CN105400154A - Biodegradable plastic color masterbatch and preparation method thereof - Google Patents
Biodegradable plastic color masterbatch and preparation method thereof Download PDFInfo
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/34—Silicon-containing compounds
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- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C08K2003/2241—Titanium dioxide
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- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C08L2201/06—Biodegradable
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- C08L2310/00—Masterbatches
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Abstract
The invention discloses biodegradable plastic color masterbatch and a preparation method thereof. The biodegradable plastic color masterbatch is prepared from, by weight, 60%-85% of biodegradable plastic carriers, 0-15% of filler, 5%-25% of pigment and 2%-9% of auxiliaries, all the components are weighed and added into a mixer, after even mixing is conducted, the mixed components are added into a screw extruder, melt extrusion is conducted, cooling and granulating are conducted, and the biodegradable plastic color masterbatch is obtained, wherein the biodegradable plastic carriers are one or two or more of polylactic acid, poly adipate-butylene terephthalate and poly butylenes succinate, the filler is silicon dioxide and/or calcium carbonate, the pigment is inorganic pigment or organic pigment, and the auxiliaries are composed of a coupling agent, a plasticizer and a lubricating agent. The prepared color masterbatch is excellent in physicochemical property, the situation that nondegradable plastic components are mixed in biodegradable plastics is avoided, and the problems that time and labor of coloring of the biodegradable plastics are consumed, and the pigment affects the biodegradable plastic performance are solved.
Description
Technical field
The invention belongs to chemical field, be specifically related to a kind of biodegradable plastic Masterbatch and preparation method thereof.
Background technology
Along with the development of plastics industry, the demand of plastics also rolls up thereupon.Because plastics are not easy recovery, its waste also becomes Harmful Waste, pollutes environment.
Biodegradable plastic, owing to having good degradation property, can be widely used in all trades and professions.When plastics are painted by pigment toner, pigment is generally powdery, easily flies upward, will affect the health of operator, and be unfavorable for the cleaning of environment by human body after being sucked when adding and mix; User is painted to bio-based degradative plastics by toner, wastes time and energy, uneven color, and causes material property to decline.
Masterbatch is a kind of coloring plastic product of the exploitation sixties in 20th century, and it is mixture pigment super quantity being attached to uniformly polymkeric substance obtained in resin, has advantage that is easy to use, color stability.But, also there is no biodegradable plastic Masterbatch at present.Use the Masterbatch of common non-degradable plastics painted, biodegradable plastic is mixed into non-degradable plastic components, bring degradation and can not be degradable hidden danger.
Learn according to related data, the average annual growth rate of demand about 15% of whole world biodegradable plastic, China will become the fastest-rising market of biodegradable plastic demand, also grow more multicoloured demand, need to meet needed for consumer market by adding biodegradable plastic Masterbatch, following Masterbatch will towards multifunction, high color content and high technology content future development.
Summary of the invention
The object of the present invention is to provide a kind of biodegradable plastic Masterbatch and preparation method thereof, by being added to by pigment in biodegradable raw material, on the basis not affecting raw material physicals, realizing superior consistency and work-ing life.
For achieving the above object, the technical scheme taked of the present invention is as follows:
A kind of biodegradable plastic Masterbatch, by weight percentage, composed of the following components: biodegradable plastic carrier 60 ~ 85%, filler 0 ~ 15%, pigment 5 ~ 25%, auxiliary agent 2 ~ 9%;
Wherein, described biodegradable plastic carrier is one or more in poly(lactic acid) (PLA), poly-hexanodioic acid/butylene terephthalate (PBAT) and poly butylene succinate (PBS).
Preferably, described filler is silicon-dioxide (SiO
2) and/or calcium carbonate (CaCO
3), described pigment is mineral dye or pigment dyestuff, and described auxiliary agent is made up of coupling agent, softening agent and lubricant, and the weight percent that coupling agent, softening agent and lubricant account for auxiliary agent is respectively 30% ~ 35%.
