CN102677392B - Production technology of biochemical hydrophilic silk non-woven fabric - Google Patents
Production technology of biochemical hydrophilic silk non-woven fabric Download PDFInfo
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Abstract
The invention discloses a production technology of biochemical hydrophilic silk non-woven fabric. The production technology comprises the following steps of: vibrating silkworm pupa in a pin type vibrator; performing biochemical treatment on the silkworm pupa full of pin holes taken out of the pin type vibrator or filature scraps in a biochemical jar to obtain silk fibers or blend fibers with oil content of less than 0.8% and glue content of less than or equal to 6%; and performing hydrophilic treatment on the silk fibers or blend fibers, and sufficiently mixing the silk fibers or blend fibers in a high-pressure airflow mixer, thus preparing the biochemical hydrophilic non-woven fabric from the treated silk fibers or blend fibers into. According to the invention, the prepared biochemical hydrophilic non-woven fabric has good air permeability and soft handfeel, is natural and environment-friendly, and avoids toxic and side effects; and products such as sanitary towel, paper diaper, adhesive bandage and the like prepared from the biochemical hydrophilic non-woven fabric has a healthcare function for the skin and is dry and breathable, so that a user feels comfortable when using the product.
Description
Technical field
The present invention relates to the production technology of spun-bonded non-woven fabrics, be specifically related to a kind of production technology of biochemical hydrophilic silk non-woven fabric.
Background technology
Chemical fibre, string, animal fiber etc. can make nonwoven fabric, and then make facial mask, amenities etc., but these Raw material processing processes are polluted, relatively thick and heavy, the easy bubble of the nonwoven fabric facial mask made, can fall down a little at a touch, and gas permeability is bad, not good with skin affinity, if take off the moisture that can absorb skin on the contrary not in time after having done; The residual fabric come off also can cause pruitus irritated on skin.Weakness makes the effect of this nonwoven fabric facial mask be restricted; Lose the meaning of face mask film.
Have now been developed silk fiber and make silk non-woven fabric, adopt the facial mask that silk non-woven fabric makes, the amenitiess such as sanitary napkin, sanitary paper, diaper, paper diaper, bandage, the hygiene articles for use such as wet tissue have great importance.Substantially adopt when but now silk fiber extracts and add a large amount of and multiple auxiliary chemicals and deoil and remove photoresist, auxiliary chemicals use more, and people use fabric allergic human population more, and not only process is easily polluted, silk can be made to lose the biological agent of itself, use also dangerous.
Summary of the invention
Goal of the invention: the object of the invention is the deficiency using a large amount of auxiliary chemicals in order to make up prior art, provides the production technology of a kind of softness, ventilative biochemical hydrophilic natural silk nonwoven fabric.
Technical scheme: a kind of production technology of biochemical hydrophilic nonwoven fabric, comprises the following steps:
1, native biochemical water is cultivated: silkworm chrysalis being put into needle gage is that the pin type vibrator of 2-3cm vibrates 2-3 minute, the silkworm chrysalis taking out the full pin hole of thorn puts into biochemical cylinder, add water, be warmed to 48-50 DEG C, keep 4-6 minute, be cooled to 40-42 DEG C, carry out the biochemical water 5-6 days of heat insulating culture, sampling, sees with or without enzyme output with microscope, and when observing the enzyme compared with multi-activity, biochemical water is made by oneself successfully; Make to produce in water to consume oil and the enzyme of softening silk gum.
2, boiling-off: be placed in vacuum barrel by silk cocoon and vacuumize, when vacuum temperature is greater than 98 DEG C, then keeps 15-20 pumpdown time second, then adds 24-26 DEG C of water water suction saturated, is then dried by water, then the cleaning that adds water, and pH value is 9.6-10.2; 100 DEG C of boiling-offs of heating, time 16-20 minute, takes out the silk cocoon of automatic vacuum boiling-off bucket; Vacuum and boiling-off make silk absorb water fully, and boiling-off is even, and the time is short, energy-saving and emission-reduction, improves the quality of silk, increase gas permeability and the water imbibition of silk.
