CN110172205A - A kind of high filling low density polyethylene (LDPE) blown film master batch and preparation method thereof - Google Patents
A kind of high filling low density polyethylene (LDPE) blown film master batch and preparation method thereof Download PDFInfo
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- C08J3/20—Compounding polymers with additives, e.g. colouring
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Abstract
The invention belongs to plastic master batch preparation technical fields, a kind of high filling low density polyethylene (LDPE) blown film master batch and preparation method thereof is disclosed, which includes the raw material of following parts by weight: 75~85 parts of modified calcium carbonate, LLDPE6~12 part, 3~6 parts of nucleating agent, 1~4 part of titanate coupling agent, 0.5~1 part of glyceryl tristearate, 0.5~1 part of OPE wax, 0.3~0.8 part of antibacterial agent, 0.1~0.3 part of antioxidant.Low density polyethylene (LDPE) blown film master batch of the present invention has the advantages that high filling, high dispersive, high fluidity, shock proof, can largely add the blown film in film blown film master batch, the film of preparation use intensity with higher, ductility.
Description
Technical field
The invention belongs to plastic master batch preparation technical field, in particular to a kind of high filling low density polyethylene (LDPE) blown film master batch
And preparation method thereof.
Background technique
Polyethylene is a kind of thermoplastic resin odorless, nontoxic, resistance to low temperature is excellent, is that current production rate is maximum, applies
One of most wide plastics variety accounts for about the 35% of world's plastics total output.Sub-polyethylene is three kinds, is high-density polyethylene respectively
Alkene, low density polyethylene (LDPE) and linear low density polyethylene (LLDPE), three belong to thermoplasticity general-purpose plastics.Linear low density polyethylene
(referred to as LLDPE) is nontoxic, tasteless, odorless milky white granules, and density is 0.918~0.935g/cm3, with higher
Softening temperature and melting temperature, there is that intensity is big, good toughness, rigidity is big, heat-resisting, cold resistance is good, also have good resistance to
Environmental stress cracking, the performances such as impact resistant strength, tear-resistant intensity are widely used in production agricultural film, packing film, THIN COMPOSITE
Film etc..But easily there is sharkskin phenomenon and rupture of membranes phenomenon in film surface when linear low density polyethylene film processed, and is difficult to simultaneous
Have high-luster and paracentesis resistance, influences its application.
Summary of the invention
The technical problem to be solved by the present invention is to overcome drawbacks described above, and it is female to provide a kind of high filling low density polyethylene (LDPE) blown film
Grain and preparation method thereof.
In order to solve the above-mentioned technical problem, the technical solution of the present invention is as follows:
A kind of high filling low density polyethylene (LDPE) blown film master batch, the raw material including following parts by weight: modified calcium carbonate 75~85
Part, LLDPE6~12 part, 3~6 parts of nucleating agent, 1~4 part of titanate coupling agent, 0.5~1 part of glyceryl tristearate, OPE wax
0.5~1 part, 0.3~0.8 part of antibacterial agent, 0.1~0.3 part of antioxidant.
Preferably, the high filling low density polyethylene (LDPE) blown film master batch includes the raw material of following parts by weight: modified calcium carbonate
82 parts, LLDPE10 parts, 4 parts of nucleating agent, 2 parts of coupling agent, 0.8 part of glyceryl tristearate, 0.6 part of OPE wax, antibacterial agent 0.4
Part, 0.2 part of antioxidant.
Preferably, the modified calcium carbonate is surface-modified dose of modified porous nano calcium carbonate, the porous nano
The partial size of calcium carbonate is 100~1000nm, and porosity is 40~50%.
Preferably, the surfactant be neopelex, acesulfame potassium, chitosan in mass ratio
The mixture formed for 1:1~2:2~3.
Preferably, the nucleating agent by dibenzal sorbitol, talcum powder and hexadecyldimethyl benzyl ammonium be in mass ratio 1:1~
Mixture made of 3:2~4.
Preferably, the antibacterial agent prepares gained: 15~30 parts of chlorogenic acid, nano zine oxide by the raw material of following parts by weight
10~20 parts, 6~10 parts of chitosan, 5~8 parts of ammonium dihydrogen phosphate.
Preferably, the antioxidant is antioxidant 1010, antioxidant CA, antioxidant 330 are 1~3:1~2:1 in mass ratio
Mixing composition.
