CN100384936C - 复合生物降解母料的制备方法 - Google Patents

复合生物降解母料的制备方法 Download PDF

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CN100384936C
CN100384936C CNB2005101112429A CN200510111242A CN100384936C CN 100384936 C CN100384936 C CN 100384936C CN B2005101112429 A CNB2005101112429 A CN B2005101112429A CN 200510111242 A CN200510111242 A CN 200510111242A CN 100384936 C CN100384936 C CN 100384936C
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master batch
biodegradable master
composite biodegradable
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CN1775856A (zh
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王梓刚
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Shanghai Xiner New Material Technology Co., Ltd.
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LINDA PLASTIC CHEMISTRY CO Ltd SHANGHAI
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Biological Depolymerization Polymers (AREA)

Abstract

本发明涉及一种复合生物降解母料的制备方法,它由聚己内酯,聚乳酸,聚乙二醇、填充物、润滑剂经搅拌共混、双螺杆挤出造粒而成。复合生物降解母料是一种无污染、降解彻底的降解材料,主要应用于医药、农业、以及消费品包装等领域。

Description

复合生物降解母料的制备方法
技术领域
本发明涉及复合生物降解母料的制备方法。
背景技术
随着经济的高速发展,一次性包装制品、医疗用品、工农业薄膜等,在工农业、日常生活中的广泛应用,致使白色污染已成为人类生存与发展的社会公害。特别是大量生产和使用不可降解的材料,不仅造成资源的巨大浪费,而且严重污染生态环境。现有技术生产的光、生物降解材料,大都是以聚丙烯、聚乙烯添加淀粉或碳酸钙或滑石粉、烯烃润滑剂制得,但是这种工艺属于崩解型,不是全生物降解。
发明内容
本发明的目的是提供一种无污染、降解彻底的复合生物降解母料的制备方法。
本发明的目的是这样实现的:复合生物降解母料,其特征在于包括下列各组份,以重量份计:聚己内酯10-45份,聚乳酸10-45份,填充剂5-40份,润滑剂1-6份,聚乙二醇1-6份;所述的填充剂为硅藻土或膨润土中的一种或两种。所述的润滑剂为硬脂酸或硬脂酸盐类中的一种或数种。
其制备方法是将上述配比的物质加入搅拌混炼机中,搅拌温度到100℃-120℃时,成为预混合料,将预混合料加入同向双螺杆挤出造粒机中拉条切粒包装,制成复合生物降解母料。
本发明取得的技术进步是:本发明组分中微生物降解材料是聚乳酸,是由玉米发酵聚合而成。本发明组分中人工合成的生物降解材料是聚己内酯,而且是唯一能被水降解的材料。更重要的是生物降解母料,能降解成二氧化碳和水,对动植物来说也是构不成危害的。本发明组分中优选了硅藻土和膨润土,属于无毒、无害物质,而硅藻土和膨润土在生物降解母料降解后也不构成对土壤、水域、动植物危害的。聚乙二醇、硬脂酸和硬脂酸盐类既是润滑剂和分散剂,又是生物降解助剂。材料有机复合共混,可最大限度地使混合物发挥功能,改变原有组份性质,很好的能按要求对材料性质进行调控,通过复合共混能有效改善材料的力学性质。更重要的是复合后的生物降解母料可以在土壤、水泊中或厌氧条件下完全生物降解,同时还可以回收利用,不会造成环境污染。本发明采用同向双螺杆混炼反应挤出拉条切粒包装一次性完成。
具体实施方式:
实施例一:
(1)取聚乳酸35千克,聚己内酯25千克,聚乙二醇2千克,硬脂酸3千克,硅藻上35千克
(2)将上述配比的物质加入搅拌混炼机中,搅拌温度到100℃-120℃时,成为预混合料,将预混合料加入同向双螺杆挤出造粒机中拉条切粒包装,制成复合生物降解母料。
实施例二:
(1)取聚乳酸40千克,聚己内酯45千克,聚乙二醇3千克,硬脂酸锌2千克,硅藻上10千克
(2)将上述配比的物质加入搅拌混炼机中,搅拌温度到100℃-120℃时,成为预混合料,将预混合料加入同向双螺杆挤出造粒机中拉条切粒包装,制成复合生物降解母料。
实施例三:
(1)取聚乳酸30千克,聚己内酯40千克,聚乙二醇5千克,硬脂酸5千克,膨润土20千克
(2)将上述配比的物质加入搅拌混炼机中,搅拌温度到100℃-120℃时,成为预混合料,将预混合料加入同向双螺杆挤出造粒机中拉条切粒包装,制成复合生物降解母料。
实施例四:
(1)取聚乳酸30千克,聚己内酯30千克,聚乙二醇5千克,硬脂酸钙5千克,膨润土30千克
(2)将上述配比的物质加入搅拌混炼机中,搅拌温度到100℃-120℃时,成为预混合料,将预混合料加入同向双螺杆挤出造粒机中拉条切粒包装,制成复合生物降解母料。

Claims (2)

1.复合生物降解母料,其特征在于包括下列各组份,以重量份计:
聚己内酯10-45份,聚乳酸10-45份,填充剂5-40份,润滑剂1-6份,聚乙二醇1-6份;所述填充剂为硅藻土或膨润土中的一种或两种;所述润滑剂为硬脂酸或硬脂酸盐类中的一种或数种。
2.根据权利要求1所述的复合生物降解母料的制备方法,其特征在于:将上述配比的物质加入搅拌混炼机中,搅拌温度到100℃-120℃时,成为预混合料,将预混合料加入同向双螺杆挤出造粒机中拉条切粒包装,制成复合生物降解母料。
CNB2005101112429A 2005-12-08 2005-12-08 复合生物降解母料的制备方法 Active CN100384936C (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2827708C1 (ru) * 2023-11-16 2024-10-01 Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский государственный университет" Способ получения компаунда полимолочной кислоты со сниженным влагопоглощением

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100327369B1 (ko) 1999-07-31 2002-03-06 구자홍 컴퓨터 시스템의 영상정보 인터페이스 장치 및 방법
CN100569306C (zh) * 2007-10-30 2009-12-16 中国科学院长春应用化学研究所 降解型一次性注射器及制备方法
CN103030948A (zh) * 2011-09-29 2013-04-10 上海林静医疗器械有限公司 一种用全降解型基材制备的一次性医疗器械及方法
CN111117283A (zh) * 2019-12-24 2020-05-08 山东胜伟盐碱地科技有限公司 一种盐碱地用薄膜及其制备方法

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US5990266A (en) * 1997-12-04 1999-11-23 University Of Nebraska Degradable polyesters, a mixed culture of microorganisms for degrading these polyesters, and methods for making these substances
CN1418901A (zh) * 2002-12-16 2003-05-21 天津大学 含羧基聚乳酸组成物及其制备方法
CN1531573A (zh) * 2001-01-25 2004-09-22 ŵ�����عɷݹ�˾ 生物降解聚酯的三元混合物以及由其得到的产品

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
US5990266A (en) * 1997-12-04 1999-11-23 University Of Nebraska Degradable polyesters, a mixed culture of microorganisms for degrading these polyesters, and methods for making these substances
CN1531573A (zh) * 2001-01-25 2004-09-22 ŵ�����عɷݹ�˾ 生物降解聚酯的三元混合物以及由其得到的产品
CN1418901A (zh) * 2002-12-16 2003-05-21 天津大学 含羧基聚乳酸组成物及其制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2827708C1 (ru) * 2023-11-16 2024-10-01 Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский государственный университет" Способ получения компаунда полимолочной кислоты со сниженным влагопоглощением

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