CN117211011B - Mattress material containing magnetic fibers and preparation method thereof - Google Patents
Mattress material containing magnetic fibers and preparation method thereof Download PDFInfo
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- CN117211011B CN117211011B CN202311481844.8A CN202311481844A CN117211011B CN 117211011 B CN117211011 B CN 117211011B CN 202311481844 A CN202311481844 A CN 202311481844A CN 117211011 B CN117211011 B CN 117211011B
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- 239000000835 fiber Substances 0.000 title claims abstract description 200
- 239000000463 material Substances 0.000 title claims abstract description 61
- 238000002360 preparation method Methods 0.000 title abstract description 28
- 229920000728 polyester Polymers 0.000 claims abstract description 70
- 239000006249 magnetic particle Substances 0.000 claims abstract description 47
- 239000004952 Polyamide Substances 0.000 claims abstract description 22
- 229920002647 polyamide Polymers 0.000 claims abstract description 22
- 244000025254 Cannabis sativa Species 0.000 claims description 44
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 44
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 44
- 235000009120 camo Nutrition 0.000 claims description 44
- 235000005607 chanvre indien Nutrition 0.000 claims description 44
- 239000011487 hemp Substances 0.000 claims description 44
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 36
- 239000007788 liquid Substances 0.000 claims description 31
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 claims description 26
- 239000004744 fabric Substances 0.000 claims description 25
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 18
- 229920002125 Sokalan® Polymers 0.000 claims description 17
- 239000004584 polyacrylic acid Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 15
- 239000006185 dispersion Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 13
- WUGQZFFCHPXWKQ-UHFFFAOYSA-N Propanolamine Chemical compound NCCCO WUGQZFFCHPXWKQ-UHFFFAOYSA-N 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229910052786 argon Inorganic materials 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 9
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 8
- 239000004202 carbamide Substances 0.000 claims description 8
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 7
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- 238000009960 carding Methods 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- 238000009210 therapy by ultrasound Methods 0.000 claims description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- 229920006243 acrylic copolymer Polymers 0.000 claims description 5
- 230000001112 coagulating effect Effects 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000007865 diluting Methods 0.000 claims description 3
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims description 3
- 238000007605 air drying Methods 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 23
- 239000004753 textile Substances 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 19
- 239000001913 cellulose Substances 0.000 description 7
- 229920002678 cellulose Polymers 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000009832 plasma treatment Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
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- 238000003760 magnetic stirring Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000011885 synergistic combination Substances 0.000 description 1
- 238000001132 ultrasonic dispersion Methods 0.000 description 1
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- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The application relates to the technical field of textiles, and particularly discloses a mattress material containing magnetic fibers and a preparation method thereof. The mattress material containing the magnetic fibers comprises the following components in parts by weight: 50-58 parts of modified polyester fiber, 35-39 parts of polyamide low-melting-point fiber and 15-17 parts of magnetic fiber. The binding force between the magnetic fiber and the modified polyester fiber is higher, and the polyamide low-melting-point fiber has good adhesiveness to the modified polyester fiber and the magnetic fiber, so that the mechanical property of the mattress material is improved, the special effect of the mattress material is developed, and certain magnetic property is given to the mattress material through the introduction of magnetic particles.
Description
Technical Field
The present application relates to the technical field of textiles, and more particularly, to a mattress material containing magnetic fibers and a preparation method thereof.
Background
Mattresses are important household items, and commonly used mattresses include spring mattresses, palm mattresses, latex mattresses, water mattresses and the like. The selection of the mattress material has an important influence on the quality of mattress products, so that manufacturers are expected to have special effects under proper conditions on the basis of good mechanical properties when designing the mattress material.
The related art has a mattress material comprising the following components in parts by weight: 50 parts of polyester fiber, 35 parts of low-melting-point fiber and 15 parts of hemp fiber. The preparation method of the mattress material comprises the following steps: (1) Opening, mixing, carding and cross-lapping the polyester fibers, the low-melting-point fibers and the hemp fibers to form a fiber net; (2) The fiber web is drawn and hot rolled to obtain the mattress material.
Aiming at the related technology, the inventor believes that polyester fibers are mostly made of polyester materials with weaker polarity, the main component of the hemp fibers is cellulose with high crystallinity, and the surface of the hemp fibers is provided with more polar groups, so that the compatibility of the hemp fibers and the polyester fibers is poor, the combination effect generated in the processing process is poor, the mechanical properties of mattress materials are difficult to further improve, and the further development of special effects of mattress materials is limited.
Disclosure of Invention
In the related art, the combination effect of the hemp fiber and the polyester fiber is poor, so that the mechanical property of the mattress material is difficult to further improve, and the further development of the special effect of the mattress material is limited. To ameliorate this deficiency, the present application provides a mattress material containing magnetic fibers and a method of making the same.
In a first aspect, the present application provides a mattress material containing magnetic fibers, which adopts the following technical scheme:
a mattress material containing magnetic fibers, which comprises the following components in parts by weight: 50-58 parts of modified polyester fiber, 35-39 parts of polyamide low-melting-point fiber and 15-17 parts of magnetic fiber, wherein the modified polyester fiber is polyester fiber with an acrylic copolymer grafted on the surface, the magnetic fiber is hemp fiber with magnetic particles loaded on the surface, and the magnetic particles are nano ferroferric oxide with polyacrylic acid coated on the surface.
By adopting the technical scheme, compared with the related art, the method introduces the acrylic acid copolymer and the magnetic particles on the surfaces of the polyester fiber and the hemp fiber respectively, obtains the modified polyester fiber and the magnetic fiber, and optimizes the low-melting-point fiber to be the polyamide low-melting-point fiber. Because the surfaces of the modified polyester fiber and the magnetic fiber have polyacrylic acid groups with similar structures, the modified polyester fiber and the magnetic fiber have good compatibility and good combination effect after processing. Meanwhile, the strong polarity of polyacrylic acid groups also enables the polyamide low-melting-point fibers to have good adhesion to the modified polyester fibers and the magnetic fibers. On the basis, the magnetic particles can also lead to the surface of the magnetic fiber to have higher roughness (compared with the hemp fiber), which is beneficial to the sufficient adhesion of the magnetic fiber and the polyamide low-melting fiber. Because the magnetic fiber and the modified polyester fiber have good bonding effect after being processed, and the polyamide low-melting-point fiber has good adhesiveness to the modified polyester fiber and the magnetic fiber, the mechanical property of the mattress material is improved, the defects in the related technology are overcome, the special efficacy of the mattress material is further developed, and certain magnetic property is endowed to the mattress material through the introduction of the magnetic particles.
Preferably, the magnetic particles are prepared as follows:
mixing polyacrylic acid and ferric chloride, dissolving in ethylene glycol, adding 3-aminopropanol, and stirring and mixing to obtain raw material liquid; carrying out forced air drying on the raw material liquid at 200+/-2 ℃ to obtain black sol; and diluting and washing the black sol, preparing a product into aqueous dispersion, and vacuum drying the aqueous dispersion to obtain the magnetic particles.
Through adopting above-mentioned technical scheme, the application takes ferric chloride as the iron source, takes ethylene glycol and 3-aminopropanol as the dispersant, takes polyacrylic acid as the stabilizer, takes ferric chloride to hydrolyze under the condition of blast drying, and coats polyacrylic acid on the surface of nano ferroferric oxide, thus obtaining the magnetic particles.
Preferably, the volume ratio of the ethylene glycol to the 3-aminopropanol is (5-15): 1.
By adopting the technical scheme, the proportion of the ethylene glycol to the 3-aminopropanol is optimized, the adhesion effect of the magnetic particles on the surface of the hemp fiber is enhanced, the total amount of the magnetic particles carried by the magnetic fiber is further increased, and the mechanical property of the mattress material is improved.
Preferably, the polyacrylic acid has a weight average molecular weight of 1400 to 1800.
By adopting the technical scheme, the weight average molecular weight of polyacrylic acid is optimized, the adhesion effect of the magnetic particles on the surface of the hemp fabric is enhanced, the total amount of the magnetic particles carried by the magnetic fibers is further increased, and the mechanical property of the mattress material is improved.
Preferably, the magnetic fiber is prepared as follows:
(1) Dissolving urea and sodium hydroxide in water to obtain a modified liquid for later use; mixing magnetic particles with water to obtain a magnetic particle dispersion liquid for standby;
(2) Soaking the hemp fabric by using a modifying liquid, transferring the hemp fabric into a magnetic particle dispersion liquid for ultrasonic treatment, and sequentially performing padding, coagulating bath, washing and drying after the ultrasonic treatment is finished to obtain the modified hemp fabric;
(3) And opening and cutting the modified hemp fabric to obtain the magnetic fiber.
