CN103054401A - Crib mattress and manufacturing method thereof - Google Patents
Crib mattress and manufacturing method thereof Download PDFInfo
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- CN103054401A CN103054401A CN2013100021978A CN201310002197A CN103054401A CN 103054401 A CN103054401 A CN 103054401A CN 2013100021978 A CN2013100021978 A CN 2013100021978A CN 201310002197 A CN201310002197 A CN 201310002197A CN 103054401 A CN103054401 A CN 103054401A
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Abstract
The inventional discloses a crib mattress comprising at least one intermediate layer, upper surface layers and lower surface layers, wherein the upper surface layers and the lower surface layers are arranged on the upper surfaces or the lower surfaces of the intermediate layers. Each surface layer is a non-woven layer comprising, by weight, 15-40% of low-fusion-point fibers and 60-85% of polyester fibers. Each intermediate layer comprises, by weight, 60-75% of jute fibers and 25-40% of low-fusion-point fibers. The invention further discloses a manufacturing method of the crib mattress. The manufacturing method includes steps of manufacturing the upper surface layers, the lower surfaces and the intermediate layers and sequentially performing drying in a drying oven, cold rolling, cooling, cutting, checking and packaging. The crib mattress and the manufacturing method thereof solve the technical problems that an existing mattress is easy to mildew and have worms, prone to layering and breaking, poor in elasticity and breathability and not easy to carry, and the like. As the surface layers made of polyester fibers is high in resilience and the intermediate layers made of jute fibers are fine and soft, the crib mattress is quite applicable to infants.
Description
Technical field
The present invention relates to a kind of core, relate in particular to a kind of adopt the preparation of flaxen fiber and polyester fiber be specially adapted to bed core of baby child and preparation method thereof.
Background technology
Flaxen fiber mattress filled 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 has used glue and the hard problem of matter, but the moisture-sensitive of coconut fibre own is mouldy, snake rotten, moisture absorption hydrofuge and anti-microbial property are relatively poor, the long-term use is harmful to health, and mattress is yielding, weight is larger, has brought very large inconvenience for the carrying transportation.
By flaxen fiber and low-melting fiber in conjunction with 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, and poor flexibility, addition are crossed at least can not play good cementation, affects intensity, and easily layering.Although also disclose respectively the addition of some low-melting fibers, flaxen fiber in some documents, but on the one hand, the disclosed low-melting fiber of these documents, flaxen fiber wider range, obviously, the prior art does not consider that the addition of low-melting fiber, flaxen fiber is for the impact of mattress 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 some documents in the performance of used respective material larger difference is arranged, thereby how proportioning can be made the satisfactory product of performance when those skilled in the art can't know that low-melting fiber and flaxen fiber cooperate according to above-mentioned document.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, 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 affect gas permeability, good permeability and affect 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 affected comfortableness.The applicant studies discovery, and the addition of low-melting fiber has larger impact to gas permeability.
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 antibacterial mite-inhibiting is good, elasticity is strong, intensity is high, loose moist strong and be difficult for the insect protected bed core that layering is specially adapted to baby child, the present invention also provides the preparation method of this fibre bed core.
Technical scheme: for solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
Baby's Children’s bed core provided by the invention, 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% polyester fiber, described intermediate layer is comprised of following component by weight percentage: 60% ~ 75% flaxen fiber and 25% ~ 40% low-melting fiber.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.Mesexine of the present invention adopts polyester fiber, can strengthen fluffy degree and the elasticity on top layer, increases rebound performance, has played the effect of cushion, and is more comfortable, and cost is also lower.
Preferably, the weight content of the flaxen fiber in the described fibre bed core is 20% ~ 85%.
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 polyester fiber is dacron fibre, poly fiber, PTT Fiber, poly terephthalic acid-1, in 4-hexamethylene dimethyl ester fiber, poly--2,6-naphthalene diacid second two ester fibers one or more.
Preferably, described polyester fiber length is 30-300mm, and fineness is 80-120D; Described flaxen fiber length is 30-300mm, and fineness is 25-40D.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 fibre 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.
The addition ratio of flaxen fiber amount and low-melting fiber amount among the present invention, that the applicant is through repeatedly studying the optimal proportion of summing up out, with respect to prior art, antibacterial mite-inhibiting, elasticity, intensity, loose moist, be difficult for all having promoted greatly on the lamination problem.
By the polyester fiber in the top layer and the ratio content of low-melting fiber, on caking ability and rebound performance, all reach more excellent effect among the present invention, can strengthen fluffy degree and the elasticity on top layer, increase rebound performance, played the effect of cushion, more comfortable.
The present invention also provides the preparation method of described fibre 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 ℃.
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 little, do not have cementation, the easy layering of finished product, fracture, poor durability, addition is large, so that finished product too hardens, poor flexibility uses very uncomfortable again, polyester fiber for the top layer among the present invention is different from the fusing point of the flaxen fiber in intermediate layer, the addition of the low-melting fiber on top layer is between 15% ~ 40%, and the low-melting fiber addition in intermediate layer has guaranteed namely that 25% ~ 40% caking property has guaranteed that also finished product has suitable elasticity and elasticity is restorative.
(2) to contain percentage by weight be 60% ~ 75% flaxen fiber in the intermediate layer of fibre bed core provided by the invention, 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 relatively light, and this is more convenient carrying and transportation, and can save cost of transportation.
(3) fibre bed core of the present invention contains 60% ~ 85% flaxen fiber, and the ratio of flaxen fiber improves, so that the product overall weight alleviates, and the flaxen fiber antibiotic property is good, the raising of ratio, and anti-microbial property also improves, hardness is medium, and elasticity is medium, is particularly suitable for the virgin use of baby.
(4) mesexine of the present invention adopts polyester fiber, can strengthen fluffy degree and the elasticity on top layer, increases rebound performance, has played the effect of cushion, and is more comfortable, so be particularly suitable for the virgin use of baby.
(5) the invention provides the preparation method of fibre 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 baby's Children’s bed core of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described.
As shown in Figure 1, 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, reached preferably result of use, and the below is specific embodiment:
Embodiment 1:
A kind of baby's Children’s 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 and 85% dacron fibre, described intermediate layer 2 is comprised of following component by weight percentage: 75% tossa and 25% 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 2 adopts 15% PLA fiber and 85% dacron fibre, and the needling density in the needling process in the needling process is 88 thorn/cm
2
Second step, the ratio of the tossa according to 75% and 25% 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 ℃.
The length of the tossa described in the present embodiment 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.
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, with respect to other existing products, elasticity is better, and permeability is better.
Embodiment 2:
A kind of baby's Children’s 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 and 60% poly fiber, described intermediate layer 2 is comprised of following component by weight percentage: 60% tossa 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 and 60% poly fiber, and the needling density in the needling process in the needling process is 44 thorn/cm
2
Second step, the ratio of the tossa according to 60% 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 180 ℃, the time of smoking in the baking oven is 1min, cold rolling temperature is 20 ℃, and chilling temperature is 18 ℃.
The length of the tossa described in the present embodiment 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 4mg/kg, is within the human-body safety value range.
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 16N/cm, meets industry and national standard.
Elastomeric check: the product that present embodiment prepares, with respect to other existing products, elasticity is better, and permeability is better.
Embodiment 3:
A kind of baby's Children’s 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: 35% 4080 fibers and 65% PTT Fiber, described intermediate layer 2 is comprised of following component by weight percentage: 65% hemp and 35% 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 35% 4080 fibers and 65% PTT Fiber, and the needling density in the needling process in the needling process is 100 thorn/cm
2
Second step, the ratio of the hemp according to 65% and 35% 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 by upper and lower unwinding device, 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 ℃.
The length of the hemp described in the present embodiment 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 7mg/kg, is within the human-body safety value range.
