CN109914121A - A kind of production method of the ventilative baby children's underwear of moisture absorption - Google Patents
A kind of production method of the ventilative baby children's underwear of moisture absorption Download PDFInfo
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- CN109914121A CN109914121A CN201711315382.7A CN201711315382A CN109914121A CN 109914121 A CN109914121 A CN 109914121A CN 201711315382 A CN201711315382 A CN 201711315382A CN 109914121 A CN109914121 A CN 109914121A
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Abstract
The present invention relates to textile fabrics technical fields, the production method of the ventilative baby children's underwear of in particular a kind of moisture absorption, allow fabric 38-42 DEG C at a temperature of, PH is handled in the hydrophilic finishing agent between 5-5.5, it is gradually warming up to 80 DEG C and the disperse dyes of silicone oil formula is added, it is kept for 10 minutes in this temperature, hydrophilic cotton fibers is made；Allow fabric at 38-42 DEG C again, PH is handled in the hydrophilic finishing agent between 5-5.5, is gradually warming up to 80 DEG C and the disperse dyes of silicone oil formula are added, and is kept for 10 minutes in this temperature；After hydrophilic cotton fibers and hydrophobic cotton fiber are washed, in 150 DEG C of -170 DEG C of drying；By after drying hydrophilic cotton fibers and hydrophobic cotton fiber be placed on air permeation volume gauge, measure rate of the gas by sample；The cotton fiber of two kinds of functions and activated carbon fibre are subjected to blending product in the ratio of 1-2.5:1-3:1, weaving makes cloth hygroscopicity, gas permeability and flexibility reach optimum balance at absorbing fast-drying pure-cotton fabric, the cloth of selection by the processing of hydrophilic and hydrophobicity.
Description
Technical field
The present invention relates to textile fabrics technical field, the production method of the ventilative baby children's underwear of specially a kind of moisture absorption.
Background technique
Cotton clothing on the market, moisture absorption is without perspiring, and sweat adheres on the skin, and fever easy to catch cold, adjoint is wet
The probability of rash and heat rash also greatly improves.And chemical fibre clothes is then bright in luster, it is airtight, and have to the skin of baby certain
Irritation.Especially for the infant of allergic constitution, it is easier to cause allergy, in consideration of it, it is proposed that a kind of moisture absorption is ventilative
The production method of baby children's underwear.
Summary of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of life of ventilative baby children's underwear of moisture absorption is provided
Production method.
To achieve the above object, the invention provides the following technical scheme: the following steps are included:
Step 1: allow fabric 38-42 DEG C at a temperature of, PH is handled in the hydrophilic finishing agent between 5-5.5, is gradually risen
Temperature is to 80 DEG C and the disperse dyes of silicone oil formula are added, and is kept for 10 minutes in this temperature, hydrophilic cotton fibers are made；
Step 2: allow again fabric 38-42 DEG C at a temperature of, PH is handled in the hydrophilic finishing agent between 5-5.5, gradually
It is warming up to 80 DEG C and the disperse dyes of silicone oil formula is added, kept for 10 minutes in this temperature, hydrophobic cotton fiber is made；
Step 3: after hydrophilic cotton fibers and hydrophobic cotton fiber are washed, in 150 DEG C of -170 DEG C of drying；
Step 4: by after drying hydrophilic cotton fibers and hydrophobic cotton fiber be placed on air permeation volume gauge, measure gas and pass through
The rate of sample；
Step 5: the cotton fiber of two kinds of functions and activated carbon fibre are subjected to blending product in the ratio of 1-2.5:1-3:1,
Weave into absorbing fast-drying pure-cotton fabric；
Step 6: absorbing fast-drying pure-cotton fabric being put into fungicide and is impregnated, maintains the temperature at 45-50 DEG C, continues 4 hours.
