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Environment-friendly and degradable sign pen case material based on mung bean starch, production method and application thereof

A technology of mung bean starch and signature pens, which can be applied to pen holders, printing, writing utensils, etc., can solve the problems of easy pollution and difficult degradation, and achieve the effect of easy materials

Inactive Publication Date: 2016-02-03
徐致远
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although these synthetic chemical materials come from a wide range of sources and are easy to shape, they are difficult to degrade and easy to pollute.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Buy the mung bean starch that amylose mass fraction is 55% and get 100 parts by mass unit, then add 8 parts of palm wax, 3 parts of beeswax, 13 parts of lignocellulose, 1 part of emulsifier and 200 parts of water in mass proportion, The emulsifier used is a compound of carrageenan and Span 80 with a mass ratio of 1:1. It is heated to 80°C and mixed for extrusion and expansion. A single-screw extruder is used for extrusion. The pressing process parameters are: die hole diameter 8mm, screw speed 50r / min, sleeve temperature 98°C, the extruded granules are naturally air-dried to a moisture content of 4%, and an environmentally friendly and degradable signature pen shell based on mung bean starch is obtained The set material is pale yellow granules.

Embodiment 2

[0016] Purchasing amylose mass fraction is 48% mung bean starch and gets 100 parts by mass unit, then adds 7 parts of palm wax, 5 parts of beeswax, 16 parts of lignocellulose, 2 parts of emulsifier and 190 parts of water in mass proportion, The emulsifier used is a compound of Span 60 and konjac gum with a mass ratio of 1:1, heated to 78°C and mixed, and then extruded and extruded. The process parameters are: the diameter of the die hole is 6mm, the screw speed is 55r / min, and the sleeve temperature is 95°C. After the extruded particles are naturally air-dried to a moisture content of 5%, the environmentally friendly and degradable signature pen shell based on mung bean starch is obtained. The material is pale yellow granules.

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PUM

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Abstract

The invention relates to an environment-friendly and degradable sign pen case material based on mung bean starch, a production method and an application thereof, which belong to the field of deep processing application of a natural material. The invention discloses a technology for producing a degradable material which can be widely used for a sign pen case, the technology employs mung bean starch as a main material, an auxiliary material employs palm wax, beeswax, lignocellulose and an emulsifier, water is added, and the above materials are mixed according to a proportion, then a miture is extruded and expanded, and dried in air to obtain a product. The product is the light yellow particles, while in use, hot water is added for slurry mixing, then the material is dumped into a die for molding, the material is used for producing the case and / or a pen container part of the sign pen, the product has the advantages of wide source, low cost, safety and degradable performance, the processing operation is convenient, the material is easily molded, and the material is suitable for various scales production.

Description

technical field [0001] The invention relates to an environment-friendly and degradable signature pen casing material based on mung bean starch, a preparation method and application thereof, and belongs to the field of deep processing of natural materials. Background technique [0002] At present, the pen caps and pen holders used in the signature pen industry all use petroleum processing materials such as polyethylene and polyvinyl chloride. Although these synthetic chemical materials come from a wide range of sources and are easy to shape, they are difficult to degrade and easy to pollute. Due to the nationwide large-scale use of signature pens, it is urgent to develop a natural material that is environmentally friendly, easily degradable, easy to form and has a wide range of sources as the raw material for the production and processing of signature pen caps and pen holders. Starch raw materials from a wide variety of sources have different proportions of amylose and amylo...

Claims

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Application Information

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IPC IPC(8): C08L3/02C08L91/06C08L1/02B29C47/92B43K3/00B29C48/92
Inventor 徐致远
Owner 徐致远
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