CN1552972A - Functional silk non-woven xysma and producing process thereof - Google Patents
Functional silk non-woven xysma and producing process thereof Download PDFInfo
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Abstract
Functional silk non-woven wadding is prepared from natural silk, plant resin emulsion and inorganic nano bactericidal. The said emulsion is of self cross-linked anion resin, co-polymerized from acrylic diester, arylonitrile itaconic acid and N hydroxy acrylamide as cross-linking agent. The ratio of emulsion : silk is 100: (1.5-5.0) by dry weight. Silver ion nano bactericidal is also added into the wadding with the ratio of the bactericidal : silk is 100: (0.5-15.0). The product is soft and light, moisture-absorbing and gas permeable, high thermal insulation, elastic, water washing resistance, safety and usable widely.
Description
Technical field
The present invention relates to a kind of nonwoven flocculus, relate in particular to a kind of functional silk nonwoven flocculus.
Background technology
The mankind have entered the 21 century of scientific and technical high development, and the textiles consumption that people depend on for existence will be the theme with the natural green environmental protection.Yet along with continuous progress in science and technology, the appearance of a large amount of emulation chemical fibres, make silk protein fiber present many weak relatively property with long history, such as elasticity, washing performance, wrinkle resistance, tinctorial property or the like, become the obstacle of people's green consumption, therefore how to give traditional silk natural quality, the chemical fibre performance becomes numerous enterprises technical barrier to be solved.Can affirm that if solved silk these " weak property ", along with the quickening of global economic integration progress, new functional silk product will broad market prospect.
The expert of material engineering institute of University Of Suzhou (silk engineering college) who is in silk new material research forefront is obtaining many achievements aspect the silk new material.Proposed and developed a kind of antibiotic real silk non-woven cloth in 1998 by professor Sheng Jiayong, it is the thin non-woven fabric that raw material is made that this nonwoven fabric adopts real silk and natural polysaccharide, through experiment, washing performance is strong inadequately, inelastic property, mainly be because of silk fiber tiny, density is big, and adhesive only is sprinkled upon the surface of cloth when bonding, does not penetrate, cause cloth intermediate layer adhesive-free, the anti-washing property of adhesive itself is not strong in addition, obvious layering occurs, and this method can only be produced the anti-cloth of slim and extra-thin nothing, below the 40g/, thickeied with regard to inelastic property and washing property and can say.To go out ginnings on a combing machine extremely low in addition, also can only produce the 50-60 kilogram in one day 24 hours, and energy consumption is big, cost height, domestic present no scale manufacturer.Certain this nonwoven fabric mainly is to be used for doing hygienic material, and what emphasize is natural antibacterial, and washing and resilience are not considered.
Silk new material expert doctor Chen Yuyue has successfully developed bulk stretch silk, is used for the real silk garment production, has produced good economic benefit, and national multinomial physicism problem has been accepted in the laboratory that he presides over.There are the multinomial successes achieved in research prize-winning at home and abroad, enjoy a very good reputation in silk new material research field.The research that the silk porous fibre generates is being carried out in this laboratory at present, and this technology is present silk field of new technology foremost in the world.
Nonwoven industry city, the whole nation, nonwoven industry leading enterprise, also being the unique listed company of national nonwoven industry---the glad imperial nonwoven in Hainan Co., Ltd has developed a kind of anti-bacterial water prick nonwoven cloth, adopting silk and AB anti-bacterial fibre composite is the spunlace non-woven cloth that raw material is made, and it is mainly used in does hygienic material, and production cost is higher, article one, complete production line is at several ten million yuan, drop into hugely, consider that from the angle of economic benefit its promotional value is little.
The silk fiber new product is also studied by scientific research institutions such as material engineering institute of Zhejiang University (silk engineering college), Shanghai weaving university, textile science institute to some extent, obtained many achievements, mainly at aspects such as emulation silk and blending.The research of fine count fiber and superfine Denier fibre, polynary composite fibre, the mixed many group combined filaments of single group, special fibre at present belongs to international and domestic advanced subject, silk fiber is good by many domestic and international experts especially, because the silk protein fiber contains 18 seed amino acids, be nutritious.Japan is being in rank first always aspect the silk fiber research, especially the research field at silk-fibroin has reached a very high level: for example the nutrient of silk-fibroin quench get, high tonic cosmetics, skin care products, wound medicine and other health products etc.There is data to be presented at Japanese silk product and is called as second skin, it serves to show the promotion power of its product and in consumer's influence power in the heart.
