CN106977938A - A kind of method that PTMC improves polypropylene sorrel water resistance and compliance with polypropylene glycol - Google Patents
A kind of method that PTMC improves polypropylene sorrel water resistance and compliance with polypropylene glycol Download PDFInfo
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- CN106977938A CN106977938A CN201710362909.5A CN201710362909A CN106977938A CN 106977938 A CN106977938 A CN 106977938A CN 201710362909 A CN201710362909 A CN 201710362909A CN 106977938 A CN106977938 A CN 106977938A
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- ptmc
- polypropylene glycol
- 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
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- 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
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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
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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
- 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
- C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
- C08J2471/02—Polyalkylene oxides
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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
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Abstract
The present invention discloses a kind of method that PTMC improves polypropylene sorrel water resistance and compliance with polypropylene glycol, using following steps：1）The synthesis of polyacrylic acid PTMC graft copolymer：Add hydroxy-end capped PTMC list tridecyl 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 PTMC graft copolymer, polypropylene glycol monobutyl 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.First by PTMC chain
Section introduces polyacrylic acid segment formation poly acrylic acid-poly trimethylene carbonate graft copolymer, then again by polypropylene glycol chain
Section adds poly acrylic acid-poly trimethylene carbonate graft copolymer formation blend, modified polypropene sorrel is made, so that pole
The earth improves 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 PTMC improves polypropylene sorrel water resistance and compliance with polypropylene glycol, its feature exists
In：The molecular weight of polyacrylic acid segment is 82000~89000 in Modified Membrane, and the molecular weight of PTMC segment is
2300~2500, the molecular weight of polypropylene glycol segment is 5400~6100；Its method of modifying uses following steps：
1）The synthesis of poly acrylic acid-poly trimethylene carbonate graft copolymer：Added in dry reactor hydroxy-end capped
Under PTMC list tridecyl ether, solvent, condensing agent and polyacrylic acid, inert atmosphere, in 28~33 DEG C of stirrings
Reaction 2~4 days, terminating reaction by filtering, dialysis, is dried, obtains 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-PTMC graft copolymer, polypropylene glycol monobutyl ether and solvent, inert atmosphere, stirred in 46~52 DEG C
After mixing mixing 50~60 minutes, with the tape casting film forming and drying, object is obtained.
A kind of described PTMC improves the side of polypropylene sorrel water resistance and compliance with polypropylene glycol
Method, step 1）In, the mol ratio of PTMC list tridecyl ether and polyacrylic acid is 15~25:1.
A kind of described PTMC improves the side of polypropylene sorrel water resistance and compliance with polypropylene glycol
Method, 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 is 1.06~1.9:1, solvent is sub- using dimethyl
Sulfone, reactant solution concentration is 5~15 g:100 ml.
A kind of described PTMC improves the side of polypropylene sorrel water resistance and compliance with polypropylene glycol
Method, step 2）In, mass percent of the polypropylene glycol monobutyl ether in Modified Membrane is 2~4%, and solvent uses dimethyl sulfoxide (DMSO), is mixed
Polymer solution concentration is 25~30 g:100 ml.
Compared with prior art, its advantage is the present invention：
1st, the method that a kind of described PTMC and polypropylene glycol improve polypropylene sorrel water resistance and compliance,
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 trimethylene carbonate graft copolymer
19 grams of polyacrylic acid are added in dry reactor（Molecular weight is 82000）With 9.8 grams of hydroxy-end capped polytrimethylenes
Carbonic ester list tridecyl ether（Molecular weight is 2300）, 284 ml dimethyl sulfoxide (DMSO)s are added, 0.062 gram is addedN,N’- two rings
Under hexyl carbodiimide, inert atmosphere, in 28 DEG C of stirring reactions 2 days, terminating reaction by filtering, dialysis, was dried, obtains mesh
Mark thing；
2）The preparation of PTMC and the polypropylene sorrel of polypropylene glycol modified
10 grams of poly acrylic acid-poly trimethylene carbonate graft copolymers are added in dry reactor and 37 ml dimethyl are sub-
Sulfoxide solvent, it is another to add the polypropylene glycol monobutyl ether for accounting for Modified Membrane gross weight 2%（Molecular weight is 5400）, under inert atmosphere, in 46 DEG C
Stirring mixing 50 minutes, uses 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
11.7 ° and 9.2%.
Embodiment 2
1）The preparation of poly acrylic acid-poly trimethylene carbonate graft copolymer
21 grams of polyacrylic acid are added in dry reactor（Molecular weight is 85000）With 10.9 grams of hydroxy-end capped polytrimethylenes
Carbonic ester list tridecyl ether（Molecular weight is 2400）, 315 ml dimethyl sulfoxide (DMSO)s are added, 0.039 gram is addedN,N’- two is different
Under propyl group carbodiimide, inert atmosphere, in 30 DEG C of stirring reactions 3 days, terminating reaction by filtering, dialysis, was dried, obtains mesh
Mark thing；
2）The preparation of PTMC and the polypropylene sorrel of polypropylene glycol modified
9.9 grams of poly acrylic acid-poly trimethylene carbonate graft copolymers and 36.5 ml dimethyl are added in dry reactor
Sulfoxide solvent, it is another to add the polypropylene glycol monobutyl ether for accounting for Modified Membrane gross weight 3%（Molecular weight is 5700）, under inert atmosphere, in 48
DEG C stirring mixing 55 minutes, use the tape casting film forming, object be 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
12.3 ° and 9.7%.
