CN103740044B - A kind of Polyformaldehyde wear-resistant switch - Google Patents
A kind of Polyformaldehyde wear-resistant switch Download PDFInfo
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- CN103740044B CN103740044B CN201310728048.XA CN201310728048A CN103740044B CN 103740044 B CN103740044 B CN 103740044B CN 201310728048 A CN201310728048 A CN 201310728048A CN 103740044 B CN103740044 B CN 103740044B
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Abstract
A kind of Polyformaldehyde wear-resistant switch, its composition with mass fraction representation is: POM100 part; Trioctyl trimellitate 50-60 part; UV light absorber is 0.2-0.5 part; Tetrafluoroethylene is 2-6 part; Sodium perchlorate 0.5-1 part; Molybdenumdisulphide 5-10 part; Zinic stearas 0.4-0.8 part; Polyethylene wax is 3-5 part; Lauric amide is 0.2-0.4 part; Maleic anhydride 0.3-0.5 part; Polydimethylsiloxane 0.1-0.3 part; Dimethyl silicone oil 2-2.5 part; Silicon-dioxide 0.5-1.5 part; Product reduces 60-70%, frictional coefficient 0.05-0.2 than pure polyoxymethylene frictional coefficient; Hardness 75-90, bends 180 ° without white trace; 500h photoaging shock strength conservation rate 100%, flexural strength 65-70MPa; Product is antibacterial, UV resistant is irradiated, and the widespread production not division of history into periods can replace current material.
Description
Technical field
The application belongs to plastic material field, particularly relates to a kind of Polyformaldehyde wear-resistant switch.
Background technology
POM is a kind of tough and tensile resilient material, even if still have good creep resistance characteristic, geometrical stability and impact property at low temperatures.The existing homopolymer material of POM also has copolymer material.Homopolymer material has good ductility/strength, fatigue resistance, but is not easy to processing.Copolymer material have good thermostability, chemical stability and be easy to processing.No matter homopolymer material or copolymer material, is all crystalline material and not easily absorbs moisture.The high crystallization degree of POM causes it to have quite high shrinking percentage, can up to 2% ~ 3.5%.Different shrinking percentages is had for various different enhancement type material; Polyoxymethylene (pom) is a kind of engineering plastics of excellent property, has the title of " taking steel by force ", " Polyformaldehyde product 2 supersteel " abroad.Pom has the hardness of metalloid, intensity and rigidity, within the scope of very wide temperature and humidity, all have good self lubricity, good resistance to fatigue, and springiness, it also has good chemical-resistant in addition.Pom is with the cost lower than other many engineering plastics, substituting some traditionally the market captured by metal, as alternative zinc, brass, aluminium and steel make many parts, since appearance, pom has been widely used in the fields such as electric, mechanical, instrument, daily light industry, automobile, building materials, agricultural.In the application of a lot of frontier, as the aspect such as medical skill, sports equipment, pom also shows good growing trend.
Derlin is strong and hard well allusion quotation has thermoplastic (property) plastics of good fatigability and chi ten stability, its electricity has low frictional coefficient and good thermotolerance to think that Derlin is similar to nylon, but its resistance to fatigue, creep resistant, hardness and water tolerance are better than nylon.Along with the development of social city, technicalization, hommization, design a kind of rub resistance, frictional coefficient is low, aging-resistant polyoxymethylene switch fabric, to meet the need of market, is very important.
Summary of the invention
the technical problem solved:
Rub resistance, frictional coefficient are not high for existing polyoxymethylene switch for the application, and the technical problem such as not ageing-resistant, provides a kind of Polyformaldehyde wear-resistant switch.
technical scheme:
A kind of Polyformaldehyde wear-resistant switch, is made up of following raw materials according, with mass fraction representation is: POM100 part; Trioctyl trimellitate 50-60 part; UV light absorber is 0.2-0.5 part; Tetrafluoroethylene is 2-6 part; Sodium perchlorate 0.5-1 part; Molybdenumdisulphide 5-10 part; Zinic stearas 0.4-0.8 part; Polyethylene wax is 3-5 part; Lauric amide is 0.2-0.4 part; Maleic anhydride 0.3-0.5 part; Polydimethylsiloxane 0.1-0.3 part; Dimethyl silicone oil 2-2.5 part; Silicon-dioxide 0.5-1.5 part.
