CN102514274A - Natural fiber composite health-care cushion and preparation method thereof - Google Patents
Natural fiber composite health-care cushion and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a natural fiber composite health-care cushion which comprises a middle layer. A surface layer is arranged on the upper surface or the lower surface of the middle layer. A block layer is arranged between the middle layer and the surface layer. The surface layer is a non-woven layer comprising 5 percent to 50 percent of low melting point fibers. The middle layer is a non-woven layer which comprises the following components: bastose and 5 percent to 50 percent of low melting point fibers. The block layer is a non-woven layer comprising 5 percent to 100 percent of low melting point fibers. In the natural fiber composite health-care cushion, the content of the bastose is within the range of 5 percent to 65 percent. The invention also discloses a preparation method of the natural fiber composite health-care cushion, which comprises the following steps of: respectively preparing the middle layer, the upper or lower surface layer and the block layer; then sequentially paving the layers; and preparing the natural fiber composite health-care cushion by processes of processing by an oven, cold milling, cooling, cutting, inspecting and packaging. Due to the adoption of the natural fiber composite health-care cushion and the preparation method thereof, which are disclosed by the invention, the problem that the existing mattress is easy to affect with damp, mildew, breed worms and deteriorate, is easy to layer, has poor air permeability and is discomfortable to use due to protruded hard fibers in the middle of the mattress is solved.
Description
Technical field
The present invention relates to composite pad, relate in particular to a kind of natural fiber compound health pad that adopts the flaxen fiber preparation and preparation method thereof, natural fiber compound health pad of the present invention can be used as the mattress material, can also be used as other purposes.
Background technology
Coconut palm palm fiber mattress commonly used at present is to adopt brown fiber as packing material, and the coconut palm palm fiber mattress will use a large amount of glue bonding in the preparation, if long-term the use can work the mischief to health.And the coconut palm palm fiber mattress not only than moisture-sensitive mouldy or snake rotten, be prone to subside, frangible, and harder, poor flexibility, its scope of application is narrower, is fit to do hard mattress more and uses.
Notification number is that the patent documentation of CN201139289Y discloses a kind of health care bed mattress, comprises the mattress body and is coated on this external tossa fabric clad of mattress, and wherein the mattress body adopts tossa to be composited with the composite bed of rubber and the gluing layer between composite bed; The product antibiotic property of this patent preparation is good, be difficult for infested, gas permeability, hygroscopicity and loose moist strong; But this prior art adopts rubber as binding agent; Contain harmful components such as formaldehyde in the rubber on the one hand commonly used, long-term use meeting works the mischief to human body, though some rubber does not contain formaldehyde; But because of costing an arm and a leg, then cost is too high if you are using; On the other hand, on production technology, rubber is as adhesive and fiber layering compacting, and this technology makes product layering easily in use.Also mention in this patent and can use latex as adhesive, though do not contain formaldehyde in the latex, it costs an arm and a leg; A little less than the cohesive force; And in the preparation process, adopt the form of soaking that latex is got in the fiber, and can cause the product subsurface binding agent more like this, and middle less; Thereby make product inhomogeneous, be prone to layering.
Publication number is that the patent documentation of CN101856182A discloses a kind of method of making the fabric fibre mattress; Adopt sisal fiber as raw material in this method; And glue, the moulding of thermal finalization mode are sprayed in employing; Owing in the preparation process, use glue, and contain formaldehyde in the glue, use this mattress to work the mischief for a long time to human body.And spray glue, the heat setting process of its use, the glue amount is wayward, causes the inhomogeneous of product easily, is prone to layering.
Publication number is that the patent documentation of CN102174729A discloses a kind of polyester fiber coconut palm Petiolus Trachycarpi and preparation method thereof, and this polyester fiber coconut palm Petiolus Trachycarpi is divided into three layers, wherein up and down the two component core-skin fibres of two-layer employing low melting point, three-dimensional crimp doughnut; The two component core-skin fibres of low melting point, brown fiber are adopted in the intermediate layer, and the coconut palm Petiolus Trachycarpi in this patent documentation is because use the two component core-skin fibres of low melting point as interfibrous binding agent, and do not adopt glue; Thereby reach environmental protection, formaldehydeless technique effect; But it still adopts brown fiber, can not solve that brown fiber brings mouldy than moisture-sensitive, snake rotten, be prone to subside; Frangible, harder, the poor flexibility problem.
