CN103054386A - Compound health protection bed core and preparation method thereof - Google Patents
Compound health protection bed core and preparation method thereof Download PDFInfo
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- CN103054386A CN103054386A CN2013100021963A CN201310002196A CN103054386A CN 103054386 A CN103054386 A CN 103054386A CN 2013100021963 A CN2013100021963 A CN 2013100021963A CN 201310002196 A CN201310002196 A CN 201310002196A CN 103054386 A CN103054386 A CN 103054386A
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Abstract
The invention discloses a compound health protection bed core. The bed core comprises at least one intermediate layer and a surface layer arranged on the upper surface or the lower surface of the intermediate layer, wherein the surface layer is a non-woven layer comprising the following components in percentage by weight: 15-40% of low-melting point fiber and 60-85% of bamboo hemp fiber; the bamboo hemp fiber consists of bamboo fiber and fibrilia; the intermediate layer comprises the following components in percentage by weight: 60-85% of compound natural fiber and 15-40% of low-melting point fiber; the compound natural fiber consists of coconut fiber, bamboo fiber and fibrilia; and the content ratio of the coconut fiber to the bamboo fiber to the fibrilia is 1: 1: (1-3): 2: 1. The invention further comprises a preparation method for the compound health protection bed core; the method comprises the following steps of: respectively preparing various layers which comprise the upper surface layer, the lower surface layer and the intermediate layer, laying the layers sequentially, and preparing the bed core through procedures of oven, cold rolling, cooling, cutting, examining and packaging. The compound health protection bed core and the preparation method thereof solve the technical problems, such as high possibility of layering and rupture, weak elasticity, weak air permeability, mustiness and the like in the existing mattresses.
Description
Technical field
The present invention relates to a kind of core, relate in particular to a kind of health care bed core that adopts the preparation of composite natral fiber and preparation method thereof.
Background technology
Fibre bed core major part is to adopt traditional coconut palm palm fiber mattress at present, the coconut palm palm fiber mattress need to use a large amount of glue to be bonded, if long-term use meeting works the mischief to health, coconut palm palm fiber mattress not only, snake mouldy than moisture-sensitive goes bad, and easily subside, frangibility, and hard, poor flexibility, the scope of application is also narrower, is fit to do hard mattress packing material more.
Publication No. be CN102174729A patent disclosure a kind of polyester fiber coconut fiber plate, it comprises three layers, materials at two layers is identical up and down, is to adopt the two component core-skin fibres of low melting point and three-dimensional crimp circle doughnut; Intermediate layer material is the two component core-skin fibres of low melting point and coconut fibre.Although above-mentioned polyester fiber coconut fiber plate has solved the coconut palm palm fiber mattress and used glue and the hard problem of matter, the moisture-sensitive of coconut fibre own is mouldy, snake rotten, and long-term the use is harmful to health, and mattress is yielding, and gas permeability and elasticity are also relatively poor.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides that a kind of antibiotic property is good, elasticity is strong, intensity is high, loose moist strong and be difficult for the insect protected bed core of layering, the present invention also provides the preparation method of this compound health bed core.
Technical scheme: for solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
Compound health bed core provided by the invention, comprise that at least one intermediate layer and the top layer that is arranged on intermediate layer upper surface or lower surface form, described top layer is the nonwoven layers that is comprised of following component by weight percentage: the nonwoven layers of 15% ~ 40% low-melting fiber and 60% ~ 85% flaxen fiber, described intermediate layer is comprised of following component by weight percentage: described composite natral fiber is comprised of coconut fibre, bamboo fiber and flaxen fiber, described coconut fibre: bamboo fiber: flaxen fiber content is than being 1:1:1 ~ 3:2:1.。
Among the present invention, because the existence of low-melting fiber is arranged, need not to use glue, just can make the mattress filled composite materials bonding, be difficult for layering and environmental protection.Described coconut fibre: bamboo fiber: flaxen fiber content is than being 1:1:1 ~ 3:2:1, in this ratio situation, the lines of the cross-sectional area in intermediate layer is " S " type, S type structure has played the effect of spring, and little lighter, the elasticity of density strong, can save about 1/3rd raw material, with respect to other existing products, product provided by the invention, elasticity is better, and permeability is better.
