CN111703136A - Sound-insulation noise-reduction tufting engineering blanket and preparation method thereof - Google Patents

Sound-insulation noise-reduction tufting engineering blanket and preparation method thereof Download PDF

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Publication number
CN111703136A
CN111703136A CN202010535736.4A CN202010535736A CN111703136A CN 111703136 A CN111703136 A CN 111703136A CN 202010535736 A CN202010535736 A CN 202010535736A CN 111703136 A CN111703136 A CN 111703136A
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layer
parts
carpet
engineering
sound
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庄跃进
苏添福
王宝荣
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Nuoao Fujian Environment Protection Household Product Co ltd
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Nuoao Fujian Environment Protection Household Product Co ltd
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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
    • B32B5/02—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
    • B32B5/022—Non-woven fabric
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/08—Impregnating
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/16—Drying; Softening; Cleaning
    • B32B38/164—Drying
    • 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
    • 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
    • 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
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/20—All layers 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/20—Inorganic coating
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • 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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • 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
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Carpets (AREA)

Abstract

The invention has provided a sound insulation to fall tufted engineering blanket and its preparation method of making an uproar, through the arrangement of the functional layer, can reflect the sound wave effectively, prevent the sound wave from passing the bottom layer to reach the outside of the carpet directly, join surface course and bottom layer, the fibrous plate of the bottom layer makes this engineering blanket have good sound insulation effects, the cavity pocket in the fibrous plate can increase the sound absorption rate of the sound wave in the sound absorption layer, further weaken the sound wave, thus absorb sound, moreover, the engineering blanket of the invention includes the overall thickness after the fine hair is only 5.5-6.2cm, compare with prior art, the invention has reduced the carpet volume apparently, has reduced the production cost; meanwhile, the flame retardant also has good flame retardance and mildew-proof antibacterial property.

Description

Sound-insulation noise-reduction tufting engineering blanket and preparation method thereof
Technical Field
The invention relates to the technical field of carpets, in particular to a sound-insulation noise-reduction tufted engineering carpet and a preparation method thereof.
Background
The carpet is a ground laying object made of natural fibers or chemical synthetic fibers such as cotton, hemp, wool, silk and grass yarn through manual or mechanical knitting, tufting or weaving. It is one of the traditional arts with a long history worldwide. The floor covering is covered on the ground of houses, hotels, entertainment venues, gymnasiums, vehicles, ships, airplanes and the like, and has the effects of reducing noise, insulating heat, improving foot feel with decorative effect, preventing slipping and preventing air pollution. Particularly, in a quieter space such as a teacher, a library, a piano room, a conference room, a studio and the like, the carpet is required to have excellent noise reduction performance.
In the prior art, in order to improve the noise reduction effect of the carpet, the most methods are to increase the heights of the bottom pad and the pile height, namely to increase the thickness of the carpet, so that the sound insulation and absorption effect of the carpet can be obviously improved, but compared with the carpet with the common sound insulation effect, the carpet can be generally thicker by 2-4cm and reach 6-9cm, so that the overall volume of the carpet is increased and is heavy, and if the carpet is made of wool, the sound insulation effect is more excellent, but the manufacturing cost is greatly increased.
Disclosure of Invention
In order to overcome the problems, the invention provides a tufted engineering carpet with strong sound insulation and noise reduction capabilities and low cost and a preparation method thereof.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a sound-insulation noise-reduction tufting engineering blanket comprises a surface layer and a bottom layer, wherein a functional layer is arranged between the surface layer and the bottom layer; the functional layer is prepared from the following raw materials in parts by weight: 800-1200 parts of non-woven fabric, 40-80 parts of ceramsite, 5-10 parts of nano carbon, 80-170 parts of coal gangue, 5-10 parts of EVA emulsion with the content of 10-12%, 1-5 parts of antioxidant, 1-5 parts of alkyl ketene dimer, 40-80 parts of nano vermiculite, 10-15 parts of aluminum hydroxide, 1-5 parts of diisobutyl phthalate, 1-5 parts of tribasic lead sulfate and 50-200 parts of isotactic polypropylene.
