CN115429088B - High-sound-absorption polyurethane composite carpet for trunk and processing technology thereof - Google Patents

High-sound-absorption polyurethane composite carpet for trunk and processing technology thereof Download PDF

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Publication number
CN115429088B
CN115429088B CN202211234604.3A CN202211234604A CN115429088B CN 115429088 B CN115429088 B CN 115429088B CN 202211234604 A CN202211234604 A CN 202211234604A CN 115429088 B CN115429088 B CN 115429088B
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antibacterial
polyurethane
polyurethane foam
sound absorption
high sound
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CN115429088A (en
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刘希浪
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Changshu New Changtai Automobile Interior Technology Co ltd
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Changshu New Changtai Automobile Interior Technology Co ltd
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G27/00—Floor fabrics; Fastenings therefor
    • A47G27/02—Carpets; Stair runners; Bedside rugs; Foot mats
    • 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
    • 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
    • B32B5/18—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 features of a layer of foamed material
    • 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
    • B32B5/245—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 being a foam 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
    • 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
    • B32B5/32—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 at least two layers being foamed and next to each other
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    • 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
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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    • C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
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    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
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    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
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    • C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
    • C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
    • C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • C08J9/143—Halogen containing compounds
    • C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
    • C08J9/145—Halogen containing compounds containing carbon, halogen and hydrogen only only chlorine as halogen atoms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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    • C08J9/42—Impregnation with macromolecular compounds
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
    • D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
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Abstract

The invention discloses a high sound absorption polyurethane trunk composite carpet and a processing technology thereof, wherein degradable polylactic acid dihydric alcohol and bio-based polyhydric alcohol are adopted to replace polyether polyhydric alcohol, and the high sound absorption polyurethane foam is prepared by a one-step method; grafting methyltrichlorosilane to self-made high sound absorption polyurethane foam under ultraviolet irradiation, performing hydrophobic modification to generate polychlorinated silane with a micron-sized coarse structure, and attaching the polychlorinated silane to the surface of a foam skeleton to prepare a waterproof layer; preparing an antibacterial layer by grafting modification of the green bio-based high sound absorption polyurethane foam in an antibacterial impregnating solution; modifying basalt flakes by using a flexible aza ring ligand and 1, 4-phthalic acid as organic ligands; after chitosan is introduced, the antibacterial performance of the composite carpet is improved by being cooperated with basalt flakes and a two-dimensional coordination polymer; the waterproof layer, the antibacterial layer and the woollen blanket are bonded through the polyurethane adhesive, so that the polyurethane trunk composite carpet with high sound absorption, high antibacterial and high waterproof performance is obtained.

Description

High-sound-absorption polyurethane composite carpet for trunk and processing technology thereof
Technical Field
The invention relates to the field of carpets, in particular to a high sound absorption polyurethane trunk composite carpet and a processing technology thereof.
Background
Along with the development of modern industry, noise pollution increasingly affects the physical and mental health and the quality of life of people. Noise control is therefore a major concern in modern society. Trunk carpet of automobile is the main part in the trunk cabin of automobile, and plays roles of heat insulation, sound insulation and the like while supporting and placing articles.
Because of the limitation of the automobile manufacturing process, in order to prevent the assembly of other components from being influenced, the thickness of the trunk carpet is limited to a certain extent, but the sound absorption and insulation effects of the trunk carpet in the existing market are mostly related to the thickness of the trunk carpet, and the sound absorption effects are not ideal on the premise that the thickness cannot be increased.
The porous structure of polyurethane foam can effectively reduce sound reflection, improve acoustic environment and become more and more a focus of noise control. However, most polyurethane foam materials are still prepared by synthesis from petroleum-based raw materials, and do not conform well to the current low-carbon green concept.
Disclosure of Invention
The invention aims to provide a high sound absorption polyurethane composite carpet for a trunk and a processing technology thereof, which are used for solving the problems in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme:
the polyurethane composite carpet for the trunk with high sound absorption is obtained by sequentially bonding a waterproof layer, an antibacterial layer and a woollen blanket by using a polyurethane adhesive; grafting methyltrichlorosilane on the polyurethane foam under ultraviolet irradiation to obtain a waterproof layer; the polyurethane foam is immersed in the antibacterial immersion liquid to obtain an antibacterial layer; the antibacterial impregnating solution is prepared from modified basalt flakes and chitosan.
