CN108384180A - A kind of antistatic polyoxymethylene resin - Google Patents
A kind of antistatic polyoxymethylene resin Download PDFInfo
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- CN108384180A CN108384180A CN201810197174.XA CN201810197174A CN108384180A CN 108384180 A CN108384180 A CN 108384180A CN 201810197174 A CN201810197174 A CN 201810197174A CN 108384180 A CN108384180 A CN 108384180A
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- antistatic
- polyoxymethylene resin
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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
- C08L59/00—Compositions of polyacetals; Compositions of derivatives of polyacetals
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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Abstract
The invention discloses a kind of antistatic polyoxymethylene resins, include the component of following parts by weight：55 85 parts of polyformaldehyde；28 parts of antistatic agent；14 parts of conductive fiber；15 25 parts of polytetrafluoroethylene (PTFE)；35 parts of white carbon；35 parts of vinyl silicone oil；58 parts of polyether modified silicon oil；4 10 parts of compatilizer.The present invention improves the antistatic property of acetal resin by the way that antistatic agent is added, it adds conductive fiber simultaneously and polytetrafluoroethylene (PTFE) is further modified, not only increase the electric conductivity and tensile strength of polyformaldehyde, good wearability can also be brought due to polytetrafluoroethylene (PTFE), white carbon, vinyl silicone oil are as reinforced filling, it can be good at linking with polyformaldehyde under the action of compatilizer, further increase the intensity of polyformaldehyde finished product.
Description
Technical field
The present invention relates to macromolecule engineering plastics, more specifically, it relates to a kind of antistatic polyoxymethylene resin.
Background technology
Polyformaldehyde (POM) is a kind of engineering plastics of high comprehensive performance, is widely used in automobile, electronic apparatus, family
The industries such as electrical appliance, machinery and construction material, and since POM has excellent friction and wear characteristic, as such as gear, cunning
The various power drive and transmission components such as wheel, slideway or sliding rail are using also increasingly wider, therefore these components are generated because of friction
Electrostatic charge will also result in various accidental damages.
Moreover, because POM itself has excellent electrical insulating property, it is easy to cause the accumulation of charge, to applied to above-mentioned
POM in field is required for carrying out a degree of antistatic modified, another aspect, and due to the thermal stability of POM itself
Poor, common low interface activating agent antistatic agent easily causes POM and is acutely decomposed in processing and forming because polarity is stronger, past
Even if the finished product obtained toward production has certain antistatic property, but declined in the performance of self-strength etc..
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of antistatic polyoxymethylene resin, reach
While imparting acetal resin good antistatic property, it may have the effect of good intensity meets more application neck
Domain.
To achieve the above object, the present invention provides following technical solutions：A kind of antistatic polyoxymethylene resin, including it is as follows
The component of parts by weight：55-85 parts of polyformaldehyde；2-8 parts of antistatic agent；1-4 parts of conductive fiber；15-25 parts of polytetrafluoroethylene (PTFE)；In vain
3-5 parts of carbon black；3-5 parts of vinyl silicone oil；5-8 parts of polyether modified silicon oil；4-10 parts of compatilizer.
Through the above technical solutions, improve the antistatic property of acetal resin by the way that antistatic agent is added, while addition is led
Electric fiber and polytetrafluoroethylene (PTFE) are further modified, and not only increase the electric conductivity and tensile strength of polyformaldehyde, moreover it is possible to due to polytetrafluoro
Ethylene and bring good wearability, white carbon, vinyl silicone oil, can be fine under the action of compatilizer as reinforced filling
With polyformaldehyde link, further increase the intensity of polyformaldehyde finished product；And polyether modified silicon oil can not only be used as antistatic agent
Excellent antistatic property is brought for polyformaldehyde, and it also has the function of certain compatilizer, can increase polytetrafluoroethylene (PTFE)
Compatibility between polyformaldehyde.
Further preferably：A kind of antistatic polyoxymethylene resin, includes the component of following parts by weight：Polyformaldehyde 60-65
Part；2-5 parts of antistatic agent；1-3 parts of conductive fiber；18-23 parts of polytetrafluoroethylene (PTFE)；3-5 parts of white carbon；3-5 parts of vinyl silicone oil；
5-7 parts of polyether modified silicon oil；5-8 parts of compatilizer.
