CN115226992A - High-reliability low-charge accumulation state static conductive antistatic shoe and processing method - Google Patents

High-reliability low-charge accumulation state static conductive antistatic shoe and processing method Download PDF

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CN115226992A
CN115226992A CN202211066473.2A CN202211066473A CN115226992A CN 115226992 A CN115226992 A CN 115226992A CN 202211066473 A CN202211066473 A CN 202211066473A CN 115226992 A CN115226992 A CN 115226992A
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mixture
polyurethane acrylate
conductive
preparing
nami
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王秋峰
肖培玉
张留东
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Nantong Junjiang Material Technology Co ltd
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Nantong Junjiang Material Technology Co ltd
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    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole-and-heel integral units
    • A43B13/02Soles; Sole-and-heel integral units characterised by the material
    • A43B13/026Composites, e.g. carbon fibre or aramid fibre; the sole, one or more sole layers or sole part being made of a composite
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole-and-heel integral units
    • A43B13/14Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/22Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00Producing footwear
    • B29D35/02Producing footwear made in one piece using a moulding technique, e.g. by injection moulding or casting

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

The invention discloses a high-reliability low-charge accumulation state static conductive antistatic shoe and a processing method thereof, wherein the formula comprises the following components: polyurethane acrylate A material, polyurethane acrylate B material, foaming agent, catalyst, gelling agent, jun Jiang Nami conductive paste and color paste, wherein the processing method comprises the following steps of firstly, weighing raw materials; step two, preparing a mixture A; step three, preparing a mixture B; step four, preparing the antistatic shoes; in the first step, the proportion of the polyurethane acrylate material A to the polyurethane acrylate material B is 10-9; the invention improves the physical structure of the sole material, so that the conductive network is more uniform and has higher strength, and the wear resistance and the flexing resistance are greatly improved; meanwhile, the static accumulation of the sole is effectively reduced, a stable low charge state is formed, the static discharge spark energy is reduced, and the shoe sole has good safety, reliability and stability, does not precipitate or blacken, does not pollute the ground, and does not cause secondary pollution.

Description

High-reliability low-charge accumulation state static conductive antistatic shoe and processing method
Technical Field
The invention relates to the technical field of anti-static human body wearing devices, in particular to a high-reliability low-charge accumulation state static conductive anti-static shoe and a processing method thereof.
Background
The anti-static shoes are work shoes for reducing or eliminating static hazards, can guide static electricity from a human body to the ground, thereby eliminating the static electricity of the human body, and simultaneously effectively inhibiting dust generated by the walking of personnel in a dust-free room; in the prior art, the anti-static shoes are manufactured by adding carbon powder, or metal fiber, or an anion and cation anti-static agent, or a polymer anti-static agent into raw materials and forming soles through injection molding or foaming, and the anti-static shoes have certain defects:
1. the friction electrification is easy, the walking voltage is high and is generally more than 100V;
2. local equipotential is not easy to form;
3. typical point-to-point and point-to-ground resistances are generally in the range of 1E7-1E 10;
4. static electricity cannot be dissipated in time, and static electricity accumulation is easy to form;
5. the antistatic performance is unstable, the resistance fluctuation is large, the resistance is easily influenced by time, temperature, humidity and places, the resistance is increased after cleaning, and the resistance easily exceeds the upper limit in a dry and low-humidity environment, particularly in winter in the north;
6. the shoe body is not wear-resistant and is easy to fall off;
7. the solvent of the anion and cation type antistatic shoes is easy to separate out, and can cause secondary pollution when contacting other parts of human body when being worn.
