Blow molding water bag material with uniform wall thickness and preparation method thereof

Abstract

The invention discloses a blow molding water bag material with a uniform wall thickness and a preparation method thereof. The blow molding water bag material is prepared from the following componentsin parts by weight: 80-90 parts of polyethylene, 1-10 parts of filler, 1-15 parts of leveling modifier, 1-10 parts of sealing agent, 0.3-2 parts of inhibitor, and 0.5-2 parts of other additives. The invention further discloses a preparation method of the blow molding water bag material. The blow molding water bag material has the advantages of high elongation, good melt tensile property, and strong coverage for flow defects in molding process, thus, the water bag is flat and smooth in appearance, uniform in wall thickness and good in size stability. In addition, the adoption of sealing agent enhances the bonding strength at seals, and the experimental requirement of water bags dropping with 1.6 m high full water is met.

Description

technical field [0001] The invention relates to an automobile air duct material and a preparation method thereof, in particular to a uniform wall thickness blow-molded water bag material and a preparation method thereof, belonging to the field of material technology. Background technique [0002] Water bags have a wide range of uses, including industry, agriculture, medicine, and daily life. Water bags, especially three-dimensional, heavy-duty, thick-walled water bags, are mainly prepared by blow molding. However, in the existing water bag forming process, there are two major challenges: 1. Due to the large stretching, the wall thickness of the water bag has a large gap between the wall thickness of the far end of the intake and the wall thickness of the seal, resulting in uneven thickness of the product; 2. 1. The sealing strength of the existing water bag products is poor, and it is difficult to pass the test requirements of 1.6m height full water drop. Contents of the ...

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Problems solved by technology

However, in the existing water bag forming process, there are two major challenges: 1. Due to the large stretching, the wall thickness of the water bag has a large gap between the wall thickness of the far end of the intake and the wall thickness of the seal, resulting in uneven thickness of the product; 2. , The sealing strength of the existing water bag products is poor, and it is difficult to pass the test requirements of the 1.6m height full water drop test

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