CN114989582A - 一种棉花纤维素纳米纤维/聚己内酯复合材料乙酰化的制备方法 - Google Patents
一种棉花纤维素纳米纤维/聚己内酯复合材料乙酰化的制备方法 Download PDFInfo
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- CN114989582A CN114989582A CN202210536551.4A CN202210536551A CN114989582A CN 114989582 A CN114989582 A CN 114989582A CN 202210536551 A CN202210536551 A CN 202210536551A CN 114989582 A CN114989582 A CN 114989582A
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- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
-
- 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
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/08—Cellulose derivatives
- C08J2401/10—Esters of organic acids
- C08J2401/12—Cellulose acetate
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
Description
原料名称 | 规格 | 生产厂家 |
棉花纤维素纳米纤维 | CNF-2.5 | 桂林奇宏科技有限公司 |
ε-己内酯 | 800C | 中科院兰州化学物理研究所监制 |
无水乙醇 | 分析纯AR | 光华科技股份有限公司-广东省 |
二氯甲烷 | 分析纯AR | 广东省化学试剂工程技术研发中学心 |
三氯甲烷 | 分析纯AR | 成都市木兰镇工业开发区 |
乙酸酐 | 西陇化工 |
样品名称 | Tc/(℃) | Tm/(℃) | △Hm(J/g) | Xc/(%) |
纯PCL | 28.55 | 52.79 | 74.00 | 54.38% |
PCL/1%aCNF | 32.58 | 56.67 | 59.14 | 43.90% |
PCL/2%aCNF | 32.22 | 55.26 | 52.36 | 39.27% |
PCL/3%aCNF | 34.35 | 57.07 | 49.49 | 37.50% |
PCL/4%aCNF | 34.40 | 56.73 | 49.00 | 37.51% |
PCL/5%aCNF | 35.11 | 57.12 | 44.96 | 34.78% |
降温速率℃/min | 2 | 4 | 8 | 16 | 32 |
纯PCL△Hm(J/g) | 74.25 | 74.43 | 71.92 | 68.89 | 63.43 |
3%aCNF/PCL△Hm(J/g) | 63.00 | 63.95 | 57.19 | 55.91 | 53.25 |
纯PCLXc/(%) | 54.56 | 54.57 | 52.80 | 50.62 | 46.61 |
3%aCNF/PCLXc/(%) | 47.77 | 48.45 | 43.33 | 42.35 | 40.34 |
Claims (10)
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CN114989582A true CN114989582A (zh) | 2022-09-02 |
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US20090203898A1 (en) * | 2008-02-13 | 2009-08-13 | Eastman Chemical Company | Cellulose esters and their production in halogenated ionic liquids |
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CN102558365A (zh) * | 2010-12-08 | 2012-07-11 | 中国科学院过程工程研究所 | 一种以蔗渣纤维素为原料的三醋酸纤维素的离子液体制备方法 |
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CN106009571A (zh) * | 2016-07-15 | 2016-10-12 | 扬州大学 | 一种聚己内酯/纤维素纳米晶体复合材料的制备方法 |
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2022
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