Further preferably：The antistatic agent is ethoxylated alkylamine, the cruel amine of ethyoxyl bay, glycerine monostearate
At least one of ester.
Through the above technical solutions, using above-mentioned non-ionic antistatic agent, can be good at and acetal resin phase
It is used cooperatively, the charge on acetal resin surface is timely dredged into dissipation.
Further preferably：Further include the antioxidant that parts by weight are 1-4 parts, the antioxidant is 2,4,6- tri-terts
At least one of phenol, Inganox245, Inganox1010.
Further preferably：Further include the formaldehyde absorbent that parts by weight are 3-5 parts, the formaldehyde absorbent is melamine
One kind in amine, dicyandiamide.
Through the above technical solutions, formaldehyde absorbent can effectively absorb formaldehyde and its smell, user is reduced not
Good impression.
Further preferably：It further include the mixture at grey antimony powder end and vulcanization nickel by powder that parts by weight are 0.5-0.8 parts.
Through the above technical solutions, grey antimony and vulcanization nickel by powder have the cold characteristic to rise of pyrocondensation, it is dispersed in poly-
When in formaldehyde resin, different from itself expanding with heat and contract with cold answer can be brought for acetal resin in each heating and cooling
Power, to reduce the deviation that the external size of polyformaldehyde is generated in cold and hot temperature, especially pulley and other precision instruments as possible,
The precision for improving structure, prolongs the service life.
Further preferably：Further include the EPDM that parts by weight are 20-28 parts, and the number-average molecular weight of the EPDM is
15-20 ten thousand, the Mooney viscosity ML+4 at 125 DEG C are 46.
Through the above technical solutions, EPDM has wearability very outstanding, in compatilizer and polyether modified silicon oil
It under effect, is well combined with polyformaldehyde, assigns acetal resin excellent wearability.
Further preferably：The compatilizer is Polyolefin Grafted Maleic Anhydride copolymer, acrylic acid-grafted maleic anhydride
At least one of polymer, epoxy group grafted maleic anhydride polymer.
Through the above technical solutions, using the compatilizer of above-mentioned response type, the non-polar high polymer main body that has can be with
Nonpolar polyformaldehyde is compatible, and polar group can react or be bonded with the active group of the polar polymer of blend, therefore
Good compatible role can be played, less using measuring, com-patibilising effect is preferable.
Further preferably：The conductive fiber is at least one of carbon fiber, steel fibre and conductive yam.
Through the above technical solutions, using suitable conductive fiber, good conductive effect can not only be played, in time will
The charge evacuation gathered on polyformaldehyde outer surface, additionally it is possible to significantly promote the tensile strength of polyformaldehyde.
In conclusion the invention has the advantages that：Using antistatic agent and conductive fiber to polyformaldehyde simultaneously into
Row is modified so that polyformaldehyde obtains good antistatic property and electric conductivity；Meanwhile compatilizer and polyether modified silicon oil is added, make
Obtaining the modified fillers such as white carbon, vinyl silicone oil and polytetrafluoroethylene (PTFE) can link with polyformaldehyde well, not only so that polyformaldehyde
Integral strength is remarkably enhanced, and also gives good wear-resisting property.
Specific implementation mode
With reference to embodiment, the present invention will be described in detail.
Embodiment 1-8：A kind of antistatic polyoxymethylene resin, including component and its corresponding weight it is as shown in table 1.Wherein phase
Appearance agent is Polyolefin Grafted Maleic Anhydride copolymer, and the antistatic agent is ethoxylated alkylamine, and the conductive fiber is carbon
Fiber.
Component and its corresponding weight table (kg) in 1 embodiment 1-8 of table
Embodiment 9：A kind of antistatic polyoxymethylene resin, with embodiment 1 difference lies in, further include the antioxidant of 1.5kg,
Antioxidant is the compound of Inganox245 and Inganox1010.
Embodiment 10：A kind of antistatic polyoxymethylene resin, difference lies in further include the antioxygen of 3.8kg with embodiment 1
Agent, antioxidant are the compound of Inganox245 and Inganox1010.
Embodiment 11：A kind of antistatic polyoxymethylene resin, difference lies in further include the formaldehyde suction of 3.2kg with embodiment 1
Agent is received, formaldehyde absorbent is melamine.