Preferably, for the elasticity, comfortableness, the heat resistance that make whole top layer and be difficult for obtaining on the laminarity better balance, in the bamboo hemp fibre in the described top layer, the percentage by weight that bamboo fiber and flaxen fiber account for whole top layer is respectively 40% ~ 80%, 15% ~ 60%.
Preferably, the acupuncture nonwoven layer is adopted on described top layer, and there is uniform space acupuncture nonwoven layer surface and inside, thereby make mattress have good gas permeability, and can also play the effect of insulation, heat insulation, sound insulation by these spaces.
Preferably, described low-melting fiber is a kind of in PP fiber, PLA fiber, ES fiber, PE/PET core-skin fibre, 4080 fibers or more than one.
Preferably, described flaxen fiber is one or more in jute, bluish dogbane, sisal hemp, flax, hemp, the ramie.
Preferably, described coconut fibre and bamboo fiber length are 30-300mm, and fineness is 15-120D; Described flaxen fiber length is 30-300mm, and fineness is 15-40D.The selection of fibre length also has a significant impact end properties, 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 net process, be difficult for evenly scattering, it is the flaxen fiber of 30-300mm that compound health bed core among the present invention is selected length, has both guaranteed that fiber can be entwined each other to reach the intensity that needs, and makes again preparation process be shattered into easily the three-dimensional structure of entwining, thereby make the mattress of preparation more durable, be difficult for layering.
By coconut fibre, bamboo fiber, flaxen fiber and low-melting fiber in conjunction with obstetric table pad in next life, then both can solve the problem of being brought by brown procedure of fibre production mattress merely, also can solve the problem of using glue to bring, but coconut fibre is thick and hard, flaxen fiber is thinner and soft, the bamboo fiber jewelry, expensive clothing and other valuables are moderate, and 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, and poor flexibility, addition are crossed at least can not play good cementation, affects intensity, and easily layering.Coconut fibre, bamboo fiber, flaxen fiber and low-melting fiber cooperatively interact and work, and prepare specific texture structure by the numb proportioning of specific palm fibre, in elasticity, intensity, loose moist, gas permeability, be difficult for all having promoted greatly on the lamination problem.
On structure, present mattress adopts the in the majority of single layer structure, in order to make mattress reach good result of use, need it to possess multiple performance, such as in proof strength, the flexible while, also need good permeability, comfortableness is good, if adopting single layer structure can not take into account, certainly will need to reduce the porosity because reach enough intensity, thereby affect gas permeability, good permeability and affect intensity, and good permeability finish structure must be more open, hard fibre in the middle of the mattress is pricked out easily and is affected comfortableness, and the applicant studies discovery, and the addition of low-melting fiber has larger impact to gas permeability.The nonwoven layers that the top layer that bacterium or acarid most possibly can occur is made by the bamboo hemp fibre of 15% ~ 40% low-melting fiber and 60% ~ 85%, adopt this ratio, when can farthest guarantee permeability, also played the fungi-proofing effect that presses down mite, and flaxen fiber is thinner and soft, sense of touch is submissive, and larger comfort can be provided.
The present invention also provides the preparation method of described compound health bed core, may further comprise the steps:
(1) with each component in required ratio weigh, shredding mixing, preformation net, combing, air lay, acupuncture, make respectively the up and down nonwoven layers on top layer;
(2) with each component in required ratio weigh, shredding mixing, preformation net, combing, air lay make the intermediate layer;
(3) nonwoven layers on the up and down top layer by step (1) preparation is placed on respectively the above and below in intermediate layer, then enter together baking oven, cold rolling, cooling, cutting, test package, wherein oven temperature is 170-230 ℃, and the time of smoking in the baking oven is 1 ~ 9min, and cold rolling temperature is 5-25 ℃.
Preferably, the air cooling way cooling is adopted in the cooling in the described step (3), and chilling temperature is 0-25 ℃; With effective removal steam, so that the mattress material of preparation is relatively drier.
Preferably, the baked temperature in the baking oven in the described step (3) is 170-215 ℃.
