CN108948530A - A kind of polypropylene packaging material - Google Patents
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C08L2205/00—Polymer mixtures characterised by other features
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Abstract
The invention discloses a kind of polypropylene packaging materials, its raw material includes: 80-90 parts of polypropylene by weight, 3-10 parts of styrene analog thermoplastic elastomer, 3-9 parts of ethylene-l-octane copolymer, 4-12 parts of starch, 0.2-0.7 parts of nucleating agent, 0.12-0.28 parts of antioxidant, 0.14-0.3 parts of calcium stearate, 3-6 parts of nano zine oxide, 5-13 parts of aluminium oxide, 4-11 parts of kaolin, 4-9 parts of conch meal, 5-12 parts of lignin, 3-10 parts of nano-cellulose whisker, 5-13 parts of melamine pyrophosphate, 3-9 parts of calcium sulfate, 3-9 parts of urea, 2-5 parts of ethylene glycol, 2-3.8 parts of containing hydrogen silicone oil, 0.5-2 parts of cetyl pyridinium bromide.Polypropylene packaging material proposed by the present invention, water resistance and flexibility are good, and thermal stability is high, excellent fireproof performance.
Description
Technical field
The present invention relates to field of packaging material more particularly to a kind of polypropylene packaging materials.
Background technique
Polypropylene is light, heat-resisting, moisture resistance is excellent, nontoxic, is widely used in terms of packaging material.But polypropylene material
Expect that deformation occurs for meeting when the power being subject to is larger, the crackle of generation changes with interface and brittle fracture occurs, and flexibility is poor, gathers simultaneously
The flame retardant property of propylene is poor, is subject to certain restrictions its application, this constrain significantly polypropylene packaging material field into
One step promotes and applies.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of polypropylene packaging material, water resistance and
Flexibility is good, and thermal stability is high, excellent fireproof performance.
A kind of polypropylene packaging material proposed by the present invention, raw material include: 80-90 parts of polypropylene, benzene second by weight
3-10 parts of ethylenic thermoplastic elastomer, 3-9 parts of ethylene-l-octane copolymer, 4-12 parts of starch, 0.2-0.7 parts of nucleating agent, antioxygen
0.12-0.28 parts of agent, 0.14-0.3 parts of calcium stearate, 3-6 parts of nano zine oxide, 5-13 parts of aluminium oxide, 4-11 parts of kaolin, shellfish
4-9 parts of shell powder, 5-12 parts of lignin, 3-10 parts of nano-cellulose whisker, 5-13 parts of melamine pyrophosphate, 3-9 parts of calcium sulfate,
3-9 parts of urea, 2-5 parts of ethylene glycol, 2-3.8 parts of containing hydrogen silicone oil, 0.5-2 parts of cetyl pyridinium bromide.
Preferably, the styrene analog thermoplastic elastomer is styrene-butadiene block copolymer, styrene-isoamyl
The mixture of diene block copolymer, SEBS, and ethylene-butadiene block copolymer, styrene-isoprene block copolymerization
Object, SEBS weight ratio be 3-10:4-13:2-9.
Preferably, the starch is the mixture of one or more of cornstarch, wheaten starch, starch from sweet potato.
Preferably, the nucleating agent is 2-mercaptobenzimidazole, 2,6- cyclohexanedimethanol amide, to dimethyldibenzylidene
The mixture of base sorbierite, 2,2- methylene-two (4,6- di-n-butyl phenol) sodium phosphate, and 2-mercaptobenzimidazole, 2,6-
Cyclohexanedimethanol amide, to dimethyldibenzylidenesorbitol, 2,2- methylene-two (4,6- di-n-butyl phenol) sodium phosphate
Weight ratio be 2-9:2-9:3-11:4-8.
Preferably, the nano zine oxide is modified nano zinc oxide；The modified nano zinc oxide is according to following technique
It is prepared: nano zine oxide being modified using 3- aminopropyl ortho-siliformic acid as modifying agent, obtains material A；Perfluor is gathered
Ether acyl fluorides is added to absolute ethanol, and stirs 2-3h at room temperature, is warming up to 60-75 DEG C of reaction 2-4h, and post-processing obtains material B；It will
Material B is mixed with material A, is warming up to 45-55 DEG C under the protection of argon gas, is stirred to react 4-8h, cooling after reaction, addition
Dehydrated alcohol and fluorous solvent stand, separate, being dried to obtain the modified nano zinc oxide.
Preferably, 3- aminopropyl ortho-siliformic acid, nano zine oxide weight ratio be 2-4:23-37；Material B and material A
Weight ratio be 5-11:22-35.
