CN105504236A - Production process for polylactic acid bamboo charcoal slices - Google Patents
Production process for polylactic acid bamboo charcoal slices Download PDFInfo
- Publication number
- CN105504236A CN105504236A CN201610014589.XA CN201610014589A CN105504236A CN 105504236 A CN105504236 A CN 105504236A CN 201610014589 A CN201610014589 A CN 201610014589A CN 105504236 A CN105504236 A CN 105504236A
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- poly
- dynamic
- melt
- bamboo charcoal
- lactic acid
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/05—Filamentary, e.g. strands
-
- 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
- C08G63/78—Preparation processes
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- 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
-
- 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
- D01F6/92—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 polyesters
-
- 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
- C08K2201/011—Nanostructured additives
Abstract
The invention provides a production process for polylactic acid bamboo charcoal slices. The production process includes the following steps that 1, lactide and bamboo incense charcoal micro-powder are added to a stirring tank to be stirred; 2, a mixture of lactide and the bamboo incense charcoal micro-powder drops in a preliminary polymerization tank through a first pipeline to be preliminarily polymerized; 3, polylactic acid bamboo charcoal melt drops in a final polymerization tank through a second pipeline to be finally polymerized; 4, a third valve at the bottom of the final polymerization tank is switched on, the polylactic acid bamboo charcoal melt is extruded out of a spinneret plate and metered through a third metering pump, and the polylactic acid bamboo charcoal melt is cooled through water; 5, the polylactic acid bamboo charcoal melt is cooled through the water, solidified to normal temperature and then sliced. Polylactic acid is modified through the nano-scale bamboo incense charcoal micro-powder, the initial modulus of fibers produced through the production process is reduced, the moisture regain is increased, abrasion resistance is improved, and the breathability and hand feeling of the fibers are obviously improved.
Description
Technical field
The invention belongs to acid fiber by polylactic production technical field, be specifically related to a kind of poly(lactic acid) bamboo charcoal section production technique.
Background technology
Poly(lactic acid) (PLA) fiber is with amyloid agricultural-food such as corn, wheat, beets for raw material, and generate after lactic acid through fermentation, then make through polycondensation and melt-spinning, acid fiber by polylactic raw material sources are extensive.It can be analyzed to carbonic acid gas and water through microbial process in soil or seawater, during burning, can not distribute poison gas, can not pollute, and is a kind of ecological fiber of Sustainable development.Its fabric feel, drape are good, uvioresistant, have lower combustibility and excellent processing characteristics, are applicable to various fashionable dress, easy dress, sports goods and sanitary product etc., have broad application prospects.
Poly(lactic acid) (PLA) fiber has the plurality of advantages such as antibacterial, smooth, quick-drying, but it wears no resistance, and gets damp again lower, and the weaving face fabric using it to produce comparatively other chemical fibre textile fabric feel obviously hardens, and has a strong impact on result of use.In addition, because the transport pipe of poly(lactic acid) is longer, high polymer molten viscosity near tube wall is large especially, molecular weight of high polymer wider distribution (uneven) problem that polylactic acid melt causes because melt flow is uneven in course of conveying, thus has influence on spinning quality.
Summary of the invention
The present invention, in order to solve weak point of the prior art, provides that a kind of structure is simple, level of automation is high, high, the poly(lactic acid) bamboo charcoal that acid fiber by polylactic wear resistance is strong, moisture regain the is high section production technique produced of mixture homogeneity in course of conveying.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: poly(lactic acid) bamboo charcoal section production technique, comprises the following steps:
(1), by rac-Lactide and the fragrant charcoal micro mist of bamboo join in stirred pot and carry out stirring operation, wherein the weight of the fragrant charcoal micro mist of bamboo is 0.5 ~ 15% of the gross weight of the fragrant charcoal micro mist of rac-Lactide and bamboo, stirs 20 ~ 40min, until mix;
(2) the first valve bottom stirred pot, is opened, by the first volume pump the mixture of fragrant to rac-Lactide and bamboo charcoal micro mist dropped into through the first pipeline and just carry out preliminary polymerization operation in poly-tank, preliminary polymerization operation is temperature is 100 ~ 150 DEG C, the time of preliminary polymerization operation is 1 ~ 2h, pressure is 0.2MPa, after preliminary polymerization operation, the mixture of rac-Lactide and the fragrant charcoal micro mist of bamboo is aggregated into the poly(lactic acid) bamboo charcoal melt into thickness;
(3) the second valve of just poly-pot bottom, is opened, by the second volume pump poly(lactic acid) bamboo charcoal melt dropped into through second pipe and be eventually finally polymerized operation in poly-tank, final polymerization operation is temperature is 150 ~ 280 DEG C, and the time of final polymerization operation is 1 ~ 6h, and pressure is 0.3MPa;
(4) the 3rd valve of poly-pot bottom eventually, is opened, poly(lactic acid) bamboo charcoal melt eventually in poly-tank is discharged through the 3rd pipeline, 3rd pipeline is provided with duct type dynamic mixture device and the 3rd volume pump, 3rd volume pump is by poly(lactic acid) bamboo charcoal melt extrusion spinning jet and measure, and then carries out water-cooled to poly(lactic acid) bamboo charcoal melt;
(5), poly(lactic acid) bamboo charcoal melt water condensation carries out section operation after being affixed to normal temperature.
