CN117820724A - Efficient composite PVC (polyvinyl chloride) lubricant and preparation method thereof - Google Patents
Efficient composite PVC (polyvinyl chloride) lubricant and preparation method thereof Download PDFInfo
- Publication number
- CN117820724A CN117820724A CN202311827438.2A CN202311827438A CN117820724A CN 117820724 A CN117820724 A CN 117820724A CN 202311827438 A CN202311827438 A CN 202311827438A CN 117820724 A CN117820724 A CN 117820724A
- Authority
- CN
- China
- Prior art keywords
- organic acid
- lubricant
- composite pvc
- preparing
- hydroxide
- 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
Links
- 239000000314 lubricant Substances 0.000 title claims abstract description 66
- 238000002360 preparation method Methods 0.000 title claims abstract description 34
- 239000002131 composite material Substances 0.000 title claims abstract description 30
- 229920000915 polyvinyl chloride Polymers 0.000 title description 59
- 239000004800 polyvinyl chloride Substances 0.000 title description 59
- 150000007524 organic acids Chemical class 0.000 claims abstract description 70
- 239000000463 material Substances 0.000 claims abstract description 45
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 20
- 229910000000 metal hydroxide Inorganic materials 0.000 claims abstract description 17
- 150000004692 metal hydroxides Chemical class 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims description 24
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 22
- 238000003756 stirring Methods 0.000 claims description 18
- 238000002844 melting Methods 0.000 claims description 16
- 230000008018 melting Effects 0.000 claims description 16
- 239000000498 cooling water Substances 0.000 claims description 10
- 235000005985 organic acids Nutrition 0.000 claims description 10
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 9
- 239000000920 calcium hydroxide Substances 0.000 claims description 9
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 9
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 9
- 239000000347 magnesium hydroxide Substances 0.000 claims description 9
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 9
- -1 C12 organic acid Chemical class 0.000 claims description 8
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 8
- 239000000194 fatty acid Substances 0.000 claims description 8
- 229930195729 fatty acid Natural products 0.000 claims description 8
- 150000004665 fatty acids Chemical class 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 claims description 6
- 229910021511 zinc hydroxide Inorganic materials 0.000 claims description 6
- 229940007718 zinc hydroxide Drugs 0.000 claims description 6
- 239000000344 soap Substances 0.000 abstract description 21
- 239000006227 byproduct Substances 0.000 abstract description 13
- 229910052751 metal Inorganic materials 0.000 abstract description 12
- 239000002184 metal Substances 0.000 abstract description 12
- 150000003839 salts Chemical class 0.000 abstract description 12
- 238000005461 lubrication Methods 0.000 abstract description 8
- 150000001875 compounds Chemical class 0.000 abstract description 7
- 238000009776 industrial production Methods 0.000 abstract description 5
- 239000000155 melt Substances 0.000 abstract description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052749 magnesium Inorganic materials 0.000 abstract description 4
- 239000011777 magnesium Substances 0.000 abstract description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 3
- 239000002253 acid Substances 0.000 abstract description 3
- 229910052791 calcium Inorganic materials 0.000 abstract description 3
- 239000011575 calcium Substances 0.000 abstract description 3
- 239000011347 resin Substances 0.000 description 15
- 229920005989 resin Polymers 0.000 description 15
- 239000000047 product Substances 0.000 description 13
- 239000006057 Non-nutritive feed additive Substances 0.000 description 12
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 12
- 239000006084 composite stabilizer Substances 0.000 description 12
- 238000002156 mixing Methods 0.000 description 9
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 8
- 239000004605 External Lubricant Substances 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 238000007790 scraping Methods 0.000 description 6
- 238000007127 saponification reaction Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000011787 zinc oxide Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 235000021355 Stearic acid Nutrition 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000001308 synthesis method Methods 0.000 description 2
- TWJNQYPJQDRXPH-UHFFFAOYSA-N 2-cyanobenzohydrazide Chemical compound NNC(=O)C1=CC=CC=C1C#N TWJNQYPJQDRXPH-UHFFFAOYSA-N 0.000 description 1
- 239000004610 Internal Lubricant Substances 0.000 description 1
- 239000005639 Lauric acid Substances 0.000 description 1
- 235000021360 Myristic acid Nutrition 0.000 description 1
