CN110744898A - Polyester fiber net composite geotextile and preparation method thereof - Google Patents

Polyester fiber net composite geotextile and preparation method thereof Download PDF

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Publication number
CN110744898A
CN110744898A CN201911024474.9A CN201911024474A CN110744898A CN 110744898 A CN110744898 A CN 110744898A CN 201911024474 A CN201911024474 A CN 201911024474A CN 110744898 A CN110744898 A CN 110744898A
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China
Prior art keywords
layer
geotextile
net
polyester fiber
fibers
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CN201911024474.9A
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Chinese (zh)
Inventor
蔡四良
谢朝霞
蔡望帆
欧阳清
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Hunan Sheng Shi Earthwork Materials Manufacturing Co Ltd
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Hunan Sheng Shi Earthwork Materials Manufacturing Co Ltd
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Priority to CN201911024474.9A priority Critical patent/CN110744898A/en
Publication of CN110744898A publication Critical patent/CN110744898A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/028—Net structure, e.g. spaced apart filaments bonded at the crossing points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding 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
    • 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
    • D01F1/07—Addition of substances to the spinning solution or to the melt for making fire- or flame-proof filaments
    • 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
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/02—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
    • 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
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/08—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyacrylonitrile as constituent
    • 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
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
    • 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
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/16—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds as constituent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0246—Acrylic resin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/04—Cellulosic plastic fibres, e.g. rayon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/14—Mixture of at least two fibres made of different materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/21—Anti-static
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/71—Resistive to light or to UV
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Woven Fabrics (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses a polyester fiber mesh composite geotextile and a preparation method thereof, wherein the polyester fiber mesh composite geotextile comprises a net-shaped layer positioned at a bottom layer and a high-strength geotextile base layer positioned at an upper layer, the net-shaped layer and the geotextile base layer are fixedly connected in a bonding mode, the net-shaped layer is of a net-shaped structure formed by weaving warps and wefts, and the geotextile base layer and the net-shaped layer are made of the same material and are prepared by blending various fibers and composite materials. The polyester fiber net composite geotextile and the preparation method thereof can provide enough strength for the whole body by the polyimide fibers and the viscose fibers, ensure the stability of the structure of the geotextile, and the viscose fibers and the polyester fibers can provide anti-wrinkle, firm, breathable, antistatic and ultraviolet resistant effects to adapt to different use environments, improve the use range, and in addition, the combination of the acrylic fibers and the viscose fibers can improve the moisture resistance and simultaneously cooperate with the use of a flame retardant, so that the geotextile has strong enough high temperature resistance and heat-resistant flame retardant effect.

Description

Polyester fiber net composite geotextile and preparation method thereof
Technical Field
The invention belongs to the technical field of preparation of composite geotextiles, and particularly relates to a polyester fiber mesh composite geotextile and a preparation method thereof.
Background
The geotextile has excellent filtering, water draining, isolating, reinforcing and protecting effects, has the characteristics of light weight, high tensile strength, good permeability, high temperature resistance, freezing resistance, aging resistance and corrosion resistance, and is mainly applied to projects such as water conservancy ports, navigation channels, railways, highways and the like with small silt diameter and large stress. The application of the geosynthetic material originated in the fifties of the twentieth century, and domestic geotextiles were one of the eighty-five plans of the country.
The composite geotextile is one of large families of geosynthetics, and is widely applied to the aspects of roads, railways, water conservancy, large buildings, ash dam construction of power plants, nonferrous metal tailing treatment, environmental protection engineering, water and soil conservation and the like, so the environment for using the geotextile is severe, the geotextile not only needs high strength, corrosion resistance, heat resistance and other properties, but also needs to have the functions of radiation resistance, ultraviolet resistance, high temperature resistance, water permeability and the like.
Disclosure of Invention
The invention aims to provide a polyester fiber mesh composite geotextile and a preparation method thereof, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a compound geotechnological cloth of polyester fiber net, is including the geotechnological cloth basic unit that is located the reticular layer of bottom and is located the high strength of upper strata, through the mode fixed connection that bonds between reticular layer and the geotechnological cloth basic unit, and the reticular layer is by warp and weft weave the network structure that forms, geotechnological cloth basic unit is the same with the material on reticular layer, all forms by multiple fibre and combined material blending preparation.
