CN108998854A - A kind of preparation method of rare earth modified high strength non-woven fabric - Google Patents
A kind of preparation method of rare earth modified high strength non-woven fabric Download PDFInfo
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- CN108998854A CN108998854A CN201810773036.1A CN201810773036A CN108998854A CN 108998854 A CN108998854 A CN 108998854A CN 201810773036 A CN201810773036 A CN 201810773036A CN 108998854 A CN108998854 A CN 108998854A
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- rare earth
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- woven fabric
- high strength
- modified high
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The present invention discloses a kind of preparation method of rare earth modified high strength non-woven fabric, including following operating procedure: (1) lutecium chloride, thulium chloride being added into water, then proceed to that sodium naphthenate is added thereto, after being mixed evenly, by the temperature liter of mixture, naphthenic acid rare earth is made in heat preservation；(2) after mixing by naphthenic acid rare earth, nano oxidized lutetium, nano oxidized thulium, methylpropene sodium sulfonate, ethylenediamine base propanesulfonate, modifier is made；(3) after mixing by polybutylene terephthalate (PBT) slice, modifier, flow ability modifying agent; it is added into slice pelletizer; it is blended after being granulated; PBT master batch is made; PBT master batch and polybutylene terephthalate (PBT) slice are added according to the ratio that mass ratio is 1:15-20 into molten spraying equipment again; after melt spinning, braiding, rare earth modified high strength non-woven fabric is made.Non-woven fabrics produced by the present invention has stronger mechanical property, can meet the use under various high-intensitive situations.
Description
Technical field
The invention belongs to non-woven fabrics preparation technical fields, and in particular to a kind of preparation side of rare earth modified high strength non-woven fabric
Method.
Background technique
Nonwoven cloth filter material is substantially made of various textile fabrics with 3 D stereo reticular structure.Polypropylene
It (PP) is most common raw material in melt-blown production, fusing point is at 164-170 DEG C or so, with density is small, crystallinity is higher, acid and alkali-resistance
The strong feature of performance.In addition, being not necessarily to drying before PP processing, fluidity of molten is good in process, and the technological process of production is short, therefore
It has a wide range of applications in filtering material, oil absorption material, medicine and hygiene fields etc..The polyethylene terephthalate compared with PP
(PET) fusing point is much higher, and the non-woven fabrics intensity prepared using PET as raw material is higher, and elasticity is also fine, in addition to being used as filtering material
The bonded web being also used as in multilayer materials.PBT is that a kind of crystal type thermoplastic poly is cruel, and fusing point is 225 DEG C or so, tool
Have the characteristics that crystallization rate is fast, heat resistance, resistance to greasy dirt performance, resistance to chemical corrosion are prominent.Compared with PP, the fusing point of PBT compared with
Height, heat resistance are preferable；Compared with PET, PBT strand is more soft, also can effectively prevent folding line in addition to it can be easily folded into type
Brittle fracture occurs for place.In the prior art, some bonded webs need the more excellent non-woven fabrics material of mechanical property, are made at present
PBT be unable to reach requirement.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of preparation methods of rare earth modified high strength non-woven fabric.
The present invention is achieved by the following technical solutions.
A kind of preparation method of rare earth modified high strength non-woven fabric, including following operating procedure:
(1) by weight, 23-26 parts of lutecium chlorides, 16-19 parts of thulium chlorides are added into 130-150 parts of water, then proceed to
55-60 parts of sodium naphthenates are wherein added, after being mixed evenly, the temperature of mixture are risen to 130-140 DEG C, isothermal holding 2-
After 3 hours, naphthenic acid rare earth is made；
(2) by weight, by 55-60 parts of naphthenic acid rare earths, 1-3 parts of nano oxidized lutetiums, 0.6-0.9 parts of nano oxidized thuliums, 2-4
After mixing, modifier is made in part methylpropene sodium sulfonate, 0.3-0.5 parts of ethylenediamine base propanesulfonates；
(3) by weight, by 88-92 parts of polybutylene terephthalate (PBT) slices, 5-9 parts of modifiers, 1-3 parts of flowings
Modifying agent after mixing, is added into slice pelletizer, is blended after being granulated, and is made PBT master batch, then by PBT master batch and poly- pair
Benzene dicarboxylic acid butanediol ester slice is added according to the ratio that mass ratio is 1:15-20 into molten spraying equipment, melt spinning, braiding
Afterwards, rare earth modified high strength non-woven fabric is made.
