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KR910000905B1 - Method for manufacturing breathable pipe and flat sheet mainly based on polyethylene - Google Patents

Method for manufacturing breathable pipe and flat sheet mainly based on polyethylene Download PDF

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Publication number
KR910000905B1
KR910000905B1 KR1019880009072A KR880009072A KR910000905B1 KR 910000905 B1 KR910000905 B1 KR 910000905B1 KR 1019880009072 A KR1019880009072 A KR 1019880009072A KR 880009072 A KR880009072 A KR 880009072A KR 910000905 B1 KR910000905 B1 KR 910000905B1
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polyethylene
flat sheet
anhydrous
mainly based
pipe
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KR900001481A (en
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이종열
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이종열
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    • 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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/002—Panels; Plates; Sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

내용 없음.No content.

Description

폴리에칠렌을 주재로한 통기성 파이프 및 평판 시트 제조 방법Method for manufacturing breathable pipe and flat sheet mainly based on polyethylene

제1도는 본 발명 방법에 의하여 얻어진 파이프의 사시도.1 is a perspective view of a pipe obtained by the method of the present invention.

제2도는 본 발명 방법에 의하여 얻어진 평판 시트 사시도.2 is a perspective view of a flat sheet obtained by the method of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 파이프 1' : 기공1: Pipe 1 ': Pore

2 : 평판 2' : 기공2: Reputation 2 ': Pore

본 발명은 폴리에칠렌을 주재로한 통기성 파이프 및 평판 시트의 제조 방법에 관한 것이다.The present invention relates to a method for producing breathable pipes and flat sheets based on polyethylene.

통기성 파이프나 평판 시트는 이의 사용 범위는 날로 증가되고 있는 것이다.In the case of breathable pipes or flat sheets, their range of use is increasing day by day.

즉 수족관의 기포 발생기, 자동차의 가솔린 필터, 윤활유 필터, 각종 에어 필터 및 물의 여과 필터로서 널리 이용되고 있으며 문화생활의 수준이 높아짐에 따라 이의 수요 범위는 증가 추세에 있다.That is, it is widely used as a bubble generator of an aquarium, a gasoline filter of an automobile, a lubricating oil filter, various air filters, and a water filtration filter. As the level of cultural life increases, the demand range thereof is increasing.

그러나 종래의 필터는 망상체나 부직포 또는 스폰지등으로 이용하고 있어 이는 양산성이 없고 고가일뿐만 아니라 내약품성이 결여된 단점이 있었던 것이다.However, the conventional filter is used as a reticular body, nonwoven fabric, or sponge, which is not mass-produced and expensive, and has a disadvantage of lacking chemical resistance.

본 발명은 이상의 문제점을 해결하고자 발명한 것으로 이의 발명 요지는 과립상 또는 분쇄형 입자인 폴리에칠렌에 수용성 충진제인 무수망초(Na2SO4) 적량과 계면 활성제로서 합성세제 적량을 배합하여 압출 또는 압연 성형한 후 이성형물을 물속에 투입하여 이상의 수요성 충진제를 녹아내면 용해 제거된 위치에 통기성 통로가 형성되게 한데 특징이 있는 것이다.The present invention has been invented to solve the above problems, the present invention is extrusion or roll forming by combining a suitable amount of water-soluble filler anhydrous manganese (Na 2 SO 4 ) and synthetic detergent as a surfactant to the polyethylene granules or crushed particles. After the isomer is poured into the water to dissolve the above-mentioned demand filler, it is characterized in that a ventilated passage is formed at the dissolved position.

이를 도면을 참조하면서 관체와 시트 또는 조형물의 실시예를 상세히 설명하면 다음과 같다.An embodiment of the tube and the sheet or the sculpture is described in detail with reference to the drawings.

[제1공정][Step 1]

과립형 또는 분쇄형 폴리에칠렌 100부에 대하여 소금인 2NaCl과 황산(H2SO4)을 화학 반응시켜 얻어진 무수망초(Na2SO4+2Hc↑)를 10-50

Figure kpo00001
범위와 고형 합성세제 5
Figure kpo00002
비로 혼합함에 있어서 먼저 무수망초(Na2SO4)와 고형 합성세제를 혼합기를 이용하여 충분히 혼합한 후 모제인 폴리에칠렌과 혼합한다.Anhydrous forget-me-not (Na 2 SO 4 + 2Hc ↑) obtained by chemical reaction of 2NaCl, a salt, and sulfuric acid (H 2 SO 4 ), with respect to 100 parts of granular or pulverized polyethylene, 10-50
Figure kpo00001
Scope and solid detergents 5
Figure kpo00002
In mixing by ratio, anhydrous forget-me-not (Na 2 SO 4 ) and a solid synthetic detergent are sufficiently mixed by using a mixer, and then mixed with the polyethylene, which is the mother agent.

[제2공정][Step 2]

제1공정에서 얻은 재료를 통상의 압출기 또는 압연기에 투입하여 임의의 파이프나 평판 시트 또는 조형물을 성형한다.The material obtained in the first step is introduced into a conventional extruder or rolling mill to form an arbitrary pipe, flat sheet or a molded product.

[제3공정][Step 3]

제2공정에서 얻어진 성형물을 150

Figure kpo00003
-20
Figure kpo00004
의 물속에 투입하여 합성세제와 무수망초(Na2SO4)를 녹여 내므로서 다공체인 통기성 제품을 얻는다.The molding obtained in the second step was 150
Figure kpo00003
-20
Figure kpo00004
It is dissolved in synthetic detergent and anhydrous forget-me-not (Na 2 SO 4 ) to obtain a porous product.

이때 무수망초(Na2SO4)와 함께 혼합된 합성세제는 무수망초(Na2SO4)가 모제인 폴리에칠렌에 밀착되지 못하게 계면을 활성화시키는 구실을 하여 주므로 무수망초(Na2SO4)는 물에 의해 용이하게 용해되어 녹아 내리게 된다.At this time, anhydrous Glauber's salt (Na 2 SO 4) and the detergent mixed with the anhydrous Glauber's salt (Na 2 SO 4) is because in the role of activating the interface let be in close contact with the base agent polyethylene anhydrous Glauber's salt (Na 2 SO 4) is water It is easily dissolved and melted by.

이상과 같이 하여 얻어진 본 발명의 제품은 내약품성이 우수하고 견고하며 파이프와 같은 관체나 평판 시트 또는 다양한 몰트 성형물을 얻을 수 있고 이때 형성된 가공은 발포성이 아니고 기공이 연속된 통기성이므로 이는 여과 효과가 월등하며 또한 이에 사용되는 충진제의 과립도의 크기나 이의 투입량을 가감하면 기공의 형상과 조밀도를 임의 조절할 수 있는 것이다.The product of the present invention obtained as described above is excellent in chemical resistance, and can obtain a pipe-like tube or flat sheet or various malt moldings, and the processing formed at this time is not foamy, but pores are continuously breathable, so that the filtration effect is excellent. In addition, the size and density of the granules of the filler used therein can be adjusted to reduce the shape and density of the pores.

이상과 같이 본 발명은 통기성 관체나 시트 또는 성형물을 다양하게 얻을 수 있고 또한 용도에 알맞게 기공의 형상과 밀도를 임의 조절할 수 있어 산업적으로 매우 유용한 것이다.As described above, the present invention can obtain a variety of breathable tube, sheet or molded article, and can also arbitrarily adjust the shape and density of the pores according to the application, which is very useful industrially.

Claims (1)

과립 또는 분쇄형 폴리에칠렌 100부에 대하여 충진제로서 소금(2NaCl)과 황산(H2SO4)를 화학반응시켜 얻어진 수용성 무수망초(Na2SO4) 10-50
Figure kpo00005
범위 및 계면활성제로서 통상의 합성세제 5
Figure kpo00006
비를 혼합기로 충분히 혼합하여 이를 압출기 또는 압연기에 투입하여 임의의 형태를 성형한 후 이를 상온의 물에 투입하여 이상의 무수망초(Na2SO4)와 합성세제를 녹여 내므로서 녹여진 그 자리에 통기성 통로가 형성되게 함을 특징으로 한 폴리에칠렌을 주재로한 통기성 파이프 및 평판 시트의 제조방법.Water-soluble anhydrous anhydrous (Na 2 SO 4 ) 10-50 obtained by chemical reaction of salt (2NaCl) with sulfuric acid (H 2 SO 4 ) as a filler for 100 parts of granular or ground polyethylene.
Figure kpo00005
Synthetic Detergent 5 as a Range and Surfactant 5
Figure kpo00006
After mixing the ratio with a mixer sufficiently, it is introduced into an extruder or a rolling mill to form an arbitrary shape, and then it is put into water at room temperature to melt the anhydrous forget-me-not (Na 2 SO 4 ) and synthetic detergent, and breathable in its place. A method for producing a breathable pipe and a sheet based on polyethylene, characterized in that the passage is formed.
KR1019880009072A 1988-07-19 1988-07-19 Method for manufacturing breathable pipe and flat sheet mainly based on polyethylene Expired KR910000905B1 (en)

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KR910000905B1 true KR910000905B1 (en) 1991-02-18

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100403868B1 (en) * 2001-01-13 2003-11-01 이우원 A porous filter made of rock wool and a method for manufacturing same
EP1306954B1 (en) * 2001-10-29 2011-07-27 ABB Research Ltd. Insulating spacer with integrated barrier for gas-insulated electrical installation

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