Preferably, the hydrophilic finishing agent the preparation method is as follows: a certain amount of pair of benzene two is added in four-hole boiling flask
Formic acid dimethyl ester, Phloroglucinol Derivatives, ethylene glycol and polyethylene glycol (molar ratio DMT/SIPM=6/1；DMT+
SIPM/-0H=1/1.2), slowly catalysts are added after reactant melts completely in heating, are to slowly warm up to 180~190
DEG C carry out ester exchange reaction, there is methanol to distillate at this time, reaction 3~3.5 hours after, the methanol distillated reach the 95% of theoretical amount with
It indicated that ester exchange reaction was more abundant when upper, starts to vacuumize at this time and carry out vacuum polycondensation, when beginning, which steps up vacuum degree, to be made
Unfinished ester exchange reaction is more abundant, and the temperature of reaction system is increased to polycondensation reaction temperature (210~230 after 1 hour
DEG C) and improve vacuum to maximum value, when being discharged in reaction system without micro-molecular gas, polycondensation reaction reaches balance, stops
Reaction terminates to obtain brown solid shape polyether polyester product.
Preferably, the hydrophobic finishing agent the preparation method is as follows: at room temperature, MeOH is added in three-necked flask, is stirred
It mixes down and adds people MTMS, then add people's ethanedioic acid solution (0.01mol/L) dropwise, stirring is for 24 hours；Then ammonia is added dropwise under stiring
Aqueous solution (10mol/L) continues to stir 10min, keep n (MTMS): n (MeOH): n (H:0)=1:21:8, will be prepared
SiO2It is closed and make it in 30 DEG C of progress gelation reactions in the colloidal sol teat glass of falling people, after plus people's anhydrous methanol, 60
DEG C aging process 48h is carried out to gel, after discard methanol solution, be 0.5-1L methanol solution by wet gel plus people to volume
In, 3min is handled using ultrasonic cell disrupte machine, obtains SiO2Alcogel dispersion liquid.
Preferably, the formula of the fungicide is (in terms of 200kg fabric)
Preferably, the dispersing agent and silicone oil ratio in the disperse dyes are 1:0.3.
Preferably, the air permeation volume gauge is YG461E type full-automatic textile fabric air permeation volume gauge.
Compared with prior art, beneficial effects of the present invention: the cloth that the ventilative baby children's underwear of moisture absorption produced by the present invention is selected
Material makes cloth hygroscopicity, gas permeability and flexibility reach optimum balance, and the present invention passes through by the processing of hydrophilic and hydrophobicity
The addition of activated carbon fibre not only increases the supplement to infant skin minerals, and by nano silver antibacterial agent to underwear
It is impregnated, it is made to have outstanding inhibitory effect to various bacteria.
Specific embodiment
To further appreciate that the contents of the present invention, the present invention is described in detail in conjunction with the embodiments.It should be understood that real
Apply example be only to the present invention explain and and it is non-limiting.
Embodiment 1
Present embodiments provide a kind of production method of ventilative baby children's underwear of moisture absorption, comprising the following steps:
Step 1: allow fabric 38 DEG C at a temperature of, PH be 5 hydrophilic finishing agent in handle, be gradually warming up to 80 DEG C and add
The disperse dyes for entering silicone oil formula are kept for 10 minutes in this temperature, hydrophilic cotton fibers are made；
Step 2: allow again fabric 38 DEG C at a temperature of, PH be 5 hydrophilic finishing agent in handle, be gradually warming up to 80 DEG C simultaneously
The disperse dyes of silicone oil formula are added, is kept for 10 minutes in this temperature, hydrophobic cotton fiber is made；
Step 3: after hydrophilic cotton fibers and hydrophobic cotton fiber are washed, being dried at 150 DEG C；
Step 4: by after drying hydrophilic cotton fibers and hydrophobic cotton fiber be placed on air permeation volume gauge, measure gas and pass through
The rate of sample；
Step 5: the cotton fiber of two kinds of functions and activated carbon fibre are subjected to blending product in the ratio of 1:3:1, weaving at
Absorbing fast-drying pure-cotton fabric；
Step 6: absorbing fast-drying pure-cotton fabric being put into fungicide and is impregnated, maintains the temperature at 50 DEG C, continues 4 hours.