Specifically, in above-mentioned steps (2), nano oxidized lutetium, nano oxidized thulium Average Particle Diameters be 60-80nm.
Specifically, in above-mentioned steps (3), melt-blowing equipment spinneret board width is 30cm, and die head draw ratio is 1:10, spinneret orifice
Diameter 0.2mm, hole depth 2mm.
Specifically, in above-mentioned steps (3), rare earth modified high strength non-woven fabric obtained, wherein the average diameter of fiber is 3.9 μ
M, aperture are 20 μm.
From the above technical scheme, it can be seen that the beneficial effects of the present invention are:
A kind of preparation method of rare earth modified high strength non-woven fabric provided by the invention, stable processing technique is high-efficient, obtained
Non-woven fabrics, it is corrosion-resistant, oxidation resistent susceptibility is excellent, especially there is stronger mechanical property, can meet under various high-intensitive situations
Use.Modifier provided by the invention, rare earth oxide and naphthenic acid rare earth can effectively promote resin crystallization process
In stability, while can effectively enhance PBT macromolecular arrangement systematicness so that PBT macromolecular each along fiber be in axis
To distribution, the mechanical property of non-woven fabrics is greatly improved, while the stabilization of PBT macromolecular stereoeffect can also be promoted
Property, further improve the mechanical property of non-woven fabrics.
Specific embodiment
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.Reality used in the examples
The condition of applying can be for further adjustments according to the condition of producer, and unaccounted implementation condition is usually conventional laboratory conditions.
Embodiment 1
A kind of preparation method of rare earth modified high strength non-woven fabric, including following operating procedure:
(1) by weight, 23 parts of lutecium chlorides, 16 parts of thulium chlorides are added into 130 parts of water, then proceed to that 55 are added thereto
After being mixed evenly, after the temperature of mixture is risen to 130 DEG C, isothermal holding 2 hours, aphthenic acids is made in part sodium naphthenate
Rare earth；
(2) by weight, by 55 parts of naphthenic acid rare earths, 1 part of nano oxidized lutetium, 0.6 part of nano oxidized thulium, 2 parts of metering systems
After mixing, modifier is made in sodium sulfonate, 0.3 part of ethylenediamine base propanesulfonate；
(3) by weight, by 88 parts of polybutylene terephthalate (PBT) slices, 5 parts of modifiers, 1 part of flow ability modifying agent
After mixing, it is added into slice pelletizer, is blended after being granulated, PBT master batch is made, then by PBT master batch and poly- terephthaldehyde
Sour butanediol ester slice is added according to the ratio that mass ratio is 1:15 into molten spraying equipment, and after melt spinning, braiding, rare earth is made
Modified high-strength degree non-woven fabrics.
Specifically, in above-mentioned steps (2), nano oxidized lutetium, nano oxidized thulium Average Particle Diameters be 60nm.
Specifically, in above-mentioned steps (3), melt-blowing equipment spinneret board width is 30cm, and die head draw ratio is 1:10, spinneret orifice
Diameter 0.2mm, hole depth 2mm.
Specifically, in above-mentioned steps (3), rare earth modified high strength non-woven fabric obtained, wherein the average diameter of fiber is 3.9 μ
M, aperture are 20 μm.
