CN110144078A - A kind of surface can continue the superhigh molecular weight polyethylene material and preparation method thereof of precipitation lubricant - Google Patents
A kind of surface can continue the superhigh molecular weight polyethylene material and preparation method thereof of precipitation lubricant Download PDFInfo
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- CN110144078A CN110144078A CN201910397633.3A CN201910397633A CN110144078A CN 110144078 A CN110144078 A CN 110144078A CN 201910397633 A CN201910397633 A CN 201910397633A CN 110144078 A CN110144078 A CN 110144078A
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- lubricant
- raw material
- molecular weight
- weight polyethylene
- antioxidant
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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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
- C08K5/1345—Carboxylic esters of phenolcarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/068—Ultra high molecular weight polyethylene
Abstract
It can continue the superhigh molecular weight polyethylene material and preparation method thereof that lubricant is precipitated the present invention relates to a kind of surface, belong to modified with ultrahigh molecular weight polyethylene technical field, the raw material of superhigh molecular weight polyethylene material includes major ingredient and auxiliary agent, major ingredient is ultra-high molecular weight polyethylene, the weight percent content of major ingredient is 80 ~ 92%, the weight percent content of auxiliary agent is 8 ~ 20%, and the sum of major ingredient and the weight percent of auxiliary agent are 100%；Auxiliary agent includes lubricant, remover and antioxidant, and the percentage that lubricant, remover and antioxidant account for raw material gross weight is respectively as follows: lubricant 7 ~ 18%, release agent 0.4 ~ 1.2%, antioxidant 0.6 ~ 0.8%；The auxiliary agent includes lubricant and release agent, by raw material prepare with it is hot-forming, pass through material modification, add after a kind of molding the lubricant of sustainable precipitation on the surface of the material, making the superhigh molecular weight polyethylene material self-lubrication of preparation substantially enhances, confficient of static friction has been increased to 0.08 by original 0.12, and service life increases by 8% or more.
Description
Technical field
The invention belongs to modified with ultrahigh molecular weight polyethylene technical fields, and in particular to be that a kind of surface can continue to analyse
The superhigh molecular weight polyethylene material and preparation method thereof of lubricant out.
Background technique
Ultra-high molecular weight polyethylene (UHMW-PE) is a kind of linear structure, the thermoplasticity work with Good All-around Property
Engineering plastics, development is very rapid, and before the eighties, world's average annual growth rate is 8.5%, into after the eighties, growth rate
Up to 15% ~ 20%, and the average annual growth rate in China is 30% or more.Worldwide consumption in 1978 is 1.2 ~ 1.25 ten thousand tons, and is arrived
About 50,000 tons of nineteen ninety world demand amount, wherein the U.S. accounts for 70%.2007-2009 China gradually becomes world's engineering plastics work
Factory, supermolecule weight northylen industry development are even more very rapidly.
The current self-lubricating that material is relied primarily in of ultra-high molecular weight polyethylene or additional lubricant, external lubricant
Pollution, ultra-high molecular weight polyethylene anti-adhesive etc. due to it is less in actual use, when table after a period of use
Face becomes coarse, and self-lubrication can reduce, and coefficient of friction increases.
Summary of the invention
In order to solve deficiency in the prior art, the self-lubricating property of superhigh molecular weight polyethylene material is improved, extension makes
It with the service life, enhances product performance, the present invention, which provides a kind of surface, can continue the ultra-high molecular weight polyethylene material that lubricant is precipitated
Material and preparation method thereof.
The present invention is achieved by the following technical programs.
A kind of surface can continue the superhigh molecular weight polyethylene material of precipitation lubricant, superhigh molecular weight polyethylene material
Raw material include major ingredient and auxiliary agent, the major ingredient is ultra-high molecular weight polyethylene, and the weight percent content of major ingredient is 80 ~ 92%,
The weight percent content of the auxiliary agent is 8 ~ 20%, and the sum of major ingredient and the weight percent of auxiliary agent are 100%；The auxiliary agent includes
Lubricant, remover and antioxidant, the percentage that lubricant, remover and antioxidant account for raw material gross weight are respectively as follows: lubricant 7
~ 18%, release agent 0.4 ~ 1.2%, antioxidant 0.6 ~ 0.8%.
Further, the lubricant is saturated fatty acid, and the release agent is calcium stearate, and the antioxidant is antioxygen
Agent 1076.
Further, the saturated fatty acid is lauric acid.
