CN108948535A - A kind of preparation method of anti-static sole material - Google Patents
A kind of preparation method of anti-static sole material Download PDFInfo
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/104—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
- C08J9/105—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof containing sulfur
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/04—Plastics, rubber or vulcanised fibre
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- C08J9/0066—Use of inorganic compounding ingredients
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
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- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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Abstract
The invention discloses a kind of preparation methods of anti-static sole material, and processing technology is simple, have excellent performance, the sole material of preparation has lower surface resistivity, it can achieve the requirement of anti-static shoes, while its impact strength and tensile strength are higher, comprehensive mechanical property is preferable.Use is cooperateed with after coir fibre is carbonized with carbon fiber, not only reduces production cost, antistatic effect is unaffected, while the excellent mechanical performance of coir fibre also improves the tensile strength of sole material；Coir fibre and carbon fiber are modified using rectorite, amino acid, the dispersion of fiber is promoted, improves antistatic effect, while improving its dispersibility and compatibility in the substrate, improve the interface interaction power with substrate, the shock resistance and tensile resistance of reinforcing material.
Description
Technical field
The invention belongs to sole material technical field, especially a kind of preparation method of anti-static sole material.
Background technique
Shoes are the daily necessities known to us, and structure includes shoes sole and upper, and wherein sole is usually by rubber, plastics etc.
Insulating materials is made, this just makes one and the earth mutually insulated.But with the diversification with chemical & blended fabric in clothing materials,
When being air-dried, electrostatic is often generated, makes human body with electrostatic, not only there is security risk, to the product with high request
Production is also affected and is destroyed, so it is particularly significant to reinforce anti-static precautions.
Electrostatic can be oriented to the earth from human body by anti-static shoes, to eliminate static electricity on human body, while also restrained effectively
Walk about generated dust of the personnel in dust free room, is suitable for pharmaceutical factory, food factory, Electronics Factory's dust proof workshop, laboratory etc.,
When prior art preparation Antistatic sole, usually there is antistatic filler price is higher, and dispersion in the substrate is uneven
The problem of, cause the service performance of antistatic effect and sole not good enough.
Summary of the invention
In view of the above-mentioned problems, the present invention is intended to provide it is a kind of cost is relatively low, antistatic effect is preferable, while comprehensive mechanical property
The preparation method of the preferable anti-static sole material of energy.
The invention is realized by the following technical scheme:
A kind of preparation method of anti-static sole material, which comprises the following steps:
(1) 5-10 part coir fibre in parts by weight is placed in freeze drying box, is crushed after 3-5h is lyophilized, until length
For 50-500nm, supercritical carbon dioxide treatment is then utilized, the processing time is 15-18min, then the charcoal at 350-370 DEG C
Change 3-4h, room temperature is down to the rate of 2-3 DEG C/min, obtains coconut shell chars fiber；
(2) coconut shell chars fiber obtained by step (1) is mixed with 5-10 parts of carbon fibers, is then added in deionized water,
At 65-70 DEG C, using the ultrasonic treatment 40-50min of 50-60Hz, 2-3 parts of borate surfactants is then added, are heated to
95-105 DEG C, 40-60min is stirred to react at 400-500rpm, then cooling, filtering, and rinsed 3-4 times with deionized water,
It is placed in 100-105 DEG C of vacuum oven dry；
(3) 10-15 parts of rectorites being put into ball grinder, adds the hydrochloric acid solution of 4-6%, ball milling is the slurry of 4-5 at pH,
Then 3-5 part amino acid, continuation ball milling 2-3h, then relative air humidity is 70-75%, temperature is 60-65 DEG C of environment is added
Lower placement 4-5 days, then deionized water thereto, is diluted to the suspension that rectorite content is 10-15%, step (2) institute is added
Object is obtained, 2-3h is reacted at 100-110 DEG C, 700-800rpm, is filtered, is washed and dry；
(4) step (3) gains are added in the dehydrated alcohol of 20-30 times of its volume, are ultrasonically treated 10- at 40-50 DEG C
Then 20min is added 10-20 parts of gum arabic solutions, is again heated to 65-70 DEG C, continue to be ultrasonically treated 20-30min, then
It is put into vacuum plant, 5-10h is stood at -0.8~-0.9MPa, is then filtered, and dried at 60-70 DEG C, it is ground
250-400 mesh；
(5) 80-100 parts of acrylic resins, 5-8 parts of lubricants, 3-5 parts of antioxidant are put into mixer, 3-5 parts of plasticising is added
Then agent, the mixing 10-15min at 100-105 DEG C are added 3-5 parts of plasticizer, step (4) gains, foaming agent, are transferred to out
Then mill mill is transferred to granulation at 120-125 DEG C of pelletizer and obtains pellet, pellet is placed in baking oven at 90-95 DEG C dry
3-3.5h is transferred in injection molding machine at 135-140 DEG C and is injection moulded.