Specifically, waterproof bonding layer is all attached to the reverse side on top layer and the front of bottom, respective total thickness is 1.5cm behind the attached waterproof bonding layer of top layer and bottom, the thickness of functional layer is 2 cm.
Specifically, the front surface of the surface layer is provided with a tufting layer, and the height of the tufting layer is 5-12 mm; the provision of the tufted layer can significantly improve the feel of the carpet in use.
Specifically, the bottom layer comprises a fiberboard; the fiber board is used as a bottom layer, so that the ground gripping capability of the engineering blanket can be increased, and the displacement of the engineering blanket is prevented; in addition, the fiber board can further improve the noise reduction capability through the sound absorption effect.
A preparation method of a sound-insulation noise-reduction tufted engineering carpet comprises the following steps:
1) preparing a functional layer, namely taking non-woven fabric as a main material, mixing ceramsite, nanocarbon, coal gangue, 10-12% of EVA emulsion, an antioxidant, alkyl ketene dimer, nano vermiculite, aluminum hydroxide, diisobutyl phthalate, tribasic lead sulfate and isotactic polypropylene as auxiliary materials, and coating the mixture on the front surface and the back surface of the non-woven fabric to obtain the functional layer;
2) attaching waterproof bonding layers to the back side of the surface layer and the front side of the bottom layer, and then respectively attaching the front side and the back side of the functional layer to the waterproof bonding layers on the surface layer and the bottom layer;
3) feeding the functional layer attached to the surface layer and the bottom layer into a dryer for drying; setting the parameters of a dryer at 20-30 ℃ and drying for 30min to obtain the engineering blanket base cloth;
3) sending the dried engineering blanket base cloth into a hot press, and carrying out hot-pressing, bonding and shaping by using a hot-pressing roller to obtain an engineering blanket;
4) forming a tufted carpet surface on the surface layer of the base fabric of the engineering carpet by using cut pile and/or needling of the shaped engineering carpet through a needle arranging machine; obtaining the tufted engineering carpet.
Specifically, in step 1), the method for preparing the functional layer includes the following steps:
A1. respectively drying the ceramsite and the coal gangue according to the formula ratio to remove water, wherein the drying temperature is 110-120 ℃, the drying time is 2-3h, mixing, crushing in a crusher, sieving with a 10-20 mesh sieve, ball-milling, drying, grinding into powder, sieving with a 200-250 mesh sieve to obtain mixed powder, controlling the content of SiO2, MgO and Al2O3 in the mixed powder, then putting the mixed powder into 5-30% ethanol solution, stirring, carrying out microwave hydrothermal reaction, centrifuging, washing and drying the obtained precipitate to obtain mixed particles.
A2. Adding nano vermiculite and mixed particles into a high-speed mixer according to the formula ratio, stirring and mixing at the temperature of 170-210 ℃ at the speed of 1200-1800rpm for 1-5min, adding alkyl ketene dimer and oxidant, continuously blending for 5-8min to obtain a first mixture, and cooling the materials to normal temperature for later use;
A3. adding 10-12% of EVA emulsion, diisobutyl phthalate and tribasic lead sulfate into a mixing machine according to the formula ratio for primary mixing for 10-15min, then carrying out ultrasonic treatment for 40-50min to disperse the materials in the emulsion, then adding nano carbon, aluminum hydroxide and isotactic polypropylene, stirring at the speed of 2000-2500rpm at the temperature of 150-210 ℃ for 1-3min to obtain a second mixture, and cooling the materials to normal temperature for later use;
A4. mixing the first mixture and the second mixture, fully and uniformly stirring, and then putting the mixture into a double-screw extruder to melt, extrude and granulate at the temperature of 180-190 ℃ to obtain master batches;
A5. b, putting the master batch prepared in the step A4 into a screw extruder to be melted at the temperature of 150-180 ℃, spraying the melt through a spinneret orifice of a melt-blowing die head at the temperature of 260-320 ℃, and drawing under the action of high-speed hot air flow at the temperature of 250-280 ℃;
A6. and B, feeding the drawn wires obtained in the step A5 into a wire drawing device for overlapping and forming a net to form a functional layer with the thickness of 2 cm.
More specifically, in step a1, the contents of SiO2, MgO, and Al2O3 in the mixed microparticles are respectively: 20% -35%, 0.50% -2.30% and 40% -55%.
Specifically, in the step 2), the bottom layer is made of a fiber board, and the fiber board is soaked in a flame retardant liquid and an antibacterial functional liquid; through the arrangement, the mildew-proof antibacterial performance and the flame retardance of the carpet can be improved, and the service life of the engineering carpet is prolonged.
The technical scheme has the advantages that:
the invention has provided a sound insulation to fall tufted engineering blanket and its preparation method of making an uproar, through the arrangement of the functional layer, can reflect the sound wave effectively, prevent the sound wave from passing the bottom layer to reach the outside of the carpet directly, join surface course and bottom layer, the fibrous plate of the bottom layer makes this engineering blanket have good sound insulation effects, the cavity pocket in the fibrous plate can increase the sound absorption rate of the sound wave in the sound absorption layer, further weaken the sound wave, thus absorb sound, moreover, the engineering blanket of the invention includes the overall thickness after the fine hair is only 5.5-6.2cm, compare with prior art, the invention has reduced the carpet volume apparently, has reduced the production cost; meanwhile, the flame retardant also has good flame retardance and mildew-proof antibacterial property.
The technical solutions of the present invention will be described clearly and completely with reference to the following detailed description, and it should be understood that the described embodiments are a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Detailed Description
Example 1
A sound-insulation noise-reduction tufting engineering blanket comprises a surface layer and a bottom layer, wherein a functional layer is arranged between the surface layer and the bottom layer; the functional layer is prepared from the following raw materials in parts by weight: 900 parts of non-woven fabric, 40 parts of ceramsite, 5-10 parts of nano carbon, 130 parts of coal gangue, 5-10 parts of EVA emulsion with the content of 10-12%, 1-5 parts of antioxidant, 1-5 parts of alkyl ketene dimer, 40 parts of nano vermiculite, 10-15 parts of aluminum hydroxide, 1-5 parts of diisobutyl phthalate, 1-5 parts of tribasic lead sulfate and 50-200 parts of isotactic polypropylene.
Specifically, waterproof bonding layer is all attached to the reverse side on top layer and the front of bottom, respective total thickness is 1.5cm behind the attached waterproof bonding layer of top layer and bottom, the thickness of functional layer is 2 cm.
Specifically, the front surface of the surface layer is provided with a tufting layer, and the height of the tufting layer is 5-12 mm; the provision of the tufted layer can significantly improve the feel of the carpet in use.
Specifically, the bottom layer comprises a fiberboard; the fiber board is used as a bottom layer, so that the ground gripping capability of the engineering blanket can be increased, and the displacement of the engineering blanket is prevented; in addition, the fiber board can further improve the noise reduction capability through the sound absorption effect.
More specifically, the fiber board is a fiber board with a plurality of tiny cavities inside.
A preparation method of a sound-insulation noise-reduction tufted engineering carpet comprises the following steps:
1) preparing a functional layer, namely taking non-woven fabric as a main material, mixing ceramsite, nanocarbon, coal gangue, 10-12% of EVA emulsion, an antioxidant, alkyl ketene dimer, nano vermiculite, aluminum hydroxide, diisobutyl phthalate, tribasic lead sulfate and isotactic polypropylene as auxiliary materials, and coating the mixture on the front surface and the back surface of the non-woven fabric to obtain the functional layer;
2) attaching waterproof bonding layers to the back side of the surface layer and the front side of the bottom layer, and then respectively attaching the front side and the back side of the functional layer to the waterproof bonding layers on the surface layer and the bottom layer;
3) feeding the functional layer attached to the surface layer and the bottom layer into a dryer for drying; setting the parameters of a dryer at 20-30 ℃ and drying for 30min to obtain the engineering blanket base cloth;
3) sending the dried engineering blanket base cloth into a hot press, and carrying out hot-pressing, bonding and shaping by using a hot-pressing roller to obtain an engineering blanket;
4) forming a tufted carpet surface on the surface layer of the base fabric of the engineering carpet by using cut pile and/or needling of the shaped engineering carpet through a needle arranging machine; obtaining the tufted engineering carpet.
