CN103054388A - Antibacterial and odor removing fiber bed core and preparation method thereof - Google Patents
Antibacterial and odor removing fiber bed core and preparation method thereof Download PDFInfo
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- CN103054388A CN103054388A CN2013100022006A CN201310002200A CN103054388A CN 103054388 A CN103054388 A CN 103054388A CN 2013100022006 A CN2013100022006 A CN 2013100022006A CN 201310002200 A CN201310002200 A CN 201310002200A CN 103054388 A CN103054388 A CN 103054388A
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Abstract
The invention discloses an antibacterial and odor removing fiber bed core. The fiber bed core comprises at least one middle layer and a surface layer which is arranged on the upper surface or the lower surface of the middle layer, wherein the surface layer comprises a non-woven fabric prepared from the following components in percentage by weight: 15-40% of low melting point fibers and 60-85% of polyester fibers; and the middle layer comprises the following components in percentage by weight: 60-85% of raw bamboo fibers and 15-40% of low melting point fibers. The invention further discloses a preparation method of the fiber bed core; and the preparation method comprises the following steps: respectively preparing each layer including an upper surface layer, a lower surface layer and the middle layer; laying the upper surface layer, the lower surface layer and the middle layer in sequence; drying the upper surface layer, the lower surface layer and the middle layer in a drying box; and coldly rolling, cooling, cutting, inspecting and packaging the upper surface layer, the lower surface layer and the middle layer. The fiber bed core disclosed by the invention has the advantages as follows: antibacterial and odor removing properties, elasticity and bulkiness, healthcare property, ultraviolet resistance, moisture absorbing and removing properties and environment friendliness of the fiber bed core are greatly improved when being compared with those of a traditional mattress.
Description
Technical field
The present invention relates to a kind of core, relate in particular to a kind of mattress filled core that adopts the bamboo fiber preparation and preparation method thereof.
Background technology
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.
Bamboo fibre in the market has bamboo pulp fiber, bamboo-carbon fibre, bamboo fiber.Bamboo pulp fiber, bamboo-carbon fibre are the chemical fibres that has adopted natural material, and only having bamboo fiber is to utilize physical method with separation such as the lignin in the bamboo wood, protein, fat, pectin, therefrom extracts bamboo fibre again, is natural fiber.The adding of bamboo fiber is so that the mattress of producing has met natural, green idea.
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, and comfortableness, elasticity and the feature of environmental protection are all relatively poor.
Bamboo fiber and low-melting fiber are 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, and can also bring unique effect, but because the bamboo fiber jewelry, expensive clothing and other valuables are moderate, 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.Because cooperatively interacting, bamboo fiber and low-melting fiber work, in view of the proportioning of bamboo fiber and low-melting fiber not open, thereby how proportioning can be made the satisfactory product of performance when those skilled in the art can't cooperate according to low-melting fiber and bamboo fiber.
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, moisture absorption hydrofuge deodorization is strong, anti-ultraviolet property is strong and is difficult for the fibre bed core of the insect protected bacteriostasis, and deodorization of layering, the present invention also provides the preparation method of the fibre bed core of this bacteriostasis, and deodorization.
Technical scheme: for solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
The fibre bed core of bacteriostasis, and deodorization 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% ~ 85% bamboo fiber and 15% ~ 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 fibre bed core bonding, be difficult for layering and environmental protection.Bamboo fiber among the present invention is to utilize physical method with separation such as the lignin in the bamboo wood, protein, fat, pectin, therefrom extracts bamboo fibre again, is natural fiber.The adding of bamboo fiber is so that the mattress of producing has met natural, green idea.Mesexine of the present invention adopts polyester fiber, can strengthen fluffy degree and the elasticity on top layer, can increase rebound characteristics, plays the effect of cushion, and more comfortable, and cost is also lower.
Preferably, the weight content of the bamboo fiber in the described fibre bed core is 8% ~ 75%.
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 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 bamboo fiber length is 30-300mm, and fineness is 15-120D; Described polyester 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 bamboo 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.
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.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; Wherein the needling density in the needling process is 44-150 thorn/cm
2
(2) 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 1 ~ 20m/min;
(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 ℃, the time of smoking in the baking oven is 1 ~ 9min, cold rolling temperature is 5-25 ℃, and chilling temperature is 0-25 ℃.
Preferably, the air cooling way cooling is adopted in the cooling in the described step (3), 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 end properties impact, adds littlely, does not have cementation, the easy layering of finished product, fracture, poor durability, addition is large, again so that finished product too harden, poor flexibility uses very uncomfortablely, and the 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 in top layer and intermediate layer has guaranteed that namely caking property has guaranteed that also finished product has suitable elasticity and elasticity is restorative between 15% ~ 40%.