- TUNFSRHWOTWDNC-UHFFFAOYSA-N Myristic acid Natural products CCCCCCCCCCCCCC(O)=O TUNFSRHWOTWDNC-UHFFFAOYSA-N 0.000 description 1
- 235000021314 Palmitic acid Nutrition 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- WFAAYNUTSKDMEB-UHFFFAOYSA-N calcium magnesium zinc oxygen(2-) Chemical compound [O-2].[Ca+2].[O-2].[Mg+2].[O-2].[Zn+2] WFAAYNUTSKDMEB-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Lubricants (AREA)
Abstract
The invention provides a high-efficiency composite PVC lubricant and a preparation method thereof. In the process, the mixed organic acid of the metal hydroxide and the C12-C18 synthesizes the metal soap salt, so that the pungent smell of the hybridized acid is reduced, the converted metal soap salt is more stable, and a new method and a new way are provided for the treatment of the hybridized organic acid of the C12-C18; and the melt viscosity of the zinc-less soap and the calcium-rich magnesium soap is reduced by adding the molten PE wax, and the cooling tabletting forming is easier to operate, so that the prepared lubricant compound can realize good internal and external lubrication in the preparation process of the PVC material, and the preparation method has simple flow, can realize continuous industrial production, realizes good economic value of the by-product mixed organic acid in the oil industry, and is convenient to popularize and apply.
Description
Technical Field
The invention relates to the field of preparation of PVC lubricants, in particular to a high-efficiency composite PVC lubricant and a preparation method thereof.
Background
In the production process of the oil industry, more byproducts are generated, the main components of the byproducts generally comprise C12-C18 organic acids, when the mixed organic acids are impure, particularly contain C12 organic acids with large smell, the direct use is limited, and the cost is increased due to the refining, separating and purifying of the mixed organic acids, so that the mixed organic acids generated in the oil industry cannot realize good economic utilization value.
In the preparation process of the PVC material, an internal lubricant and an external lubricant are often used, the use environment of the lubricant is in high-temperature materials, machine screws, screw barrels and molds, and the PVC lubricant has the functions of improving the fluidity of resin and the demolding property of products in plastic processing and preventing defects caused by adhesion in machines or molds. In the prior art, stearic acid is used as a lubricant in the preparation process of PVC materials by using metal hydroxide to synthesize metal soap salt in one step.
Therefore, the PVC lubricant with high internal and external lubrication effects prepared by mixing the byproducts and the organic acid in the oil industry is researched to have great significance in the recycling treatment of the byproducts.
Disclosure of Invention
The invention aims at: aiming at the problem that the mixed organic acid produced in the oil industry cannot realize good economic utilization value in the prior art, the invention provides a high-efficiency composite PVC lubricant and a preparation method thereof, wherein zinc-calcium-magnesium oxide is used for saponification reaction of the PVC lubricant, the low-cost C12-C18 organic acid can be effectively converted into metal soap salt, and additionally molten external lubricant is used for reducing the melt viscosity of zinc-less soap multi-calcium magnesium soap, so that the cooling tabletting forming is easier to operate, the prepared lubricant compound can realize good internal and external lubrication in the preparation process of PVC materials, the preparation method has simple flow, continuous industrial production can be realized, the byproduct mixed organic acid in the oil industry can realize good economic value, and the popularization and application are convenient.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the preparation method of the efficient composite PVC lubricant comprises the following steps:
step 1, adding mixed organic acid into a reaction kettle with the set temperature of 90-100 ℃, carrying out melting treatment under the stirring condition, then raising the temperature of the material to 100-110 ℃, and continuing stirring until the mixed organic acid is completely melted;
step 2, slowly adding metal hydroxide into the completely melted material obtained in the step 1, and stirring;
step 3, adding a diluted solution of hydrogen peroxide into the material obtained in the step 2, and reacting for at least 30min at 100-110 ℃;
step 4, adding PE wax into the material obtained in the step 3, and preserving heat for at least 30min at 100-110 ℃ after the PE wax is melted;
step 5, guiding the feed liquid obtained in the step 4 to a circulating cooling water slicer for cooling slicing to obtain the efficient composite PVC lubricant;
the mixed organic acids include fatty acid I and fatty acid II.