In step (1), the weight of the fragrant charcoal micro mist of bamboo is 2.5% of the gross weight of the fragrant charcoal micro mist of rac-Lactide and bamboo.
In step (5) section operation be carried out in the underwater of water coolant by dicing machine or after poly(lactic acid) bamboo charcoal melt cooling solidifies out into tape, carry out pelletizing by dicing machine.
Duct type dynamic mixture device comprises left restrained line, dynamic mixture pipeline and right restrained line, the left part of dynamic mixture pipeline and right part respectively with the right-hand member of left restrained line and the left end Flange joint of right restrained line, dynamic screw dividing plate is provided with in dynamic mixture pipeline, dynamic mixture pipe interior is in axial direction separated into the first semicircle helical channel and the second semicircle helical channel by dynamic screw dividing plate, dynamic screw dividing plate and dynamic mixture inner-walls of duct running fit;
The plane at the place, both ends of dynamic screw dividing plate is all perpendicular to the central axis of dynamic mixture pipeline, and center, dynamic screw dividing plate right part is provided with dynamic cone tank, and center, dynamic screw dividing plate left part is provided with dynamically top;
Be provided with right support in right restrained line, right support is provided with right stationary center, and right stationary center left end withstands in dynamic cone tank; Be provided with left socle in left restrained line, be provided with fixing cone tank on the right side of left socle, dynamic top left end withstands in fixing cone tank.
The quantity of described dynamic mixture pipeline is more than or equal to two sections, Flange joint between adjacent two sections of dynamic mixture pipelines, and the dynamic top left end of one section of dynamic mixture pipeline withstands in the dynamic cone tank of one section of adjacent dynamic mixture pipeline.
The length of left restrained line and/or right restrained line is less than the length of dynamic mixture pipeline.
In step (4), poly(lactic acid) bamboo charcoal melt through the detailed process of the 3rd pipeline is: the poly(lactic acid) bamboo charcoal melt after polymerization is entered by left restrained line, time the poly(lactic acid) bamboo charcoal melt of thickness is under high pressure by dynamic mixture pipeline, dynamic screw dividing plate starts to rotate under the promotion of melt, viscous melt on the inwall of dynamic mixture pipeline is scraped by the dynamic screw dividing plate rotated, rarer melt that obtains of the viscous melt scraped and dynamic mixture pipeline centre mixes, after some groups of dynamic mixture pipelines, uniform polylactic acid melt is discharged by the 3rd volume pump by right restrained line.
Adopt technique scheme, 3rd pipeline arranges duct type dynamic mixture device, there is following beneficial effect: due to the first semicircle helical channel and the second semicircle helical channel longer and all be in the axial direction the hand of spiral arrange, will, when pressurized melt is passed through, dynamic screw dividing plate be driven to rotate like this; The top form with the press-fit of cone tank top of the rotary material of dynamic screw dividing plate, be not only easy to manufacture and assembling, and frictional force is less in rotary course, thus improves the efficiency of dynamic screw dividing plate scraper.The length of left restrained line and/or right restrained line is less than the length of dynamic mixture pipeline, and most of length of the pipeline of whole conveying poly(lactic acid) can be made so all king-sized for the viscosity that tube wall adheres to poly(lactic acid) to be wiped off, fully improves the uniformity coefficient of mixing.
In sum, the present invention is reasonable in design, structure is simple, directly some groups of batch mixing unit are set in melt Conveying pipeline, eliminate, on transport pipe, Preblend system PBS is installed, having saved cost, having reached the object of melt even batch mixing when flowing through transport pipe, conveying and batch mixing efficiency improve greatly.Improve for making acid fiber by polylactic partial function and index, in poly-lactic acid material, add 0.5% ~ 15%(preferably 10%) the fragrant micropowder of nano level bamboo, modification is carried out to it, the fiber initial modulus making it make reduces, moisture regain rises, wear resistance improves, and the ventilation property of fiber and feel have and obviously improve.
