CN111013551A - Application of ultrahigh molecular polyethylene material - Google Patents
Application of ultrahigh molecular polyethylene material Download PDFInfo
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- CN111013551A CN111013551A CN201911309276.7A CN201911309276A CN111013551A CN 111013551 A CN111013551 A CN 111013551A CN 201911309276 A CN201911309276 A CN 201911309276A CN 111013551 A CN111013551 A CN 111013551A
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- China
- Prior art keywords
- sieve plate
- hydrophobic
- polyethylene material
- sealing
- taking out
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000000463 material Substances 0.000 title claims abstract description 10
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 9
- -1 polyethylene Polymers 0.000 title claims abstract description 9
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 9
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000005245 sintering Methods 0.000 claims abstract description 16
- 230000004913 activation Effects 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000002791 soaking Methods 0.000 claims abstract description 12
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 6
- 238000004806 packaging method and process Methods 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 6
- 238000002360 preparation method Methods 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 238000011049 filling Methods 0.000 claims abstract 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 12
- 239000000523 sample Substances 0.000 description 10
- 238000002414 normal-phase solid-phase extraction Methods 0.000 description 9
- 238000001816 cooling Methods 0.000 description 8
- 238000011084 recovery Methods 0.000 description 6
- 230000003213 activating effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000012216 screening Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/265—Synthetic macromolecular compounds modified or post-treated polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28033—Membrane, sheet, cloth, pad, lamellar or mat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention relates to the technical field of biochemistry, in particular to application of an ultrahigh molecular polyethylene material, wherein the ultrahigh molecular polyethylene material is used for producing an SPE hydrophilic sieve plate without activation treatment, and a preparation method of the SPE hydrophilic sieve plate without activation treatment specifically comprises the following steps: sintering and forming: filling the ultra-high molecular weight polyethylene powder into a mold cavity, and then putting the mold cavity into an oven to produce 100-fold sand-baked products at the high temperature of 160-fold sand-baked products at the temperature of 190 ℃ for 200 minutes; taking out: taking out the hydrophobic sieve plate sintered and molded in the step 1; soaking: putting the hydrophobic sieve plate obtained in the step 2 into a BS-12 solution prepared according to the ratio of 1-5% for completely soaking, and continuously stirring the hydrophobic sieve plate; water filtration: in the step 3, after the hydrophobic sieve plate is completely soaked for 24 hours, the sieve plate is taken out and filtered to be dry; drying and sealing: and (4) baking the sieve plate obtained in the step (4) at a low temperature of 40-80 ℃ until the water is completely dried, and then sealing and packaging.
Description
Technical Field
The invention relates to the technical field of biochemistry, in particular to application of an ultrahigh molecular polyethylene material.
Background
The upper and lower sieve plates used for filtering and fixing in the SPE column used in the solid phase extraction technology all the time are hydrophobic sieve plates with 20-micron pore size, and experimenters can add different experimental requirements and fill different required fillers to assemble various solid phase extraction columns according to different experimental requirements; one is repeated without exception before the solid phase extraction experiment, namely the solid phase extraction column is activated by formaldehyde and related organic solvents and pure water: the purpose of the activation of the solid phase extraction column is two, the first purpose is to soak the filler so that the sample solution can flow through the solid phase extraction column; the second purpose is to clean the interfering impurities and solvent residues on the solid phase extraction column; the hydrophobic sieve plate is directly treated to become a pure hydrophilic sieve plate and then is directly applied to the solid-phase extraction column, so that the laboratory wastewater discharge such as formaldehyde and other organic solvents required by activating the hydrophobic sieve plate can be reduced; the sieve plate after hydrophilic optimization can be quickly wetted when meeting liquid and can not generate bubbles to prevent the liquid sample from uniformly and effectively improving the uniformity of sample absorption and permeation and the stability of sample extraction reaction, so that the invention not only can effectively improve the working efficiency, but also can indirectly realize higher extraction recovery rate and more accurate experimental data by having stable and effective sample reaction time, effectively improve the recovery rate of the extract and simultaneously improve the working efficiency of experimental workers; the experiment not only can save the activation treatment, but also can effectively uniform the flow velocity and effectively improve the recovery rate of the extraction target.
Disclosure of Invention
The purpose of the invention is as follows: 1. the method can quickly shorten or directly cancel the application pretreatment of solid-phase extraction: the hydrophilic sieve plate of the activating sieve plate process is applied to the invention, and the aim of reducing the labor cost is achieved by reducing the activating work; 2. the pretreatment process of removing the activation of the traditional hydrophobic sieve plate by using formaldehyde and organic solvent is realized: the chemical wastewater discharge in a laboratory can be effectively reduced; 3. because the sieve plate after the optimization of hydrophilicity can be quickly wetted when meeting liquid and can not generate bubbles to prevent the liquid sample from passing through the sieve plate, the penetration uniformity of the sample and the stability of the reaction of extracting the sample can be effectively improved.
