CN102344629A - Polyvinyl chloride brine extraction-resistant membrane for anti-osmosis salt industry - Google Patents
Polyvinyl chloride brine extraction-resistant membrane for anti-osmosis salt industry Download PDFInfo
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- CN102344629A CN102344629A CN2011102315623A CN201110231562A CN102344629A CN 102344629 A CN102344629 A CN 102344629A CN 2011102315623 A CN2011102315623 A CN 2011102315623A CN 201110231562 A CN201110231562 A CN 201110231562A CN 102344629 A CN102344629 A CN 102344629A
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Abstract
The invention relates to a polyvinyl chloride brine extraction-resistant membrane for anti-osmosis salt industry. The invention belongs to the technical field of polyvinyl chloride membranes. A polyvinyl chloride brine extraction-resistant membrane for anti-osmosis salt industry is characterized in that the membrane for salt industry comprises the following components by weight: 100 parts of polyvinyl chloride resins, 10-40 parts of dioctyl phthalate, 2-10 parts of epoxidized soybean oil, 2-12 parts of dioctyl adipate, 2-5 parts of heat stabilizers, 1-4 parts of carbon black, 0.1-0.8 parts of 4,4-isopropylidene diphenol, 1-10 parts of butadiene-acrylonitrile rubber, 10-40 parts of trimellitic acid-2 ethyl-hexyl ester. The membrane for anti-osmosis salt industry of the invention has fully improved brine extraction resistance, solves the problem of membrane hardening caused by extraction of a lot of plasticizers during long-term immersion in brine, and greatly increases the service life of the salt membrane.
Description
Technical field
The invention belongs to the polychloroethylene film technical field, particularly relate to the anti-bittern of a kind of polyvinyl chloride and extract impermeable salt industry film out.
Background technology
At present, the polyvinyl chloride salt film of known technology mainly is to be increased auxiliary agents such as softening agent, stablizer, carbon black by polyvinyl chloride (PVC) RESINS, through the polyvinyl chloride film that mixes, plastifies, makes after the processes such as calendering.Wherein, softening agent is main with dioctyl phthalate (DOP), and Octyl adipate is auxilliary as the low temperature softening agent, the plasticity of reinforced polyvinyl chloride resin.PVC products in use, the plasticizer exudation, migration and extraction problems have attracted the attention of people, plastic film used in the salt industry is divided into write freshwater and salt pile with plastic thatch Shi impermeable membrane and salt film industry.Impermeable salt industry in use owing to be immersed in the bittern for a long time, makes that the softening agent in the typical thin films is extracted out in a large number with film, causes the film hardening, influences work-ing life.
Summary of the invention
The present invention provides the anti-bittern of a kind of polyvinyl chloride to extract impermeable salt industry film out for solving the problem that prior art exists.
The object of the invention provides and a kind of impermeable salt industry is fully improved with the anti-bittern extraction performance of film; Solve impermeable salt industry with membrane product owing to be immersed in the bittern for a long time; Make the softening agent in the film extract out in a large number; The problem that causes the film hardening, and the anti-bittern of polyvinyl chloride that improves the characteristics such as work-ing life of salt film is greatly extracted impermeable salt industry film out.
The present invention is directed to trimellitic acid-(2-ethyl) own ester (TOTM) and in water, have good anti-extractable.Adopt TOTM instead of part common plasticizers dioctyl phthalate (DOP) (DOP), carry out anti-bittern and extract out, thereby improve the performance that impermeable salt industry is extracted out with the anti-bittern of film, and the work-ing life of effectively improving the salt film.
