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CN106046430A - Completely biodegradable composite material - Google Patents

Completely biodegradable composite material Download PDF

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Publication number
CN106046430A
CN106046430A CN201610501793.4A CN201610501793A CN106046430A CN 106046430 A CN106046430 A CN 106046430A CN 201610501793 A CN201610501793 A CN 201610501793A CN 106046430 A CN106046430 A CN 106046430A
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starch
parts
acid
fully biodegradable
based resin
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刘明
张菡英
赵莉
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Shandong Normal University
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Shandong Normal University
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L51/02—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to polysaccharides
    • 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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • 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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

本发明涉及高分子材料技术领域，特别涉及一种可完全生物降解的复合材料。该可完全生物降解的复合材料，其特征在于：由以下重量比的原料组成：30—80份的含有淀粉与丙烯酸酯接枝聚合物的淀粉基树脂组合物，10—50份的完全生物降解树脂和1—6份的塑化剂。本发明复合材料在不降低完全生物降解树脂的降解性能和力学性能的基础上，通过淀粉的加入，极大地降低了成本，本发明的可完全生物降解的复合材料成本接近传统塑料，具有较大的竞争优势以及广阔的市场前景。The invention relates to the technical field of polymer materials, in particular to a fully biodegradable composite material. The fully biodegradable composite material is characterized in that it is composed of the following raw materials in weight ratio: 30-80 parts of starch-based resin composition containing starch and acrylate graft polymer, 10-50 parts of completely biodegradable Resin and 1-6 parts of plasticizer. On the basis of not reducing the degradation performance and mechanical properties of the fully biodegradable resin, the composite material of the present invention greatly reduces the cost by adding starch. competitive advantage and broad market prospects.

Description

一种可完全生物降解的复合材料A fully biodegradable composite material

技术领域technical field

本发明涉及高分子材料技术领域，特别涉及一种可完全生物降解的复合材料。The invention relates to the technical field of polymer materials, in particular to a fully biodegradable composite material.

背景技术Background technique

近年来，随着环境污染及能源危机的不断加深，人们的环保意识不断增强，环境友好可降解的符合材料越来越受到人们的重视，成为未来复合材料发展的方向。树脂作为复合材料的基体材料，其可降解性能直接影响复合材料的可降解性，目前可完全降解的树脂，例如聚对苯二甲酸-己二酸-丁二醇、聚丁二酸-丁二醇、聚丁二酸-己二酸-丁二醇等，虽然可以完全降解，但是由于价格过高，无法大批量的推向市场，制约了可完全生物降解复合材料的发展。In recent years, with the continuous deepening of environmental pollution and energy crisis, people's awareness of environmental protection has been continuously enhanced, and more and more people pay attention to environmentally friendly and degradable composite materials, which will become the direction of future composite material development. Resin is used as the matrix material of composite materials, and its degradability directly affects the degradability of composite materials. At present, resins that can be completely degraded, such as polyterephthalic acid-adipic acid-butylene glycol, polysuccinic acid-butylene glycol, etc. Alcohol, polysuccinic acid-adipic acid-butylene glycol, etc. can be completely degraded, but due to the high price, they cannot be introduced to the market in large quantities, which restricts the development of fully biodegradable composite materials.

发明内容Contents of the invention

本发明为了弥补现有技术的缺陷，提供了一种成本低、且不降低树脂基体降解能力及力学性能的可完全生物降解的复合材料。In order to make up for the defects of the prior art, the invention provides a fully biodegradable composite material with low cost and without reducing the degradation ability and mechanical properties of the resin matrix.

本发明是通过如下技术方案实现的：The present invention is achieved through the following technical solutions:

一种可完全生物降解的复合材料，其特征在于：由以下重量比的原料组成：A fully biodegradable composite material is characterized in that it consists of raw materials in the following weight ratios:

30—80份的含有淀粉与丙烯酸酯接枝聚合物的淀粉基树脂组合物，10—50份的完全生物降解树脂和1—6份的塑化剂。30-80 parts of starch-based resin composition containing starch and acrylate graft polymer, 10-50 parts of complete biodegradable resin and 1-6 parts of plasticizer.