Disclosure of Invention
The present invention provides a highly reliable low-charge accumulation state conductive antistatic shoe and a processing method thereof, so as to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the formula of the high-reliability low-charge accumulation state conductive antistatic shoes comprises: the adhesive comprises a polyurethane acrylate A material, a polyurethane acrylate B material, a foaming agent, a catalyst, a gelling agent, a Jun Jiang Nami conductive paste and a color paste, wherein the polyurethane acrylate A material, the polyurethane acrylate B material, the foaming agent, the catalyst, the gelling agent, the Jun Jiang Nami conductive paste and the color paste are respectively prepared from the following components in parts by weight: 18000g of urethane acrylate A material, 14400-16200g of urethane acrylate B material, 30-50g of foaming agent, 300-500g of catalyst, 50-80g of gelling agent, 850-1500g of monarch Jiang Nami conductive paste and 200-300g of color paste.
The processing method of the high-reliability low-charge accumulation state static conductive type antistatic shoe comprises the following steps of weighing raw materials; step two, preparing a mixture A; step three, preparing a mixture B; step four, preparing the antistatic shoes;
in the first step, the components in parts by weight are as follows: 18000g of urethane acrylate A material, 14400-16200g of urethane acrylate B material, 30-50g of foaming agent, 300-500g of catalyst, 50-80g of gelling agent, 850-1500g of monarch Jiang Nami conductive paste and 200-300g of color paste are subjected to raw material weighing;
in the second step, the polyurethane acrylate A material weighed in the first step, a foaming agent, a catalyst, a gelling agent, jun Jiang Nami conductive paste and color paste are put into a charging basket, and a proper amount of a hardening agent is added, and the mixture A is obtained after stirring and standing;
in the third step, the mixture prepared in the second step is transferred to a large material tank, the polyurethane acrylate B material weighed in the first step is added, and the mixture B is obtained after stirring;
and in the fourth step, the mixture B prepared in the third step is injected into a mold, the mold is closed, the foaming molding is carried out, the mold opening is carried out to obtain the sole, and the antistatic shoe is obtained after the upper surface is arranged on the sole.
Preferably, in the first step, the ratio of the urethane acrylate material A to the urethane acrylate material B is 10.
Preferably, in the second step, the stirring speed for preparing the mixture A is 7200r/min, the stirring time is 4min, and the standing time is 30min.
Preferably, in the third step, the stirring speed for preparing the mixture B is 7200r/min, and the stirring time is 10min.
Preferably, in the fourth step, the temperature of the mold is 30-40 ℃.
Preferably, in the fourth step, the time from injection to mold opening is about 3.5min.
Compared with the prior art, the invention has the beneficial effects that: the invention improves the physical structure of the sole material, so that the conductive network is more uniform and has higher strength, and the wear resistance and the bending resistance are greatly improved; meanwhile, the static accumulation of the sole is effectively reduced, a stable low charge state is formed, the static discharge spark energy is reduced, and the shoe sole has good safety, reliability and stability, does not precipitate or blacken, does not pollute the ground, and does not cause secondary pollution.
Drawings
FIG. 1 is a flow chart of a method of the present invention;
fig. 2 is a graph showing insulation properties of the antistatic shoe according to example 1 of the present invention at different temperatures.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1, a technical solution provided by the present invention:
example 1:
the high reliability low charge accumulation state static conductive antistatic shoes comprise the following formula: the adhesive comprises a polyurethane acrylate A material, a polyurethane acrylate B material, a foaming agent, a catalyst, a gelling agent, a Jun Jiang Nami conductive paste and a color paste, wherein the polyurethane acrylate A material, the polyurethane acrylate B material, the foaming agent, the catalyst, the gelling agent, the Jun Jiang Nami conductive paste and the color paste are respectively prepared from the following components in parts by weight: 18000g of urethane acrylate A material, 14400g of urethane acrylate B material, 50g of foaming agent, 500g of catalyst, 50g of gelling agent, 850g of Jun Jiang Nami conductive paste and 300g of color paste.
