KR100254945B1 - A synthetic resin products and manufacturing method with inorganic materials - Google Patents

A synthetic resin products and manufacturing method with inorganic materials Download PDF

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KR100254945B1
KR100254945B1 KR1019970051911A KR19970051911A KR100254945B1 KR 100254945 B1 KR100254945 B1 KR 100254945B1 KR 1019970051911 A KR1019970051911 A KR 1019970051911A KR 19970051911 A KR19970051911 A KR 19970051911A KR 100254945 B1 KR100254945 B1 KR 100254945B1
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elvan
synthetic resin
added
weight
resin products
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KR19990031265A (en
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석미수
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석미수
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    • 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
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • 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
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/015—Biocides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene

Abstract

PURPOSE: Synthetic resin products having far infrared radiation radioactive characteristics and absorptive power by adding elvan powder and inorganic antibiotics to resin are provided, which have an effect on removing various harmful materials and exhibit excellent absorptive power against bacteria by silica monoxide of elvan. CONSTITUTION: The titled resin products are prepared by the following process: elvan is pulverized to 350 mesh or more, sintered at 1,100 to 1,300deg.C for 3 to 10 hr and added with 5 to 20% by weight of a silver ion inorganic biotics; the obtained mixture is pulverized to a size of 1 to 5 micrometer, added with 3.1 to 10.5% by weight of synthetic resin and melt-extruded, wherein one or more of amphibole, sericite, biotite. A green gem and a white gem are mixed with elvan.

Description

맥반석을 함유한 합성수지제품 및 그 제조방법Synthetic resin product containing elvan stone and its manufacturing method

본 발명은 맥반석을 함유한 합성수지 제품 및 그 제조방법에 관한 것으로, 특히 원적외선을 방사함과 동시에 흡착력을 갖추도록 맥반석을 함유한 합성수지제품 및 그 제조 방법에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to synthetic resin products containing elvan, and to a method for producing the same, and more particularly to synthetic resin products containing elvan and so as to have adsorbing power while emitting far infrared rays.

종래 맥반석에 대해서 900년전에 중국의 송나라에서 출판된 본초도경에 주로 피부병이나 물을 순화하는 약석으로서 기재되어 있었다. 맥반석은 다공성에 의한 강한 흡착력이나 원적외선의 방사 등을 이용한 용도에 사용되어 왔다.Conventional elvan rock has been described in the herbal paper published 900 years ago in Song Dynasty, China, as a weakening agent mainly for purifying skin diseases and water. Elvan stones have been used in applications using strong adsorption force due to porosity or radiation of far infrared rays.

따라서 본 발명은 상기 사실을 감안하여 이루어진 것으로서 본 발명의 목적은 원적외선을 방사함과 동시에 흡착력을 갖추도록 맥반석을 함유한 합성수지제품 및 그 제조 방법을 제공하는 데 있다.Accordingly, the present invention has been made in view of the above-described fact, and an object of the present invention is to provide a synthetic resin product containing elvan rock and a method for producing the same so as to radiate far infrared rays and to have adsorptive power.

상기 목적을 달성하기 위해 본 발명에 따른 맥반석을 함유한 합성수지제품은 원적외선을 방사함과 동시에 흡착력을 갖는 3∼10 중량%의 맥반석과 0.1∼0.5중량%의 은이온 무기항균제, 그리고 89.5∼96.9 중량%의 합성수지로 이루어진 것을 특징으로 한다.In order to achieve the above object, the synthetic resin product containing elvan according to the present invention has 3-10 wt% of elvan, 0.1-0.5 wt% of silver ion inorganic antimicrobial agent, and 89.5-96.9 wt. It is characterized by consisting of% synthetic resin.

