CN102558713A - Nanometer bi-layer film biogas digester material and preparation method thereof - Google Patents
Nanometer bi-layer film biogas digester material and preparation method thereof Download PDFInfo
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- CN102558713A CN102558713A CN2011104541525A CN201110454152A CN102558713A CN 102558713 A CN102558713 A CN 102558713A CN 2011104541525 A CN2011104541525 A CN 2011104541525A CN 201110454152 A CN201110454152 A CN 201110454152A CN 102558713 A CN102558713 A CN 102558713A
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Abstract
The invention discloses a nanometer bi-layer film biogas digester material, which is composed of the following components: PVC (polyvinyl chloride) resin, DOP (Dioctyl-Phthalate), DBP (dibutyl phthalate), a stabilizing agent, an antioxidant, an anti-UV (ultraviolet) agent, nano calcium carbonate, modified red mud and other accessory ingredients, wherein the components are subjected to the calendering technology, the fitting technology and the surface treatment technology, and two groups of single-surface surface-treated single-layer biogas digester materials are combined to obtain the bi-layer biogas digester material. The nanometer bi-layer film biogas digester material has the advantages that nano calcium carbonate and the modified red mud are adopted to serve as filling agents, thus the weather resistance, the aging resistance and the like of a PVC film are improved and the service life of the bi-layer film biogas digester material is prolonged; the acrylate coating is used for surface treatment, thus the weather resistance and the aging resistance of the bi-layer film biogas digester material are improved; and because of adopting the bi-layer film structure, the inner-layer film has excellent air impermeability and chemical corrosion resistance, and the outer-layer film has good physical and mechanical property and aging resistance so as to prevent the inner-layer film from being damaged by the external environment.
Description
Technical field
The present invention relates to the methane-generating pit material, relate in particular to a kind of nano double tunic methane-generating pit material and preparation method thereof.
Background technology
It is main raw material that present methane-generating pit material generally adopts the PVC PVC RESINS, adds fillers such as various stablizers, inhibitor again and is prepared from.The adding of fillers such as various stablizers, inhibitor has influenced performances such as the tensile strength, elongation at break, weathering resistance of PVC PVC RESINS product, thereby has influenced the work-ing life of methane-generating pit material.Simultaneously, present methane-generating pit material is generally single layer structure, and outside surface requires the methane-generating pit material to have good physical and mechanical properties and resistance to deterioration with the atmosphere contact; And internal surface contacts with strong gases of corrodibility such as the methane in the biogas, hydrogen sulfide for a long time; Require methane-generating pit material resistance to air loss good; And corrosion-resistant, this has just proposed very high requirement to the methane-generating pit material, and present individual layer methane-generating pit material is difficult to reach above requirement.
Summary of the invention
In order to overcome the deficiency of prior art, the object of the present invention is to provide a kind of physical and mechanical properties, resistance to deterioration and resistance to air loss good, and corrosion resistant nano double tunic methane-generating pit material and preparation method thereof.
Technical scheme of the present invention is: a kind of nano double tunic methane-generating pit material, and the component of said methane-generating pit material and parts by weight thereof are:
100 parts of PVC PVC RESINSs;
DOP DOP 15-25 part;
20 parts of DBP Witcizer 300s;
Stablizer 3-4 part;
Oxidation inhibitor 0.1-0.2 part;
Anti-UV agent 0.4-0.6 part;
Nano-calcium carbonate 10-20 part;
Modification red soil 20-30 part;
Other auxiliary agents 1-2 part.
Said stablizer is a kind of in following: barium, zinc composite stabilizer or methyl mercaptan tin heat stabilizer.Wherein, barium, zinc composite stabilizer are the commercially available prod, purchase the Jia Ren standing grain chemistry ltd in Changzhou, and the trade mark is CRV-301.
Said oxidation inhibitor is a kind of in following: four (β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester (antioxidant 1010) or 2, three grades of butyl of 6--4-methylphenol.
Said anti-UV agent is a kind of in following: UV-531 (UV-531) or single phenylformic acid resorcinol (RMB).
Said other auxiliary agents are colorant.