The invention provides a preparation method of a high-efficiency composite PVC lubricant, which mainly comprises the steps of completely melting mixed organic acid, adding metal hydroxide and hydrogen peroxide solution for reaction, then adding PE wax for heat preservation and compounding, and then cooling and slicing the compound to prepare the high-efficiency composite PVC lubricant. In this process, a mixed organic acid of a metal hydroxide and C12-C18 synthesizes a metal soap salt, a metal ion is combined with a carbon chain, H+ is combined with a COOH-functional group, and H is removed 2 O. The saponification synthesis method is utilized to effectively convert the organic acid of the hybrid C12-C18 into the hybrid metal soap salt, so that the pungent smell of the hybrid acid is reduced, the converted metal soap salt is more stable, and a new method and a new way are provided for the treatment of the organic acid of the hybrid C12-C18; and the melt viscosity of the zinc-less soap and the calcium-rich magnesium soap is reduced by adding the molten PE wax, and the cooling tabletting forming is easier to operate, so that the prepared lubricant compound can realize good internal and external lubrication in the preparation process of the PVC material, and the preparation method has simple flow, can realize continuous industrial production, realizes good economic value of the by-product mixed organic acid in the oil industry, and is convenient to popularize and apply.
Further, the fatty acid I is at least one of C12 organic acid, C13 organic acid and C14 organic acid. Further, the fatty acid II is at least one of C15 organic acid, C16 organic acid, C17 organic acid and C18 organic acid.
The mixed organic acid used in the present application mainly includes organic acids of low carbon content and organic acids of high carbon content.
For example, the C12 organic acid is lauric acid; c14 organic acid is myristic acid; the C16 organic acid is palmitic acid and the C18 organic acid is stearic acid.
Further, in the process of preparing the efficient composite PVC lubricant, the additive weight ratio of the mixed organic acid, the metal hydroxide, the hydrogen peroxide and the PE wax is as follows: 50-70: 7.5 to 8.5:0.2 to 0.3: 30-40. Preferably, in the process of preparing the efficient composite PVC lubricant, the organic acid, the metal hydroxide, the hydrogen peroxide and the PE wax are mixed according to the following weight ratio: 60-70: 8.0 to 8.5:0.25 to 0.3: 30-35.
Further, the metal hydroxide is at least one of zinc hydroxide, calcium hydroxide and magnesium hydroxide.
Further, the metal hydroxide is a mixture of zinc hydroxide, calcium hydroxide and magnesium hydroxide, wherein the added weight ratio of the zinc hydroxide, the magnesium hydroxide and the calcium hydroxide is 8-12: 50-60: 12-20. Research shows that the reasonable proportioning and matching of various metal hydroxides can ensure that the reaction stability is high and the saponification synthesis effect is better in the process of preparing the lubricant.
Further, in the step 3, the reaction is carried out for 30-45 min; in the step 4, the temperature is kept for 30 to 45 minutes at the temperature of 100 to 110 ℃.
It is a further object of the present invention to provide a lubricant product made by the above manufacturing process.
The lubricant product prepared by the preparation method of the high-efficiency composite PVC lubricant.
The efficient composite PVC lubricant provided by the invention is a cooling tabletting substance, has good internal and external lubrication effects when being used in the preparation process of PVC materials, can ensure higher fluidity of resin and demolding property of products, has better quality, lower cost and high environmental protection property, and is beneficial to popularization.