It is a further object of the present invention to provide a kind of preparation methods of high filling low density polyethylene (LDPE) blown film master batch, including such as
Lower step:
(1) above-mentioned each raw material is mixed evenly by weight；
(2) step (1) mixing material is added to three-screw extruder and carries out extruding pelletization, extruding zone temperature is set are as follows:
One section 150 DEG C, two sections 170 DEG C, three sections 180 DEG C, four sections 190 DEG C, five sections 190 DEG C, 190 DEG C of head, setting mixing speed are
300-500rpm；
(3) particle obtained by step (2) is dried 2~4 hours at 80~110 DEG C, obtains low density polyethylene (LDPE) blown film master batch.
Compared with prior art the beneficial effects of the present invention are:
The present invention is mixed using surface-modified porous nano calcium carbonate with low density polyethylene (LDPE) in proportion, is added simultaneously
Nucleating agent enhances the lubricity and stability of linear low density polyethylene blown film master batch, improves the power of low-density polyethylene material
Performance, hot property, there is sharkskin phenomenon and rupture of membranes phenomenon in film surface when solving linear low density polyethylene film processed,
Processing speed is improved, and improves the optical property of film, makes the polyethylene master batch use intensity with higher of preparation, mentions
The performances such as rigidity, the high temperature resistant creep of high master batch, to also improve the softening temperature of plastic products.
Antibacterial agent is added in low density polyethylene (LDPE) blown film master batch of the present invention, makes the master batch of preparation that there is good antibacterial and kill
The effect of bacterium, dosage seldom can obviously play antibacterial action；And the mechanical strength of plastics is not influenced, is easy in the plastic point
It dissipates uniformly, good weatherability, persistence is good, and plastics is made to have long-term antibiotic property.
Low density polyethylene (LDPE) blown film master batch produced by the present invention, can be on the basis of not reducing the strength of materials, significantly
Rigidity, toughness and ductility etc. are improved, the conjugation problem of blending and modifying is significantly improved, improves low density polyethylene (LDPE) blown film
The additive amount of master batch, up to 60% reduce production cost, have a good application prospect.
Specific embodiment
Specific embodiments of the present invention will be further explained below.It should be noted that for these implementations
The explanation of mode is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, invention described below
Technical characteristic involved in each embodiment can be combined with each other as long as they do not conflict with each other.
Embodiment 1
A kind of high filling low density polyethylene (LDPE) blown film master batch, the raw material including following parts by weight: 75 parts of modified calcium carbonate,
LLDPE12 parts, it is 6 parts of nucleating agent, 4 parts of titanate coupling agent, 1 part of glyceryl tristearate, 1 part of OPE wax, 0.8 part of antibacterial agent, anti-
0.2 part of oxygen agent；
Wherein modified calcium carbonate is surface-modified dose of modified porous nano calcium carbonate, the partial size of porous nano calcium carbonate
For 100nm, porosity is 40~50%；
Surfactant is that neopelex, acesulfame potassium, chitosan are 1:1:2 composition in mass ratio
Mixture；
Nucleating agent is mixing made of 1:1:2 dibenzal sorbitol, talcum powder and hexadecyldimethyl benzyl ammonium in mass ratio
Object；
Antibacterial agent by following parts by weight raw material prepare gained: 15 parts of chlorogenic acid, 10 parts of nano zine oxide, 6 parts of chitosan,
5 parts of ammonium dihydrogen phosphate；
Antioxidant is that antioxidant 1010, antioxidant CA, antioxidant 330 are 1:1:1 mixing composition in mass ratio.
It is a kind of it is high filling low density polyethylene (LDPE) blown film master batch the preparation method comprises the following steps:
(1) above-mentioned each raw material is mixed evenly by weight；
(2) step (1) mixing material is added to three-screw extruder and carries out extruding pelletization, extruding zone temperature is set are as follows:
One section 150 DEG C, two sections 170 DEG C, three sections 180 DEG C, four sections 190 DEG C, five sections 190 DEG C, 190 DEG C of head, setting mixing speed are
300-500rpm；
(3) particle obtained by step (2) is dried 4 hours at 80 DEG C, obtains low density polyethylene (LDPE) blown film master batch.