Nano double tunic methane-generating pit preparation methods of the present invention may further comprise the steps:
Step 1, calendering technology: earlier PVC PVC RESINS, DOP DOP, DBP Witcizer 300, stablizer, oxidation inhibitor, anti-UV agent, nano-calcium carbonate, modification red soil and other auxiliary agents are added calendering formation in the calendering formation machine, obtain the film of fitting;
Step 2, attaching process: with the polyester screen cloth is the middle layer, respectively establishes the applying film of one deck by step 1 preparation up and down, and middle layer trevira screen cloth is after dipping, oven dry, plasticizing; Synchronous and levels applying film sends frame by film and is sent in the rigging machine; At 130-140 ℃ down after the abundant preheating, by the order of upper strata applying film, polyester screen cloth, lower floor's applying film three laminatings are lumped together, applying film in upper strata contacts with grain roller; Lower floor's applying film contacts with rubber rollers; Pressurize between two rollers during applying, under 160-170 ℃ binding temperature, nearly the levels applying film of molten state and polyester screen cloth fit together; Laminate pressure is 35-45Kgf, doubling roller speed 4-6m/min;
Step 3, process of surface treatment: carry out monoplanar surface after the trilamellar membrane cooling that step 2 is obtained is cut edge and handle,, obtain the methane-generating pit material of the individual layer that monoplanar surface handles then at 80 ℃ of following heating, dryings;
Step 4, the individual layer methane-generating pit combination of materials use that two groups of monoplanar surface are handled obtain double-deck methane-generating pit material.
Calendering formation temperature in the said step 1 is 170-180 ℃, and pulling speed is 28-35m/min.
Middle layer trevira screen cloth dipping, oven dry, plastifying concrete operations are in the said step 2: behind middle layer trevira screen cloth dipping E-PVC paste solution, at 140 ℃ of oven dry plastics processing 2-3min, paste viscosity is 2500-3500 mPas.
Surface treatment operations in the said step 3 is: adopt the esters of acrylic acid surface treatment agent, coating adopts roller coat to scrape method technology, the trilamellar membrane list surface coated layer protective layer that obtains in step 2.
When the individual layer methane-generating pit material that two groups of monoplanar surface are handled in the said step 4 uses in combination, the surface treatment face of two groups of methane-generating pit materials all outwardly, and two groups of methane-generating pit storerooms have air pressure and form cavity.
Advantage of the present invention is:
(1) select for use nano-calcium carbonate and modification red soil as weighting agent; Overcome filler methane-generating pit tensile strength of material, elongation at break have been influenced big shortcoming; Guarantee that the methane-generating pit material has good physical and mechanical properties; Improve the performance such as weathering resistance, resistance to deterioration of PVC film simultaneously, and then prolonged the work-ing life of duplicature methane-generating pit material.
(2) select for use esters of acrylic acid coating that duplicature methane-generating pit material is carried out surface treatment; Overcome plasticizer migration volatilization in the duplicature methane-generating pit material; The shortcoming that causes duplicature methane-generating pit material to harden and become fragile has improved the weather-proof ageing resistance of duplicature methane-generating pit material simultaneously.
(3) methane-generating pit material of the present invention adopts double membrane structure; Theca interna has advantages such as excellent resistance to air loss, chemical resistance; Can satisfy the performance requriements of biogas fermentation, storage; And adventitia has good physical and mechanical properties and resistance to deterioration, and the protection inner membrance is not destroyed by external environment, has prolonged the work-ing life of biogas material.
(4) preparing method's technology of the present invention is simple; Easy to operate; The polyester screen cloth of selecting dip treating for use has been given duplicature methane-generating pit material good comprehensive performances of the present invention as middle strongthener, inner membrance in the duplicature methane-generating pit material and outer intermembranous formation cavity; Guarantee certain pressure, make adventitia keep definite shape protection inner membrance.
Embodiment
Below in conjunction with embodiment the present invention is done further detailed explanation.
A kind of nano double tunic of the present invention methane-generating pit material, the component of said methane-generating pit material and parts by weight thereof are:
100 parts of PVC PVC RESINSs;
DOP DOP 15-25 part;
20 parts of DBP Witcizer 300s;
Stablizer 3-4 part;
Oxidation inhibitor 0.1-0.2 part;
Anti-UV agent 0.4-0.6 part;
Nano-calcium carbonate 10-20 part;
Modification red soil 20-30 part;
Other auxiliary agents 1-2 part.