In order to solve the technical problems, the technical scheme of the invention is as follows: the application of the ultrahigh molecular polyethylene material is used for producing an SPE hydrophilic sieve plate free of activation treatment, and the preparation method of the SPE hydrophilic sieve plate free of activation treatment specifically comprises the following steps:
(1) sintering and forming: placing the ultra-high molecular weight polyethylene powder subjected to the precision screening into a stainless steel sintering mold cavity, then sealing the mold, and placing the mold into an oven for 100-plus-200 minutes of high-temperature sintering production at 190 ℃;
(2) taking out: taking out the sintering mold in the step 1, cooling, and taking out the formed hydrophobic sieve plate after cooling;
(3) soaking: putting the hydrophobic sieve plate obtained in the step 2 into a BS-12 solution prepared according to the ratio of 1-5% for completely soaking, and continuously stirring the hydrophobic sieve plate;
(4) water filtration: in the step 3, after the hydrophobic sieve plate is completely soaked for 24 hours, the sieve plate is taken out and filtered to be dry;
(5) drying and sealing: and (4) baking the sieve plate obtained in the step (4) at a low temperature of 40-80 ℃ until the water is completely dried, and then sealing and packaging.
The invention has the technical advantages that:
1. the invention not only can effectively improve the working efficiency, but also can indirectly realize higher extraction recovery rate and more accurate experimental data by having stable and effective sample reaction time, effectively improve the recovery rate of the extract and simultaneously improve the working efficiency of experimental workers;
2. in the experimental process, the process of activating the sieve plate can be omitted, the flow rate of the sample can be effectively and uniformly controlled, and the sample and the filler can be better adsorbed, so that the aim of effectively improving the recovery rate of the extracted target object is fulfilled;
3. the step of activating the sieve plate is omitted before the experiment, so that the use amount of organic chemicals such as methanol, formaldehyde and the like can be effectively reduced, and the purpose of reducing the chemical wastewater discharge and treatment cost in a laboratory is achieved.
Detailed Description
The application of the ultrahigh molecular polyethylene material is used for producing an SPE hydrophilic sieve plate free of activation treatment, and the preparation method of the SPE hydrophilic sieve plate free of activation treatment specifically comprises the following steps:
(1) sintering and forming: placing the ultra-high molecular weight polyethylene powder subjected to the precision screening into a stainless steel sintering mold cavity, then sealing the mold, and placing the mold into an oven for 100-plus-200 minutes of high-temperature sintering production at 190 ℃;
(2) taking out: taking out the sintering mold in the step 1, cooling, and taking out the formed hydrophobic sieve plate after cooling;
(3) soaking: putting the hydrophobic sieve plate obtained in the step 2 into a BS-12 solution prepared according to the ratio of 1-5% for completely soaking, and continuously stirring the hydrophobic sieve plate;
(4) water filtration: in the step 3, after the hydrophobic sieve plate is completely soaked for 24 hours, the sieve plate is taken out and filtered to be dry;
(5) drying and sealing: and (4) baking the sieve plate obtained in the step (4) at a low temperature of 40-80 ℃ until the water is completely dried, and then sealing and packaging.
Example one
The preparation method of the SPE hydrophilic sieve plate free of activation treatment specifically comprises the following steps:
(1) sintering and forming: placing the ultra-high molecular weight polyethylene powder subjected to the precision screening into a stainless steel sintering mold cavity, then sealing the mold, and placing the mold into an oven to be sintered for 100 minutes at a high temperature of 160 ℃;
(2) taking out: taking out the sintering mold in the step 1, cooling, and taking out the formed hydrophobic sieve plate after cooling;
(3) soaking: putting the hydrophobic sieve plate obtained in the step 2 into a BS-12 solution prepared according to the ratio of 1% for completely soaking, and continuously stirring the hydrophobic sieve plate;
(4) water filtration: in the step 3, after the hydrophobic sieve plate is completely soaked for 24 hours, the sieve plate is taken out and filtered to be dry;
(5) drying and sealing: and (4) baking the sieve plate obtained in the step (4) at a low temperature of 40 ℃ until the water is completely dried, and then sealing and packaging.
Example two
The preparation method of the SPE hydrophilic sieve plate free of activation treatment specifically comprises the following steps:
(1) sintering and forming: placing the ultra-high molecular weight polyethylene powder subjected to the precision screening into a stainless steel sintering mold cavity, then sealing the mold, and placing the mold into an oven to be sintered for 200 minutes at a high temperature of 190 ℃;
(2) taking out: taking out the sintering mold in the step 1, cooling, and taking out the formed hydrophobic sieve plate after cooling;
(3) soaking: putting the hydrophobic sieve plate obtained in the step 2 into a BS-12 solution prepared according to the ratio of 5% for completely soaking, and continuously stirring the hydrophobic sieve plate;
(4) water filtration: in the step 3, after the hydrophobic sieve plate is completely soaked for 24 hours, the sieve plate is taken out and filtered to be dry;
(5) drying and sealing: and (4) baking the sieve plate obtained in the step (4) at a low temperature of 80 ℃ until the water is completely dried, and then sealing and packaging.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments in each example may be appropriately combined to form other embodiments that may be understood by those skilled in the art.