Preferably, the average grain diameter of the nano zine oxide is 40-55nm, specific surface area 30-45m2/g。
Polypropylene packaging material of the present invention can be prepared according to conventional PP composite material preparation process.
Polypropylene packaging material of the present invention in raw material, using polypropylene as major ingredient, while joined phenylethylene heat
Thermoplastic elastic, ethylene-l-octane copolymer and starch are cooperated, and four compatibility is good, and performance collaboration promotes, and assign packet
The superior flexibility of package material and good tensile property and impact property, and it is easy to process；Nucleating agent is specifically chosen 2- sulfydryl
Benzimidazole, 2,6- cyclohexanedimethanol amide, to dimethyldibenzylidenesorbitol, (the positive fourth of 4,6- bis- of 2,2- methylene-two
Base phenol) sodium phosphate mixture, cooperate with the performance of each nucleating agent, significantly reduce the regularity of polypropylene molecular chain, expand
The big range of amorphous domain, while polyacrylic crystallization is rationally controlled, spherulite size is reduced, nucleus number is increased
Amount makes gained packaging material have excellent light transmittance, tensile strength, flexibility and heat distortion temperature；Preferred embodiment modification is received
In the preparation process of rice zinc oxide, nano zine oxide is modified using 3- aminopropyl ortho-siliformic acid as modifying agent first,
Amino has been introduced into the surface of nano zine oxide, has obtained material A, with perfluoropolyether acyl fluorides and dehydrated alcohol hybrid reaction,
Perfluoropolyether ethyl ester, i.e. material B are obtained, after material B is mixed with material A, material B can be with the amino of surface of nanometer zinc oxide
It reacts, so that perfluoropolyether acyl fluorides and 3- aminopropyl ortho-siliformic acid to be introduced into the surface of nano zine oxide, obtains
Modified nano zinc oxide, is added into system, is uniformly dispersed in system, on the one hand, because introducing fluorine element silicon, can show
The surface energy for reducing material is write, assigns packaging material excellent water resistance, on the other hand, with aluminium oxide, kaolin, shell
Powder, calcium sulfate and the cooperation of nano-cellulose whisker, have further refined polyacrylic crystal grain, play excellent toughening enhancing effect
Fruit, while can be reduced the generation of carbonyl in system, assign packaging material excellent resistance to ag(e)ing and thermal stability；Containing hydrogen silicone oil and
In cetyl pyridinium bromide addition system, compatibility of each inorganic raw material in system is improved, keeps the heat of packaging material steady
Qualitative raising, while mechanical property is improved；In urea and ethylene glycol addition system, the good dispersion in system can be broken
Hydrogen bond between the bad starch molecule being added with intramolecular, plays effective plasticization, overcomes because the addition of starch causes
Defect；Carbon source is used as in lignin addition system, melamine pyrophosphate is as gas source and acid source, in the process of material combustion
In, melamine pyrophosphate is generated the oxyacid of phosphorus by thermal decomposition, and lignin is dehydrated into charcoal, forms layer of charcoal on the surface of the material,
Completely cut off the entrance of extraneous oxygen, while phosphorus oxyacid can cover the surface of layer of charcoal, protection layer of charcoal is not oxidized, while pyrophosphoric acid trimerization
Cyanamide can release water vapour and ammonia etc., promote after the two cooperation, to assign packaging material excellent resistance at charcoal, diluent air
Performance is fired, while the free radical that the Hinered phenols structural unit that generates can generate in capture system when lignin decomposes, into one
Step improves the thermal stability of packaging material.
Its vertical combustion grade (UL-94) of polypropylene packaging material of the present invention reaches V-0 grades.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of polypropylene packaging material proposed by the present invention, raw material include: 90 parts of polypropylene, phenylethylene by weight
3 parts of thermoplastic elastomer (TPE), 9 parts of ethylene-l-octane copolymer, 4 parts of starch, 0.7 part of nucleating agent, 0.12 part of antioxidant, stearic acid
0.3 part of calcium, 3 parts of nano zine oxide, 13 parts of aluminium oxide, 4 parts of kaolin, 9 parts of conch meal, 5 parts of lignin, nano-cellulose whisker
10 parts, 5 parts of melamine pyrophosphate, 9 parts of calcium sulfate, 3 parts of urea, 5 parts of ethylene glycol, 2 parts of containing hydrogen silicone oil, cetyl bromination pyrrole
2 parts of pyridine.
