CN105440621A - PLA noctilucence master batch and preparation method thereof - Google Patents
PLA noctilucence master batch and preparation method thereof Download PDFInfo
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- CN105440621A CN105440621A CN201610029921.XA CN201610029921A CN105440621A CN 105440621 A CN105440621 A CN 105440621A CN 201610029921 A CN201610029921 A CN 201610029921A CN 105440621 A CN105440621 A CN 105440621A
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- 239000004594 Masterbatch (MB) Substances 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 58
- -1 polyethylene Polymers 0.000 claims abstract description 51
- 239000000843 powder Substances 0.000 claims abstract description 39
- 239000004698 Polyethylene Substances 0.000 claims abstract description 20
- 229920000573 polyethylene Polymers 0.000 claims abstract description 20
- 238000002156 mixing Methods 0.000 claims abstract description 19
- 238000001125 extrusion Methods 0.000 claims abstract description 12
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 239000012752 auxiliary agent Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000005304 joining Methods 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 238000005453 pelletization Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 229920003023 plastic Polymers 0.000 abstract description 7
- 239000004033 plastic Substances 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 230000000630 rising effect Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000002861 polymer material Substances 0.000 abstract description 2
- 239000004626 polylactic acid Substances 0.000 abstract 7
- 238000005299 abrasion Methods 0.000 abstract 2
- 238000003754 machining Methods 0.000 abstract 2
- 238000005253 cladding Methods 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 11
- 238000012545 processing Methods 0.000 description 6
- 239000013538 functional additive Substances 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 208000034530 PLAA-associated neurodevelopmental disease Diseases 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000007704 transition Effects 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
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the technical field of a high polymer material, in particular to a PLA noctilucence master batch and a preparation method thereof. The PLA noctilucence master batch is prepared from following components in percent by mass: 50-60% of polylactic acid, 5-10% of auxiliaries, 30-40% of noctilucence powder, wherein the auxiliaries are polyethylene wax and/or zinc stearate; the weight-average molecular weight of the polylactic acid is 50,000-100,000. Compared with the prior art, by improving process conditions of extrusion through a single screw rod, reduction of an extruding rate, rising of a machining temperature, low speed mixing of a plastic cylinder and the like, abrasion to the machine caused by the noctilucence powder in a production process is reduced, and a blackening phenomenon of the noctilucence powder is avoided; the machining temperature is increased, so a cladding property of a melt for the noctilucence powder is improved, and the PLA noctilucence master batch with high noctilucence powder concentration can be produced; the PLA noctilucence master batch has the advantages of durable light emitting, large molecular weight of the PLA, small abrasion to the machine, uniform dispersion, wide applicable range and the like.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of PLA noctilucence master batch and preparation method thereof.
Background technology
Poly(lactic acid) (PLA) is a kind of novel biodegradable material, and its mechanical property and physicals well, have good glossiness and transparency, have good tensile strength and extensibility simultaneously.PLA is applicable to the various working method such as blowing, thermoplastic, easy to process, and application is very extensive, consistency and degradability good.In recent years, along with the development of functional agglomerate technology, the development of noctilucence master batch is also very fast.But existing noctilucence master batch is owing to existing many defects, cause use limited.Because the hardness of luminescent powder particle is comparatively large, fusing point is high, in melting mixing process, luminescent powder rubs to screw rod and machine intimate, easily occurs iron filings, causes metallic pollution, makes master batch turning black and changing color, larger to the degree of wear of screw rod.Noctilucence master batch in use has certain requirement to matrix color simultaneously, the illumination effect of saturate matrix resin to noctilucence master batch creates covering, make the luminosity of noctilucence product little, fluorescent lifetime is short, and current matrix resin generally has polyethylene, polypropylene, polystyrene etc.In PLA noctilucence master batch, the concentration of noctilucence composition is lower, generally only between 10%-30%.The second-order transition temperature of PLA is about 60 DEG C, is vitreous state, easily produces degraded under amorphous portion normal temperature, therefore can only produce the lower PLA noctilucence master batch of molecular weight.
Summary of the invention
The present invention solves turning black and changing color, fluorescent lifetime is short, luminescent powder content the is low problem in process of production of noctilucence master batch in prior art, provide a kind of PLA noctilucence master batch and preparation method thereof, this noctilucence master batch long-acting illuminating, little to wear and tear in machines, applied widely.
The present invention is achieved in that a kind of PLA noctilucence master batch, and its component by mass percent proportioning is:
Poly(lactic acid) 50%-65%
Auxiliary agent 5%-10%
Luminescent powder 30%-40%
Described auxiliary agent is polyethylene wax and/or Zinic stearas;
The weight-average molecular weight of described poly(lactic acid) is 50000-100000.
Instant invention overcomes the technology prejudice of this area, adopt the high PLA of molecular weight to prepare noctilucence master batch as the luminescent powder of matrix resin and high-content.Its luminescent powder content of the noctilucence master batch prepared in prior art is all not high, limit by production technique, owing to containing more metallics in luminescent powder, metallics hardness is larger, heat absorption coefficient is larger, when noctilucence powder content increases, the friction probability of metallics and machine inwall increases, and causes blackening phenomena serious.Meanwhile, the PLA of higher molecular weight prepares in noctilucence master batch, processes more difficult, and meeting as too high in processing temperature causes melt flow rate (MFR) too fast.
The present invention adopt high molecular PLA and 30-40wt% luminescent powder blended, in mixing process, along with the increase of luminescent powder content, its heat absorption coefficient is comparatively large, at same production temperature, and mixing time one timing, the actual temperature of melt has certain rising, there is provided convenient to the processing of high molecular PLA, the production temperature of such as master batch is 150-170 DEG C, and when practice, the processing temperature of PLA can more than 190 DEG C.Contriver finds when the weight-average molecular weight of poly(lactic acid) is 50000-100000, can obtain best noctilucence master batch.Described poly(lactic acid), fusing point is 175 DEG C-185 DEG C, and density is 1.20-1.30kg/L, and feature viscosity number IV is 0.2-8dl/g.
Described auxiliary agent can be the mixture of polyethylene wax, Zinic stearas or polyethylene wax and Zinic stearas, and when for polyethylene wax and Zinic stearas mixture, the mass ratio of polyethylene wax and Zinic stearas is 4:1.
For reaching better effect, the fusing point of polyethylene wax of the present invention is 100-106 DEG C, and molecular weight is 3000-5000.
Further, described luminescent powder is luminescent powder Y-8D.The granular size of luminescent powder directly affects the dispersiveness of luminescent powder particle in matrix resin, and particle is less, and dispersiveness is better and can reduce friction, and when luminescent powder order number is more than 800 orders, its performance is best.
For reaching some specific functions, the present invention can also improve other performances of master batch by adding functional additive, as static inhibitor, fire retardant, brightener, antiseptic-germicide, antioxidant etc.
The present invention asks the preparation method protecting above-mentioned PLA noctilucence master batch simultaneously.
The method comprises the following steps: take each component by weight ratio and join low speed batch mixing in barrel, after mixing, joining rotating speed is in 80 ~ 250r/min forcing machine, at 170-230 DEG C of temperature after melting mixing extruding pelletization, then drying is carried out, packaging, obtains PLA noctilucence master batch.
Described barrel can be any one barrel for splendid attire raw material well known in the art, as plastics barrel, machine is caused to the phenomenon wearing and tearing and then make luminescent powder blackening for reducing noctilucence particle in production process, adopt barrel low speed batch mixing, the technique a large amount of through contriver is groped, and the rotating speed of low speed batch mixing is 60r/min.
On expressing technique, the present invention does not select this area to widely use twin screw extruder or multiple screw extruder is extruded, but select single screw extrusion machine to extrude with lower rotating speed 80 ~ 250r/min, because Single screw extrusion and low rate of extrusion can reduce the shearing force in extrusion, the metallic pollution that luminescent powder produces in melting mixing process can be avoided.For reaching better effect, forcing machine rotating speed is 100 ~ 200r/min.
Compared with prior art, the invention has the beneficial effects as follows: by Single screw extrusion, the improvement reducing rate of extrusion, processing condition such as rising processing temperature and plastics barrel low speed batch mixing etc., reduce luminescent powder in production process, to the wearing and tearing of machine, to avoid producing luminescent powder blackening phenomena; Raise processing temperature, improve melt to the coated ability of luminescent powder, produce the PLA noctilucence master batch that luminescent powder concentration is high; PLA noctilucence master batch of the present invention has that noctilucence phase concentration is high, long-acting illuminating, PLA molecular weight are large, little to wear and tear in machines, be uniformly dispersed and the advantage such as applied widely.
