CN106906538A - A kind of polypropylene filament, polypropylene filament acupuncture anti-filter geotextiles and preparation method - Google Patents

A kind of polypropylene filament, polypropylene filament acupuncture anti-filter geotextiles and preparation method Download PDF

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Publication number
CN106906538A
CN106906538A CN201710096577.0A CN201710096577A CN106906538A CN 106906538 A CN106906538 A CN 106906538A CN 201710096577 A CN201710096577 A CN 201710096577A CN 106906538 A CN106906538 A CN 106906538A
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China
Prior art keywords
polypropylene filament
polypropylene
filament
filter
acupuncture
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CN201710096577.0A
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Chinese (zh)
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CN106906538B (en
Inventor
镇垒
聂松林
姜瑞明
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Dingfeng Polypropylene Materials Technology Co Ltd Days
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Dingfeng Polypropylene Materials Technology Co Ltd Days
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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
    • D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
    • D01F11/04—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers
    • D01F11/06—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/007—Addition polymers
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/016—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the fineness
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
    • D04H3/105—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by needling
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
    • D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/06—Load-responsive characteristics
    • D10B2401/063—Load-responsive characteristics high strength
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D10B2505/04—Filters
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D10B2505/20—Industrial for civil engineering, e.g. geotextiles

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nonwoven Fabrics (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

The present invention provides a kind of polypropylene filament, polypropylene filament acupuncture anti-filter geotextiles and preparation method, belongs to textile technology field, and it can be solved the problems, such as, and the easy silting of existing geotextiles, anti-filter effect be poor, fracture strength is low.Polypropylene filament of the invention is to form lubricant on the outer surface of thread polypropylene bodies, to improve the mechanical property of polypropylene filament, prevents polypropylene filament to be broken in the needling process for forming geotextiles.Polypropylene filament acupuncture anti-filter geotextiles of the invention include the fleece of two-layer different fineness, form two-stage anti-filter；Its effective aperture is big, is difficult silting, and can effectively play reverse filter effect；Its resistance to acids and bases is strong, under conditions of pH value 2 13, is not affected；Its excellent in mechanical performance, vertical transverse strength reaches 15kN/m, and its bursting strength, tearing toughness exceed polyester geotex-tile in addition.Polypropylene filament acupuncture anti-filter geotextiles of the invention are applied to highway loaded filter.

Description

A kind of polypropylene filament, polypropylene filament acupuncture anti-filter geotextiles and preparation method
Technical field
The invention belongs to textile technology field, and in particular to a kind of polypropylene filament, polypropylene filament acupuncture anti-filter geotechnique Cloth and preparation method.
Background technology
Current expressway works generally uses polyester geotex-tile as loaded filter.Anti-filter refers to same pass through liquid When, keep not being lost in by the grogs of osmotic pressure effect.Because the water (flow) direction with filtering is conversely, referred to as anti-filter.In the prior art Short silk needle-punched geotextiles can replace traditional sandy gravel loaded filter, fast etc. excellent with quantities, easy construction, speed is reduced Point.
Inventor has found that at least there are the following problems in the prior art：Polyester geotex-tile monofilament/fibre fineness in 3D or so, The diameter of silk is too thin, causes the effective aperture of geotextiles small, and anti-filter effect is poor；It is single when polyester geotex-tile monofilament accomplishes more than 5D Silk/fibre strength is low, and geotextiles fracture strength does not reach the design requirement of highway.The effective aperture of polyester geotex-tile is inclined It is small, Expressway Design requirement is not reached, easily cause Geotextile silting, it is impossible to after playing reverse filter effect, or even silting Water row do not go out, and causes highway ponding, can seriously cause landslide.
The content of the invention
The present invention is directed to the easy silting of existing geotextiles, the problem that anti-filter effect is poor, fracture strength is low, there is provided a kind of high speed Highway polypropylene filament, polypropylene filament acupuncture anti-filter geotextiles and preparation method.
Solving the technical scheme that is used of present invention problem is：
A kind of polypropylene filament, including thread polypropylene bodies, have lubricant on the outer surface of the polypropylene bodies.
Wherein, the effect of lubricant is the mechanical property for improving thread polypropylene bodies, prevents polypropylene filament follow-up It is broken in needling process.
Preferably, the lubricant includes any one or a few the mixing in smooth agent, antistatic additive, emulsifying agent Thing.
Preferably, the smooth agent, antistatic additive, the weight ratio of emulsifying agent are (65-75):(17-23):(8-12).
The present invention also provides a kind of polypropylene filament acupuncture anti-filter geotextiles, and it includes surface fibre net and bottom fiber Net, the surface fibre net and bottom fiber net are constituted by above-mentioned polypropylene filament.
Preferably, the polypropylene filament thickness of the surface fibre net is 9-11D, the polypropylene of the bottom fiber net Long filament thickness is 6-8D.
Preferably, the vertically and horizontally tensile strength of the polypropylene filament acupuncture anti-filter geotextiles is more than 15kN/m, described The effective aperture of polypropylene filament acupuncture anti-filter geotextiles is more than 0.15mm.
The present invention also provides a kind of preparation method of polypropylene filament acupuncture anti-filter geotextiles, including following preparation process：
Pp material is thermally formed melt body, thread poly- third is formed by the melt body melting extrusion and by spinning pack Alkene main body；
Polypropylene filament is obtained to the thread polypropylene bodies spraying lubricant, by the polypropylene filament drawing-off and is put Silk forms surface fibre net and bottom fiber net；
The surface fibre net and bottom fiber net are obtained into polypropylene filament acupuncture anti-filter geotechnique by acupuncture, thermal finalization Cloth.
Wherein, the pp material refers to polypropylene chip, its isotactic index >=95%.
Preferably, the lubricant and the weight ratio of polypropylene filament for being sprayed to polypropylene filament are (7-9)：100.
Preferably, the melting extrusion temperature is 230-250 DEG C, and the melt body flow rate is 19-25g/10min.
Preferably, the surface fibre net drafting multiple is 2.8-3.3 times；The bottom fiber net drafting multiple is 3.7-4.3 times.
Wherein, if polypropylene filament is too thick, product appearance is plain, and the product of crin will than the product fracture strength of filament It is small.If polypropylene filament is too thin, the strainability of product is influenceed.
Preferably, the acupuncture gross density is 110-170/cm2, depth of needling is 10-12cm.
Preferably, the heat setting temperature is 100-102 DEG C.
Preferably, the polypropylene filament acupuncture anti-filter geotextiles are applied in the environment that pH is 2-13.
Polypropylene filament of the invention is that lubricant is formed on the outer surface of thread polypropylene bodies, can so be improved The mechanical property of polypropylene filament, prevents polypropylene filament to be broken in the needling process for forming geotextiles.Of the invention poly- third Alkene long filament acupuncture anti-filter geotextiles include the fleece of two-layer different fineness, form two-stage anti-filter, and anti-filter effect is good；Its equivalent aperture Footpath is big, and test value reaches 0.15mm, is difficult silting, and can effectively play reverse filter effect；Its resistance to acids and bases is strong, in pH value 2-13 Under conditions of, it is not affected；Its excellent in mechanical performance, vertical transverse strength reaches 15kN/m, in addition its bursting strength, anti-tear Resistance to spalling exceedes polyester geotex-tile.Polypropylene filament acupuncture anti-filter geotextiles of the invention are applied to highway loaded filter.
Brief description of the drawings
Fig. 1 is the structural representation of the polypropylene filament of embodiments of the invention 1；
Fig. 2 is the preparation flow schematic diagram of the polypropylene filament acupuncture anti-filter geotextiles of embodiments of the invention 2；
Wherein, reference is：1st, polypropylene filament；11st, polypropylene bodies；12nd, lubricant.
Specific embodiment
To make those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings and specific embodiment party Formula is described in further detail to the present invention.
Embodiment 1：
The present embodiment provides a kind of polypropylene filament 1, as shown in figure 1, it includes thread polypropylene bodies 11, described poly- third There is lubricant 12 on the outer surface of alkene main body 11.
The polypropylene filament 1 of the present embodiment is formation lubricant 12, this reality on the outer surface of thread polypropylene bodies 11 The effect for applying lubricant in example is the mechanical property for improving polypropylene filament 1, prevents polypropylene filament 1 from forming the pin of geotextiles Thorn process disruption is split.
Wherein, the lubricant 12 can coat or be wrapped in the polypropylene bodies in the form of spraying or soak On outer surface, what Fig. 1 was given is the situation that lubricant 12 is coated with the outer surface of polypropylene bodies 11, it is possible to understand that It is that the situation for being coated with lubricant 12 on the outer surface of polypropylene bodies 11 at portion is also contained in protection model of the invention In enclosing.
Preferably, the lubricant includes any one or a few the mixing in smooth agent, antistatic additive, emulsifying agent Thing.It is further preferred that the weight ratio of the smooth agent, antistatic additive, emulsifying agent is (65-75):(17-23):(8-12).
That is, lubricant is the mixture of several auxiliary agents such as smooth agent, antistatic additive, emulsifying agent in the present embodiment, Wherein, smooth agent, antistatic additive, the weight ratio of emulsifying agent can be adjusted according to concrete technology.
Embodiment 2：
The present embodiment provides a kind of polypropylene filament acupuncture anti-filter geotextiles and preparation method thereof, including following preparation walks Suddenly：
(1) shape will be heated at 230 DEG C of the polypropylene chip (sinopec Jinan Refinery PPH-Y24) of isotactic index >=95% Into melt body, melt body flow rate is 22g/10min, and thread polypropylene is formed by the melt body melting extrusion and by spinning pack Main body.
(2) obtained with some strength polypropylene filament, to polypropylene to the thread polypropylene bodies spraying lubricant The lubricant of long filament sprinkling is 8.0 with the weight ratio of polypropylene filament：100, wherein, polypropylene filament filament strength is in 2.5cn/ More than dtex；By the polypropylene filament is by drafting system drawing-off and pendulum wire forms surface fibre net and bottom fiber net；Its The polypropylene filament drafting multiple of middle surface fibre net is 3.0 times, and the fineness of the polypropylene filament of surface fibre net is 11D；Bottom The polypropylene filament drafting multiple of layer fleece is 4.0 times, and the fineness of polypropylene filament is 8D.
(3) the surface fibre net and bottom fiber net are obtained into grammes per square metre for 200g/ by thermal finalization at acupuncture, 102 DEG C m2Polypropylene filament acupuncture anti-filter geotextiles.Wherein, acupuncture gross density is 150/cm2, depth of needling is 12mm.
Embodiment 3：
The present embodiment provides a kind of polypropylene filament acupuncture anti-filter geotextiles and preparation method thereof, including following preparation walks Suddenly：
(1) melt body will be thermally formed at 250 DEG C of polypropylene chip, melt body flow rate is 19g/10min, by the melt body Melting extrusion simultaneously forms thread polypropylene bodies by spinning pack.
(2) obtained with some strength polypropylene filament, to polypropylene to the thread polypropylene bodies spraying lubricant The lubricant of long filament sprinkling is 8.2 with the weight ratio of polypropylene filament：100, wherein, polypropylene filament filament strength is in 2.5cn/ More than dtex；By the polypropylene filament is by drafting system drawing-off and pendulum wire forms surface fibre net and bottom fiber net；Its The polypropylene filament drafting multiple of middle surface fibre net is 3.1 times, and the fineness of the polypropylene filament of surface fibre net is 10D；Bottom The polypropylene filament drafting multiple of layer fleece is 4.1 times, and the fineness of polypropylene filament is 7D.
(3) the surface fibre net and bottom fiber net are obtained into grammes per square metre for 203g/ by thermal finalization at acupuncture, 101 DEG C m2Polypropylene filament acupuncture anti-filter geotextiles.Wherein, acupuncture gross density is 130/cm2, depth of needling is 11mm.
Embodiment 4：
The present embodiment provides a kind of polypropylene filament acupuncture anti-filter geotextiles and preparation method thereof, including following preparation walks Suddenly：
(1) melt body will be thermally formed at 240 DEG C of polypropylene chip, melt body flow rate is 25g/10min, by the melt body Melting extrusion simultaneously forms thread polypropylene bodies by spinning pack.
(2) obtained with some strength polypropylene filament, to polypropylene to the thread polypropylene bodies spraying lubricant The lubricant of long filament sprinkling is 7 with the weight ratio of polypropylene filament：100, wherein, polypropylene filament filament strength is in 2.5cn/ More than dtex；By the polypropylene filament is by drafting system drawing-off and pendulum wire forms surface fibre net and bottom fiber net；Its The polypropylene filament drafting multiple of middle surface fibre net is 3.3 times, and the fineness of the polypropylene filament of surface fibre net is 9D；Bottom The polypropylene filament drafting multiple of fleece is 4.3 times, and the fineness of polypropylene filament is 6D.
(3) the surface fibre net and bottom fiber net are obtained into grammes per square metre for 205g/ by thermal finalization at acupuncture, 100 DEG C m2Polypropylene filament acupuncture anti-filter geotextiles.Wherein, acupuncture gross density is 110/cm2, depth of needling is 10mm.
Comparative example
Comparative example provides a kind of geotextiles, and it has similar with the polypropylene filament acupuncture anti-filter geotextiles of embodiment 2 Preparation method, it is with the difference of embodiment 2, and step is not added with lubricant in (2).
It is native to the polypropylene filament acupuncture anti-filter of embodiment 2-4 and comparative example according to GB/T 17639-2008 national standards Work cloth detected, the results are shown in Table 1.
Table 1
The polypropylene filament acupuncture anti-filter geotextiles of above-described embodiment 2-4 are used in the environment of pH value 2-13, this poly- third Alkene long filament acupuncture anti-filter geotechnique be not affected, and can use it for highway loaded filter with long-term use, and being fully achieved makes With requiring.
Embodiment 5：
The present embodiment provides a kind of polypropylene filament acupuncture anti-filter geotextiles and preparation method thereof, including following preparation walks Suddenly：
(1) melt body will be thermally formed at 240 DEG C of polypropylene chip, melt body flow rate is 25g/10min, by the melt body Melting extrusion simultaneously forms thread polypropylene bodies by spinning pack.
(2) obtained with some strength polypropylene filament, to polypropylene to the thread polypropylene bodies spraying lubricant The lubricant of long filament sprinkling is 9 with the weight ratio of polypropylene filament：100, wherein, polypropylene filament filament strength is in 2.5cn/ More than dtex；By the polypropylene filament is by drafting system drawing-off and pendulum wire forms surface fibre net and bottom fiber net；Its The polypropylene filament drafting multiple of middle surface fibre net is 2.8 times, and the fineness of the polypropylene filament of surface fibre net is 9D；Bottom The polypropylene filament drafting multiple of fleece is 3.7 times, and the fineness of polypropylene filament is 6D.
(3) the surface fibre net and bottom fiber net are obtained into grammes per square metre for 204g/ by thermal finalization at acupuncture, 100 DEG C m2Polypropylene filament acupuncture anti-filter geotextiles.Wherein, acupuncture gross density is 170/cm2, depth of needling is 10mm.
Obviously, also many modifications may be made to for the specific embodiment of the various embodiments described above；For example：The specific weight ratio of raw material Example can be adjusted as needed, and specific technological parameter can be changed according to product needed.
It is understood that the embodiment of above principle being intended to be merely illustrative of the present and the exemplary implementation for using Mode, but the invention is not limited in this.For those skilled in the art, essence of the invention is not being departed from In the case of god and essence, various changes and modifications can be made therein, and these variations and modifications are also considered as protection scope of the present invention.

Claims (10)

1. a kind of polypropylene filament, it is characterised in that including thread polypropylene bodies, has on the outer surface of the polypropylene bodies There is lubricant.
2. polypropylene filament according to claim 1, it is characterised in that the lubricant include smooth agent, antistatic additive, Any one or a few mixture in emulsifying agent.
3. polypropylene filament according to claim 2, it is characterised in that the smooth agent, antistatic additive, the weight of emulsifying agent Amount is than being (65-75):(17-23):(8-12).
4. a kind of polypropylene filament acupuncture anti-filter geotextiles, it is characterised in that described including surface fibre net and bottom fiber net Surface fibre net and bottom fiber net are constituted by the polypropylene filament described in claim any one of 1-3.
5. polypropylene filament acupuncture anti-filter geotextiles according to claim 4, it is characterised in that the surface fibre net Polypropylene filament thickness is 9-11D, and the polypropylene filament thickness of the bottom fiber net is 6-8D.
6. polypropylene filament acupuncture anti-filter geotextiles according to claim 4, it is characterised in that the polypropylene filament pin The vertically and horizontally tensile strength for piercing anti-filter geotextiles is more than 15kN/m, the effective aperture of the polypropylene filament acupuncture anti-filter geotextiles More than 0.15mm.
7. a kind of preparation method of polypropylene filament acupuncture anti-filter geotextiles, it is characterised in that including following preparation process：
Pp material is thermally formed melt body, thread polypropylene master is formed by the melt body melting extrusion and by spinning pack Body；
Polypropylene filament is obtained to the thread polypropylene bodies spraying lubricant, by the polypropylene filament drawing-off and pendulum wire shape Into surface fibre net and bottom fiber net；
The surface fibre net and bottom fiber net are obtained into polypropylene filament acupuncture anti-filter geotextiles by acupuncture, thermal finalization.
8. the preparation method of polypropylene filament acupuncture anti-filter geotextiles according to claim 7, it is characterised in that to described The lubricant of thread polypropylene bodies sprinkling and the weight ratio of polypropylene bodies are (7-9)：100.
9. the preparation method of polypropylene filament acupuncture anti-filter geotextiles according to claim 7, it is characterised in that the table Layer fleece drafting multiple is 2.8-3.3 times；The bottom fiber net drafting multiple is 3.7-4.3 times.
10. the preparation method of polypropylene filament acupuncture anti-filter geotextiles according to claim 7, it is characterised in that described Acupuncture gross density is 110-170/cm2, depth of needling is 10-12cm.
CN201710096577.0A 2017-02-22 2017-02-22 Polypropylene filament, polypropylene filament needle-punched reverse-filtration geotextile and preparation method Active CN106906538B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115897070A (en) * 2023-01-06 2023-04-04 天鼎丰聚丙烯材料技术有限公司 Polypropylene filament antibacterial filtering geotextile

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CN1444673A (en) * 2000-06-13 2003-09-24 出光统一科技株式会社 Spunbonded nonwoven fabric and absorbent article
CN1528960A (en) * 2003-10-20 2004-09-15 华南理工大学 Color-fixing polypropylene fiber dyed-yarn preparing method
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115897070A (en) * 2023-01-06 2023-04-04 天鼎丰聚丙烯材料技术有限公司 Polypropylene filament antibacterial filtering geotextile
CN115897070B (en) * 2023-01-06 2023-07-28 天鼎丰聚丙烯材料技术有限公司 Polypropylene filament antibacterial filtering geotextile

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