CN110358275A - A kind of PLA composite material and preparation method - Google Patents
A kind of PLA composite material and preparation method Download PDFInfo
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- CN110358275A CN110358275A CN201910774987.5A CN201910774987A CN110358275A CN 110358275 A CN110358275 A CN 110358275A CN 201910774987 A CN201910774987 A CN 201910774987A CN 110358275 A CN110358275 A CN 110358275A
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- phenenyl
- mutual
- alcohol ester
- composite material
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
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- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- 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
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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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
- 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)
- Compositions Of Macromolecular Compounds (AREA)
- Graft Or Block Polymers (AREA)
Abstract
The present invention relates to PLA material technical field, in particular a kind of PLA composite material and preparation method, including polyadipate-mutual-phenenyl two acid bromide two alcohol ester after PLA, grafting modification, modified nano-alumina, scratch-resistant modified dose, antioxidant.In the present invention, by using polyadipate-mutual-phenenyl two acid bromide two alcohol ester after PLA, grafting modification, modified nano-alumina, scratch-resistant modified dose, raw material of the antioxidant as PLA composite material, wherein, the toughness of PLA composite material can be improved in polyadipate-mutual-phenenyl two acid bromide two alcohol ester addition after grafting modification, the raising of modified nano-alumina being added with conducive to PLA composite materials property, the scratch-resistant modified dose of scraping and wiping resistance performance for strengthening PLA composite material is suitable for promoting the use of.
Description
Technical field
The present invention relates to PLA material technical field, specially a kind of PLA composite material and preparation method.
Background technique
Currently there are most of PLA material, toughness and mechanical property are poor, and not scratch-resistant, therefore, for
The above problem proposes a kind of PLA composite material and preparation method.
Summary of the invention
The purpose of the present invention is to provide a kind of PLA composite material and preparation methods, by using PLA, chemical graft
Modified polyadipate-mutual-phenenyl two acid bromide two alcohol ester, modified nano-alumina, scratch-resistant modified dose, antioxidant is as PLA
The raw material of composite material, wherein polyadipate-mutual-phenenyl two acid bromide two alcohol ester addition after grafting modification can be improved
The toughness of PLA composite material, the raising of modified nano-alumina being added with conducive to PLA composite materials property, scratch-resistant
Modifying agent strengthens the scraping and wiping resistance performance of PLA composite material, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of PLA composite material and preparation method includes following component by weight: PLA40-60 parts, chemistry connects
Modified polyadipate -15-30 parts of the mutual-phenenyl two acid bromide two alcohol ester of branch, 1-3 parts, scratch-resistant modified dose of modified nano-alumina
10-15 parts, 0.2-0.6 parts of antioxidant.
Preferably, polyadipate-mutual-phenenyl two acid bromide two alcohol ester after the grafting modification is using metering system
Acid glycidyl ester, n-vinyl pyrrolidone and cumyl peroxide are to polyadipate-mutual-phenenyl two acid bromide two alcohol ester
It is obtained after carrying out grafting modification, concrete operations are as follows: polyadipate-mutual-phenenyl two acid bromide two alcohol ester, methacrylic acid contract
After water glyceride, n-vinyl pyrrolidone and cumyl peroxide carry out melt blending, after obtaining grafting modification
Polyadipate-mutual-phenenyl two acid bromide two alcohol ester.
Preferably, it includes: by weight that the polyadipate after grafting modification-mutual-phenenyl two acid bromide two alcohol ester, which makes raw material,
Meter, polyadipate -80-90 parts of mutual-phenenyl two acid bromide two alcohol ester, 1-3 parts of glycidyl methacrylate, N- vinyl pyrrole
1-3 parts of alkanone and 0.1-0.5 parts of cumyl peroxide.
Preferably, described modified nano-alumina 1-3 parts are that treated is nano oxidized by aluminate coupling agent F-1
Aluminium.
Preferably, described scratch-resistant modified dose is styrene-acrylonitrile graft glycidyl methacrylate and/or poly-
Vinyl alcohol grafted polylactic acid.
