CN103936585B - A kind of production method of mono-glycerides particulate - Google Patents
A kind of production method of mono-glycerides particulate Download PDFInfo
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- CN103936585B CN103936585B CN201410183183.5A CN201410183183A CN103936585B CN 103936585 B CN103936585 B CN 103936585B CN 201410183183 A CN201410183183 A CN 201410183183A CN 103936585 B CN103936585 B CN 103936585B
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/03—Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/56—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
Abstract
The invention discloses a kind of production method of mono-glycerides particulate, the method is carried out successively as follows: hydrogenated palm kernel oil and glycerine mixing are carried out mono-glycerides building-up reactions by (1); (2) then add alkaline matter and regulate acidity; (3) add atlapulgite again and carry out desolventing technology; (4) will through decolouring mono-glycerides Liquid transfer in sponging granulator, by the spray gun in sponging granulator by mono-glycerides liquid with vaporific ejection, simultaneously to ejection vaporific mono-glycerides liquid carry out air cooling, namely obtain mono-glycerides particulate after cooling.The particle diameter of described mono-glycerides particulate is 0.8-1 micron.The method concise in technology is efficient, and the mono-glycerides diameter of particle produced is little, can use, and have oyster white gloss as the lubricant of high-end plastics industry.
Description
Technical field
The present invention relates to a kind of preparation technology of mono-glycerides, particularly a kind of production method of mono-glycerides particulate.
Background technology
Mono-glycerides, formal name used at school list 18 (alkane) sour glycerine ester, its Industrial products are usually in micro-yellow wax print shape, and in the field such as food-processing, makeup, mono-glycerides Chang Zuowei emulsifying agent, thickening material, stablizer etc. use.In addition, mono-glycerides also can be widely used in plastics industry, can use, significantly improve the performance of plastic prod as static inhibitor, dust-proofing agent, inside and outside lubricant agent, releasing agent.
At present, the production method of domestic and international mono-glycerides usually adopts directly to synthesize with lipid acid or stearic acid and glycerine and obtains, and made many improvement on this basis, but the mono-glycerides produced is mainly with spherical, semisphere, sheet is main, and particle is larger, mobility, homogeneity, solvability are all poor, cannot adapt to industrial demand.Particularly in plastics industry field, mono-glycerides Chang Zuowei lubricant uses, and require higher to the mobility of mono-glycerides particle and oilness, mono-glycerides prepared by existing production technique cannot meet more.
For the problems referred to above, some enterprises of recent domestic and research and development institution attempt preparing mono-glycerides particulate, and to make it be applicable to high-end plastic industry, but result is all undesirable, and complex process, cost is higher.In addition, existing mono-glycerides color and luster jaundice and deep, can affect the color and luster of product itself as foodstuff additive or when using as other additives.
Summary of the invention
For above-mentioned the deficiencies in the prior art, the invention provides a kind of production method of mono-glycerides particulate, little, the light good luster of the mono-glycerides diameter of particle produced by the method, cost is low, concise in technology is efficient.
The production method of a kind of mono-glycerides particulate provided by the invention, carry out as follows successively:
(1) hydrogenated palm kernel oil and glycerine mixing are carried out mono-glycerides building-up reactions;
(2) then add alkaline matter and regulate acidity;
(3) add atlapulgite again and carry out desolventing technology;
(4) will through decolouring mono-glycerides Liquid transfer in sponging granulator, by the spray gun in sponging granulator by mono-glycerides liquid with vaporific ejection, simultaneously to ejection vaporific mono-glycerides liquid carry out air cooling, namely obtain mono-glycerides particulate after cooling.
The particle diameter of mono-glycerides particulate obtained is as stated above 0.8-1 micron.
The temperature of reaction of described hydrogenated palm kernel oil and glycerine synthesis mono-glycerides controls at 50-60 DEG C.
The temperature of described air cooling is 10-15 DEG C.
The mass ratio of described hydrogenated palm kernel oil, glycerine, atlapulgite is: hydrogenated palm kernel oil: glycerine: carclazyte=80-90:9.5-18:0.5-2.
