CN107652542A - A kind of smooth plastic bag material and preparation method thereof - Google Patents

A kind of smooth plastic bag material and preparation method thereof Download PDF

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Publication number
CN107652542A
CN107652542A CN201710952639.3A CN201710952639A CN107652542A CN 107652542 A CN107652542 A CN 107652542A CN 201710952639 A CN201710952639 A CN 201710952639A CN 107652542 A CN107652542 A CN 107652542A
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China
Prior art keywords
stirred
graphite
added
taken
bag material
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Pending
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CN201710952639.3A
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Chinese (zh)
Inventor
潘卫兵
方凌云
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Tongcheng Zhonghui Plastic Industry Co Ltd
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Tongcheng Zhonghui Plastic Industry Co Ltd
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Priority to CN201710952639.3A priority Critical patent/CN107652542A/en
Publication of CN107652542A publication Critical patent/CN107652542A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/10Homopolymers or copolymers of propene
    • C08L23/12Polypropene

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a kind of smooth plastic bag material, it is made up of the raw material of following weight parts:Oleic acid 68, trimethylolpropane 10 12, catalyst 0.01 0.02, oleamide 0.4 1, graphite powder 67, phosphite ester 34, octyl phenyl cyclotetrasiloxane 12, calcium stearate 23, ethylene bis stearamide 0.4 1, aluminium triphosphate 12, polyvinyl alcohol 10 15, polypropylene 110 140, three sad butyl tins 12, potassium permanganate 34.The organically-modified graphite that the plastic packaging bag material of the present invention adds can improve the greasy property of finished product, be blended with lubricating ester, play good synergy.

