KR100321290B1 - A synthetic resin composition having yellow soil and method of the same - Google Patents
A synthetic resin composition having yellow soil and method of the same Download PDFInfo
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- KR100321290B1 KR100321290B1 KR1019990013876A KR19990013876A KR100321290B1 KR 100321290 B1 KR100321290 B1 KR 100321290B1 KR 1019990013876 A KR1019990013876 A KR 1019990013876A KR 19990013876 A KR19990013876 A KR 19990013876A KR 100321290 B1 KR100321290 B1 KR 100321290B1
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- synthetic resin
- ocher
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- 229920003002 synthetic resin Polymers 0.000 title claims abstract description 46
- 239000000057 synthetic resin Substances 0.000 title claims abstract description 46
- 239000000203 mixture Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000002689 soil Substances 0.000 title description 2
- 239000000843 powder Substances 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims abstract description 9
- -1 polyethylene Polymers 0.000 claims description 10
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 239000007822 coupling agent Substances 0.000 claims description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 5
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000004927 clay Substances 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 230000004075 alteration Effects 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 229920001169 thermoplastic Polymers 0.000 claims 1
- 239000004416 thermosoftening plastic Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000465 moulding Methods 0.000 abstract description 7
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 6
- 238000004332 deodorization Methods 0.000 abstract description 4
- 229920005989 resin Polymers 0.000 abstract description 4
- 239000011347 resin Substances 0.000 abstract description 4
- 230000005855 radiation Effects 0.000 abstract description 3
- 239000000919 ceramic Substances 0.000 description 8
- 230000001877 deodorizing effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 229920005992 thermoplastic resin Polymers 0.000 description 3
- QMMJWQMCMRUYTG-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=C(Cl)C(Cl)=CC(Cl)=C1Cl QMMJWQMCMRUYTG-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000000845 anti-microbial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- WGOROJDSDNILMB-UHFFFAOYSA-N octatriacontanediamide Chemical compound NC(=O)CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC(N)=O WGOROJDSDNILMB-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/203—Solid polymers with solid and/or liquid additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2300/00—Characterised by the use of unspecified polymers
- C08J2300/22—Thermoplastic resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
본 발명은 합성수지에 다량(5∼20wt% 이하)의 황토 미분말을 효과적으로 분산시켜 합성수지에 기능성을 부여한 황토함유 합성수지 조성물 및 그 제조방법에 관한 것이다. 합성수지에 황토 분체를 혼합함에 있어 3wt% 이상 혼합시 분체의 응집 현상을 가져와 성형 제품에 응집된 분체가 검은 점이나 얼룩으로 나타나며 용융된 수지의 유동성을 저해하여 합성수지 제품으로서의 성형을 어렵게 하는 바, 본 발명은 이러한 문제점을 극복하여 황토와 합성수지를 혼합, 황토를 합성수지 속으로 완전하게 분산시킴으로서 성형 제품의 완성도를 높이고 성형기계에 별도의 장치 없이 일반적인 성형방법으로 성형토록 하여 원적외선 방사 및 항균 방취 기능을 갖는 환경 친화성의 황토함유 합성수지 조성물 및 그 제조방법에 관한 것이다.The present invention relates to a loess-containing synthetic resin composition and a method for producing the same, which effectively impart a large amount (5-20 wt% or less) of ocher fine powder to a synthetic resin to impart functionality to the synthetic resin. In mixing ocher powder with synthetic resin, when it is mixed by more than 3wt%, the powder is agglomerated, so the powder agglomerates in the molded product as black spots or stains, and it inhibits the fluidity of the molten resin, making it difficult to form as a synthetic resin product. The present invention overcomes these problems by mixing ocher and synthetic resin and dispersing the ocher completely into synthetic resin to increase the completeness of the molded product and to form it by the general molding method without a separate device in the molding machine to have far infrared radiation and antibacterial deodorization function. It relates to an environmentally friendly ocher-containing synthetic resin composition and a method for producing the same.
Description
본 발명은 황토함유 합성수지 조성물 및 그 제조방법에 관한 것이다. 더욱 구체적으로는 범용의 열가소성수지에 5∼20wt% 이하의 황토 미분말을 효과적으로 분산시켜 수지에 기능성을 부여한 황토함유 합성수지 조성물 및 그 제조방법에 관한 것이다.범용의 열가소성수지로는 폴리에틸렌(PE), 폴리에틸렌테레프탈레이트(PET), 폴리프로필렌(PP) 등이 있으며 이들은 비교적 가격이 저렴하고 가공성이 좋아 잡화용, 포장용, 농업용 등으로 생산되고 있으며 우리 생활과 밀접한 관련성을 가지고 있다.The present invention relates to a loess-containing synthetic resin composition and a method for producing the same. More specifically, the present invention relates to a loess-containing synthetic resin composition in which functionalities are imparted to resins by effectively dispersing 5 to 20 wt% or less of fine clay powder in general-purpose thermoplastic resins. There are terephthalate (PET) and polypropylene (PP), which are relatively inexpensive and have good processability and are produced for miscellaneous goods, packaging, agriculture, etc. and are closely related to our lives.
근래 황토에 대한 효과와 이용 가능성이 확산되면서 생활용품 및 건자재 섬유 등에 널리 이용되고 있다. 이는 황토가 지닌 장점인 무독성, 높은 원적외선 방사율, 우수한 탈취 및 항균력과 같은 유용한 특성에 기인되어지고 있다.Recently, as the effect and availability of loess have spread, it is widely used in household goods and construction materials fibers. This is due to its useful properties such as non-toxicity, high far-infrared emissivity, good deodorization and antibacterial properties.
황토는 합성수지에 3wt%이상 혼합하면 황토 분체가 균일하게 분산되지 못하고 제품의 일부분에 몰려 제품에 얼룩이 생기며 융용 상태에서 유동성이 떨어지고 가공공정 중에는 노즐의 막힘 현상을 초래하도 한다.종래 원적외선 방사 및 항균 탈취의 기능을 갖도록 합성수지에 세라믹을 첨가하여 제조한 합성수지 제품이 생산되고 있으나 세라믹함유 합성수지는 세라믹이 지닌 특성에 따라 항균성 부여를 위해서 항균성 세라믹을 첨가, 탈취를 위해서는 탈취용 세라믹을 첨가하며 또는 원적외선 방사를 위해서는 원적외선 방사용 세라믹을 각각 첨가하므로 제조비용이 많이 소요될 뿐만 아니라 첨가량을 합성수지 대비 3%이하로 함으로써 그 효과를 충분히 얻지 못 하여왔다.When the clay is mixed more than 3wt% in the synthetic resin, the ocher powder is not uniformly dispersed, it is gathered in a part of the product, causing the product to be stained, its fluidity is poor in the molten state, and it may cause the clogging of the nozzle during the processing process. Synthetic resin products manufactured by adding ceramics to synthetic resins have been produced to have a function of, but synthetic resins containing ceramics add antimicrobial ceramics to give antimicrobial properties, and deodorizing ceramics to deodorize them according to the characteristics of ceramics. In order to add the far-infrared radiation ceramics respectively, manufacturing cost is not only high, but the added amount is less than 3% of the synthetic resin, and the effect has not been sufficiently obtained.
이에 비해 황토는 세라믹보다 가격이 1/10정도로 저렴하며 수십 종의 천연광물로 구성되어있을 뿐만 아니라 합성수지에 20wt% 까지 함유 할 수 있기 때문에 항균력, 탈취력, 원적외선 방사량이 모두가 우수하고, 합성수지와 혼합하여 성형하면 황토 고유의 토기색을 발현, 그 자체가 천연 안료의 역할도 함께 지니고 있다.On the other hand, ocher is about 1/10 cheaper than ceramic and consists of dozens of natural minerals and can contain up to 20wt% of synthetic resin, so it has excellent antibacterial, deodorizing and far-infrared radiation, and mixed with synthetic resin When molded by molding, the earthen color inherent in ocher is expressed, and it also has the role of a natural pigment.
본 발명의 목적은 상기와 같은 문제점을 해소하기 위하여 안출한 것으로, 합성 수지에 5 ∼ 20wt% 의 황토를 첨가하여 황토가 수지 내에서 고르게 분산됨으로써 제품 성형 때 불균일 혼합으로 인한 얼룩이나 뭉침 현상을 방지하고 또한 성형기의 노즐 막힘을 방지하며 기존의 성형기나 금형의 변경 없이도 동일한 방법으로 성형이 가능하도록 하는 황토함유 합성수지 조성물 및 그 제조방법을 제공하는 데 있다.본 발명의 다른 목적은 합성수지가 원적외선 방사기능과 항균 탈취기능을 갖도록 황토를 효과적으로 분산시킨 황토함유 합성수지 조성물 및 그 제조방법을 제공하는 데 있다.An object of the present invention is to devise to solve the above problems, by adding 5 to 20wt% ocher to the synthetic resin to prevent the yellow soil evenly dispersed in the resin to prevent staining or aggregation due to uneven mixing during product molding The present invention also provides an ocher-containing synthetic resin composition and a method of manufacturing the same, which prevent nozzle clogging of a molding machine and enable molding using the same method without changing an existing molding machine or a mold. The present invention provides an ocher-containing synthetic resin composition and a method for producing the same, in which ocher is effectively dispersed to have an antibacterial and deodorizing function.
도 1은 본 발명의 제조 공정도.1 is a manufacturing process diagram of the present invention.