Embodiment
Further illustrate technical scheme of the present invention below in conjunction with specific embodiment, following embodiment is not used in and limits the scope of the invention, and if no special instructions, chemicals involved in the present invention or raw material can chemically company obtain.The preferred luminescent powder Y-8D of described luminescent powder is purchased from Zhongbang, Chemical Industry Co., Ltd., Dalian.
embodiment 1
A kind of PLA noctilucence master batch, its component by mass percent proportioning is:
Poly(lactic acid) 50%, polyethylene wax 6%, Zinic stearas 1.5%, luminescent powder 40%, functional additive surplus.Its preparation method is as follows:
Take each component by weight ratio, first poly(lactic acid) and luminescent powder are joined in plastics barrel, then mixture (mass ratio 4:1), the functional additive of polyethylene wax and Zinic stearas is added, in rotating speed 60r/min low speed mixer, mix 3 minutes, to be mixed evenly after, joining screw speed is in 100r/min single screw extrusion machine, at 170 DEG C of-230 DEG C of temperature after melting mixing extruding pelletization, then carry out drying, packaging, obtains PLA noctilucence master batch.
embodiment 2
A kind of PLA noctilucence master batch, its component by mass percent proportioning is:
Poly(lactic acid) 65%, polyethylene wax 4%, Zinic stearas 1%, luminescent powder 30%.
Its preparation method is as follows:
Take each component by weight ratio, first poly(lactic acid) and luminescent powder are joined in plastics barrel, then 4:1 adds the mixture of polyethylene wax and Zinic stearas in proportion, in rotating speed 60r/min low speed mixer, mix 3 minutes, to be mixed evenly after, joining screw speed is in 150r/min single screw extrusion machine, at 200 DEG C of temperature after melting mixing extruding pelletization, then carry out drying, packaging, obtains PLA noctilucence master batch.
embodiment 3
A kind of PLA noctilucence master batch, its component by mass percent proportioning is:
Poly(lactic acid) 55%, polyethylene wax 8%, Zinic stearas 2%, luminescent powder 35%.
Its preparation method is as follows:
Take each component by weight ratio, first poly(lactic acid) and luminescent powder are joined in plastics barrel, then 4:1 adds the mixture of polyethylene wax and Zinic stearas in proportion, in rotating speed 60r/min low speed mixer, mix 3 minutes, to be mixed evenly after, joining screw speed is in 120r/min single screw extrusion machine, at 170 DEG C of DEG C of temperature after melting mixing extruding pelletization, then carry out drying, packaging, obtains PLA noctilucence master batch.
embodiment 4
A kind of PLA noctilucence master batch, its component by mass percent proportioning is:
Poly(lactic acid) 55%, polyethylene wax 6%, Zinic stearas 1.5%, luminescent powder 35%, functional additive surplus.Its preparation method is as follows:
Take each component by weight ratio, first poly(lactic acid) and luminescent powder are joined in plastics barrel, then mixture (mass ratio 4:1), the functional additive of polyethylene wax and Zinic stearas is added, in rotating speed 60r/min low speed mixer, mix 3 minutes, to be mixed evenly after, joining screw speed is in 120r/min single screw extrusion machine, at 230 DEG C of temperature after melting mixing extruding pelletization, then carry out drying, packaging, obtains PLA noctilucence master batch.
The performance test of table 1 PLA noctilucence of the present invention master batch
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (8)
1. a PLA noctilucence master batch, is characterized in that, its component by mass percent proportioning is:
Poly(lactic acid) 50%-65%
Auxiliary agent 5%-10%
Luminescent powder 30%-40%
Described auxiliary agent is polyethylene wax and/or Zinic stearas;
The weight-average molecular weight of described poly(lactic acid) is 50000-100000.
2. PLA noctilucence master batch according to claim 1, is characterized in that, described auxiliary agent be polyethylene wax and Zinic stearas time, the mass ratio of polyethylene wax and Zinic stearas is 4:1.
3. PLA noctilucence master batch according to claim 1, is characterized in that, the fusing point of described polyethylene wax is 100-106 DEG C, and molecular weight is 3000-5000.
