KR100781691B1 - 재활용 봉투, 그 제조방법 및 제조장치 - Google Patents
재활용 봉투, 그 제조방법 및 제조장치 Download PDFInfo
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- KR100781691B1 KR100781691B1 KR1020070049832A KR20070049832A KR100781691B1 KR 100781691 B1 KR100781691 B1 KR 100781691B1 KR 1020070049832 A KR1020070049832 A KR 1020070049832A KR 20070049832 A KR20070049832 A KR 20070049832A KR 100781691 B1 KR100781691 B1 KR 100781691B1
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- Prior art keywords
- resin
- extrusion
- film
- density polyethylene
- bag
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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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
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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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/0005—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor characterised by the material
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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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
- B29C49/04102—Extrusion blow-moulding extruding the material continuously
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- 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
- B29K2023/0608—PE, i.e. polyethylene characterised by its density
- B29K2023/0625—LLDPE, i.e. linear low density polyethylene
-
- 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
- B29K2023/0608—PE, i.e. polyethylene characterised by its density
- B29K2023/0633—LDPE, i.e. low density polyethylene
-
- 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
- B29K2023/0608—PE, i.e. polyethylene characterised by its density
- B29K2023/065—HDPE, i.e. high density polyethylene
-
- 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
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/26—Scrap or recycled material
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- 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
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7128—Bags, sacks, sachets
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
Description
Claims (7)
- 삭제
- 칩으로 재생수지인 저밀도, 고밀도 폴리에틸렌과 원수지인 선형저밀도 폴리에틸렌을 혼합, 용융시켜 재활용 봉투를 제작하는 제조방법에 있어서,상기 재생수지인 저밀도 폴리에틸렌 70중량% ~ 90중량%와 고밀도 폴리에틸렌 10% ~ 30%을 혼합하여 필름수지를 구비하고, 상기 구비된 필름수지 100중량부에 대하여 원수지인 선형저밀도 폴리에틸렌 1 ~ 10 중량부, 안료 0.1 ~ 5 중량부를 혼합하며, 상기 필름수지를 통상의 필름수지의 압출 속도보다 10% ~ 30% 감속하여 압출시키는 열분해 용융 압출장치에 투입한 후 필름수지를 겔 상태로 용융시키면서 이송시켜 공기가 공급되는 블로우 압출금형의 블로우 다이스에 형성된 압출통로를 통해 원통형의 필름을 연속적으로 성형하여 이루어지는 것을 특징으로 하는 재활용 봉투의 제조방법.
- 제 2 항에 있어서,상기 배출되는 필름수지는 블로우 다이스의 압출통로의 크기보다 1.2 ~ 1.6 배를 이루며 점차 확대된 후 최종적으로 2 ~ 4배의 크기를 이루며 연속적으로 배출되는 것을 특징으로 하는 재활용 봉투의 제조방법.
- 삭제
- 재생수지와 원수지를 용융시켜 겔 상태로 가공하고, 이를 배출시켜 냉각과 동시에 원통형의 필름을 연속적으로 압출시키는 블로우 다이스를 포함하는 블로우 압출금형이 설치된 열분해 용융 압출장치로서,상기 불로우 다이스는 그 중심으로 가이드벽에 의해서 둘러싸인 압출홈이 형성되고, 상기 압출홈의 내측으로는 상기 용융된 겔 상태의 필름수지가 압출되는 원형의 압출통로가 형성되며, 상기 압출통로의 중심으로는 맨드럴축이 압출되는 방향으로 설치되되, 상기 맨드럴축은 상향으로 연장될수록 점층적으로 넓어지고, 넓어지는 사이로는 마디를 이루는 단차로 형성되어 상기 압출통로를 통해 압출된 필름수지를 맨드럴축의 외면을 따라 경화시키면서 안내시켜 필름상태로 이송되도록 하는 것을 특징으로 하는 재활용 봉투의 제조장치.
