CN107216841A - A kind of polydactyl acid adhesive and preparation method thereof - Google Patents
A kind of polydactyl acid adhesive and preparation method thereof Download PDFInfo
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- 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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- polydactyl acid
- acid adhesive
- preparation
- pla
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
- C09J167/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
- C08K2201/011—Nanostructured additives
-
- 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)
- 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
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.
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CN201710477477.2A CN107216841A (en) | 2017-06-20 | 2017-06-20 | A kind of polydactyl acid adhesive and preparation method thereof |
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Cited By (2)
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)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
-
2017
- 2017-06-20 CN CN201710477477.2A patent/CN107216841A/en active Pending
Patent Citations (3)
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)
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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