It is a further object of the present invention to provide the use of the lubricant product described above.
The use of a lubricant product as described above for the preparation of a PVC material.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. the invention provides a preparation method of a high-efficiency composite PVC lubricant, which mainly comprises the steps of completely melting mixed organic acid, adding metal hydroxide and hydrogen peroxide solution for reaction, then adding PE wax for heat preservation and compounding, and then cooling and slicing the compound to prepare the high-efficiency composite PVC lubricant. In this process, a mixed organic acid of a metal hydroxide and C12-C18 synthesizes a metal soap salt, a metal ion is combined with a carbon chain, H+ is combined with a COOH-functional group, and H is removed 2 O. The saponification synthesis method is utilized to effectively convert the organic acid of the hybrid C12-C18 into the hybrid metal soap salt, so that the pungent smell of the hybrid acid is reduced, the converted metal soap salt is more stable, and a new method and a new way are provided for the treatment of the organic acid of the hybrid C12-C18; and the melt viscosity of the zinc-less soap and the calcium-rich magnesium soap is reduced by adding the molten PE wax, and the cooling tabletting forming is easier to operate, so that the prepared lubricant compound can realize good internal and external lubrication in the preparation process of the PVC material, and the preparation method has simple flow, can realize continuous industrial production, realizes good economic value of the by-product mixed organic acid in the oil industry, and is convenient to popularize and apply.
2. The efficient composite PVC lubricant provided by the invention is a cooling tabletting substance, has good internal and external lubrication effects when being used in the preparation process of PVC materials, can ensure higher fluidity of resin and demolding property of products, has better quality, lower cost and high environmental protection property, and is beneficial to popularization.
3. The invention provides application of a high-efficiency composite PVC lubricant.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
The byproduct of a certain production line of a certain oil and fat factory is a mixture of C12 organic acid and C16 organic acid.
Adding 6kg of mixed organic acid into a stainless steel reaction kettle with the temperature set at 100 ℃, opening a stirring paddle of the reaction kettle during material melting, setting the rotating speed at 50HZ, and taking 30min for further melting of the mixed organic acid under stirring, and raising the temperature of the material to 105 ℃ to completely melt the mixed organic acid.
0.1kg of zinc oxide, 0.56kg of magnesium hydroxide and 0.16kg of calcium hydroxide are slowly added into the kettle for 15min, and stirring is carried out.
Weighing 0.025kg of industrial hydrogen peroxide, adding water to dilute to 0.25kg, pouring into a reaction kettle, and timing and reacting for 30min when the temperature is raised to 105 ℃.
After the time is up, 3.2kg PE wax is put into the kettle, and the kettle is kept at 105 ℃ for 30min after the external lubricant is melted.
And (3) opening circulating cooling water of the slicer, opening a slicer starting motor, setting the rotating speed at 10HZ, opening a valve at the bottom of the reaction kettle after the time reaches, enabling feed liquid to flow onto a roller of the slicer along a pipeline, controlling proper flow speed, cooling slices on the circulating cooling water slicer, scraping the slices on the roller by a scraping blade, dropping the slices into a collecting tank, and collecting the slices by the collecting tank for detection and packaging.
Preparation of PVC Material
80 parts of PVC resin, 2 parts of processing aid, 5 parts of calcium-zinc composite stabilizer and 1.5 parts of lubricant prepared in example 1.
Mixing PVC resin, a processing aid, a calcium-zinc composite stabilizer and a lubricant, and drying;
then extrusion molding is carried out, the temperature of the feeding section is 85 ℃, the temperature of the melting section is 145 ℃, and the temperature of the molding section is 175 ℃; cooling to obtain the PVC material product.
Example 2
The byproducts of a certain production line of a certain oil and fat factory are a mixture of C12 organic acid, C14 organic acid and C18 organic acid.