Preferably, described coupling agent is silane coupling agent; Described softening agent is diethylene glycol adipate and/or glycerine; Described lubricant is amine hydroxybenzene or erucicamide.
Preferably, the shape of described biodegradable plastic Masterbatch is column.
The preparation method of above-mentioned biodegradable plastic Masterbatch, comprises the following steps:
(1) each component measured by weight percentage is added in blender, be mixed to evenly, obtain mixture;
(2) add in screw extrusion press by the mixture of step (1) gained, through melt extruding, cooling and dicing, to obtain final product.
Preferably, described in step (1), the rotating speed of blender is 600 ~ 1000 revs/min, and temperature, not higher than 50 DEG C, is uniformly mixed 10 ~ 30 minutes.
Preferably, described in step (2), screw extrusion press is twin screw extruder, and the length-to-diameter ratio of twin screw extruder is 37:1 ~ 50:1, and rotating speed is 300 ~ 450 revs/min.
Further, described twin screw extruder is divided into five districts from feed end to discharge end, temperature set gradually into: the first 90 DEG C, district ± 5 DEG C, the second 110 DEG C, district ~ 130 DEG C, the 3rd 150 DEG C, district ~ 170 DEG C, the 4th district and the 5th district are 160 DEG C ~ 185 DEG C.
Preferably, cooling and dicing described in step (2) adopts air-cooled fervent granulation.
Described biodegradable plastic carrier is common commercially available prod; The particle diameter of described filler is micron order; Described pigment is pigment dyestuff or the mineral dye of environment-protecting asepsis, and wherein, conventional pigment dyestuff comprises permanent bordeaux, phthalocyanine blue, phthalocyanine green, everbright fast red, permanent yellow, large purple etc., and conventional mineral dye comprises rutile titanium white powder, carbon black, ultramarine etc.; The color of described biological degradation Masterbatch has bright red, orange, yellow, green, sky blue, purple, grey, black, white etc., and can be re-dubbed various PMS color; Described auxiliary agent is common commercially available prod, plays the effect strengthening bounding force, lubrication and increase hardness.
The present invention is carrier with biodegradable plastic, adds paint, filler and auxiliary agent, extrudes through twin screw extruder, obtained biodegradable plastic Masterbatch, and its pigment-dispersing is excellent, and has good matching with biodegradable plastic; Because pigment and air, moisture are isolated by biodegradable plastic carrier, be conducive to the chemical stability keeping pigment; The granularity of Masterbatch and resin to be colored is close, accurately more convenient in metering, can not adhere on container during mixing, also more even with mixing of resin to be colored, therefore ensure that the stable of Masterbatch addition, thus ensure that the stable of different batches goods color; When Masterbatch is painted, dust can not be produced; Protect the health of operator and the clean of environment.
In a word, the Masterbatch physical and chemical performance that the present invention obtains is excellent, replace the use of non-degradable plastic color master grain, avoid in biodegradable plastic and be mixed into nondegradable plastic components, solve painted the wasting time and energy of biodegradable plastic granulation, and pigment is on problems such as the impacts of biodegradable plastic performance, can be widely used in conventional plastic complete processing, as injection moulding, blowing, blown film, sheet material etc.
embodiment 1
The biodegradable plastic Masterbatch that white column, PBAT are special, is made up of following components based on weight percentage amount: PBAT:70%, micron order SiO
2: 6%, rutile titanium white powder pigment: 20%, silane coupling agent: 1.25%, diethylene glycol adipate: 1.35%, amine hydroxybenzene: 1.4%;
The preparation method of above-mentioned biodegradable plastic Masterbatch, comprises the following steps:
(1) add in high speed blender by each component measured by weight percentage, the rotating speed of blender is 700 revs/min, and temperature, not higher than 50 DEG C, is uniformly mixed 20 minutes to evenly, obtains mixture;
(2) add in twin screw extruder by the mixture of step (1) gained, through melt extruding, air-cooled fervent granulation, to obtain final product.
