CN107641238A - A kind of preparation method of modified ultra-high molecular weight polyethylene composite - Google Patents
A kind of preparation method of modified ultra-high molecular weight polyethylene composite Download PDFInfo
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- CN107641238A CN107641238A CN201710887936.4A CN201710887936A CN107641238A CN 107641238 A CN107641238 A CN 107641238A CN 201710887936 A CN201710887936 A CN 201710887936A CN 107641238 A CN107641238 A CN 107641238A
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Abstract
The invention discloses a kind of preparation method of modified ultra-high molecular weight polyethylene composite, belong to polymeric material field, composite is made up of 80 120 portions of ultra-high molecular weight polyethylenes, 7 12 parts of nano silicons, 5 10 parts of glass microballoons, 0.1 0.8 parts of silane couplers.The present invention adds nano silicon and glass microballoon in ultra-high molecular weight polyethylene, and nanometer silicon dioxide particle and glass microballoon can block extension and the plastic deformation of ditch dug with a plow, prevent the insertion and cutting of abrasive particle.Fretting wear and the anti-erosion property of ultra-high molecular weight polyethylene can be improved by filling appropriate nanometer silicon dioxide particle；And glass microballoon can improve the heat endurance and friction resistant croop property of ultra-high molecular weight polyethylene in performance to a certain degree.
Description
Technical field
The invention belongs to polymeric material field, and in particular to a kind of system of modified ultra-high molecular weight polyethylene composite
Preparation Method.
Background technology
One of synthetic resin that polyethylene is most widely used and yield is maximum, is mainly used in industrial and agricultural production and people
The various aspects of class life.Polyethylene species is various, can be divided into according to the difference of molecular weight：It is low molecular weight polyethylene, common
Molecular weight polyethylene and ultra-high molecular weight polyethylene.Ultra-high molecular weight polyethylene be a kind of molecular weight more than 1,500,000, it is linear
Structure, have excellent rub resistance, impact resistance, self lubricity, chemical proofing, it is low temperature resistant, health it is nontoxic, stretching
The thermoplastic engineering plastic of the performances such as intensity height, it is widely used in fields such as industry, agricultural, medical treatment, building, chemical industry and national defence,
But its case hardness is low, heat distortion temperature is low, anti-abrasive wear and antifatigue polishing machine are poor.
The content of the invention
It is an object of the invention to provide the high modified ultra-high molecular weight polyethylene composite wood of a kind of anti-wear performance, case hardness
Material and preparation method thereof.
In order to realize the purpose of the present invention, adopt the following technical scheme that：A kind of modified ultra-high molecular weight polyethylene composite wood
The preparation method of material, comprises the following steps:
(1) then nano silicon and glass microballoon freeze-day with constant temperature are weighed to constant weight；
(2) silane coupler is diluted with absolute ethyl alcohol, and is mixed evenly with nano silicon, glass microballoon,
Then scattered 30-40min is shaken in ultrasonic oscillation instrument, is being dried to constant weight, is ground；
(3) mixture prepared by step (2) is mixed with ultra-high molecular weight polyethylene, is put into Multidirectional motion batch mixer and mixes
Expect 8-12h；
(4) batch mixing prepared by step (3) is put into mould, precompressed is carried out to mould, is distributed the compound in mould
Evenly；
(5) mould is progressively heated at 200-220 DEG C, holding cavity pressure is 20-35Mpa, is incubated 15-30min；
(6) cooling and demolding, insulation can be stripped taking-up finished product after terminating rear pressurize cooling room temperature.
Preferably, mould is progressively heated at 200 DEG C in step (5), and holding cavity pressure is 25Mpa, is incubated 30min.
Beneficial effects of the present invention：
The present invention adds nano silicon and glass microballoon, nanometer silicon dioxide particle in ultra-high molecular weight polyethylene
Extension and the plastic deformation of ditch dug with a plow can be blocked with glass microballoon, prevents the insertion and cutting of abrasive particle.Fill appropriate nano-silica
Silicon carbide particle can improve fretting wear and the anti-erosion property of ultra-high molecular weight polyethylene；And glass microballoon can be in property to a certain degree
The heat endurance and friction resistant croop property of ultra-high molecular weight polyethylene can be improved.
Embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out lower premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementation
Example.
Embodiment 1
A kind of modified ultra-high molecular weight polyethylene composite, described 80 portions of ultra-high molecular weight polyethylenes of composite, 7 parts
Nano silicon, 5 parts of glass microballoons, 0.1 part of silane coupler composition.The wherein average molecular matter of ultra-high molecular weight polyethylene
Measure as 200-300 ten thousand.