Further, step (1) the supercritical carbon dioxide treatment pressure is 3-5MPa.
Further, the partial size of step (3) described rectorite is 20-300nm.
Further, the concentration of step (4) described gum arabic solution is 10-15%, and preparation method is to set Arab
Glue is add to deionized water, and side is heated lateral dominance and stirred with the revolving speed of 300-400rpm, and when being heated to 90-95 DEG C, raising speed is extremely
600-700rpm stirs 10-15min, is subsequently cooled to 70-75 DEG C, keeps the temperature 1-2h to get gum arabic solution.
Further, step (5) lubricant is polyethylene wax, and antioxidant is irgasfos 168, and plasticizer is that epoxy is big
Soya-bean oil, foaming agent are foaming agent OBSH.
Beneficial effects of the present invention: processing technology of the present invention is simple, has excellent performance, and the sole material of preparation has lower
Surface resistivity can achieve the requirement of anti-static shoes, while its impact strength and tensile strength are higher, comprehensive mechanical property
It can be preferably.Use is cooperateed with after coir fibre is carbonized with carbon fiber, not only reduces production cost, antistatic effect not by
It influences, while the excellent mechanical performance of coir fibre also improves the tensile strength of sole material；Utilize rectorite, amino acid
Coir fibre and carbon fiber are modified, the dispersion of fiber is promoted, improves antistatic effect, while improving it in the substrate
Dispersibility and compatibility, improve and the interface interaction power of substrate, the shock resistance and tensile resistance of reinforcing material；It utilizes
Gum arabic is modified filler, avoids the reunion winding of coir fibre and carbon fiber, avoids fibre pick from cracking, increase
By force with the compatibility of substrate, the comprehensive mechanical property of sole material is improved.
Specific embodiment
Illustrate the present invention with specific embodiment below, but is not limitation of the present invention.
Embodiment 1
A kind of preparation method of anti-static sole material, which comprises the following steps:
(1) 5 parts of coir fibres in parts by weight are placed in freeze drying box, are crushed after 3h is lyophilized, until length is
Then 50nm utilizes supercritical carbon dioxide treatment, the processing time is 15min, then 3h is carbonized at 350 DEG C, with 2 DEG C/min
Rate be down to room temperature, obtain coconut shell chars fiber；
(2) coconut shell chars fiber obtained by step (1) is mixed with 5 parts of carbon fibers, is then added in deionized water, at 65 DEG C
Under, using the ultrasonic treatment 40min of 50Hz, 2 parts of borate surfactants are then added, 95 DEG C are heated to, at 400rpm
It is stirred to react 40min, then cooling, filtering, and rinsed 3 times with deionized water, it is placed in 100 DEG C of vacuum oven dry；
(3) 10 parts of rectorites are put into ball grinder, add 4% hydrochloric acid solution, then the slurry that ball milling is 4 at pH is added
3 parts of amino acid continue ball milling 2h, then relative air humidity is 70%, temperature is to place 4 days under 60 DEG C of environment, then to it
Middle deionized water is diluted to the suspension that rectorite content is 10%, and step (2) gains are added, anti-at 100 DEG C, 700rpm
2h is answered, is filtered, is washed and dry；
(4) step (3) gains are added in the dehydrated alcohol of 20 times of its volume, 10min are ultrasonically treated at 40 DEG C, then
10 parts of gum arabic solutions are added, are again heated to 65 DEG C, continues to be ultrasonically treated 20min, be then placed in vacuum plant ,-
5h is stood under 0.8MPa, is then filtered, and is dried at 60 DEG C, ground 250 mesh；
(5) 80 parts of acrylic resins, 5 parts of lubricants, 3 parts of antioxidant are put into mixer, 3 parts of plasticizer are added, at 100 DEG C
Then lower mixing 10min is added 3 parts of plasticizer, step (4) gains, foaming agent, is transferred to open mill mill, is then transferred to and makes
It is granulated at 120 DEG C of machine of grain and obtains pellet, pellet is placed in baking oven at 90 DEG C dry 3h, is transferred in injection molding machine and is injected at 135 DEG C
Molding.
Further, step (1) the supercritical carbon dioxide treatment pressure is 3MPa.
Further, the partial size of step (3) described rectorite is 20nm.
Further, the concentration of step (4) described gum arabic solution is 10%, and preparation method is by gum arabic
It being add to deionized water, side is heated lateral dominance and is stirred with the revolving speed of 300rpm, when being heated to 90 DEG C, raising speed to 600rpm, stirring
10min is subsequently cooled to 70 DEG C, keeps the temperature 1h to get gum arabic solution.
Further, step (5) lubricant is polyethylene wax, and antioxidant is irgasfos 168, and plasticizer is that epoxy is big
Soya-bean oil, foaming agent are foaming agent OBSH.
Embodiment 2
A kind of preparation method of anti-static sole material, which comprises the following steps:
(1) 7 parts of coir fibres in parts by weight are placed in freeze drying box, are crushed after 4h is lyophilized, until length is
200nm, then utilize supercritical carbon dioxide treatment, the processing time be 17min, then carbonize 3-4h at 360 DEG C, with 3 DEG C/
The rate of min is down to room temperature, obtains coconut shell chars fiber；
(2) coconut shell chars fiber obtained by step (1) is mixed with 8 parts of carbon fibers, is then added in deionized water, at 68 DEG C
Under, using the ultrasonic treatment 45min of 55Hz, 3 parts of borate surfactants are then added, are heated to 100 DEG C, at 450 rpm
It is stirred to react 50min, then cooling, filtering, and rinsed 4 times with deionized water, it is placed in 102 DEG C of vacuum oven dry；
(3) 12 parts of rectorites are put into ball grinder, add 5% hydrochloric acid solution, then the slurry that ball milling is 5 at pH is added
4 parts of amino acid continue ball milling 3h, then relative air humidity is 73%, temperature is to place 5 days under 62 DEG C of environment, then to it
Middle deionized water is diluted to the suspension that rectorite content is 13%, and step (2) gains are added, anti-at 105 DEG C, 750rpm
3h is answered, is filtered, is washed and dry；
(4) step (3) gains are added in the dehydrated alcohol of 25 times of its volume, 15min are ultrasonically treated at 45 DEG C, then
15 parts of gum arabic solutions are added, are again heated to 68 DEG C, continues to be ultrasonically treated 25min, be then placed in vacuum plant ,-
7h is stood under 0.85MPa, is then filtered, and is dried at 65 DEG C, ground 300 mesh；
(5) 90 parts of acrylic resins, 6 parts of lubricants, 4 parts of antioxidant are put into mixer, 4 parts of plasticizer are added, at 107 DEG C
Then lower mixing 13min is added 4 parts of plasticizer, step (4) gains, foaming agent, is transferred to open mill mill, is then transferred to and makes
It is granulated at 123 DEG C of machine of grain and obtains pellet, pellet is placed in baking oven at 92 DEG C dry 3.5h, is transferred to 138 DEG C of bets in injection molding machine
Penetrate molding.
Further, step (1) the supercritical carbon dioxide treatment pressure is 4MPa.
Further, the partial size of step (3) described rectorite is 100nm.
Further, the concentration of step (4) described gum arabic solution is 12%, and preparation method is by gum arabic
It being add to deionized water, side is heated lateral dominance and is stirred with the revolving speed of 350rpm, when being heated to 92 DEG C, raising speed to 650rpm, stirring
12min is subsequently cooled to 73 DEG C, keeps the temperature 2h to get gum arabic solution.
Further, step (5) lubricant is polyethylene wax, and antioxidant is irgasfos 168, and plasticizer is that epoxy is big
Soya-bean oil, foaming agent are foaming agent OBSH.
Embodiment 3
A kind of preparation method of anti-static sole material, which comprises the following steps:
(1) 10 parts of coir fibres in parts by weight are placed in freeze drying box, are crushed after 5h is lyophilized, until length is
500nm, then utilize supercritical carbon dioxide treatment, the processing time be 18min, then carbonize 4h at 370 DEG C, with 3 DEG C/
The rate of min is down to room temperature, obtains coconut shell chars fiber；
(2) coconut shell chars fiber obtained by step (1) is mixed with 10 parts of carbon fibers, is then added in deionized water, 70
At DEG C, using the ultrasonic treatment 50min of 60Hz, 3 parts of borate surfactants is then added, 105 DEG C are heated to, in 500rpm
Under be stirred to react 60min, it is then cooling, filter, and rinsed 4 times with deionized water, be placed in 105 DEG C of vacuum oven and do
It is dry；
(3) 15 parts of rectorites are put into ball grinder, add 6% hydrochloric acid solution, then the slurry that ball milling is 5 at pH is added
5 parts of amino acid continue ball milling 3h, then relative air humidity is 75%, temperature is to place 5 days under 65 DEG C of environment, then to it
Middle deionized water is diluted to the suspension that rectorite content is 15%, and step (2) gains are added, anti-at 110 DEG C, 800rpm
3h is answered, is filtered, is washed and dry；
(4) step (3) gains are added in the dehydrated alcohol of 30 times of its volume, 20min are ultrasonically treated at 50 DEG C, then
20 parts of gum arabic solutions are added, are again heated to 70 DEG C, continues to be ultrasonically treated 30min, be then placed in vacuum plant ,-
10h is stood under 0.9MPa, is then filtered, and is dried at 70 DEG C, ground 400 mesh；
(5) 100 parts of acrylic resins, 8 parts of lubricants, 5 parts of antioxidant are put into mixer, 5 parts of plasticizer are added, 105
Then mixing 15min at DEG C is added 5 parts of plasticizer, step (4) gains, foaming agent, is transferred to open mill mill, is then transferred to
It is granulated at 125 DEG C of pelletizer and obtains pellet, pellet is placed in baking oven at 95 DEG C dry 3.5h, is transferred in injection molding machine at 140 DEG C
Injection moulding.
Further, step (1) the supercritical carbon dioxide treatment pressure is 5MPa.
Further, the partial size of step (3) described rectorite is 300nm.
Further, the concentration of step (4) described gum arabic solution is 15%, and preparation method is by gum arabic
It being add to deionized water, side is heated lateral dominance and is stirred with the revolving speed of 400rpm, when being heated to 95 DEG C, raising speed to 700rpm, stirring
15min is subsequently cooled to 75 DEG C, keeps the temperature 2h to get gum arabic solution.
Further, step (5) lubricant is polyethylene wax, and antioxidant is irgasfos 168, and plasticizer is that epoxy is big
Soya-bean oil, foaming agent are foaming agent OBSH.
Comparative example 1
The addition of coir fibre is omitted compared to embodiment 2 in this comparative example, and method and step in addition to this is all the same.
Comparative example 2
The addition of rectorite is omitted compared to embodiment 2 in this comparative example, and method and step in addition to this is all the same.
Comparative example 3
The addition of amino acid is omitted compared to embodiment 2 in this comparative example, and method and step in addition to this is all the same.
Comparative example 4
The addition of gum arabic is omitted compared to embodiment 2 in this comparative example, and method and step in addition to this is homogeneous
Together.
Performance test:
Antistatic performance: with reference to GB/T 1410-2006 to the surface resistivity of each embodiment and comparative example resulting materials into
Row test, the smaller antistatic performance of surface resistivity are better.
Shock resistance: the anti-impact of each embodiment and comparative example resulting materials is tested with reference to GB/T1043.1-2008
Hit intensity.
Tensile resistance test: the anti-of each embodiment and comparative example resulting materials is tested with reference to GB/T2568-1995
Tensile strength.
