CN103910924B - A kind of anti-electrostatic EVA material and preparation method thereof - Google Patents
A kind of anti-electrostatic EVA material and preparation method thereof Download PDFInfo
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- CN103910924B CN103910924B CN201410157615.5A CN201410157615A CN103910924B CN 103910924 B CN103910924 B CN 103910924B CN 201410157615 A CN201410157615 A CN 201410157615A CN 103910924 B CN103910924 B CN 103910924B
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- electrostatic
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- eva material
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- 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
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/08—Copolymers of ethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—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
- C08J2423/16—Ethene-propene or ethene-propene-diene copolymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
Abstract
The invention discloses a kind of anti-electrostatic EVA material and preparation method thereof, anti-electrostatic EVA material comprises following component: EVA60-70 part; EPDM10-20 part; Graphitized carbon black 5-15 part; Talcum powder 5-15 part; White oil 1-5 part; Whipping agent 1-5 part; Coupling agent 0.2-0.6 part; Zinc white 0.5-1.5 part; Stearic acid 0.5-1.5 part; With parts by weight.Its production method comprises banburying, opens the steps such as refining, granulation and foaming.The present invention is that bed material is made with EVA, can permanent anti-electrostatic, does not affect, also can keep very high stability under low temperature, high temperature bad border, not easily occur aging by moist bad border.
Description
Technical field
The present invention relates to antistatic material technical field, particularly relate to a kind of anti-electrostatic EVA(ethylene-vinyl acetate copolymer material) technical field.
Background technology
At some special occasions, very high to the requirement of anti-electrostatic, aspect as a lot of in service station needs to use antistatic material.Precise electronic part in some electronic product is also be afraid of electrostatic very much, also needs to use the material of anti-electrostatic make or protected.
Existing antistatic material, some can not permanent antistatic, and some material itself is easily aging, and use cost is very high.A kind of Antistatic sole disclosed in notification number CN202051031U, sole adds graphitized carbon black to reach permanent antistatic effect by polyethylene foam formed material, but it is short for work-ing life that the material behavior of polyethylene itself determines this antistatic material, use cost is taken high, also inconvenient during replacing.
Summary of the invention
Goal of the invention: the object of the invention is to for the deficiencies in the prior art, provides that a kind of preparation cost is low, life cycle is long can permanent antistatic EVA material.
Technical scheme: anti-electrostatic EVA material of the present invention, comprises following component:
EVA26%VA60-70 part;
EPDM(terpolymer EP rubber) 572510-20 part;
Graphitized carbon black N9905-15 part;
Talcum powder 5-15 part;
White oil 1-5 part;
Whipping agent 1-5 part;
Coupling agent 0.2-0.6 part;
Zinc white 0.5-1.5 part;
Stearic acid 0.5-1.5 part
With parts by weight.
Preferably, described anti-electrostatic EVA material, comprises following component:
EVA26%VA65 part;
EPDM572515 part;
Graphitized carbon black N99010 part;
Talcum powder 10 parts;
White oil 3 parts;
Whipping agent 3 parts;
Coupling agent 0.4 part;
Zinc white 1 part;
Stearic acid 1 part
With parts by weight.
EVA26%VA, EPDM, talcum powder, white oil, whipping agent, coupling agent, zinc white, stearic acid are first prepared banburying by preparation method of the present invention by weight, then graphitized carbon black banburying is added, 110 DEG C are maintained the temperature at, air pressure 0.7-0.8kg, banburying 10 minutes during banburying; Again by banburying gained mixture at temperature 80 DEG C-90 DEG C, open refining 15mm1 time, 1mm1 time; Obtain mixture after opening refining and carry out granulation, prilling temperature is at 80 DEG C-85 DEG C, and water coolant must keep smooth and easy; Finally gained particle is sent into the foaming of foaming board, foaming board temperature 165 DEG C, 10 minutes time, pressure 170kg; Material is parked cooling and is obtained described anti-electrostatic EVA material after 6 hours.
Beneficial effect of the present invention is that material is that bed material is made with EVA, can not affect, also can keep very high stability under low temperature, high temperature bad border, not easily occur aging, long service life by moist bad border; The materials such as the graphitized carbon black mixing effect that can reach permanent anti-electrostatic is together added in material.
Embodiment
Below technical solution of the present invention is described in detail, but protection scope of the present invention is not limited to described embodiment.