优选的，所述含有淀粉与丙烯酸酯接枝聚合物的淀粉基树脂组合物，由如下重量比的原料组成：30-90份的淀粉，10-50份的淀粉与丙烯酸酯接枝共聚物，0.1-40份的丙烯酸酯均聚物。Preferably, the starch-based resin composition containing starch and acrylate graft polymer is composed of raw materials in the following weight ratio: 30-90 parts of starch, 10-50 parts of starch and acrylate graft copolymer, 0.1-40 parts of acrylate homopolymer.

所述淀粉为普通玉米淀粉、改性玉米淀粉、木薯淀粉、小麦淀粉和高粱淀粉的一种或几种。The starch is one or more of common corn starch, modified corn starch, tapioca starch, wheat starch and sorghum starch.

所述丙烯酸酯为丙烯酸甲酯、甲基丙烯酸甲酯和丙烯酸丁酯的一种。The acrylate is one of methyl acrylate, methyl methacrylate and butyl acrylate.

所述完全生物降解树脂为聚乳酸、聚对苯二甲酸-己二酸-丁二醇、聚丁二酸-丁二醇、聚丁二酸-己二酸-丁二醇、聚对苯二甲酸-丁二 酸-丁二醇中一种或几种的组合。The fully biodegradable resin is polylactic acid, polyterephthalic acid-adipic acid-butylene glycol, polysuccinic acid-butylene glycol, polysuccinic acid-adipate-butylene glycol, polyterephthalic acid One or more combinations of formic acid-succinic acid-butanediol.

所述塑化剂为尿素、甲酰胺、乙酰胺、多元醇中的一种或者几种。The plasticizer is one or more of urea, formamide, acetamide and polyol.

所述可完全生物降解的复合材料的制备方法，包括以下步骤：The preparation method of the fully biodegradable composite material comprises the following steps:

（1）称取所述重量份数的淀粉，淀粉与丙烯酸酯接枝共聚物，丙烯酸酯均聚物，制备淀粉与丙烯酸酯接枝聚合物的淀粉基树脂组合物；(1) Weighing the starch, starch and acrylate graft copolymer, and acrylate homopolymer in said parts by weight, to prepare a starch-based resin composition of starch and acrylate graft polymer;

（2）将步骤（1）制得的淀粉基树脂组合物去水干燥，直至含水量小于7%；(2) dewatering and drying the starch-based resin composition prepared in step (1) until the water content is less than 7%;

（3）取30--80重量份的干燥后淀粉基树脂组合物和1--6份的塑化剂混合均匀，在80℃至120℃温度范围内挤出造粒并冷却；(3) Take 30-80 parts by weight of the dried starch-based resin composition and 1-6 parts of plasticizer, mix evenly, extrude and granulate in the temperature range of 80°C to 120°C, and cool;

（4）取10--50份的完全生物降解树脂与步骤（3）所得产物混合搅拌，并在80℃至120℃范围内再进一步挤出成粒，即得本发明。(4) Take 10-50 parts of fully biodegradable resin and mix and stir with the product obtained in step (3), and further extrude into granules in the range of 80°C to 120°C to obtain the present invention.

本发明的有益效果是：本发明提供了一种可完全生物降解的复合材料及其制备方法，该复合材料在不降低完全生物降解树脂的降解性能和力学性能的基础上，通过淀粉的加入，极大地降低了成本，本发明的可完全生物降解的复合材料成本接近传统塑料，具有较大的竞争优势以及广阔的市场前景。The beneficial effects of the present invention are: the present invention provides a fully biodegradable composite material and a preparation method thereof, the composite material does not reduce the degradation performance and mechanical properties of the fully biodegradable resin, through the addition of starch, The cost is greatly reduced, and the cost of the fully biodegradable composite material of the present invention is close to that of traditional plastics, and has great competitive advantages and broad market prospects.

具体实施方式detailed description

下面通过具体实施方案对本发明作进一步详细描述，但这些实施实例仅在于举例说明，并不对本发明的范围进行限定。The present invention will be further described in detail through specific embodiments below, but these embodiments are only for illustration and do not limit the scope of the present invention.

