WO2010111898A1 - 一种可环境降解的复合材料及其制备方法 - Google Patents
一种可环境降解的复合材料及其制备方法 Download PDFInfo
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- WO2010111898A1 WO2010111898A1 PCT/CN2010/070169 CN2010070169W WO2010111898A1 WO 2010111898 A1 WO2010111898 A1 WO 2010111898A1 CN 2010070169 W CN2010070169 W CN 2010070169W WO 2010111898 A1 WO2010111898 A1 WO 2010111898A1
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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
- C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
- C08L3/02—Starch; Degradation products thereof, e.g. dextrin
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- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
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- 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
- B29C48/92—Measuring, controlling or regulating
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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
- C08L101/00—Compositions of unspecified macromolecular compounds
- C08L101/16—Compositions of unspecified macromolecular compounds the macromolecular compounds being biodegradable
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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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/12—Polyester-amides
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- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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- 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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
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- 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
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
- B29C48/2886—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules of fibrous, filamentary or filling materials, e.g. thin fibrous reinforcements or fillers
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- 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
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/29—Feeding the extrusion material to the extruder in liquid form
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- 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
- B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
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- 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
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
-
- 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
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/16—Fillers
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- 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
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0059—Degradable
- B29K2995/006—Bio-degradable, e.g. bioabsorbable, bioresorbable or bioerodible
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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
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
- C08L5/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
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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
- C08L97/00—Compositions of lignin-containing materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
Definitions
- the invention relates to an environmentally degradable polymer composite material, in particular to an environmentally degradable composite material prepared by using a recyclable raw material and a moderately crosslinked aliphatic polyester amide, and a preparation method thereof.
- Natural polymer materials such as starch, cellulose (such as bamboo powder, straw powder, bagasse, etc.), lignin (such as wood flour), etc., rich in natural resources, low in price, renewable, can be used to prepare biodegradable materials .
- Some synthetic environmentally degradable materials such as aliphatic polyesters, fat-aromatic copolyesters, aliphatic polyester amides, etc., generally have excellent mechanical properties and performance properties, but are expensive. Therefore, the use of inexpensive renewable raw materials and synthetic materials with excellent properties to prepare composite materials capable of environmental degradation has become an important method for solving the contradiction between performance and cost of environmentally degradable plastics, and has become an important research direction in the field of environmentally degradable materials. .
- Mater-Bi series from Novamont, Italy is made from starch and polycaprolactone (Catia B. Polymer Degradation and Stability, 1998, 59( 1-3 ): 263 ⁇ 272 )
- the melting point of polycaprolactone is only 60 ° C, it cannot be used in a low temperature, high temperature and high humidity environment other than 0 ° C to 50 ° C and relative humidity of 30 ° C to 80 ° C.
- the price of Mater-Bi products is more than 7,000 US dollars / ton, and the price is too expensive.
- the higher melting point of the aliphatic polyester is polylactic acid, which has excellent properties.
- Sun XZ et al. of Kansas State University studied the blending of natural starch and polylactic acid, but the compatibility was poor and the performance was unstable (Sun X Z. Applied Polymer Science, 2002, 84: 1257-1262).
- the aliphatic polyester amide is a copolymer of an aliphatic, aromatic copolyester and an aliphatic polyamide, which has superior strength and mechanical properties than a simple polyester, and the simultaneous presence of an ester bond and an amide bond imparts
- the amphiphilicity of the polyester amide is better than that of the polyester. Further, as long as the degree of polymerization of the polyamide block segment in the copolymer is 20 or less, the polyester amide can be completely degraded by the environment.
- the combination of starch and polyester amide is mentioned in the patents of the publications CN1242032A and CN1222171A, but the properties of the composite are not described in detail. Summary of the invention
- the object of the present invention is to provide an environmentally degradable composite material which is excellent in mechanical properties and environmental degradation properties and low in price, and is a random block aliphatic polyester which is moderately crosslinked from renewable raw materials and environmentally degradable.
