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A kind of preparation method of low temperature resistant mineral water bottle cap

A technology of mineral water and low temperature resistance, which is applied to other household appliances, household components, household appliances, etc., to achieve the effects of small shrinkage, accurate cover size, and overcoming poor solvent resistance

Active Publication Date: 2020-01-10
湖南金富包装有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The invention provides a method for preparing a low-temperature resistant mineral water bottle cap, which solves the deficiencies of the existing plastic mineral water bottle caps. The mineral water bottle caps obtained by the invention still have a high Toughness, wear resistance, and impact resistance

Method used

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  • A kind of preparation method of low temperature resistant mineral water bottle cap
  • A kind of preparation method of low temperature resistant mineral water bottle cap
  • A kind of preparation method of low temperature resistant mineral water bottle cap

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] After uniformly mixing polyethylene resin, ABS resin and polypropylene resin according to the mass ratio of 6:4:2 to obtain a mixture, add 2.5% compatibilizer of the mixture mass, melt and blend at 215°C and then extrude and granulate to obtain Resin material blend.

[0029] The ABS resin is an ABS resin with a viscosity-average molecular weight of 90,000-130,000 prepared by bulk polymerization, the content of rubber formed by butadiene in the ABS resin is 5wt.%, and the content of segments formed by acrylonitrile is 18wt.%. , and the rest are chain segments formed by styrene, and the number average particle diameter of the rubber formed by butadiene in the ABS resin is 150-200nm.

[0030] Ingredients according to the following parts by weight:

[0031]

[0032] Before the use of the nano-antimony tin oxide, it is processed according to the following process: place the nano-antimony tin oxide in a 40KHz ultrasonic cleaner, and use absolute ethanol for 30 minutes of ...

Embodiment 2

[0044] After uniformly mixing polyethylene resin, ABS resin and polypropylene resin according to the mass ratio of 7:5:4 to obtain a mixture, add 3% compatibilizer of the mixture mass, melt and blend at 220 ° C and then extrude and granulate to obtain Resin material blend.

[0045] The ABS resin is an ABS resin with a viscosity-average molecular weight of 90,000-130,000 prepared by bulk polymerization, the content of rubber formed by butadiene in the ABS resin is 8wt.%, and the content of segments formed by acrylonitrile is 25wt.%. , and the rest are chain segments formed by styrene, and the number average particle diameter of the rubber formed by butadiene in the ABS resin is 150-200nm.

[0046] Ingredients according to the following parts by weight:

[0047]

[0048] Before the use of the nano-antimony tin oxide, it is processed according to the following process: place the nano-antimony tin oxide in a 45KHz ultrasonic cleaner, and use absolute ethanol for 40 minutes of ...

Embodiment 3

[0060] Polyethylene resin, ABS resin, and polypropylene resin are uniformly mixed according to the mass ratio of 8:7:5 to obtain a mixture, add 4% compatibilizer of the mixture mass, melt and blend at 230 ° C, and then extrude and granulate to obtain Resin material blend.

[0061] The ABS resin is an ABS resin with a viscosity-average molecular weight of 90,000-130,000 prepared by bulk polymerization, the content of rubber formed by butadiene in the ABS resin is 10wt.%, and the content of segments formed by acrylonitrile is 35wt.%. , and the rest are chain segments formed by styrene, and the number average particle diameter of the rubber formed by butadiene in the ABS resin is 150-200nm.

[0062] Ingredients according to the following parts by weight:

[0063]

[0064] Before the nano-antimony tin oxide is used, it is processed according to the following process: place the nano-antimony tin oxide in a 50KHz ultrasonic cleaner, and use absolute ethanol to ultrasonically cle...

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Abstract

The invention discloses a preparation method of a low-temperature-resistant mineral water bottle cap. The bottle cap is prepared from a main material, i.e., a ternary mixed resin material, wherein polyethylene resin has good low temperature resistance; the mechanical property of modified plastics is improved by introducing acrylonitrile butadiene styrene (ABS) resin into the polyethylene resin and polypropylene resin, and the disadvantage of poor solvent resistance of the ABS resin is overcome by using a compatilizer containing a specific component. According to the preparation method, the bottle cap is prepared by adopting a compression molding processing method, and the compression molding processing method has the advantages of lower temperature and small amount of shrinkage, so that the size of the prepared cap is more accurate; all mold cavities for compression molding are relatively independent, thus being separately replaced. A plasticizer prepared by using a specific process is matched with a proper weather-resistant agent, a proper toughening agent and a proper anti-cracking agent for use, so that the toughness and weather resistance of the modified plastics are further improved, and the application temperature range of the modified plastics is greatly increased. Nano antimony tin oxide subjected to ultrasonic treatment is added into the mineral water bottle cap, so that not only is the low temperature resistance of the plastics improved, but the required service life and functions of the plastic bottle cap are also maintained.

Description

technical field [0001] The invention relates to the field of bottle cap manufacturing, in particular to a method for preparing a low-temperature resistant mineral water bottle cap. Background technique [0002] Mineral water is a fast-moving consumer product with a huge market today. Commercially available mineral water is mostly filled with plastic bottles and sealed with plastic bottle caps. In terms of material, it is generally divided into PP and PE. PP materials are mostly used for gas beverage bottle cap gaskets and bottle caps. They are heat-resistant and non-deformable, have high surface strength, and good chemical stability. The disadvantages are poor toughness, easy embrittlement at low temperature, and poor oxidation resistance grind. Bottle caps of this material are mostly used for fruit wine and carbonated beverage bottle cap packaging. PE materials are mostly used for hot-fill bottle caps and aseptic cold-fill bottle caps. This material is non-toxic, has go...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/06C08L55/02C08L23/12C08L25/14C08L53/02C08L51/04C08K13/06C08K9/00C08K3/22C08K5/11B29C43/02B29C43/42B29L31/56
CPCB29C43/02B29C43/42B29L2031/56C08K2201/011C08L23/06C08L2201/08C08L2203/10C08L2205/02C08L2205/035C08L55/02C08L23/12C08L25/14C08L53/025C08L51/04C08K13/06C08K9/00C08K3/22C08K5/11
Inventor 陈金培
Owner 湖南金富包装有限公司
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