KR100271328B1 - A composition of polyester resin for injection molding and production method of vessel utilizing thereof - Google Patents

Abstract

PURPOSE: A polyester resin composition for extrusion-molding process is provided for obtaining high heat-insulation effect and excellent protection ability to electromagnetic wave as well as efficiently removing bad smell or deodorizing by adding powdered plutonic granite components in desired composition into the polyester resin. CONSTITUTION: The polyester resin composition for extrusion-molding process having high heat-insulation effect and excellent electromagnetic wave protection ability as well as deodorization effect preferable to use in the production of receptacles comprises at least one of the plutonic granite compounds selected from one containing SiO2 79.76 wt.%, Al2O3 9.87 wt.%, Fe2O3 0.21 wt.%, K2O 3.79 wt.%, Na2O 2.81 wt.%, CaO 1.59 wt.%, MgO 0.86 wt.%, and 1.11 wt.% of other components including germanium 0.5-2ppm; one containing SiO2 73.41 wt.%, Al2O3 14.56 wt.%, Fe2O3 1.13 wt.%, K2O 4.13 wt.%, Na2O 2.48 wt.%, CaO 2.28 wt.%, MgO 0.72 wt.%, and 1.29 wt.% of other components including germanium 0.5-2ppm; and the other containing SiO2 73.53 wt.%, Al2O3 12.52 wt.%, Fe2O3 4.76 wt.%, K2O 3.78 wt.%, Na2O 2.07 wt.%, CaO 1.56 wt.%, MgO 0.51 wt.%, and 1.27 wt.% of other components including germanium 0.5-2ppm together with the polyester resin capable of being extrusion-molded.

Description

Polyester resin composition for extrusion molding and a method for producing a container using the same

The present invention relates to a polyester resin composition for extrusion molding and a method for producing a container using the same, more specifically Si0 ₂ 79.76wt%, Al ₂ O ₃ 9.87wt%, Fe ₂ O ₃ 0.21wt%, K ₂ 0.79wt%, Na ₂ 0 2.81wt%, CaO 1.59wt%, MgO 0.86wt% and other trace components 1.11wt% including germanium 0.5-2ppm, deep granite, Si0 ₂ 73.41wt%, Al ₂ 0 ₃ 14.56 wt%, Fe ₂ 0 ₃ 1.13 wt%, K ₂ 0 4.13 wt%, Na ₂ 0 2.48 wt%, Ca0 2.28 wt%, Mg0 0.72 wt% and other trace components including germanium 0.5 to 2 ppm 1.29 Wt% Aromatic granite, SiO ₂ 73.53wt%, Al ₂ O ₃ 12.52wt%, Fe ₂ O ₃ 4.76wt%, K ₂ O 3.78wt%, Na ₂ O 2.07wt%, CaO 1.56wt%, MgO 0.51wt One or more deep granite powders of deep granite composed of 1.27Wt% of other trace components including 0.5% and 2 ppm of germanium are powdered into particles having a particle size of at least 325 mesh, and then heated to 705 ° C or 1350 ° C To keep for more than a minute After the treatment, 10 to 60 Wt% of polyester resin, in particular polyethylene terephthalate resin, is added to obtain an extruded polyester resin composition, and the composition is mixed so that each component is homogeneous, and the temperature of 120 ° C. is extruded. The present invention relates to an extrusion molding polyester resin composition characterized in that an extrusion molding force is obtained by melting and extruding a polyester chip into a container in a known extrusion molding machine, and a method for producing a container using the same.

In general, polyester resins have excellent mechanical and chemical properties and are widely used in fibers, bottles, engineering plastics, films, and sheets. In particular, high molecular weight polyester resins having an intrinsic viscosity of more than 0.7d1 / gr have been widely used in various carbonated beverages, cosmetics, and medicine bottles through injection blowing processes. After making the parison as a molded article, the secondary parison is heated and blown, which is mainly used as a pressurized container containing carbonated beverages due to the firmness of the manufactured article.

In addition, various types of polyester resins and compositions thereof that can be molded by extrusion blow molding suitable for non-pressurized container molding, that is, by direct blowing without making a parison have been developed and commercialized.

