CN106977949A - A kind of method that polycaprolactone is improved with PPDO to polypropylene sorrel water resistance and compliance - Google Patents

A kind of method that polycaprolactone is improved with PPDO to polypropylene sorrel water resistance and compliance Download PDF

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Publication number
CN106977949A
CN106977949A CN201710376574.2A CN201710376574A CN106977949A CN 106977949 A CN106977949 A CN 106977949A CN 201710376574 A CN201710376574 A CN 201710376574A CN 106977949 A CN106977949 A CN 106977949A
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ppdo
polycaprolactone
poly
graft copolymer
improved
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朱国全
杜庆洋
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Shandong University of Technology
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Shandong University of Technology
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L87/00Compositions of unspecified macromolecular compounds, obtained otherwise than by polymerisation reactions only involving unsaturated carbon-to-carbon bonds
    • C08L87/005Block or graft polymers not provided for in groups C08L1/00 - C08L85/04
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G81/00Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G81/00Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
    • C08G81/02Macromolecular 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
    • C08G81/024Block or graft polymers containing sequences of polymers of C08C or C08F and of polymers of C08G
    • C08G81/027Block or graft polymers containing sequences of polymers of C08C or C08F and of polymers of C08G containing polyester or polycarbonate sequences
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2387/00Characterised by the use of unspecified macromolecular compounds, obtained otherwise than by polymerisation reactions only involving unsaturated carbon-to-carbon bonds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2467/00Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2467/04Polyesters derived from hydroxy carboxylic acids, e.g. lactones
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/16Applications used for films

Abstract

The present invention discloses a kind of method that polycaprolactone is improved with PPDO to polypropylene sorrel water resistance and compliance, using following steps:1)Hydroxy-end capped PPDO monododecyl ether, solvent, condensing agent and polyacrylic acid is added in dry reactor, reacts 2~4 days, obtains polyacrylic acid PPDO graft copolymer;2)Graft copolymer, amino-terminated polycaprolactone list tridecyl ether, solvent and condensing agent are added in dry reactor, reacts 2~4 days, obtains polyacrylic acid polycaprolactone PPDO dual graft copolymer;3)Dual graft copolymer, polycaprolactone list tridecyl ether and solvent are added in dry reactor, after mixing 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