A kind of preparation method of modified ultra-high molecular weight polyethylene composite, comprises the following steps:
(1) then nano silicon and glass microballoon freeze-day with constant temperature are weighed to constant weight；
(2) silane coupler is diluted with absolute ethyl alcohol, and is mixed evenly with nano silicon, glass microballoon,
Then scattered 30min is shaken in ultrasonic oscillation instrument, is being dried to constant weight, is ground；
(3) mixture prepared by step (2) is mixed with ultra-high molecular weight polyethylene, is put into Multidirectional motion batch mixer and mixes
Expect 8h；
(4) batch mixing prepared by step (3) is put into mould, precompressed is carried out to mould, is distributed the compound in mould
Evenly；
(5) mould is progressively heated at 200 DEG C, holding cavity pressure is 20Mpa, is incubated 15min；
(6) cooling and demolding, insulation can be stripped taking-up finished product after terminating rear pressurize cooling room temperature.
Embodiment 2
A kind of modified ultra-high molecular weight polyethylene composite, described composite 120 parts of ultra-high molecular weight polyethylenes, 12
Part nano silicon, 10 parts of glass microballoons, 0.3 part of silane coupler composition.Wherein relative point of ultra-high molecular weight polyethylene
Protonatomic mass is 200-300 ten thousand.
A kind of preparation method of modified ultra-high molecular weight polyethylene composite, comprises the following steps:
(1) then nano silicon and glass microballoon freeze-day with constant temperature are weighed to constant weight；
(2) silane coupler is diluted with absolute ethyl alcohol, and is mixed evenly with nano silicon, glass microballoon,
Then scattered 40min is shaken in ultrasonic oscillation instrument, is being dried to constant weight, is ground；
(3) mixture prepared by step (2) is mixed with ultra-high molecular weight polyethylene, is put into Multidirectional motion batch mixer and mixes
Expect 12h；
(4) batch mixing prepared by step (3) is put into mould, precompressed is carried out to mould, is distributed the compound in mould
Evenly；
(5) mould is progressively heated at 220 DEG C, holding cavity pressure is 35Mpa, is incubated 20min；
(6) cooling and demolding, insulation can be stripped taking-up finished product after terminating rear pressurize cooling room temperature.
Embodiment 3
A kind of modified ultra-high molecular weight polyethylene composite, described composite 100 parts of ultra-high molecular weight polyethylenes, 9
Part nano silicon, 7 parts of glass microballoons, 0.5 part of silane coupler composition.The wherein average molecular of ultra-high molecular weight polyethylene
Quality is 200-300 ten thousand.
A kind of preparation method of modified ultra-high molecular weight polyethylene composite, comprises the following steps:
(1) then nano silicon and glass microballoon freeze-day with constant temperature are weighed to constant weight；
(2) silane coupler is diluted with absolute ethyl alcohol, and is mixed evenly with nano silicon, glass microballoon,
Then scattered 35min is shaken in ultrasonic oscillation instrument, is being dried to constant weight, is ground；
(3) mixture prepared by step (2) is mixed with ultra-high molecular weight polyethylene, is put into Multidirectional motion batch mixer and mixes
Expect 10h；
(4) batch mixing prepared by step (3) is put into mould, precompressed is carried out to mould, is distributed the compound in mould
Evenly；
(5) mould is progressively heated at 210 DEG C, holding cavity pressure is 30Mpa, is incubated 20min；
(6) cooling and demolding, insulation can be stripped taking-up finished product after terminating rear pressurize cooling room temperature.
Embodiment 4
A kind of modified ultra-high molecular weight polyethylene composite, described composite 100 parts of ultra-high molecular weight polyethylenes, 8
Part nano silicon, 8 parts of glass microballoons, 0.2 part of silane coupler composition.The wherein average molecular of ultra-high molecular weight polyethylene
Quality is 200-300 ten thousand.