Embodiment 12：A kind of antistatic polyoxymethylene resin, difference lies in further include the formaldehyde absorption of 5kg with embodiment 1
Agent, formaldehyde absorbent are dicyandiamide.
Embodiment 13：A kind of antistatic polyoxymethylene resin, difference lies in further include the grey antimony powder of 0.5kg with embodiment 1
The mixture at end and vulcanization nickel by powder.
Embodiment 14：A kind of antistatic polyoxymethylene resin, difference lies in further include the grey antimony powder of 0.8kg with embodiment 1
The mixture at end and vulcanization nickel by powder.
Embodiment 15：A kind of antistatic polyoxymethylene resin, with embodiment 1 difference lies in, further include the EPDM of 26kg,
The number-average molecular weight of EPDM is 15-20 ten thousand, and the Mooney viscosity ML+4 at 125 DEG C is 46.
Embodiment 16：A kind of antistatic polyoxymethylene resin, difference lies in further include the EPDM of 21kg with embodiment 15.
Embodiment 17：A kind of antistatic polyoxymethylene resin, difference lies in compatilizer is acrylic acid-grafted with embodiment 1
Maleic anhydride polymer.
Embodiment 18：A kind of antistatic polyoxymethylene resin, difference lies in conductive fiber is conductive yam with embodiment 1.
Embodiment 19-24：A kind of antistatic polyoxymethylene resin, difference lies in, the components that contain and its right with embodiment 1
The weight answered is as shown in table 2.
Each component and its weight table (kg) in 2 embodiment 19-24 of table
Comparative example 1-16：A kind of antistatic polyoxymethylene resin, difference lies in, the components that contain and its right with embodiment 19
The weight answered is as shown in table 3.
Each component and its corresponding weight (kg) in 3 comparative example 1-16 of table
Table 3- continues each component and its corresponding weight (kg) in comparative example 1-16
Characterization experiment
Test 1 tensile strength test
Subjects：According to acetal resin obtained in embodiment 1-24 and comparative example 1-16 as subjects, amount to 40
Group.
Test method：According to GB1040-92 standard test tensile properties, tensile speed 50mm/min is taken.
Experimental result：The tensile strength test result of 40 groups of subjects is recorded into table 4.
4 tensile strength test result record sheet (MPa) of table
| Group | Intensity | Group | Intensity | Group | Intensity | Group | Intensity |
| Embodiment 1 | 73.6 | Embodiment 11 | 72.8 | Embodiment 21 | 84.3 | Comparative example 7 | 80.1 |
| Embodiment 2 | 73.5 | Embodiment 12 | 72.7 | Embodiment 22 | 83.2 | Comparative example 8 | 80.3 |
| Embodiment 3 | 74.2 | Embodiment 13 | 72.4 | Embodiment 23 | 81.2 | Comparative example 9 | 80.2 |
| Embodiment 4 | 77.1 | Embodiment 14 | 72.5 | Embodiment 24 | 83.6 | Comparative example 10 | 80.1 |
| Embodiment 5 | 71.3 | Embodiment 15 | 80.5 | Comparative example 1 | 80.0 | Comparative example 11 | 74.5 |
| Embodiment 6 | 71.5 | Embodiment 16 | 80.1 | Comparative example 2 | 78.2 | Comparative example 12 | 71.6 |
| Embodiment 7 | 72.6 | Embodiment 17 | 72.4 | Comparative example 3 | 79.2 | Comparative example 13 | 72.2 |
| Embodiment 8 | 73.1 | Embodiment 18 | 72.8 | Comparative example 4 | 76.5 | Comparative example 14 | 78.6 |
| Embodiment 9 | 72.7 | Embodiment 19 | 80.2 | Comparative example 5 | 77.0 | Comparative example 15 | 70.1 |
| Embodiment 10 | 72.4 | Embodiment 20 | 79.5 | Comparative example 6 | 79.2 | Comparative example 16 | 75.2 |
Test the experiment of 2 impact strengths
Subjects：According to acetal resin obtained in embodiment 1-24 and comparative example 1-16 as subjects, amount to 40
Group.
Test method：According to GB1843-96 standard test impact properties.
Experimental result：The impact strength test result of 40 groups of subjects is recorded into table 5.