Test result is as shown in table 1:
Table 1
| Surface resistivity/Ω | Impact strength/MPa | Tensile strength/MPa | |
| Embodiment 1 | 4.5×106 | 28.2 | 39.2 |
| Embodiment 2 | 4.3×106 | 28.3 | 39.6 |
| Embodiment 3 | 4.2×106 | 28.4 | 39.4 |
| Comparative example 1 | 3.8×1010 | 16.5 | 32.5 |
| Comparative example 2 | 4.2×109 | 14.7 | 26.6 |
| Comparative example 3 | 4.8×109 | 15.8 | 30.2 |
| Comparative example 4 | 5.6×109 | 15.6 | 30.4 |
As can be seen from Table 1, sole material prepared by the present invention has lower surface resistivity, can achieve anti-static shoes
It is required that while its impact strength and tensile strength it is higher, comprehensive mechanical property is preferable.
Claims (5)
1. a kind of preparation method of anti-static sole material, which comprises the following steps:
(1) 5-10 part coir fibre in parts by weight is placed in freeze drying box, is crushed after 3-5h is lyophilized, until length
For 50-500nm, supercritical carbon dioxide treatment is then utilized, the processing time is 15-18min, then the charcoal at 350-370 DEG C
Change 3-4h, room temperature is down to the rate of 2-3 DEG C/min, obtains coconut shell chars fiber；
(2) coconut shell chars fiber obtained by step (1) is mixed with 5-10 parts of carbon fibers, is then added in deionized water,
At 65-70 DEG C, using the ultrasonic treatment 40-50min of 50-60Hz, 2-3 parts of borate surfactants is then added, are heated to
95-105 DEG C, 40-60min is stirred to react at 400-500rpm, then cooling, filtering, and rinsed 3-4 times with deionized water,
It is placed in 100-105 DEG C of vacuum oven dry；
(3) 10-15 parts of rectorites being put into ball grinder, adds the hydrochloric acid solution of 4-6%, ball milling is the slurry of 4-5 at pH,
Then 3-5 part amino acid, continuation ball milling 2-3h, then relative air humidity is 70-75%, temperature is 60-65 DEG C of environment is added
Lower placement 4-5 days, then deionized water thereto, is diluted to the suspension that rectorite content is 10-15%, step (2) institute is added
Object is obtained, 2-3h is reacted at 100-110 DEG C, 700-800rpm, is filtered, is washed and dry；
(4) step (3) gains are added in the dehydrated alcohol of 20-30 times of its volume, are ultrasonically treated 10- at 40-50 DEG C
Then 20min is added 10-20 parts of gum arabic solutions, is again heated to 65-70 DEG C, continue to be ultrasonically treated 20-30min, then
It is put into vacuum plant, 5-10h is stood at -0.8~-0.9MPa, is then filtered, and dried at 60-70 DEG C, it is ground
250-400 mesh；
(5) 80-100 parts of acrylic resins, 5-8 parts of lubricants, 3-5 parts of antioxidant are put into mixer, 3-5 parts of plasticising is added
Then agent, the mixing 10-15min at 100-105 DEG C are added 3-5 parts of plasticizer, step (4) gains, foaming agent, are transferred to out
Then mill mill is transferred to granulation at 120-125 DEG C of pelletizer and obtains pellet, pellet is placed in baking oven at 90-95 DEG C dry
3-3.5h is transferred in injection molding machine at 135-140 DEG C and is injection moulded.
2. a kind of preparation method of anti-static sole material according to claim 1, which is characterized in that step (1) is described
Supercritical carbon dioxide treatment pressure is 3-5MPa.
3. a kind of preparation method of anti-static sole material according to claim 1, which is characterized in that step (3) is described
The partial size of rectorite is 20-300nm.
4. a kind of preparation method of anti-static sole material according to claim 1, which is characterized in that step (4) is described
The concentration of gum arabic solution is 10-15%, and preparation method is to be add to deionized water gum arabic, in heating
It is stirred using the revolving speed of 300-400rpm, when being heated to 90-95 DEG C, raising speed to 600-700rpm stirs 10-15min, then cold
But to 70-75 DEG C, 1-2h is kept the temperature to get gum arabic solution.
5. a kind of preparation method of anti-static sole material according to claim 1, which is characterized in that step (5) is described
Lubricant is polyethylene wax, and antioxidant is irgasfos 168, and plasticizer is epoxidized soybean oil, and foaming agent is foaming agent OBSH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810869290.1A CN108948535A (en) | 2018-08-02 | 2018-08-02 | A kind of preparation method of anti-static sole material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810869290.1A CN108948535A (en) | 2018-08-02 | 2018-08-02 | A kind of preparation method of anti-static sole material |
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