Current international and domestic silk research mainly is the natural defect that solves silk: not water-fastly wash, lack resilience, easily wrinkle, easy drawback such as fade, keep that it is natural, light, soft, moisture absorption, ventilative advantage.A lot of emulation silk products in the market all are based on the product of this target, China emulation silk production base---Wujiang, Jiangsu contains that product that damp many staples interweave just copys according to these dominance of silk, these linings have been realized the unification of silk and chemical fibre dominance, have reached quite high technical level.Can affirm, along with China's rapid development of economy, continuous progress in science and technology, the silk series products will emerge in an endless stream, and satisfy the ever-increasing green consumption demand of consumer.
Summary of the invention
The objective of the invention is to: provide that a kind of light softness, moisture absorption are ventilative, extremely efficient in preserving heat, resilience is washed well, water-fast, the functional silk nonwoven flocculus of antibiosis anti-acarien, and the manufacture craft of this functional silk nonwoven flocculus is provided simultaneously.
Functional silk nonwoven flocculus of the present invention is made with extra care and is formed by natural silk, propolis emulsion, inorganic nano antiseptic, this emulsion be by acrylic acid two fat, the fine methylene-succinic acid of propylene and the copolymerization of cross linking agent N-hydroxyacrylamide form pure third from interlinkage anionic resin emulsion, its consumption is 100 with the dry weight ratio of silk: 1.5-5.0, i.e. 100 silk dry weight 1.5-5.0 dry weight resin emulsion.
Increasing in the functional silk nonwoven flocculus of the present invention has the silver ion inorganic nano antiseptic, and its consumption is 100 with the dry weight ratio of silk: 0.5-15.0.
Functional silk nonwoven flocculus of the present invention completes through following technology:
(1) raw material sorts; Remove the foreign material in the short silk fiber, the processing of coming of the silk branch of different colours;
(2) silk preliminary treatment: the silk raw material of putting in order are carried out shredding on opener, further shake off to stick to dust and foreign material on the silk, make the fiber length of silk consistent, on the silk short fiber after the shredding, evenly spray softener and left standstill 18-24 hour;
(3) silk combing: the silk that presets is carried out combing with combing machine, reach and do not contain filament and foreign material in the silk, make the length unanimity of fiber;
(4) silk is expanded concise: with the silk of combing put into concise liquid carry out concise, with the proportion white silk of silk between the 1.00-1.25;
(5) shredding, hello cotton; On the staple fibre opener, refined short silk fiber is broken up shredding, send into airflow duct, make fiber kick up fully and roll, enter down the airtight hopper that has pressure together;
(6) mechanical pelleting becomes net: the silk in the hopper enters in the carding machine under the effect of pressure and roller smoothly, short silk fiber less, the band fine hair is passed through the friction effect of high speed circular motion and card clothing in looser card clothing space, rub into irregular particle, the tiling back is evenly sent by roller;
(7) plant is bonding: become the silk behind the net to send into constant temperature oven by the automatic transport lace curtaining, before entering baking oven, by a glue-spraying device, the binder resin emulsion for preparing is sprinkled upon the two sides of silk flocculus equably after atomizing.
(8) constant temperature drying: 60 ℃-80 ℃ of oven temperatures, time 15-25min;
In the functional silk nonwoven flocculus manufacture craft of the present invention, adopt soap-alkaline process when concise: technological process is: preliminary treatment → just practice → practice → adding again softens brightens → practices post processing;
(a) preliminary treatment: place the soda ash solution of 0.3-0.8g/l to handle 20-40min (60-90 ℃ of hot solution) silk fiber;
(b) just practice: just white silk is the main process of coming unstuck, and can remove a large amount of other impurity in the silk fiber, and its auxiliary agent prescription is: soap 3-11g/l, soda ash 0.3-3g/l, bubble flower alkali 0.8-3g/l, sodium hydrosulfite, 0.2-0.8g/l, surplus are water; Process conditions are: temperature 98-100 ℃, and time 45-60min, molten ratio 1: 30-60, pH value 9.5-11, residual silkgum content 8-10%; The compound method of concise liquid is: after water heats up, add soda ash and boil and boil 5-10min, drag for calcium, magnesium salts scum silica frost that the clear liquid face may occur, impouring is dissolved good soap solution in advance and is boiled 5-10min and get final product blanking;
(c) the multiple white silk: the multiple purpose of practicing is further to remove the cull that remains on the fiber and remove the contamination of just practicing fiber in the liquid, and the auxiliary agent prescription is: soap 3-7g/l, soda ash 0.1-0.8/l, bubble flower alkali 0.8-2.4/l, sodium hydrosulfite 0.1-0.5g/l; Process conditions are: temperature 98-100 ℃, and time 30-60min, molten ratio 1: 30-60, pH value 8.5-10.5, residual silkgum content 2-4%;
(d) practice post processing: wash drying behind three roads, heated-air drying in (70-80 ℃) reaches between the 8-10% regain of fiber in hot dryer.
Functional silk nonwoven flocculus manufacture craft of the present invention also can adopt synthetic detergent-alkaline process when concise: technological process: preliminary treatment → just experienced → answer and practice → brighten → practice post processing
(a) preliminary treatment: auxiliary formula: soda ash 0.5-1.5/l, bleeding agent 0.1-0.8g/l; Process conditions: temperature 45-85 ℃, time 60-90min, molten ratio 1: 30-60, pH value 8.5-10.5;
(b) just practice: auxiliary formula: soda ash 0.3-1.2g/l, sodium metasilicate 1-1.5g/l, fiber wash agent 1-2g/l, sodium hydrosulfite 0.1-0.7g/l surplus is a water; Process conditions: temperature 95-98 ℃, time 60-90min, molten ratio 1: 30-60, pH value 8.5-10.5, residual silkgum content 9%-12%,
(c) the multiple white silk: auxiliary formula: soda ash 0.1-0.8g/l, peregal 0.2-0.4g/l, sodium hydrosulfite 0.1-0.5g/l; Process conditions: temperature 95-98 ℃, time 30-60min, molten ratio 1: 30-60, pH value 8.5-10.5, residual silkgum content 2%-4%;
(d) practice post processing: washing (95-98 ℃) 15-30min adds 0.4-0.5g/l soda ash for the first time, washes 60-70 ℃ of 20-30min for the second time, for the third time washing (room temperature) 10-20min (adding 0.25-0.4mol/l soda ash)
(e) dewatered drying.
Functional silk nonwoven flocculus manufacture craft of the present invention, brighten after multiple the white silk add gentle: its auxiliary agent prescription is: concentration is the hydrogen peroxide 5-15g/l of 25%-35%, bubble flower alkali 3-5g/l, softener 3-5g/l, brightening agent 0.13-0.33g/l, surplus is a water; Process conditions are: temperature 60-85 ℃, and time 1-2h, molten ratio 1: 30-45, pH value 9.5-10.5.
Functional silk nonwoven flocculus manufacture craft of the present invention, the glacial acetic acid of adding 0.25-0.45ml/l makes pure white, the gloss of silk fiber in the water-washing process of practicing post processing.
Functional silk nonwoven flocculus manufacture craft of the present invention, adding concentration in preliminary treatment is the weak solution of the silver ion nano inorganic antimicrobial agent of 1-1.5%, is sprinkled upon fiber surface with spray method.
Functional silk nonwoven flocculus manufacture craft of the present invention, adding the dry weight ratio at plant adhesive in the plant adhesion process is 100: the silver ion nano inorganic antimicrobial agent of 0.5-15.
Functional silk nonwoven flocculus manufacture craft of the present invention, in the mechanical pelleting net-forming process, the irregular particle diameter of being rubbed is 0.5-1.5mm.
The silk nonwoven flocculus of explained hereafter of the present invention has following distinguishing feature: a. is extremely efficient in preserving heat: insulation rate 〉=50%; B. good springiness: its elasticity of compression (response rate) 〉=90%; C. easily soft, its bulking intensity specific volume 〉=60cm
3/ g; D. gas permeability is strong: air penetrability 〉=1800mm/s; E. water-wash resistance is strong, and the test of domestic authoritative institution has not only been passed through in the washing of its goods (quilt or clothes), and checks the authentication of association (KAKEN AND JSTIIF), Germany weaving association and the SGS of the authorized by state committee by Japanese chemical fibre.F. the antibiotic property that has long-acting, broad-spectrum; G. the bedding and clothing performance is high: be beneficial to plant layout production, not only softly be incubated water-fast washing by the bedding and clothing that are divided into several layers and make with no flocculus, and good springiness, and never tie plate, this is the historical breakthrough that silk is done filler product.H. steady quality, technology are simple and easy to grasp, and equipment investment is little, are easy to promote.I. with low cost, economic benefit is fairly obvious.Because at present 3
Below especially extremely low in the silk short flannel utilization rate below 2, have in addition lose when rubbish, so its cost of raw material is low, and silk flocculus after treatment reaches the effect of certified products silk, so its value is doubled and redoubled.
Product of the present invention has that light softness, moisture absorption are ventilative, extremely efficient in preserving heat, resilience is washed well, water-fast, antibiosis anti-acarien, safe and sanitary and characteristics such as have wide range of applications, and belongs to Green Product, has not only solved 3
The recycling rate problem of following silk short fiber, and significantly improved its economic worth, realized elastic force, washing property, antibiotic property, flexibility, heat insulating ability, gas permeability and degradable be usability again, the unification of versatility, change silk flocculus fiber and can not wash history, entire making process does not have any chemical toxic and side effect and formaldehyde, heavy-metal residual based on physical modification, belong to the natural environmental-protective product, have brilliant market developing prospect, transform agricultural production, advance the silk industry development for China, realize agriculture industrialization, increasing farmers' income all has crucial meaning.To reach raw material sources extensive, with low cost by traditional handicraft is optimized and revised for technology of the present invention, and energy consumption is low, the output height, and quality is good, and manufacture process is easy and simple to handle, the purpose that is easy to promote.
The specific embodiment
The present invention is described in detail below in conjunction with the embodiment of the invention.
Embodiment 1:
Choose silk short fiber raw material earlier, according to different raw material source, select categorizedly, its main purpose is to remove impurity, foul, greasy dirt, the processing of coming of the silk raw material branch of different colours.Carry out a preliminary treatment then: with the silk raw material put in order roller is housed, thorn rolls with the opener of cylinder on carry out shredding, further shake off to stick to dust and foreign material on the silk, the fiber length of silk is consistent, be convenient to the disposal of next flow process.
Evenly spray concentration is that 1.5% amino hydroxy acid organic silicon emulsion (softener) left standstill 24 hours on the short silk fiber after the shredding.
The silk that presets is carried out combing with 186 combing machines, mainly is to reach not contain filament and foreign material in the silk, and the length that makes fiber is between 1.5-2.5.Adopting the contract washing agent then--it is concise that method is carried out silk:
(a) technological process: preliminary treatment → just experienced → answer and practice → brighten → practice post processing
(b) preliminary treatment:
Auxiliary formula: the continuous bucket of soda ash 1g/l additional amount 0.5g/l, the continuous bucket of penetrant t 0.33g/l additional amount 0.165g/l,
Process conditions: 75 ℃ of temperature, time 60min, molten ratio 1: 30, pH value 10,
(c) just practice:
Auxiliary formula: the continuous bucket of soda ash 0.75g/l additional amount 0.5g/l, the continuous bucket of sodium metasilicate 40 1.25g/l additional amount 0.625g/l, the continuous bucket of washing agent 209 1.75g/l additional amount 0.9g/l, sodium hydrosulfite 0.5g/l full dose, process conditions: 98 ℃ of temperature, time 70min, molten ratio 1: 40, pH value 10, residual silkgum content 12%
(d) the multiple white silk:
Auxiliary formula: the continuous bucket of soda ash 0.3g/l additional amount 0.25g/l, the continuous bucket of peregal 00.2g/l additional amount 0.1g/l, the continuous bucket of sodium hydrosulfite 0.25g/l additional amount 0.1g/l;
Process conditions: 98 ℃ of temperature, time 60min, molten ratio 1: 40, pH value 10, residual silkgum content 3%;
(e) brighten add gentle:
Auxiliary formula: hydrogen peroxide (30%) 10g/l, bubble flower alkali 3g/l, softener 404 5g/l, brightening agent WG 0.2g/l,
Process conditions are: 60 ℃ of temperature, time 2h, molten ratio 1: 45, pH value 9.
(f) practice post processing: washing (95 ℃) 20min adds 0.5g/l soda ash for the first time, washes 70 ℃ of 20min for the second time, for the third time washing (room temperature) 10min (adding 0.4mol/l soda ash);
(g) drying: 70 ℃ of heated-air dryings in the constant temperature drying machine.