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 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, and this texture structure has played the effect of spring, 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 4:
A kind of baby's Children’s 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% PP fiber, 15% ES fiber, 35% poly terephthalic acid-1,4-hexamethylene dimethyl ester fiber and 35% poly--2,6-naphthalene diacid second two ester fibers, described intermediate layer 2 is comprised of following component by weight percentage: 70% tossa 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 15% PP fiber, 15% ES fiber, 35% poly terephthalic acid-1,4-hexamethylene dimethyl ester fiber and 35% poly--2,6-naphthalene diacid second two ester fibers, the needling density in the needling process in the needling process is 60 thorn/cm
2
Second step, the ratio of the tossa according to 70% 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 by upper and lower unwinding device, 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 ℃.
The length of the tossa described in the present embodiment 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 4mg/kg, is within the human-body safety value range.
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, and this texture structure has played the effect of spring, 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 baby's Children’s 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: 15% PE/PET fiber, 10%PP fiber, 75% PTT Fiber, described intermediate layer 2 is comprised of following component by weight percentage: 68% bastose and 32% 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 15% PE/PET fiber, 30%PP fiber, 55% PTT Fiber, and the needling density in the needling process in the needling process is 70 thorn/cm
2
Second step, the ratio of the bastose according to 68% and 32% 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 by upper and lower unwinding device, 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 ℃.
The length of the flaxen fiber described in the present embodiment 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 14mg/kg, is within the human-body safety value range.
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 oblique type, and this texture structure has played the effect of spring, 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, and cohesive force is inadequate between the fiber of the product that can be again, 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. baby's Children’s 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% polyester fiber, described intermediate layer is comprised of following component by weight percentage: 60% ~ 75% flaxen fiber and 25% ~ 40% low-melting fiber.
2. baby's Children’s bed core according to claim 1, it is characterized in that: the weight content of the flaxen fiber in described baby's Children’s bed core is 20% ~ 85%.
3. baby's Children’s bed core according to claim 1 is characterized in that: described top layer employing acupuncture nonwoven layer.
4. baby's Children’s 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. baby's Children’s 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. baby's Children’s bed core according to claim 1, it is characterized in that: described polyester fiber is dacron fibre, poly fiber, PTT Fiber, poly terephthalic acid-1, in 4-hexamethylene dimethyl ester fiber, poly--2,6-naphthalene diacid second two ester fibers one or more.
7. baby's Children’s bed core according to claim 1, it is characterized in that: described polyester fiber length is 30-300mm, fineness is 15-120D; Described flaxen fiber length is 30-300mm, and fineness is 15-40D.
8. the preparation method of each described baby's Children’s bed core in the claim 1 ~ 7 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 ℃.
9. the preparation method of baby's Children’s bed core according to claim 8 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 ℃.
10. the preparation method of baby's Children’s bed core according to claim 8, it is characterized in that: the baked temperature in the baking oven in the described step (3) is 170-215 ℃.
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| CN2013100021978A CN103054401A (en) | 2013-01-04 | 2013-01-04 | Crib mattress and manufacturing method thereof |
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| CN2013100021978A CN103054401A (en) | 2013-01-04 | 2013-01-04 | Crib mattress and manufacturing method thereof |
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| CN (1) | CN103054401A (en) |
Cited By (3)
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| CN103352321A (en) * | 2013-07-31 | 2013-10-16 | 浏阳市南方椰棕厂 | Fiberboard and preparation method thereof |
| CN103352319A (en) * | 2013-07-31 | 2013-10-16 | 浏阳市南方椰棕厂 | Fiberboard and preparation method thereof |
| CN107405009A (en) * | 2015-03-19 | 2017-11-28 | 皇家飞利浦有限公司 | Moldable framework for positioner |
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| CN103352321A (en) * | 2013-07-31 | 2013-10-16 | 浏阳市南方椰棕厂 | Fiberboard and preparation method thereof |
| CN103352319A (en) * | 2013-07-31 | 2013-10-16 | 浏阳市南方椰棕厂 | Fiberboard and preparation method thereof |
| CN107405009A (en) * | 2015-03-19 | 2017-11-28 | 皇家飞利浦有限公司 | Moldable framework for positioner |
| CN107405009B (en) * | 2015-03-19 | 2021-04-30 | 皇家飞利浦有限公司 | Moldable frame for positioning device |
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Application publication date: 20130424 |