Embodiment 2
A kind of polypropylene packaging material proposed by the present invention, raw material include: 80 parts of polypropylene, phenylethylene by weight
10 parts of thermoplastic elastomer (TPE), 3 parts of ethylene-l-octane copolymer, 12 parts of starch, 0.2 part of nucleating agent, 0.28 part of antioxidant, tristearin
0.14 part of sour calcium, 6 parts of nano zine oxide, 5 parts of aluminium oxide, 11 parts of kaolin, 4 parts of conch meal, 12 parts of lignin, nano-cellulose
3 parts of whisker, 13 parts of melamine pyrophosphate, 3 parts of calcium sulfate, 9 parts of urea, 2 parts of ethylene glycol, 3.8 parts of containing hydrogen silicone oil, cetyl
0.5 part of pyridinium bromide.
Embodiment 3
A kind of polypropylene packaging material proposed by the present invention, raw material include: 87 parts of polypropylene, phenylethylene by weight
5 parts of thermoplastic elastomer (TPE), 8 parts of ethylene-l-octane copolymer, 6 parts of starch, 0.62 part of nucleating agent, 0.2 part of antioxidant, stearic acid
0.27 part of calcium, 3.8 parts of nano zine oxide, 11 parts of aluminium oxide, 7 parts of kaolin, 8.3 parts of conch meal, 7 parts of lignin, nanofiber
9.3 parts of plain whisker, 7 parts of melamine pyrophosphate, 8.3 parts of calcium sulfate, 5 parts of urea, 4.3 parts of ethylene glycol, 2.5 parts of containing hydrogen silicone oil,
1.8 parts of cetyl pyridinium bromide；
Wherein, the styrene analog thermoplastic elastomer is styrene-butadiene block copolymer, styrene-isoamyl two
The mixture of alkene block copolymer, SEBS, and ethylene-butadiene block copolymer, styrene-isoprene block copolymer,
The weight ratio of SEBS is 3:13:2；
The starch is cornstarch；
The nucleating agent is 2-mercaptobenzimidazole, 2,6- cyclohexanedimethanol amide, to dimethyldibenzylidene sorbitol
The mixture of alcohol, 2,2- methylene-two (4,6- di-n-butyl phenol) sodium phosphate, and 2-mercaptobenzimidazole, 2,6- benzene diformazan
Sour Cyclohexamide, to the weight of dimethyldibenzylidenesorbitol, 2,2- methylene-two (4,6- di-n-butyl phenol) sodium phosphate
Than for 2:9:3:8；
The nano zine oxide is modified nano zinc oxide；The modified nano zinc oxide is according to following technique system
It is standby: nano zine oxide being modified using 3- aminopropyl ortho-siliformic acid as modifying agent, obtains material A；By perfluoropolyether acyl fluorides
It is added to absolute ethanol, stirs 2h at room temperature, be warming up to 75 DEG C of reaction 2h, post-processing obtains material B；Material B is mixed with material A
It closes, 55 DEG C is warming up under the protection of argon gas, is stirred to react 4h, cooling after reaction, addition dehydrated alcohol and fluorous solvent are quiet
It sets, separate, being dried to obtain the modified nano zinc oxide；Wherein, the weight ratio of 3- aminopropyl ortho-siliformic acid, nano zine oxide
For 4:23；The weight ratio of material B and material A is 11:22；
The average grain diameter of the nano zine oxide is 55nm, specific surface area 30m2/g。
Embodiment 4
A kind of polypropylene packaging material proposed by the present invention, raw material include: 83 parts of polypropylene, phenylethylene by weight
It is 8 parts of thermoplastic elastomer (TPE), 4.2 parts of ethylene-l-octane copolymer, 10 parts of starch, 0.35 part of nucleating agent, 0.25 part of antioxidant, hard
0.19 part of resin acid calcium, 5.3 parts of nano zine oxide, 7 parts of aluminium oxide, 10 parts of kaolin, 5.2 parts of conch meal, lignin 10 part, nanometer
4.2 parts of cellulose whiskers, 11 parts of melamine pyrophosphate, 4.2 parts of calcium sulfate, 8.2 parts of urea, 2.8 parts of ethylene glycol, containing hydrogen silicone oil
3.6 parts, 1 part of cetyl pyridinium bromide；
Wherein, the styrene analog thermoplastic elastomer is styrene-butadiene block copolymer, styrene-isoamyl two
The mixture of alkene block copolymer, SEBS, and ethylene-butadiene block copolymer, styrene-isoprene block copolymer,
The weight ratio of SEBS is 10:4:9；
The starch is the mixture of wheaten starch, starch from sweet potato, and the weight ratio of wheaten starch, starch from sweet potato is 3:4；
The nucleating agent is 2-mercaptobenzimidazole, 2,6- cyclohexanedimethanol amide, to dimethyldibenzylidene sorbitol
The mixture of alcohol, 2,2- methylene-two (4,6- di-n-butyl phenol) sodium phosphate, and 2-mercaptobenzimidazole, 2,6- benzene diformazan