5 impact strength experimental result record sheet (MJ/m of table2)
| Group | Intensity | Group | Intensity | Group | Intensity | Group | Intensity |
| Embodiment 1 | 8.4 | Embodiment 11 | 8.5 | Embodiment 21 | 8.7 | Comparative example 7 | 7.8 |
| Embodiment 2 | 8.0 | Embodiment 12 | 8.3 | Embodiment 22 | 8.7 | Comparative example 8 | 8.5 |
| Embodiment 3 | 8.1 | Embodiment 13 | 8.3 | Embodiment 23 | 8.4 | Comparative example 9 | 8.6 |
| Embodiment 4 | 8.5 | Embodiment 14 | 8.4 | Embodiment 24 | 8.5 | Comparative example 10 | 8.6 |
| Embodiment 5 | 8.6 | Embodiment 15 | 8.6 | Comparative example 1 | 8.6 | Comparative example 11 | 8.1 |
| Embodiment 6 | 8.4 | Embodiment 16 | 8.6 | Comparative example 2 | 7.6 | Comparative example 12 | 7.5 |
| Embodiment 7 | 8.2 | Embodiment 17 | 8.3 | Comparative example 3 | 7.9 | Comparative example 13 | 6.5 |
| Embodiment 8 | 8.4 | Embodiment 18 | 8.5 | Comparative example 4 | 7.1 | Comparative example 14 | 7.9 |
| Embodiment 9 | 8.4 | Embodiment 19 | 8.6 | Comparative example 5 | 7.2 | Comparative example 15 | 6.0 |
| Embodiment 10 | 8.3 | Embodiment 20 | 8.5 | Comparative example 6 | 8.4 | Comparative example 16 | 8.1 |
Test the experiment of 3 surface resistivities
Subjects：According to acetal resin obtained in embodiment 1-24 and comparative example 1-16 as subjects, amount to 40
Group.
Test method：According to GB/T 1410-1989 standard test impact properties.
Experimental result：The surface resistivity logging of 40 groups of subjects is entered in table 6.
6 surface resistivity experimental result record sheet (Ω) of table
Test 4 linear expansions experiment
Subjects：According to acetal resin obtained in embodiment 1-24 and comparative example 1-16 as subjects, amount to 40
Group.
Test method：Using WTD-2 type thermal dilatometers, shows poor method according to contact, take standard quartz glass bar and stone
English glass tube and subjects determine at middle temperature.
Experimental result：The linear expansion elongation logging of 40 groups of subjects is entered in table 7.
7 linear expansion elongation logging table (mm) of table
| Group | Elongation | Group | Elongation | Group | Elongation | Group | Elongation |
| Embodiment 1 | 0.6 | Embodiment 11 | 0.7 | Embodiment 21 | 0.2 | Comparative example 7 | 0.4 |
| Embodiment 2 | 0.8 | Embodiment 12 | 0.6 | Embodiment 22 | 0.2 | Comparative example 8 | 0.3 |
| Embodiment 3 | 0.7 | Embodiment 13 | 0.3 | Embodiment 23 | 0.3 | Comparative example 9 | 0.3 |
| Embodiment 4 | 0.5 | Embodiment 14 | 0.2 | Embodiment 24 | 0.2 | Comparative example 10 | 0.6 |
| Embodiment 5 | 0.7 | Embodiment 15 | 0.6 | Comparative example 1 | 0.3 | Comparative example 11 | 0.3 |
| Embodiment 6 | 0.6 | Embodiment 16 | 0.5 | Comparative example 2 | 0.4 | Comparative example 12 | 0.4 |
| Embodiment 7 | 0.5 | Embodiment 17 | 0.7 | Comparative example 3 | 0.4 | Comparative example 13 | 0.3 |
| Embodiment 8 | 0.6 | Embodiment 18 | 0.6 | Comparative example 4 | 0.3 | Comparative example 14 | 0.4 |
| Embodiment 9 | 0.7 | Embodiment 19 | 0.3 | Comparative example 5 | 0.3 | Comparative example 15 | 0.4 |
| Embodiment 10 | 0.8 | Embodiment 20 | 0.2 | Comparative example 6 | 0.4 | Comparative example 16 | 0.7 |
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of antistatic polyoxymethylene resin, which is characterized in that include the component of following parts by weight：55-85 parts of polyformaldehyde；It is anti-
2-8 parts of electrostatic agent；1-4 parts of conductive fiber；15-25 parts of polytetrafluoroethylene (PTFE)；3-5 parts of white carbon；3-5 parts of vinyl silicone oil；Polyethers
5-8 parts of modified silicon oil；4-10 parts of compatilizer.