The short silk fiber of concise drying is broken up shredding on opener, the weak solution that with concentration is 1.5% nano inorganic antimicrobial agent again is sprinkled upon fiber surface with spray method, behind the shredding mixing, the diffusing fibre of being sent into by airtight aspiration channel after the shredding of silk is sent into the airflow duct of bringing the air port into, make fiber kick up fully and roll, and send into down the airtight hopper that has certain pressure together, carry out mechanical pelleting again and become net: the silk in the hopper enters under the effect of pressure and roller in the single track husband saw-tooth setting machine (tooth bar machine) that has 6 rollers smoothly, after preceding four two, preceding four are advanced cotton speed and advance cotton thickness in order to control, two of backs are the silk trifles that the tooth bar comb was softened, (under wind-force and roller effect, becoming small-particle), evenly send after the tiling, deliver to the automatic transport band and enter next flow process.
The structure of this tooth bar carding machine is very simple, key is the tooth bar height on the doffer and the angle of sawtooth, usually silk fiber is when 1.5-2.5, the height of Saw blade is 5mm, the angle of sawtooth is at 60 degree, and the friction effect by high speed circular motion and tooth bar in looser tooth bar space of the silk fiber of less band fine hair is rubbed into the irregular particle of diameter at 0.5-1.0mm with fiber.Silk (PE Foam) after becoming to net is sent into constant temperature oven by the automatic transport lace curtaining, and before entering baking oven, by a glue-spraying device, the adhesive agent emulsion for preparing is by being sprinkled upon the two sides of silk equably after the nozzle atomization that certain pressure is arranged.
In constant temperature oven, about 15 minutes of the time of passing through, temperature of oven is between 60 ℃-80 ℃, and every square of following flocculus oven temperature of 100g is controlled at 60 ℃, and what 100g was above is controlled at 80 ℃.Adhesive is that vitrification point is very low, heat stable propolis emulsion, this emulsion be by acrylic acid two fat, the fine methylene-succinic acid of propylene and cross linking agent, the copolymerization of N-hydroxyacrylamide form pure third from interlinkage anionic resin emulsion, its consumption is 100: 2 with the dry weight ratio of silk, the characteristic that has imitative sheepskin after it solidifies, soft, gas permeability and resilience are good.
If carry out antibiotic finish except that the nano inorganic antimicrobial agent that adding and silk fiber compatibility are good in preceding road shredding process, in the spray latex solution, add 2.0% (bath raio) antiseptic, make it and emulsion together enters between fiber surface and the gap, after low-temperature setting, reach long-term antibiotic purpose.The antibacterial effect of this flocculus is lasting, and through 10 standard washings, its antibiotic rate remains on more than 90%.
Through conveyer belt, the electronics Total decoder calculates certain-length by the flocculus of constant temperature oven shaping and drying, manually it is packed volume by volume, also can require be slit into the material of different fabric widths according to fabric width, delivers to the clothing factory or other applying units are very convenient.
Embodiment 2:
The spun silk head that to buy from thin,tough silk textile mills, elder generation is the shredding twice on the opener of band steel nail, the softener of the even sprinkling 1.5% of layering left standstill 24 hours then, again with silk combing three roads on 186 combing machines that leave standstill, after finishing, it is concise that employing soap-alkaline process carries out silk, and technological process is: practice preceding preparation → preliminary treatment → first white silk → practice → add again the gentle post processing of brightening → practice:
Concisely use agent: main to practice agent be soap, and helping experienced agent is soda ash, bubble flower alkali, sodium phosphate, sodium hydrosulfite, brightening agent, softener.
(a) practice preceding the preparation: water, vapour, electricity, raw material, chemical assistant and various tool using, weighing apparatus, thermometer, clock, densimeter etc.
(b) preliminary treatment: place the soda ash solution of 0.5g/l to handle 30min (80 ℃ of hot solution) silk fiber.
(c) just practice: just white silk is the main process of coming unstuck, and can remove a large amount of other impurity in the silk fiber,
Its auxiliary agent prescription is: the continuous bucket of soap (textile soap) 7g/l appends 3g/l, soda ash 0.6g/l1g/l, bubble flower alkali 2g/l 1g/l, sodium hydrosulfite 0.3g/l full dose.
Process conditions are: 98 ℃ of temperature, time 45min, molten ratio 1: 45, pH value 10, residual silkgum content 10%.
The compound method of concise liquid is: after water heated up, adding soda ash boiled and boils 10min, drags for calcium, magnesium salts scum silica frost that the clear liquid face may occur, and impouring is dissolved good soap solution in advance and boiled the min blanking.