Embodiment 3
1）The preparation of poly acrylic acid-poly trimethylene carbonate graft copolymer
21.3 grams of polyacrylic acid are added in dry reactor（Molecular weight is 89000）With 11.1 grams of hydroxy-end capped poly- three methylenes
Base carbonic ester list tridecyl ether（Molecular weight is 2500）, add 321 ml dimethyl sulfoxide (DMSO)s, add 0.058 gram of 3- ethyl-
1-（3- dimethylaminopropyls）Under carbodiimide, inert atmosphere, in 33 DEG C of stirring reactions 4 days, terminating reaction, by filtering, dialysis,
Dry, obtain object；
2）The preparation of PTMC and the polypropylene sorrel of polypropylene glycol modified
9.6 grams of poly acrylic acid-poly trimethylene carbonate graft copolymers are added in dry reactor and 35 ml dimethyl are sub-
Sulfoxide solvent, it is another to add the polypropylene glycol monobutyl ether for accounting for Modified Membrane gross weight 4%（Molecular weight is 6100）, under inert atmosphere, in 52 DEG C
Stirring mixing 60 minutes, uses 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%.
Claims (4)
1. a kind of PTMC improves the method for polypropylene sorrel water resistance and compliance, its feature with polypropylene glycol
It is：The molecular weight of polyacrylic acid segment is 82000~89000, the molecular weight of PTMC segment in Modified Membrane
For 2300~2500, the molecular weight of polypropylene glycol segment is 5400~6100；Its method of modifying uses following steps：
1）The synthesis of poly acrylic acid-poly trimethylene carbonate graft copolymer：Added in dry reactor hydroxy-end capped
Under PTMC list tridecyl ether, solvent, condensing agent and polyacrylic acid, inert atmosphere, in 28~33 DEG C of stirrings
Reaction 2~4 days, terminating reaction by filtering, dialysis, is dried, obtains 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-PTMC graft copolymer, polypropylene glycol monobutyl ether and solvent, inert atmosphere, stirred in 46~52 DEG C
After mixing mixing 50~60 minutes, with the tape casting film forming and drying, object is obtained.
2. a kind of PTMC according to claim 1 and polypropylene glycol improve polypropylene sorrel water resistance and
The method of compliance, it is characterised in that：Step 1）In, mole of PTMC list tridecyl ether and polyacrylic acid
Than for 15~25:1.
3. a kind of PTMC according to claim 1 and polypropylene glycol improve polypropylene sorrel water resistance and
The method of compliance, it is characterised in that：Step 1）In, condensing agent is usedN,N’- dicyclohexylcarbodiimide,N,N’- diisopropyl
Base carbodiimide or 3- ethyls -1-（3- dimethylaminopropyls）The mol ratio of carbodiimide, condensing agent and polyacrylic acid be 1.06~
1.9:1, solvent uses dimethyl sulfoxide (DMSO), and reactant solution concentration is 5~15 g:100 ml.
4. a kind of PTMC according to claim 1 and polypropylene glycol improve polypropylene sorrel water resistance and
The method of compliance, it is characterised in that：Step 2）In, mass percent of the polypropylene glycol monobutyl ether in Modified Membrane is 2~4%,
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 |
|---|---|---|---|
| CN201710362909.5A CN106977938A (en) | 2017-05-22 | 2017-05-22 | A kind of method that PTMC improves polypropylene sorrel water resistance and compliance with polypropylene glycol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710362909.5A CN106977938A (en) | 2017-05-22 | 2017-05-22 | A kind of method that PTMC improves polypropylene sorrel water resistance and compliance with polypropylene glycol |
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| Publication Number | Publication Date |
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| CN106977938A true CN106977938A (en) | 2017-07-25 |
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| CN201710362909.5A Withdrawn CN106977938A (en) | 2017-05-22 | 2017-05-22 | A kind of method that PTMC improves polypropylene sorrel water resistance and compliance with polypropylene glycol |
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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 |
| CN105542483A (en) * | 2016-03-16 | 2016-05-04 | 山东理工大学 | Method for modifying water resistance and flexibility of polyvinyl alcohol membrane through poly(trimethylene carbonate) and poly(p-dioxanone) |
-
2017
- 2017-05-22 CN CN201710362909.5A patent/CN106977938A/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 |
| CN105542483A (en) * | 2016-03-16 | 2016-05-04 | 山东理工大学 | Method for modifying water resistance and flexibility of polyvinyl alcohol membrane through poly(trimethylene carbonate) and poly(p-dioxanone) |
Non-Patent Citations (1)
| Title |
|---|
| 蔡邦肖等: "高分离性能聚丙烯酸膜制备工艺的初步研究", 《第一届全国化学工程与生物化工年会论文摘要集（上）》 * |
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