TW201838566A - Green straw - Google Patents

Abstract

The present invention discloses a straw including a tube which is formed of paper, a hydrophobicity material is coated on an inner or exterior surface of the tube.

Description

 Environmentally friendly straw  

The present invention relates to a straw, and in particular to an environmentally friendly straw.

At present, all straws are made of plastic, which is unfavorable to environmental protection, causing a large amount of pollution in the ocean and causing marine life. Based on the above disadvantages, the present invention is thus produced.

In one aspect, the present invention discloses a straw comprising a powder milled from paper, eggshell, shellfish or crustacean. Ceria and auxiliaries. The paper may contain cerium oxide, zinc oxide, glass fibers, glass, titanium dioxide, and mixtures thereof. The adjuvant may be selected from the following or a combination thereof: a coupling agent, a slip agent (dispersant), and an antistatic agent. The coupling agent may be β-(3,4-epoxycyclohexyl)ethyltrimethoxydecane; the slip agent may be N-oleyl palmitate; the antistatic agent may be N,N-bis(2- Hydroxyethyl)stearylamine and N,N-bis(2-hydroxyethyl)coconutamine.

The step of the present invention comprises preparing the base material from one or a combination of the following, such as an eggshell, shell or crustacean shell, which is a natural ingredient, does not damage the environment, and can reuse the waste. The step of the present invention comprises washing and grinding the base material described above from one or a combination of the following, such as an eggshell, shell or crustacean shell. It is preferred to grind the particles to a thickness of 0.1 micron to 10 microns, depending on the thickness of the paper desired. A paper substrate preparation method comprising: preparing a shell base material comprising one or any mixture selected from the group consisting of eggshells, shells or crustaceans; grinding the shell base material into particles; and grinding the particles and cerium oxide The auxiliaries mix and knead the granules, the cerium oxide and the auxiliaries to form a shaped substrate; and the shaped substrate is put into a molding device and the temperature is controlled to soften the row of substrates to facilitate molding.

An environmentally friendly straw comprises: a hollow tubular body, wherein the hollow tubular body comprises a paper component; and a hydrophobic material is coated on at least one or both of the inner and outer surfaces of the tubular body. Wherein the hollow tubular body further comprises ceria, glass, eggshell, shellfish, carapace, starch or any combination of the above. It also contains polymers. The environmentally-friendly straw, wherein the hydrophobic material comprises an alkane, an oil or a lipid. In another embodiment, the hydrophobic material comprises a lotus effect material. The lotus effect material comprises a nanopin film, wherein the lotus effect material comprises brucite-type cobalt (II) hydroxide.

An environmentally friendly straw comprising: a hollow tubular body, wherein the hollow tubular body comprises a paper component; a hydrophobic material coated on at least one or both of the inner and outer surfaces of the tubular body; wherein the hydrophobic material comprises an alkane or an oil , lipids, PP, PE or any combination of the above.

An environmentally-friendly straw comprises: a hollow tube body, wherein the hollow tube body comprises a paper component; a hydrophobic material, which is coated on at least one or both of the tube body and the outer surface; wherein the hydrophobic material comprises a lotus effect material Wherein the lotus effect material comprises a nanopin film and the nanopin film comprises brucite-type cobalt (II) hydroxide.

These and other advantages are apparent from the following description of the preferred embodiments of the invention and the appended claims.

110‧‧‧Prepared paper

120‧‧‧Adding natural enzymes

130‧‧‧Curl the paper into a tube

140‧‧‧Laminating

210‧‧‧Prepared starch

220‧‧‧ Fermentation produces lactic acid

230‧‧‧polymerized into original particles

240‧‧‧Formed into a hollow tube

The above-described elements, as well as other features and advantages of the present invention, will be more apparent from the reading of the embodiments and the drawings.

The second drawing is a schematic view of another preferred embodiment of the invention.

The invention will be described in detail with reference to the preferred embodiments and the accompanying drawings. It can also be widely applied in other embodiments. The invention is not limited to any embodiment, but should be determined by the scope of the appended claims and their equivalents.

Referring to the first figure, in one aspect, the present invention discloses a straw manufacturing method and a composition thereof. The invention is almost free of plastic.

The steps of the present invention comprise preparing paper (optionally added to glass fibers, resin), see step 110 of the first figure. After the process or after the pulp is completed, the natural enzyme or nano silver is added to facilitate sterilization after the product is completed, step 120.

The paper is crimped into a tube, and step 130, in order to facilitate the formation of airtightness, may be at least partially overlapped, preferably at least 20% of the surface area overlap, and in one embodiment two circles overlap. It can also be made by a pulp hot press molding machine, and the thickness is controlled by a hot press die.

Subsequently, in step 140, the inner and outer membranes may be coated with a water repellent (hydrophobic) membrane. For example, a hydrophobic material may be used, including an alkane, an oil, a fatty substance, or any combination of the above. In another embodiment, PP or PE can be used to increase the usability in the liquid. In another embodiment, a lotus effect can be utilized, based on which a biomimetic superhydrophobic substance, such as a nanopin film made by Nanotechnology, is utilized. When the contact angle of the cone material is sufficiently large, Cassie's law predicts the large contact angle value of the composite. This special nanofilm can use borosilicate glass as the main substrate and CoCl ₂ . A solution of 6H ₂ O or cobalt chloride hexahydrate in a chemical bath deposition at 60 ° C for 24 hours to form a composition having a layer of brucite-type cobalt (II) hydroxide Co. _1.13 Cl _0.09 (CO ₃ ) _0.39 .0.05 H ₂ 0. This step can be implemented before step 130. In one embodiment, coconut oil, palm oil, olive oil, bitter tea oil, linseed oil, or the like can be used. Coconut oil, olive oil, bitter tea oil, and linseed oil are rich in Omega-3. In addition, coconut oil is used in the prevention of cardiovascular diseases and dementia. Beeswax has a melting point between 62 and 64 degrees Celsius. The beeswax begins to change color when heated above 85 degrees Celsius. Its main components are palmitate, palmitoleate, hydroxypalmitate and long-chain fatty alcohols. Palm wax is a plant material, a vegetable wax, and an important non-petroleum wax.

In another embodiment, the extension molding can be utilized: that is, inflating with compressed air in the film tube, and depending on the thickness of the manufacturing, the rotation speed and the amount of extrusion are used to cause the paper tube to expand outward. The lateral and longitudinal extensions are followed, and the thickness adjustment and the extrusion volume of the extruder are selected in accordance with the requirements of the product thickness. The paper film is then separated. Subsequently, the surface of the paper film can be treated with a surface corona treatment machine as in the prior art, and a number of fine pores are formed on the surface by the corona discharge treatment, so that the surface has a better adhesion when coated. The thickness of the environmentally friendly paper can be controlled between 30 microns and 150 microns in the process. The above base material, silicone rubber and auxiliary agent are mixed, extruded and mixed into a pellet, and put into a molding machine for forming. Some papers need to be surface coated to make a matte or glossy surface. The surface coating may be an oil coating liquid. It can also be produced by a pulp hot press molding machine.

In order to improve the toughness of the straw only, an appropriate amount of titanium dioxide, cerium oxide, a polymer material such as polypropylene, polyethylene, and an auxiliary agent may be added, and the mixture is mixed and extruded to form granules, which are put into a manufacturing machine for production adjustment to produce 20 micrometers and 55 micron paper substrate. The shaped substrate is placed in a molding apparatus and the temperature is controlled to soften the row of substrates to facilitate molding.

In another embodiment, part or all of the pulp may be replaced by an eggshell, a shell or a crustacean, and a straw substrate preparation method comprising the preparation base material comprising one or any mixture selected from the group consisting of an eggshell, a shell or a crust; The shell-based material is ground into particles; the above-mentioned ground particles, cerium oxide, polymer materials and auxiliary agents are mixed and mixed, and the particles, the cerium oxide, the polymer and the auxiliary agent are used to form a shaped substrate; And molding the substrate into a molding device and controlling the temperature to soften the row of substrates to facilitate molding. The cerium oxide is selected from the group consisting of silicone rubber, glass, or any combination. Wherein the shell base material comprises 28 to 35 wt% of eggshells, shellfish or crustaceans; wherein the ceria comprises from 25 to 30% by weight; wherein the adjuvant comprises from 1 to 2% by weight; the high score material comprises 28 Up to 38% by weight. The auxiliary agent may be selected from the following or a combination thereof: a coupling agent, a dispersing agent, and an antistatic agent; and the polymer may be selected from the following or a combination thereof: polyethylene, polypropylene, polycarbonate, polymethacrylic acid. Methyl ester.