实施例1：Example 1:

（1）称取30份的淀粉，40份的淀粉与丙烯酸酯接枝共聚物，10份的丙烯酸酯均聚物，制备淀粉与丙烯酸酯接枝聚合物的淀粉基树脂组合物；(1) Weighing 30 parts of starch, 40 parts of starch and acrylate graft copolymer, and 10 parts of acrylate homopolymer to prepare a starch-based resin composition of starch and acrylate graft polymer;

（2）将步骤（1）制得的淀粉基树脂组合物去水干燥，直至含水量小于7%；(2) dewatering and drying the starch-based resin composition prepared in step (1) until the water content is less than 7%;

（3）取30重量份的干燥后淀粉基树脂组合物和1份的尿素混合均匀，在80℃至120℃温度范围内挤出造粒并冷却；(3) 30 parts by weight of the dried starch-based resin composition and 1 part of urea are mixed evenly, extruded and granulated at a temperature range of 80°C to 120°C, and cooled;

（4）取10份的聚乳酸与步骤（3）所得产物混合搅拌，并在80℃至120℃范围内再进一步挤出成粒，即得本发明。(4) Take 10 parts of polylactic acid and mix and stir with the product obtained in step (3), and further extrude into granules in the range of 80°C to 120°C to obtain the present invention.

实施例2：Example 2:

（1）称取30份的淀粉，50份的淀粉与丙烯酸酯接枝共聚物，20份的丙烯酸酯均聚物，制备淀粉与丙烯酸酯接枝聚合物的淀粉基树脂组合物；(1) Weighing 30 parts of starch, 50 parts of starch and acrylate graft copolymer, and 20 parts of acrylate homopolymer to prepare a starch-based resin composition of starch and acrylate graft polymer;

（2）将步骤（1）制得的淀粉基树脂组合物去水干燥，直至含水量小于7%；(2) dewatering and drying the starch-based resin composition prepared in step (1) until the water content is less than 7%;

（3）取40重量份的干燥后淀粉基树脂组合物和2份的甲酰胺混合均匀，在80℃至120℃温度范围内挤出造粒并冷却；(3) Take 40 parts by weight of the dried starch-based resin composition and 2 parts of formamide, mix evenly, extrude and granulate at a temperature range of 80°C to 120°C, and cool;

（4）取15份的聚对苯二甲酸-己二酸-丁二醇与步骤（3）所得产物混合搅拌，并在80℃至120℃范围内再进一步挤出成粒，即得本发明。(4) Take 15 parts of polyterephthalic acid-adipic acid-butylene glycol and mix and stir with the product obtained in step (3), and further extrude into granules in the range of 80°C to 120°C to obtain the present invention .

实施例3：Example 3:

（1）称取30份的淀粉，50份的淀粉与丙烯酸酯接枝共聚物，15份的丙烯酸酯均聚物，制备淀粉与丙烯酸酯接枝聚合物的淀粉基树脂组合物；(1) Weighing 30 parts of starch, 50 parts of starch and acrylate graft copolymer, and 15 parts of acrylate homopolymer to prepare a starch-based resin composition of starch and acrylate graft polymer;

（2）将步骤（1）制得的淀粉基树脂组合物去水干燥，直至含水量小于7%；(2) dewatering and drying the starch-based resin composition prepared in step (1) until the water content is less than 7%;

（3）取50重量份的干燥后淀粉基树脂组合物和3份的乙酰胺混合均匀，在80℃至120℃温度范围内挤出造粒并冷却；(3) 50 parts by weight of the dried starch-based resin composition and 3 parts of acetamide were mixed evenly, extruded and granulated at a temperature range of 80°C to 120°C, and cooled;

（4）取20份的聚丁二酸-丁二醇与步骤（3）所得产物混合搅拌，并在80℃至120℃范围内再进一步挤出成粒，即得本发明。(4) Take 20 parts of polysuccinic acid-butylene glycol and mix and stir with the product obtained in step (3), and further extrude into granules in the range of 80°C to 120°C to obtain the present invention.

实施例4：Example 4:

（1）称取30份的淀粉，40份的淀粉与丙烯酸酯接枝共聚物，30份的丙烯酸酯均聚物，制备淀粉与丙烯酸酯接枝聚合物的淀粉基树脂组合物；(1) Weighing 30 parts of starch, 40 parts of starch and acrylate graft copolymer, and 30 parts of acrylate homopolymer to prepare a starch-based resin composition of starch and acrylate graft polymer;

（2）将步骤（1）制得的淀粉基树脂组合物去水干燥，直至含水量小于7%；(2) dewatering and drying the starch-based resin composition prepared in step (1) until the water content is less than 7%;

（3）取60重量份的干燥后淀粉基树脂组合物和3份的甘油混合均匀，在80℃至120℃温度范围内挤出造粒并冷却；(3) 60 parts by weight of the dried starch-based resin composition and 3 parts of glycerin are mixed evenly, extruded and granulated at a temperature range of 80°C to 120°C, and cooled;

（4）取30份的聚丁二酸-己二酸-丁二醇与步骤（3）所得产物混合搅拌，并在80℃至120℃范围内再进一步挤出成粒，即得本发明。(4) Mix and stir 30 parts of polysuccinic acid-adipic acid-butylene glycol with the product obtained in step (3), and further extrude into granules in the range of 80°C to 120°C to obtain the present invention.