Technical scheme is to comprise that following component is formulated: (A) 100 parts of weights of polyvinyl chloride (PVC) RESINS; (B) dioctyl phthalate (DOP) 10-40PHR; (C) epoxy soybean oil 2-10PHR; (D) Octyl adipate 2-12PHR; (E) thermo-stabilizer 2-5PHR; (F) carbon black 1-4PHR; (G) Octabenzone (or 2-hydroxy-4-methyl UVNUL MS-40) 0.1-0.6PHR; (H) 4,4-isopropylidene bis-phenol 0.1-0.8PHR; (I) paracril 1-10PHR; (J) trimellitic acid-2 ethyl-own ester 10-40PHR; Described thermo-stabilizer can be selected liquid stabilisers and the compound use of metallic soap class stablizer for use.In plasticiser system, substitute the part dioctyl phthalate (DOP) with trimellitic acid-2 ethyl-own ester.
In the above-mentioned prescription: with part trimellitic acid-2 ethyl-own ester instead of part dioctyl phthalate (DOP); Because trimellitic acid-2 ethyl-own ester has good water-fast extractable; Molecular structure is bigger; Bigger with the intermolecular reactive force of polyvinyl chloride resin; Move difficulty when in bittern, soaking for a long time; Be not easy to be extracted out by bittern, it is low to show the bittern sucrose extraction, and anti-bittern extraction performance improves.
The anti-bittern of polyvinyl chloride of the present invention is extracted impermeable salt industry out and is adopted following technical scheme with film:
The anti-bittern of a kind of polyvinyl chloride is extracted impermeable salt industry film out, is characterized in: salt industry comprises following component with film, and the parts by weight proportioning of each component is:
Polyvinyl chloride (PVC) RESINS 100;
Dioctyl phthalate (DOP) 10-40;
Epoxy soybean oil 2-10;
Octyl adipate 2-12;
Thermo-stabilizer 2-5;
Carbon black 1-4;
4,4-isopropylidene bis-phenol 0.1-0.8;
Paracril 1-10;
Trimellitic acid-2 ethyl-own ester 10-40.
The anti-bittern of polyvinyl chloride of the present invention is extracted impermeable salt industry out can also adopt following technical measures with film:
The anti-bittern of described polyvinyl chloride is extracted impermeable salt industry film out, is characterized in: polyvinyl chloride salt film comprises Octabenzone or 2-hydroxy-4-methyl UVNUL MS-40, and its parts by weight are 0.1-0.6.
The anti-bittern of described polyvinyl chloride is extracted impermeable salt industry film out, is characterized in: thermo-stabilizer is that liquid stabilisers and metallic soap class stablizer are composited.
The anti-bittern of described polyvinyl chloride is extracted impermeable salt industry film out, is characterized in: liquid stabilisers is a barium cadmium zinc composite stabilizer.
The anti-bittern of described polyvinyl chloride is extracted impermeable salt industry film out, is characterized in: metallic soap class stablizer barium stearate and Zinic stearas are composited.
Advantage that the present invention has and positively effect:
The anti-bittern of polyvinyl chloride is extracted impermeable salt industry film out; Owing to adopted brand-new technology scheme of the present invention; Compared with prior art; The impermeable salt industry of the present invention is fully improved with the anti-bittern extraction performance of film; Solved impermeable salt industry with membrane product owing to be immersed in the bittern for a long time; Make the softening agent in the film extract out in a large number, cause the problem of film hardening, and effectively raise the work-ing life of salt film.
Embodiment
For further understanding technology contents of the present invention, characteristics and effect, enumerate following instance now, and describe in detail as follows:
Embodiment 1
The anti-bittern of polyvinyl chloride is extracted impermeable salt industry film out, comprises that following component configuration forms: (A) 100 parts of weights of polyvinyl chloride (PVC) RESINS; (B) dioctyl phthalate (DOP) 10PHR (resin by 100 parts of weights is the parts by weight of the other materials of radix, down together); (C) epoxy soybean oil 2PHR; (D) Octyl adipate 2PHR; (E) thermo-stabilizer 2PHR; (F) carbon black 1PHR; (G) Octabenzone 0.1PHR; (H) 4,4-isopropylidene bis-phenol 0.1PHR; (I) paracril 1PHR; (J) trimellitic acid-2 ethyl-own ester 10PHR.Wherein, wherein, thermo-stabilizer is selected liquid stabilisers and the compound use of metallic soap class stablizer for use, and liquid stabilisers is selected barium cadmium zinc composite stabilizer for use, and metallic soap class stablizer is selected barium stearate and the compound use of Zinic stearas for use.The thermo-stabilizer proportioning is: liquid barum cadmium zinc compound stabilizer
1.5PHR, barium stearate 0.3PHR and Zinic stearas 0.2PHR.Present embodiment in plasticiser system, substitutes the part dioctyl phthalate (DOP) with trimellitic acid-2 ethyl-own ester.
