CN106889155A - A kind of hair remover and preparation method thereof - Google Patents
A kind of hair remover and preparation method thereof Download PDFInfo
- Publication number
- CN106889155A CN106889155A CN201510960925.5A CN201510960925A CN106889155A CN 106889155 A CN106889155 A CN 106889155A CN 201510960925 A CN201510960925 A CN 201510960925A CN 106889155 A CN106889155 A CN 106889155A
- Authority
- CN
- China
- Prior art keywords
- hair remover
- lactic acid
- acid oligomer
- hair
- food
- 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
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Classifications
-
- A—HUMAN NECESSITIES
- A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
- A22B—SLAUGHTERING
- A22B5/00—Accessories for use during or after slaughtering
- A22B5/08—Scalding; Scraping; Dehairing; Singeing
-
- A—HUMAN NECESSITIES
- A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
- A22C—PROCESSING MEAT, POULTRY, OR FISH
- A22C21/00—Processing poultry
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
- C08G63/08—Lactones or lactides
Abstract
A kind of hair remover of the present invention, it includes lactic acid oligomer, described lactic acid oligomer number-average molecular weight is 500~30000, by lactic acid (including Pfansteihl, D-ALPHA-Hydroxypropionic acid, D, Pfansteihl) and alcohols, 12~30h of polymerisation is obtained in the presence of a catalyst, under 140 DEG C~170 DEG C and lower pressure.The invention also discloses the preparation method of above-mentioned hair remover.Dispensing of the invention is nontoxic, meets food security regulation；Poultry after processing meets state health standards, meets the requirement of consumer；And the lactic acid that the invention is used is, by fermentation, to be discharged without " three wastes " in preparation process, is entirely environmental protection technique, meets the requirement of sustainable development.Hair remover fusion temperature of the invention is 70 DEG C~95 DEG C, and viscosity is low, and quick solidification after cooling, intensity is high, simple to operate, and depilation efficiency is good；Can Reusability, it is with low cost, rosin hair remover can be replaced.
Description
Technical field
The present invention relates to hair remover for being used in a kind of food processing of novel green and preparation method thereof.
Background technology
At present, in the processing of China birds, especially wing, leg, belly be still with the poultry after machinery depilation
There are many small Maonans to remove；In the domestic animal particularly epilation process of pig's head, pig's feet, because skin is thicker,
The relatively deep very difficult removing of hair root.Many processors are using the rosin containing heavy metal and toxic compounds and contain
The pitch of a large amount of carcinogenic benzene homologues loses hair or feathers, and these noxious materials can pollute the meat of poultry, domestic animal, so as to endanger
That victimizes is healthy.Therefore studying a kind of nontoxic new hair remover for meeting food security has very
Important realistic meaning.
The content of the invention
The technical problems to be solved by the invention are to provide that a kind of nontoxic, hair removal effect is good, can make repeatedly
With, economical and practical hair remover and preparation method thereof.
The technical problem also to be solved of the invention is to provide the preparation method of above-mentioned hair remover.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：
A kind of hair remover, it includes lactic acid oligomer, and described lactic acid oligomer number-average molecular weight is
500~30000, by Pfansteihl, D-ALPHA-Hydroxypropionic acid, D or Pfansteihl, and C2~C18 alcohols in catalyst
In the presence of, 12~30h of polymerisation is obtained under 140 DEG C~170 DEG C and lower pressure.
Wherein, described alcohols is glycerine, butanediol, butantriol, pentaerythrite, inositol, second two
Alcohol, hexylene glycol, benzylalcohol or xylitol.
Wherein, the reaction mol ratio of alcohols and lactic acid is 1：24~300.
Wherein, catalyst is stannous octoate, zinc oxide or zinc acetate.
Wherein, described lower pressure is 0.5~5Kpa.
As preferred scheme of the invention：Above-mentioned hair remover, it includes the component of following percentage by weight：
Lactic acid oligomer 55%~99.99%；
Calcium carbonate 0%~40%；
Food-grade vegetable oil or food-grade plasticizer 0.01%~5%.