Described nano double tunic methane-generating pit preparation methods may further comprise the steps:
Step 1, calendering technology: earlier PVC PVC RESINS, DOP DOP, DBP Witcizer 300, stablizer, oxidation inhibitor, anti-UV agent, nano-calcium carbonate, modification red soil and other auxiliary agents are added calendering formation in the calendering formation machine, obtain the film of fitting;
Step 2, attaching process: with the polyester screen cloth is the middle layer, respectively establishes the applying film of one deck by step 1 preparation up and down, and middle layer trevira screen cloth is after dipping, oven dry, plasticizing; Synchronous and levels applying film sends frame by film and is sent in the rigging machine; At 130-140 ℃ down after the abundant preheating, by the order of upper strata applying film, polyester screen cloth, lower floor's applying film three laminatings are lumped together, applying film in upper strata contacts with grain roller; Lower floor's applying film contacts with rubber rollers; Pressurize between two rollers during applying, under 160-170 ℃ binding temperature, nearly the levels applying film of molten state and polyester screen cloth fit together; Laminate pressure is 35-45Kgf, doubling roller speed 4-6m/min;
Step 3, process of surface treatment: carry out monoplanar surface after the trilamellar membrane cooling that step 2 is obtained is cut edge and handle,, obtain the methane-generating pit material of the individual layer that monoplanar surface handles then at 80 ℃ of following heating, dryings;
Step 4, the individual layer methane-generating pit combination of materials use that two groups of monoplanar surface are handled obtain double-deck methane-generating pit material.
Embodiment 1
The component and the weight of individual layer methane-generating pit material are:
PVC PVC RESINS 100 kg;
DOP DOP 15 kg;
DBP Witcizer 300 20 kg;
Barium, zinc composite stabilizer 3 kg;
Oxidation inhibitor four (β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester 0.1 kg;
Anti-UV agent UV-531 0.4 kg;
Nano-calcium carbonate 10 kg;
Modification red soil 20 kg;
Colorant 1 kg.
Described nano double tunic methane-generating pit preparation methods may further comprise the steps:
Step 1, calendering technology: earlier PVC PVC RESINS, DOP DOP, DBP Witcizer 300, stablizer, oxidation inhibitor, anti-UV agent, nano-calcium carbonate, modification red soil and other auxiliary agents are added calendering formation in the calendering formation machine, obtain the film of fitting; The calendering formation temperature is 170 ℃, and pulling speed is 28m/min.
Step 2, attaching process: with the polyester screen cloth is the middle layer, respectively establishes the applying film of one deck by step 1 preparation up and down, after middle layer trevira screen cloth floods E-PVC paste solution 2-3s earlier; At 140 ℃ of oven dry plastics processing 2-3min; Paste viscosity is 2500mPas, more pretreated trevira screen cloth is synchronously sent frame with levels applying film by film and is sent in the rigging machine, after 130 ℃ times abundant preheatings; Order by upper strata applying film, polyester screen cloth, lower floor's applying film lumps together three laminatings; Applying film in upper strata contacts with grain roller, and lower floor's applying film contacts with rubber rollers, pressurizes between two rollers during applying; Under 170 ℃ binding temperature, nearly the levels applying film of molten state and polyester screen cloth fit together; Laminate pressure is 40Kgf, doubling roller speed 5m/min;
Step 3, process of surface treatment: carry out monoplanar surface after the trilamellar membrane cooling that step 2 is obtained is cut edge and handle; Adopt the esters of acrylic acid surface treatment agent; Coating adopts roller coat to scrape method technology; Trilamellar membrane list surface coated layer protective layer in that step 2 obtains then at 80 ℃ of following heating, dryings, obtains the methane-generating pit material of the individual layer of monoplanar surface processing.
Step 4, the individual layer methane-generating pit combination of materials that two groups of monoplanar surface are handled use, the surface treatment face of two groups of methane-generating pit materials all outwardly, and two groups of methane-generating pit storerooms have air pressure and form cavity, obtain the double-deck methane-generating pit material of nanometer.
Embodiment 2
The component and the weight of individual layer methane-generating pit material are:
PVC PVC RESINS 100 kg;
DOP DOP 25 kg;
DBP Witcizer 300 20 kg;
Barium, zinc composite stabilizer 4 kg;
Oxidation inhibitor 2, three grades of butyl of 6--4-methylphenol 0.2 kg;
The single phenylformic acid resorcinol of anti-UV agent 0.6 kg;
Nano-calcium carbonate 20 kg;
Modification red soil 30 kg;
Colorant 2 kg.