In the present embodiment, hydrophilic finishing agent the preparation method is as follows: a certain amount of terephthaldehyde is added in four-hole boiling flask
Dimethyl phthalate, Phloroglucinol Derivatives, ethylene glycol and polyethylene glycol (molar ratio DMT/SIPM=6/1；DMT+
SIPM/-0H=1/1.2), slowly catalysts are added after reactant melts completely in heating, are to slowly warm up to 180 DEG C of progress
Ester exchange reaction has methanol to distillate at this time, and after reaction 3 hours, the methanol distillated indicates ester when reaching 95% of theoretical amount or more
Exchange reaction is more abundant, starts to vacuumize at this time and carries out vacuum polycondensation, and when beginning, which steps up vacuum degree, makes unfinished ester
Exchange reaction is more abundant, and the temperature of reaction system is increased to polycondensation reaction temperature (210 DEG C) after 1 hour and improves vacuum
To maximum value, when being discharged in reaction system without micro-molecular gas, polycondensation reaction reaches balance, stops reaction, terminates to obtain
Brown solid shape polyether polyester product.
In the present embodiment, hydrophobic finishing agent the preparation method is as follows: at room temperature, MeOH is added in three-necked flask, stirring
Down plus people MTMS, then dropwise plus people's ethanedioic acid solution (0.01mol/L), stirring is for 24 hours；Then ammonium hydroxide is added dropwise under stiring
Solution (10mol/L) continues to stir 10min, keep n (MTMS): n (MeOH): n (H:0)=1:21:8, by prepared SiO2
It is closed and make it in 30 DEG C of progress gelation reactions in the colloidal sol teat glass of falling people, after plus people's anhydrous methanol, it is right at 60 DEG C
Gel carries out aging process 48h, after discard methanol solution, be in 0.5-1L methanol solution by wet gel plus people to volume,
3min is handled using ultrasonic cell disrupte machine, obtains SiO2Alcogel dispersion liquid.
In the present embodiment, the formula of fungicide is (in terms of 200kg fabric)
In the present embodiment, dispersing agent and silicone oil ratio in disperse dyes are 1:0.3.
In the present embodiment, air permeation volume gauge is YG461E type full-automatic textile fabric air permeation volume gauge.
Embodiment 2
Present embodiments provide a kind of production method of ventilative baby children's underwear of moisture absorption, comprising the following steps:
Step 1: allow fabric 40 DEG C at a temperature of, PH be 5.5 hydrophilic finishing agent in handle, be gradually warming up to 80 DEG C simultaneously
The disperse dyes of silicone oil formula are added, is kept for 10 minutes in this temperature, hydrophilic cotton fibers is made；
Step 2: allow again fabric 40 DEG C at a temperature of, PH be 5.5 hydrophilic finishing agent in handle, be gradually warming up to 80 DEG C
And the disperse dyes of silicone oil formula are added, it is kept for 10 minutes in this temperature, hydrophobic cotton fiber is made；
Step 3: after hydrophilic cotton fibers and hydrophobic cotton fiber are washed, being dried at 170 DEG C；
Step 4: by after drying hydrophilic cotton fibers and hydrophobic cotton fiber be placed on air permeation volume gauge, measure gas and pass through
The rate of sample；
Step 5: the cotton fiber of two kinds of functions and activated carbon fibre being subjected to blending product, weaving in the ratio of 2.5:2:1
At absorbing fast-drying pure-cotton fabric；
Step 6: absorbing fast-drying pure-cotton fabric being put into fungicide and is impregnated, maintains the temperature at 50 DEG C, continues 4 hours.