3, biochemical treatment: the pupa machine that got on by the silk cocoon of above-mentioned process goes pupa to obtain floss, the biochemical water putting into step 1 cultivation carries out biochemistry, and biochemical coolant-temperature gage remains between 40-42 DEG C, biochemical time 3-4 days, treat oil content≤0.8% of floss, during content of silk gum≤6%, biochemical complete; Floss natural environmental-protective after biochemical treatment, have no side effect, energy-saving and emission-reduction, deoil, softening silk gum ability is stronger, make floss have more water imbibition, gas permeability, silk feel is more soft.
4, silk hydrophilic treatment is strengthened: taken out by biochemical for above-mentioned steps 3 good floss, put into 100 DEG C of high temperature clear water and boil 8-12 minute, clear water is cleaned, put into again the water-bath being added with hydrophilizing agent carry out immersion 10-12 minute after take out dry, selected, give temperature, combing, little for the silk 2-4cm of being cut into can be obtained silk, immersion makes silk more bulk ventilative, hydrophilic and oleophilic more, and there is sterilization effect.
5, nonwoven weaves front high pressure draught stir process: first in the cylinder of high pressure draught mixer, add hydrophilizing agent, and the silk fiber 100% above-mentioned 1,2,3,4 step process crossed is by fully stirring in conveyer belt input high pressure draught mixer.
6, the silk fiber of above-mentioned process is made described biochemical hydrophilic nonwoven fabric.
As optimization, in step 2 above, carry out after boiling-off drying, dewater, rinsing.
As optimization, in above-mentioned steps 3, biochemical pH value is 8-9.
As optimization, in above-mentioned steps 4, pH value is 9-11.
As optimization, in above-mentioned steps 4 and 5, described hydrophilizing agent is cationic surfactant benzalkonium chloride.
As optimization, in above-mentioned steps 4, described in be added with the water-bath bath raio hydrophilizing agent of hydrophilizing agent: water: silk is 0.005: 9: 1.
As optimization, in above-mentioned steps 5, first natural air is filtered during stirring, send into compression set, adopt and multi-layer porously spray into airflow stirring case, allow high pressure draught drive silk fiber to stir fast in the agitator tank of high pressure draught mixer, silk fiber is evenly bulk.Make silk fiber more bulk, as make during blending silk and blend fibre more even.Ratio is more accurate.
As optimization, silk mask, silk amenities, medical textile articles for use that described hydrophilic nonwoven fabrics can be made.
The present invention is by cultivating native biochemical water treatment silk cocoon, can produce in biochemical water and consume oil and the enzyme bacterium of softening silk gum, the oil in silk cocoon can be sucked, silk gum in softening silk cocoon, the biochemical nonwoven fabric that the silk cocoon extracted by this method is made adds acupuncture or water jet process can be used as silk mask, silk amenities, medical textile articles for use etc.Owing to containing 18 seed amino acids human body being had to nutritive value in silk, genus polyporus material, good permeability, water imbibition is splendid, and tyrosine can also suppress melanic generation in skin effectively, and logical nonwoven fabric facial mask does not then have these effects.The nonwoven fabric made with silk fiber uses for wound dressing, wound dressing of burn after operation, contributes to wound healing and non-stimulated, is called as " artificial skin ".The silk non-woven fabric made with the silk fiber extracted through biochemical treatment makes facial mask; safety coefficient is high, has whitening effect, and quality is light, thin, soft, good permeability; transparent shape; applicating property is strong, even if after sticking facial mask, can work normally too; do not affect normal activity; stick because frivolous, so after applying facial mask, carefully do not see and substantially do not see there is what too large difference with not face mask film.
Beneficial effect: the biochemical hydrophilic nonwoven fabric good permeability that the present invention obtains, soft, natural environmental-protective, to have no side effect, but its product such as sanitary napkin, paper diaper, bandage made has health care skin, dry and comfortable ventilative effect, human body uses more comfortable, sericin sex change in the silk fiber that biochemical treatment of the present invention is extracted is few, remain the nutrition of sericin, health-care effect, more easily permeate at the skin of human epidermal with the face paper that this silk fiber hydrophilic nonwoven fabrics is made, accelerate the metabolism of skin.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described:
Embodiment 1
A production technology for biochemical hydrophilic nonwoven fabric, comprises the following steps:
1, native biochemical water is cultivated: silkworm chrysalis is put into the pin type vibrator vibration 2 minutes that needle gage is 2cm, the silkworm chrysalis taking out the full pin hole of thorn puts into biochemical cylinder, add water, be warmed to 48 DEG C, keep 4 minutes, be cooled to 40 DEG C, carry out the biochemical water of heat insulating culture 5 days, sampling, sees with or without enzyme output with microscope, and when observing the enzyme compared with multi-activity, biochemical water is made by oneself successfully;
2, boiling-off: be placed in vacuum barrel by silk cocoon and vacuumize, when vacuum temperature is greater than 98 DEG C, then keeps 15 second pumpdown time, then adds 24 DEG C of water water suctions saturated, is then dried by water, then the cleaning that adds water, and pH value is 9.6-10.2; 100 DEG C of boiling-offs of heating, 16 minutes time, take out the silk cocoon of automatic vacuum boiling-off bucket; Then carry out drying, dewater, rinsing.