Through adopting above-mentioned technical scheme, the application uses the modified liquid to soak the hemp fabric, and the modified liquid has dissolved the cellulose on hemp fabric surface, then makes magnetic particle and hemp fabric abundant contact through ultrasonic dispersion in magnetic particle dispersion, and is attached to the hemp as the surface with magnetic particle. And then, after the treatment of a coagulating bath, solidifying cellulose on the surface of the hemp fabric, and washing and drying to obtain the hemp fabric with the magnetic particles loaded on the surface. And (5) opening and cutting the hemp fabric to obtain the magnetic fiber.
Preferably, in the step (1) of preparing the magnetic fiber, caprolactam is added to water together with urea and sodium hydroxide when preparing the modifying liquid.
By adopting the technical scheme, the caprolactam can enhance the dissolution effect of the modified liquid on cellulose, so that the magnetic particles are more easily combined with the cellulose dissolved on the surface of the hemp fabric, the loading effect of the magnetic particles on the fiber surface of the hemp fabric is enhanced, the total amount of the magnetic particles carried by the magnetic fibers is increased, and the mechanical property of the mattress material is improved.
Preferably, the mass fraction of the caprolactam in the modifying liquid is 2.0-2.8%.
By adopting the technical scheme, the mass fraction of caprolactam is optimized, which is favorable for improving the total amount of magnetic particles carried by the magnetic fibers and improving the mechanical property of the mattress material.
Preferably, the modified polyester fiber is prepared according to the following method:
cleaning and drying polyester fibers, soaking the polyester fibers in liquid acrylic acid, and taking out and drying the polyester fibers for later use; and (3) carrying out surface treatment on the dried polyester fiber by using argon plasma under the condition of 70-200W of discharge power to obtain the modified polyester fiber.
By adopting the technical scheme, the modified polyester fiber is obtained by firstly enabling the polyester fiber to soak liquid acrylic acid, then enabling the acrylic acid to be subjected to graft copolymerization with the polyester fiber through the treatment of argon plasma, and grafting the acrylic acid copolymer on the surface of the polyester fiber.
Preferably, the discharge power during the treatment of the argon plasma is 120-200W.
By adopting the technical scheme, the discharge power in the argon plasma treatment process is optimized, the grafting effect of the acrylic copolymer on the surface of the polyester fiber is enhanced, the combination effect of the magnetic fiber and the modified polyester fiber is improved, the binding force of the polyamide low-melting-point fiber to the modified polyester fiber is enhanced, and the mechanical property of the mattress material is improved.
In a second aspect, the present application provides a method for preparing a mattress material containing magnetic fibers, which adopts the following technical scheme.
A method of making a mattress material comprising magnetic fibers, comprising the steps of:
(1) Opening, mixing, carding and cross-lapping the modified polyester fibers, the polyamide low-melting-point fibers and the magnetic fibers to obtain a fiber web;
(2) The fiber web is drawn and hot rolled to obtain the mattress material containing the magnetic fibers.
By adopting the technical scheme, the method firstly prepares the modified polyester fiber, the polyamide low-melting-point fiber and the magnetic fiber into the fiber net, then drafts the fiber net, fully contacts and combines the modified polyester fiber and the magnetic fiber in the hot rolling process, and simultaneously bonds the polyamide low-melting-point fiber with the modified polyester fiber and the magnetic fiber to obtain the mattress material containing the magnetic fiber.
In summary, the present application has the following beneficial effects:
1. the magnetic fiber and the modified polyester fiber have good combination effect, and the polyamide low-melting-point fiber has good adhesiveness to the modified polyester fiber and the magnetic fiber, so that the mechanical property of the mattress material is improved, meanwhile, the special effect of the mattress material is further developed, and certain magnetic property is given to the mattress material through the introduction of magnetic particles.
2. In the step (1) of preparing the magnetic fibers, caprolactam, urea and sodium hydroxide are added into water together to prepare the modified liquid, so that the loading effect of the magnetic particles on the fiber surface of the hemp fabric is enhanced, the total amount of the magnetic particles carried by the magnetic fibers is increased, and the mechanical property of the mattress material is improved.
Detailed Description
The present application will be described in further detail with reference to examples, preparations and comparative examples, and the raw materials referred to in the present application are all commercially available.
The following is an example of preparation 1.
