KR100219741B1 - Compounding method of injection molding resin containing sawdust - Google Patents

Compounding method of injection molding resin containing sawdust Download PDF

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KR100219741B1
KR100219741B1 KR1019970010663A KR19970010663A KR100219741B1 KR 100219741 B1 KR100219741 B1 KR 100219741B1 KR 1019970010663 A KR1019970010663 A KR 1019970010663A KR 19970010663 A KR19970010663 A KR 19970010663A KR 100219741 B1 KR100219741 B1 KR 100219741B1
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resin
injection
sawdust
resins
mixed
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KR1019970010663A
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Korean (ko)
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KR19980074715A (en
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이영철
오세규
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이영철
오세규
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00Compositions of lignin-containing materials
    • C08L97/02Lignocellulosic material, e.g. wood, straw or bagasse
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L101/00Compositions of unspecified macromolecular compounds
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/10Biofuels, e.g. bio-diesel

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

본 발명은 톱밥이 배합되는 사출용 수지의 조성방법에 관한 것이며, 자연환경에서 양산되고 있는 나무, 낙엽, 볏짚, 보릿짚, 갈대 등을 포함하여 분쇄하여 조성되는 톱밥 등에 아교풀을 9:1의 중량비로 배합하고, 이를 사출용수지와 7:3 내지 3:7의 중량비율로 혼합 조성하여 사출용 수지의 원료로 사용할 수 있도록 한 것이다.The present invention relates to a method of forming an injection resin in which sawdust is blended. A weight ratio of 9: 1 to glue sawdust, etc., which is formed by grinding wood, fallen leaves, rice straw, barley straw, reed, etc. It is formulated as, and mixed with the injection resin in a weight ratio of 7: 3 to 3: 7 to be used as a raw material of the injection resin.

종래의 각종의 폐기물과 폐비닐을 적정비율로 혼합하여 프레싱용 수지의 원료 또는 압출용 수지의 원료로 사용할 수 있도록 개발된 바 있으나, 물성이 안정되고 신축변화가 일정하게 유지되어야 하는 사출용 수지의 원료로는 이용되지 못하고, 또 개방되지 못하였다.Although conventional wastes and waste vinyl are mixed at an appropriate ratio, they have been developed to be used as raw materials for pressing resins or as raw materials for extrusion resins. It could not be used as a raw material and could not be opened.

이에 본 발명은 톱밥과 아교풀 및 수지를 배합 조성하여 사출용 수지의 원료로 사용할 수 있도록 한 발명이다.Thus, the present invention is an invention that can be used as a raw material of the injection resin by blending the sawdust, glue and resin.

(색인어)(Index)

분쇄, 톱밥, 사출, 조성방법, 아교풀, 수지Grinding, sawdust, injection, composition method, glue, resin

Description

톱밥이 배합되는 사출용 수지의 조성방법Composition of injection molding resin with sawdust

본 발명은 톱밥이 배합되는 사출용 수지의 조성방법에 관한 것이며, 사출용 수지에 톱밥 등과 아교풀을 배합하여 사출용 수지원료로 사용할 수 있도록 한 것이다.The present invention relates to a method for forming an injection resin in which sawdust is blended, and to blending sawdust and glue with an injection resin so as to be used as a water support material for injection.

석유화학용 수지를 합성수지로 총칭되고 있고, 상기 수지는 성질과 용도에 따라 압출용 수지와 사출용 수지 등으로 구분되며, 또 특성에 따라 종류가 달라져 수천 종에 이르는 수지가 개발되어져 사용되고 있다.Petrochemical resins are collectively referred to as synthetic resins, and the resins are classified into extrusion resins and injection resins according to their properties and uses, and thousands of kinds of resins have been developed and used according to their characteristics.

또 재생용으로는 폐비닐에 톱밥을 배합하여 압출용 소재로 개발되어 건축자재의 소재로 이용되고 있고, 수지에 석분을 배합하여 프레싱으로 제조되어 인도와 차도의 경계석 등의 소재로 이용되고 있다.It is also used as a material for building materials by mixing sawdust with waste vinyl for regeneration. It is used as a material for building materials by mixing stone powder with resin and used as a material for the boundary stone of sidewalks and driveways.

이와 같이 수지에 톱밥이나 석분 등을 배합하게 되면 원료의 비중이 낮아지고, 또 강도가 보강되는 등의 이점이 있으나, 사출용 수지의 경우에는 물성이 일정하게 안정되어야 하고, 또 사출성형시 신축변화가 일정하게 유지되어야 변형이 해소되는 등으로 인하여 사출용 수지를 다른 소재와 배합시에는 고도의 기술이 요하게 되어 이에 만족되는 수지가 개발되어 못하여 사출로 제조되는 각 상품은 소재의 원가비중이 큰 결함으로 지적되어 있다.As such, when the sawdust or the stone powder is mixed with the resin, the specific gravity of the raw material is lowered and the strength is strengthened.However, in the case of the injection resin, the physical properties must be constantly stabilized. When the resin for injection is blended with other materials, it requires a high level of technology. Therefore, the resin that meets this problem cannot be developed. It is pointed out.

