 3 newton, speed generally be controlled at 200-350 thorn/minute, again through stinging down, be exactly from down and on thorn, following thorn is 60-80 thorn/Mi Pingfang, acupuncture intensity 3 newton, speed generally be controlled at 200-400 thorn/minute, enter main-needling machine then and lead thorn, main thorn is 80-120 thorn/Mi Pingfang, and acupuncture intensity is 3 newton, at last with the THICKNESS CONTROL of stratum reticulare between 0.2-20 centimetre, heavily for being good between the 80-2000 gram/Mi Pingfang.
(4) calendering typing; The stratum reticulare of above-mentioned acupuncture is delivered to roll extrusion on the roll squeezer, pressure roller Pressure control in 5 kg/cm square, temperature is controlled at 180-260 ℃, goes out cloth speed and is controlled at 1 meter/minute, has obtained the product bast fiber nonwoven fabric that we need.
Embodiment 12
(1) bloom fluffy; The fluffy blended fiber that becomes easy combing of blooming after the low-melting fiber preparation with the flax fibre of mass percent 80% and mass percent 20%, generally require their mixing and combing evenly just passable, flax fibre is selected the flax fibre of 3-18 centimeter length for use, and low-melting fiber is selected DE1.5-15, length 1.5-12 centimetre specification for use.
(2) comb and parallel cotton fibers prior to spinning becomes net or air lay; Above-mentioned blended fiber is carded to thin fibrous web through combing machine for fur, carry out uniform lapping through the lapping machine again, laying becomes the stratum reticulare of multilayer, general each stratum reticulare is controlled its thickness between 0.2-20 centimetre, or become net without lapping machine direct gas flow, and according to user's needs with every square grammes per square metre and the height of stratum reticulare laying to needs;
(3) acupuncture moulding; Above-mentioned fiber web is stung in advance by pre-pricking machine, make the fluffy flocculus of structure, pre-thorn is controlled at 60-80 thorn/Mi Pingfang, acupuncture intensity is 3 newton, speed generally be controlled at 200-350 thorn/minute, again through stinging down, be exactly from down and on thorn, following thorn is 60-80 thorn/Mi Pingfang, acupuncture intensity 3 newton, speed generally be controlled at 200-350 thorn/minute, enter main-needling machine then and lead thorn, main thorn is 80-120 thorn/Mi Pingfang, and acupuncture intensity is 3 newton, at last with the THICKNESS CONTROL of stratum reticulare between 0.2-20 centimetre, heavily for being good between the 80-2000 gram/Mi Pingfang.
(4) calendering typing; The stratum reticulare of above-mentioned acupuncture delivered in the baking oven bake, baking temperature is at the 180-260 degree, the time that bakes is at 2-3 minute, after coming out from baking oven, delivers to roll extrusion on the burnishing machine, pressure roller Pressure control in 4 kg/cm square, temperature is controlled at 180-260 ℃, goes out cloth speed and is controlled at 4 meters/minute, has obtained the product bast fiber nonwoven fabric that we need, if engrave the pattern of annular knurl on the pressure roller of burnishing machine, the pressure roller roll extrusion goes out floral designs at the bast fiber nonwoven fabric surface forming.
Embodiment 13
(1) bloom fluffy; The fluffy blended fiber that becomes easy combing of blooming after the cotton fiber preparation with the flax fibre of mass percent 70% and mass percent 30%, generally require their mixing and combing evenly just passable, flax fibre is selected the flax fibre of 3-18 centimeter length for use, and cotton fiber is selected DE1.5-15, length 1.5-12 centimetre specification for use.
(2) comb and parallel cotton fibers prior to spinning becomes net; Above-mentioned blended fiber is carded to thin fibrous web through combing machine for fur, carry out uniform lapping through the lapping machine again, laying becomes the stratum reticulare of multilayer, and generally each stratum reticulare is controlled its thickness between 0.2-20 centimetre, and according to user's needs with every square grammes per square metre and the height of stratum reticulare laying to needs;
(3) acupuncture moulding; Above-mentioned fiber web is stung in advance by pre-pricking machine, make the fluffy flocculus of structure, pre-thorn is controlled at 60-80 thorn/Mi Pingfang, acupuncture intensity is 3 newton, speed generally be controlled at 200-350 thorn/minute, again through stinging down, be exactly from down and on thorn, following thorn is 60-80 thorn/Mi Pingfang, acupuncture intensity 3 newton, speed generally be controlled at 200-400 thorn/minute, enter main-needling machine then and lead thorn, main thorn is 80-120 thorn/Mi Pingfang, and acupuncture intensity is 3 newton, at last with the THICKNESS CONTROL of stratum reticulare between 0.2-20 centimetre, heavily for being good between the 80-2000 gram/Mi Pingfang.
(4) calendering typing; The stratum reticulare of above-mentioned acupuncture is delivered to roll extrusion on the roll squeezer, pressure roller Pressure control in 3 kg/cm square, temperature is controlled at 180-260 ℃, goes out cloth speed and is controlled at 2 meters/minute, has obtained the product bast fiber nonwoven fabric that we need.