- Another object of the present invention is to provide a process for the preparation of the above composite material which is effective in a single cylinder and has a high yield and is suitable for industrial production.
- m is an integer of 2 to 10
- n is an integer of 2 to 12
- p, q, and r are integers of 2 to 12
- m, n, and p may be the same or different
- X is an integer of 1 to 10
- y is An integer from 1 to 10 with a molecular weight of 4 to 150,000.
- the moderately crosslinked aliphatic polyester amide random block copolymer may also be a copolymer of the following structural formula:
- m is an integer from 2 to 10
- n is an integer from 2 to 12
- p, q, and r are integers from 2 to 12
- m, n, p may be the same or different
- x is an integer from 1 to 10
- y is An integer from 1 to 10, with a sub-quantity of 4 to 150,000.
- the moderately crosslinked aliphatic polyester amide random block copolymer may also be a copolymer of the following structural formula: Oc H
- m is an integer of 2 to 10
- n is an integer of 2 to 12
- p, q, and r are integers of 2 to 12
- m, n, p may be the same or different
- x is an integer of 1 to 10
- y is An integer from 1 to 10 with a molecular weight of 4 to 150,000.
- the renewable raw material is one or more of starch, cellulose (such as bamboo powder, straw powder, bagasse, etc.), lignin (wood flour, etc.), chitin, chitosan;
- the additive is one or more of a plasticizer, a heat stabilizer, a lubricant or an antioxidant; the filler is one or more of carbonic acid 4, talc, wollastonite or silica. .
- the plasticizer is one or more of glycerin, ethylene glycol, sorbitol, xylitol, maltitol, diethylene glycol, polyethylene glycol, fatty acid monoglyceride or urea.
- the heat stabilizer is one or more of calcium stearate, stearic acid, barium stearate, dibutyltin dilaurate, di-n-octyl dilaurate or calcium complex stabilizer.
- the lubricant is one or more of ethylene bis stearamide, polyethylene wax, oxidized polyethylene wax, polypropylene wax or liquid paraffin; the antioxidant is antioxidant 1010, anti-oxidation One or more of the agent 1076, the antioxidant 2246, or the antioxidant 245.
- the preparation method of the invention comprises the following steps:
- the ester structural unit and the amide structural unit in the moderately crosslinked aliphatic polyester amide copolymer are formed into a polyester segment and a polyamide segment, and are distributed in a random block sequence. Further, these polyester amide macromolecules obtained by copolymerizing a polyester segment and a polyamide segment which are distributed by a random block sequence are appropriately crosslinked with a small amount of a trifunctional compound to form a flowable polymer having an appropriate degree of branching.
- the cross-linking bond may be an ester bond, an amide bond, a carbon-carbon bond or a combination of these.
- the degree of crosslinking of the polymerization product is controlled to be 5% - 0.1% to ensure that the synthesized polymer still has melt processable fluidity.
- the aromatic acid (or a derivative thereof) accounts for not more than 40% by mole of the total carboxylic acid (or a derivative thereof).
- the renewable raw material is one or more of starch, cellulose (e.g., bamboo powder, straw powder, bagasse, etc.), lignin (wood flour, etc.), chitin, chitosan, and the like.
- cellulose e.g., bamboo powder, straw powder, bagasse, etc.
- lignin wood flour, etc.
- chitin chitosan
- the additive consists of the following components (total weight of the additive is 100 parts):
- a plasticizer such as glycerin, ethylene glycol, sorbitol, xylitol, maltitol, diethylene glycol, polyethylene glycol, fatty acid monoglyceride, urea, etc.
- heat stabilizer such as stearic acid 4 bow, stearic acid, barium stearate, dibutyl tin dilaurate, di-n-octyl dilaurate, calcium complex stabilizer, etc. kind or more.
- a lubricant such as one or more of ethylene bis stearamide (EBS), polyethylene wax, oxidized polyethylene wax, polypropylene wax, liquid paraffin, and the like;
- EBS ethylene bis stearamide
- an antioxidant such as one or more of an antioxidant 1010, an antioxidant 1076, an antioxidant 2246, and an antioxidant 245.