Preferably, the needling density in the needling process in the described step (1) is 44-150 thorn/cm
2
Beneficial effect: the present invention has the following advantages with respect to prior art:
(1) addition of low-melting fiber is very large for the end properties impact, add littlely, do not have cementation, the easy layering of finished product, fracture, poor durability, addition is large, again so that finished product too harden, poor flexibility, use very uncomfortablely, the addition of the low-melting fiber among the present invention has guaranteed that namely caking property has guaranteed that also finished product has suitable elasticity and elasticity is restorative between 15% ~ 40%.
(2) bed provided by the invention core most possibly can occur containing 60% ~ 85% bamboo hemp fibre in the top layer of peculiar smell, acarid or bacterium, flaxen fiber has good sucting wet air permeability, and antibiosis anti-acarien, long-term use can be because of moist not mouldy, infested going bad, thus keep mattress not yielding, in addition, the flaxen fiber quality is relatively light, and this is more convenient carrying and transportation, and can save cost of transportation.The effect of bamboo fiber moisture absorption hydrofuge deodorization, and the bamboo fiber jewelry, expensive clothing and other valuables are moderate, and sense of touch is submissive, and larger comfort can be provided.And the proportioning of bamboo fiber and flaxen fiber can farthest be brought into play both functions.
(3) bed core provided by the invention contains an amount of coconut fibre.Because flaxen fiber, bamboo fiber are thinner and soft with respect to coconut fibre, thereby durability is relatively relatively poor, participate in the coconut fibre that rigidity and elasticity are taken into account, when can namely guarantee the performance such as gas permeability, antibacterial mite-inhibiting, hydrofuge deodorizing of mattress, guarantee again elasticity and the durability of mattress.
(4) coconut fibre among the present invention: bamboo fiber: flaxen fiber content is than being 1:1:1 ~ 3:2:1, in this ratio situation, the lines of the cross-sectional area in intermediate layer is " S " type, S type structure has played the effect of spring, and little lighter, the elasticity of density strong, can save about 1/3rd raw material, with respect to other existing products, product provided by the invention, elasticity is better, and permeability is better.
(5) the invention provides the preparation method of compound health bed core, operation is simple, this adopts length to mattress of the present invention is in the situation of fiber of 30-300mm, the speed of control preformation net, combing, air lay operation is at 0 ~ 20m/min, so that whole interiors of products fiber is three-dimensional form, tied up in knots across mutually, thereby make mattress be difficult for layering, and have preferably elasticity and elastic recovery, long-term use is not yielding.And so that mattress vertical, horizontal brute force is balanced, indifference almost, its vertical, horizontal is powerful than being 1:1.02, and the vertical, horizontal of general carding is powerful than being 1:1.2-1:1.3.
Adopt cold rolling process, can in surely thick, help cooling, and the modified product surface, make the uneven of product surface become smooth.
Description of drawings
Fig. 1 is the structural representation of compound health bed core of the present invention.
Fig. 2 is the another kind of structural representation of compound health bed core of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described.
As depicted in figs. 1 and 2, mattress filled composite materials of the present invention has the upper epidermis 1 that sets gradually, intermediate layer 2, lower top layer 3 forms, mattress filled core among the present invention can also be according to the user demand of different crowd, increase the intermediate layer, top layer or remove the top layer, can also in each layer structure, adopt different materials, such as in the top layer, adding elastomeric material, the intermediate layer provides certain thickness and intensity for mattress, like this, can be so that mattress has enough elasticity, and durable in use, can also there be certain barrier effect on the top layer to the thick and stiff fiber in intermediate layer, prevents that it from pricking out and the shouting pain user; Each layer can adopt respectively different compositions, different technique, and to reach preferably result of use, the below is specific embodiment:
Embodiment 1:
A kind of compound health bed core, comprise an intermediate layer 2 and the top layer that is arranged on intermediate layer 2 upper surfaces and lower surface, described top layer is comprised of following component by weight percentage: 15% PLA fiber, 40% tossa and 45% bamboo fiber, described intermediate layer 2 is comprised of following component by weight percentage: 50% coconut fibre, 25% bamboo fiber, 10% tossa and 15% PP fiber.
