CN102565282A - Sample evaluation method for hollow fiber membrane silk - Google Patents
Sample evaluation method for hollow fiber membrane silk Download PDFInfo
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- CN102565282A CN102565282A CN2011104176894A CN201110417689A CN102565282A CN 102565282 A CN102565282 A CN 102565282A CN 2011104176894 A CN2011104176894 A CN 2011104176894A CN 201110417689 A CN201110417689 A CN 201110417689A CN 102565282 A CN102565282 A CN 102565282A
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Abstract
The invention discloses a sample evaluation method for hollow fiber membrane silk. The method comprises the following steps of: 1) sampling: selecting the formed hollow fiber membrane silk and fixing in a mould; 2) casting: pouring the casting liquid into the mould for casting, wherein the casting liquid consists of 75% of epoxy resin and 25% of curing agent by mass; 3) coating: after the casting liquid is cured, performing vacuum coating, wherein the coating liquid consists of 5% of the mixed liquid of silicon rubber and curing agent and 95% of petroleum ether by mass; 4) testing: naturally airing the coating, and testing in a gas evaluation device; and 5) performing data evaluation, wherein if the separation coefficient exceeds 55.00, the sample is qualified. The sample evaluation method for hollow fiber membrane silk, disclosed by the invention, has the advantages that: the selected sample has a small volume; the production period is short; the cost is low; and the chip production can be quickly adjusted in time so as to greatly improve the qualified rate and the rate of finished products of the products.
Description
Technical field
The present invention relates to a kind of evaluating method, specifically is a kind of sample evaluating method of hollow-fibre membrane silk.
Background technology
It is significant that the sample evaluation exists, and is two-way, is the check that whether the hollow-fibre membrane silk is reached set standard, is again that the main chipware production to finished product provides reference standard accurately.Since the making of chipware, characteristics such as volume is big, the cycle is long, cost height, therefore whether desirable for the separating effect of finished product, there is certain risk.So the sample evaluation is arisen at the historic moment like this.Sample as the term suggests with respect to chipware, advantage is that its volume is little, with short production cycle, cost is low, can be made in time adjustment rapidly to the production of chipware, thereby improve the qualification rate and the yield rate of product greatly.
Summary of the invention
The purpose of this invention is to provide a kind of based on improve the chipware quality, the sample evaluating method of hollow-fibre membrane silk on enhancing productivity, saving production cost.
Technical scheme of the present invention is achieved in that the sample evaluating method of hollow-fibre membrane silk, and its step is following: 1) sampling: choose the hollow-fibre membrane silk of moulding, be fixed in the mold; 2) casting: the liquid of will casting is poured in the mold and is cast, the consisting of of said casting liquid: in massfraction, contain 75% epoxy resin and 25% hardening agent; 3) coating: after liquid-solidization of waiting to cast, carry out vacuum coating, the consisting of of its floating coat liquid:, contain 5% the silicon rubber and the mixed liquor of hardening agent, 95% sherwood oil in mass fraction; 4) test: with drying naturally after the coating, put into the gas evaluating apparatus and test, its condition of work temperature is 25-35 ℃, and pressure remains on 0.5-10kg; 5) data evaluation: when separation coefficient surpasses 55.00 is qualified.
In the said coating liquid, the mass ratio of silicon rubber and hardening agent is 9.5:1.
The test condition of said step 4) is: the condition of work temperature is 30 ℃, and pressure remains on 0.7kg.
Said hardening agent is a hardening agent 105.
The invention has the beneficial effects as follows: the volume that the sample evaluating method advantage of hollow-fibre membrane silk of the present invention is to choose sample is little, with short production cycle, cost is low; Can make in time adjustment rapidly to the production of chipware, thereby improve the qualification rate and the yield rate of product greatly.
Embodiment
Below in conjunction with specific embodiment the present invention is further explained.
A kind of sample evaluating method of hollow-fibre membrane silk, its step is following:
1) sampling: choose the hollow-fibre membrane silk of fractions cloth moulding relatively uniformly,, from selected silk number, extract the long hollow-fibre membrane silk of 50 * 300mm, be separately fixed in the mold then;
2) casting: the casting liquid that will prepare is poured in the mold and is cast, the consisting of of said casting liquid: in massfraction, contain 75% epoxy resin and 25% hardening agent 105;
3) coating: after liquid-solidization of waiting to cast, carried out vacuum coating 10 minutes, the consisting of of its floating coat liquid: in mass fraction; Contain 5% the silicon rubber and the mixed liquor of hardening agent, 95% sherwood oil is in the said coating liquid; The mass ratio of silicon rubber and hardening agent is 9.5:1; The hybrid mode of coating liquid is: earlier partly sherwood oil and silicon rubber are mixed, will sneak in the silicon rubber with the hardening agent that sherwood oil mixes, fully stir;
4) test: with drying naturally after the coating, put into the gas evaluating apparatus and test, carry out the gas evaluation of hollow-fibre membrane silk by oxygen, two kinds of gases of nitrogen, its condition of work temperature is 30 ℃, and pressure remains on 0.7kg;
5) data evaluation: when separation coefficient surpasses 55.00 is qualified.
Its evaluation procedure is:
1. airtight pressure vessel is connected with constant water bath box with gas cylinder respectively.
2. with the temperature constant to 30 of water bath with thermostatic control ℃, storage pressure transfers to 1.2kpa.