- 제 5항에 있어서,상기 맨드럴축을 따라 안내되는 필름은 통상의 맨드럴축의 길이를 기준으로 50 ~ 70%가 되는 길이에서 점착 확대되어 원통형의 봉투의 형상을 이루는 것을 특징으로 하는 재활용 봉투의 제조장치.
- 제 2항에 의해서 제조된 재활용 봉투.
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KR1020070049832A KR100781691B1 (ko) | 2007-05-22 | 2007-05-22 | 재활용 봉투, 그 제조방법 및 제조장치 |
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KR1020070049832A KR100781691B1 (ko) | 2007-05-22 | 2007-05-22 | 재활용 봉투, 그 제조방법 및 제조장치 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160082032A (ko) * | 2014-12-30 | 2016-07-08 | 이승호 | 비닐 봉투 |
KR20180078111A (ko) | 2016-12-28 | 2018-07-09 | (주)산수유케미컬 | 컴프레셔 재활용장치 |
KR20180078110A (ko) | 2016-12-28 | 2018-07-09 | (주)산수유케미컬 | 변기 히트시트 재활용장치 |
KR102061759B1 (ko) * | 2019-10-01 | 2020-01-02 | 노환 | 재생플라스틱 제품 생산용 재생플라스틱 펠릿 제조방법 |
KR102197659B1 (ko) * | 2020-01-17 | 2020-12-31 | 김종길 | 플라스틱 봉투의 제조 방법 및 장치 |
KR20210043226A (ko) | 2019-10-11 | 2021-04-21 | 최주영 | 비데시트 열선포일 가열분리기 |
CN112895371A (zh) * | 2018-08-09 | 2021-06-04 | 桐乡市凯瑞包装材料有限公司 | 一种多用途易降解改良型收纳储物袋的制作方法 |
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KR20040085533A (ko) * | 2003-03-31 | 2004-10-08 | 오세인 | 향기나는 폴리에틸렌필름 포장재와 그 제조방법 |
KR20040101812A (ko) * | 2003-05-27 | 2004-12-03 | 한국생산기술연구원 | 농업용 폐비닐과 폐비닐봉지의 재생방법 |
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- 2007-05-22 KR KR1020070049832A patent/KR100781691B1/ko active IP Right Grant
Patent Citations (2)
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KR20040085533A (ko) * | 2003-03-31 | 2004-10-08 | 오세인 | 향기나는 폴리에틸렌필름 포장재와 그 제조방법 |
KR20040101812A (ko) * | 2003-05-27 | 2004-12-03 | 한국생산기술연구원 | 농업용 폐비닐과 폐비닐봉지의 재생방법 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160082032A (ko) * | 2014-12-30 | 2016-07-08 | 이승호 | 비닐 봉투 |
KR101649681B1 (ko) * | 2014-12-30 | 2016-08-19 | 이승호 | 비닐 봉투 |
KR20180078111A (ko) | 2016-12-28 | 2018-07-09 | (주)산수유케미컬 | 컴프레셔 재활용장치 |
KR20180078110A (ko) | 2016-12-28 | 2018-07-09 | (주)산수유케미컬 | 변기 히트시트 재활용장치 |
CN112895371A (zh) * | 2018-08-09 | 2021-06-04 | 桐乡市凯瑞包装材料有限公司 | 一种多用途易降解改良型收纳储物袋的制作方法 |
KR102061759B1 (ko) * | 2019-10-01 | 2020-01-02 | 노환 | 재생플라스틱 제품 생산용 재생플라스틱 펠릿 제조방법 |
KR20210043226A (ko) | 2019-10-11 | 2021-04-21 | 최주영 | 비데시트 열선포일 가열분리기 |
KR102197659B1 (ko) * | 2020-01-17 | 2020-12-31 | 김종길 | 플라스틱 봉투의 제조 방법 및 장치 |
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