Embodiment 2
A kind of preparation method of rare earth modified high strength non-woven fabric, including following operating procedure:
(1) by weight, 25 parts of lutecium chlorides, 18 parts of thulium chlorides are added into 140 parts of water, then proceed to that 58 are added thereto
After being mixed evenly, after the temperature of mixture is risen to 135 DEG C, isothermal holding 2.5 hours, cycloalkanes is made in part sodium naphthenate
Acid rare earth；
(2) by weight, by 58 parts of naphthenic acid rare earths, 2 parts of nano oxidized lutetiums, 0.8 part of nano oxidized thulium, 3 parts of metering systems
After mixing, modifier is made in sodium sulfonate, 0.4 part of ethylenediamine base propanesulfonate；
(3) by weight, by 90 parts of polybutylene terephthalate (PBT) slices, 7 parts of modifiers, 2 parts of flow ability modifying agents
After mixing, it is added into slice pelletizer, is blended after being granulated, PBT master batch is made, then by PBT master batch and poly- terephthaldehyde
Sour butanediol ester slice is added according to the ratio that mass ratio is 1:18 into molten spraying equipment, and after melt spinning, braiding, rare earth is made
Modified high-strength degree non-woven fabrics.
Specifically, in above-mentioned steps (2), nano oxidized lutetium, nano oxidized thulium Average Particle Diameters be 70nm.
Specifically, in above-mentioned steps (3), melt-blowing equipment spinneret board width is 30cm, and die head draw ratio is 1:10, spinneret orifice
Diameter 0.2mm, hole depth 2mm.
Specifically, in above-mentioned steps (3), rare earth modified high strength non-woven fabric obtained, wherein the average diameter of fiber is 3.9 μ
M, aperture are 20 μm.
Embodiment 3
A kind of preparation method of rare earth modified high strength non-woven fabric, including following operating procedure:
(1) by weight, 26 parts of lutecium chlorides, 19 parts of thulium chlorides are added into 150 parts of water, then proceed to that 60 are added thereto
After being mixed evenly, after the temperature of mixture is risen to 140 DEG C, isothermal holding 3 hours, aphthenic acids is made in part sodium naphthenate
Rare earth；
(2) by weight, by 60 parts of naphthenic acid rare earths, 3 parts of nano oxidized lutetiums, 0.9 part of nano oxidized thulium, 4 parts of metering systems
After mixing, modifier is made in sodium sulfonate, 0.5 part of ethylenediamine base propanesulfonate；
(3) by weight, by 92 parts of polybutylene terephthalate (PBT) slices, 9 parts of modifiers, 3 parts of flow ability modifying agents
After mixing, it is added into slice pelletizer, is blended after being granulated, PBT master batch is made, then by PBT master batch and poly- terephthaldehyde
Sour butanediol ester slice is added according to the ratio that mass ratio is 1:20 into molten spraying equipment, and after melt spinning, braiding, rare earth is made
Modified high-strength degree non-woven fabrics.
Specifically, in above-mentioned steps (2), nano oxidized lutetium, nano oxidized thulium Average Particle Diameters be 80nm.
Specifically, in above-mentioned steps (3), melt-blowing equipment spinneret board width is 30cm, and die head draw ratio is 1:10, spinneret orifice
Diameter 0.2mm, hole depth 2mm.
Specifically, in above-mentioned steps (3), rare earth modified high strength non-woven fabric obtained, wherein the average diameter of fiber is 3.9 μ
M, aperture are 20 μm.
Comparative example 1
Step does not add modifier in (3), remaining operating procedure is identical with embodiment 1.
Non-woven fabrics is made with the method for each embodiment and comparative example respectively, then tests its every mechanical property, test knot
Fruit is as shown in table 1:
1 non-woven fabrics mechanical experimental results of table
| Project | Longitudinal fracture intensity, N.mm-1 | Cross-breaking strength, N.mm-1 |
| Embodiment 1 | 0.73 | 0.68 |
| Comparative example 1 | 0.52 | 0.43 |
| Embodiment 2 | 0.75 | 0.71 |
| Embodiment 3 | 0.76 | 0.72 |
As shown in Table 1, non-woven fabrics made from the present embodiment, every excellent in mechanical performance.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (4)
1. a kind of preparation method of rare earth modified high strength non-woven fabric, which is characterized in that including following operating procedure:
(1) by weight, 23-26 parts of lutecium chlorides, 16-19 parts of thulium chlorides are added into 130-150 parts of water, then proceed to
55-60 parts of sodium naphthenates are wherein added, after being mixed evenly, the temperature of mixture are risen to 130-140 DEG C, isothermal holding 2-
After 3 hours, naphthenic acid rare earth is made；
(2) by weight, by 55-60 parts of naphthenic acid rare earths, 1-3 parts of nano oxidized lutetiums, 0.6-0.9 parts of nano oxidized thuliums, 2-4
After mixing, modifier is made in part methylpropene sodium sulfonate, 0.3-0.5 parts of ethylenediamine base propanesulfonates；
(3) by weight, by 88-92 parts of polybutylene terephthalate (PBT) slices, 5-9 parts of modifiers, 1-3 parts of flowings
Modifying agent after mixing, is added into slice pelletizer, is blended after being granulated, and is made PBT master batch, then by PBT master batch and poly- pair
Benzene dicarboxylic acid butanediol ester slice is added according to the ratio that mass ratio is 1:15-20 into molten spraying equipment, melt spinning, braiding
Afterwards, rare earth modified high strength non-woven fabric is made.
2. a kind of preparation method of rare earth modified high strength non-woven fabric according to claim 1, which is characterized in that above-mentioned step
Suddenly in (2), nano oxidized lutetium, nano oxidized thulium Average Particle Diameters be 60-80nm.
3. a kind of preparation method of rare earth modified high strength non-woven fabric according to claim 1, which is characterized in that above-mentioned step
Suddenly in (3), melt-blowing equipment spinneret board width is 30cm, and die head draw ratio is 1:10, orifice diameter 0.2mm, hole depth 2mm.
4. a kind of preparation method of rare earth modified high strength non-woven fabric according to claim 1, which is characterized in that above-mentioned step
Suddenly in (3), rare earth modified high strength non-woven fabric obtained, wherein the average diameter of fiber is 3.9 μm, and aperture is 20 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810773036.1A CN108998854A (en) | 2018-07-14 | 2018-07-14 | A kind of preparation method of rare earth modified high strength non-woven fabric |
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| CN201810773036.1A CN108998854A (en) | 2018-07-14 | 2018-07-14 | A kind of preparation method of rare earth modified high strength non-woven fabric |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111303534A (en) * | 2020-04-09 | 2020-06-19 | 天津科创医药中间体技术生产力促进有限公司 | Special rare earth/polypropylene composite master batch for melt-blowing, melt-blown fabric and preparation method thereof |
| CN113906176A (en) * | 2019-06-04 | 2022-01-07 | 三井化学株式会社 | Melt-blown nonwoven fabric, filter, and method for producing melt-blown nonwoven fabric |
| CN114525624A (en) * | 2021-08-02 | 2022-05-24 | 恒天嘉华非织造有限公司 | High-strength cotton non-woven fabric with dry and comfortable surface and preparation method thereof |
-
2018
- 2018-07-14 CN CN201810773036.1A patent/CN108998854A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113906176A (en) * | 2019-06-04 | 2022-01-07 | 三井化学株式会社 | Melt-blown nonwoven fabric, filter, and method for producing melt-blown nonwoven fabric |
| CN111303534A (en) * | 2020-04-09 | 2020-06-19 | 天津科创医药中间体技术生产力促进有限公司 | Special rare earth/polypropylene composite master batch for melt-blowing, melt-blown fabric and preparation method thereof |
| CN114525624A (en) * | 2021-08-02 | 2022-05-24 | 恒天嘉华非织造有限公司 | High-strength cotton non-woven fabric with dry and comfortable surface and preparation method thereof |
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Application publication date: 20181214 |