- the invention has the following characteristics:
- the composite material of the renewable raw material prepared by the invention and the moderately crosslinked polyester amide is white or light yellow solid, has good mechanical properties, and has tensile strength of 15-30 MPa and elongation at break of 300-1000%. .
- the bending strength is 10 ⁇ 25MPa, and the notched impact strength is 20 ⁇ 90 kJ/m 2 .
- the use of the composite material is good, and by adjusting the ratio of the starting materials, the structure and properties of the product can be controlled over a wide range.
- the composite material prepared by the invention has excellent environmental degradation performance, and can be completely decomposed by microorganisms under composting conditions, and the biodegradation rate is more than 90% after 12 weeks of composting.
- the environmentally degradable composite material prepared by the invention has a melting point of 120-180 ° C, a melt flow rate of 5-20 g/10 min, good molding processing performance, and can be extruded, injection molded, and processed on ordinary plastic processing equipment. Blow molding, plastic molding, hot pressing and other methods are formed into various products.
- Example 2 60 kg of moderately crosslinked polyesteramide, 20 kg of corn starch, 7 kg of glycerin, 2 kg of calcium stearate, 1 kg of ethylene bis stearamide, 1 kg of antioxidant 1010, 10 kg of calcium carbonate are added to the high-speed mixer at room temperature. Stir at 50 ⁇ 150°C for 5 ⁇ 30min, mix evenly, cool down and discharge. Then, the above materials were added to a twin-screw extruder and reacted and extruded at 120 to 230 ° C to obtain a composite tensile strength of 28 MPa and an elongation at break of 1000%. The bending strength was 25 MPa, and the notched impact strength was 90 kJ/m 2 .
- Example 2 60 kg of moderately crosslinked polyesteramide, 20 kg of corn starch, 7 kg of glycerin, 2 kg of calcium stearate, 1 kg of ethylene bis stearamide, 1 kg of antioxidant 1010, 10 kg of calcium carbonate are added to the high-speed mixer at room
- 60 kg of moderately crosslinked polyester amide, 20 kg of lignin (wood flour), 8 kg of xylitol, 2 kg of di-n-octyl dilaurate, 1 kg of polyethylene wax, 1 kg of antioxidant 1076, 8 kg of talc are added to the high speed at room temperature.
- the mixer stir at 50 ⁇ 150 °C for 5 ⁇ 30min, mix evenly, cool down and discharge.
- the above materials were added to a twin-screw extruder and reacted and extruded at 120 to 230 ° C to obtain a composite tensile strength of 18 MPa and an elongation at break of 400%.
- the bending strength is 19 MPa and the notched impact strength is 48 kJ/m 2 .
- 50kg moderately crosslinked polyester amide, 30kg lignin (wood flour), 8kg diethylene glycol, 2kg calcium complex stabilizer, 1kg polyethylene wax, 1kg antioxidant 1076, 8kg talc powder are added to high speed mixing at room temperature.
- the above materials were added to a twin-screw extruder and reacted and extruded at 120 to 230 ° C to obtain a composite tensile strength of 15 MPa and an elongation at break of 300%.
- the bending strength was 18 MPa
- the notched impact strength was 40 kJ/m 2 .
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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)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Biological Depolymerization Polymers (AREA)
Abstract
Description
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10739827A EP2351794A4 (en) | 2009-03-31 | 2010-01-14 | POLYMER COMPOSITE DEGRADABLE IN THE ENVIRONMENT |
AU2010230796A AU2010230796B2 (en) | 2009-03-31 | 2010-01-14 | Environmentally degradable polymer composite |
JP2011506565A JP2011516719A (ja) | 2009-03-31 | 2010-01-14 | 環境分解性高分子複合材料及びその製造方法 |
US12/839,431 US8431628B2 (en) | 2009-03-31 | 2010-07-20 | Environmentally degradable composite material and method for producing the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN200910061362.0 | 2009-03-31 | ||
CN2009100613620A CN101525487B (zh) | 2009-03-31 | 2009-03-31 | 一种可环境降解的复合材料及其制备方法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US12/839,431 Continuation US8431628B2 (en) | 2009-03-31 | 2010-07-20 | Environmentally degradable composite material and method for producing the same |
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WO2010111898A1 true WO2010111898A1 (zh) | 2010-10-07 |
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PCT/CN2010/070169 WO2010111898A1 (zh) | 2009-03-31 | 2010-01-14 | 一种可环境降解的复合材料及其制备方法 |
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Country | Link |
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US (1) | US8431628B2 (zh) |
EP (1) | EP2351794A4 (zh) |
JP (1) | JP2011516719A (zh) |
CN (1) | CN101525487B (zh) |
AU (1) | AU2010230796B2 (zh) |
WO (1) | WO2010111898A1 (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101525487B (zh) * | 2009-03-31 | 2012-01-11 | 武汉华丽生物材料有限公司 | 一种可环境降解的复合材料及其制备方法 |
AT509621B1 (de) * | 2010-03-23 | 2012-04-15 | Univ Innsbruck | Verfahren zur herstellung eines stickstoffenthaltenden polysaccharids |
CN101851429B (zh) * | 2010-06-11 | 2012-09-05 | 奇瑞汽车股份有限公司 | 一种木质素复合材料的制备方法 |
CN101973174A (zh) * | 2010-09-21 | 2011-02-16 | 浙江大学 | 一种生物可降解塑料笔杆的加工工艺 |
WO2012125101A1 (en) * | 2011-03-14 | 2012-09-20 | Esp Solutions Ltd. | A package made of a polymer comprising pro-oxidant filler material |
CN103351615B (zh) * | 2013-07-09 | 2015-08-12 | 宁波伊德尔新材料有限公司 | 一种易降解环保尼龙的制备方法 |
CN104804455A (zh) * | 2014-01-28 | 2015-07-29 | 深圳齐心集团股份有限公司 | 塑料降解材料及其制备方法 |
US10888926B2 (en) * | 2014-11-26 | 2021-01-12 | Schlumberger Technology Corporation | Shaping degradable material |
CN108164931A (zh) * | 2016-12-07 | 2018-06-15 | 黑龙江鑫达企业集团有限公司 | 一种环保型3d打印木塑复合材料 |
CN109503739A (zh) * | 2018-11-19 | 2019-03-22 | 李开民 | 一种固体降解剂及其制备方法 |
CN111205583B (zh) * | 2020-03-17 | 2022-12-27 | 宁波利安科技股份有限公司 | 一种易降解环保塑料及其制备方法 |
CN111409344A (zh) * | 2020-04-14 | 2020-07-14 | 四川汇利实业有限公司 | 一种药品包装膜及其制备方法 |
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CN1242032A (zh) | 1996-11-05 | 2000-01-19 | 诺瓦蒙特股份公司 | 生物可降解的包含淀粉和热塑性聚合物的聚合组合物 |
US6096809A (en) * | 1995-04-07 | 2000-08-01 | Bio-Tec Biologische Naturverpackungen Gmbh & Co. Kg | Biologically degradable polymer mixture |
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CN101525487A (zh) * | 2009-03-31 | 2009-09-09 | 武汉华丽生物材料有限公司 | 一种可环境降解的复合材料及其制备方法 |
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- 2010-01-14 EP EP10739827A patent/EP2351794A4/en not_active Ceased
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Also Published As
Publication number | Publication date |
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CN101525487B (zh) | 2012-01-11 |
EP2351794A4 (en) | 2012-08-01 |
EP2351794A1 (en) | 2011-08-03 |
JP2011516719A (ja) | 2011-05-26 |
AU2010230796B2 (en) | 2013-08-29 |
AU2010230796A1 (en) | 2010-10-07 |
US20110028592A1 (en) | 2011-02-03 |
US8431628B2 (en) | 2013-04-30 |
CN101525487A (zh) | 2009-09-09 |
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