If flaxen fiber and low-melting fiber are combined obstetric table pad in next life; Then both can solve the problem that brown fiber brings, also can solve the problem of using glue to bring, but because flaxen fiber is thinner and soft; The applicant finds that under study for action its addition will directly have influence on intensity, the elasticity of mattress; Low-melting fiber is as binding agent, and the applicant finds that its addition is also most important, adds at most that mattress can too harden, poor flexibility, and addition what then can not play good cementation, influences intensity, and easy layering.Though also disclose the addition of some low-melting fibers, flaxen fiber in the above-mentioned document respectively; But on the one hand; The disclosed low-melting fiber of above-mentioned document, flaxen fiber wider range; Obviously, this prior art do not consider low-melting fiber, flaxen fiber addition for the mattress Effect on Performance; On the other hand; Because cooperatively interacting, flaxen fiber and low-melting fiber work; In view of flaxen fiber, low-melting fiber respectively with above-mentioned document in the performance of used respective material have than big-difference, thereby how proportioning can be prepared the satisfactory product of performance when those skilled in the art can't know low-melting fiber with the flaxen fiber cooperation according to above-mentioned document.
On structure, present mattress adopts the in the majority of single layer structure, reaches good result of use in order to make mattress; Need it to possess multiple performance, such as in proof strength, flexible while, also need good permeability, comfortableness good; If adopting single layer structure can not take into account; Certainly will need to reduce the porosity because reach enough intensity, thereby influence gas permeability, good permeability and influence intensity; And good permeability finish structure must be more open, the hard fibre in the middle of the mattress is pricked out easily and is influenced comfortableness.The applicant discovers that the addition of low-melting fiber has bigger influence to gas permeability.Publication number is that the patent documentation of CN102174729A discloses a kind of polyester fiber coconut palm Petiolus Trachycarpi and preparation method thereof; The coconut palm Petiolus Trachycarpi of this patent documentation in being adopts three-decker; But the addition of low-melting fiber is not made restriction in the document; Obviously it does not consider the influence problem of low-melting fiber addition to gas permeability, so those skilled in the art can't solve according to this prior art and not only guarantees gas permeability but also proof strength, flexible problem; The applicant discovers on the top layer and adopts the acupuncture nonwoven layers can improve the gas permeability of mattress; But because the acupuncture nonwoven layers receives its process technology limit, that can not do is too thick, stops thereby can not provide well the hard fibre of pricking out in the middle of the mattress; In a single day hard fibre is pricked out; Can make the user very uncomfortable, and that publication number is the thickness of patent documentation mesexine of CN102174729A is adjustable, does not have the problem that can not stop hard fibre to be pricked out because the top layer is too thin; Therefore those skilled in the art can't solve skin depth according to this prior art and how to avoid because hard fibre is pricked out the problem that influences comfortableness when limited.
Summary of the invention
The technical problem that the present invention solves is, because the problem that the hard fibre that produces at mattress use hard fibre is pricked out from mattress.Thereby providing a kind of is that antibiotic property is good, be difficult for infested, gas permeability, hygroscopicity and loose moist strong, and the comfortable natural fiber compound health pad of durable in use, good permeability, use and the preparation method of this natural fiber compound health pad.
To achieve these goals, the technical scheme of the present invention's employing is following:
Natural fiber compound health pad of the present invention comprises an intermediate layer, is provided with the top layer at said intermediate layer upper surface or lower surface, between intermediate layer and top layer, is provided with one deck barrier layer;
Described top layer is the nonwoven layers that contains following component: account for the low-melting fiber of this top layer weight 5%～50wt%, surplus is other fiber;
Described intermediate layer is the nonwoven layers that contains following component: flaxen fiber, account for the low-melting fiber of this intermediate layer weight 5%～50wt%, surplus is other fiber;
Described barrier layer is the nonwoven layers that contains following component: the flaxen fiber, the surplus that account for this barrier layer weight 5%～100wt% are other fiber;
The weight percent content of flaxen fiber is 5%～65% in the described natural fiber compound health pad.
Described top layer, barrier layer adopt the acupuncture nonwoven layers.
Contain in flaxen fiber, terylene, acrylic fibers, polyvinyl, acrylic fibers, the bamboo-carbon fibre one or more in the described top layer.