Its preparation method comprises the steps:
The first step, with each component in required ratio weigh, shredding mixing, preformation net, combing, air lay, acupuncture, make respectively the nonwoven layers on upper epidermis 1, lower top layer 3, wherein the nonwoven layers on upper epidermis 1, lower top layer 3 adopts 15% PLA fiber, 40% tossa and 45% bamboo fiber, and the needling density in the needling process is 88 thorn/cm
2
Second step, the ratio of the coconut fibre according to 50%, 25% bamboo fiber, 10% tossa and 15% PP fiber is weighed, shredding mixing, preformation net, combing, air lay make intermediate layer 2, and wherein the speed of preformation net, combing, air lay operation is 6m/min;
The 3rd step, to be placed on respectively the above and below in the intermediate layer 2 of preparation in the step (2) by the upper epidermis 1 of step (1) preparation, the nonwoven layers on lower top layer 3, then enter together baking oven, cold rolling, cooling, cutting, test package, wherein oven temperature is 230 ℃, the time of smoking in the baking oven is 3min, cold rolling temperature is 9 ℃, and chilling temperature is 12 ℃.
Coconut fibre described in the present embodiment and bamboo fiber length are 200mm, and fineness is 120D; The length of described tossa is 80mm; Fineness is 30D;
The product various performance parameters of present embodiment preparation is as follows:
Antibacterial test: with the product that present embodiment makes, drip upper certain density Escherichia coli ATCC8739, then detect again e. coli concentration after 24 hours, draw the anti-microbial property parameter.
Drive the mite measure of merit: get 7 little culture dishes, culture dish centered by 1 wherein, put around the center culture dish for culture dish for all the other 6, and have place's culture dish wall to contact with the center culture dish, be placed on after 7 culture dishes are set its position is fixed.Test sample and the control sample that makes in the present embodiment placed at the interval in 6 culture dishes around, and the area of test sample and culture dish floor space are basically identical.On test sample, respectively put acarid feed 0.05g.Put into 1000 of acarids in the culture dish of center, put into one and cover porcelain dish being fixed on this cover experimental rig on the viscose glue cardboard, add saturated common salt solution and make that humidity remains on about 75% in the disk, (25 degree) cultivated 24 hours in constant temperature.Acarid in the feed is separated and collect with floatation, the method that washes with water collects acarid on each culture dish and the acarid preventing mattress.Record respectively the acarid number on the acarid preventing mattress, be calculated as follows the mite rate of driving:
Drive mite rate (%)=(1-test set acarid number/control group acarid number) * 100%
Testing result sees the following form:
Content of formaldehyde detects: detect by the prepared sample of present embodiment being carried out content of formaldehyde, testing result is 6mg/kg, is within the human-body safety value range.
Deodorization detects: get a certain amount of outturn sample, drip a concentration ammonia to sample, testing result is as follows
| Time | 0h | 3h | 24h |
| The concentration of ammonia (PPM) | 50.0 | 4.8 | 0.9 |
Brute force, smell and intensity detection: by powerful than being 1:1.01 to the prepared sample vertical, horizontal that test obtains with reference to GB/T15788-1995 of present embodiment; Draw product that present embodiment makes without unusual smell with reference to 6.8 experimental techniques in the QB1952.2-2004 mattress standard; The reference detected intensity of 6.6.1 wherein is 18N/cm, meets industry and national standard.
Elastomeric check: the product that present embodiment prepares, the lines of the cross-sectional area in intermediate layer 2 is " S " type, S type structure has played the effect of spring, and little lighter, the elasticity of density strong, can save about 1/3rd raw material, with respect to other existing products, the product that present embodiment makes, elasticity is better, and permeability is better.
Embodiment 2:
A kind of compound health bed core, comprise an intermediate layer 2 and the top layer that is arranged on intermediate layer 2 upper surfaces, described top layer is comprised of following component by weight percentage: 40% PP fiber, 15% flax fiber and 45% bamboo fiber, described intermediate layer 2 is comprised of following component by weight percentage: 30% coconut fibre, 20% bamboo fiber, 10% flax fiber and 40% ES fiber.