Accompanying drawing explanation
Fig. 1 is process flow sheet of the present invention;
Fig. 2 is the structural representation of the duct type dynamic mixture device in Fig. 1 with one group of batch mixing unit;
Fig. 3 is the perspective view of dynamic screw dividing plate in Fig. 1.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, poly(lactic acid) bamboo charcoal section production technique of the present invention, comprises the following steps:
(1), by rac-Lactide and the fragrant charcoal micro mist of bamboo join in stirred pot 13 and carry out stirring operation, wherein the weight of the fragrant charcoal micro mist of bamboo is 0.5 ~ 15% of the gross weight of the fragrant charcoal micro mist of rac-Lactide and bamboo, stirs 20 ~ 40min, until mix;
(2) the first valve 14 bottom stirred pot 13, is opened, by the first volume pump the mixture of fragrant to rac-Lactide and bamboo charcoal micro mist dropped into through the first pipeline 15 and just carry out preliminary polymerization operation in poly-tank 16, preliminary polymerization operation is temperature is 100 ~ 150 DEG C, the time of preliminary polymerization operation is 1 ~ 2h, pressure is 0.2MPa, after preliminary polymerization operation, the mixture of rac-Lactide and the fragrant charcoal micro mist of bamboo is aggregated into the poly(lactic acid) bamboo charcoal melt into thickness;
(3) the second valve 17 just gathered bottom tank 16, is opened, by the second volume pump poly(lactic acid) bamboo charcoal melt dropped into through second pipe 18 and be eventually finally polymerized operation in poly-tank 19, final polymerization operation is temperature is 150 ~ 280 DEG C, the time of final polymerization operation is 1 ~ 6h, and pressure is 0.3MPa;
(4) the 3rd valve 20 gathered eventually bottom tank 19, is opened, poly(lactic acid) bamboo charcoal melt eventually in poly-tank 19 is discharged through the 3rd pipeline 21,3rd pipeline 21 is provided with duct type dynamic mixture device 22 and the 3rd volume pump 23,3rd volume pump 23 is by poly(lactic acid) bamboo charcoal melt extrusion spinning jet and measure, and then carries out water-cooled to poly(lactic acid) bamboo charcoal melt;
(5), poly(lactic acid) bamboo charcoal melt water condensation carries out section operation after being affixed to normal temperature.
In step (1), the weight of the fragrant charcoal micro mist of bamboo is 2.5% of the gross weight of the fragrant charcoal micro mist of rac-Lactide and bamboo.
In step (5) section operation be carried out in the underwater of water coolant by dicing machine or after poly(lactic acid) bamboo charcoal melt cooling solidifies out into tape, carry out pelletizing by dicing machine.
Duct type dynamic mixture device 22 comprises left restrained line 1, dynamic mixture pipeline 2 and right restrained line 3, the left part of dynamic mixture pipeline 2 and right part respectively with the right-hand member of left restrained line 1 and the left end Flange joint of right restrained line 3, dynamic screw dividing plate 4 is provided with in dynamic mixture pipeline 2, dynamic mixture pipeline 2 inside is in axial direction separated into the first semicircle helical channel 5 and the second semicircle helical channel 6 by dynamic screw dividing plate 4, dynamic screw dividing plate 4 and dynamic mixture pipeline 2 inwall running fit.
The plane at the place, both ends of dynamic screw dividing plate 4 is all perpendicular to the central axis of dynamic mixture pipeline 2, and center, dynamic screw dividing plate 4 right part is provided with dynamic cone tank 7, and center, dynamic screw dividing plate 4 left part is provided with dynamically top 8.
Be provided with right support 9 in right restrained line 3, right support 9 is provided with right stationary center 10, and right stationary center 10 left end withstands in dynamic cone tank 7; Be provided with left socle 11 in left restrained line 1, be provided with fixing cone tank 12 on the right side of left socle 11, dynamically top 8 left ends withstand in fixing cone tank 12.
The quantity of dynamic mixture pipeline 2 is more than or equal to two sections, Flange joint between adjacent two sections of dynamic mixture pipelines 2, and dynamically top 8 left ends of one section of dynamic mixture pipeline 2 withstand in the dynamic cone tank 7 of one section of adjacent dynamic mixture pipeline 2.