Meanwhile, many studies have been conducted on polyester resins and compositions thereof for imparting various functionalities to polyester resin containers, but the deepening granite components mixed with polyester radiation and atmospheric moisture and extremely small amounts of residual moisture Molecular structure of the reciprocal resonance effect the effective absorption of the heat source of the air, and reaches the maximum absorption of energy in the wavelength range of 4 ~ 25μ not only can obtain the cold and warming effect, but also the deep granite blocks the electromagnetic wave Polyester resin composition and polyester resin container that expresses the functions of deodorization and deodorization, and the effect of far infrared rays emitted by the deep granite component itself reflects harmful rays such as ultraviolet rays to protect the material inside the container. There was no study and description for.

Therefore, the object of the present invention is excellent in the effect of cold protection, thermal insulation, not only the electromagnetic wave blocking effect is expressed, but also has a deodorizing, deodorizing function, the effect of protecting the material inside the container produced when manufacturing the container, etc. It is to provide a polyester resin composition for extrusion molding that can be produced a container excellent in functionality.

Another object of the present invention is to provide a method for producing a container for various uses by using an extrusion molding molester resin composition.

In order to achieve another object that can be easily expressed as well as the above object, in the present invention, SiO ₂ 79.76wt%, Al ₂ O ₃ 9.87wt%, Fe ₂ O ₃ O.21wt%, K ₂ O 3.79wt%, Deep granite consisting of Na ₂ 0 2.81 wt%, CaO 1.59 wt%, MgO 0.86 wt%, and other trace components 1.11 wt% including germanium 0.5-2 ppm, SiO ₂ 73.41 wt%, Al ₂ 0 ₃ 14.56 wt%, Heart granite composed of Fe ₂ 0 ₃ 1.13wt%, K ₂ 0 4.13wt%, Na ₂ 0 2.48wt%, Ca0 2.28wt%, MgO 0.72wt% and other trace components 1.29wt% including germanium 0.5-2ppm , Si0 ₂ 73.53wt%, Al ₂ 0 ₃ 12.52wt%, Fe ₂ 0 ₃ 4.76wt%, K ₂ 0 3.78wt%, Na ₂ 0 2.07wt%, CaO 1.56wt%, Mg0 0.51wt% and Germanium 0.5 ~ One or more deep granite powders of the deep granite composed of 1.27 wt% of other trace components including 2 ppm were powdered into particles having a particle size of 325 mesh or more, and then heated to 705 ° C. or 1350 ° C. for 30 minutes or more. Heat treated by the method, and then 10 to 60 wt% of polyester resin, especially polyethylene terephthalate resin, is added to obtain an extruded polyester resin composition, and the composition is mixed so that each component is homogeneous and melt-extruded at an extruder at a temperature of 120 ° C. By obtaining the ester chip and extruding it into a container in a known extruder, the effect of cold protection and heat insulation is excellent, and the effect of blocking electromagnetic waves is not only expressed, but also has a deodorizing and deodorizing function. The container which expressed and was excellent in functionality was obtained.

The present invention is described in more detail as follows.

Extrusion polyester resin composition of the present invention is SiO ₂ 79.76wt%, Al ₂ 0 ₃ 9.87wt%, Fe ₂ 0 ₃ 0.21wt%, K ₂ 0 3.79wt%, Na ₂ 0 2.81wt%, CaO 1.59wt %, MgO 0.86 wt% and other granules 1.11 Wt% including germanium 0.5-2 ppm, deep granite, SiO ₂ 73.41 wt%, Al ₂ O ₃ 14.56 wt%, Fe ₂ O ₃ 1.13 wt%, K ₂ Deep granite composed of 4.13wt% O, 2.48wt% Na ₂ O, 2.28wt% Ca, 0.72wt% MgO and 1.29wt% of other trace components including germanium 0.5-2ppm, SiO ₂ 73.53wt%, Al ₂ O ₃ 12.52 wt%, Fe ₂ O ₃ 4.76 wt%, K ₂ O 3.78 wt%, Na ₂ 0 2.07 wt%, CaO 1.56 wt%, MgO 0.51 wt% and other trace components including germanium O.5-2 ppm One or more deep granite powders of the deep granite composed of wt% are powdered into particles having a particle size of 325 mesh or more, and then heated to a temperature of 705 ° C. or 1350 ° C. and maintained for at least 30 minutes, followed by polyester. Resins, in particular polyethylene terephthalate It characterized by the addition of 10 ~ 60wt% to whether.

