CN104402700B - A kind of preparation method of block zinc stearate - Google Patents
A kind of preparation method of block zinc stearate Download PDFInfo
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- CN104402700B CN104402700B CN201410755674.2A CN201410755674A CN104402700B CN 104402700 B CN104402700 B CN 104402700B CN 201410755674 A CN201410755674 A CN 201410755674A CN 104402700 B CN104402700 B CN 104402700B
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/41—Preparation of salts of carboxylic acids
- C07C51/412—Preparation of salts of carboxylic acids by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part
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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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
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- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
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Abstract
The present invention now provides the preparation method of a kind of block zinc stearate, a, at ambient pressure stearic acid is put into reactor is heated to 130 160 DEG C after add catalyst and zinc oxide reacts 80 120 minutes for molten condition；B, addition antioxidant stir 5 20 minutes；C, the melted zinc stearate that step b is prepared add in the mould being placed with skeleton；The block zinc stearate of required definite shape is prepared after d, cooling.The melted zinc stearate that dry method is prepared by the present invention adds prepared block zinc stearate in skeleton; in job shop without granule or microparticle dust; it is effectively improved the environmental quality in workshop, is substantially reduced the health effect to shop worker, there is great promotional value and social meaning.
Description
Technical field
The present invention relates to promoter material preparation field, be specifically related to the preparation method of a kind of block zinc stearate.
Background technology
Zinc stearate, Chinese another name: zinc octadecanate, stearic acid zinc salt, zinc stearate (lightweight), stearic acid zinc salt, Stearic Acid zinc, zinc stearate, white lightweight powdery, proportion 1.095, there is soapy feeling, it is not soluted in water, being dissolved in the organic solvents such as hot ethanol, benzene and Oleum Terebinthinae, meet strong acid and be then decomposed into stearic acid and corresponding zinc salt, this product has hygroscopicity.
The purposes of zinc stearate widely, most common use: make heat stabilizer, lubricant, polishing agent, accelerator, thickening agent, acid agent for capturing etc..
Shape of product the most on the market is common for powdery, pearl, lamellar.Powder product is generally used for the polishing agent of coating, and pearl and lamellar are usually used in lubricant and the dispersant of modified plastics, filling master batch, color masterbatch etc..Although pearl and lamellar can meet major part modified plastics and filling master batch, the processing request of color masterbatch at present, but to petrochemical industry polyolefin industry, use banbury to do the industry that color masterbatch, filling master batch etc. are the highest to environment and craft precision requirement, requirement can't be fully met.
For the manufacturing enterprise of zinc stearate, powder product and beaded product there is also certain dust production safety hidden danger, and in transportation, easily the group of connecing, lamellar such as are squeezed at the situation such as sheet and part micropowder that diminishes sheet products.
How to develop a kind of being easy to and pack, transport and meet the zinc stearate processing method that special industry requires, be that the difficult problem captured is presently required.
Summary of the invention
It is an object of the invention to provide the preparation method of a kind of block zinc stearate, can make zinc stearate packaging process after processing reduces the pollution to environment and is reduced to the health effect of workshop packaging personnel.
For realizing the purpose of the present invention, the invention provides techniques below scheme:
A kind of preparation method of block zinc stearate, a, at ambient pressure stearic acid is put into reactor is heated to 130-160 DEG C after add catalyst and zinc oxide reacts 80-120 minute for molten condition；B, addition antioxidant stir 5-20 minute；C, the melted zinc stearate that step b is prepared add in the mould being placed with skeleton；The block zinc stearate of required definite shape is prepared after d, cooling.
Described skeleton is polyethylene silk screen.
The weight ratio of described stearic acid, zinc oxide and antioxidant is: 1400:210-220:3-7.
Described catalyst and stearic weight ratio are 50-85:1400.
Described catalyst is one or more in water, ethanol, citric acid, hydrogen peroxide, acetic acid, sodium sulfite, sodium dihydrogen phosphate and sodium bisulfate；Described antioxidant is epoxy compounds.
The preparation method of block zinc stearate of the present invention, is equally applicable to the processing of calcium stearate, magnesium stearate, lithium stearate.
The purposes of a kind of block zinc stearate, for the mach color masterbatch of banburying, high-grade inserts and the polymerization of polyolefin petrochemical industry.
It is an advantage of the current invention that:
1, the melted zinc stearate prepared online is directly added in skeleton and prepares block zinc stearate by the present invention, in job shop without granule or microparticle dust, is effectively improved the environmental quality in workshop, is substantially reduced the health effect to shop worker.
2, the block zinc stearate transport prepared and storage are convenient, reduce the requirement of meeting storage condition, spontaneous combustion or explosion index and reduce.
3, adding polythene net net in the present invention is skeleton, block zinc stearate crushing can be cut off by nylon wire when needed or pull.
4, the invention have the advantage that not airborne dust, convenient transportation, non-friable and damaged.
Detailed description of the invention
In order to illustrate in greater detail the present invention, be given and following prepare example.But the scope of the present invention is not limited thereto.