A kind of polycaprolactone and PPDO are to polypropylene sorrel water resistance and submissive The method that property is improved
Technical field
The present invention relates to a kind of method 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.Polycaprolactone and PPDO are can with excellent biocompatibility and biology The biomaterial of degradability, with good hydrophobicity and compliance.PPDO segment is first grafted to polypropylene Poly acrylic acid-poly Lanthanum Isopropoxide graft copolymer is obtained on acid molecule chain, then polycaprolactone segment is grafted to polypropylene Poly acrylic acid-poly caprolactone-poly- to dioxy ring is formed on polyacrylic acid segment in acid-PPDO graft copolymer Hexanone dual graft copolymer, then adds poly acrylic acid-poly caprolactone-PPDO pair by polycaprolactone segment again and connects Graft copolymer formation blend, is made modified polypropene sorrel, so as to drastically increase the water resistance of polypropylene sorrel and soft It is pliable.
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 polycaprolactone is improved with PPDO to polypropylene sorrel water resistance and compliance, it is special Levy and be:The molecular weight of polyacrylic acid segment is 83000~93000, the molecular weight of PPDO segment in Modified Membrane For 2500~2700, the molecular weight of polycaprolactone segment is 2300~2400;Its method of modifying uses following steps:
1)The synthesis of poly acrylic acid-poly Lanthanum Isopropoxide graft copolymer:Hydroxy-end capped gather is added in dry reactor Under Lanthanum Isopropoxide monododecyl ether, solvent, condensing agent and polyacrylic acid, inert atmosphere, in 28~34 DEG C of stirring reactions 2 ~4 days, terminating reaction by filtering, dialysis, was dried, obtains object;
2)The synthesis of poly acrylic acid-poly caprolactone-PPDO dual graft copolymer:Added in dry reactor poly- Acrylic acid-PPDO graft copolymer, amino-terminated polycaprolactone list tridecyl ether, solvent and condensing agent, Under inert atmosphere, in 27~32 DEG C of stirring reactions 2~4 days, terminating reaction by filtering, dialysis, was dried, obtains object;
3)The preparation for the polypropylene sorrel that polycaprolactone is improved with PPDO:Polypropylene is added in dry reactor Under acid-polycaprolactone-PPDO dual graft copolymer, polycaprolactone list tridecyl ether and solvent, inert atmosphere, After 46~52 DEG C of stirrings are mixed 50~60 minutes, with the tape casting film forming and drying, object is obtained.
A kind of described polycaprolactone is improved with PPDO to polypropylene sorrel water resistance and compliance Method, step 1)In, the mol ratio of PPDO monododecyl ether and polyacrylic acid is 15~25:1.
A kind of described polycaprolactone is improved with PPDO to polypropylene sorrel water resistance and compliance Method, step 1)In, condensing agent is usedN,N’- dicyclohexylcarbodiimide,N,N’- DIC or 3- second Base -1-(3- dimethylaminopropyls)The mol ratio of carbodiimide, condensing agent and polyacrylic acid is 1.06~1.9:1, solvent uses two Methyl sulfoxide, reactant solution concentration is 5~15 g:100 ml.
A kind of described polycaprolactone is improved with PPDO to polypropylene sorrel water resistance and compliance Method, step 2)In, polycaprolactone list tridecyl ether and in poly acrylic acid-poly Lanthanum Isopropoxide graft copolymer poly- third The mol ratio of olefin(e) acid segment is 15~25:1.
A kind of described polycaprolactone is improved with PPDO to polypropylene sorrel water resistance and compliance Method, step 2)In, condensing agent is usedN,N’- dicyclohexylcarbodiimide,N,N’- DIC or 3- second Base -1-(3- dimethylaminopropyls)Carbodiimide, condensing agent and polypropylene in poly acrylic acid-poly Lanthanum Isopropoxide graft copolymer The mol ratio of sour segment is 1.06~1.9:1, solvent uses dimethyl sulfoxide (DMSO), and reactant solution concentration is 5~15 g:100 ml。
A kind of described polycaprolactone is improved with PPDO to polypropylene sorrel water resistance and compliance Method, step 3)In, mass percent of the polycaprolactone list tridecyl ether in Modified Membrane is 2~3%, and solvent uses two Methyl sulfoxide, mixture solution concentration is 25~30 g:100 ml.
Compared with prior art, its advantage is the present invention:
1st, a kind of described polycaprolactone and PPDO are improved to polypropylene sorrel water resistance and compliance Method, using esterification, amidation process and blending three kinds of means, it is simple to operate, be easy to grasp;
2nd, described polyacrylic acid improvement film water resistance and compliance are enhanced.
Embodiment
Embodiment 1
1)The preparation of poly acrylic acid-poly Lanthanum Isopropoxide graft copolymer
