JPH08283495A - Molding for packaging food - Google Patents
Molding for packaging foodInfo
- Publication number
- JPH08283495A JPH08283495A JP11769595A JP11769595A JPH08283495A JP H08283495 A JPH08283495 A JP H08283495A JP 11769595 A JP11769595 A JP 11769595A JP 11769595 A JP11769595 A JP 11769595A JP H08283495 A JPH08283495 A JP H08283495A
- Authority
- JP
- Japan
- Prior art keywords
- weight
- parts
- black
- pigment
- molding
- 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.)
- Granted
Links
- 235000013305 food Nutrition 0.000 title claims abstract description 36
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 23
- 238000000465 moulding Methods 0.000 title claims abstract description 9
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229920005989 resin Polymers 0.000 claims abstract description 19
- 239000011347 resin Substances 0.000 claims abstract description 19
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 16
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 10
- FWLHAQYOFMQTHQ-UHFFFAOYSA-N 2-N-[8-[[8-(4-aminoanilino)-10-phenylphenazin-10-ium-2-yl]amino]-10-phenylphenazin-10-ium-2-yl]-8-N,10-diphenylphenazin-10-ium-2,8-diamine hydroxy-oxido-dioxochromium Chemical compound O[Cr]([O-])(=O)=O.O[Cr]([O-])(=O)=O.O[Cr]([O-])(=O)=O.Nc1ccc(Nc2ccc3nc4ccc(Nc5ccc6nc7ccc(Nc8ccc9nc%10ccc(Nc%11ccccc%11)cc%10[n+](-c%10ccccc%10)c9c8)cc7[n+](-c7ccccc7)c6c5)cc4[n+](-c4ccccc4)c3c2)cc1 FWLHAQYOFMQTHQ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229920000767 polyaniline Polymers 0.000 claims abstract description 9
- IRERQBUNZFJFGC-UHFFFAOYSA-L azure blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[S-]S[S-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IRERQBUNZFJFGC-UHFFFAOYSA-L 0.000 claims abstract description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 3
- WBWJXRJARNTNBL-UHFFFAOYSA-N [Fe].[Cr].[Co] Chemical compound [Fe].[Cr].[Co] WBWJXRJARNTNBL-UHFFFAOYSA-N 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 7
- 238000004898 kneading Methods 0.000 claims description 6
- 235000013336 milk Nutrition 0.000 abstract description 4
- 239000008267 milk Substances 0.000 abstract description 4
- 210000004080 milk Anatomy 0.000 abstract description 4
- 235000021122 unsaturated fatty acids Nutrition 0.000 abstract description 4
- 150000004670 unsaturated fatty acids Chemical class 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 235000013618 yogurt Nutrition 0.000 abstract description 3
- 235000013799 ultramarine blue Nutrition 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract 1
- 239000000049 pigment Substances 0.000 description 28
- 239000004594 Masterbatch (MB) Substances 0.000 description 9
- 238000010304 firing Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 229920005990 polystyrene resin Polymers 0.000 description 8
- 239000006071 cream Substances 0.000 description 6
- 239000002270 dispersing agent Substances 0.000 description 6
- 238000007666 vacuum forming Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000008188 pellet Substances 0.000 description 5
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 5
- 239000006229 carbon black Substances 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000005022 packaging material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- FORCYJKWSMETTC-UHFFFAOYSA-N [Cr].[Ti].[Sn] Chemical compound [Cr].[Ti].[Sn] FORCYJKWSMETTC-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229920005669 high impact polystyrene Polymers 0.000 description 2
