JPH08311243A - Biodegradable foamable composition containing starch polymer - Google Patents
Biodegradable foamable composition containing starch polymerInfo
- Publication number
- JPH08311243A JPH08311243A JP14129195A JP14129195A JPH08311243A JP H08311243 A JPH08311243 A JP H08311243A JP 14129195 A JP14129195 A JP 14129195A JP 14129195 A JP14129195 A JP 14129195A JP H08311243 A JPH08311243 A JP H08311243A
- Authority
- JP
- Japan
- Prior art keywords
- starch
- compsn
- foamable composition
- biodegradable
- metal ions
- 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.)
- Pending
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Biological Depolymerization Polymers (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、デンプン系高分子を含
む生分解性発泡性組成物に関するものである。TECHNICAL FIELD The present invention relates to a biodegradable foamable composition containing a starch polymer.
【０００２】[0002]
【従来の技術】従来のデンプン系発泡性組成物は、生分
解性を有するという利点はあるものの、スチロール系発
泡性組成物と比較し、耐水性、抗菌性、防カビ性、耐衝
撃性においても劣っている。従って、このような欠点の
ないデンプン系発泡性組成物の開発が強く要望されてい
る。2. Description of the Related Art Conventional starch-based foamable compositions have the advantage of having biodegradability, but have a better water resistance, antibacterial property, mold resistance and impact resistance than styrene-based foamable compositions. Is also inferior. Therefore, there is a strong demand for the development of a starch-based foamable composition that does not have such drawbacks.
【０００３】[0003]
【発明が解決しようとする課題】本発明は、耐水性、抗
菌性、防カビ性、耐衝撃性の点において改善されたデン
プン系発泡性組成物を提供することをその課題とする。SUMMARY OF THE INVENTION An object of the present invention is to provide a starch-based foamable composition which is improved in water resistance, antibacterial property, mold resistance and impact resistance.
【０００４】[0004]
【課題を解決するための手段】本発明によれば、デンプ
ン系高分子、植物性繊維、金属イオン、発泡剤及び脂肪
族ポリエステルからなる生分解性発泡性組成物が提供さ
れる。According to the present invention, there is provided a biodegradable foamable composition comprising a starch-based polymer, vegetable fibers, metal ions, a foaming agent and an aliphatic polyester.
【０００５】本発明で用いるデンプン系高分子として
は、トウモロコシや、小麦、米、ジャガイモ、さつまい
も等を原料とする各種のデンプンが用いられる。植物繊
維としては、セルロース繊維、バナナ繊維、木綿繊維等
が挙げられる。本発明で持ちいる金属イオンとしては、
ナトリウムイオン、カリウムイオン、カルシウムイオ
ン、マグネシウムイオン、銅イオン等が挙げられる。こ
れらの金属イオンは、組成物に対して、水溶液の形で供
給される。脂肪族ポリエステルとしては、ポリエチレン
アジペート、ポリエチレンスベレート、ポリテトラメチ
レンサクシネート、ポリテトラメチレンアジペート、ポ
リプロピオラクトン、ポリカプロラクトン、ポリヒドロ
キシブチレート等が挙げられる。発泡剤としては、ペン
タン、ヘキサン、ヘプタン、オクタン等の炭化水素や、
そのマイクロカプセル化物、炭酸ナトリウムや炭酸水素
ナトリウム等の炭酸塩系発泡剤、アゾジカルボンアミド
等の化学発泡剤等が挙げられる。As the starch polymer used in the present invention, various starches made from corn, wheat, rice, potato, sweet potato and the like are used. Examples of the vegetable fiber include cellulose fiber, banana fiber, cotton fiber and the like. The metal ions possessed by the present invention include:
Examples thereof include sodium ion, potassium ion, calcium ion, magnesium ion, copper ion and the like. These metal ions are supplied to the composition in the form of an aqueous solution. Examples of the aliphatic polyester include polyethylene adipate, polyethylene suberate, polytetramethylene succinate, polytetramethylene adipate, polypropiolactone, polycaprolactone, and polyhydroxybutyrate. As the foaming agent, hydrocarbons such as pentane, hexane, heptane and octane,
Examples thereof include microcapsules, carbonate-based foaming agents such as sodium carbonate and sodium hydrogen carbonate, and chemical foaming agents such as azodicarbonamide.