Embodiment 2
A kind of high filling low density polyethylene (LDPE) blown film master batch, the raw material including following parts by weight: 82 parts of modified calcium carbonate,
LLDPE10 parts, 4 parts of nucleating agent, 2 parts of coupling agent, 0.8 part of glyceryl tristearate, 0.6 part of OPE wax, 0.4 part of antibacterial agent, antioxygen
0.2 part of agent；
Wherein modified calcium carbonate is surface-modified dose of modified porous nano calcium carbonate, the porous nano calcium carbonate
Partial size is 400nm, porosity 45%；
Surfactant is that neopelex, acesulfame potassium, chitosan are 1:2:2 composition in mass ratio
Mixture；
Nucleating agent is mixing made of 1:2:2 dibenzal sorbitol, talcum powder and hexadecyldimethyl benzyl ammonium in mass ratio
Object；
Antibacterial agent by following parts by weight raw material prepare gained: 20 parts of chlorogenic acid, 15 parts of nano zine oxide, 8 parts of chitosan,
6 parts of ammonium dihydrogen phosphate；
Antioxidant is that antioxidant 1010, antioxidant CA, antioxidant 330 are 1:2:1 mixing composition in mass ratio.
It is a kind of it is high filling low density polyethylene (LDPE) blown film master batch the preparation method comprises the following steps:
(1) above-mentioned each raw material is mixed evenly by weight；
(2) step (1) mixing material is added to three-screw extruder and carries out extruding pelletization, extruding zone temperature is set are as follows:
One section 150 DEG C, two sections 170 DEG C, three sections 180 DEG C, four sections 190 DEG C, five sections 190 DEG C, 190 DEG C of head, setting mixing speed are
300-500rpm；
(3) particle obtained by step (2) is dried 3 hours at 90 DEG C, obtains low density polyethylene (LDPE) blown film master batch.
Embodiment 3
A kind of high filling low density polyethylene (LDPE) blown film master batch, the raw material including following parts by weight: 80 parts of modified calcium carbonate,
LLDPE10 parts, 5 parts of nucleating agent, 3 parts of titanate coupling agent, 1 part of glyceryl tristearate, 0.6 part of OPE wax, 0.3 part of antibacterial agent,
0.1 part of antioxidant；
Wherein modified calcium carbonate is surface-modified dose of modified porous nano calcium carbonate, the porous nano calcium carbonate
Partial size is 100~1000nm, and porosity is 40~50%；
Surfactant is that neopelex, acesulfame potassium, chitosan are 1:2:3 composition in mass ratio
Mixture；
Nucleating agent is mixing made of 1:3:2 dibenzal sorbitol, talcum powder and hexadecyldimethyl benzyl ammonium in mass ratio
Object；
Antibacterial agent by following parts by weight raw material prepare gained: 25 parts of chlorogenic acid, 18 parts of nano zine oxide, 8 parts of chitosan,
6 parts of ammonium dihydrogen phosphate；
Antioxidant is that antioxidant 1010, antioxidant CA, antioxidant 330 are 3:2:1 mixing composition in mass ratio.
It is a kind of it is high filling low density polyethylene (LDPE) blown film master batch the preparation method comprises the following steps:
(1) above-mentioned each raw material is mixed evenly by weight；
(2) step (1) mixing material is added to three-screw extruder and carries out extruding pelletization, extruding zone temperature is set are as follows:
One section 150 DEG C, two sections 170 DEG C, three sections 180 DEG C, four sections 190 DEG C, five sections 190 DEG C, 190 DEG C of head, setting mixing speed are
300-500rpm；
(3) particle obtained by step (2) is dried 3 hours at 100 DEG C, obtains low density polyethylene (LDPE) blown film master batch.
Embodiment 4
A kind of high filling low density polyethylene (LDPE) blown film master batch, the raw material including following parts by weight: 84 parts of modified calcium carbonate,
LLDPE8 parts, it is 4 parts of nucleating agent, 1 part of titanate coupling agent, 1 part of glyceryl tristearate, 1 part of OPE wax, 0.8 part of antibacterial agent, anti-
0.2 part of oxygen agent；
Wherein modified calcium carbonate is surface-modified dose of modified porous nano calcium carbonate, the porous nano calcium carbonate
Partial size is 600nm, porosity 50%；
Surfactant is that neopelex, acesulfame potassium, chitosan are 1:2:2 composition in mass ratio
Mixture；
Nucleating agent is mixing made of 1:3:4 dibenzal sorbitol, talcum powder and hexadecyldimethyl benzyl ammonium in mass ratio
Object；
Antibacterial agent prepares gained: 30 parts of chlorogenic acid, 20 parts of nano zine oxide, chitosan 10 by the raw material of following parts by weight
Part, 8 parts of ammonium dihydrogen phosphate；
Antioxidant is that antioxidant 1010, antioxidant CA, antioxidant 330 are 3:1:1 mixing composition in mass ratio.
It is a kind of it is high filling low density polyethylene (LDPE) blown film master batch the preparation method comprises the following steps:
(1) above-mentioned each raw material is mixed evenly by weight；
(2) step (1) mixing material is added to three-screw extruder and carries out extruding pelletization, extruding zone temperature is set are as follows:
One section 150 DEG C, two sections 170 DEG C, three sections 180 DEG C, four sections 190 DEG C, five sections 190 DEG C, 190 DEG C of head, setting mixing speed are
300-500rpm；
(3) particle obtained by step (2) is dried 2 hours at 110 DEG C, obtains low density polyethylene (LDPE) blown film master batch.
Embodiment 5
A kind of high filling low density polyethylene (LDPE) blown film master batch, the raw material including following parts by weight: 85 parts of modified calcium carbonate,
LLDPE6 parts, 3 parts of nucleating agent, 4 parts of titanate coupling agent, 0.5 part of glyceryl tristearate, 0.5 part of OPE wax, antibacterial agent 0.7
Part, 0.3 part of antioxidant；
Wherein modified calcium carbonate is surface-modified dose of modified porous nano calcium carbonate, the porous nano calcium carbonate
Partial size is 1000nm, porosity 50%；
Surfactant is that neopelex, acesulfame potassium, chitosan are 1:2:3 composition in mass ratio
Mixture；
Nucleating agent is mixing made of 1:3:2 dibenzal sorbitol, talcum powder and hexadecyldimethyl benzyl ammonium in mass ratio
Object；
Antibacterial agent by following parts by weight raw material prepare gained: 25 parts of chlorogenic acid, 18 parts of nano zine oxide, 8 parts of chitosan,
6 parts of ammonium dihydrogen phosphate；
Antioxidant is that antioxidant 1010, antioxidant CA, antioxidant 330 are 3:2:1 mixing composition in mass ratio.
It is a kind of it is high filling low density polyethylene (LDPE) blown film master batch the preparation method comprises the following steps:
(1) above-mentioned each raw material is mixed evenly by weight；
(2) step (1) mixing material is added to three-screw extruder and carries out extruding pelletization, extruding zone temperature is set are as follows:
One section 150 DEG C, two sections 170 DEG C, three sections 180 DEG C, four sections 190 DEG C, five sections 190 DEG C, 190 DEG C of head, setting mixing speed are
300-500rpm；
(3) particle obtained by step (2) is dried 3 hours at 100 DEG C, obtains low density polyethylene (LDPE) blown film master batch.
Test effect
Low density polyethylene (LDPE) blown film master batch prepared by embodiment 1-5 according to national standard GB11548-89/GB1039-79 and
The examination criteria of GB9341-88/GB9342-88 carries out mechanics properties testing, according to QB/T2591-2003 film applicator coating, investigates
The antibiotic rate of sample for 24 hours, testing result are as shown in table 1.
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | |
| Tensile strength (MPa) | 48.7 | 49.5 | 48.8 | 48.1 | 47.6 |
| Elongation at break (%) | 54.6 | 55.8 | 54.6 | 54.1 | 53.8 |
| Shock strength (KJ/m2) | 107 | 112 | 108 | 105 | 104 |
| Mist degree (%) | 9.5 | 9.2 | 8.9 | 9.1 | 9.3 |
| Escherichia coli antibiotic rate (%) | 99.6 | 99.8 | 99.9 | 99.7 | 99.6 |
The above are present pre-ferred embodiments, it is only applicable to the principle for helping to understand the embodiment of the present invention；Meanwhile for this
The those skilled in the art in field, according to the present embodiment, there will be changes in terms of specific embodiments and scope of application, comprehensive
Upper described, the contents of this specification are not to be construed as limiting the invention.
Claims (8)
1. a kind of high filling low density polyethylene (LDPE) blown film master batch, it is characterised in that: the raw material including following parts by weight: modified carbonic acid
75~85 parts of calcium, LLDPE6~12 part, 3~6 parts of nucleating agent, 1~4 part of titanate coupling agent, glyceryl tristearate 0.5~1
Part, 0.5~1 part of OPE wax, 0.3~0.8 part of antibacterial agent, 0.1~0.3 part of antioxidant.
2. high filling low density polyethylene (LDPE) blown film master batch according to claim 1, it is characterised in that: including following parts by weight
Raw material: 82 parts of modified calcium carbonate, LLDPE10 parts, 4 parts of nucleating agent, 2 parts of coupling agent, 0.8 part of glyceryl tristearate, OPE wax
0.6 part, 0.4 part of antibacterial agent, 0.2 part of antioxidant.
3. high filling low density polyethylene (LDPE) blown film master batch according to claim 1 or 2, it is characterised in that: the carbon modified
Sour calcium is surface-modified dose of modified porous nano calcium carbonate, and the partial size of the porous nano calcium carbonate is 100~1000nm,
Porosity is 40~50%.
4. high filling low density polyethylene (LDPE) blown film master batch according to claim 3, it is characterised in that: the surfactant
It is in mass ratio the mixture that 1:1~2:2~3 is formed for neopelex, acesulfame potassium, chitosan.
5. high filling low density polyethylene (LDPE) blown film master batch according to claim 1 or 2, it is characterised in that: the nucleating agent
It is in mass ratio mixture made of 1:1~3:2~4 dibenzal sorbitol, talcum powder and hexadecyldimethyl benzyl ammonium.
6. high filling low density polyethylene (LDPE) blown film master batch according to claim 1 or 2, it is characterised in that: the antibacterial agent
Gained: 15~30 parts of chlorogenic acid, 10~20 parts of nano zine oxide, 6~10 parts of chitosan, phosphorus is prepared by the raw material of following parts by weight
5~8 parts of acid dihydride ammonium.
7. high filling low density polyethylene (LDPE) blown film master batch according to claim 1 or 2, it is characterised in that: the antioxidant
It is in mass ratio 1~3:1~2:1 mixing composition for antioxidant 1010, antioxidant CA, antioxidant 330.
8. a kind of preparation method of high filling low density polyethylene (LDPE) blown film master batch described in claim 1, it is characterised in that: including
Following steps:
(1) above-mentioned each raw material is mixed evenly by weight；
(2) step (1) mixing material is added to three-screw extruder and carries out extruding pelletization, extruding zone temperature is set are as follows: one section
150 DEG C, two sections 170 DEG C, three sections 180 DEG C, four sections 190 DEG C, five sections 190 DEG C, 190 DEG C of head, setting mixing speed are 300-
500rpm；
(3) particle obtained by step (2) is dried 2~4 hours at 80~110 DEG C, obtains low density polyethylene (LDPE) blown film master batch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910476779.7A CN110172205A (en) | 2019-06-03 | 2019-06-03 | A kind of high filling low density polyethylene (LDPE) blown film master batch and preparation method thereof |
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| CN201910476779.7A CN110172205A (en) | 2019-06-03 | 2019-06-03 | A kind of high filling low density polyethylene (LDPE) blown film master batch and preparation method thereof |
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| CN110172205A true CN110172205A (en) | 2019-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910476779.7A Withdrawn CN110172205A (en) | 2019-06-03 | 2019-06-03 | A kind of high filling low density polyethylene (LDPE) blown film master batch and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112812424A (en) * | 2020-12-25 | 2021-05-18 | 上海日之升科技有限公司 | Lasting antibacterial polypropylene composite material and preparation method thereof |
| CN114753062A (en) * | 2022-04-01 | 2022-07-15 | 浙江工商大学 | Recyclable hand towel and preparation method thereof |
| CN115873331A (en) * | 2021-09-30 | 2023-03-31 | 世界家庭用具制品厂有限公司 | Film and preparation method thereof |
-
2019
- 2019-06-03 CN CN201910476779.7A patent/CN110172205A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112812424A (en) * | 2020-12-25 | 2021-05-18 | 上海日之升科技有限公司 | Lasting antibacterial polypropylene composite material and preparation method thereof |
| CN112812424B (en) * | 2020-12-25 | 2022-07-29 | 上海日之升科技有限公司 | Lasting antibacterial polypropylene composite material and preparation method thereof |
| CN115873331A (en) * | 2021-09-30 | 2023-03-31 | 世界家庭用具制品厂有限公司 | Film and preparation method thereof |
| CN115873331B (en) * | 2021-09-30 | 2024-04-12 | 纳米及先进材料研发院有限公司 | Film and preparation method thereof |
| CN114753062A (en) * | 2022-04-01 | 2022-07-15 | 浙江工商大学 | Recyclable hand towel and preparation method thereof |
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