CN107011670A - A kind of method that PPDO improves polypropylene sorrel water resistance and compliance with PLA - Google Patents
A kind of method that PPDO improves polypropylene sorrel water resistance and compliance with PLA Download PDFInfo
- Publication number
- CN107011670A CN107011670A CN201710362687.7A CN201710362687A CN107011670A CN 107011670 A CN107011670 A CN 107011670A CN 201710362687 A CN201710362687 A CN 201710362687A CN 107011670 A CN107011670 A CN 107011670A
- Authority
- CN
- China
- Prior art keywords
- pla
- ppdo
- water resistance
- tridecyl ether
- poly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L87/00—Compositions of unspecified macromolecular compounds, obtained otherwise than by polymerisation reactions only involving unsaturated carbon-to-carbon bonds
- C08L87/005—Block or graft polymers not provided for in groups C08L1/00 - C08L85/04
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
- C08G81/02—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C08G81/024—Block or graft polymers containing sequences of polymers of C08C or C08F and of polymers of C08G
- C08G81/027—Block or graft polymers containing sequences of polymers of C08C or C08F and of polymers of C08G containing polyester or polycarbonate sequences
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2387/00—Characterised by the use of unspecified macromolecular compounds, obtained otherwise than by polymerisation reactions only involving unsaturated carbon-to-carbon bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
Landscapes
- 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)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Materials For Medical Uses (AREA)
- Laminated Bodies (AREA)
- External Artificial Organs (AREA)
Abstract
The present invention, which discloses a kind of PPDO, improves the method for polypropylene sorrel water resistance and compliance with PLA, using following steps:1)The synthesis of polyacrylic acid PPDO PLA dual graft copolymer:Hydroxy-end capped PPDO monododecyl ether is added in dry reactor, hydroxy-end capped PLA list tridecyl ether, solvent, condensing agent and polyacrylic acid, stirring reaction 2~3 days, terminating reaction obtains object;2)The preparation of PPDO and polylactic acid modified polypropylene sorrel:Polyacrylic acid PPDO PLA dual graft copolymer, PLA list tridecyl ether and solvent are added in dry reactor, after stirring is mixed 50~60 minutes, with the tape casting film forming and drying, object of the present invention is obtained.Preparation technology of the present invention is simple, be easy to grasp, and gained Modified Membrane water resistance and compliance are greatly improved.
Description
Technical field
The present invention relates to a kind of method being improved to polypropylene sorrel water resistance and compliance, belong to thin polymer film
Preparing technical field.
Background technology
Polyacrylic acid is a kind of biomaterial with good biocompatibility and biodegradability, polypropylene sorrel
It can be used as artificial skin etc., but polypropylene sorrel hydrophily is too strong and more stiff, lacks preferable water resistance and compliance, so that
Its application is limited to a certain extent.PPDO and poly-(D,L)Lactic acid is with excellent biocompatibility and life
The biomaterial of Biodegradable, with good hydrophobicity and compliance.First by PPDO segment and PLA
Segment introduces polyacrylic acid segment formation poly acrylic acid-poly Lanthanum Isopropoxide-PLA dual graft copolymer, Ran Houzai simultaneously
Polylactic acid chain segment is added into poly acrylic acid-poly Lanthanum Isopropoxide-PLA dual graft copolymer formation blend, is made and is modified
Polypropylene sorrel, so as to drastically increase the water resistance and compliance of polypropylene sorrel.
The content of the invention
It is preferable to polypropylene sorrel water resistance and submissive it is an object of the invention to provide a kind of simple to operate and effect
The method that property is improved.Its technical scheme is:
A kind of method that PPDO improves polypropylene sorrel water resistance and compliance with PLA, it is characterised in that:
The molecular weight of polyacrylic acid segment is 83000~91000 in Modified Membrane, the molecular weight of PPDO segment for 2500~
2700, the molecular weight of polylactic acid chain segment is 2500~2700;Its method of modifying uses following steps:
1)The synthesis of poly acrylic acid-poly Lanthanum Isopropoxide-PLA dual graft copolymer:Hydroxyl is added in dry reactor
The PPDO monododecyl ether of end-blocking, hydroxy-end capped PLA list tridecyl ether, solvent, condensing agent and poly-
Under acrylic acid, inert atmosphere, in 27~32 DEG C of stirring reactions 2~3 days, terminating reaction by filtering, dialysis, was dried, obtains mesh
Mark thing;
2)The preparation of PPDO and polylactic acid modified polypropylene sorrel:Polypropylene is added in dry reactor
Under acid-PPDO-PLA dual graft copolymer, PLA list tridecyl ether and solvent, inert atmosphere, in 47
After~53 DEG C of stirrings are mixed 50~60 minutes, with the tape casting film forming and drying, object is obtained.