2. a kind of antistatic polyoxymethylene resin according to claim 1, which is characterized in that include the group of following parts by weight
Point：60-65 parts of polyformaldehyde；2-5 parts of antistatic agent；1-3 parts of conductive fiber；18-23 parts of polytetrafluoroethylene (PTFE)；3-5 parts of white carbon；Second
3-5 parts of alkenyl silicone oil；5-7 parts of polyether modified silicon oil；5-8 parts of compatilizer.
3. a kind of antistatic polyoxymethylene resin according to claim 1, which is characterized in that the antistatic agent is ethyoxyl
Change at least one of alkylamine, the cruel amine of ethyoxyl bay, monostearin.
4. a kind of antistatic polyoxymethylene resin according to claim 1, which is characterized in that further include parts by weight be 1-4
The antioxidant of part, the antioxidant are at least one of 2,4,6- tri-butyl-phenols, Inganox245, Inganox1010.
5. a kind of antistatic polyoxymethylene resin according to claim 1, which is characterized in that further include parts by weight be 3-5
The formaldehyde absorbent of part, the formaldehyde absorbent are one kind in melamine, dicyandiamide.
6. a kind of antistatic polyoxymethylene resin according to claim 1, which is characterized in that further include parts by weight be 0.5-
The mixture at 0.8 part of grey antimony powder end and vulcanization nickel by powder.
7. a kind of antistatic polyoxymethylene resin according to claim 1, which is characterized in that further include parts by weight be 20-
28 parts of EPDM, and the number-average molecular weight of the EPDM is 15-20 ten thousand, the Mooney viscosity ML+4 at 125 DEG C is 46.
8. a kind of antistatic polyoxymethylene resin according to claim 1, which is characterized in that the compatilizer connects for polyolefin
At least one in branch copolymer-maleic anhydride, acrylic acid-grafted maleic anhydride polymer, epoxy group grafted maleic anhydride polymer
Kind.
9. a kind of antistatic polyoxymethylene resin according to claim 1, which is characterized in that the conductive fiber is carbon fiber
At least one of dimension, steel fibre and conductive yam.
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| CN201810197174.XA CN108384180A (en) | 2018-03-10 | 2018-03-10 | A kind of antistatic polyoxymethylene resin |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093006A (en) * | 2019-04-08 | 2019-08-06 | 苏州威瑞成新材料有限公司 | A kind of wear-resisting modified polyformaldehyde material |
| CN111073451A (en) * | 2019-12-13 | 2020-04-28 | 江苏艾德卡建材科技有限公司 | Waterborne epoxy antistatic floor bottom and intermediate coating and construction method thereof |
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| US20110237727A1 (en) * | 2010-03-29 | 2011-09-29 | Jung-Pao Chang | Durable polyoxymethylene composition |
| CN103992615A (en) * | 2014-06-17 | 2014-08-20 | 四川大学 | Novel wear-resistant anti-static polyformaldehyde material and preparation method thereof |
| CN104072937A (en) * | 2014-07-07 | 2014-10-01 | 云南云天化股份有限公司 | Antistatic polyformaldehyde resin |
| CN105924887A (en) * | 2016-05-16 | 2016-09-07 | 苏州新区华士达工程塑胶有限公司 | Polyformaldehyde-modified anti-static plastic |
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2018
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| US20110237727A1 (en) * | 2010-03-29 | 2011-09-29 | Jung-Pao Chang | Durable polyoxymethylene composition |
| CN103992615A (en) * | 2014-06-17 | 2014-08-20 | 四川大学 | Novel wear-resistant anti-static polyformaldehyde material and preparation method thereof |
| CN104072937A (en) * | 2014-07-07 | 2014-10-01 | 云南云天化股份有限公司 | Antistatic polyformaldehyde resin |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093006A (en) * | 2019-04-08 | 2019-08-06 | 苏州威瑞成新材料有限公司 | A kind of wear-resisting modified polyformaldehyde material |
| CN111073451A (en) * | 2019-12-13 | 2020-04-28 | 江苏艾德卡建材科技有限公司 | Waterborne epoxy antistatic floor bottom and intermediate coating and construction method thereof |
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