Claims (10)

1, a kind of bast fiber nonwoven fabric is characterized in that nonwoven fabric made by the flax fibre of 50-80% and the low-melting fiber of 50-20%, and above-mentioned percentage is mass percent.
2, a kind of bast fiber nonwoven fabric, it is characterized in that nonwoven fabric made by the flax fibre of 50-70% and other fiber of 50-30%, other fiber can be for natural fabric such as cotton fiber, also can be chemical fibres such as polypropylene fibre, terylene or nylon, above-mentioned percentage is mass percent.
3, a kind of bast fiber nonwoven fabric is characterized in that nonwoven fabric made by 100% flax fibre or 100% fire-retardant flax fibre, and above-mentioned percentage is mass percent.
4, bast fiber nonwoven fabric according to claim 1 and 2 is characterized in that described nonwoven fabric also contains 1-10% mass percent fire resistance fibre.
5, the production method of a kind of production claim 1 or 2 or 3 described bast fiber nonwoven fabrics is characterized in that steps in sequence is:
(1) bloom fluffy; Above-mentioned fiber such as flax fibre and low-melting fiber or flax fibre and other fiber or pure flax fibre are prepared according to the said ratio scope, and it is fluffy to bloom then, makes the blended fiber or the pure fiber of easy combing;
(2) comb and parallel cotton fibers prior to spinning becomes net or air lay; Above-mentioned blended fiber or pure fiber are carded to thin fibrous web through combing machine for fur, carry out the stratum reticulare that uniform lapping or laying become multilayer through the lapping machine again, or without the lapping machine and direct gas flow becomes net;
(3) acupuncture moulding; Above-mentioned fiber web is stung in advance by pre-pricking machine, make the fluffy flocculus of structure, through stinging down, enter main-needling machine then and lead thorn again, make its THICKNESS CONTROL between 0.2-20 centimetre, heavily between the 80-2000 gram/Mi Pingfang;
(4) calendering typing; If be mixed with the blended fiber of low-melting fiber, the stratum reticulare of above-mentioned acupuncture need be delivered in the baking oven and be baked, baking temperature is between 180-260 ℃, the time that bakes after coming out from baking oven, was delivered to roll extrusion on the roll squeezer between 2-10 minute, other blended fiber is then directly delivered to roll-in on the roll squeezer, pressure roller Pressure control in 2-5 kg/cm square, temperature is controlled at 180-260 ℃, go out cloth speed be controlled at 1-5 rice/minute.
6, production method according to claim 5 is characterized in that being carved with on its pressure roller of described roll squeezer the pattern of annular knurl, utilizes roll extrusion to mold floral designs being mixed with on the bast fiber nonwoven fabric surface of low-melting fiber.
7, production method according to claim 5 is characterized in that described flax fibre selects the flax fibre of 3-18 centimeter length for use.
8, production method according to claim 5 is characterized in that described low-melting fiber selects DE1.5-15, length 1.5-12 centimetre specification for use.
9, production method according to claim 5 is characterized in that described pre-thorn is 60-80 thorn/Mi Pingfang, and acupuncture intensity is 2-4 newton, following thorn is 60-80 thorn/Mi Pingfang, acupuncture intensity is 2-4 newton, and main thorn is 80-120 thorn/Mi Pingfang, and acupuncture intensity is 2-4 newton.
10, production method according to claim 5 is characterized in that adopting in the described acupuncture forming step cutting needle 0.3-1.5 millimeter specification.
CNB2004100543822A 2004-09-08 2004-09-08 Nonwoven cloth-with firilia and production thereof Expired - Fee Related CN100396836C (en)

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