CN107216841A - A kind of polydactyl acid adhesive and preparation method thereof - Google Patents

A kind of polydactyl acid adhesive and preparation method thereof Download PDF

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Publication number
CN107216841A
CN107216841A CN201710477477.2A CN201710477477A CN107216841A CN 107216841 A CN107216841 A CN 107216841A CN 201710477477 A CN201710477477 A CN 201710477477A CN 107216841 A CN107216841 A CN 107216841A
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CN
China
Prior art keywords
parts
polydactyl acid
acid adhesive
preparation
pla
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Pending
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CN201710477477.2A
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Chinese (zh)
Inventor
顾建芳
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Suzhou Austrian Packaging Technology Co Ltd
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Suzhou Austrian Packaging Technology Co Ltd
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Priority to CN201710477477.2A priority Critical patent/CN107216841A/en
Publication of CN107216841A publication Critical patent/CN107216841A/en
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J167/00Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
    • C09J167/04Polyesters derived from hydroxycarboxylic acids, e.g. lactones
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/04Non-macromolecular additives inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08Macromolecular additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • C08K2003/265Calcium, strontium or barium carbonate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer 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)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Polyesters Or Polycarbonates (AREA)

Abstract

The invention discloses a kind of polydactyl acid adhesive and preparation method thereof, by weight, the adhesive includes following components:13~26 parts of starch, 8~20 parts of maleic anhydride, 3~15 parts of polyethylene glycol, 8~19 parts of nano-calcium carbonate, 3~11 parts of sodium hydroxide, 8~19 parts of hydroxymethyl cellulose, 1~5 part of dispersant, 3~8 parts of defoamer, 8~16 parts of L lactide monomers, 22~45 parts of PLA.(1) starch and PLA thermodynamic compatibility in polydactyl acid adhesive of the present invention are good, so that the fracture strength between interface is higher;(2) adhesive plasticity of the present invention is strong, with good mechanical property and physical property.

Description

A kind of polydactyl acid adhesive and preparation method thereof
Technical field
The invention belongs to technical field of material chemistry, be related to a kind of adhesive, specially a kind of polydactyl acid adhesive and its Preparation method.
Background technology
Adhesive is one of formulation for coating material important composition, and the selection of adhesive is directly affected between pigment particles and pigment Bond strength between body paper, while producing significant impact to coating rheological property and ways and methods.Conventional coating glue Stick can be divided into natural adhesive such as starch, casein and synthetic adhesive such as styrene-butadiene latex, polyvinyl alcohol etc..Starch is used as glue Stick makes tremendous contribution to Paper Coating, but because its viscosity is high, poor fluidity, plasticity is low, and the shortcomings of stability is poor is uncomfortable Should the demand that develop to higher coating solids of modern coating industry, and be gradually synthesized adhesive and replace.Synthetic adhesive with Natural adhesive is widely used compared to having the advantages that thermoplasticity is good, strength of coating is big in paper industry.But with Oil price rises steadily, and people are to the growing interest of environmental issue, starch is as a kind of wide material sources, and price is low Honest and clean, the material of natural degradable increasingly retrieves the concern and research of people.
PLA is the high molecular polymer prepared by raw material of lactic acid, with good mechanical property and physical property, Be suitable for being blow molded, the processing method such as thermoforming, and it has good biocompatibility and biological degradability.By starch and poly- breast Acid blending, can improve the shortcomings of starch plasticity is relatively low, film forming is poor, while blend fully biodegradable.But, gather Lactic acid and starch are thermodynamically incompatible, cause the fracture strength between interface very low, have important to performance of intermingling material etc. Influence.
The content of the invention
The purpose of the present invention is:In order to overcome the defect of prior art, a kind of compatibility of acquisition is good, and fracture strength is high to be total to Mixed adhesive, the invention provides a kind of polydactyl acid adhesive and preparation method thereof.
Technical scheme:A kind of polydactyl acid adhesive, by weight, the adhesive include following components:Starch 13~26 parts, 8~20 parts of maleic anhydride, 3~15 parts of polyethylene glycol, 8~19 parts of nano-calcium carbonate, 3~11 parts of sodium hydroxide, hydroxyl 8~19 parts of methylcellulose, 1~5 part of dispersant, 3~8 parts of defoamer, 8~16 parts of L- lactide monomers, PLA 22~45 Part.
It is preferred that, by weight, the adhesive includes following components:22 parts of starch, 15 parts of maleic anhydride, poly- second two 12 parts of alcohol, 15 parts of nano-calcium carbonate, 8 parts of sodium hydroxide, 14 parts of hydroxymethyl cellulose, 3 parts of dispersant, 6 parts of defoamer, L- third are handed over 13 parts of ester monomer, 40 parts of PLA.
A kind of preparation method of described polydactyl acid adhesive, is comprised the steps of:
(1) by starch dissolution in toluene, 35~55 DEG C is warming up to, maleic anhydride is added while stirring, after being well mixed 70~80 DEG C of waters bath with thermostatic control, stand 30~50 minutes;
(2) product after the processing of step (1) is placed in baking oven and dried, and pulverized, be subsequently placed in vacuum drying Dried in case 1~3 hour, wherein vacuum is -0.2Pa~-0.1Pa, and temperature is 70~85 DEG C;
(3) under anhydrous, vacuum state, by hydroxymethyl cellulose, PLA and L- lactide monomers in mass ratio 8~ 11:3~5 mixing, solvent is toluene, is reacted 1~3 hour under the conditions of 45~55 DEG C;Nitrogen is then charged with, 130 DEG C are warming up to Afterwards, octoate catalyst stannous is instilled, magnetic agitation, reaction is cooled down at room temperature after 20~50 minutes;
(4) product for obtaining step (2) and step (3) is mixed with polyethylene glycol, nano-calcium carbonate, sodium hydroxide, plus Enter dispersant and defoamer, reacted 2~4 hours under the conditions of 85~100 DEG C, is made.
It is preferred that, starch dissolution is warming up to 48 DEG C, maleic anhydride is added while stirring in toluene in step (1), is mixed Uniform rear 75 DEG C of waters bath with thermostatic control are closed, 42 minutes are stood.
It is preferred that, the product after the processing of step (1) is placed in baking oven in step (2) and dried, and pulverize, then It is placed in vacuum drying chamber and dries 2 hours, wherein vacuum is -0.2PaPa, and temperature is 82 DEG C.
It is preferred that, in step (3) under anhydrous, vacuum state, by hydroxymethyl cellulose, PLA and L- lactide monomers In mass ratio 9:4 mixing, solvent is toluene, is reacted 2 hours under the conditions of 52 DEG C;Nitrogen is then charged with, is warming up to after 130 DEG C, Octoate catalyst stannous is instilled, magnetic agitation, reaction is cooled down at room temperature after 42 minutes.