Described nano double tunic methane-generating pit preparation methods may further comprise the steps:
Step 1, calendering technology: earlier PVC PVC RESINS, DOP DOP, DBP Witcizer 300, stablizer, oxidation inhibitor, anti-UV agent, nano-calcium carbonate, modification red soil and other auxiliary agents are added calendering formation in the calendering formation machine, obtain the film of fitting; The calendering formation temperature is 180 ℃, and pulling speed is 35m/min.
Step 2, attaching process: with the polyester screen cloth is the middle layer, respectively establishes the applying film of one deck by step 1 preparation up and down, after middle layer trevira screen cloth floods E-PVC paste solution 2-3s earlier; At 140 ℃ of oven dry plastics processing 2-3min; Paste viscosity is 3500 mPas, more pretreated trevira screen cloth is synchronously sent frame with levels applying film by film and is sent in the rigging machine, after 140 ℃ times abundant preheatings; Order by upper strata applying film, polyester screen cloth, lower floor's applying film lumps together three laminatings; Applying film in upper strata contacts with grain roller, and lower floor's applying film contacts with rubber rollers, pressurizes between two rollers during applying; Under 160 ℃ binding temperature, nearly the levels applying film of molten state and polyester screen cloth fit together; Laminate pressure is 35Kgf, doubling roller speed 4m/min;
Step 3, process of surface treatment: carry out monoplanar surface after the trilamellar membrane cooling that step 2 is obtained is cut edge and handle; Adopt the esters of acrylic acid surface treatment agent; Coating adopts roller coat to scrape method technology; Trilamellar membrane list surface coated layer protective layer in that step 2 obtains then at 80 ℃ of following heating, dryings, obtains the methane-generating pit material of the individual layer of monoplanar surface processing.
Step 4, the individual layer methane-generating pit combination of materials that two groups of monoplanar surface are handled use, the surface treatment face of two groups of methane-generating pit materials all outwardly, and two groups of methane-generating pit storerooms have air pressure and form cavity, obtain the double-deck methane-generating pit material of nanometer.
Embodiment 3
The component and the weight of individual layer methane-generating pit material are:
PVC PVC RESINS 100 kg;
DOP DOP 20 kg;
DBP Witcizer 300 20 kg;
Methyl mercaptan tin heat stabilizer 3.5 kg;
Oxidation inhibitor four (β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester 0.15 kg;
Anti-UV agent UV-531 0.5 kg;
Nano-calcium carbonate 15 kg;
Modification red soil 25 kg;
Colorant 1.5 kg.
Described nano double tunic methane-generating pit preparation methods may further comprise the steps:
Step 1, calendering technology: earlier PVC PVC RESINS, DOP DOP, DBP Witcizer 300, stablizer, oxidation inhibitor, anti-UV agent, nano-calcium carbonate, modification red soil and other auxiliary agents are added calendering formation in the calendering formation machine, obtain the film of fitting; The calendering formation temperature is 175 ℃, and pulling speed is 32m/min.
Step 2, attaching process: with the polyester screen cloth is the middle layer, respectively establishes the applying film of one deck by step 1 preparation up and down, after middle layer trevira screen cloth floods E-PVC paste solution 2-3s earlier; At 140 ℃ of oven dry plastics processing 2-3min; Paste viscosity is 3000 mPas, more pretreated trevira screen cloth is synchronously sent frame with levels applying film by film and is sent in the rigging machine, after 135 ℃ times abundant preheatings; Order by upper strata applying film, polyester screen cloth, lower floor's applying film lumps together three laminatings; Applying film in upper strata contacts with grain roller, and lower floor's applying film contacts with rubber rollers, pressurizes between two rollers during applying; Under 165 ℃ binding temperature, nearly the levels applying film of molten state and polyester screen cloth fit together; Laminate pressure is 45Kgf, doubling roller speed 6m/min;
Step 3, process of surface treatment: carry out monoplanar surface after the trilamellar membrane cooling that step 2 is obtained is cut edge and handle; Adopt the esters of acrylic acid surface treatment agent; Coating adopts roller coat to scrape method technology; Trilamellar membrane list surface coated layer protective layer in that step 2 obtains then at 80 ℃ of following heating, dryings, obtains the methane-generating pit material of the individual layer of monoplanar surface processing.
Step 4, the individual layer methane-generating pit combination of materials that two groups of monoplanar surface are handled use, the surface treatment face of two groups of methane-generating pit materials all outwardly, and two groups of methane-generating pit storerooms have air pressure and form cavity, obtain the double-deck methane-generating pit material of nanometer.
