CN106317473A - 一种耐温的己内酯接枝的淀粉可降解薄膜及其制备方法 - Google Patents
一种耐温的己内酯接枝的淀粉可降解薄膜及其制备方法 Download PDFInfo
- Publication number
- CN106317473A CN106317473A CN201610693373.0A CN201610693373A CN106317473A CN 106317473 A CN106317473 A CN 106317473A CN 201610693373 A CN201610693373 A CN 201610693373A CN 106317473 A CN106317473 A CN 106317473A
- Authority
- CN
- China
- Prior art keywords
- starch
- parts
- caprolactone
- thin film
- grafting
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
- C08L3/02—Starch; Degradation products thereof, e.g. dextrin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
- C08B31/02—Esters
- C08B31/04—Esters of organic acids, e.g. alkenyl-succinated starch
-
- 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
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
- C08G63/08—Lactones or lactides
-
- 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
- C08J2303/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2303/02—Starch; Degradation products thereof, e.g. dextrin
-
- 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
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/04—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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Biological Depolymerization Polymers (AREA)
Abstract
一种耐温的己内酯接枝的淀粉可降解薄膜,其特征在于,其由如下重量份的原料制备而成:玉米淀粉100份、小麦淀粉8‑10份、单硬脂酸甘油酯2‑3份、聚乙烯醇30‑35份、DMF 80‑100份、乙酸酐8‑10份、吡啶100‑120份、二乙二醇二甲醚120‑150份、萘钠溶液15‑20份、己内酯5‑8份、石油醚200‑300份、四氢呋喃200‑300份、甘油5‑8份、聚羟基丁酸酯3‑5份、聚己内酯5‑8份、水适量。本发明所采用的淀粉能够被生物降解,来源丰富、价格低廉,对环境友好;本发明制得的耐温的己内酯接枝的淀粉可降解薄膜耐温、耐拉伸、成本低且可生物降解,能有效缓解白色污染问题。
Description
技术领域
本发明涉及薄膜生产技术领域,具体涉及一种耐温的己内酯接枝的淀粉可降解薄膜及其制备方法。
技术背景
随着塑料工业的蓬勃发展,废旧塑料薄膜垃圾带来的环境污染也日趋严重,白色污染成为全球瞩目的环境问题。因此,人们必须要加大力度去开发生物可降解的塑料薄膜,治理塑料废弃物对环境所带来污染问题。
淀粉是一种来源丰富、价格低廉的天然高分子材料,也是一种取之不尽用之不竭的可再生资源,它能在多种环境条件下被生物降解,最终降解产物二氧化碳和水可以通过植物的光合作用再循环,不会对环境造成任何污染。因此,淀粉被广泛应用于可降解塑料薄膜的研究与产品开发,并且已经取得了重大的进展。
作者宋小丽在淀粉基可降解复合薄膜的制备及性能研究一文中,利用淀粉、壳聚糖、甘油、坡缕石制备了一种淀粉基可降解复合薄膜,丙三醇为淀粉薄膜增塑剂,坡缕石改善淀粉薄膜的力学性能,制备的淀粉基可降解复合薄膜具有良好的生物降解性能。