In addition, the container manufacturing method of the present invention is SiO ₂ 79.76wt%, Al ₂ O ₃ 9.87wt%, Fe ₂ 0 ₃ O.21wt%, K ₂ 0 3.79wt%, Na ₂ 0 2.81wt%, CaO 1.59wt% , Deep granite, consisting of 0.86wt% of MgO and 1.11wt% of other trace components including germanium O.5 ~ 2ppm, Si0 ₂ 73.41wt%, Al ₂ O ₃ 14.56wt%, Fe ₂ O ₃ 1.13wt%, K 4.13wt% O _2, Na ₂ O 2.48wt%, 2.28wt% CaO, MgO concentric granite, Si0 ₂ 73.53wt% 1.29wt% consisting of other trace components containing 0.72Wt% and Ge 0.5 ~ 2ppm, Al ₂ 0 ₃ 12.52 wt%, Fe ₂ 0 ₃ 4.76 wt%, K ₂ 0 3.78 wt%, Na ₂ 0 2.07 wt%, CaO 1.56 wt%, MgO 0.51 wt% and other trace components including germanium 0.5-2 ppm One or more deep granite powders of the deep granite composed of% are pulverized into particles having a particle size of 325 mesh or more, and then heated to 705 ° C. or 1350 ° C. and maintained for 30 minutes or longer, followed by a polyester resin. , In particular with respect to polyethylene terephthalate resins ~ 60Wt% is added to obtain a polyester resin composition for extrusion molding, and the composition is mixed so that the respective components are homogeneous and melt-extruded at a temperature of 120 ° C in an extruder to obtain a polyester chip, which is known in a known extrusion molding machine. It is characterized by extrusion molding into a container.

The deep granite used in the present invention is Si0 ₂ 79.76wt%, Al ₂ O ₃ 9.87wt%, Fe ₂ O ₃ 0.21wt%, K ₂ 0 3.79wt%, Na ₂ 0 2.81wt%, CaO 1.59wt%, MgO Deep granite (hereinafter referred to as "deep granite A") consisting of 0.86 wt% and 1.11 Wt% of other trace components including germanium 0.5-2 ppm, SiO ₂ 73.41 wt%, Al ₂ O ₃ 14.56 wt%, Fe ₂ Aromatic granite consisting of 1.13 wt% O _3, 4.13 wt% K ₂ O, 2.48 wt%, Ca ₂ 2.28 wt%, MgO 0.72 wt% and 1.29 wt% of other trace components including germanium 0.5-2 ppm Or "sintered granite B") or Si0 ₂ 73.53wt%, Al ₂ 0 ₃ 12.52wt%, Fe ₂ 0 ₃ 4.76wt%, K ₂ 0 3.78wt%, Na ₂ 0 2.07wt%, CaO 1.56wt% , A deep granite (hereinafter referred to as "deep granite C") consisting of 1.27 wt% of other trace components including 0.51 wt% of MgO and from 0.5 ppm to 2 ppm of germanium. It is preferable to select and use species or more.

The deep granite used in the present invention is a pure magma in the crust is cooled in the reduced state, each has a unique color, the color is a unique color formed by cooling the hot magma of 4000 ℃ or more, the far-infrared emissivity is 0.90 or more In addition, it is added in a ratio of 10 to 60wt% with respect to the polyester resin or a composition thereof that can be extruded, and when the addition rate of deep granite is less than 10% by weight, there is a disadvantage in that the desired effect of the present invention is insufficient. When it exceeds the weight%, not only the extrusion molding for the container is not easy, but also the inherent characteristics of the container, such as the strength of the container to be produced, are lowered and there is no economical effect because there is no synergistic effect of the addition.

Far-infrared emissivity changes according to the type of deep granite, the mixing method, and the mixing ratio used, so that containers of various characteristics and uses can be manufactured. That is, the deep granite A, the deep granite B, the deep granite C can be used independently, two or more kinds may be used in combination, and when used in combination, each of the deep granite is preferably used in more than 3wt%.

The granite granules used in the present invention may be added in various granularities depending on the required characteristics of the container to be manufactured, but considering the degree of expression of the desired effect, the surface smoothness of the container, the ease of extrusion, and the required properties, the 325 mesh ( It is preferable to use those having a particle size of mesh or more.

The cored granite is pulverized in advance, heat treated, pulverized and pulverized, and then added to a known polyester resin or composition thereof which can be extruded. The heat treatment is carried out in a tunnel kiln or shuttle kiln and heated to 705 ° C or 1350 ° C to maintain for 30 minutes or more. Secondary grinding is also preferably used by grinding to a particle size of 325 mesh or more. If the particle size is less than 325 mesh, it is difficult to melt because it is difficult to be economically melted, and it is difficult to melt melt the homogeneous granite component homogeneously, thus reducing the ease of manufacturing work into the container. When air is excessively introduced, bubbles are generated or the grinding cost is excessively consumed, which is not economical.

The polyester resin or composition thereof may be used as long as it can be extruded which is commonly used in the technical field to which the present invention belongs, and additives commonly used in the art to which the present invention belongs may be used to add other functionality. Can be.

The heat-treated core granite component and the polyester resin or a composition thereof are mixed but mixed until each component is homogeneous, and the mixture is put into a known melt extruder and melt-extruded at a temperature of 120 ° C. A container of the present invention was prepared by obtaining a chip, and putting the same into an extruder to extrusion into a container.

The container manufactured in the present invention is a deep granulated granite component is homogeneously mixed in the container at the time of manufacturing the container, the far infrared rays are radiated from the mixed deep granulated steel exhibits the effect of sterilization, insecticidal, so that discoloration can be prevented, the radiant energy of the atmosphere The homogeneous mixture of deep granite and extremely small amount of remaining water, which are mixed homogeneously in the container, causes mutual resonance effect, effectively absorbing the heat source of the air, and reaching the maximum absorption of energy in the wavelength range of 4 ~ 25μ. The effect can be obtained. In addition, the deep granite blocks the electromagnetic waves, expresses the functions of deodorization and deodorization, and the far-infrared rays emitted by the deep granite components themselves are harmful to the human body such as ultraviolet rays and reflect the rays that cause the durability of the container to protect the material in the container. Various effects are expressed, for example.

The following examples illustrate the invention in more detail, but do not limit the scope of the invention.

Example 1

SiO ₂ 79.76wt%, Al ₂ O ₃ 9.87wt%, Fe ₂ O ₃ O.21wt%, K ₂ O 3.79wt%, Na ₂ O 2.81wt%, CaO 1.59wt%, MgO 0.86wt% and Germanium 0.5- Deep granite A, SiO ₂ 73.41 wt%, Al ₂ 0 ₃ 14.56 wt%, Fe ₂ 0 ₃ 1.13 wt%, K ₂ 0 4.13 wt%, Na ₂ 0 2.48 Deep granite B, SiO ₂ 73.53 wt%, Al ₂ O ₃ 12.52 wt%, Fe ₂ 0 consisting of wt%, Ca0 2.28 wt%, MgO 0.72 wt% and other minor components 1.29 wt% including germanium 0.5-2 ppm ₃ 4.76wt%, K ₂ 0 3.78wt%, Na ₂ O 2.07wt%, CaO 1.56wt%, MgO 0.51wt% and other trace components 1.27Wt%, including germanium 0.5-2ppm The granite granite mixed with pulverized granules was pulverized into a powder of 325 mesh, placed in a tunnel kiln, heated to 705 ° C. and maintained for 30 minutes. Until granite components are homogeneous After mixing the mixture was stirred at group, put into a melt extruder and melt-extruded at a temperature of 120 ℃, cooled and cut into a chip size of about 2mm.

The chips were then put into an extrusion machine and extruded into bottles using a known method to obtain a container of the present invention.

The prepared container is excellent in the effect of keeping warm and cold, and the effect of blocking electromagnetic waves, as well as deodorizing, deodorizing function, there was an effect to protect the material inside.

Example 2

The container was manufactured in the same manner as in Example 1, except that the granite granite was heat-treated in a shuttle kiln at a temperature of 1350 ° C., and the granite granite powder was added at a ratio of 25 wt% to the polyester resin. Could get

* Attached

Experimental Example 1

In order to test the degree of far-infrared radiation in the polyester resin of the present invention, the following test was conducted.

