Unlock instant, AI-driven research and patent intelligence for your innovation.

A kind of uniform wall thickness blow molding water bag material and preparation method thereof

A water bag, uniform technology, applied in the field of materials, can solve the problems of large gap between the wall thickness of the remote end of the intake and the wall thickness of the seal, uneven product thickness, poor seal strength, etc., to improve the tensile properties and appearance of the melt Levels and enhances coverage

Active Publication Date: 2021-05-04
NANJING JULONG SCI&TECH CO LTD
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A kind of uniform wall thickness blow molding water bag material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0029] A preparation method of uniform wall thickness blow molding water bag material, comprising the following steps:

[0030] Mix 80-95 parts of polyethylene, 1-10 parts of sealing agent, 0.3-2 parts of anti-aging agent, and 0.5-2 parts of other additives in the mixer for 1-3 minutes, and add them into the twin-screw extruder through the hopper; Add 1-10 parts of filler and 1-15 parts of leveling modifier into the extruder through the first and second side feeding respectively, and carry out shear mixing, extrusion and stretching at a temperature of 130-200°C , Granulation, the screw speed is 400-800r / min, and the blow molding water bag material with uniform wall thickness can be obtained.

[0031] Wherein, the polyethylene is one or a mixture of high-density polyethylene, low-density polyethylene, linear low-density polyethylene, and metallocene polyethylene, preferably a mixture of low-density polyethylene and metallocene polyethylene.

[0032] The filler is one of graphi...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a uniform wall thickness blow molding water bag material and a preparation method thereof. The material of the present invention comprises the following components in parts by weight: 80-95 parts of polyethylene, 1-10 parts of filler, 1-15 parts of leveling modifier, 1-10 parts of sealing agent, and 0.3-2 parts of anti-aging agent part, other additives 0.5‑2 part. And discloses its preparation method. The material of the invention has high elongation rate, good melt tensile performance, strong coverage of flow defects in the molding process, and realizes smooth appearance, uniform wall thickness and good dimensional stability of the water bag in the blow molding process. In addition, the use of sealing agent enhances the bonding strength of the sealing part, which meets the requirements of the water bag drop test from a height of 1.6m.

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 ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/06C08L23/08C08L23/28C08K3/38C08K5/134C08K5/00C08L51/06C08K13/02C08K3/04C08K5/54C08K5/101C08K5/526C08K3/30C08K5/132C08K5/315B29B9/06
CPCB29B9/06C08K2003/3009C08K2003/385C08L23/06C08L23/0815C08L2205/025C08L2205/03C08L2205/035C08L2207/066C08L23/0869C08L23/286C08K3/38C08K5/1345C08K5/00C08L51/06C08K13/02C08K3/04C08K5/54C08K5/101C08K5/526C08K3/30C08K5/132C08K5/315
Inventor 王滨刘曙阳蒋顶军
Owner NANJING JULONG SCI&TECH CO LTD