Embodiment 1:
A kind of preparation method of block zinc stearate, a, at ambient pressure 1400g stearic acid is put into reactor is heated to 130-160 DEG C after add catalyst hydrogen peroxide 70g and zinc oxide 220g and react 90 minutes for molten condition；B, addition antioxidant 5g stir 5-20 minute；C, the melted zinc stearate that step b is prepared add in the mould being placed with polyethylene filament network framework；The block zinc stearate of required form is prepared after d, cooling.
Embodiment 2:
A kind of preparation method of block zinc stearate, a, at ambient pressure 1400g stearic acid is put into reactor is heated to 130-160 DEG C after add catalyst sodium dihydrogen phosphate 60g and zinc oxide 210g and react 100 minutes for molten condition；B, addition antioxidant 4g stir 5-20 minute；C, the melted zinc stearate that step b is prepared add in the mould being placed with polyethylene filament network framework；The block zinc stearate of required form is prepared after d, cooling.
Embodiment 3
A kind of preparation method of block zinc stearate, a, at ambient pressure 1400g stearic acid is put into reactor is heated to 130-160 DEG C after add catalyst citric acid 50g and zinc oxide 220g and react 120 minutes for molten condition；B, addition antioxidant 6g stir 5-20 minute；C, the melted zinc stearate that step b is prepared add in the mould being placed with polyethylene filament network framework；The block zinc stearate of required form is prepared after d, cooling.
The above; being only the present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, any those of ordinary skill in the art are in the technical scope that the invention discloses; the change that can readily occur in or replacement, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with scope of the claims.
Claims (4)
1. a preparation method for block zinc stearate, a, puts into stearic acid in reactor and is heated at ambient pressure
Add catalyst after 130-160 DEG C and zinc oxide reaction 80-120 minute is molten condition；B, addition resist
Oxygen agent is stirred 5-20 minute；C, the melted zinc stearate that step b is prepared add and is placed with skeleton
In mould；The block zinc stearate of required definite shape is prepared after d, cooling；Described skeleton is polyethylene filament
Net.
The preparation method of block zinc stearate the most according to claim 1, described stearic acid, zinc oxide and anti-
The weight ratio of oxygen agent is: 1400:210-220:3-7.
The preparation method of block zinc stearate the most according to claim 1, described catalyst and stearic heavy
Amount ratio is 50-85:1400.
The preparation method of block zinc stearate the most according to claim 1, described catalyst be water, ethanol,
One in citric acid, hydrogen peroxide, acetic acid, sodium sulfite, sodium dihydrogen phosphate and sodium bisulfate or with
On；Described antioxidant is epoxy compounds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410755674.2A CN104402700B (en) | 2014-12-11 | 2014-12-11 | A kind of preparation method of block zinc stearate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410755674.2A CN104402700B (en) | 2014-12-11 | 2014-12-11 | A kind of preparation method of block zinc stearate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104402700A CN104402700A (en) | 2015-03-11 |
| CN104402700B true CN104402700B (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410755674.2A Active CN104402700B (en) | 2014-12-11 | 2014-12-11 | A kind of preparation method of block zinc stearate |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106117040A (en) * | 2016-06-24 | 2016-11-16 | 江门市胜鹏化工实业有限公司 | A kind of preparation method of modified form zinc stearate |
| CN110204435A (en) * | 2019-06-11 | 2019-09-06 | 东莞市汉维科技股份有限公司 | A kind of preparation process of stearate |
| CN113717040A (en) * | 2020-05-26 | 2021-11-30 | 东莞市汉维科技股份有限公司 | Clean production process for synthesizing zinc laurate by melting method |
| CN112174810A (en) * | 2020-09-15 | 2021-01-05 | 山东省高密市友和助剂有限公司 | Preparation method of modified zinc stearate |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101423787A (en) * | 2007-02-01 | 2009-05-06 | 株式会社信科模具 | Block-formed material of higher fatty acid zinc and method for producing the same |
| CN101914007A (en) * | 2010-08-06 | 2010-12-15 | 东莞市汉维新材料科技有限公司 | Method for preparing high-temperature resistant zinc stearate |
-
2014
- 2014-12-11 CN CN201410755674.2A patent/CN104402700B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101423787A (en) * | 2007-02-01 | 2009-05-06 | 株式会社信科模具 | Block-formed material of higher fatty acid zinc and method for producing the same |
| CN101914007A (en) * | 2010-08-06 | 2010-12-15 | 东莞市汉维新材料科技有限公司 | Method for preparing high-temperature resistant zinc stearate |
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| CN104402700A (en) | 2015-03-11 |
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Address after: 523000 Luqiao Bridge Town, Dongguan, a new bridge west street, Tai Po, No. 5 Patentee after: DONGGUAN CHNV TECHNOLOGY CO., LTD. Address before: 523000 Luqiao Bridge Town, Dongguan, a new bridge west street, Tai Po, No. 5 Patentee before: CHNV Material Technology Co., Ltd. |