- 239000004797 high-impact polystyrene Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- AWFYPPSBLUWMFQ-UHFFFAOYSA-N 2-[5-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-1,3,4-oxadiazol-2-yl]-1-(1,4,6,7-tetrahydropyrazolo[4,3-c]pyridin-5-yl)ethanone Chemical group C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1=NN=C(O1)CC(=O)N1CC2=C(CC1)NN=C2 AWFYPPSBLUWMFQ-UHFFFAOYSA-N 0.000 description 1
- VCUFZILGIRCDQQ-KRWDZBQOSA-N N-[[(5S)-2-oxo-3-(2-oxo-3H-1,3-benzoxazol-6-yl)-1,3-oxazolidin-5-yl]methyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical group O=C1O[C@H](CN1C1=CC2=C(NC(O2)=O)C=C1)CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F VCUFZILGIRCDQQ-KRWDZBQOSA-N 0.000 description 1
- 241000872198 Serjania polyphylla Species 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- GXDVEXJTVGRLNW-UHFFFAOYSA-N [Cr].[Cu] Chemical compound [Cr].[Cu] GXDVEXJTVGRLNW-UHFFFAOYSA-N 0.000 description 1
- BQCFCWXSRCETDO-UHFFFAOYSA-N [Fe].[Mn].[Cu] Chemical compound [Fe].[Mn].[Cu] BQCFCWXSRCETDO-UHFFFAOYSA-N 0.000 description 1
- NRWNVALJYWIWEH-UHFFFAOYSA-N [Ti].[Ba].[Ni] Chemical group [Ti].[Ba].[Ni] NRWNVALJYWIWEH-UHFFFAOYSA-N 0.000 description 1
- PRESPHWJFNSVAB-UHFFFAOYSA-N [Ti].[Ni].[Sn] Chemical compound [Ti].[Ni].[Sn] PRESPHWJFNSVAB-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- XHASLETWXKYQSC-UHFFFAOYSA-N cobalt iron manganese Chemical compound [Mn][Fe][Fe][Co] XHASLETWXKYQSC-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- UJMBCXLDXJUMFB-UHFFFAOYSA-K trisodium;5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4h-pyrazole-3-carboxylate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)C1=NN(C=2C=CC(=CC=2)S([O-])(=O)=O)C(=O)C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 UJMBCXLDXJUMFB-UHFFFAOYSA-K 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
Landscapes
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Wrappers (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、包装材料、特に牛乳、
ヨ−グルト等の不飽和脂肪酸を含有する食品の包装に適
した食品包装用成形品に関するものである。BACKGROUND OF THE INVENTION The present invention relates to packaging materials, especially milk,
The present invention relates to a molded article for food packaging suitable for packaging foods containing unsaturated fatty acids such as yogurt.
【０００２】[0002]
【従来の技術】従来より各種食品の包装容器として、耐
衝撃性に優れたスチレン系樹脂が容器として製造されて
いる。この際に使用する容器は、成形品の美的感覚のみ
ならず、充填（包装）された食品が、品質低下を来さぬ
ように保存できる容器が必要である。しかし、食品の種
類によっては、容器内部に存在する酸素によって、食品
が酸化され易く、この傾向は、更に太陽光、ことに紫外
線の存在によって、特に影響を受け易くなる。このた
め、汎用の透明タイプのスチレン系樹脂を使用し成形し
たシ−トや容器に食品を充填してアルミ箔や合成樹脂フ
イルムで密封する方法では、紫外線が容器内部に透過す
るために、容器内部に存在する酸素によって食品が腐敗
する事故が、しばしば発生している。2. Description of the Related Art Conventionally, styrene resins having excellent impact resistance have been manufactured as packaging containers for various foods. The container used in this case needs not only the aesthetic sensation of the molded product, but also a container capable of storing the filled (packed) food so as not to deteriorate the quality. However, depending on the type of food, the oxygen present inside the container tends to oxidize the food, and this tendency is particularly susceptible to the presence of sunlight, especially ultraviolet rays. For this reason, in a method of filling a sheet or a container molded using a general-purpose transparent type styrene-based resin with food and sealing it with an aluminum foil or a synthetic resin film, since ultraviolet rays penetrate inside the container, Accidents in which food is spoiled by the oxygen present inside often occur.