That is, 20Wt% and 40Wt% are mixed with polyester granules (manufactured by Sunkyung Industry Co., Ltd.) of deep granite A, B and C used in the present invention in the same amount, and the far-infrared emissivity of the deep granite granule itself. Was requested by the Korea Institute of Building Materials and Testing using FR-IR Spectrometer at 40 ℃ and the results are shown in Table 1.

TABLE 1

As can be seen from Table 1, the deep granite powder and the polyester resin used in the present invention had a very high far-infrared emissivity.

Experimental Example 2

Request for physical properties of 20% by weight of 40% of 40% of deep granite A, B, and C used in the present invention mixed with deep granite of polyester granules (manufactured by Sunkyung Industry Co., Ltd.) It measured by the method of KSM-3001-96 and the results are shown in Table 2 below.

TABLE 2

As can be seen from Table 2, the polyester resin of the present invention was able to sufficiently satisfy the physical conditions necessary for molding into a container.

Experimental Example 3

In order to measure the antimicrobial activity of the polyester resin of the present invention, the antimicrobial properties of 10% of the polyester resin powder of the present invention and the addition of the polyester resin powder to the medium were evaluated by requesting the Korea Institute of Construction Materials.

The strains used were Escherichia coli ATCC 25922 and Pseudomonas aeruginosa ATCC 15442. KlCM-F1R-1003 was used as a test method, and the test results are shown in Table 3 below. It was.

TABLE 3

* CFU: Colony Forming Unit

* The number of bacteria on the medium is calculated by multiplying the dilution factor.

As can be seen from Table 3, the polyester resin of the present invention was excellent in antibacterial properties.

Experimental Example 4

The anion water emitted from the deep granite powder used in the present invention was measured, and was commissioned by the Korea Institute of Construction Materials and Materials using the test particle measurement device of KICM-FIR-1042. It was tested under the condition of 80 / cc of anion number, and the test result shows that 70 ions are released per unit volume.

The above results indicate that the anion release is considerably higher than general polyester resins having almost no anion release, and it is already known that anion exhibits many effects useful for the human body, and thus the effect of the present invention can be sufficiently demonstrated.

Experimental Example 5

Deodorizing effect test was carried out using a polyester resin and a general polyester resin to which the deep granite powder used in the present invention was added. As a test method, KICM-FIS-1004 was used, and ammonia was used as the test gas. Gas concentration was used for the concentration measurement, and the test results are shown in Table 4 below.

TABLE 4

The above results indicate that the deodorizing effect is superior to that of the general polyester resin.

As described above, in the present invention, Si0 ₂ 79.76wt%, Al ₂ O ₃ 9.87wt%, Fe ₂ 0 ₃ O.21wt%, K ₂ 0 3.79wt%, Na ₂ 0 2.81wt%, CaO 1.59wt%, MgO Deep granite, consisting of 0.86 wt% and 1.11 wt% of other trace components, including germanium 0.5-2 ppm, Si0 ₂ 73.41 wt%, Al ₂ 0 ₃ 14.56 wt%, Fe ₂ 0 ₃ 1.13 wt%, K ₂ 0 4.13 wt %, Na ₂ 0 2.48wt%, CaO 2.28wt%, Mg0 0.72wt% and other trace components 1.29wt% including 0.5-2ppm germanium, SiO ₂ 73.53wt%, Al ₂ O ₃ 12.52wt %, Fe ₂ O ₃ 4.76 wt%, K ₂ O 3.78 wt%, Na ₂ O 2.07 wt%, CaO 1.56 wt%, MgO 0.51 wt% and other trace components 1.27 wt% including germanium 0.5-2 ppm One or more of the granite granite powders in the granite granite are pulverized into particles having a particle size of 325 mesh or more, and then heated to a temperature of 705 ° C. or 1350 ° C. and maintained for at least 30 minutes. 10 against phthalate resin ~ 60Wt% is added to obtain a polyester resin composition for extrusion molding, and the composition is mixed so that the respective components are homogeneous and melt-extruded at a temperature of 120 ° C in an extruder to obtain a polyester chip, which is known in a known extrusion molding machine. By extruding into a container, the effect of cold protection and insulation was excellent and the electromagnetic wave blocking effect was not only expressed, but also a deodorizing and deodorizing function was obtained.