The processing method of the high-reliability low-charge accumulation state static conductive type antistatic shoe comprises the following steps of weighing raw materials; step two, preparing a mixture A; step three, preparing a mixture B; step four, preparing the antistatic shoes;
in the first step, the components in parts by weight are as follows: 18000g of a polyurethane acrylate A material, 14400g of a polyurethane acrylate B material, 50g of a foaming agent, 500g of a catalyst, 50g of a gelling agent, 850g of a monarch Jiang Nami conductive paste and 300g of a color paste; wherein the ratio of the polyurethane acrylate A material to the polyurethane acrylate B material is 10;
in the second step, the polyurethane acrylate A material weighed in the first step, the foaming agent, the catalyst, the gel, the Jun Jiang Nami conductive paste and the color paste are placed in a charging basket, an appropriate amount of hardening agent is added, the mixture is stirred for 4min at the speed of 7200r/min, and the mixture is kept stand for 30min to obtain a mixture A;
in the third step, the mixture prepared in the second step is transferred to a large charging bucket, the polyurethane acrylate B material weighed in the first step is added, and the mixture B is obtained after stirring for 10min at 7200 r/min;
in the fourth step, the mixture B prepared in the third step is injected into a mold, the mold is closed, the foaming forming is carried out, the mold opening is carried out to obtain a sole, and the upper surface is arranged on the sole to obtain the anti-static shoe; wherein the temperature of the mold is 40 ℃, and the time from injection to mold opening is about 3.5min.
Example 2:
the high reliability low charge accumulation state static conductive antistatic shoes comprise the following formula: the adhesive comprises a polyurethane acrylate A material, a polyurethane acrylate B material, a foaming agent, a catalyst, a gelling agent, a Jun Jiang Nami conductive paste and a color paste, wherein the polyurethane acrylate A material, the polyurethane acrylate B material, the foaming agent, the catalyst, the gelling agent, the Jun Jiang Nami conductive paste and the color paste are respectively prepared from the following components in parts by weight: 18000g of polyurethane acrylate A material, 15300g of polyurethane acrylate B material, 40g of foaming agent, 400g of catalyst, 65g of gelling agent, 1200g of monarch Jiang Nami conductive paste and 250g of color paste.
The processing method of the high-reliability low-charge accumulation state static conductive type antistatic shoe comprises the following steps of weighing raw materials; step two, preparing a mixture A; step three, preparing a mixture B; step four, preparing the antistatic shoes;
in the first step, the components in parts by weight are as follows: 18000g of a polyurethane acrylate A material, 15300g of a polyurethane acrylate B material, 40g of a foaming agent, 400g of a catalyst, 65g of a gelling agent, 1200g of a Jun Jiang Nami conductive paste and 250g of a color paste are subjected to raw material weighing; wherein the proportion of the polyurethane acrylate material A to the polyurethane acrylate material B is 10.5;
in the second step, the polyurethane acrylate A material weighed in the first step, a foaming agent, a catalyst, a gelling agent, jun Jiang Nami conductive paste and color paste are placed into a charging basket, a proper amount of a hardening agent is added, the mixture is stirred for 4min at 7200r/min, and the mixture is kept stand for 30min to obtain a mixture A;
in the third step, the mixture prepared in the second step is transferred to a large charging bucket, the polyurethane acrylate B material weighed in the first step is added, and the mixture B is obtained after stirring for 10min at 7200 r/min;
in the fourth step, the mixture B prepared in the third step is injected into a mold, the mold is closed, the foaming forming is carried out, the mold opening is carried out to obtain a sole, and the upper surface is arranged on the sole to obtain the anti-static shoe; wherein the temperature of the mold is 40 ℃, and the time from injection to mold opening is about 3.5min.
Example 3:
the high reliability low charge accumulation state static conductive antistatic shoes comprise the following formula: the adhesive comprises a polyurethane acrylate A material, a polyurethane acrylate B material, a foaming agent, a catalyst, a gelling agent, a Jun Jiang Nami conductive paste and a color paste, wherein the polyurethane acrylate A material, the polyurethane acrylate B material, the foaming agent, the catalyst, the gelling agent, the Jun Jiang Nami conductive paste and the color paste are respectively prepared from the following components in parts by weight: 18000g of polyurethane acrylate A material, 16200g of polyurethane acrylate B material, 30g of foaming agent, 300g of catalyst, 80g of gelling agent, 1500g of monarch Jiang Nami conductive paste and 200g of color paste.
