CN102766294B - High-concentration polyolefin aromatic master batch and its preparation method - Google Patents
High-concentration polyolefin aromatic master batch and its preparation method Download PDFInfo
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- CN102766294B CN102766294B CN201210126614.5A CN201210126614A CN102766294B CN 102766294 B CN102766294 B CN 102766294B CN 201210126614 A CN201210126614 A CN 201210126614A CN 102766294 B CN102766294 B CN 102766294B
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- Prior art keywords
- essence
- high density
- fragrance
- master batch
- calcium carbonate
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Classifications
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- 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
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- 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
-
- 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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to an aromatic master batch, especially to a high-concentration polyolefin aromatic master batch and its preparation method. The high-concentration polyolefin aromatic master batch comprises the following components of: carrier resin, essence, an absorbent, a filler and a dispersing agent, wherein the carrier resin contains three resins of LLDPE, EVA and SBS; the absorbent is diatomite; the filler is calcium carbonate; and the dispersing agent is polyethylene wax. The aromatic master batch comprises the components of: by weight, 15-18% of LLDPE, 18-23% of EVA, 3-5% of SBS, 5-20% of essence, 18-23% of diatomite, 10-25% of calcium carbonate and 2-4% of polyethylene wax. The preparation method comprises the following steps of: weighing the materials according to the above ratio; adding the carrier resin, the adsorbent, the filler and the dispersing agent together into a mixing pot; slowly adding essence while stirring at a medium speed; pouring the uniformly-mixed materials into a co-rotating parallel twin-screw extruder for extrusion and controlling temperature parameter of the extrusion technology between 100 DEG C and 120 DEG C; carrying out water bath, cooling and drying by cold air blast, and pelletizing to prepare the high-concentration polyolefin aromatic master batch. The aromatic master batch provided by the invention has advantages of strong compatibility of essence and the carrier resin, high content of essence and lasting fragrance, and is applicable to different production technologies of different plastic products.
Description
Technical field
The present invention relates to a kind of fragrance masterbatch, relate in particular to a kind of high density polyolefine fragrance masterbatch and preparation method thereof.
Background technology
The production of perfuming plastics at present mainly adopts and directly adds in process of production essence or add the way of fragrance masterbatch to realize, wherein fragrance masterbatch is a kind ofly to give polyolefine [polyolefine is with polyethylene (polyethylene, PE) and polypropylene (Polypropylene, PP) the most important] the functional masterbatch of the certain fragrance of material, mainly by using after having the immersion of (belonging to polyolefine material) of oil absorbency rubber-plastic elastomer, yet the shortcoming that this method exists is that essence content is low and unstable, a little less than the bonding force of essence and vector resin, essence very easily oozes out and volatilizees.Also have by the fragrance masterbatch after extruder forced hybrid process, as disclosed aroma agglomerate for plastics of CN1800259A and preparation method thereof, composition comprises essence, additive, vector resin, additive comprises kaolin, polyethylene wax, vector resin is ethane-acetic acid ethyenyl resin copolymer (EVA) resin, kaolin mainly plays weighting agent and sorbent material, polyethylene wax mainly plays dispersion agent, each composition weight per distribution ratio is essence 10-15%, kaolin 55-60%, polyethylene wax 3-4%, EVA 26-28%, by formula rate, take material, according to first adding vector resin, add successively again kaolin, polyethylene wax, finally add the principle of essence to add in kneading pot, mediate to coated state, finally the compound stirring is put in parallel double-screw extruder and extruded, through cooling, pelletizing makes required master batch, by actual production, use, find that this preparation method has following defect: 1. formula adopts single EVA resin, make master batch extrude tie rod processing difficulties, production capacity is low, 2. additive kaolin too high levels makes masterbatch when film class especially transparent article is used, and affects products appearance, 3. owing to only there being single EVA resin in fragrance masterbatch formula, goods are deposited obvious essence exosmosis in a short time, and long-term storage loss of aroma is larger.
