CN102121136A - Method for making silk with transgenic color cocoons - Google Patents
Method for making silk with transgenic color cocoons Download PDFInfo
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- CN102121136A CN102121136A CN 201110086394 CN201110086394A CN102121136A CN 102121136 A CN102121136 A CN 102121136A CN 201110086394 CN201110086394 CN 201110086394 CN 201110086394 A CN201110086394 A CN 201110086394A CN 102121136 A CN102121136 A CN 102121136A
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Abstract
The invention relates to a method for making silk with transgenic color cocoons. The method comprises the following steps: adding an auxiliary mixture and water to a cocoon cooking barrel to obtain diluted auxiliary solution; and utilizing the obtained auxiliary solution to cook the color cocoons, wherein the auxiliary mixture comprises the following components by mass: 5-25% of fatty alcohol phosphates, 1-10% of fatty alcohol sulfates, 0.5-5% of alkali, 20-40% of Na2SiO3, 1-10% of ethoxylated fatty alcohol phosphates, 1-10% of ethoxylated fatty alcohol sulfates, 0.1-5% of water softener, 1-10% of alcohol ether, 0.1-5% of preservative, 1-10% of penetrating agent JFC and the balance of water; the volume ratio of the auxiliary mixture to the obtained auxiliary solution is 0.1-0.5%. The original colors of the transgenic silkworms can be effectively maintained by the method and the method is simple to operate and suitable for large scale production. According to the invention, the reelability of reeling silk can be 30-50%, the reeling silk yielding can be 20-30%, the size of the made raw silk can be 20-40dtex, the strength can be 2.0-3.0cN/dtex, the elongation at break can be 18-22%, the cleanliness can be 93-98 and the purity can be 86-92, and the raw silk has bright color and can completely meet the spinning and weaving requirements.
Description
Technical field
The present invention relates to the throwing process of the colored mulberry cocoon of transgenosis, relate in particular to cocoon cooking (and filature) step in the throwing process.
Background technology
The technology for making tobacco threds of silk cocoon generally includes the stripping cocoon, selects silkworm, cocoon cooking, filature, return several steps such as silk.The purpose of cocoon cooking is to make the mutually deadlocked silk layer swelling of silk softening by water, steam or chemical agent, makes the silk extraction that dissociates from cocoon layer.Conventional cocoons-boiling method is a vacuum infiltration, and the soup temperature cocoon cooking about 97 ℃ reaches suitable and boils.Filature is meant from well-done cocoon seeks out the thread silk, and some positive end cocoon silks are concentrated in together becomes a raw silk, when fall thread and midway during dropping end cocoon of nature takes place, adds positive end cocoon, prepares the uniform raw silk process of fiber number.Therefore, the filature step comprises beating in fact respectively and two processes of filature.Must find out the thread silk from ripe cocoon earlier during filature, this process is beating.Beatingly in beating soup, carry out.Ripe cocoon after beating need be transferred to and carry out automatically (or artificial) filature in the lower filature soup of temperature.In the filature condition, beating soup temperature effect is big.Usually, beating soup temperature is 80-90 ℃.Then, allow silk gum sex change once more, change the package mode simultaneously, will reel once more, this step becomes returns silk.
Colored mulberry cocoon is well known to those skilled in the art.For example, CN101979725A and CN101423980A all relate to the technology for making tobacco threds of colored mulberry cocoon.But, the cocoon cooking of existing these technology for making tobacco threds and filature step, be not suitable for the throwing of the color cocoon of transgenosis, not that in fact can not effectively to finish cocoon cooking and filature because corresponding soup temperature is lower be exactly the chromoprotein sex change in the render transgenic colour mulberry cocoon because the soup temperature is too high, the colouredness of the reduction or the transgenosis mulberry silk that disappeared, thus can't satisfy the throwing requirement.
Summary of the invention
The object of the present invention is to provide a kind of color cocoon throwing method, its can effectively keep transgenic bombyx mori original color and simple to operate, be applicable to large-scale production.
Color cocoon throwing method according to the present invention comprises: add the compounding agent solution after agent mixture and water dilute with acquisition in the cocoon cooking bucket; With utilize the gained compounding agent solution that color cocoon is carried out cocoon cooking to handle.The quality group of described agent mixture becomes: the fatty alcohol phosphate of 5%-25%; The fatty alcohol sulfate of 1%-10%; The alkali of 0.5%-5%; The Na of 20%-40%
2SiO
3The aliphatic alcohol polyoxyvinethene phosphate of 1%-10%; The polyoxyethylene alkyl ether sulfate of 1%-10%; The water softener of 0.1%-5%; The alcohol ether of 1%-10%; The preservative agent of 0.1%-5%; The penetrating agent JFC of 1%-10%; Surplus is a water.The volume ratio of described agent mixture and gained compounding agent solution is 0.1%-0.5%.
