CN112127047A - Degradable hot air non-woven fabric and preparation method thereof - Google Patents
Degradable hot air non-woven fabric and preparation method thereof Download PDFInfo
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- CN112127047A CN112127047A CN202010821979.4A CN202010821979A CN112127047A CN 112127047 A CN112127047 A CN 112127047A CN 202010821979 A CN202010821979 A CN 202010821979A CN 112127047 A CN112127047 A CN 112127047A
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 82
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 50
- 239000002131 composite material Substances 0.000 claims abstract description 46
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims abstract description 44
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 38
- 239000000945 filler Substances 0.000 claims abstract description 32
- 239000004743 Polypropylene Substances 0.000 claims abstract description 24
- -1 polypropylene Polymers 0.000 claims abstract description 24
- 229920001155 polypropylene Polymers 0.000 claims abstract description 24
- 229920001911 maleic anhydride grafted polypropylene Polymers 0.000 claims abstract description 22
- 229920001526 metallocene linear low density polyethylene Polymers 0.000 claims abstract description 22
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 21
- 239000004626 polylactic acid Substances 0.000 claims abstract description 21
- 229920000642 polymer Polymers 0.000 claims abstract description 20
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 19
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 137
- 239000000919 ceramic Substances 0.000 claims description 46
- 239000000843 powder Substances 0.000 claims description 46
- 239000000377 silicon dioxide Substances 0.000 claims description 46
- 239000000203 mixture Substances 0.000 claims description 45
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 32
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 32
- 239000000835 fiber Substances 0.000 claims description 24
- 239000003242 anti bacterial agent Substances 0.000 claims description 21
- 239000002245 particle Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 14
- 235000012239 silicon dioxide Nutrition 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 7
- 238000009987 spinning Methods 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 239000002250 absorbent Substances 0.000 claims description 2
- 230000002745 absorbent Effects 0.000 claims description 2
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 19
- 239000004744 fabric Substances 0.000 abstract description 14
- 230000009172 bursting Effects 0.000 abstract description 11
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- 230000003578 releasing effect Effects 0.000 abstract description 6
- 210000004243 sweat Anatomy 0.000 abstract description 6
- 230000002045 lasting effect Effects 0.000 abstract description 5
- 230000000295 complement effect Effects 0.000 abstract 1
- 239000005909 Kieselgur Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229920002239 polyacrylonitrile Polymers 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 3
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000012510 hollow fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910021426 porous silicon Inorganic materials 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- 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
- D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- 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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/10—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained by reactions only involving carbon-to-carbon unsaturated bonds as constituent
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses a degradable hot air non-woven fabric and a preparation method thereof, wherein the degradable hot air non-woven fabric is prepared from the following raw materials in parts by weight: 70-80 parts of polypropylene, 12-17 parts of a polymer of 2-methyl acrylate, 1, 3-butadiene and 2-acrylonitrile, 7-10 parts of metallocene linear low-density polyethylene, 3-5 parts of maleic anhydride grafted polypropylene, 10-14 parts of polylactic acid, 4-6 parts of light calcium carbonate and 6-9 parts of an inorganic composite filler. The degradable hot-air non-woven fabric is prepared by selecting raw materials and optimizing the content of each raw material, so that the advantages of the raw materials are fully exerted, the raw materials complement each other and promote each other, and the prepared degradable hot-air non-woven fabric can be biodegraded; the light-resistant and antibacterial fabric has good light resistance, good antibacterial effect, lasting antibacterial effect, good mechanical properties (large breaking strength and bursting strength), moderate rebound resilience, good flexibility, good texture and good moisture absorption and sweat releasing performance; the comprehensive service performance is good, and the market application prospect is wide.
Description
Technical Field
The invention relates to the technical field of non-woven fabrics, in particular to a degradable hot air non-woven fabric and a preparation method thereof.