(2) to contain percentage by weight be 60% ~ 85% bamboo fiber in the intermediate layer of fibre bed core provided by the invention, effect that can the natural bamboo fiber of maximized performance.Antibiotic property: contain " bamboo a kind of jade " antibacterial material in the bamboo fibre, the effect that has deodorization to eliminate the unusual smell to underclothes.Health: the polyphenoils in the bamboo element can effectively be removed the free radical in the body, contains multiple human body essential amino acid in the bamboo fibre.Uvioresistant: the ultraviolet penetrance of bamboo fibre is 6/10000ths, and anti-uv-ray is cotton 41.7 times, and bamboo fibre is not with any free charge, and is antistatic, relieving itching.Moisture absorption hydrofuge deodorization: owing to contain chlorophyll copper sodium in the bamboo fiber, in all fibers, the moist and gas permeability of the absorption of bamboo fibre is best, be " fiber that can breathe " by good reputation, and is of a specified duration with not staying peculiar smell.Comfortableness: cool in summer and warm in winter, can get rid of again unnecessary hot gas and moisture in the body, and hardness and rigidity are moderate, meet large absolutely number people's applicable requirement.
(3) feature of environmental protection: bamboo fibre is real environment-friendly and green product, and is pollution-free without any chemical composition, and bamboo fibre 100% is biodegradable.
(4) mesexine of the present invention adopts polyester fiber, can strengthen fluffy degree and the elasticity on top layer, can increase rebound characteristics, plays the effect of cushion, can be more comfortable, and also cost is also lower.
(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 fibre 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, and to reach preferably result of use, the below is specific embodiment:
Embodiment 1:
A kind of fibre bed core of bacteriostasis, and deodorization, 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, 85% dacron fibre, described intermediate layer 2 is comprised of following component by weight percentage: 60% bamboo fiber and 40% 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, 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 bamboo fiber according to 60% and 40% 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 ℃.
Bamboo fiber length described in the present embodiment is 200mm, and fineness is 120D;
The product various performance parameters of present embodiment preparation is as follows:
Antibacterial test: the product that present embodiment makes is checked by JIS L1902-2002 quantitative approach, dripped upper certain density Escherichia coli ATCC8739, then detect again e. coli concentration after 24 hours, draw the anti-microbial property parameter.
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.
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 | 3.8 | 0.3 |
Experiment shows: owing to contain chlorophyll copper sodium in the bamboo fiber, thereby have good deodorization functions.
Anti-ultraviolet function: ultraviolet transmitance depends on many factors, such as institutional framework, coverage coefficient, color, chemical addition agent in processes and processing of sample etc., by to present embodiment sample UV detection, it is strong to draw ultraviolet resistance.
Powerful, 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 21N/cm, meets industry and national standard.
Elastomeric check: the product that present embodiment prepares owing to increased polyester fiber, has increased fluffy degree of the present invention and elasticity, have higher rebound characteristics, played the effect of cushion, with respect to other existing products, elasticity is better, and permeability is better.
Embodiment 2:
A kind of fibre bed core of bacteriostasis, and deodorization, 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, 60% poly fiber, described intermediate layer 2 is comprised of following component by weight percentage: 85% bamboo fiber and 15% 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, 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 bamboo fiber according to 85% and 15% 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 ℃.
Bamboo fiber length described in the present embodiment is 300mm, and fineness is 80D;
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 ATCC8739 Escherichia coli, then detect again e. coli concentration after 24 hours, draw the anti-microbial property parameter.
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.
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 | 6.1 | 0.6 |
Experiment shows: owing to contain chlorophyll copper sodium in the bamboo fiber, thereby have good deodorization functions.
Anti-ultraviolet function: ultraviolet transmitance depends on many factors, such as institutional framework, coverage coefficient, color, chemical addition agent in processes and processing of sample etc., by to present embodiment sample UV detection, it is strong to draw ultraviolet resistance.
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 10N/cm, meets industry and national standard.
Elastomeric check: the product that present embodiment prepares owing to increased polyester fiber, has increased fluffy degree of the present invention and elasticity, have higher rebound characteristics, played the effect of cushion, with respect to other existing products, elasticity is better, and permeability is better.
Embodiment 3:
A kind of fibre bed core of bacteriostasis, and deodorization, 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: 30% 4080 fibers and 70% PTT Fiber, described intermediate layer 2 is comprised of following component by weight percentage: 70% bamboo fiber and 30% low-melting 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 30% 4080 fibers and 70% PTT Fiber, and the needling density in the needling process in the needling process is 150 thorn/cm
2
Second step, the ratio of the bamboo fiber according to 70% and 30% low-melting 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 ℃.
Bamboo fiber length described in the present embodiment is 230mm, and fineness is 85D;
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.