The processing method of the high-reliability low-charge accumulation state static conductive type antistatic shoe comprises the following steps of weighing raw materials; step two, preparing a mixture A; step three, preparing a mixture B; step four, preparing the antistatic shoes;
in the first step, the components in parts by weight are as follows: 18000g of a polyurethane acrylate A material, 16200g of a polyurethane acrylate B material, 30g of a foaming agent, 300g of a catalyst, 80g of a gelling agent, 1500g of a Jun Jiang Nami conductive paste and 200g of a color paste are weighed; wherein the proportion of the polyurethane acrylate material A to the polyurethane acrylate material B is 10;
in the second step, the polyurethane acrylate A material weighed in the first step, a foaming agent, a catalyst, a gelling agent, jun Jiang Nami conductive paste and color paste are placed into a charging basket, a proper amount of a hardening agent is added, the mixture is stirred for 4min at 7200r/min, and the mixture is kept stand for 30min to obtain a mixture A;
in the third step, the mixture prepared in the second step is transferred to a large charging bucket, the polyurethane acrylate B material weighed in the first step is added, and the mixture B is obtained after stirring for 10min at 7200 r/min;
in the fourth step, the mixture B prepared in the third step is injected into a mold, the mold is closed, the foaming forming is carried out, the mold opening is carried out to obtain a sole, and the upper surface is arranged on the sole to obtain the anti-static shoe; wherein the temperature of the mold is 40 ℃, and the time from injection to mold opening is about 3.5min.
Example 1 Example 2 Example 3
Urethane acrylate A Material/g 18000 18000 18000
Urethane acrylate B material/g 14400 15300 16200
Blowing agent/g 50 40 30
Catalyst per gram 500 400 300
Gelling agent/g 50 65 80
Jun Jiang Nami conductive paste/g 850 1200 1500
Color paste/g 300 250 200
Table 1 table of raw material composition of each example
The antistatic shoes prepared in the above example 1 were taken and tested for various properties, the test results are shown in table 2, and the insulation properties of the antistatic shoes are compared with those of the ordinary antistatic shoes shown in fig. 2;
Figure BDA0003827858410000061
Figure BDA0003827858410000071
TABLE 2 Performance data sheet for antistatic shoes
Based on the above, the invention improves the sole formula of the antistatic shoe, so that the antistatic shoe has the following advantages:
1. low electrostatic charge accumulation, electrostatic discharge spark energy < 0.1 muJ;
2. the walking voltage of the human body is less than 30V;
3. the point-to-point and point-to-ground resistance can be controlled at 10 4 —10 6 Ω;
4. Electrostatic decay time 1000V → 100V, t < 0.02S;
5. the antistatic performance is stable, does not change along with the change of time, temperature, humidity and use places, and is particularly suitable for low-temperature and low-humidity environments;
6. the wear resistance is greatly improved, and the density is less than 0.9g/cm 3 The abrasion loss is 80-90g, and is about 220-280g under the conventional density standard;
7. no precipitation, no black discharge, no pollution to the ground and no secondary pollution;
8. the flexing resistance is improved, 4 ten thousand tests show that the crack is 0.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The formula of the high-reliability low-charge accumulation state conductive antistatic shoes comprises: polyurethane acrylate A material, polyurethane acrylate B material, foaming agent, catalyst, gelling agent, jun Jiang Nami conductive paste and color paste, and is characterized in that: the weight parts of the components are respectively as follows: 18000g of urethane acrylate A material, 14400-16200g of urethane acrylate B material, 30-50g of foaming agent, 300-500g of catalyst, 50-80g of gelling agent, 850-1500g of monarch Jiang Nami conductive paste and 200-300g of color paste.
