KR102010450B1 - 프로필렌계 고분자를 이용한 저비중 성형 폼의 제조방법 - Google Patents
프로필렌계 고분자를 이용한 저비중 성형 폼의 제조방법 Download PDFInfo
- Publication number
- KR102010450B1 KR102010450B1 KR1020180119877A KR20180119877A KR102010450B1 KR 102010450 B1 KR102010450 B1 KR 102010450B1 KR 1020180119877 A KR1020180119877 A KR 1020180119877A KR 20180119877 A KR20180119877 A KR 20180119877A KR 102010450 B1 KR102010450 B1 KR 102010450B1
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- KR
- South Korea
- Prior art keywords
- mold
- propylene
- based polymer
- specific gravity
- foaming composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Images
Classifications
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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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
- B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
- B29C44/0407—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities by regulating the temperature of the mould or parts thereof, e.g. cold mould walls inhibiting foaming of an outer layer
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3442—Mixing, kneading or conveying the foamable material
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/025—Foaming in open moulds, followed by closing the moulds
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
- B29C44/1228—Joining preformed parts by the expanding material
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3415—Heating or cooling
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3492—Expanding without a foaming agent
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/32—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
-
- 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
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
-
- 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
- B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
- B29K2033/18—Polymers of nitriles
- B29K2033/20—PAN, i.e. polyacrylonitrile
-
- 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
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
- B29K2105/048—Expandable particles, beads or granules
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/22—Expandable microspheres, e.g. Expancel®
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
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Abstract
Description
비교예 1 | 비교예 2 | 실시예 1 | 비교예 3 | 실시예 2 | 비교예 4 | 실시예 3 | 비교예 5 | 비교예 6 | 비교예 7 | |
PP-1 | 100 | 100 | 100 | 100 | 100 | 100 | ||||
PP-2 | 100 | 100 | ||||||||
PP-3 | 100 | 100 | ||||||||
TEMS-1 | 10.0 | 10.0 | ||||||||
TEMS-2 | 10.0 | 10.0 | 10.0 | |||||||
TEMS-3 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | |||||
압출온도 (℃) | 175 | 175 | 175 | 178 | 178 | 155 | 155 | 175 | 175 | 175 |
펠렛비중 | (0.15) | (0.38) | 0.89 | (0.35) | 0.90 | (0.45) | 0.89 | 0.89 | 0.89 | 0.89 |
금형투입량 (g) | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 32 |
금형온도 (℃) | 170 | 200 | 220 | 200 | 220 | 170 | 200 | (190) | (260) | 220 |
가열시간 (분) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
냉각온도 (℃) | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
냉각시간 (분) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
진공유무 | 무 | 무 | 무 | 무 | 무 | 무 | 무 | 무 | 무 | 무 |
발포상태 | (발포 안됨) | (발포 안됨) | 양호 | (발포 안됨) | 양호 | (발포 안됨) | 양호 | (발포 안됨) | (변형, 변색 및 수축) |
(양부족) |