(d) multiple white silk: the multiple purpose of practicing is further to remove the cull that remains on the fiber also to remove the contamination of just practicing fiber in the liquid, and used scouring agent is with just white silk is identical, and consumption can suitably reduce.
Its auxiliary agent prescription is: the continuous bucket of textile soap 5.5g/l appends 2.5g/l
Soda ash 0.2g/l 0.15g/l
Bubble flower alkali 1.6g/l 0.8g/l
Sodium hydrosulfite 0.33g/l full dose
Process conditions are: 100 ℃ of temperature, time 45min, molten ratio 1: 45, pH value 9.5, residual silkgum content 4%;
(e) brighten add gentle
The auxiliary agent prescription is: hydrogen peroxide (28%-30%) 5g/l, bubble flower alkali 4g/l, softener 4043g/l, brightening agent WG 0.33g/l.
Process conditions are: 60 ℃ of temperature, time 2h, molten ratio 1: 45, pH value 10, residual silkgum content 2%.
(f) practice post processing: mainly be washing and dehydration two procedures
Washing: generally give a baby a bath on the third day after its birth,, should progressively lower the temperature during washing for the unexpected quenching cohesion of the dirt that prevents to adhere on the fiber.
Process conditions: the washing of first road is high temperature bath (95 ℃) 30min (adding 0.4-g/l soda ash), and the washing of second road is middle tepidarium (60 ℃) 30min, and the 3rd road is room-temperature water bath 20min
In the room temperature water-washing process, add the glacial acetic acid of 0.25ml/l, make pure white, the gloss of silk fiber.In centrifugal dehydrator, dewater again.
(g) drying: (70 ℃) heated-air drying in hot dryer makes the regain of fiber reach 8-10%.
The short silk fiber of concise drying is broken up shredding on opener, the weak solution that with concentration is 5% nano inorganic antimicrobial agent again is sprinkled upon fiber surface with spray method, behind the shredding mixing, the diffusing fibre of being sent into by airtight aspiration channel after the shredding of silk is sent into the airflow duct of bringing the air port into, make fiber kick up fully and roll, and send into down the airtight hopper that has certain pressure together, carry out mechanical pelleting again and become net, in the propolis emulsion (composition is the same) that configures, add 5% inorganic nano antiseptic, through the freeze-day with constant temperature typing, reach and to wash and antibiotic purpose.
Embodiment 3:
Earlier the silk short fiber of separate sources is preset and combing by above-mentioned (example 1 or 2) method, make silk fiber between 1.5-2.5cm, shredding is broken up after soap-alkaline process is concise, 1.5% silver ion inorganic antiseptic is evenly sprayed in layering, in the mechanical pelleting operation, thereby make antibiotic composition implant the purpose that reaches long-term antibacterial in the particle, can carry out twice granulation, so both can save expensive antiseptic, significantly improve the resilience of flocculus again, antiseptic before entering constant temperature oven in the spray latex solution is 1%, for improving the feel of flocculus, the propolis emulsion is 1: 100 with the dry weight ratio of silk, and the constant temperature oven temperature is 60 ℃, the every Gram Mass 75g of flocculus, the door fabric width can reach 250cm.
In the manufacture craft of the present invention:
Just practicing the auxiliary agent prescription is: the continuous bucket of soap (textile soap) 9g/l addition 5g
Soda ash 0.9g/l 1g/l,
Bubble flower alkali 3g/l 0.8g/l
Sodium hydrosulfite 0.6g/l full dose
Process conditions are: temperature 98-100 ℃, and time 45-60min, molten ratio 1: 55, pH value 9.5, residual silkgum content 9%.
Practicing the auxiliary agent prescription again is: the continuous bucket of textile soap 6g/l appends 1.5g/l
Soda ash 0.7g/l 0.2g/l
Bubble flower 2.2g/l 1g/l
Sodium hydrosulfite 0.4g/l full dose
Process conditions are: temperature 98-100 ℃, and time 30-60min, molten ratio 1: 45, pH value 8.5-10.5, residual silkgum content 3%;
Brighten and add gentle auxiliary agent prescription and be: hydrogen peroxide (28%-30%) 15g/l, bubble flower alkali 4g/l, softener 404 3g/l, brightening agent WG 0.23g/l;
Process conditions are: temperature 60-85 ℃, and time 1-2h, molten ratio 1: 30-45, pH value 9.5-10.5, residual silkgum content 2-4%.
Other operation is with embodiment 1.
Nonwoven flocculus of the present invention is put forth effort on the physical arrangement of transforming short silk fiber, single or plurality of fibers is kneaded into the granule of band joint silk, to increase gap and the contact area between its silk fiber, improved the penetration power of adhesive greatly, adhesive is under certain pressure, after the intermediate layer that is penetrated into flocculus is subjected to heat cure, make to draw mutually between the fiber and form brute force, strengthen its water-wash resistance, ring-type silk granule is as the remarkable resilience of improving silk of terylene three-dimensional crimp PE Foam.Entire making process adopts environmental protection auxiliary agent, formaldehydeless, heavy-metal residual.
Claims (10)
1, functional silk nonwoven flocculus, it is characterized in that: form by natural silk, propolis emulsion and inorganic nano antiseptic are refining, this emulsion be by acrylic acid two fat, the fine methylene-succinic acid of propylene and the copolymerization of N-hydroxyacrylamide cross linking agent form pure third from interlinkage anionic resin emulsion, its consumption is 100 with the dry weight ratio of silk: 1.5-5.0, i.e. 100 silk dry weight 1.5-5.0 dry weight resin emulsion.
2, functional silk nonwoven flocculus according to claim 1, it is characterized in that: increasing has the silver ion inorganic nano antiseptic, and its consumption is 100 with the dry weight ratio of silk: 0.5-15.0.
3, the manufacture craft of functional silk nonwoven flocculus is characterized in that: finish through following technology:
(1) raw material sorts; Remove the foreign material in the short silk fiber, the processing of coming of the silk branch of different colours;
(2) silk preliminary treatment: the silk raw material of putting in order are carried out shredding on opener, further shake off to stick to dust and foreign material on the silk, make the fiber length of silk consistent, on the silk short fiber after the shredding, evenly spray softener and left standstill 18-24 hour;
(3) silk combing: the silk that presets is carried out combing with combing machine, reach and do not contain filament and foreign material in the silk, make the length unanimity of fiber;
(4) silk is expanded concise: with the silk of combing put into concise liquid carry out concise, with the proportion white silk of silk between the 1.00-1.25;
(5) shredding, hello cotton; On the staple fibre opener, refined short silk fiber is broken up shredding, send into airflow duct, make fiber kick up fully and roll, enter down the airtight cotton that has pressure together
(6) mechanical pelleting becomes net: the silk in the hopper enters in the carding machine under the effect of pressure and roller smoothly, short silk fiber less, the band fine hair is passed through the friction effect of high speed circular motion and card clothing in looser card clothing space, rub into irregular particle, the tiling back is evenly sent by roller;
(7) plant is bonding: become the silk behind the net to send into constant temperature oven by the automatic transport lace curtaining, before entering baking oven, by a glue-spraying device, the binder resin emulsion for preparing is sprinkled upon the two sides of silk flocculus equably after atomizing.
(8) low temperature drying typing: 80 ℃ of constant temperature oven temperature 60 ∽, times 15 ∽ 20min.
4, functional silk nonwoven flocculus manufacture craft according to claim 3 is characterized in that: adopt soap-alkaline process when concise: technological process is: preliminary treatment → just practice → practice → adding again softens brightens → practices post processing;
(a) preliminary treatment: place the soda ash solution of 0.3-0.8g/l to handle 20-40min (60-90 ℃ of hot solution) silk fiber;
(b) just practice: just white silk is the main process of coming unstuck, and can remove a large amount of other impurity in the silk fiber, and its auxiliary agent prescription is: soap 3-11g/l soda ash 0.3-3g/l bubble flower alkali 0.8-3g/l sodium hydrosulfite 0.2-0.8g/l surplus is a water; Process conditions are: temperature 98-100 ℃, and time 45-60min, molten ratio 1: 30-60, pH value 9.5-11, residual silkgum content 8-10%;
The compound method of concise liquid is: after water heats up, add soda ash and boil and boil 5-10min, drag for calcium, magnesium salts scum silica frost that the clear liquid face may occur, impouring is dissolved good soap solution in advance and is boiled 5-10min and get final product blanking;
(c) the multiple white silk: the multiple purpose of practicing is further to remove the cull that remains on the fiber and remove the contamination of just practicing fiber in the liquid, and the auxiliary agent prescription is: soap 3-7g/l, soda ash 0.1-0.8/l, bubble flower alkali 0.8-2.4/l, sodium hydrosulfite 0.1-0.5g/l; Process conditions are: temperature 98-100 ℃, and time 30-60min, molten ratio 1: 30-60, pH value 8.5-10.5, residual silkgum content 2-4%
(d) practice post processing: washing, drying: heated-air drying in (70-80 ℃) in hot dryer reaches between the 8-10% regain of fiber.
