CN113914135B - Completely degradable disposable paper special for insoles and preparation method thereof - Google Patents

Completely degradable disposable paper special for insoles and preparation method thereof Download PDF

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Publication number
CN113914135B
CN113914135B CN202111304150.8A CN202111304150A CN113914135B CN 113914135 B CN113914135 B CN 113914135B CN 202111304150 A CN202111304150 A CN 202111304150A CN 113914135 B CN113914135 B CN 113914135B
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China
Prior art keywords
antibacterial
salt
paper
zinc
sodium silicate
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CN202111304150.8A
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CN113914135A (en
Inventor
郭建文
孔鹏
刘敬存
李建民
郭庆凯
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Linyi Sanhe Biomass Technology Co ltd
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Linyi Sanhe Biomass Technology Co ltd
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/002—Tissue paper; Absorbent paper
    • D21H27/004—Tissue paper; Absorbent paper characterised by specific parameters
    • D21H27/005—Tissue paper; Absorbent paper characterised by specific parameters relating to physical or mechanical properties, e.g. tensile strength, stretch, softness
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/003—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined characterised by the material
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/10—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined specially adapted for sweaty feet; waterproof
    • A43B17/102—Moisture absorbing socks; Moisture dissipating socks
    • A43B17/105—Disposable
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/64—Alkaline compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/66—Salts, e.g. alums
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/675—Oxides, hydroxides or carbonates
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
    • D21H17/74—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic and inorganic material
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Pest Control & Pesticides (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Paper (AREA)

Abstract

The invention relates to a fully degradable disposable paper special for insoles and a preparation method thereof, and the steps are as follows: adding sodium silicate into a hydrothermal reaction kettle, sequentially adding water, aluminum salt, silver salt and zinc salt while stirring, adding lime milk and seed crystal after uniformly stirring, stirring and aging at a low speed at room temperature, and obtaining reaction slurry after hydrothermal reaction; regulating the pH of the reaction slurry by using weak acid, and centrifugally washing to obtain an antibacterial adsorption material filter cake; adding paper pulp and an auxiliary agent into the filter cake of the antibacterial adsorbing material, uniformly mixing, and preparing the paper special for the disposable insole according to a paper making process. According to the invention, the silver/zinc with an antibacterial function is loaded on the surface of the high-adsorbability porous material by adopting an in-situ synthesis method, so that the dispersibility and retention rate of the antibacterial component in a papermaking process are effectively improved, and an excellent antibacterial effect can be achieved without adding other organic antibacterial components; meanwhile, the water absorption is good, the antibacterial property is good, and the safety, sanitation and comfort are realized; and the pollution to the environment is also reduced.

