CN102560892B - Production method of collagen composite non-woven fabric - Google Patents
Production method of collagen composite non-woven fabric Download PDFInfo
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- CN102560892B CN102560892B CN201110417940.7A CN201110417940A CN102560892B CN 102560892 B CN102560892 B CN 102560892B CN 201110417940 A CN201110417940 A CN 201110417940A CN 102560892 B CN102560892 B CN 102560892B
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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 particularly being derived by collagen material and compound nonwoven cloth.
[background technology]
Nonwoven material belongs to the Chaoyang industry in textile material, though only have the developing history of two more than ten years in China, because nonwoven production cost is low, speed of production is fast, replaces gradually traditional textile material etc., development speed is surprising.In nonwoven fabric technical development, the macromolecular compound extracting in using oil, the raw material that constantly research and development make new advances, comprise corn raw materials, raw material metal, milk raw material etc., not only produce the nonwoven fabric with special performance, expand the range of application of nonwoven fabric, but also can reduce the demand to 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, twists into spiral fibrous proteins by 3 peptide chains, collagen is the rich in protein of animal body intensive amount, accounts for the more than 30% of whole body gross protein.Collagen can produce with Platelet blood coagulation phenomenon, has coagulation function, and collagen can be combined closely with wound, infiltrate in the middle of cambium, and support during as Growth of Cells; Collagen also has the natural sense of touch as skin, moment water suction, moisture-inhibiting fast, and fiber moisturizing degree is more than 400%, and antistatic, anti-pollution, anti-balloon, is beneficial to cutaneous respiration at natural material, water capacity parent environment.
Based on above characteristic, collagen can be widely used in medical aid and disposable personal care product, as paper diaper, sanitary napkin etc.But because cost is higher, be mainly used at present medical aid aspect.Mainly contain three kinds of methods at field of textiles application collagen fabric, the first is to make solution with collagen and other materials, is coated in textiles or other materials surface, forms a skim on fiber or on fabric.For example patent CN1291078C " sanitary processing fiber product and manufacture method thereof ", patent CN2894708Y " a kind of Medical bioactive dressing ".
Second method is to utilize collagen and other macromolecular material blend, obtain spinning solution, manufacture fiber, for example patent CN1243140C " a kind of collagen-polyacrylonitrile composite fiber and manufacture method thereof ", patent CN1181232C " collagen protein composite fiber and manufacture method 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.
The third method is utilized after collagen and other materials blend, pass through electrostatic spinning technique, obtain composite fibre, as patent CN100535212C " preparation method of collagen and chitosan composite nano fibre electrostatic spinning ", patent CN101156962 " contain the preparation method of the complex nanometer fibrous tissue renovation bracket of collagen ".
[summary of the invention]
Main purpose of the present invention is: a kind of collagen composite non-woven fabric manufacture method is provided.
For achieving the above object, the present invention proposes a kind of collagen composite non-woven fabric manufacture method, comprise following process:
The first fibre web filature fleece formation: by the first spinning equipment filature fleece formation on guipure, and along mesh-belt conveying;
Collagen fibre web filature fleece formation: by collagen spinning equipment, collagen material is spun on described the first fibre web at least one deck collagen fibre web; And along described mesh-belt conveying;
The second fibre web filature fleece formation: by the second spinning equipment filature fleece formation on described collagen fibre web, and along described mesh-belt conveying;
Composite consolidation: adopt high-pressure hot wind stream to spray to each layer of superimposed fibre web, make the fiber of each layer produce entanglement or bonding.
Above-mentioned collagen composite non-woven fabric manufacture method, in embodiment wherein, the distinguished and admirable temperature of described hot high pressure makes the fiber softening of described collagen fibre web produce caking property, forms bridging point with the fiber intersection point bonding of described the first fibre web and/or the second fibre web.
Above-mentioned collagen composite non-woven fabric manufacture method, in embodiment wherein, described collagen fibre web adopts spun-bond process filature fleece formation, and described collagen spinning equipment adopts spunbonded equipment.
Above-mentioned collagen composite non-woven fabric manufacture method, in embodiment wherein, described hot high pressure is from top to bottom distinguished and admirable or from bottom to top superimposed fibre web is sprayed; Or alternatively up and down sprays superimposed fibre web.