본 발명은 폴리에틸렌(PE), 폴리프로필렌(PP), 폴리에틸렌테레프탈레이트(PET)와 같은 범용의 열가소성수지에 황토를 함유시킨 합성수지 조성물을 제조하는 것이다.The present invention is to prepare a synthetic resin composition containing ocher in a general-purpose thermoplastic resin such as polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET).
통상 폴리에틸렌, 폴리프로필렌, 및 폴리에틸렌테레프탈레이트와 같은 범용의 열가소성수지에 1-3wt%이하의 세라믹분말, 금속분말, 안료분말을 첨가하여 사용하고자 할 때에는 특별한 혼합기술을 필요로 하지 않기 때문에 해당 원료물질들을 균일하게 혼합 후, 사출공정 또는 압출공정 등으로 목적하는 제품을 생산 할 수 있다.In general, when a ceramic powder, metal powder, or pigment powder of 1-3wt% or less is added to general-purpose thermoplastic resins such as polyethylene, polypropylene, and polyethylene terephthalate, a special mixing technique is not required. After mixing them uniformly, the desired product can be produced by an injection process or an extrusion process.
그러나 첨가되는 재료가 황토의 경우 함량이 3wt%이하인 경우에는 황토 고유의 은은한 황색을 발현하지 못하며, 황토의 함량이 20wt%를 초과하면 제품의 성형성에서 문제를 야기한다. 또한 첨가되는 재료가 황토인 경우 상기 분말 재료에서와 같이 함량이 3wt%인 경우에는 탈취도가 25%이나, 반면에 황토의 함량이 10wt% 때의 탈취도가 36%, 15wt% 함유시의 탈취가 42%로 탈취도가 각각 현저하게 증가됨을 알 수 있었다.따라서, 본 발명은 원 적외선의 방사율, 탈취도, 및 항균도 등에서 우수한 성능을 나타내는 황토가 5∼20wt% 함유되는 합성수지 조성물을 다음과 같은 방법으로 제조하였다.However, if the added material is less than 3wt% of ocher, the ocher's inherent subtle yellow color is not expressed, and if the content of the ocher is more than 20wt%, there is a problem in product formability. In addition, when the added material is ocher, the deodorizing degree is 25% when the content is 3wt%, as in the powder material, while the deodorizing degree when the deodorizing degree is 36% and 15wt% when the ocher content is 10wt%. It was found that the deodorization degree was significantly increased to 42%, respectively. Accordingly, the present invention provides a synthetic resin composition containing 5 to 20 wt% of loess, which shows excellent performance in far-infrared emissivity, deodorization, and antibacterial properties. Prepared in the same manner.
도 1에 도시된 바와 같이, 본 발명에 따른 황토함유 합성수지 조성물은 1∼3㎛의 황토 미분말 5∼20wt%, 커플링제(Coupling agent: gamma-Mathacryloxy-propyltrimethoxysilane) 2∼3wt%, 부틸스테아레이트(Butylsterate) 0.5wt%, 합성수지 미분말 10wt%, 나머지는 상기의 합성수지와 동일한 칩상태의 합성수지로 이루어져 있다.황토를 1∼3㎛로 분쇄한 것을 사용함은 합성수지의 세그먼트 속에 황토를 충분히 융착시키기 위해서 이며, 칩상태의 합성수지와 동일성분의 합성수지 미분말을 혼용하는 이유는 미분말의 경우 혼합시 분산성은 우수하나 혼합공정에서 발생되는 분진으로 인해 공해를 유발하므로 일정량의 합성수지 미분말을 사용한다.상기 조성물을 혼합하는 공정은 다음과 같다.고속회전장치로 구성된 혼합장치의 용기 안에 칩상태의 합성수지를 투입한 후에, 고속마찰열로 인하여 칩상태의 합지수지 표면이 일부 용융될 수 있을 때까지 일정시간 고속 회전시키고, 회전을 유지하면서 여기에 황토 미분말, 커플링제, 부틸스테아레이트, 및 동일성분의 합성수지 미분말로 이루어진 혼합물을 공기분사장치를 이용하여 소량씩 투입한다. 이때, 상기 혼합물에 첨가제로 공지의 유동화제인 에틸렌-비스-스테아린아미드를 사용할 수도 있다. 그러면 합성수지의 표면에 황토가 포함된 첨가제 혼합물이 균일하게 도포된다. 이렇게 하여 혼합물의 첨가가 끝난 후에는 혼합된 혼합 조성물을 호퍼로 투입, 170∼200℃의 온도로 압출기에서 저속으로 압출한 후, 황토의 변질(산화)을 방지하기 위해 냉각조에서 10℃로 냉각시키고, 지름 2.5∼3㎜, 길이 3∼4.5㎜의 크기로 절단한 다음 건조과정을 거쳐서 포장한다.As shown in Fig. 1, the ocher-containing synthetic resin composition according to the present invention is 5 to 20 wt% of fine clay powder of 1 to 3 μm, a coupling agent (Coupling agent: gamma-Mathacryloxy-propyltrimethoxysilane) 2 to 3 wt%, butyl stearate ( Butylsterate) 0.5wt%, synthetic resin fine powder 10wt%, the remainder is made of synthetic resin in the same chip state as the above synthetic resin. The reason why the synthetic state of the chip-like synthetic resin and the synthetic resin fine powder of the same component is mixed is that the fine powder has excellent dispersibility when mixing, but it causes pollution due to the dust generated in the mixing process, so that a certain amount of synthetic resin fine powder is used. After putting the synthetic resin in the chip state into the container of the mixing device composed of the high speed rotating