CN111101231A - Spandex easy to degrade and preparation method thereof - Google Patents
Spandex easy to degrade and preparation method thereof Download PDFInfo
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- CN111101231A CN111101231A CN201911374841.8A CN201911374841A CN111101231A CN 111101231 A CN111101231 A CN 111101231A CN 201911374841 A CN201911374841 A CN 201911374841A CN 111101231 A CN111101231 A CN 111101231A
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- spandex
- degrade
- easy
- degradation
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- 229920002334 Spandex Polymers 0.000 title claims abstract description 47
- 239000004759 spandex Substances 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 51
- 230000015556 catabolic process Effects 0.000 claims abstract description 49
- 238000006731 degradation reaction Methods 0.000 claims abstract description 49
- 238000009987 spinning Methods 0.000 claims abstract description 32
- GWTCIAGIKURVBJ-UHFFFAOYSA-L dipotassium;dodecyl phosphate Chemical compound [K+].[K+].CCCCCCCCCCCCOP([O-])([O-])=O GWTCIAGIKURVBJ-UHFFFAOYSA-L 0.000 claims abstract description 17
- 229940045944 sodium lauroyl glutamate Drugs 0.000 claims abstract description 17
- IWIUXJGIDSGWDN-UQKRIMTDSA-M sodium;(2s)-2-(dodecanoylamino)pentanedioate;hydron Chemical compound [Na+].CCCCCCCCCCCC(=O)N[C@H](C([O-])=O)CCC(O)=O IWIUXJGIDSGWDN-UQKRIMTDSA-M 0.000 claims abstract description 17
- 229940077092 sodium myristoyl glutamate Drugs 0.000 claims abstract description 16
- FCBUGCHAVCFTHW-NTISSMGPSA-N sodium;(2s)-2-(tetradecanoylamino)pentanedioic acid Chemical compound [Na].CCCCCCCCCCCCCC(=O)N[C@H](C(O)=O)CCC(O)=O FCBUGCHAVCFTHW-NTISSMGPSA-N 0.000 claims abstract description 16
- 230000002745 absorbent Effects 0.000 claims abstract description 15
- 239000002250 absorbent Substances 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 239000000243 solution Substances 0.000 claims description 36
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 14
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 7
- 229920000909 polytetrahydrofuran Polymers 0.000 claims description 7
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 claims description 7
- 238000004383 yellowing Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000010790 dilution Methods 0.000 claims description 5
- 239000012895 dilution Substances 0.000 claims description 5
- 238000000578 dry spinning Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000004408 titanium dioxide Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 239000006224 matting agent Substances 0.000 claims description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 2
- 239000011550 stock solution Substances 0.000 claims description 2
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 6
- 244000005700 microbiome Species 0.000 abstract description 5
- 238000006065 biodegradation reaction Methods 0.000 abstract description 3
- 239000006185 dispersion Substances 0.000 abstract description 2
- 239000004611 light stabiliser Substances 0.000 abstract description 2
- 235000016709 nutrition Nutrition 0.000 abstract description 2
- 230000035764 nutrition Effects 0.000 abstract description 2
- 238000005063 solubilization Methods 0.000 abstract description 2
- 230000007928 solubilization Effects 0.000 abstract description 2
- 108010067770 Endopeptidase K Proteins 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- -1 N-dimethylhydrazylamino Chemical group 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 150000001413 amino acids Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 210000004177 elastic tissue Anatomy 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000010784 textile waste Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/94—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of other polycondensation products
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6685—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention relates to spandex easy to degrade, which takes spinning solution as a raw material, and degradation agent is added into the spinning solution and consists of potassium dodecyl phosphate, sodium myristoyl glutamate, sodium lauroyl glutamate and ultraviolet absorbent. The degradation agent is added into the spinning solution, so that the prepared spandex has good biodegradability; because sodium lauroyl glutamate has good degradability and can provide nutrition for microorganisms after degradation, the growth of the microorganisms is accelerated and the biodegradation is promoted, the degradation effect of the degradation agent is greatly improved by combining the excellent solubilization and dispersion properties of the potassium dodecyl phosphate, and meanwhile, the ultraviolet absorbent has the characteristics of good miscibility and being capable of being used as a light stabilizer, so that the light stability of the degradation agent is promoted, and the degradation effect of the degradation agent is optimal due to the mutual matching of the raw materials in the degradation agent.
Description
Technical Field
The invention relates to the field of preparation of spandex, in particular to spandex easy to degrade and a preparation method thereof.
Background
Spandex is a polyurethane elastic fiber, is one of fibers with the best elasticity in synthetic fibers, and has the characteristics of high elasticity, high elongation and the like. Spandex has gradually replaced traditional rubber filament products since the 21 st century and is widely applied to the clothing and textile industry. The application fields comprise high-performance structural composite materials, swimming clothes, silk stockings, diapers and the like, and the novel composite material brings comfort and convenience to the life of people and simultaneously brings new problems: because spandex textile waste is rising continuously and becomes one of the important sources of environmental pollution nowadays, it is important to develop an easily degradable spandex fiber so that the spandex waste can be degraded quickly under the action of microorganisms in the natural environment.
Disclosure of Invention
The invention aims to: provides spandex easy to degrade and a preparation method thereof.
In order to achieve the purpose, the invention provides the following technical scheme:
a spandex easy to degrade adopts spinning solution as a raw material, a degrading agent is added into the spinning solution, and the degrading agent consists of potassium dodecyl phosphate, sodium myristoyl glutamate, sodium lauroyl glutamate and an ultraviolet absorbent.
Preferably, the addition amount of the degradation agent is 4-18% of the mass of the spinning solution.
Preferably, the mass ratio of the potassium dodecyl phosphate, the sodium myristoyl glutamate, the sodium lauroyl glutamate and the ultraviolet absorbent in the degradation agent is 2.8-3.2:0.8-1.2:1.8-2.2: 3.8-4.2.
Preferably, the mass ratio of the potassium dodecyl phosphate, the sodium myristoyl glutamate, the sodium lauroyl glutamate and the ultraviolet absorbent in the degradation agent is 3:1:2: 4.
A preparation method of spandex easy to degrade comprises the following specific steps:
s1: reacting polytetramethylene ether glycol and 4, 4-diphenylmethane diisocyanate at 68-72 ℃ for 50-60min, adding N, N-dimethylacetamide for dilution, adding an N, N-dimethylacetamide solution in which 1, 2-propylene diamine, ethylene diamine and ethanolamine are dissolved while stirring, carrying out chain extension reaction, and adding a flatting agent and an anti-yellowing agent to obtain a spinning stock solution;
s2: mixing potassium dodecyl phosphate, sodium myristoyl glutamate, sodium lauroyl glutamate and ultraviolet absorbent to obtain a degradation agent;
s3: adding a degradation agent into the spinning solution, and uniformly mixing to obtain a spandex spinning solution easy to degrade;
s4: curing the spandex spinning solution easy to degrade, and then carrying out dry spinning to obtain the spandex easy to degrade.
Preferably, the mass ratio of the polytetramethylene ether glycol to the 4, 4-diphenylmethane diisocyanate in the step S1 is 165-175: 38-42.
Preferably, the method for preparing spandex easy to degrade according to claim 1 in step S1, wherein the mass ratio of 1, 2-propanediamine, ethylenediamine and ethanolamine in step S1 is 4: 3: 2.
preferably, the matting agent in step S1 is titanium dioxide.
Preferably, the anti-yellowing agent in step S1 is bis (N, N-dimethylhydrazide amino 4-phenyl) methane.
The invention has the beneficial effects that:
the spandex prepared by the method has good use performance and good comfort. The degradation agent is added into the spinning solution, so that the prepared spandex has good biodegradability. Meanwhile, the raw materials in the degradation agent have a mutual matching effect by selecting a proper proportion, so that the degradation effect is further improved; the sodium lauroyl glutamate has good degradability, can provide nutrition for microorganisms after degradation, accelerates the growth of the microorganisms and promotes biodegradation, the sodium myristoyl glutamate is used as an amino acid type surfactant and is easy to biodegrade, the degradation effect of the degradation agent is greatly improved by combining the excellent solubilization and dispersion properties of the potassium dodecyl phosphate, the light stability of the degradation agent can be ensured by utilizing the good miscibility of an ultraviolet absorbent and the property of being used as a light stabilizer, and the degradation effect of the degradation agent can reach the best by the mutual matching of the raw materials in the degradation agent.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
Example 1
A preparation method of spandex easy to degrade comprises the following specific steps:
s1: reacting 170g of polytetramethylene ether glycol and 40g of 4, 4-diphenylmethane diisocyanate at 70 ℃ for 55min, adding 340g of N, N-dimethylacetamide for dilution, rapidly adding 100g of N, N-dimethylacetamide solution in which 1.2g of 1, 2-propanediamine, 2.8g of ethylenediamine and 0.4g of ethanolamine are dissolved while stirring, carrying out chain extension reaction, and adding 1.5g of titanium dioxide serving as a delustering agent and 1.2g of bis (N, N-dimethylhydrazylamino 4-phenyl) serving as an anti-yellowing agent to obtain spinning dope;
s2: mixing potassium dodecyl phosphate, sodium myristoyl glutamate, sodium lauroyl glutamate and ultraviolet absorbent to obtain a degradation agent;
wherein the mass ratio of the potassium dodecyl phosphate, the sodium myristoyl glutamate, the sodium lauroyl glutamate and the ultraviolet absorbent in the degradation agent is 3:1:2: 4.
S3: adding a degradation agent into the spinning solution, and uniformly mixing to obtain a spandex spinning solution easy to degrade;
wherein, the addition of the degradation agent is 4 percent of the mass of the spinning solution.
S4: curing the spandex spinning solution easy to degrade, and then carrying out dry spinning to obtain the spandex easy to degrade.
Example 2
A preparation method of spandex easy to degrade comprises the following specific steps:
s1: reacting 170g of polytetramethylene ether glycol and 40g of 4, 4-diphenylmethane diisocyanate at 70 ℃ for 55min, adding 340g of N, N-dimethylacetamide for dilution, rapidly adding 100g of N, N-dimethylacetamide solution in which 1.2g of 1, 2-propanediamine, 2.8g of ethylenediamine and 0.4g of ethanolamine are dissolved while stirring, carrying out chain extension reaction, and adding 1.5g of titanium dioxide serving as a delustering agent and 1.2g of bis (N, N-dimethylhydrazylamino 4-phenyl) serving as an anti-yellowing agent to obtain spinning dope;
s2: mixing potassium dodecyl phosphate, sodium myristoyl glutamate, sodium lauroyl glutamate and ultraviolet absorbent to obtain a degradation agent;
wherein the mass ratio of the potassium dodecyl phosphate, the sodium myristoyl glutamate, the sodium lauroyl glutamate and the ultraviolet absorbent in the degradation agent is 3:1:2: 4.
S3: adding a degradation agent into the spinning solution, and uniformly mixing to obtain a spandex spinning solution easy to degrade;
wherein, the addition amount of the degradation agent is 15 percent of the mass of the spinning solution.
S4: curing the spandex spinning solution easy to degrade, and then carrying out dry spinning to obtain the spandex easy to degrade.
Example 3
A preparation method of spandex easy to degrade comprises the following specific steps:
s1: reacting 170g of polytetramethylene ether glycol and 40g of 4, 4-diphenylmethane diisocyanate at 70 ℃ for 55min, adding 340g of N, N-dimethylacetamide for dilution, rapidly adding 100g of N, N-dimethylacetamide solution in which 1.2g of 1, 2-propanediamine, 2.8g of ethylenediamine and 0.4g of ethanolamine are dissolved while stirring, carrying out chain extension reaction, and adding 1.5g of titanium dioxide serving as a delustering agent and 1.2g of bis (N, N-dimethylhydrazylamino 4-phenyl) serving as an anti-yellowing agent to obtain spinning dope;
s2: mixing potassium dodecyl phosphate, sodium myristoyl glutamate, sodium lauroyl glutamate and ultraviolet absorbent to obtain a degradation agent;
wherein the mass ratio of the potassium dodecyl phosphate, the sodium myristoyl glutamate, the sodium lauroyl glutamate and the ultraviolet absorbent in the degradation agent is 3:1:2: 4.
S3: adding a degradation agent into the spinning solution, and uniformly mixing to obtain a spandex spinning solution easy to degrade;
wherein, the addition amount of the degradation agent is 18 percent of the mass of the spinning solution.
S4: curing the spandex spinning solution easy to degrade, and then carrying out dry spinning to obtain the spandex easy to degrade.
Comparative example 1
Spandex was prepared according to the same method as described in example 1, except that no degradation agent was added to the dope.
The biodegradation tests were carried out on the spandex prepared in examples 1-3 as follows:
adding a certain amount of proteinase K into a proper amount of water, completely dissolving the proteinase K, fixing the volume to prepare a 520mg/mL proteinase K solution, storing the solution at-20 ℃, putting 1mL proteinase K solution into a conical flask containing 150mL PBS buffer solution (pH 7.4), putting a certain amount of spandex fiber into the simulated solution, placing the solution in a constant-temperature oscillation box at 37 +/-1 ℃ and oscillation speed of 100 +/-5 times/min for 30 days, taking out the solution, washing and drying the solution to test the weight of the spandex fiber, wherein the degradation rate is (weight before degradation-weight after degradation)/weight before degradation multiplied by 100%.
| Item | Rate of degradation |
| Example 1 | 28.1％ |
| Example 2 | 38.7％ |
| Example 3 | 39.8％ |
| Comparative example 1 | 2.18％ |
Claims (9)
1. The spandex easy to degrade is characterized in that spinning solution is adopted as a raw material, a degradation agent is added into the spinning solution, and the degradation agent consists of potassium dodecyl phosphate, sodium myristoyl glutamate, sodium lauroyl glutamate and an ultraviolet absorbent.
2. The spandex easy to degrade according to claim 1, wherein the degradation agent is added in an amount of 4-18% by mass of the dope.
3. The spandex easy to degrade of claim 1, wherein the degradation agent comprises potassium dodecyl phosphate, sodium myristoyl glutamate, sodium lauroyl glutamate and an ultraviolet absorber in a mass ratio of 2.8-3.2:0.8-1.2:1.8-2.2: 3.8-4.2.
4. The spandex easy to degrade according to claim 3, wherein the degradation agent comprises potassium dodecyl phosphate, sodium myristoyl glutamate, sodium lauroyl glutamate and an ultraviolet absorber in a mass ratio of 3:1:2: 4.
5. The process for the preparation of spandex susceptible to degradation according to any one of claims 1 to 4, characterized in that: the method comprises the following specific steps:
s1: reacting polytetramethylene ether glycol and 4, 4-diphenylmethane diisocyanate at 68-72 ℃ for 50-60min, adding N, N-dimethylacetamide for dilution, adding an N, N-dimethylacetamide solution in which 1, 2-propylene diamine, ethylene diamine and ethanolamine are dissolved while stirring, carrying out chain extension reaction, and adding a flatting agent and an anti-yellowing agent to obtain a spinning stock solution;
s2: mixing potassium dodecyl phosphate, sodium myristoyl glutamate, sodium lauroyl glutamate and ultraviolet absorbent to obtain a degradation agent;
s3: adding a degradation agent into the spinning solution, and uniformly mixing to obtain a spandex spinning solution easy to degrade;
s4: curing the spandex spinning solution easy to degrade, and then carrying out dry spinning to obtain the spandex easy to degrade.
6. The method for preparing spandex easy to degrade as recited in claim 5, wherein the mass ratio of polytetramethylene ether glycol to 4, 4-diphenylmethane diisocyanate in step S1 is 165-175: 38-42.
7. The method for preparing spandex easy to degrade according to claim 5, wherein the mass ratio of the 1, 2-propane diamine to the ethylene diamine to the ethanolamine in step S1 is 4: 3: 2.
8. the method of claim 5, wherein the matting agent in step S1 is titanium dioxide.
9. The method of preparing spandex easy to degrade according to claim 5, wherein the anti-yellowing agent in step S1 is bis (N, N-dimethylhydrazide amino 4-phenyl) methane.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911374841.8A CN111101231A (en) | 2019-12-27 | 2019-12-27 | Spandex easy to degrade and preparation method thereof |
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| CN201911374841.8A CN111101231A (en) | 2019-12-27 | 2019-12-27 | Spandex easy to degrade and preparation method thereof |
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| CN111101231A true CN111101231A (en) | 2020-05-05 |
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| CN201911374841.8A Pending CN111101231A (en) | 2019-12-27 | 2019-12-27 | Spandex easy to degrade and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112592570A (en) * | 2020-12-15 | 2021-04-02 | 江西省萍乡市轩品塑胶制品有限公司 | Degradable filling functional master batch and preparation method thereof |
| CN114657659A (en) * | 2022-03-31 | 2022-06-24 | 无锡沛莱斯纺织有限公司 | Biodegradable elastic material and garment and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104630929A (en) * | 2015-03-16 | 2015-05-20 | 浙江华峰氨纶股份有限公司 | Biodegradable spandex for paper diaper, and preparation method thereof |
| CN108795592A (en) * | 2017-08-23 | 2018-11-13 | 长沙普济生物科技股份有限公司 | A kind of aqua type industrial cleaning agent and preparation method thereof |
| CN109797055A (en) * | 2019-03-21 | 2019-05-24 | 冠道（广州）科技有限公司 | A kind of multifunctional detergent and preparation method thereof that addition amino acid table is living |
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2019
- 2019-12-27 CN CN201911374841.8A patent/CN111101231A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104630929A (en) * | 2015-03-16 | 2015-05-20 | 浙江华峰氨纶股份有限公司 | Biodegradable spandex for paper diaper, and preparation method thereof |
| CN108795592A (en) * | 2017-08-23 | 2018-11-13 | 长沙普济生物科技股份有限公司 | A kind of aqua type industrial cleaning agent and preparation method thereof |
| CN109797055A (en) * | 2019-03-21 | 2019-05-24 | 冠道（广州）科技有限公司 | A kind of multifunctional detergent and preparation method thereof that addition amino acid table is living |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112592570A (en) * | 2020-12-15 | 2021-04-02 | 江西省萍乡市轩品塑胶制品有限公司 | Degradable filling functional master batch and preparation method thereof |
| CN114657659A (en) * | 2022-03-31 | 2022-06-24 | 无锡沛莱斯纺织有限公司 | Biodegradable elastic material and garment and preparation method thereof |
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Application publication date: 20200505 |