CN113322529A - Non-woven fabric produced based on degradable fibers and production process thereof - Google Patents
Non-woven fabric produced based on degradable fibers and production process thereof Download PDFInfo
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- CN113322529A CN113322529A CN202110567879.8A CN202110567879A CN113322529A CN 113322529 A CN113322529 A CN 113322529A CN 202110567879 A CN202110567879 A CN 202110567879A CN 113322529 A CN113322529 A CN 113322529A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/106—Radiation shielding agents, e.g. absorbing, reflecting agents
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/04—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres having existing or potential cohesive properties, e.g. natural fibres, prestretched or fibrillated artificial fibres
- D04H1/26—Wood pulp
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4326—Condensation or reaction polymers
- D04H1/435—Polyesters
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/12—Physical properties biodegradable
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/22—Physical properties protective against sunlight or UV radiation
Abstract
The invention relates to the technical field of non-woven fabrics, and discloses a non-woven fabric produced based on degradable fibers and a production process thereof, wherein the non-woven fabric comprises the following raw materials in parts by weight: 80-100 parts of softwood pulp, 200-320 parts of water, 2-9 parts of antibacterial liquid, 5-11 parts of waterproof agent, 3-7 parts of softening agent, 30-70 parts of polylactic resin, 12-21 parts of acetic acid, 9-16 parts of dimethylamino methacrylate, 8-15 parts of sun-screening agent and 2-9 parts of antioxidant, wherein the antibacterial liquid comprises the following raw materials in parts by weight: 2-6 parts of polyethylene glycol, 3-8 parts of polyhexamethylene guanidine propionate and 2-9 parts of polyether siloxane. The invention greatly improves the antibacterial property of the non-woven fabric, ensures the cleanliness of the non-woven fabric, improves the sun-proof property of the non-woven fabric, improves the functionality of the non-woven fabric, is beneficial to improving the application range of the non-woven fabric, is easy to degrade, does not generate chemical pollution to the environment, and has good environmental protection property.
Description
Technical Field
The invention relates to the technical field of non-woven fabrics, in particular to a non-woven fabric produced based on degradable fibers and a production process thereof.
Background
The non-woven fabric is a non-woven fabric which is formed by directly utilizing high polymer slices, short fibers or filaments to form a net through air flow or machinery, then carrying out spunlace, needling or hot rolling reinforcement, and finally carrying out after-treatment. A novel fabric product having a soft, air-permeable and planar structure has the advantages of no generation of lint, toughness, durability, silky softness, and a cotton-like feeling, and a non-woven fabric bag which is easy to form and inexpensive as compared with cotton. In terms of environmental protection, most of the nonwoven fabrics used at present are made of polypropylene, while the plastic bags are made of polyethylene, which are similar in name but far from each other in chemical structure. The chemical molecular structure of polyethylene has quite strong stability and is extremely difficult to degrade, so that the plastic bag can be decomposed in 300 years; the chemical structure of the polypropylene is not firm, molecular chains can be easily broken, so that the polypropylene can be effectively degraded, and the polypropylene enters the next environmental cycle in a non-toxic form, so that a non-woven fabric shopping bag can be thoroughly decomposed within 90 days. The non-woven fabric shopping bag can be reused for more than 10 times, and the pollution degree to the environment after being discarded is only 10 percent of that of the plastic bag.
Nonwoven fabrics are composed of oriented or random fibers and are widely used in the field of sanitary products such as topsheet materials for disposable absorbent articles, mask carriers, and the like, or other related fields. However, the non-woven fabric in the prior art has a single function, the existing non-woven fabric has no good sun-screening performance and weak ultraviolet resistance, in practical use, the non-woven fabric inevitably contacts various microorganisms such as bacteria and fungi, the non-woven fabric is a good living place for the microorganisms and mites, is an important transmission source of diseases and influences the health of people, and the existing non-woven fabric has poor antibacterial performance, so that the non-woven fabric produced based on the degradable fibers and the production process thereof are provided to solve the problems.
Disclosure of Invention
The invention provides a non-woven fabric produced based on degradable fibers and a production process thereof, which solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
a non-woven fabric produced based on degradable fibers and a production process thereof comprise the following raw materials in parts by weight: 80-100 parts of softwood pulp, 320 parts of water 200-containing materials, 2-9 parts of antibacterial liquid, 5-11 parts of waterproof agent, 3-7 parts of softening agent, 30-70 parts of polylactic resin, 12-21 parts of acetic acid, 9-16 parts of dimethylamino methacrylate, 8-15 parts of sun-screening agent and 2-9 parts of antioxidant.
Preferably, the antibacterial liquid comprises the following raw materials in parts by weight: 2-6 parts of polyethylene glycol, 3-8 parts of polyhexamethylene guanidine propionate, 2-9 parts of polyether siloxane, 3-5.5 parts of cypermethrin, 2-6 parts of bifenthrin and 4-8 parts of glycerol trioleate.
Preferably, the sunscreen agent comprises the following raw materials in parts by weight: 5-11 parts of ethylhexyl methoxycinnamate, 2-7 parts of bis-ethylhexyloxyphenol methoxyphenyl triazine, 4-7 parts of oxybenzone, 3-9 parts of glycerol, 5-13 parts of isopropyl methoxycinnamate and 3-12 parts of ethylhexyl salicylate.
Preferably, the antioxidant is composed of a mixture of catalase, tea polyphenol and butyl hydroxy anisol, and the volume ratio of the catalase, the tea polyphenol and the butyl hydroxy anisol is 1-2:1-2: 3-4.
Preferably, the feed comprises the following raw materials in parts by weight: 85-100 parts of softwood pulp, 320 parts of water 220-containing liquid, 3-9 parts of antibacterial liquid, 6-11 parts of waterproof agent, 4-7 parts of softening agent, 35-70 parts of polylactic resin, 14-21 parts of acetic acid, 11-16 parts of dimethylamino methacrylate, 9-15 parts of sun-screening agent and 3-9 parts of antioxidant.
Preferably, the feed comprises the following raw materials in parts by weight: 90 parts of softwood pulp, 260 parts of water, 6 parts of antibacterial liquid, 8 parts of waterproof agent, 5 parts of softening agent, 50 parts of polylactic resin, 17 parts of acetic acid, 13 parts of methacrylic dimethylamino group, 12 parts of sun-screening agent and 6 parts of antioxidant.
The invention also provides a preparation method of the non-woven fabric based on the degradable fiber production, which comprises the following steps:
s1, preparing an antibacterial liquid, namely adding the polyethylene glycol, the polyhexamethylene guanidine propionate and the polyether siloxane into a stainless steel reaction kettle in parts by weight, heating in a closed manner, keeping the temperature for 1h, then adding the cypermethrin, the bifenthrin and the glycerol trioleate, and continuously stirring for 1-2h at 80 ℃ to obtain the antibacterial liquid;
s2, preparing wood pulp fibers, and comprising the following steps:
s21, stirring and pulping softwood pulp and water by using a pulping machine to obtain pulping liquor;
s22, adding the waterproof agent and the softening agent in parts by weight into the pulping liquid, stirring for 30-60min, then adding the prepared antibacterial liquid, stirring for 30-80min, and mixing to obtain a mixed liquid;
s23, filtering, spinning, drafting and shaping the mixed solution to obtain wood pulp fibers;
s3, preparing a sun-screening agent, mixing ethylhexyl methoxycinnamate and bis-ethylhexyloxyphenol methoxyphenyl triazine at normal temperature, stirring for the first time, stirring for 1-2h, heating to 70-90 ℃, adding oxybenzone, glycerol, isopropyl methoxycinnamate and ethylhexyl salicylate, mixing, stirring for 40-60min again, and cooling to obtain the sun-screening agent;
s4, preparing polyester fibers, and comprising the following steps:
s41, adding the polylactic resin, the acetic acid and the methacrylic acid dimethylamino group, and stirring to obtain a mixed material;
s42, heating the mixed material, adding the sun-screening agent and the antioxidant, uniformly stirring, then sending into a double-screw extruder for extrusion, and cooling to room temperature to obtain polylactic acid fibers;
and S5, blending the wood pulp fiber and the polylactic acid fiber to obtain the non-woven fabric.