Background
Nonwoven fabrics, also known as nonwovens, are composed of oriented or random fibers. It is called a cloth because of its appearance and certain properties. The non-woven fabric has no warp and weft, is very convenient to cut and sew, is light in weight and easy to shape, and is popular with hand fans. Because it is a fabric formed without spinning a woven fabric, it is formed by orienting or randomly arranging textile staple fibers or filaments to form a web structure and then reinforcing them by mechanical, thermal or chemical means.
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, hot air or hot rolling reinforcement, and finally carrying out after-treatment. A novel fiber product having a soft, air-permeable and planar structure, which is strong, durable, silky and soft without generating lint, is one of reinforcing materials, and has a cotton-like feel, and a nonwoven fabric is easy to form and inexpensive as compared with cotton.
The polypropylene fiber is fused and contracted near flame, is inflammable, burns slowly away from the fire and emits black smoke, the upper end of the flame is yellow, the lower end of the flame is blue, the petroleum smell is emitted, and the burnt ash is hard round and light yellow brown particles which are twisted by hands and are easy to break. The polypropylene fiber varieties include filaments (including non-textured filaments and bulked textured filaments), short fibers, bristles, split fibers, hollow fibers, profiled fibers, various composite fibers, nonwoven fabrics and the like. The main application is to manufacture carpets (including carpet backing cloth and suede), decorative fabrics, furniture cloth, various ropes, strips, fishing nets, oil absorption felts, building reinforcing materials, packaging materials and industrial cloth, such as filter cloth, bag cloth and the like. In addition, the application in the aspect of clothing is gradually wide, the fiber can be blended with various fibers to prepare different types of blended fabrics, and the blended fabrics can be made into shirts, coats, sports coats, socks and the like after knitting processing. The quilt made of polypropylene hollow fiber has light weight, good heat preservation and good elasticity.
However, the currently used through-air nonwoven fabric has the following problems:
1. non-degradable, or difficult to degrade;
2. the antibacterial effect is poor, and particularly, the durability of the antibacterial effect is poor;
3. after the degradable material is added for modification, the hot air non-woven fabric has light resistance, mechanical properties (fracture strength and bursting strength), rebound resilience, flexibility, texture, moisture absorption and sweat releasing properties and the like which all slide down greatly, so that the comprehensive use performance is poor and the application is blocked.
Disclosure of Invention
Based on the above situation, the present invention aims to provide a degradable hot air non-woven fabric and a preparation method thereof, which can effectively solve the above problems. The degradable hot-air non-woven fabric is prepared by selecting raw materials, optimizing the content of each raw material, adopting polypropylene, 2-methyl acrylate, 1, 3-butadiene and 2-acrylonitrile polymer, metallocene linear low-density polyethylene, maleic anhydride grafted polypropylene, polylactic acid, light calcium carbonate, nano silver, nano titanium dioxide, porous diatomite and silicon dioxide porous ceramic powder, fully exerting the advantages of the raw materials, supplementing the raw materials and promoting the raw materials to be mutually, and the prepared degradable hot-air non-woven fabric can be biodegraded; the light-resistant and antibacterial fabric has good light resistance, good antibacterial effect, lasting antibacterial effect, good mechanical properties (large breaking strength and bursting strength), moderate rebound resilience, good flexibility, good texture and good moisture absorption and sweat releasing performance; the comprehensive service performance is good, and the market application prospect is wide.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the degradable hot air non-woven fabric is prepared from the following raw materials in parts by weight:
70-80 parts of polypropylene,
12-17 parts of polymer of 2-methyl acrylate, 1, 3-butadiene and 2-acrylonitrile,
7-10 parts of metallocene linear low-density polyethylene,
3-5 parts of maleic anhydride grafted polypropylene,
10-14 parts of polylactic acid,
4-6 parts of light calcium carbonate,
6-9 parts of inorganic composite filler.