5kg of mixed organic acid is put into a stainless steel reaction kettle with the temperature set at 95 ℃, the stirring paddle of the reaction kettle is opened during material melting, the rotating speed is set at 50HZ, the mixed organic acid is further melted under stirring for 30min, and the material temperature is raised to 110 ℃ to completely melt the mixed organic acid.
Slowly adding 0.8kg of zinc oxide into the kettle, taking 15min, and stirring.
0.022kg of industrial hydrogen peroxide is weighed, water is added to dilute to 0.22kg, the mixture is poured into a reaction kettle, and the reaction is performed for 30 minutes when the temperature is raised to 110 ℃.
After the time is up, 3kg PE wax is added into the kettle, and the kettle is kept at 110 ℃ for 45min after the external lubricant is melted.
And (3) opening circulating cooling water of the slicer, opening a slicer starting motor, setting the rotating speed at 10HZ, opening a valve at the bottom of the reaction kettle after the time reaches, enabling feed liquid to flow onto a roller of the slicer along a pipeline, controlling proper flow speed, cooling slices on the circulating cooling water slicer, scraping the slices on the roller by a scraping blade, dropping the slices into a collecting tank, and collecting the slices by the collecting tank for detection and packaging.
Preparation of PVC Material
80 parts of PVC resin, 2 parts of processing aid, 5 parts of calcium-zinc composite stabilizer and 1.5 parts of lubricant prepared in example 2.
Mixing PVC resin, a processing aid, a calcium-zinc composite stabilizer and a lubricant, and drying;
then extrusion molding is carried out, the temperature of the feeding section is 85 ℃, the temperature of the melting section is 145 ℃, and the temperature of the molding section is 175 ℃; cooling to obtain the PVC material product.
Example 3
The byproducts of a certain production line of a certain oil and fat factory are a mixture of C12 organic acid, C14 organic acid and C16 organic acid.
7kg of mixed organic acid is put into a stainless steel reaction kettle with the temperature set at 90 ℃, the stirring paddle of the reaction kettle is opened during material melting, the rotating speed is set at 50HZ, the mixed organic acid is further melted under stirring for 30min, and the temperature of the material rises to 100 ℃ to completely melt the mixed organic acid.
0.12kg of zinc oxide, 0.6kg of magnesium hydroxide and 0.18kg of calcium hydroxide are slowly added into the kettle for 15min, and stirring is carried out.
Weighing 0.03kg of industrial hydrogen peroxide, adding water to dilute to 0.3kg, pouring into a reaction kettle, and timing and reacting for 40min when the temperature is raised to 110 ℃.
After the time is up, 4kg of external lubricant is put into the kettle, and the kettle is kept at 110 ℃ for 40min after the external lubricant is melted.
And (3) opening circulating cooling water of the slicer, opening a slicer starting motor, setting the rotating speed at 10HZ, opening a valve at the bottom of the reaction kettle after the time reaches, enabling feed liquid to flow onto a roller of the slicer along a pipeline, controlling proper flow speed, cooling slices on the circulating cooling water slicer, scraping the slices on the roller by a scraping blade, dropping the slices into a collecting tank, and collecting the slices by the collecting tank for detection and packaging.
Preparation of PVC Material
80 parts of PVC resin, 2 parts of processing aid, 5 parts of calcium-zinc composite stabilizer and 1.5 parts of lubricant prepared in example 3.
Mixing PVC resin, a processing aid, a calcium-zinc composite stabilizer and a lubricant, and drying;
then extrusion molding is carried out, the temperature of the feeding section is 85 ℃, the temperature of the melting section is 145 ℃, and the temperature of the molding section is 175 ℃; cooling to obtain the PVC material product.
Comparative example 1
Comparative example 1 compared with example 1, a lubricant was prepared by cooling and slicing the prepared metal soap salt without adding PE wax during the preparation of the lubricant. The specific operation is as follows:
the byproduct of a certain production line of a certain oil and fat factory is a mixture of C12 organic acid and C16 organic acid.