이에 본 발명은 사출용 수지에 톱밥 등을 배합하면서 물성에 변화가 발생되지 않도록 아교풀을 배합하여 사출용으로 사용할 수 있는 수지를 제공함에 목적이 있다.Accordingly, an object of the present invention is to provide a resin that can be used for injection by blending glue so that no change in physical properties occurs while blending sawdust or the like into the resin for injection.

이를 실현하기 위하여, 본 발명은 나무, 낙엽, 볏짚, 보릿짚 및 갈대 중의 하나 또는 그 이상과 톱밥을 배합하여 100 내지 1000메쉬 상태의 분말체로 만들고, 상기 분말체와 아교풀을 9:1의 중량비로 배합하여 배합물을 만들며, 스틸렌계수지, 올리핀계수지, 염화비닐계수지, 메타크릴수지, 폴리카보네이트, 폴리아세탈, 폴리아미드, PPO베이스 및 PBT사출용 수지 중의 하나인 사출용 수지와 상기 배합물을 3:7 내지 7:3의 중량비로 배합 조성하는 것으로 이루어지는 톱밥이 배합되는 사출용 수지의 조성방법을 제공한다.In order to realize this, the present invention combines one or more of wood, fallen leaves, rice straw, barley straw and reeds with sawdust to make a powder of 100 to 1000 mesh state, the powder and glue in a weight ratio of 9: 1 The mixture is made into a compound, and the injection resin and the compound, which are one of styrene resin, olefin resin, vinyl chloride resin, methacryl resin, polycarbonate, polyacetal, polyamide, PPO base, and PBT injection resin, are mixed. Provided is a composition for injection molding resin in which sawdust comprising a compounding composition in a weight ratio of 3: 7 to 7: 3 is blended.

이하 본 발명의 바람직한 실시예를 더욱 상세하게 설명한다.Hereinafter, preferred embodiments of the present invention will be described in more detail.

톱밥에 나무, 낙엽, 볏짚, 보릿짚 및 갈대 중의 하나 또는 두 개 이상을 섞어서 100∼1000메쉬 상태의 분말로 조성하여 분말체를 만들고, 이 분말체와 아교풀과 9:1의 중량 비율로 혼합하여 혼합체를 만들며, 이 혼합체를 통상의 사출용 수지간을 7:3 내지 3:7의 중량비로 혼합하여서 조성하는 것이다.Sawdust is mixed with one or two of wood, fallen leaves, rice straw, barley straw and reed to form a powder of 100-1000 mesh state to make a powder, and mixed with this powder and glue with a weight ratio of 9: 1. A mixture is prepared, and the mixture is prepared by mixing ordinary injection resins in a weight ratio of 7: 3 to 3: 7.

여기서 상기 사출용 수지는 공지의 것을 사용하는 것으로서, 통상 스틸렌계수지, 올리핀계수지, 염화비닐계수지, 메타크릴수지, 폴리카보네이트, 폴리아세탈, 폴리아미드, PPO베이스 및 PBT사출용 수지 중의 하나이다.Here, the injection resin is a known one, and is usually one of a styrene resin, an olefin resin, a vinyl chloride resin, a methacryl resin, a polycarbonate, a polyacetal, a polyamide, a PPO base, and a PBT injection resin. .

이와 같이 조성된 사출용 수지를 통상의 방법으로 사출기에서 가열시키고 혼합시키게 되면 톱밥은 아교풀에 의해 반죽되면서 수지액과 균일하게 혼합되어져 물성이 안정되어져 균일한 상태의 사출용액으로 조성되어 사출기계에 안정된 상태로 공급되어 제품 즉 화분 또는 액자틀 등의 사출성형이 용이하게 이루어진다.When the injection resin thus formed is heated and mixed in an injection molding machine in a conventional manner, sawdust is uniformly mixed with the resin solution while being kneaded by glue, so that the physical properties are stabilized and formed into an injection solution in a uniform state. It is supplied in a stable state to facilitate injection molding of products, ie flower pots or picture frames.

이와 같이 사출용 수지에 톱밥을 배합하게 되면 톱밥의 양에 비례하여 수지의 배합비율이 낮아져 소재의 원가비중이 낮아지게 된다.As such, when sawdust is blended into the resin for injection, the proportion of the resin is lowered in proportion to the amount of sawdust, thereby lowering the weight of the material.

특히 톱밥은 섬유질 상태의 성질을 유지하여 사출에 의해 제조되는 제품의 수축으로 인한 치수 변화를 줄일 수 있고, 또 휨과 비틀림을 해소시킬 수 있게 되며, 또 온도 변화로 인한 신축이나 강도 변화가 적어 견고하게 된다.In particular, sawdust can maintain the properties of the fibrous state to reduce the dimensional change due to shrinkage of the product produced by injection, and to eliminate warpage and torsion, and also because the expansion and strength change due to temperature change is small Done.

즉 종래의 석유화학 제품으로만 구성된 사출용 수지 즉 폴리에틸렌 또는 폴리프로필렌 등은 수축률이 약 1.5%인데 비하여 본 qkfaudd 의하여 제조되는 수지는 그 수축률이 0.4% 내지 0.8%이기 때문에 수축에 의한 치수 변화를 줄일 수 있으며, 이에 따라 수축에 의하여 발생되는 휨 또는 비틀림이 해소되는 것이다.In other words, the injection resin composed only of conventional petrochemical products, such as polyethylene or polypropylene, has a shrinkage of about 1.5%, whereas the resin produced by this qkfaudd has a shrinkage of 0.4% to 0.8%, thereby reducing the dimensional change due to shrinkage. In this way, bending or torsion caused by shrinkage is eliminated.

이와 같이 본 발명은 천연자원이고, 폐기되고 있는 나무, 낙엽, 볏짚, 보릿짚, 갈대 등을 건조 상태에서 100∼1000메쉬 상태로 분말화시켜서 조성된 섬유질 상태의 톱밥에 아교풀을 9:1의 중량비율로 혼합하고, 이를 압출용 수지와 혼합하여 사출용 수지원료를 조성하여 이를 수지원료로 사용하게 되며 사출 성형된 제품은 온도 변화로 인한 수축과 치수 변화 및 변형을 해소할 수 있게 되고, 또 우리나라 환경에서 수입에 의존되고 있는 합성수지원료의 사용량을 줄여 사출물의 제조원가를 줄이게 되고, 폐기물로 처리되는 건축용 폐목재 등을 사출용 소재로 이용하게 되므로 환경오염을 해소할 수 있게 되고, 사출용 수지소재의 원가를 절감할 수 있게 된다.As described above, the present invention is a natural resource, and glued to a fiber of sawdust in a fiber state, which is formed by powdering wood, fallen leaves, rice straw, barley straw, reed, etc., in a dry state from 100 to 1000 mesh. It is mixed at a ratio, and then mixed with an resin for extrusion to form an injection water support material, which is used as a water support material, and the injection-molded product can solve shrinkage, dimensional change and deformation due to temperature change. By reducing the amount of synthetic support fee that is dependent on imports in the environment, it reduces the manufacturing cost of the injection molded products, and it is possible to solve environmental pollution by using the construction waste wood processed as waste as the injection material. The cost can be reduced.

또한 본 발명에 의한 만들어진 사출용 수지를 이용하여 제품 즉 화분이나 액자틀을 만들게 될 경우, 상기 제품의 표면에 혼합물에 의한 자연적인 무늬가 생성되어 별도의 도장을 실시하지 않게 되고 제품의 생산 단가에 영향을 미칠 수도 있다.In addition, when a product, ie a flower pot or a frame, is made using the injection resin made according to the present invention, a natural pattern of a mixture is generated on the surface of the product, and thus, a separate coating is not performed and the production cost of the product is affected. Might have

이상과 같은 본 발명은 사출용 수지에 톱밥과 아교풀을 배합 조성함으로써 상기 수지에 사출 성형되는 제품에 온도 변화로 인한 수축과 치수변화 및 변형을 해소시킬 수 있는 산업상 매우 유용한 것이다.The present invention as described above is very useful in the industry that can eliminate the shrinkage, dimensional change and deformation caused by temperature changes in the product injection-molded by the resin composition for injection molding sawdust and glue.

Claims (1)

나무, 낙엽, 볏짚, 보릿짚 및 갈대 중의 하나 또는 그 이상과 톱밥을 배합하여 100 내지 1000메쉬 상태의 분말체로 만들고, 상기 분말체와 아교풀을 9:1의 중량비로 배합하여 배합물을 만들며, 스틸렌계수지, 올리핀계수지, 염화비닐계수지, 메타크릴수지, 폴리카보네이트, 폴리아세탈, 폴리아미드, PPO베이스 및 PBT사출용 수지 중의 하나인 사출용 수지와 상기 배합물을 3:7 내지 7:3의 중량비로 배합 조성하는 것으로 이루어지는 톱밥이 배합되는 사출용 수지의 조성방법.One or more of wood, fallen leaves, rice straw, barley straw and reed and sawdust are mixed to make a powder of 100 to 1000 mesh state, and the powder and glue are mixed in a weight ratio of 9: 1 to make a blend, and a styrene coefficient Resins for injection, which are one of resins, olefinic resins, vinyl chloride resins, methacryl resins, polycarbonates, polyacetals, polyamides, PPO bases, and PBT injection resins, and the combination The composition method of resin for injection into which sawdust which consists of a compounding composition by weight ratio is mix | blended.
KR1019970010663A 1997-03-21 1997-03-21 Compounding method of injection molding resin containing sawdust KR100219741B1 (en)

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KR101799588B1 (en) 2015-01-15 2017-11-21 한남대학교 산학협력단 A eco-friendly ductility composition for injection molding

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KR950006793A (en) * 1993-08-31 1995-03-21 배순훈 Compact disc changer

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950006793A (en) * 1993-08-31 1995-03-21 배순훈 Compact disc changer

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