CN106977929A - A kind of method being improved with PTMC and polypropylene glycol to polypropylene sorrel water resistance and compliance - Google Patents
A kind of method being improved with PTMC and polypropylene glycol to polypropylene sorrel water resistance and compliance Download PDFInfo
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- CN106977929A CN106977929A CN201710362565.8A CN201710362565A CN106977929A CN 106977929 A CN106977929 A CN 106977929A CN 201710362565 A CN201710362565 A CN 201710362565A CN 106977929 A CN106977929 A CN 106977929A
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- polypropylene glycol
- ptmc
- polypropylene
- compliance
- water resistance
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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
- 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
- C08G81/025—Block or graft polymers containing sequences of polymers of C08C or C08F and of polymers of C08G containing polyether sequences
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- 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
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- 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
- C08J2469/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
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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
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
Abstract
The present invention discloses a kind of method being improved with PTMC and polypropylene glycol to polypropylene sorrel water resistance and compliance, using following steps：1）The synthesis of polyacrylic acid polypropylene glycol graft copolymer：Add hydroxy-end capped polypropylene glycol monobutyl ether, solvent, condensing agent and polyacrylic acid in dry reactor, stirring reaction 2~4 days, terminating reaction obtains object；2）The preparation of PTMC and the polypropylene sorrel of polypropylene glycol modified：Polyacrylic acid polypropylene glycol graft copolymer, PTMC 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.PTMC and polypropylene glycol（Molecular weight more than 2000）It is with excellent
The biomaterial of biocompatibility and biodegradability, with hydrophobicity and compliance.Polypropylene glycol segment is first introduced poly-
Acrylate formation poly acrylic acid-poly propane diols graft copolymer, then PTMC segment is added gather again
Acrylic acid-polypropylene glycol graft copolymer formation blend, is made modified polypropene sorrel, so as to drastically increase polypropylene
The water resistance and compliance of 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 being improved with PTMC and polypropylene glycol to polypropylene sorrel water resistance and compliance,
It is characterized in that：The molecular weight of polyacrylic acid segment is 84000~89000 in Modified Membrane, and the molecular weight of polypropylene glycol segment is
2100~2500, the molecular weight of PTMC segment is 4800~5400；Its method of modifying uses following steps：
1）The synthesis of poly acrylic acid-poly propane diols graft copolymer：Hydroxy-end capped polypropylene glycol is added in dry reactor
Under monobutyl ether, solvent, condensing agent and polyacrylic acid, inert atmosphere, in 28~34 DEG C of stirring reactions 2~4 days, terminating reaction was led to
Filter, dialyse, dry, obtain object；
2）The preparation of PTMC and the polypropylene sorrel of polypropylene glycol modified：Poly- third is added in dry reactor
Under olefin(e) acid-polypropylene glycol graft copolymer, PTMC 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.
Described one kind is carried out with PTMC with polypropylene glycol to polypropylene sorrel water resistance and compliance
Improved method, step 1）In, the mol ratio of polypropylene glycol monobutyl ether and polyacrylic acid is 15~25:1.
Described one kind is carried out with PTMC with polypropylene glycol to polypropylene sorrel water resistance and compliance
Improved method, step 1）In, condensing agent is usedN,N’- dicyclohexylcarbodiimide,N,N’- DIC or 3-
Ethyl -1-（3- dimethylaminopropyls）The mol ratio of carbodiimide, condensing agent and polyacrylic acid is 1.07~1.9:1, solvent is used
Dimethyl sulfoxide (DMSO), reactant solution concentration is 5~15 g:100 ml.
Described one kind is carried out with PTMC with polypropylene glycol to polypropylene sorrel water resistance and compliance
Improved method, step 2）In, mass percent of the PTMC list tridecyl ether in Modified Membrane 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, described one kind is changed with PTMC and polypropylene glycol to polypropylene sorrel water resistance and compliance
The method entered, using esterification and blending two kinds of means, it is simple to operate, be easy to grasp；
2nd, described polyacrylic acid modified film water resistance and compliance are enhanced.
Embodiment
Embodiment 1
1）The preparation of poly acrylic acid-poly propane diols graft copolymer
20.8 grams of polyacrylic acid are added in dry reactor（Molecular weight is 84000）With 9.5 grams of hydroxy-end capped polypropylene glycols
Monobutyl ether（Molecular weight is 2100）, 298 ml dimethyl sulfoxide (DMSO)s are added, 0.063 gram is addedN,N’- dicyclohexylcarbodiimide,
Under inert atmosphere, in 28 DEG C of stirring reactions 2 days, terminating reaction by filtering, dialysis, was dried, obtains object；
2）The preparation of PTMC and the polypropylene sorrel of polypropylene glycol modified
10 grams of poly acrylic acid-poly propane diols graft copolymers and 37 ml dimethyl sulfoxide solvents are added in dry reactor, separately
Add the PTMC list tridecyl ether for accounting for Modified Membrane gross weight 2%（Molecular weight is 4800）, under inert 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
12.1 ° and 9.4%.