【０００６】本発明の発泡性組成物は、前記した各成分
を、成形機において混練させるとともに、そのダイスか
ら押出し、ペレット化することによって製造することが
できる。このようにして得られたペレット状の発泡性組
成物は、これを金型や成形枠に入れ、加熱することによ
って、所要形状の発泡成形体とすることができる。The foamable composition of the present invention can be produced by kneading the above-mentioned components in a molding machine, extruding from the die and pelletizing. The pellet-shaped foamable composition thus obtained can be formed into a foam-molded article having a desired shape by placing it in a mold or a molding frame and heating it.
【０００７】[0007]
【発明の効果】本発明の発泡性組成物は、カップ、トレ
イ、ボックス等の各種の発泡成形体用材料として用いる
ことができる。そして、本発明の組成物により得られる
発泡成形物体は、デンプンを含むことから生分解性に富
むものであり、その上、金属イオンや植物性繊維、脂肪
族ポリエステルを含むことから、抗菌性、防カビ性、耐
水性、耐衝撃性においてすぐれたものである。The foamable composition of the present invention can be used as a material for various foamed molded articles such as cups, trays and boxes. Then, the foamed molded article obtained by the composition of the present invention is rich in biodegradability because it contains starch, and further, since it contains metal ions, vegetable fibers, and aliphatic polyester, it has antibacterial properties, It has excellent mildew resistance, water resistance, and impact resistance.
Claims (1)
オン、発泡剤及び脂肪族ポリエステルからなる生分解性
発泡性組成物。1. A biodegradable foamable composition comprising a starch-based polymer, vegetable fibers, metal ions, a foaming agent and an aliphatic polyester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14129195A JPH08311243A (en) | 1995-05-16 | 1995-05-16 | Biodegradable foamable composition containing starch polymer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14129195A JPH08311243A (en) | 1995-05-16 | 1995-05-16 | Biodegradable foamable composition containing starch polymer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08311243A true JPH08311243A (en) | 1996-11-26 |
Family
ID=15288475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14129195A Pending JPH08311243A (en) | 1995-05-16 | 1995-05-16 | Biodegradable foamable composition containing starch polymer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08311243A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6184272B1 (en) | 1997-02-12 | 2001-02-06 | Diamlerchrysler Ag | Fiber-reinforced molded plastic part and process for its manufacture |
| WO2012157973A3 (en) * | 2011-05-17 | 2013-01-24 | 율촌화학 주식회사 | Composition for a starch container, starch container using same, and method for manufacturing the starch container |
| CN102993466A (en) * | 2012-11-30 | 2013-03-27 | 杨之冬 | Method for manufacturing environment-friendly fast food box |
| CN114957935A (en) * | 2022-07-04 | 2022-08-30 | 杭州益宝材料科技有限公司 | Polybutylene succinate-polylactic acid composite material and preparation method and application thereof |
-
1995
- 1995-05-16 JP JP14129195A patent/JPH08311243A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6184272B1 (en) | 1997-02-12 | 2001-02-06 | Diamlerchrysler Ag | Fiber-reinforced molded plastic part and process for its manufacture |
| WO2012157973A3 (en) * | 2011-05-17 | 2013-01-24 | 율촌화학 주식회사 | Composition for a starch container, starch container using same, and method for manufacturing the starch container |
| EP2711388A2 (en) * | 2011-05-17 | 2014-03-26 | Youl Chon Chemical Co. Ltd. | Composition for a starch container, starch container using same, and method for manufacturing the starch container |
| EP2711388A4 (en) * | 2011-05-17 | 2014-11-05 | Youl Chon Chemical Co Ltd | Composition for a starch container, starch container using same, and method for manufacturing the starch container |
| US9410032B2 (en) | 2011-05-17 | 2016-08-09 | Youl Chon Chemical Co., Ltd. | Composition for a starch container, starch container using same, and method for manufacturing the starch container |
| CN102993466A (en) * | 2012-11-30 | 2013-03-27 | 杨之冬 | Method for manufacturing environment-friendly fast food box |
| CN114957935A (en) * | 2022-07-04 | 2022-08-30 | 杭州益宝材料科技有限公司 | Polybutylene succinate-polylactic acid composite material and preparation method and application thereof |
| CN114957935B (en) * | 2022-07-04 | 2023-08-22 | 杭州益宝材料科技有限公司 | Polybutylene succinate-polylactic acid composite material and preparation method and application thereof |
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