In step (4), poly(lactic acid) bamboo charcoal melt through the detailed process of the 3rd pipeline 21 is: the poly(lactic acid) bamboo charcoal melt after polymerization is entered by left restrained line 1, when the melt of thickness under high pressure passes through dynamic mixture pipeline 2 time, dynamic screw dividing plate 4 starts to rotate under the promotion of melt, viscous melt on the inwall of dynamic mixture pipeline 2 is scraped by the dynamic screw dividing plate 4 rotated, rarer melt that obtains of the viscous melt scraped and dynamic mixture pipeline 2 centre mixes, after some groups of dynamic mixture pipelines 2, uniform polylactic acid melt enters the 3rd volume pump 23 by right restrained line 3.
Due to the first semicircle helical channel 5 and the second semicircle helical channel 6 longer and be that the hand of spiral is arranged all in the axial direction, like this will pressurized melt by time, drive dynamic screw dividing plate 4 to rotate; The top form with the press-fit of cone tank top of the rotary material of dynamic screw dividing plate 4, be not only easy to manufacture and assembling, and frictional force is less in rotary course, thus improves the efficiency of dynamic screw dividing plate 4 scraper.The length of left restrained line 1 and/or right restrained line 3 is less than the length of dynamic mixture pipeline 2, most of length of the pipeline of whole conveying poly(lactic acid) can be made so all king-sized for the viscosity that tube wall adheres to poly(lactic acid) to be wiped off, fully improve the uniformity coefficient of mixing.
Above embodiment is the unrestricted technical scheme of the present invention in order to explanation only, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: still can modify to the present invention or equivalent replacement, and not departing from any modification or partial replacement of the spirit and scope of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (7)
1. poly(lactic acid) bamboo charcoal section production technique, is characterized in that: comprise the following steps:
(1), by rac-Lactide and the fragrant charcoal micro mist of bamboo join in stirred pot and carry out stirring operation, wherein the weight of the fragrant charcoal micro mist of bamboo is 0.5 ~ 15% of the gross weight of the fragrant charcoal micro mist of rac-Lactide and bamboo, stirs 20 ~ 40min, until mix;
(2) the first valve bottom stirred pot, is opened, by the first volume pump the mixture of fragrant to rac-Lactide and bamboo charcoal micro mist dropped into through the first pipeline and just carry out preliminary polymerization operation in poly-tank, preliminary polymerization operation is temperature is 100 ~ 150 DEG C, the time of preliminary polymerization operation is 1 ~ 2h, pressure is 0.2MPa, after preliminary polymerization operation, the mixture of rac-Lactide and the fragrant charcoal micro mist of bamboo is aggregated into the poly(lactic acid) bamboo charcoal melt into thickness;
(3) the second valve of just poly-pot bottom, is opened, by the second volume pump poly(lactic acid) bamboo charcoal melt dropped into through second pipe and be eventually finally polymerized operation in poly-tank, final polymerization operation is temperature is 150 ~ 280 DEG C, and the time of final polymerization operation is 1 ~ 6h, and pressure is 0.3MPa;
(4) the 3rd valve of poly-pot bottom eventually, is opened, poly(lactic acid) bamboo charcoal melt eventually in poly-tank is discharged through the 3rd pipeline, 3rd pipeline is provided with duct type dynamic mixture device and the 3rd volume pump, 3rd volume pump is by poly(lactic acid) bamboo charcoal melt extrusion spinning jet and measure, and then carries out water-cooled to poly(lactic acid) bamboo charcoal melt;
(5), poly(lactic acid) bamboo charcoal melt water condensation carries out section operation after being affixed to normal temperature.
2. poly(lactic acid) bamboo charcoal section production technique according to claim 1, is characterized in that: in step (1), the weight of the fragrant charcoal micro mist of bamboo is 2.5% of the gross weight of the fragrant charcoal micro mist of rac-Lactide and bamboo.
3. poly(lactic acid) bamboo charcoal according to claim 1 and 2 section production technique, is characterized in that: in step (5) section operation be carried out in the underwater of water coolant by dicing machine or after poly(lactic acid) bamboo charcoal melt cooling solidifies out into tape, carry out pelletizing by dicing machine.