Preferably, specific step is as follows for a kind of preparation method of PLA composite material:
1) by polyadipate-mutual-phenenyl two acid bromide two alcohol ester after PLA40-60 part of corresponding weight, grafting modification
15-30 parts, 1-3 parts of modified nano-alumina, scratch-resistant modified dose 10-15 parts, 0.2-0.6 parts of antioxidant weigh it is rear spare；
2) by polyadipate-mutual-phenenyl two acid bromide two alcohol ester after PLA40-60 part of corresponding weight, grafting modification
15-30 parts, 1-3 parts of modified nano-alumina, 0.2-0.6 parts of scratch-resistant modified dose 10-15 parts, antioxidant progress melt blendings,
Obtain PLA composite material.
Compared with prior art, the beneficial effects of the present invention are: gathering oneself two by using after PLA, grafting modification
Acid-mutual-phenenyl two acid bromide two alcohol ester, modified nano-alumina, scratch-resistant modified dose, original of the antioxidant as PLA composite material
Material, wherein PLA composite material can be improved in polyadipate-mutual-phenenyl two acid bromide two alcohol ester addition after grafting modification
Toughness, the raising of modified nano-alumina being added with conducive to PLA composite materials property, scratch-resistant modified dose strengthens
The scraping and wiping resistance performance of PLA composite material.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
The present invention provides a kind of technical solution:
A kind of PLA composite material and preparation method includes following component by weight: PLA40-60 parts, chemistry connects
Modified polyadipate -15-30 parts of the mutual-phenenyl two acid bromide two alcohol ester of branch, 1-3 parts, scratch-resistant modified dose of modified nano-alumina
10-15 parts, 0.2-0.6 parts of antioxidant.
Wherein, polyadipate-mutual-phenenyl two acid bromide two alcohol ester after grafting modification is using Glycidyl methacrylate
Glyceride, n-vinyl pyrrolidone and cumyl peroxide are to polyadipate-mutual-phenenyl two acid bromide two alcohol esterization
It is obtained after learning graft modification, concrete operations are as follows: by polyadipate-mutual-phenenyl two acid bromide two alcohol ester, methyl propenoic acid glycidyl
After ester, n-vinyl pyrrolidone and cumyl peroxide carry out melt blending, gather oneself after obtaining grafting modification
Diacid-mutual-phenenyl two acid bromide two alcohol ester.
Wherein, it includes: by weight that the polyadipate after grafting modification-mutual-phenenyl two acid bromide two alcohol ester, which makes raw material,
Meter, polyadipate -80-90 parts of mutual-phenenyl two acid bromide two alcohol ester, 1-3 parts of glycidyl methacrylate, N- vinyl pyrrole
1-3 parts of alkanone and 0.1-0.5 parts of cumyl peroxide.
Wherein, modified nano-alumina 1-3 parts are by aluminate coupling agent F-1 treated nano aluminium oxide.
Wherein, scratch-resistant modified dose is styrene-acrylonitrile graft glycidyl methacrylate and/or polyvinyl alcohol
Grafted polylactic acid.
Wherein, specific step is as follows for a kind of preparation method of PLA composite material:
1) by polyadipate-mutual-phenenyl two acid bromide two alcohol ester after PLA40-60 part of corresponding weight, grafting modification
15-30 parts, 1-3 parts of modified nano-alumina, scratch-resistant modified dose 10-15 parts, 0.2-0.6 parts of antioxidant weigh it is rear spare；
2) by polyadipate-mutual-phenenyl two acid bromide two alcohol ester after PLA40-60 part of corresponding weight, grafting modification
15-30 parts, 1-3 parts of modified nano-alumina, 0.2-0.6 parts of scratch-resistant modified dose 10-15 parts, antioxidant progress melt blendings,
Obtain PLA composite material.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of PLA composite material, it is characterised in that: by weight include following component: PLA40-60 parts, chemical graft changes
1-3 parts, scratch-resistant modified dose polyadipate -15-30 parts of mutual-phenenyl two acid bromide two alcohol ester, modified nano-alumina 10- after property
15 parts, 0.2-0.6 parts of antioxidant.
2. a kind of PLA composite material according to claim 1, it is characterised in that: gather oneself after the grafting modification
Diacid-mutual-phenenyl two acid bromide two alcohol ester is using glycidyl methacrylate, n-vinyl pyrrolidone and peroxidating
Diisopropylbenzene (DIPB) obtains after carrying out grafting modification to polyadipate-mutual-phenenyl two acid bromide two alcohol ester, concrete operations are as follows: will gather oneself
Diacid-mutual-phenenyl two acid bromide two alcohol ester, glycidyl methacrylate, n-vinyl pyrrolidone and peroxidating diisopropyl
Polyadipate-mutual-phenenyl two acid bromide two alcohol ester after benzene carries out melt blending, after obtaining grafting modification.
3. a kind of PLA composite material according to claim 2, it is characterised in that: the polyadipate-after grafting modification
It includes: polyadipate -80-90 parts of mutual-phenenyl two acid bromide two alcohol ester, first by weight that mutual-phenenyl two acid bromide two alcohol ester, which makes raw material,
1-3 parts of base glycidyl acrylate, 1-3 parts of n-vinyl pyrrolidone and 0.1-0.5 parts of cumyl peroxide.
4. a kind of PLA composite material according to claim 1, it is characterised in that: described modified nano-alumina 1-3 parts are
By aluminate coupling agent F-1 treated nano aluminium oxide.
5. a kind of PLA composite material according to claim 1, it is characterised in that: described scratch-resistant modified dose is styrene-
Acrylonitrile grafting glycidyl methacrylate and/or polyvinyl alcohol graft copolymerized polylactic acid.
6. a kind of preparation method of PLA composite material according to claim 1, it is characterised in that: specific step is as follows:
1) by polyadipate-mutual-phenenyl two acid bromide two alcohol ester 15-30 after PLA40-60 part of corresponding weight, grafting modification
Part, 1-3 parts of modified nano-alumina, scratch-resistant modified dose 10-15 parts, 0.2-0.6 parts of antioxidant weigh it is rear spare；
2) by polyadipate-mutual-phenenyl two acid bromide two alcohol ester 15-30 after PLA40-60 part of corresponding weight, grafting modification
Part, 1-3 parts of modified nano-alumina, 0.2-0.6 parts of scratch-resistant modified dose 10-15 parts, antioxidant progress melt blendings obtain
PLA composite material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910774987.5A CN110358275A (en) | 2019-08-21 | 2019-08-21 | A kind of PLA composite material and preparation method |
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| CN201910774987.5A CN110358275A (en) | 2019-08-21 | 2019-08-21 | A kind of PLA composite material and preparation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115216128A (en) * | 2022-07-27 | 2022-10-21 | 弗润德力新材料(宁夏)股份有限公司 | High-flexibility and high-antibacterial-property biodegradable polylactic acid material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109504049A (en) * | 2018-11-22 | 2019-03-22 | 合肥恒鑫环保科技有限公司 | A kind of paper table ware processing PLA composite material |
| CN109721977A (en) * | 2018-12-21 | 2019-05-07 | 辽宁石油化工大学 | A kind of high-impact PLA/PBAT composite material and preparation method |
| CN109912950A (en) * | 2019-03-29 | 2019-06-21 | 金旸（厦门）新材料科技有限公司 | A kind of scratch-resistant PLA/PP composite material and preparation method and application |
-
2019
- 2019-08-21 CN CN201910774987.5A patent/CN110358275A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109504049A (en) * | 2018-11-22 | 2019-03-22 | 合肥恒鑫环保科技有限公司 | A kind of paper table ware processing PLA composite material |
| CN109721977A (en) * | 2018-12-21 | 2019-05-07 | 辽宁石油化工大学 | A kind of high-impact PLA/PBAT composite material and preparation method |
| CN109912950A (en) * | 2019-03-29 | 2019-06-21 | 金旸（厦门）新材料科技有限公司 | A kind of scratch-resistant PLA/PP composite material and preparation method and application |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115216128A (en) * | 2022-07-27 | 2022-10-21 | 弗润德力新材料(宁夏)股份有限公司 | High-flexibility and high-antibacterial-property biodegradable polylactic acid material and preparation method thereof |
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Application publication date: 20191022 |