Preparation example 1
The preparation example provides a magnetic particle, which is prepared according to the following method:
polyacrylic acid and anhydrous ferric chloride are mixed and then dissolved in ethylene glycol, then 3-aminopropanol is added and mixed through magnetic stirring, so as to obtain raw material liquid; drying the raw material liquid by blowing at 200 ℃ for 6 hours to obtain black sol; and diluting and washing the black sol, preparing a product into aqueous dispersion, and vacuum drying the aqueous dispersion to obtain the magnetic particles. The weight average molecular weight of the polyacrylic acid is 1000, and the weight ratio of the polyacrylic acid to the anhydrous ferric chloride is 1.125:1; the ratio of the dosage of the anhydrous ferric chloride to the sum of the volumes of the ethylene glycol and the 3-aminopropanol is 2mol to 15L, and the volume ratio of the ethylene glycol to the 3-aminopropanol is 25:1.
In this preparation example, the magnetic fiber was prepared according to the following method:
(1) Dissolving urea and sodium hydroxide in water to obtain a modified solution with the mass fraction of sodium hydroxide of 7% and the mass fraction of urea of 12% for later use; mixing magnetic particles with water to obtain a magnetic particle dispersion liquid with the concentration of the magnetic particles of 5g/L for later use; (2) Soaking the hemp fabric in a modifying solution at the temperature of-12 ℃ according to the bath ratio of 1:20 for 30min, transferring the hemp fabric into a magnetic particle dispersion solution for 20min of ultrasonic treatment, and sequentially padding, coagulating bath, washing and drying after the ultrasonic treatment is finished to obtain the modified hemp fabric; the solution used in the coagulating bath is a mixed solution of sodium sulfate and sulfuric acid, and the mass fractions of the sulfuric acid and the sodium sulfate are 5%; (3) And opening and cutting the modified hemp fabric to obtain the magnetic fiber.
As shown in Table 1, the preparation examples 1 to 5 were different in that the volume ratio of ethylene glycol and 3-aminopropanol was different in the preparation method of the magnetic particles.
TABLE 1 volume ratio of ethylene glycol to 3-aminopropanol
Preparation examples 5 to 9
As shown in Table 2, preparation examples 5 to 9 were different in that the weight average molecular weight of the polyacrylic acid was different in the preparation method of the magnetic particles.
TABLE 2 weight average molecular weight of polyacrylic acids
Preparation example 10
The difference between this preparation example and preparation example 9 is that in step (1) of preparing the magnetic fiber, caprolactam, urea and sodium hydroxide are added together into water when preparing the modified liquid, and the mass fraction of caprolactam in the modified liquid is 1.2%.
As shown in Table 3, preparation examples 10 to 14 were different in that the mass fraction of caprolactam in the modified liquid (hereinafter referred to as caprolactam ratio) was different.
TABLE 3 caprolactam duty cycle
Preparation example 15 is described below as an example.
Preparation example 15
In the preparation example, the modified polyester fiber is prepared according to the following method:
cleaning and drying the polyester fiber, soaking the polyester fiber in liquid acrylic acid for 5 hours, and taking out and drying the polyester fiber for later use; and (3) carrying out surface treatment on the dried polyester fiber for 10min by using argon plasma under the conditions of 40Pa pressure and 70W discharge power to obtain the modified polyester fiber.
As shown in Table 4, preparation examples 15 to 19 were different in discharge power at the time of argon plasma treatment.
TABLE 4 discharge power
Examples 1 to 5
The following description will take example 1 as an example.
Example 1
The polyamide low-melting-point fibers used in this example had a melting point of 85℃and a specification of 4D X51 mm; the specification of the modified polyester fiber is 8.33D multiplied by 51mm; the main body length of the magnetic fiber is 20mm, and the fineness is 25 mu m.
In this example, a mattress material containing magnetic fibers was prepared according to the following steps:
(1) 50kg of the modified polyester fiber of preparation example 15, 35kg of the polyamide low-melting fiber and 15kg of the magnetic fiber of preparation example 1 were eachOpening by an opener, mixing by a full-automatic bale plucker, sucking to a carding machine for carding after mixing, and cross-lapping the carded fibers to form a fiber with the gram weight of 200g/m 2 Is a fibrous web of (a);
(2) The fiber web was subjected to 1.25 times stretching and hot rolling at 110 ℃ to obtain a mattress material containing magnetic fibers.
As shown in Table 5, examples 1-5 differ mainly in the proportions of the raw materials of the mattress materials.
Table 5 raw material ratios of mattress materials
Examples 5 to 18
The present example differs from example 1 in the preparation of magnetic fibers as shown in table 6.
Table 6 preparation examples of magnetic fibers
As shown in Table 7, examples 18 to 22 were different in that modified polyester fibers were produced in different examples.
Table 7 preparation examples of modified polyester fibers
Comparative example 1
The low-melting-point fiber used in the comparative example is polyamide low-melting-point fiber, the melting point of the polyamide low-melting-point fiber is 85 ℃, and the specification is 4D multiplied by 51mm; the specification of the polyester fiber is 8.33D multiplied by 51mm; the length of the main body of the hemp fiber is 20mm, and the fineness is 25 mu m.
The comparative example provides a mattress material prepared according to the following steps:
(1) Respectively opening 50kg of polyester fiber, 35kg of low-melting-point fiber and 15kg of hemp fiber by an opener, mixing by a full-automatic bale plucker, and sucking to a carding machine for cardingCross-lapping the carded fibers to form a cross-lapping fiber with a gram weight of 200g/m 2 Is a fibrous web of (a);
(2) The web was 1.25 times stretched and hot rolled at 110 c to obtain a mattress material.
Comparative example 2
This comparative example is different from example 1 in that the quality of the modified polyester fiber was replaced with a polyester fiber of 8.33 D.times.51 mm in specification.
Comparative example 3
This comparative example is different from example 1 in that the mass of the magnetic fiber is replaced with a hemp fiber having a main body length of 20mm and a fineness of 25 μm.
1. Mechanical properties
Reference GB/T3923.1-2013 textile fabric tensile properties part 1: determination of breaking Strength and elongation at break (bar sample method) the breaking strength of the mattress materials of each example, comparative example was measured, and the ratio between the breaking strength measured for each example, comparative example and the breaking strength measured for comparative example 1 was calculated and recorded as the relative breaking strength, and the results are shown in Table 8.
2. Magnetic properties
The saturation magnetization of the mattress material was tested using a vibrating sample magnetometer, the mattress material was cut into square samples (3 mm x 3 mm) and weighed, then the samples were glued to the vibrating rod end of the magnetometer, the sample mass was input for testing, and the saturation magnetization test results are shown in table 8.
TABLE 8 Performance test results
As can be seen by combining examples 1-5 and comparative example 1 and combining Table 8, the relative breaking strength measured in examples 1-5 is greater than that in comparative example 1, which shows that the mattress material has better mechanical properties by the synergistic combination of the modified polyester fiber, the polyamide low-melting-point fiber and the magnetic fiber, and also endows the mattress material with certain magnetic properties, and realizes the development of the special properties of the mattress material.
As can be seen from the combination of example 1 and comparative example 2 and the combination of table 8, the relative breaking strength measured in example 1 is greater than that in comparative example 2, indicating that the bonding effect between the polyester fiber and the magnetic fiber is limited and the adhesion property between the polyester fiber and the polyamide low-melting fiber is relatively poor without grafting the acrylic copolymer to the surface of the polyester fiber, thus resulting in poor mechanical properties in comparative example 2.
As can be seen from the combination of example 1 and comparative example 3 and the combination of table 8, the relative breaking strength measured in example 1 is greater than that in comparative example 3, indicating that the bonding effect between the hemp fiber and the modified polyester fiber is limited and the bonding property between the hemp fiber and the polyamide low-melting fiber is also relatively poor without modifying the hemp fiber, resulting in poor mechanical properties in comparative example 3.
It can be seen from the combination of examples 3 and examples 6 to 9 and Table 8 that when the volume ratio of ethylene glycol to 3-aminopropanol is (5-15): 1, the relative breaking strength of the mattress material is high, indicating that within this range the adhesion of the magnetic particles to the surface of the hemp fiber is relatively good.
It can be seen from the combination of examples 9, 10-13 and Table 8 that the mattress material has a relatively high breaking strength when the weight average molecular weight of the polyacrylic acid is 1400-1800, indicating that the magnetic particles have a relatively good adhesion effect on the surface of the hemp fibers in this range.