Summary of the invention
The present invention in the fragrance masterbatch that solves prior art and prepare, essence is poor with the consistency of vector resin, essence content is low and essence easily outer blending volatilize and problem that existing preparation method's production capacity is low provides a kind of high density polyolefine fragrance masterbatch and preparation method thereof.
For achieving the above object, the present invention adopts following technical scheme: a kind of high density polyolefine fragrance masterbatch, composition comprises vector resin, essence, additive, additive comprises sorbent material, weighting agent, dispersion agent, dispersion agent is polyethylene wax, described vector resin is LLDPE (LLDPE), ethane-acetic acid ethyenyl resin copolymer resin (EVA), three kinds of resins of styrene-butadiene-styrene block copolymer rubber elastomer (SBS), sorbent material is diatomite, and weighting agent is calcium carbonate.
High density polyolefine fragrance masterbatch of the present invention, each weight percentages of components is:
LLDPE 15-18%
EVA 18-23%
SBS 3-5%
Essence 5-20%
Diatomite 18-23%
Calcium carbonate 10-25%
Polyethylene wax 2-4%.
Vector resin described in the present invention is that three kinds of resin compounded are used, wherein LLDPE has fabulous rheological or melt fluidity, show as " rigidity during shearing " and " soft during extension ", it is the main raw material of polyethylene (PE) blown film based article and molding based article, can increase the consistency of essence and goods resin, guarantee the dispersiveness of masterbatch in goods; Adopt EVA copolymer resins, can utilize itself and rubber performance approaching high flexibility and cohesiveness, all have good consistency with essence and LLDPE, the fusing point of EVA copolymer resins 100 ℃ of left and right can reduce processing temperature simultaneously, reduces the essence loss in the course of processing; SBS has good tensile strength, and good processability can utilize essence to permeate it, plays the absorption of essence and control the effect that fragrance slowly discharges in goods.In addition, by production application, the optimum ratio of above-mentioned three kinds of resins can be realized the best consistency effect of essence and vector resin.
Described diatomite, have that special porousness structure, microvoid structure, water-absorbent are strong, stable chemical nature, the feature such as wear-resisting, heat-resisting, the main sorbent material as essence in formula, the while as the sustained release dosage of essence, is played the lasting effect of lasting in later stage use procedure.
Described calcium carbonate, as weighting agent, coordinates diatomite to adsorb essence in masterbatch, also plays the effect that increases goods whiteness and be easy to masterbatch cooling and dicing simultaneously.
Polyethylene of dispersing agent wax can make calcium carbonate and diatomite dispersed in vector resin, increases the bonding force of both and vector resin.
According to the state of the art, adopt common process can make described high density polyolefine fragrance masterbatch.
Further, described EVA copolymer resins adopts vinyl acetate between to for plastic (VA) content at the EVA of 18-24% copolymer resins, and the object of doing is like this further to increase the consistency of itself and essence and LLDPE; Described SBS adopts not oil-filled type SBS, for the infiltration of essence, also has very large promoter action.
Further, described diatomite is high-quality natural diatomaceous earth, requires its SiO
2content is greater than 70%, and granularity is greater than 500 orders, SiO
2as diatomaceous effective constituent, its content is higher, and diatomaceous specific surface area and pore volume are larger, thereby increases the absorption to essence.
Further, described calcium carbonate is light active calcium carbonate, and its fineness is greater than 1250 orders, and whiteness is greater than 94%, and the powder particle surface that white is fine and smooth is covered by active substance, increases on the one hand the absorption to essence, improves on the other hand products appearance quality.
Essence described in the present invention is high-temperature resistant rubber plastics essence specials, 120 ℃ of above temperature of minimum ability, and the high temperature that part essence ability is 300 ℃, its fragrance retention is splendid.Odor type mainly comprises fragrance of a flower class, fruital class and other class, and wherein fragrance of a flower class mainly contains jasmine, sweet osmanthus, rose, lavandula angustifolia, vanilla, Flos micheliae Albae etc.; Fruital class mainly contains apple, lemon, strawberry etc.; Other class comprises the fragrance such as chocolate, Gu Long, peppermint, milk.Concrete odor type can be according to the apolegamy of cooperating of client's different demands and essence corporation.
Preparing above-mentioned high density polyolefine fragrance masterbatch can adopt with the following method: by formula rate, take each material, first by vector resin, sorbent material, weighting agent, dispersion agent adds in agitator kettle together, middling speed is uniformly mixed, under stirring, middling speed slowly adds essence again, middling speed is uniformly mixed, material is uniformly mixed, finally even compound is dropped in equidirectional parallel double-screw extruder and extruded, expressing technique temperature parameter is controlled between 100-120 ℃ and (controls each section of temperature range of equidirectional parallel double-screw extruder between 100-120 ℃), after water-bath and cold wind cooling drying, pelletizing makes high density polyolefine fragrance masterbatch.The thickness of particle regulates by the pulling speed of dicing machine.Be proven, it is high that the production capacity of this preparation method's productivity ratio prior art is wanted.
Further, the head temperature of equidirectional parallel double-screw extruder is controlled at the highest 120 ℃, to guarantee surface quality and the production capacity of fragrance masterbatch.
The present invention is by improving and optimize the formula of fragrance masterbatch in prior art and ratio thereof, vector resin adopts three kinds of resin compounded to use, sorbent material diatomite, weighting agent calcium carbonate preferably, not only solve the essence of existing fragrance masterbatch and the compatibility problem of vector resin, and greatly improved the visual appearance of goods.In addition, due to the optimization of fragrance masterbatch proportioning and preparation method's parameter, make the productivity ratio prior art of this fragrance masterbatch improve approximately 50%.High density polyolefine fragrance masterbatch of the present invention is applicable to the various processes of different plastics, as blowing, extrusion molding, plastic uptake, compression moulding, injection moulding etc., can be used for plastic packaging bag, membrane product, refuse bag, credit card, PVC member card and plastic process goods etc., also can directly make to be used as the fragrant atmosphere agent in solid ring border, have lasting fragrance, can reach two to three years, odor type is pure, the advantage that usage quantity is little, does not affect products appearance while especially using in painted and transparent article.
embodiment
Embodiment 1:
Preparation 100kg high density polyolefine fragrance masterbatch
1. constituent mass
LLDPE 17 kg
EVA 18 kg
SBS 3 kg
Essence 15 kg
Diatomite 18 kg
Calcium carbonate 25 kg
Polyethylene wax 4 kg
2. preparation method
By formula rate, take each material, according to first adding vector resin, add successively again diatomite, calcium carbonate, add again polyethylene wax, finally add the principle of essence to add in kneading pot, mediate to coated state, finally the compound stirring is put in parallel double-screw extruder and extruded, through cooling, pelletizing, make high density polyolefine fragrance masterbatch.
Embodiment 2:
Preparation 100kg high density polyolefine fragrance masterbatch
1. constituent mass
LLDPE 16 kg
EVA 20 kg
SBS 4 kg
Essence 17 kg
Diatomite 20 kg
Calcium carbonate 20 kg
Polyethylene wax 3 kg
2. preparation method is with embodiment 1..
Embodiment 3:
Preparation 100kg high density polyolefine fragrance masterbatch
1. constituent mass
LLDPE 15 kg
EVA 23 kg
SBS 5 kg
Essence 20 kg
Diatomite 23 kg
Calcium carbonate 12 kg
Polyethylene wax 2 kg
2. preparation method
By said ratio, take each material, first by vector resin, sorbent material, weighting agent, dispersion agent adds in agitator kettle together, middling speed is uniformly mixed, then under stirring, middling speed slowly adds essence, stir about the 5 minutes material that are uniformly mixed, finally even compound is dropped in equidirectional parallel double-screw extruder and extruded, control each section of temperature range of forcing machine between 100-120 ℃, for guaranteeing masterbatch surface quality and production capacity, the head temperature of equidirectional parallel double-screw extruder is controlled at the highest 120 ℃, after water-bath and cold wind cooling drying, pelletizing makes required high density polyolefine fragrance masterbatch product.
Embodiment 4:
Preparation 100kg high density polyolefine fragrance masterbatch
1. constituent mass
LLDPE 18 kg
EVA 22 kg
SBS 5 kg
Essence 5 kg
Diatomite 21 kg
Calcium carbonate 25 kg
Polyethylene wax 4 kg
2. preparation method is with embodiment 3.
Embodiment 5:
Preparation 100kg high density polyolefine fragrance masterbatch
1. constituent mass
LLDPE 18 kg
EVA 23 kg
SBS 5 kg
Essence 18 kg
Diatomite 23 kg
Calcium carbonate 10 kg
Polyethylene wax 3 kg
2. preparation method is with embodiment 3.
Claims (11)
1. a high density polyolefine fragrance masterbatch, composition is vector resin, essence, additive, additive is sorbent material, weighting agent, dispersion agent, dispersion agent is polyethylene wax, it is characterized in that: vector resin is LLDPE, EVA, tri-kinds of resins of SBS, sorbent material is diatomite, and weighting agent is calcium carbonate, and each weight percentages of components is
2. high density polyolefine fragrance masterbatch according to claim 1, is characterized in that: described EVA copolymer resins adopts vinyl acetate content at the EVA of 18-24% copolymer resins; Described SBS adopts not oil-filled type SBS.
3. high density polyolefine fragrance masterbatch according to claim 1 and 2, is characterized in that: described diatomite is high-quality natural diatomaceous earth, requires its SiO2 content to be greater than 70%, and granularity is greater than 500 orders.
4. high density polyolefine fragrance masterbatch according to claim 1 and 2, is characterized in that: described calcium carbonate is light active calcium carbonate, and its fineness is greater than 1250 orders, and whiteness is greater than 94%.
5. high density polyolefine fragrance masterbatch according to claim 3, is characterized in that: described calcium carbonate is light active calcium carbonate, and its fineness is greater than 1250 orders, and whiteness is greater than 94%.
6. high density polyolefine fragrance masterbatch according to claim 1 and 2, is characterized in that: described essence is high-temperature resistant rubber plastics essence specials, 120 ℃ of minimum abilities.
7. high density polyolefine fragrance masterbatch according to claim 1 and 2, is characterized in that: described essence is high-temperature resistant rubber plastics essence specials, the high temperature that ability is 300 ℃.
8. high density polyolefine fragrance masterbatch according to claim 5, is characterized in that: described essence is high-temperature resistant rubber plastics essence specials, 120 ℃ of minimum abilities.
9. high density polyolefine fragrance masterbatch according to claim 5, is characterized in that: described essence is high-temperature resistant rubber plastics essence specials, the high temperature that ability is 300 ℃.
10. a method of preparing high density polyolefine fragrance masterbatch as claimed in claim 1 or 2, it is characterized in that: by formula rate, take each material, first by vector resin, sorbent material, weighting agent, dispersion agent adds in agitator kettle together, middling speed is uniformly mixed, under stirring, middling speed slowly adds essence again, middling speed is uniformly mixed, material is uniformly mixed, finally even compound is dropped in equidirectional parallel double-screw extruder and extruded, expressing technique temperature parameter is controlled between 100-120 ℃, after water-bath and cold wind cooling drying, pelletizing makes high density polyolefine fragrance masterbatch.
The preparation method of 11. high density polyolefine fragrance masterbatch according to claim 10, is characterized in that: the head temperature of described equidirectional parallel double-screw extruder is controlled at the highest 120 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210126614.5A CN102766294B (en) | 2012-04-27 | 2012-04-27 | High-concentration polyolefin aromatic master batch and its preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210126614.5A CN102766294B (en) | 2012-04-27 | 2012-04-27 | High-concentration polyolefin aromatic master batch and its preparation method |
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| Publication Number | Publication Date |
|---|---|
| CN102766294A CN102766294A (en) | 2012-11-07 |
| CN102766294B true CN102766294B (en) | 2014-11-19 |
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| CN201210126614.5A Expired - Fee Related CN102766294B (en) | 2012-04-27 | 2012-04-27 | High-concentration polyolefin aromatic master batch and its preparation method |
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| CN105752461A (en) * | 2016-05-04 | 2016-07-13 | 太仓市国宏服饰有限公司 | Packaging bag with flavour |
| CN106832527A (en) * | 2017-02-24 | 2017-06-13 | 台州市路桥瑞康家庭用品厂 | A kind of refuse bag and its preparation technology |
| CN107698848A (en) * | 2017-10-25 | 2018-02-16 | 成都新柯力化工科技有限公司 | A kind of fragrant plastic masterbatch and preparation method thereof |
| CN109777031B (en) * | 2018-12-28 | 2021-08-17 | 成都金发科技新材料有限公司 | Low-VOC-content fragrant PC/ABS composite material and preparation method thereof |
| CN111909438B (en) * | 2019-05-09 | 2022-04-08 | 哈尔滨工业大学 | Multifunctional scented tablet based on medical stone/EVA composite material and preparation method thereof |
| CN111234363A (en) * | 2020-03-26 | 2020-06-05 | 无锡优塑美科技有限公司 | Preparation method of high-concentration essence master batch |
| CN111333949A (en) * | 2020-04-02 | 2020-06-26 | 巴颜生物科技(广州)有限公司 | Fragrant plastic and preparation method thereof |
| CN112043782A (en) * | 2020-08-19 | 2020-12-08 | 一汽奔腾轿车有限公司 | Plant essential oil solid balm and preparation method thereof |
| CN113385011B (en) * | 2021-06-16 | 2022-05-06 | 杭州华好生物科技有限公司 | Smell removing agent |
| CN116606755B (en) * | 2023-03-15 | 2024-05-14 | 中国国际海运集装箱(集团)股份有限公司 | Bacillus licheniformis and application thereof in degradation of polyolefin |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1800259A (en) * | 2004-12-31 | 2006-07-12 | 山东春潮色母料有限公司 | Aroma agglomerate for plastics and its preparation method |
| CN101486812A (en) * | 2008-01-14 | 2009-07-22 | 赖威宇 | Environment friendly plastic bag composition with fragrance and preparation thereof |
| CN102030942A (en) * | 2010-12-17 | 2011-04-27 | 深圳市天坤元环保科技有限公司 | Cold-resistant and high temperature-resistant composite material and preparation method thereof |
-
2012
- 2012-04-27 CN CN201210126614.5A patent/CN102766294B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1800259A (en) * | 2004-12-31 | 2006-07-12 | 山东春潮色母料有限公司 | Aroma agglomerate for plastics and its preparation method |
| CN101486812A (en) * | 2008-01-14 | 2009-07-22 | 赖威宇 | Environment friendly plastic bag composition with fragrance and preparation thereof |
| CN102030942A (en) * | 2010-12-17 | 2011-04-27 | 深圳市天坤元环保科技有限公司 | Cold-resistant and high temperature-resistant composite material and preparation method thereof |
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| CN102766294A (en) | 2012-11-07 |
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Address after: 044000 No. 376 Hongqi East Road, Shanxi, Yuncheng Patentee after: Nanfeng Chemical Group Co., Ltd. Address before: 044000 No. 294, Saline Lake District, Yuncheng, Shanxi, Jiefang Road Patentee before: Nanfeng Chemical Group Co., Ltd. |
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Granted publication date: 20141119 Termination date: 20160427 |