In the present embodiment, hydrophilic finishing agent the preparation method is as follows: a certain amount of terephthaldehyde is added in four-hole boiling flask
Dimethyl phthalate, Phloroglucinol Derivatives, ethylene glycol and polyethylene glycol (molar ratio DMT/SIPM=6/1；DMT+
SIPM/-0H=1/1.2), slowly catalysts are added after reactant melts completely in heating, are to slowly warm up to 190 DEG C of progress
Ester exchange reaction has methanol to distillate at this time, and after reaction 3 hours, the methanol distillated indicates ester when reaching 95% of theoretical amount or more
Exchange reaction is more abundant, starts to vacuumize at this time and carries out vacuum polycondensation, and when beginning, which steps up vacuum degree, makes unfinished ester
Exchange reaction is more abundant, and the temperature of reaction system is increased to polycondensation reaction temperature (230 DEG C) after 1 hour and improves vacuum
To maximum value, when being discharged in reaction system without micro-molecular gas, polycondensation reaction reaches balance, stops reaction, terminates to obtain
Brown solid shape polyether polyester product.
In the present embodiment, hydrophobic finishing agent the preparation method is as follows: at room temperature, MeOH is added in three-necked flask, stirring
Down plus people MTMS, then dropwise plus people's ethanedioic acid solution (0.01mol/L), stirring is for 24 hours；Then ammonium hydroxide is added dropwise under stiring
Solution (10mol/L) continues to stir 10min, keep n (MTMS): n (MeOH): n (H:0)=1:21:8, by prepared SiO2
It is closed and make it in 30 DEG C of progress gelation reactions in the colloidal sol teat glass of falling people, after plus people's anhydrous methanol, it is right at 60 DEG C
Gel carries out aging process 48h, after discard methanol solution, be in 0.5-1L methanol solution by wet gel plus people to volume,
3min is handled using ultrasonic cell disrupte machine, obtains SiO2Alcogel dispersion liquid.
In the present embodiment, the formula of fungicide is (in terms of 200kg fabric)
In the present embodiment, dispersing agent and silicone oil ratio in disperse dyes are 1:0.3.
In the present embodiment, air permeation volume gauge is YG461E type full-automatic textile fabric air permeation volume gauge
Embodiment 3
Present embodiments provide a kind of production method of ventilative baby children's underwear of moisture absorption, comprising the following steps:
Step 1: allow fabric 41 DEG C at a temperature of, PH be 5 hydrophilic finishing agent in handle, be gradually warming up to 80 DEG C and add
The disperse dyes for entering silicone oil formula are kept for 10 minutes in this temperature, hydrophilic cotton fibers are made；
Step 2: allow again fabric 41 DEG C at a temperature of, PH be 5 hydrophilic finishing agent in handle, be gradually warming up to 80 DEG C simultaneously
The disperse dyes of silicone oil formula are added, is kept for 10 minutes in this temperature, hydrophobic cotton fiber is made；
Step 3: after hydrophilic cotton fibers and hydrophobic cotton fiber are washed, being dried at 150 DEG C；
Step 4: by after drying hydrophilic cotton fibers and hydrophobic cotton fiber be placed on air permeation volume gauge, measure gas and pass through
The rate of sample；
Step 5: the cotton fiber of two kinds of functions and activated carbon fibre are subjected to blending product in the ratio of 1:3:1, weaving at
Absorbing fast-drying pure-cotton fabric；
Step 6: absorbing fast-drying pure-cotton fabric being put into fungicide and is impregnated, maintains the temperature at 50 DEG C, continues 4 hours.
In the present embodiment, hydrophilic finishing agent the preparation method is as follows: a certain amount of terephthaldehyde is added in four-hole boiling flask
Dimethyl phthalate, Phloroglucinol Derivatives, ethylene glycol and polyethylene glycol (molar ratio DMT/SIPM=6/1；DMT+
SIPM/-0H=1/1.2), slowly catalysts are added after reactant melts completely in heating, are to slowly warm up to 180 DEG C of progress
Ester exchange reaction has methanol to distillate at this time, and after reaction 3 hours, the methanol distillated indicates ester when reaching 95% of theoretical amount or more
Exchange reaction is more abundant, starts to vacuumize at this time and carries out vacuum polycondensation, and when beginning, which steps up vacuum degree, makes unfinished ester
Exchange reaction is more abundant, and the temperature of reaction system is increased to polycondensation reaction temperature (210 DEG C) after 1 hour and improves vacuum
To maximum value, when being discharged in reaction system without micro-molecular gas, polycondensation reaction reaches balance, stops reaction, terminates to obtain
Brown solid shape polyether polyester product.