Above-mentioned collagen composite non-woven fabric manufacture method, in embodiment wherein, collagen fibre web adopts the process of spun-bond process filature fleece formation to comprise: collagen material and catalyst blend feeding, and low temperature screw extruder melt extruded, filters, measuring fixed amount, distribute spinnerets spray silk, drawing-off, collagen fabric lapping, forms collagen fibre web.
Above-mentioned collagen composite non-woven fabric manufacture method, in embodiment wherein, described collagen fibre web comprises:
The first collagen fibre web, adopts spun-bond process filature fleece formation on described the first fibre web by the first collagen spinning equipment;
The second collagen fibre web, adopts spun-bond process filature fleece formation on described the first collagen fibre web by the second collagen spinning equipment.
Above-mentioned collagen composite non-woven fabric manufacture method, in embodiment wherein, described catalyst adopts metallocene catalyst.
Above-mentioned collagen composite non-woven fabric manufacture method, in embodiment wherein, described metallocene catalyst shared mass ratio in collagen material and catalyst blends is 5%-30%.
Above-mentioned collagen composite non-woven fabric manufacture method, in embodiment wherein, described the first fibre web and the second fibre web adopt spun-bond process filature fleece formation.
Collagen composite non-woven fabric manufacture method of the present invention, carry out online production and compound with common fibre web and collagen fibre web, according to the characteristic of 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; Technique is simply efficient, is suitable for volume production.
Collagen composite non-woven fabric manufacture method of the present invention, its product drawing had both possessed the function of common non-woven fabric, again because be compounded with collagen fibre web, make its biologically active that has possessed collagen fabric, possess the bioaffinity to human body, the natural sense of touch general just like skin, moment water suction, moisture-inhibiting fast, fiber moisturizing degree is more than 400%, and antistatic, anti-pollution, anti-balling-up, is beneficial to cutaneous respiration at natural material, water capacity parent environment.For example can be widely used in, for medical treatment, health field: bandage, coated nonwoven fabric, operation dress for cloth, backing layer, the waist subsides etc. of sanltary towel and paper diaper.
In detailed description of the invention, can utilize existing equipment to adopt spun-bond process filature fleece formation, need not existing equipment be upgraded or be improved, technique is simply efficient, is suitable for volume production.
[brief description of the drawings]
Fig. 1 is the plane of embodiment mono-collagen composite non-woven fabric SCS through delamination;
Fig. 2 is embodiment mono-collagen composite non-woven fabric SCS cross section stripping diagram;
Fig. 3 is embodiment mono-collagen fabric and general fibre " bridge formation " structural representation.
Fig. 4 is embodiment mono-collagen composite non-woven fabric SCS production line schematic diagram;
Fig. 5 is the winddorn equipment complex structured flowchart of embodiment mono-;
Fig. 6 is embodiment bis-collagen composite non-woven fabric SCCS cross section stripping diagrams;
Fig. 7 is embodiment bis-collagen composite non-woven fabric SCCS production line schematic diagrames;
Fig. 8 is embodiment five collagen composite non-woven fabric CSC cross section stripping diagrams.
[detailed description of the invention]
Below by specific embodiment, also the present invention is described in further detail by reference to the accompanying drawings.
Being explained as follows of some words that wherein relate to:
Noun 1: " bridge formation " structure: couple together by certain material (the application's middle finger collagen fabric) between fiber, be similar to the structure of " bridge "; Collagen fabric 6 as shown in Figure 3, together with the first spun-bonded fibre 4 has been connected with the second spun-bonded fibre 5.
Noun 2: " bridging point ": the tie point in " bridge formation " structure, as tie point in Fig. 37, i.e. the tie point of collagen fabric 6 and the first spun-bonded fibre 4, the second spun-bonded fibre 5, and tie point 8 is not " bridging point ".
Noun 3: collagen composite non-woven fabric SCS:S represents spunbond Spunbond fiber, C represents PROTEIN C ollagen fiber;
Noun 4: metallocene catalyst: metallocene is transition metal the formed Organometallic complexes that is connected 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, in existing spun-bonded non-woven fabrics production equipment,, from being fed to the part of spinning, part embodiment of the present invention directly applies in spinning.
Embodiment mono-:
Fresh ox-hide carries out physics fragmentation after depilation, neutralization, washing, under acid condition, process 45-50 hour with protease low temperature (roughly temperature range is 30-50 DEG C), through centrifugal, saltout, under dialysis, normal temperature through the processing of metallic aluminium salting liquid, metallic aluminium salt quality is 10%-50% than concentration, to after precipitate freeze drying, obtain collagen protein powder, refrigerate for 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., collagen protein powder can further be made into collagen section, refrigerates for subsequent use.
The manufacture method of the first fibre web MAXANT1 and the second fibre web MAXANT3, adopt respectively spun-bond process filature fleece formation, flow process comprises: macromolecule raw material feeding hopper → process is quantitatively mixed feeding → screw extruder melt extruded (temperature is about 235 DEG C) → 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 sub-wire lapping etc., forms 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 technique, 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 manufacture method in intermediate layer, adopt spun-bond process filature fleece formation, flow process comprises: the lapping of collagen and metallocene catalyst (mass ratio is about 15%) feeding → low temperature (approximately 100 DEG C) screw extruder melt extruded → filtration → measuring fixed amount → distribution → spinnerets spray silk → drawing-off → fiber, forms collagen fibre web 2.Drawing-off adopts high temperature (approximately 220 DEG C) low speed (1000-3000m/min) condition.According to technique and the isoparametric difference of material, this collagen fibre web grammes per square metre is 5-40g/m
2.
As shown in Figure 4, the first spinning equipment 9, collagen spinning equipment 10 and the second spinning equipment 11 are arranged side by side successively, and three all adopts spunbond spinning equipment, and share a guipure.In the time that the first spunbond spinning equipment 9 forms the first fibre web MAXANT1 on guipure, by the motion of guipure, while arriving the spunbond spinning equipment of collagen 10 place, the upper collagen fibre web 2 that forms intermediate layer of the fibre web MAXANT (1) of the collagen fabric 6 that the spunbond spinning equipment 10 of collagen sprays on guipure, continue by the motion of guipure, arrive the second spunbond spinning equipment 11 places, the fiber 5 that the second spunbond spinning equipment 11 sprays is attached on the first fibre web MAXANT1 and 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, winddorn equipment complex 12 sprays the fine hot air flow of high pressure of 65-75 DEG C, collagen fibre web 2 in the middle of making starts to soften, there is caking property, collagen fabric 6 forms bridging point 7 with spun-bonded fibre, thereby play the effect of fixed three layers of fibre web.
Please refer to shown in Fig. 1, Fig. 2, after winddorn equipment complex 12 arranges, the first fibre web MAXANT1, collagen fibre web 2 and the second fibre web MAXANT3 are compounded to form collagen composite non-woven fabric SCS.Fibre web MAXANT does not roll a little, relatively has more outstanding pliability with conventional spunbond cloth; Collagen fabric is because there is good elasticity, and the compound nonwoven cloth of formation also has good elasticity; Because collagen has helicoidal structure, there is good elasticity, good pliability again, natural sense of touch as skin, and there is good hydrophilicity; Affine to human body, there is coagulation function, accelerating wound healing.Therefore this routine compound nonwoven cloth can be widely used in medical treatment, health field, as bandage, coated nonwoven fabric, operation dress for cloth, the cloth of the position such as backing layer, waist subsides of sanltary towel, paper diaper.
Please refer to shown in Fig. 5, the nonwoven fabric winddorn equipment complex 12 that this example adopts comprises air compression plant, air heating apparatus, exhaust apparatus and control device; Exhaust apparatus comprises a casing, and air outlet and the casing of air compression plant join, and casing wherein one side is made as exhausting plate, is densely covered with fine exhaust vent on this exhausting plate; Control device is electrically connected with air heating apparatus and air compression plant, for sensing wind-warm syndrome, blast, controls air heating apparatus 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; Temperature detecting module test side is arranged in air heating apparatus or exhaust apparatus, and wind pressure detection device test side is arranged in exhaust apparatus.When work, air heating apparatus arrives design temperature to the air heat that enters air compression plant, air compression plant by hot-air supercharging, spurt in casing, the air curtain that the continuous fine hot air flow that exhausting plate is the ejection of 0.1mm-0.5mm spray-hole by several rows of diameter forms, spray distance 40 holes/inch-80 hole/inch, up to the blast of 10Mpa-30Mpa, process fabric with the high velocity jet of 100m/s-300m/s.
