CN111041825A - Preparation process of antibacterial polyester carpet - Google Patents
Preparation process of antibacterial polyester carpet Download PDFInfo
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- CN111041825A CN111041825A CN201911370406.8A CN201911370406A CN111041825A CN 111041825 A CN111041825 A CN 111041825A CN 201911370406 A CN201911370406 A CN 201911370406A CN 111041825 A CN111041825 A CN 111041825A
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Abstract
The invention relates to the technical field of carpets, and discloses a preparation process of an antibacterial polyester carpet, which comprises the following steps of: s1: pre-treating; s2: dyeing; s3: primary water washing; s4: antibacterial soaking; the grey cloth after being washed by the water of S3 is placed into a soaking pool for soaking, an antibacterial agent is added into the soaking pool, and the antibacterial agent comprises the following raw materials in parts by weight: 24-43 parts of iminoctadine acetate, 36-64 parts of dimethyloctadecyl [3- (trimethoxysilyl) propyl ] ammonium chloride, 2-8 parts of ammonium lauroyl sarcosinate, 12-17 parts of arachidonic acid and 30-65 parts of sodium dodecyl benzene sulfonate; s5: washing with water for the second time; s6: style processing; s7: shaping; and (5) shaping by S7 to obtain the antibacterial carpet. The polyester grey cloth for producing the carpet is soaked in the antibacterial liquid, so that the polyester grey cloth has an antibacterial function, and the antibacterial carpet can be finally prepared.
Description
Technical Field
The invention relates to the technical field of carpets, in particular to a preparation process of an antibacterial polyester carpet.
Background
The carpet is a ground paving material made up by using natural fibre or chemical synthetic fibre raw material of cotton, hemp, wool, silk and grass through the processes of manual or mechanical weaving, tufting and weaving. It is one of the traditional arts with a long history worldwide. It can be used for floor of residence, hotel, gymnasium, exhibition hall, vehicle, ship, airplane, etc. to reduce noise, insulate heat and decorate. The carpet has good elasticity, dirt resistance, treading resistance, fading resistance and no deformation. Especially, it has the capacity of storing dust, and when the dust falls to the carpet, the dust does not fly upwards any more, so that it can purify indoor air and beautify indoor environment. The carpet has the characteristics of soft texture, comfortable foot feeling and safe use.
The carpet can be classified into chemical fiber carpet, wool carpet, hemp carpet and other varieties; although the carpet has different materials and styles, the carpet has good functions of sound absorption, sound insulation and moisture resistance. After the carpet is laid on the family of the residential building, the noise interference of upstairs and downstairs can be reduced. The carpet also has the functions of cold resistance and heat preservation, and is particularly suitable for rooms of patients with rheumatism.
The polyester fiber is the fiber with the highest yield among synthetic fibers and also the fiber with the best light resistance. The initial modulus of the polyester fiber is the highest in common fibers, the modulus is a representation of rigidity, and the higher the modulus is, the stronger the rigidity is. For terylene, the terylene has high modulus and is not easy to deform under external force; the deformation is easy to recover, so that the setting property, the thermal stability and the lodging resistance of the terylene are good; the anti-fouling performance is better than that of chinlon, and the wear resistance is better than that of polypropylene; excellent light resistance, and is obviously superior to chinlon and polypropylene fiber. The latter two fibers have reduced or even completely lost intensity under prolonged sunlight or ultraviolet light exposure.
For example, application publication No. CN106859250A discloses a process for producing a carpet, comprising the following steps: A. cutting; B. preparing a composite anti-skid bottom mat; C. shaping; D. printing; E. fixing color and increasing color; F. stacking; thereby producing a carpet. In the step A, the shape and the size of the carpet are designed on a computer and input into an internal program of an automatic conveying laser cutting machine, then the original cloth is fed into the automatic conveying laser cutting machine, and the automatic conveying laser cutting machine is started to cut. Wherein, the original cloth is made of terylene material. By the process, the terylene can be prepared into the carpet made of the terylene material.