Its preparation method comprises the steps:
The first step, with each component in required ratio weigh, shredding mixing, preformation net, combing, air lay, acupuncture, make respectively the nonwoven layers on upper epidermis 1, lower top layer 3, wherein the nonwoven layers of upper epidermis 1 adopts 40% PP fiber, 15% flax fiber and 45% bamboo fiber, and the needling density in the needling process is 44 thorn/cm
2
Second step, the ratio of the coconut fibre according to 30%, 20% bamboo fiber, 10% flax fiber and 40% ES fiber is weighed, shredding mixing, preformation net, combing, air lay make intermediate layer 2, and wherein the speed of preformation net, combing, air lay operation is 20m/min;
The 3rd step, to be placed on respectively the above and below in the intermediate layer 2 of preparation in the step (2) by the upper epidermis 1 of step (1) preparation, the nonwoven layers on lower top layer 3, then enter together baking oven, cold rolling, cooling, cutting, test package, wherein oven temperature is 170 ℃, the time of smoking in the baking oven is 1min, cold rolling temperature is 25 ℃, and chilling temperature is 18 ℃.
Coconut fibre described in the present embodiment and bamboo fiber length are 300mm, and fineness is 15D; The length of described tossa is 30mm; Fineness is 15D;
The product various performance parameters of present embodiment preparation is as follows:
Antibacterial test: with the product that present embodiment makes, drip upper certain density Escherichia coli ATCC8739, then detect again e. coli concentration after 24 hours, draw the anti-microbial property parameter.
Drive the mite measure of merit: detection method is with embodiment 1;
Testing result sees the following form:
Content of formaldehyde detects: detect by the prepared sample of present embodiment being carried out content of formaldehyde, testing result is 8mg/kg, is within the human-body safety value range.
Deodorization detects: get a certain amount of outturn sample, drip a concentration ammonia to sample, testing result is as follows
| Time | 0h | 3h | 24h |
| The concentration of ammonia (PPM) | 50.0 | 3.7 | 1.4 |
Brute force, smell and intensity detection: by powerful than being 1:1.03 to the prepared sample vertical, horizontal that test obtains with reference to GB/T15788-1995 of present embodiment; Draw product that present embodiment makes without unusual smell with reference to 6.8 experimental techniques in the QB1952.2-2004 mattress standard; The reference detected intensity of 6.6.1 wherein is 12N/cm, meets industry and national standard.
Elastomeric check: the product that present embodiment prepares, the lines of the cross-sectional area in intermediate layer 2 is " S " type, S type structure has played the effect of spring, mutually and density little lighter, elasticity strong, can save about 1/3rd raw material, for other existing products, the product that present embodiment makes, elasticity is better, and permeability is better.
Embodiment 3:
A kind of compound health bed core, comprise an intermediate layer 2 and the top layer that is arranged on intermediate layer 2 lower surfaces, described top layer is comprised of following component by weight percentage: 30% PP fiber, 20% flax fiber and 50% bamboo fiber, described intermediate layer 2 is comprised of following component by weight percentage: 25% coconut fibre, 25% bamboo fiber, 25% hemp and 25% ES fiber.
Its preparation method comprises the steps:
The first step, with each component in required ratio weigh, shredding mixing, preformation net, combing, air lay, acupuncture, make respectively the nonwoven layers on upper epidermis 1, lower top layer 3, wherein descend the nonwoven layers on top layer 3 to adopt 30% PP fiber, 20% flax fiber and 50% bamboo fiber, the needling density in the needling process is 150 thorn/cm
2
Second step, the ratio of the coconut fibre according to 25%, 25% bamboo fiber, 25% hemp and 25% ES fiber is weighed, shredding mixing, preformation net, combing, air lay make intermediate layer 2, and wherein the speed of preformation net, combing, air lay operation is 8m/min;
The 3rd step, to be placed on respectively the above and below in the intermediate layer 2 of preparation in the step (2) by the upper epidermis 1 of step (1) preparation, the nonwoven layers on lower top layer 3, then enter together baking oven, cold rolling, cooling, cutting, test package, wherein oven temperature is 210 ℃, the time of smoking in the baking oven is 1min, cold rolling temperature is 12 ℃, and chilling temperature is 6 ℃.