The degradable hot-air non-woven fabric is prepared by selecting raw materials, optimizing the content of each raw material, adopting polypropylene, 2-methyl acrylate, 1, 3-butadiene and 2-acrylonitrile polymer, metallocene linear low-density polyethylene, maleic anhydride grafted polypropylene, polylactic acid, light calcium carbonate, nano silver, nano titanium dioxide, porous diatomite and silicon dioxide porous ceramic powder, fully exerting the advantages of the raw materials, supplementing the raw materials and promoting the raw materials to be mutually, and the prepared degradable hot-air non-woven fabric can be biodegraded; the light-resistant and antibacterial fabric has good light resistance, good antibacterial effect, lasting antibacterial effect, good mechanical properties (large breaking strength and bursting strength), moderate rebound resilience, good flexibility, good texture and good moisture absorption and sweat releasing performance; the comprehensive service performance is good, and the market application prospect is wide.
Preferably, the degradable hot air non-woven fabric is prepared from the following raw materials in parts by weight:
75 parts of polypropylene,
14.5 parts of a polymer of methyl 2-acrylate with 1, 3-butadiene and 2-acrylonitrile,
8.5 parts of metallocene linear low-density polyethylene,
4 parts of maleic anhydride grafted polypropylene,
12 parts of polylactic acid,
5 portions of light calcium carbonate,
7.5 parts of inorganic composite filler.
Preferably, the inorganic composite filler is a mixture of an antibacterial agent and an inorganic carrier, and the mass ratio of the antibacterial agent to the inorganic carrier is 1: (2.2-2.8).
Preferably, the antibacterial agent is a mixture of nano silver and nano titanium dioxide; the inorganic carrier is a mixture of porous diatomite and silica porous ceramic powder.
Preferably, the mass ratio of the nano silver to the nano titanium dioxide in the mixture of the nano silver and the nano titanium dioxide is 1: (0.16-0.19); the mass ratio of the porous diatomite to the porous silica ceramic powder in the mixture of the porous diatomite and the porous silica ceramic powder is 1: (0.62-0.71).
Preferably, the particle size of the porous diatomite is 100-200 meshes; the particle size of the silicon dioxide porous ceramic powder is 100-200 meshes.
Preferably, the degradable hot-air non-woven fabric further comprises the following raw materials in parts by weight: anti-ultraviolet light agent: 2.5-4 parts.
Preferably, the ultraviolet light resisting agent is an ultraviolet absorbent UV-2908.
The ultraviolet aging resistance of the degradable hot air non-woven fabric prepared by the invention can be better improved.
The invention also provides a preparation method of the degradable hot-air non-woven fabric, which comprises the following steps:
A. weighing the raw materials of the degradable hot-air non-woven fabric according to the parts by weight, and drying the raw materials respectively for later use;
B. adding porous diatomite and silica porous ceramic powder into a superfine grinder, then adding nano silver and nano titanium dioxide, grinding and dispersing uniformly until the particle sizes of the porous diatomite and the silica porous ceramic powder are more than or equal to 300 meshes, and obtaining an inorganic composite filler;
C. uniformly mixing the inorganic composite filler with polypropylene, a polymer of 2-methyl acrylate, 1, 3-butadiene and 2-acrylonitrile, metallocene linear low-density polyethylene, maleic anhydride grafted polypropylene, polylactic acid and light calcium carbonate to obtain a mixture;
D. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
E. the mixed melt enters a spinning machine, is sprayed out from a spinneret plate to form a strand silk, and then is subjected to air blowing cooling, oiling, stretching and winding to obtain a composite fiber;
F. after the composite fibers are carded into a net, the net is reinforced by a hot air process to prepare the degradable hot air non-woven fabric.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the degradable hot-air non-woven fabric is prepared by selecting raw materials, optimizing the content of each raw material, adopting polypropylene, 2-methyl acrylate, 1, 3-butadiene and 2-acrylonitrile polymer, metallocene linear low-density polyethylene, maleic anhydride grafted polypropylene, polylactic acid, light calcium carbonate, nano silver, nano titanium dioxide, porous diatomite and silicon dioxide porous ceramic powder, fully exerting the advantages of the raw materials, supplementing the raw materials and promoting the raw materials to be mutually, and the prepared degradable hot-air non-woven fabric can be biodegraded; the light-resistant and antibacterial fabric has good light resistance, good antibacterial effect, lasting antibacterial effect, good mechanical properties (large breaking strength and bursting strength), moderate rebound resilience, good flexibility, good texture and good moisture absorption and sweat releasing performance; the comprehensive service performance is good, and the market application prospect is wide.