In the present embodiment, hydrophobic finishing agent the preparation method is as follows: at room temperature, MeOH is added in three-necked flask, stirring
Down plus people MTMS, then dropwise plus people's ethanedioic acid solution (0.01mol/L), stirring is for 24 hours；Then ammonium hydroxide is added dropwise under stiring
Solution (10mol/L) continues to stir 10min, keep n (MTMS): n (MeOH): n (H:0)=1:21:8, by prepared SiO2
It is closed and make it in 30 DEG C of progress gelation reactions in the colloidal sol teat glass of falling people, after plus people's anhydrous methanol, it is right at 60 DEG C
Gel carries out aging process 48h, after discard methanol solution, be in 0.5-1L methanol solution by wet gel plus people to volume,
3min is handled using ultrasonic cell disrupte machine, obtains SiO2Alcogel dispersion liquid.
In the present embodiment, the formula of fungicide is (in terms of 200kg fabric)
In the present embodiment, dispersing agent and silicone oil ratio in disperse dyes are 1:0.3.
In the present embodiment, air permeation volume gauge is YG461E type full-automatic textile fabric air permeation volume gauge.
Embodiment 4
Present embodiments provide a kind of production method of ventilative baby children's underwear of moisture absorption, comprising the following steps:
Step 1: allow fabric 42 DEG C at a temperature of, PH be 5.5 hydrophilic finishing agent in handle, be gradually warming up to 80 DEG C simultaneously
The disperse dyes of silicone oil formula are added, is kept for 10 minutes in this temperature, hydrophilic cotton fibers is made；
Step 2: allow again fabric 42 DEG C at a temperature of, PH be 5.5 hydrophilic finishing agent in handle, be gradually warming up to 80 DEG C
And the disperse dyes of silicone oil formula are added, it is kept for 10 minutes in this temperature, hydrophobic cotton fiber is made；
Step 3: after hydrophilic cotton fibers and hydrophobic cotton fiber are washed, being dried at 170 DEG C；
Step 4: by after drying hydrophilic cotton fibers and hydrophobic cotton fiber be placed on air permeation volume gauge, measure gas and pass through
The rate of sample；
Step 5: the cotton fiber of two kinds of functions and activated carbon fibre being subjected to blending product, weaving in the ratio of 2.5:2:1
At absorbing fast-drying pure-cotton fabric；
Step 6: absorbing fast-drying pure-cotton fabric being put into fungicide and is impregnated, maintains the temperature at 50 DEG C, continues 4 hours.
In the present embodiment, hydrophilic finishing agent the preparation method is as follows: a certain amount of terephthaldehyde is added in four-hole boiling flask
Dimethyl phthalate, Phloroglucinol Derivatives, ethylene glycol and polyethylene glycol (molar ratio DMT/SIPM=6/1；DMT+
SIPM/-0H=1/1.2), slowly catalysts are added after reactant melts completely in heating, are to slowly warm up to 190 DEG C of progress
Ester exchange reaction has methanol to distillate at this time, and after reaction 3 hours, the methanol distillated indicates ester when reaching 95% of theoretical amount or more
Exchange reaction is more abundant, starts to vacuumize at this time and carries out vacuum polycondensation, and when beginning, which steps up vacuum degree, makes unfinished ester
Exchange reaction is more abundant, and the temperature of reaction system is increased to polycondensation reaction temperature (230 DEG C) after 1 hour and improves vacuum
To maximum value, when being discharged in reaction system without micro-molecular gas, polycondensation reaction reaches balance, stops reaction, terminates to obtain
Brown solid shape polyether polyester product.