Adding 6kg of mixed organic acid into a stainless steel reaction kettle with the temperature set at 100 ℃, opening a stirring paddle of the reaction kettle during material melting, setting the rotating speed at 50HZ, and taking 30min for further melting of the mixed organic acid under stirring, and raising the temperature of the material to 105 ℃ to completely melt the mixed organic acid.
0.1kg of zinc oxide, 0.56kg of magnesium hydroxide and 0.16kg of calcium hydroxide are slowly added into the kettle for 15min, and stirring is carried out.
Weighing 0.025kg of industrial hydrogen peroxide, adding water to dilute to 0.25kg, pouring into a reaction kettle, and timing and reacting for 30min when the temperature is raised to 105 ℃.
And (3) opening circulating cooling water of the slicer, opening a start motor of the slicer, setting the rotating speed at 10HZ, opening a valve of a bottom valve of the reaction kettle after the time is up, enabling feed liquid to flow onto a roller of the slicer along a pipeline, controlling proper flow rate, cooling and slicing on the circulating cooling water slicer, and obviously reducing the cooling formability of material tabletting through observation, so that the appearance quality of the lubricant is reduced to some extent.
Preparation of PVC Material
80 parts of PVC resin, 2 parts of processing aid, 5 parts of calcium-zinc composite stabilizer and 1.5 parts of lubricant prepared in comparative example 1.
Mixing PVC resin, a processing aid, a calcium-zinc composite stabilizer and a lubricant, and drying;
then extrusion molding is carried out, the temperature of the feeding section is 85 ℃, the temperature of the melting section is 145 ℃, and the temperature of the molding section is 175 ℃;
cooling to obtain the PVC material product.
Comparative example 2
Comparative example 2 PE wax was directly used as a lubricant.
Preparation of PVC Material
80 parts of PVC resin, 2 parts of processing aid, 5 parts of calcium-zinc composite stabilizer and 1.5 parts of lubricant prepared in comparative example 2.
Mixing PVC resin, a processing aid, a calcium-zinc composite stabilizer and a lubricant, and drying;
then extrusion molding is carried out, the temperature of the feeding section is 85 ℃, the temperature of the melting section is 145 ℃, and the temperature of the molding section is 175 ℃;
cooling to obtain the PVC material product.
Comparative example 3
Comparative example 3 the lubricant prepared in comparative example 1 was directly mixed with PE wax to be used as a lubricant.
Preparation of PVC Material
80 parts of PVC resin, 2 parts of processing aid, 5 parts of calcium-zinc composite stabilizer, 0.5 part of lubricant prepared in comparative example 1 and 1 part of PE wax.
Mixing PVC resin, a processing aid, a calcium-zinc composite stabilizer and two lubricants, and drying;
then extrusion molding is carried out, the temperature of the feeding section is 85 ℃, the temperature of the melting section is 145 ℃, and the temperature of the molding section is 175 ℃;
cooling to obtain the PVC material product.
Testing
The surface gloss and melt flow rate (5 kg,190 ℃) of 3.17g/10min were recorded for the PVC material articles prepared in examples 1-3 and comparative examples 1-3, and the test results are shown in Table 1.