发明内容
本发明所要解决的技术问题在于提供一种工艺简单、生产成本低且对环境友好的耐温的己内酯接枝的淀粉可降解薄膜及其制备方法。
本发明所要解决的技术问题采用以下的技术方案来实现:
一种耐温的己内酯接枝的淀粉可降解薄膜,其特征在于,其由如下重量份的原料制备而成:玉米淀粉100份、小麦淀粉8-10份、单硬脂酸甘油酯2-3份、聚乙烯醇30-35份、DMF 80-100份、乙酸酐8-10份、吡啶100-120份、二乙二醇二甲醚120-150份、萘钠溶液15-20份、己内酯5-8份、石油醚200-300份、四氢呋喃200-300份、甘油5-8份、聚羟基丁酸酯3-5份、聚己内酯5-8份、水适量。
一种耐温的己内酯接枝的淀粉可降解薄膜,其特征在于,其由如下步骤制备而成:
(1)将小麦淀粉充分干燥,再与DMF在搅拌的条件下升温到130-140℃,保持4-5h,降温到90-100℃,滴加乙酸酐及吡啶,滴加完后继续在90-100℃下反应5-6h,冷却,倾入冷水中沉淀,过滤、洗涤至中性,干燥,为白色粉末状物质,即淀粉乙酸酯;
(2)在装有搅拌器、温度计、回流冷凝管和通氮装置的反应器中,加入二乙二醇二甲醚和淀粉乙酸酯,升温到90-100℃使其溶解充分,然后降至室温,在氮气保护下加入萘钠溶液,反应约15-20min后,加入己内酯,在110-130℃下反应10-12h,产物以1/3的石油醚进行沉淀后,再以四氢呋喃溶解、剩余的石油醚沉淀二次,产物干燥后为白色固体物,即己内酯接枝的淀粉;
(3)将玉米淀粉、己内酯接枝的淀粉、甘油、聚己内酯、聚乙烯醇、单硬脂酸甘油酯、聚羟基丁酸脂加入到高速混合机内,搅拌均匀;放入造粒机中进行混炼、熔融、挤出、冷却后切粒;加入到吹膜机中制作薄膜,得到一种耐温的己内酯接枝的淀粉可降解薄膜。
一种耐温的己内酯接枝的淀粉可降解薄膜,其特征在于,所述的萘钠溶液的制备方法为:将萘和金属钠置于四氢呋喃中,于室温和氮气保护下反应10-12h,得浓度为0.8-1mol/L的萘钠溶液。
一种耐温的己内酯接枝的淀粉可降解薄膜,其特征在于,所述的DMF和吡啶使用前都需经过无水硫酸钠进行干燥。
本发明的有益效果是:本发明所采用的淀粉能够被生物降解,来源丰富、价格低廉,对环境友好;聚己内酯可以作为粘合剂和增塑剂,并在淀粉表面接枝己内酯,有效促进聚己内酯、聚羟基丁酸脂与淀粉之间的均匀混合,提高薄膜的力学性能;甘油的加入能改善淀粉难熔的问题,对淀粉起到增塑作用;本发明制得的淀粉薄膜降解性能优良、降解完全、对环境无污染、无毒性,耐温,能有效缓解白色污染问题。
具体实施方式
本实施例的耐温的己内酯接枝的淀粉可降解薄膜,其由如下重量份的原料制备而成:玉米淀粉100份、小麦淀粉8份、单硬脂酸甘油酯2份、聚乙烯醇30份、DMF 100份、乙酸酐8份、吡啶120份、二乙二醇二甲醚150份、萘钠溶液15份、己内酯5份、石油醚300份、四氢呋喃300份、甘油8份、聚羟基丁酸酯5份、聚己内酯5份、水适量。
本实施例的耐温的己内酯接枝的淀粉可降解薄膜,其特征在于,其由如下步骤制备而成:
(1)将小麦淀粉充分干燥,再与DMF在搅拌的条件下升温到130℃,保持4h,降温到90℃,滴加乙酸酐及吡啶,滴加完后继续在90℃下反应6h,冷却,倾入冷水中沉淀,过滤、洗涤至中性,干燥,为白色粉末状物质,即淀粉乙酸酯;
(2)在装有搅拌器、温度计、回流冷凝管和通氮装置的反应器中,加入二乙二醇二甲醚和淀粉乙酸酯,升温到90℃使其溶解充分,然后降至室温,在氮气保护下加入萘钠溶液,反应约15min后,加入己内酯,在110℃下反应10h,产物以1/3的石油醚进行沉淀后,再以四氢呋喃溶解、剩余的石油醚沉淀二次,产物干燥后为白色固体物,即己内酯接枝的淀粉;
(3)将玉米淀粉、己内酯接枝的淀粉、甘油、聚己内酯、聚乙烯醇、单硬脂酸甘油酯、聚羟基丁酸脂加入到高速混合机内,搅拌均匀;放入造粒机中进行混炼、熔融、挤出、冷却后切粒;加入到吹膜机中制作薄膜,得到一种耐温的己内酯接枝的淀粉可降解薄膜。
经测试,本实施例的耐温的己内酯接枝的淀粉可降解薄膜拉伸强度大于30MPa,断裂伸长率大于150%,透光率大于90%,薄膜两侧温度差大于5℃。
Claims (4)
1. 一种耐温的己内酯接枝的淀粉可降解薄膜,其特征在于,其由如下重量份的原料制备而成:玉米淀粉100份、小麦淀粉8-10份、单硬脂酸甘油酯2-3份、聚乙烯醇30-35份、DMF80-100份、乙酸酐8-10份、吡啶100-120份、二乙二醇二甲醚120-150份、萘钠溶液15-20份、己内酯5-8份、石油醚200-300份、四氢呋喃200-300份、甘油5-8份、聚羟基丁酸酯3-5份、聚己内酯5-8份、水适量。