팽창품의 금형채움상태 | (덜 참) | (덜 참) | 가득 참 | (덜 참) | 가득 참 | (덜 참) | 가득 참 | (덜 참) | 가득 참 | (덜 참) |
성형 폼비중 | 0.05 | 0.05 | 0.05 | 0.85 | 0.10 | 0.047 | ||||
성형 폼 경도 (Shore C) |
65 | 70 | 40 | |||||||
성형 폼 적합여부 | (부적) | (부적) | 적합 | (부적) | 적합 | (부적) | 적합 | (부적) | (부적) | (부적) |
실시예 4 | 실시예 5 | 비교예 8 | 비교예 9 | 비교예 10 | 실시예 6 | 비교예 11 | 비교예 12 | 비교예 13 | |
PP-1 | 100 | 100 | 100 | ||||||
PP-2 | |||||||||
PP-3 | 100 | 100 | 100 | 100 | 100 | 100 | |||
TEMS-1 | |||||||||
TEMS-2 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | ||
TEMS-3 | 10.0 | 13.0 | |||||||
압출온도 (℃) | 175 | 175 | 155 | 155 | 155 | 155 | 155 | 155 | 175 |
펠렛비중 | 0.89 | 0.89 | 0.89 | 0.89 | 0.89 | 0.89 | 0.89 | 0.89 | (0.38) |
금형투입량 (g) | 32 | 32 | 40 | 40 | 32 | 32 | 40 | 40 | 40 |
금형온도 (℃) | 220 | 220 | (160) | (230) | 200 | 200 | 200 | ||
가열시간 (분) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 30 |
냉각온도 (℃) | 50 | 50 | 50 | 50 | 50 | 50 | 125 | 125 | 50 |
냉각시간 (분) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | (30) | 10 |
진공유무 | 유 | 무 | 무 | 유 | 무 | 무 | 무 | ||
발포상태 | 양호 | 양호 | (발포 안됨) | (변형, 변색 및 수축) |
(양 부족) | 양호 | (변형) | 양호 | 양호 |
팽창품의 금형채움상태 | 가득 참 | 가득 참 | (덜 참) | 가득 참 | (덜 참) | 가득 참 | 가득 참 | 가득 참 | 가득 참 |
성형 폼비중 | 0.04 | 0.04 | 0.85 | 0.11 | 0.045 | 0.04 | 0.047 | 0.05 | 0.05 |
성형 폼 경도 (Shore C) |
52 | 53 | 32 | 40 | |||||
성형 폼 적합여부 | 적합 | 적합 | (부적) | (부적) | (부적) | 적합 | (부적) | 적합 | (부적) |
Claims (15)
- 프로필렌계 고분자와 열팽창성 미소구의 혼합물을 포함하는 발포용 조성물을 제공하는 단계;
상기 발포용 조성물을 성형 폼을 제조하기 위한 금형 내에 도입하는 단계;
상기 열팽창성 미소구의 팽창시작온도(Tstart)가 상기 프로필렌계 고분자의 DSC 융점보다 높고 상기 발포용 조성물을 상기 열팽창성 미소구의 팽창시작온도(Tstart) 이상으로 승온시켜 상기 발포용 조성물을 상기 금형 내에서 팽창시키는 단계;
상기 발포용 조성물이 팽창되어 상기 금형을 채운 상태에서 성형 폼을 형성시키는 단계; 및
상기 발포용 조성물을 상기 금형 내에서 팽창시켜 상기 금형을 실질적으로 가득 채운 상태에서 냉각시킨 후에 상기 금형으로부터 상기 성형 폼을 탈형시키는 단계를 포함하는 프로필렌계 고분자를 이용한 저비중 성형 폼의 제조방법. - 제1 항에 있어서,
상기 발포용 조성물은 상기 혼합물을 압출하여 제조한 것인 프로필렌계 고분자를 이용한 저비중 성형 폼의 제조방법. - 제1 항에 있어서,
상기 발포용 조성물은 펠렛, 봉상 또는 시트 형태를 갖는 것인 프로필렌계 고분자를 이용한 저비중 성형 폼의 제조방법. - 제1 항에 있어서,
상기 발포용 조성물을 상기 금형 내에 도입시 상기 금형 용적의 30% 이하의 양이 되도록 상기 금형을 채우는 것인 프로필렌계 고분자를 이용한 저비중 성형 폼의 제조방법. - 제1 항에 있어서,
상기 금형 내에 도입되는 상기 발포용 조성물이 미발포 상태인 것이거나 미발포 상태를 기준으로 51% 이상의 비중을 갖도록 저발포된 것인 프로필렌계 고분자를 이용한 저비중 성형 폼의 제조방법. - 제1 항에 있어서,
상기 발포용 조성물의 승온은 상기 금형을 열원으로 직접 또는 간접적으로 가열하여 승온하는 것인 프로필렌계 고분자를 이용한 저비중 성형 폼의 제조방법. - 제6 항에 있어서,
상기 금형을 190℃ 초과 230℃ 미만의 온도로 가열하는 것인 프로필렌계 고분자를 이용한 저비중 성형 폼의 제조방법. - 삭제
- 제1 항에 있어서,
상기 열팽창성 미소구의 쉘의 재질이 아크릴로니트릴 공중합체인 것인 프로필렌계 고분자를 이용한 저비중 성형 폼의 제조방법. - 제1 항에 있어서,
상기 발포용 조성물의 팽창시 상기 금형의 내부를 진공 상태로 유지하는 것인 프로필렌계 고분자를 이용한 저비중 성형 폼의 제조방법. - 제1 항에 있어서,
상기 발포용 조성물이 상기 금형을 실질적으로 가득 채운 상태에서 성형온도를 유지하여 상기 금형과 1:1 규격의 상기 성형 폼을 완성시키는 것인 프로필렌계 고분자를 이용한 저비중 성형 폼의 제조방법. - 삭제
- 제1 항에 있어서,
상기 탈형 단계에서 상기 금형의 온도를 상기 프로필렌계 고분자의 Vicat 연화점 또는 결정화 온도 이하로 냉각시킨 뒤 상기 금형을 열고 탈형하는 것인 프로필렌계 고분자를 이용한 저비중 성형 폼의 제조방법. - 제13 항에 있어서,
상기 냉각 시 상기 프로필렌계 고분자의 Vicat 연화점 또는 결정화 온도보다 30℃ 이상 낮은 온도로 냉각하는 것인 저비중 성형 폼의 제조방법. - 삭제
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KR102551420B1 (ko) | 2021-07-28 | 2023-07-04 | 성균관대학교산학협력단 | 열팽창성 고분자 입자를 포함한 코르크 수베린 기반의 폴리에스터 신택틱 폼 및 이의 제조 방법 |
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WO2019160293A1 (ko) | 2019-08-22 |
US20200171717A1 (en) | 2020-06-04 |
JP2020521027A (ja) | 2020-07-16 |
EP3683030A4 (en) | 2021-06-30 |
EP3683030A1 (en) | 2020-07-22 |
CN110709222A (zh) | 2020-01-17 |
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