Vacuum in the preferred cocoon cooking bucket is-0.095 to-0.1MPa.Compounding agent solution temperature in the cocoon cooking bucket is preferably 35 ℃-60 ℃.
The preferred aspect of color cocoon throwing method of the present invention also comprises: also use the compounding agent solution identical with above-mentioned compounding agent solution to carry out beating processing later in cocoon cooking.
Compounding agent solution temperature during preferred beating handle is 55 ℃-70 ℃.
The present invention has been owing to adopted above-mentioned compounding agent solution, thereby can carry out effective throwing under cryogenic conditions.According to the present invention, the filature reelability percentage can reach 30-50%, silk production rate 20-30%, the raw silk size that makes can be at 20-40dtex, and intensity reaches 2.0-3.0cN/dtex, elongation at break 18-22%, cleaning reaches the 93-98 branch, cleaning reaches the 86-92 branch, and the raw silk lovely luster can satisfy the weaving requirements of weaving process fully.
The specific embodiment
The present invention adopts Southwestern University to utilize transgenic technology improvement silkworm, the colored silkworm of a kind of economic letting animals feed of independent development---transgenosis (green system, referring to publication number is the Chinese patent application of CN101255423A), its cocoon look is green, comprise light green, medium green and dark green three kinds of colors, its cocoon shape is shape with a tight waist and ellipse, and Boardy Feeling, silk gum are heavy, and the wrinkle that contracts closely, see obvious fluorescence reaction under the ultraviolet light.
As mentioned above, the technology for making tobacco threds of silk cocoon generally includes the stripping cocoon, selects silkworm, cocoon cooking, filature, returns several steps such as silk.Therefore, in the present invention, carry out before the cocoon cooking, color cocoon also need through some necessary pre-treatment step for example shell cocoon, conventional treatment step (for brevity, being not described in detail these conventional treatment steps) such as select silkworm at this.In following embodiment, the present invention is primarily aimed at cocoon cooking in the color cocoon throwing, beating, filature (and returning silk) is made corresponding explanation.
A, cocoon cooking
The color cocoon of pretreated transgenosis is put into the cocoon cooking bucket, to-0.1MPa condition, vacuumize processing (for example 3-6 minute) for-0.095 in vacuum, 35 ℃-60 ℃ compounding agent solutions are introduced the cocoon cooking bucket, this compounding agent solution forms after by agent mixture (concrete component referring to table 1) thin up, and wherein the volume ratio of the compounding agent solution after agent mixture and the dilution is 0.1%-0.5%.(for example 1-4 minute) final vacuum of balance a period of time under above-mentioned vacuum, draining.In addition, according to circumstances can also repeat above-mentioned steps 1-4 time.After this, can use 35-60 ℃ of water retting (the color cocoon of transgenosis) 3-5 minute, use 55-70 ℃ poach 6-12 minute again.
Table 1: the composition of agent mixture and the mass ratio of every kind of composition in mixture
Composition | Ratio (mass percent) |
Fatty alcohol phosphate | 5%-25% |
Fatty alcohol sulfate | 1%-10% |
Alkali | 0.5%-5% |
Na 2SiO 3 | 20%-40% |
Aliphatic alcohol polyoxyvinethene phosphate | 1%-10% |
Polyoxyethylene alkyl ether sulfate | 1%-10% |
Water softener | 0.1%-5% |
Alcohol ether | 1%-10% |
Preservative agent | 0.1%-5% |
Penetrating agent JFC | 1%-10% |
Water | Surplus |
In the present invention, mentioned component all is well known to those skilled in the art.The present invention there is no specific (special) requirements to these compositions, and above-mentioned compounding agent solution can adopt any suitable " fatty alcohol phosphate (for example tetradecyl alchohol phosphate sodium), fatty alcohol sulfate (for example lauryl alcohol sulfuric ester sodium salt), aliphatic alcohol polyoxyvinethene phosphate (for example C12-14 alcohol polyoxyethylene (3) ether phosphate sylvite), polyoxyethylene alkyl ether sulfate (for example C12 AESA), alcohol ether (for example diethylene glycol methyl ether) "; Alkali can be for example NaOH or KOH; Water softener can be an EDPA sodium for example; Preservative agent can be two imidazolidinyl ureas or iodo propine butyl sodium formate; Penetrating agent JFC (chemical composition: can be fatty alcohol-polyoxyethylene ether) for example available from the coral board penetrating agent JFC of Jiangsu Hai'an Petrochemical Plant.
