CN109776848B - 聚乳酸聚合熔体直接制备聚乳酸发泡制品的方法及装置 - Google Patents
聚乳酸聚合熔体直接制备聚乳酸发泡制品的方法及装置 Download PDFInfo
- Publication number
- CN109776848B CN109776848B CN201910016587.8A CN201910016587A CN109776848B CN 109776848 B CN109776848 B CN 109776848B CN 201910016587 A CN201910016587 A CN 201910016587A CN 109776848 B CN109776848 B CN 109776848B
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- China
- Prior art keywords
- polylactic acid
- screw extruder
- melt
- foaming
- stage
- 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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- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/58—Screws provided with seal ring elements, i.e. elements of generally circular and tapered shape for preventing the back flow of the melt
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/69—Filters or screens for the moulding material
- B29C48/691—Arrangements for replacing filters, e.g. with two parallel filters for alternate use
- B29C48/6912—Arrangements for replacing filters, e.g. with two parallel filters for alternate use the filters being fitted on a single rectilinearly reciprocating slide
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/69—Filters or screens for the moulding material
- B29C48/693—Substantially flat filters mounted at the end of an extruder screw perpendicular to the feed axis
-
- 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
- B29K2067/04—Polyesters derived from hydroxycarboxylic acids
- B29K2067/046—PLA, i.e. polylactic acid or polylactide
-
- 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
-
- 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
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
- C08J2201/03—Extrusion of the foamable blend
-
- 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
- C08J2203/06—CO2, N2 or noble gases
-
- 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
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
-
- 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
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
- C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
-
- 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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Biological Depolymerization Polymers (AREA)
- Molding Of Porous Articles (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
Description
Claims (8)
Priority Applications (4)
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CN201910016587.8A CN109776848B (zh) | 2019-01-08 | 2019-01-08 | 聚乳酸聚合熔体直接制备聚乳酸发泡制品的方法及装置 |
JP2021539896A JP7241182B2 (ja) | 2019-01-08 | 2019-07-18 | ポリ乳酸重合溶融体からポリ乳酸発泡製品を直接製造する方法および装置 |
US17/421,017 US20220097274A1 (en) | 2019-01-08 | 2019-07-18 | Method and device for directly preparing foamed polylactic acid (pla) product from pla melt |
PCT/CN2019/096553 WO2020143208A1 (zh) | 2019-01-08 | 2019-07-18 | 聚乳酸聚合熔体直接制备聚乳酸发泡制品的方法及装置 |
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CN201910016587.8A CN109776848B (zh) | 2019-01-08 | 2019-01-08 | 聚乳酸聚合熔体直接制备聚乳酸发泡制品的方法及装置 |
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CN109776848A CN109776848A (zh) | 2019-05-21 |
CN109776848B true CN109776848B (zh) | 2020-06-30 |
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US (1) | US20220097274A1 (zh) |
JP (1) | JP7241182B2 (zh) |
CN (1) | CN109776848B (zh) |
WO (1) | WO2020143208A1 (zh) |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3308940A1 (de) * | 2016-10-17 | 2018-04-18 | Next Generation Analytics GmbH | Filtersystem für viskose oder hochviskose flüssigkeiten, insbesondere kunststoffschmelzen und verfahren zur filtration von viskosen oder hochviskosen flüssigkeiten |