15.9 grams of polyacrylic acid are added in dry reactor(Molecular weight is 83000), 9.1 grams it is hydroxy-end capped poly- to dioxy ring Hexanone monododecyl ether(Molecular weight is 2500), 250 ml dimethyl sulfoxide (DMSO)s are added, 0.049 gram is addedN,N’- two hexamethylenes Under base carbodiimide, inert atmosphere, in 28 DEG C of stirring reactions 2 days, terminating reaction by filtering, dialysis, was dried, obtains target Thing;
2)The preparation of poly acrylic acid-poly caprolactone-PPDO dual graft copolymer
Dry reactor add 12 grams of poly acrylic acid-poly Lanthanum Isopropoxide graft copolymers, 6.6 grams amino-terminated gather oneself Lactone list tridecyl ether(Molecular weight is 2300), 186 ml dimethyl sulfoxide (DMSO)s are added, 0.035 gram is addedN,N’- two hexamethylenes Under base carbodiimide, inert atmosphere, in 27 DEG C of stirring reactions 2 days, terminating reaction by filtering, dialysis, was dried, obtains target Thing;
3)The preparation for the polypropylene sorrel that polycaprolactone is improved with PPDO
10 grams of poly acrylic acid-poly caprolactone-PPDO dual graft copolymers and 37 ml are added in dry reactor Dimethyl sulfoxide solvent, it is another to add the polycaprolactone list tridecyl ether for accounting for Modified Membrane gross weight 2%(Molecular weight is 2300), it is lazy Property atmosphere under, in 46 DEG C stirring mixing 50 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 11.7 ° and 9.2%.
Embodiment 2
1)The preparation of poly acrylic acid-poly Lanthanum Isopropoxide graft copolymer
15.1 grams of polyacrylic acid are added in dry reactor(Molecular weight is 87000), 8.5 grams it is hydroxy-end capped poly- to dioxy ring Hexanone monododecyl ether(Molecular weight is 2600), 235 ml dimethyl sulfoxide (DMSO)s are added, 0.028 gram is addedN,N’- diisopropyl Under base carbodiimide, inert atmosphere, in 30 DEG C of stirring reactions 3 days, terminating reaction by filtering, dialysis, was dried, obtains target Thing;
2)The preparation of poly acrylic acid-poly caprolactone-PPDO dual graft copolymer
Dry reactor add 12.1 grams of poly acrylic acid-poly Lanthanum Isopropoxide graft copolymers, 6.4 grams it is amino-terminated poly- Caprolactone list tridecyl ether(Molecular weight is 2400), 185 ml dimethyl sulfoxide (DMSO)s are added, 0.021 gram is addedN,N’- two is different Under propyl group carbodiimide, inert atmosphere, in 29 DEG C of stirring reactions 3 days, terminating reaction by filtering, dialysis, was dried, obtains mesh Mark thing;
3)The preparation for the polypropylene sorrel that polycaprolactone is improved with PPDO
9.9 grams of poly acrylic acid-poly caprolactone-PPDO dual graft copolymers and 36 are added in dry reactor Ml dimethyl sulfoxide solvents, it is another to add the polycaprolactone list tridecyl ether for accounting for Modified Membrane gross weight 3%(Molecular weight is 2400), Under inert atmosphere, mixed 55 minutes in 48 DEG C of stirrings, use the tape casting film forming, target is dried to obtain in 50 DEG C of vacuum drying chambers Thing.
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 10.5%.
Embodiment 3
1)The preparation of poly acrylic acid-poly Lanthanum Isopropoxide graft copolymer
15.6 grams of polyacrylic acid are added in dry reactor(Molecular weight is 93000), 8.3 grams it is hydroxy-end capped poly- to dioxy ring Hexanone monododecyl ether(Molecular weight is 2700), 239 ml dimethyl sulfoxide (DMSO)s are added, 0.041 gram of 3- ethyls -1- is added(3- Dimethylaminopropyl)Under carbodiimide, inert atmosphere, in 34 DEG C of stirring reactions 4 days, terminating reaction by filtering, dialysis, was dried, Obtain object;
2)The preparation of poly acrylic acid-poly caprolactone-PPDO dual graft copolymer
Dry reactor add 11.5 grams of poly acrylic acid-poly Lanthanum Isopropoxide graft copolymers, 5.5 grams it is amino-terminated poly- Caprolactone list tridecyl ether(Molecular weight is 2400), 173 ml dimethyl sulfoxide (DMSO)s are added, 0.028 gram of 3- ethyls -1- is added (3- dimethylaminopropyls)Under carbodiimide, inert atmosphere, in 32 DEG C of stirring reactions 4 days, terminating reaction, by filtering, dialysis, dry It is dry, obtain object;
3)The preparation for the polypropylene sorrel that polycaprolactone is improved with PPDO
9.5 grams of poly acrylic acid-poly caprolactone-PPDO dual graft copolymers and 35 are added in dry reactor Ml dimethyl sulfoxide solvents, it is another to add the polycaprolactone list tridecyl ether for accounting for Modified Membrane gross weight 2%(Molecular weight is 2400), Under inert atmosphere, mixed 60 minutes in 52 DEG C of stirrings, use the tape casting film forming, target is dried to obtain in 50 DEG C of vacuum drying chambers Thing.
After tested:The surface contact angle and its elongation at break of object and water of the present invention respectively than improving before modified 13.5 ° and 11.4%.

Claims (6)

1. a kind of method that polycaprolactone is improved with PPDO to polypropylene sorrel water resistance and compliance, its It is characterised by:The molecular weight of polyacrylic acid segment is 83000~93000, the molecule of PPDO segment in Modified Membrane Measure as 2500~2700, the molecular weight of polycaprolactone segment is 2300~2400;Its modification method uses following steps:
1)The synthesis of poly acrylic acid-poly Lanthanum Isopropoxide graft copolymer:Hydroxy-end capped gather is added in dry reactor Under Lanthanum Isopropoxide monododecyl ether, solvent, condensing agent and polyacrylic acid, inert atmosphere, in 28~34 DEG C of stirring reactions 2 ~4 days, terminating reaction by filtering, dialysis, was dried, obtains object;
2)The synthesis of poly acrylic acid-poly caprolactone-PPDO dual graft copolymer:Added in dry reactor poly- Acrylic acid-PPDO graft copolymer, amino-terminated polycaprolactone list tridecyl ether, solvent and condensing agent, Under inert atmosphere, in 27~32 DEG C of stirring reactions 2~4 days, terminating reaction by filtering, dialysis, was dried, obtains object;
3)The preparation for the polypropylene sorrel that polycaprolactone is improved with PPDO:Polypropylene is added in dry reactor Under acid-polycaprolactone-PPDO dual graft copolymer, polycaprolactone list tridecyl ether and solvent, inert atmosphere, After 46~52 DEG C of stirrings are mixed 50~60 minutes, with the tape casting film forming and drying, object is obtained.
2. a kind of polycaprolactone according to claim 1 and PPDO are to polypropylene sorrel water resistance and submissive The method that property is improved, it is characterised in that:Step 1)In, PPDO monododecyl ether and polyacrylic acid rub You are than being 15~25:1.
3. a kind of polycaprolactone according to claim 1 and PPDO are to polypropylene sorrel water resistance and soft The pliable method 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 is 1.06~1.9:1, solvent uses dimethyl sulfoxide (DMSO), and reactant solution concentration is 5~15 g:100 ml.
4. a kind of polycaprolactone according to claim 1 and PPDO are to polypropylene sorrel water resistance and submissive The method that property is improved, it is characterised in that:Step 2)In, polycaprolactone list tridecyl ether is with poly acrylic acid-poly to dioxy The mol ratio of polyacrylic acid segment is 15~25 in cyclohexanone graft copolymer:1.
5. a kind of polycaprolactone according to claim 1 and PPDO are to polypropylene sorrel water resistance and soft The pliable method improved, it is characterised in that:Step 2)In, condensing agent is usedN,N’- dicyclohexylcarbodiimide,N,N’- DIC or 3- ethyls -1-(3- dimethylaminopropyls)Carbodiimide, condensing agent is with poly acrylic acid-poly to dioxy ring The mol ratio of polyacrylic acid segment is 1.06~1.9 in hexanone graft copolymer:1, solvent uses dimethyl sulfoxide (DMSO), and reactant is molten Liquid concentration is 5~15 g:100 ml.
6. a kind of polycaprolactone according to claim 1 and PPDO are to polypropylene sorrel water resistance and submissive The method that property is improved, it is characterised in that:Step 3)In, quality percentage of the polycaprolactone list tridecyl ether in Modified Membrane Than for 2~3%, solvent uses dimethyl sulfoxide (DMSO), mixture solution concentration is 25~30 g:100 ml.
CN201710376574.2A 2017-05-25 2017-05-25 A kind of method that polycaprolactone is improved with PPDO to polypropylene sorrel water resistance and compliance Pending CN106977949A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101486806A (en) * 2009-02-17 2009-07-22 四川大学 Natural polymer / degradable polymer composite material and preparation thereof
CN105542208A (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 polycaprolactone and poly(p-dioxanone)
CN105585852A (en) * 2016-03-16 2016-05-18 山东理工大学 Method for improving water resistance and flexibility of polyvinyl alcohol film through polycaprolactone and poly(p-dioxanone)

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101486806A (en) * 2009-02-17 2009-07-22 四川大学 Natural polymer / degradable polymer composite material and preparation thereof
CN105542208A (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 polycaprolactone and poly(p-dioxanone)
CN105585852A (en) * 2016-03-16 2016-05-18 山东理工大学 Method for improving water resistance and flexibility of polyvinyl alcohol film through polycaprolactone and poly(p-dioxanone)

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Application publication date: 20170725