CN103450003A - Preparation process of lead stearate based on melting method - Google Patents
Preparation process of lead stearate based on melting method Download PDFInfo
- Publication number
- CN103450003A CN103450003A CN2013104271440A CN201310427144A CN103450003A CN 103450003 A CN103450003 A CN 103450003A CN 2013104271440 A CN2013104271440 A CN 2013104271440A CN 201310427144 A CN201310427144 A CN 201310427144A CN 103450003 A CN103450003 A CN 103450003A
- Authority
- CN
- China
- Prior art keywords
- plumbous oxide
- lead stearate
- reaction
- add
- temperature
- 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
- UQLDLKMNUJERMK-UHFFFAOYSA-L di(octadecanoyloxy)lead Chemical compound [Pb+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O UQLDLKMNUJERMK-UHFFFAOYSA-L 0.000 title claims abstract description 12
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000000034 method Methods 0.000 title abstract description 9
- 238000002844 melting Methods 0.000 title abstract description 4
- 230000008018 melting Effects 0.000 title abstract description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 27
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 claims abstract description 24
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 7
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 7
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000008117 stearic acid Substances 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 238000005516 engineering process Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 2
- 239000000344 soap Substances 0.000 abstract description 5
- 239000003054 catalyst Substances 0.000 abstract 1
- 229910000464 lead oxide Inorganic materials 0.000 abstract 1
- HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000012267 brine Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229940046892 lead acetate Drugs 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses a preparation process of lead stearate based on a melting method in the technical field of metallic soap preparation. The process comprises the steps of reacting stearic acid, lead oxide and a catalyst acetic acid at a temperature higher than the melting point of the stearic acid, thereby obtaining dust-free lead stearate in slice. The process provided by the invention is simple, low in cost, low in influence on the environment, energy-saving, environment-friendly and the like.
Description
Technical field
The present invention relates to the preparing technical field of metallic soap, be specially a kind of appearance and melt method lead stearate preparation technology.
Background technology
Lead stearate has good oilness and photo and thermal stability, also use good synergistic effect is arranged with cadmium soap ,Bei soap or organic tin compound, can be used for various opaque hard and soft polyethylene goods, as hard tube, hardboard, thin plate and leatheroid, be specially adapted to wire cable material, can give goods good electrical property.
Traditional technique is double decomposition, and stearic acid and sodium hydroxide reaction are generated to soda soap, with water-soluble zinc salt, generating water-insoluble lead stearate and effluent brine, closes granulation in washing, separation, drying and obtains finished product.Its shortcoming is: reaction produces a large amount of brine wastes, and the production environment dust is large, large to environmental influence.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of with acetic acid as catalyzer, just can arrive the melting lead stearate by adding plumbous oxide reaction.
The present invention is achieved by the following technical solutions:
A kind of scorification lead stearate preparation technology, it is characterized in that: its processing step is as follows:
1) fusing of heating
Stearic acid adds reactor, the fusing of heating, and Heating temperature is 105 ℃;
2) add acetic acid
Stirring adds acetic acid, and temperature is 90 ℃ ~ 105 ℃;
3) add the plumbous oxide reaction
When 105 ℃ ~ 120 ℃ of temperature, slowly add the plumbous oxide reaction, 105 ℃ ~ 135 ℃ of temperature of reaction, the reaction times is 45 ~ 120 minutes; Technique scheme is done to further restriction, and the plumbous oxide mode that adds adopts portable small vibration sieve, and screen cloth is 120 orders, the plumbous oxide used plumbous oxide for passing through through 200 order dry screens.
The lead acetate of nascent state is unstable, has very high reactive behavior, can generate lead stearate with the stearic acid reaction, and the reaction later stage removes acetic acid remaining in system and aqueous vapor with decompression method.
The present invention compared with prior art has following beneficial effect:
1. the simple cost of technique is low;
2. little to environmental influence, energy-conserving and environment-protective.
