Preparation method for high-strength cosmetic bottles

A cosmetic and high-strength technology, which is applied in the field of plastic products production, can solve the problems that glass bottles are easy to be broken, and achieve the effects of improving astigmatism, increasing volume, increasing hardness and rigidity

Inactive Publication Date: 2019-06-07
余姚市恒邦塑业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Glass bottles a

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] In order to achieve the above object, in order to achieve the above object, the invention provides a method for preparing a high-strength cosmetic bottle, which is characterized in that the preparation method is:

[0014] a. Preparation of Additive A: Dissolve organic acid, chloride salt, alumina, silicon tetrafluoride, graphene, and sodium hypophosphite in 300 mL deionized water, sonicate for 30 min, stir for 1-2 h, put polytetrafluoroethylene Hydrothermal reaction was carried out at 150-200°C for 12-24 hours in a vinyl fluoride hydrothermal kettle, centrifuged, and the obtained product was washed with deionized water, then dried for 12 hours and collected for later use. The above organic acid is one of citric acid or sodium citrate, malic acid or sodium malate, with a mass of 0.15-0.4 g. Chloride salt is one of calcium chloride or magnesium chloride, and its addition amount is 0.2~0.3 g. The mass ratio of aluminum oxide: silicon tetrafluoride: graphene is 1:2:1; the ...

Embodiment 2

[0019] Additive A was prepared using 0.25 g sodium malate, 0.22 g calcium chloride, 0.05 g alumina, 0.1 g silicon tetrafluoride, 0.05 g graphene, and 25 mg sodium hypophosphite, and the hydrothermal reaction was continued at 200° C. for 12 hours. Calcium sulfate whiskers B were prepared using polyethylene glycol solution, 9 g calcium sulfate dihydrate, and 0.8 g magnesium sulfate, and reacted at 140°C for 6 h. Blended into polyethylene plastic to obtain the product. During the blending process, the mass ratio of A and B was 2.5:1. The mass ratio of additives to polyethylene is 11%. The melting point of polyethylene prepared according to the above parameters was raised to 151°C (128°C before blending).

Embodiment 3

[0021] Additive A was prepared using 0.25 g sodium citrate, 0.22 g calcium chloride, 0.05 g alumina, 0.1 g silicon tetrafluoride, 0.05 g graphene, and 25 mg sodium hypophosphite, and the hydrothermal reaction was continued at 200° C. for 12 hours. Calcium sulfate whiskers B were prepared using polyethylene glycol solution, 9 g calcium sulfate dihydrate, and 0.8 g magnesium sulfate, and reacted at 140 °C for 6 h. Blended into polyethylene plastic to obtain the product. During the blending process, the mass ratio of A and B was 2.5:1. The mass ratio of additives to polyethylene is 11%. The melting point of polyethylene prepared according to the above parameters was increased to 144°C (128°C before blending).

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Abstract

The invention provides a preparation method for high-strength cosmetic bottles. According to the method provided by the invention, an inorganic additive is added into conventional polyethylene, so that the high-strength performance of the material is effectively improved, and the preparation process is relatively simple; the preferred inorganic additive is added into a PE plastic, so that a volumeof the plastic product can be increased, the costs can be reduced, the hardness and rigidity can be improved, the shrinkage of the plastic product is reduced, and the dimensional stability is improved; aluminum oxide, silicon tetrafluoride and graphene are added, so that the processing properties of the plastic is improved, and the high strength performance is improved; and the method has obviouseffects in expansion of an application range of the polyethylene.

Description

technical field [0001] The invention relates to the field of plastic product production, in particular to a preparation method of a high-strength cosmetic bottle. Background technique [0002] With the continuous development of society, cosmetics have gradually entered the public from the stage, and there are more and more types of cosmetics. Cosmetic bottles are containers that can insulate gas from outside temperature or isolate external bacteria. From the material point of view, mainly glass bottles and plastics. Glass bottles are easily broken. There are also many disadvantages of plastic as a bottle material at present. [0003] Polyethylene (PE for short) is a thermoplastic resin obtained by polymerizing ethylene. In industry, it also includes copolymers of ethylene and a small amount of α-olefins. Polyethylene is odorless, non-toxic, feels like wax, has excellent low temperature resistance (minimum operating temperature can reach -100~-70°C), good chemical stabil...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08K9/02C08K3/22C08K3/04C08K9/04C08K7/08C08K13/06
Inventor 刘建龙
Owner 余姚市恒邦塑业有限公司
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