Description

A kind of smooth plastic bag material and preparation method thereof
Technical field
The invention belongs to packaging material field, and in particular to a kind of smooth plastic bag material and preparation method thereof.
Background technology
Conventional food plastic bag is mostly that polyethylene film is made, and the film is nontoxic, therefore can be used for containing food.Also one Kind of film is made up of polyvinyl chloride, and polyvinyl chloride is also non-toxic in itself, but the additive added according to the purposes of film is often It is harmful material, there is certain toxicity.So this kind of film and the polybag done by the film should not be used for Contain food;But polyethylene, polyvinyl chloride tensile strength are low, relatively thin plastic sheeting, mechanical property are obtained by flow casting molding Can be poor, easily damage;
Polypropylene is a kind of hemicrystalline thermoplastic, has higher impact resistance, and engineering properties is tough, is resisted a variety of Organic solvent and acid and alkali corrosion.It is widely used in industrial quarters, is one of usually common high polymer material;Therefore, this hair Bright purpose is exactly using polypropylene as matrix resin, prepares the plastic bag material that a kind of mechanical property is good, surface is smooth.
The content of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of smooth plastic bag material And preparation method thereof.
To achieve the above object, the present invention uses following technical scheme:
A kind of smooth plastic bag material, it is made up of the raw material of following weight parts:
Oleic acid 6-8, trimethylolpropane 10-12, catalyst 0.01-0.02, oleamide 0.4-1, graphite powder 6-7, Asia Phosphate 3-4, octyl phenyl cyclotetrasiloxane 1-2, calcium stearate 2-3, ethylene bis stearamide 0.4-1, aluminium triphosphate 1- 2nd, polyvinyl alcohol 10-15, polypropylene 110-140, three sad butyl tin 1-2, potassium permanganate 3-4.
Described catalyst is p-methyl benzenesulfonic acid.
A kind of preparation method of smooth plastic bag material, comprises the following steps:
(1) graphite powder is taken, in sulfuric acid solution that be added to 20-30 times of its weight, 96-98%, stirs 30-40 minutes, Potassium permanganate is added, rise temperature is 60-65 DEG C, insulated and stirred 1-2 hours, filtering, precipitation is washed, air drying, obtains oxygen Graphite;
(2) graphite oxide is taken, is added in the absolute ethyl alcohol of 10-15 times of its weight, adds octyl phenyl cyclotetrasiloxane, Ultrasonic 20-30 minutes, obtain graphite dispersing solution at 40-50 DEG C;
(3) aluminium triphosphate is taken, is added in the deionized water of 17-20 times of its weight, the insulated and stirred at 60-70 DEG C 10-20 minutes, trimethylolpropane is added, stirs to normal temperature, obtains propane dispersion liquid;
(4) after taking phosphite ester, oleic acid mixing, the insulated and stirred 1-2 hours at 60-65 DEG C, it is added to above-mentioned propane point In dispersion liquid, rise temperature is 85-90 DEG C, adds catalyst, insulated and stirred 3-5 hours, obtains esterification solution;
(5) above-mentioned esterification solution, graphite dispersing solution mixing are taken, is stirred, addition oleamide, 1000-1400 revs/min Stir 20-30 minutes, filtering, precipitation is washed, air drying, composite graphite filler must be esterified;
(6) ethylene bis stearamide is taken, is added in the absolute ethyl alcohol of 10-14 times of its weight, stirs, adds poly- second Enol, polypropylene, ultrasonic 10-20 minutes, mixed with above-mentioned esterification composite graphite filler, stir, ethanol is distilled off, obtain Graphite modified polypropylene;
(7) above-mentioned graphite modified polypropylene is taken, mixes, stirs, through casting machine with calcium stearate, three sad butyl tins Flow casting molding, produce the smooth plastic bag material.
Advantages of the present invention:
Then the present invention is blended, with to methylbenzene sulphur using oleic acid processing phosphite ester with trimethylolpropane dispersion liquid Acid is catalyst, obtains the oleate with high-lubricity, then the lubricating ester and the graphite of silane treatment is blended, effectively The compatibility between graphite and esterified material is improved, so as to improve the mechanical stability of finished-product material, plastics package of the invention The organically-modified graphite that bag material adds can improve the greasy property of finished product, be blended with lubricating ester, play good collaboration Effect.
Embodiment
Embodiment 1
A kind of smooth plastic bag material, it is made up of the raw material of following weight parts:
Oleic acid 6, trimethylolpropane 10, catalyst 0.01, oleamide 0.4, graphite powder 6, phosphite ester 3, octyl group benzene Basic ring tetrasiloxane 1, calcium stearate 2, ethylene bis stearamide 0.4, aluminium triphosphate 1, polyvinyl alcohol 10, polypropylene 110, three Sad butyl tin 1, potassium permanganate 3.
Described catalyst is p-methyl benzenesulfonic acid.
A kind of preparation method of smooth plastic bag material, comprises the following steps:
(1) graphite powder is taken, is added in 20 times of its weight, 96% sulfuric acid solution, is stirred 30 minutes, adds permanganic acid Potassium, rise temperature are 60 DEG C, insulated and stirred 1 hour, filtering, precipitation are washed, air drying, obtains graphite oxide;
(2) graphite oxide is taken, is added in the absolute ethyl alcohol of 10 times of its weight, adds octyl phenyl cyclotetrasiloxane, Ultrasound 20 minutes, obtain graphite dispersing solution at 40 DEG C;
(3) aluminium triphosphate is taken, is added in the deionized water of 17 times of its weight, insulated and stirred 10 minutes at 60 DEG C, Trimethylolpropane is added, stirs to normal temperature, obtains propane dispersion liquid;
(4) after taking phosphite ester, oleic acid mixing, insulated and stirred 1 hour at 60 DEG C, it is added to above-mentioned propane dispersion liquid In, rise temperature is 85 DEG C, adds catalyst, insulated and stirred 3 hours, obtains esterification solution;
(5) above-mentioned esterification solution, graphite dispersing solution mixing are taken, is stirred, adds oleamide, 1000 revs/min of stirrings 20 minutes, filtering, precipitation is washed, air drying, composite graphite filler must be esterified;
(6) ethylene bis stearamide is taken, is added in the absolute ethyl alcohol of 10 times of its weight, stirs, adds polyethylene Alcohol, polypropylene, ultrasound 10 minutes, mix with above-mentioned esterification composite graphite filler, stir, ethanol is distilled off, obtain graphite Modified polypropene;
(7) above-mentioned graphite modified polypropylene is taken, mixes, stirs, through casting machine with calcium stearate, three sad butyl tins Flow casting molding, produce the smooth plastic bag material.
Embodiment 2
A kind of smooth plastic bag material, it is made up of the raw material of following weight parts:
Oleic acid 8, trimethylolpropane 12, catalyst 0.02, oleamide 1, graphite powder 7, phosphite ester 4, octyl phenyl Cyclotetrasiloxane 2, calcium stearate 3, ethylene bis stearamide 1, aluminium triphosphate 2, polyvinyl alcohol 15, the octanoic acid of polypropylene 140, three Butyl tin 2, potassium permanganate 4.
Described catalyst is p-methyl benzenesulfonic acid.
A kind of preparation method of smooth plastic bag material, comprises the following steps:
(1) graphite powder is taken, is added in 30 times of its weight, 98% sulfuric acid solution, is stirred 40 minutes, adds permanganic acid Potassium, rise temperature are 65 DEG C, insulated and stirred 2 hours, filtering, precipitation are washed, air drying, obtains graphite oxide;
(2) graphite oxide is taken, is added in the absolute ethyl alcohol of 15 times of its weight, adds octyl phenyl cyclotetrasiloxane, Ultrasound 30 minutes, obtain graphite dispersing solution at 50 DEG C;
(3) aluminium triphosphate is taken, is added in the deionized water of 20 times of its weight, insulated and stirred 20 minutes at 70 DEG C, Trimethylolpropane is added, stirs to normal temperature, obtains propane dispersion liquid;
(4) after taking phosphite ester, oleic acid mixing, insulated and stirred 2 hours at 65 DEG C, it is added to above-mentioned propane dispersion liquid In, rise temperature is 90 DEG C, adds catalyst, insulated and stirred 5 hours, obtains esterification solution;
(5) above-mentioned esterification solution, graphite dispersing solution mixing are taken, is stirred, adds oleamide, 1400 revs/min of stirrings 30 minutes, filtering, precipitation is washed, air drying, composite graphite filler must be esterified;
(6) ethylene bis stearamide is taken, is added in the absolute ethyl alcohol of 14 times of its weight, stirs, adds polyethylene Alcohol, polypropylene, ultrasound 20 minutes, mix with above-mentioned esterification composite graphite filler, stir, ethanol is distilled off, obtain graphite Modified polypropene;
(7) above-mentioned graphite modified polypropylene is taken, mixes, stirs, through casting machine with calcium stearate, three sad butyl tins Flow casting molding, produce the smooth plastic bag material.
Performance test:
MFR(g/10min):2.5-3;
Elongation at break:690-750%;
The smooth no granular sensation in surface, uniformity are good;
The elongation at break of commercially available plastic packaging bag material is 500-600%;
As can be seen that the plastic packaging bag material of the present invention has more preferable mechanical property.

Claims (3)

1. a kind of smooth plastic bag material, it is characterised in that it is made up of the raw material of following weight parts:
Oleic acid 6-8, trimethylolpropane 10-12, catalyst 0.01-0.02, oleamide 0.4-1, graphite powder 6-7, phosphorous acid It is ester 3-4, octyl phenyl cyclotetrasiloxane 1-2, calcium stearate 2-3, ethylene bis stearamide 0.4-1, aluminium triphosphate 1-2, poly- Vinyl alcohol 10-15, polypropylene 110-140, three sad butyl tin 1-2, potassium permanganate 3-4.
2. a kind of smooth plastic bag material according to claim 1, it is characterised in that described catalyst is pair Toluene sulfonic acide.
3. a kind of preparation method of smooth plastic bag material as claimed in claim 1, it is characterised in that including following Step:
(1) graphite powder is taken, in sulfuric acid solution that be added to 20-30 times of its weight, 96-98%, 30-40 minutes is stirred, adds Potassium permanganate, rise temperature are 60-65 DEG C, insulated and stirred 1-2 hours, filtering, precipitation are washed, air drying, obtains oxidation stone Ink;
(2) graphite oxide is taken, is added in the absolute ethyl alcohol of 10-15 times of its weight, adds octyl phenyl cyclotetrasiloxane, Ultrasonic 20-30 minutes, obtain graphite dispersing solution at 40-50 DEG C;
(3) aluminium triphosphate is taken, is added in the deionized water of 17-20 times of its weight, the insulated and stirred 10-20 at 60-70 DEG C Minute, trimethylolpropane is added, stirs to normal temperature, obtains propane dispersion liquid;
(4) after taking phosphite ester, oleic acid mixing, the insulated and stirred 1-2 hours at 60-65 DEG C, it is added to above-mentioned propane dispersion liquid In, rise temperature is 85-90 DEG C, adds catalyst, insulated and stirred 3-5 hours, obtains esterification solution;
(5) above-mentioned esterification solution, graphite dispersing solution mixing are taken, is stirred, adds oleamide, 1000-1400 revs/min of stirring 20-30 minutes, filtering, precipitation is washed, air drying, composite graphite filler must be esterified;
(6) ethylene bis stearamide is taken, is added in the absolute ethyl alcohol of 10-14 times of its weight, stirs, adds polyethylene Alcohol, polypropylene, ultrasonic 10-20 minutes, mixed with above-mentioned esterification composite graphite filler, stir, ethanol is distilled off, obtain stone Black modified polypropene;
(7) above-mentioned graphite modified polypropylene is taken, is mixed with calcium stearate, three sad butyl tins, is stirred, be cast through casting machine Shaping, produces the smooth plastic bag material.
CN201710952639.3A 2017-10-13 2017-10-13 A kind of smooth plastic bag material and preparation method thereof Pending CN107652542A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108485069A (en) * 2018-04-20 2018-09-04 袁杰 A kind of preparation method of plastics slipping agent

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103601961A (en) * 2013-10-20 2014-02-26 安徽嘉木橡塑工业有限公司 High strength anti-microbial packaging bag
CN103770420A (en) * 2014-01-10 2014-05-07 海南赛诺实业有限公司 Frozen packaging film and manufacturing method thereof
CN105800063A (en) * 2016-04-14 2016-07-27 太仓市源创包装材料厂 Freshness retaining and bacterium inhibiting plastic packaging bag for foods
CN105860268A (en) * 2016-06-18 2016-08-17 李文东 Food packaging film and preparation method thereof
CN106279987A (en) * 2016-08-15 2017-01-04 桐城市人和包装有限公司 A kind of antibacterial nano plastic packaging material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103601961A (en) * 2013-10-20 2014-02-26 安徽嘉木橡塑工业有限公司 High strength anti-microbial packaging bag
CN103770420A (en) * 2014-01-10 2014-05-07 海南赛诺实业有限公司 Frozen packaging film and manufacturing method thereof
CN105800063A (en) * 2016-04-14 2016-07-27 太仓市源创包装材料厂 Freshness retaining and bacterium inhibiting plastic packaging bag for foods
CN105860268A (en) * 2016-06-18 2016-08-17 李文东 Food packaging film and preparation method thereof
CN106279987A (en) * 2016-08-15 2017-01-04 桐城市人和包装有限公司 A kind of antibacterial nano plastic packaging material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108485069A (en) * 2018-04-20 2018-09-04 袁杰 A kind of preparation method of plastics slipping agent

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Application publication date: 20180202

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