Coconut fibre described in the present embodiment and bamboo fiber length are 230mm, and fineness is 85D; The length of described hemp is 210mm; Fineness is 35D;
The product various performance parameters of present embodiment preparation is as follows:
Antibacterial test: with the product that present embodiment makes, drip upper certain density Escherichia coli ATCC8739, then detect again e. coli concentration after 24 hours, draw the anti-microbial property parameter.
Drive the mite measure of merit: detection method is with embodiment 1.
Testing result sees the following form:
Content of formaldehyde detects: detect by the prepared sample of present embodiment being carried out content of formaldehyde, testing result is 18mg/kg, is within the human-body safety value range.
Deodorization detects: get a certain amount of outturn sample, drip a concentration ammonia to sample, testing result is as follows
| Time | 0h | 3h | 24h |
| The concentration of ammonia (PPM) | 50.0 | 4.2 | 1.2 |
Brute force, smell and intensity detection: by powerful than being 1:1.02 to the prepared sample vertical, horizontal that test obtains with reference to GB/T15788-1995 of present embodiment; Draw product that present embodiment makes without unusual smell with reference to 6.8 experimental techniques in the QB1952.2-2004 mattress standard; The reference detected intensity of 6.6.1 wherein is 26N/cm, meets industry and national standard.
Elastomeric check: the product that present embodiment prepares, the lines of the cross-sectional area in intermediate layer 2 is " S " type, S type structure has played the effect of spring, and little lighter, the elasticity of density strong, can save about 1/3rd raw material, with respect to other existing products, the product that present embodiment makes, elasticity is better, and permeability is better.
Embodiment 4:
A kind of compound health bed core, comprise two intermediate layers 2 and the top layer that is arranged on intermediate layer 2 upper surfaces and lower surface, described top layer is comprised of following component by weight percentage: 10% PP fiber, 10% ES fiber, 20% flax fiber and 60% bamboo fiber, described intermediate layer 2 is comprised of following component by weight percentage: 35% coconut fibre, 30% bamboo fiber, 15% sisal fiber and 20% ES fiber.
Its preparation method comprises the steps:
The first step, with each component in required ratio weigh, shredding mixing, preformation net, combing, air lay, acupuncture, make respectively the nonwoven layers on upper epidermis 1, lower top layer 3, wherein the nonwoven layers on upper epidermis 1, lower top layer 3 adopts 10% PP fiber, 10% ES fiber, 20% flax fiber and 60% bamboo fiber, and the needling density in the needling process is 65 thorn/cm
2
Second step, the ratio of the coconut fibre according to 35%, 30% bamboo fiber, 15% sisal fiber and 20% ES fiber is weighed, shredding mixing, preformation net, combing, air lay make intermediate layer 2, and wherein the speed of preformation net, combing, air lay operation is 5m/min;
The 3rd step, to be placed on respectively the above and below in the intermediate layer 2 of preparation in the step (2) by the upper epidermis 1 of step (1) preparation, the nonwoven layers on lower top layer 3, then enter together baking oven, cold rolling, cooling, cutting, test package, wherein oven temperature is 190 ℃, the time of smoking in the baking oven is 3min, cold rolling temperature is 15 ℃, and chilling temperature is 8 ℃.
Coconut fibre described in the present embodiment and bamboo fiber length are 150mm, and fineness is 105D; The length of described flaxen fiber is 100mm, and fineness is 30D;
The product various performance parameters of present embodiment preparation is as follows:
Antibacterial test: with the product that present embodiment makes, drip upper certain density Escherichia coli ATCC8739, then detect again e. coli concentration after 24 hours, draw the anti-microbial property parameter.
Drive the mite measure of merit: detection method is with embodiment 1;
Testing result sees the following form:
Content of formaldehyde detects: detect by the prepared sample of present embodiment being carried out content of formaldehyde, testing result is 12mg/kg, is within the human-body safety value range.
Deodorization detects: get a certain amount of outturn sample, drip a concentration ammonia to sample, testing result is as follows:
| Time | 0h | 3h | 24h |
| The concentration of ammonia (PPM) | 50.0 | 3.4 | 0.8 |
Brute force, smell and intensity detection: by powerful than being 1:1.01 to the prepared sample vertical, horizontal that test obtains with reference to GB/T15788-1995 of present embodiment; Draw product that present embodiment makes without unusual smell with reference to 6.8 experimental techniques in the QB1952.2-2004 mattress standard; The reference detected intensity of 6.6.1 wherein is 17N/cm, meets industry and national standard.