한편, 본 발명에 따른 맥반석을 함유한 합성수지제품의 제조 방법은 혼합기에서 맥반석과 무기 항균제 및 합성수지를 혼합하는 혼합과정과, 용융로에서 상기 맥반석과 무기항균제 및 합성수지물질의 혼합물을 합성수지물질의 용융 온도로 가열하여 압출 성형하는 성형과정으로 이루어진 것을 특징으로 한다.On the other hand, the manufacturing method of the synthetic resin product containing elvan rock according to the present invention is a mixing process of mixing the elvan rock and inorganic antimicrobial agent and synthetic resin in a mixer, and the mixture of the elvan and inorganic antimicrobial agent and synthetic resin material in the melting furnace at the melting temperature of the synthetic resin material It is characterized by consisting of a molding process of heating and extrusion molding.

맥반석에 대해 설명하면 다음과 같다.If you describe the rock formation is as follows.

맥반석은 석영반점암에 속하는 암석으로, 그 조성은 아래의 표 1과 같다.Elvan rock is a rock belonging to quartz spot rock, and its composition is shown in Table 1 below.

Figure kpo00001
Figure kpo00001

이 맥반석은 500메시의 미분말로 하여도 해면과 같이 다공성을 잃어버리지 않는다.Even if it is a fine powder of 500 mesh, it does not lose porosity like sea sponge.

알루미노규산염류(장석)는 KAlSi3O8, NaAlSi3O8혹은 CaAl2Si2O8, MgAl2Si2O8등의 화학조성이고, 맥반석에 함유되는 규산(SiO)은 SiO의 정4면체가 3차원적으로 배열된 입체구조로 되어 있다. 맥반석의 구조의 일부는 알루미늄(Al)이 교량형상의 산소원자로부터 로온페어의 배치위치를 받아서 결합된 구조이다. 맥반석의 구조의 말단에는 마그네슘이나 칼슘, 나트륨, 칼륨이 결합되어 있다. 맥반석이 수중에 두어지거나, 습도가 높은 공기 중의 수분과 접촉하면, 상기 Mg, Ca, Na, K와 산소의 결합에 의해, 맥반석의 표면의 분자가 이온화하여 표면에 -SiO-라고 하는 라디칼{기(基)}가 생긴다. 이 -SiO-기의 존재는, 추술하는 실험예 2의 맥반석의 적외선 스펙트럼에서도 명확하게 보여진다.Aluminosilicates (feldspar) are chemical compositions such as KAlSi 3 O 8 , NaAlSi 3 O 8, or CaAl 2 Si 2 O 8 , MgAl 2 Si 2 O 8 , and the silicic acid (SiO) contained in the elvan is SiO 4. It is a three-dimensionally arranged three-dimensional structure. Part of the structure of the elvan is Al (Al) is a structure in which the on-location of the on-pair from the bridge-shaped oxygen atoms are combined. Magnesium, calcium, sodium, and potassium are bonded to the ends of the structure of elvan. When elvan is placed in water or in contact with moisture in air with high humidity, the Mg, Ca, Na, K and oxygen bonds the molecules on the surface of the elvan and ionizes radicals called -SiO - on the surface. (基)} is produced. The -SiO - the presence of a group is shown clearly in the IR spectrum of the quartz porphyry in Experimental Example 2 to chusul.

유리된 -SiO-라디컬에 의해 철이온, 수은 이온 등의 흡착 외에 색소류, 세균류도 흡착된다. Fe3+, Hg2+등의 흡착은 다음 화학식 1과 화학식 2에 표시되듯이, -SiO-와의 결합된 결과이다.The glass -SiO - adsorption in addition to dyes, bacteria of by radical iron ion, mercury ion and the like are also adsorbed. Absorption, such as Fe 3+, Hg 2+ is As will be shown in the following Formula 1 and Formula 2, -SiO - is combined with the results.

