CN112679920A - Solvent-resistant and drop-resistant packaging bottle - Google Patents
Solvent-resistant and drop-resistant packaging bottle Download PDFInfo
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- CN112679920A CN112679920A CN202011537574.4A CN202011537574A CN112679920A CN 112679920 A CN112679920 A CN 112679920A CN 202011537574 A CN202011537574 A CN 202011537574A CN 112679920 A CN112679920 A CN 112679920A
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Abstract
The application relates to the field of packaging, and particularly discloses a solvent-resistant and drop-resistant packaging bottle. The solvent-resistant and drop-resistant packaging bottle comprises 80-100 parts of regenerated PET plastic bottle flakes; 0.2-0.4 parts of tetrachlorophthalic anhydride; 0.3-0.5 part of modified N, N-bis (hydroxyethyl) dodecyl amide; 0.18-0.32 part of heat-resistant auxiliary agent; 0.06-0.12 part of antioxidant. This application is resistant to solvent and is fallen packing bottle and can be used to product packaging, and it has strengthened the interior rotation effect on the PET macromolecular chain, has increased the distance between the molecular chain section for the shock resistance and the solvent resistance of packing bottle can improve, thereby make the packing bottle have excellent solvent resistance and the advantage that is difficult for breaking.
Description
Technical Field
The application relates to the field of packaging, in particular to a solvent-resistant and drop-resistant packaging bottle.
Background
The polyethylene terephthalate (PET) packaging bottle has the advantages of oil resistance, fat resistance, dilute acid resistance, diluted alkali resistance, most solvent resistance, high transparency, ultraviolet ray resistance, good glossiness, no toxicity, no odor, good sanitation and safety and the like, and is widely applied to the fields of food, chemical industry, medicine packaging and the like.
The PET packaging bottles produced in China every year are hundreds of billions, more than 50 million tons of PET are used for manufacturing the PET packaging bottles every year, when the materials are abandoned, the materials face the problem of how to treat the PET packaging bottles, and the current solution is recycling, so that the problem of environmental protection can be solved, the PET packaging bottles can be used as a new raw material resource, and the contradiction of insufficient PET raw materials is relieved.
And the recycling method of the PET packaging bottle is relatively simple, but the packaging bottle made of recycled PET has reduced solvent resistance, the original poor impact resistance becomes worse, and the application of the recycled PET material in the packaging field is limited, so that the recycling method has room for improvement.
Disclosure of Invention
In order to improve the solvent resistance and the impact resistance of a regenerated PRT packaging bottle, the application provides a solvent-resistant and drop-resistant packaging bottle.
A solvent-resistant and drop-resistant packaging bottle comprises the following components in parts by mass:
80-100 parts of regenerated PET plastic bottle flakes;
0.2-0.4 parts of tetrachlorophthalic anhydride;
0.3-0.5 part of modified N, N-bis (hydroxyethyl) dodecyl amide;
0.18-0.32 part of heat-resistant auxiliary agent;
0.06-0.12 part of antioxidant.
Preferably, the solvent-resistant and drop-resistant packaging bottle further comprises the following components in parts by weight:
86-92 parts of regenerated PET plastic bottle chips;
0.28-0.32 parts of tetrachlorophthalic anhydride;
0.36-0.4 part of modified N, N-bis (hydroxyethyl) dodecyl amide;
0.25-0.28 part of heat-resistant auxiliary agent;
0.08-0.1 part of antioxidant. .
By adopting the technical scheme, the modified N, N-bis-hydroxyethyl dodecyl amide and tetrachlorophthalic anhydride are added into the regenerated PET plastic bottle chip in a specific proportion, so that on one hand, the internal rotation effect on a high molecular chain of PET is enhanced, the number of conformations formed on the high molecular chain is increased, the flexibility of PRT is increased, and meanwhile, the PET high molecular chain is not easy to be too flexible and lose rigidity, so that the impact strength for preparing the packaging bottle is better; on the other hand, due to the matching of the two, when entering a polymer network, the distance between polymer chain segments is increased, and the winding effect between the chain segments is enhanced, so that the packaging bottle has better solvent resistance.
