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 PDFInfo
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- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710952639.3A CN107652542A (en) | 2017-10-13 | 2017-10-13 | A kind of smooth plastic bag material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710952639.3A CN107652542A (en) | 2017-10-13 | 2017-10-13 | A kind of smooth plastic bag material and preparation method thereof |
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| CN107652542A true CN107652542A (en) | 2018-02-02 |
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Cited By (1)
| 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)
| 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 |
-
2017
- 2017-10-13 CN CN201710952639.3A patent/CN107652542A/en active Pending
Patent Citations (5)
| 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)
| 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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