It is preferred that, the product and polyethylene glycol, nano-calcium carbonate, hydrogen for obtaining step (2) and step (3) in step (4) Sodium oxide molybdena is mixed, and adds dispersant and defoamer, is reacted 3 hours under the conditions of 92 DEG C, is made.
Beneficial effect:(1) starch and PLA thermodynamic compatibility in polydactyl acid adhesive of the present invention are good, So as to which the fracture strength between interface is higher;(2) adhesive plasticity of the present invention is strong, with good mechanical property and physics Performance.
Embodiment
Embodiment 1
A kind of polydactyl acid adhesive, by weight, the adhesive include following components:13 parts of starch, Malaysia 8 parts of acid anhydrides, 3 parts of polyethylene glycol, 8 parts of nano-calcium carbonate, 3 parts of sodium hydroxide, 8 parts of hydroxymethyl cellulose, 1 part of dispersant, froth breaking 3 parts of agent, 8 parts of L- lactide monomers, 22 parts of PLA.
A kind of preparation method of described polydactyl acid adhesive, is comprised the steps of:
(1) by starch dissolution in toluene, 35 DEG C is warming up to, maleic anhydride is added while stirring, 70 DEG C after being well mixed Water bath with thermostatic control, stands 30 minutes;
(2) product after the processing of step (1) is placed in baking oven and dried, and pulverized, be subsequently placed in vacuum drying Dried in case 1 hour, wherein vacuum is -0.2Pa, and temperature is 70 DEG C;
(3) under anhydrous, vacuum state, by hydroxymethyl cellulose, PLA and L- lactide monomers in mass ratio 8:3 mix Close, solvent is toluene, reacted 1 hour under the conditions of 45 DEG C;Nitrogen is then charged with, is warming up to after 130 DEG C, octoate catalyst is instilled Stannous, magnetic agitation, reaction is cooled down at room temperature after 20 minutes;
(4) product for obtaining step (2) and step (3) is mixed with polyethylene glycol, nano-calcium carbonate, sodium hydroxide, plus Enter dispersant and defoamer, reacted 2 hours under the conditions of 85 DEG C, is made.
Embodiment 2
A kind of polydactyl acid adhesive, by weight, the adhesive include following components:22 parts of starch, Malaysia 15 parts of acid anhydrides, 12 parts of polyethylene glycol, 15 parts of nano-calcium carbonate, 8 parts of sodium hydroxide, 14 parts of hydroxymethyl cellulose, 3 parts of dispersant, 6 parts of defoamer, 13 parts of L- lactide monomers, 40 parts of PLA.
A kind of preparation method of described polydactyl acid adhesive, is comprised the steps of:
(1) by starch dissolution in toluene, 48 DEG C is warming up to, maleic anhydride is added while stirring, 75 DEG C after being well mixed Water bath with thermostatic control, stands 42 minutes;
(2) product after the processing of step (1) is placed in baking oven and dried, and pulverized, be subsequently placed in vacuum drying Dried in case 2 hours, wherein vacuum is -0.2PaPa, and temperature is 82 DEG C;
(3) under anhydrous, vacuum state, by hydroxymethyl cellulose, PLA and L- lactide monomers in mass ratio 9:4 mix Close, solvent is toluene, reacted 2 hours under the conditions of 52 DEG C;Nitrogen is then charged with, is warming up to after 130 DEG C, octoate catalyst is instilled Stannous, magnetic agitation, reaction is cooled down at room temperature after 42 minutes;
(4) product for obtaining step (2) and step (3) is mixed with polyethylene glycol, nano-calcium carbonate, sodium hydroxide, plus Enter dispersant and defoamer, reacted 3 hours under the conditions of 92 DEG C, is made.
Embodiment 3
A kind of polydactyl acid adhesive, by weight, the adhesive include following components:26 parts of starch, Malaysia 20 parts of acid anhydrides, 15 parts of polyethylene glycol, 19 parts of nano-calcium carbonate, 11 parts of sodium hydroxide, 19 parts of hydroxymethyl cellulose, 5 parts of dispersant, 8 parts of defoamer, 16 parts of L- lactide monomers, 45 parts of PLA.
A kind of preparation method of described polydactyl acid adhesive, is comprised the steps of:
(1) by starch dissolution in toluene, 55 DEG C is warming up to, maleic anhydride is added while stirring, 80 DEG C after being well mixed Water bath with thermostatic control, stands 50 minutes;
(2) product after the processing of step (1) is placed in baking oven and dried, and pulverized, be subsequently placed in vacuum drying Dried in case 3 hours, wherein vacuum is -0.1Pa, and temperature is 85 DEG C;
(3) under anhydrous, vacuum state, by hydroxymethyl cellulose, PLA and L- lactide monomers in mass ratio 11:5 Mixing, solvent is toluene, is reacted 3 hours under the conditions of 55 DEG C;Nitrogen is then charged with, is warming up to after 130 DEG C, catalyst is instilled pungent Sour stannous, magnetic agitation, reaction is cooled down at room temperature after 50 minutes;
(4) product for obtaining step (2) and step (3) is mixed with polyethylene glycol, nano-calcium carbonate, sodium hydroxide, plus Enter dispersant and defoamer, reacted 4 hours under the conditions of 100 DEG C, is made.
The polydactyl acid adhesive that embodiment 1~3 is prepared is detected, it is as a result as shown in the table:
Embodiment 1 Embodiment 2 Embodiment 3
Viscosity/cp 5580 5520 5536
Paper White Degree/% 98.22 99.36 99.12

Claims (7)

1. a kind of polydactyl acid adhesive, it is characterised in that by weight, the adhesive includes following components:Starch 13~26 parts, 8~20 parts of maleic anhydride, 3~15 parts of polyethylene glycol, 8~19 parts of nano-calcium carbonate, 3~11 parts of sodium hydroxide, hydroxyl 8~19 parts of methylcellulose, 1~5 part of dispersant, 3~8 parts of defoamer, 8~16 parts of L- lactide monomers, PLA 22~45 Part.
2. a kind of polydactyl acid adhesive according to claim 1, it is characterised in that by weight, the gluing Agent includes following components:22 parts of starch, 15 parts of maleic anhydride, 12 parts of polyethylene glycol, 15 parts of nano-calcium carbonate, 8 parts of sodium hydroxide, 14 parts of hydroxymethyl cellulose, 3 parts of dispersant, 6 parts of defoamer, 13 parts of L- lactide monomers, 40 parts of PLA.
3. the preparation method of a kind of polydactyl acid adhesive described in claim 1 or 2, it is characterised in that include following step Suddenly:
(1) by starch dissolution in toluene, 35~55 DEG C is warming up to, maleic anhydride is added while stirring, 70 after being well mixed~ 80 DEG C of waters bath with thermostatic control, stand 30~50 minutes;
(2) product after the processing of step (1) is placed in baking oven and dried, and pulverized, is subsequently placed in vacuum drying chamber Dry 1~3 hour, wherein vacuum is -0.2Pa~-0.1Pa, and temperature is 70~85 DEG C;
(3) under anhydrous, vacuum state, by hydroxymethyl cellulose, PLA and L- lactide monomers in mass ratio 8~11:3~ 5 mixing, solvent is toluene, is reacted 1~3 hour under the conditions of 45~55 DEG C;Nitrogen is then charged with, is warming up to after 130 DEG C, is instilled Octoate catalyst stannous, magnetic agitation, reaction is cooled down at room temperature after 20~50 minutes;
(4) product for obtaining step (2) and step (3) is mixed with polyethylene glycol, nano-calcium carbonate, sodium hydroxide, is added and is divided Powder and defoamer, react 2~4 hours under the conditions of 85~100 DEG C, are made.
4. the preparation method of a kind of polydactyl acid adhesive according to claim 3, it is characterised in that in step (1) By starch dissolution in toluene, 48 DEG C are warming up to, maleic anhydride is added while stirring, 75 DEG C of waters bath with thermostatic control after being well mixed are quiet Put 42 minutes.
5. the preparation method of a kind of polydactyl acid adhesive according to claim 3, it is characterised in that in step (2) Product after the processing of step (1) is placed in baking oven and dried, and is pulverized, dry 2 are subsequently placed in vacuum drying chamber small When, wherein vacuum is -0.2PaPa, and temperature is 82 DEG C.
6. the preparation method of a kind of polydactyl acid adhesive according to claim 3, it is characterised in that in step (3) Under anhydrous, vacuum state, by hydroxymethyl cellulose, PLA and L- lactide monomers in mass ratio 9:4 mixing, solvent is first Benzene, reacts 2 hours under the conditions of 52 DEG C;Nitrogen is then charged with, is warming up to after 130 DEG C, octoate catalyst stannous is instilled, magnetic force is stirred Mix, reaction is cooled down at room temperature after 42 minutes.
7. the preparation method of a kind of polydactyl acid adhesive according to claim 3, it is characterised in that in step (4) The product that step (2) and step (3) are obtained is mixed with polyethylene glycol, nano-calcium carbonate, sodium hydroxide, is added dispersant and is disappeared Infusion, reacts 3 hours under the conditions of 92 DEG C, is made.
CN201710477477.2A 2017-06-20 2017-06-20 A kind of polydactyl acid adhesive and preparation method thereof Pending CN107216841A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107905041A (en) * 2017-11-25 2018-04-13 蚌埠申徽彩色印刷包装有限公司 A kind of water proof type corrugated board
CN108034161A (en) * 2017-11-25 2018-05-15 蚌埠申徽彩色印刷包装有限公司 A kind of flame retardant type corrugated board

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102391627A (en) * 2011-08-24 2012-03-28 淮阴工学院 Preparation method of polylactic acid/ polydiethylene glycol sebacate/ palygorskite clay composite material
CN102627935A (en) * 2012-03-23 2012-08-08 长沙乐远化工科技有限公司 Biodegradable aqueous emulsion-type polylactic acid adhesive and its preparation method
CN106432702A (en) * 2016-09-14 2017-02-22 华东理工大学 Succinic anhydride modified PLA (polylactic acid)/PEG (polyethylene glycol) composite and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102391627A (en) * 2011-08-24 2012-03-28 淮阴工学院 Preparation method of polylactic acid/ polydiethylene glycol sebacate/ palygorskite clay composite material
CN102627935A (en) * 2012-03-23 2012-08-08 长沙乐远化工科技有限公司 Biodegradable aqueous emulsion-type polylactic acid adhesive and its preparation method
CN106432702A (en) * 2016-09-14 2017-02-22 华东理工大学 Succinic anhydride modified PLA (polylactic acid)/PEG (polyethylene glycol) composite and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107905041A (en) * 2017-11-25 2018-04-13 蚌埠申徽彩色印刷包装有限公司 A kind of water proof type corrugated board
CN108034161A (en) * 2017-11-25 2018-05-15 蚌埠申徽彩色印刷包装有限公司 A kind of flame retardant type corrugated board

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