4. poly(lactic acid) bamboo charcoal section production technique according to claim 1 and 2, it is characterized in that: duct type dynamic mixture device comprises left restrained line, dynamic mixture pipeline and right restrained line, the left part of dynamic mixture pipeline and right part respectively with the right-hand member of left restrained line and the left end Flange joint of right restrained line, dynamic screw dividing plate is provided with in dynamic mixture pipeline, dynamic mixture pipe interior is in axial direction separated into the first semicircle helical channel and the second semicircle helical channel by dynamic screw dividing plate, dynamic screw dividing plate and dynamic mixture inner-walls of duct running fit,
The plane at the place, both ends of dynamic screw dividing plate is all perpendicular to the central axis of dynamic mixture pipeline, and center, dynamic screw dividing plate right part is provided with dynamic cone tank, and center, dynamic screw dividing plate left part is provided with dynamically top;
Be provided with right support in right restrained line, right support is provided with right stationary center, and right stationary center left end withstands in dynamic cone tank; Be provided with left socle in left restrained line, be provided with fixing cone tank on the right side of left socle, dynamic top left end withstands in fixing cone tank.
5. poly(lactic acid) bamboo charcoal section production technique according to claim 4, it is characterized in that: the quantity of described dynamic mixture pipeline is more than or equal to two sections, Flange joint between adjacent two sections of dynamic mixture pipelines, the dynamic top left end of one section of dynamic mixture pipeline withstands in the dynamic cone tank of one section of adjacent dynamic mixture pipeline.
6. poly(lactic acid) bamboo charcoal section production technique according to claim 5, is characterized in that: the length of left restrained line and/or right restrained line is less than the length of dynamic mixture pipeline.
7. poly(lactic acid) bamboo charcoal section production technique according to claim 6, it is characterized in that: in step (4), poly(lactic acid) bamboo charcoal melt through the detailed process of the 3rd pipeline is: the poly(lactic acid) bamboo charcoal melt after polymerization is entered by left restrained line, time the poly(lactic acid) bamboo charcoal melt of thickness is under high pressure by dynamic mixture pipeline, dynamic screw dividing plate starts to rotate under the promotion of melt, viscous melt on the inwall of dynamic mixture pipeline is scraped by the dynamic screw dividing plate rotated, rarer melt that obtains of the viscous melt scraped and dynamic mixture pipeline centre mixes, after some groups of dynamic mixture pipelines, uniform polylactic acid melt is discharged by the 3rd volume pump by right restrained line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610014589.XA CN105504236B (en) | 2016-01-11 | 2016-01-11 | Polylactic acid bamboo charcoal is sliced production technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610014589.XA CN105504236B (en) | 2016-01-11 | 2016-01-11 | Polylactic acid bamboo charcoal is sliced production technology |
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| CN105504236A true CN105504236A (en) | 2016-04-20 |
| CN105504236B CN105504236B (en) | 2018-06-26 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101307510A (en) * | 2007-05-18 | 2008-11-19 | 上海德福伦化纤有限公司 | Process for preparing bamboo charcoal fiber |
| CN101311390A (en) * | 2008-06-11 | 2008-11-26 | 浙江恒逸集团有限公司 | Production process of bamboo charcoal polyester fibres |
| CN101857981A (en) * | 2010-04-20 | 2010-10-13 | 安徽省和胜新材料科技有限公司 | Process for producing nanometer bamboo carbon fiber by adopting polylactic acid group |
| CN103014908A (en) * | 2012-11-30 | 2013-04-03 | 吴江市超维纺织有限公司 | Process for producing bamboo charcoal polyester composite fibers |
| CN103044664A (en) * | 2012-12-26 | 2013-04-17 | 河北工业大学 | Method for preparing polylactide/nanodiamond composite material through lactide ring opening polymerization |
| CN204138830U (en) * | 2014-10-14 | 2015-02-04 | 河南省龙都生物科技有限公司 | Melt pipe dislocation docking unit blender |
-
2016
- 2016-01-11 CN CN201610014589.XA patent/CN105504236B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101307510A (en) * | 2007-05-18 | 2008-11-19 | 上海德福伦化纤有限公司 | Process for preparing bamboo charcoal fiber |
| CN101311390A (en) * | 2008-06-11 | 2008-11-26 | 浙江恒逸集团有限公司 | Production process of bamboo charcoal polyester fibres |
| CN101857981A (en) * | 2010-04-20 | 2010-10-13 | 安徽省和胜新材料科技有限公司 | Process for producing nanometer bamboo carbon fiber by adopting polylactic acid group |
| CN103014908A (en) * | 2012-11-30 | 2013-04-03 | 吴江市超维纺织有限公司 | Process for producing bamboo charcoal polyester composite fibers |
| CN103044664A (en) * | 2012-12-26 | 2013-04-17 | 河北工业大学 | Method for preparing polylactide/nanodiamond composite material through lactide ring opening polymerization |
| CN204138830U (en) * | 2014-10-14 | 2015-02-04 | 河南省龙都生物科技有限公司 | Melt pipe dislocation docking unit blender |
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