The degradable hot-air non-woven fabric is added with polymers of 2-methyl acrylate, 1, 3-butadiene and 2-acrylonitrile in a proper proportion, has good compatibility in a raw material system, is matched with polypropylene, metallocene linear low-density polyethylene and the like, plays a good synergistic role, and improves the comprehensive service performances of the degradable hot-air non-woven fabric, such as light resistance, mechanical properties (breaking strength and bursting strength), resilience, flexibility, texture and the like.
The metallocene linear low-density polyethylene with a proper proportion is added, and the maleic anhydride grafted polypropylene (compatilizer) with a proper proportion is matched, so that the compatibility is good in the raw material system of the degradable hot air non-woven fabric, the hot air bonding performance and the flexibility of the degradable hot air non-woven fabric are mainly increased, and the comprehensive use performances of the mechanical properties (breaking strength and bursting strength), the rebound resilience, the flexibility, the texture and the like of the degradable hot air non-woven fabric are ensured.
The polylactic acid with a proper proportion is added, the maleic anhydride grafted polypropylene (compatilizer) with a proper proportion is matched, the compatibility with the polypropylene, the polymer of 2-methyl acrylate, 1, 3-butadiene and 2-acrylonitrile, the metallocene linear low-density polyethylene and the like is good, the polylactic acid and the maleic anhydride grafted polypropylene (compatilizer) are uniformly dispersed in the raw material system, the prepared degradable hot air non-woven fabric can be biodegraded, and the comprehensive use performances of the mechanical properties (breaking strength and bursting strength), resilience, softness, texture and the like of the degradable hot air non-woven fabric are ensured.
Adding an appropriate proportion of inorganic composite filler, wherein the inorganic composite filler is preferably a mixture of an antibacterial agent and an inorganic carrier, the antibacterial agent is preferably a mixture of nano silver and nano titanium dioxide, and the inorganic carrier is preferably a mixture of porous diatomite and silica porous ceramic powder. Wherein, the nano silver and the nano titanium dioxide are used as the composite antibacterial agent; the porous diatomite and the silicon dioxide porous ceramic powder are compounded with the inorganic carrier, so that the filler is reinforced, the antibacterial effect and the durability of the degradable hot-air non-woven fabric are improved, and the mechanical properties (breaking strength and bursting strength) of the degradable hot-air non-woven fabric are improved. And the moisture absorption and sweat releasing performance of the degradable hot-air non-woven fabric can be greatly improved by introducing the porous diatomite and silicon dioxide porous ceramic powder composite inorganic carrier.
The mass ratio of the nano silver to the nano titanium dioxide is preferably 1: (0.16-0.19), the mass ratio of the porous diatomite to the porous silica ceramic powder is preferably 1: (0.62-0.71). Therefore, the antibacterial effect and the durability of the antibacterial effect of the degradable hot-air non-woven fabric are better improved, and the mechanical properties (breaking strength and bursting strength) of the degradable hot-air non-woven fabric are better improved.
The granularity of the porous diatomite is preferably 100-200 meshes, and the granularity of the silicon dioxide porous ceramic powder is preferably 100-200 meshes. After the treatment in the step B, part of the nano silver and the nano titanium dioxide enter the internal pore structures of the porous diatomite and the porous silicon dioxide ceramic powder, so that the durability of the antibacterial effect of the degradable hot air non-woven fabric can be greatly improved.
The preparation method of the degradable hot-air non-woven fabric has simple process and simple and convenient operation, can adopt a hot-air process commonly used in the field, and saves manpower and equipment cost.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in connection with specific examples, which should not be construed as limiting the present patent.
The test methods or test methods described in the following examples are conventional methods unless otherwise specified; the reagents and materials, unless otherwise indicated, are conventionally obtained commercially or prepared by conventional methods.
Example 1:
the degradable hot air non-woven fabric is prepared from the following raw materials in parts by weight:
70-80 parts of polypropylene,
12-17 parts of polymer of 2-methyl acrylate, 1, 3-butadiene and 2-acrylonitrile,
7-10 parts of metallocene linear low-density polyethylene,
3-5 parts of maleic anhydride grafted polypropylene,
10-14 parts of polylactic acid,
4-6 parts of light calcium carbonate,
6-9 parts of inorganic composite filler.
In this embodiment, the degradable hot-air non-woven fabric is preferably, but not limited to, made of raw materials including the following parts by weight:
75 parts of polypropylene,
14.5 parts of a polymer of methyl 2-acrylate with 1, 3-butadiene and 2-acrylonitrile,
8.5 parts of metallocene linear low-density polyethylene,
4 parts of maleic anhydride grafted polypropylene,
12 parts of polylactic acid,
5 portions of light calcium carbonate,
7.5 parts of inorganic composite filler.
In this embodiment, the inorganic composite filler is preferably, but not limited to, a mixture of the antibacterial agent and the inorganic carrier, and the mass ratio of the antibacterial agent to the inorganic carrier is preferably, but not limited to, 1: (2.2-2.8).
In the present embodiment, the antibacterial agent is preferably, but not limited to, a mixture of nano silver and nano titanium dioxide; the inorganic carrier is preferably, but not limited to, a mixture of porous diatomaceous earth and silica porous ceramic powder.
In this embodiment, the mass ratio of the nano silver to the nano titanium dioxide in the mixture of the nano silver and the nano titanium dioxide is preferably, but not limited to, 1: (0.16-0.19); the mass ratio of the porous diatomite to the porous silica ceramic powder in the mixture of the porous diatomite and the porous silica ceramic powder is preferably, but not limited to, 1: (0.62-0.71).
In the embodiment, the particle size of the porous diatomite is preferably, but not limited to, 100-200 meshes; the particle size of the silicon dioxide porous ceramic powder is preferably, but not limited to, 100-200 meshes.
In this embodiment, the degradable hot-air non-woven fabric preferably, but not limited to, further comprises the following raw materials in parts by weight: anti-ultraviolet light agent: 2.5-4 parts.
In this embodiment, the anti-UV agent is preferably, but not limited to, the UV absorber UV-2908.
The embodiment also provides a preparation method of the degradable hot-air non-woven fabric, which comprises the following steps:
A. weighing the raw materials of the degradable hot-air non-woven fabric according to the parts by weight, and drying the raw materials respectively for later use;
B. adding porous diatomite and silica porous ceramic powder into a superfine grinder, then adding nano silver and nano titanium dioxide, grinding and dispersing uniformly until the particle sizes of the porous diatomite and the silica porous ceramic powder are more than or equal to 300 meshes, and obtaining an inorganic composite filler;
C. uniformly mixing the inorganic composite filler with polypropylene, a polymer of 2-methyl acrylate, 1, 3-butadiene and 2-acrylonitrile, metallocene linear low-density polyethylene, maleic anhydride grafted polypropylene, polylactic acid and light calcium carbonate to obtain a mixture;
D. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
E. the mixed melt enters a spinning machine, is sprayed out from a spinneret plate to form a strand silk, and then is subjected to air blowing cooling, oiling, stretching and winding to obtain a composite fiber;
F. after the composite fibers are carded into a net, the net is reinforced by a hot air process to prepare the degradable hot air non-woven fabric.
Example 2:
the degradable hot air non-woven fabric is prepared from the following raw materials in parts by weight:
70 parts of polypropylene,
12 parts of a polymer of methyl 2-acrylate, 1, 3-butadiene and 2-acrylonitrile,
7 parts of metallocene linear low-density polyethylene,
3 parts of maleic anhydride grafted polypropylene,
10 portions of polylactic acid,
4 portions of light calcium carbonate,
6 parts of inorganic composite filler.
In this embodiment, the inorganic composite filler is a mixture of an antibacterial agent and an inorganic carrier, and the mass ratio of the antibacterial agent to the inorganic carrier is 1: 2.2.
in the embodiment, the antibacterial agent is a mixture of nano silver and nano titanium dioxide; the inorganic carrier is a mixture of porous diatomite and silica porous ceramic powder.
In this embodiment, the mass ratio of the nano silver to the nano titanium dioxide in the mixture of the nano silver and the nano titanium dioxide is 1: 0.16; the mass ratio of the porous diatomite to the porous silica ceramic powder in the mixture of the porous diatomite and the porous silica ceramic powder is 1: 0.62.
in this example, the porous diatomaceous earth has a particle size of 100 mesh; the granularity of the silicon dioxide porous ceramic powder is 100 meshes.
In this embodiment, the degradable hot-air non-woven fabric further comprises the following raw materials in parts by weight: anti-ultraviolet light agent: 2.5 parts.
In this embodiment, the anti-UV agent is UV-2908, an ultraviolet absorber.
In this embodiment, the method for preparing the degradable hot-air non-woven fabric includes the following steps:
A. weighing the raw materials of the degradable hot-air non-woven fabric according to the parts by weight, and drying the raw materials respectively for later use;
B. adding porous diatomite and silica porous ceramic powder into a superfine grinder, then adding nano silver and nano titanium dioxide, grinding and dispersing uniformly until the particle sizes of the porous diatomite and the silica porous ceramic powder are more than or equal to 300 meshes, and obtaining an inorganic composite filler;
C. uniformly mixing the inorganic composite filler with polypropylene, a polymer of 2-methyl acrylate, 1, 3-butadiene and 2-acrylonitrile, metallocene linear low-density polyethylene, maleic anhydride grafted polypropylene, polylactic acid and light calcium carbonate to obtain a mixture;
D. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
E. the mixed melt enters a spinning machine, is sprayed out from a spinneret plate to form a strand silk, and then is subjected to air blowing cooling, oiling, stretching and winding to obtain a composite fiber;
F. after the composite fibers are carded into a net, the net is reinforced by a hot air process to prepare the degradable hot air non-woven fabric.
Example 3:
the degradable hot air non-woven fabric is prepared from the following raw materials in parts by weight:
80 parts of polypropylene,
17 parts of a polymer of methyl 2-acrylate, 1, 3-butadiene and 2-acrylonitrile,
10 portions of metallocene linear low-density polyethylene,
5 parts of maleic anhydride grafted polypropylene,
14 parts of polylactic acid,
6 portions of light calcium carbonate,
And 9 parts of inorganic composite filler.
In this embodiment, the inorganic composite filler is a mixture of an antibacterial agent and an inorganic carrier, and the mass ratio of the antibacterial agent to the inorganic carrier is 1: 2.8.
in the embodiment, the antibacterial agent is a mixture of nano silver and nano titanium dioxide; the inorganic carrier is a mixture of porous diatomite and silica porous ceramic powder.
In this embodiment, the mass ratio of the nano silver to the nano titanium dioxide in the mixture of the nano silver and the nano titanium dioxide is 1: 0.19; the mass ratio of the porous diatomite to the porous silica ceramic powder in the mixture of the porous diatomite and the porous silica ceramic powder is 1: 0.71.
in this example, the porous diatomaceous earth has a particle size of 200 mesh; the granularity of the silicon dioxide porous ceramic powder is 200 meshes.
In this embodiment, the degradable hot-air non-woven fabric further comprises the following raw materials in parts by weight: anti-ultraviolet light agent: 4 parts.
In this embodiment, the anti-UV agent is UV-2908, an ultraviolet absorber.
In this embodiment, the method for preparing the degradable hot-air non-woven fabric includes the following steps:
A. weighing the raw materials of the degradable hot-air non-woven fabric according to the parts by weight, and drying the raw materials respectively for later use;
B. adding porous diatomite and silica porous ceramic powder into a superfine grinder, then adding nano silver and nano titanium dioxide, grinding and dispersing uniformly until the particle sizes of the porous diatomite and the silica porous ceramic powder are more than or equal to 300 meshes, and obtaining an inorganic composite filler;
C. uniformly mixing the inorganic composite filler with polypropylene, a polymer of 2-methyl acrylate, 1, 3-butadiene and 2-acrylonitrile, metallocene linear low-density polyethylene, maleic anhydride grafted polypropylene, polylactic acid and light calcium carbonate to obtain a mixture;
D. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
E. the mixed melt enters a spinning machine, is sprayed out from a spinneret plate to form a strand silk, and then is subjected to air blowing cooling, oiling, stretching and winding to obtain a composite fiber;
F. after the composite fibers are carded into a net, the net is reinforced by a hot air process to prepare the degradable hot air non-woven fabric.
Example 4:
the degradable hot air non-woven fabric is prepared from the following raw materials in parts by weight:
75 parts of polypropylene,
14.5 parts of a polymer of methyl 2-acrylate with 1, 3-butadiene and 2-acrylonitrile,
8.5 parts of metallocene linear low-density polyethylene,
4 parts of maleic anhydride grafted polypropylene,
12 parts of polylactic acid,
5 portions of light calcium carbonate,
7.5 parts of inorganic composite filler.
In this embodiment, the inorganic composite filler is a mixture of an antibacterial agent and an inorganic carrier, and the mass ratio of the antibacterial agent to the inorganic carrier is 1: 2.5.
in the embodiment, the antibacterial agent is a mixture of nano silver and nano titanium dioxide; the inorganic carrier is a mixture of porous diatomite and silica porous ceramic powder.
In this embodiment, the mass ratio of the nano silver to the nano titanium dioxide in the mixture of the nano silver and the nano titanium dioxide is 1: 0.17; the mass ratio of the porous diatomite to the porous silica ceramic powder in the mixture of the porous diatomite and the porous silica ceramic powder is 1: 0.67.
in this example, the porous diatomaceous earth has a particle size of 150 mesh; the granularity of the silicon dioxide porous ceramic powder is 150 meshes.
In this embodiment, the degradable hot-air non-woven fabric further comprises the following raw materials in parts by weight: anti-ultraviolet light agent: 3.3 parts.
In this embodiment, the anti-UV agent is UV-2908, an ultraviolet absorber.
In this embodiment, the method for preparing the degradable hot-air non-woven fabric includes the following steps:
A. weighing the raw materials of the degradable hot-air non-woven fabric according to the parts by weight, and drying the raw materials respectively for later use;
B. adding porous diatomite and silica porous ceramic powder into a superfine grinder, then adding nano silver and nano titanium dioxide, grinding and dispersing uniformly until the particle sizes of the porous diatomite and the silica porous ceramic powder are more than or equal to 300 meshes, and obtaining an inorganic composite filler;
C. uniformly mixing the inorganic composite filler with polypropylene, a polymer of 2-methyl acrylate, 1, 3-butadiene and 2-acrylonitrile, metallocene linear low-density polyethylene, maleic anhydride grafted polypropylene, polylactic acid and light calcium carbonate to obtain a mixture;
D. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
E. the mixed melt enters a spinning machine, is sprayed out from a spinneret plate to form a strand silk, and then is subjected to air blowing cooling, oiling, stretching and winding to obtain a composite fiber;
F. after the composite fibers are carded into a net, the net is reinforced by a hot air process to prepare the degradable hot air non-woven fabric.
Comparative example 1:
the difference from example 4 is that there is no polymer of methyl 2-acrylate with 1, 3-butadiene and 2-acrylonitrile, and the other is the same as example 4.
Comparative example 2:
the difference from example 4 is that no inorganic composite filler is present, and the other is the same as example 4.
Comparative example 3:
the difference from example 4 is that there are no porous diatomaceous earth and silica porous ceramic powder, and the other is the same as example 4.
Comparative example 4:
the difference from the example 4 is that the nano silver is replaced by nano titanium dioxide, and the rest is the same as the example 4.
And (3) performance testing: the degradable hot-air non-woven fabrics obtained in examples 2 to 4 of the present invention and the hot-air non-woven fabrics obtained in comparative examples 1 to 4 were subjected to the same process (hot-air process) to prepare hot-air non-woven fabrics of the same specification, and the performance tests were performed, respectively, and the test results are shown in table 1.
TABLE 1
As can be seen from the table above, the degradable hot-air non-woven fabric has good and lasting antibacterial effect; high breaking strength and bursting strength and high durability.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.
Claims (9)
1. The degradable hot air non-woven fabric is characterized by being prepared from the following raw materials in parts by weight:
70-80 parts of polypropylene,
12-17 parts of polymer of 2-methyl acrylate, 1, 3-butadiene and 2-acrylonitrile,
7-10 parts of metallocene linear low-density polyethylene,
3-5 parts of maleic anhydride grafted polypropylene,
10-14 parts of polylactic acid,
4-6 parts of light calcium carbonate,
6-9 parts of inorganic composite filler.
2. The degradable hot air non-woven fabric according to claim 1, wherein the degradable hot air non-woven fabric is prepared from the following raw materials in parts by weight:
75 parts of polypropylene,
14.5 parts of a polymer of methyl 2-acrylate with 1, 3-butadiene and 2-acrylonitrile,
8.5 parts of metallocene linear low-density polyethylene,
4 parts of maleic anhydride grafted polypropylene,
12 parts of polylactic acid,
5 portions of light calcium carbonate,
7.5 parts of inorganic composite filler.
3. The degradable hot-air non-woven fabric according to any one of claims 1 or 2, wherein the inorganic composite filler is a mixture of an antibacterial agent and an inorganic carrier, and the mass ratio of the antibacterial agent to the inorganic carrier is 1: (2.2-2.8).
4. The degradable hot air non-woven fabric according to claim 3, wherein the antibacterial agent is a mixture of nano silver and nano titanium dioxide; the inorganic carrier is a mixture of porous diatomite and silica porous ceramic powder.
5. The degradable hot air non-woven fabric according to claim 4, wherein the mass ratio of the nano silver to the nano titanium dioxide in the mixture of the nano silver and the nano titanium dioxide is 1: (0.16-0.19); the mass ratio of the porous diatomite to the porous silica ceramic powder in the mixture of the porous diatomite and the porous silica ceramic powder is 1: (0.62-0.71).
6. The degradable hot air non-woven fabric according to claim 5, wherein the porous diatomite has a particle size of 100-200 meshes; the particle size of the silicon dioxide porous ceramic powder is 100-200 meshes.
7. The degradable hot air non-woven fabric according to claim 6, further comprising the following raw materials in parts by weight: anti-ultraviolet light agent: 2.5-4 parts.
8. The degradable hot air non-woven fabric according to claim 7, wherein the ultraviolet light resisting agent is an ultraviolet absorbent UV-2908.
9. The method for preparing the degradable hot air non-woven fabric according to any one of claims 4 to 8, which comprises the following steps:
A. weighing the raw materials of the degradable hot-air non-woven fabric according to the parts by weight, and drying the raw materials respectively for later use;
B. adding porous diatomite and silica porous ceramic powder into a superfine grinder, then adding nano silver and nano titanium dioxide, grinding and dispersing uniformly until the particle sizes of the porous diatomite and the silica porous ceramic powder are more than or equal to 300 meshes, and obtaining an inorganic composite filler;
C. uniformly mixing the inorganic composite filler with polypropylene, a polymer of 2-methyl acrylate, 1, 3-butadiene and 2-acrylonitrile, metallocene linear low-density polyethylene, maleic anhydride grafted polypropylene, polylactic acid and light calcium carbonate to obtain a mixture;
D. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
E. the mixed melt enters a spinning machine, is sprayed out from a spinneret plate to form a strand silk, and then is subjected to air blowing cooling, oiling, stretching and winding to obtain a composite fiber;
F. after the composite fibers are carded into a net, the net is reinforced by a hot air process to prepare the degradable hot air non-woven fabric.
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