Claims (2)
1. The application of the ultra-high molecular polyethylene material is characterized in that: the ultrahigh molecular polyethylene material is used for producing the SPE hydrophilic sieve plate without activation treatment.
2. The use of the ultra-high molecular weight polyethylene material of claim 1, wherein: the preparation method of the SPE hydrophilic sieve plate free of activation treatment specifically comprises the following steps:
(1) sintering and forming: filling the ultra-high molecular weight polyethylene powder into a mold cavity, and then putting the mold cavity into an oven to produce 100-fold sand-baked products at the high temperature of 160-fold sand-baked products at the temperature of 190 ℃ for 200 minutes;
(2) taking out: taking out the hydrophobic sieve plate sintered and molded in the step 1;
(3) soaking: putting the hydrophobic sieve plate obtained in the step 2 into a BS-12 solution prepared according to the ratio of 1-5% for completely soaking, and continuously stirring the hydrophobic sieve plate;
(4) water filtration: in the step 3, after the hydrophobic sieve plate is completely soaked for 24 hours, the sieve plate is taken out and filtered to be dry;
(5) drying and sealing: and (4) baking the sieve plate obtained in the step (4) at a low temperature of 40-80 ℃ until the water is completely dried, and then sealing and packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911309276.7A CN111013551A (en) | 2019-12-18 | 2019-12-18 | Application of ultrahigh molecular polyethylene material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911309276.7A CN111013551A (en) | 2019-12-18 | 2019-12-18 | Application of ultrahigh molecular polyethylene material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111013551A true CN111013551A (en) | 2020-04-17 |
Family
ID=70210458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911309276.7A Pending CN111013551A (en) | 2019-12-18 | 2019-12-18 | Application of ultrahigh molecular polyethylene material |
Country Status (1)
| Country | Link |
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| CN (1) | CN111013551A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112316491A (en) * | 2020-10-21 | 2021-02-05 | 苏州凯虹高分子科技有限公司 | Sintering screening core and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0225133D0 (en) * | 2002-10-29 | 2002-12-11 | Porvair Technology Ltd | Porous polyethylene for solid phase extraction, separation and synthesis |
| CN104862977A (en) * | 2015-04-17 | 2015-08-26 | 保定经纬纺织有限公司 | Yarn fire retardant and processing technology of fire-retardant yarn |
| CN106009177A (en) * | 2016-06-30 | 2016-10-12 | 安徽杰奥玛克合成材料科技有限公司 | Hydrophobic geogrid and preparation method thereof |
| CN106289895A (en) * | 2015-06-05 | 2017-01-04 | 吉林出入境检验检疫局检验检疫技术中心 | A kind of ecological textile venomous injurant quality detection decontaminating column and preparation method thereof |
| CN107641966A (en) * | 2017-10-16 | 2018-01-30 | 江苏美恒纺织实业有限公司 | A kind of manufacture method for possessing moisture-absorptive polyester fabric |
| RU2656000C1 (en) * | 2016-11-24 | 2018-05-30 | федеральное государственное унитарное предприятие "Федеральный научно-производственный центр "Прогресс" (ФГУП "ФНПЦ "Прогресс") | Rubber-cord composite and method of its manufacture |
| CN109806621A (en) * | 2019-02-18 | 2019-05-28 | 深圳市百迈生命科学有限公司 | The preparation method of a kind of SPE function sieve plate and without Flapper type SPE column plate |
-
2019
- 2019-12-18 CN CN201911309276.7A patent/CN111013551A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0225133D0 (en) * | 2002-10-29 | 2002-12-11 | Porvair Technology Ltd | Porous polyethylene for solid phase extraction, separation and synthesis |
| CN104862977A (en) * | 2015-04-17 | 2015-08-26 | 保定经纬纺织有限公司 | Yarn fire retardant and processing technology of fire-retardant yarn |
| CN106289895A (en) * | 2015-06-05 | 2017-01-04 | 吉林出入境检验检疫局检验检疫技术中心 | A kind of ecological textile venomous injurant quality detection decontaminating column and preparation method thereof |
| CN106009177A (en) * | 2016-06-30 | 2016-10-12 | 安徽杰奥玛克合成材料科技有限公司 | Hydrophobic geogrid and preparation method thereof |
| RU2656000C1 (en) * | 2016-11-24 | 2018-05-30 | федеральное государственное унитарное предприятие "Федеральный научно-производственный центр "Прогресс" (ФГУП "ФНПЦ "Прогресс") | Rubber-cord composite and method of its manufacture |
| CN107641966A (en) * | 2017-10-16 | 2018-01-30 | 江苏美恒纺织实业有限公司 | A kind of manufacture method for possessing moisture-absorptive polyester fabric |
| CN109806621A (en) * | 2019-02-18 | 2019-05-28 | 深圳市百迈生命科学有限公司 | The preparation method of a kind of SPE function sieve plate and without Flapper type SPE column plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112316491A (en) * | 2020-10-21 | 2021-02-05 | 苏州凯虹高分子科技有限公司 | Sintering screening core and preparation method thereof |
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Application publication date: 20200417 |