CN102560892A - Production method of collagen composite non-woven fabric - Google Patents
Production method of collagen composite non-woven fabric Download PDFInfo
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- CN102560892A CN102560892A CN2011104179407A CN201110417940A CN102560892A CN 102560892 A CN102560892 A CN 102560892A CN 2011104179407 A CN2011104179407 A CN 2011104179407A CN 201110417940 A CN201110417940 A CN 201110417940A CN 102560892 A CN102560892 A CN 102560892A
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Abstract
The invention discloses a production method of a collagen composite non-woven fabric, comprising the following steps of: spinning a first fiber net into a net: spinning on a net belt into the net by first spinning equipment, and transporting along with the net belt; spinning a collagen fiber net into a net: spinning collagen material above the first fiber net into at least one layer of collagen fiber nets by collagen spinning equipment; transporting along with the net belt; spinning a second fiber net into a net: spinning on the collagen fiber nets into the net by second spinning equipment, and transporting along with the net belt; and strengthening in a composite way: spraying overlapped each layer of the fiber nets by hot wind flow, so that each layer of the fiber is entwisted or glued. After the production method of the collagen composite non-woven fabric is used, the on-line production and composition is carried out on the common fiber net and the collagen fiber net, and according to the characteristic of collagen fiber, spraying is carried out by high-pressure superfine hot wind flow, so that each layer of the fiber is entwisted or glued, and the common fiber net and the collagen fiber net can be effectively strengthened with each other in a compositing way; and the production method is simple and high-efficiency in technology, thereby being suitable for mass production.
Description
[technical field]
The present invention relates to nonwoven fabric, the nonwoven fabric and the compound nonwoven cloth of particularly deriving by collagen material.
[background technology]
Nonwoven material belongs to the Chaoyang industry in the textile material, though in the Chinese developing history of having only for two more than ten years, because the nonwoven production cost is low, speed of production is fast, replaces traditional textile material etc. gradually, development speed is surprising.In the nonwoven fabric technical development; The macromolecular compound that in using oil, extract; Constantly research and develop the raw material that make new advances, comprise corn raw materials, raw material metal, milk raw material or the like, not only produce nonwoven fabric with special performance; Enlarged the range of application of nonwoven fabric, but also can reduce demand oil.
Collagen is a kind of biological polymer substance; English formal name used at school Collagen plays the part of the role of conjunctive tissue in zooblast, twist into spiral fibrous proteins by 3 peptide chains; Collagen is the rich in protein of animal body intensive amount, accounts for more than 30% of whole body gross protein.Collagen can produce the blood coagulation phenomenon with the blood platelet effect, has coagulation function, and collagen can be combined closely with wound, infiltrate in the middle of the cambium, and the support when growing as cell; Collagen also has the natural sense of touch as skin, moment suction, passes through wetly fast, and fiber degree of preserving moisture is more than 400%, and antistatic, anti-pollution, anti-balloon, is beneficial to cutaneous respiration at natural material, water capacity property parent environment.
Based on above characteristic, collagen can be widely used in medical aid and disposable personal care product, like paper diaper, sanitary napkin etc.But, be mainly used in the medical aid aspect at present because cost is higher.Use collagen fabric at field of textiles and mainly contain three kinds of methods, first kind is to process solution with collagen and other materials, is coated in textiles or other materials surface, is forming a skim on the fiber or on the fabric.For example patent CN1291078C " health processing fiber goods and manufacturing approach thereof ", patent CN2894708Y " the active dressing of a kind of medical bio ".
Second method is to utilize collagen and other macromolecular material blend; Obtain spinning solution; Make fiber, for example patent CN1243140C " a kind of collagen-polyacrylonitrile composite fiber and manufacturing approach thereof ", patent CN1181232C " collagen composite fibre and manufacturing approach thereof ", patent CN101215733 " collagen-base PEG composite fibre and spinning technique thereof ", patent CN101503834 " collagen-NA-MMT composite fibre and spinning technological process thereof " through wet spinning again.
After the third method is utilized collagen and other materials blend; Pass through electrostatic spinning technique; Obtain composite fibre, like patent CN100535212C " preparation method of collagen and chitosan composite nano fibre electrostatic spinning ", patent CN101156962 " preparation method who contains the complex nanometer fibrous tissue renovation bracket of collagen ".
[summary of the invention]
Main purpose of the present invention is: a kind of collagen compound nonwoven cloth manufacturing approach is provided.
For realizing above-mentioned purpose, the present invention proposes a kind of collagen compound nonwoven cloth manufacturing approach, comprise following process:
The first fibre web filature fleece formation: by first spinning equipment filature fleece formation on guipure, and along mesh-belt conveying;
Collagen fibre web filature fleece formation: collagen material is spun to one deck collagen fibre web at least on said first fibre web by the collagen spinning equipment; And along said mesh-belt conveying;
The second fibre web filature fleece formation: by second spinning equipment filature fleece formation on said collagen fibre web, and along said mesh-belt conveying;
Composite consolidation: adopt high-pressure hot wind stream to spray to superimposed each layer fibre web, make the fiber of each layer produce entanglement or bonding.
Above-mentioned collagen compound nonwoven cloth manufacturing approach; In the embodiment wherein; The distinguished and admirable temperature of said hot, high pressure makes the fiber softening of said collagen fibre web produce caking property, with the fiber intersection point bonding formation bridging point of said first fibre web and/or second fibre web.
Above-mentioned collagen compound nonwoven cloth manufacturing approach, in the embodiment wherein, said collagen fibre web adopts the spun-bond process filature fleece formation, and said collagen spinning equipment adopts spunbonded equipment.
Above-mentioned collagen compound nonwoven cloth manufacturing approach, in the embodiment wherein, said hot, high pressure is from top to bottom distinguished and admirable or from bottom to top superimposed fibre web is sprayed; Perhaps alternatively up and down sprays superimposed fibre web.
Above-mentioned collagen compound nonwoven cloth manufacturing approach, in the embodiment wherein, the collagen fibre web adopts the process of spun-bond process filature fleece formation to comprise: collagen material and catalyst blend feeding; Low temperature screw extruder melt extruded is filtered measuring fixed amount; Distribute spinnerets spray silk, drawing-off; The collagen fabric lapping forms the collagen fibre web.
Above-mentioned collagen compound nonwoven cloth manufacturing approach, in the embodiment wherein, said collagen fibre web comprises:
The first collagen fibre web adopts spun-bond process filature fleece formation on said first fibre web by the first collagen spinning equipment;
The second collagen fibre web adopts spun-bond process filature fleece formation on the said first collagen fibre web by the second collagen spinning equipment.
Above-mentioned collagen compound nonwoven cloth manufacturing approach, in the embodiment wherein, said catalyst adopts metallocene catalyst.
Above-mentioned collagen compound nonwoven cloth manufacturing approach, in the embodiment wherein, said metallocene catalyst shared mass ratio in collagen material and catalyst blends is 5%-30%.
Above-mentioned collagen compound nonwoven cloth manufacturing approach, in the embodiment wherein, said first fibre web and second fibre web adopt the spun-bond process filature fleece formation.
Collagen compound nonwoven cloth manufacturing approach of the present invention; Carry out online production and compound with common fibre web and collagen fibre web; Characteristic according to collagen fabric; Adopt high-pressure hot wind stream to spray, make the fiber of each layer produce entanglement or bonding, make common fibre web and the effective composite consolidation of collagen fibre web; Technology is simply efficient, is suitable for volume production.
Collagen compound nonwoven cloth manufacturing approach of the present invention, its product that draws had both possessed the function of common non-woven fabric, again because be compounded with the collagen fibre web; Make its biologically active that has possessed collagen fabric, possess bioaffinity, just like the general natural sense of touch of skin human body; Moment suction, wet thoroughly fast; Fiber degree of preserving moisture is more than 400%, and antistatic, anti-pollution, anti-balling-up, is beneficial to cutaneous respiration at natural material, water capacity property parent environment.Can be widely used in being used for medical treatment, health field, for example: bandage, coat cloth with nonwoven fabric, operation dress, the backing layer of sanltary towel and paper diaper, waist subsides etc.
In the specific embodiment, can utilize existing equipment to adopt the spun-bond process filature fleece formation, need not upgrade or improve existing equipment, technology is simply efficient, is suitable for volume production.
[description of drawings]
Fig. 1 is the plane of embodiment one collagen compound nonwoven cloth SCS through the stripping layer;
Fig. 2 is embodiment one a collagen compound nonwoven cloth SCS cross section stripping diagrammatic sketch;
Fig. 3 is embodiment one collagen fabric and general fibre " bridge formation " structural representation.
Fig. 4 is embodiment one a collagen compound nonwoven cloth SCS production line sketch map;
Fig. 5 is the winddorn equipment complex structured flowchart of embodiment one;
Fig. 6 is embodiment two a collagen compound nonwoven cloth SCCS cross sections stripping diagrammatic sketch;
Fig. 7 is embodiment two collagen compound nonwoven cloth SCCS production line sketch mapes;
Fig. 8 is embodiment five a collagen compound nonwoven cloth CSC cross sections stripping diagrammatic sketch.
[specific embodiment]
Below through concrete embodiment and combine accompanying drawing that the present invention is described in further detail.
Being explained as follows of some words that wherein relate to:
Noun 1: " bridge formation " structure: couple together through certain material (the application's middle finger collagen fabric) between the fiber, be similar to the structure of " bridge "; Collagen fabric 6 as shown in Figure 3 has been connected first spun-bonded fibre 4 together with second spun-bonded fibre 5.
Noun 2: " bridging point ": the tie point in " bridge formation " structure, like tie point among Fig. 37, i.e. the tie point of the collagen fabric 6 and first spun-bonded fibre 4, second spun-bonded fibre 5, and tie point 8 is not " a bridging point ".
Noun 3: collagen compound nonwoven cloth SCS:S representes spunbond Spunbond fiber, and C representes PROTEIN C ollagen fiber;
Noun 4: metallocene catalyst: metallocene is the transition metal formed Organometallic complexes that links to each other with cyclopentadiene, and luxuriant metal compound catalyst is called for short metallocene catalyst.
Noun 5: spunbond spinning equipment: adopt the equipment of spun-bond process spinning, from being fed to the part of spinning, part embodiment of the present invention directly applies in the spinning in the existing spun-bonded non-woven fabrics production equipment.
Embodiment one:
Fresh ox-hide carries out the physics fragmentation after losing hair or feathers, neutralize, washing; Under acid condition, handled 45-50 hour with protease low temperature (roughly temperature range is 30-50 ℃); Through centrifugal, saltout, dialysis, normal temperature handle through the metallic aluminium salting liquid down; Metallic aluminium salt quality is 10%-50% than concentration, with obtaining collagen protein powder after the precipitate freeze drying, refrigerates subsequent use.Metallic aluminium salt can adopt one or more of aluminium chloride AlCl3, aluminum sulfate Al2 (SO4) 3, aluminum nitrate Al (NO3) 3, alumina silicate Al3 (SiO3) 3, aluminium sulfide Al2S3 etc., and collagen protein powder can further be made into the collagen section, refrigerates subsequent use.
The manufacturing approach of the first fibre web MAXANT1 and the second fibre web MAXANT3; Adopt the spun-bond process filature fleece formation respectively; Flow process comprises: macromolecule raw material feeding hopper → process is quantitatively mixed feeding → screw extruder melt extruded (temperature is about 235 ℃) → melt filtration → measuring pump measuring fixed amount → melt distribution → spinnerets spray silk → fiber quenching → fibrous airstream drawing-off (the about 3000m/min of speed) → fiber and is divided silk lapping etc., form fibre web MAXANT.The raw material of the first fibre web MAXANT1 and the second fibre web MAXANT3 adopt one or more mixing of polypropylene, polyester and polyethylene etc.; According to the difference of material and technology, the grammes per square metre of the first fibre web MAXANT1 and the second fibre web MAXANT3 is 8-50g/m
2
The collagen fabric manufacturing approach in intermediate layer; Adopt the spun-bond process filature fleece formation; Flow process comprises: collagen and metallocene catalyst (mass ratio is about 15%) feeding → low temperature (about 100 ℃) screw extruder melt extruded → filtration → measuring fixed amount → distribution → spinnerets spray silk → drawing-off → fiber lapping forms collagen fibre web 2.High temperature (about 220 ℃) low speed (1000-3000m/min) condition is adopted in drawing-off.Isoparametric different according to technology and material, this collagen fibre web grammes per square metre is 5-40g/m
2
As shown in Figure 4, first spinning equipment 9, collagen spinning equipment 10 and second spinning equipment 11 are arranged side by side successively, and the three all adopts spunbond spinning equipment, and a shared guipure.When the first spunbond spinning equipment 9 forms the first fibre web MAXANT1 on guipure, through the motion of guipure, when arriving the spunbond spinning equipment of collagen 10 places; The fibre web MAXANT (1) of collagen fabric 6 on guipure of spunbond spinning equipment 10 ejections of collagen goes up the collagen fibre web 2 that forms the intermediate layer; Continuation arrives the second spunbond spinning equipment, 11 places through the motion of guipure, and the fiber 5 of second spunbond spinning equipment 11 ejections is attached on the first fibre web MAXANT1 and the collagen fibre web 2; Form the second fibre web MAXANT 3; The first fibre web MAXANT1, collagen fibre web 2 and the second fibre web MAXANT3, through winddorn equipment complex 12, the fine hot blast stream of the high pressure that 12 ejections of winddorn equipment complex are 65-75 ℃; Collagen fibre web 2 in the middle of making begins to soften; Have caking property, collagen fabric 6 forms bridging point 7 with spun-bonded fibre, thereby plays the effect of fixed three layers of fibre web.