2.一种耐温的己内酯接枝的淀粉可降解薄膜,其特征在于,其由如下步骤制备而成:
(1)将小麦淀粉充分干燥,再与DMF在搅拌的条件下升温到130-140℃,保持4-5h,降温到90-100℃,滴加乙酸酐及吡啶,滴加完后继续在90-100℃下反应5-6h,冷却,倾入冷水中沉淀,过滤、洗涤至中性,干燥,为白色粉末状物质,即淀粉乙酸酯;
(2)在装有搅拌器、温度计、回流冷凝管和通氮装置的反应器中,加入二乙二醇二甲醚和淀粉乙酸酯,升温到90-100℃使其溶解充分,然后降至室温,在氮气保护下加入萘钠溶液,反应约15-20min后,加入己内酯,在110-130℃下反应10-12h,产物以1/3的石油醚进行沉淀后,再以四氢呋喃溶解、剩余的石油醚沉淀二次,产物干燥后为白色固体物,即己内酯接枝的淀粉;
(3)将玉米淀粉、己内酯接枝的淀粉、甘油、聚己内酯、聚乙烯醇、单硬脂酸甘油酯、聚羟基丁酸脂加入到高速混合机内,搅拌均匀;放入造粒机中进行混炼、熔融、挤出、冷却后切粒;加入到吹膜机中制作薄膜,得到一种耐温的己内酯接枝的淀粉可降解薄膜。
3.一种耐温的己内酯接枝的淀粉可降解薄膜,其特征在于,所述的萘钠溶液的制备方法为:将萘和金属钠置于四氢呋喃中,于室温和氮气保护下反应10-12h,得浓度为0.8-1mol/L的萘钠溶液。
4.一种耐温的己内酯接枝的淀粉可降解薄膜,其特征在于,所述的DMF和吡啶使用前都需经过无水硫酸钠进行干燥。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610693373.0A CN106317473A (zh) | 2016-08-22 | 2016-08-22 | 一种耐温的己内酯接枝的淀粉可降解薄膜及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610693373.0A CN106317473A (zh) | 2016-08-22 | 2016-08-22 | 一种耐温的己内酯接枝的淀粉可降解薄膜及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106317473A true CN106317473A (zh) | 2017-01-11 |
Family
ID=57743824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610693373.0A Pending CN106317473A (zh) | 2016-08-22 | 2016-08-22 | 一种耐温的己内酯接枝的淀粉可降解薄膜及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106317473A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106317474A (zh) * | 2016-08-22 | 2017-01-11 | 太湖华强科技有限公司 | 一种高透气性的己内酯接枝的淀粉可降解薄膜及其制备方法 |
CN115160460A (zh) * | 2022-08-01 | 2022-10-11 | 电子科技大学中山学院 | 一种枝接聚乙烯醇改性材料及制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101298512A (zh) * | 2007-04-30 | 2008-11-05 | 刘原珊 | Pva-pcl-淀粉共混材料及其制备方法 |
CN101381480A (zh) * | 2008-10-23 | 2009-03-11 | 梁二宝 | 高分子化合物医用完全生物降解塑料 |
CN101693773A (zh) * | 2009-09-23 | 2010-04-14 | 中国林业科学研究院林产化学工业研究所 | 橡子粉/聚己内酯复合材料及其制备方法 |
-
2016
- 2016-08-22 CN CN201610693373.0A patent/CN106317473A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101298512A (zh) * | 2007-04-30 | 2008-11-05 | 刘原珊 | Pva-pcl-淀粉共混材料及其制备方法 |