Description

Completely degradable disposable paper special for insoles and preparation method thereof
Technical Field
The invention relates to a fully degradable disposable paper special for insoles and a preparation method thereof, belonging to the technical field of paper processing.
Background
The disposable insole is widely applied to occasions such as military training, hotel accommodations, fitting rooms and the like. The production process of disposable insoles with the moisture absorption function in the current market is to paste a water absorption core layer in cloth or non-woven fabric materials. The water absorption core layer is a layered structure formed by pure wood pulp and super absorbent resin, and can quickly absorb and store sweat and keep the shoes dry.
The non-woven fabric layer and the super absorbent resin in the disposable insole sold on the market at present are non-degradable materials, paper components in the non-woven fabric layer and the super absorbent resin are difficult to separate and recycle, and the disposable insole is discarded at will after use to pollute the environment, so that the disposable insole can only be used as garbage to be treated by incineration. And the commercial disposable insoles usually have no antibacterial function and can cause secondary pollution of bacteria and fungi.
Disclosure of Invention
Aiming at the problems, the invention provides the completely degradable disposable paper special for the insoles and the preparation method thereof, and the ration of the disposable paper special for the insoles is 150g/m 2 In the process, the transverse tensile index is more than or equal to 50N.m/g, the longitudinal tensile index is more than or equal to 100N.m/g, the longitudinal wet tensile strength is more than or equal to 150N/m, the tearing index is more than or equal to 8mN.m 2/g, the burst index is more than or equal to 5kPa.m 2/g, the folding resistance is more than or equal to 1000 times, and the antibacterial rate is more than or equal to 99%. The technical scheme of the invention is as follows:
a preparation method of completely degradable disposable paper special for insoles comprises the following steps:
(1) Adding sodium silicate into a hydrothermal reaction kettle, sequentially adding water, aluminum salt, silver salt and zinc salt under stirring, adding lime milk and seed crystal after stirring uniformly, stirring and aging at a low speed for 2 hours at room temperature, carrying out hydrothermal reaction at 90-95 ℃ for 3 hours, and cooling to room temperature to obtain reaction slurry with the solid content of 10-20%;
(2) Regulating the pH value of the reaction slurry obtained in the step (1) to 8-9 by using weak acid, and centrifugally washing for 3 times to obtain an antibacterial adsorption material filter cake with the solid content of 35-40%;
(3) And (3) taking 45-50 parts of the antibacterial adsorbing material filter cake obtained in the step (2) in absolute dry weight parts, putting the filter cake into a batching tank, adding 50-55 parts of paper pulp in absolute dry weight parts, taking 10-15 parts of auxiliaries in weight parts, uniformly mixing, and preparing the paper special for the disposable insole according to a paper making process.
The pulp additive consists of the following raw materials in percentage by weight: 1% of sodium hexametaphosphate, 0.5% of aluminum sulfate, 0.1% of polyacrylamide and 98.4% of wet strength agent;
preferably, the aluminum salt in step (1) is sodium aluminate or/and aluminum sulfate.
Preferably, the silver salt in step (1) is silver nitrate.
Preferably, the zinc salt in the step (1) is at least one of zinc chloride, zinc sulfate and zinc nitrate.
Preferably, the adding amount of the sodium silicate, the water, the aluminum salt, the silver salt, the zinc salt and the lime milk in the step (1) is as follows, in terms of molar ratio, from 1 to 300; more preferably, the addition amount of sodium silicate, water, aluminum salt, silver salt, zinc salt and lime milk is 1.
Preferably, the seed crystal in the step (1) is activated alumina, and the mass of the seed crystal is 5 to 30 percent of the sum of the mass of lime milk and the mass of sodium silicate; more preferably, the added mass of the seed crystal is 20% of the sum of the mass of the lime milk and the mass of the sodium silicate. More preferably, the average particle size of the activated alumina is less than or equal to 2um.
Preferably, the weak acid in step (2) is citric acid or acetic acid.
Preferably, the filter cake of the antibacterial adsorption material in the step (2) is in a dry powder state, and the specific surface area is 500-650m 2 The specific area is 5-10nm, the pore volume is 0.5-8um, the antibacterial rate is more than or equal to 99 percent, and the ammonia adsorption capacity is more than or equal to 0.1g/g.