B, filature
The color cocoon of transgenosis after processing of step A carries out beating with reeling machine and filature is handled.Wherein in beating process, add with steps A in identical compounding agent solution, beating soup temperature can be set to 55-70 ℃.Soup temperature when filature is handled can be set at 30-40 ℃, and the speed of a motor vehicle of filature can be 80-160 rev/min.
C, return silk
The color silk of transgenosis after step B handles can return silk with returning a machine (rereeling machine) subsequently, and temperature is set at 35-45 ℃, and the speed of a motor vehicle for example is 120-150 rev/min.
According to the raw silk lovely luster of method for preparing, apparent green fluorescence under the ultraviolet light satisfies the weaving requirements of weaving process fully.
It will be understood by those skilled in the art that the above-mentioned specific embodiment only is used to explain the present invention but not it is carried out any restriction.For example, the present invention is not limited to the color cocoon of this green, but goes for the color cocoon of any adequate types and color.
Claims (5)
1. color cocoon throwing method comprises:
In the cocoon cooking bucket, add the compounding agent solution after agent mixture and water dilute with acquisition; With
Utilize the gained compounding agent solution that color cocoon is carried out cocoon cooking and handle, wherein
The quality group of described agent mixture becomes: the fatty alcohol phosphate of 5%-25%; The fatty alcohol sulfate of 1%-10%; The alkali of 0.5%-5%; The Na of 20%-40%
2SiO
3The aliphatic alcohol polyoxyvinethene phosphate of 1%-10%; The polyoxyethylene alkyl ether sulfate of 1%-10%; The water softener of 0.1%-5%; The alcohol ether of 1%-10%; The preservative agent of 0.1%-5%; The penetrating agent JFC of 1%-10%; Surplus is a water, and
The volume ratio of described agent mixture and gained compounding agent solution is 0.1%-0.5%.
2. according to the color cocoon throwing method of claim 1, wherein the vacuum in the cocoon cooking bucket is-0.095 to-0.1MPa.
3. according to the color cocoon throwing method of claim 1, wherein the compounding agent solution temperature in the cocoon cooking bucket is 35 ℃-60 ℃.
4. according to the color cocoon throwing method of claim 1, also comprise:
Also use described compounding agent solution to carry out beating processing later in cocoon cooking.
5. according to the color cocoon throwing method of claim 4, the compounding agent solution temperature during wherein beating the processing is 55 ℃-70 ℃.
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CN2011100863943A CN102121136B (en) | 2011-04-07 | 2011-04-07 | Method for making silk with transgenic color cocoons |
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CN102121136A true CN102121136A (en) | 2011-07-13 |
CN102121136B CN102121136B (en) | 2012-05-09 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105442303A (en) * | 2015-12-18 | 2016-03-30 | 张莘蔓 | Silk expanding agent and preparation method thereof |
CN105484028A (en) * | 2015-12-18 | 2016-04-13 | 张莘蔓 | Silk bulking method |
CN105506961A (en) * | 2015-12-18 | 2016-04-20 | 张莘蔓 | Method for puffing refined silk |
CN105696315A (en) * | 2016-03-10 | 2016-06-22 | 广西立盛茧丝绸有限公司 | Silk swelling method |
CN105755804A (en) * | 2016-03-10 | 2016-07-13 | 广西立盛茧丝绸有限公司 | Swelling method used after silk refining |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1446950A (en) * | 2003-03-27 | 2003-10-08 | 成都天友发展有限公司 | One step filature method for fresh cocoons of silkworms |
CN101423980A (en) * | 2008-12-05 | 2009-05-06 | 西南大学 | Silk reeling method for GFP family chromoprotein silkworm colourful cocoon |
-
2011
- 2011-04-07 CN CN2011100863943A patent/CN102121136B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1446950A (en) * | 2003-03-27 | 2003-10-08 | 成都天友发展有限公司 | One step filature method for fresh cocoons of silkworms |
CN101423980A (en) * | 2008-12-05 | 2009-05-06 | 西南大学 | Silk reeling method for GFP family chromoprotein silkworm colourful cocoon |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105442303A (en) * | 2015-12-18 | 2016-03-30 | 张莘蔓 | Silk expanding agent and preparation method thereof |
CN105484028A (en) * | 2015-12-18 | 2016-04-13 | 张莘蔓 | Silk bulking method |
CN105506961A (en) * | 2015-12-18 | 2016-04-20 | 张莘蔓 | Method for puffing refined silk |
CN105696315A (en) * | 2016-03-10 | 2016-06-22 | 广西立盛茧丝绸有限公司 | Silk swelling method |
CN105755804A (en) * | 2016-03-10 | 2016-07-13 | 广西立盛茧丝绸有限公司 | Swelling method used after silk refining |
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