实施例5：Example 5:

（1）称取30份的淀粉，30份的淀粉与丙烯酸酯接枝共聚物，20份的丙烯酸酯均聚物，制备淀粉与丙烯酸酯接枝聚合物的淀粉基树脂组合物；(1) Weighing 30 parts of starch, 30 parts of starch and acrylate graft copolymer, and 20 parts of acrylate homopolymer to prepare a starch-based resin composition of starch and acrylate graft polymer;

（2）将步骤（1）制得的淀粉基树脂组合物去水干燥，直至含水量小于7%；(2) dewatering and drying the starch-based resin composition prepared in step (1) until the water content is less than 7%;

（3）取65重量份的干燥后淀粉基树脂组合物和3份的三羟甲基乙烷混合均匀，在80℃至120℃温度范围内挤出造粒并冷却；(3) Mix 65 parts by weight of the dried starch-based resin composition with 3 parts of trimethylolethane, extrude and granulate at a temperature range of 80°C to 120°C, and cool;

（4）取30份的聚对苯二甲酸-丁二 酸-丁二醇与步骤（3）所得产物混合搅拌，并在80℃至120℃范围内再进一步挤出成粒，即得本发明。(4) Take 30 parts of polyterephthalic acid-succinic acid-butylene glycol and mix and stir with the product obtained in step (3), and further extrude into granules within the range of 80°C to 120°C to obtain the present invention .

实施例6：Embodiment 6:

（1）称取40份的淀粉，40份的淀粉与丙烯酸酯接枝共聚物，20份的丙烯酸酯均聚物，制备淀粉与丙烯酸酯接枝聚合物的淀粉基树脂组合物；(1) Weighing 40 parts of starch, 40 parts of starch and acrylate graft copolymer, and 20 parts of acrylate homopolymer to prepare a starch-based resin composition of starch and acrylate graft polymer;

（2）将步骤（1）制得的淀粉基树脂组合物去水干燥，直至含水量小于7%；(2) dewatering and drying the starch-based resin composition prepared in step (1) until the water content is less than 7%;

（3）取70重量份的干燥后淀粉基树脂组合物和4份的季戊四醇混合均匀，在80℃至120℃温度范围内挤出造粒并冷却；(3) Take 70 parts by weight of the dried starch-based resin composition and 4 parts of pentaerythritol, mix them uniformly, extrude and granulate at a temperature range of 80°C to 120°C, and cool;

（4）取20份的聚对苯二甲酸-丁二 酸-丁二醇、20份聚乳酸与步骤（3）所得产物混合搅拌，并在80℃至120℃范围内再进一步挤出成粒，即得本发明。(4) Take 20 parts of polyterephthalic acid-succinic acid-butylene glycol, 20 parts of polylactic acid and the product obtained in step (3), mix and stir, and further extrude into granules within the range of 80°C to 120°C , to obtain the present invention.

实施例7：Embodiment 7:

（1）称取40份的淀粉，30份的淀粉与丙烯酸酯接枝共聚物，20份的丙烯酸酯均聚物，制备淀粉与丙烯酸酯接枝聚合物的淀粉基树脂组合物；(1) Weighing 40 parts of starch, 30 parts of starch and acrylate graft copolymer, and 20 parts of acrylate homopolymer to prepare a starch-based resin composition of starch and acrylate graft polymer;

（2）将步骤（1）制得的淀粉基树脂组合物去水干燥，直至含水量小于7%；(2) dewatering and drying the starch-based resin composition prepared in step (1) until the water content is less than 7%;

（3）取75重量份的干燥后淀粉基树脂组合物和2份的季戊四醇、和2份乙酰胺混合均匀，在80℃至120℃温度范围内挤出造粒并冷却；(3) Mix 75 parts by weight of the dried starch-based resin composition with 2 parts of pentaerythritol and 2 parts of acetamide, extrude and granulate at a temperature range of 80°C to 120°C, and cool;

（4）取25份的聚丁二酸-己二酸-丁二醇、20份聚乳酸与步骤（3）所得产物混合搅拌，并在80℃至120℃范围内再进一步挤出成粒，即得本发明。(4) Take 25 parts of polysuccinic acid-adipic acid-butylene glycol, 20 parts of polylactic acid and the product obtained in step (3), mix and stir, and further extrude into granules within the range of 80°C to 120°C, That is the present invention.