device, Due to the high speed of rotation for a certain time until the surface of the chipped resin can be melted, while maintaining the rotation there is a mixture of ocher fine powder, coupling agent, butyl stearate, and the synthetic resin fine powder of the same component in the air spraying device Put small amount by using. At this time, ethylene-bis-stearinamide, a known fluidizing agent, may be used as an additive to the mixture. Then, the additive mixture containing ocher is uniformly applied to the surface of the synthetic resin. In this way, after the addition of the mixture is completed, the mixed mixture composition is introduced into a hopper, extruded at an extruder at a temperature of 170 to 200 ° C. at low speed, and then cooled to 10 ° C. in a cooling bath to prevent deterioration (oxidation) of the loess. It is cut to a size of 2.5 to 3 mm in diameter and 3 to 4.5 mm in length and then packaged by drying.
황토를 5∼20wt%까지 함유한 합성수지 조성물은 원적외선 방사율 91%이상 이고, 항균력 및 탈취력이 뛰어날 뿐만 아니라 별도의 안료를 사용하지 않아도 황토 특유의 은은한 색을 발현하므로 의료용 용기, 식품용 용기, 기타 포장재로의 활용이 기대된다.Synthetic resin composition containing up to 5 ~ 20wt% of ocher has more than 91% of far-infrared emissivity, has excellent antibacterial and deodorizing ability, and expresses the subtle color of ocher without the use of a separate pigment, so medical containers, food containers, and other packaging materials Utilization of furnace is expected.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000036653A (en) * | 2000-03-24 | 2000-07-05 | 박종운 | plastic composition and the manufacturing method thereof |
| KR20030086026A (en) * | 2002-05-03 | 2003-11-07 | 김주섭 | Loess composition having elasticity |
| KR20030096514A (en) * | 2002-06-12 | 2003-12-31 | 주식회사 세경 | Method for manufacturing functional synthetic resins |
| KR100892252B1 (en) * | 2008-10-10 | 2009-04-07 | 오리코스포텍(주) | Product using yellow-earth and polyethylene and manufacturing method thereof |
| KR100998360B1 (en) * | 2009-01-15 | 2010-12-03 | 오리코스포텍(주) | Product using yellow-earth and polyethylene and manufacturing method thereof |
| KR101027476B1 (en) * | 2010-11-22 | 2011-04-06 | 유준성 | Molding resin including a loess component and method thereof |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010095670A (en) * | 2000-04-11 | 2001-11-07 | 조경훈 | Manufacturing method for resin products using yellow earth |
| KR20010088898A (en) * | 2001-05-14 | 2001-09-29 | 남승우 | monitor case composition using yellow soil |
| KR20030003854A (en) * | 2001-07-04 | 2003-01-14 | 주식회사 새 한 | Producing method of polyester containers containing infrared emitting material |
| KR20040033843A (en) * | 2002-10-16 | 2004-04-28 | 김종고 | Synthetic resin containing powdered amethyst for radiating far-infrared and maunfacturing method therefor |
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1999
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000036653A (en) * | 2000-03-24 | 2000-07-05 | 박종운 | plastic composition and the manufacturing method thereof |
| KR20030086026A (en) * | 2002-05-03 | 2003-11-07 | 김주섭 | Loess composition having elasticity |
| KR20030096514A (en) * | 2002-06-12 | 2003-12-31 | 주식회사 세경 | Method for manufacturing functional synthetic resins |
| KR100892252B1 (en) * | 2008-10-10 | 2009-04-07 | 오리코스포텍(주) | Product using yellow-earth and polyethylene and manufacturing method thereof |
| KR100998360B1 (en) * | 2009-01-15 | 2010-12-03 | 오리코스포텍(주) | Product using yellow-earth and polyethylene and manufacturing method thereof |
| KR101027476B1 (en) * | 2010-11-22 | 2011-04-06 | 유준성 | Molding resin including a loess component and method thereof |
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