CN104448404A - Inulin-based degradable film and preparation method thereof - Google Patents
Inulin-based degradable film and preparation method thereof Download PDFInfo
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- CN104448404A CN104448404A CN201410777467.7A CN201410777467A CN104448404A CN 104448404 A CN104448404 A CN 104448404A CN 201410777467 A CN201410777467 A CN 201410777467A CN 104448404 A CN104448404 A CN 104448404A
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- inulin
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Abstract
The invention relates to an inulin-based degradable film and a preparation method thereof, and belongs to the fields of high polymer materials and processing thereof. The inulin-based degradable film disclosed by the invention is prepared from the following components in parts by weight: 100 parts of inulin, 10-15 parts of seaweed polyphenol, 10-15 parts of glycerinum and 5-8 parts of palygorskite clay. The inulin-based degradable film has the beneficial effects that the palygorskite clay and the inulin have good solubility; a little of seaweed polyphenol is added to an inulin film, so that the strength of a plastic film can be improved under the condition that the amount of glycerinum is lowered; the palygorskite is added to the film, and thus the water retention capacity of the composite material is improved, and the cost is reduced.
Description
Technical field
The present invention relates to a kind of inulin base degradable film and preparation method thereof, belong to macromolecular material and manufacture field thereof.
Technical background
Petroleum-based plastics, since appearance, with its abundant source, appearance attractive in appearance, health, easy to process, stable in properties and be widely used in a lot of occasion, has become human survival, the indispensable basic material of social development and articles for use.But from Analysis of Environmental Problem, a large amount of discarded plastics, because of its non-biodegradable, bring the puzzlement of white pollution to the living environment of the mankind.Because general-purpose plastics generally wants the centuries just can degrade, long-term hazards is caused to soil, affects crop growth, cause crop production reduction; It is lethal that the plastics be scattered can cause animal to eat by mistake.And degradable native biopolymer is inexhaustible renewable resources, various in style, production cost is low, can not produce pollute environment.But the mechanical property of degradable plastics is poor in prior art, need to improve further.
Summary of the invention
For realizing above object, a kind of inulin base degradable film of the present invention, its component and weight part are:
Inulin 100 parts,
Sea grass polyphenol 10-15 part,
Glycerine 10-15 part,
Palygorskite clay 5-8 part.
The preparation method of a kind of inulin base degradable film of the present invention is:
(1) be dissolved in acetic acid by sea grass polyphenol, preparation mass concentration is the sea grass polyphenol solution of 2%;
(2) add inulin, palygorskite clay, glycerine, water, be placed in ultrasonic wave separating apparatus and disperse 30min;
(3) at 50 DEG C, gelatinization is carried out, and carry out mechanical stirring, then be poured in mould, dry 20h at 60 DEG C, take off film, be balanced 24-48h in the environment of 70% again in relative humidity, carry out sulfuration, film-making with thermocompressor and chilling press, finally with the injection moulding on injection moulding machine of conventional Shooting Technique.
Further, the power of described ultrasonic wave separating apparatus is 600W.
Further, described gelatinization time is 20-30min.
The beneficial effect that the present invention produces is,
Sea grass polyphenol and inulin have good intermiscibility, and namely the sea grass polyphenol adding small amount in inulin film when reducing glycerine consumption, can improve the intensity of plastics film.To add polygorskite be in the film water retention property in order to improve matrix material and reduce costs.
Embodiment
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
If no special instructions, the reagent used in the present invention is conventional reagent; If no special instructions, the method used is ordinary method.
Embodiment 1:
A kind of inulin base degradable film, its component and weight part are:
Inulin 100kg,
Sea grass polyphenol 10kg,
Glycerine 10kg,
Palygorskite clay 5kg.
A kind of preparation method of inulin base degradable film is:
(1) be dissolved in acetic acid by sea grass polyphenol, preparation mass concentration is the sea grass polyphenol solution of 2%;
(2) add inulin, palygorskite clay, glycerine, water, being placed in power is that the ultrasonic wave separating apparatus of 600W disperses 30min;
(3) at 50 DEG C, gelatinization 25min is carried out, and carry out mechanical stirring, then be poured in mould, dry 20h at 60 DEG C, take off film, be balanced 36h in the environment of 70% again in relative humidity, carry out sulfuration, film-making with thermocompressor and chilling press, finally with the injection moulding on injection moulding machine of conventional Shooting Technique.