Preferably, the preparation method of the modified N, N-bis-hydroxyethyl dodecyl amide comprises the following steps:
step 1), purification: dissolving N, N-bis-hydroxyethyl dodecyl amide in petroleum ether, washing with a sodium chloride aqueous solution with the mass concentration of 20-30%, and then removing the petroleum ether by rotary evaporation to obtain a N, N-bis-hydroxyethyl dodecyl amide pure product;
step 2), melt polymerization: reacting N, N-bis-hydroxyethyl dodecyl amide pure product with benzoin dimethyl ether at 110-130 ℃ for 1-2 h to obtain modified N, N-bis-hydroxyethyl dodecyl amide;
the molar ratio of the pure N, N-bis (hydroxyethyl) dodecylamide to benzoin dimethyl ether is 1: 1.2-1.4.
By adopting the technical scheme, the modified N, N-bis-hydroxyethyl dodecyl amide prepared in the steps 1) and 2) is matched with tetrachlorophthalic anhydride in a specific proportion, so that the internal rotation effect on a PET (polyethylene terephthalate) polymer chain is enhanced, the distance between molecular chain segments is increased, the impact resistance and the solvent resistance of a packaging bottle are improved, and the solvent-resistant and drop-resistant packaging bottle is obtained.
Preferably, the obtained modified N, N-bis-hydroxyethyl dodecyl amide is washed for 3-4 times by using a sodium chloride aqueous solution with the mass concentration of 20-30%, then the sodium chloride is washed by using distilled water, and the obtained product is subjected to suction filtration and vacuum drying.
By adopting the technical scheme, the obtained modified N, N-bis-hydroxyethyl dodecyl amide is washed firstly and then dried in vacuum to obtain a target product with higher purity, so that the intervention of other substances in the process of preparing the plastic bottle is reduced, the reaction is more sufficient, the internal rotation effect on a polymer chain is further improved, the distance between chain segments is further increased, and the impact resistance and the solvent resistance of the packaging bottle are further improved.
Preferably, the barrier agent is methyl 3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate.
By adopting the technical scheme, the packaging bottle has better air tightness and lower water absorption due to the adoption of the 3- (3, 5-di-tert-butyl-4-hydroxyphenyl) methyl propionate, so that substances stored in the solvent-resistant and falling-resistant packaging bottle are more stable, and the validity period of the stored substances is prolonged.
Preferably, the antioxidant is a mixture of antioxidant 300 and dilauryl thiodipropionate.
Preferably, the antioxidant 300 and dilauryl thiodipropionate are mixed in a mass ratio of 1: 1.2-1.5.
By adopting the technical scheme, the antioxidant 300 and the dilauryl thiodipropionate are mixed according to the mass ratio of 1: 1.2-1.5, so that an excellent synergistic effect is shown in the aspect of terminating the free radical reaction under the condition of keeping the physical characteristics of raw materials, the packaging bottle is not easy to break due to the chemical co-construction of the external environment, the prepared packaging bottle has good weather resistance, and the service life of the solvent-resistant and falling-resistant packaging bottle is prolonged.
Preferably, the solvent-resistant and drop-resistant packaging bottle further comprises 0.06-0.08 parts of butylated hydroxytoluene.
By adopting the technical scheme, as the butylated hydroxytoluene, the modified N, N-bis-hydroxyethyl dodecyl amide and the tetrachlorophthalic anhydride are added into the regenerated PET plastic bottle flakes according to a specific proportion, the internal rotation effect on a PET high molecular chain is further enhanced, the distance between molecular chain segments is further increased, the shock resistance and the solvent resistance of the packaging bottle are better, and the packaging bottle is less prone to being broken and more resistant to the erosion of organic solvents.
Preferably, the preparation method of the packaging bottle comprises the following steps:
step S1, baking the PET bottle chip at the temperature of 150-;
step S2, adding the premix into an injection molding injection platform with the temperature of 270-;
and step S3, preheating the packaging bottle blank to 60-80 ℃, stretching and pre-blowing simultaneously, then high-blow molding, cooling and shaping, and secondary cooling after exhausting to obtain the solvent-resistant and drop-resistant packaging bottle.
By adopting the technical scheme, the PET bottle piece is baked at the temperature of 150-180 ℃, so that the prepared packaging bottle has better transparency, the molecular chain of the PET is not easy to break, the PET is slowly melted in the baking process to reach a fully melted state, and the transparency and the physical property of the plastic bottle are better.
Preferably, in step S2, nitrogen is introduced into the pre-mixture and then the pre-mixture is fed into the injection molding station.
By adopting the technical scheme, the nitrogen is introduced in the step S2, so that the participation of oxygen in the whole reaction system is reduced, the PET and each component are more fully reacted, and the packaging bottle with better solvent resistance and impact resistance is obtained.
In summary, the present application has the following beneficial effects:
1. because modified N, N-bis hydroxyethyl dodecyl amide and tetrachloro phthalic anhydride are added into the regenerated PET plastic bottle chip according to a specific proportion, the flexibility of PRT is increased, and simultaneously, the PET high polymer chain is not easy to lose rigidity due to overlarge flexibility, so that the impact strength for preparing the packaging bottle is better, the distance between the high polymer chain segments is increased, the winding effect between the chain segments is enhanced, and the packaging bottle has better solvent resistance.
2. In the application, the antioxidant 300 and the dilauryl thiodipropionate are preferably mixed according to the mass ratio of 1: 1.2-1.5, so that the prepared packaging bottle has better weather resistance, and the service life of the solvent-resistant and drop-resistant packaging bottle is prolonged.
3. In the application, preferably, butylated hydroxytoluene, modified N, N-bis-hydroxyethyl dodecyl amide and tetrachlorophthalic anhydride are added into the regenerated PET plastic bottle flakes according to a specific proportion, so that the internal rotation effect on a PET polymer chain is further enhanced, the distance between molecular chain segments is further increased, and the impact resistance and the solvent resistance of the packaging bottle are better.
Detailed Description
The present application is further described in detail below with reference to tables and examples.
The raw material sources of the preparation examples and examples are shown in table 1.
TABLE 1
Preparation example
Preparation example 1
The preparation example discloses a modified N, N-bis-hydroxyethyl dodecyl amide.
Step 1), purification: dissolving 50mLN and N-bis-hydroxyethyl dodecyl amide in a beaker filled with 80mL of petroleum ether, washing with a sodium chloride aqueous solution with the mass concentration of 20%, and then rotationally evaporating in a rotary evaporator to remove the petroleum ether to obtain N, N-bis-hydroxyethyl dodecyl amide pure product;
step 2), melt polymerization: adding N, N-bis-hydroxyethyl dodecyl amide pure product and benzoin dimethyl ether in a molar ratio of 1:1.2 into a three-neck flask, heating to 110 ℃, and reacting for 1h to obtain modified N, N-bis-hydroxyethyl dodecyl amide.
Preparation example 2
The preparation example discloses a modified N, N-bis-hydroxyethyl dodecyl amide.
Step 1), purification: dissolving 60mLN and N-bis-hydroxyethyl dodecyl amide in a beaker filled with 100mL of petroleum ether, washing with 30% by mass of sodium chloride aqueous solution, and then rotationally evaporating in a rotary evaporator to remove the petroleum ether to obtain N, N-bis-hydroxyethyl dodecyl amide pure product;
step 2), melt polymerization: adding N, N-bis-hydroxyethyl dodecyl amide pure product and benzoin dimethyl ether in a molar ratio of 1:1.4 into a three-neck flask, heating to 130 ℃, and reacting for 2h to obtain modified N, N-bis-hydroxyethyl dodecyl amide.
Step 3), purification: the obtained N, N-bis-hydroxyethyl dodecyl amide is washed by sodium chloride aqueous solution with the mass concentration of 20% for 3 times, then the sodium chloride is washed by distilled water, and the sodium chloride is filtered by a suction filter and then dried in a vacuum drying oven for 24 hours.
