CN111378292A - Brightening lubricant and preparation method thereof - Google Patents
Brightening lubricant and preparation method thereof Download PDFInfo
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- CN111378292A CN111378292A CN202010115430.3A CN202010115430A CN111378292A CN 111378292 A CN111378292 A CN 111378292A CN 202010115430 A CN202010115430 A CN 202010115430A CN 111378292 A CN111378292 A CN 111378292A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
- C08L91/06—Waxes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/26—Cellulose ethers
- C08L1/28—Alkyl ethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Lubricants (AREA)
Abstract
The invention discloses a brightening lubricant which comprises the following components in parts by weight: gypsum powder: 40-70 parts; industrial glycerin: 2-6 parts; light calcium carbonate: 18-30 parts; industrial paraffin wax: 6-9 parts of a solvent; sweet wormwood powder: 1-3 parts; talc powder: 10-30 parts; stearic acid: 10-30 parts; methyl cellulose: 4-12 parts. The production process flow comprises: (1) mixing light calcium carbonate with stearic acid, methylcellulose and industrial glycerol, and stirring for 15-30 min; (2) respectively crushing gypsum powder and industrial paraffin to 40-80 meshes, mixing and stirring; (3) mixing and stirring the sweet wormwood powder and the talcum powder for 15-30min, and grinding to 400-600 meshes; (4) uniformly mixing the substances obtained in the step 1-3, and grinding to 400-600 meshes to obtain the bright lubricant. The invention has simple process flow, 50% lower cost than the existing product, good lubricating property of the obtained product, and can improve the extrusion rate of the plastic pipeline by 10-20%, improve the production efficiency and increase the income.
Description
Technical Field
The invention belongs to the technical field of industrial additives, and particularly relates to a brightening lubricant and a preparation method thereof.
Background
The bright lubricant is an industrial assistant widely used in various plastic processing industries and rubber industries, has the characteristics of high melting point and excellent lubricating property, can increase the surface smoothness and the finish of plastic products and increase the intermiscibility of polar resin, has better lubricating, dispersing and demolding effects in the production process, improves the friction force of sizing materials and the roller adhesion, increases the extrusion rate of the products and improves the productivity.
However, most of the bright lubricants on the market at present have high production cost and low price, and for the production of plastic pipelines, the extrusion rate of the pipeline is generally 1.1-1.2m/min under the existing process conditions, which is not beneficial to the rapid development of the production of the plastic pipelines and other related products.
Disclosure of Invention
The invention aims to solve the problems that: the bright lubricant and the preparation method thereof are provided, so that the lubricating effect of the existing bright lubricant is enhanced, the product extrusion rate is increased, and the productivity is improved.
In order to solve the problems, the invention adopts the technical scheme that: a bright lubricant comprises the following components in parts by weight:
gypsum powder: 40-70 parts;
industrial glycerin: 2-6 parts;
light calcium carbonate: 18-30 parts;
industrial paraffin wax: 6-9 parts of a solvent;
sweet wormwood powder: 1-3 parts;
talc powder: 10-30 parts;
stearic acid: 10-30 parts;
methyl cellulose: 4-12 parts.
Further, the brightening lubricant comprises the following components in parts by weight:
gypsum powder: 40-70 parts;
industrial glycerin: 2-6 parts;
light calcium carbonate: 18-30 parts;
industrial paraffin wax: 6-9 parts of a solvent;
sweet wormwood powder: 1-3 parts;
talc powder: 10-30 parts;
stearic acid: 10-30 parts;
methyl cellulose: 4-12 parts.
Further, the preparation method of the bright lubricant comprises the following process flows:
(1) mixing light calcium carbonate with stearic acid, methylcellulose and industrial glycerol, and stirring for 15-30 min;
(2) respectively crushing gypsum powder and industrial paraffin to 40-80 meshes, mixing and stirring;
(3) mixing and stirring the sweet wormwood powder and the talcum powder for 15-30min, and grinding to 400-600 meshes;
(4) uniformly mixing the substances obtained in the step 1-3, and grinding to 400-600 meshes to obtain the bright lubricant.
Compared with the prior art, the invention has the beneficial effects that:
(1) the lubricant is widely applied, is suitable for the lubricants of extrusion, blow molding, calendering and injection molding of plastic products such as PP, PE, PVC, ABS, LLDPE, LDPE and the like, improves the fluidity of the lubricants, reduces the friction force between materials and a machine body, improves the surface brightness and the appearance quality of the plastic products, and improves the processing efficiency. Under the same use condition, the lubricating effect of the invention is better, the extrusion rate is improved by 10-20%, and the extrusion rate of plastic pipeline production is improved to 1.3 m/min.
(2) In the rubber processing, the dispersibility of the filling materials is increased, the extrusion and forming rate is improved, the flow of the die materials is increased, the demolding effect is better, the die accumulation is reduced or eliminated, and the equipment maintenance and repair frequency is reduced.
(3) The invention has simple production process flow and low raw material cost, reduces the production cost and energy consumption of the product, has the production cost which is 50 percent lower than the production cost of the common lubricant, and has no toxicity, no pollution and environmental protection. In the product, the gypsum powder increases the hardness and density of the product, the industrial glycerin can regulate the toughness, the lubrication degree and the brightness of the gypsum powder, and the methyl cellulose is used for improving the viscosity of the gypsum and the product; the light calcium carbonate increases the hardness, can saturate the water stability, regulates the water in the production of plastics, and improves the material dispersibility in the production of plastics or rubber; the sweet wormwood powder contains sodium ions, the pH value of the talcum powder is stabilized, and the pH value is maintained at 4-6, so that the product has proper viscosity, is not excessively dispersed or adhered, reduces or eliminates melt fracture, and reduces the rejection rate.
Detailed Description
The technical solutions provided by the present invention will be explained in detail below with reference to specific embodiments, so as to facilitate understanding for those skilled in the art.
Example 1
69kg of gypsum powder, 2kg of industrial glycerol, 23kg of light calcium carbonate, 7kg of industrial paraffin, 1kg of sweet wormwood powder, 12kg of talcum powder, 18kg of stearic acid and 7kg of methyl cellulose are weighed.
The raw materials are processed according to the following process flow:
(1) mixing light calcium carbonate with stearic acid, methylcellulose and industrial glycerol, and stirring for 20 min;
(2) respectively crushing gypsum powder and industrial paraffin to 60 meshes, mixing, and stirring to uniformly mix;
(3) mixing and stirring the sweet wormwood powder and the talcum powder for 20min, and grinding to 400 meshes;
(4) and (3) uniformly mixing the substances obtained in the step (1) to (3), and grinding the mixture to 400 meshes to obtain the bright lubricant.
Example 2
40kg of gypsum powder, 2kg of industrial glycerol, 18kg of light calcium carbonate, 6kg of industrial paraffin, 1kg of sweet wormwood powder, 10kg of talcum powder, 10kg of stearic acid and 4kg of methyl cellulose are weighed.
The raw materials are processed according to the following process flow:
(1) mixing light calcium carbonate with stearic acid, methylcellulose and industrial glycerol, and stirring for 20 min;
(2) respectively crushing gypsum powder and industrial paraffin to 60 meshes, mixing, and stirring to uniformly mix;
(3) mixing and stirring the sweet wormwood powder and the talcum powder for 20min, and grinding to 400 meshes;
(4) and (3) uniformly mixing the substances obtained in the step (1) to (3), and grinding the mixture to 400 meshes to obtain the bright lubricant.
Example 3
70kg of gypsum powder, 2kg of industrial glycerol, 18kg of light calcium carbonate, 6kg of industrial paraffin, 1kg of sweet wormwood powder, 10kg of talcum powder, 10kg of stearic acid and 4kg of methyl cellulose are weighed.
The raw materials are processed according to the following process flow:
(1) mixing light calcium carbonate with stearic acid, methylcellulose and industrial glycerol, and stirring for 20 min;
(2) respectively crushing gypsum powder and industrial paraffin to 60 meshes, mixing, and stirring to uniformly mix;
(3) mixing and stirring the sweet wormwood powder and the talcum powder for 20min, and grinding to 400 meshes;
(4) and (3) uniformly mixing the substances obtained in the step (1) to (3), and grinding the mixture to 400 meshes to obtain the bright lubricant.
Example 4
70kg of gypsum powder, 6kg of industrial glycerol, 30kg of light calcium carbonate, 9kg of industrial paraffin wax, 3kg of sweet wormwood powder, 30kg of talcum powder, 30kg of stearic acid and 12kg of methyl cellulose are weighed.
The raw materials are processed according to the following process flow:
(1) mixing light calcium carbonate with stearic acid, methylcellulose and industrial glycerol, and stirring for 20 min;
(2) respectively crushing gypsum powder and industrial paraffin to 60 meshes, mixing, and stirring to uniformly mix;
(3) mixing and stirring the sweet wormwood powder and the talcum powder for 20min, and grinding to 400 meshes;
(4) and (3) uniformly mixing the substances obtained in the step (1) to (3), and grinding the mixture to 400 meshes to obtain the bright lubricant.
Comparative example 1
69kg of gypsum powder, 23kg of light calcium carbonate, 7kg of industrial paraffin, 1kg of sweet wormwood powder, 12kg of talcum powder, 18kg of stearic acid and 7kg of methyl cellulose are weighed.
The raw materials are processed according to the following process flow:
(1) mixing light calcium carbonate with stearic acid and methyl cellulose, and stirring for 20 min;
(2) respectively crushing gypsum powder and industrial paraffin to 60 meshes, mixing, and stirring to uniformly mix;
(3) mixing and stirring the sweet wormwood powder and the talcum powder for 20min, and grinding to 400 meshes;
(4) and (3) uniformly mixing the substances obtained in the step (1) to (3), and grinding the mixture to 400 meshes to obtain the bright lubricant.
Comparative example 2
69kg of gypsum powder, 2kg of industrial glycerol, 23kg of light calcium carbonate, 1kg of sweet wormwood powder, 12kg of talcum powder, 18kg of stearic acid and 7kg of methyl cellulose are weighed.
The raw materials are processed according to the following process flow:
(1) mixing light calcium carbonate with stearic acid, methylcellulose and industrial glycerol, and stirring for 20 min;
(2) pulverizing Gypsum Fibrosum powder to 60 mesh, mixing, and stirring to mix well;
(3) mixing and stirring the sweet wormwood powder and the talcum powder for 20min, and grinding to 400 meshes;
(4) and (3) uniformly mixing the substances obtained in the step (1) to (3), and grinding the mixture to 400 meshes to obtain the bright lubricant.
Comparative example 3
69kg of gypsum powder, 2kg of industrial glycerol, 23kg of light calcium carbonate, 7kg of industrial paraffin, 12kg of talcum powder, 18kg of stearic acid and 7kg of methyl cellulose are weighed.
The raw materials are processed according to the following process flow:
(1) mixing light calcium carbonate with stearic acid, methylcellulose and industrial glycerol, and stirring for 20 min;
(2) respectively crushing gypsum powder and industrial paraffin to 60 meshes, mixing, and stirring to uniformly mix;
(3) grinding the talcum powder to 400 meshes;
(4) and (3) uniformly mixing the substances obtained in the step (1) to (3), and grinding the mixture to 400 meshes to obtain the bright lubricant.
Comparative example 4
69kg of gypsum powder, 2kg of industrial glycerol, 7kg of industrial paraffin, 1kg of sweet wormwood powder, 12kg of talcum powder, 18kg of stearic acid and 7kg of methyl cellulose are weighed.
The raw materials are processed according to the following process flow:
(1) mixing stearic acid, methylcellulose and industrial glycerol, and stirring for 20 min;
(2) respectively crushing gypsum powder and industrial paraffin to 60 meshes, mixing, and stirring to uniformly mix;
(3) mixing and stirring the sweet wormwood powder and the talcum powder for 20min, and grinding to 400 meshes;
(4) and (3) uniformly mixing the substances obtained in the step (1) to (3), and grinding the mixture to 400 meshes to obtain the bright lubricant.
The bright lubricants produced in examples 1 to 4 and comparative examples 1 to 4 were subjected to physical and chemical tests, and the results are shown in the following table:
according to the detection results, the saponification value of the example 1-4 is higher than 190, the product has good lubricating effect, the acid value is less than 0.3, the acid value of the example 2 is 0.2, the reaction product has high organic acid content, high refining degree, good oxidation resistance, high iodine value and more unsaturated hydrocarbon. Among these, example 1 is the best mode for carrying out the present invention in view of cost and effect.
Comparative example 1 no industrial glycerin was added, the saponification value and iodine value of the product were reduced, the moisture was increased, and the lubricating effect was poor; comparative example 2 no industrial paraffin was added, the saponification value of the product was lowest, the iodine value was reduced, the moisture and melting point were increased, and the lubricating effect was poor; comparative example 3 does not add the sweet wormwood powder, the acid value of the product is increased, the produced lubricant has unstable property and poor viscosity, and the comprehensive use effect is inferior to that of the embodiment; comparative example 4 no light calcium carbonate was added, the product had high moisture, low stability, poor dispersion in plastic production materials, and affected lubrication.
And (3) effect detection:
when producing plastic pipes, the bright lubricant and the Shanyi plasticized lubricant produced in examples 1 to 4, which are 2% of the mass of the production raw materials, are taken as additives respectively, the other production parameters are the same, and the pipe extrusion rate is recorded as follows:
from the use effect perspective: the lubricating effect of the bright lubricant produced by the invention is better than that of a mountain plasticizing lubricant, the extrusion rate of the plastic pipeline can be improved by 10-20%, the plastic pipeline has smooth appearance and no burr, and the physical and chemical indexes meet the technical requirements.
In addition, through investigation and comparison, the production cost of the invention is 50 percent lower than that of the common lubricant on the market.
The embodiments described above are only a part of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (3)
1. The brightening lubricant is characterized by comprising the following components in parts by weight:
gypsum powder: 40-70 parts;
industrial glycerin: 2-6 parts;
light calcium carbonate: 18-30 parts;
industrial paraffin wax: 6-9 parts of a solvent;
sweet wormwood powder: 1-3 parts;
talc powder: 10-30 parts;
stearic acid: 10-30 parts;
methyl cellulose: 4-12 parts.
2. The bright lubricant according to claim 1, comprising the following components in parts by weight:
gypsum powder: 69 parts of (1);
industrial glycerin: 2 parts of (1);
light calcium carbonate: 23 parts;
industrial paraffin wax: 7 parts;
sweet wormwood powder: 1 part;
talc powder: 12 parts of (1);
stearic acid: 18 parts of a mixture;
methyl cellulose: 7 parts.
3. A method of preparing a bright lubricant according to any of claims 1-2, comprising the following process steps:
(1) mixing light calcium carbonate with stearic acid, methylcellulose and industrial glycerol, and stirring for 15-30 min;
(2) respectively crushing gypsum powder and industrial paraffin to 40-80 meshes, mixing and stirring;
(3) mixing and stirring the sweet wormwood powder and the talcum powder for 15-30min, and grinding to 400-600 meshes;
(4) uniformly mixing the substances obtained in the step 1-3, and grinding to 400-600 meshes to obtain the bright lubricant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010115430.3A CN111378292A (en) | 2020-02-25 | 2020-02-25 | Brightening lubricant and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010115430.3A CN111378292A (en) | 2020-02-25 | 2020-02-25 | Brightening lubricant and preparation method thereof |
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| Publication Number | Publication Date |
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| CN111378292A true CN111378292A (en) | 2020-07-07 |
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| CN202010115430.3A Withdrawn CN111378292A (en) | 2020-02-25 | 2020-02-25 | Brightening lubricant and preparation method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102030934A (en) * | 2009-09-30 | 2011-04-27 | 陈汇宏 | Heat regeneration method for waste rubber |
| CN102442813A (en) * | 2011-10-17 | 2012-05-09 | 常熟市星源金属涂层厂 | Cotton stalk bark fiber reinforced gypsum composite material and preparation method thereof |
| CN105331020A (en) * | 2015-11-29 | 2016-02-17 | 贵州开磷集团股份有限公司 | PVC color hard board and preparation method thereof |
| CN105331018A (en) * | 2015-11-29 | 2016-02-17 | 贵州开磷集团股份有限公司 | PVC door frame prepared by taking phosphogypsum as filler |
| CN105348684A (en) * | 2015-11-29 | 2016-02-24 | 贵州开磷集团股份有限公司 | PVC (polyvinyl chloride) section bar produced by taking phosphogypsum as filler and production method thereof |
| CN108192266A (en) * | 2017-12-12 | 2018-06-22 | 常州可赛成功塑胶材料有限公司 | A kind of preparation method of the dedicated activeness and quietness lubricants of ABS |
| CN108558466A (en) * | 2018-05-28 | 2018-09-21 | 贵州贵和隆科技研发有限公司 | A kind of ardealite forest conditioner and preparation method thereof |
-
2020
- 2020-02-25 CN CN202010115430.3A patent/CN111378292A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102030934A (en) * | 2009-09-30 | 2011-04-27 | 陈汇宏 | Heat regeneration method for waste rubber |
| CN102442813A (en) * | 2011-10-17 | 2012-05-09 | 常熟市星源金属涂层厂 | Cotton stalk bark fiber reinforced gypsum composite material and preparation method thereof |
| CN105331020A (en) * | 2015-11-29 | 2016-02-17 | 贵州开磷集团股份有限公司 | PVC color hard board and preparation method thereof |
| CN105331018A (en) * | 2015-11-29 | 2016-02-17 | 贵州开磷集团股份有限公司 | PVC door frame prepared by taking phosphogypsum as filler |
| CN105348684A (en) * | 2015-11-29 | 2016-02-24 | 贵州开磷集团股份有限公司 | PVC (polyvinyl chloride) section bar produced by taking phosphogypsum as filler and production method thereof |
| CN108192266A (en) * | 2017-12-12 | 2018-06-22 | 常州可赛成功塑胶材料有限公司 | A kind of preparation method of the dedicated activeness and quietness lubricants of ABS |
| CN108558466A (en) * | 2018-05-28 | 2018-09-21 | 贵州贵和隆科技研发有限公司 | A kind of ardealite forest conditioner and preparation method thereof |
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Application publication date: 20200707 |