CN102408668B - POM (polyoxymethylene) regenerated material for gear and preparation method thereof - Google Patents
POM (polyoxymethylene) regenerated material for gear and preparation method thereof Download PDFInfo
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- CN102408668B CN102408668B CN 201110328523 CN201110328523A CN102408668B CN 102408668 B CN102408668 B CN 102408668B CN 201110328523 CN201110328523 CN 201110328523 CN 201110328523 A CN201110328523 A CN 201110328523A CN 102408668 B CN102408668 B CN 102408668B
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Abstract
The invention provides a POM (polyoxymethylene) regenerated material for a gear and a preparation method thereof. The POM regenerated material comprises 100 parts by weight of common POM recycled material, 5.105-5.421 parts by weight of reinforced POM recycled material, 0.082-0.087 part by weight of white mineral oil, 0.306-0.325 part by weight of lubricant, 0.511-0.542 part by weight of smoothing agent, 0.123-0.130 part of antioxidant, and 0.204-0.217 part by weight of flexibilizer. According to the preparation method, recycled materials are adopted for preparing the POM regenerated material meeting the requirements of the driving gear of a ribbon cartridge, thereby reducing cost, avoiding the waste of recycled materials and lowering environmental pollution.
Description
Technical field
The present invention relates to a kind of organic polymer composite, the gear that especially a kind of POM reworked material and manufacture method thereof, POM reworked material are made.
Background technology
Be the abbreviation of chemistry polyoxyethylene methylene (Polyoxymethylene) by name, usually also be called polyoxymethylene, Derlin.Owing to be one of five large-engineering plastics, therefore excellent combination property, especially friction wear excellent property are best suited for the rotary part material of making machinery, electric motor, electronic apparatus usefulness part, are particularly suitable for making gear and bearing.
Ribbon printer is equipped with ribbon cartridge, and wherein colour band is mainly by being installed in the driving gear drives in the ribbon cartridge.Printing in the life-cycle, driving gear requires the broken teeth phenomenon to occur, even extreme case (rotating such as ribbon printer, driving gear does not rotate) occurs, does not also allow broken teeth, so driving gear must have very high intensity and good wear resistance.Usually, these performances of driving gear are to be determined by selected gear raw material.
Driving gear in the ribbon cartridge take common POM as raw material, is made by injection molding usually.Driving gear in the laser printer, because it need to bear larger driving torque power and the intensity of Geng Gao, it adopts enhancing POM is that raw material is made.Strengthen POM and have better wear resistance and enhancement than common POM.Strengthening POM mainly is so that the performance index of the POM that produces are different by the different of manufacture craft with common POM.Usually the Tensile strength of driving gear is 61MPa in the ribbon cartridge, and the Tensile strength of driving gear is 65MPa in the laser printer.
In the production process of plastic products, understand residual unnecessary scrap stock joining of mould with the openning place of material feeding, before plastics become finished product, these scrap stock must be cut down, this part that cuts down is called regrinding-material.The a collection of plastics of every production all can produce a part of regrinding-material, if regrinding-material is utilized, will save cost.
Adopt common POM to make the ribbon cartridge driving gear, production cost is high.In addition, if the POM regrinding-material is not used, will be a huge waste.
Summary of the invention
Main purpose of the present invention provides a kind of POM reworked material that satisfies the gear performance requriements;
Another object of the present invention provides a kind of renovation process of above-mentioned POM reworked material;
An also purpose of the present invention provides a kind of gear that adopts above-mentioned POM reworked material to produce.
For realizing above-mentioned main purpose, the POM reworked material that ribbon cartridge driving gear provided by the invention is used comprises: common POM regrinding-material 100.000 weight parts; Strengthen POM regrinding-material 5.105～5.421 weight parts; White mineral oil 0.082～0.087 weight part; Lubricant 0.306～0.325 weight part; Smoothing agent 0.511～0.542 weight part; Antioxidant 0.123～0.130 weight part; Toughner 0.204～0.217 weight part.
Further scheme is that the POM reworked material also comprises black race's 1.532～1.626 weight parts.The POM reworked material of this programme can be used for producing the gear of black.
The renovation process of POM reworked material provided by the invention may further comprise the steps: the first step strengthens the POM regrinding-material with the common POM regrinding-material of 100.000 weight parts, 5.105～5.421 weight parts and cured under 90～110 ℃ 1～3 hour; Second step is poured the common POM regrinding-material, the enhancing POM regrinding-material that cure into mixer, and is added 0.082～0.087 weight part white mineral oil stirring 2～5 minutes; In the 3rd step, 0.306～0.325 weight part lubricant, 0.511～0.542 weight part smoothing agent, 0.123～0.130 weight part antioxidant, 0.204～0.217 weight part toughner are added mixer, and stirred 2～5 minutes; The 4th step added granulator granulation with the sizing material that stirs, and namely finished the production of POM reworked material.
Further scheme is, also 1.532～1.626 weight part black race is added stirrer in the 3rd step of the renovation process of POM reworked material.