Content of formaldehyde detects: detect by the prepared sample of present embodiment being carried out content of formaldehyde, testing result is 5mg/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 | 6.3 | 0.7 |
Experiment shows: owing to contain chlorophyll copper sodium in the bamboo fiber, thereby have good deodorization functions.
Anti-ultraviolet function: ultraviolet transmitance depends on many factors, such as institutional framework, coverage coefficient, color, chemical addition agent in processes and processing of sample etc., by to present embodiment sample UV detection, it is strong to draw ultraviolet resistance.
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 21N/cm, meets industry and national standard.
Elastomeric check: the product that present embodiment prepares owing to increased polyester fiber, has increased fluffy degree of the present invention and elasticity, have higher rebound characteristics, played the effect of cushion, with respect to other existing products, elasticity is better, and permeability is better.
Embodiment 4:
A kind of fibre bed core of bacteriostasis, and deodorization, 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: 20% PP fiber, 15% ES fiber, 65% PTT Fiber, described intermediate layer 2 is comprised of following component by weight percentage: 65% bamboo fiber 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 20% PP fiber, 15% ES fiber, 65% PTT Fiber, and the needling density in the needling process in the needling process is 88 thorn/cm
2
Second step, the ratio of the bamboo fiber 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 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 170 ℃, the time of smoking in the baking oven is 3min, cold rolling temperature is 15 ℃, and chilling temperature is 8 ℃.
Bamboo fiber length described in the present embodiment is 150mm, and 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.
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 | 6.2 | 0.5 |
Experiment shows: owing to contain chlorophyll copper sodium in the bamboo fiber, thereby have good deodorization functions.
Anti-ultraviolet function: ultraviolet transmitance depends on many factors, such as institutional framework, coverage coefficient, color, chemical addition agent in processes and processing of sample etc., by to present embodiment sample UV detection, it is strong to draw ultraviolet resistance.
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 owing to increased polyester fiber, has increased fluffy degree of the present invention and elasticity, have higher rebound characteristics, played the effect of cushion, with respect to other existing products, elasticity is better, and permeability is better.
Embodiment 5:
A kind of fibre bed core of bacteriostasis, and deodorization, 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% PE/PET fiber, 2%PP fiber, 80% PTT Fiber, described intermediate layer 2 is comprised of following component by weight percentage: 75% bamboo fiber 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 the nonwoven layers on upper epidermis 1, lower top layer 3 adopts 15% PE/PET fiber, 5%PP fiber, 80% bamboo fiber, and the needling density in the needling process in the needling process is 120 thorn/cm
2
Second step, the ratio of the bamboo fiber according to 75% 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 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 ℃.
Bamboo fiber length described in the present embodiment is 200mm, and fineness is 95D;
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.
Content of formaldehyde detects: detect by the prepared sample of present embodiment being carried out content of formaldehyde, testing result is 9mg/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 | 5.8 | 0.4 |
Experiment shows: owing to contain chlorophyll copper sodium in the bamboo fiber, thereby have good deodorization functions.
Anti-ultraviolet function: ultraviolet transmitance depends on many factors, such as institutional framework, coverage coefficient, color, chemical addition agent in processes and processing of sample etc., by to present embodiment sample UV detection, it is strong to draw ultraviolet resistance.
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 owing to increased polyester fiber, has increased fluffy degree of the present invention and elasticity, have higher rebound characteristics, played the effect of cushion, with respect to other existing products, elasticity is better, 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. the fibre bed core of a bacteriostasis, and deodorization, 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% ~ 85% bamboo fiber and 15% ~ 40% low-melting fiber.
2. the fibre bed core of bacteriostasis, and deodorization according to claim 1, it is characterized in that: the weight content of the bamboo fiber in the described fibre bed core is 10% ~ 74%.
3. the fibre bed core of bacteriostasis, and deodorization according to claim 1 is characterized in that: described top layer employing acupuncture nonwoven layer.
4. the fibre bed core of bacteriostasis, and deodorization 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. the fibre bed core of bacteriostasis, and deodorization 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.
6. the fibre bed core of bacteriostasis, and deodorization according to claim 1, it is characterized in that: described bamboo fiber length is 30-300mm, fineness is 15-120D; Described polyester fiber length is 30-300mm, and fineness is 15-40D.
7. the preparation method of the fibre bed core of each described bacteriostasis, and deodorization 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 ℃, the time of smoking in the baking oven is 1 ~ 9min, and cold rolling temperature is 5-25 ℃.
8. the preparation method of the fibre bed core of bacteriostasis, and deodorization 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 the fibre bed core of bacteriostasis, and deodorization 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 the fibre bed core of bacteriostasis, and deodorization according to claim 7, it is characterized in that: the needling density in the needling process in the described step (1) is 44-150 thorn/cm
2
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