Winddorn combination process combines water thorn, the feature of the producing technology of non-woven fabrics such as acupuncture and heat seal, utilize the hot high pressure of multiply distinguished and admirable to by the first fibre web MAXANT1, the upper and lower two way alternate of three-decker fibre web or crosswise jet that collagen fibre web 2 and the second fibre web MAXANT3 form, produce as the effect of water thorn or acupuncture, the collagen fabric that makes middle level produces displacement with the fiber of the spunbond fibre web of levels respectively, intert and tangle, the distinguished and admirable temperature of hot high pressure approaches the fusing point of collagen fabric simultaneously, 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, be not called in the present embodiment bridging point.
Embodiment bis-:
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: fresh fish-skin carries out fragmentation after desquamation, neutralization, washing, under acid condition, use protease K cryogenic treatment 48h, through centrifugal, saltout, dialyse, pass through again the processing of metallic aluminium salting liquid, metallic aluminium salting liquid quality is 25% than concentration, after precipitate freeze drying, become pulvis, make again section, refrigerate for subsequent use.
The manufacture method of the first fibre web MAXANT1 and the second fibre web MAXANT3, adopt 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 DEG C) → melt filtration → measuring pump measuring fixed amount → melt distribution → spinnerets spray silk → fiber quenching → fibrous airstream drawing-off (speed 3500m/min) → fiber sub-wire lapping etc., form fibre web MAXANT, every layer of grammes per square metre is 30g/m
2.
The manufacture method of middle two layers of collagen fibre web, flow process is: the lapping of collagen and metallocene catalyst (mass ratio is 20%) blend feeding → (85 DEG C of low temperature) screw extruder melt extruded → filtration → measuring fixed amount → distribution → spinnerets spray silk → high temperature (175 DEG C) low speed (1000m/min) drawing-off → fiber, obtaining every layer of grammes per square metre is 15g/m
2collagen fibre web.
Please refer to shown in Fig. 7, the first spunbond spinning equipment 9, the spunbond spinning equipment 10 of the first collagen, the spunbond spinning equipment 13 of the second collagen and the second spunbond spinning equipment 11 are arranged side by side successively, and three shares a guipure.When the first fibre web MAXANT1 is by the motion of guipure, arrive the spunbond spinning equipment 10 of the first collagen, when at the spunbond spinning equipment of the second collagen the 13 place, the spunbond spinning equipment 10 of the first collagen, on the first fibre web MAXANT1 of the fiber that the spunbond spinning equipment 13 of the second collagen sprays on guipure, form the first superimposed collagen fibre web 2 and the second collagen fibre web 15, continue by the motion of guipure, arrive the second spunbond spinning equipment 11 places, the fiber 5 that the second spunbond spinning equipment 11 sprays covers on the second collagen fibre web 15, form the second fibre web MAXANT3, four layers of distinguished and admirable effect of hot high pressure that fibre web sprays through hot blast thorn equipment 12, make collagen fabric and spun-bonded fibre form bridging point, thereby play the effect of fixed fibre web.
Embodiment tri-:
The collagen fabric compound nonwoven cloth CSC that this is routine, 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 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, pass through mesh-belt conveying, the second collagen fibre web 15, at the first fibre web MAXANT1 filature fleece formation, is undertaken compound by equipment complex.
Embodiment tetra-:
In this example, collagen fibre web is according to the method manufacture of above-described embodiment, and the fibre web compound with it selected the ready-made nonwoven fabric with one or more layers fibre web, 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., by the apparatus for feeding arranged side by side with the spunbond spinning equipment of collagen, when finished product nonwoven fabric is by mesh-belt conveying during to the spunbond spinning equipment of collagen place, the collagen fabric of the spunbond spinning equipment ejection of collagen forms collagen fibre web on finished product nonwoven fabric.
Embodiment five:
Shown in Fig. 8, the collagen fabric compound nonwoven cloth that this is routine, forms 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 being superimposed upon on guipure continues to carry, on double-deck fibre web, be spun to the second collagen fibre web 2 by the second collagen spinning equipment, finally by the excessively compound collagen fabric compound nonwoven cloth that obtains CSC structure.The collagen fabric compound nonwoven cloth that this is routine, taking the first fibre web as base material, two sides composite collagen fibre web, in the time being applied to medical treatment, health field, is directly contacted with human body by collagen fibre web, more affine to human body.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.The raw material of collagen section are chosen, manufacture method etc. can adopt prior art; Other fibre webs compound with collagen fibre web in the present invention, as the first fibre web and the second fibre web etc. in embodiment, also can be not limited to spunbond fibre web, in like manner can be compound go out the collagen composite non-woven fabric of multiple fibre web, multiple composite construction any combination; Collagen fibre web and other fibre webs fixed, is also not limited to the hot blast thorn technique in the present invention, can adopt existing other techniques, as hot rolling.
Claims (4)
1. collagen composite non-woven fabric manufacture method, comprises following process:
The first fibre web filature fleece formation: by the first spinning equipment filature fleece formation on guipure, and along mesh-belt conveying;
Collagen fibre web filature fleece formation: by collagen spinning equipment, collagen material is spun on described the first fibre web at least one deck collagen fibre web; And along described mesh-belt conveying; Described collagen fibre web adopts spun-bond process filature fleece formation, and process comprises: collagen material and catalyst blend feeding, and low temperature screw extruder melt extruded, filters, measuring fixed amount, distributes, spinnerets spray silk, drawing-off, collagen fabric lapping, forms collagen fibre web; Described catalyst adopts metallocene catalyst, and described metallocene catalyst shared mass ratio in collagen material and catalyst blends is 5%-30%, and in described drafting process, drawing temperature is 150 DEG C-220 DEG C, and draft speed is 1000-3000 m/min;
The second fibre web filature fleece formation: by the second spinning equipment filature fleece formation on described collagen fibre web, and along described mesh-belt conveying;
Composite consolidation: adopt hot high pressure distinguished and admirable to each layer of superimposed fibre web, with the blast up to 10Mpa-3OMpa, with the high velocity jet processing of 100m/s-300m/s, make the fiber of each layer produce entanglement or bonding; The distinguished and admirable temperature of described hot high pressure makes the fiber softening of described collagen fibre web produce caking property, forms bridging point with the fiber intersection point bonding of described the first fibre web and/or the second fibre web; Described hot high pressure is from top to bottom distinguished and admirable or from bottom to top superimposed fibre web is sprayed, or alternatively up and down sprays superimposed fibre web.
2. collagen composite non-woven fabric manufacture method as claimed in claim 1, is characterized in that: described collagen spinning equipment adopts spunbonded equipment.
3. collagen composite non-woven fabric manufacture method as claimed in claim 1 or 2, is characterized in that: described collagen fibre web comprises:
The first collagen fibre web, adopts spun-bond process filature fleece formation on described the first fibre web by the first collagen spinning equipment;
The second collagen fibre web, adopts spun-bond process filature fleece formation on described the first collagen fibre web by the second collagen spinning equipment.
4. collagen composite non-woven fabric manufacture method as claimed in claim 1 or 2, is characterized in that: described the first fibre web and the second fibre web adopt 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 |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4089333A (en) * | 1972-10-28 | 1978-05-16 | Nippi, Incorporated | Method of treating a wound or burn |
| ES2223560T3 (en) * | 1999-08-02 | 2005-03-01 | E.I. Du Pont De Nemours And Company | NON-WOVEN COMPOSITE LAMINAR MATERIAL. |
| US7041868B2 (en) * | 2000-12-29 | 2006-05-09 | Kimberly-Clark Worldwide, Inc. | Bioabsorbable wound dressing |
| JP3787126B2 (en) * | 2003-04-08 | 2006-06-21 | 株式会社タイキ | Hygienic processed textile product and method for producing the same |
| CN1243140C (en) * | 2003-09-03 | 2006-02-22 | 中国皮革和制鞋工业研究院 | Collagen protein-polyacrylonitrile composite fiber and its preparation method |
| CN201962484U (en) * | 2010-12-28 | 2011-09-07 | 山东俊富非织造材料有限公司 | Novel compound non-woven material manufacture equipment |
| CN102041641A (en) * | 2010-12-28 | 2011-05-04 | 山东俊富非织造材料有限公司 | Protein fibrous layer-containing composite non-woven material and manufacturing method thereof |
| CN102115955B (en) * | 2011-03-07 | 2012-11-21 | 嘉兴学院 | Environment-friendly collagen fiber leather substrate and production method thereof |
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| 沈志明，胡杰，陈忠宽.纺粘纺丝工艺和热粘合.《新型非织造布技术》.1998,(第2版),第46-48页，第114-115页. * |
| 马建伟,陈绍娟.牵伸.《非织造布技术概论》.中国纺织出版社,2008,(第2版),第105-106页. * |
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