Preparation example 3
The preparation example discloses a modified N, N-bis-hydroxyethyl dodecyl amide.
The difference from preparation example 2 is that N, N-bis-hydroxyethyl dodecyl amide obtained was washed with 30% by mass aqueous sodium chloride solution 4 times, then washed with distilled water to remove sodium chloride, filtered with a suction filter, and then dried in a vacuum drying oven for 20 hours.
Examples
Example 1
This embodiment discloses a resistant drop packing bottle of solvent-fast.
Step S1, adding 80Kg of PET bottle chips into a stirring kettle, putting the stirring kettle into an oven, baking the mixture for 3 hours at the temperature of 150 ℃, adding 0.2Kg of tetrachlorophthalic anhydride, 0.3Kg of modified N, N-bis-hydroxyethyl dodecyl amide prepared in preparation example 1, 0.06Kg of methyl 3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate, 0.027Kg of antioxidant 300 and 0.033Kg of dilauryl thiodipropionate, stirring the mixture for 5 minutes at the rotating speed of 600r/min to obtain a premix;
step S2, adding the premix into an injection molding injection table with the temperature of 270 ℃, injecting the premix into a mold by the injection molding injection table under the pressure of 100Mpa, wherein the mold comprises a main runner and a sub-runner, the temperature of the main runner is kept at 230 ℃, the temperature of the sub-runner is kept at 110 ℃, and a packaging bottle blank is obtained after molding;
and step S3, preheating the packaging bottle blank in an oven to 60 ℃, stretching and pre-blowing simultaneously, then stretching and pre-blowing simultaneously on a bottle blowing machine, high-blowing molding, cooling and shaping, exhausting and then carrying out secondary cooling to obtain the solvent-resistant and drop-resistant packaging bottle.
Example 2
This embodiment discloses a resistant drop packing bottle of solvent-fast.
Step S1, adding 86Kg of PET bottle chips into a stirring kettle, putting the stirring kettle into an oven, baking the mixture for 4 hours at the temperature of 160 ℃, adding 0.28Kg of tetrachlorophthalic anhydride, 0.36Kg of modified N, N-bis-hydroxyethyl dodecyl amide prepared in preparation example 2, 0.08Kg of 3- (3, 5-di-tert-butyl-4-hydroxyphenyl) methyl propionate, 0.026Kg of antioxidant 300 and 0.034Kg of dilauryl thiodipropionate, stirring the mixture for 7 minutes at the rotating speed of 700r/min to obtain a premix;
step S2, adding the premix into an injection molding injection platform with the temperature of 280 ℃, injecting the premix into a mold by the injection molding injection platform under the pressure of 110Mpa, wherein the mold comprises a main runner and a sub-runner, the temperature of the main runner is kept at 240 ℃, the temperature of the sub-runner is kept at 120 ℃, and a packaging bottle blank is obtained after molding;
and step S3, preheating the packaging bottle blank in an oven to 70 ℃, stretching and pre-blowing simultaneously, then stretching and pre-blowing simultaneously on a bottle blowing machine, high-blowing molding, cooling and shaping, exhausting and then carrying out secondary cooling to obtain the solvent-resistant and drop-resistant packaging bottle.
Example 3
This embodiment discloses a resistant drop packing bottle of solvent-fast.
Step S1, adding 92Kg of PET bottle chips into a stirring kettle, putting the stirring kettle into an oven, baking the mixture for 5 hours at the temperature of 170 ℃, adding 0.32Kg of tetrachlorophthalic anhydride, 0.4Kg of modified N, N-bis-hydroxyethyl dodecyl amide prepared in preparation example 3, 0.1Kg of 3- (3, 5-di-tert-butyl-4-hydroxyphenyl) methyl propionate, 0.025Kg of antioxidant 300, 0.035Kg of dilauryl thiodipropionate and 0.06Kg of butylated hydroxytoluene, stirring the mixture for 10 minutes at the rotating speed of 800r/min to obtain a premix;
step S2, adding the premix into an injection molding injection platform with the temperature of 290 ℃, injecting the premix into a mold by the injection molding injection platform under the pressure of 120Mpa, wherein the mold comprises a main runner and a sub-runner, the temperature of the main runner is kept at 250 ℃, the temperature of the sub-runner is kept at 130 ℃, and a packaging bottle blank is obtained after molding;
and step S3, preheating the packaging bottle blank in an oven to 80 ℃, stretching and pre-blowing simultaneously, then stretching and pre-blowing simultaneously on a bottle blowing machine, high-blowing molding, cooling and shaping, exhausting and then carrying out secondary cooling to obtain the solvent-resistant and drop-resistant packaging bottle.
Example 4
This embodiment discloses a resistant drop packing bottle of solvent-fast.
Step S1, adding 100Kg of PET bottle chips into a stirring kettle, placing the stirring kettle into an oven, baking the mixture for 6 hours at the temperature of 180 ℃, then adding 0.4Kg of tetrachlorophthalic anhydride, 0.5Kg of modified N, N-dihydroxyethyldodecylamide, 0.12Kg of 3- (3, 5-di-tert-butyl-4-hydroxyphenyl) methyl propionate, 0.024Kg of antioxidant 300, 0.036Kg of dilauryl thiodipropionate and 0.08Kg of butylated hydroxytoluene, stirring the mixture for 10 minutes at the rotating speed of 800r/min to obtain a premix;
step S2, adding the premix into an injection molding injection platform with the temperature of 300 ℃, injecting the premix into a mold by the injection molding injection platform under the pressure of 150Mpa, wherein the mold comprises a main runner and a sub-runner, the temperature of the main runner is kept at 260 ℃, the temperature of the sub-runner is kept at 130 ℃, and a packaging bottle blank is obtained after molding;
and step S3, preheating the packaging bottle blank in an oven to 80 ℃, stretching and pre-blowing simultaneously, then stretching and pre-blowing simultaneously on a bottle blowing machine, high-blowing molding, cooling and shaping, exhausting and then carrying out secondary cooling to obtain the solvent-resistant and drop-resistant packaging bottle.
Example 5
This embodiment discloses a resistant drop packing bottle of solvent-fast.
The only difference from example 3 is that:
step S2 is performed by introducing nitrogen into the premix and then introducing the premix into an injection molding station.
Comparative example
Comparative example 1
The only difference from example 3 is that:
in step S1, modified N, N-bis (hydroxyethyl) dodecylamide is not added.
Comparative example 2
In step S1, modified N, N-bis (hydroxyethyl) dodecylamide, tetrachlorophthalic anhydride and butylated hydroxytoluene are not added, and 5.8Kg of fumed silica is added.
Performance test
Experiment 1
Solvent resistance detection
The solvent-resistant and drop-resistant packaging bottles in each example and each comparative example are taken as test samples according to GB/T11547-.
Experiment 2
Impact resistance test
According to the detection standard of national standard GB/T1843-: the length is 80 +/-2 mm, the width is 10.0 +/-0.2 mm, the thickness is 4.0 +/-0.2 mm, the test samples are divided into two groups with gaps and 3 test samples in each group, the radius of the bottom of each gap is 0.25 +/-0.05 mm, the reserved width of each gap is 8.0 +/-0.2 mm, each gap is positioned in the middle position of each sample, each test sample is placed in the test area of a cantilever beam impact tester, the edge of the bent part of each test sample on a supporting block of the tester is checked to be a chamfer with the radius of 0.2 +/-0.1 mm, the contact line of the cantilever beam impact tester is determined to be vertical to the long axis of each test sample, the verticality is within +/-0.2 degrees, the contact line is 22 +/-0.2 mm from the upper surface of a lead saw, the verticality is within +/-2 degrees, the cylindrical surface with the curvature radius of a hammer body of the cantilever beam impact tester is 0.8 +/-0.2 mm, the contact line is vertical to the long axis of each test sample, the verticality is within +/-2 degrees, the pendulum height of 60cm was tested, and the impact strength a1 (KJ/m) was unnotched2)＝E/(h×b1)×103Notched impact strength a2 (KJ/m)2)＝E/(h×b2)×103E is the corrected fracture absorption energy of the test specimen in J, h is the specimen thickness in mm, b1For testing the width of the sample, in mm, b2The calculation results are expressed as the average value of each group for the remaining width of the test specimen in mm, and the test data are shown in Table 2:
TABLE 2
According to the comparison of the data of the example 2 and the example 1 in the table 2, the change rate of the performance is smaller than that of the example 1, and the impact strength is larger than that of the example 1, which shows that the target product with higher purity is obtained through the purification operation of the step 3), the intervention of other substances in the process of preparing the plastic bottle is reduced, the reaction is more sufficient, the internal rotation effect on a high molecular chain is further improved, the distance between chain segments is further increased, and the impact resistance and the solvent resistance of the packaging bottle are further improved.