Furthermore, the invention also comprises the disposable paper special for the insoles, which is obtained by the method.
Compared with the prior art, the invention has the following advantages:
according to the invention, the silver/zinc with an antibacterial function is loaded on the surface of the high-adsorbability porous material by adopting an in-situ synthesis method, so that the dispersity and retention rate of the antibacterial component in a papermaking process are effectively improved, and the excellent antibacterial effect can be achieved without adding other multi-organic antibacterial components. The mechanical property of the paper special for the disposable insole prepared by the technical schemes of the invention meets the use requirement of the disposable insole, and the paper can be used as the insole only by simple cutting or folding; the water absorption is good, sweat and peculiar smell generated by feet can be absorbed, the antibacterial property is good, and the foot bath lotion is safer, more sanitary and more comfortable; meanwhile, the raw materials do not contain non-degradable high molecular components, and can be directly recycled, so that the pollution to the environment is reduced.
Detailed Description
The invention will be further described with reference to specific embodiments, and the advantages and features of the invention will become apparent as the description proceeds. The examples are illustrative only and do not limit the scope of the present invention in any way. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications may be made without departing from the spirit and scope of the invention.
Example 1
A preparation method of completely degradable disposable insole special paper comprises the following steps:
(1) Adding sodium silicate into a hydrothermal reaction kettle, sequentially adding water, aluminum sulfate, silver nitrate and zinc sulfate under stirring, adding lime milk and seed crystal activated alumina after uniformly stirring, stirring and aging at a low speed for 2 hours at room temperature, carrying out hydrothermal reaction at 90 ℃ for 3 hours, and cooling to room temperature to obtain reaction slurry with the solid content of 10-20%; the adding amount of the sodium silicate, the water, the aluminum sulfate, the silver nitrate, the zinc sulfate and the lime milk is 1; the adding mass of the seed crystal is 20 percent of the sum of the mass of the lime milk and the mass of the sodium silicate;
(2) Regulating the pH value of the reaction slurry obtained in the step (1) to 8-9 by using weak acid, and centrifugally washing for 3 times to obtain an antibacterial adsorption material filter cake with the solid content of 38%;
(3) Taking 50 parts by weight of the antibacterial adsorption material filter cake obtained in the step (2) in absolute dry parts by weight, putting the filter cake into a batching tank, adding 50 parts by weight of paper pulp in absolute dry parts by weight, taking 15 parts by weight of auxiliary agent, uniformly mixing, and preparing the special paper for the disposable insole according to a paper making process;
the pulp additive consists of the following raw materials in percentage by weight: 1% of sodium hexametaphosphate, 0.5% of aluminum sulfate, 0.1% of polyacrylamide and 98.4% of wet strength agent;
the paper special for the disposable insole prepared in the example 1 is tested by performance and has the quantitative of 150g/m 2 Tensile index 56N.m/g, machine direction tensile index 113N.m/g, machine direction wet tensile strength 156N/mTear index 9.2mN.m 2 (g) breaking resistance is 5.9kPa.m 2 The folding strength is more than or equal to 1000 times, and the antibacterial rate is more than or equal to 99 percent.
Example 2
A preparation method of completely degradable disposable insole special paper comprises the following steps:
(1) Adding sodium silicate into a hydrothermal reaction kettle, sequentially adding water, aluminum sulfate, silver nitrate and zinc sulfate while stirring, adding lime milk and seed crystal activated alumina after uniformly stirring, stirring and aging at a low speed for 2 hours at room temperature, carrying out hydrothermal reaction at 95 ℃ for 3 hours, and cooling to room temperature to obtain reaction slurry; the adding amount of the sodium silicate, the water, the aluminum sulfate, the silver nitrate, the zinc sulfate and the lime milk is, in terms of molar ratio, 1; the adding mass of the seed crystal is 10 percent of the sum of the mass of the lime milk and the mass of the sodium silicate;
(2) Regulating the pH value of the reaction slurry obtained in the step (1) to 8-9 by using weak acid, and centrifugally washing for 3 times to obtain an antibacterial adsorption material filter cake with the solid content of 35%;
(3) Putting 46 parts of the antibacterial adsorption material filter cake obtained in the step (2) into a batching tank according to the absolute dry weight part, then adding 53 parts of paper pulp according to the absolute dry weight part, taking 11 parts of auxiliary agent according to the weight part, and uniformly mixing to prepare the special paper for the disposable insole according to a paper making process;
the pulp additive consists of the following raw materials in percentage by weight: 1% of sodium hexametaphosphate, 0.5% of aluminum sulfate, 0.1% of polyacrylamide and 98.4% of wet strength agent;
the paper special for the disposable insole prepared in the example 2 is tested by performance, and the quantitative is 150g/m 2 Tensile index 55N.m/g, machine direction tensile index 110N.m/g, machine direction wet tensile strength 153N/m, tear index 8.5mN.m 2 The/g and burst resistance mean 5.9kPa.m 2 The folding strength is more than or equal to 1000 times, and the antibacterial rate is more than or equal to 99 percent.
Example 3
A preparation method of completely degradable disposable paper special for insoles comprises the following steps:
(1) Adding sodium silicate into a hydrothermal reaction kettle, sequentially adding water, aluminum sulfate, silver nitrate and zinc sulfate while stirring, adding lime milk and seed crystal activated alumina after uniformly stirring, stirring and aging at a low speed for 2 hours at room temperature, carrying out hydrothermal reaction at 95 ℃ for 3 hours, and cooling to room temperature to obtain reaction slurry; the adding amount of the sodium silicate, the water, the aluminum sulfate, the silver nitrate, the zinc sulfate and the lime milk is 1; the adding mass of the seed crystal is 17% of the sum of the mass of the lime milk and the sodium silicate;
(2) Regulating the pH value of the reaction slurry obtained in the step (1) to 8-9 by using weak acid, and performing centrifugal washing for 3 times to obtain an antibacterial adsorbing material filter cake with the solid content of 40%;
(3) Taking 45 parts of the antibacterial adsorbing material filter cake obtained in the step (2) by absolute dry weight parts, putting the filter cake into a batching tank, adding 52 parts of paper pulp by absolute dry weight parts, taking 15 parts of auxiliary agent by weight, uniformly mixing, and preparing the paper special for the disposable insole by a paper making process;
the pulp additive consists of the following raw materials in percentage by weight: 1% of sodium hexametaphosphate, 0.5% of aluminum sulfate, 0.1% of polyacrylamide and 98.4% of wet strength agent;
the paper special for the disposable insole prepared in the example 3 is tested by performance and has the quantitative of 150g/m 2 Tensile index 52N.m/g, machine direction tensile index 111N.m/g, machine direction wet tensile strength 151N/m, tear index 8.1mN.m 2 The breaking resistance is 5.3kPa.m 2 G, folding endurance is more than or equal to 1000 times, and antibacterial rate is more than or equal to 99 percent.
Example 4
A preparation method of completely degradable disposable insole special paper comprises the following steps:
(1) Adding sodium silicate into a hydrothermal reaction kettle, sequentially adding water, aluminum sulfate, silver nitrate and zinc sulfate while stirring, adding lime milk and seed crystal activated alumina after uniformly stirring, stirring and aging at a low speed for 2 hours at room temperature, carrying out hydrothermal reaction at 95 ℃ for 3 hours, and cooling to room temperature to obtain reaction slurry; the adding amount of the sodium silicate, the water, the aluminum sulfate, the silver nitrate, the zinc sulfate and the lime milk is 1; the adding mass of the seed crystal is 25% of the sum of the mass of the lime milk and the mass of the sodium silicate;
(2) Regulating the pH value of the reaction slurry obtained in the step (1) to 8-9 by using weak acid, and centrifugally washing for 3 times to obtain an antibacterial adsorption material filter cake with the solid content of 39%;
(3) Taking 48 parts by weight of the antibacterial adsorption material filter cake in the step (2) in absolute dry parts by weight, putting the filter cake into a batching tank, adding 54 parts by weight of paper pulp in absolute dry parts by weight, taking 14 parts by weight of auxiliary agent, uniformly mixing, and preparing the special paper for the disposable insole according to a paper making process;
the pulp additive consists of the following raw materials in percentage by weight: 1% of sodium hexametaphosphate, 0.5% of aluminum sulfate, 0.1% of polyacrylamide and 98.4% of wet strength agent;
the paper special for disposable insoles prepared in example 4 was tested for performance and quantified to 150g/m 2 The tensile index is 55N.m/g, the longitudinal tensile index is 110N.m/g, the longitudinal wet tensile strength is 159N/m, the tearing index is 8.9mN.m 2/g, the bursting index is 5.9kPa.m 2/g, the folding endurance is more than or equal to 1000 times, and the antibacterial rate is more than or equal to 99 percent.

Claims (11)

1. A preparation method of completely degradable disposable paper special for insoles is characterized by comprising the following steps:
(1) Adding sodium silicate into a hydrothermal reaction kettle, sequentially adding water, aluminum salt, silver salt and zinc salt under stirring, adding lime milk and seed crystal after stirring uniformly, stirring and aging at a low speed for 2 hours at room temperature, carrying out hydrothermal reaction at 90-95 ℃ for 3 hours, and cooling to room temperature to obtain reaction slurry with the solid content of 10-20%;
(2) Regulating the pH value of the reaction slurry obtained in the step (1) to 8-9 by using weak acid, and performing centrifugal washing for 3 times to obtain an antibacterial adsorption material filter cake with the solid content of 35-40%;
(3) Taking 45-50 parts of the antibacterial adsorbing material filter cake obtained in the step (2) by absolute dry weight parts, putting the filter cake into a batching tank, adding 50-55 parts of paper pulp by absolute dry weight parts, taking 10-15 parts of auxiliaries by weight, uniformly mixing, and preparing the paper special for the disposable insole by a paper making process;
the pulp additive consists of the following raw materials in percentage by weight: 1% of sodium hexametaphosphate, 0.5% of aluminum sulfate, 0.1% of polyacrylamide and 98.4% of wet strength agent;
the adding amount of the sodium silicate, the water, the aluminum salt, the silver salt, the zinc salt and the lime milk in the step (1) is 1 to 0.05 to 0.1, and the adding amount of the sodium silicate, the water, the aluminum salt, the silver salt, the zinc salt and the lime milk is 0.05 to 0.15.
2. The method according to claim 1, wherein the aluminum salt in the step (1) is sodium aluminate or/and aluminum sulfate.
3. The method according to claim 1, wherein the silver salt in the step (1) is silver nitrate.
4. The method according to claim 1, wherein the zinc salt in step (1) is at least one of zinc chloride, zinc sulfate and zinc nitrate.
5. The preparation method according to claim 1, wherein the sodium silicate, water, aluminum salt, silver salt, zinc salt and lime milk in step (1) are added in a molar ratio of 1.
6. The preparation method according to claim 1, wherein the seed crystal in the step (1) is activated alumina, and the mass of the seed crystal is 5 to 30% of the sum of the mass of the lime milk and the mass of the sodium silicate.
7. The method according to claim 6, wherein the added mass of the seed crystal in the step (1) is 20% of the sum of the mass of the lime milk and the sodium silicate.
8. The method according to claim 6, wherein the average particle size of the activated alumina in the step (1) is not more than 2um.
9. The method according to claim 1, wherein the weak acid in the step (2) is citric acid or acetic acid.
10. The preparation method according to claim 1, wherein the filter cake of the antibacterial adsorbing material in the step (2) has a dry powder specific surface area of 500-650m 2 The specific area is 5-10nm, the pore volume is 0.5-8um, the antibacterial rate is more than or equal to 99 percent, and the ammonia adsorption capacity is more than or equal to 0.1g/g.
11. A completely degradable disposable paper for shoe insoles, which is obtained by the preparation method according to any one of claims 1 to 8.
CN202111304150.8A 2021-11-05 2021-11-05 Completely degradable disposable paper special for insoles and preparation method thereof Active CN113914135B (en)

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CN113914135B true CN113914135B (en) 2023-02-03

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100424264C (en) * 2002-01-28 2008-10-08 江阴比图特种纸板有限公司 Antibacterial paperboard as middle sole of shoe
CN1720801A (en) * 2004-07-12 2006-01-18 深圳市清华源兴生物医药科技有限公司 Silver carried bactericidal active carbon, its preparation process and application
US20090047363A1 (en) * 2005-03-30 2009-02-19 Kao Corporation Deodorant Antibacterial Fibrous Product
CN102273771A (en) * 2010-06-09 2011-12-14 中国制浆造纸研究院 Method for producing paper-core health care insole
CN107139296B (en) * 2017-05-27 2019-01-01 广西师范学院 The preparation method of antibacterial sisal hemp insole
CN108212075B (en) * 2018-01-19 2020-11-27 临沂三禾生物质科技有限公司 Preparation method of novel porous nano material capable of efficiently adsorbing and catalytically degrading formaldehyde

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