实施例8：Embodiment 8:

（1）称取40份的淀粉，50份的淀粉与丙烯酸酯接枝共聚物，10份的丙烯酸酯均聚物，制备淀粉与丙烯酸酯接枝聚合物的淀粉基树脂组合物；(1) Weighing 40 parts of starch, 50 parts of starch and acrylate graft copolymer, and 10 parts of acrylate homopolymer to prepare a starch-based resin composition of starch and acrylate graft polymer;

（2）将步骤（1）制得的淀粉基树脂组合物去水干燥，直至含水量小于7%；(2) dewatering and drying the starch-based resin composition prepared in step (1) until the water content is less than 7%;

（3）取75重量份的干燥后淀粉基树脂组合物和3份的甘油、和2份尿素混合均匀，在80℃至120℃温度范围内挤出造粒并冷却；(3) Mix 75 parts by weight of the dried starch-based resin composition with 3 parts of glycerin and 2 parts of urea, extrude and granulate in the temperature range of 80°C to 120°C, and cool;

（4）取25份的聚丁二酸-丁二醇、25份聚对苯二甲酸-丁二 酸-丁二醇与步骤（3）所得产物混合搅拌，并在80℃至120℃范围内再进一步挤出成粒，即得本发明。(4) Take 25 parts of polysuccinic acid-butylene glycol, 25 parts of polyterephthalic acid-succinic acid-butylene glycol and the product obtained in step (3) and mix and stir, and heat the Then further extrude into granules to obtain the present invention.

实施例9：Embodiment 9:

（1）称取40份的淀粉，50份的淀粉与丙烯酸酯接枝共聚物，10份的丙烯酸酯均聚物，制备淀粉与丙烯酸酯接枝聚合物的淀粉基树脂组合物；(1) Weighing 40 parts of starch, 50 parts of starch and acrylate graft copolymer, and 10 parts of acrylate homopolymer to prepare a starch-based resin composition of starch and acrylate graft polymer;

（2）将步骤（1）制得的淀粉基树脂组合物去水干燥，直至含水量小于7%；(2) dewatering and drying the starch-based resin composition prepared in step (1) until the water content is less than 7%;

（3）取80重量份的干燥后淀粉基树脂组合物和3份的甘油、1份甲酰胺和2份尿素混合均匀，在80℃至120℃温度范围内挤出造粒并冷却；(3) Mix 80 parts by weight of the dried starch-based resin composition with 3 parts of glycerin, 1 part of formamide and 2 parts of urea, extrude and granulate at a temperature range of 80°C to 120°C, and cool;

（4）取20份的聚乳酸、5份聚丁二酸-丁二醇、25份聚对苯二甲酸-丁二 酸-丁二醇与步骤（3）所得产物混合搅拌，并在80℃至120℃范围内再进一步挤出成粒，即得本发明。(4) Take 20 parts of polylactic acid, 5 parts of polysuccinic acid-butylene glycol, 25 parts of polyterephthalic acid-succinic acid-butylene glycol and mix with the product obtained in step (3), and heat it at 80°C It is further extruded into granules in the range of 120°C to obtain the present invention.

实施例10：Example 10:

（1）称取40份的淀粉，40份的淀粉与丙烯酸酯接枝共聚物，10份的丙烯酸酯均聚物，制备淀粉与丙烯酸酯接枝聚合物的淀粉基树脂组合物；(1) Weighing 40 parts of starch, 40 parts of starch and acrylate graft copolymer, and 10 parts of acrylate homopolymer to prepare a starch-based resin composition of starch and acrylate graft polymer;

（2）将步骤（1）制得的淀粉基树脂组合物去水干燥，直至含水量小于7%；(2) dewatering and drying the starch-based resin composition prepared in step (1) until the water content is less than 7%;