Please refer to Fig. 1, shown in Figure 2, after 12 arrangements of winddorn equipment complex, the first fibre web MAXANT1, collagen fibre web 2 and the second fibre web MAXANT3 are compounded to form collagen compound nonwoven cloth SCS.Fibre web MAXANT does not roll a little, with conventional spunbond cloth more outstanding pliability is arranged relatively; Collagen fabric is because there is better elastic, and the compound nonwoven cloth of formation also has better elastic; Because collagen has helicoidal structure, have better elastic, good pliability again, natural sense of touch as the skin, and have good hydrophilicity can; Affine to human body, have coagulation function, accelerating wound healing.So this routine compound nonwoven cloth can be widely used in medical treatment, health field, as bandage, coat cloth with nonwoven fabric, operation dress, the cloth of positions such as the backing layer of sanltary towel, paper diaper, waist subsides.
Please refer to shown in Figure 5ly, the nonwoven fabric winddorn equipment complex 12 that this example adopts comprises air compression plant, air heating apparatus, goes out wind apparatus and control device; Go out wind apparatus and comprise a casing, the air outlet and the casing of air compression plant join, and casing wherein one side is made as out aerofoil, and this goes out to be densely covered with fine exhaust vent on the aerofoil; Control device is electrically connected with air heating apparatus and air compression plant, is used for sensing wind-warm syndrome, blast, control air heater and air compression plant; In this example, control device comprises MCU, temperature detecting module and blast detection module, and temperature detecting module and blast detection module are electrically connected with MCU respectively; The temperature detecting module test side is arranged at air heating apparatus or goes out in the wind apparatus, and the wind pressure detection device test side is arranged at out in the wind apparatus.During work; Air heating apparatus arrives design temperature to the air heat that gets into air compression plant; Air compression plant with the hot-air supercharging, spurt in the casing, go out the air curtain that aerofoil is made up of for the continuous fine hot blast stream of 0.1mm-0.5mm spray-hole ejection several rows of diameter, spray distance 40 hole/inch-80 hole/inches; Up to the blast of 10Mpa-30Mpa, handle fabric with the high velocity jet of 100m/s-300m/s.
The winddorn combination process combines the characteristics of producing technology of non-woven fabrics such as water thorn, acupuncture and heat seal; Utilize the hot, high pressure of multiply distinguished and admirable to two way alternate or crosswise jet about the three-decker fibre web that constitutes by the first fibre web MAXANT1, collagen fibre web 2 and the second fibre web MAXANT3; Produce effect like water thorn or acupuncture; The collagen fabric that makes the middle level produces displacement, interts and tangles with the fiber of the spunbond fibre web of levels respectively, and the distinguished and admirable temperature of hot, high pressure is near the fusing point of collagen fabric simultaneously, and collagen fabric is softening and possess caking property; Collagen fabric and spun-bonded fibre are twining the place's of connecing bonding; Form bridging point 7 as shown in Figure 3, and the point 8 that tangles is the bonding points between two collagen fabrics, is not called the bridging point in the present embodiment.
Embodiment two:
As shown in Figure 6; The collagen fabric compound nonwoven cloth SCCS that this is routine; Comprise: the first fibre web MAXANT1, the second fibre web MAXANT3, and be located in the first collagen fibre web 2 and the second collagen fibre web 15 between the first fibre web MAXANT1 and the second fibre web MAXANT3.
The preparation of collagen raw material: carry out fragmentation after the desquamation of fresh fish-skin process, neutralization, the washing; Under acid condition with protease K cryogenic treatment 48h; Through centrifugal, saltout, dialyse, handle through the metallic aluminium salting liquid again, metallic aluminium salting liquid quality is 25% than concentration, becomes pulvis after the precipitate freeze drying; Process section again, refrigerate subsequent use.
The manufacturing approach of the first fibre web MAXANT1 and the second fibre web MAXANT3; Adopt the spun-bond process filature fleece formation; Flow process is: macromolecule raw material feeding hopper → process is quantitatively mixed feeding → screw extruder melt extruded (temperature is 240 ℃) → melt filtration → measuring pump measuring fixed amount → melt distribution → spinnerets spray silk → fiber quenching → fibrous airstream drawing-off (speed 3500m/min) → fiber and is divided silk lapping etc.; Form fibre web MAXANT, every layer of grammes per square metre is 30g/m
2
The manufacturing approach of middle two layers of collagen fibre web; Flow process is: collagen and metallocene catalyst (mass ratio is 20%) blend feeding → (85 ℃ of low temperature) screw extruder melt extruded → filtration → measuring fixed amount → distribution → spinnerets spray silk → high temperature (175 ℃) low speed (1000m/min) drawing-off → fiber lapping, obtaining every layer of grammes per square metre is 15g/m
2The collagen fibre web.
Please refer to shown in Figure 7ly, the spunbond spinning equipment of the first spunbond spinning equipment 9, first collagen 10, the spunbond spinning equipment 13 of second collagen and the second spunbond spinning equipment 11 are arranged side by side successively, the shared guipure of three.When the motion of the first fibre web MAXANT1 through guipure; When arriving the spunbond spinning equipment of first collagen 10, the spunbond spinning equipment of second collagen 13 places; The fiber of the spunbond spinning equipment of first collagen 10, spunbond spinning equipment 13 ejections of second collagen forms the superimposed first collagen fibre web 2 and the second collagen fibre web 15 on the first fibre web MAXANT1 on the guipure; Continuation is through the motion of guipure; Arrive the second spunbond spinning equipment, 11 places, the fiber 5 of second spunbond spinning equipment 11 ejections covers on the second collagen fibre web 15, forms the second fibre web MAXANT3; Four layers of fibre web make collagen fabric and spun-bonded fibre form the bridging point, thereby play the effect of fixed fibre web through the distinguished and admirable effect of hot, high pressure that hot blast thorn equipment 12 sprays.
Embodiment three:
The collagen fabric compound nonwoven cloth CSC that this is routine comprises: the first fibre web MAXANT1, the first collagen fibre web 2 and the second collagen fibre web 15; The first fibre web MAXANT1 is compound between the first collagen fibre web 2 and the second collagen fibre web 15.Its online production process comprises: the first collagen fibre web 2 becomes net on guipure; Pass through mesh-belt conveying; The first fibre web MAXANT1 is filature fleece formation on the first collagen fibre web 2; Through mesh-belt conveying, the second collagen fibre web 15 carries out compound at the first fibre web MAXANT1 filature fleece formation through equipment complex.
Embodiment four:
In this example; The collagen fibre web is according to the method manufacturing of the foregoing description; And the fibre web compound with it selected the ready-made nonwoven fabric with one or more layers fibre web for use; Be not limited to spun-bonded non-woven fabrics, also can select spunlace non-woven cloth, melt spraying non-woven fabrics, needle punched non-woven fabrics, heat seal nonwoven fabric etc. for use, through with the spunbond spinning equipment of collagen apparatus for feeding arranged side by side; When the finished product nonwoven fabric passed through the spunbond spinning equipment of mesh-belt conveying to collagen place, the collagen fabric of the spunbond spinning equipment ejection of collagen formed the collagen fibre web on the finished product nonwoven fabric.
Embodiment five:
Please combine shown in Figure 8ly, the collagen fabric compound nonwoven cloth that this is routine constitutes the CSC structure, comprising: the first fibre web MAXANT1, the first collagen fibre web 2 and the second collagen fibre web 15; The first fibre web MAXANT1 is compound in the first collagen fibre web 2 and the second collagen fibre web 15.The collagen fabric compound nonwoven cloth that this is routine; Its online production flow process comprises: on guipure, be spun to the first collagen fibre web 2 by the first collagen spinning equipment; The first collagen fibre web 2 is carried on guipure; On the first collagen fibre web, 2 surfaces, be spun to the first fibre web MAXANT1 by the first fibre web spinning equipment; The double-deck fibre web that is superimposed upon on the guipure continues to carry, and on double-deck fibre web, is spun to the second collagen fibre web 2 by the second collagen spinning equipment, at last through the compound collagen fabric compound nonwoven cloth that obtains the CSC structure.The collagen fabric compound nonwoven cloth that this is routine is a base material with first fibre web, and two sides composite collagen fibre web when being applied to medical treatment, health field, is directly contacted with human body by the collagen fibre web, and is more affine to human body.
Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.The raw material of collagen section are chosen, manufacturing approach etc. can be adopted prior art; Other fibre webs compound with the collagen fibre web among the present invention like first fibre web among the embodiment and second fibre web etc., also can be not limited to spunbond fibre web, in like manner can be compound go out the collagen compound nonwoven cloth of multiple fibre web, multiple composite construction combination in any; Collagen fibre web and other fibre webs fixed also is not limited to the hot blast thorn technology among the present invention, can adopt existing other technologies, like hot rolling.
Claims (10)
1. collagen compound nonwoven cloth manufacturing approach comprises following process:
The first fibre web filature fleece formation: by first spinning equipment filature fleece formation on guipure, and along mesh-belt conveying;
Collagen fibre web filature fleece formation: collagen material is spun to one deck collagen fibre web at least on said first fibre web by the collagen spinning equipment; And along said mesh-belt conveying;
The second fibre web filature fleece formation: by second spinning equipment filature fleece formation on said collagen fibre web, and along said mesh-belt conveying;
Composite consolidation: adopt high-pressure hot wind stream to spray to superimposed each layer fibre web, make the fiber of each layer produce entanglement or bonding.
2. collagen compound nonwoven cloth manufacturing approach as claimed in claim 1; It is characterized in that: the distinguished and admirable temperature of said hot, high pressure makes the fiber softening of said collagen fibre web produce caking property, with the fiber intersection point bonding formation bridging point of said first fibre web and/or second fibre web.
3. collagen compound nonwoven cloth manufacturing approach as claimed in claim 1 is characterized in that: said collagen fibre web adopts the spun-bond process filature fleece formation, and said collagen spinning equipment adopts spunbonded equipment.
4. collagen compound nonwoven cloth manufacturing approach as claimed in claim 2 is characterized in that: said hot, high pressure is from top to bottom distinguished and admirable or from bottom to top superimposed fibre web is sprayed; Perhaps alternatively up and down sprays superimposed fibre web.
5. collagen compound nonwoven cloth manufacturing approach as claimed in claim 3 is characterized in that, the collagen fibre web adopts the process of spun-bond process filature fleece formation to comprise: collagen material and catalyst blend feeding; Low temperature screw extruder melt extruded is filtered measuring fixed amount; Distribute spinnerets spray silk, drawing-off; The collagen fabric lapping forms the collagen fibre web.
6. like the described collagen compound nonwoven cloth of claim 1-5 manufacturing approach, it is characterized in that said collagen fibre web comprises:
The first collagen fibre web adopts spun-bond process filature fleece formation on said first fibre web by the first collagen spinning equipment;
The second collagen fibre web adopts spun-bond process filature fleece formation on the said first collagen fibre web by the second collagen spinning equipment.
7. collagen compound nonwoven cloth manufacturing approach as claimed in claim 5 is characterized in that: said catalyst adopts metallocene catalyst.
8. collagen compound nonwoven cloth manufacturing approach as claimed in claim 5 is characterized in that: in the said drafting process, drawing temperature is 150 ℃-220 ℃, draft speed be 1000-3000 rice/minute.
9. collagen compound nonwoven cloth manufacturing approach as claimed in claim 7 is characterized in that: said metallocene catalyst shared mass ratio in collagen material and catalyst blends is 5%-30%.
10. like each described collagen compound nonwoven cloth manufacturing approach among the claim 1-5, it is characterized in that: said first fibre web and second fibre web adopt the spun-bond process filature fleece formation.
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| CN103757936A (en) * | 2013-12-31 | 2014-04-30 | 福建华阳超纤有限公司 | Production method of collagen and sea-island fiber leather |
| CN107794642A (en) * | 2017-10-20 | 2018-03-13 | 福建恒安卫生材料有限公司 | A kind of preparation method of graphene nano silver compound nonwoven cloth |
| CN107794642B (en) * | 2017-10-20 | 2020-05-19 | 福建恒安卫生材料有限公司 | Preparation method of graphene nano-silver composite non-woven fabric |
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