CN101381480A (zh) * | 2008-10-23 | 2009-03-11 | 梁二宝 | 高分子化合物医用完全生物降解塑料 |
CN101693773A (zh) * | 2009-09-23 | 2010-04-14 | 中国林业科学研究院林产化学工业研究所 | 橡子粉/聚己内酯复合材料及其制备方法 |
Non-Patent Citations (1)
Title |
---|
何立红等: "淀粉乙酸酯的阴离子接枝己内酯聚合研究", 《高分子学报》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106317474A (zh) * | 2016-08-22 | 2017-01-11 | 太湖华强科技有限公司 | 一种高透气性的己内酯接枝的淀粉可降解薄膜及其制备方法 |
CN115160460A (zh) * | 2022-08-01 | 2022-10-11 | 电子科技大学中山学院 | 一种枝接聚乙烯醇改性材料及制备方法 |
CN115160460B (zh) * | 2022-08-01 | 2023-05-09 | 电子科技大学中山学院 | 一种枝接聚乙烯醇改性材料及制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105885114A (zh) | 一种二氧化硅增强的己内酯-淀粉可降解薄膜及其制备方法 | |
CN105623214B (zh) | 一种增塑可生物降解聚酯薄膜及其制备方法 | |
CN106065090A (zh) | 一种聚乙烯醇增强的己内酯‑淀粉可降解薄膜及其制备方法 | |
CN102993538B (zh) | 一种改性塑料及制造方法和用途 | |
CN101712775B (zh) | 淀粉基生物降解材料的制备方法 | |
Tan et al. | Design and synthesis of ethoxylated esters derived from waste frying oil as anti-ultraviolet and efficient primary plasticizers for poly (vinyl chloride) | |
CN105885116A (zh) | 一种聚乳酸-己内酯-淀粉挤出吹塑薄膜及其制备方法 | |
WO2014032393A1 (zh) | 一种全生物降解材料及其制备方法 | |
CN104098792A (zh) | 一种玉米淀粉可降解塑料薄膜及其制备方法 | |
CN106084272A (zh) | 一种抗菌的己内酯接枝的淀粉可降解薄膜及其制备方法 | |
CN103421215A (zh) | 淀粉组合物、淀粉基薄膜及其制备方法 | |
CN102504507A (zh) | 一种聚乳酸增韧改性剂及其制备方法 | |
CN106366354A (zh) | 一种木质纤维素‑淀粉可降解薄膜及其制备方法 | |
CN110819085A (zh) | 一种高韧性全生物降解塑料袋及其制备方法 | |
CN109111710A (zh) | 一种耐热型pla基可降解塑料瓶及其制备方法 | |
CN106317473A (zh) | 一种耐温的己内酯接枝的淀粉可降解薄膜及其制备方法 | |
CN106366352A (zh) | 一种碳酸钙增强的己内酯‑淀粉可降解薄膜及其制备方法 | |
CN104194288B (zh) | 一种含茭白外壳纤维改性聚己二酸/对苯二甲酸丁二酯复合材料及其制备方法 | |
CN106009565B (zh) | 一种尼龙增强聚乳酸复合材料及其制备方法 | |
CN107686639B (zh) | 一种环保型高拉伸强度聚乳酸复合材料的制备方法 | |
CN105647093A (zh) | 一种可生物降解的淀粉基树脂组合物 | |
CN106243401A (zh) | 一种玉米醇溶蛋白增强的己内酯‑淀粉可降解薄膜及其制备方法 | |
CN106243403A (zh) | 一种耐撕裂的己内酯接枝的淀粉可降解薄膜及其制备方法 | |
CN106317474A (zh) | 一种高透气性的己内酯接枝的淀粉可降解薄膜及其制备方法 | |
CN106220901A (zh) | 一种玉米秸秆增强的己内酯‑淀粉可降解薄膜及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination |