TWI504423B - Outdoor pad and production method therefor - Google Patents

Description

Outdoor mat and its preparation method

The invention relates to the manufacture and structure of an outdoor cushion body, in particular to a method for manufacturing an outdoor cushion containing an inner core shell powder and an outdoor inflatable cushion.

At present, outdoor mats occupy a very important market position in the outdoor products market, and it is known that annual sales volume continues to grow year by year. The common outdoor pad structure forms on the market are divided into two categories, which are divided into pure air tube inflatable type or internal filled PU foam type.

The traditional camping sleeping mat is made of tin foil or foam. However, the conventional camping sleeping mat has insufficient thickness and has a limited moisture barrier effect. The most important function of the outdoor inflatable cushion is to isolate the two functions of moisture (ground gas) and heat preservation. The outdoor inflatable cushion uses air to isolate moisture and produce lying elastic effect, and the outdoor inflatable cushion is used for outgassing. It is also small in size, easy to carry and light in weight, so the outdoor inflatable cushion has become the most comfortable product for outdoor activities and camping.

However, due to the rapid changes in climate and the wide variety of outdoor environments, there is currently no antibacterial, deodorant and thermal sensation function for outdoor inflatable cushions. If It is the air that enters the air cushion of the inflatable cushion or the foam inside the seal. Not only is moisture difficult to remove, but it will start to produce odor with temperature and time, which will not only form a hotbed of bacteria, but also difficult to clean and Deodorization. Therefore, a technique for achieving an antibacterial and deodorizing effect by using a silver-containing cloth has appeared on the market. Although it has been described in the Republic of China Patent No. I309266, this conventional technique emphasizes that the mixing of nano silver particles into the antibacterial spinning oil agent is sprayed into the porous fiber; however, it is difficult to deposit nano silver particles in the porous fiber by conventional techniques. In the pores of the fiber, the nano silver particles of the conventional technology are easily peeled off.

If it can develop outdoor mats that are not easy to fall off, and have better sealing, moisture resistance, heat sensitivity, antibacterial and odor absorption, and meet internationally relevant test standards, it is expected to be the market pole in the future. A competitive new product.

Therefore, one embodiment of a method aspect of the present invention is a method for preparing an outdoor mat, which comprises the following steps: a porous core shell powder refining step, a porous core shell powder surface treatment step, and a silver-containing porous core shell particle. Preparation step, base cloth preparation step, composite film preparation step and filling space preparation step. Through the foregoing steps, the present invention can form a composite film on the surface of the base fabric of the outdoor mat, the composite film is internally dispersed with a plurality of silver-containing porous core-shell particles, and each of the silver-containing porous core-shell particles is composed of a porous core shell powder. The surface of the body is covered with most nano silver particles and most silver ions. Therefore, the composite film of the present embodiment can be used to strengthen the sealing effect of the filler or the gas chamber, and the silver-containing porous core-shell particles have the functions of heat, antibacterial and odor absorption, and can be effective. Avoid the problem of moldy bacteria and stinky inside the outdoor pad.

An embodiment of the foregoing embodiment of the present invention is a method for preparing an outdoor pad, comprising the steps of: refining a porous core-shell powder, and refining the plurality of porous core-shell powders to a sub-micron size of less than 900 nm by wet grinding . In the surface treatment step of the porous core shell powder, the porous core shell is first surface treated with an alkaline solution of a predetermined concentration, so that the number of hydroxyl groups on the surface of the porous core shell powder is large and uniform. a silver-containing porous core-shell particle preparation step, the core shell powder is added with a quantitative coupling agent and a plurality of nano-silver particles, and a mixture of quantitative silver nitrate and a quantitative reducing agent is added to generate a majority of silver ions, so that the nano silver particles and the silver ions are coated On the surface of the porous core-shell powder, a plurality of silver-containing porous core-shell particles are formed. The base fabric preparation step is to weave a base fabric for an outdoor mat. In the preparation step of the composite film, the silver-containing porous core-shell particles are added to the plastic and the solvent, stirred and defoamed, and then bonded to the surface of the base fabric to form a composite film. The filling space preparation step uses a base fabric with a composite film to seal to form a filling space, and fills the filling space with a metered gas, a metered liquid or at least one solid. According to the foregoing embodiment, the surface treatment step of the porous core shell powder increases the number and uniformity of the hydroxyl groups on the surface of the porous core shell powder, so as to enhance the quantity and uniformity of the adsorption of the silver nanoparticles and the silver ions, and The rice silver particles and silver ions are deposited in the fine pores of the porous core-shell powder. And the composite film and the base cloth effectively seal the filling space.

Other embodiments and data of the foregoing embodiments of the present invention are as follows: The porous core shell powder may be a coconut shell powder or a bamboo carbon powder. The preparation step of the silver-containing porous core-shell particles may include: a first solution preparation step, a second solution preparation step, and a mixing step; and the first solution preparation step is to add a quantitative amount of ruthenium The alkane coupling agent and the core-shell powder are first oscillated and dispersed, and then mixed with the nano silver particles; the second solution preparation step is mixing the quantitative glycerin reducing agent with the quantitative polyurethane, adding silver nitrate for stirring; mixing step Then, after mixing the first solution and the second solution, a quantitative amount of sodium borohydride is gradually added to reduce silver nitrate to silver ions. In addition, in the first solution preparation step, the decane coupling agent and the core-shell powder may be subjected to ultrasonic vibration dispersion for 2 hours, followed by mixing of the silver nanoparticles to perform ultrasonic vibration dispersion for 1 hour. The second solution preparation step may be carried out by stirring and mixing the glycerin reducing agent with the polyurethane at a temperature of 150 ° C for 1 hour, adding silver nitrate and stirring the magnet for 1 hour at a temperature of 150 ° C. In the mixing step, the first solution and the second solution may be mixed, and the magnet is stirred and mixed at a temperature of 150 ° C for 3 hours, and then sodium borohydride is gradually added to reduce the silver nitrate.

One embodiment of a structural aspect of the present invention is an outdoor mat that can form a better seal outside the filling space to prevent moisture intrusion. The silver-containing porous core-shell particles in the composite film also have the functions of thermal sensation, antibacterial property and odor absorption, and can effectively avoid the problem of moldy bacteria and odor in the outdoor outdoor pad. In addition, the nano silver particles added in the preparation step of the silver-containing porous core-shell particles are prepared by spectrophotometer and particle size analyzer, and then prepared by using different solvent ratios and reducing agent concentrations.

One embodiment of the foregoing outdoor pad structure embodiment is an outdoor inflatable cushion, and the embodiment is made by applying the foregoing method. The outdoor inflatable cushion of this embodiment comprises a base fabric, a composite film and a preset filling. body. The base fabric will seal the package to form a filling space. The composite film is composed of a plurality of silver-containing porous core-shell particles uniformly dispersed in a plastic, and the composite film is coated. On the base fabric. The preset filler is filled in the filling space. Thereby, the plastic of the composite film can strengthen the sealing of the filling body in the filling space, and the silver-containing porous core-shell particles have the functions of heat, antibacterial and odor absorption, and can effectively avoid the problem of moldy bacteria and odor of the preset filling body. .

Other embodiments of the structural embodiments of the present invention are described below. The composite film can be coated with a plurality of layers on the base fabric. The composite film can be coated on the inner and outer surfaces of the base fabric. The predetermined filling body in the filling space in the foregoing embodiment may be a metered gas, a metered liquid or at least one solid. The aforementioned solid may be foam, sponge or wood chips.

100‧‧‧ Porous core shell powder refining steps

200‧‧‧ Porous core shell powder surface treatment steps

300‧‧‧ Preparation steps for silver-containing porous core-shell particles

310‧‧‧First solution preparation steps

320‧‧‧Second solution preparation steps

330‧‧‧Mixed steps

400‧‧‧Kibu preparation steps

500‧‧‧Composite film preparation steps

600‧‧‧fill space preparation steps

700‧‧‧Kib

701‧‧‧filled space

710‧‧‧Composite film

711‧‧ Plastics

712‧‧‧ Silver-containing porous core-shell particles

720‧‧•foam filler

730‧‧‧ gas

1 is a schematic view showing a step of an embodiment of the method of the present invention; and FIG. 2 is a schematic view showing the steps of preparing a silver-containing porous core-shell particle according to another embodiment of the method of the present invention; A cross-sectional view showing one embodiment of the structural aspect of the present invention; and a fourth cross-sectional view showing another embodiment of the structural aspect of the present invention.

First, please refer to the step diagram of one embodiment of the method aspect shown in FIG. 1 of the present invention and the preparation step of the silver-containing porous core shell particle of FIG. The porous core-shell powder refining step 100, the porous core-shell powder surface treatment step 200, the silver-containing porous core-shell particle preparation step 300, the base fabric preparation step 400, the composite film preparation step 500, and the filling space are combined with the step of the present invention. Preparation step The basic data, and the various data and conditional requirements in this embodiment, which are sufficient to clarify and provide the technology to implement the present invention.

The porous core shell powder refining step 100 is performed by wet grinding using coconut shell powder or bamboo carbon powder, and the wet grinding is performed by wet ball milling and bead milling for 6, 8 and 10 hours respectively, and the coconut shell powder is used. The body or bamboo carbon powder is refined into a submicron-sized porous core-shell powder. In addition, the optimum grinding time is selected by the particle size distribution and size before grinding, and the particle size analysis can be performed after grinding to obtain a porous core. The appropriate particle size of the shell powder (D50 ≦ 900 nm).

The porous core shell powder surface treatment step 200, the porous core shell is first treated with a preset concentration of sodium hydroxide (alkaline solution), so that the surface of the porous core shell powder has a large number of hydroxyl groups and uniform .

The silver-containing porous core-shell particle preparation step 300 includes: a first solution preparation step 310, a second solution preparation step 320, and a mixing step 330; and the first solution preparation step 310 is adding a quantitative amount of 3-aminopropyltrimethoxymethane ( The APTES coupling agent and the core-shell powder were subjected to ultrasonic vibration dispersion for 2 hours, and then mixed with nano silver particles for 1 hour of ultrasonic shock dispersion. The second solution preparation step 320 is performed by magnet stirring and mixing the glycerin reducing agent with the polyurethane at a temperature of 150 ° C for 1 hour, then adding silver nitrate and stirring the magnet for 1 hour at a temperature of 150 ° C. In the mixing step 330, the first solution and the second solution are mixed, and then the magnet is stirred and mixed at a temperature of 150 ° C for 3 hours, and then the sodium borohydride is gradually added to reduce the silver nitrate to silver ions, at which time the silver ions are directly in the core-shell powder. The surface is reduced, and the reduction process contains a large amount of nano silver particles. The silver-silver particles and silver ions are deposited in the fine pores of the porous core-shell powder to form a plurality of silver-containing porous core-shell particles. During the process of this step, the operator should observe the surface morphology of the silver-containing porous core-shell particles by means of a transmission electron microscope (TEM), and perform elemental analysis on the silver-containing porous core-shell particles by energy dispersive spectroscopy (EDS). It can be confirmed that nano silver and silver ions have been successfully reduced in the pores of the surface of the silver-containing porous core-shell particles, and it is not easy to fall off.

The base fabric preparation step 400 is to weave a base fabric for an outdoor mat. The base fabric may be a woven fabric, a knitted fabric or an integrally formed fabric. In this embodiment, a thermal polyester woven fabric is used.

The composite film preparation step 500 first performs dispersion treatment on a plurality of silver-containing porous core-shell particles. The pre-treated silver-containing porous core-shell particles are mixed with a plastic and a solvent, and then stirred for 30 minutes in a certain ratio with a planetary defoaming machine, and then metered and added. The defoaming is then carried out with a planetary defoamer. Finally, the raw material is applied to the surface of the base fabric to form a composite film.

The filling space preparation step 600 is performed by using a base fabric with a composite film to form a filling space. The sealing technique may be performed by stitching, gluing or thermocompression; and filling the filling space with a metered gas, a metered liquid or at least one solid. The outdoor pad produced by the above steps has at least one composite film outside the filling space, and the composite film has both enhanced sealing, thermal sensation and antibacterial and deodorizing performance.

Referring to the cross-sectional view of the embodiment of FIG. 3, the outdoor inflatable cushion of this embodiment comprises a base fabric 700, a composite film 710 and a foam filler 720. The base fabric 700 will seal the package to form a fill space 701. The composite film 710 contains plastic 711 and uniformly spreads most of the silver-containing porous core shell particles. Sub-712, and composite film 710 is completely coated on the outer surface of the base fabric 700. The metered gas 730 and the foam filler 720 are filled in the filling space 701. Thereby, the plastic 711 of the composite film 710 can increase the sealing and moisture resistance of the base fabric 700 to the filling space 701, effectively avoid the moisture of the gas 730 and the foam filling body 720, and the silver-containing porous core-shell particles 712 have both thermal and antibacterial properties. The property and the odor absorption function can effectively avoid the problem of mildew and odor of the base fabric 700, the gas 730 and the foam filler 720. In addition, the overall size of the outdoor inflatable cushion of the present embodiment is evaluated by about 183 cm long by 51 cm wide by 2.5 cm thick; the lightweight design of the total weight can be about 680 g (excluding the storage bag), which is really convenient for carrying and storing. The product.

Another structural embodiment of the present invention will be described later in conjunction with FIG. The composite film 710 can be simultaneously coated on the inner and outer surfaces of the base fabric 700. This not only strengthens the air-tight moisture-proof effect of his outdoor pad, but also increases the thermal, antibacterial and odor-absorbing functions.

The overall size of the present invention is evaluated by an approximate length of 183 cm x a width of 51 cm x a thickness of 2.5 cm, wherein the quality metrics and test standards of the composite film 710 are as follows:

While the present invention has been disclosed in the above embodiments, it is not intended to limit the invention, and the invention may be modified and modified in various ways without departing from the spirit and scope of the invention. The scope is subject to the definition of the scope of the patent application.

100‧‧‧ Porous core shell powder refining steps

200‧‧‧ Porous core shell powder surface treatment steps

300‧‧‧ Preparation steps for silver-containing porous core-shell particles

400‧‧‧Kibu preparation steps

500‧‧‧Composite film preparation steps

600‧‧‧fill space preparation steps

Claims (11)

The invention relates to a method for preparing an outdoor pad, comprising the steps of: refining a porous core-shell powder, refining a plurality of porous core-shell powders to a sub-micron order of less than 900 nm by wet grinding; and a surface treatment step of the porous core-shell powder, The porous core shells are first surface treated with an alkaline solution of a predetermined concentration to make the surface of the porous core shell powder have a large number of uniform hydroxyl groups; and the steps of preparing the silver-containing porous core shell particles, the cores The shell powder is added with a quantitative coupling agent and a plurality of nano silver particles, and a mixture of quantitative silver nitrate and a quantitative reducing agent is added to generate a majority of silver ions, so that the nano silver particles and the silver ions are coated on the porous core shell powder. The surface of the body forms a plurality of silver-containing porous core-shell particles; the base fabric preparation step is to weave a base fabric for an outdoor mat; the composite film preparation step, the silver-containing porous core-shell particles are added to the plastic and the solvent, and then stirred and defoamed, and then pasted Forming a composite film on the surface of the base fabric; and filling a space preparation step, sealing the base space with the base film to form a filling space, and filling the filling space with a quantitative gas and a quantitative liquid Or at least a solid. The method for preparing an outdoor mat according to claim 1, wherein the porous core shell powder is made of coconut shell powder or bamboo carbon powder. The method for preparing an outdoor mat according to claim 1, wherein the silver-containing porous core-shell particle preparation step comprises: a first solution preparation step, adding a quantitative decane coupling agent and the core-shell powder after first oscillating and dispersing And mixing the nano silver particles; a second solution preparation step, mixing and quantifying the glycerol reducing agent with the quantitative polyurethane, adding the silver nitrate for stirring; and mixing step, mixing the first solution and the second solution, and gradually adding the quantitative sodium borohydride The silver nitrate is reduced to form the silver ions, and the nano silver particles and the silver ions are coated with the core shell powder to form a plurality of silver-containing porous core-shell particles. The method for preparing an outdoor mat according to claim 3, wherein in the first solution preparation step, the decane coupling agent and the core-shell powder are subjected to ultrasonic vibration dispersion for 2 hours, followed by mixing the nanoparticles. The silver particles were then subjected to ultrasonic oscillation for 1 hour. The method for preparing an outdoor mat according to claim 3, wherein, in the second solution preparation step, the glycerin reducing agent and the polyurethane are stirred and mixed for 1 hour at a temperature of 150 ° C for 1 hour. The silver nitrate was added and the magnet was stirred and mixed at a temperature of 150 ° C for 1 hour. The method for preparing an outdoor mat according to claim 3, wherein in the mixing step, the first solution and the second solution are mixed, and then the magnet is stirred and mixed at a temperature of 150 ° C for 3 hours, and then the sodium borohydride is gradually added. The silver nitrate was reduced. The method for preparing an outdoor mat according to claim 1, wherein the nano silver particles added in the silver-containing porous core-shell particle preparation step are analyzed by a spectrophotometer and a particle size analyzer, and different solvents are selected. The ratio is prepared with the reducing agent concentration. The method for preparing an outdoor mat according to claim 1, wherein the porous core shell powder refining step is performed by wet ball milling and bead milling, respectively, for 6 to 10 hours, and the core shell powder is refined to Submicron-sized core-shell powders less than 900 nm. An outdoor inflatable cushion made by the method of claim 1, comprising: a base fabric sealed to form a filling space; and a composite film which is formed by uniformly distributing a plurality of silver-containing porous core-shell particles in a plastic. And the composite film is coated on the base fabric; and a predetermined filling body is filled in the filling space. The outdoor inflatable cushion according to claim 9, wherein the composite film is coated with a plurality of layers on the base fabric. The outdoor inflatable cushion according to claim 9, wherein the composite film is coated on the inner and outer surfaces of the base fabric.