A kind of preparation method of modified ultra-high molecular weight polyethylene composite, comprises the following steps:
(1) then nano silicon and glass microballoon freeze-day with constant temperature are weighed to constant weight；
(2) silane coupler is diluted with absolute ethyl alcohol, and is mixed evenly with nano silicon, glass microballoon,
Then scattered 30min is shaken in ultrasonic oscillation instrument, is being dried to constant weight, is ground；
(3) mixture prepared by step (2) is mixed with ultra-high molecular weight polyethylene, is put into Multidirectional motion batch mixer and mixes
Expect 8h；
(4) batch mixing prepared by step (3) is put into mould, precompressed is carried out to mould, is distributed the compound in mould
Evenly；
(5) mould is progressively heated at 200 DEG C, holding cavity pressure is 25Mpa, is incubated 30min；
(6) cooling and demolding, insulation can be stripped taking-up finished product after terminating rear pressurize cooling room temperature.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (2)
- A kind of 1. preparation method of modified ultra-high molecular weight polyethylene composite, it is characterised in that the composite 80- 120 portions of ultra-high molecular weight polyethylenes, 7-12 parts nano silicon, 5-10 parts glass microballoon, 0.1-0.8 part silane coupler groups Into comprising the following steps:(1) then nano silicon and glass microballoon freeze-day with constant temperature are weighed to constant weight；(2) silane coupler is diluted with absolute ethyl alcohol, and be mixed evenly with nano silicon, glass microballoon, then Scattered 30-40min is shaken in ultrasonic oscillation instrument, is being dried to constant weight, is ground；(3) mixture prepared by step (2) is mixed with ultra-high molecular weight polyethylene, is put into batch mixing 8- in Multidirectional motion batch mixer 12h；(4) batch mixing prepared by step (3) is put into mould, precompressed is carried out to mould, be distributed the compound in mould more equal It is even；(5) mould is progressively heated at 200-220 DEG C, holding cavity pressure is 20-35Mpa, is incubated 15-30min；(6) cooling and demolding, insulation can be stripped taking-up finished product after terminating rear pressurize cooling room temperature.
- 2. the preparation method of ultra-high molecular weight polyethylene composite material according to claim 1, it is characterised in that step (5) mould is progressively heated at 200 DEG C in, and holding cavity pressure is 25Mpa, is incubated 30min.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112226264A (en) * | 2020-10-19 | 2021-01-15 | 中国科学院兰州化学物理研究所 | Attapulgite-titanium dioxide modified ultra-high molecular weight polyethylene composite material and preparation method and application thereof |
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| CN1166509A (en) * | 1997-05-30 | 1997-12-03 | 林安良 | Production method of compositely enhanced polyethylene with very high molecular weight |
| CN1580112A (en) * | 2003-08-07 | 2005-02-16 | 上海化工研究院 | Method for preparing ultrahigh molecular weight polyethylene hopper |
| CN106279862A (en) * | 2015-05-19 | 2017-01-04 | 镇江荣诚管业有限公司 | A kind of antibacterial pipeline of self-lubricating ultrahigh molecular weight polyethylene abrasion-proof |
| CN107603158A (en) * | 2017-05-17 | 2018-01-19 | 杭州翔盛高强纤维材料股份有限公司 | A kind of preparation method of the superhigh molecular weight polyethylene fibers composite based on coupling agent modified nano particle |
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2017
- 2017-09-27 CN CN201710887936.4A patent/CN107641238A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1166509A (en) * | 1997-05-30 | 1997-12-03 | 林安良 | Production method of compositely enhanced polyethylene with very high molecular weight |
| CN1580112A (en) * | 2003-08-07 | 2005-02-16 | 上海化工研究院 | Method for preparing ultrahigh molecular weight polyethylene hopper |
| CN106279862A (en) * | 2015-05-19 | 2017-01-04 | 镇江荣诚管业有限公司 | A kind of antibacterial pipeline of self-lubricating ultrahigh molecular weight polyethylene abrasion-proof |
| CN107603158A (en) * | 2017-05-17 | 2018-01-19 | 杭州翔盛高强纤维材料股份有限公司 | A kind of preparation method of the superhigh molecular weight polyethylene fibers composite based on coupling agent modified nano particle |
Non-Patent Citations (3)
| Title |
|---|
| 何剑雄等: "纳米Si02、玻璃微珠共混改性UHMWPE复合材料空蚀性能研究", 《润滑与密封》 * |
| 何剑雄等: "纳米SiO2颗粒和玻璃微珠共混改性超高分子量聚乙烯复合材料的摩擦磨损性能", 《机械工程材料》 * |
| 谢晓芳等: "纳米 SiO2及玻璃微珠改性 UHMWPE 性能的研究", 《塑料》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112226264A (en) * | 2020-10-19 | 2021-01-15 | 中国科学院兰州化学物理研究所 | Attapulgite-titanium dioxide modified ultra-high molecular weight polyethylene composite material and preparation method and application thereof |
| CN112226264B (en) * | 2020-10-19 | 2021-07-23 | 中国科学院兰州化学物理研究所 | Attapulgite-titanium dioxide modified ultra-high molecular weight polyethylene composite material and preparation method and application thereof |
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