One or more in brown fiber, coir, bamboo-carbon fibre, the elasticity chemical fibre are also contained in described intermediate layer.
The thickness of described barrier layer is 0.5-20mm, and grammes per square metre is 30-1000g/m
2
Described brown fibre length is 30-300mm, and fineness is greater than 40D; Described flaxen fiber length is 30-300mm, and fineness is more than or equal to 15D.
Described flaxen fiber is one or more in jute, bluish dogbane, sisal hemp, flax, hemp, the ramie; Described low-melting fiber is PP fiber (polypropylene fibre, melting range 145-165 ℃), PLA fiber (acid fiber by polylactic, melting range 140-160 ℃), (it is a skin-core structure to the ES fiber, and skin is the PE polyethylene, 125-135 ℃ of its melting range; Core is the PP polypropylene, 145-165 ℃ of its melting range), (skin is the PE polyethylene fibre to the PE/PET core-skin fibre, melting range 125-135 ℃; Core is the PET polyester fiber, 260 ℃ of melting ranges), (it is a skin-core structure to 4080 fibers, and skin is the PET polyester fiber, 110 ℃ of melting ranges; Core is the PET polyester fiber, 260 ℃ of melting ranges) in one or more.
The present invention also provides the preparation method of said natural fiber compound health pad, may further comprise the steps:
S01: with each component in required ratio weigh, shredding mixing, preformation net, combing, air lay, acupuncture, make the nonwoven layers of upper surface or lower surface respectively, as the nonwoven layers of barrier layer; Wherein needle plate cloth pin density is 500-6000 piece/meter, and punch frequency is 50-1800 time/minute, and speed is not more than 20 meters/minute.
S02: with each component in required ratio weigh, shredding mixing, preformation net, combing, air lay make the intermediate layer, wherein the speed of preformation net, combing, air lay operation is not more than 20m/min;
S03: will be laid on the top or the below in intermediate layer successively through the top layer of step S01 preparation, the nonwoven layers of barrier layer through last or following unwinding device; Get into baking oven, cold rolling, cooling, cutting, test package then together; Oven temperature is 180-230 ℃; The time of smoking in the baking oven is 1～9min, and cold rolling temperature is 5-20 ℃, and chilling temperature is 0-25 ℃.
Preferably, wherein refrigerating work procedure adopts the air cooling way cooling.
Preferably, the time of smoking in the described baking oven is 2～4.5min.
Beneficial effect of the present invention is following:
Natural fiber compound health pad of the present invention adopts flaxen fiber and low-melting fiber to cooperate other fiber production to adopt the air lay technology to be prepared from, and it has following advantage:
(1) the present invention adopts the intermediate layer to add the structure on top layer, and each layer can adopt different materials, thereby guarantees the performance of mattress from every side, and performances such as comfortableness, gas permeability are more paid attention on the top layer, and elasticity, intensity, performance such as not stratified are more paid attention in the intermediate layer.The addition of low-melting fiber is very big for end properties influence, adds for a short time, does not have cementation, and finished product is prone to layering; Fracture, durable, addition is big, makes finished product too harden again; Poor flexibility, gas permeability is poor, uses very uncomfortable; The present invention adds 5%～50% low-melting fiber in the top layer, good permeability cooperates the intermediate layer to guarantee that promptly caking property has guaranteed that also finished product has suitable elasticity and elastic return property and air permeability and good.
(2) natural fiber compound health pad of the present invention contains 5%～65% flaxen fiber; Can guarantee that mattress has better elastic and intensity; And flaxen fiber has good sucting wet air permeability, and antibiosis anti-acarien, and long-term use can be because of moist not mouldy; Infested rotten, thus keep mattress not yielding.In addition, the flaxen fiber quality is lighter relatively, and this is more convenient carrying and transportation, and can practice thrift cost of transportation.Because flaxen fiber with respect to brown fiber, coir is thinner and soft, insufficient strength, thus durability is relatively poor relatively, participates in a certain amount of hard fibre, like brown fiber etc., when can promptly guarantee the performances such as gas permeability of mattress, guarantees the durability of mattress again.
(3) selection of fibre length also has very big influence to end properties, and fibre length is too short, a little less than the power of entwining to each other; Intensity, elasticity are all influenced, and fibre length is long, then in becoming network process, are difficult for evenly scattering; It is the flaxen fiber of 30-300mm that natural fiber compound health pad of the present invention is selected length for use, has both guaranteed that fiber can be entwined each other to reach the intensity that needs, and makes the preparation process be shattered into the three-dimensional structure of entwining easily again; Thereby make the mattress of preparation more durable, be difficult for layering.
(4) preparation method of the present invention; Operation is simple, and this adopts length to mattress of the present invention is that the speed of control preformation net, combing, air lay operation is at 0～20m/min under the situation of fiber of 30-300mm; Make the entire product internal fiber be three-dimensional form, tied up in knots across each other; Thereby make mattress be difficult for layering, and have elasticity and elastic recovery preferably, long-term use is not yielding.And make mattress vertical, horizontal brute force balanced, indifference almost, its vertical, horizontal is powerful than being 1: 1.02, and the vertical, horizontal of general carding brute force is than being 1: 1.2-1: 1.3.
Adopt cold rolling process, can in fixed thick, help cooling, and the modified product surface, make the uneven of product surface become smooth.
Baked temperature, the time of baking oven have considerable influence to product to properties of product, and temperature is too high, overlong time; Can make low-melting fiber undue melt from but product become to harden and do not have elasticity; And temperature is low excessively, and the time is too short, and cohesive force is not enough between the fiber of the product that can be again; Thereby be prone to layering, fracture, influence durability.Process of the present invention can guarantee product in the whippy while to the definite of baked temperature, time, and don't enough cohesive forces are arranged, and is difficult for layering, fracture.
(5) refrigerating work procedure of the present invention adopts the air cooling way cooling, can effectively remove steam, makes that the mattress material of preparation is relatively drier.
(6) top layer of natural fiber compound health pad of the present invention, barrier layer adopt the acupuncture nonwoven layers; There is uniform space acupuncture nonwoven layers surface and inside; Guaranteed that further mattress has air permeability and good, and can also play the effect of insulation, heat insulation, sound insulation through these spaces.
(7) sandwich construction of mattress packing material of the present invention makes it layering adopt different materials; Such as in the top layer, adding elastomeric material, improve elasticity, increase the porosity and improve gas permeability; The intermediate layer is that mattress provides certain thickness and intensity; Like this, can be so that mattress have enough elasticity, and durable in use; When mattress only comprises one deck barrier layer, can be upwards during use with the one side that is provided with barrier layer, barrier layer can stop that the thick and stiff fiber in intermediate layer gets into the top layer like this, thereby prevents it from pricking out and the shouting pain user, comfortableness is good.Barrier layer mainly is made up of flaxen fiber, and flaxen fiber has moisture absorption, ventilative, antibioticly presses down mite, and the characteristic of mildew and insect proof makes mattress have air permeability and good, and it is mouldy to be difficult for snake, strengthens the service life of mattress.
Description of drawings
Fig. 1 is the structural representation of an embodiment of natural fiber compound health pad of the present invention.
Fig. 2 is the structural representation of another embodiment of natural fiber compound health pad of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment technical scheme of the present invention and beneficial effect are further described.
Referring to accompanying drawing 1, natural fiber compound health pad of the present invention can be made up of the upper epidermis that sets gradually 1, first barrier layer 2, intermediate layer 3, also can on the lower surface in intermediate layer 3, establish second barrier layer 4, top layer 5 down successively, and is as shown in Figure 2.Each layer can adopt different compositions, different processes respectively, reached good result of use, is concrete embodiment below:
Embodiment 1:
The first step; With each component in required ratio weigh, shredding mixing, preformation net, combing, air lay, acupuncture; Make the nonwoven layers of upper epidermis 1, first barrier layer 2 respectively; Wherein the nonwoven layers of upper epidermis 1 adopts 10% PP fiber and 90% elasticity chemical fibre, and the nonwoven layers of first barrier layer 2 adopts 100% flax fiber; Needle plate cloth pin density in the needling process is 1000 pieces/meter, and punch frequency is 1500 times/minute, and speed is 2 meters/minute;
Second step: ES fiber according to 20%; The ratio of 70% flax fiber, 10% bamboo-carbon fibre is weighed, shredding mixing, preformation net, combing, air lay make intermediate layer 3, and wherein the speed of preformation net, combing, air lay operation is 5m/min;
The 3rd step: the intermediate layer 3 that will make through the two nonwoven layers and the step S02 of step S01 preparation is layered on together according to order shown in Figure 1; Get into baking oven, cold rolling, cooling, cutting, test package then together; Oven temperature is 230 ℃; The time of smoking in the baking oven is 2min, and cold rolling temperature is 5 ℃, and chilling temperature is 10 ℃.
The length of used flax fiber is 250mm in the present embodiment, and fineness is 30D; The weight of used flax fiber accounts for 60% of health mat gross weight in the present embodiment.
The properties of product of present embodiment preparation are following: the vertical, horizontal of present embodiment product is powerful than being 1: 1.01; No abnormal smell; Intensity is 20N/cm, meets standard; Elasticity is good; Good air permeability.
Embodiment 2:
The first step; With each component in required ratio weigh, shredding mixing, preformation net, combing, air lay, acupuncture; Make the nonwoven layers of upper epidermis 1, first barrier layer 2 respectively; Wherein the nonwoven layers of upper epidermis 1 adopts 40% PE/PET core-skin fibre, 60% tossa, and the nonwoven layers of first barrier layer 2 adopts 20% tossa and 80% bastose; Needle plate cloth pin density in the needling process is 3000 pieces/meter, and punch frequency is 1000 times/minute, and speed is 10 meters/minute;
Second step: ES fiber according to 30%; The ratio of 20% tossa, 50% coconut fibre is weighed, shredding mixing, preformation net, combing, air lay make intermediate layer 3, and wherein the speed of preformation net, combing, air lay operation is 10m/min;
The 3rd step: the intermediate layer 3 that will make through the two nonwoven layers and the step S02 of step S01 preparation is layered on together according to order shown in Figure 1; Get into baking oven, cold rolling, cooling, cutting, test package then together; Oven temperature is 210 ℃; The time of smoking in the baking oven is 3min, and cold rolling temperature is 15 ℃, and chilling temperature is 20 ℃
The jute of using in the present embodiment, the length of bastose are 150mm, and fineness is 20D, and the length of coconut fibre is 100mm, and fineness is 45D; The gross weight of jute, bastose accounts for 30% of health mat gross weight in the present embodiment.
The properties of product of present embodiment preparation are following: the vertical, horizontal of present embodiment product is powerful than being 1: 1.04; No abnormal smell; Intensity is 23N/cm, meets standard; Elasticity is good; Good air permeability.
Embodiment 3:
The first step; With each component in required ratio weigh, shredding mixing, preformation net, combing, air lay, acupuncture; Make down the nonwoven layers of top layer 5, second barrier layer 4 respectively; Wherein descend the nonwoven layers on top layer 5 to adopt 25% 4080 fibers, 45% elasticity chemical fibre, 30% bastose, the bastose of the nonwoven layers employing 70% of second barrier layer 4 and 30 polyster fibre, the needle plate cloth pin density in the needling process is 5000 pieces/meter; Punch frequency is 100 times/minute, and speed is 18 meters/minute;
Second step: PE/PET core-skin fibre according to 40%; 50% sisal fiber; The ratio of 10% brown fiber is weighed, shredding mixing, preformation net, combing, air lay make intermediate layer 3, and wherein the speed of preformation net, combing, air lay operation is 18m/min;
The 3rd step: will be layered on together according to order shown in Figure 2 through the two nonwoven layers of step S01 preparation, the intermediate layer 3 that step S02 makes; Get into baking oven, cold rolling, cooling, cutting, test package then together; Oven temperature is 190 ℃; The time of smoking in the baking oven is 4min, and cold rolling temperature is 20 ℃, and chilling temperature is 25 ℃.
The bastose that uses in the present embodiment, the length of sisal fiber are 50mm, and fineness is 40D, and the length of coconut fibre is 200mm, and fineness is 50D; Used bastose, the gross weight of sisal fiber account for 50% of health mat gross weight in the present embodiment.
The properties of product of present embodiment preparation are following: the vertical, horizontal of present embodiment product is powerful than being 1: 1.03; No abnormal smell; Intensity is 27N/cm, meets standard; Elasticity is good; Good air permeability.
Product vertical, horizontal in the various embodiments of the present invention is powerful than being first according to the method among the GB/T15788-2005; It is powerful to record vertical, horizontal tension failure respectively; The ratio that calculates both again obtains; Have or not unusual odor according to the test of 6.8 experimental techniques in the QB1952.2-2004 spring mattress pad standard, intensity detects according to getting method among the 6.6.1 in the QB1952.2-2004 spring mattress pad standard.