In the present embodiment, hydrophobic finishing agent the preparation method is as follows: at room temperature, MeOH is added in three-necked flask, stirring
Down plus people MTMS, then dropwise plus people's ethanedioic acid solution (0.01mol/L), stirring is for 24 hours；Then ammonium hydroxide is added dropwise under stiring
Solution (10mol/L) continues to stir 10min, keep n (MTMS): n (MeOH): n (H:0)=1:21:8, by prepared SiO2
It is closed and make it in 30 DEG C of progress gelation reactions in the colloidal sol teat glass of falling people, after plus people's anhydrous methanol, it is right at 60 DEG C
Gel carries out aging process 48h, after discard methanol solution, be in 0.5-1L methanol solution by wet gel plus people to volume,
3min is handled using ultrasonic cell disrupte machine, obtains SiO2Alcogel dispersion liquid.
In the present embodiment, the formula of fungicide is (in terms of 200kg fabric)
In the present embodiment, dispersing agent and silicone oil ratio in disperse dyes are 1:0.3.
In the present embodiment, air permeation volume gauge is YG461E type full-automatic textile fabric air permeation volume gauge.
Comparative example 1
It is prepared according to the method for embodiment 1, unlike,
Cotton fiber and activated carbon fibre are subjected to blending product in the ratio of 2:1, weaved into absorbing fast-drying pure-cotton fabric；It will
Absorbing fast-drying pure-cotton fabric, which is put into fungicide, to be impregnated, and maintains the temperature at 50 DEG C, continues 4 hours.
Comparative example 2
It is prepared according to the method for embodiment 1, unlike,
Step 1: allow fabric 37 DEG C at a temperature of, PH be 5 hydrophilic finishing agent in handle, be gradually warming up to 80 DEG C and add
The disperse dyes for entering silicone oil formula are kept for 10 minutes in this temperature, hydrophilic cotton fibers are made；
Step 2: allow again fabric 43 DEG C at a temperature of, PH be 5 hydrophilic finishing agent in handle, be gradually warming up to 80 DEG C simultaneously
The disperse dyes of silicone oil formula are added, is kept for 10 minutes in this temperature, hydrophobic cotton fiber is made；
Step 3: after hydrophilic cotton fibers and hydrophobic cotton fiber are washed, being dried at 150 DEG C；
Step 4: by after drying hydrophilic cotton fibers and hydrophobic cotton fiber be placed on air permeation volume gauge, measure gas and pass through
The rate of sample；
Step 5: the cotton fiber of two kinds of functions being subjected to blending product in the ratio of 1:3, is weaved into absorbing fast-drying pure cotton face
Material.
| Gas permeability enhancing rate % | Water imbibition enhancing rate % | Bacteriostasis rate enhancing rate % | |
| Embodiment 1 | 2.35 | 1.58 | 0.79 |
| Embodiment 2 | 1.79 | 2.19 | 0.65 |
| Embodiment 3 | 2.24 | 1.56 | 0.59 |
| Embodiment 4 | 1.83 | 2.06 | 0.81 |
| Comparative example 1 | 0.24 | 0.87 | 0.61 |
| Comparative example 2 | 2.20 | 1.51 | 0.03 |
By upper table data can be seen that baby children's underwear produced within the scope of the present invention to water imbibition and gas permeability and
Bactericidal property is significantly increased, and baby children's underwear water imbibition produced outside the scope of the present invention and gas permeability and bactericidal property
It is promoted little, is promoted in the present invention as water imbibition and gas permeability obtained in preferred scope and bactericidal property more significant.
The principle of the present invention, main feature and advantages of the present invention has been shown and described above.The technical staff of the industry
It should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only of the invention excellent
Example is selected, is not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various change
And improvement, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended
Claims and its equivalent thereof.