Figure kpo00002
Figure kpo00002

Figure kpo00003
Figure kpo00003

또, 색소나 냄새 입자 및 세균의 흡착은, 색소의 분자 속의 화학식 3에 표시된 바와 같이 다수의 -SiO-가 +로 하전된 질소 원자(-N+)나, 세균의 단백질 속의 +로 하전된 질소원자(-N+)의 결합함으로써 이루어진다. 특히, 세균에 대해서는 균체가 갖는 많은 -N+와 맥반석 중의 다수의 -SiO-와의 결합이 몇겹으로 생기고, 균체를 포착하는 흡착현상이 발생한다. 또한, 맥반석의 장석은 풍화와 용해 때문에 극히 다공질로 된다. 맥반석의 장석에 의하여 -SiO-라디칼이 대단히 증가함으로써 맥반석은 현저한 흡착성을 갖는다.In addition, the adsorption of pigments, odor particles, and bacteria is carried out by nitrogen atoms (-N + ) in which a large number of -SiO - are charged to + as shown in Formula 3 in the molecule of the dye, or nitrogen charged by + in bacteria proteins. By bonding of atoms (-N + ). Particularly, for bacteria, binding of many -N + of bacteria and many -SiO - in elvan occurs, and adsorption phenomenon occurs to trap the bacteria. In addition, feldspar of elvan has become extremely porous due to weathering and melting. By a quartz porphyry feldspar -SiO - radical by the greatly increased elvan has a remarkable adsorption.

Figure kpo00004
Figure kpo00004

다음에 맥반석의 흡착성에 대해 설명한다.Next, the adsorption property of ganguerite is demonstrated.

맥반석을 미분말화하면 할수록 이온이 많이 발생하며 흡착작용이 대단히 증가한다. 한편, 원적외선을 방사하는 맥반석의 방사율(EMISSIVITY)은 90%이상이다.The finer the fine powder, the more ions are generated and the adsorption is greatly increased. On the other hand, the emissivity (EMISSIVITY) of the elvan is almost 90%.

흡착성을 높히기 위하여 합성수지에 첨가되는 맥반석은 350메쉬 이상의 미분이어야 하며, 더욱 바람직하게로는 500메쉬이상의 미분이다. 또한 분쇄 후 맥반석의 고유특성을 더욱 향상시키기 위하여는 1100 내지 1300℃의 온도에서 3 내지 10 시간동안 소성시키는 것이 필요하다.In order to increase the adsorption property, the elvan is added to the synthetic resin to be finely divided to 350 mesh or more, more preferably 500 mesh or more. In addition, in order to further improve the intrinsic properties of the elvan after pulverization it is necessary to bake for 3 to 10 hours at a temperature of 1100 to 1300 ℃.

또한, 맥반석의 원적외선 방사효과를 더욱 향상시키기 위하여는 각섬석, 견운모, 흑운모, 록옥, 백옥 등을 혼합하여 사용할 수도 있다.In addition, in order to further improve the far-infrared radiation effect of elvan, hornblende, biotite, biotite, rock jade, white jade and the like may be used in combination.

맥반석이 합성수지에 첨가되어 식품포장용 필름이나 비닐지(장판지), 신발의 깔창 등으로 사용될 경우, 맥반석의 첨가로 인하여 원적외선 방사효과가 발휘되어 음식물의 선도유지, 인체의 신진대사촉진 등의 효과는 충분히 얻을 수 있으나, 유해균 또는 부패균에 대한 항균작용은 미흡하다. 따라서 본 발명에서는 항균효과를 부여하기 위하여 은이온 무기항균제를 첨가한다 은이온 무기항균제는 맥반석의 상술한 효과를 저하시키지 아니하면서 뛰어난 항균효과를 나타낸다. 그 적절한 사용량은 0.1∼0.5중량%로, 사용되는 맥반석의 5 내지 20중량%가 적절하다.When elvan is added to synthetic resin and used as food packaging film, vinyl paper, or shoe insole, far-infrared radiation is exerted due to the addition of elvan, which is sufficient to maintain the freshness of food and promote metabolism. It can be obtained, but the antimicrobial action against harmful or decaying bacteria is insufficient. Therefore, in the present invention, silver ion inorganic antimicrobial agent is added to give an antimicrobial effect. Silver ion inorganic antimicrobial agent exhibits excellent antimicrobial effect without deteriorating the above-mentioned effect of elvan. The appropriate amount of use is 0.1 to 0.5% by weight, and 5 to 20% by weight of the elvan is used.