Embodiment 2:
The anti-bittern of polyvinyl chloride is extracted impermeable salt industry film out, comprises that following component configuration forms: (A) 100 parts of weights of polyvinyl chloride (PVC) RESINS; (B) dioctyl phthalate (DOP) 40PHR (resin by 100 parts of weights is the parts by weight of the other materials of radix, down together); (C) epoxy soybean oil 10PHR; (D) Octyl adipate 12PHR; (E) thermo-stabilizer: liquid barum cadmium zinc compound stabilizer 3.5PHR, barium stearate 1PHR and Zinic stearas 0.5PHR; (F) carbon black 4PHR; (G) 2-hydroxy-4-methyl UVNUL MS-40 0.6PHR; (H) 4,4-isopropylidene bis-phenol 0.8PHR; (I) nitrile rubber 10PHR; (J) trimellitic acid-2 ethyl-own ester 40PHR.
Embodiment 3
The anti-bittern of polyvinyl chloride is extracted impermeable salt industry film out; Each component is seen table one; Its film-forming process: become by after 1 each component is weighed in the table one; Stir 270s with homogenizer, 92 ℃ of left and right sides dischargings are then through ten thousand horsepowers of secret refinings; In two open mills, carry out fully mixing more respectively; After forcing machine filters, roll into film by four-roll calender, the film after the moulding is got, is widened postcooling and is shaped into desired product through drawing.Through test products physicals such as table two.
After weighing by each component of 2 in the table one; Processing method by the foregoing description is produced; The anti-bittern of the polyvinyl chloride of gained is extracted impermeable salt industry film out; Solved impermeable salt industry with membrane product owing to be immersed in the bittern for a long time; Make the softening agent in the film extract out in a large number; Cause the problem of film hardening, and prolonged the work-ing life of salt film greatly.
Table one
| Each component embodiment | 1 | 2 |
| Polyvinyl chloride (PVC) RESINS | 100 | 100 |
| Dioctyl phthalate (DOP) | 20 | 10 |
| Octyl adipate | 8 | 5 |
| Epoxy soybean oil | 6 | 4 |
| Liquid barum cadmium zinc compound stabilizer | 2.5 | 2.0 |
| Barium stearate | 0.3 | 0.3 |
| Zinic stearas | 0.2 | 0.2 |
| Paracril | 5 | 3 |
| Carbon black | 2 | 2 |
| Octabenzone | 0.1 | 0.3 |
| 4-4 isopropylidene bis-phenol | 0.8 | 0.4 |
| Trimellitic acid-2 ethyl-own ester | 20 | 40 |
Table two
Claims (5)
1. the anti-bittern of polyvinyl chloride is extracted impermeable salt industry film out, and it is characterized in that: salt industry comprises following component with film, and the parts by weight proportioning of each component is:
Polyvinyl chloride (PVC) RESINS 100;
Dioctyl phthalate (DOP) 10-40;
Epoxy soybean oil 2-10;
Octyl adipate 2-12;
Thermo-stabilizer 2-5;
Carbon black 1-4;
4,4-isopropylidene bis-phenol 0.1-0.8;
Paracril 1-10;
Trimellitic acid-2 ethyl-own ester 10-40.
2. extract impermeable salt industry film out according to the anti-bittern of the described polyvinyl chloride of claim 1, it is characterized in that: polyvinyl chloride salt film comprises Octabenzone or 2-hydroxy-4-methyl UVNUL MS-40, and its parts by weight are 0.1-0.6.