Elastomeric check: the product that present embodiment prepares, the lines of the cross-sectional area in intermediate layer 2 is oblique type, this texture structure has played the effect of spring, and little lighter, the elasticity of density strong, can save about 1/3rd raw material, with respect to other existing products, the product that present embodiment makes, elasticity is better, and the cross section, boundary is succinct attractive in appearance and permeability is better.
Embodiment 5:
A kind of compound health bed core, comprise two intermediate layers 2 and the top layer that is arranged on intermediate layer 2 upper surfaces, described top layer is comprised of following component by weight percentage: 15% PE/PET fiber, 5%PP fiber, 25% bastose and 55% bamboo fiber, described intermediate layer 2 is comprised of following component by weight percentage: 45% coconut fibre, 15% bamboo fiber, 10% bastose and 30% ES fiber.
Its preparation method comprises the steps:
The first step, with each component in required ratio weigh, shredding mixing, preformation net, combing, air lay, acupuncture, make respectively the nonwoven layers on upper epidermis 1, lower top layer 3, wherein the nonwoven layers of upper epidermis 1 adopts the bamboo fiber of 15% PE/PET fiber, 5%PP fiber, 25% bastose and 55%, and the needling density in the needling process is 120 thorn/cm
2
Second step, the ratio of the coconut fibre according to 45%, 15% bamboo fiber, 10% bastose and 30% ES fiber is weighed, shredding mixing, preformation net, combing, air lay make intermediate layer 2, and wherein the speed of preformation net, combing, air lay operation is 5m/min;
The 3rd step, to be placed on respectively the above and below in the intermediate layer 2 of preparation in the step (2) by the upper epidermis 1 of step (1) preparation, the nonwoven layers on lower top layer 3, then enter together baking oven, cold rolling, cooling, cutting, test package, wherein oven temperature is 220 ℃, the time of smoking in the baking oven is 7min, cold rolling temperature is 5 ℃, and chilling temperature is 11 ℃.
Coconut fibre described in the present embodiment and bamboo fiber length are 200mm, and fineness is 95D; The length of described flaxen fiber is 180mm; Fineness is 28D;
The product various performance parameters of present embodiment preparation is as follows:
Antibacterial test: with the product that present embodiment makes, drip upper certain density Escherichia coli ATCC8739, then detect again e. coli concentration after 24 hours, draw the anti-microbial property parameter.
Drive the mite measure of merit: method of testing such as embodiment 1;
Testing result sees the following form:
Content of formaldehyde detects: detect by the prepared sample of present embodiment being carried out content of formaldehyde, testing result is 10mg/kg, is within the human-body safety value range.
Deodorization detects: get a certain amount of outturn sample, drip a concentration ammonia to sample, testing result is as follows
| Time | 0h | 3h | 24h |
| The concentration of ammonia (PPM) | 50.0 | 2.6 | 0.5 |
Brute force, smell and intensity detection: by powerful than being 1:1.01 to the prepared sample vertical, horizontal that test obtains with reference to GB/T15788-1995 of present embodiment; Draw product that present embodiment makes without unusual smell with reference to 6.8 experimental techniques in the QB1952.2-2004 mattress standard; The reference detected intensity of 6.6.1 wherein is 19N/cm, meets industry and national standard.
Elastomeric check: the product that present embodiment prepares, the lines of the cross-sectional area in intermediate layer 2 is oblique type, this texture structure has played the effect of spring, and little lighter, the elasticity of density strong, can save about 1/3rd raw material, with respect to other existing products, the product that present embodiment makes, elasticity is better, and the cross section, boundary is succinct attractive in appearance and permeability is better.
There are considerable influence the baked temperature of the baking oven among the present invention, time to the product various aspects of performance, excess Temperature, overlong time, meeting so that low-melting fiber undue melt from but product become to harden and do not have elasticity, and temperature is excessively low, and the time is too short, again can so that between the fiber of product cohesive force inadequate, thereby easily layering, fracture affect durability.Process of the present invention is determined baked temperature, time, baked temperature is 170-230 ℃, the time of smoking in the baking oven is 1 ~ 9min, effect was better when wherein the time of smoking was 2.5 ~ 4min, can guarantee that product is in the whippy while, and enough cohesive forces are arranged, be difficult for layering, fracture.