A kind of surface can continue the preparation method that the superhigh molecular weight polyethylene material of lubricant is precipitated, including following step
It is rapid:
S1, raw material are prepared
Firstly, according to raw material and its weight percent content: major ingredient 80 ~ 92%, release agent 0.4 ~ 1.2%, antioxidant 0.6 ~ 0.8%
Raw material is weighed, weighed raw material is put into mixing in batch mixer, batch mixer revolving speed is set as 500-800r/min, in mixing process
The temperature of mixed raw material is risen to 65 ± 5 DEG C, is reached after set temperature constant temperature mixing 2 minutes；Then, weight percent is weighed to contain
Amount is added in the raw material in mixing for 7 ~ 18% lubricant, and the revolving speed for adjusting batch mixer is 1200-1500r/min, mixing 5-7
Minute；Finally, adjustment batch mixer revolving speed be 500-800r/min, while by the greenhouse cooling of mixed raw material to 35 DEG C hereinafter,
Raw material preparation finishes, blowing, remains subsequent step use；
It is S2, hot-forming
The step S1 raw material prepared is put into mold, is scraped using material scraper, is then hot pressed into hot pressing connection cold press
Type, hot press molding pressure 6-11MPa, heating temperature are 215 DEG C；After raw material cures completely, hot pressing connection cold press is cooled to
Room temperature, takes out hot press formed product, and obtained cutting surface can continue the superhigh molecular weight polyethylene material that lubricant is precipitated.
Compared with prior art the invention has the benefit that
A kind of surface provided by the invention can continue the superhigh molecular weight polyethylene material and preparation method thereof that lubricant is precipitated,
The invention adds after a kind of molding the lubricant of sustainable precipitation on the surface of the material, keeps super high molecular weight poly- by material modification
Lubricant is constantly precipitated to enhance self-lubrication, to improve service life in vinyl material in use.
The superhigh molecular weight polyethylene material self-lubrication of invention preparation substantially enhances, and confficient of static friction is by original
0.12 has been increased to 0.08, and service life increases by 8% or more.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail.
A kind of surface can continue the superhigh molecular weight polyethylene material of precipitation lubricant, superhigh molecular weight polyethylene material
Raw material include major ingredient and auxiliary agent, the major ingredient is ultra-high molecular weight polyethylene, and the weight percent content of major ingredient is 80 ~ 92%,
The weight percent content of the auxiliary agent is 8 ~ 20%, and the sum of major ingredient and the weight percent of auxiliary agent are 100%；The auxiliary agent includes
Lubricant, remover and antioxidant, the percentage that lubricant, remover and antioxidant account for raw material gross weight are respectively as follows: lubricant 7
~ 18%, release agent 0.4 ~ 1.2%, antioxidant 0.6 ~ 0.8%.
Further, the lubricant is saturated fatty acid, and the release agent is calcium stearate, and the antioxidant is antioxygen
Agent 1076.
Further, the saturated fatty acid is lauric acid.
A kind of surface can continue the preparation method that the superhigh molecular weight polyethylene material of lubricant is precipitated, it is characterised in that
The following steps are included:
S1, raw material are prepared
Firstly, according to raw material and its weight percent content: major ingredient 80 ~ 92%, release agent 0.4 ~ 1.2%, antioxidant 0.6 ~ 0.8%
Raw material is weighed, weighed raw material is put into mixing in batch mixer, batch mixer revolving speed is set as 500-800r/min, in mixing process
The temperature of mixed raw material is risen to 65 ± 5 DEG C, is reached after set temperature constant temperature mixing 2 minutes；Then, weight percent is weighed to contain
Amount is added in the raw material in mixing for 7 ~ 18% lubricant, and the revolving speed for adjusting batch mixer is 1200-1500r/min, mixing 5-7
Minute；Finally, adjustment batch mixer revolving speed be 500-800r/min, while by the greenhouse cooling of mixed raw material to 35 DEG C hereinafter,
Raw material preparation finishes, blowing, remains subsequent step use；
It is S2, hot-forming
The step S1 raw material prepared is put into mold, is scraped using material scraper, is then hot pressed into hot pressing connection cold press
Type, hot press molding pressure 6-11MPa, heating temperature are 215 DEG C；After raw material cures completely, hot pressing connection cold press is cooled to
Room temperature, takes out hot press formed product, and obtained cutting surface can continue the superhigh molecular weight polyethylene material that lubricant is precipitated, system
Standby superhigh molecular weight polyethylene material self-lubrication substantially enhances, and confficient of static friction has been increased to 0.08 by original 0.12,
Service life increases by 8% or more.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
It is familiar with those skilled in the art in the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (4)
1. a kind of surface can continue the superhigh molecular weight polyethylene material that lubricant is precipitated, it is characterised in that:
The raw material of the superhigh molecular weight polyethylene material includes major ingredient and auxiliary agent, and the major ingredient is ultra-high molecular weight polyethylene,
The weight percent content of major ingredient is 80 ~ 92%, and the weight percent content of the auxiliary agent is 8 ~ 20%, the weight of major ingredient and auxiliary agent
The sum of percentage is 100%；The auxiliary agent includes lubricant, remover and antioxidant, and lubricant, remover and antioxidant account for original
The percentage of material total weight is respectively as follows: lubricant 7 ~ 18%, release agent 0.4 ~ 1.2%, antioxidant 0.6 ~ 0.8%.
2. a kind of surface according to claim 1 can continue the superhigh molecular weight polyethylene material that lubricant is precipitated,
Be characterized in that: the lubricant is saturated fatty acid, and the release agent is calcium stearate, and the antioxidant is antioxidant 1076.