Claims (6)
- The production method of baby children's underwear 1. a kind of moisture absorption is breathed freely, it is characterised in that: the following steps are included:Step 1: allow fabric 38-42 DEG C at a temperature of, PH is handled in the hydrophilic finishing agent between 5-5.5, is gradually warming up to 80 DEG C and the disperse dyes of silicone oil formula are added, are kept for 10 minutes in this temperature, hydrophilic cotton fibers are made；Step 2: allow again fabric 38-42 DEG C at a temperature of, PH is handled in the hydrophilic finishing agent between 5-5.5, is gradually heated up To 80 DEG C and the disperse dyes of silicone oil formula are added, is kept for 10 minutes in this temperature, hydrophobic cotton fiber is made；Step 3: after hydrophilic cotton fibers and hydrophobic cotton fiber are washed, in 150 DEG C of -170 DEG C of drying；Step 4: by after drying hydrophilic cotton fibers and hydrophobic cotton fiber be placed on air permeation volume gauge, measure gas and pass through sample Rate；Step 5: the cotton fiber of two kinds of functions and activated carbon fibre being subjected to blending product, weaving in the ratio of 1-2.5:1-3:1 At absorbing fast-drying pure-cotton fabric；Step 6: absorbing fast-drying pure-cotton fabric being put into fungicide and is impregnated, maintains the temperature at 45-50 DEG C, continues 4 hours.
- The production method of baby children's underwear 2. moisture absorption according to claim 1 is breathed freely, it is characterised in that: the hydrophilic finishing agent The preparation method is as follows: a certain amount of dimethyl terephthalate (DMT), dimethyl isophthalate sulfonic acid are added in four-hole boiling flask Sodium, ethylene glycol and polyethylene glycol (molar ratio DMT/SIPM=6/1；DMT+SIPM/-0H=1/1.2), slowly heat up to reactant Catalysts are added after melting completely, is to slowly warm up to 180~190 DEG C of progress ester exchange reactions, has methanol to distillate at this time, instead After answering 3~3.5 hours, the methanol distillated indicates that ester exchange reaction is more abundant when reaching 95% of theoretical amount or more, opens at this time Beginning, which vacuumizes, carries out vacuum polycondensation, and when beginning, which steps up vacuum degree, keeps unfinished ester exchange reaction more abundant, after 1 hour The temperature of reaction system is increased to polycondensation reaction temperature (210~230 DEG C) and improves vacuum to maximum value, works as reaction system When middle no micro-molecular gas is discharged, polycondensation reaction reaches balance, stops reaction, terminates to obtain brown solid shape polyether polyester Product.
- The production method of baby children's underwear 3. moisture absorption according to claim 1 is breathed freely, it is characterised in that: the hydrophobic finishing agent The preparation method is as follows: at room temperature, MeOH is added in three-necked flask, stirring is lower plus people MTMS, then dropwise plus people's ethanedioic acid Solution (0.01mol/L), stirring is for 24 hours；Then ammonia spirit (10mol/L) is added dropwise under stiring, continues to stir 10min, It keeps n (MTMS): n (MeOH): n (H:0)=1:21:8, by prepared SiO2It is closed and make in the colloidal sol teat glass of falling people Its in 30 DEG C of progress gelation reactions, after plus people's anhydrous methanol, aging process 48h is carried out to gel at 60 DEG C, after Methanol solution is discarded, by wet gel plus people to volume to handle 3min using ultrasonic cell disrupte machine in 0.5-1L methanol solution, Obtain SiO2Alcogel dispersion liquid.
- The production method of baby children's underwear 4. moisture absorption according to claim 1 is breathed freely, it is characterised in that: the fungicide is matched Side is (in terms of 200kg fabric)
- The production method of baby children's underwear 5. moisture absorption according to claim 1 is breathed freely, it is characterised in that: in the disperse dyes Dispersing agent and silicone oil ratio be 1:0.3.
- The production method of baby children's underwear 6. moisture absorption according to claim 1 is breathed freely, it is characterised in that: the air permeation volume gauge is YG461E type full-automatic textile fabric air permeation volume gauge.
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| CN113183555A (en) * | 2021-04-23 | 2021-07-30 | 恒天嘉华非织造有限公司 | Breathable and dry double-layer non-woven fabric and processing technology thereof |
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