Table 1 results of testing the performance index of the PVC material prepared in examples and comparative examples
From the test results in table 1, it can be seen that the composite lubricant prepared by the application can show good internal and external lubricating properties when preparing the PVC material, and is superior to the comprehensive lubricating effect of the metal saponification salt prepared by mixing the organic acid and the PE wax mixed and added to the prepared PVC material. The invention provides a new method and a new way for the treatment of the hybridized C12-C18 organic acid; the melt viscosity of the zinc-less soap and calcium-less magnesium soap is reduced by adding the molten PE wax, and the cooling tabletting forming is easier to operate, so that the prepared lubricant compound can realize good internal and external lubrication in the preparation process of PVC materials, and the preparation method has simple flow, can realize continuous industrial production, realizes good economic value by mixing organic acids with byproducts in the oil industry, and is convenient to popularize and apply
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. The preparation method of the efficient composite PVC lubricant is characterized by comprising the following steps of:
step 1, adding mixed organic acid into a reaction kettle with the set temperature of 90-100 ℃, carrying out melting treatment under the stirring condition, then raising the temperature of the material to 100-110 ℃, and continuing stirring until the mixed organic acid is completely melted;
step 2, slowly adding metal hydroxide into the completely melted material obtained in the step 1, and stirring;
step 3, adding a diluted solution of hydrogen peroxide into the material obtained in the step 2, and reacting for at least 30min at 100-110 ℃;
step 4, adding PE wax into the material obtained in the step 3, and preserving heat for at least 30min at 100-110 ℃ after the PE wax is melted;
step 5, guiding the feed liquid obtained in the step 4 to a circulating cooling water slicer for cooling slicing to obtain the efficient composite PVC lubricant;
the mixed organic acids include fatty acid I and fatty acid I I.
2. The method of preparing a high-efficiency composite PVC lubricant according to claim 1, wherein the fatty acid I is at least one of a C12 organic acid, a C13 organic acid and a C14 organic acid.
3. The method of preparing a high efficiency composite PVC lubricant according to claim 2, wherein the fatty acid I I is at least one of a C15 organic acid, a C16 organic acid, a C17 organic acid and a C18 organic acid.
4. The method for preparing the efficient composite PVC lubricant according to claim 1, wherein in the process of preparing the efficient composite PVC lubricant, the organic acid, the metal hydroxide, the hydrogen peroxide and the PE wax are mixed according to the following weight ratio: 50-70: 7.5 to 8.5:0.2 to 0.3: 30-40.
5. The method for preparing the efficient composite PVC lubricant according to claim 2, wherein in the process of preparing the efficient composite PVC lubricant, the organic acid, the metal hydroxide, the hydrogen peroxide and the PE wax are mixed according to the following weight ratio: 60-70: 8.0 to 8.5:0.25 to 0.3: 30-35.
6. The method of preparing a high-efficiency composite PVC lubricant according to claim 1, wherein the metal hydroxide is at least one of zinc hydroxide, calcium hydroxide and magnesium hydroxide.
7. The method for preparing the efficient composite PVC lubricant according to claim 6, wherein the metal hydroxide is a mixture of zinc hydroxide, calcium hydroxide and magnesium hydroxide, and the adding weight ratio of the zinc hydroxide, the magnesium hydroxide and the calcium hydroxide is 8-12: 50-60: 12-20.
8. The method for preparing a high-efficiency composite PVC lubricant according to any one of claims 1 to 7, wherein in the step 3, the reaction is performed for 30 to 45 minutes; in the step 4, the temperature is kept for 30 to 45 minutes at the temperature of 100 to 110 ℃.
9. A lubricant product prepared by the method for preparing a high-efficiency composite PVC lubricant according to any one of claims 1 to 8.