【０００３】これは、屋外に出さない食品包装物でも、
ショウインドウの蛍光灯から発生する紫外線に曝される
場合にも、太陽光下と同様に食品の変質を防ぐための安
全対策が必要である。特に、牛乳やヨ−グルトなど不飽
和脂肪酸を含有する食品は、紫外線により変質を受け易
く、容器に詰めた食品の変質を如何に防止するかが、包
装材料として重要な課題となっている。しかし、従来の
一般的な紫外線遮蔽対策としては、アルミ箔のような不
透明物質で光を遮蔽する方法や、隠蔽力の高い塗料を全
面に印刷して完全に光を遮断する方法で食品充填容器が
製造されている。また、有機紫外線吸収剤を添加した透
明樹脂シートを用いる方法も検討されているが、多くの
有機紫外線吸収剤は有毒であり使用することは好ましく
ない。This is for food packages that are not put out outdoors.
Even when exposed to the ultraviolet rays generated by the fluorescent light of Shoshou, it is necessary to take safety measures to prevent the deterioration of foods as under sunlight. In particular, foods containing unsaturated fatty acids such as milk and yogurt are susceptible to deterioration by ultraviolet rays, and how to prevent the deterioration of foods packed in containers is an important issue as a packaging material. However, conventional general UV shielding measures include a method of shielding light with an opaque substance such as aluminum foil, or a method of printing a paint with high concealing power on the entire surface to completely block light. Is manufactured. Further, a method using a transparent resin sheet to which an organic ultraviolet absorber is added has been studied, but many organic ultraviolet absorbers are toxic, and it is not preferable to use them.
【０００４】そこで近年、太陽光線、特に紫外線を遮蔽
する顔料であるカーボンブラックを少量樹脂に配合し成
形した包装材料が商品化されている。しかし、カーボン
ブラック顔料は、樹脂との混練の際に大気中への飛散が
酷く、作業環境低下の要因となるので好ましくない。ま
た、本発明に使用する着色剤としてマスターバッチの状
態で長期間保存すると湿気を吸収し易い傾向がある。Therefore, in recent years, packaging materials have been commercialized in which a small amount of carbon black, which is a pigment that shields sunlight, particularly ultraviolet rays, is mixed with a resin and molded. However, the carbon black pigment is not preferable because it is severely scattered into the air when kneaded with the resin, which causes a deterioration in working environment. Further, if the colorant used in the present invention is stored for a long time in a masterbatch state, it tends to absorb moisture.
【０００５】[0005]
【本発明が解決しようとする課題】本発明は、樹脂と混
練した際にカーボンブラック顔料の様な飛散がなく、顔
料分散性にも富んだ成形品の製造が容易で生産コストが
安く、紫外線遮蔽性効果に優れたシートや容器などの食
品包装用成形品の提供を目的とするものである。DISCLOSURE OF THE INVENTION The present invention provides a molded product which does not scatter like a carbon black pigment when kneaded with a resin and has excellent pigment dispersibility, which is low in production cost and which can be exposed to ultraviolet rays. The object of the present invention is to provide a molded article for food packaging such as a sheet or a container having an excellent shielding effect.
【０００６】[0006]
【課題を解決するための手段】そこで本発明者らは、
（Ａ）スチレン系樹脂100重量部、（Ｂ）焼成ブラック
及び／又はアニリンブラック0.001〜0.50重量部、
（Ｃ）酸化チタン1〜20重量部、以上（Ａ）〜（Ｃ）成
分を混練配合してなる組成物を使用し、成形することを
特徴とする食品包装用成形品を開発したのである。本発
明での食品包装用成形品とは、上記の成分を混合して得
られる組成物をシート状に成形したもの、及びこれを材
料として真空成形、圧空成形などした容器類、例えば蓋
材や容器等を意味する。本発明で使用するスチレン系樹
脂としては、汎用性のスチレン樹脂を使用しても好い
が、シートや容器等包装材料として成形した場合に、耐
衝撃性にすぐれた樹脂の使用量を多くすると得られる成
形品の耐衝撃性が大きくなるので好ましい。この樹脂と
してハイインパクト・ポリスチレン、スチレン−ブタジ
エングラフト共重合体樹脂、スチレン−メチルメタアク
リル−ブタジエン共重合体等スチレンを主成分とする樹
脂が挙げられる。Therefore, the present inventors have
(A) 100 parts by weight of styrene resin, (B) 0.001 to 0.50 parts by weight of baked black and / or aniline black,
A molded product for food packaging, which is characterized by being molded using a composition obtained by kneading and blending 1 to 20 parts by weight of (C) titanium oxide and the above components (A) to (C), was developed. The molded article for food packaging in the present invention is a sheet obtained by molding the composition obtained by mixing the above components, and vacuum molding using this as a material, containers subjected to pressure molding, such as a lid material or It means a container. As the styrene-based resin used in the present invention, it is preferable to use a general-purpose styrene resin, but when molded as a packaging material such as a sheet or a container, it is possible to obtain a large amount of a resin excellent in impact resistance. This is preferable because the impact resistance of the molded product obtained is increased. Examples of the resin include high-impact polystyrene, styrene-butadiene graft copolymer resin, styrene-methylmethacryl-butadiene copolymer, and other resins containing styrene as a main component.
【０００７】本発明で使用する焼成ブラックには、複合
酸化物系の顔料であり銅−クロム系（Pigment Black 2
8）、銅−鉄−マンガン系（Pigment Black 27）、コバ
ルト−鉄−クロム（Pigment Black 26）等が挙げられ
る。特に焼成ブラックとしては、コバルト−鉄−クロム
（Pigment Black 26）が分散性と、紫外線の遮蔽に優れ
るので好ましい。また本発明では、焼成ブラックにかえ
てアニリンブラック顔料を使用しても、少ない使用量で
紫外線遮蔽効果が発揮されので好ましい。本発明での焼
成ブラック及び／又はアニリンブラックの使用量は、0.
001〜0.50重量部である。0.001重量部より少ないと太陽
光線の透過が多く紫外線照射も多くなり好ましくない、
また、0.5重量部より多いとシート及び容器の外観が、
黒色の感じが強くなり外観状好ましくない。The calcined black used in the present invention is a complex oxide type pigment which is a copper-chromium type pigment (Pigment Black 2
8), copper-iron-manganese system (Pigment Black 27), cobalt-iron-chromium (Pigment Black 26) and the like. In particular, as the firing black, cobalt-iron-chromium (Pigment Black 26) is preferable because it is excellent in dispersibility and shielding of ultraviolet rays. Further, in the present invention, it is preferable to use an aniline black pigment instead of the calcined black because the ultraviolet ray shielding effect can be exhibited with a small amount. The amount of the baked black and / or aniline black used in the present invention is 0.
It is 001 to 0.50 parts by weight. If it is less than 0.001 part by weight, there is a lot of transmission of sunlight and a lot of UV irradiation, which is not preferable.
Also, if it is more than 0.5 parts by weight, the appearance of the sheet and container,
The appearance of black is strong and the appearance is unfavorable.
【０００８】本発明で使用する酸化チタンは、アナター
ゼ型、ルチル型のいずれのタイプでも良く、粒径、粒度
分布等、特に限定されるものではない。本発明での酸化
チタンの使用量は、1〜20重量部である。1重量部より少
ないと併用する焼成ブラックの使用量にもよるが得られ
る成形品の外観が黒色ぽっくなり好ましくない、また20
重量部以上配合すると成形品の機械的物性を低下し好ま
しくない。尚、本発明では、スチレン系樹脂に顔料成分
として焼成ブラック及び／又はアニリンブラックに酸化
チタンを配合するほかに、更に弁柄、群青及び／又は焼
成イエローを追加し成形することにより、本発明の食品
包装用成形品としての美麗的感覚が向上するばかりでな
く、食品の長期保存に耐える成形品を提供するものであ
る。The titanium oxide used in the present invention may be either anatase type or rutile type, and the particle size, particle size distribution and the like are not particularly limited. The amount of titanium oxide used in the present invention is 1 to 20 parts by weight. If the amount is less than 1 part by weight, the appearance of the obtained molded product becomes blackish depending on the amount of the firing black used together, which is not preferable.
If it is mixed in an amount of more than 1 part by weight, the mechanical properties of the molded product will be deteriorated, which is not preferable. In addition, in the present invention, in addition to blending the firing black and / or aniline black with titanium oxide as a pigment component in the styrene-based resin, a valve pattern, ultramarine blue and / or firing yellow are further added to form the composition of the present invention. It is intended to provide a molded product which not only enhances the aesthetic appeal as a molded product for food packaging but also can withstand the long-term storage of food.
【０００９】この際に使用する（Ｄ）弁柄は0.001〜0.0
5重量部、群青は0.001〜0.05重量部及び／又は焼成イエ
ロ−は0.001〜0.05重量部を、（Ａ）〜（Ｃ）成分を混
練する際に、同時に混練配合して、食品包装用成形品を
成形するれば良い。焼成イエローは、複合酸化物系の顔
料でありチタン−バリウム−ニッケル系（Pigment Yell
ow 157）、チタン−錫−ニッケル系（Pigment yellow 5
3）、チタン−錫−クロム（Pigment Brown 24）等が挙
げられる。特に本発明で使用すると焼成イエロ−として
は、チタン−錫−クロム（PigmentBrown 24）が好まし
い。The (D) valve stem used at this time is 0.001 to 0.0
5 parts by weight, 0.001 to 0.05 parts by weight of ultramarine and / or 0.001 to 0.05 parts by weight of baked yellow are simultaneously kneaded and mixed when kneading the components (A) to (C), and a molded article for food packaging. Should be molded. Firing yellow is a complex oxide pigment that is titanium-barium-nickel-based (Pigment Yell).
ow 157), titanium-tin-nickel system (Pigment yellow 5
3), titanium-tin-chromium (Pigment Brown 24) and the like. When used in the present invention, titanium-tin-chromium (Pigment Brown 24) is particularly preferable as the fired yellow.
【００１０】また、本発明で用いられる組成物は、他の
熱可塑性樹脂と積層して使用しても良い。本発明の食品
包装用成形品の製造には、従来より行われている方法で
行えばよく、例えば、各種成分（Ａ）、（Ｂ）、（Ｃ）
及び（Ｄ）の混合には、各種混合機で溶融混練には押出
機を使用しペレット化し、またシート（フイルム）を作
成し、食品包装用成形品の成形には真空成形機を使用し
て製造する。本発明に用いる他の添加剤、例えば分散
剤、無機・有機顔料、充填剤、安定剤、帯電防止剤等を
混入しても、本発明の効果を損なわない程度で任意に加
え、配合しても良い。次に本発明の実施例及び比較例を
述べる。The composition used in the present invention may be used by laminating it with another thermoplastic resin. The molded article for food packaging of the present invention may be produced by a conventional method, for example, various components (A), (B), (C).
To mix (D) and (D), an extruder is used for melt-kneading with various mixers, pelletization is performed, and a sheet (film) is prepared. A vacuum forming machine is used for forming a food packaging molded product. To manufacture. Even if other additives used in the present invention, for example, a dispersant, an inorganic / organic pigment, a filler, a stabilizer, an antistatic agent, etc. are mixed, they are arbitrarily added and blended to the extent that the effects of the present invention are not impaired. Is also good. Next, examples and comparative examples of the present invention will be described.
【００１１】[0011]
実施例１ MI値6.5ｇ／10分［JIS−K7210、以下同じ］のポリスチ
レン樹脂（出光石油化学株式会社製商品：MS15）10重量
部に、焼成ブラックとしてコバルト−鉄−クロム複合酸
化物（Pigment Black 26）0.2重量部、酸化チタン10重
量部、及び分散剤としてステアリン酸亜鉛を加え、ヘン
シエルミキサーにて十分に混合後、２軸押出機を用いて2
00℃で溶融・混練し、押出しペレット化して、マスター
バッチを得た。このマスターバッチ2重量部とMI値2.5ｇ
／10分の耐衝撃性ポリスチレン樹脂（出光石油化学株式
会社製商品：ET60）20重量部とを押出機で混合した後、
シートを作成した。このシートを使用し、真空成形機を
使用して、本発明の食品包装用成形品であるコーヒー用
クリーム容器を作成した。Example 1 10 parts by weight of a polystyrene resin (manufactured by Idemitsu Petrochemical Co., Ltd .: MS15) having an MI value of 6.5 g / 10 min [JIS-K7210, the same applies hereinafter] was used as a firing black as a cobalt-iron-chromium composite oxide (Pigment). Black 26) 0.2 parts by weight, titanium oxide 10 parts by weight, and zinc stearate as a dispersant are added, thoroughly mixed with a Henschel mixer, and then mixed with a twin-screw extruder.