Wherein, PBAT is the common commercially available prod of BASF AG; The length-to-diameter ratio of twin screw extruder is 42:1, and rotating speed is 400 revs/min; Twin screw extruder is evenly divided into five districts from feed end to discharge end, and temperature sets gradually as the first 90 DEG C, district, the second 110 DEG C, district, the 3rd 150 DEG C, district, the 4th 160 DEG C, district, the 5th 160 DEG C, district.
embodiment 2
The biodegradable plastic Masterbatch that yellow column, PLA are special, is made up of following components based on weight percentage amount: PLA:65%, micron order SiO
2: 10%, permanent yellow pigment: 19%, silane coupling agent: 2%, diethylene glycol adipate: 2%, amine hydroxybenzene: 2%;
The preparation method of above-mentioned biodegradable plastic Masterbatch, comprises the following steps:
(1) add in high speed blender by each component measured by weight percentage, the rotating speed of blender is 800 revs/min, and temperature, not higher than 50 DEG C, is uniformly mixed 10 minutes to evenly, obtains mixture;
(2) add in twin screw extruder by the mixture of step (1) gained, through melt extruding, air-cooled fervent granulation, to obtain final product.
Wherein, PLA is the common commercially available prod of NatureWorks company; The length-to-diameter ratio of twin screw extruder is 48:1, and rotating speed is 450 revs/min; Twin screw extruder is evenly divided into five districts from feed end to discharge end, and temperature sets gradually as the first 90 DEG C, district, the second 120 DEG C, district, the 3rd 160 DEG C, district, the 4th 180 DEG C, district, the 5th 175 DEG C, district.
embodiment 3
The biodegradable plastic Masterbatch that black column, PBS are special, is made up of following components based on weight percentage amount: PBS:75%, micron order CaCO
3: 4%, charcoal blacks: 15%, silane coupling agent: 1.9%, glycerine: 2%, erucicamide: 2.1%;
The preparation method of above-mentioned biodegradable plastic Masterbatch, comprises the following steps:
(1) add in high speed blender by each component measured by weight percentage, the rotating speed of blender is 600 revs/min, and temperature, not higher than 50 DEG C, is uniformly mixed 30 minutes to evenly, obtains mixture;
(2) add in twin screw extruder by the mixture of step (1) gained, through melt extruding, air-cooled fervent granulation, to obtain final product.
Wherein, PBS is the common commercially available prod of Jiangsu Rui Sheng company; The length-to-diameter ratio of twin screw extruder is 48:1, and rotating speed is 350 revs/min; Twin screw extruder is evenly divided into five districts from feed end to discharge end, and temperature sets gradually as the first 95 DEG C, district, the second 110 DEG C, district, the 3rd 150 DEG C, district, the 4th 160 DEG C, district, the 5th 160 DEG C, district.
embodiment 4
The biodegradable plastic Masterbatch that large red column, biodegradable plastic are general, is made up of following components based on weight percentage amount: PBAT:35%, PLA:30%, micron order CaCO
3: 6%, micron order SiO
2: 6%, everbright fast red pigment: 14%, silane coupling agent: 3%, diethylene glycol adipate: 1%, glycerine: 2%, erucicamide: 3%;
The preparation method of above-mentioned biodegradable plastic Masterbatch, comprises the following steps:
(1) add in high speed blender by each component measured by weight percentage, the rotating speed of blender is 600 revs/min, and temperature, not higher than 50 DEG C, is uniformly mixed 30 minutes to evenly, obtains mixture;
(2) add in twin screw extruder by the mixture of step (1) gained, through melt extruding, air-cooled fervent granulation, to obtain final product.
Wherein, the length-to-diameter ratio of twin screw extruder is 48:1, and rotating speed is 400 revs/min; Twin screw extruder is evenly divided into five districts from feed end to discharge end, and temperature sets gradually as the first 90 DEG C, district, the second 130 DEG C, district, the 3rd 160 DEG C, district, the 4th 175 DEG C, district, the 5th 175 DEG C, district.
The biodegradable plastic Masterbatch that above embodiment is obtained, have uniform coloring, lovely luster, colour fastness is high, cost is low, complete processing is easy to the advantages such as control.The above is the preferred embodiment of the present invention, and for those skilled in the art, under the premise without departing from the principles of the invention, the improvements and modifications made, are all considered as in protection scope of the present invention.
