CN103819802B - A kind of high density polyethylene(HDPE) composite assistant and preparation method thereof - Google Patents
A kind of high density polyethylene(HDPE) composite assistant and preparation method thereof Download PDFInfo
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- CN103819802B CN103819802B CN201410098129.0A CN201410098129A CN103819802B CN 103819802 B CN103819802 B CN 103819802B CN 201410098129 A CN201410098129 A CN 201410098129A CN 103819802 B CN103819802 B CN 103819802B
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- 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
- C08K5/00—Use of organic ingredients
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
- C08K5/1345—Carboxylic esters of phenolcarboxylic acids
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/20—Carboxylic acid amides
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
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- 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
- C08K2201/017—Additives being an antistatic agent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/24—Crystallisation aids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Abstract
The invention discloses a kind of high density polyethylene(HDPE) composite assistant and preparation method thereof, belong to chemical field, this composite assistant is made up of oxidation inhibitor, nucleator, acid-acceptor and antistatic agent, and wherein oxidation inhibitor is made up of antioxidant 330, irgasfos 168 and antioxidant 1076.The preparation method of this composite assistant is by after each component raw material mixing, stirs; Get each component granulation after stirring, obtain particle; By the pellet through sieves obtained.This composite assistant, by the synergistic effect between each auxiliary agent, effectively reduces total interpolation usage quantity, the oxidation induction period of 5000S can be made to bring up to more than 50 minutes, reduces yellowness index, improves the advantages such as breaking strain.
Description
Technical field
The present invention relates to chemical field, be specifically related to a kind of high density polyethylene(HDPE) composite assistant and preparation method thereof.
Background technology
Along with the augmentation of domestic high density polyethylene(HDPE) product applications and the performance boost of special high density polyethylene(HDPE) product, to the antioxidant property of its additive and other physical property performances also more and more stricter.Current domestic manufacturer because of import auxiliary agent expensive gradually by import additive be the earliest converted to auxiliary agent domesticize, because external composite assistant is to the technical know-how of China, producer wishes that a kind of home products replaces import auxiliary agent very much, all often according to no physical index, each additive of independent interpolation reaches performance index, so just cause, synergistic effect between additive is destroyed, addition is inaccurate, unstable product quality, simultaneously due to independent interpolation, cause dust pollution, endanger healthy, easy generation dust electrostatic endangers the Hazard Factor brought.
In order to avoid above all drawbacks, domestic market is badly in need of a kind of, and synergistic effect is good, excellent property, and what addition was little overcomes import additive auxiliary agent to the limitation of the technology of domestic high density polyethylene(HDPE), to improve the market competitiveness without dust auxiliary agent.
Summary of the invention
The object of the invention is to provide a kind of high density polyethylene(HDPE) composite assistant for above-mentioned technical problem.
A further object of the invention is to provide the preparation method of this composite assistant.
Object of the present invention can be achieved through the following technical solutions:
A kind of high density polyethylene(HDPE) composite assistant, described composite assistant is made up of oxidation inhibitor, nucleator, acid-acceptor and antistatic agent, and the parts by weight of each component are followed successively by 50 ~ 90 parts, 1 ~ 10 part, 5 ~ 20 parts and 1 ~ 25 part.
Preferably described composite assistant is made up of oxidation inhibitor, nucleator, acid-acceptor and antistatic agent, and the parts by weight of each component are followed successively by 67 ~ 97 parts, 1 ~ 5 part, 8 ~ 15 parts and 1 ~ 15 part.
Described oxidation inhibitor is made up of antioxidant 330, irgasfos 168 and antioxidant 1076, and the parts by weight of each component are followed successively by 5 ~ 15 parts, 44 ~ 54 parts and 18 ~ 28 parts; Described nucleator is nucleator HyperformHPN-20E; Acid-acceptor is acid-acceptor DHT-4A; Antistatic agent is two (beta-hydroxyethyl) coco amine.
Above-mentioned high density polyethylene(HDPE) composite assistant preparation method comprises the following steps:
1) by after each component raw material mixing, stir;
2) get each component after stirring to knock down in Squeezinggranulator and carry out granulation, obtain particle;
3) particle obtained is crossed 1 ~ 5 layer of sieve, the particle diameter of particle be more than 4mm be finished product, the particle diameter of particle is less than the recycling of 4mm.
Step 1) in stir be under temperature is 0 ~ 25 DEG C of condition, be that the speed of 800rpm stirs 50 seconds with stirring velocity.
Step 2) in the heating zone temperature of Squeezinggranulator be 55 DEG C, the temperature of head section is 60 DEG C, obtains particle by being extruded the billot obtained by head by air-cooled travelling belt by its natural fracture.
Step 3) in the particle that obtains cross 3 layers of sieve, the aperture of the first layer sieve is 8mm, the aperture 6mm of second layer sieve, and the aperture of third layer sieve is 4mm.
Beneficial effect of the present invention:
By the synergistic effect between each auxiliary agent in technical solution of the present invention, effectively reduce total interpolation usage quantity, the oxidation induction period of 5000S can be made to bring up to more than 50 minutes, reduce yellowness index, improve the advantages such as breaking strain.In addition, this composite assistant does not replace the superperformance of traditional work each interpolation in polyethylene device, protection single dose in preparation process containing dust pollution, once interpolation.
Embodiment
Below in conjunction with embodiment, the invention will be further described, but protection scope of the present invention is not limited thereto:
Embodiment 1
By 5kg antioxidant 330, 44kg irgasfos 168, 18kg antioxidant 1076, 5kg nucleator HyperformHPN-20E, 15kg acid-acceptor DHT-4A and 15kg antistatic agent are that two (beta-hydroxyethyl) coco amine is according to proportion size, drop into from light to heavy in high speed mixer, under temperature is 18 ~ 22 DEG C of conditions, 50S is stirred with the speed that rotating speed is 800 turns/min, be discharged in taper feeder afterwards, by screw conveyer in tablets press, in each stage of tablets press, pass through temperature regulating device, temperature control is realized to each section, preventing single dose from occurring because of the difference of fusing point there is (optimal process temperature: in tablets press, the temperature of heating zone is 55 DEG C in the situation of decomposition and sizing, the temperature of head section is 60 DEG C, wind chill temperatures 25 DEG C).To the cylinder shape strip material extruded by travelling belt air cooling equipment, its speed and extruded velocity is made to keep balance, after material cooling, allowed by vibration cylinder shape strip material ruptures, three layers of screen cloth diameter (the first layer 8mm, second layer 6mm, third layer 4mm) of sieving equipment, the particle diameter isolating particle be more than 4mm be finished product, the particle diameter of particle is less than the recycling of 4mm.
Embodiment 2
By 15kg antioxidant 330, 54kg irgasfos 168, 28kg antioxidant 1076, 1kg nucleator HyperformHPN-20E, 8kg acid-acceptor DHT-4A and 1kg antistatic agent are that two (beta-hydroxyethyl) coco amine is according to proportion size, drop into from light to heavy in high speed mixer, under temperature is 15 ~ 18 DEG C of conditions, 50S is stirred with the speed that rotating speed is 800 turns/min, be discharged in taper feeder afterwards, by screw conveyer in tablets press, in each stage of tablets press, pass through temperature regulating device, temperature control is realized to each section, preventing single dose from occurring because of the difference of fusing point there is (optimal process temperature: in tablets press, the temperature of heating zone is 55 DEG C in the situation of decomposition and sizing, the temperature of head section is 60 DEG C, wind chill temperatures 25 DEG C).To the cylinder shape strip material extruded by travelling belt air cooling equipment, its speed and extruded velocity is made to keep balance, after material cooling, allowed by vibration cylinder shape strip material ruptures, three layers of screen cloth diameter (the first layer 8mm, second layer 6mm, third layer 4mm) of sieving equipment, the particle diameter isolating particle be more than 4mm be finished product, the particle diameter of particle is less than the recycling of 4mm.
Embodiment 3
By 7kg antioxidant 330, 50kg irgasfos 168, 20kg antioxidant 1076, 3kg nucleator HyperformHPN-20E, 12kg acid-acceptor DHT-4A and 8kg antistatic agent are that two (beta-hydroxyethyl) coco amine is according to proportion size, drop into from light to heavy in high speed mixer, under temperature is 0 ~ 5 DEG C of condition, 50S is stirred with the speed that rotating speed is 800 turns/min, be discharged in taper feeder afterwards, by screw conveyer in tablets press, in each stage of tablets press, pass through temperature regulating device, temperature control is realized to each section, preventing single dose from occurring because of the difference of fusing point there is (optimal process temperature: in tablets press, the temperature of heating zone is 55 DEG C in the situation of decomposition and sizing, the temperature of head section is 60 DEG C, wind chill temperatures 25 DEG C).To the cylinder shape strip material extruded by travelling belt air cooling equipment, its speed and extruded velocity is made to keep balance, after material cooling by vibration allow cylinder shape strip material ruptures, three layers of screen cloth diameter (the first layer 8mm, second layer 6mm, third layer 4mm) of sieving equipment isolate particle particle diameter be more than 4mm be finished product, the particle diameter of particle is less than the recycling of 4mm.
Performance comparison:
As can be seen from the above table, the repeated processing change of technical solution of the present invention preparation-obtained polyethylene special plastic composite assistant to melting index is minimum, density is the most even, increase stretching yield stress and tension fracture strain, improve fracture norminal strain and oxidation induction period, the excellent advantages such as reduction yellowness index!
Claims (6)
1. a high density polyethylene(HDPE) composite assistant, is characterized in that: described composite assistant is made up of oxidation inhibitor, nucleator, acid-acceptor and antistatic agent, and the parts by weight of each component are followed successively by 50 ~ 90 parts, 1 ~ 10 part, 5 ~ 20 parts and 1 ~ 25 part;
And described oxidation inhibitor is made up of antioxidant 330, irgasfos 168 and antioxidant 1076, the parts by weight of each component are followed successively by 5 ~ 15 parts, 44 ~ 54 parts and 18 ~ 28 parts; Described nucleator is nucleator HyperformHPN-20E; Acid-acceptor is acid-acceptor DHT-4A; Antistatic agent is two (beta-hydroxyethyl) coco amine.
2. high density polyethylene(HDPE) composite assistant according to claim 1, it is characterized in that: described composite assistant is made up of oxidation inhibitor, nucleator, acid-acceptor and antistatic agent, the parts by weight of each component are followed successively by 67 ~ 97 parts, 1 ~ 5 part, 8 ~ 15 parts and 1 ~ 15 part.
3. a high density polyethylene(HDPE) composite assistant preparation method according to claim 1, is characterized in that: described preparation method comprises the following steps:
1) by after each component raw material mixing, stir;
2) get each component after stirring to knock down in Squeezinggranulator and carry out granulation, obtain particle;
3) particle obtained is crossed 1 ~ 5 layer of sieve, the particle diameter of particle be more than 4mm be finished product, the particle diameter of particle is less than the recycling of 4mm.
4. high density polyethylene(HDPE) composite assistant preparation method according to claim 3, is characterized in that: step 1) in stir be under temperature is 0 ~ 25 DEG C of condition, be that the speed of 800rpm stirs 50 seconds with stirring velocity.
5. high density polyethylene(HDPE) composite assistant preparation method according to claim 3; it is characterized in that: step 2) in the heating zone temperature of Squeezinggranulator be 55 DEG C; the temperature of head section is 60 DEG C, obtains particle by being extruded the billot obtained by head by air-cooled travelling belt by its natural fracture.
6. high density polyethylene(HDPE) composite assistant preparation method according to claim 3, is characterized in that: step 3) in the particle that obtains cross 3 layers of sieve, the aperture of the first layer sieve is 8mm, the aperture 6mm of second layer sieve, and the aperture of third layer sieve is 4mm.
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| CN201410098129.0A CN103819802B (en) | 2014-03-17 | 2014-03-17 | A kind of high density polyethylene(HDPE) composite assistant and preparation method thereof |
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| CN201410098129.0A CN103819802B (en) | 2014-03-17 | 2014-03-17 | A kind of high density polyethylene(HDPE) composite assistant and preparation method thereof |
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| CN103819802B true CN103819802B (en) | 2016-01-27 |
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| CN105273292A (en) * | 2014-06-11 | 2016-01-27 | 中国石油化工股份有限公司 | Linear low-density polyethylene auxiliary-agent master batch and preparation method thereof |
| CN106085250B (en) * | 2016-06-21 | 2018-11-09 | 天津致远江山科技有限公司 | Automobile-used paint surface care solution |
| CN108610531A (en) * | 2016-12-09 | 2018-10-02 | 中国石油天然气股份有限公司 | Polyvinyl piping materials composite assistant packet and preparation method thereof |
| CN109385003A (en) * | 2017-08-09 | 2019-02-26 | 中国石化扬子石油化工有限公司 | A kind of 3D printing polyethylene composition and preparation method thereof |
| CN107722430A (en) * | 2017-11-06 | 2018-02-23 | 濮阳市中原石化实业有限公司 | A kind of high transparency polyethylene composite assistant and preparation method thereof |
| CN112606240A (en) * | 2020-12-02 | 2021-04-06 | 无锡弘润森化工科技有限公司 | Production method of ABS composite powder auxiliary agent |
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| CN1155651C (en) * | 2001-05-09 | 2004-06-30 | 广州赫尔普化工有限公司 | Preparation method and equipment of polyolefine composite assistant |
| CN102199326B (en) * | 2010-03-24 | 2013-08-28 | 南京淳达科技发展有限公司 | Formula for high performance polypropylene composite additive, and preparation method thereof |
| CN103382274B (en) * | 2013-08-05 | 2016-01-20 | 广州赫尔普化工有限公司 | A kind of block copolymerization polypropylene composite additive |
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Effective date of registration: 20151228 Address after: Yixing dingshuzhen Weidu village 214226 Jiangsu city of Wuxi Province Applicant after: Han Kuang Industrial Co., Ltd., Jiangsu Address before: Yixing dingshuzhen Weidu village 214226 Jiangsu city of Wuxi Province Applicant before: YIXING BAOLONG CHEMICAL CO., LTD. |
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