10. Use of the lubricant product according to claim 9 for the preparation of PVC material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311827438.2A CN117820724A (en) | 2023-12-28 | 2023-12-28 | Efficient composite PVC (polyvinyl chloride) lubricant and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311827438.2A CN117820724A (en) | 2023-12-28 | 2023-12-28 | Efficient composite PVC (polyvinyl chloride) lubricant and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117820724A true CN117820724A (en) | 2024-04-05 |
Family
ID=90520444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311827438.2A Pending CN117820724A (en) | 2023-12-28 | 2023-12-28 | Efficient composite PVC (polyvinyl chloride) lubricant and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117820724A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4544694A (en) * | 1982-12-27 | 1985-10-01 | American Hoechst Corporation | Extrusion lubricant composition and process |
| CN101012406A (en) * | 2006-10-12 | 2007-08-08 | 李建成 | Method of manufacturing composite fatty acid polyalcohol ester lubricant |
| CN101578356A (en) * | 2006-10-30 | 2009-11-11 | 霍尼韦尔国际公司 | Multicomponent lubricant composition for processing rigid vinyl chloride polymers |
| CN101602863A (en) * | 2009-06-22 | 2009-12-16 | 温州天盛塑料助剂有限公司 | The environmental-friendly dust-free calcium-zinc composite heat stabilizer that is used for PVC processing |
| CN106046599A (en) * | 2016-06-24 | 2016-10-26 | 广州湘环新材料有限公司 | Thermoplastic agent for PVC (polyvinyl chloride) tubes and preparation method thereof |
-
2023
- 2023-12-28 CN CN202311827438.2A patent/CN117820724A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4544694A (en) * | 1982-12-27 | 1985-10-01 | American Hoechst Corporation | Extrusion lubricant composition and process |
| CN101012406A (en) * | 2006-10-12 | 2007-08-08 | 李建成 | Method of manufacturing composite fatty acid polyalcohol ester lubricant |
| CN101578356A (en) * | 2006-10-30 | 2009-11-11 | 霍尼韦尔国际公司 | Multicomponent lubricant composition for processing rigid vinyl chloride polymers |
| CN101602863A (en) * | 2009-06-22 | 2009-12-16 | 温州天盛塑料助剂有限公司 | The environmental-friendly dust-free calcium-zinc composite heat stabilizer that is used for PVC processing |
| CN106046599A (en) * | 2016-06-24 | 2016-10-26 | 广州湘环新材料有限公司 | Thermoplastic agent for PVC (polyvinyl chloride) tubes and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103386461B (en) | A kind of microemulsion non-ferrous metal releasing agent and preparation method thereof | |
| CN102504924A (en) | Polysilsesquioxane (POSS) modified vegetable oil emulsion mold release agent and preparation method thereof | |
| CN102504330A (en) | Method for preparing polyolefin wax | |
| CN103834055A (en) | Low temperature environment-friendly foaming agent | |
| CN107384562A (en) | A kind of water base casting mold-releasing agent of aluminium alloy and preparation method thereof | |
| CN104593113A (en) | Method for producing solid fuel from swill-cooked dirty oil | |
| CN117820724A (en) | Efficient composite PVC (polyvinyl chloride) lubricant and preparation method thereof | |
| CN104261986B (en) | The agent of hydrogenation sewer oil chemical fertilizer anti-caking | |
| CN108250678A (en) | A kind of environment-friendly PVC section bar organic tin stabilizer | |
| CN113493428A (en) | Method for synthesizing vitamin C tetraisopalmitate | |
| CN108865444B (en) | Preparation method for producing diesel antiwear agent by using soybean oleic acid | |
| CN103304788A (en) | Preparation method of polybutylene terephthalate polyester resin | |
| CN103113186A (en) | Treating method and treating device for ketene dimer production residues | |
| CN107011972A (en) | A kind of NEW TYPE OF COMPOSITE lithium-calcium base grease and preparation method thereof | |
| CN1127743A (en) | Specific grade zinc stearate and its producing process | |
| CN103865204B (en) | A kind of preparation method of polychloroethylene pipes | |
| CN1309546C (en) | Method for preparing demolding agent for roducing epoxy glass fibre reinforced plastic composite material | |
| CN102010519B (en) | Polypropylene powder composite master batch for degradation | |
| CN101318892B (en) | Method for preparing sebacic acid with ricinus oil compounds | |
| CN1045464C (en) | Method for preparing synthetic oil lithium base grease | |
| CN108048180A (en) | A kind of preparation method of biodegradation type wire drawing oil | |
| CN1634690A (en) | Concrete releasing agent and its production method | |
| CN111040063B (en) | Production process of food-grade butyl rubber | |
| CN102358863B (en) | Production technology of composite lithium base lubricating grease | |
| CN103146214B (en) | Formula and preparation method of flame-retardant PE (Polyethylene) wood-plastic composite |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |