JP2001294709A - Intermediate material for molded article - Google Patents
Intermediate material for molded articleInfo
- Publication number
- JP2001294709A JP2001294709A JP2000110904A JP2000110904A JP2001294709A JP 2001294709 A JP2001294709 A JP 2001294709A JP 2000110904 A JP2000110904 A JP 2000110904A JP 2000110904 A JP2000110904 A JP 2000110904A JP 2001294709 A JP2001294709 A JP 2001294709A
- Authority
- JP
- Japan
- Prior art keywords
- intermediate material
- molded article
- dough
- molded
- starch
- 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
- 239000000463 material Substances 0.000 title claims abstract description 41
- 229920002472 Starch Polymers 0.000 claims abstract description 18
- 239000008107 starch Substances 0.000 claims abstract description 18
- 235000019698 starch Nutrition 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000000654 additive Substances 0.000 claims description 5
- 230000000996 additive effect Effects 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 238000000465 moulding Methods 0.000 description 6
- 239000000843 powder Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- 239000006260 foam Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229920002558 Curdlan Polymers 0.000 description 2
- 239000001879 Curdlan Substances 0.000 description 2
- 102000002322 Egg Proteins Human genes 0.000 description 2
- 108010000912 Egg Proteins Proteins 0.000 description 2
- 240000003183 Manihot esculenta Species 0.000 description 2
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 description 2
- 229920000057 Mannan Polymers 0.000 description 2
- 108010020346 Polyglutamic Acid Proteins 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 229920001963 Synthetic biodegradable polymer Polymers 0.000 description 2
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229940078035 curdlan Drugs 0.000 description 2
- 235000019316 curdlan Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000747 poly(lactic acid) Polymers 0.000 description 2
- 229920002643 polyglutamic acid Polymers 0.000 description 2
- 239000004626 polylactic acid Substances 0.000 description 2
- 229920006327 polystyrene foam Polymers 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- QCVGEOXPDFCNHA-UHFFFAOYSA-N 5,5-dimethyl-2,4-dioxo-1,3-oxazolidine-3-carboxamide Chemical compound CC1(C)OC(=O)N(C(N)=O)C1=O QCVGEOXPDFCNHA-UHFFFAOYSA-N 0.000 description 1
- 108010068370 Glutens Proteins 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- 108010073771 Soybean Proteins Proteins 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 101000872823 Xenopus laevis Probable histone deacetylase 1-A Proteins 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- -1 constarch Polymers 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 210000003278 egg shell Anatomy 0.000 description 1
- 235000014103 egg white Nutrition 0.000 description 1
- 210000000969 egg white Anatomy 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 235000021312 gluten Nutrition 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920001592 potato starch Polymers 0.000 description 1
- 235000019992 sake Nutrition 0.000 description 1
- 229940001941 soy protein Drugs 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 235000019871 vegetable fat Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Biological Depolymerization Polymers (AREA)
- Panels For Use In Building Construction (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、各種容器類や、
電子機器、家電製品などの箱詰め緩衝材や、建築用断熱
材の成形に用いる中間原料（この明細書では成形品用中
間原料という）に関するものである。BACKGROUND OF THE INVENTION The present invention relates to various containers,
The present invention relates to an intermediate material (hereinafter, referred to as an intermediate material for a molded article) used for molding a cushioning material for a box of an electronic device or a home electric appliance or a heat insulating material for a building.
【０００２】[0002]
【従来の技術】従来、各種容器類、箱詰め緩衝材及び建
築用断熱材は発泡ポリスチロール製のものが主流であっ
たが、廃棄の際の埋立地の確保の困難性等から、近年で
は、生分解性を有する澱粉を主成分とした原料（澱粉生
地）を用いたものが見うけられるようになってきてい
る。2. Description of the Related Art Conventionally, foams made of polystyrene foam have been mainly used for various containers, boxed cushioning materials, and architectural heat insulating materials. However, in recent years, it has been difficult to secure landfill sites at the time of disposal. The use of a raw material (starch dough) containing starch having biodegradability as a main component has come to be seen.
【０００３】しかしながら、上記澱粉生地は水分値が高
いため、成形金型に供給して加熱成形した場合、加熱成
形に３〜４分を要し、量産化が容易でないという問題が
ある。したがって、従来の発泡ポリスチロール製の成形
品と比較して数倍の販売価格にならざるをえず、市場性
が欠落してしまっている。[0003] However, since the starch dough has a high moisture value, when it is supplied to a molding die and heat-molded, it takes 3 to 4 minutes for heat molding, and there is a problem that mass production is not easy. Therefore, the selling price must be several times higher than that of the conventional molded article made of polystyrene foam, and the marketability is lacking.
【０００４】[0004]
【発明が解決しようとする課題】そこで、この発明で
は、生分解性を有し、成形に要する時間が非常に短く量
産性に優れた成形品用中間原料を提供することを課題と
する。SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide an intermediate material for molded articles which is biodegradable, has a very short molding time and is excellent in mass productivity.
【０００５】[0005]
【課題を解決するための手段】（請求項１記載の発明）
この発明の成形品用中間原料は、澱粉を主成分とした生
地を加熱装置に供給することにより得られたものであっ
て、α化されていると共にシート状に形成されている。 （請求項２記載の発明）この発明の成形品用中間原料
は、上記請求項１記載の発明に関し、水分値が１０〜６
０％である。 （請求項３記載の発明）この発明の成形品用中間原料
は、上記請求項１又は２記載の発明に関し、膨化されて
いないものとしてある。 （請求項４記載の発明）この発明の成形品用中間原料
は、上記請求項１又は２記載の発明に関し、膨化されて
いるものとしてある。 （請求項５記載の発明）この発明の成形品用中間原料
は、上記請求項１乃至４のいずかに記載の発明に関し、
澱粉を主成分とした生地には、可塑性材料を混合してあ
る。 （請求項６記載の発明）この発明の成形品用中間原料
は、上記請求項１乃至４のいずかに記載の発明に関し、
澱粉を主成分とした生地には、補助添加物を混合してあ
る。 （請求項７記載の発明）この発明の成形品用中間原料
は、上記請求項１、２、４のいずかに記載の発明に関
し、澱粉を主成分とした生地には、気泡調整材を混合し
てある。Means for Solving the Problems (Invention of Claim 1)
The intermediate material for molded articles of the present invention is obtained by supplying a dough containing starch as a main component to a heating device, and is pregelatinized and formed into a sheet. (Invention according to claim 2) The intermediate material for a molded article according to the present invention relates to the invention according to the above-mentioned claim 1 and has a moisture value of 10 to 6
0%. (Invention of Claim 3) The intermediate material for a molded article of the present invention relates to the invention of Claim 1 or 2, and is not expanded. (Invention of Claim 4) The intermediate material for a molded article of the present invention is expanded according to the invention of Claim 1 or 2. (Invention according to claim 5) The intermediate material for a molded article according to the invention relates to the invention according to any one of claims 1 to 4,
The dough containing starch as a main component is mixed with a plastic material. (Invention according to claim 6) The intermediate material for a molded article according to the present invention relates to the invention according to any one of claims 1 to 4,
The dough based on starch is mixed with auxiliary additives. (Invention according to claim 7) The intermediate material for molded articles according to the present invention relates to the invention according to any one of the above-mentioned claims 1, 2 and 4, wherein the dough containing starch as a main component is provided with an air conditioning material. Mixed.
【０００６】なお、上記した発明の成形品用中間原料の
作用・効果については以下の発明の実施の形態の欄で説
明する。The operation and effect of the intermediate material for a molded article according to the present invention will be described in the following embodiments of the present invention.
【０００７】[0007]
【発明の実施の形態】以下、この発明を実施形態として
示した図面に従って説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described with reference to the drawings showing embodiments.
【０００８】この成形品用中間原料は、生澱粉（β澱
粉）を主成分とし、必要に応じて合成生分解高分子物質
であるポリビニルアルコール、ポリ乳酸、ポリグルタミ
ン酸、マンナン、カードラン、気泡調整剤、補助添加物
等を混合した生地１を、図１に示すように、スチールバ
ンドオーブン２のスチールベルト20の幅全面に２〜１０
ｍｍの薄さに連続供給し、α化すると共に帯シート状に
製造されたものである。なお、図１中、符号21は生地１
が入ったタンクであり、符号22は加熱体である。[0008] The intermediate raw material for the molded article is composed mainly of raw starch (β-starch) and, if necessary, polyvinyl alcohol, polylactic acid, polyglutamic acid, mannan, curdlan, and foam control, which are synthetic biodegradable polymer substances. As shown in FIG. 1, a dough 1 mixed with an agent, an auxiliary additive, and the like is spread over the entire width of a steel belt 20 of a steel band oven 2 for 2 to 10 minutes.
It is continuously supplied to a thickness of mm, is pregelatinized, and is manufactured in a belt sheet shape. In addition, in FIG.
, And reference numeral 22 denotes a heating element.
【０００９】以上のようにして製造した成形品用中間原
料は、α化度を調整した澱粉を主成分とすると共に含水
量１０〜６０重量％（好ましくは４５重量％）としたも
のである。前記含水量において、成形品用中間原料は可
撓性を有する帯シートになっている。ここで、成形品用
中間原料は膨化されていない場合の含水量は４０〜６０
重量％に、膨化されている場合の含水量は１０〜２０重
量％になっていることが好ましい。[0009] The intermediate raw material for a molded article produced as described above contains starch having a pre-gelatinized degree as a main component and a water content of 10 to 60% by weight (preferably 45% by weight). At the above-mentioned water content, the intermediate material for the molded article is a flexible belt sheet. Here, when the intermediate material for a molded article is not expanded, the water content is 40 to 60.
It is preferable that the water content when expanded is 10 to 20% by weight.
【００１０】前記生澱粉としては、コンスターチ、馬鈴
薯澱粉、タピオカ澱粉、酒糠粉を用いることができ、そ
の含有量は１０〜１００重量％にすることができる。原
料コストの低減には、タピオカ澱粉、酒糠粉が有効であ
る。As the raw starch, constarch, potato starch, tapioca starch and sake bran powder can be used, and the content can be 10 to 100% by weight. Tapioca starch and sake bran powder are effective in reducing raw material costs.
【００１１】合成生分解高分子物質であるポリビニルア
ルコールは、ポリ乳酸、ポリグルタミン酸、マンナン、
カードランは、その含有量を０〜５０重量％にすること
ができる。Polyvinyl alcohol, which is a synthetic biodegradable polymer, includes polylactic acid, polyglutamic acid, mannan,
Curdlan can have a content of 0 to 50% by weight.
【００１２】前記気泡調整剤としては、炭酸カルシウ
ム、卵殻粉、貝殻粉、タルクから選択されるものとする
ことができ、その含有量を０〜３重量％にすることがで
きる。[0012] The foam control agent may be selected from calcium carbonate, eggshell powder, shell powder, and talc, and the content thereof may be 0 to 3% by weight.
【００１３】前記補助添加物としては、植物性油脂、酒
糠、グルテン、大豆蛋白質、乾燥卵白、ポテトパルプ、
木粉、古紙粉末、パルプ、小麦麸、コーンファイバーか
ら選択されるものとすることができ、その含有量を０〜
９０重量％にすることができる。これら補助添加物は製
造される成形品用中間原料の耐水性や剛性を高めること
ができる。[0013] The auxiliary additives include vegetable oils and fats, sake bran, gluten, soy protein, dried egg white, potato pulp,
It can be selected from wood flour, waste paper powder, pulp, wheat fiber, and corn fiber.
It can be 90% by weight. These auxiliary additives can increase the water resistance and rigidity of the produced intermediate material for molded articles.
【００１４】この実施形態の成形品用中間原料は、上述
したように、生地１をスチールバンドオーブン２に２〜
１０ｍｍの薄さで連続供給するようにして帯シート状に
製造されるものであるから、大量生産が可能である。ま
た、所定の大きさに切断した成形品用中間原料を上下金
型にセットし、加熱・加圧すれば、１５〜３０秒程度で
成形品が製造できる。したがって、従来の方法で要した
時間（３〜４分）の１／８〜１／１２程度の短時間で製
造できることになる。これにより、従来の発泡スチロー
ル製の製品に対抗し得る価格にすることが可能になる。As described above, the intermediate material for molded articles of this embodiment is obtained by
Since it is manufactured in a belt sheet shape so as to be continuously supplied with a thickness of 10 mm, mass production is possible. Also, if the intermediate material for a molded product cut into a predetermined size is set in upper and lower molds and heated and pressed, a molded product can be manufactured in about 15 to 30 seconds. Therefore, it can be manufactured in a short time of about 1/8 to 1/12 of the time (3 to 4 minutes) required by the conventional method. This makes it possible to make the price competitive with that of the conventional product made of polystyrene.
【００１５】なお、上記実施形態の成形品用中間原料
は、生地１をスチールバンドオーブン２に連続供給する
ことにより帯シート状に形成してあるが、これに限定さ
れるものではない。つまり、上下金型にセットする前に
行う成形品用中間原料の切断工程を減らしたい場合に
は、成形時に必要な成形品用中間原料の寸法と対応させ
て、生地１を断続的にスチールバンドオーブン２に供給
すればよい（所望の長さ寸法と対応させて、生地１を断
続的にスチールバンドオーブン２に供給する）。The intermediate material for a molded article in the above embodiment is formed in a belt sheet shape by continuously supplying the dough 1 to the steel band oven 2, but is not limited to this. In other words, if it is desired to reduce the number of steps of cutting the intermediate material for a molded product before setting the upper and lower dies, the cloth 1 is intermittently made of a steel band in accordance with the dimensions of the intermediate material for a molded product required for molding. The dough 1 may be supplied to the steel band oven 2 intermittently according to the desired length.
【００１６】また、上記成形品用中間原料を製造するた
めには、上記したスチールバンドオーブン２を使用する
こともできるし、図２に示すような加熱源を有する回転
ドラム30とベルトコンベア31から成る装置３を使用する
ことができる。この装置３を用いる場合、生地１を回転
ドラム30に連続又は断続供給すればよい。つまり、加熱
源によって加熱されているエンドレスの回転面（スチー
ルバンドオーブン２ではスチールベルト20の外側面が、
装置３では回転ドラム30の外周面が相当する）を有する
装置であればよく、生地１は前記回転面に連続又は断続
供給される。Further, in order to produce the above-mentioned intermediate material for molded articles, the above-mentioned steel band oven 2 can be used, or a rotary drum 30 having a heating source as shown in FIG. A device 3 comprising: When this apparatus 3 is used, the dough 1 may be supplied to the rotating drum 30 continuously or intermittently. That is, the endless rotating surface heated by the heating source (the outer surface of the steel belt 20 in the steel band oven 2 is
The device 3 may be any device having the outer peripheral surface of the rotating drum 30), and the dough 1 is continuously or intermittently supplied to the rotating surface.
【００１７】[0017]
【発明の効果】この発明は上記のような構成であるから
次の効果を有する。The present invention has the following effects since it has the above-described configuration.
【００１８】発明の実施の形態の欄から明らかなよう
に、生分解性を有しており、成形に要する時間が短く量
産性に優れた成形品用中間原料を提供できた。As is clear from the description of the embodiments of the present invention, an intermediate material for molded articles which is biodegradable, requires a short molding time and is excellent in mass productivity can be provided.
【図１】この成形品用中間原料を使用する際に使用する
スチールバンドオーブン。FIG. 1 is a steel band oven used when using the intermediate material for molded articles.
【図２】この成形品用中間原料を使用する際に使用する
他の装置。FIG. 2 shows another apparatus used when using the intermediate material for a molded article.
１ 生地 ２ スチールバンドオーブン ３ 装置 1 dough 2 steel band oven 3 equipment
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｂ２９Ｌ 7:00 Ｂ２９Ｃ 67/22 Ｆターム(参考） 2E162 CE00 FC01 FC04 4F071 AA08 AA29 AA44 AB21 AB25 AH03 AH04 BA07 BB02 BC01 4F212 AA01 AA19 AA24 AB02 AE10 AG20 UA09 UB02 UF01 UG02 UG07 4J002 AB041 AB052 BE022 CF182 DE236 DJ046 GT00 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) B29L 7:00 B29C 67/22 F-term (Reference) 2E162 CE00 FC01 FC04 4F071 AA08 AA29 AA44 AB21 AB25 AH03 AH04 BA07 BB02 BC01 4F212 AA01 AA19 AA24 AB02 AE10 AG20 UA09 UB02 UF01 UG02 UG07 4J002 AB041 AB052 BE022 CF182 DE236 DJ046 GT00
Claims (7)
給することにより得られたものであって、α化されてい
ると共にシート状に形成されていることを特徴とする成
形品用中間原料。An intermediate for a molded article obtained by supplying a dough containing starch as a main component to a heating device, wherein the dough is pregelatinized and formed in a sheet shape. material.
とする請求項１記載の成形品用中間原料。2. The intermediate material for molded articles according to claim 1, wherein the moisture value is 10 to 60%.
項１又は２記載の成形品用中間原料。3. The intermediate material for a molded article according to claim 1, wherein the intermediate material is not expanded.
１又は２記載の成形品用中間原料。4. The intermediate material for molded articles according to claim 1, wherein the intermediate material is expanded.
料を混合してあることを特徴とする請求項１乃至４のい
ずれかに記載の成形品用中間原料。5. The intermediate material for a molded article according to claim 1, wherein the dough mainly composed of starch is mixed with a plastic material.
物を混合してあることを特徴とする請求項１乃至４のい
ずれかに記載の成形品用中間原料。6. The intermediate material for a molded article according to claim 1, wherein an auxiliary additive is mixed in the dough containing starch as a main component.
材を混合してあることを特徴とする請求項１、２、４の
いずれかに記載の成形品用中間原料。7. The intermediate material for a molded article according to claim 1, wherein a dough containing starch as a main component is mixed with an air bubble adjusting material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000110904A JP2001294709A (en) | 2000-04-12 | 2000-04-12 | Intermediate material for molded article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000110904A JP2001294709A (en) | 2000-04-12 | 2000-04-12 | Intermediate material for molded article |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001294709A true JP2001294709A (en) | 2001-10-23 |
Family
ID=18623336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000110904A Pending JP2001294709A (en) | 2000-04-12 | 2000-04-12 | Intermediate material for molded article |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001294709A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9308616B2 (en) | 2013-01-21 | 2016-04-12 | Innovative Finishes LLC | Refurbished component, electronic device including the same, and method of refurbishing a component of an electronic device |
-
2000
- 2000-04-12 JP JP2000110904A patent/JP2001294709A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9308616B2 (en) | 2013-01-21 | 2016-04-12 | Innovative Finishes LLC | Refurbished component, electronic device including the same, and method of refurbishing a component of an electronic device |
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