Of the present invention smoking with the time has bigger influence for performances such as the elasticity of finished product, gas permeability, durabilities; It is 180-230 ℃ that the present invention is controlled at oven temperature with baked temperature, and the time of smoking in the baking oven is 1～9min, and the time of wherein smoking effect when 2～4.5min is better; Can be in the practical operation through the speed of control product through the certain-length baking oven; Control smoke between, such as adopting the long baking oven of 9m, then can control the pass through speed of product in baking oven is 1～6m/min.
Obviously, the foregoing description only be for explanation clearly done for example, and be not qualification to embodiment.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the invention.
Claims (10)
1. natural fiber compound health pad is characterized in that, comprises an intermediate layer, is provided with the top layer at said intermediate layer upper surface or lower surface, between intermediate layer and top layer, is provided with one deck barrier layer;
Described top layer is the nonwoven layers that contains following component: account for the low-melting fiber of this top layer weight 5%～50wt%, surplus is other fiber;
Described intermediate layer is the nonwoven layers that contains following component: flaxen fiber, account for the low-melting fiber of this intermediate layer weight 5%～50wt%, surplus is other fiber;
Described barrier layer is the nonwoven layers that contains following component: the flaxen fiber, the surplus that account for this barrier layer weight 5%～100wt% are other fiber;
The weight percent content of flaxen fiber is 5%～65% in the described natural fiber compound health pad.
2. natural fiber compound health pad according to claim 1 is characterized in that, described top layer, barrier layer adopt the acupuncture nonwoven layers.
3. natural fiber compound health pad according to claim 1 and 2 is characterized in that, contains in flaxen fiber, terylene, acrylic fibers, polyvinyl, the bamboo-carbon fibre one or more in the described top layer.
4. according to the arbitrary described natural fiber compound health pad of claim 1 to 3, it is characterized in that one or more in brown fiber, coir, bamboo-carbon fibre, the elasticity chemical fibre are also contained in described intermediate layer.
5. according to the arbitrary described natural fiber compound health pad of claim 1 to 4, it is characterized in that the thickness of described barrier layer is 0.5-20mm, grammes per square metre is 30-1000g/m
2
6. according to the arbitrary described natural fiber compound health pad of claim 1 to 5, it is characterized in that described brown fibre length is 30-300mm, fineness is greater than 40D; Described flaxen fiber length is 30-300mm, and fineness is more than or equal to 15D.
7. according to the arbitrary described natural fiber compound health pad of claim 1 to 6, it is characterized in that described flaxen fiber is one or more in jute, bluish dogbane, sisal hemp, flax, hemp, the ramie; Described low-melting fiber is one or more in PP fiber, PLA fiber, ES fiber, PE/PET core-skin fibre, 4080 fibers.
8. the preparation method of the arbitrary described natural fiber compound health pad of claim 1 to 7 may further comprise the steps:
S01: with each component in required ratio weigh, shredding mixing, preformation net, combing, air lay, acupuncture, make the nonwoven layers of upper surface or lower surface respectively, as the nonwoven layers of barrier layer; Wherein needle plate cloth pin density is 500-6000 piece/meter, and punch frequency is 50-1800 time/minute, and speed is not more than 20 meters/minute;
S02: with each component in required ratio weigh, shredding mixing, preformation net, combing, air lay make the intermediate layer, wherein the speed of preformation net, combing, air lay operation is not more than 20m/min;
S03: will be laid on the top or the below in intermediate layer successively through the top layer of step S01 preparation, the nonwoven layers of barrier layer through last or following unwinding device; Get into baking oven, cold rolling, cooling, cutting, test package then together; Oven temperature is 180-230 ℃; The time of smoking in the baking oven is 1～9min, and cold rolling temperature is 5-20 ℃, and chilling temperature is 0-25 ℃.
9. the preparation method of the described natural fiber compound health of claim 8 pad is characterized in that, refrigerating work procedure wherein adopts the air cooling way cooling.
10. the preparation method of claim 8 or 9 described natural fiber compound health pads is characterized in that, the time of smoking in the described baking oven is 2～4.5min.
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| CN102514274B (en) | 2013-09-25 |
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