Preferably, the rotation speed of the beater is 730-780 rpm, and the beating time is 25-45 minutes.
Preferably, in S3, the stirring is performed by a stirrer, the first stirring speed is 220rad/min, and the second stirring speed is 300 rad/min.
Preferably, the waterproof agent is fluorine-containing acrylic resin, and the softening agent is monoalkyl phosphate.
The invention has the beneficial effects that:
according to the invention, polyethylene glycol, polyhexamethylene guanidine propionate and polyether siloxane are added into a stainless steel reaction kettle through a self-made antibacterial liquid, the temperature is raised in a sealed manner, then cypermethrin, bifenthrin and triolein are added, the antibacterial liquid is obtained by continuously stirring, and the antibacterial liquid is added into the preparation of wood pulp fibers for mixing, so that the prepared wood pulp fibers have good antibacterial performance, the wood pulp fibers are used as raw materials to prepare the non-woven fabric, the materials are easy to obtain, meanwhile, the antibacterial performance of the non-woven fabric is greatly improved, and the cleanliness of the non-woven fabric is ensured.
According to the invention, through self-made sunscreen agent, the mixture of ethylhexyl methoxycinnamate and bis-ethylhexyloxyphenol methoxyphenyl triazine is stirred for the first time at normal temperature, oxybenzone, glycerol, isopropyl methoxycinnamate and ethylhexyl salicylate are added for mixing and stirring again when the temperature is raised, and the sunscreen agent is prepared by cooling, and then the sunscreen agent is blended into the preparation of polylactic acid fiber, so that the prepared polylactic acid fiber has sunscreen and ultraviolet resistance.
According to the invention, the non-woven fabric is prepared from the wood pulp fiber and the polylactic acid fiber, the material is cheap and easy to obtain, the manufacturing cost is low, the manufactured non-woven fabric is easy to degrade, the material does not generate chemical pollution to the environment, and the non-woven fabric has good environmental protection performance.
Drawings
FIG. 1 is a schematic view of a process for preparing a nonwoven fabric according to the present invention.
FIG. 2 is a schematic view of a process for preparing wood pulp fibers according to the present invention.
FIG. 3 is a schematic view of the process for preparing polyester fiber according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
A non-woven fabric produced based on degradable fibers and a production process thereof comprise the following raw materials in parts by weight: 80 parts of softwood pulp, 200 parts of water, 2 parts of antibacterial liquid, 5 parts of waterproof agent, 3 parts of softening agent, 30 parts of polylactic resin, 12 parts of acetic acid, 9 parts of methacrylic dimethylamino, 8 parts of sun-screening agent and 2 parts of antioxidant.
In this embodiment, the antibacterial liquid includes the following raw materials in parts by weight: 2 parts of polyethylene glycol, 3 parts of polyhexamethylene guanidine propionate, 2 parts of polyether siloxane, 3 parts of cypermethrin, 2 parts of bifenthrin and 4 parts of glycerol trioleate.
In this embodiment, the sunscreen agent includes the following raw materials in parts by weight: 5 parts of ethylhexyl methoxycinnamate, 2 parts of bis-ethylhexyloxyphenol methoxyphenyl triazine, 4 parts of oxybenzone, 3 parts of glycerol, 5 parts of isopropyl methoxycinnamate and 3 parts of ethylhexyl salicylate.
In this example, the antioxidant is composed of a mixture of catalase, tea polyphenol and butyl hydroxyanisole, and the volume ratio of catalase, tea polyphenol and butyl hydroxyanisole is 1:1: 3.
Referring to fig. 1 to 3, a method for preparing a nonwoven fabric produced based on degradable fibers includes the following steps:
s1, preparing an antibacterial liquid, namely adding the polyethylene glycol, the polyhexamethylene guanidine propionate and the polyether siloxane into a stainless steel reaction kettle in parts by weight, heating in a closed manner, keeping the temperature for 1h, then adding the cypermethrin, the bifenthrin and the glycerol trioleate, and continuously stirring for 1h at 80 ℃ to obtain the antibacterial liquid;
s2, preparing wood pulp fibers, and comprising the following steps:
s21, stirring and pulping softwood pulp and water by using a pulping machine to obtain pulping liquor;
s22, adding the waterproof agent and the softening agent in parts by weight into the pulping liquid, stirring for 30min, then adding the prepared antibacterial liquid, stirring for 30min, and mixing to obtain a mixed liquid;
s23, filtering, spinning, drafting and shaping the mixed solution to obtain wood pulp fibers;
s3, preparing a sun-screening agent, mixing ethylhexyl methoxycinnamate and bis-ethylhexyloxyphenol methoxyphenyl triazine at normal temperature, stirring for the first time, heating to 70 ℃, adding oxybenzone, glycerol, isopropyl methoxycinnamate and ethylhexyl salicylate, mixing, stirring for 40min again, and cooling to obtain the sun-screening agent;
s4, preparing polyester fibers, and comprising the following steps:
s41, adding the polylactic resin, the acetic acid and the methacrylic acid dimethylamino group, and stirring to obtain a mixed material;
s42, heating the mixed material, adding the sun-screening agent and the antioxidant, uniformly stirring, then sending into a double-screw extruder for extrusion, and cooling to room temperature to obtain polylactic acid fibers;
and S5, blending the wood pulp fiber and the polylactic acid fiber to obtain the non-woven fabric.
In this example, the beater speed is 730 rpm and the beating time is 25 minutes. In S3, the mixture is stirred by a stirrer, the first stirring speed is 220rad/min, and the second stirring speed is 300 rad/min. The waterproof agent is fluorine-containing acrylic resin, and the softening agent is monoalkyl phosphate.
Example two
A non-woven fabric produced based on degradable fibers and a production process thereof comprise the following raw materials in parts by weight: 90 parts of softwood pulp, 260 parts of water, 6 parts of antibacterial liquid, 8 parts of waterproof agent, 5 parts of softening agent, 50 parts of polylactic resin, 17 parts of acetic acid, 13 parts of methacrylic dimethylamino group, 12 parts of sun-screening agent and 6 parts of antioxidant.
In this embodiment, the antibacterial liquid includes the following raw materials in parts by weight: 4 parts of polyethylene glycol, 6 parts of polyhexamethylene guanidine propionate, 6 parts of polyether siloxane, 4.3 parts of cypermethrin, 4 parts of bifenthrin and 6 parts of glycerol trioleate.
In this embodiment, the sunscreen agent includes the following raw materials in parts by weight: 8 parts of ethylhexyl methoxycinnamate, 5 parts of bis-ethylhexyloxyphenol methoxyphenyl triazine, 6 parts of oxybenzone, 6 parts of glycerol, 9 parts of isopropyl methoxycinnamate and 8 parts of ethylhexyl salicylate.
In this example, the antioxidant is composed of a mixture of catalase, tea polyphenol and butyl hydroxyanisole, and the volume ratio of catalase, tea polyphenol and butyl hydroxyanisole is 1.5:1.5: 3.5.
Referring to fig. 1 to 3, a method for preparing a nonwoven fabric produced based on degradable fibers includes the following steps:
s1, preparing an antibacterial liquid, namely adding the polyethylene glycol, the polyhexamethylene guanidine propionate and the polyether siloxane into a stainless steel reaction kettle in parts by weight, heating in a closed manner, keeping the temperature for 1h, then adding the cypermethrin, the bifenthrin and the glycerol trioleate, and continuously stirring for 1.5h at 80 ℃ to obtain the antibacterial liquid;
s2, preparing wood pulp fibers, and comprising the following steps:
s21, stirring and pulping softwood pulp and water by using a pulping machine to obtain pulping liquor;
s22, adding the waterproof agent and the softening agent in parts by weight into the pulping liquid, stirring for 45min, then adding the prepared antibacterial liquid, stirring for 55min, and mixing to obtain a mixed liquid;
s23, filtering, spinning, drafting and shaping the mixed solution to obtain wood pulp fibers;
s3, preparing a sun-screening agent, mixing ethylhexyl methoxycinnamate and bis-ethylhexyloxyphenol methoxyphenyl triazine at normal temperature, stirring for the first time, stirring for 1-2h, heating to 80 ℃, adding oxybenzone, glycerol, isopropyl methoxycinnamate and ethylhexyl salicylate, mixing, stirring for 50min again, and cooling to obtain the sun-screening agent;
s4, preparing polyester fibers, and comprising the following steps:
s41, adding the polylactic resin, the acetic acid and the methacrylic acid dimethylamino group, and stirring to obtain a mixed material;
s42, heating the mixed material, adding the sun-screening agent and the antioxidant, uniformly stirring, then sending into a double-screw extruder for extrusion, and cooling to room temperature to obtain polylactic acid fibers;
and S5, blending the wood pulp fiber and the polylactic acid fiber to obtain the non-woven fabric.
In this example, the beater rotation speed is 755 rpm, and the beating time is 35 minutes. In S3, the mixture is stirred by a stirrer, the first stirring speed is 220rad/min, and the second stirring speed is 300 rad/min. The waterproof agent is fluorine-containing acrylic resin, and the softening agent is monoalkyl phosphate.
EXAMPLE III
A non-woven fabric produced based on degradable fibers and a production process thereof comprise the following raw materials in parts by weight: 100 parts of softwood pulp, 320 parts of water, 9 parts of antibacterial liquid, 11 parts of waterproof agent, 7 parts of softening agent, 70 parts of polylactic resin, 21 parts of acetic acid, 16 parts of methacrylic dimethylamino, 15 parts of sun-screening agent and 9 parts of antioxidant.
In this embodiment, the antibacterial liquid includes the following raw materials in parts by weight: 6 parts of polyethylene glycol, 8 parts of polyhexamethylene guanidine propionate, 9 parts of polyether siloxane, 5.5 parts of cypermethrin, 6 parts of bifenthrin and 8 parts of glycerol trioleate.
In this embodiment, the sunscreen agent includes the following raw materials in parts by weight: 11 parts of ethylhexyl methoxycinnamate, 7 parts of bis-ethylhexyloxyphenol methoxyphenyl triazine, 7 parts of oxybenzone, 9 parts of glycerol, 13 parts of isopropyl methoxycinnamate and 12 parts of ethylhexyl salicylate.
In this example, the antioxidant is composed of a mixture of catalase, tea polyphenol and butyl hydroxyanisole, and the volume ratio of catalase, tea polyphenol and butyl hydroxyanisole is 2:2: 4.
Referring to fig. 1 to 3, a method for preparing a nonwoven fabric produced based on degradable fibers includes the following steps:
s1, preparing an antibacterial liquid, namely adding the polyethylene glycol, the polyhexamethylene guanidine propionate and the polyether siloxane into a stainless steel reaction kettle in parts by weight, heating in a closed manner, keeping the temperature for 1h, then adding the cypermethrin, the bifenthrin and the glycerol trioleate, and continuously stirring for 2h at 80 ℃ to obtain the antibacterial liquid;
s2, preparing wood pulp fibers, and comprising the following steps:
s21, stirring and pulping softwood pulp and water by using a pulping machine to obtain pulping liquor;
s22, adding the waterproof agent and the softening agent in parts by weight into the pulping liquid, stirring for 60min, then adding the prepared antibacterial liquid, stirring for 80min, and mixing to obtain a mixed liquid;
s23, filtering, spinning, drafting and shaping the mixed solution to obtain wood pulp fibers;
s3, preparing a sun-screening agent, mixing ethylhexyl methoxycinnamate and bis-ethylhexyloxyphenol methoxyphenyl triazine at normal temperature, stirring for 2h, heating to 90 ℃, adding oxybenzone, glycerol, isopropyl methoxycinnamate and ethylhexyl salicylate, mixing, stirring for 60min again, and cooling to obtain the sun-screening agent;
s4, preparing polyester fibers, and comprising the following steps:
s41, adding the polylactic resin, the acetic acid and the methacrylic acid dimethylamino group, and stirring to obtain a mixed material;
s42, heating the mixed material, adding the sun-screening agent and the antioxidant, uniformly stirring, then sending into a double-screw extruder for extrusion, and cooling to room temperature to obtain polylactic acid fibers;
and S5, blending the wood pulp fiber and the polylactic acid fiber to obtain the non-woven fabric.
In this example, the beater speed is 780 rpm and the beating time is 45 minutes. In S3, the mixture is stirred by a stirrer, the first stirring speed is 220rad/min, and the second stirring speed is 300 rad/min. The waterproof agent is fluorine-containing acrylic resin, and the softening agent is monoalkyl phosphate.
The nonwoven fabric produced in this example and the existing nonwoven fabric were used as a control sample for performance testing, and the test data was recorded to obtain the following table:
the data show that the antibacterial rate of the non-woven fabric prepared by the invention is far higher than that of the existing non-woven fabric contrast sample, the non-woven fabric prepared by the invention has good antibacterial performance, and meanwhile, the ultraviolet transmittance is far lower than that of the existing non-woven fabric contrast sample, so that the non-woven fabric effectively blocks ultraviolet rays and has excellent sun-screening performance.
According to the invention, polyethylene glycol, polyhexamethylene guanidine propionate and polyether siloxane are added into a stainless steel reaction kettle through a self-made antibacterial liquid, the temperature is raised in a sealed manner, then cypermethrin, bifenthrin and triolein are added, the antibacterial liquid is obtained by continuously stirring, and the antibacterial liquid is added into the preparation of wood pulp fibers for mixing, so that the prepared wood pulp fibers have good antibacterial performance, the wood pulp fibers are used as raw materials to prepare the non-woven fabric, the materials are easy to obtain, meanwhile, the antibacterial performance of the non-woven fabric is greatly improved, and the cleanliness of the non-woven fabric is ensured. According to the invention, through self-made sunscreen agent, the mixture of ethylhexyl methoxycinnamate and bis-ethylhexyloxyphenol methoxyphenyl triazine is stirred for the first time at normal temperature, oxybenzone, glycerol, isopropyl methoxycinnamate and ethylhexyl salicylate are added for mixing and stirring again when the temperature is raised, and the sunscreen agent is prepared by cooling, and then the sunscreen agent is blended into the preparation of polylactic acid fiber, so that the prepared polylactic acid fiber has sunscreen and ultraviolet resistance. According to the invention, the non-woven fabric is prepared from the wood pulp fiber and the polylactic acid fiber, the material is cheap and easy to obtain, the manufacturing cost is low, the manufactured non-woven fabric is easy to degrade, the material does not generate chemical pollution to the environment, and the non-woven fabric has good environmental protection performance.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A non-woven fabric produced based on degradable fibers is characterized by comprising the following raw materials in parts by weight: 80-100 parts of softwood pulp, 320 parts of water 200-containing materials, 2-9 parts of antibacterial liquid, 5-11 parts of waterproof agent, 3-7 parts of softening agent, 30-70 parts of polylactic resin, 12-21 parts of acetic acid, 9-16 parts of dimethylamino methacrylate, 8-15 parts of sun-screening agent and 2-9 parts of antioxidant.
2. The non-woven fabric produced based on the degradable fibers according to claim 1, wherein the antibacterial solution comprises the following raw materials in parts by weight: 2-6 parts of polyethylene glycol, 3-8 parts of polyhexamethylene guanidine propionate, 2-9 parts of polyether siloxane, 3-5.5 parts of cypermethrin, 2-6 parts of bifenthrin and 4-8 parts of glycerol trioleate.
3. The non-woven fabric produced on the basis of the degradable fibers according to claim 1, wherein the sun-screening agent comprises the following raw materials in parts by weight: 5-11 parts of ethylhexyl methoxycinnamate, 2-7 parts of bis-ethylhexyloxyphenol methoxyphenyl triazine, 4-7 parts of oxybenzone, 3-9 parts of glycerol, 5-13 parts of isopropyl methoxycinnamate and 3-12 parts of ethylhexyl salicylate.
4. The non-woven fabric produced on the basis of degradable fibers according to claim 1, wherein the antioxidant is a mixture of catalase, tea polyphenol and butyl hydroxyanisole, and the volume ratio of catalase, tea polyphenol and butyl hydroxyanisole is 1-2:1-2: 3-4.
5. The non-woven fabric produced based on the degradable fiber according to claim 1 is characterized by comprising the following raw materials in parts by weight: 85-100 parts of softwood pulp, 320 parts of water 220-containing liquid, 3-9 parts of antibacterial liquid, 6-11 parts of waterproof agent, 4-7 parts of softening agent, 35-70 parts of polylactic resin, 14-21 parts of acetic acid, 11-16 parts of dimethylamino methacrylate, 9-15 parts of sun-screening agent and 3-9 parts of antioxidant.
6. The non-woven fabric produced based on the degradable fiber according to claim 1 is characterized by comprising the following raw materials in parts by weight: 90 parts of softwood pulp, 260 parts of water, 6 parts of antibacterial liquid, 8 parts of waterproof agent, 5 parts of softening agent, 50 parts of polylactic resin, 17 parts of acetic acid, 13 parts of methacrylic dimethylamino group, 12 parts of sun-screening agent and 6 parts of antioxidant.
7. The method for preparing the non-woven fabric produced based on the degradable fiber according to any one of claims 1 to 6, which comprises the following steps:
s1, preparing an antibacterial liquid, namely adding the polyethylene glycol, the polyhexamethylene guanidine propionate and the polyether siloxane into a stainless steel reaction kettle in parts by weight, heating in a closed manner, keeping the temperature for 1h, then adding the cypermethrin, the bifenthrin and the glycerol trioleate, and continuously stirring for 1-2h at 80 ℃ to obtain the antibacterial liquid;
s2, preparing wood pulp fibers, and comprising the following steps:
s21, stirring and pulping softwood pulp and water by using a pulping machine to obtain pulping liquor;
s22, adding the waterproof agent and the softening agent in parts by weight into the pulping liquid, stirring for 30-60min, then adding the prepared antibacterial liquid, stirring for 30-80min, and mixing to obtain a mixed liquid;
s23, filtering, spinning, drafting and shaping the mixed solution to obtain wood pulp fibers;
s3, preparing a sun-screening agent, mixing ethylhexyl methoxycinnamate and bis-ethylhexyloxyphenol methoxyphenyl triazine at normal temperature, stirring for the first time, stirring for 1-2h, heating to 70-90 ℃, adding oxybenzone, glycerol, isopropyl methoxycinnamate and ethylhexyl salicylate, mixing, stirring for 40-60min again, and cooling to obtain the sun-screening agent;
s4, preparing polyester fibers, and comprising the following steps:
s41, adding the polylactic resin, the acetic acid and the methacrylic acid dimethylamino group, and stirring to obtain a mixed material;
s42, heating the mixed material, adding the sun-screening agent and the antioxidant, uniformly stirring, then sending into a double-screw extruder for extrusion, and cooling to room temperature to obtain polylactic acid fibers;
and S5, blending the wood pulp fiber and the polylactic acid fiber to obtain the non-woven fabric.
8. The process for producing non-woven fabrics based on degradable fibers as claimed in claim 7, wherein the rotation speed of the beater is 730-.
9. The process of claim 7, wherein in step S3, the stirring is performed by a stirrer, the first stirring speed is 220rad/min, and the second stirring speed is 300 rad/min.
10. The production process of the non-woven fabric based on the degradable fiber production as claimed in claim 7, wherein the water-proofing agent is fluorine-containing acrylic resin, and the softening agent is monoalkyl phosphate.
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