4. PLA noctilucence master batch according to claim 1, is characterized in that, described luminescent powder is luminescent powder Y-8D.
5. the preparation method of a PLA noctilucence master batch as claimed in claim 1, it is characterized in that, comprise the following steps: take each component by weight proportion described in claim 1 and join low speed batch mixing in barrel, after mixing, joining rotating speed is in 80 ~ 250r/min forcing machine, at 170-230 DEG C of temperature after melting mixing extruding pelletization, then carry out drying, packaging, obtains PLA noctilucence master batch.
6. the preparation method of PLA noctilucence master batch according to claim 5, is characterized in that, the rotating speed of low speed batch mixing is 60r/min.
7. the preparation method of PLA noctilucence master batch according to claim 5, is characterized in that, described forcing machine is single screw extrusion machine.
8. the preparation method of PLA noctilucence master batch according to claim 5, is characterized in that, forcing machine rotating speed is 100 ~ 200r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610029921.XA CN105440621B (en) | 2016-01-15 | 2016-01-15 | PLA noctilucence master batch and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610029921.XA CN105440621B (en) | 2016-01-15 | 2016-01-15 | PLA noctilucence master batch and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105440621A true CN105440621A (en) | 2016-03-30 |
| CN105440621B CN105440621B (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610029921.XA Active CN105440621B (en) | 2016-01-15 | 2016-01-15 | PLA noctilucence master batch and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110724384A (en) * | 2019-11-06 | 2020-01-24 | 佛山市钜亮光学材料有限公司 | Multipurpose noctilucent powder particle and preparation method thereof |
| CN111269540A (en) * | 2020-03-22 | 2020-06-12 | 宿迁联盛科技股份有限公司 | Special high-concentration flame-retardant master batch for polylactic acid and preparation method thereof |
| CN114634637A (en) * | 2022-03-02 | 2022-06-17 | 江苏普莱克红梅色母料股份有限公司 | Luminous masterbatch for polypropylene non-woven fabric and its preparation method and application |
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| US20080248220A1 (en) * | 2003-09-12 | 2008-10-09 | Sumitomo Chemical Company,Limited | Light-Emitting Material and Light-Emitting Device Using the Same |
| EP2082890A1 (en) * | 2008-01-25 | 2009-07-29 | The Procter and Gamble Company | Thermoplastic material comprising polychromic substances |
| CN104530597A (en) * | 2014-12-24 | 2015-04-22 | 浙江理工大学 | Biodegradable pearlescent pen shell and preparation method thereof |
| CN104861603A (en) * | 2015-05-29 | 2015-08-26 | 江苏浩宇电子科技有限公司 | 3D printing material with mosquito-repellent and noctilucent effects as well as application |
-
2016
- 2016-01-15 CN CN201610029921.XA patent/CN105440621B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080248220A1 (en) * | 2003-09-12 | 2008-10-09 | Sumitomo Chemical Company,Limited | Light-Emitting Material and Light-Emitting Device Using the Same |
| EP2082890A1 (en) * | 2008-01-25 | 2009-07-29 | The Procter and Gamble Company | Thermoplastic material comprising polychromic substances |
| CN104530597A (en) * | 2014-12-24 | 2015-04-22 | 浙江理工大学 | Biodegradable pearlescent pen shell and preparation method thereof |
| CN104861603A (en) * | 2015-05-29 | 2015-08-26 | 江苏浩宇电子科技有限公司 | 3D printing material with mosquito-repellent and noctilucent effects as well as application |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110724384A (en) * | 2019-11-06 | 2020-01-24 | 佛山市钜亮光学材料有限公司 | Multipurpose noctilucent powder particle and preparation method thereof |
| CN111269540A (en) * | 2020-03-22 | 2020-06-12 | 宿迁联盛科技股份有限公司 | Special high-concentration flame-retardant master batch for polylactic acid and preparation method thereof |
| CN114634637A (en) * | 2022-03-02 | 2022-06-17 | 江苏普莱克红梅色母料股份有限公司 | Luminous masterbatch for polypropylene non-woven fabric and its preparation method and application |
| CN114634637B (en) * | 2022-03-02 | 2024-01-30 | 江苏普莱克红梅色母料股份有限公司 | Luminous masterbatch for polypropylene non-woven fabrics and its preparation method and application |
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| CN105440621B (en) | 2017-05-03 |
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