The method that a kind of described PPDO improves polypropylene sorrel water resistance and compliance with PLA, step
Rapid 1)In, the mol ratio of PPDO monododecyl ether and polyacrylic acid is 15~25:1, PLA list tridecane
Base ether is using poly-(D, Pfansteihl)The mol ratio of single tridecyl ether, PLA list tridecyl ether and polyacrylic acid be 15~
25:1。
The method that a kind of described PPDO improves polypropylene sorrel water resistance and compliance with PLA, step
Rapid 1)In, condensing agent is usedN,N’- dicyclohexylcarbodiimide,N,N’- DIC or 3- ethyls -1-(3- bis-
First aminopropyl)The mol ratio of carbodiimide, condensing agent and polyacrylic acid is 1.08~1.9:1, solvent uses dimethyl sulfoxide (DMSO), instead
It is 5~15 g to answer thing solution concentration:100 ml.
The method that a kind of described PPDO improves polypropylene sorrel water resistance and compliance with PLA, step
Rapid 2)In, PLA list tridecyl ether is using poly-(D, Pfansteihl)Single tridecyl ether, PLA list tridecyl ether is changing
Property film in mass percent be 2~3%, solvent uses dimethyl sulfoxide (DMSO), and mixture solution concentration is 25~30 g:100 ml.
Compared with prior art, its advantage is the present invention:
1st, a kind of described PPDO and PLA improve the method for polypropylene sorrel water resistance and compliance, use
Two kinds of means of a kind of reaction that is esterified simultaneously of polymer polymeric monomer different from two kinds and blending, it is simple to operate, be easy to slap
Hold;
2nd, described polyacrylic acid modified film water resistance and compliance are enhanced.
Embodiment
Embodiment 1
1)The preparation of poly acrylic acid-poly Lanthanum Isopropoxide-PLA dual graft copolymer
16.8 grams of polyacrylic acid are added in dry reactor(Molecular weight is 83000), 9.3 grams it is hydroxy-end capped poly- to dioxy ring
Hexanone monododecyl ether(Molecular weight is 2500)With 9.3 grams of hydroxy-end capped PLA list tridecyl ethers(Molecular weight is
2500), 353 ml dimethyl sulfoxide (DMSO)s are added, 0.052 gram is addedN,N’Under-dicyclohexylcarbodiimide, inert atmosphere, in 27
DEG C stirring reaction 2 days, terminating reaction by filtering, dialysis, is dried, obtains object;
2)The preparation of PPDO and polylactic acid modified polypropylene sorrel
10 grams of poly acrylic acid-poly Lanthanum Isopropoxide-PLA dual graft copolymers and 37 ml bis- are added in dry reactor
Methyl sulfoxide solvent, it is another to add the PLA list tridecyl ether for accounting for Modified Membrane gross weight 2%(Molecular weight is 2500), indifferent gas
Under atmosphere, mixed 50 minutes in 47 DEG C of stirrings, use the tape casting film forming, object is dried to obtain in 50 DEG C of vacuum drying chambers.
After tested:The surface contact angle and its elongation at break of object and water of the present invention respectively than improving before modified
12.4 ° and 9.7%.
Embodiment 2
1)The preparation of poly acrylic acid-poly Lanthanum Isopropoxide-PLA dual graft copolymer
20.7 grams of polyacrylic acid are added in dry reactor(Molecular weight is 87000), 11.4 grams it is hydroxy-end capped poly- to dioxy
Cyclohexanone monododecyl ether(Molecular weight is 2600)With 11.4 grams of hydroxy-end capped PLA list tridecyl ethers(Molecular weight is
2600), 435 ml dimethyl sulfoxide (DMSO)s are added, 0.038 gram is addedN,N’Under-DIC, inert atmosphere, in 30
DEG C stirring reaction 3 days, terminating reaction by filtering, dialysis, is dried, obtains object;
2)The preparation of PPDO and polylactic acid modified polypropylene sorrel
9.9 grams of poly acrylic acid-poly Lanthanum Isopropoxide-PLA dual graft copolymers and 36 ml are added in dry reactor
Dimethyl sulfoxide solvent, it is another to add the PLA list tridecyl ether for accounting for Modified Membrane gross weight 2%(Molecular weight is 2600), inertia
Under atmosphere, mixed 55 minutes in 49 DEG C of stirrings, use the tape casting film forming, object is dried to obtain in 50 DEG C of vacuum drying chambers.
After tested:The surface contact angle and its elongation at break of object and water of the present invention respectively than improving before modified
12.9 ° and 10.3%.