2. The processing method of the high-reliability low-charge accumulation state static conductive type antistatic shoe comprises the following steps of weighing raw materials; step two, preparing a mixture A; step three, preparing a mixture B; step four, preparing the antistatic shoes; the method is characterized in that:
in the first step, the components in parts by weight are as follows: 18000g of urethane acrylate A material, 14400-16200g of urethane acrylate B material, 30-50g of foaming agent, 300-500g of catalyst, 50-80g of gelling agent, 850-1500g of monarch Jiang Nami conductive paste and 200-300g of color paste are subjected to raw material weighing;
in the second step, the polyurethane acrylate A material weighed in the first step, a foaming agent, a catalyst, a gelling agent, jun Jiang Nami conductive paste and color paste are put into a charging basket, and a proper amount of a hardening agent is added, and the mixture A is obtained after stirring and standing;
in the third step, the mixture prepared in the second step is transferred to a large material tank, the polyurethane acrylate B material weighed in the first step is added, and the mixture B is obtained after stirring;
and in the fourth step, the mixture B prepared in the third step is injected into a mold, the mold is closed, the foaming molding is carried out, the mold opening is carried out to obtain the sole, and the antistatic shoe is obtained after the upper surface is arranged on the sole.
3. The method of claim 2, wherein the method further comprises the steps of: in the first step, the ratio of the polyurethane acrylate material A to the polyurethane acrylate material B is 10-9.
4. The method for manufacturing the highly reliable low-charge-accumulation conductive electrostatic shoes according to claim 2, wherein: in the second step, the stirring speed of the mixture A is 7200r/min, the stirring time is 4min, and the standing time is 30min.
5. The method of claim 2, wherein the method further comprises the steps of: in the third step, the stirring speed for preparing the mixture B is 7200r/min, and the stirring time is 10min.
6. The method of claim 2, wherein the method further comprises the steps of: in the fourth step, the temperature of the die is 30-40 ℃.
7. The method for manufacturing the highly reliable low-charge-accumulation conductive electrostatic shoes according to claim 2, wherein: in the fourth step, the time from injection to mold opening is about 3.5min.
CN202211066473.2A 2022-09-01 2022-09-01 High-reliability low-charge accumulation state static conductive antistatic shoe and processing method Pending CN115226992A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06335401A (en) * 1993-04-01 1994-12-06 Achilles Corp Conductive slipper
CN1576271A (en) * 2003-07-15 2005-02-09 株式会社海思科 Urethane polyol prepolymer, porous polyurethane sheet and method of preparing the same
CN102504519A (en) * 2011-10-31 2012-06-20 苏州新纶超净技术有限公司 Anti-static polyurethane material for manufacturing shoe soles, shoe sole manufacturing method and manufacturing method of dual-density polyurethane safety shoe soles
CN112940486A (en) * 2021-01-26 2021-06-11 苏州天华超净科技股份有限公司 Polyurethane material for anti-static shoe sole and anti-static shoe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06335401A (en) * 1993-04-01 1994-12-06 Achilles Corp Conductive slipper
CN1576271A (en) * 2003-07-15 2005-02-09 株式会社海思科 Urethane polyol prepolymer, porous polyurethane sheet and method of preparing the same
CN102504519A (en) * 2011-10-31 2012-06-20 苏州新纶超净技术有限公司 Anti-static polyurethane material for manufacturing shoe soles, shoe sole manufacturing method and manufacturing method of dual-density polyurethane safety shoe soles
CN112940486A (en) * 2021-01-26 2021-06-11 苏州天华超净科技股份有限公司 Polyurethane material for anti-static shoe sole and anti-static shoe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
(日)大森英三著;张育川等译: "《功能性丙烯酸树脂》", 化学工业出版社, pages: 534 - 536 *

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