In another embodiment, the coated film may be a polylactic acid which is formed by fermentation and polymerization, and may be a poly-D lactic acid, a poly-L-lactic acid or a poly-DL-type lactic acid.

For another embodiment, please refer to the second figure, and a method for manufacturing an environmentally-friendly straw comprises: preparing starch as a straw material (210); fermenting the straw material to produce lactic acid (220); and fermenting the lactic acid into a raw pellet (230); The original pellets are placed in a molding machine to form a hollow tubular body (240). The starch raw material further comprises any combination of bamboo, corn stem, wheat stem, rice stem, orange stem, coffee grounds, bagasse or any combination thereof. The material of the straw further comprises cellulose, and the environmentally-friendly straw comprises poly-type lactic acid (PDLA type), poly-L type lactic acid (PLLA type), poly-DL type lactic acid or any combination of the above, which can improve heat resistance. Poly L-type lactic acid mixed with poly-D-type lactic acid can raise the melting point, which is about 50 degrees C higher than that of pure L-type lactic acid or poly-D-type lactic acid. Decreasing the D-type lactic acid content in the poly-DL type lactic acid can increase the crystallinity, and the heat-resistant temperature thereof can be increased accordingly, and can reach 90 to 120.

Natural enzymes or nanosilver may be added during, before or after the forming step 240 to facilitate sterilization after completion of the article.

The polylactic acid raw material is derived from corn, wheat, sweet potato and other crops, and includes corn stems, wheat stems, rice stems, bagasse, and the like. The starch is completely extracted from the plant material, and after being fermented, polymerized, etc., it can be completely decomposed by the microorganisms to finally form carbon dioxide and water. Mixing two types of poly-D-lactic acid and poly-L-type lactic acid in a specific ratio can make the material properties of polylactic acid stronger and longer. In another embodiment, the poly-type D-lactic acid (PDLA type) and the poly-L-type lactic acid (PLLA type) may be obtained from a poly-D-type lactic acid (PDLA type) and a poly-L-type lactic acid (PLLA type) resin. The polylactic acid was mixed and mixed with a nucleating agent or glass fiber, and molded by a molding apparatus.

An environmentally friendly straw comprises a hollow tube body comprising starch and fibers distributed in a hollow tube body; wherein the starch and fiber are taken from paper (fiber), corn stem, wheat stem, rice stem, coffee ground, bagasse, potato Any combination of one or more. Composed of starch or thermoplastic starch (TPS) with different physical or chemical properties. The main materials are potato starch, paper fiber (raw pulp) and additives, and the products are produced by an injection molding process. The composition of the starch is about 60 to 70%, the paper fiber is 30 to 20%, and the rest is an additive having a biodegradable product.

The present invention has been described above by way of a preferred example, and is not intended to limit the spirit of the invention. Modifications and similar configurations made within the spirit and scope of the invention are intended to be included within the scope of the appended claims.

Claims (10)

 An environmentally-friendly straw comprising: a hollow tube body, wherein the hollow tube body comprises a paper component; a coating material applied to at least one or both of the tube body and the outer surface, wherein the coating material comprises an alkane or an oil Any combination of fat, wax, lotus effect material, polylactic acid or more.    The environmentally-friendly straw of claim 1, wherein the hollow body further comprises glass fibers.    The environmentally-friendly straw according to claim 1 or 2, which further comprises natural enzyme or nano silver.    The environmentally-friendly straw according to claim 1, wherein the lotus effect material comprises brucite-type cobalt (II) hydroxide.    The environmentally-friendly straw according to claim 1, wherein the polylactic acid comprises a mixture of poly-D-lactic acid and poly-L-lactic acid.    The environmentally-friendly straw of claim 5, wherein the poly-D-type lactic acid is less than the poly-L-lactic acid.    An environmentally-friendly straw comprises: a hollow tube body, wherein the hollow tube body comprises a polylactic acid component; wherein the polylactic acid comprises a mixture of poly-D-lactic acid and poly-L-lactic acid.    The environmentally-friendly straw of claim 7, wherein the poly-D-type lactic acid is less than the poly-L-lactic acid.    The environmentally-friendly straw according to claim 7, which further comprises poly-DL type lactic acid.    The environmentally-friendly straw according to claim 7 or 8 or 9, which comprises natural enzyme or nano silver.