Sour Cyclohexamide, to the weight of dimethyldibenzylidenesorbitol, 2,2- methylene-two (4,6- di-n-butyl phenol) sodium phosphate
Than for 9:2:11:4；
The nano zine oxide is modified nano zinc oxide；The modified nano zinc oxide is according to following technique system
It is standby: nano zine oxide being modified using 3- aminopropyl ortho-siliformic acid as modifying agent, obtains material A；By perfluoropolyether acyl fluorides
It is added to absolute ethanol, stirs 3h at room temperature, be warming up to 60 DEG C of reaction 4h, post-processing obtains material B；Material B is mixed with material A
It closes, 45 DEG C is warming up under the protection of argon gas, is stirred to react 8h, cooling after reaction, addition dehydrated alcohol and fluorous solvent are quiet
It sets, separate, being dried to obtain the modified nano zinc oxide；Wherein, the weight ratio of 3- aminopropyl ortho-siliformic acid, nano zine oxide
For 2:37；The weight ratio of material B and material A is 5:35；
The average grain diameter of the nano zine oxide is 40nm, specific surface area 45m2/g。
Embodiment 5
A kind of polypropylene packaging material proposed by the present invention, raw material include: 86 parts of polypropylene, phenylethylene by weight
7 parts of thermoplastic elastomer (TPE), 6 parts of ethylene-l-octane copolymer, 9 parts of starch, 0.55 part of nucleating agent, 0.19 part of antioxidant, stearic acid
0.21 part of calcium, 4.3 parts of nano zine oxide, 8.7 parts of aluminium oxide, 9 parts of kaolin, 6.2 parts of conch meal, 11 parts of lignin, Nanowire
Tie up plain 7.5 parts of whisker, 9 parts of melamine pyrophosphate, 6.3 parts of calcium sulfate, 6.8 parts of urea, 3.7 parts of ethylene glycol, containing hydrogen silicone oil 2.9
Part, 1.3 parts of cetyl pyridinium bromide；
Wherein, the styrene analog thermoplastic elastomer is styrene-butadiene block copolymer, styrene-isoamyl two
The mixture of alkene block copolymer, SEBS, and ethylene-butadiene block copolymer, styrene-isoprene block copolymer,
The weight ratio of SEBS is 7:9:5；
The starch is the mixture of cornstarch, wheaten starch, starch from sweet potato, and cornstarch, wheaten starch, sweet potato
The weight ratio of starch is 3:5:2；
The nucleating agent is 2-mercaptobenzimidazole, 2,6- cyclohexanedimethanol amide, to dimethyldibenzylidene sorbitol
The mixture of alcohol, 2,2- methylene-two (4,6- di-n-butyl phenol) sodium phosphate, and 2-mercaptobenzimidazole, 2,6- benzene diformazan
Sour Cyclohexamide, to the weight of dimethyldibenzylidenesorbitol, 2,2- methylene-two (4,6- di-n-butyl phenol) sodium phosphate
Than for 6:7:9:7；
The nano zine oxide is modified nano zinc oxide；The modified nano zinc oxide is according to following technique system
It is standby: nano zine oxide being modified using 3- aminopropyl ortho-siliformic acid as modifying agent, obtains material A；By perfluoropolyether acyl fluorides
It is added to absolute ethanol, stirs 2.7h at room temperature, be warming up to 68 DEG C of reaction 3h, post-processing obtains material B；By material B and material A
Mixing, 49 DEG C are warming up under the protection of argon gas, is stirred to react 6.5h, and cooling after reaction, addition dehydrated alcohol and fluorine are molten
Agent stands, separates, being dried to obtain the modified nano zinc oxide；Wherein, 3- aminopropyl ortho-siliformic acid, nano zine oxide
Weight ratio is 3:29；The weight ratio of material B and material A is 8:29；
The average grain diameter of the nano zine oxide is 48nm, specific surface area 39m2/g。
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of polypropylene packaging material, which is characterized in that its raw material includes: 80-90 parts of polypropylene, phenylethylene by weight
3-10 parts of thermoplastic elastomer (TPE), 3-9 parts of ethylene-l-octane copolymer, 4-12 parts of starch, 0.2-0.7 parts of nucleating agent, antioxidant
0.12-0.28 parts, 0.14-0.3 parts of calcium stearate, 3-6 parts of nano zine oxide, 5-13 parts of aluminium oxide, 4-11 parts of kaolin, shell
4-9 parts of powder, 5-12 parts of lignin, 3-10 parts of nano-cellulose whisker, 5-13 parts of melamine pyrophosphate, 3-9 parts of calcium sulfate, urine
3-9 parts plain, 2-5 parts of ethylene glycol, 2-3.8 parts of containing hydrogen silicone oil, 0.5-2 parts of cetyl pyridinium bromide.
2. polypropylene packaging material according to claim 1, which is characterized in that the styrene analog thermoplastic elastomer is benzene
Ethylene-butadiene block copolymer, styrene-isoprene block copolymer, SEBS mixture, and ethylene-butylene is embedding
Section copolymer, styrene-isoprene block copolymer, SEBS weight ratio be 3-10:4-13:2-9.
3. polypropylene packaging material according to claim 1 or claim 2, which is characterized in that the starch is cornstarch, wheat shallow lake
The mixture of one or more of powder, starch from sweet potato.
4. polypropylene packaging material described in any one of -3 according to claim 1, which is characterized in that the nucleating agent is 2- sulfydryl
Benzimidazole, 2,6- cyclohexanedimethanol amide, to dimethyldibenzylidenesorbitol, (the positive fourth of 4,6- bis- of 2,2- methylene-two
Base phenol) sodium phosphate mixture, and 2-mercaptobenzimidazole, 2,6- cyclohexanedimethanol amide, to dimethyldibenzylidene
Sorbierite, 2,2- methylene-two (4,6- di-n-butyl phenol) sodium phosphate weight ratio be 2-9:2-9:3-11:4-8.
5. polypropylene packaging material described in any one of -4 according to claim 1, which is characterized in that the nano zine oxide is to change
Property nano zine oxide；The modified nano zinc oxide is prepared according to following technique: being to change with 3- aminopropyl ortho-siliformic acid
Property agent is modified nano zine oxide, obtains material A；Perfluoropolyether acyl fluorides is added to absolute ethanol, stirs 2- at room temperature
3h, is warming up to 60-75 DEG C of reaction 2-4h, and post-processing obtains material B；Material B is mixed with material A, is risen under the protection of argon gas
Temperature is stirred to react 4-8h to 45-55 DEG C, cooling after reaction, dehydrated alcohol and fluorous solvent is added, and stands, is separation, dry
To the modified nano zinc oxide.
6. polypropylene packaging material according to claim 5, which is characterized in that 3- aminopropyl ortho-siliformic acid, nano oxidized
The weight ratio of zinc is 2-4:23-37；The weight ratio of material B and material A is 5-11:22-35.
7. according to the polypropylene packaging material of claim 5 or 6, which is characterized in that the average grain diameter of the nano zine oxide
For 40-55nm, specific surface area 30-45m2/g。
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112538212A (en) * | 2020-12-22 | 2021-03-23 | 苏州润佳高分子材料有限公司 | Low precipitation polypropylene composites |
| CN113056513A (en) * | 2018-12-21 | 2021-06-29 | 乐天化学株式会社 | Thermoplastic resin composition and molded article produced therefrom |
| US11718739B2 (en) | 2018-03-30 | 2023-08-08 | Lotte Chemical Corporation | Thermoplastic resin composition and molded article produced therefrom |
| EP4183827A4 (en) * | 2020-07-15 | 2024-08-14 | Adeka Corp | Additive composition, resin composition containing same, and molded article of said resin composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11718739B2 (en) | 2018-03-30 | 2023-08-08 | Lotte Chemical Corporation | Thermoplastic resin composition and molded article produced therefrom |
| CN113056513A (en) * | 2018-12-21 | 2021-06-29 | 乐天化学株式会社 | Thermoplastic resin composition and molded article produced therefrom |
| US11661505B2 (en) | 2018-12-21 | 2023-05-30 | Lotte Chemical Corporation | Thermoplastic resin composition and molded article produced therefrom |
| EP4183827A4 (en) * | 2020-07-15 | 2024-08-14 | Adeka Corp | Additive composition, resin composition containing same, and molded article of said resin composition |
| CN112538212A (en) * | 2020-12-22 | 2021-03-23 | 苏州润佳高分子材料有限公司 | Low precipitation polypropylene composites |
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Application publication date: 20181207 |