3, biochemical treatment: the pupa machine that got on by the silk cocoon of above-mentioned process goes pupa to obtain floss, the biochemical water putting into step 1 cultivation carries out biochemistry, and biochemical pH value is 8, biochemical coolant-temperature gage remains on 40 DEG C, the biochemical 3 days time, treats oil content≤0.8% of floss, during content of silk gum≤6%, biochemical complete;
4, silk hydrophilic treatment is strengthened: taken out by biochemical for above-mentioned steps 3 good floss, put into 100 DEG C of high temperature clear water and boil 8 minutes, pH value is 9-11, clear water is cleaned, put into again the water-bath being added with cationic surfactant benzalkonium chloride hydrophilizing agent carry out immersion take out after 10 minutes oven dry, selected, give temperature, combing, little for the silk 2cm of being cut into can be obtained silk, be added with the water-bath bath raio hydrophilizing agent of hydrophilizing agent: water: silk is 0.005: 9: 1.
5, nonwoven weaves front high pressure draught stir process: first in the cylinder of high pressure draught mixer, add hydrophilizing agent, the silk fiber 100% above-mentioned 1,2,3,4 step process crossed is by fully stirring in conveyer belt input high pressure draught mixer, first natural air is filtered during stirring, send into compression set, adopt and multi-layer porously spray into airflow stirring case, high pressure draught is allowed to drive silk fiber to stir fast in the agitator tank of high pressure draught mixer, silk fiber is evenly bulk.
6, the silk fiber of above-mentioned process is made described biochemical hydrophilic nonwoven fabric, silk mask, silk amenities, medical textile articles for use that this hydrophilic nonwoven fabrics can be made.
Embodiment 2
A production technology for biochemical hydrophilic nonwoven fabric, comprises the following steps:
1, native biochemical water is cultivated: silkworm chrysalis is put into the pin type vibrator vibration 2.5 minutes that needle gage is 2.5cm, the silkworm chrysalis taking out the full pin hole of thorn puts into biochemical cylinder, add water, be warmed to 49 DEG C, keep 5 minutes, be cooled to 41 DEG C, carry out the biochemical water of heat insulating culture 5.5 days, sampling, sees with or without enzyme output with microscope, and when observing the enzyme compared with multi-activity, biochemical water is made by oneself successfully;
2, boiling-off: be placed in vacuum barrel by silk cocoon and vacuumize, when vacuum temperature is greater than 98 DEG C, then keeps 17 second pumpdown time, then adds 25 DEG C of water water suctions saturated, is then dried by water, then the cleaning that adds water, and pH value is 9.6-10.2; 100 DEG C of boiling-offs of heating, 18 minutes time, take out the silk cocoon of automatic vacuum boiling-off bucket; Then carry out drying, dewater, rinsing.
3, biochemical treatment: the pupa machine that got on by the silk cocoon of above-mentioned process goes pupa to obtain floss, the biochemical water putting into step 1 cultivation carries out biochemistry, biochemical pH value is 8-9, biochemical coolant-temperature gage remains on 41 DEG C, the biochemical 3.5 days time, treat oil content≤0.8% of floss, during content of silk gum≤6%, biochemical complete;
4, silk hydrophilic treatment is strengthened: taken out by biochemical for above-mentioned steps 3 good floss, put into 100 DEG C of high temperature clear water and boil 10 minutes, pH value is 9-11, clear water is cleaned, put into again the water-bath being added with cationic surfactant benzalkonium chloride hydrophilizing agent carry out immersion take out after 11 minutes oven dry, selected, give temperature, combing, little for the silk 3cm of being cut into can be obtained silk, be added with the water-bath bath raio hydrophilizing agent of hydrophilizing agent: water: silk is 0.005: 9: 1.