Preferably, the geotextile base layer and the mesh layer comprise the following components in parts by weight: 10-20 parts of polyimide fiber, 30-50 parts of polyester fiber, 15-25 parts of acrylic fiber, 25-50 parts of viscose fiber, 5-10 parts of plasticizer and 1-3 parts of flame retardant.
Preferably, the plasticizer is any one of DEHP, dibutyl phthalate, and diethyl phthalate.
Preferably, the flame retardant is any one or combination of more of magnesium hydroxide, aluminum hydroxide and silica.
A preparation method of a polyester fiber net composite geotextile comprises the following steps:
s1: adding the components of the raw materials in the formula into a reciprocating type mixing extruder for heating and mixing, controlling the heating temperature to be 180-220 ℃, and mixing for 4-8 hours;
s2: extruding the mixed material from a reciprocating type mixing extruder, and then feeding the extruded mixed material into a single-screw extruder for high-pressure high-temperature extrusion, wherein the temperature is controlled to be 140-160 ℃;
s3: filtering impurities of the mixed material after high-pressure extrusion through a filter, and then feeding the mixed material into spinning equipment to form fibers;
s4: weaving the fibers by a weaving machine, and weaving the fibers into corresponding net-shaped layers and geotextile base layers according to requirements;
s5: and (4) placing the mesh layer woven in the step S4 on the bottom layer, placing the geotextile layer above the bottom layer, fixedly welding and bonding the upper layer and the bottom layer by using an adhesive bonding mode, and packaging and warehousing after bonding.
Preferably, in S2, the extrusion speed in the screw extruder is 180-240 rpm, the spinneret plate has 120-160 holes, and the aperture is 0.4-0.7 mm.
Preferably, in S4, the mesh layer is formed by weaving warps and wefts in a warp knitting machine, and in S5, the adhesive used for bonding the mesh layer and the geotextile base layer is polyester powder.
The invention has the technical effects and advantages that: according to the polyester fiber net composite geotextile and the preparation method thereof, through the combined design of the net-shaped layer and the geotextile base layer, the net-shaped layer is arranged on the bottom layer and clings to the ground when in use, and the friction force of the net-shaped layer clinging to the ground can be improved through the net-shaped design, so that the polyester fiber net composite geotextile is fixed on the ground stably; meanwhile, the reticular layer and the geotextile base layer are prepared by polyimide fibers, polyester fibers, acrylic fibers and viscose fibers in a combined blending mode, enough strength can be provided for the whole by the polyimide fibers and the viscose fibers, the stability of the structure of the geotextile base layer is ensured, the viscose fibers and the polyester fibers can provide crease resistance, firmness, air permeability, the antistatic effect and the ultraviolet resistance effect to enable the geotextile base layer to adapt to different use environments, the use range is improved, in addition, the combination of the acrylic fibers and the viscose fibers can also improve the moisture resistance, the use is matched with the use of a flame retardant, the geotextile base layer has strong enough high-temperature resistance and heat-resistant flame-retardant effect, the spontaneous combustion problem is avoided when the geotextile base layer is used under the high-temperature condition, and the.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the contents of the present invention, and it is obvious that the described contents are only a part of the contents of the present invention, and not all of the contents. All other matters which can be obtained by a person skilled in the art without making creative efforts based on the contents of the present invention belong to the protection scope of the present invention.
Example 1
The invention provides a polyester fiber mesh composite geotextile, which comprises a net-shaped layer positioned at a bottom layer and a high-strength geotextile base layer positioned at an upper layer, wherein the net-shaped layer and the geotextile base layer are fixedly connected in a bonding mode, the net-shaped layer is of a net-shaped structure formed by weaving warps and wefts, and the geotextile base layer and the net-shaped layer are made of the same material and are prepared by blending various fibers and composite materials.
Specifically, the geotextile base layer and the net-shaped layer comprise the following components in parts by weight: 10-20 parts of polyimide fiber, 30-50 parts of polyester fiber, 15-25 parts of acrylic fiber, 25-50 parts of viscose fiber, 5-10 parts of plasticizer and 1-3 parts of flame retardant.
Specifically, the plasticizer is any one of DEHP, dibutyl phthalate and diethyl phthalate.
Specifically, the flame retardant is any one or combination of more of magnesium hydroxide, aluminum hydroxide and silicon dioxide.
A preparation method of a polyester fiber net composite geotextile comprises the following steps:
s1: adding the components of the raw materials in the formula into a reciprocating type mixing extruder for heating and mixing, controlling the heating temperature to be 180-220 ℃, and mixing for 4-8 hours;
s2: extruding the mixed material from a reciprocating type mixing extruder, and then feeding the extruded mixed material into a single-screw extruder for high-pressure high-temperature extrusion, wherein the temperature is controlled to be 140-160 ℃;
s3: filtering impurities of the mixed material after high-pressure extrusion through a filter, and then feeding the mixed material into spinning equipment to form fibers;
s4: weaving the fibers by a weaving machine, and weaving the fibers into corresponding net-shaped layers and geotextile base layers according to requirements;
s5: and (4) placing the mesh layer woven in the step S4 on the bottom layer, placing the geotextile layer above the bottom layer, fixedly welding and bonding the upper layer and the bottom layer by using an adhesive bonding mode, and packaging and warehousing after bonding.
Specifically, in S2, the extrusion speed in the screw extruder is 180-.
Specifically, in S4, the mesh layer is formed by weaving warp and weft yarns in a warp knitting machine, and in S5, the adhesive used for bonding the mesh layer and the geotextile base layer is polyester powder.
Example 2
The utility model provides a compound geotechnological cloth of polyester fiber net, is including the geotechnological cloth basic unit that is located the reticular layer of bottom and is located the high strength of upper strata, through the mode fixed connection that bonds between reticular layer and the geotechnological cloth basic unit, and the reticular layer is by warp and weft weave the network structure that forms, geotechnological cloth basic unit is the same with the material on reticular layer, all forms by multiple fibre and combined material blending preparation.
Specifically, the geotextile base layer and the net-shaped layer comprise the following components in parts by weight: 10-20 parts of polyimide fiber, 30-50 parts of polyester fiber, 15-25 parts of acrylic fiber, 25-50 parts of viscose fiber, 5-10 parts of plasticizer and 1-3 parts of flame retardant.
Specifically, the plasticizer is any one of DEHP, dibutyl phthalate and diethyl phthalate.
Specifically, the flame retardant is any one or combination of more of magnesium hydroxide, aluminum hydroxide and silicon dioxide.
A preparation method of a polyester fiber net composite geotextile comprises the following steps:
s1: adding the components of the raw materials in the formula into a reciprocating type mixing extruder for heating and mixing, controlling the heating temperature to be 180-220 ℃, and mixing for 4-8 hours;
s2: extruding the mixed material from a reciprocating type mixing extruder, and then feeding the extruded mixed material into a single-screw extruder for high-pressure high-temperature extrusion, wherein the temperature is controlled to be 140-160 ℃;
s3: filtering impurities of the mixed material after high-pressure extrusion through a filter, and then feeding the mixed material into spinning equipment to form fibers;
s4: weaving the fibers by a weaving machine, and weaving the fibers into corresponding net-shaped layers and geotextile base layers according to requirements;
s5: and (4) placing the mesh layer woven in the step S4 on the bottom layer, placing the geotextile layer above the bottom layer, fixedly welding and bonding the upper layer and the bottom layer by using an adhesive bonding mode, and packaging and warehousing after bonding.
Specifically, in S2, the extrusion speed in the screw extruder is 180-.
Specifically, in S4, the mesh layer is formed by weaving warp and weft yarns in a warp knitting machine, and in S5, the adhesive used for bonding the mesh layer and the geotextile base layer is polyester powder.
Example 3
The utility model provides a compound geotechnological cloth of polyester fiber net, is including the geotechnological cloth basic unit that is located the reticular layer of bottom and is located the high strength of upper strata, through the mode fixed connection that bonds between reticular layer and the geotechnological cloth basic unit, and the reticular layer is by warp and weft weave the network structure that forms, geotechnological cloth basic unit is the same with the material on reticular layer, all forms by multiple fibre and combined material blending preparation.
Specifically, the geotextile base layer and the net-shaped layer comprise the following components in parts by weight: 10-20 parts of polyimide fiber, 30-50 parts of polyester fiber, 15-25 parts of acrylic fiber, 25-50 parts of viscose fiber, 5-10 parts of plasticizer and 1-3 parts of flame retardant.
Specifically, the plasticizer is any one of DEHP, dibutyl phthalate and diethyl phthalate.
Specifically, the flame retardant is any one or combination of more of magnesium hydroxide, aluminum hydroxide and silicon dioxide.
A preparation method of a polyester fiber net composite geotextile comprises the following steps:
s1: adding the components of the raw materials in the formula into a reciprocating type mixing extruder for heating and mixing, controlling the heating temperature to be 180-220 ℃, and mixing for 4-8 hours;
s2: extruding the mixed material from a reciprocating type mixing extruder, and then feeding the extruded mixed material into a single-screw extruder for high-pressure high-temperature extrusion, wherein the temperature is controlled to be 140-160 ℃;
s3: filtering impurities of the mixed material after high-pressure extrusion through a filter, and then feeding the mixed material into spinning equipment to form fibers;
s4: weaving the fibers by a weaving machine, and weaving the fibers into corresponding net-shaped layers and geotextile base layers according to requirements;
s5: and (4) placing the mesh layer woven in the step S4 on the bottom layer, placing the geotextile layer above the bottom layer, fixedly welding and bonding the upper layer and the bottom layer by using an adhesive bonding mode, and packaging and warehousing after bonding.
Specifically, in S2, the extrusion speed in the screw extruder is 180-.
Specifically, in S4, the mesh layer is formed by weaving warp and weft yarns in a warp knitting machine, and in S5, the adhesive used for bonding the mesh layer and the geotextile base layer is polyester powder.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (7)

1. The utility model provides a compound geotechnological cloth of polyester fiber net, includes the geotechnological cloth base course that is located the netted layer of bottom and is located the high strength of upper strata, its characterized in that: the net-shaped layer is fixedly connected with the geotextile base layer in a bonding mode, the net-shaped layer is of a net-shaped structure formed by weaving warp yarns and weft yarns, and the geotextile base layer and the net-shaped layer are made of the same materials and are prepared by blending various fibers and composite materials.
2. The polyester fiber net composite geotextile of claim 1, wherein: the geotextile base layer and the net-shaped layer comprise the following components in parts by weight: 10-20 parts of polyimide fiber, 30-50 parts of polyester fiber, 15-25 parts of acrylic fiber, 25-50 parts of viscose fiber, 5-10 parts of plasticizer and 1-3 parts of flame retardant.
3. The polyester fiber net composite geotextile of claim 2, wherein: the plasticizer is any one of DEHP, dibutyl phthalate and diethyl phthalate.
4. The polyester fiber net composite geotextile of claim 2, wherein: the flame retardant is any one or combination of more of magnesium hydroxide, aluminum hydroxide and silicon dioxide.
5. The method for preparing the polyester fiber net composite geotextile according to claim 1, wherein the method comprises the following steps: the method comprises the following steps:
s1: adding the components of the raw materials in the formula into a reciprocating type mixing extruder for heating and mixing, controlling the heating temperature to be 180-220 ℃, and mixing for 4-8 hours;
s2: extruding the mixed material from a reciprocating type mixing extruder, and then feeding the extruded mixed material into a single-screw extruder for high-pressure high-temperature extrusion, wherein the temperature is controlled to be 140-160 ℃;
s3: filtering impurities of the mixed material after high-pressure extrusion through a filter, and then feeding the mixed material into spinning equipment to form fibers;
s4: weaving the fibers by a weaving machine, and weaving the fibers into corresponding net-shaped layers and geotextile base layers according to requirements;
s5: and (4) placing the mesh layer woven in the step S4 on the bottom layer, placing the geotextile layer above the bottom layer, fixedly welding and bonding the upper layer and the bottom layer by using an adhesive bonding mode, and packaging and warehousing after bonding.
6. The method for preparing the polyester fiber net composite geotextile according to claim 5, wherein the method comprises the following steps: in S2, the extrusion speed in the screw extruder is 180-240 rpm, the spinneret plate has 120-160 holes, and the hole diameter is 0.4-0.7 mm.
7. The method for preparing the polyester fiber net composite geotextile according to claim 5, wherein the method comprises the following steps: in S4, the mesh layer is formed by weaving warps and wefts in a warp knitting machine, and in S5, the adhesive used for bonding the mesh layer and the geotextile base layer is polyester powder.
CN201911024474.9A 2019-10-25 2019-10-25 Polyester fiber net composite geotextile and preparation method thereof Pending CN110744898A (en)

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