（3）取70重量份的干燥后淀粉基树脂组合物和2份的甘油、1份甲酰胺和2份尿素、1份乙酰胺混合均匀，在80℃至120℃温度范围内挤出造粒并冷却；(3) Mix 70 parts by weight of the dried starch-based resin composition with 2 parts of glycerin, 1 part of formamide, 2 parts of urea, and 1 part of acetamide, and extrude and granulate at a temperature range of 80°C to 120°C and cool down;

（4）取10份的聚乳酸、5份聚对苯二甲酸-己二酸-丁二醇、10份聚丁二酸-丁二醇、10份聚丁二酸-己二酸-丁二醇、15份聚对苯二甲酸-丁二 酸-丁二醇与步骤（3）所得产物混合搅拌，并在80℃至120℃范围内再进一步挤出成粒，即得本发明。(4) Take 10 parts of polylactic acid, 5 parts of polyterephthalic acid-adipic acid-butylene glycol, 10 parts of polysuccinic acid-butylene glycol, and 10 parts of polysuccinic acid-adipic acid-butylene glycol Alcohol, 15 parts of polyterephthalic acid-succinic acid-butylene glycol and the product obtained in step (3) are mixed and stirred, and further extruded into granules in the range of 80°C to 120°C to obtain the present invention.

本发明步骤（1）所述的制备淀粉与丙烯酸酯接枝聚合物的淀粉基树脂组合物的方法与中国专利CN 2016101978152中相同，在此不在赘述。The method for preparing the starch-based resin composition of starch and acrylate graft polymer described in step (1) of the present invention is the same as that in Chinese patent CN 2016101978152, and will not be repeated here.

Claims (6)

1. the composite of a fully biodegradable, it is characterised in that: it is made up of the raw material of following weight ratio:
The starch-based resin compositions containing starch Yu graft polymerization of acrylic ester thing of 30 80 parts, 10 50 parts the most raw Thing degradative resin and the plasticiser of 16 parts.
The composite of a kind of fully biodegradable the most according to claim 1, it is characterised in that: described containing starch With the starch-based resin compositions of graft polymerization of acrylic ester thing, it is made up of the raw material of following weight ratio: the starch of 30-90 part, The starch of 10-50 part and acrylate graft copolymers, the Voncoat R 3310 of 0.1-40 part.
The composite of a kind of fully biodegradable the most according to claim 2, it is characterised in that: described starch is general One or more of logical corn starch, modified corn starch, tapioca, wheaten starch and sorghum starch.
Composite of a kind of fully biodegradable the most according to claim 2 and preparation method thereof, it is characterised in that: Described acrylate is the one of acrylic acid methyl ester., methyl methacrylate and butyl acrylate.
The composite of a kind of fully biodegradable the most according to claim 1, it is characterised in that: described the most raw Thing degradative resin be polylactic acid, poly terephthalic acid-adipic acid-butanediol, poly-succinic-butanediol, poly-succinic-oneself two The combination of one or more in acid-butanediol, poly terephthalic acid-succinic acid-butanediol.
The composite of a kind of fully biodegradable the most according to claim 1, it is characterised in that: described plasticiser is One or several in carbamide, Methanamide, acetamide, polyhydric alcohol.
CN201610501793.4A 2016-06-30 2016-06-30 Completely biodegradable composite material Pending CN106046430A (en)

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CN107083005A (en) * 2017-05-11 2017-08-22 山东师范大学 A kind of starch base foamed plastic masterbatch and its foaming method
CN107083006A (en) * 2017-05-11 2017-08-22 山东师范大学 A kind of method for producing biodegradable foamed plastic
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CN107118485A (en) * 2017-05-11 2017-09-01 山东师范大学 A kind of production method of plastic master batch
CN107236235A (en) * 2017-05-11 2017-10-10 山东师范大学 A kind of method that foamed plastic is produced with modified starch
CN107418120A (en) * 2017-05-11 2017-12-01 山东师范大学 A kind of method that biodegradable foamed plastic is produced with modified starch
CN108912581A (en) * 2018-07-10 2018-11-30 武汉工程大学 A kind of plastic soybean protein composite material and preparation method
CN108912581B (en) * 2018-07-10 2021-01-05 武汉工程大学 A kind of thermoplastic soybean protein composite material and preparation method thereof
CN115594799A (en) * 2022-10-28 2023-01-13 会通新材料股份有限公司（Cn） Low-cost high-performance biodegradable composite material and preparation method thereof

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Application publication date: 20161026