5, nonwoven weaves front high pressure draught stir process: first in the cylinder of high pressure draught mixer, add hydrophilizing agent, the silk fiber 100% above-mentioned 1,2,3,4 step process crossed is by fully stirring in conveyer belt input high pressure draught mixer, first natural air is filtered during stirring, send into compression set, adopt and multi-layer porously spray into airflow stirring case, high pressure draught is allowed to drive silk fiber to stir fast in the agitator tank of high pressure draught mixer, silk fiber is evenly bulk.
6, the silk fiber of above-mentioned process is made described biochemical hydrophilic nonwoven fabric, silk mask, silk amenities medical textile articles for use that this hydrophilic nonwoven fabrics can be made.
Embodiment 3
A production technology for biochemical hydrophilic nonwoven fabric, comprises the following steps:
1, native biochemical water is cultivated: silkworm chrysalis is put into the pin type vibrator vibration 3 minutes that needle gage is 3cm, the silkworm chrysalis taking out the full pin hole of thorn puts into biochemical cylinder, add water, be warmed to 50 DEG C, keep 6 minutes, be cooled to 42 DEG C, carry out the biochemical water of heat insulating culture 6 days, sampling, sees with or without enzyme output with microscope, and when observing the enzyme compared with multi-activity, biochemical water is made by oneself successfully;
2, boiling-off: be placed in vacuum barrel by silk cocoon and vacuumize, when vacuum temperature is greater than 98 DEG C, then keeps 20 second pumpdown time, then adds 26 DEG C of water water suctions saturated, is then dried by water, then the cleaning that adds water, and pH value is 9.6-10.2; 100 DEG C of boiling-offs of heating, 20 minutes time, take out the silk cocoon of automatic vacuum boiling-off bucket; Then carry out drying, dewater, rinsing.
3, biochemical treatment: the pupa machine that got on by the silk cocoon of above-mentioned process goes pupa to obtain floss, the biochemical water putting into step 1 cultivation carries out biochemistry, biochemical pH value is 8-9, biochemical coolant-temperature gage remains on 42 DEG C, the biochemical 4 days time, treat oil content≤0.8% of floss, during content of silk gum≤6%, biochemical complete;
4, silk hydrophilic treatment is strengthened: taken out by biochemical for above-mentioned steps 3 good floss, put into 100 DEG C of high temperature clear water and boil 12 minutes, pH value is 9-11, clear water is cleaned, put into again the water-bath being added with cationic surfactant benzalkonium chloride hydrophilizing agent carry out immersion take out after 12 minutes oven dry, selected, give temperature, combing, little for the silk 4cm of being cut into can be obtained silk, be added with the water-bath bath raio hydrophilizing agent of hydrophilizing agent: water: silk is 0.005: 9: 1.
5, nonwoven weaves front high pressure draught stir process: first in the cylinder of high pressure draught mixer, add hydrophilizing agent, the silk fiber 100% above-mentioned 1,2,3,4 step process crossed is by fully stirring in conveyer belt input high pressure draught mixer, first natural air is filtered during stirring, send into compression set, adopt and multi-layer porously spray into airflow stirring case, high pressure draught is allowed to drive silk fiber to stir fast in the agitator tank of high pressure draught mixer, silk fiber is evenly bulk.
6, the silk fiber of above-mentioned process is made described biochemical hydrophilic nonwoven fabric, silk mask, silk amenities, medical textile articles for use that this hydrophilic nonwoven fabrics can be made.
