KR101797123B1 - 폴리에스테르 과립의 잔열을 이용한 분자량 증대 방법 - Google Patents
폴리에스테르 과립의 잔열을 이용한 분자량 증대 방법 Download PDFInfo
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- KR101797123B1 KR101797123B1 KR1020137009261A KR20137009261A KR101797123B1 KR 101797123 B1 KR101797123 B1 KR 101797123B1 KR 1020137009261 A KR1020137009261 A KR 1020137009261A KR 20137009261 A KR20137009261 A KR 20137009261A KR 101797123 B1 KR101797123 B1 KR 101797123B1
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- 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
- B29B9/00—Making granules
- B29B9/16—Auxiliary treatment of granules
-
- 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
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
- B29B9/065—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion under-water, e.g. underwater pelletizers
-
- 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
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/88—Post-polymerisation treatment
-
- 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
- B29B9/00—Making granules
- B29B9/16—Auxiliary treatment of granules
- B29B2009/165—Crystallizing granules
-
- 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
- B29B9/00—Making granules
- B29B9/16—Auxiliary treatment of granules
- B29B2009/168—Removing undesirable residual components, e.g. solvents, unreacted monomers; Degassing
-
- 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
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Description
공기로 열 처리(Thermal treatment with air) | 시간 |
과립 베드(granulate bed)의 온도 |
AA |
점도 |
착색력(Colour Powder) |
착색 과립(Colour Granulate) |
||
h | ℃ | ppm | i.V. | L | b | L | b | |
0 | 160 비교 예 |
23.6 | 0.793 | 91.2 | 2.6 | 79.8 | 2.2 | |
12 |
0.8 |
0.783 |
91.9 |
2.4 |
80.4 |
2.2 |
||
0 | 170 비교 예 |
23.6 | 0.793 | 91.2 | 2.6 | 79.8 | 2.2 | |
12 |
0.8 |
0.779 |
92.0 |
2.4 |
80.4 |
1.9 |
||
0 | 180 |
23.6 | 0.793 | 91.2 | 2.6 | 79.8 | 2.2 | |
12 | 0.5 | 0.813 | 92.9 | 2.2 | 82.1 | 2.7 | ||
0 | 190 |
23.6 | 0.793 | 91.2 | 2.6 | 79.8 | 2.2 | |
12 | 0.3 | 0.820 | 93.2 | 2.4 | 82.1 | 3.0 | ||
0 | 200 |
23.6 | 0.793 | 91.2 | 2.6 | 79.8 | 2.2 | |
12 | 0.2 | 0.884 | 93.3 | 2.8 | 82.5 | 3.9 |
질소로 열 처리(Thermal treatment with N2) |
시간 |
과립 베드(granulate bed)의 온도 |
AA |
점도 |
착색력(Colour Powder) |
착색 과립(Colour Granulate) |
||
h | ℃ | ppm | i.V. | L | b | L | b | |
0 | 180 |
23.6 | 0.793 | 92.0 | 1.9 | 81.2 | 1.9 | |
12 | 0.8 | 0.850 | 91.0 | 2.5 | 80.4 | 2.5 | ||
0 | 190 |
23.6 | 0.793 | 92.0 | 1.9 | 81.2 | 1.9 | |
12 | 0.6 | 0.905 | 91.2 | 2.7 | 82.6 | 3.4 | ||
0 | 200 |
23.6 | 0.793 | 92.0 | 1.9 | 81.2 | 1.9 | |
12 | 0.4 | 0.999 | 90.9 | 2.8 | 82.8 | 2.8 |
공기로 열 처리 | 시간 |
과립 베드(granulate bed)의 온도 | AA |
점도 |
착색 과립 |
||
h | ℃ | ppm | i.V. | L | a | b | |
0 | 182.2 |
15.5 | 0.761 | 82.1 | -1.8 | -1.9 | |
12 | 1.0 | 0.807 | 85.8 | -1.4 | -0.7 | ||
0 | 183.6 |
16.6 | 0.745 | 81.9 | -1.8 | -1.8 | |
12 | 1.0 | 0.800 | 86.0 | -1.5 | -0.5 | ||
0 | 183.9 |
17.7 | 0.752 | 81.6 | -1.8 | -1.5 | |
12 | 0.7 | 0.803 | 85.7 | -1.3 | -0.4 | ||
0 | 184.0 |
18.4 | 0.751 | 80.0 | -1.6 | -5.4 | |
12 | 0.5 | 0.804 | 82.5 | -1.1 | -3.3 | ||
0 | 186.0 |
15.9 | 0.795 | 77.9 | -1.2 | -3.7 | |
12 | 0.5 | 0.844 | 78.8 | -1.0 | -2.5 |
Claims (26)
- 비접착 폴리에스테르 과립(non-adhering polyester granulate)의 제조 동안 잔열을 사용한 분자량의 직접적 증가 방법으로서,
a) 용융물로서 폴리에스테르 원료는 노즐을 통해 가압되고 냉각수 흐름에서 과립화되며, 냉각수 스트레치(cooling water stretch)를 관통한 후 냉각수 흐름에서 분리되고,
b) 단계 a) 직후, 단계 a)에서 얻어진 과립 베드(bed of the granulate)는 열 건조되고, 과립 베드를 가스 또는 혼합가스의 가스 흐름으로 공급하여 후처리하며,
상기 단계 b) 동안, 사용된 과립 또는 공급된 가스 흐름의 가스 또는 혼합 가스는 외부 에너지를 투입해서 가열되지 않고, 가스 흐름은 공조 장치(conditioning device)에서 과립의 유도 방향의 역 방향으로 유도되고, 단계 b)에 도입 전에 과립 베드의 평균 온도는 170℃ 이상으로 조절되며, 공급되기 전의 가스 또는 혼합 가스는 ≤0℃의 이슬점(dew point)을 가지는 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항에 있어서,
가스 또는 혼합 가스는 질소, 공기, 불활성 가스 및/또는 이들의 혼합물로 존재하는 그룹에서 선택되는 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
a) 단계 b)에서 가스 흐름의 유속은 0.01~0.5m/s이며, 및/또는
b) b)단계에서 공급된 혼합 가스는 사용된 과립 1 kg당 0.05~1kg가 공급되는 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
상기 단계 b)에서 과립의 체류 시간은 1~30시간인 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
상기 단계 a)에서 생산된 과립은 5~30mg의 평균 입자량(average particle weight)으로 과립화되는 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
상기 단계 a)의 냉각 스트레치에서 과립의 체류 시간은 0.1~2s인 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
상기 단계 b)로 도입 하기 전에 과립 베드의 평균 온도는 175~220℃의 온도로 조절되는 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
상기 단계 a)에서 냉각수의 온도는 40~98℃인 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
단계 a) 및 b)사이에서, 과립에 부착된 물은 원심 분리기로 제거되는 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
혼합 가스는 과립에 공급된 후 과립으로부터 분리되고, 단계 a)의 냉각수에서 분리되는 과립의 분리 및/또는 예비건조(predrying)를 위해 사용되는 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
상기 단계 b)에서 분리된 가스 흐름은 두개의 부분 흐름으로 나뉘고, 제 1 부분 흐름은 단계 a)에서 단계 b)로 유도된 과립에 의해 역방향으로 접촉되며, 제 2 부분 흐름은 단계 a)의 냉각수로부터 과립의 분리를 위해 사용되는 원심 분리기로 유도되는 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
상기 단계 a)에서 사용된 폴리에스테르 원료(polyester raw material)는 적어도 하나의 디올(diol)과 적어도 하나의 디카르복실 산(dicarboxylic acid)의 앞선 축중합 반응(polycondensation reaction) 또는 적어도 하나의 디카르복실 산 디에스테르(dicarboxylic acid diester)와 적어도 하나의 디올의 재에스테르화 반응(reesterification reaction)에 의해 생산되거나 폴리에스테르 원료의 용융에 의해 얻어지는 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
a) 단계 b)에서 가스 흐름의 유속은 0.05~0.15m/s이며, 및/또는
b) b)단계에서 공급된 혼합 가스는 사용된 과립 1 kg당 0.1~0.5kg가 공급되는 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
a) 단계 b)에서 가스 흐름의 유속은 0.01~0.5m/s이며, 및/또는
b) b)단계에서 공급된 혼합 가스는 사용된 과립 1 kg당 0.1~0.5kg가 공급되는 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
a) 단계 b)에서 가스 흐름의 유속은 0.05~0.15m/s이며, 및/또는
b) b)단계에서 공급된 혼합 가스는 사용된 과립 1 kg당 0.05~1kg가 공급되는 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
상기 단계 b)에서 과립의 체류 시간은 4~20시간인 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
상기 단계 b)에서 과립의 체류 시간은 6~14시간인 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
상기 단계 b)에서 과립의 체류 시간은 8~12시간인 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
상기 단계 a)에서 생산된 과립은 8~20mg의 평균 입자량(average particle weight)으로 과립화되는 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
상기 단계 a)에서 생산된 과립은 10~16mg의 평균 입자량(average particle weight)으로 과립화되는 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
상기 단계 a)의 냉각 스트레치에서 과립의 체류 시간은 0.2~0.8s인 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
상기 단계 b)로 도입 하기 전에 과립 베드의 평균 온도는 175~195℃의 온도로 조절되는 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
상기 단계 b)로 도입 하기 전에 과립 베드의 평균 온도는 180~190℃의 온도로 조절되는 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
상기 단계 a)에서 냉각수의 온도는 75~90℃인 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
공급되기 전의 가스 또는 혼합 가스는 ≤-10℃의 이슬점(dew point)을 가지는 것을 특징으로 하는, 분자량의 직접적 증가 방법. - 제 1항 또는 2항에 있어서,
공급되기 전의 가스 또는 혼합 가스는 ≤-40℃의 이슬점(dew point)을 가지는 것을 특징으로 하는, 분자량의 직접적 증가 방법.
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PCT/EP2011/000798 WO2012041406A1 (de) | 2010-09-28 | 2011-02-18 | Verfahren zur erhöhung des molekulargewichts unter nutzung der restwärme von polyestergranulat |
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RU2685299C1 (ru) * | 2016-06-21 | 2019-04-17 | Юоп Ллк | Способ и устройство для кристаллизации и повышения молекулярной массы полимерных частиц |
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DE102020203563A1 (de) | 2020-03-19 | 2021-09-23 | Thyssenkrupp Ag | Verfahren zur Herstellung eines (Co-)Polyesters, (Co-)Polyester und Verwendungen hiervon |
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