Embodiment 3
1)The preparation of poly acrylic acid-poly Lanthanum Isopropoxide-PLA dual graft copolymer
22.5 grams of polyacrylic acid are added in dry reactor(Molecular weight is 91000), 12.5 grams it is hydroxy-end capped poly- to dioxy
Cyclohexanone monododecyl ether(Molecular weight is 2700)With 12.5 grams of hydroxy-end capped PLA list tridecyl ethers(Molecular weight is
2700), 475 ml dimethyl sulfoxide (DMSO)s are added, 0.059 gram of 3- ethyls -1- is added(3- dimethylaminopropyls)Carbodiimide, inertia
Under atmosphere, in 32 DEG C of stirring reactions 2 days, terminating reaction by filtering, dialysis, was dried, obtains object;
2)The preparation of PPDO and polylactic acid modified polypropylene sorrel
9.5 grams of poly acrylic acid-poly Lanthanum Isopropoxide-PLA dual graft copolymers and 35 ml are added in dry reactor
Dimethyl sulfoxide solvent, it is another to add the PLA list tridecyl ether for accounting for Modified Membrane gross weight 3%(Molecular weight is 2700), inertia
Under atmosphere, mixed 60 minutes in 53 DEG C of stirrings, use the tape casting film forming, object is dried to obtain in 50 DEG C of vacuum drying chambers.
After tested:The surface contact angle and its elongation at break of object and water of the present invention respectively than improving before modified
13.3 ° and 11.4%.
Claims (4)
1. a kind of method that PPDO improves polypropylene sorrel water resistance and compliance with PLA, its feature exists
In:The molecular weight of polyacrylic acid segment is 83000~91000 in Modified Membrane, and the molecular weight of PPDO segment is
2500~2700, the molecular weight of polylactic acid chain segment is 2500~2700;Its method of modifying uses following steps:
1)The synthesis of poly acrylic acid-poly Lanthanum Isopropoxide-PLA dual graft copolymer:Hydroxyl is added in dry reactor
The PPDO monododecyl ether of end-blocking, hydroxy-end capped PLA list tridecyl ether, solvent, condensing agent and poly-
Under acrylic acid, inert atmosphere, in 27~32 DEG C of stirring reactions 2~3 days, terminating reaction by filtering, dialysis, was dried, obtains mesh
Mark thing;
2)The preparation of PPDO and polylactic acid modified polypropylene sorrel:Polypropylene is added in dry reactor
Under acid-PPDO-PLA dual graft copolymer, PLA list tridecyl ether and solvent, inert atmosphere, in 47
After~53 DEG C of stirrings are mixed 50~60 minutes, with the tape casting film forming and drying, object is obtained.
2. a kind of PPDO according to claim 1 improves polypropylene sorrel water resistance and submissive with PLA
The method of property, it is characterised in that:Step 1)In, the mol ratio of PPDO monododecyl ether and polyacrylic acid is 15
~25:1, PLA list tridecyl ether is using poly-(D, Pfansteihl)Single tridecyl ether, PLA list tridecyl ether is with gathering
The mol ratio of acrylic acid is 15~25:1.
3. a kind of PPDO according to claim 1 improves polypropylene sorrel water resistance and soft with PLA
Pliable method, it is characterised in that:Step 1)In, condensing agent is usedN,N’- dicyclohexylcarbodiimide,N,N’- diisopropyl
Carbodiimide or 3- ethyls -1-(3- dimethylaminopropyls)The mol ratio of carbodiimide, condensing agent and polyacrylic acid be 1.08~
1.9:1, solvent uses dimethyl sulfoxide (DMSO), and reactant solution concentration is 5~15 g:100 ml.