Claims (8)
1. a production technology for biochemical hydrophilic nonwoven fabric, is characterized in that: comprise the following steps:
(1) native biochemical water is cultivated: silkworm chrysalis being put into needle gage is that the pin type vibrator of 2-3cm vibrates 2-3 minute, the silkworm chrysalis taking out the full pin hole of thorn puts into biochemical cylinder, add water, be warmed to 48-50 DEG C, keep 4-6 minute, be cooled to 40-42 DEG C, carry out the biochemical water 5-6 days of heat insulating culture, sampling, sees with or without enzyme output with microscope, and when observing the enzyme compared with multi-activity, biochemical water is made by oneself successfully;
(2) boiling-off: be placed in vacuum barrel by silk cocoon and vacuumize, when vacuum temperature is greater than 98 DEG C, then keeps 15-20 pumpdown time second, then adds 24-26 DEG C of water water suction saturated, is then dried by water, then the cleaning that adds water, and pH value is 9.6-10.2; 100 DEG C of boiling-offs of heating, time 16-20 minute, takes out the silk cocoon of automatic vacuum boiling-off bucket;
(3) biochemical treatment: the pupa machine that got on by the silk cocoon of above-mentioned process goes pupa to obtain floss, the biochemical water putting into step (1) cultivation carries out biochemistry, biochemical coolant-temperature gage remains between 40-42 DEG C, biochemical time 3-4 days, treat oil content≤0.8% of floss, during content of silk gum≤6%, biochemical complete;
(4) silk hydrophilic treatment is strengthened: taken out by biochemical for above-mentioned steps (3) good floss, put into 100 DEG C of high temperature clear water and boil 8-12 minute, clear water is cleaned, then put into the water-bath being added with hydrophilizing agent carry out immersion 10-12 minute after take out dry, selected, give temperature, combing, little for the silk 2-4cm of being cut into can be obtained silk;
(5) nonwoven weaves front high pressure draught stir process: first in the cylinder of high pressure draught mixer, add hydrophilizing agent, and the silk fiber 100% above-mentioned (1), (2), (3), (4) step process crossed is by fully stirring in conveyer belt input high pressure draught mixer;
(6) silk fiber of above-mentioned process is made described biochemical hydrophilic nonwoven fabric.
2. the production technology of biochemical hydrophilic nonwoven fabric according to claim 1, is characterized in that: in above-mentioned steps (2), carries out drying, dewaters, rinsing after boiling-off.
3. the production technology of biochemical hydrophilic nonwoven fabric according to claim 1, it is characterized in that: in above-mentioned steps (3), biochemical pH value is 8-9.
4. the production technology of biochemical hydrophilic nonwoven fabric according to claim 1, it is characterized in that: in above-mentioned steps (4), pH value is 9-11.
5. the production technology of biochemical hydrophilic nonwoven fabric according to claim 1, is characterized in that: in above-mentioned steps (4) and (5), described hydrophilizing agent is cationic surfactant benzalkonium chloride.
6. the production technology of biochemical hydrophilic nonwoven fabric according to claim 1, is characterized in that: in above-mentioned steps (4), described in be added with the water-bath bath raio hydrophilizing agent of hydrophilizing agent: water: silk is 0.005: 9: 1.
7. the production technology of biochemical hydrophilic nonwoven fabric according to claim 1, it is characterized in that: in above-mentioned steps (5), first natural air is filtered during stirring, send into compression set, adopt and multi-layer porously spray into airflow stirring case, high pressure draught is allowed to drive silk fiber to stir fast in the agitator tank of high pressure draught mixer, silk fiber is evenly bulk.
8. according to the production technology of biochemical hydrophilic nonwoven fabric described in any one in claim 1 to 7, it is characterized in that: silk mask, silk amenities, medical textile articles for use that described hydrophilic nonwoven fabrics can be made.
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| CN110258121A (en) * | 2019-05-20 | 2019-09-20 | 江苏蓝丝雨生物科技有限公司 | A kind for the treatment of fluid and the silk that quickly absorbs water |
| CN110215351A (en) * | 2019-06-06 | 2019-09-10 | 杭州贝高母婴用品有限公司 | A kind of soft, paper diaper of pro-skin and its production technology |
| CN114249805B (en) * | 2021-12-24 | 2024-04-19 | 中科国思生物科技研究（广州）有限公司 | Preparation method of active macromolecular sericin and dry sheet thereof |
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Effective date of registration: 20160413 Address after: 226600, Haiphong Road, Chengdong Town, Haian County, Jiangsu, Nantong, 33 Patentee after: Jiangsu Siyujiaqi Technology Co., Ltd. Address before: 226600 No. 33, Haiphong Road, Haian County, Jiangsu, Nantong Patentee before: Jiangsu Sixiang Silk Co., Ltd. |