As a preferred technical solution of the present invention: described Polyformaldehyde wear-resistant switch, its moiety, with mass fraction representation is: POM100 part; Trioctyl trimellitate 55 parts; UV light absorber is 0.35 part; Tetrafluoroethylene is 4 parts; Sodium perchlorate 0.7 part; Molybdenumdisulphide 8 parts; Zinic stearas 0.6 part; Polyethylene wax is 4 parts; Lauric amide is 0.3 part; Maleic anhydride 0.4 part; Polydimethylsiloxane 0.2 part; Dimethyl silicone oil 2.25 parts; Silica 1 part.
As a preferred technical solution of the present invention: described UV light absorber adopts UV-531.
beneficial effect:
A kind of Polyformaldehyde wear-resistant switch of the present invention adopts above technical scheme compared with prior art, has following technique effect: 1, product reduces 60-70%, frictional coefficient 0.05-0.2 than pure polyoxymethylene frictional coefficient; 2, hardness 75-90, bends 180 ° without white trace; 3,500h photoaging shock strength conservation rate 100%, flexural strength 65-70MPa; 4, antibacterial, the UV resistant of product is irradiated, can the widespread production not division of history into periods for current material.
Embodiment
embodiment 1:
A kind of Polyformaldehyde wear-resistant switch, its composition with mass fraction representation is: POM100 part; Trioctyl trimellitate 50 parts; Ultraviolet absorbent UV-531 is 0.2 part; Tetrafluoroethylene is 2 parts; Sodium perchlorate 0.5 part; Molybdenumdisulphide 5 parts; Zinic stearas 0.4 part; Polyethylene wax is 3 parts; Lauric amide is 0.2 part; Maleic anhydride 0.3 part; Polydimethylsiloxane 0.1 part; Dimethyl silicone oil 2 parts; Silicon-dioxide 0.5 part.
Product reduces by 60% than pure polyoxymethylene frictional coefficient, frictional coefficient 0.2; Hardness 75, bends 180 ° without white trace; 500h photoaging shock strength conservation rate 100%, flexural strength 65MPa.
embodiment 2:
A kind of Polyformaldehyde wear-resistant switch, its composition with mass fraction representation is: POM100 part; Trioctyl trimellitate 60 parts; Ultraviolet absorbent UV-531 is 0.5 part; Tetrafluoroethylene is 6 parts; Sodium perchlorate 1 part; Molybdenumdisulphide 10 parts; Zinic stearas 0.8 part; Polyethylene wax is 5 parts; Lauric amide is 0.4 part; Maleic anhydride 0.5 part; Polydimethylsiloxane 0.3 part; Dimethyl silicone oil 2.5 parts; Silica 1 .5 part.
Product reduces by 65% than pure polyoxymethylene frictional coefficient, frictional coefficient 0.1; Hardness 80, bends 180 ° without white trace; 500h photoaging shock strength conservation rate 100%, flexural strength 68MPa.
embodiment 3:
A kind of Polyformaldehyde wear-resistant switch, is characterized in that: its composition with mass fraction representation is: POM100 part; Trioctyl trimellitate 55 parts; Ultraviolet absorbent UV-531 is 0.35 part; Tetrafluoroethylene is 4 parts; Sodium perchlorate 0.7 part; Molybdenumdisulphide 8 parts; Zinic stearas 0.6 part; Polyethylene wax is 4 parts; Lauric amide is 0.3 part; Maleic anhydride 0.4 part; Polydimethylsiloxane 0.2 part; Dimethyl silicone oil 2.25 parts; Silica 1 part.
Product reduces by 70% than pure polyoxymethylene frictional coefficient, frictional coefficient 0.05; Hardness 90, bends 180 ° without white trace; 500h photoaging shock strength conservation rate 100%, flexural strength 70MPa.
Composition all components in above embodiment all can business be bought.
Above-described embodiment is just for setting forth content of the present invention, instead of restriction, and any change therefore in the implication suitable with claims of the present invention and scope, all should think to be included in the scope of claims.