4. a kind of PPDO according to claim 1 improves polypropylene sorrel water resistance and submissive with PLA
The method of property, it is characterised in that:Step 2)In, PLA list tridecyl ether is using poly-(D, Pfansteihl)Single tridecyl ether,
Mass percent of the PLA list tridecyl ether in Modified Membrane is 2~3%, and solvent uses dimethyl sulfoxide (DMSO), mixture solution
Concentration is 25~30 g:100 ml.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710362687.7A CN107011670A (en) | 2017-05-22 | 2017-05-22 | A kind of method that PPDO improves polypropylene sorrel water resistance and compliance with PLA |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710362687.7A CN107011670A (en) | 2017-05-22 | 2017-05-22 | A kind of method that PPDO improves polypropylene sorrel water resistance and compliance with PLA |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107011670A true CN107011670A (en) | 2017-08-04 |
Family
ID=59449870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710362687.7A Withdrawn CN107011670A (en) | 2017-05-22 | 2017-05-22 | A kind of method that PPDO improves polypropylene sorrel water resistance and compliance with PLA |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107011670A (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103865275A (en) * | 2014-04-11 | 2014-06-18 | 山东理工大学 | Method for improving the water resistance of polyethylene glycol film modified by polylactic acid and polyvinyl alcohol |
CN105542479A (en) * | 2016-03-07 | 2016-05-04 | 山东理工大学 | Method for improving water resistance and flexibility of polyvinyl alcohol film through poly(p-dioxanone) and poly lactic acid-glycolic acid |
CN105566663A (en) * | 2016-03-07 | 2016-05-11 | 山东理工大学 | Method for improving water resistance and compliance of polyvinyl alcohol film with poly (p-dioxanone) and P (CPP-SA)-polyethylene glycol |
-
2017
- 2017-05-22 CN CN201710362687.7A patent/CN107011670A/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103865275A (en) * | 2014-04-11 | 2014-06-18 | 山东理工大学 | Method for improving the water resistance of polyethylene glycol film modified by polylactic acid and polyvinyl alcohol |
CN105542479A (en) * | 2016-03-07 | 2016-05-04 | 山东理工大学 | Method for improving water resistance and flexibility of polyvinyl alcohol film through poly(p-dioxanone) and poly lactic acid-glycolic acid |
CN105566663A (en) * | 2016-03-07 | 2016-05-11 | 山东理工大学 | Method for improving water resistance and compliance of polyvinyl alcohol film with poly (p-dioxanone) and P (CPP-SA)-polyethylene glycol |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107011670A (en) | A kind of method that PPDO improves polypropylene sorrel water resistance and compliance with PLA | |
CN107011675A (en) | A kind of method that polycaprolactone improves polypropylene sorrel water resistance and compliance with poly (lactic acid-glycolic acid) | |
CN106987141A (en) | A kind of method that PLA improves polypropylene sorrel water resistance and compliance with PPDO | |
CN106977939A (en) | A kind of method being improved with PTMC and PPDO to polypropylene sorrel water resistance and compliance | |
CN106977953A (en) | A kind of method that PLA is improved with PPDO to polypropylene sorrel water resistance and compliance | |
CN106977930A (en) | A kind of method that PPDO improves polypropylene sorrel water resistance and compliance with polypropylene glycol | |
CN106947262A (en) | A kind of method that polycaprolactone improves polypropylene sorrel water resistance and compliance with PPDO | |
CN106947260A (en) | A kind of method that PPDO improves polypropylene sorrel water resistance and compliance with PLA | |
CN106947263A (en) | A kind of method that PPDO improves polypropylene sorrel water resistance and compliance with poly (lactic acid-glycolic acid) | |
CN107057373A (en) | A kind of method that PTMC improves polypropylene sorrel water resistance and compliance with poly (lactic acid-glycolic acid) | |
CN107011666A (en) | A kind of method being improved with polycaprolactone and PPDO to polypropylene sorrel water resistance and compliance | |
CN106977940A (en) | A kind of method that PTMC improves polypropylene sorrel water resistance and compliance with PLA | |
CN106977936A (en) | A kind of polycaprolactone is with gathering(Lactide glycolide)The method for improving polypropylene sorrel water resistance and compliance | |
CN107011671A (en) | A kind of method that PTMC improves polypropylene sorrel water resistance and compliance with PLA | |
CN106977931A (en) | A kind of method that PPDO improves polypropylene sorrel water resistance and compliance with polypropylene glycol | |
CN107118564A (en) | A kind of method that polycaprolactone improves polypropylene sorrel water resistance and compliance with PLA | |
CN107011673A (en) | A kind of method that PTMC improves polypropylene sorrel water resistance and compliance with PPDO | |
CN106987142A (en) | A kind of method that poly (lactic acid-glycolic acid) improves polypropylene sorrel water resistance and compliance with PTMC | |
CN106977943A (en) | A kind of method that PTMC improves polypropylene sorrel water resistance and compliance with PPDO | |
CN106987135A (en) | A kind of method that poly (lactic acid-glycolic acid) is improved with PPDO to polypropylene sorrel water resistance and compliance | |
CN106977948A (en) | A kind of method that PLA is improved with polycaprolactone to polypropylene sorrel water resistance and compliance | |
CN106977928A (en) | A kind of method being improved with MPEGPLA and PPDO to polypropylene sorrel water resistance and compliance | |
CN107118571A (en) | A kind of method that PLA is improved with PTMC to polypropylene sorrel water resistance and compliance | |
CN106987140A (en) | A kind of method that PPDO improves polypropylene sorrel water resistance and compliance with PTMC | |
CN106947266A (en) | A kind of method that polypropylene glycol improves polypropylene sorrel water resistance and compliance with polycaprolactone |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170804 |
|
WW01 | Invention patent application withdrawn after publication |