The master batch was obtained by melting and kneading at 00 ° C. and extruding into pellets. 2 parts by weight of this masterbatch and MI value of 2.5 g
After mixing with 10 parts by weight of impact-resistant polystyrene resin (product of Idemitsu Petrochemical Co., Ltd .: ET60) for 20 minutes with an extruder,
Created a sheet. Using this sheet and a vacuum forming machine, a cream container for coffee, which is the molded product for food packaging of the present invention, was prepared.
【００１２】実施例２ MI値9ｇ／10分のポリスチレン樹脂（出光石油化学株式
会社製商品：MF20）10重量部、焼成ブラックとしてコバ
ルト−鉄−クロム複合酸化物（Pigment Black27）0.3重
量部、酸化チタン12重量部、弁柄0.02重量部、群青0.02
重量部、焼成イエロー（Pigment Brown 24）0.02重量
部、及び分散剤としてステアリン酸亜鉛を加え、ヘンシ
エルミキサーにて十分に混合後、２軸押出機を用いて200
℃で溶融・混練し、押出しペレット化して、マスターバ
ッチを得た。このマスターバッチ2重量部とMI値2.5ｇ／
10分の耐衝撃性ポリスチレン樹脂（出光石油化学株式会
社製商品：ET60）20重量部とを押出機で混合した後、シ
ートを作成した。このシートを使用し、真空成形機を使
用して、本発明の食品包装用成形品であるコーヒー用ク
リーム容器を作成した。Example 2 10 parts by weight of a polystyrene resin (product of Idemitsu Petrochemical Co., Ltd .: MF20) having an MI value of 9 g / 10 min, 0.3 part by weight of cobalt-iron-chromium composite oxide (Pigment Black27) as a firing black, and oxidation Titanium 12 parts by weight, Rouge 0.02 parts by weight, Ultramarine 0.02
Parts by weight, baked yellow (Pigment Brown 24) 0.02 parts by weight, and zinc stearate as a dispersant, and thoroughly mixed with a Henschel mixer, and then mixed with a twin-screw extruder to 200
The mixture was melted and kneaded at ℃, and extruded into pellets to obtain a masterbatch. 2 parts by weight of this masterbatch and MI value of 2.5 g /
A sheet was prepared by mixing 20 parts by weight of impact-resistant polystyrene resin (product of Idemitsu Petrochemical Co., Ltd .: ET60) for 10 minutes with an extruder. Using this sheet and a vacuum forming machine, a cream container for coffee, which is the molded product for food packaging of the present invention, was prepared.
【００１３】実施例３ 実施例１において、焼成ブラックをコバルト−鉄−マン
ガン系複合酸化物（Pigment Black 26）0.1重量部及び
コバルト−鉄−クロム複合酸化物（Pigment Black 27）
0.1重量部の混合物にかえる以外は実施例１と同じであ
る。 実施例４ MI値2.5ｇ／10分の耐衝撃性ポリスチレン樹脂（出光石
油化学株式会社製商品：ET60）100重量部に、焼成ブラ
ックとしてコバルト−鉄−クロム複合酸化物（Pigment
Black 26）0.01重量部、酸化チタン10重量部、及び分散
剤としてステアリン酸亜鉛を加え、ヘンシエルミキサー
にて十分に混合後、２軸押出機を用いて200℃で溶融・
混練し、押出しペレット化して、カラーコンパウンドを
得た。該カラーコンパウンドを使用し押出機でシートを
作成した後、このシートを使用し、真空成形機により、
本発明の食品包装用成形品であるコーヒー用クリーム容
器を作成した。Example 3 In Example 1, 0.1 parts by weight of cobalt-iron-manganese-based composite oxide (Pigment Black 26) was used as the calcined black and cobalt-iron-chromium composite oxide (Pigment Black 27).