Further, the polyurethane foam comprises the following components in parts by weight: 140-148 parts of polyalcohol, 100 parts of isophorone diisocyanate, 3.5-7 parts of catalyst, 6-8 parts of liquid paraffin, 7-9 parts of simethicone and 5.5-9.7 parts of foaming agent.
Further, the polyol is prepared by compounding polylactic acid dihydric alcohol and bio-based polyhydric alcohol, and the mass ratio of the polylactic acid dihydric alcohol to the bio-based polyhydric alcohol is 1:3.
The invention adopts polylactic acid dihydric alcohol and bio-based polyol to replace polyether polyol to prepare green bio-based high sound absorption polyurethane foam, and utilizes the green bio-based high sound absorption polyurethane foam to graft methyltrichlorosilane after ultraviolet irradiation to prepare a waterproof layer by further hydrophobic modification; the antibacterial layer is prepared by grafting modification of the green bio-based high sound absorption polyurethane foam in the antibacterial impregnating solution and antibacterial sound absorption modification; the waterproof layer, the antibacterial layer and the woollen blanket are bonded through polyurethane adhesive to obtain the green bio-based polyurethane trunk composite carpet with high sound absorption, high antibacterial performance and high waterproof performance.
Further, the preparation of the polylactic acid dihydric alcohol comprises the following steps: heating the L-lactide to clear the solution, dehydrating in vacuum for 0.5h, adding 1, 4-butanediol and stannous octoate under the protection of nitrogen, heating to 140 ℃ for reaction for 8h, removing the light component in vacuum for 1h, pouring out the light component while the light component is hot, and cooling to obtain the polylactic acid dihydric alcohol.
Further, the preparation of the bio-based polyol comprises the steps of: heating the crude glycerol and stannous octoate to 240 ℃ for reaction for 7 hours to obtain the bio-based polyol.
Further, the preparation of the polyurethane foam comprises the following steps: mixing polyol, catalyst, liquid paraffin, dimethyl silicone oil and foaming agent, stirring by ultrasonic, adding isophorone diisocyanate, stirring, pouring into a mould for free foaming, solidifying for 72h at 18-25 ℃, taking out from the mould, cleaning by ultrasonic by using ethanol and deionized water in sequence, and drying to obtain the polyurethane foam.
Further, the catalyst is prepared by compounding triethanolamine, stannous octoate and dibutyl tin dilaurate, wherein the mass ratio of the triethanolamine to the stannous octoate to the dibutyl tin dilaurate is 3:2:2.
Further, the foaming agent is prepared by compounding deionized water, sodium dodecyl sulfate and methylene dichloride, wherein the mass ratio of the deionized water to the sodium dodecyl sulfate to the methylene dichloride is (2-4) (0.5-0.7) (3-5).
Further, the processing technology of the high sound absorption polyurethane trunk composite carpet comprises the following steps:
s1: preparing polyurethane foam;
s2: preparing a waterproof layer: placing the polyurethane foam prepared in the step S1 into methyl trichlorosilane liquid, soaking for 25-30min under the irradiation of an ultraviolet lamp, taking out and drying to obtain a waterproof layer;
s3: preparing an antibacterial impregnating solution: stirring modified basalt flakes, chitosan and deionized water to obtain an antibacterial impregnating solution;
s4: preparing an antibacterial layer: soaking the polyurethane foam prepared in the step S1 in the antibacterial impregnating solution prepared in the step S3 for 10-12h, and drying to obtain an antibacterial layer;
s5: soaking wool fibers in the antibacterial impregnating solution prepared in the step S3 for 10-12 hours, drying and weaving to obtain a woolen blanket;
s6: and (3) sequentially bonding the waterproof layer, the antibacterial layer and the woollen blanket by using a polyurethane adhesive to obtain the high sound absorption polyurethane composite carpet for the trunk.
Further, the wavelength of the ultraviolet lamp is 340-350nm, and the ultraviolet irradiation time is 25-30min.
Further, the methyltrichlorosilane solution is a methyltrichlorosilane/n-hexane solution with a volume fraction of 1%.
Further, the polyurethane adhesive is a polyurethane adhesive of Huabang chemical industry Co., ltd.
Further, the preparation of the antibacterial impregnating solution comprises the following steps: mixing zinc nitrate hexahydrate, 5- (4- (1H-1, 2, 4-triazole-1-yl) benzyl) -1H-tetrazole, 1, 4-phthalic acid, deionized water and acetonitrile, stirring for 10-15min at 18-25 ℃, transferring to a reaction kettle, reacting for 115-120H at 115-120 ℃, cooling to 18-25 ℃, adding basalt flakes, mixing and stirring to obtain modified basalt flakes; mixing the modified basalt flakes, chitosan and deionized water, and stirring for 10-20min at 20-30 ℃ to obtain the antibacterial impregnating solution.
Further, the size of basalt flakes is 600-800nm.
When sound waves are transmitted into the composite carpet of the high sound absorption polyurethane trunk, the air molecules in the composite carpet vibrate, but the sound wave energy is weakened by the viscous effect due to the abundant pore structure and the complex molecular network structure of the polyurethane foam; secondly, the porous structure of sound waves in the polyurethane foam generates multiple internal reflections, so that the skeleton structure in the high-sound-absorption polyurethane luggage composite carpet can resonate, and energy conversion is realized through damping loss of the high-sound-absorption polyurethane luggage composite carpet; the sound waves can convert sound energy into heat energy through the friction action of air and pore structures in polyurethane foam, so that the sound absorption performance is improved;
the contents of water and physical foaming agents are limited when the high sound-absorbing polyurethane foam is prepared, so that the density of the polyurethane foam is improved, the resonance effect of the polyurethane foam on sound waves is weakened, and the friction effect of vibrating air molecules and the pore walls in the polyurethane foam enables sound energy to be converted into heat energy to be dissipated, and the sound-absorbing property of the composite carpet is greatly improved; meanwhile, along with the limitation of the material proportion in the composite carpet, the density of the composite carpet is enhanced, and meanwhile, the specific pore volume is reduced, so that an acoustic wave transmission channel is more complex, the tortuosity in acoustic wave transmission is increased, the penetration of acoustic waves is blocked, and the sound absorption performance is improved.
The invention has the beneficial effects that:
the invention provides a high sound absorption polyurethane composite carpet for a trunk and a processing technology thereof.
The degradable polylactic acid dihydric alcohol and the bio-based polyhydric alcohol are selected as polyhydric alcohols, isophorone diisocyanate and polyhydric alcohol are used as raw materials through a one-step method, the content of water and a physical foaming agent is limited, and the high sound absorption polyurethane foam is prepared by synergetic foaming; isocyanate reacts with hydroxyl in polyol to generate carbamate, a complex network structure is provided, and the glass transition temperature of the high sound absorption polyurethane foam is increased by limiting the composition proportion of the polyol, so that the thermal stability of the high sound absorption polyurethane foam is greatly improved, and the compression strength of the polyurethane foam is improved.
The surface of the common polyurethane foam generally contains a large number of polar bonds, so that the water can be absorbed while the oil is absorbed, and the waterproof performance is poor; according to the invention, the self-made high sound absorption polyurethane foam is grafted with methyltrichlorosilane under ultraviolet irradiation to carry out hydrophobic modification; the methyl trichlorosilane can generate hydrolysis and polycondensation reaction in normal hexane solution, and the generated polychlorosilane with micron-sized coarse structure is attached to the surface of the foam skeleton; the presence of the low surface energy polychlorosilane increases the hydrophobic properties of the foam, making the water contact angle of the polyurethane foam greater.