Wherein, described food-grade vegetable oil is soybean oil, peanut oil, rapeseed oil or sunflower oil.
Wherein, described food-grade plasticizer is epoxidized soybean oil or citrate.
The preparation method of above-mentioned hair remover, lactic acid and alcohols in the presence of a catalyst, 140 DEG C~170 DEG C and low pressure
Under the conditions of 12~30h of polymerisation lactic acid oligomer is obtained, the number-average molecular weight of described lactic acid oligomer is
500~30000, described lactic acid oligomer is used for hair remover as one-component.
Another preparation method of above-mentioned hair remover, lactic acid and alcohols in the presence of a catalyst, 140 DEG C~170 DEG C
Lactic acid oligomer, the equal molecule of number of described lactic acid oligomer is obtained with 12~30h of polymerisation under lower pressure
Measure is 500~30000；The lactic acid oligomer of formula ratio is heated to 110 DEG C~130 DEG C, the carbon of formula ratio is added
Sour calcium and food-grade vegetable oil or food-grade plasticizer, then stir and obtain final product hair remover.
The application method of above-mentioned fowl domestic animal hair remover：In fowl depilation, by hair remover fusing and temperature control
At 70 DEG C~95 DEG C, it would be desirable in the hair remover of the poultry submergence fusing of depilation after 2~6S, take out and put into 15 DEG C
20~120S is cooled down in~30 DEG C of cold water, then the solid-state hair remover on poultry surface is peeled off and is obtained clean nothing
The poultry prod of hair；In domestic animal loses hair or feathers (such as pig's head, pig's feet depilation), by hair remover fusing and temperature control
System after the 1~2S of hair remover for melting domestic animal immersion, is taken out and is put into 15 DEG C~30 DEG C at 140 DEG C~160 DEG C
20S~60S in cold water, the solid-state hair remover on removal domestic animal surface obtains the clean livestock products without hair.
The beneficial effect of this product is：
1. the material in hair remover of the invention is nontoxic, meets state food security regulations, processing of poultry
After comply fully with state health standards, meet consumer health requirement.
2. hair remover fusion temperature of the present invention low (70 DEG C~95 DEG C), fusing time it is short, power consumption less, viscosity it is low,
Quick solidification, intensity is high, simple to operate after cooling, hair removal effect is good.
3. application method of the present invention is simple, is adapted to large-scale production.
4. discharged without " three wastes " in hair remover preparation process of the present invention, be entirely environmental protection technique, wherein making
With lactic acid be the requirement that meets sustainable development by fermentation.
5. the present invention can substantially improve working environment, it is to avoid the gaseous compound pair in rosin hair remover use
The harm of human body.
6. hair remover of the invention can Reusability, it is with low cost.
Specific embodiment
According to following embodiments, the present invention may be better understood.However, those skilled in the art easily manages
Solution, the content described by embodiment is merely to illustrate the present invention, without should also without limitation in claims
The present invention described in detail.
Embodiment 1：
A kind of hair remover is prepared as follows obtaining：
First by the D of 50kg contents 85%, the glycerine (glycerine) of Pfansteihl solution (471.8mol) and 1.44kg
(15.6mol), at 145 DEG C~165 DEG C, using stannous octoate as catalyst, under the pressure of 0.5~5Kpa
Reaction 20h.It is not added with the hair remover that other dispensings obtain novel green.
After poultry is immersed in 80 DEG C of liquid hair remover in 3S, it is put into rapidly in 25 DEG C of cold water and cools down 30S,
The solid-state hair remover on poultry is peeled off, the clean product without hair is obtained final product, the solid-state hair remover for stripping down can be again
Use.