When a carpet is laid in a room, an adult often takes off shoes from the carpet, and a child often plays with the carpet, so that it is required to provide a carpet having an antibacterial function in consideration of physical health of the adult as well as the child.
Disclosure of Invention
The invention aims to provide a preparation process of an antibacterial polyester carpet, which is characterized in that polyester grey cloth is conveyed into an antibacterial liquid for soaking, and biguanide octoate and dimethyl octadecyl [3- (trimethoxy silicon-based) propyl ] ammonium chloride are added into the antibacterial liquid, so that the polyester grey cloth has antibacterial performance, and simultaneously, a carpet prepared by using the grey cloth with antibacterial function subsequently also has antibacterial function.
The technical purpose of the invention is realized by the following technical scheme:
a preparation process of an antibacterial polyester carpet comprises the following steps of:
s1: pre-treating;
s2: dyeing;
s3: primary water washing;
s4: antibacterial soaking; the grey cloth after being washed by the water of S3 is placed into a soaking pool for soaking, an antibacterial agent is added into the soaking pool, and the antibacterial agent comprises the following raw materials in parts by weight: 24-43 parts of iminoctadine acetate, 36-64 parts of dimethyloctadecyl [3- (trimethoxysilyl) propyl ] ammonium chloride, 2-8 parts of ammonium lauroyl sarcosinate, 12-17 parts of arachidonic acid and 30-65 parts of sodium dodecyl benzene sulfonate;
s5: washing with water for the second time;
s6: style processing;
s7: packaging;
and (5) shaping by S7 to obtain the antibacterial carpet.
By adopting the technical scheme, the biguanide octoate can be adsorbed on the bacterial cell membrane with negative electricity and can perform ion exchange with calcium ions and magnesium ions in the cell membrane, so that the charge balance of the cell membrane can be damaged, the biological activity of phospholipid and the structure of the cell membrane can be damaged, and bacteria can be killed finally. The dimethyl octadecyl [3- (trimethoxy silicon base) propyl ] ammonium chloride belongs to an organic silicon quaternary ammonium salt antibacterial mildew preventive, has broad-spectrum antibacterial and bactericidal effects, and has strong inhibiting and killing effects on various bacteria, so that the terylene grey cloth has strong antibacterial effect. The ammonium lauroyl sarcosinate is an anionic surfactant, and can effectively reduce the surface tension of the polyester grey cloth, so that the binding force between the biguanide capryloacetate and the polyester grey cloth is stronger, and the firmness of the biguanide capryloacetate on the surface of the polyester grey cloth is enhanced. Arachidonic acid and sodium dodecyl benzene sulfonate are combined with each other to form an emulsifier, so that dimethyl octadecyl [3- (trimethoxysilyl) propyl ] ammonium chloride, biguanide caprylic acetate and water can form a more uniform and stable liquid system.
As a further improvement of the invention, the raw materials of the antibacterial agent in the S4 antibacterial soaking also comprise 7-16 parts by weight of sodium carboxymethyl hydroxyethyl cellulose and 3-9 parts by weight of hydrolyzed collagen benzyl trimethyl ammonium.
By adopting the technical scheme, the carboxymethyl hydroxyethyl cellulose sodium is added into the antibacterial liquid, so that biguanide octoate and dimethyloctadecyl [3- (trimethoxysilyl) propyl ] ammonium chloride can be more uniformly dispersed in water, the contact surface between the biguanide octoate and dimethyloctadecyl [3- (trimethoxysilyl) propyl ] ammonium chloride and the terylene grey cloth is larger, and finally, the biguanide octoate and dimethyloctadecyl [3- (trimethoxysilyl) propyl ] ammonium chloride can be more attached to the terylene grey cloth. The hydrolyzed collagen benzyl trimethyl ammonium can interact with dimethyl octadecyl [3- (trimethoxy silicon group) propyl ] ammonium chloride to promote the biguanide octonate and the dimethyl octadecyl [3- (trimethoxy silicon group) propyl ] ammonium chloride to diffuse towards the interior of the terylene grey fabric fiber, so that the biguanide octonate and the dimethyl octadecyl [3- (trimethoxy silicon group) propyl ] ammonium chloride in the grey fabric can penetrate deeper, and the bonding fastness of the biguanide octonate and the dimethyl octadecyl [3- (trimethoxy silicon group) propyl ] ammonium chloride and the terylene grey fabric is higher.
As a further improvement of the invention, the raw material of the antibacterial agent in the S4 antibacterial soaking also comprises 23-42 parts by weight of N, N-diethyl-m-toluamide.
By adopting the technical scheme, the N, N-diethyl-m-toluamide can interact with the hydrolyzed collagen benzyl trimethyl ammonium, so that the terylene grey cloth has the effect of resisting the mites, and the mite maggots are prevented from being propagated and survived on the finally prepared carpet.
As a further improvement of the invention, the raw materials of the antibacterial agent in the S4 antibacterial soaking also comprise 1-3 parts by weight of hydrotalcite, 1-2 parts by weight of diatomite and 3-10 parts by weight of aluminum benzoate.
By adopting the technical scheme, hydrotalcite is added into the antibacterial agent, and the flame retardance of the polyester grey cloth is improved after the hydrotalcite is attached to the polyester grey cloth. By adding the aluminum benzoate, bacteria bred by the terylene grey cloth are not easy to rot. The hydrotalcite, the diatomite and the aluminum benzoate interact with each other, so that the biguanide octoate and the dimethyloctadecyl [3- (trimethoxysilyl) propyl ] ammonium chloride can be prevented from falling off from the terylene grey cloth, the biguanide octoate and the dimethyloctadecyl [3- (trimethoxysilyl) propyl ] ammonium chloride can have an antibacterial effect for a long time, and the service life of the terylene carpet is prolonged.
In a further improvement of the present invention, the dyeing of S2 is carried out by dyeing the grey cloth pretreated by S1, wherein the dyeing uses raw materials in parts by weight: 20-37 parts of disperse dye, 13-28 parts of behenyl trimethyl ammonium chloride, 78-15 parts of dispersant MF10, 20-43 parts of triglyceride of isoalkanoic acid and 13-34 parts of polyoxypropylene ether.
By adopting the technical scheme, the terylene fabric has the advantages of orderly molecular arrangement, high crystallinity and small intermolecular gap, so that the terylene fabric is usually dyed by using disperse dyes. The behenyl trimethyl ammonium chloride can promote the disperse dye to permeate and diffuse into the terylene grey fabric more quickly, and can enable the grey fabric to be dyed thoroughly. The isoalkanoic acid triglyceride and the polyoxypropylene ether form an emulsifier, so that the surface tension of the dye solution can be reduced, and the disperse dye can be more easily dyed on the terylene grey cloth fiber.
As a further improvement of the invention, the raw materials of the dye also comprise 25 to 37 parts by weight of polyoxyethylene cetyl stearyl diether.
By adopting the technical scheme, the polyoxyethylene cetyl stearyl diether and the isoalkanoic acid triglyceride are mutually combined, so that a high-temperature leveling agent can be formed, the disperse dye can be uniformly dyed on the polyester grey cloth, and the dye dyed on the polyester cloth can be prevented from migrating.
As a further improvement of the invention, the S4 antibacterial soaking step comprises the following steps:
(1) firstly, simultaneously adding biguanide octoxymate, dimethyl octadecyl [3- (trimethoxysilyl) propyl ] ammonium chloride, lauroyl sarcosine ammonium, arachidonic acid, N-diethyl-m-toluamide and sodium dodecyl benzene sulfonate into a soaking pool, adding part of carboxymethyl hydroxyethyl cellulose sodium, then adding water, wherein the mass ratio of the addition amount of the water to the antibacterial agent is 100:20, and then heating the antibacterial liquid to 45 ℃;
(2) conveying the grey cloth processed by the S3 into the soaking pool in the step (1) for soaking for 15 min; then taking out the grey cloth;
(3) then adding the rest of the sodium carboxymethyl hydroxyethyl cellulose and the hydrolyzed collagen benzyltrimethylammonium into the soaking pool in the step (2) at the same time, and raising the temperature of the liquid in the soaking pool to 60 ℃;
(4) conveying the grey cloth processed in the step (2) to a soaking pool in the step (3) to soak for 20 min;
(5) adding all the hydrotalcite, the diatomite and the aluminum benzoate into the soaking pool treated in the step (4), and soaking for 10min again; and finishing the step of antibacterial soaking.
By adopting the technical scheme, the biguanide caprylic acetate, the dimethyl octadecyl [3- (trimethoxysilyl) propyl ] ammonium chloride, the lauroyl sarcosine ammonium, the arachidonic acid, the N, N-diethyl-m-toluamide and the sodium dodecyl benzene sulfonate are simultaneously added into the soaking tank, then water is added, the temperature is raised to 45 ℃, the antibacterial solution can be dispersed more uniformly, the dissolving assisting effect is realized, the contact surface between the grey cloth and the antibacterial solution is larger, and the amount of the antibacterial solution penetrating into the grey cloth is increased. Soaking for 10min to increase gaps between fiber molecules of the terylene grey cloth, adding sodium carboxymethyl hydroxyethyl cellulose and hydrolyzed collagen benzyl trimethyl ammonium into the antibacterial solution, and the temperature of the antibacterial liquid is raised to 60 ℃ so as to activate the sodium carboxymethyl hydroxyethyl cellulose and the hydrolyzed collagen benzyltrimethylammonium, then the grey cloth is conveyed into the soaking pool again, the hydrolyzed collagen benzyl trimethyl ammonium can interact with dimethyl octadecyl [3- (trimethoxysilyl) propyl ] ammonium chloride on the grey cloth, so that the biguanide octoxymate and the dimethyl octadecyl [3- (trimethoxy silicon group) propyl ] ammonium chloride can diffuse towards the interior of the terylene grey cloth fiber, thereby enabling the biguanide octoxymate and the dimethyl octadecyl [3- (trimethoxysilyl) propyl ] ammonium chloride in the grey cloth to penetrate deeper.
Due to the addition of the sodium carboxymethyl hydroxyethyl cellulose and the hydrolyzed collagen benzyl trimethyl ammonium, the grey cloth is soaked for a period of time, so that part of the antibacterial agent is attached to the fibers of the grey cloth, then the antibacterial liquid is raised to 60 ℃, so that the molecules of the polyester fibers and the antibacterial substance attached to the grey cloth are activated, the iminoctadine hydrochloride and the dimethyloctadecyl [3- (trimethoxysilyl) propyl ] ammonium chloride can diffuse towards the interior of the fibers of the polyester grey cloth, and finally, the antibacterial substance is contained on the polyester cloth from inside to outside, so that the time of the antibacterial substance on the polyester cloth is prolonged.
And then, adding all the hydrotalcite, the diatomite and the aluminum benzoate into the soaking pool, and continuously soaking for 10min, so that the three substances added finally can be combined with each other, and finally, the biguanide octoate and the dimethyloctadecyl [3- (trimethoxysilyl) propyl ] ammonium chloride can be firmly combined in the polyester grey cloth, so that the service life of the finally prepared polyester carpet with antibacterial property can be prolonged.
As a further improvement of the invention, after the secondary water washing treatment of S5, the grey cloth is conveyed into a softening agent for soaking, and then the grey cloth is conveyed into a setting machine for setting treatment.
By adopting the technical scheme, the polyester fabric is soaked by using the softening agent, so that the polyester fabric is softer in hand feeling.
In conclusion, the invention has the advantages and beneficial effects that:
1. the polyester grey cloth is conveyed to the antibacterial liquid for soaking, so that the polyester grey cloth has antibacterial performance, and finally, the carpet prepared from the antibacterial polyester grey cloth has antibacterial performance;
2. by adding the sodium carboxymethyl hydroxyethyl cellulose into the antibacterial liquid, the biguanide octoate and the dimethyloctadecyl [3- (trimethoxysilyl) propyl ] ammonium chloride can be promoted to be uniformly dispersed in water, so that the contact surface between the biguanide octoate and the dimethyloctadecyl [3- (trimethoxysilyl) propyl ] ammonium chloride and the terylene grey cloth is larger, and the biguanide octoate and the dimethyloctadecyl [3- (trimethoxysilyl) propyl ] ammonium chloride can be attached to the terylene grey cloth more finally;
3. the hydrolyzed collagen benzyl trimethyl ammonium can interact with dimethyl octadecyl [3- (trimethoxy silicon group) propyl ] ammonium chloride to promote the biguanide octoate and the dimethyl octadecyl [3- (trimethoxy silicon group) propyl ] ammonium chloride to diffuse towards the interior of the terylene grey fabric fiber, so that the biguanide octoate and the dimethyl octadecyl [3- (trimethoxy silicon group) propyl ] ammonium chloride in the grey fabric can penetrate deeper, and the bonding fastness of the biguanide octoate and the dimethyl octadecyl [3- (trimethoxy silicon group) propyl ] ammonium chloride and the terylene grey fabric is higher;
4. the N, N-diethyl-m-toluamide can interact with the hydrolyzed collagen benzyl trimethyl ammonium, so that the terylene grey cloth has the effect of resisting the mites, and the mite maggots are prevented from being propagated and living on the finally prepared carpet.
Drawings
FIG. 1 is a process flow diagram of a preparation process of the antibacterial polyester carpet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1:
referring to fig. 1, a preparation process of an antibacterial polyester carpet, which comprises the following steps of:
s1: and (4) pretreatment. The polyester grey cloth is conveyed into a heat setting machine, the temperature in the heat setting machine is adjusted to 160 ℃ for 50s, and then the grey cloth is cooled to room temperature. And conveying the terylene grey cloth into an alkali weight reducing machine for alkali weight reduction treatment, wherein the concentration of alkali liquor in the alkali weight reducing machine is 15g/L, and the weight reduction rate is controlled to be 5%. After the alkali weight reduction is finished, the grey cloth is washed and neutralized by water. And (3) placing the grey cloth in a washing tank, and repeatedly washing the grey cloth by using an acetic acid solution to enable the pH value of the surface of the grey cloth to be neutral. Then rinsing with clear water for 15 min.
S2: and (6) dyeing. The greige goods after the treatment of S1 is transferred to a dye vat for dyeing. The raw materials of the dye comprise 29 parts of disperse dye, 21 parts of behenyl trimethyl ammonium chloride, 13 parts of dispersant MF, 32 parts of triglyceride of isoalkanoic acid, 24 parts of polyoxypropylene ether and 31 parts of polyoxyethylene cetyl stearyl diether in parts by weight. Disperse red 82 is selected as the disperse dye. Adding warm water of 50 ℃ into a double-helix mixer, adding all raw materials of the dye into a dye vat in a non-sequential manner, continuously stirring for 15min, and then continuously adding water, wherein the dye liquor bath ratio is controlled to be 1: 60.
The dye liquor prepared in the double helix mixer is then conveyed to a dye vat, the temperature of the dye liquor is raised to 60 ℃, and then the grey cloth processed by S1 is conveyed to the dye vat containing the dye liquor for dip dyeing for 30 min. Then raising the temperature of the dye liquor to 120 ℃, controlling the temperature raising speed to be 2 ℃/min, and keeping the temperature for 1 h; then the temperature of the dye liquor in the dye vat is reduced to 40 ℃, and the cooling speed is 1.2 ℃/min.
S3: and (5) primary water washing. And conveying the grey cloth treated by the S2 to a water washing pool, and continuously washing for 20min by using clean water.
S4: and (5) antibacterial soaking. The raw materials of the antibacterial agent comprise, by weight, 34 parts of iminoctadine, 50 parts of dimethyloctadecyl [3- (trimethoxysilyl) propyl ] ammonium chloride, 5 parts of ammonium lauroyl sarcosinate, 15 parts of arachidonic acid, 48 parts of sodium dodecyl benzene sulfonate, 12 parts of sodium carboxymethyl hydroxyethyl cellulose, 6 parts of hydrolyzed collagen benzyl trimethyl ammonium, 33 parts of N, N-diethyl-m-toluamide, 2 parts of hydrotalcite, 2 parts of diatomite and 7 parts of aluminum benzoate.
The method comprises the following steps:
(1) biguanide octanoate, dimethyl octadecyl [3- (trimethoxysilyl) propyl ] ammonium chloride, lauroyl sarcosine ammonium, arachidonic acid, N-diethyl-m-toluamide and sodium dodecyl benzene sulfonate are added into a soaking pool at the same time according to the weight parts defined in the embodiment, part of carboxymethyl hydroxyethyl cellulose sodium is added, then water is added, the mass ratio of the added amount of the water to the total mass of the antibacterial agent is 100:20, and then the antibacterial solution is heated to 45 ℃. Wherein the addition amount of the carboxymethyl hydroxyethyl cellulose sodium is 5 parts.
(2) Conveying the grey cloth processed by the S3 into the soaking pool in the step (1) for soaking for 15 min; the blank is then removed.
(3) Then the remaining sodium carboxymethyl hydroxyethyl cellulose and the hydrolyzed collagen benzyltrimethylammonium were added simultaneously to the soaking tank of step (2) and the temperature of the liquid in the soaking tank was raised to 60 ℃. In the step, the addition amount of the sodium carboxymethyl hydroxyethyl cellulose is 7 parts.
(4) And (3) conveying the grey cloth processed in the step (2) to a soaking pool in the step (3) for soaking for 20 min.
(5) Adding the hydrotalcite, the diatomite and the aluminum benzoate into the soaking pool treated in the step (4) according to the weight parts defined in the embodiment, and soaking for 10min again; and finishing the step of antibacterial soaking.
S5: and (5) washing for the second time. And conveying the grey cloth processed by the S4 to a washing machine, and continuously washing for 20min by using clean water. And then conveying the grey cloth into a setting machine to be soaked by a softening agent before the grey cloth is subjected to setting treatment, wherein the softening agent is hydrophilic silicone oil.
S6: and (5) style processing. The greige cloth after the S5 treatment is then napped and fluffed. And after fluffing, cutting, sewing and trimming to finally obtain the carpet.
S7: and (6) packaging. And finally, packaging the carpet.
And packaging by S7 to obtain the antibacterial carpet.
Examples 2-5 differ from example 1 in that the raw materials of the dye in the dyeing of S2 are shown in table 1 in parts by weight: unit: portions are
TABLE 1
Examples 6 to 9 are different from example 1 in that the raw materials of the dye in the dyeing of S2 are shown in Table 2 in parts by weight; unit: portions are
TABLE 2
Examples 10 to 13 are different from example 1 in that the raw materials of the antibacterial agent in the S4 antibacterial soaking are shown in table 3 in parts by weight; unit: portions are
TABLE 3
Examples 14 to 17 are different from example 1 in that the raw materials of the antibacterial agent in the S4 antibacterial soaking are shown in table 4 in parts by weight; unit: portions are
TABLE 4
Examples 18 to 21 are different from example 1 in that the raw materials of the antibacterial agent in the S4 antibacterial soaking are shown in table 5 in parts by weight; unit: portions are
TABLE 5
Examples 22 to 25 are different from example 1 in that the raw materials of the antibacterial agent in the S4 antibacterial soaking are shown in table 6 in parts by weight; unit: portions are
TABLE 6
Comparative example 1: the difference from example 1 is that there is no S4 antimicrobial soak in the carpet making process.
Comparative example 2: the difference from example 1 is that the raw materials of the antibacterial agent in the S4 antibacterial soaking include 34 parts by weight of iminoctadine octanate and 50 parts by weight of dimethyloctadecyl [3- (trimethoxysilyl) propyl ] ammonium chloride.