The inulin base degradable film prepared as stated above is measured its mechanical property and is: record tensile strength 17.9MPa, elongation at break 186%.
Embodiment 2:
A kind of inulin base degradable film, its component and weight part are:
Inulin 100kg,
Sea grass polyphenol 15kg,
Glycerine 15kg,
Palygorskite clay 6kg.
A kind of preparation method of inulin base degradable film is:
(1) be dissolved in acetic acid by sea grass polyphenol, preparation mass concentration is the sea grass polyphenol solution of 2%;
(2) add inulin, palygorskite clay, glycerine, water, being placed in power is that the ultrasonic wave separating apparatus of 600W disperses 30min;
(3) at 50 DEG C, gelatinization 20min is carried out, and carry out mechanical stirring, then be poured in mould, dry 20h at 60 DEG C, take off film, be balanced 36h in the environment of 70% again in relative humidity, carry out sulfuration, film-making with thermocompressor and chilling press, finally with the injection moulding on injection moulding machine of conventional Shooting Technique.
The inulin base degradable film prepared as stated above is measured its mechanical property and is: record tensile strength 19.4MPa, elongation at break 202%.
Embodiment 3:
A kind of inulin base degradable film, its component and weight part are:
Inulin 100kg,
Sea grass polyphenol 13kg,
Glycerine 13kg,
Palygorskite clay 8kg.
A kind of preparation method of inulin base degradable film is:
(1) be dissolved in acetic acid by sea grass polyphenol, preparation mass concentration is the sea grass polyphenol solution of 2%;
(2) add inulin, palygorskite clay, glycerine, water, being placed in power is that the ultrasonic wave separating apparatus of 600W disperses 30min;
(3) at 50 DEG C, gelatinization 30min is carried out, and carry out mechanical stirring, then be poured in mould, dry 20h at 60 DEG C, take off film, be balanced 48h in the environment of 70% again in relative humidity, carry out sulfuration, film-making with thermocompressor and chilling press, finally with the injection moulding on injection moulding machine of conventional Shooting Technique.
The inulin base degradable film prepared as stated above is measured its mechanical property and is: record tensile strength 18.6MPa, elongation at break 197%.
Claims (4)
1. an inulin base degradable film, is characterized in that: its component and weight part are:
Inulin 100 parts,
Sea grass polyphenol 10-15 part,
Glycerine 10-15 part,
Palygorskite clay 5-8 part.
2. a preparation method for inulin base degradable film, is characterized in that: comprise the steps:
(1) be dissolved in acetic acid by sea grass polyphenol, preparation mass concentration is the sea grass polyphenol solution of 2%;
(2) add inulin, palygorskite clay, glycerine, water, be placed in ultrasonic wave separating apparatus and disperse 30min;
(3) at 50 DEG C, gelatinization is carried out, and carry out mechanical stirring, then be poured in mould, dry 20h at 60 DEG C, take off film, be balanced 24-48h in the environment of 70% again in relative humidity, carry out sulfuration, film-making with thermocompressor and chilling press, finally with the injection moulding on injection moulding machine of conventional Shooting Technique.
3. the preparation method of a kind of inulin base degradable film according to claim 2, is characterized in that: the power of described ultrasonic wave separating apparatus is 600W.
4. the preparation method of a kind of inulin base degradable film according to claim 2, is characterized in that: described gelatinization time is 20-30min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410777467.7A CN104448404A (en) | 2014-12-16 | 2014-12-16 | Inulin-based degradable film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410777467.7A CN104448404A (en) | 2014-12-16 | 2014-12-16 | Inulin-based degradable film and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104448404A true CN104448404A (en) | 2015-03-25 |
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| CN201410777467.7A Pending CN104448404A (en) | 2014-12-16 | 2014-12-16 | Inulin-based degradable film and preparation method thereof |
Country Status (1)
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| CN (1) | CN104448404A (en) |
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2014
- 2014-12-16 CN CN201410777467.7A patent/CN104448404A/en active Pending
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Application publication date: 20150325 |