Comparing the data of example 3 and example 5 in table 2, it can be seen that the change rate of the properties of example 5 is less than that of example 3, and the impact strength of example 5 is greater than that of example 3, which shows that nitrogen gas is introduced in step S2, so that the oxygen participation in the whole reaction system is reduced, and the reaction between PET and each component is more sufficient, thereby obtaining a packaging bottle with better solvent resistance and impact resistance.
According to the comparison between the comparative example 1 and the example 3 in the table 2, the change rate of the performance of the example 3 is far smaller than that of the comparative example 1, and the impact strength of the example 3 is far larger than that of the comparative example 1, which shows that only the modified N, N-bis-hydroxyethyl dodecyl amide and the tetrachloro phthalic anhydride are added into the recycled PET plastic bottle sheet together according to a specific proportion, so that the internal rotation effect on the high molecular chain of the PET is enhanced, the number of conformations formed on the high molecular chain is increased, the flexibility of the PRT is increased, and the PET high molecular chain is not easy to be too flexible and lose rigidity, so that the impact strength for preparing the packaging bottle is good; due to the matching of the two, when entering a polymer network, the distance between polymer chain segments is increased, and the winding effect between the chain segments is enhanced, so that the packaging bottle has better solvent resistance.
According to the comparison of the data of example 3 and example 2 in table 2, the change rate of the properties of example 3 is smaller than that of example 2, and the impact strength of example 3 is greater than that of example 2, which shows that the addition of butylated hydroxytoluene, modified N, N-bis-hydroxyethyl dodecyl amide and tetrachlorophthalic anhydride in a specific ratio into recycled PET plastic bottle flakes further enhances the internal rotation effect on the PET polymer chain, further increases the distance between the molecular chain segments, and makes the packaging bottle have better impact resistance and solvent resistance, so that the packaging bottle is less prone to be broken and more resistant to the erosion of organic solvents.
According to the comparison of the data of example 3 and comparative example 2 in table 2, the change rate of the performance of example 3 is smaller than that of comparative example 2, and the impact strength of example 3 is greater than that of comparative example 2, which shows that the addition of butylated hydroxytoluene, modified N, N-bishydroxyethyldodecylamide and tetrachlorophthalic anhydride in a specific ratio into the recycled PET plastic bottle flakes further enhances the internal rotation effect on the PET polymer chain, further increases the distance between the molecular chain segments, and makes the impact resistance and solvent resistance of the packaging bottle better, so that the packaging bottle is less prone to be broken and more resistant to the erosion of organic solvents.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (10)
1. The utility model provides a resistant solvent is able to bear or endure falling packing bottle which characterized in that: the paint comprises the following components in parts by mass:
80-100 parts of regenerated PET plastic bottle flakes;
0.2-0.4 parts of tetrachlorophthalic anhydride;
0.3-0.5 part of modified N, N-bis (hydroxyethyl) dodecyl amide;
0.18-0.32 part of heat-resistant auxiliary agent;
0.06-0.12 part of antioxidant.
2. The solvent-resistant drop-resistant packaging bottle of claim 1, wherein: the solvent-resistant and drop-resistant packaging bottle comprises the following components in parts by weight:
86-92 parts of regenerated PET plastic bottle chips;
0.28-0.32 parts of tetrachlorophthalic anhydride;
0.36-0.4 part of modified N, N-bis (hydroxyethyl) dodecyl amide;
0.25-0.28 part of heat-resistant auxiliary agent;
0.08-0.1 part of antioxidant.
3. The solvent-resistant drop-resistant packaging bottle according to claim 1 or 2, characterized in that: the preparation method of the modified N, N-bis-hydroxyethyl dodecyl amide comprises the following steps:
step 1), purification: dissolving N, N-bis-hydroxyethyl dodecyl amide in petroleum ether, washing with a sodium chloride aqueous solution with the mass concentration of 20-30%, and then removing the petroleum ether by rotary evaporation to obtain a N, N-bis-hydroxyethyl dodecyl amide pure product;
step 2), melt polymerization: reacting N, N-bis-hydroxyethyl dodecyl amide pure product with benzoin dimethyl ether at 110-130 ℃ for 1-2 h to obtain modified N, N-bis-hydroxyethyl dodecyl amide;
the molar ratio of the pure N, N-bis (hydroxyethyl) dodecylamide to benzoin dimethyl ether is 1: 1.2-1.4.
4. The solvent-resistant drop-resistant packaging bottle of claim 3, wherein: and (3) after N, N-bis-hydroxyethyl dodecyl amide is obtained, washing the mixture for 3-4 times by using a sodium chloride aqueous solution with the mass concentration of 20-30%, then washing the sodium chloride by using distilled water, and performing suction filtration and vacuum drying.
5. The solvent-resistant drop-resistant packaging bottle of claim 1, wherein: the blocking agent is 3- (3, 5-di-tert-butyl-4-hydroxyphenyl) methyl propionate.
6. The solvent-resistant drop-resistant packaging bottle of claim 1, wherein: the antioxidant is a mixture of an antioxidant 300 and dilauryl thiodipropionate.
7. The solvent-resistant drop-resistant packaging bottle of claim 6, wherein: the antioxidant 300 and dilauryl thiodipropionate are mixed according to the mass ratio of 1: 1.2-1.5.
8. The solvent-resistant drop-resistant packaging bottle according to claim 1 or 2, characterized in that: and 0.06-0.08 part of butylated hydroxytoluene.
9. The solvent-resistant drop-resistant packaging bottle of claim 1, wherein: the preparation method of the packaging bottle comprises the following steps:
step S1, baking the PET bottle chip at the temperature of 150-;
step S2, adding the premix into an injection molding injection platform with the temperature of 270-;
and step S3, preheating the packaging bottle blank to 60-80 ℃, stretching and pre-blowing simultaneously, then high-blow molding, cooling and shaping, and secondary cooling after exhausting to obtain the solvent-resistant and drop-resistant packaging bottle.
10. The solvent-resistant drop-resistant packaging bottle of claim 9, wherein: in step S2, nitrogen is introduced into the pre-mixture and then the pre-mixture is injected into the injection molding station.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011537574.4A CN112679920A (en) | 2020-12-23 | 2020-12-23 | Solvent-resistant and drop-resistant packaging bottle |
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| CN202011537574.4A CN112679920A (en) | 2020-12-23 | 2020-12-23 | Solvent-resistant and drop-resistant packaging bottle |
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| CN104672806A (en) * | 2013-12-01 | 2015-06-03 | 青岛佳亿阳工贸有限公司 | Core-shell toughened and anti-fogging preservation master batch for PET film |
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2020
- 2020-12-23 CN CN202011537574.4A patent/CN112679920A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104672806A (en) * | 2013-12-01 | 2015-06-03 | 青岛佳亿阳工贸有限公司 | Core-shell toughened and anti-fogging preservation master batch for PET film |
| CN109320926A (en) * | 2018-10-23 | 2019-02-12 | 安徽洋龙塑业有限公司 | A kind of beverage bottle plastic material |
| CN111171526A (en) * | 2020-01-08 | 2020-05-19 | 浙江医十生物科技有限公司 | Special transparent bottle for preventing ultraviolet rays of hydrolat and preparation process thereof |
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