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Composite non-woven fabric based on eggshell inner membrane and black rice and preparing method thereof

A technology of egg shells and non-woven fabrics, which is applied in non-woven fabrics, electrospinning, textiles and papermaking, etc., can solve the problem of low utilization rate of egg shells and their inner membranes, and achieve light and thin paper with good skin-friendly properties , good biocompatibility

Active Publication Date: 2016-09-21
上海即索实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Egg is an ideal natural food for human beings. It is cheap and good, and has a wide range of sources. People eat more egg white and egg white, and the utilization rate of egg shell and its inner membrane is not high.

Method used

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  • Composite non-woven fabric based on eggshell inner membrane and black rice and preparing method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0029] (1) Remove the eggshell inner membrane from fresh eggs, dissolve 1g of the eggshell inner membrane in 5ml lithium bromide solution, hydrolyze at 50°C for 15 minutes, and dialyze and concentrate to obtain the eggshell inner membrane with a mass fraction of 5%. solution, adding 10% mass fraction of silk protein solution to the eggshell inner membrane solution with a volume ratio of 1:3, fully stirring, concentrating to form a spinning solution, and standing for defoaming, under 15KV voltage, with 0.5ml / h speed electrospinning, the fiber membrane containing eggshell inner membrane was received at 20cm.

[0030] (2) Dry the black rice and grind it into 3 μm black rice starch, add 1 g of black rice starch into 30 ml of ethanol solvent, stir well until mixed evenly, then add 5 ml of 15 g / L sodium hydroxide solution, and heat at 35 ° C Alkaline for 60 minutes, then add 3ml of citric acid and 30ml of silk protein solution with a mass fraction of 10%, fully stir, concentrate to...

Embodiment 2

[0033] (1) Remove the eggshell inner membrane from fresh eggs, dissolve 1g of the eggshell inner membrane in 10ml lithium bromide solution, hydrolyze at 65°C for 30min, and dialyze and concentrate to obtain the eggshell inner membrane with a mass fraction of 10%. Solution, add silk protein solution with a mass fraction of 15% to the eggshell inner membrane solution with a volume ratio of 1:5, stir well, concentrate to form a spinning solution, and after standing for defoaming, under 20KV voltage, use 1ml / The speed of electrospinning is h, and the fiber membrane containing the egg shell inner membrane is received at 25 cm.

[0034] (2) Dry the black rice and grind it into 5 μm black rice starch, add 1 g of black rice starch into 30 ml of ethanol solvent, stir well until the mixture is uniform, then add 10 ml of 20 g / L sodium hydroxide solution, and heat at 40 ° C Alkaline for 90 minutes, then add 3ml citric acid and 40ml silk protein solution with a mass fraction of 15%, fully...

Embodiment 3

[0037] (1) Remove the inner membrane of the eggshell from fresh eggs, dissolve 1g of the inner membrane of the eggshell in 6ml of lithium bromide solution, hydrolyze it at a constant temperature of 55°C for 20min, and obtain the inner membrane of the eggshell with a mass fraction of 7% after dialysis and concentration Solution, add silk protein solution with a mass fraction of 12% to the eggshell inner membrane solution with a volume ratio of 1:4, stir well, concentrate to form a spinning solution, and after standing for defoaming, under 18KV voltage, use 0.7ml / h speed electrospinning, the fibrous membrane containing egg shell inner membrane was received at 22cm.

[0038] (2) Dry the black rice and grind it into 4 μm black rice starch, add 1 g of black rice starch into 30 ml of ethanol solvent, stir well until mixed evenly, then add 8 ml of 17 g / L sodium hydroxide solution, and heat at 36 ° C Alkalinize for 70 minutes, then add 3ml of citric acid and 35ml of silk protein soluti...

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Abstract

The invention provides a method for preparing a composite non-woven fabric based on an eggshell inner membrane and black rice. The method comprises the steps of taking the eggshell inner membrane in a fresh egg out to be dissolved in lithium bromide solution at a constant temperature for hydrolysis, obtaining eggshell inner membrane solution after dialysis concentration, adding fibroin solution to the eggshell inner membrane solution to form spinning solution, and conducting electrostatic spinning to obtain a fibrous membrane containing the eggshell inner membrane; adding black rice starch to ethyl alcohol solvent, conducting sufficient stirring till uniform mixing, then adding alkali liquor, conducting heating for alkalization, adding citric acid and fibroin solution to form spinning solution, conducting standing defoaming, and obtaining a fibrous membrane containing black rice starch after electrostatic spinning; laminating the fibrous membrane containing the eggshell inner membrane with the fibrous membrane containing black rice starch by means of a Yatai laminator to obtain the composite non-woven fabric based on the eggshell inner membrane and black rice.

Description

technical field [0001] The invention belongs to the technical field of textile materials, and in particular relates to a composite nonwoven fabric based on egg shell inner membrane and black rice and a preparation method thereof. Background technique [0002] With the continuous improvement of people's living standards, people's requirements for ingredients are getting higher and higher, and the precision and quality of ingredients are getting higher and higher. However, many subsidiary products of food materials are ignored by people, and most of them are turned into garbage, which not only wastes resources but also pollutes the environment. In recent years, with the popularity of green and sustainable concepts, many ingredients have been developed and used in other fields in order to increase their economic value. [0003] Egg is an ideal natural food for human beings. It is cheap and good, and has a wide range of sources. People eat egg white and egg white more, and the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D04H1/728D04H1/4382D04H1/4374D01D5/00
CPCD01D5/003D01D5/0092D04H1/4374D04H1/4382D04H1/728
Inventor 王文庆
Owner 上海即索实业有限公司
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