Basalt flake is a novel green and environment-friendly flake material derived from basalt fibers, and the main component of the basalt flake material is SiO 2 And Al 2 O 3 The composite material has excellent mechanical property, thermal stability, chemical stability, sound absorption property and electrical insulation property; after basalt flakes are introduced into a self-made network of high-sound-absorption polyurethane foam, the basalt flakes are filled in the polyurethane foam, so that the mutual hydrogen bonding is reduced, network pores are increased, the air permeability of the polyurethane foam is increased, the porosity of the material is increased, and the sound absorption and heat insulation performance is improved;
but basalt flakes belong to inorganic materials, have strong surface chemical property inertia, are difficult to generate chemical combination between flakes and polyurethane foam, and can reduce the tensile strength and the compressive strength of the polyurethane foam when being added independently;
modifying basalt scales by using an organic ligand, improving the binding force between scales and polyurethane foam, solving the problem that the tensile strength and the compression strength of the polyurethane foam can be reduced by independently adding the basalt scales, and obtaining a two-dimensional coordination polymer with higher water stability and chemical stability by using a flexible aza ring ligand and 1, 4-phthalic acid as auxiliary ligands, improving the binding force between basalt scales and polyurethane foam, and improving the tensile strength of an antibacterial layer; after chitosan is introduced, the antibacterial performance of the composite carpet is improved by cooperating with basalt flakes and a two-dimensional coordination polymer, the tortuosity in sound wave propagation is increased, and the sound absorption performance is improved by cooperating.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a graph of the antibacterial activity of the test sample according to the example of the present invention, i.e., the antibacterial activity against Escherichia coli versus Staphylococcus aureus;
FIG. 2 is a graph of noise reduction coefficients for a comparative example test sample, in accordance with an embodiment of the present invention;
FIG. 3 is a graph showing contact angles of a waterproof layer of a test sample of comparative example, according to an embodiment of the present invention;
FIG. 4 is a graph of compressive strength of a comparative test sample, in accordance with an embodiment of the present invention;
FIG. 5 is a graph of the E.coli and Staphylococcus aureus antibacterial rate of test samples of examples and comparative examples of the present invention, i.e., by performing 30 standard washes on the composite carpet.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In addition, if a directional instruction such as up, down, left, right, front, and rear … … is included in the embodiment of the present invention, the directional instruction is merely used to explain a relative positional relationship, a movement condition, and the like between each member in a specific posture, and if the specific posture is changed, the directional instruction is changed accordingly. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The following description of the embodiments of the present invention will be presented in further detail with reference to the examples, which should be understood as being merely illustrative of the present invention and not limiting.
Example 1
A processing technology of a high sound absorption polyurethane trunk composite carpet comprises the following steps:
s1: preparing polyurethane foam;
the preparation of the polyurethane foam comprises the following steps: mixing 140g of polyol (35 g of polylactic acid dihydric alcohol, 105g of bio-based polyol), 1g of catalyst (triethanolamine, 1g of stannous octoate, 1g of dibutyltin dilaurate), 6g of liquid paraffin, 7g of dimethyl silicone oil and 3g of foaming agent (deionized water 2g, 0.5g of sodium dodecyl sulfate and dichloromethane), stirring ultrasonically, adding 100g of isophorone diisocyanate, stirring, pouring into a mould for free foaming, curing for 72h at 18 ℃ after finishing, taking out from the mould, cleaning ultrasonically by sequentially using ethanol and deionized water, and drying to obtain polyurethane foam;
the preparation of the bio-based polyol comprises the following steps: 2g of crude glycerol and 0.5g of stannous octoate are heated to 240 ℃ for reaction for 7 hours to obtain bio-based polyol;
the preparation of the polylactic acid dihydric alcohol comprises the following steps: heating 4 mLL-lactide to clear the solution, dehydrating in vacuum for 0.5h, adding 2mL of 1, 4-butanediol and 0.2g of stannous octoate under the protection of nitrogen, heating to 140 ℃ for reacting for 8h, removing the light component in vacuum for 1h, pouring out the hot component, and cooling to obtain polylactic acid dihydric alcohol;
s2: preparing a waterproof layer: soaking the polyurethane foam prepared in the step S1 in 20mL of methyl trichlorosilane/normal hexane solution with the volume fraction of 1%, irradiating for 25min under an ultraviolet lamp with the wavelength of 340nm, taking out and drying to obtain a waterproof layer;
s3: preparing an antibacterial impregnating solution;
the preparation of the antibacterial impregnating solution comprises the following steps: mixing 0.20mmol of zinc nitrate hexahydrate, 22.7mg of 5- (4- (1H-1, 2, 4-triazole-1-yl) benzyl) -1H-tetrazole, 0.10mmol of 1, 4-phthalic acid, 4.0mL of deionized water and 4.0mL of acetonitrile, stirring at 18 ℃ for 10min, transferring to a reaction kettle, reacting at 115 ℃ for 115H, cooling to 18 ℃, adding basalt flakes with the size of 600nm, mixing and stirring to obtain modified basalt flakes, adding 10mg of chitosan and 5mL of deionized water, stirring at 20 ℃ for 10min, and obtaining an antibacterial impregnating solution;
s4: preparing an antibacterial layer: ultrasonic soaking the polyurethane foam prepared in the step S1 in the antibacterial impregnating solution prepared in the step S3 for 10 hours, and drying to obtain an antibacterial layer;
s5: soaking wool fibers in the antibacterial impregnating solution prepared in the step S3 for 10 hours, drying and weaving to obtain a woolen blanket;
s6: and (3) sequentially bonding the waterproof layer, the antibacterial layer and the woollen blanket by using a polyurethane adhesive to obtain the high sound absorption polyurethane composite carpet for the trunk.
Example 2
A processing technology of a high sound absorption polyurethane trunk composite carpet comprises the following steps:
s1: preparing polyurethane foam;
the preparation of the polyurethane foam comprises the following steps: 144g of polyol (36 g of polylactic acid dihydric alcohol, 108g of bio-based polyol), 1.3g of catalyst (triethanolamine 2g, 1.3g of stannous octoate, 1.3g of dibutyltin dilaurate), 7g of liquid paraffin, 8g of dimethyl silicone oil and foaming agent (3 g of deionized water, 0.6g of sodium dodecyl sulfate and 4g of methylene dichloride) are mixed, stirred ultrasonically, 100g of isophorone diisocyanate is added for stirring, the mixture is poured into a mold for free foaming, and cured for 72h at 22 ℃ after the completion, and ethanol and deionized water are sequentially used for ultrasonic cleaning and drying after the mixture is taken out of the mold, so as to obtain polyurethane foam;
the preparation of the bio-based polyol comprises the following steps: 2g of crude glycerol and 0.5g of stannous octoate are heated to 240 ℃ for reaction for 7 hours to obtain bio-based polyol;
the preparation of the polylactic acid dihydric alcohol comprises the following steps: heating 4 mLL-lactide to clear the solution, dehydrating in vacuum for 0.5h, adding 2mL of 1, 4-butanediol and 0.2g of stannous octoate under the protection of nitrogen, heating to 140 ℃ for reacting for 8h, removing the light component in vacuum for 1h, pouring out the hot component, and cooling to obtain polylactic acid dihydric alcohol;
s2: preparing a waterproof layer: soaking the polyurethane foam prepared in the step S1 in 20mL of methyltrichlorosilane/n-hexane solution with the volume fraction of 1%, irradiating for 28min under an ultraviolet lamp with the wavelength of 345nm, taking out and drying to obtain a waterproof layer;
s3: preparing an antibacterial impregnating solution;
the preparation of the antibacterial impregnating solution comprises the following steps: mixing 0.20mmol of zinc nitrate hexahydrate, 22.7mg of flexible aza-ring ligand 5- (4- (1H-1, 2, 4-triazole-1-yl) benzyl) -1H-tetrazole, 0.10mmol of 1, 4-phthalic acid, 4.0mL of deionized water and 4.0mL of acetonitrile, stirring at 22 ℃ for 12min, transferring to a reaction kettle, reacting at 118 ℃ for 118H, cooling to 22 ℃, adding basalt flakes with the size of 700nm, mixing and stirring to obtain modified basalt flakes, adding 10mg of chitosan and 5mL of deionized water, stirring at 25 ℃ for 15min, and obtaining an antibacterial impregnating solution;
s4: preparing an antibacterial layer: ultrasonic soaking the polyurethane foam prepared in the step S1 in the antibacterial impregnating solution prepared in the step S3 for 11 hours, and drying to obtain an antibacterial layer;
s5: soaking wool fibers in the antibacterial impregnating solution prepared in the step S3 for 11 hours, drying and weaving to obtain a woolen blanket;
s6: and (3) sequentially bonding the waterproof layer, the antibacterial layer and the woollen blanket by using a polyurethane adhesive to obtain the high sound absorption polyurethane composite carpet for the trunk.
Example 3
A processing technology of a high sound absorption polyurethane trunk composite carpet comprises the following steps:
s1: preparing polyurethane foam;
the preparation of the polyurethane foam comprises the following steps: 148g of polyol (37 g of polylactic acid dihydric alcohol, 111g of bio-based polyol), catalyst (3 g of triethanolamine, 2g of stannous octoate, 2g of dibutyltin dilaurate), 8g of liquid paraffin, 9g of simethicone, and foaming agent (4 g of deionized water, 0.7g of sodium dodecyl sulfate and 5g of methylene dichloride) are mixed, stirred ultrasonically, 100g of isophorone diisocyanate is added and stirred, the mixture is poured into a mold for free foaming, the mixture is solidified for 72h at 25 ℃ after the completion, and the mixture is taken out of the mold and washed ultrasonically by ethanol and deionized water in sequence, and dried to obtain polyurethane foam;
the preparation of the bio-based polyol comprises the following steps: 2g of crude glycerol and 0.5g of stannous octoate are heated to 240 ℃ for reaction for 7 hours to obtain bio-based polyol;
the preparation of the polylactic acid dihydric alcohol comprises the following steps: heating 4 mLL-lactide to clear the solution, dehydrating in vacuum for 0.5h, adding 2mL of 1, 4-butanediol and 0.2g of stannous octoate under the protection of nitrogen, heating to 140 ℃ for reacting for 8h, removing the light component in vacuum for 1h, pouring out the hot component, and cooling to obtain polylactic acid dihydric alcohol;
s2: preparing a waterproof layer: soaking the polyurethane foam prepared in the step S1 in 20mL of methyl trichlorosilane/normal hexane solution with the volume fraction of 1%, irradiating for 30min under an ultraviolet lamp with the wavelength of 350nm, taking out and drying to obtain a waterproof layer;
s3: preparing an antibacterial impregnating solution;
the preparation of the antibacterial impregnating solution comprises the following steps: mixing 0.20mmol of zinc nitrate hexahydrate, 22.7mg of flexible aza-ring ligand 5- (4- (1H-1, 2, 4-triazole-1-yl) benzyl) -1H-tetrazole, 0.10mmol of 1, 4-phthalic acid, 4.0mL of deionized water and 4.0mL of acetonitrile, stirring at 25 ℃ for 15min, transferring to a reaction kettle, reacting at 120 ℃ for 120H, cooling to 25 ℃, adding basalt flakes with the size of 800nm, mixing and stirring to obtain modified basalt flakes, adding 10mg of chitosan and 5mL of deionized water, stirring at 30 ℃ for 20min, and obtaining an antibacterial impregnating solution;
s4: preparing an antibacterial layer: ultrasonic soaking the polyurethane foam prepared in the step S1 in the antibacterial impregnating solution prepared in the step S3 for 12 hours, and drying to obtain an antibacterial layer;
s5: soaking wool fibers in the antibacterial impregnating solution prepared in the step S3 for 12 hours, drying and weaving to obtain a woolen blanket;
s6: and (3) sequentially bonding the waterproof layer, the antibacterial layer and the woollen blanket by using a polyurethane adhesive to obtain the high sound absorption polyurethane composite carpet for the trunk.
Comparative example 1
In the control group of example 2, 144g of polylactic acid diol was added without adding bio-based polyol, and the other steps were normal.
Comparative example 2
In the control group of example 2, 144g of the bio-based polyol was added without adding polylactic acid glycol, and the other steps were normal.
Comparative example 3
In the control group of example 2, only 7.6g of deionized water was added to the foaming agent, and sodium dodecyl sulfate and methylene chloride were not added, so that the other procedures were normal.
Comparative example 4
In the control group of example 2, only 3.6g of sodium dodecyl sulfate and 4g of methylene dichloride were added to the foaming agent, and no deionized water was added, so that the other procedures were normal.
Comparative example 5
With example 2 as a control group, the modified basalt flakes were replaced with basalt flakes, and the other procedures were normal.
Comparative example 6
With example 2 as a control group, no modified basalt flakes were added, and the other procedures were normal.
Comparative example 7
With example 2 as a control group, the polyurethane foam was not placed in 20mL of a 1% volume fraction methyltrichlorosilane-n-hexane solution, and was irradiated under an ultraviolet lamp having a wavelength of 350nm for 30 minutes, and the other steps were normal.
The polyurethane adhesives used in examples 1-3 and comparative examples 1-7 were polyurethane adhesives of Huabang chemical Co., ltd.