Claims (3)
1. a Polyformaldehyde wear-resistant switch, is characterized in that: its composition with mass fraction representation is: POM100 part; Trioctyl trimellitate 50-60 part; UV light absorber is 0.2-0.5 part; Tetrafluoroethylene is 2-6 part; Sodium perchlorate 0.5-1 part; Molybdenumdisulphide 5-10 part; Zinic stearas 0.4-0.8 part; Polyethylene wax is 3-5 part; Lauric amide is 0.2-0.4 part; Maleic anhydride 0.3-0.5 part; Polydimethylsiloxane 0.1-0.3 part; Dimethyl silicone oil 2-2.5 part; Silicon-dioxide 0.5-1.5 part.
2. a kind of Polyformaldehyde wear-resistant switch according to claim 1, is characterized in that: its composition with mass fraction representation is: POM100 part; Trioctyl trimellitate 55 parts; UV light absorber is 0.35 part; Tetrafluoroethylene is 4 parts; Sodium perchlorate 0.7 part; Molybdenumdisulphide 8 parts; Zinic stearas 0.6 part; Polyethylene wax is 4 parts; Lauric amide is 0.3 part; Maleic anhydride 0.4 part; Polydimethylsiloxane 0.2 part; Dimethyl silicone oil 2.25 parts; Silica 1 part.
3. a kind of Polyformaldehyde wear-resistant switch according to claim 1, is characterized in that: described UV light absorber adopts UV-531.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310728048.XA CN103740044B (en) | 2013-12-26 | 2013-12-26 | A kind of Polyformaldehyde wear-resistant switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310728048.XA CN103740044B (en) | 2013-12-26 | 2013-12-26 | A kind of Polyformaldehyde wear-resistant switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103740044A CN103740044A (en) | 2014-04-23 |
| CN103740044B true CN103740044B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310728048.XA Expired - Fee Related CN103740044B (en) | 2013-12-26 | 2013-12-26 | A kind of Polyformaldehyde wear-resistant switch |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113984753B (en) * | 2021-11-04 | 2022-12-02 | 长春美泰仪器有限公司 | Formaldehyde detection test paper, preparation method thereof and formaldehyde detection system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101619155A (en) * | 2009-08-07 | 2010-01-06 | 苏州工业园区富事达塑业有限责任公司（苏州塑料一厂） | Wear-resistant and heat-resistant acetal resin |
| CN103172969A (en) * | 2013-02-07 | 2013-06-26 | 钭礼俊 | Polyformaldehyde modified material and preparation method thereof |
| CN103194036A (en) * | 2013-04-10 | 2013-07-10 | 苏州旭光聚合物有限公司 | Wear-resistant and heat-resistant modified polyformaldehyde composite material and preparation method thereof |
-
2013
- 2013-12-26 CN CN201310728048.XA patent/CN103740044B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101619155A (en) * | 2009-08-07 | 2010-01-06 | 苏州工业园区富事达塑业有限责任公司（苏州塑料一厂） | Wear-resistant and heat-resistant acetal resin |
| CN103172969A (en) * | 2013-02-07 | 2013-06-26 | 钭礼俊 | Polyformaldehyde modified material and preparation method thereof |
| CN103194036A (en) * | 2013-04-10 | 2013-07-10 | 苏州旭光聚合物有限公司 | Wear-resistant and heat-resistant modified polyformaldehyde composite material and preparation method thereof |
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| Publication number | Publication date |
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| CN103740044A (en) | 2014-04-23 |
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Effective date of registration: 20151127 Address after: 226300 Industrial Park, Jinsha Town, Nantong, Jiangsu, Tongzhou District Applicant after: SUZHOU HENGKANG NEW MATERIAL CO., LTD. Address before: Wujiang City, Suzhou City, Jiangsu province 215212 Lili town nine South Street No. 15 Applicant before: Wujiang Dongtai Electric Power Special Switch Co.,Ltd. |
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Effective date of registration: 20170621 Address after: 226300 No. 10 Daqing Road, Jinsha Town, Nantong, Jiangsu, Tongzhou District Patentee after: Jiangsu coastal agricultural science and Technology Development Co Ltd Address before: 226300 Industrial Park, Jinsha Town, Nantong, Jiangsu, Tongzhou District Patentee before: SUZHOU HENGKANG NEW MATERIAL CO., LTD. |
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Granted publication date: 20160120 Termination date: 20191226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |