CN108129810A - A kind of highly hygroscopic medical tissue acid fiber by polylactic - Google Patents
A kind of highly hygroscopic medical tissue acid fiber by polylactic Download PDFInfo
- Publication number
- CN108129810A CN108129810A CN201711403265.6A CN201711403265A CN108129810A CN 108129810 A CN108129810 A CN 108129810A CN 201711403265 A CN201711403265 A CN 201711403265A CN 108129810 A CN108129810 A CN 108129810A
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- parts
- xanthans
- polylactic
- fiber
- compound
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- 239000000835 fiber Substances 0.000 title claims abstract description 39
- 239000002253 acid Substances 0.000 title claims abstract description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 42
- 229920001285 xanthan gum Polymers 0.000 claims abstract description 37
- 150000001875 compounds Chemical class 0.000 claims abstract description 29
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000004626 polylactic acid Substances 0.000 claims abstract description 16
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 244000060011 Cocos nucifera Species 0.000 claims abstract description 12
- 235000013162 Cocos nucifera Nutrition 0.000 claims abstract description 12
- 238000012856 packing Methods 0.000 claims abstract description 12
- 238000005728 strengthening Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 7
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 7
- 239000003086 colorant Substances 0.000 claims abstract description 7
- 239000002270 dispersing agent Substances 0.000 claims abstract description 7
- 239000000314 lubricant Substances 0.000 claims abstract description 7
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 235000012424 soybean oil Nutrition 0.000 claims abstract description 7
- 239000003549 soybean oil Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 235000013873 oxidized polyethylene wax Nutrition 0.000 claims abstract description 6
- 239000004209 oxidized polyethylene wax Substances 0.000 claims abstract description 6
- 238000004108 freeze drying Methods 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims description 12
- 235000004431 Linum usitatissimum Nutrition 0.000 claims description 6
- 229910021536 Zeolite Inorganic materials 0.000 claims description 6
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 239000010451 perlite Substances 0.000 claims description 6
- 235000019362 perlite Nutrition 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 6
- 239000010457 zeolite Substances 0.000 claims description 6
- 240000006240 Linum usitatissimum Species 0.000 claims description 5
- ASOKPJOREAFHNY-UHFFFAOYSA-N 1-Hydroxybenzotriazole Chemical class C1=CC=C2N(O)N=NC2=C1 ASOKPJOREAFHNY-UHFFFAOYSA-N 0.000 claims description 3
- 235000019441 ethanol Nutrition 0.000 claims 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- RAABOESOVLLHRU-UHFFFAOYSA-N diazene Chemical compound N=N RAABOESOVLLHRU-UHFFFAOYSA-N 0.000 claims 1
- 229910000071 diazene Inorganic materials 0.000 claims 1
- 238000011049 filling Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 238000005406 washing Methods 0.000 abstract description 5
- 230000009931 harmful effect Effects 0.000 abstract description 3
- LMDZBCPBFSXMTL-UHFFFAOYSA-N 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide Chemical compound CCN=C=NCCCN(C)C LMDZBCPBFSXMTL-UHFFFAOYSA-N 0.000 abstract 1
- JMTMSDXUXJISAY-UHFFFAOYSA-N 2H-benzotriazol-4-ol Chemical class OC1=CC=CC2=C1N=NN2 JMTMSDXUXJISAY-UHFFFAOYSA-N 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 6
- 239000012964 benzotriazole Substances 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- FPQQSJJWHUJYPU-UHFFFAOYSA-N 3-(dimethylamino)propyliminomethylidene-ethylazanium;chloride Chemical class Cl.CCN=C=NCCCN(C)C FPQQSJJWHUJYPU-UHFFFAOYSA-N 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 241000208202 Linaceae Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/28—Organic non-cellulose fibres from natural polymers
- D21H13/30—Non-cellulose polysaccharides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/018—Additives for biodegradable polymeric composition
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/12—Applications used for fibers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of highly hygroscopic medical tissue acid fiber by polylactic, raw material includes by weight：60 80 parts of polylactic acid, 15 24 parts of xanthans compound, 0.1 0.5 parts of silane coupling agent, 8 12 parts of packing strengthening agent, 12 parts of polyethylene glycol, 12 parts of epoxidized soybean oil, 12 parts of oxidized polyethylene wax, 12 parts of colorant, 0.5 1.2 parts of lubricant, 12 parts of dispersant.Xanthans compound is prepared using following technique：Cocoanut fiber is dried, it crushes, sodium hydroxide solution is added in impregnate, filtering, it is dry, it adds in ethanol solution, 1 (3 dimethylamino-propyl) 3 ethyl carbodiimide hydrochlorides, N hydroxy benzo triazoles and is uniformly mixed, it is subsequently added into xanthans stirring, washing, freeze-drying, smashing obtain xanthans compound.Moisture pick-up properties of the present invention is excellent, can be applied to medical tissue, and discarded rear biological degradability is good, small to the harmful effect of environment.
Description
Technical field
The present invention relates to medical tissue technical field more particularly to a kind of highly hygroscopic medical tissue polylactic acid fibres
Dimension.
Background technology
Polylactic acid (PLA) fiber be with starch-containing materials such as corn, wheats, it is fermented to be converted into lactic acid then aggregated, spin
Fiber made of silk, it not only has excellent physical property and wearability, but also can be biodegradable, is that one kind can completely certainly
The novel environment-friendlyfiber fiber so recycled can be widely used in medical tissue.
PLA fibers have unique physical and chemical performance, and medical tissue made of it is soft, form stable,
But there are moisture sorption effects can not meet demand for PLA fibers, this brings difficulty to the popularization of PLA tissues.
Invention content
Technical problems based on background technology, it is fine that the present invention proposes a kind of highly hygroscopic medical tissue polylactic acid
Dimension, while polylactic acid possessed transparent and flexibility in itself is maintained, moisture pick-up properties is excellent, can be applied to medical wiping hand
Paper, and discarded rear biological degradability is good, places in a natural environment or is buried in the earth and can slowly decompose after discarded, to environment
Harmful effect is small.
The highly hygroscopic medical tissue acid fiber by polylactic of one kind proposed by the present invention, raw material include by weight：Poly- breast
It is 60-80 parts sour, 15-24 parts of xanthans compound, 0.1-0.5 parts of silane coupling agent, 8-12 parts of packing strengthening agent, polyethylene glycol 1-
2 parts, 1-2 parts of epoxidized soybean oil, 1-2 parts of oxidized polyethylene wax, 1-2 parts of colorant, 0.5-1.2 parts of lubricant, dispersant 1-2
Part.
Preferably, xanthans compound is prepared using following technique：Cocoanut fiber dry, pulverize, add in sodium hydroxide
Solution impregnates, and filters, dry, adds in ethanol solution, 1- (3- dimethylamino-propyls) -3- ethyl carbodiimide hydrochlorides, N- hydroxyls
Benzotriazole is uniformly mixed, and is subsequently added into xanthans stirring, is washed, freeze-drying, smashing obtains xanthans compound.
Preferably, in the preparation process of xanthans compound, cocoanut fiber is dried into 20-40min, drying temperature 105-
115℃。
Preferably, it in the preparation process of xanthans compound, adds in sodium hydroxide solution and impregnates 2-6h, soaking temperature is
60-70℃。
Preferably, in the preparation process of xanthans compound, cocoanut fiber, sodium hydroxide solution, ethanol solution, 1- (3-
Dimethylamino-propyl) -3- ethyl carbodiimide hydrochlorides, N- hydroxy benzo triazoles, xanthans weight ratio be 20-24：50-
70：80-120：0.5-1.5：0.8-1.5：24-35, concentration of sodium hydroxide solution 0.8-1.2mol/L, ethanol solution concentration
60-70wt%.
Preferably, packing strengthening agent includes by weight：2-6 parts of flax fiber, 1-4 parts of expanded perlite, medical stone powder
2-4 parts, 1-2 parts of zeolite powder.
For the present invention while polylactic acid possessed transparent and flexibility in itself is maintained, moisture pick-up properties is excellent, can answer
For medical tissue, and discarded rear biological degradability is good, and placing in a natural environment or be buried in the earth after discarded can be slow
It decomposes, it is small to the harmful effect of environment.
In the xanthans compound of the present invention, cocoanut fiber is high by sodium hydroxide alkalization processing rear surface activity, point
It is dispersed in ethanol solution, is compounded with xanthans, then through 1- (3- dimethylamino-propyls) -3- ethyl carbodiimide hydrochlorides and N- hydroxyls
After benzotriazole processing, there is higher degree of crosslinking and mechanical property, not only pore structure is flourishing, and moisture sorption effect is higher, and
Degradation property is good, and 40d is degradable, is conducive to the extensive use in medical tissue；Xanthans compound is fine with polylactic acid
Dimension cooperation can save the additive amount of polylactic acid, significantly improve the moisture sorption effect of acid fiber by polylactic, up to own wt 73% with
On, and it is not easy to break, fibre strength is high, and for tensile strength up to 31MPa, elongation at break is up to 500%, while the two
Degradation property is preferable, free from environmental pollution after discarding, and is embedded to behind underground 2 years degradable more than 75%.
Specific embodiment
In the following, technical scheme of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of highly hygroscopic medical tissue acid fiber by polylactic, raw material include：Polylactic acid 60kg, xanthans compound
24kg, silane coupling agent 0.1kg, packing strengthening agent 12kg, polyethylene glycol 1kg, epoxidized soybean oil 2kg, oxidized polyethylene wax
1kg, colorant 2kg, lubricant 0.5kg, dispersant 2kg.
Packing strengthening agent includes：Flax fiber 2kg, expanded perlite 4kg, medical stone powder 2kg, zeolite powder 2kg.
Xanthans compound is prepared using following technique：20kg cocoanut fibers are dried into 40min, drying temperature is 105 DEG C,
It crushes, adds in a concentration of 0.8mol/L sodium hydroxide solutions of 70kg and impregnate 6h, soaking temperature is 60 DEG C, is filtered, dry, is added in
120kg concentration 60wt% ethanol solutions, 1.5kg1- (3- dimethylamino-propyls) -3- ethyl carbodiimide hydrochlorides, 0.8kgN- hydroxyls
Base benzotriazole is uniformly mixed, and is subsequently added into 35kg xanthans stirring 2h, and deionized water washing is freeze-dried, and smashing obtains
Xanthans compound.
Embodiment 2
A kind of highly hygroscopic medical tissue acid fiber by polylactic, raw material include：Polylactic acid 80kg, xanthans compound
15kg, silane coupling agent 0.5kg, packing strengthening agent 8kg, polyethylene glycol 2kg, epoxidized soybean oil 1kg, oxidized polyethylene wax 2kg,
Colorant 1kg, lubricant 1.2kg, dispersant 1kg.
Packing strengthening agent includes：Flax fiber 6kg, expanded perlite 1kg, medical stone powder 4kg, zeolite powder 1kg.
Xanthans compound is prepared using following technique：24kg cocoanut fibers are dried into 20min, drying temperature is 115 DEG C,
It crushes, adds in a concentration of 1.2mol/L sodium hydroxide solutions of 50kg and impregnate 2h, soaking temperature is 70 DEG C, is filtered, dry, is added in
80kg concentration 70wt% ethanol solutions, 0.5kg1- (3- dimethylamino-propyls) -3- ethyl carbodiimide hydrochlorides, 1.5kgN- hydroxyls
Benzotriazole is uniformly mixed, and is subsequently added into 24kg xanthans stirring 4h, deionized water washing, and freeze-drying smashes and obtains Huang
Virgin rubber compound.
Embodiment 3
A kind of highly hygroscopic medical tissue acid fiber by polylactic, raw material include：Polylactic acid 65kg, xanthans compound
22kg, silane coupling agent 0.2kg, packing strengthening agent 11kg, polyethylene glycol 1.2kg, epoxidized soybean oil 1.7kg, oxidic polyethylene
Wax 1.4kg, colorant 1.7kg, lubricant 0.8kg, dispersant 1.8kg.
Packing strengthening agent includes：Flax fiber 3kg, expanded perlite 3kg, medical stone powder 2.5kg, zeolite powder 1.8kg.
Xanthans compound is prepared using following technique：21kg cocoanut fibers are dried into 35min, drying temperature is 108 DEG C,
It crushes, adds in a concentration of 0.9mol/L sodium hydroxide solutions of 65kg and impregnate 5h, soaking temperature is 64 DEG C, is filtered, dry, is added in
110kg concentration 64wt% ethanol solutions, 1.2kg1- (3- dimethylamino-propyls) -3- ethyl carbodiimide hydrochlorides, 1kgN- hydroxyls
Benzotriazole is uniformly mixed, and is subsequently added into 32kg xanthans stirring 2.5h, and deionized water washing is freeze-dried, and smashing obtains
Xanthans compound.
Embodiment 4
A kind of highly hygroscopic medical tissue acid fiber by polylactic, raw material include：Polylactic acid 75kg, xanthans compound
18kg, silane coupling agent 0.4kg, packing strengthening agent 9kg, polyethylene glycol 1.8kg, epoxidized soybean oil 1.3kg, oxidized polyethylene wax
1.6kg, colorant 1.3kg, lubricant 1kg, dispersant 1.2kg.
Packing strengthening agent includes：Flax fiber 5kg, expanded perlite 2kg, medical stone powder 3.5kg, zeolite powder 1.2kg.
Xanthans compound is prepared using following technique：23kg cocoanut fibers are dried into 25min, drying temperature is 112 DEG C,
It crushes, adds in a concentration of 1.1mol/L sodium hydroxide solutions of 55kg and impregnate 3h, soaking temperature is 66 DEG C, is filtered, dry, is added in
90kg concentration 66wt% ethanol solutions, 0.8kg1- (3- dimethylamino-propyls) -3- ethyl carbodiimide hydrochlorides, 1.2kgN- hydroxyls
Benzotriazole is uniformly mixed, and is subsequently added into 28kg xanthans stirring 3.5h, and deionized water washing is freeze-dried, and smashing obtains
Xanthans compound.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of highly hygroscopic medical tissue acid fiber by polylactic, which is characterized in that its raw material includes by weight：Polylactic acid
60-80 parts, 15-24 parts of xanthans compound, 0.1-0.5 parts of silane coupling agent, 8-12 parts of packing strengthening agent, polyethylene glycol 1-2
Part, 1-2 parts of epoxidized soybean oil, 1-2 parts of oxidized polyethylene wax, 1-2 parts of colorant, 0.5-1.2 parts of lubricant, 1-2 parts of dispersant.
2. highly hygroscopic medical tissue acid fiber by polylactic according to claim 1, which is characterized in that xanthans compound is adopted
It is prepared with following technique：Cocoanut fiber dry, pulverize, add in sodium hydroxide solution and impregnate, filter, it is dry, it is molten to add in ethyl alcohol
Liquid, 1- (3- dimethylamino-propyls) -3- ethyl carbodiimide hydrochlorides, N- hydroxy benzo triazoles are uniformly mixed, and are subsequently added into Huang
Virgin rubber stirs, and washs, and freeze-drying, smashing obtains xanthans compound.
3. highly hygroscopic medical tissue acid fiber by polylactic according to claim 2, which is characterized in that xanthans compound
In preparation process, cocoanut fiber is dried into 20-40min, drying temperature is 105-115 DEG C.
4. the highly hygroscopic medical tissue acid fiber by polylactic according to Claims 2 or 3, which is characterized in that xanthans is compound
In the preparation process of object, add in sodium hydroxide solution and impregnate 2-6h, soaking temperature is 60-70 DEG C.
5. according to any one of the claim 2-4 highly hygroscopic medical tissue acid fiber by polylactic, which is characterized in that xanthans
In the preparation process of compound, cocoanut fiber, sodium hydroxide solution, ethanol solution, 1- (3- dimethylamino-propyls) -3- ethyl carbon
Diimine hydrochloric acid, N- hydroxy benzo triazoles, xanthans weight ratio be 20-24：50-70：80-120：0.5-1.5：0.8-
1.5：24-35, concentration of sodium hydroxide solution 0.8-1.2mol/L, ethanol solution concentration 60-70wt%.
6. according to any one of the claim 1-5 highly hygroscopic medical tissue acid fiber by polylactic, which is characterized in that filling is mended
Strong agent includes by weight：2-6 parts of flax fiber, 1-4 parts of expanded perlite, 2-4 parts of medical stone powder, 1-2 parts of zeolite powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711403265.6A CN108129810A (en) | 2017-12-22 | 2017-12-22 | A kind of highly hygroscopic medical tissue acid fiber by polylactic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711403265.6A CN108129810A (en) | 2017-12-22 | 2017-12-22 | A kind of highly hygroscopic medical tissue acid fiber by polylactic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108129810A true CN108129810A (en) | 2018-06-08 |
Family
ID=62391493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711403265.6A Withdrawn CN108129810A (en) | 2017-12-22 | 2017-12-22 | A kind of highly hygroscopic medical tissue acid fiber by polylactic |
Country Status (1)
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| CN (1) | CN108129810A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1247552A (en) * | 1996-12-31 | 2000-03-15 | 金伯利-克拉克环球有限公司 | Multicomponent fiber |
| CN101914294A (en) * | 2010-08-26 | 2010-12-15 | 成都新柯力化工科技有限公司 | Paper-imitating biodegradable resin and preparation method |
| CN103502356A (en) * | 2011-03-31 | 2014-01-08 | 英美烟草(投资)有限公司 | Blends of a polylactic acid and a water soluble polymer |
-
2017
- 2017-12-22 CN CN201711403265.6A patent/CN108129810A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1247552A (en) * | 1996-12-31 | 2000-03-15 | 金伯利-克拉克环球有限公司 | Multicomponent fiber |
| CN101914294A (en) * | 2010-08-26 | 2010-12-15 | 成都新柯力化工科技有限公司 | Paper-imitating biodegradable resin and preparation method |
| CN103502356A (en) * | 2011-03-31 | 2014-01-08 | 英美烟草(投资)有限公司 | Blends of a polylactic acid and a water soluble polymer |
Non-Patent Citations (1)
| Title |
|---|
| PIZZOLI，A.P.P ET AL: ""The effect of gelatin amount on the properties of PLA/TPS/gelatin extruded sheets"", 《POLIMERROS》 * |
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Application publication date: 20180608 |