Specifically, in step 1), the method for preparing the functional layer includes the following steps:
A1. respectively drying the ceramsite and the coal gangue according to the formula ratio to remove water, wherein the drying temperature is 110-120 ℃, the drying time is 2-3h, mixing, crushing in a crusher, sieving with a 10-20 mesh sieve, ball-milling, drying, grinding into powder, sieving with a 200-250 mesh sieve to obtain mixed powder, controlling the content of SiO2, MgO and Al2O3 in the mixed powder, then putting the mixed powder into 5-30% ethanol solution, stirring, carrying out microwave hydrothermal reaction, centrifuging, washing and drying the obtained precipitate to obtain mixed particles.
A2. Adding nano vermiculite and mixed particles into a high-speed mixer according to the formula ratio, stirring and mixing at the temperature of 170-210 ℃ at the speed of 1200-1800rpm for 1-5min, adding alkyl ketene dimer and oxidant, continuously blending for 5-8min to obtain a first mixture, and cooling the materials to normal temperature for later use;
A3. adding 10-12% of EVA emulsion, diisobutyl phthalate and tribasic lead sulfate into a mixing machine according to the formula ratio for primary mixing for 10-15min, then carrying out ultrasonic treatment for 40-50min to disperse the materials in the emulsion, then adding nano carbon, aluminum hydroxide and isotactic polypropylene, stirring at the speed of 2000-2500rpm at the temperature of 150-210 ℃ for 1-3min to obtain a second mixture, and cooling the materials to normal temperature for later use;
A4. mixing the first mixture and the second mixture, fully and uniformly stirring, and then putting the mixture into a double-screw extruder to melt, extrude and granulate at the temperature of 180-190 ℃ to obtain master batches;
A5. b, putting the master batch prepared in the step A4 into a screw extruder to be melted at 168 ℃, spraying the melt through a spinneret orifice of a melt-blowing die head at the temperature of 260-320 ℃, and drawing under the action of high-speed hot air flow at 292 ℃;
A6. and B, feeding the drawn wires obtained in the step A5 into a wire drawing device for overlapping and forming a net to form a functional layer with the thickness of 2 cm.
More specifically, in step a1, the contents of SiO2, MgO, and Al2O3 in the mixed microparticles are respectively: 20% -35%, 0.50% -2.30% and 40% -55%.
Specifically, in the step 2), the bottom layer is made of a fiber board, and the fiber board is soaked in a flame retardant liquid and an antibacterial functional liquid; through the arrangement, the mildew-proof antibacterial performance and the flame retardance of the carpet can be improved, and the service life of the engineering carpet is prolonged.
Example 2
The sound-insulation noise-reduction tufted engineering carpet and the preparation method thereof as described in the embodiment 1, wherein part of the process can also adopt the following scheme:
800 parts of non-woven fabric, 75 parts of ceramsite, 5-10 parts of nano carbon, 80 parts of coal gangue, 5-10 parts of EVA emulsion with the content of 10-12%, 1-5 parts of antioxidant, 1-5 parts of alkyl ketene dimer, 80 parts of nano vermiculite, 10-15 parts of aluminum hydroxide, 1-5 parts of diisobutyl phthalate, 1-5 parts of tribasic lead sulfate and 50-200 parts of isotactic polypropylene.
In step A5, the melting temperature is 158 ℃ and the melt temperature is 308 ℃.
Example 3
The sound-insulation noise-reduction tufted engineering carpet and the preparation method thereof as described in the embodiment 1, wherein part of the process can also adopt the following scheme:
the functional layer is prepared from the following raw materials in parts by weight: 1000 parts of non-woven fabric, 70 parts of ceramsite, 5-10 parts of nano carbon, 150 parts of coal gangue, 5-10 parts of EVA emulsion with the content of 10-12%, 1-5 parts of antioxidant, 1-5 parts of alkyl ketene dimer, 70 parts of nano vermiculite, 10-15 parts of aluminum hydroxide, 1-5 parts of diisobutyl phthalate, 1-5 parts of tribasic lead sulfate and 50-200 parts of isotactic polypropylene.
In step A5, the melting temperature is 150 ℃ and the melt temperature is 320 ℃.
Example 4
The sound-insulation noise-reduction tufted engineering carpet and the preparation method thereof as described in the embodiment 1, wherein part of the process can also adopt the following scheme:
the functional layer is prepared from the following raw materials in parts by weight: 1200 parts of non-woven fabric, 80 parts of ceramsite, 5-10 parts of nano carbon, 170 parts of coal gangue, 5-10 parts of EVA emulsion with the content of 10-12%, 1-5 parts of antioxidant, 1-5 parts of alkyl ketene dimer, 60 parts of nano vermiculite, 10-15 parts of aluminum hydroxide, 1-5 parts of diisobutyl phthalate, 1-5 parts of tribasic lead sulfate and 50-200 parts of isotactic polypropylene.
In step A5, the melting temperature is 180 ℃ and the melt temperature is 260 ℃.
Performance test:
and (3) testing items: noise reduction performance (including sound absorption and noise reduction), combustion performance, antibacterial property, peel strength, and abrasion resistance.
Sample preparation: the tufted engineered carpets made according to examples 1-4 of the present invention (examples 1-4) and the tufted engineered carpet having a conventional thickness of 7cm (comparative example).
The test results are shown in the following table:
Figure 389095DEST_PATH_IMAGE002
note: the above test data are the average values of 5 samples tested for each product.

Claims (9)

1. A sound-insulation noise-reduction tufting engineering carpet comprises a surface layer and a bottom layer, and is characterized in that: a functional layer is arranged between the surface layer and the bottom layer; the functional layer is prepared from the following raw materials in parts by weight: 800-1200 parts of non-woven fabric, 40-80 parts of ceramsite, 5-10 parts of nano carbon, 80-170 parts of coal gangue, 5-10 parts of EVA emulsion with the content of 10-12%, 1-5 parts of antioxidant, 1-5 parts of alkyl ketene dimer, 40-80 parts of nano vermiculite, 10-15 parts of aluminum hydroxide, 1-5 parts of diisobutyl phthalate, 1-5 parts of tribasic lead sulfate and 50-200 parts of isotactic polypropylene.
2. A sound-insulating noise-reducing tufted engineered carpet as claimed in claim 1, wherein: the reverse side on top layer and the front of bottom all attach waterproof bonding layer, the respective total thickness of top layer and the attached waterproof bonding layer of bottom is 1.5cm, the thickness of functional layer is 2 cm.
3. A sound-insulating noise-reducing tufted engineered carpet as claimed in claim 1, wherein: the front surface of the surface layer is provided with a tufting layer, and the height of the tufting layer is 5-12 mm.
4. A sound-insulating noise-reducing tufted engineered carpet as claimed in claim 1, wherein: the bottom layer comprises a fiberboard.
5. A method for preparing a sound insulation and noise reduction tufted engineering carpet as claimed in any one of claims 1 to 5, comprising the steps of:
1) preparing a functional layer, namely taking non-woven fabric as a main material, mixing ceramsite, nanocarbon, coal gangue, 10-12% of EVA emulsion, an antioxidant, alkyl ketene dimer, nano vermiculite, aluminum hydroxide, diisobutyl phthalate, tribasic lead sulfate and isotactic polypropylene as auxiliary materials, and coating the mixture on the front surface and the back surface of the non-woven fabric to obtain the functional layer;
2) attaching waterproof bonding layers to the back side of the surface layer and the front side of the bottom layer, and then respectively attaching the front side and the back side of the functional layer to the waterproof bonding layers on the surface layer and the bottom layer;
3) feeding the functional layer attached to the surface layer and the bottom layer into a dryer for drying; setting the parameters of a dryer at 20-30 ℃ and drying for 30min to obtain the engineering blanket base cloth;
3) sending the dried engineering blanket base cloth into a hot press, and carrying out hot-pressing, bonding and shaping by using a hot-pressing roller to obtain an engineering blanket;
4) forming a tufted carpet surface on the surface layer of the base fabric of the engineering carpet by using cut pile and/or needling of the shaped engineering carpet through a needle arranging machine; obtaining the tufted engineering carpet.
6. A method for preparing a sound insulation and noise reduction tufted engineering carpet as claimed in claim 5, wherein in the step 1), the method for preparing the functional layer comprises the following steps:
A1. respectively drying the ceramsite and the coal gangue according to the formula ratio to remove water, wherein the drying temperature is 110-120 ℃, the drying time is 2-3h, mixing, crushing in a crusher, sieving with a 10-20 mesh sieve, ball-milling, drying, grinding into powder, sieving with a 200-250 mesh sieve to obtain mixed powder, controlling the content of SiO2, MgO and Al2O3 in the mixed powder, then putting the mixed powder into 5-30% ethanol solution, stirring, carrying out microwave hydrothermal reaction, centrifuging, washing and drying the obtained precipitate to obtain mixed particles.
A2, adding nano vermiculite and mixed particles into a high-speed mixer according to the formula ratio, stirring and mixing at the temperature of 170-210 ℃ at the speed of 1200-1800rpm for 1-5min, adding alkyl ketene dimer and oxidant, continuously blending for 5-8min to obtain a first mixture, and cooling the materials to normal temperature for later use;
A3. adding 10-12% of EVA emulsion, diisobutyl phthalate and tribasic lead sulfate into a mixing machine according to the formula ratio for primary mixing for 10-15min, then carrying out ultrasonic treatment for 40-50min to disperse the materials in the emulsion, then adding nano carbon, aluminum hydroxide and isotactic polypropylene, stirring at the speed of 2000-2500rpm at the temperature of 150-210 ℃ for 1-3min to obtain a second mixture, and cooling the materials to normal temperature for later use;
A4. mixing the first mixture and the second mixture, fully and uniformly stirring, and then putting the mixture into a double-screw extruder to melt, extrude and granulate at the temperature of 180-190 ℃ to obtain master batches;
A5. b, putting the master batch prepared in the step A4 into a screw extruder to be melted at the temperature of 150-180 ℃, spraying the melt through a spinneret orifice of a melt-blowing die head at the temperature of 260-320 ℃, and drawing under the action of high-speed hot air flow at the temperature of 250-280 ℃;
A6. and B, feeding the drawn wires obtained in the step A5 into a wire drawing device for overlapping and forming a net to form a functional layer with the thickness of 2 cm.
8. A method for preparing sound-insulating noise-reducing tufted engineering carpet as claimed in claim 7, wherein in step a1, the contents of SiO2, MgO and Al2O3 in the mixed particles are respectively: 20% -35%, 0.50% -2.30% and 40% -55%.
9. A method for preparing a sound insulation and noise reduction tufted engineering carpet as claimed in claim 5, wherein in the step 2), the bottom layer is made of a fiber board, and the fiber board is subjected to soaking treatment by using flame retardant liquid and antibacterial functional liquid.
CN202010535736.4A 2020-06-12 2020-06-12 Sound-insulation noise-reduction tufting engineering blanket and preparation method thereof Pending CN111703136A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1665703A (en) * 2002-07-01 2005-09-07 卡库斯蒂克斯技术中心股份有限公司 Soundproofing floor covering and method for the production thereof
CN105133343A (en) * 2015-09-17 2015-12-09 芜湖跃飞新型吸音材料股份有限公司 Nano-zinc oxide-polyurethane emulsion-coated polypropylene-based non-woven sound absorbing material for automotive trim

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1665703A (en) * 2002-07-01 2005-09-07 卡库斯蒂克斯技术中心股份有限公司 Soundproofing floor covering and method for the production thereof
CN105133343A (en) * 2015-09-17 2015-12-09 芜湖跃飞新型吸音材料股份有限公司 Nano-zinc oxide-polyurethane emulsion-coated polypropylene-based non-woven sound absorbing material for automotive trim

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Application publication date: 20200925