3. extract impermeable salt industry film out according to claim 1 or the anti-bittern of 2 described polyvinyl chloride, it is characterized in that: thermo-stabilizer is that liquid stabilisers and metallic soap class stablizer are composited.
4. extract impermeable salt industry film out according to the anti-bittern of the described polyvinyl chloride of claim 3, it is characterized in that: liquid stabilisers is a barium cadmium zinc composite stabilizer.
5. extract impermeable salt industry film out according to the anti-bittern of the described polyvinyl chloride of claim 3, it is characterized in that: metallic soap class stablizer barium stearate and Zinic stearas are composited.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011102315623A CN102344629A (en) | 2011-08-15 | 2011-08-15 | Polyvinyl chloride brine extraction-resistant membrane for anti-osmosis salt industry |
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| CN2011102315623A CN102344629A (en) | 2011-08-15 | 2011-08-15 | Polyvinyl chloride brine extraction-resistant membrane for anti-osmosis salt industry |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103287004A (en) * | 2013-05-28 | 2013-09-11 | 湖北金龙新材料股份有限公司 | Composite impermeable cloth for salt pond and preparation method thereof |
| CN103360695A (en) * | 2012-03-30 | 2013-10-23 | 中国石油化工股份有限公司 | Durable polyvinyl chloride salt membrane composition and preparation method thereof |
| CN103497446A (en) * | 2013-09-25 | 2014-01-08 | 天津市天塑科技集团有限公司第四塑料制品厂 | Environmental-friendly polyvinyl chloride (PVC) extraction-resistant anti-seepage film and preparation method thereof |
| CN105585792A (en) * | 2014-10-21 | 2016-05-18 | 孙宝林 | High-elasticity thin film and preparation method thereof |
| CN112358695A (en) * | 2020-10-31 | 2021-02-12 | 苏州特聚新材料科技有限公司 | Salt film with rust resistance function |
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| CN1865324A (en) * | 2006-06-09 | 2006-11-22 | 东营天元塑业有限公司 | Low temperature resistant polyvinyl chloride salt film for anti-aging |
| CN101864129A (en) * | 2010-07-21 | 2010-10-20 | 天津市天塑科技集团有限公司第四塑料制品厂 | Polyvinyl chloride geomembrane modified by nitrile-butadiene rubber |
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2011
- 2011-08-15 CN CN2011102315623A patent/CN102344629A/en active Pending
Patent Citations (2)
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| CN1865324A (en) * | 2006-06-09 | 2006-11-22 | 东营天元塑业有限公司 | Low temperature resistant polyvinyl chloride salt film for anti-aging |
| CN101864129A (en) * | 2010-07-21 | 2010-10-20 | 天津市天塑科技集团有限公司第四塑料制品厂 | Polyvinyl chloride geomembrane modified by nitrile-butadiene rubber |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103360695A (en) * | 2012-03-30 | 2013-10-23 | 中国石油化工股份有限公司 | Durable polyvinyl chloride salt membrane composition and preparation method thereof |
| CN103287004A (en) * | 2013-05-28 | 2013-09-11 | 湖北金龙新材料股份有限公司 | Composite impermeable cloth for salt pond and preparation method thereof |
| CN103497446A (en) * | 2013-09-25 | 2014-01-08 | 天津市天塑科技集团有限公司第四塑料制品厂 | Environmental-friendly polyvinyl chloride (PVC) extraction-resistant anti-seepage film and preparation method thereof |
| CN105585792A (en) * | 2014-10-21 | 2016-05-18 | 孙宝林 | High-elasticity thin film and preparation method thereof |
| CN105585792B (en) * | 2014-10-21 | 2017-09-22 | 孙宝林 | A kind of high resiliency film and preparation method thereof |
| CN112358695A (en) * | 2020-10-31 | 2021-02-12 | 苏州特聚新材料科技有限公司 | Salt film with rust resistance function |
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Application publication date: 20120208 |