KR100400274B1 - 폴리클로로트리플루오로에틸렌의 성형방법 및 그 성형품 - Google Patents
폴리클로로트리플루오로에틸렌의 성형방법 및 그 성형품 Download PDFInfo
- Publication number
- KR100400274B1 KR100400274B1 KR10-2001-0029274A KR20010029274A KR100400274B1 KR 100400274 B1 KR100400274 B1 KR 100400274B1 KR 20010029274 A KR20010029274 A KR 20010029274A KR 100400274 B1 KR100400274 B1 KR 100400274B1
- Authority
- KR
- South Korea
- Prior art keywords
- hours
- polychlorotrifluoroethylene
- mold
- pctfe
- temperature
- Prior art date
Links
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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/34—Feeding the material to the mould or the compression means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
- B29B13/021—Heat treatment of powders
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/006—Pressing and sintering powders, granules or fibres
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/52—Heating or cooling
-
- 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
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
Abstract
Description
Claims (3)
- 분말상태의 폴리클로로트리플루오로에틸렌을 120 ∼ 180℃의 온도에서 2시간 ∼ 4시간정도 건조하여 수분과 불용가스를 제거하는 준비단계(S10a);소정형상의 금형(20, 30, 40)을 350 ∼ 380℃의 온도에서 2시간 ∼ 4시간정도 예열하는 준비단계(S10b);상기 폴리클로로트리플루오로에틸렌(26) 분말을 예열된 상기 금형(20, 30, 40)에 충분히 담은 후 개방상태에서 250 ∼ 280℃의 온도를 4시간 ∼ 6시간정도 유지시켜 원료를 용융시키는 단계(S20);상기 금형(20, 30, 40)을 닫은 폐쇄상태에서 100 ∼ 200톤의 압력으로 20 ∼ 40분동안 가압하는 단계(S30);상기 금형(20, 30, 40)에 100톤 미만의 압력을 20 ∼ 40분동안 가하여 고형화하는 단계(S40);상기 금형(20, 30, 40)을 제거한 뒤, 고형화된 폴리클로로트리플루오로에틸렌을 180 ∼ 230℃의 온도에서 4 ∼ 6시간 정도 후열처리하는 단계(S50); 및고형화된 상기 폴리클로로트리플루오로에틸렌을 상온까지 자연냉각시키는 서냉단계(S60)를 포함하는 것을 특징으로 하는 폴리클로로트리플루오로에틸렌의 성형방법.
- 제 1 항에 기재된 폴리클로로트리플루오로에틸렌의 성형방법에 의해 성형된폴리클로로트리플루오로에틸렌의 성형품.
- 제 2 항에 있어서, 상기 폴리클로로트리플루오로에틸렌의 형상은 판재, 봉재, 관재중 어느 하나인 것을 특징으로 하는 폴리클로로트리플루오로에틸렌의 성형품.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0029274A KR100400274B1 (ko) | 2001-05-26 | 2001-05-26 | 폴리클로로트리플루오로에틸렌의 성형방법 및 그 성형품 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0029274A KR100400274B1 (ko) | 2001-05-26 | 2001-05-26 | 폴리클로로트리플루오로에틸렌의 성형방법 및 그 성형품 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010070609A KR20010070609A (ko) | 2001-07-27 |
KR100400274B1 true KR100400274B1 (ko) | 2003-10-01 |
Family
ID=19710016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0029274A KR100400274B1 (ko) | 2001-05-26 | 2001-05-26 | 폴리클로로트리플루오로에틸렌의 성형방법 및 그 성형품 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100400274B1 (ko) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR910004324A (ko) * | 1989-08-02 | 1991-03-28 | 다께바야시 쇼오고 | 불소수지 회전성형체 및 그 제조방법 |
JPH04189527A (ja) * | 1990-11-26 | 1992-07-08 | Toho Kasei Kk | 丸棒の押出し成形方法および装置 |
-
2001
- 2001-05-26 KR KR10-2001-0029274A patent/KR100400274B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR910004324A (ko) * | 1989-08-02 | 1991-03-28 | 다께바야시 쇼오고 | 불소수지 회전성형체 및 그 제조방법 |
JPH04189527A (ja) * | 1990-11-26 | 1992-07-08 | Toho Kasei Kk | 丸棒の押出し成形方法および装置 |
Also Published As
Publication number | Publication date |
---|---|
KR20010070609A (ko) | 2001-07-27 |
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