맥반석과 무기항균제의 적절한 첨가량은 3 내지 10중량%이며, 이들은 1∼5㎛의 직경을 가지도록 정밀하게 분쇄된 후 사용된다. 입자의 크기가 상기범위를 초과할 경우에는 맥반석 고유의 성질이 저하될 뿐만 아니라, 항균효과 역시 저하하게 된다.Appropriate addition amount of ganbanite and inorganic antibacterial agent is 3 to 10% by weight, which are used after being precisely ground to have a diameter of 1 to 5㎛. When the size of the particles exceeds the above range, not only the intrinsic properties of elvan rock but also the antimicrobial effect is lowered.

맥반석과 무기항균제는 바로 합성수지에 첨가될 수도 있으며, 마스터배치 수지로 제조된 후 합성수지와 혼합되어 사용될 수도 있다.Elvan and inorganic antimicrobial agents may be added directly to the synthetic resin, or may be used after being prepared with a master batch resin and mixed with the synthetic resin.

[제조실시예]Production Example

맥반석을 분쇄기에서 325메시 이상의 직경을 갖도록 분쇄한다.Elvan is ground in a mill to a diameter of at least 325 mesh.

다음에 소성로에서 1200℃의 온도에서 맥반석을 5시간 동안 소성시킨다.Next, the calcined rock is calcined at a temperature of 1200 ° C. for 5 hours in a kiln.

상기 맥반석에 은이온 무기항균제와 록옥을 각각 10중량%씩 첨가하고 정밀 분쇄기에서 3㎛의 직경을 갖도록 분쇄한다.10 wt% of silver ion inorganic antibacterial agent and rock jade were added to the elvan, and ground in a precision mill to have a diameter of 3 μm.

다음에 호퍼에서 상기 맥반석과 록옥, 무기 항균제의 혼합물 6중량% 와 폴리 에틸렌수지 94중량%를 혼합한다.Next, in the hopper, 6% by weight of the mixture of ganguerite, rock jade, and inorganic antibacterial agent and 94% by weight of polyethylene resin were mixed.

이어서 압출기에서 상기 맥반석과 무기 항균제의 혼합물 및 합성수지물질을 상기 합성수지물질의 용융 온도로 가열하여 압출 성형한 후 비닐지를 얻었다.Subsequently, in the extruder, the mixture of the elvan and the inorganic antimicrobial agent and the synthetic resin material were heated to the melting temperature of the synthetic resin material, followed by extrusion molding to obtain a vinyl paper.

[실시예]EXAMPLE

제조실시예에 의하여 얻어진 비닐지를 냉동식품의 해동에 이용하여, 단시간으로 극히 좋은 결과를 얻었다. 본 발명의 비닐지로 만든 상자의 표면을 주방용의 알루미늄 호일로 둘러싼 속으로 냉동식품을 넣는다. 상기 냉동 식품은 냉동고기이다.The vinyl paper obtained by the manufacturing example was used for thawing frozen foods, and extremely good results were obtained in a short time. Frozen food is placed into the surface of the box made of plastic paper of the present invention surrounded by aluminum foil for kitchen use. The frozen food is frozen meat.

표 2에서 ①은 일반적인 합성수지물질로 이루어진 상자의 표면을 본 발명의 비닐지로 포장한 다음 다시 주방용의 알루미늄 호일로 포장하고 그 내부에 냉동식품을 넣은 상태에서 실내에 놓아둔 상태의 냉동고기의 표면의 온도 변화이다. ②는 냉동고기를 일반적인 비닐 주머니에 넣은 다음 냉장고에 넣은 상태의 냉동고기 표면의 온도 변화이며, ③은 냉동고기를 일반 유리 접시 위에 놓은 다음 실내 공기에 그대로 방치한 상태에서 냉동고기의 표면의 온도 변화를 관찰한 표이다.In Table 2, ① indicates the surface of the box of frozen synthetic meat in which the surface of the box made of general synthetic resin material is packaged with the plastic paper of the present invention, and then again packaged with aluminum foil for kitchen use and the frozen food is placed inside. Temperature change. ② is the temperature change of the surface of the frozen meat when the frozen meat is put in a normal plastic bag and then put in the refrigerator, ③ is the temperature change of the surface of the frozen meat while the frozen meat is placed on a glass plate and left in the air Table is observed.