Performance test: performance tests were performed on the composite carpets prepared in examples 1 to 3, comparative examples 1 to 7;
antibacterial properties: referring to the test of the detection method of GB/T20944.3-2008, the strain is gram positive bacteria staphylococcus aureus and gram negative bacteria escherichia coli; the bacteriostasis rates are shown in table 1 and figure 1 respectively;
antimicrobial durability: the bacteriostasis rates measured by carrying out 30 times of standard washing on the composite carpet are shown in table 2 and figure 5 respectively;
noise reduction coefficient: a four-channel digital signal acquisition system and an impedance tube with the diameter of 100mm and 30mm are adopted, measurement is carried out at 100-6000Hz, and the average value is obtained after three tests; the noise reduction coefficient is the arithmetic average value of the sound absorption coefficients of the composite carpet at 250Hz, 500Hz, 1000Hz and 2000 Hz; as shown in table 1, fig. 2;
waterproof property: the contact angle of the waterproof layer of the composite carpet was measured as shown in table 1 and fig. 3;
compressive strength: a compression test with a strain of 70% was performed at a speed of 30mm/min under the action of 50kgf using a servo multifunctional material tester, as shown in table 1, fig. 4;
TABLE 1
TABLE 2
As can be seen from tables 1 and 2, and FIGS. 1,2 and 5, the antibacterial rate of the composite carpets prepared in examples 1-3 against Escherichia coli and Staphylococcus aureus is above 99.7%; the carpet is subjected to 30 times of standard washing, so that the antibacterial rate is over 98 percent, and the antibacterial durability is high; the noise reduction coefficients of examples 1-3 are all significantly improved in the frequency range of 500-3000Hz, and the sound absorption performance is excellent;
comparing example 2 with comparative example 1 and comparative example 2, adopting degradable polylactic acid dihydric alcohol and bio-based polyhydric alcohol to replace polyether polyhydric alcohol to prepare high sound absorption polyurethane foam by a one-step method, and the preparation method has the advantages of simple procedure and environment-friendly raw materials; the glass transition temperature of the high sound absorption polyurethane foam is increased by limiting the proportion of the polyol, so that the thermal stability of the high sound absorption polyurethane foam is greatly improved;
comparing example 2 with comparative example 2 and comparative example 3, the content of water and physical foaming agent is limited to cooperatively foaming; the compression strength of polyurethane foam is improved; in comparison of example 2 with comparative example 1, comparative example 2 and comparative example 7, the self-made high sound absorption polyurethane foam is grafted with methyltrichlorosilane under ultraviolet irradiation to carry out hydrophobic modification, and the generated polychlorosilane with a micron-sized coarse structure is attached to the surface of a foam skeleton, so that the water contact angle of the polyurethane foam is increased.
Comparing example 2 with comparative example 5 and comparative example 6, after basalt flakes are introduced into a network of self-made high sound-absorbing polyurethane foam, the basalt flakes are filled in the polyurethane foam, so that the hydrogen bonding between the basalt flakes and each other is reduced, network pores are increased, the air permeability of the polyurethane foam is increased, and the sound absorption and heat insulation performance is improved due to the increase of the porosity of the material.
The ligand is used for modifying basalt flakes, so that the problem that chemical bonding is difficult to generate between the flakes and polyurethane foam, and the tensile strength of the polyurethane foam is reduced by independently adding the basalt flakes, and a two-dimensional coordination polymer with higher water stability and chemical stability is obtained by taking a flexible aza ring ligand and 1, 4-phthalic acid as auxiliary ligands, so that the bonding force of the basalt flakes and the polyurethane foam is improved, and the compressive strength of an antibacterial layer is improved; after chitosan is introduced, the antibacterial property of the composite carpet is improved by being cooperated with basalt flakes and a two-dimensional coordination polymer.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all changes of the equivalent structure or direct/indirect application of the present invention in the related technical fields are included in the scope of the present invention under the inventive concept of the present invention.

Claims (5)

1. A processing technology of a high sound absorption polyurethane trunk composite carpet is characterized in that: the method comprises the following steps:
s1: preparing polyurethane foam;
s2: preparing a waterproof layer: placing the polyurethane foam prepared in the step S1 into methyl trichlorosilane liquid, soaking under the irradiation of an ultraviolet lamp, taking out and drying to obtain a waterproof layer;
s3: preparing an antibacterial impregnating solution: stirring modified basalt flakes, chitosan and deionized water to obtain an antibacterial impregnating solution;
s4: preparing an antibacterial layer: soaking the polyurethane foam prepared in the step S1 in the antibacterial impregnating solution prepared in the step S3, and drying to obtain an antibacterial layer;
s5: soaking wool fibers in the antibacterial impregnating solution prepared in the step S3, drying and weaving to obtain a woollen blanket;
s6: sequentially bonding the waterproof layer, the antibacterial layer and the woollen blanket by using a polyurethane adhesive to obtain the high sound absorption polyurethane composite carpet for the trunk;
the polyurethane foam comprises the following components in parts by weight: 140-148 parts of polyalcohol, 100 parts of isophorone diisocyanate, 3.5-7 parts of catalyst, 6-8 parts of liquid paraffin, 7-9 parts of simethicone and 5.5-9.7 parts of foaming agent;
the polyol is prepared by compounding polylactic acid dihydric alcohol and bio-based polyhydric alcohol, and the mass ratio of the polylactic acid dihydric alcohol to the bio-based polyhydric alcohol is 1:3, a step of;
the preparation of the bio-based polyol comprises the following steps: heating crude glycerol and stannous octoate to 240 ℃ for reaction for 7 hours to obtain bio-based polyol;
the foaming agent is prepared by compounding deionized water, sodium dodecyl sulfate and methylene dichloride, wherein the mass ratio of the deionized water to the sodium dodecyl sulfate to the methylene dichloride is (2-4): (0.5-0.7): (3-5);
the preparation steps of the antibacterial impregnating solution are as follows: mixing zinc nitrate hexahydrate, 5- (4- (1H-1, 2, 4-triazole-1-yl) benzyl) -1H-tetrazole, 1, 4-phthalic acid, deionized water and acetonitrile, stirring for 10-15min at 18-25 ℃, transferring to a reaction kettle, reacting for 115-120H at 115-120 ℃, cooling to 18-25 ℃, adding basalt flakes, and mixing and stirring to obtain modified basalt flakes; mixing the modified basalt flakes, chitosan and deionized water, and stirring for 10-20min at 20-30 ℃ to obtain the antibacterial impregnating solution.
2. The process for processing the high sound absorption polyurethane trunk composite carpet according to claim 1, which is characterized in that: the catalyst is prepared by compounding triethanolamine, stannous octoate and dibutyl tin dilaurate, wherein the mass ratio of the triethanolamine to the stannous octoate to the dibutyl tin dilaurate is 3:2:2.
3. the process for processing the high sound absorption polyurethane trunk composite carpet according to claim 1, which is characterized in that: the preparation steps of the polyurethane foam are as follows: mixing polyol, catalyst, liquid paraffin, dimethyl silicone oil and foaming agent, stirring by ultrasonic, adding isophorone diisocyanate, stirring, pouring into a mould for foaming, solidifying for 72 hours at 18-25 ℃ after foaming, taking out from the mould, cleaning by ultrasonic by using ethanol and deionized water in sequence, and drying to obtain the polyurethane foam.
4. The process for processing the high sound absorption polyurethane trunk composite carpet according to claim 1, which is characterized in that: the wavelength of the ultraviolet lamp is 340-350nm, and the ultraviolet irradiation time is 25-30min.
5. The utility model provides a high sound polyurethane suitcase composite carpet of inhaling which characterized in that: the process according to any one of claims 1-4.
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103254136A (en) * 2013-05-30 2013-08-21 苏州大学 Method for preparing quadri [4-(1- imidazolyl) phenyl] methane
CN209346598U (en) * 2018-09-20 2019-09-06 德尔瑞（天津）机电设备有限公司 A kind of Fireproof carpet
CN112318986A (en) * 2020-09-23 2021-02-05 郭中飞 Environment-friendly household carpet and preparation method thereof
CN113402690A (en) * 2021-07-23 2021-09-17 南通馨宇诺家居用品有限公司 Cleaning-resistant polyurethane foam material and preparation method thereof
CN113929858A (en) * 2021-10-20 2022-01-14 长春工业大学 Preparation method of bio-based polyurethane material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103254136A (en) * 2013-05-30 2013-08-21 苏州大学 Method for preparing quadri [4-(1- imidazolyl) phenyl] methane
CN209346598U (en) * 2018-09-20 2019-09-06 德尔瑞（天津）机电设备有限公司 A kind of Fireproof carpet
CN112318986A (en) * 2020-09-23 2021-02-05 郭中飞 Environment-friendly household carpet and preparation method thereof
CN113402690A (en) * 2021-07-23 2021-09-17 南通馨宇诺家居用品有限公司 Cleaning-resistant polyurethane foam material and preparation method thereof
CN113929858A (en) * 2021-10-20 2022-01-14 长春工业大学 Preparation method of bio-based polyurethane material

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