As can be seen from the combination of examples 13 and examples 14 to 18 and the combination of Table 8, the relative breaking strengths of examples 14 to 18 are greater than that of example 13, which indicates that caprolactam can enhance the dissolution effect of the modifying liquid on cellulose, so that the magnetic particles are more easily combined with cellulose dissolved on the surface of the hemp fabric, the loading effect of the magnetic particles on the fiber surface of the hemp fabric is enhanced, the total amount of the magnetic particles carried by the magnetic fibers is increased, and the mechanical property of the mattress material is further improved.
As can be seen from the combination of examples 18, 19-22 and Table 8, when the discharge power in the treatment process of the argon plasma is 120-200W, the acrylic copolymer is thoroughly grafted on the surface of the polyester fiber, so that the combination effect between the modified polyester fiber and the magnetic fiber is improved, the binding force of the polyamide low-melting-point fiber to the modified polyester fiber is enhanced, and the mechanical property of the mattress material is improved.
The present embodiment is merely illustrative of the present application and is not intended to be limiting, and those skilled in the art, after having read the present specification, may make modifications to the present embodiment without creative contribution as required, but is protected by patent laws within the scope of the claims of the present application.
Claims (7)
1. A mattress material containing magnetic fibers, which is characterized by comprising the following components in parts by weight: 50-58 parts of modified polyester fiber, 35-39 parts of polyamide low-melting fiber and 15-17 parts of magnetic fiber, wherein the modified polyester fiber is polyester fiber with an acrylic copolymer grafted on the surface, the magnetic fiber is hemp fiber with magnetic particles loaded on the surface, and the magnetic particles are nano ferroferric oxide with polyacrylic acid coated on the surface;
the magnetic particles are prepared according to the following method:
mixing polyacrylic acid and ferric chloride, dissolving in ethylene glycol, adding 3-aminopropanol, and stirring and mixing to obtain raw material liquid; carrying out forced air drying on the raw material liquid at 200+/-2 ℃ to obtain black sol; diluting and washing the black sol, preparing a product into aqueous dispersion, and vacuum drying the aqueous dispersion to obtain magnetic particles;
the magnetic fiber is prepared according to the following method:
(1) Dissolving urea and sodium hydroxide in water to obtain a modified liquid for later use; mixing magnetic particles with water to obtain a magnetic particle dispersion liquid for standby;
(2) Soaking the hemp fabric by using a modifying liquid, transferring the hemp fabric into a magnetic particle dispersion liquid for ultrasonic treatment, and sequentially performing padding, coagulating bath, washing and drying after the ultrasonic treatment is finished to obtain the modified hemp fabric;
(3) Opening and cutting the modified hemp fabric to obtain magnetic fibers;
the modified polyester fiber is prepared according to the following method:
cleaning and drying polyester fibers, soaking the polyester fibers in liquid acrylic acid, and taking out and drying the polyester fibers for later use; and (3) carrying out surface treatment on the dried polyester fiber by using argon plasma under the condition of 70-200W of discharge power to obtain the modified polyester fiber.
2. The magnetic fiber containing mattress material according to claim 1, wherein the volume ratio of ethylene glycol to 3-aminopropanol is (5-15): 1.
3. The magnetic fiber containing mattress material of claim 1, wherein the weight average molecular weight of the polyacrylic acid is 1400-1800.
4. The magnetic fiber-containing mattress material according to claim 1, wherein caprolactam is added to water together with urea and sodium hydroxide at the time of preparing the modifying liquid in the step (1) of preparing the magnetic fibers.
5. The magnetic fiber-containing mattress material according to claim 4, wherein the mass fraction of caprolactam in the modifying liquid is 2.0-2.8%.
6. The magnetic fiber containing mattress material of claim 1, wherein the discharge power during the treatment of the argon plasma is 120-200W.
7. A method of producing a mattress material containing magnetic fibres according to any one of claims 1 to 6, comprising the steps of:
(1) Opening, mixing, carding and cross-lapping the modified polyester fibers, the polyamide low-melting-point fibers and the magnetic fibers to obtain a fiber web;
(2) The fiber web is drawn and hot rolled to obtain the mattress material containing the magnetic fibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311481844.8A CN117211011B (en) | 2023-11-09 | 2023-11-09 | Mattress material containing magnetic fibers and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311481844.8A CN117211011B (en) | 2023-11-09 | 2023-11-09 | Mattress material containing magnetic fibers and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN117211011A CN117211011A (en) | 2023-12-12 |
| CN117211011B true CN117211011B (en) | 2024-02-06 |
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