The raw material used in the embodiment of the present invention is commercially available prod, originates as follows: EVA26%VA (Dongguan Kai Rui plastic material company limited produces EVA7470); EPDM5725(Tianjin Ding Xing rubber and plastic company limited product); Graphitized carbon black (Guangzhou Li Ben rubber raw materials company limited produces N220); Talcum powder (Bo Zhen Chemical Co., Ltd. of Foshan City produces chemical grade talcum powder); White oil (Wuxi City Xin Su grease company limited produces industrial grade white oil); Whipping agent (Shanghai Jie Yu Trade Co., Ltd. produces EVA whipping agent); Coupling agent (KH-570 is produced in Nanjing forward Chemical Co., Ltd.); Zinc white (Guangzhou is opened up hundred million trade Co., Ltds and produced indirect method 99.7% zinc white); Stearic acid (reported in Tianhe district of Guangzhou grand sight intelligence industry chemical industry produces 1801 stearic acid).
embodiment 1:the raw material of following parts by weight is carried out banburying:
EVA26%VA60 part
EPDM572510 part
Talcum powder 5 parts
White oil 1 part
Whipping agent 1 part
Coupling agent 0.2 part
Zinc white 0.5 part
Stearic acid 0.5 part
Then add graphitized carbon black N9905 part and continue banburying, during banburying, maintain the temperature at 110 DEG C, under air pressure 0.7kg, banburying 10 minutes; By the mixture that obtains at temperature 80 DEG C, open refining 15mm1 time, 1mm1 time; Carry out granulation after opening refining, prilling temperature is at 80 DEG C, and water coolant must keep smooth and easy; Finally gained particle is sent into the foaming of foaming board, control at 165 DEG C, 10 minutes time, pressure 170kg by foaming board temperature, material is parked after 6 hours and is detected.
embodiment 2:the raw material of following parts by weight is carried out banburying:
EVA26%VA70 part
EPDM572520 part
Talcum powder 15 parts
White oil 5 parts
Whipping agent 5 parts
Coupling agent 0.6 part
Zinc white 1.5 parts
Stearic acid 1.5 parts
Then add graphitized carbon black N99015 part and continue banburying, during banburying, temperature remains on 110 DEG C, under air pressure 0.8kg, and banburying 10 minutes; By the mixture that obtains at temperature 90 DEG C, open refining 15mm1 time, 1mm1 time; Carry out granulation after opening refining, prilling temperature is at 85 DEG C, and water coolant must keep smooth and easy; Finally gained particle is sent into the foaming of foaming board, control at 165 DEG C, 10 minutes time, pressure 170kg by foaming board temperature, material is parked after 6 hours and is detected.
embodiment 3:the raw material of following parts by weight is carried out banburying:
EVA26%VA65 part
EPDM572515 part
Talcum powder 10 parts
White oil 3 parts
Whipping agent 3 parts
Coupling agent 0.4 part
Zinc white 1 part
Stearic acid 1 part
Then add graphitized carbon black N99010 part and continue banburying, during banburying, temperature remains on 110 DEG C, under air pressure 0.8kg, and banburying 10 minutes; By the mixture that obtains at temperature 90 DEG C, open refining 15mm1 time, 1mm1 time; Carry out granulation after opening refining, prilling temperature is at 85 DEG C, and water coolant must keep smooth and easy; Finally gained particle is sent into the foaming of foaming board, control at 165 DEG C, 10 minutes time, pressure 170kg by foaming board temperature, material is parked after 6 hours and is detected.
Electric conductive shoe sole material of the present invention, performance detects according to national standard, and wherein cohesive force detects according to GB GB/T11211-1989, and tensile strength and tensile yield detect according to GB/T528-1998, conductivity detects according to GB4386-84, and detected result is in table 1.
Table 1 embodiment 1-3 product performance detected result.
| Product | Cohesive force (MPa) | Tensile strength (MPa) | Tensile yield (%) | Conductivity (k Ω) |
| Embodiment 1 | 3.23 | 23.1 | 645 | 495 |
| Embodiment 2 | 3.35 | 24.2 | 619 | 490 |
| Embodiment 3 | 3.21 | 21.7 | 626 | 501 |
As mentioned above, although represented with reference to specific preferred embodiment and described the present invention, it shall not be construed as the restriction to the present invention self.Under the spirit and scope of the present invention prerequisite not departing from claims definition, various change can be made in the form and details to it.
Claims (2)
1. an anti-electrostatic EVA material, is characterized in that being made up of following component:
EVA26%VA60-70 part;
EPDM572510-20 part;
Graphitized carbon black N9905-15 part;
Talcum powder 5-15 part;
White oil 1-5 part;
Whipping agent 1-5 part;
Coupling agent 0.2-0.6 part;
Zinc white 0.5-1.5 part;
Stearic acid 0.5-1.5 part;
With parts by weight;
Prepared the method for anti-electrostatic EVA material by above component, comprise the following steps:
1. banburying: EVA26%VA, EPDM5725, talcum powder, white oil, whipping agent, coupling agent, zinc white, stearic acid are prepared banburying by weight, then add graphitized carbon black N990 and continue banburying, 105 DEG C-115 DEG C are maintained the temperature at, air pressure 0.7-0.8kg banburying time 8-12 minute during banburying;
2. open refining: by banburying gained mixture at temperature 80 DEG C-90 DEG C, open refining 15mm1 time, 1mm1 time;
3. granulation: obtain mixture pelleting after refining will be opened, prilling temperature is at 80 DEG C ~ 85 DEG C, and water coolant keeps smooth and easy;
4. foam: gained particle is sent into the foaming of foaming board, foaming board temperature 160 DEG C-170 DEG C, time 8-12 minute, pressure 165kg-175kg;
5. cool: material obtains described anti-electrostatic EVA material after parking cooling in 6 hours.
2. anti-electrostatic EVA material according to claim 1, is characterized in that being made up of following component:
EVA26%VA65 part;
EPDM572515 part;
Graphitized carbon black N99010 part;
Talcum powder 10 parts;
White oil 3 parts;
Whipping agent 3 parts;
Coupling agent 0.4 part;
Zinc white 1 part;
Stearic acid 1 part.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410157615.5A CN103910924B (en) | 2014-04-21 | 2014-04-21 | A kind of anti-electrostatic EVA material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410157615.5A CN103910924B (en) | 2014-04-21 | 2014-04-21 | A kind of anti-electrostatic EVA material and preparation method thereof |
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| CN103910924A CN103910924A (en) | 2014-07-09 |
| CN103910924B true CN103910924B (en) | 2016-02-03 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104788741B (en) * | 2015-03-18 | 2017-01-25 | 南京东亚橡塑制品有限公司 | Composite sole combined by natural rubber and EVA and preparation process thereof |
| CN106009316B (en) * | 2016-06-16 | 2018-08-03 | 林树枫 | A kind of micro-pore elastomer and preparation method thereof with high damping energy |
| CN107033445A (en) * | 2017-04-30 | 2017-08-11 | 苏州南尔材料科技有限公司 | A kind of preparation method of anlistatig foam composite material |
| KR102148974B1 (en) * | 2019-11-27 | 2020-08-28 | 한화솔루션 주식회사 | Anti-slip conductive resin composition and molded article comprising thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1335221A (en) * | 2000-07-20 | 2002-02-13 | 张国祥 | Antistatic foamed rubber and its production process |
| CN102816363A (en) * | 2011-06-07 | 2012-12-12 | 东莞市宏恩塑胶制品有限公司 | High-resilience flame-retarding antistatic foamed polyethylene material |
| CN103289179A (en) * | 2013-06-18 | 2013-09-11 | 新侨伟（福建）鞋服有限公司 | High-elasticity sneaker air cushion sole and production method thereof |
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2014
- 2014-04-21 CN CN201410157615.5A patent/CN103910924B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1335221A (en) * | 2000-07-20 | 2002-02-13 | 张国祥 | Antistatic foamed rubber and its production process |
| CN102816363A (en) * | 2011-06-07 | 2012-12-12 | 东莞市宏恩塑胶制品有限公司 | High-resilience flame-retarding antistatic foamed polyethylene material |
| CN103289179A (en) * | 2013-06-18 | 2013-09-11 | 新侨伟（福建）鞋服有限公司 | High-elasticity sneaker air cushion sole and production method thereof |
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Effective date of registration: 20180620 Address after: 210031 Puzhu Middle Road, Pukou District, Nanjing, Jiangsu 209 Patentee after: NANJING JIHUA NO.5302 GARMENTS AND OUTFITS CO., LTD. Address before: 211200 No. 10 Xing Zhuang Road, Lishui Economic Development Zone, Nanjing, Jiangsu Patentee before: East Asia, Nanjing product of rubber and plastic company limited |