Embodiment 2：
A kind of poultry of novel green, domestic animal hair remover, first by the D of 60kg contents 85%, Pfansteihl solution
The glycerine (glycerine) (2.8mol) of (566.2mol) and 0.26kg, at a temperature of 145 DEG C~165 DEG C, makes
With stannous octoate as catalyst, 20h is reacted under the pressure of 0.5~5Kpa.The lactic acid oligomer heating that will be obtained
To 130 DEG C~160 DEG C, the epoxidized soybean oil of 1kg is added thereto to, stirred, that is, obtain of the invention new
The hair remover of green.
After poultry is immersed in 80 DEG C~95 DEG C of liquid hair remover in 3S, it is put into rapidly in 20 DEG C of cold water and cools down
30S, peels off the solid-state hair remover on product, obtains final product the clean product without hair, the solid-state hair remover for stripping down
Can reuse.
Embodiment 3：
A kind of poultry of novel green, domestic animal hair remover, first by the D of 45kg contents 85%, Pfansteihl solution
The glycerine (glycerine) (7.1mol) of (424.6mol) and 0.65kg, at a temperature of 145 DEG C~165 DEG C, makes
With zinc oxide as catalyst, 22h is reacted under the pressure of 0.5~5Kpa.The lactic acid oligomer that will be obtained is heated to
In 130 DEG C~160 DEG C, the soybean oil of 1.6kg calcium carbonate and 0.6kg is added thereto to, stirred, that is, obtain this
The novel green hair remover of invention.
After poultry is immersed in 80 DEG C~95 DEG C of liquid hair remover in 3S, it is put into rapidly in 25 DEG C of cold water and cools down
30S, peels off the solid-state hair remover on product, obtains final product the clean product without hair, the solid-state hair remover for stripping down
Can reuse.
Embodiment 4：
A kind of poultry of novel green, domestic animal hair remover, first by the D-ALPHA-Hydroxypropionic acid solution of 65kg contents 85%
The glycerine (glycerine) (17.0mol) of (613.3mol) and 1.57kg, at a temperature of 145 DEG C~165 DEG C,
Using zinc acetate as catalyst, 20h is reacted under the pressure of 0.5~5Kpa.The lactic acid oligomer heating that will be obtained
To 130 DEG C~160 DEG C, the epoxidized soybean oil of 6.4kg calcium carbonate 1.3kg is added thereto to, stirred, that is, obtained
The hair remover of novel green of the invention.
After poultry is immersed in 85 DEG C~95 DEG C of liquid hair remover in 3S, it is put into rapidly in 25 DEG C of cold water and cools down
25S, peels off the solid-state hair remover on product, obtains final product the clean product without hair, the solid-state hair remover for stripping down
Can reuse.
Embodiment 5：
A kind of poultry of novel green, domestic animal hair remover, first by the Pfansteihl solution of 50kg contents 85%
The butanediol (15.8mol) of (471.8mol) and 1.43kg, at a temperature of 145 DEG C~170 DEG C, uses octanoic acid
Stannous react 26h as catalyst under the pressure of 0.5~5Kpa.The lactic acid oligomer that will be obtained is heated to 130 DEG C
~160 DEG C, the epoxidized soybean oil of 2.5kg calcium carbonate and 0.5kg is added thereto to, stirred, that is, obtain this hair
The hair remover of bright novel green.
After poultry is immersed in 80 DEG C~95 DEG C of liquid hair remover in 2S, it is put into rapidly in 20 DEG C of cold water and cools down
30S, peels off the solid-state hair remover on product, obtains final product the clean product without hair, the solid-state hair remover for stripping down
Can reuse.
Embodiment 6：
A kind of poultry of novel green, domestic animal hair remover, first by the D-ALPHA-Hydroxypropionic acid solution of 50kg contents 85%
The butantriol (13.1mol) of (471.8mol) and 1.39kg, at a temperature of 145 DEG C~165 DEG C, uses octanoic acid
Stannous react 24h as catalyst under the pressure of 0.5~5Kpa.It is not added with other dispensings and obtains of the invention new
The hair remover of type green.