CN109762313B (zh) * | 2018-12-29 | 2020-09-22 | 恒天纤维集团有限公司 | 一种高倍率聚乳酸发泡片材的制备方法 |
CN109776848B (zh) * | 2019-01-08 | 2020-06-30 | 恒天纤维集团有限公司 | 聚乳酸聚合熔体直接制备聚乳酸发泡制品的方法及装置 |
CN110670165B (zh) * | 2019-09-29 | 2022-04-15 | 孔令孝 | 一种聚乳酸卷烟丝束、制备方法及其应用 |
CN111074374A (zh) * | 2019-12-31 | 2020-04-28 | 吉林中粮生化有限公司 | 一种连续聚合熔体直纺制备高品质聚乳酸纤维的方法 |
CN111136825B (zh) * | 2020-01-09 | 2022-12-06 | 南京越升挤出机械有限公司 | 细泡孔、高发泡倍率的聚乳酸颗粒的制备方法 |
CN111531741B (zh) * | 2020-05-20 | 2020-12-18 | 吉林中粮生化有限公司 | 聚乳酸熔体在线制备改性聚乳酸材料的装置和方法 |
CN112045965A (zh) * | 2020-08-10 | 2020-12-08 | 海宁市宏鹰装饰材料有限公司 | 一种pvc扣板生产加工装置 |
CN112266590B (zh) * | 2020-09-19 | 2023-02-28 | 恒天生物基材料工程技术(宁波)有限公司 | 一种聚乳酸/微晶纤维素复合发泡片材及其制备方法 |
CN113087953B (zh) * | 2021-04-03 | 2023-03-24 | 杭州本松新材料技术股份有限公司 | 一种医疗防护服用透气膜的制备方法 |
CN113698697A (zh) * | 2021-07-15 | 2021-11-26 | 无锡得宇新材料有限公司 | 一种微孔发泡增强材料及其制备方法 |
CN115073898B (zh) * | 2022-04-14 | 2023-12-19 | 万华化学(宁波)有限公司 | 一种高熔体强度pla合金、一种发泡料及其制备方法 |
CN114874482B (zh) * | 2022-06-20 | 2023-07-21 | 台州玉米环保科技有限公司 | 一种耐温pla刀叉勺及其制备方法 |
CN116716674B (zh) * | 2023-07-21 | 2024-01-23 | 广东秋盛资源股份有限公司 | 一种亲肤可降解聚酯纤维及其制造方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3797444B2 (ja) * | 1996-05-24 | 2006-07-19 | 大日本インキ化学工業株式会社 | 乳酸系ポリエステル組成物及びその成形物 |
EP1040158B2 (en) * | 1997-12-19 | 2012-04-18 | Trexel, Inc. | Microcellular foam extrusion/blow molding process and article made thereby |
CN1234756C (zh) * | 2000-10-18 | 2006-01-04 | 三井化学株式会社 | 热塑性聚氨酯弹性体组合物的泡沫体及其制备方法 |
JP2005162804A (ja) * | 2003-12-01 | 2005-06-23 | Toray Ind Inc | ポリ乳酸系樹脂組成物および発泡体並びにその発泡体の製造方法 |
CN1900389A (zh) * | 2006-07-25 | 2007-01-24 | 常熟市长江化纤有限公司 | 聚乳酸聚合熔体直接制备纤维制品的方法 |
NL1033719C2 (nl) * | 2007-04-19 | 2008-10-21 | Synbra Tech Bv | Deeltjesvormig expandeerbaar polymelkzuur, werkwijze voor het vervaardigen hiervan, geschuimd vormdeel op basis van deeltjesvormig expandeerbaar polymelkzuur evenals werkwijze voor het vervaardigen hiervan. |
KR101632086B1 (ko) * | 2008-04-30 | 2016-06-20 | 네이쳐웍스 엘엘씨 | 고분자량 및 높은 고유 점도를 갖는 폴리락타이드로 제조된 압출 발포체 |
JP4436435B1 (ja) * | 2009-07-02 | 2010-03-24 | Wpcコーポレーション株式会社 | 押出発泡成形用の成形材料及びその製造方法,並びに前記成形材料を使用して製造した木質発泡成形体,前記木質発泡成形体の製造方法並びに製造装置 |
WO2011030766A1 (ja) * | 2009-09-10 | 2011-03-17 | 国立大学法人群馬大学 | ポリ乳酸ステレオコンプレックス結晶の製造方法、ポリ乳酸、その成形体、合成繊維、多孔体およびイオン伝導体 |
BR112012024637A2 (pt) * | 2010-03-29 | 2017-08-08 | Tsuda Kazunori | composição de ácido polilático, artigo moldado de espuma da mesma e método para produzir a mesma |
CN201907193U (zh) * | 2010-12-07 | 2011-07-27 | 北京化工大学 | 一种双阶挤出自动控制系统 |
CN102675842B (zh) * | 2012-05-23 | 2013-12-11 | 北京化工大学 | 聚乳酸发泡材料及其制备方法 |
RU2713408C2 (ru) * | 2014-09-17 | 2020-02-05 | Зульцер Хемтех Аг | Способ стабилизации композиции конденсированной фазы, содержащей циклический сложный эфир, в процессе производства сложного полиэфира из лактида |
CN106476298A (zh) * | 2016-12-02 | 2017-03-08 | 贵州理工学院 | 发泡片材挤出机及该机制备的pbat发泡片材 |
CN108752734A (zh) * | 2018-05-04 | 2018-11-06 | 广德祥源新材科技有限公司 | 一种可降解的抗菌型塑料发泡卷材及制造方法 |
CN109776848B (zh) * | 2019-01-08 | 2020-06-30 | 恒天纤维集团有限公司 | 聚乳酸聚合熔体直接制备聚乳酸发泡制品的方法及装置 |
-
2019
- 2019-01-08 CN CN201910016587.8A patent/CN109776848B/zh active Active
- 2019-07-18 WO PCT/CN2019/096553 patent/WO2020143208A1/zh active Application Filing
- 2019-07-18 JP JP2021539896A patent/JP7241182B2/ja active Active
- 2019-07-18 US US17/421,017 patent/US20220097274A1/en active Pending
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JP7241182B2 (ja) | 2023-03-16 |
WO2020143208A1 (zh) | 2020-07-16 |
US20220097274A1 (en) | 2022-03-31 |
CN109776848A (zh) | 2019-05-21 |
JP2022516967A (ja) | 2022-03-03 |
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