5, functional silk nonwoven flocculus manufacture craft according to claim 3 is characterized in that: also can adopt synthetic detergent-alkaline process when concise: technological process: preliminary treatment → just experienced → answer and practice → brighten → practice post processing:
(a) preliminary treatment: auxiliary formula: soda ash 0.5-1.5/l, bleeding agent 0.1-0.8g/l; Process conditions: temperature 45-85 ℃, time 60-90min, molten ratio 1: 30-60, pH value 8.5-10.5;
(b) just practice: auxiliary formula: soda ash 0.3-1.2g/l, sodium metasilicate 1-1.5g/l, fiber wash agent 1-2g/l, sodium hydrosulfite 0.1-0.7g/l surplus is a water; Process conditions: temperature 95-98 ℃, time 60-90min, molten ratio 1: 30-60, pH value 8.5-10.5, residual silkgum content 9%-12%,
(c) the multiple white silk: auxiliary formula: soda ash 0.1-0.8g/l, peregal 0.2-0.4g/l, sodium hydrosulfite 0.1-0.5g/l; Process conditions: temperature 95-98 ℃, time 30-60min, molten ratio 1: 30-60, pH value 8.5-10.5, residual silkgum content 2%-4%;
(d) practice post processing: washing (95--98) 15-30min adds 0.4-0.5g/l soda ash for the first time, for the second time washing (60-70 ℃) 20-30min, washing (room temperature) 10-20min (adding 0.25-0.4mol/l soda ash) for the third time
(e) dewatered drying.
6, according to claim 3 or 4 or 5 described functional silk nonwoven flocculus manufacture crafts, it is characterized in that: brighten after multiple the white silk add gentle: its auxiliary agent prescription is: concentration is the hydrogen peroxide 5-15g/l of 25%-35%, bubble flower alkali 3-5g/l, softener 3-5g/l, brightening agent 0.13-0.33g/l, surplus is a water; Process conditions are: temperature 60-85 ℃, and time 1-2h, molten ratio 1: 30-45, pH value 9.5-10.5.
7, according to claim 3 or 4 or 5 described functional silk nonwoven flocculus manufacture crafts, it is characterized in that: in the water-washing process of practicing post processing, add the glacial acetic acid of 0.25-0.45ml/l, make pure white, the gloss of silk fiber.
8, according to claim 3 or 4 or 5 described functional silk nonwoven flocculus manufacture crafts, it is characterized in that: adding concentration in preliminary treatment is the weak solution of the silver ion nano inorganic antimicrobial agent of 1-1.5%, is sprinkled upon fiber surface with spray method.
9, according to claim 3 or 4 or 5 described functional silk nonwoven flocculus manufacture crafts, it is characterized in that: adding the dry weight ratio at plant adhesive in the plant adhesion process is 100: the silver ion nano inorganic antimicrobial agent of 0.5-15.
10, according to claim 3 or 4 or 5 described functional silk nonwoven flocculus manufacture crafts, it is characterized in that: in the mechanical pelleting net-forming process, the irregular particle diameter of being rubbed is 0.5-1.5mm.
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| CN102677392A (en) * | 2012-05-17 | 2012-09-19 | 南通丝乡丝绸有限公司 | Production technology of biochemical hydrophilic silk non-woven fabric |
| CN102677392B (en) * | 2012-05-17 | 2015-01-14 | 南通丝乡丝绸有限公司 | Production technology of biochemical hydrophilic silk non-woven fabric |
| CN102677465A (en) * | 2012-05-23 | 2012-09-19 | 辽东学院 | Modified tussah silk fabric with functionalized nanometer chitosan and nanometer titanium dioxide |
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| CN104264233A (en) * | 2014-10-31 | 2015-01-07 | 广西华虹绢纺有限公司 | Refining method for wet frison |
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| CN106667164A (en) * | 2016-12-12 | 2017-05-17 | 广西凯喜雅丝绸有限公司 | Method for producing silk cotton quilt |
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