Gear provided by the invention, gear adopt the POM reworked material to make, and the POM reworked material comprises: common POM regrinding-material 100.000 weight parts; Strengthen POM regrinding-material 5.105～5.421 weight parts; White mineral oil 0.082～0.087 weight part; Lubricant 0.306～0.325 weight part; Smoothing agent 0.511～0.542 weight part; Antioxidant 0.123～0.130 weight part; Toughner 0.204～0.217 weight part; The manufacture method of POM reworked material is: the first step strengthens the POM regrinding-material with the common POM regrinding-material of 100.000 weight parts, 5.105～5.421 weight parts and cured under 90～110 ℃ 1～3 hour; Second step is poured the common POM regrinding-material, the enhancing POM regrinding-material that cure into mixer, and is added 0.082～0.087 weight part white mineral oil stirring 2～5 minutes; In the 3rd step, 0.306～0.325 weight part lubricant, 0.511～0.542 weight part smoothing agent, 0.123～0.130 weight part antioxidant, 0.204～0.217 weight part are added mixer, and stirred 2～5 minutes; The 4th step added granulator granulation with the sizing material that stirs, and namely finished the production of POM reworked material.
Further scheme is that the POM reworked material of gear also comprises black race's 1.532～1.626 weight parts; In the 3rd step of the manufacture method of POM reworked material 1.532～1.626 weight part black race are added stirrer.
Embodiment
Reworked material embodiment one
The composition and ratio of POM reworked material is: common POM regrinding-material 100.000 weight parts; Strengthen POM regrinding-material 5.105 weight parts; White mineral oil 0.082 weight part; Lubricant 0.306 weight part; Smoothing agent 0.511 weight part; Antioxidant 0.123 weight part; Toughner 0.204 weight part; Black race's 1.532 weight parts.
Reworked material embodiment two
The composition and ratio of POM reworked material is: common POM regrinding-material 100.000 weight parts; Strengthen POM regrinding-material 5.263 weight parts; White mineral oil 0.084 weight part; Lubricant 0.316 weight part; Smoothing agent 0.526 weight part; Antioxidant 0.126 weight part; Toughner 0.211 weight part; Black race's 1.579 weight parts.
Reworked material embodiment three
The composition and ratio of POM reworked material is: common POM regrinding-material 100.000 weight parts; Strengthen POM regrinding-material 5.421 weight parts; White mineral oil 0.087 weight part; Lubricant 0.325 weight part; Smoothing agent 0.542 weight part; Antioxidant 0.130 weight part; Toughner 0.217 weight part; Black race's 1.626 weight parts.
The proportioning tabulation of above-mentioned three embodiment, as follows:
Table one
In above-described embodiment, the regrinding-material that the POM that common POM regrinding-material employing production Tensile strength is 61MPa produces, the regrinding-material that the POM that uses such as full raw material production ribbon cartridge driving gear produces; Enhancing POM regrinding-material employing production Tensile strength is the regrinding-material that the POM of 65MPa produces, the regrinding-material that the POM that uses such as full raw material production laser printer driving gear produces; Adopt white mineral oil as lubricating oil, be convenient to the mixing of powdery, lumpy material; Lubricant can adopt the solid lubricants such as tetrafluoroethylene, graphite, and this series lubricant agent so have lower frictional coefficient, produces good lubricating property owing to have unique molecular structure; Smoothing agent can adopt talcum powder; Antioxidant is preferably antioxidant 1010, also can adopt antioxidant 245, antioxidant 168; Toughner is preferably EVA, i.e. the polymkeric substance of ethene and vinyl acetate between to for plastic; Black race, i.e. black dye.
The manufacture method embodiment of reworked material
The production process of POM reworked material may further comprise the steps:
The first step was cured common POM regrinding-material and enhancing POM regrinding-material 1～3 hour under 90～110 ℃;
Second step is poured common POM regrinding-material, enhancing POM regrinding-material into mixer, and is added white mineral oil, stirs together 2～5 minutes;
The 3rd step, pour lubricant, smoothing agent, antioxidant, toughner and black race into mixer, stirred together 2～5 minutes;
The 4th step, to pour the sizing material that stirs into tablets press and carry out granulation, granulation is finished and is namely obtained the POM reworked material.
In the granulation process in the 4th step, adopting production capacity is 250 kg/hours tablets press, the Heating temperature condition of seven heated zones of tablets press and precaution as shown in Table 2:
Table two
Adopt the composition and ratio of present embodiment and POM reworked material that production technique is produced to send plastic cement inspection center to detect, main impact intensity and stretching resistance performance detect, detection case as shown in Table 3:
Table three
At present, two main performance index of the POM of the full raw material production that the ribbon cartridge driving gear adopts are shock strength and stretching resistance, and its value is respectively 621kg/cm
2
And 6.02kgcm/cm.The shock strength of present embodiment POM reworked material and stretching resistance numerical value reach the performance of the POM of full raw material production substantially.
Gear embodiment
The POM reworked material that adopts the manufacture method of the composition and ratio of above-mentioned POM reworked material and POM reworked material to produce is made the driving gear of different model ribbon cartridge, and the moment of torsion of driving gear is tested, detection case as shown in Table 4:
Table four
By above-mentioned detection data as seen, the POM reworked material of present embodiment can be used for producing the ribbon cartridge driving gear of various models, all can reach the desired moment of torsion of ribbon cartridge driving gear.
In sum, present embodiment adopts the POM regrinding-material to produce the POM reworked material, and the performance of its POM reworked material all reaches the requirement of producing the ribbon cartridge driving gear, and adopts the ribbon cartridge driving gear of POM reworked material made also to satisfy production requirement.Present embodiment reduces production costs, and avoids the waste of POM regrinding-material, environmental contamination reduction.
Claims (6)
1.POM reworked material comprises
Common POM regrinding-material 100.000 weight parts;
Strengthen POM regrinding-material 5.105～5.421 weight parts;
White mineral oil 0.082～0.087 weight part;
Solid lubricant 0.306～0.325 weight part;
Smoothing agent 0.511～0.542 weight part;
Antioxidant 0.123～0.130 weight part;
Toughner 0.204～0.217 weight part.
2. POM reworked material according to claim 1 is characterized in that:
Also comprise
Black race's 1.532～1.626 weight parts.
3.POM the manufacture method of reworked material may further comprise the steps
The first step strengthens the POM regrinding-material with the common POM regrinding-material of 100.000 weight parts, 5.105～5.421 weight parts and cured under 90～110 ℃ 1～3 hour;
Second step is poured the common POM regrinding-material, the enhancing POM regrinding-material that cure into mixer, and is added 0.082～0.087 weight part white mineral oil stirring 2～5 minutes;
In the 3rd step, 0.306～0.325 part of solid lubricant, 0.511～0.542 portion of smoothing agent, 0.123～0.130 part of antioxidant, 0.204～0.217 part of toughner are added mixer, and stirred 2～5 minutes;
The 4th step added granulator granulation with the sizing material that stirs, and namely finished the production of POM reworked material.
4. the manufacture method of described POM reworked material according to claim 3 is characterized in that:
In described the 3rd step, also 1.532～1.626 weight part black race are added stirrer.
5. gear is characterized in that:
Described gear adopts the POM reworked material to make, and described POM reworked material comprises:
Common POM regrinding-material 100.000 weight parts; Strengthen POM regrinding-material 5.105～5.421 weight parts; White mineral oil 0.082～0.087 weight part; Solid lubricant 0.306～0.325 weight part; Smoothing agent 0.511～0.542 weight part; Antioxidant 0.123～0.130 weight part; Toughner 0.204～0.217 weight part;
The manufacture method of described POM reworked material is: the first step strengthens the POM regrinding-material with the common POM regrinding-material of 100.000 weight parts, 5.105～5.421 weight parts and cured under 90～110 ℃ 1～3 hour; Second step is poured the common POM regrinding-material, the enhancing POM regrinding-material that cure into mixer, and is added 0.082～0.087 weight part white mineral oil stirring 2～5 minutes; In the 3rd step, 0.306～0.325 weight part solid lubricant, 0.511～0.542 weight part smoothing agent, 0.123～0.130 weight part antioxidant, 0.204～0.217 weight part toughner are added mixer, and stirred 2～5 minutes; The 4th step added granulator granulation with the sizing material that stirs, and namely finished the production of POM reworked material.
6. gear according to claim 5 is characterized in that:
Described POM reworked material also comprises black race's 1.532～1.626 weight parts;
In the 3rd step of the manufacture method of described POM reworked material 1.532～1.626 weight part black race are added stirrer.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101130621A (en) * | 2007-09-14 | 2008-02-27 | 深圳市科聚新材料有限公司 | Enhancing toughening polyoxymethylene composition and method for producing the same |
| CN101629008A (en) * | 2009-07-07 | 2010-01-20 | 中国蓝星（集团）股份有限公司 | Polyoxymethylene blending material and preparation method thereof |
| CN101759955A (en) * | 2009-11-26 | 2010-06-30 | 苏州市科创聚合物有限公司 | High wear-resistant self-lubricating polyoxymethylene and process for preparing same |
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- 2011-10-26 CN CN 201110328523 patent/CN102408668B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101130621A (en) * | 2007-09-14 | 2008-02-27 | 深圳市科聚新材料有限公司 | Enhancing toughening polyoxymethylene composition and method for producing the same |
| CN101629008A (en) * | 2009-07-07 | 2010-01-20 | 中国蓝星（集团）股份有限公司 | Polyoxymethylene blending material and preparation method thereof |
| CN101759955A (en) * | 2009-11-26 | 2010-06-30 | 苏州市科创聚合物有限公司 | High wear-resistant self-lubricating polyoxymethylene and process for preparing same |
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