After poultry is immersed in 80 DEG C~95 DEG C of liquid hair remover in 2S, it is put into rapidly in 20 DEG C of cold water and cools down
30S, peels off the solid-state hair remover on product, obtains final product the clean product without hair, the solid-state hair remover for stripping down
Can reuse.
Embodiment 7：
A kind of poultry of novel green, domestic animal hair remover, first by the Pfansteihl solution of 50kg contents 85%
The pentaerythrite (15.8mol) of (471.8mol) and 2.15kg, at a temperature of 145 DEG C~165 DEG C, using pungent
Sour stannous react 18h as catalyst under the pressure of 0.5~5Kpa.The lactic acid oligomer that will be obtained is heated to
130 DEG C~160 DEG C, the ATBC of 3.0kg calcium carbonate 0.6kg is added thereto to, stirred, that is, obtained
The hair remover of novel green of the invention.
After poultry is immersed in 80 DEG C~95 DEG C of liquid hair remover in 3S, it is put into rapidly in 25 DEG C of cold water and cools down
30S, peels off the solid-state hair remover on product, obtains final product the clean product without hair, the solid-state hair remover for stripping down
Can reuse.
Embodiment 8：
A kind of poultry of novel green, domestic animal hair remover, first by the D of 50kg contents 85%, Pfansteihl solution
The inositol (13.1mol) of (471.8mol) and 2.36kg, at a temperature of 145 DEG C~165 DEG C, using pungent
Sour stannous react 24h as catalyst under the pressure of 0.5~5Kpa.It is not added with other dispensings and obtains of the invention
The hair remover of novel green.
After the pig's feet that will unload is immersed in 140 DEG C~150 DEG C of liquid hair remover in 2S, it is put into warm water rapidly,
The solid-state hair remover on product surface is peeled off, other finishing are being carried out, the solid-state hair remover for stripping down can be again
It is secondary to use.
Embodiment 9：
A kind of poultry of novel green, domestic animal hair remover, first by the D of 65kg contents 85%, Pfansteihl solution
The ethylene glycol (20.4mol) of (613.3mol) and 1.27kg, at a temperature of 145 DEG C~165 DEG C, uses acetic acid
Zinc reacts 24h as catalyst under the pressure of 0.5~5Kpa.The lactic acid oligomer that will be obtained is heated to 130 DEG C
~160 DEG C, the epoxidized soybean oil of 12.0kg calcium carbonate and 2.4kg is added thereto to, stirred, that is, obtain this hair
The hair remover of bright novel green.
After the pig's feet that will unload is immersed in 140 DEG C~150 DEG C of liquid hair remover in 2S, it is put into warm water rapidly,
The solid-state hair remover on product surface is peeled off, other finishing are being carried out, the solid-state hair remover for stripping down can be again
It is secondary to use.
Embodiment 10：
A kind of poultry of novel green, domestic animal hair remover, first by the D of 50kg contents 85%, Pfansteihl solution
The hexylene glycol (13.1mol) of (471.8mol) and 1.55kg, at a temperature of 145 DEG C~165 DEG C, uses acetic acid
Tin reacts 26h as catalyst under the pressure of 0.5~5Kpa.It is not added with other dispensings and obtains of the invention new
The hair remover of green.
After the pig's feet that will unload is immersed in 140 DEG C~150 DEG C of liquid hair remover in 2S, it is put into warm water rapidly,
The solid-state hair remover on product surface is peeled off, other finishing are being carried out, the solid-state hair remover for stripping down can be again
It is secondary to use.
Embodiment 11：
A kind of poultry of novel green, domestic animal hair remover, first by the D of 60kg contents 85%, Pfansteihl solution
The benzylalcohol (9.4mol) of (566.2mol) and 1.0kg, at a temperature of 145 DEG C~165 DEG C, is made using zinc oxide
It is catalyst, 20h is reacted under the pressure of 0.5~5Kpa.The lactic acid oligomer that will be obtained is heated to 130 DEG C~160 DEG C,
The rapeseed oil of 2.5kg calcium carbonate and 0.25kg is added thereto to, is stirred, that is, obtain novel green of the invention
Hair remover.