Embodiment
Below by reaction principle and specific embodiment, content of the present invention is described further:
Reaction principle:
PbO+2CH
3COOH=(CH
3COO)
2Pb+H
2O
2C
17H
35COOH+(CH
3COO)
2Pb=(C
17H
35COO)
2Pb+2CH
3COOH
Specific embodiment given below, be not considered as technical limitation of the present invention, and all operational conditions are in claims scope, all in protection scope of the present invention.
Embodiment
200 kilograms of stearic acid are added to reactor, be warmed to 105 ℃, start to stir and add 1.5 kilograms of acetic acid, by portable small vibration sieve, screen cloth 120 orders, 83.2 kilograms of plumbous oxide that slowly add 200 order dry screen all-pass to cross, purpose is to add plumbous oxide even, prevent that plumbous oxide from sinking to the bottom, adding the speed of plumbous oxide to take control, to react not flash be prerequisite, after adding 10 kilograms of plumbous oxide, open the vent fan on charging opening opposite, micro-negative pressure is got rid of the water vapor that reaction produces, control temperature of reaction below 120 ℃, after adding the plumbous oxide of whole needs, maintain 20 minutes at 120 ℃, then progressively improve temperature of reaction to 135 ℃, drive water vapor and catalyzer acetic acid that reaction produces out of, maintain 0.5 hour at 135 ℃, make to react completely, then stopped reaction is cut into slices or granulation.
Claims (2)
1. a scorification lead stearate preparation technology, it is characterized in that: its processing step is as follows:
The fusing of heating
Stearic acid adds reactor, the fusing of heating, and Heating temperature is 105 ℃;
Add acetic acid
Stirring adds acetic acid, and temperature is 90 ℃ ~ 105 ℃;
Add the plumbous oxide reaction
105 ℃～120 ℃ add plumbous oxide by special feed way, 105 ℃ ~ 135 ℃ of temperature of reaction, and the reaction times is 45 ~ 120 minutes.
2. scorification lead stearate preparation technology according to claim 1 is characterized in that: the plumbous oxide mode that adds adopts portable small vibration sieve, and screen cloth is 120 orders, the plumbous oxide used plumbous oxide for passing through through 200 order dry screens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104271440A CN103450003A (en) | 2013-09-18 | 2013-09-18 | Preparation process of lead stearate based on melting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104271440A CN103450003A (en) | 2013-09-18 | 2013-09-18 | Preparation process of lead stearate based on melting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103450003A true CN103450003A (en) | 2013-12-18 |
Family
ID=49732899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013104271440A Pending CN103450003A (en) | 2013-09-18 | 2013-09-18 | Preparation process of lead stearate based on melting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103450003A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2638857Y (en) * | 2003-08-11 | 2004-09-08 | 徐希才 | Movable vibration sieve |
| CN101337877A (en) * | 2008-08-07 | 2009-01-07 | 百利合化工（中山）有限公司 | Method for preparing higher fatty acid alkali salt |
| CN101486636A (en) * | 2008-11-20 | 2009-07-22 | 靖江旭光塑胶有限公司 | Preparation of nonaqueous synthesized lead stearate |
-
2013
- 2013-09-18 CN CN2013104271440A patent/CN103450003A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2638857Y (en) * | 2003-08-11 | 2004-09-08 | 徐希才 | Movable vibration sieve |
| CN101337877A (en) * | 2008-08-07 | 2009-01-07 | 百利合化工（中山）有限公司 | Method for preparing higher fatty acid alkali salt |
| CN101486636A (en) * | 2008-11-20 | 2009-07-22 | 靖江旭光塑胶有限公司 | Preparation of nonaqueous synthesized lead stearate |
Non-Patent Citations (3)
| Title |
|---|
| 王东权: "硬脂酸盐的生产工艺研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
| 陈妍等: "水介质直接法合成硬脂酸铅研究", 《化工科技》 * |
| 陈焕章等: "《直接法合成硬脂酸铅的研究》", 《塑料科技》 * |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20131218 |