CN107540926A - A kind of inexpensive toughened plastics bag material and preparation method thereof - Google Patents
A kind of inexpensive toughened plastics bag material and preparation method thereof Download PDFInfo
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- CN107540926A CN107540926A CN201710953195.5A CN201710953195A CN107540926A CN 107540926 A CN107540926 A CN 107540926A CN 201710953195 A CN201710953195 A CN 201710953195A CN 107540926 A CN107540926 A CN 107540926A
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Abstract
The invention discloses a kind of inexpensive toughened plastics bag material, it is made up of the raw material of following weight parts:Biomass fiber 20 30, sym-closene 24, polyvinyl alcohol 26 30, alkylolamides 12, palm wax 57,8 oxyquinolines 0.4 1, ethylene-vinyl acetate copolymer 130 150, zinc hydroxyl stannate 24, ethoxylated alkyl ammonium sulfate 12, nano-calcium carbonate 8 10, hydroxy-ethyl acrylate 35, trimethylolpropane 0.7 1, effectively raise the stability of finished plastic material.The present invention effectively reduces production cost using sisal fiber as biomass material, while improves the pliability of finished plastic, improves tearing toughness.
Description
Technical field
The invention belongs to polybag field, and in particular to a kind of inexpensive toughened plastics 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;
At present, common plasticses are made by petrochemical material mostly, the expansion type application of plastics so that oil rapidly exploited and
It is utilized to produce plastics, the unsustainable development of the non-renewable and energy of resource, just triggers " energy crisis " quickly;
Therefore, study that a kind of mechanical property is good, inexpensive plastic bag material just seems especially necessary.
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 inexpensive toughened plastics bag material
And preparation method thereof.
To achieve the above object, the present invention uses following technical scheme:
A kind of inexpensive toughened plastics bag material, it is made up of the raw material of following weight parts:
Biomass fiber 20-30, sym-closene 2-4, polyvinyl alcohol 26-30, alkylolamides 1-2, palm wax 5-
7th, 8-hydroxyquinoline 0.4-1, ethylene-vinyl acetate copolymer 130-150, zinc hydroxyl stannate 2-4, ethoxylated alkyl ammonium sulfate
1-2, nano-calcium carbonate 8-10, hydroxy-ethyl acrylate 3-5, trimethylolpropane 0.7-1.
Described biomass fiber is sisal fiber.
A kind of preparation method of inexpensive toughened plastics bag material, comprises the following steps:
(1) 8-hydroxyquinoline is taken, is added in the absolute ethyl alcohol of 10-14 times of its weight, stirs, adds palm wax,
It is sent in 80-85 DEG C of water bath with thermostatic control, insulated and stirred 20-30 minutes, discharges, adds alkylolamides, stir to normal temperature, obtain
Premix alcoholic solution;
(2) biomass fiber is taken, is added in its weight 0.6-1mol/l sulfuric acid solution, soaks 2-3 hours, discharge water
Wash, dry, milling, mixed with ethoxylated alkyl ammonium sulfate, be added in the deionized water of 10-14 times of compound weight, stir
Mix uniformly, obtain fiber dispersion;
(3) nano-calcium carbonate is taken, is added in above-mentioned premix alcoholic solution, stirs, adds trimethylolpropane, ultrasound
10-20 minutes, obtain organic carbonate calcium dispersion liquid;
(4) zinc hydroxyl stannate is taken, is added in the dimethylformamide of 3-4 times of its weight, stirs, adds acrylic acid
Hydroxyl ethyl ester, rise temperature is 65-70 DEG C, insulated and stirred 1-2 hours, mixes, stirs with above-mentioned organic carbonate calcium dispersion liquid,
Obtain composite solution;
(5) sym-closene, ethylene-vinyl acetate copolymer are taken, is stirred, is added in above-mentioned composite solution,
It is sent in 90-95 DEG C of oil bath, insulated and stirred 1-2 hours, discharges, add fiber dispersion, stir, filters, will be heavy
Form sediment and wash, 1-2 hours are dried at 50-60 DEG C of vacuum, normal temperature is cooled to, obtains filler modified polymer;
(6) above-mentioned filler modified polymer is taken, with polyvinyl alcohol, is stirred, through casting machine flow casting molding, is produced
The inexpensive toughened plastics bag material.
Advantages of the present invention:
Nano-calcium carbonate is distributed in alcoholic solution by the present invention, is modified by trimethylolpropane, the carbon to be organised
Sour calcium, then the amide solution of itself and zinc hydroxyl stannate is blended, forms zinc hydroxyl stannate, the blending alcohol solution of calcium carbonate
System, copolymer is then handled using uric acid, is blended with the blending alcoholic solution system of zinc hydroxyl stannate, calcium carbonate, by uric acid with
The esterification of alcohol, zinc hydroxyl stannate, Calcium Carbonate Composite Fillers are effectively distributed between polymer, carboxylate, effectively
Improve the stability of finished plastic material.The present invention is effectively reduced and is produced into using sisal fiber as biomass material
This, while the pliability of finished plastic is improved, improve tearing toughness.
Embodiment
Embodiment 1
A kind of inexpensive toughened plastics bag material, it is made up of the raw material of following weight parts:
Biomass fiber 30, sym-closene 4, polyvinyl alcohol 30, alkylolamides 2, palm wax 7,8-hydroxyquinoline
1st, ethylene-vinyl acetate copolymer 150, zinc hydroxyl stannate 4, ethoxylated alkyl ammonium sulfate 2, nano-calcium carbonate 8-10, propylene
Sour hydroxyl ethyl ester 5, trimethylolpropane 1.
Described biomass fiber is sisal fiber.
A kind of preparation method of inexpensive toughened plastics bag material, comprises the following steps:
(1) 8-hydroxyquinoline is taken, is added in the absolute ethyl alcohol of 14 times of its weight, stirs, adds palm wax, is sent into
Into 80-85 DEG C of water bath with thermostatic control, insulated and stirred 30 minutes, discharging, alkylolamides is added, stirs to normal temperature, obtains premix alcohol
Solution;
(2) biomass fiber is taken, is added in its weight 1mol/l sulfuric acid solution, is soaked 3 hours, discharging washing, is done
It is dry, milling, mixed with ethoxylated alkyl ammonium sulfate, be added in the deionized water of 14 times of compound weight, stir, obtain
Fiber dispersion;
(3) nano-calcium carbonate is taken, is added in above-mentioned premix alcoholic solution, stirs, adds trimethylolpropane, ultrasound
10-20 minutes, obtain organic carbonate calcium dispersion liquid;
(4) zinc hydroxyl stannate is taken, is added in the dimethylformamide of 4 times of its weight, stirs, adds acrylic acid hydroxyl
Ethyl ester, rise temperature is 70 DEG C, insulated and stirred 2 hours, mixes, stirs with above-mentioned organic carbonate calcium dispersion liquid, obtain compound
Solution;
(5) sym-closene, ethylene-vinyl acetate copolymer are taken, is stirred, is added in above-mentioned composite solution,
It is sent in 95 DEG C of oil bath, insulated and stirred 2 hours, discharges, add fiber dispersion, stir, filters, water will be precipitated
Wash, dried 2 hours at 60 DEG C of vacuum, be cooled to normal temperature, obtain filler modified polymer;
(6) above-mentioned filler modified polymer is taken, with polyvinyl alcohol, is stirred, through casting machine flow casting molding, is produced
The inexpensive toughened plastics bag material.
Embodiment 2
A kind of inexpensive toughened plastics bag material, it is made up of the raw material of following weight parts:
Biomass fiber 20, sym-closene 2, polyvinyl alcohol 26, alkylolamides 1, palm wax 5,8-hydroxyquinoline
0.4th, ethylene-vinyl acetate copolymer 130, zinc hydroxyl stannate 2, ethoxylated alkyl ammonium sulfate 1, nano-calcium carbonate 8, acrylic acid
Hydroxyl ethyl ester 3, trimethylolpropane 0.7.
Described biomass fiber is sisal fiber.
A kind of preparation method of inexpensive toughened plastics bag material, comprises the following steps:
(1) 8-hydroxyquinoline is taken, is added in the absolute ethyl alcohol of 10 times of its weight, stirs, adds palm wax, is sent into
Into 80 DEG C of waters bath with thermostatic control, insulated and stirred 20 minutes, discharging, alkylolamides is added, stirs to normal temperature, it is molten alcohol must to be premixed
Liquid;
(2) biomass fiber is taken, is added in its weight 0.6mol/l sulfuric acid solution, is soaked 2 hours, discharging washing,
Dry, milling, mix, be added in the deionized water of 10-14 times of compound weight with ethoxylated alkyl ammonium sulfate, stirring is equal
It is even, obtain fiber dispersion;
(3) nano-calcium carbonate is taken, is added in above-mentioned premix alcoholic solution, stirs, adds trimethylolpropane, ultrasound
10 minutes, obtain organic carbonate calcium dispersion liquid;
(4) zinc hydroxyl stannate is taken, is added in the dimethylformamide of 3 times of its weight, stirs, adds acrylic acid hydroxyl
Ethyl ester, rise temperature is 65 DEG C, insulated and stirred 1 hour, mixes, stirs with above-mentioned organic carbonate calcium dispersion liquid, obtain compound
Solution;
(5) sym-closene, ethylene-vinyl acetate copolymer are taken, is stirred, is added in above-mentioned composite solution,
It is sent in 90 DEG C of oil bath, insulated and stirred 1 hour, discharges, add fiber dispersion, stir, filters, water will be precipitated
Wash, dried 1 hour at 50 DEG C of vacuum, be cooled to normal temperature, obtain filler modified polymer;
(6) above-mentioned filler modified polymer is taken, with polyvinyl alcohol, is stirred, through casting machine flow casting molding, is produced
The inexpensive toughened plastics bag material.
Performance test:
Thickness 0.05-0.06mm, with reference to QB1130, the horizontal angle tear strength of polybag of the present invention is 146-155KN/
M, longitudinal angle tear strength is 137-146KN/m;
Commercially available thickness is 0.05-0.06mm polybag, and horizontal angle tear strength is 125-133KN/m, longitudinal direction is straight
Angle tearing strength is 120-126KN/m.
As can be seen that the polybag of the present invention has more preferable mechanical property.
Claims (3)
1. a kind of inexpensive toughened plastics bag material, it is characterised in that it is made up of the raw material of following weight parts:
Biomass fiber 20-30, sym-closene 2-4, polyvinyl alcohol 26-30, alkylolamides 1-2, palm wax 5-7,8-
Oxyquinoline 0.4-1, ethylene-vinyl acetate copolymer 130-150, zinc hydroxyl stannate 2-4, ethoxylated alkyl ammonium sulfate 1-2,
Nano-calcium carbonate 8-10, hydroxy-ethyl acrylate 3-5, trimethylolpropane 0.7-1.
A kind of 2. inexpensive toughened plastics bag material according to claim 1, it is characterised in that described biomass fiber
For sisal fiber.
3. a kind of preparation method of inexpensive toughened plastics bag material as claimed in claim 1, it is characterised in that including following
Step:
(1) 8-hydroxyquinoline is taken, is added in the absolute ethyl alcohol of 10-14 times of its weight, stirs, adds palm wax, is sent into
Into 80-85 DEG C of water bath with thermostatic control, insulated and stirred 20-30 minutes, discharging, alkylolamides is added, stirs to normal temperature, must premix
Alcoholic solution;
(2) biomass fiber is taken, is added in its weight 0.6-1mol/l sulfuric acid solution, is soaked 2-3 hours, discharging washing,
Dry, milling, mix, be added in the deionized water of 10-14 times of compound weight with ethoxylated alkyl ammonium sulfate, stirring is equal
It is even, obtain fiber dispersion;
(3) nano-calcium carbonate is taken, is added in above-mentioned premix alcoholic solution, stirs, adds trimethylolpropane, ultrasonic 10-
20 minutes, obtain organic carbonate calcium dispersion liquid;
(4) zinc hydroxyl stannate is taken, is added in the dimethylformamide of 3-4 times of its weight, stirs, adds acrylic acid hydroxyl second
Ester, rise temperature is 65-70 DEG C, insulated and stirred 1-2 hours, mixes, stirs with above-mentioned organic carbonate calcium dispersion liquid, must answer
Close solution;
(5) sym-closene, ethylene-vinyl acetate copolymer are taken, is stirred, is added in above-mentioned composite solution, is sent into
Into 90-95 DEG C of oil bath, insulated and stirred 1-2 hours, discharging, fiber dispersion is added, is stirred, filtered, water will be precipitated
Wash, 1-2 hours are dried at 50-60 DEG C of vacuum, normal temperature is cooled to, obtains filler modified polymer;
(6) above-mentioned filler modified polymer is taken, with polyvinyl alcohol, is stirred, through casting machine flow casting molding, is produced described
Inexpensive toughened plastics bag material.
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104017243A (en) * | 2014-05-26 | 2014-09-03 | 北京印刷学院 | Completely degradable antibacterial fresh-keeping packaging material based on natural cellulose and preparation method thereof |
CN104292479A (en) * | 2014-09-28 | 2015-01-21 | 广西大学 | Preparation method of potato starch-based degradable plastic film |
CN106700360A (en) * | 2016-12-13 | 2017-05-24 | 安徽瑞研新材料技术研究院有限公司 | Environmentally-friendly plastic film |
-
2017
- 2017-10-13 CN CN201710953195.5A patent/CN107540926A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104017243A (en) * | 2014-05-26 | 2014-09-03 | 北京印刷学院 | Completely degradable antibacterial fresh-keeping packaging material based on natural cellulose and preparation method thereof |
CN104292479A (en) * | 2014-09-28 | 2015-01-21 | 广西大学 | Preparation method of potato starch-based degradable plastic film |
CN106700360A (en) * | 2016-12-13 | 2017-05-24 | 安徽瑞研新材料技术研究院有限公司 | Environmentally-friendly plastic film |
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