3. the sample finished product is packed in the pressure vessel into the inspection leakproofness.
4. open reduction valve and keep-up pressure, start soap-film meter and pick up counting, and carry out record at 0.7kpa.
The data that several groups of samples are tested are following:
The above; Be merely the preferable embodiment of the present invention; But protection scope of the present invention is not limited thereto; Any technician who is familiar with the present technique field is equal to replacement or change according to technical scheme of the present invention and inventive concept thereof in the technical scope that the present invention discloses, all should be encompassed within protection scope of the present invention.
Claims (4)
1. the sample evaluating method of hollow-fibre membrane silk is characterized in that, its step is following:
1) sampling: choose the hollow-fibre membrane silk of moulding, be fixed in the mold;
2) casting: the liquid of will casting is poured in the mold and is cast, the consisting of of said casting liquid: in massfraction, contain 75% epoxy resin and 25% hardening agent;
3) coating: after liquid-solidization of waiting to cast, carry out vacuum coating, the consisting of of its floating coat liquid:, contain 5% the silicon rubber and the mixed liquor of hardening agent, 95% sherwood oil in mass fraction;
4) test: with drying naturally after the coating, put into the gas evaluating apparatus and test, its condition of work temperature is 25-35 ℃, and pressure remains on 0.5-10kg;
5) data evaluation: when separation coefficient surpasses 55.00 is qualified.
2. the sample evaluating method of hollow-fibre membrane silk according to claim 1 is characterized in that, in the said coating liquid, the mass ratio of silicon rubber and hardening agent is 9.5:1.
3. the sample evaluating method of hollow-fibre membrane silk according to claim 1 is characterized in that, the test condition of said step 4) is: the condition of work temperature is 30 ℃, and pressure remains on 0.7kg.
4. the sample evaluating method of hollow-fibre membrane silk according to claim 1 is characterized in that, said hardening agent is a hardening agent 105.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110417689.4A CN102565282B (en) | 2011-12-14 | 2011-12-14 | Sample evaluation method for hollow fiber membrane silk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110417689.4A CN102565282B (en) | 2011-12-14 | 2011-12-14 | Sample evaluation method for hollow fiber membrane silk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102565282A true CN102565282A (en) | 2012-07-11 |
| CN102565282B CN102565282B (en) | 2015-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110417689.4A Expired - Fee Related CN102565282B (en) | 2011-12-14 | 2011-12-14 | Sample evaluation method for hollow fiber membrane silk |
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| CN (1) | CN102565282B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1108588A (en) * | 1994-03-15 | 1995-09-20 | 中国科学院大连化学物理研究所 | Method for preparation of improved complex film with coating |
| CN1073877C (en) * | 1997-05-17 | 2001-10-31 | 中国科学院大连化学物理研究所 | Preparation of hollow-fibre composite film |
| CN1657144A (en) * | 2004-02-16 | 2005-08-24 | 中国科学院大连化学物理研究所 | Composite hollow fiber membrane and its preparation and application |
| WO2009075952A1 (en) * | 2007-12-11 | 2009-06-18 | Uop Llc | Mixed matrix membranes containing low acidity nano-sized sapo-34 molecular sieves |
| CN101480583A (en) * | 2008-12-30 | 2009-07-15 | 天邦膜技术国家工程研究中心有限责任公司 | Method for preparing novel polyetherimide hollow fiber film |
| CN101961612A (en) * | 2010-09-30 | 2011-02-02 | 浙江工业大学 | Method for carrying out hydrophilic modification on hollow fiber membrane by utilizing hyperbranched polymer |
-
2011
- 2011-12-14 CN CN201110417689.4A patent/CN102565282B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1108588A (en) * | 1994-03-15 | 1995-09-20 | 中国科学院大连化学物理研究所 | Method for preparation of improved complex film with coating |
| CN1073877C (en) * | 1997-05-17 | 2001-10-31 | 中国科学院大连化学物理研究所 | Preparation of hollow-fibre composite film |
| CN1657144A (en) * | 2004-02-16 | 2005-08-24 | 中国科学院大连化学物理研究所 | Composite hollow fiber membrane and its preparation and application |
| WO2009075952A1 (en) * | 2007-12-11 | 2009-06-18 | Uop Llc | Mixed matrix membranes containing low acidity nano-sized sapo-34 molecular sieves |
| CN101480583A (en) * | 2008-12-30 | 2009-07-15 | 天邦膜技术国家工程研究中心有限责任公司 | Method for preparing novel polyetherimide hollow fiber film |
| CN101961612A (en) * | 2010-09-30 | 2011-02-02 | 浙江工业大学 | Method for carrying out hydrophilic modification on hollow fiber membrane by utilizing hyperbranched polymer |
Non-Patent Citations (1)
| Title |
|---|
| 李更敏: "PPESK/PEI中空纤维富氮膜的制备及性能研究", 《中国优秀硕士论文全文数据库 工程科技Ⅰ辑》 * |
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| CN102565282B (en) | 2015-07-22 |
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| C14 | Grant of patent or utility model | ||
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| CB03 | Change of inventor or designer information |
Inventor after: Liu Yuhua Inventor after: Yin Zhongsheng Inventor after: Yu Feng Inventor after: Shi Hui Inventor before: Liu Yuhua Inventor before: Yin Zhongsheng Inventor before: Yu Feng Inventor before: Shi Hui |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20151214 |
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