Claims (9)
1. a biodegradable plastic Masterbatch, is characterized in that, by weight percentage, composed of the following components: biodegradable plastic carrier 60 ~ 85%, filler 0 ~ 15%, pigment 5 ~ 25%, auxiliary agent 2 ~ 9%;
Wherein, described biodegradable plastic carrier is one or more in poly(lactic acid), poly-hexanodioic acid/butylene terephthalate and poly butylene succinate.
2. biodegradable plastic Masterbatch as claimed in claim 1, it is characterized in that: described filler is silicon-dioxide and/or calcium carbonate, described pigment is mineral dye or pigment dyestuff, described auxiliary agent is made up of coupling agent, softening agent and lubricant, and the weight percent that coupling agent, softening agent and lubricant account for auxiliary agent is respectively 30% ~ 35%.
3. biodegradable plastic Masterbatch as claimed in claim 2, is characterized in that: described coupling agent is silane coupling agent; Described softening agent is diethylene glycol adipate and/or glycerine; Described lubricant is amine hydroxybenzene or erucicamide.
4., as the biodegradable plastic Masterbatch as described in arbitrary in claims 1 to 3, it is characterized in that: the shape of described biodegradable plastic Masterbatch is column.
5. the preparation method of biodegradable plastic Masterbatch as claimed in claim 4, is characterized in that, comprise the following steps:
(1) each component measured by weight percentage is added in blender, be mixed to evenly, obtain mixture;
(2) add in screw extrusion press by the mixture of step (1) gained, through melt extruding, cooling and dicing, to obtain final product.
6. the preparation method of biodegradable plastic Masterbatch as claimed in claim 5, it is characterized in that: described in step (1), the rotating speed of blender is 600 ~ 1000 revs/min, temperature, not higher than 50 DEG C, is uniformly mixed 10 ~ 30 minutes.
7. the preparation method of biodegradable plastic Masterbatch as claimed in claim 5, it is characterized in that: described in step (2), screw extrusion press is twin screw extruder, the length-to-diameter ratio of twin screw extruder is 37:1 ~ 50:1, and rotating speed is 300 ~ 450 revs/min.
8. the preparation method of biodegradable plastic Masterbatch as claimed in claim 7, it is characterized in that: described twin screw extruder is divided into five districts from feed end to discharge end, temperature sets gradually as the first 90 DEG C, district ± 5 DEG C, second 110 DEG C, district ~ 130 DEG C, 3rd 150 DEG C, district ~ 170 DEG C, the 4th district and the 5th district are 160 DEG C ~ 185 DEG C.
9. the preparation method of biodegradable plastic Masterbatch as claimed in claim 5, is characterized in that: cooling and dicing described in step (2) adopts air-cooled fervent granulation.
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| CN106280289A (en) * | 2016-08-24 | 2017-01-04 | 山东清田塑工有限公司 | Divide band whole life cycle design and preparation method thereof |
| CN106751615A (en) * | 2016-12-19 | 2017-05-31 | 广东波斯科技股份有限公司 | A kind of high dispersive, biodegradable Masterbatch of low water absorption and preparation method thereof |
| CN107955348A (en) * | 2017-11-14 | 2018-04-24 | 青岛卓森纳生物工程有限公司 | A kind of environmentally-friendly plastic Masterbatch and its manufacture method |
| CN108003580A (en) * | 2017-09-21 | 2018-05-08 | 北京工商大学 | A kind of optimization method of high covering biodegradation Masterbatch preparation process |
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| CN109021516A (en) * | 2018-06-26 | 2018-12-18 | 苏州市贝克生物科技有限公司 | Biodegradable composite nano materials and preparation method thereof |
| CN109021518A (en) * | 2018-07-02 | 2018-12-18 | 东莞市金富亮塑胶科技有限公司 | A kind of degradable piezochromism plastic masterbatch and preparation method thereof |
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Application publication date: 20160316 |