Comparative example 3: the difference from example 1 is that the S4 antibacterial soaking comprises the steps of adding all the raw materials of the antibacterial agent into the soaking bath, and then adding water into the soaking bath, wherein the mass ratio of the added amount of water to the total mass ratio of the antibacterial agent is 100: 20.
Comparative example 4: the difference from example 1 is that the temperature of the liquid in the steeping cistern in step (3) in the S4 antibacterial steeping was continuously maintained to 45 ℃.
Test one: the antimicrobial performance of the carpet was tested as follows:
1. and E, escherichia coli colony culture:
(1) and strain: e.coli;
(2) and preparing a culture medium: 0.3g of beef extract, 1.0g of peptone, 0.5g of sodium chloride, 1.8g of agar and 100mL of distilled water;
(3) adjusting the pH value to 7.5;
(4) transferring the diluted escherichia coli to a culture medium in a sterile environment, and then putting the culture medium into a constant temperature box with the temperature adjusted to 37 ℃ for culturing for 24 hours to prepare an escherichia coli culture medium;
(5) selecting bacterial colonies which have good growth state and obvious characteristics for later use; the same E.coli strain was prepared in 30 parts.
2. And (3) culturing staphylococcus aureus colonies:
(1) and strain: staphylococcus aureus bacteria;
(2) and preparing a culture medium: 0.4g of beef extract, 1.0g of malt extract, 0.5g of glucose, 1.8g of agar and 100mL of distilled water;
(3) adjusting the pH value to 7.3;
(4) transferring the diluted staphylococcus to a culture medium in a sterile environment, and then putting the culture medium into a constant temperature box with the temperature adjusted to 37 ℃ for culturing for 24 hours to prepare a culture medium of the staphylococcus aureus;
(5) selecting bacterial colonies which have good growth state and obvious characteristics for later use; and preparing the culture medium of the staphylococcus aureus.
The face fabric of the carpet prepared in examples 1, 8, 16, 20, 24 and comparative examples 1 to 4 at random positions was cut into 1 cm-diameter master pieces, and then placed on the culture medium of escherichia coli and staphylococcus aureus, and then 60 parts of the culture medium was put into an incubator for 24 hours, the temperature of the incubator was maintained at 37 ℃, 60 parts of the culture medium was taken out, and then 60 parts of the culture medium was observed using a microscope, counted for the number of bacteria, and the statistical results were recorded in table 7.
And (2) test II: and testing the fastness of the carpet antibacterial agent.
The carpets prepared in examples 1, 8, 16, 20, 24 and comparative examples 1 to 4 were subjected to the following operations:
a. firstly, wearing is carried out, and the fabric is fixed on the bottom of an AATCC (architecture analysis and control center) friction color fastness tester by using a clamping device of the AATCC friction color fastness tester, so that the length direction of the carpet is consistent with the stroke direction of the tester. The carpets prepared from examples 1, 8, 16, 20, 24 and comparative examples 1 to 4 were then fixed to the rubbing head of a crockmeter, with the warp direction of the face fabric at an angle of 45 ° to the running direction of the rubbing head; reciprocating at the speed of 1s/mm back and forth in the length direction of the fabric, wherein the reciprocating stroke is 100mm, and the vertical pressure is 9N.
b. The carpet after treatment a was again tested for antimicrobial performance using test one and the statistical results are reported in table 7.
TABLE 7
And (3) test III: duration of carpet antimicrobial resistance test:
the carpets prepared in examples 1, 8, 16, 20, 24 and comparative examples 1 to 4 were placed indoors and kept at room temperature for 1 year, 3 years and 5 years, and the tests for the antibacterial performance were performed for the carpets at the three periods using test one, respectively, and the statistical results were recorded in table 8.
TABLE 8
As can be seen from the above tests, the carpet prepared by the preparation process described in example 1 has antibacterial properties for a long period of time, and the antibacterial properties are strongest with abrasion resistance.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. A preparation process of an antibacterial polyester carpet is characterized by comprising the following steps: the method comprises the following steps of:
s1: pre-treating;
s2: dyeing;
s3: primary water washing;
s4: antibacterial soaking; the grey cloth after being washed by the water of S3 is placed into a soaking pool for soaking, an antibacterial agent is added into the soaking pool, and the antibacterial agent comprises the following raw materials in parts by weight: 24-43 parts of iminoctadine acetate, 36-64 parts of dimethyloctadecyl [3- (trimethoxysilyl) propyl ] ammonium chloride, 2-8 parts of ammonium lauroyl sarcosinate, 12-17 parts of arachidonic acid and 30-65 parts of sodium dodecyl benzene sulfonate;
s5: washing with water for the second time;
s6: style processing;
s7: packaging;
and packaging by S7 to obtain the antibacterial carpet.
2. The preparation process of the antibacterial polyester carpet as claimed in claim 1, which is characterized in that: the raw materials of the antibacterial agent in the S4 antibacterial soaking also comprise 7-16 parts by weight of sodium carboxymethyl hydroxyethyl cellulose and 3-9 parts by weight of hydrolyzed collagen benzyl trimethyl ammonium.
3. The preparation process of the antibacterial polyester carpet as claimed in claim 2, characterized in that: the raw material of the antibacterial agent in the S4 antibacterial soaking also comprises 23-42 parts by weight of N, N-diethyl-m-toluamide.
4. The preparation process of the antibacterial polyester carpet as claimed in claim 3, characterized in that: the raw materials of the antibacterial agent in the S4 antibacterial soaking also comprise 1-3 parts by weight of hydrotalcite, 1-2 parts by weight of diatomite and 3-10 parts by weight of aluminum benzoate.
5. The preparation process of the antibacterial polyester carpet as claimed in claim 1, which is characterized in that: the S2 dyeing is to dye the grey cloth pretreated by the S1, and the raw materials of the dye used in the dyeing comprise the following components in parts by weight: 20-37 parts of disperse dye, 13-28 parts of behenyl trimethyl ammonium chloride, 78-15 parts of dispersant MF10, 20-43 parts of triglyceride of isoalkanoic acid and 13-34 parts of polyoxypropylene ether.
6. The preparation process of the antibacterial polyester carpet as claimed in claim 5, characterized in that: the raw material of the dye also comprises 25-37 parts by weight of polyoxyethylene cetyl stearyl diether.
7. The preparation process of the antibacterial polyester carpet as claimed in claim 4, characterized in that: the S4 antibacterial soaking method comprises the following steps:
(1) firstly, simultaneously adding biguanide octoxymate, dimethyl octadecyl [3- (trimethoxysilyl) propyl ] ammonium chloride, lauroyl sarcosine ammonium, arachidonic acid, N-diethyl-m-toluamide and sodium dodecyl benzene sulfonate into a soaking pool, adding part of carboxymethyl hydroxyethyl cellulose sodium, then adding water, wherein the mass ratio of the addition amount of the water to the antibacterial agent is 100:20, and then heating the antibacterial liquid to 45 ℃;
(2) conveying the grey cloth processed by the S3 into the soaking pool in the step (1) for soaking for 15 min; then taking out the grey cloth;
(3) then adding the rest of the sodium carboxymethyl hydroxyethyl cellulose and the hydrolyzed collagen benzyltrimethylammonium into the soaking pool in the step (2) at the same time, and raising the temperature of the liquid in the soaking pool to 60 ℃;
(4) conveying the grey cloth processed in the step (2) to a soaking pool in the step (3) to soak for 20 min;
(5) adding all the hydrotalcite, the diatomite and the aluminum benzoate into the soaking pool treated in the step (4), and soaking for 10min again; and finishing the step of antibacterial soaking.
8. The preparation process of the antibacterial polyester carpet as claimed in claim 1, which is characterized in that: and S5, after the secondary water washing treatment, conveying the grey cloth into a softening agent for soaking, and then conveying the grey cloth into a setting machine for setting treatment.
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