Embodiment 2
1）The preparation of poly acrylic acid-poly propane diols graft copolymer
21 grams of polyacrylic acid are added in dry reactor（Molecular weight is 85000）With 10.8 grams of hydroxy-end capped polypropylene glycol lists
Butyl ether（Molecular weight is 2300）, 315 ml dimethyl sulfoxide (DMSO)s are added, 0.039 gram is addedN,N’- DIC, it is lazy
Property atmosphere under, in 30 DEG C of stirring reactions 3 days, terminating reaction by filtering, dialysis, was dried, and obtains object；
2）The preparation of PTMC and the polypropylene sorrel of polypropylene glycol modified
10.1 grams of poly acrylic acid-poly propane diols graft copolymers are added in dry reactor and 36.5 ml dimethyl sulfoxide (DMSO)s are molten
Agent, it is another to add the PTMC list tridecyl ether for accounting for Modified Membrane gross weight 2%（Molecular weight is 5000）, indifferent gas
Under atmosphere, mixed 55 minutes in 50 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
12.6 ° and 10.1%.
Embodiment 3
1）The preparation of poly acrylic acid-poly propane diols graft copolymer
21.5 grams of polyacrylic acid are added in dry reactor（Molecular weight is 89000）With 11.4 grams of hydroxy-end capped polypropylene glycols
Monobutyl ether（Molecular weight is 2500）, 327 ml dimethyl sulfoxide (DMSO)s are added, 0.058 gram of 3- ethyls -1- is added（3- diformazans ammonia third
Base）Under carbodiimide, inert atmosphere, in 34 DEG C of stirring reactions 4 days, terminating reaction by filtering, dialysis, was dried, obtains target
Thing；
2）The preparation of PTMC and the polypropylene sorrel of polypropylene glycol modified
9.5 grams of poly acrylic acid-poly propane diols graft copolymers and 35 ml dimethyl sulfoxide solvents are added in dry reactor,
It is another to add the PTMC list tridecyl ether for accounting for Modified Membrane gross weight 3%（Molecular weight is 5400）, inert atmosphere
Under, 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
13.2 ° and 10.7%.
Claims (4)
1. a kind of side being improved with PTMC and polypropylene glycol to polypropylene sorrel water resistance and compliance
Method, it is characterised in that：The molecular weight of polyacrylic acid segment is 84000~89000, the molecular weight of polypropylene glycol segment in Modified Membrane
For 2100~2500, the molecular weight of PTMC segment is 4800~5400；Its method of modifying uses following steps：
1）The synthesis of poly acrylic acid-poly propane diols graft copolymer：Hydroxy-end capped polypropylene glycol is added in dry reactor
Under monobutyl ether, solvent, condensing agent and polyacrylic acid, inert atmosphere, in 28~34 DEG C of stirring reactions 2~4 days, terminating reaction was led to
Filter, dialyse, dry, obtain object；
2）The preparation of PTMC and the polypropylene sorrel of polypropylene glycol modified：Poly- third is added in dry reactor
Under olefin(e) acid-polypropylene glycol graft copolymer, PTMC 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. one kind PTMC according to claim 1 and polypropylene glycol to polypropylene sorrel water resistance and
The method that compliance is improved, it is characterised in that：Step 1）In, the mol ratio of polypropylene glycol monobutyl ether and polyacrylic acid is 15
~25:1.
3. one kind PTMC according to claim 1 and polypropylene glycol to polypropylene sorrel water resistance and
The method that compliance is improved, it is characterised in that：Step 1）In, condensing agent is usedN,N’- dicyclohexylcarbodiimide,N, N’- DIC or 3- ethyls -1-（3- dimethylaminopropyls）The mol ratio of carbodiimide, condensing agent and polyacrylic acid
For 1.07~1.9:1, solvent uses dimethyl sulfoxide (DMSO), and reactant solution concentration is 5~15 g:100 ml.
4. one kind PTMC according to claim 1 and polypropylene glycol to polypropylene sorrel water resistance and
The method that compliance is improved, it is characterised in that：Step 2）In, PTMC list tridecyl ether is in Modified Membrane
In mass percent be 2~3%, solvent uses dimethyl sulfoxide (DMSO), and mixture solution concentration is 25~30 g:100 ml.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710362565.8A CN106977929A (en) | 2017-05-22 | 2017-05-22 | A kind of method being improved with PTMC and polypropylene glycol to polypropylene sorrel water resistance and compliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710362565.8A CN106977929A (en) | 2017-05-22 | 2017-05-22 | A kind of method being improved with PTMC and polypropylene glycol to polypropylene sorrel water resistance and compliance |
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| Publication Number | Publication Date |
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| CN106977929A true CN106977929A (en) | 2017-07-25 |
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| CN201710362565.8A Withdrawn CN106977929A (en) | 2017-05-22 | 2017-05-22 | A kind of method being improved with PTMC and polypropylene glycol to polypropylene sorrel water resistance and compliance |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103819906A (en) * | 2014-03-10 | 2014-05-28 | 山东理工大学 | Method for improving polypeptide membrane flexibility by adopting polypropylene glycol and poly trimethylene carbonate |
| CN104559214A (en) * | 2015-01-06 | 2015-04-29 | 山东理工大学 | Method for improving hydrophily and flexibility of polypeptide membrane by polypropylene glycol and polyacrylic acid |
-
2017
- 2017-05-22 CN CN201710362565.8A patent/CN106977929A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103819906A (en) * | 2014-03-10 | 2014-05-28 | 山东理工大学 | Method for improving polypeptide membrane flexibility by adopting polypropylene glycol and poly trimethylene carbonate |
| CN104559214A (en) * | 2015-01-06 | 2015-04-29 | 山东理工大学 | Method for improving hydrophily and flexibility of polypeptide membrane by polypropylene glycol and polyacrylic acid |
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Application publication date: 20170725 |