3. a kind of surface according to claim 2 can continue the superhigh molecular weight polyethylene material that lubricant is precipitated,
Be characterized in that: the saturated fatty acid is lauric acid.
4. a kind of surface as described in claim 1 can continue the preparation that the superhigh molecular weight polyethylene material of lubricant is precipitated
Method, it is characterised in that the following steps are included:
S1, raw material are prepared
Firstly, according to raw material and its weight percent content: major ingredient 80 ~ 92%, release agent 0.4 ~ 1.2%, antioxidant 0.6 ~ 0.8%
Raw material is weighed, weighed raw material is put into mixing in batch mixer, batch mixer revolving speed is set as 500-800r/min, in mixing process
The temperature of mixed raw material is risen to 65 ± 5 DEG C, is reached after set temperature constant temperature mixing 2 minutes；Then, weight percent is weighed to contain
Amount is added in the raw material in mixing for 7 ~ 18% lubricant, and the revolving speed for adjusting batch mixer is 1200-1500r/min, mixing 5-7
Minute；Finally, adjustment batch mixer revolving speed be 500-800r/min, while by the greenhouse cooling of mixed raw material to 35 DEG C hereinafter,
Raw material preparation finishes, blowing, remains subsequent step use；
It is S2, hot-forming
The step S1 raw material prepared is put into mold, is scraped using material scraper, is then hot pressed into hot pressing connection cold press
Type, hot press molding pressure 6-11MPa, heating temperature are 215 DEG C；After raw material cures completely, hot pressing connection cold press is cooled to
Room temperature, takes out hot press formed product, and obtained cutting surface can continue the superhigh molecular weight polyethylene material that lubricant is precipitated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910397633.3A CN110144078A (en) | 2019-05-14 | 2019-05-14 | A kind of surface can continue the superhigh molecular weight polyethylene material and preparation method thereof of precipitation lubricant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910397633.3A CN110144078A (en) | 2019-05-14 | 2019-05-14 | A kind of surface can continue the superhigh molecular weight polyethylene material and preparation method thereof of precipitation lubricant |
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| CN110144078A true CN110144078A (en) | 2019-08-20 |
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| CN201910397633.3A Pending CN110144078A (en) | 2019-05-14 | 2019-05-14 | A kind of surface can continue the superhigh molecular weight polyethylene material and preparation method thereof of precipitation lubricant |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030193110A1 (en) * | 2002-04-12 | 2003-10-16 | Yaritz Joseph G. | Ultrahigh molecular weight polyethylene articles and method of manufacture |
| CN101240092A (en) * | 2008-03-14 | 2008-08-13 | 株洲时代新材料科技股份有限公司 | Super-high molecular weight polyethylene low frictional coefficient wearable composite material and its preparation and use |
| US20100168510A1 (en) * | 2008-12-30 | 2010-07-01 | Intuitive Surgical, Inc. | Surgical instruments with sheathed tendons |
| CN104558766A (en) * | 2014-12-19 | 2015-04-29 | 广东特固力士工业皮带有限公司 | Ultrahigh molecular weight polyethylene composite material and preparation method thereof |
| CN108774349A (en) * | 2018-06-22 | 2018-11-09 | 上海化工研究院有限公司 | A kind of UHMWPE melting extrusions level composite material and preparation method thereof, moulding process and application |
| CN109081978A (en) * | 2018-06-08 | 2018-12-25 | 山东泰山体育器材有限公司 | A kind of emulation slab and preparation method thereof with self-lubricating function |
-
2019
- 2019-05-14 CN CN201910397633.3A patent/CN110144078A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030193110A1 (en) * | 2002-04-12 | 2003-10-16 | Yaritz Joseph G. | Ultrahigh molecular weight polyethylene articles and method of manufacture |
| CN101240092A (en) * | 2008-03-14 | 2008-08-13 | 株洲时代新材料科技股份有限公司 | Super-high molecular weight polyethylene low frictional coefficient wearable composite material and its preparation and use |
| US20100168510A1 (en) * | 2008-12-30 | 2010-07-01 | Intuitive Surgical, Inc. | Surgical instruments with sheathed tendons |
| CN104558766A (en) * | 2014-12-19 | 2015-04-29 | 广东特固力士工业皮带有限公司 | Ultrahigh molecular weight polyethylene composite material and preparation method thereof |
| CN109081978A (en) * | 2018-06-08 | 2018-12-25 | 山东泰山体育器材有限公司 | A kind of emulation slab and preparation method thereof with self-lubricating function |
| CN108774349A (en) * | 2018-06-22 | 2018-11-09 | 上海化工研究院有限公司 | A kind of UHMWPE melting extrusions level composite material and preparation method thereof, moulding process and application |
Non-Patent Citations (1)
| Title |
|---|
| 王承鹤: "《塑料的摩擦、磨损、润滑理论与时间》", 31 October 1994 * |
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Application publication date: 20190820 |