Silkworm chrysalis albumen spinning solution body and manufacture method thereof
The present invention relates to the new material and the manufacture method thereof of textile industry, particularly silkworm chrysalis albumen spinning solution body and manufacture method thereof.
At present, with soybean protein, peanut protein, zein is raw material, the albumen spinning solution body of making carries out spinning, all too low because of its fiber wet strength of making, and eliminated by other fibers, composite fibre is made in people's albumen spinning solution spinning of attempting again making with the milk casein then, but the milk casein costs an arm and a leg, the production cost height.And China has a large amount of silkworm chrysalises, and as the waste material of silk weaving, great majority are used as feed and fertilizer, and contains a large amount of available natural pupa albumen in the silkworm chrysalis.In the prior art, people utilize silkworm chrysalis to extract pupa protein production food, tonic beverage, compound amino acid etc., and extract the pupa casein process hides with silkworm chrysalis, (see the open CN1071209A of Chinese invention patent with the pupa protein liquid spinning that pupa casein is made, inventions such as the inventor), but its technological process is long, the PVA shrinkage is big, and hygroscopicity is bad, and dyeability is bad.
The object of the present invention is to provide a kind of silkworm chrysalis albumen spinning solution that utilizes pupa albumen to make, can with co-blended spinnings such as PVA, viscose glue, acrylic fibers.
Silkworm chrysalis albumen spinning solution body of the present invention includes pupa albumen 15~20%, acrylamide or acrylonitrile 1.5~6%, soft water 77~80%, NaOH 0.7~4%, hydrogen peroxide 0.05~0.1%.The process for making of this silkworm chrysalis albumen spinning solution body is as follows:
(1) with molecular weight between 1~80,000, protein content is at the pupa albumen more than 75%, put into temperature and be 60 ± 5 ℃ soft water rinsing repeatedly, up to the abundant swelling of pupa albumen, the pH value of rinsing liquid is 6~7, dehydration then obtains the pupa albumen after the rinsing.
(2) press pupa albumen: NaOH=1: 0.08~0.2 (solid weight ratio), it is that 60 ± 5 ℃, concentration are in the sodium hydrate aqueous solution of 1.2~2% (weight ratios) that pupa albumen after the rinsing is dissolved in temperature, constant temperature stirred 3~5 hours, obtained pupa albumen liquid.
(3) above-mentioned pupa albumen liquid is cooled to 40~45 ℃, after the hydrogen peroxide of adding 0.05~0.1% causes, press pupa albumen again: acrylamide or acrylonitrile=1: 0.1~0.3 (solid weight ratio) adds acrylamide or acrylonitrile, obtains the silkworm chrysalis albumen spinning solution body through fully stirring.
The present invention has the following advantages and effect:
Pupa albumen for spinning, under alkali condition, dissolubility is good, and its solution viscosity is stable, and same PVA, viscose glue, acrylic fibers etc. have common solvent, the co-blended spinning of having ready conditions.
The manufacture method of silkworm chrysalis albumen spinning solution body provided by the invention turns waste into wealth silkworm chrysalis, has made full use of the protein resource of China, has promoted COMPREHENSIVE UTILIZATION OF SILKWORM CHRYSALIS.
Below the invention will be further described with embodiment.
Embodiment 1:
With molecular weight is that 2.5 ten thousand pupa albumen 64kg, molecular weight are that 20,000 pupa albumen 8kg, molecular weight are 40,000 pupa albumen 8kg, the pupa albumen that amounts to 80kg, its protein content is 85%, put into temperature and be 65 ℃ soft water, per hour change soft water one time, temperature remains on 65 ℃ always, repeatedly rinsing to PH be 6 o'clock, stop rinsing, dehydration then obtains the pupa albumen 75kg (solid weight) after the rinsing; Press pupa albumen: NaOH=1: 0.08 (solid weight ratio), getting 6kg NaOH is dissolved in the 430kg soft water, when being heated to 60 ℃, it is in 60 ℃ of sodium hydroxide solutions that pupa albumen after the rinsing is added temperature, constant temperature stirred after 3 hours, get the sample check, do not have the above particle of 5 μ, stop to stir, begin then to filter, with solution cooling, when dropping to 40 ℃, add after the 0.5kg hydrogen peroxide causes after the filtration, press pupa albumen again: acrylamide=1: 0.1 (solid weight ratio), add acrylamide 7.5kg, constant temperature stirred 5 hours in the time of 40 ℃, obtained silkworm chrysalis albumen spinning solution body 490kg.This liquid can get 150kg albumen silk directly with the polyvinyl alcohol blending spinning.
Embodiment 2:
With molecular weight is that 50,000 pupa albumen 153kg, molecular weight are 60,000 pupa albumen 17kg, the pupa albumen that amounts to 170kg, its protein content is 75%, put into temperature and be 60 ℃ soft water, per hour change soft water one time, temperature remains on 60 ℃ always, repeatedly rinsing to PH be 6 o'clock, stop rinsing, dehydration obtains the pupa albumen 160kg (solid weight) after the rinsing then; Press pupa albumen: NaOH=1: 0.1 (solid weight ratio), getting 16kg NaOH is dissolved in the 800kg soft water, when being heated to 60 ℃, it is in 60 ℃ the sodium hydroxide solution that pupa albumen after the rinsing is added temperature, constant temperature stirred after 4 hours, sampling inspection, there is not the above particle of 5 μ, stop to stir, when after the filtration solution being cooled to 45 ℃, add after the 0.5kg hydrogen peroxide causes, press pupa albumen again: acrylamide=1: 0.1 (solid weight than) adding 16kg acrylamide, constant temperature stirred 7 hours in the time of 45 ℃, obtained silkworm chrysalis albumen spinning solution body 950kg.This liquid can get 300kg albumen silk directly with the viscose glue blending spinning.
Embodiment 3:
With molecular weight is that 70,000 pupa albumen 72kg, molecular weight are 80,000 pupa albumen 8kg, amount to the 80kg pupa albumen, put into temperature and be 65 ℃ soft water, per hour change soft water one time, temperature remains on 65 ℃ always, repeatedly rinsing to PH be 6 o'clock, stop rinsing, dehydration obtains the pupa albumen 75kg (solid weight) after the rinsing; Press pupa albumen: NaOH=1: 0.1 (solid weight ratio), get 7.5kg (solid weight), NaOH is dissolved in the 400kg soft water, when being heated to 60 ℃, it is in 60 ℃ the sodium hydroxide solution that pupa albumen after the rinsing is added temperature, constant temperature stirred 5 hours, inspection by sampling does not have the above particle of 5 μ, stops to stir, begin to filter, when after the filtration solution being cooled to 42 ℃, add after the 0.5kg hydrogen peroxide causes, press pupa albumen again: acrylonitrile=1: 0.1 (solid weight than) adding acrylonitrile 7.5kg, constant temperature stirred 6 hours in the time of 42 ℃, obtained silkworm chrysalis albumen spinning solution body 478kg.This liquid can get 150kg albumen silk directly with polyacrylonitrile blended spinning.