That is, the deep granite component added to the container of the present invention has the effect of blocking ultraviolet rays from the solar heat, and since the added deep granite is a room temperature infrared heating element, it absorbs or radiates far infrared rays, especially 4-25 μ rays of sunlight. Because of its superiority, the evaporation effect of moisture and moisture is stronger than that of ordinary polyester resin containers, and the effect of keeping warm and keeping warm is excellent.

In addition, it is excellent in the sliding of water, because the molecular structure of the water (cluster) is lowered to the level of 5 to 15 water molecules to increase the activity of the water, due to the far-infrared radiation effect of different wavelengths (electromagnetic waves, ultraviolet rays) Etc.) is effective.

Claims (5)

SiO ₂ 79.76wt%, Al ₂ O ₃ 9.87wt%, Fe ₂ O ₃ O.21wt%, K ₂ O 3.79wt%, Na ₂ O 2.81wt%, CaO 1.59wt%, MgO 0.86wt% and Germanium 0.5- Deep granite consisting of 1.11 wt% of other trace components including 2 ppm, SiO ₂ 73.41 wt%, Al ₂ O ₃ 14.56 wt%, Fe ₂ O ₃ 1.13 wt%, K ₂ O 4.13 wt%, Na ₂ 0 2.48 wt Deep granite consisting of%, Ca0 2.28wt%, Mg0 0.72wt% and other trace components 1.29wt% including germanium 0.5-2ppm, SiO ₂ 73.53wt%, Al ₂ O ₃ 12.52wt%, Fe ₂ 0 ₃ 4.76 one or more cores of pitting granite composed of wt%, K ₂ 0 3.78 wt%, Na ₂ 0 2.07 wt%, CaO 1.56 wt%, MgO 0.51 wt% and other minor components 1.27 wt% including 0.5 to 2 ppm germanium Heat treatment of the granite powder, and then added to the polyester resin capable of extrusion molding polyester resin composition for extrusion molding. The polyester resin composition for extrusion molding according to claim 1, wherein the deep granite powder has a particle size of 325 mesh or more. The polyester resin composition for extrusion molding according to claim 1, wherein the heat treatment of the deep granite powder is performed by maintaining the temperature at 705 ° C or 1350 ° C for 30 minutes or more. The polyester resin composition for extrusion molding according to claim 1, wherein the amount of deep granite powder is 10 to 60 wt% based on the polyester resin. SiO ₂ 79.76wt%, Al ₂ O ₃ 9.87wt%, Fe ₂ O ₃ 0.21wt%, K ₂ O 3.79wt%, Na ₂ O 2.81wt%, CaO 1.59wt%, MgO 0.86wt% and Germanium 0.5 ~ 2ppm Deep granite composed of 1.11 wt% of other trace components, including SiO ₂ 73.41 wt%, Al ₂ O ₃ 14.56 wt%, Fe ₂ O ₃ 1.13 wt%, K ₂ O 4.13 wt%, Na ₂ 0 2.48 wt% , Hard granite composed of 2.28wt% Ca0, 0.72wt% MgO and 1.29wt% of other trace components including germanium 0.5-2ppm, SiO ₂ 73.53wt%, Al ₂ 0 ₃ 12.52wt%, Fe ₂ 0 ₃ 4.76wt At least one of the agglomerated granite, consisting of% ₂ , K ₂ 0 3.78wt%, Na ₂ 0 2.07wt%, CaO 1.56wt%, MgO 0.51wt% and other trace components 1.27wt% including germanium 0.5-2ppm The powder is pulverized into particles having a particle size of 325 mesh or more, and then heated to 705 ° C. or 1350 ° C. and maintained for 30 minutes or more, and then 10 to 60 wt% is added to the polyester resin for extrusion molding. To obtain a molester resin composition, Method for producing a polyester resin container characterized in that the components are mixed so that each component is homogeneous and melt extruded at a temperature of 120 ° C. in an extruder to obtain a polyester chip, which is extrusion molded into a container in a known extruder. .