위의 실측시의 외기 온도는 21℃였지만, 이것에 의하면 본 발명의 비닐지로 포장한 상자 ①은 냉장고 내의 온도와 대략 동일한 온도로 변하여 가면서 해동을 계속하므로 신선도가 전혀 유지되어 있는 상태에서 약 4시간에 완전히 해동되었다. 냉장고에 넣은 상태 ②의 경우에는 4시간 후는 표면만이 약간 유연한 상태로 되며 해동되어 있지는 않다. 공기 중에 둔 ③은 표면과 냉동고기의 내부온도가 크게 다르며 약 4시간에서도 내부는 얼어 있었지만 표면은 고기 국물로 팽윤하여 있어서 색이 변하고 있었다.Although the outside air temperature at the time of the above measurement was 21 degreeC, according to this, the box ① wrapped with the plastic paper of this invention changes to about the same temperature in the refrigerator, and it continues to thaw, and it is about 4 hours in the state which freshness is maintained at all. Was thawed completely. In the case of ② in the refrigerator, after 4 hours, only the surface becomes slightly flexible and is not thawed. ③ placed in the air has a large difference between the surface and the internal temperature of the frozen meat, and even after about 4 hours, the inside was frozen, but the surface was swollen with meat broth.

이 경우에, 주목할 것은 본 발명의 비닐지로 포장한 상자에는 인공에너지를 일체 가하지 않고 있는 것과, 해동완료까지 냉동고기의 온도가 상승하지 않고 2℃ 유지하는 것이다. 본 발명의 비닐지와 알루미늄 호일로 포장된 상자 내부의 냉동고기는 외부와 단열되어서 외부기온의 영향을 받지 않는 것을 알 수 있다. 또한, 비닐지의 원적외선에 의해 싱싱하고 신선한 상태에서 해동된다는 것을 알 수 있다.In this case, it should be noted that the box packaged with the plastic sheet of the present invention is free of artificial energy and the temperature of the frozen meat is maintained at 2 ° C. until the thawing is completed. It can be seen that the frozen meat inside the box packaged with the vinyl paper and the aluminum foil of the present invention is insulated from the outside and is not affected by external temperature. In addition, it can be seen that thawing in a fresh and fresh state by the far infrared rays of the plastic paper.

Figure kpo00005
Figure kpo00005

상술한 바와 같이 구성되고 제조된 본 발명에 따른 맥반석을 함유한 합성수지 제품의 효과는 다음과 같다.The effects of the synthetic resin product containing elvan rock according to the present invention constructed and manufactured as described above are as follows.

합성수지제품에 맥반석이 포함되어 있음으로써 맥반석으로부터 방사되는 원적외선에 의해 합성수지제픔을 사용할 시에 항균작용 각종 유해물질 제거 등 탁월한 효과가 있다.Since the synthetic resin product contains elvan, it has an excellent effect such as antibacterial action and removal of various harmful substances when using synthetic resins by far infrared rays emitted from elvan.

또한, 상기 맥반석내의 일산화규소 라디칼에 의해서 세균들을 흡착함으로써 세균들에 대한 흡착력이 매우 뛰어나다.In addition, by adsorbing bacteria by the silicon monoxide radicals in the elvan, the adsorption power to the bacteria is very excellent.

상기 세균들에 대한 흡착력이 뛰어남으로써 합성수지 용기 내의 식품에 세균이 발육하는 곳을 저지하는 항균성이 뛰어나다.By excellent adsorption capacity for the bacteria is excellent in the antibacterial to block the growth of bacteria in the food in the plastic container.

또한, 합성수지제품내에 포함된 맥반석에 의해 주위의 냄새 입자를 흡착함으로써 흡취성이 뛰어나다. 야채 수송용 골판지 상자의 내면에 본 발명의 비닐지를 붙이거나, 야채를 본 발명의 비닐지로 감아서 수송용 골판지 상자에 채워 넣으면 상기 비닐지에 포함되어 있는 맥반석으로부터 방사되는 원적외선과 상기 맥반석의 항균성으로 인해 장시간 신선도를 유지할 수 있다.In addition, by adsorbing the surrounding odor particles by the elvan rock contained in the synthetic resin product, it is excellent in absorbency. Attaching the vinyl paper of the present invention to the inner surface of the cardboard box for transporting vegetables, or wrapping the vegetables in the cardboard box for transporting the vegetable with the plastic paper of the present invention due to the anti-microbial activity of far infrared rays and the elvan is released from the gantherite contained in the plastic paper Freshness can be maintained for a long time.

특히, 맥반석의 미세한 구멍에 수분을 유지하고 건조를 방지할 수 있음으로써 야채의 싱싱함을 유지할 수 있다.In particular, the freshness of the vegetables can be maintained by keeping moisture in the minute pores of the elvan and preventing drying.

맥반석의 미세한 구멍에 공기와 수분을 유지함으로써 맥반석을 함유한 합성 수지제품은 보온성 및 단열성을 갖는다.By keeping air and moisture in the fine pores of elvan, the synthetic resin product containing elvan is insulated and thermally insulating.

한편, 해동시키려고 하는 육류를 본 발명의 비닐지로 포장된 상자내에 넣고 단열시킨 상태에서 실내 공기중에 놓아두면, 본 발명의 비닐지의 보온성과 상기 비닐지에 포함되어 있는 맥반석으로부터 방사되는 원적외선에 의해 육류 등을 싱싱함을 유지한채 양호한 상태에서 해동시킬 수 있다.On the other hand, when the meat to be thawed is placed in a box wrapped with the vinyl paper of the present invention and placed in the room air while being insulated, the meat and the like can be removed by the thermal insulation of the vinyl paper of the present invention and the far-infrared rays emitted from the gantherite contained in the plastic paper. Can be thawed in good condition while keeping fresh.

Claims (3)

350메쉬 이상으로 분쇄되어 1100 내지 1300℃의 온도에서 3 내지 10 시간동안 소성된 맥반석에 은이온 무기항균제를 5 내지 20중량% 첨가한 다음, 이 혼합물을 직경 1 내지 5㎛의 크기로 분쇄하고, 이 맥반석-은이온 무기항균제의 혼합물을 합성수지에 3.1 내지 10.5중량% 첨가하여 용융압출하는 것을 특징으로 하는 맥반석이 첨가된 합성수지 제품의 제조방법.5 to 20% by weight of silver ions inorganic antimicrobial agent was added to calcite which was pulverized to 350 mesh or more and calcined at a temperature of 1100 to 1300 ° C. for 3 to 10 hours, and then the mixture was ground to a size of 1 to 5 μm in diameter, 11. A method for producing a synthetic resin product with added elvan, wherein the mixture of the elvan-silver ion inorganic antimicrobial agent is melt-extruded by adding 3.1 to 10.5% by weight to the synthetic resin. 제1항에 있어서, 각섬석, 견운모, 흑운모, 록옥, 백옥 중 선택된 1 종 이상이 맥반석과 혼합되어 사용되는 것을 특징으로 하는 합성수지 제품의 제조 방법.The method for producing a synthetic resin product according to claim 1, wherein at least one selected from hornblende, biotite, biotite, rock jade, and white jade is used in combination with elvan. 제1항 기재의 제조방법에 의하여 얻어진 것을 특징으로 하는 합성수지 제품.The synthetic resin product obtained by the manufacturing method of Claim 1.
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