Claims (10)
1. nano double tunic methane-generating pit material, it is characterized in that: the component of said methane-generating pit material and parts by weight thereof are:
100 parts of PVC PVC RESINSs;
DOP DOP 15-25 part;
20 parts of DBP Witcizer 300s;
Stablizer 3-4 part;
Oxidation inhibitor 0.1-0.2 part;
Anti-UV agent 0.4-0.6 part;
Nano-calcium carbonate 10-20 part;
Modification red soil 20-30 part;
Other auxiliary agents 1-2 part.
2. nano double tunic methane-generating pit material according to claim 1 is characterized in that: said stablizer is a kind of in following: barium, zinc composite stabilizer or methyl mercaptan tin heat stabilizer.
3. nano double tunic methane-generating pit material according to claim 1 is characterized in that: said oxidation inhibitor is a kind of in following: four (β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester or 2, three grades of butyl of 6--4-methylphenol.
4. nano double tunic methane-generating pit material according to claim 1 is characterized in that: said anti-UV agent is a kind of in following: UV-531 or single phenylformic acid resorcinol.
5. nano double tunic methane-generating pit material according to claim 1, it is characterized in that: said other auxiliary agents are colorant.
6. nano double tunic methane-generating pit preparation methods according to claim 1, it is characterized in that: said preparation method may further comprise the steps:
Step 1, calendering technology: earlier PVC PVC RESINS, DOP DOP, DBP Witcizer 300, stablizer, oxidation inhibitor, anti-UV agent, nano-calcium carbonate, modification red soil and other auxiliary agents are added calendering formation in the calendering formation machine, obtain the film of fitting;
Step 2, attaching process: with the polyester screen cloth is the middle layer, respectively establishes the applying film of one deck by step 1 preparation up and down, and middle layer trevira screen cloth is after dipping, oven dry, plasticizing; Synchronous and levels applying film sends frame by film and is sent in the rigging machine; At 130-140 ℃ down after the abundant preheating, by the order of upper strata applying film, polyester screen cloth, lower floor's applying film three laminatings are lumped together, applying film in upper strata contacts with grain roller; Lower floor's applying film contacts with rubber rollers; Pressurize between two rollers during applying, under 160-170 ℃ binding temperature, nearly the levels applying film of molten state and polyester screen cloth fit together; Laminate pressure is 35-45Kgf, doubling roller speed 4-6m/min;
Step 3, process of surface treatment: carry out monoplanar surface after the trilamellar membrane cooling that step 2 is obtained is cut edge and handle,, obtain the methane-generating pit material of the individual layer that monoplanar surface handles then at 80 ℃ of following heating, dryings;
Step 4, the individual layer methane-generating pit combination of materials use that two groups of monoplanar surface are handled obtain double-deck methane-generating pit material.
7. nano double tunic methane-generating pit preparation methods according to claim 6, it is characterized in that: the calendering formation temperature in the said step 1 is 170-180 ℃, pulling speed is 28-35m/min.
8. nano double tunic methane-generating pit preparation methods according to claim 6; It is characterized in that: middle layer trevira screen cloth dipping, oven dry, plastifying concrete operations are in the said step 2: behind middle layer trevira screen cloth dipping E-PVC paste solution; At 140 ℃ of oven dry plastics processing 2-3min, paste viscosity is 2500-3500 mPas.
9. nano double tunic methane-generating pit preparation methods according to claim 6; It is characterized in that: the surface treatment operations in the said step 3 is: adopt the esters of acrylic acid surface treatment agent; Coating adopts roller coat to scrape method technology, the trilamellar membrane list surface coated layer protective layer that obtains in step 2.
10. nano double tunic methane-generating pit preparation methods according to claim 6; It is characterized in that: the individual layer methane-generating pit material of two groups of monoplanar surface processing is when combination is used in the said step 4; The surface treatment face of two groups of methane-generating pit materials all outwardly, and two groups of methane-generating pit storerooms have air pressure and form cavity.
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| CN114854147A (en) * | 2022-05-26 | 2022-08-05 | 安徽工业大学 | Industrial solid waste base PVC calendering film matrix high-temperature resistant material and preparation method thereof |
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| CN114854147A (en) * | 2022-05-26 | 2022-08-05 | 安徽工业大学 | Industrial solid waste base PVC calendering film matrix high-temperature resistant material and preparation method thereof |
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| CN102558713B (en) | 2014-04-23 |
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