Adjustment acidity in described step (2) is controlled between 2 ~ 3 pH value.
The alkaline matter that above-mentioned adjustment acidity uses is caustic soda or soda ash.
The production method of a kind of mono-glycerides particulate provided by the invention, has following beneficial effect:
(1) production process only needs 4 steps, rapidly and efficiently, is convenient to the scale operation of mono-glycerides particulate;
(2) under the condition of building-up reactions, pH regulator, decolouring, spray cooling is carried out to mono-glycerides liquid, obtain the Tegin 55G particulate of particle diameter at 08-1.0 micron, make it have good mobility and oilness, can use as the lubricant of high-end plastics industry especially.
(3) adopt atlapulgite to decolour, make Tegin 55G particulate have oyster white gloss, overcome the disadvantageous effect that existing mono-glycerides brings because of jaundice obfuscation.
Embodiment
In order to make those skilled in the art person understand technical scheme of the present invention better, below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
In 2000L reactor, add hydrogenated palm kernel oil 850 kilograms, 95% glycerine 150 kilograms, make reactor be heated to 50 DEG C and carry out 3 hours building-up reactionss, add appropriate caustic soda adjust ph to 2.0, add atlapulgite 20 kilograms to decolour, elimination carclazyte, by the mono-glycerides liquid after decolouring, by pressure type pump delivery to the sponging granulator with air cooling, through the top-down unrestrained mono-glycerides fog-like liquid of sponging granulator spray gun, in unrestrained process, mono-glycerides fog-like liquid is carried out to the air cooling of 10 DEG C, through cooling after mono-glycerides solia particle, its particle diameter is 0.8 micron.
Embodiment 2
In 2000L reactor, add hydrogenated palm kernel oil 860 kilograms, 95% glycerine 140 kilograms, make reactor be heated to 55 DEG C and carry out 3 hours building-up reactionss, add appropriate caustic soda adjust ph to 2.2, add atlapulgite 10 kilograms to decolour, elimination carclazyte, by the mono-glycerides liquid after decolouring, by pressure type pump delivery to the sponging granulator with air cooling, through the top-down unrestrained mono-glycerides fog-like liquid of sponging granulator spray gun, in unrestrained process, mono-glycerides fog-like liquid is carried out to the air cooling of 12 DEG C, through cooling after mono-glycerides solia particle, its particle diameter is 0.8 micron.
Embodiment 3
In 2000L reactor, add hydrogenated palm kernel oil 870 kilograms, 95% glycerine 130 kilograms, make reactor be heated to 58 DEG C and carry out 3 hours building-up reactionss, add appropriate caustic soda adjust ph to 2.3, add atlapulgite 15 kilograms to decolour, elimination carclazyte, by the mono-glycerides liquid after decolouring, by pressure type pump delivery to the sponging granulator with air cooling, through the top-down unrestrained mono-glycerides fog-like liquid of sponging granulator spray gun, in unrestrained process, mono-glycerides fog-like liquid is carried out to the air cooling of 13 DEG C, through cooling after mono-glycerides solia particle, its particle diameter is 0.9 micron.
Embodiment 4
In 2000L reactor, add hydrogenated palm kernel oil 880 kilograms, 95% glycerine 120 kg, make reactor be heated to 60 DEG C and carry out 3 hours building-up reactionss, add appropriate soda ash adjust ph to 2.5, add atlapulgite 12 kilograms to decolour, elimination carclazyte, by the mono-glycerides liquid after decolouring, by pressure type pump delivery to the sponging granulator with air cooling, through the top-down unrestrained mono-glycerides fog-like liquid of sponging granulator spray gun, in unrestrained process, mono-glycerides fog-like liquid is carried out to the air cooling of 13 DEG C, through cooling after mono-glycerides solia particle, its particle diameter is 0.9 micron.
Embodiment 5
In 2000L reactor, add hydrogenated palm kernel oil 820 kilograms, 95% glycerine 95 kilograms, make reactor be heated to 52 DEG C and carry out 3 hours building-up reactionss, add appropriate soda ash adjust ph to 2.2, add atlapulgite 8 kilograms to decolour, elimination carclazyte, by the mono-glycerides liquid after decolouring, by pressure type pump delivery to the sponging granulator with air cooling, through the top-down unrestrained mono-glycerides fog-like liquid of sponging granulator spray gun, in unrestrained process, mono-glycerides fog-like liquid is carried out to the air cooling of 15 DEG C, through cooling after mono-glycerides solia particle, its particle diameter is 0.8 micron.
Embodiment 6
In 2000L reactor, add hydrogenated palm kernel oil 800 kilograms, 95% glycerine 110 kilograms, make reactor be heated to 60 DEG C and carry out 3 hours building-up reactionss, add appropriate caustic soda adjust ph to 2.6, add atlapulgite 5 kilograms to decolour, elimination carclazyte, by the mono-glycerides liquid after decolouring, by pressure type pump delivery to the sponging granulator with air cooling, through the top-down unrestrained mono-glycerides fog-like liquid of sponging granulator spray gun, in unrestrained process, mono-glycerides fog-like liquid is carried out to the air cooling of 10 DEG C, through cooling after mono-glycerides solia particle, its particle diameter is 0.9 micron.
Embodiment 7
In 2000L reactor, add hydrogenated palm kernel oil 900 kilograms, 95% glycerine 180 kilograms, make reactor be heated to 56 DEG C and carry out 3 hours building-up reactionss, add appropriate caustic soda adjust ph to 2.8, add atlapulgite 18 kilograms to decolour, elimination carclazyte, by the mono-glycerides liquid after decolouring, by pressure type pump delivery to the sponging granulator with air cooling, through the top-down unrestrained mono-glycerides fog-like liquid of sponging granulator spray gun, in unrestrained process, mono-glycerides fog-like liquid is carried out to the air cooling of 12 DEG C, through cooling after mono-glycerides solia particle, its particle diameter is 0.9 micron.
Above a kind of mono-glycerides particulate production method provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands core concept of the present invention for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention.These improve and modify and also should fall in the protection domain of the claims in the present invention.
Claims (1)
1. a production method for mono-glycerides particulate, is characterized in that, carries out as follows successively:
In 2000L reactor, add hydrogenated palm kernel oil 860 kilograms, 95% glycerine 140 kilograms, make reactor be heated to 55 DEG C and carry out 3 hours building-up reactionss, add appropriate caustic soda adjust ph to 2.2, add atlapulgite 10 kilograms to decolour, elimination carclazyte, by the mono-glycerides liquid after decolouring, by pressure type pump delivery to the sponging granulator with air cooling, through the top-down unrestrained mono-glycerides fog-like liquid of sponging granulator spray gun, in unrestrained process, mono-glycerides fog-like liquid is carried out to the air cooling of 12 DEG C, through cooling after mono-glycerides solia particle, its particle diameter is 0.8 micron.
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| CN201410183183.5A CN103936585B (en) | 2014-04-30 | 2014-04-30 | A kind of production method of mono-glycerides particulate |
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| CN201410183183.5A CN103936585B (en) | 2014-04-30 | 2014-04-30 | A kind of production method of mono-glycerides particulate |
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| CN103936585B true CN103936585B (en) | 2016-03-09 |
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| CN103664592A (en) * | 2012-09-25 | 2014-03-26 | 江阴市向阳科技有限公司 | Preparation method of monoglyceride particles |
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| CN103664592A (en) * | 2012-09-25 | 2014-03-26 | 江阴市向阳科技有限公司 | Preparation method of monoglyceride particles |
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Address after: Xiangyang Road, Jiangyin city in Jiangsu Province town of Hua Wuxi City 8-5 No. 214421 Patentee after: Jiangsu Xiangyang Technology Co. Ltd. Address before: Xiangyang Road, Jiangyin city in Jiangsu Province town of Hua Wuxi City 8-5 No. 214421 Patentee before: JIANGYIN XIANGYANG TECHNOLOGY CO., LTD. |