The above only is preferred embodiment of the present invention; be noted that for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. compound health bed core, it is characterized in that: comprise at least one intermediate layer and the top layer that is arranged on intermediate layer upper surface or lower surface, described top layer is the nonwoven layers that is comprised of following component by weight percentage: 15% ~ 40% low-melting fiber and 60% ~ 85% bamboo hemp fibre, and described bamboo hemp fibre is comprised of bamboo fiber and flaxen fiber; Described intermediate layer is comprised of following component by weight percentage: 60% ~ 85% composite natral fiber, 15% ~ 40% low-melting fiber, described composite natral fiber is comprised of coconut fibre, bamboo fiber and flaxen fiber, described coconut fibre: bamboo fiber: flaxen fiber content is than being 1:1:1 ~ 3:2:1.
2. compound health bed core according to claim 1, it is characterized in that: in the bamboo hemp fibre in the described top layer, the percentage by weight that bamboo fiber and flaxen fiber account for whole top layer is respectively 45% ~ 60%, 15% ~ 40%.
3. compound health bed core according to claim 1 is characterized in that: described top layer employing acupuncture nonwoven layer.
4. compound health bed core according to claim 1 is characterized in that: described low-melting fiber is a kind of in PP fiber, PLA fiber, ES fiber, PE/PET core-skin fibre, 4080 fibers or more than one.
5. compound health bed core according to claim 1, it is characterized in that: described flaxen fiber is one or more in jute, bluish dogbane, sisal hemp, flax, hemp, the ramie.
6. compound health bed core according to claim 1, it is characterized in that: described coconut fibre and bamboo fiber length are 30-300mm, fineness is 15-120D; Described flaxen fiber length is 30-300mm, and fineness is 15-40D.
7. the preparation method of each described compound health bed core in the claim 1 ~ 6 is characterized in that: may further comprise the steps:
(1) with each component in required ratio weigh, shredding mixing, preformation net, combing, air lay, acupuncture, make respectively the up and down nonwoven layers on top layer;
(2) with each component in required ratio weigh, shredding mixing, preformation net, combing, air lay make the intermediate layer;
(3) nonwoven layers on the up and down top layer by step (1) preparation is placed on respectively the above and below in intermediate layer, then enter together baking oven, cold rolling, cooling, cutting, test package, wherein oven temperature is 170-230 ℃, and the time of smoking in the baking oven is 1 ~ 9min, and cold rolling temperature is 5-25 ℃.
8. the preparation method of compound health bed core according to claim 7 is characterized in that: the air cooling way cooling is adopted in the cooling in the described step (3), and chilling temperature is 0-25 ℃.
9. the preparation method of compound health bed core according to claim 7, it is characterized in that: the baked temperature in the baking oven in the described step (3) is 170-215 ℃.
10. the preparation method of compound health bed core according to claim 7, it is characterized in that: the needling density in the needling process in the described step (3) is 44-150 thorn/cm
2
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| CN104970619A (en) * | 2015-07-24 | 2015-10-14 | 安徽农业大学 | Loofah sponge fiber mattress filling material and preparation method thereof |
| CN106633980A (en) * | 2016-12-05 | 2017-05-10 | 芜湖天鸿汽车零部件有限公司 | Filling material of car cushion and preparation method of filling material |
| CN107660929A (en) * | 2017-10-25 | 2018-02-06 | 惠州市冠程家具有限公司 | A kind of fibre composite bed mattress and its processing method |
| CN108289549A (en) * | 2015-10-20 | 2018-07-17 | 阿希礼家具工业公司 | The furniture parts with cushion with the handrail panel with cushion |
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| CN109554776A (en) * | 2018-11-30 | 2019-04-02 | 福建省正士工贸有限公司 | A kind of enhanced natural fiber preparation process |
| CN113370611A (en) * | 2021-06-16 | 2021-09-10 | 常熟市振泰棕业制品有限公司 | Production process of environment-friendly hemp palm mat |
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Application publication date: 20130424 |