After the pig's feet that will unload is immersed in 140 DEG C~150 DEG C of liquid hair remover in 2S, it is put into warm water rapidly,
The solid-state hair remover on product surface is peeled off, other finishing are being carried out, the solid-state hair remover for stripping down can be again
It is secondary to use.
Embodiment 12：
A kind of poultry of novel green, domestic animal hair remover, first by the D of 60kg contents 85%, Pfansteihl solution
The xylitol (18.9mol) of (566.2mol) and 2.87kg, at a temperature of 145 DEG C~165 DEG C, uses octanoic acid
Stannous react 30h as catalyst under the pressure of 0.5~1Kpa.The lactic acid oligomer that will be obtained is heated to 130 DEG C
~160 DEG C, the epoxidized soybean oil of 0.25kg is added thereto to, stirred, that is, obtain novel green of the invention
Hair remover.
After the pig's feet that will unload is immersed in 140 DEG C~150 DEG C of liquid hair remover in 2S, it is put into warm water rapidly,
The solid-state hair remover on product surface is peeled off, other finishing are being carried out, the solid-state hair remover for stripping down can be again
It is secondary to use.
Claims (8)
1. a kind of hair remover, it is characterised in that it includes lactic acid oligomer, described lactic acid oligomer number is divided equally
Son amount is 500~30000, is existed by the alcohols of Pfansteihl, D-ALPHA-Hydroxypropionic acid, D or Pfansteihl, and C2~C18
12~30h of polymerisation is obtained in the presence of catalyst, under 140 DEG C~170 DEG C and lower pressure.
2. hair remover according to claim 1, it is characterised in that described lactic acid is to include.
3. hair remover according to claim 1, it is characterised in that catalyst is stannous octoate, zinc oxide
Or zinc acetate.
4. hair remover according to claim 1, it is characterised in that it includes group of following percentage by weight
Point：
Lactic acid oligomer 55%~99.99%；
Calcium carbonate 0%~40%；
Food-grade vegetable oil or food-grade plasticizer 0.01%~5%.
5. hair remover according to claim 6, it is characterised in that described food-grade vegetable oil is soybean
Oil, peanut oil, rapeseed oil or sunflower oil.
6. hair remover according to claim 6, it is characterised in that described food-grade plasticizer is epoxy
Soybean oil or citrate.
7. the preparation method of the hair remover described in claim 1, it is characterised in that lactic acid and alcohols are in catalyst
In the presence of, 12~30h of polymerisation is obtained lactic acid oligomer, described breast under 140 DEG C~170 DEG C and lower pressure
The number-average molecular weight of acid oligomer is 500~30000, and described lactic acid oligomer is used to lose hair or feathers as one-component
Agent.
8. the preparation method of the hair remover described in claim 4, it is characterised in that lactic acid and alcohols are in catalyst
In the presence of, 12~30h of polymerisation is obtained lactic acid oligomer, described breast under 140 DEG C~170 DEG C and lower pressure
The number-average molecular weight of acid oligomer is 500~30000；The lactic acid oligomer of formula ratio is heated to 110 DEG C
~130 DEG C, the calcium carbonate and food-grade vegetable oil or food-grade plasticizer of formula ratio are added, then stirred i.e.
Obtain hair remover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510960925.5A CN106889155A (en) | 2015-12-18 | 2015-12-18 | A kind of hair remover and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510960925.5A CN106889155A (en) | 2015-12-18 | 2015-12-18 | A kind of hair remover and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106889155A true CN106889155A (en) | 2017-06-27 |
Family
ID=59191329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510960925.5A Pending CN106889155A (en) | 2015-12-18 | 2015-12-18 | A kind of hair remover and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106889155A (en) |
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2015
- 2015-12-18 CN CN201510960925.5A patent/CN106889155A/en active Pending
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Application publication date: 20170627 |