Same as Example 1 but with 0.1 parts by weight of the mixture. Example 4 100 parts by weight of an impact-resistant polystyrene resin (product of Idemitsu Petrochemical Co., Ltd .: ET60) having an MI value of 2.5 g / 10 min was added to a cobalt-iron-chromium composite oxide (Pigment) as firing black.
Black 26) 0.01 parts by weight, titanium oxide 10 parts by weight, and zinc stearate as a dispersant are added, thoroughly mixed with a Henschel mixer, and then melted at 200 ° C. using a twin-screw extruder.
The mixture was kneaded and extruded into pellets to obtain a color compound. After making a sheet with an extruder using the color compound, using this sheet, by a vacuum forming machine,
A cream container for coffee, which is a molded product for food packaging according to the present invention, was prepared.
【００１４】実施例５ MI値9ｇ／10分のポリスチレン樹脂10重量部に、アニリ
ンブラック（Pigment Black 1）0.2重量部、酸化チタン
10重量部、及び分散剤としてステアリン酸亜鉛を加え、
ヘンシエルミキサーにて十分に混合後、２軸押出機を用
いて200℃で溶融・混練し、押出しペレット化して、マ
スターバッチを得た。このマスターバッチ2重量部とア
イゾット衝撃強さ11Kg・cm／cm2（測定法：JIS-K-711
0）、MI値2.5ｇ／10分の耐衝撃性ポリスチレン樹脂20重
量部とを押出機で混合した後、シートを作成した。この
シートを使用し、真空成形機を使用して、本発明の食品
包装用成形品であるコーヒー用クリーム容器を作成し
た。Example 5 10 parts by weight of a polystyrene resin having an MI value of 9 g / 10 min, 0.2 parts by weight of aniline black (Pigment Black 1) and titanium oxide
Add 10 parts by weight, and zinc stearate as a dispersant,
After thoroughly mixing with a Hensiel mixer, the mixture was melted and kneaded at 200 ° C. using a twin-screw extruder and extruded into pellets to obtain a masterbatch. 2 parts by weight of this masterbatch and Izod impact strength of 11 kg · cm / cm 2 (measurement method: JIS-K-711
0) and 20 parts by weight of high impact polystyrene resin having an MI value of 2.5 g / 10 min were mixed with an extruder, and then a sheet was prepared. Using this sheet and a vacuum forming machine, a cream container for coffee, which is the molded product for food packaging of the present invention, was prepared.
【００１５】実施例６ MI値9ｇ／10分のポリスチレン樹脂（出光石油化学株式
会社製商品：NF20）10重量部に、焼成ブラックとしてコ
バルト−鉄−クロム複合酸化物（Pigment Black 26）0.
1重量部、アニリンブラック（東京色材(株)製品：No.2
スーパーブラック）0.1重量部、酸化チタン12重量部、
及び分散剤としてステアリン酸亜鉛を加え、ヘンシエル
ミキサーにて十分に混合後、２軸押出機を用いて200℃
で溶融・混練し、押出しペレット化して、マスターバッ
チを得た。このマスターバッチ2重量部とMI値2.5ｇ／10
分の耐衝撃性ポリスチレン樹脂（出光石油化学株式会社
製商品：ET60）20重量部とを押出機で混合した後、シー
トを作成した。このシートを使用し、真空成形機を使用
して、本発明の食品包装用成形品であるコーヒー用クリ
ーム容器を作成した。Example 6 10 parts by weight of a polystyrene resin (product of Idemitsu Petrochemical Co., Ltd .: NF20) having an MI value of 9 g / 10 min was added with cobalt-iron-chromium composite oxide (Pigment Black 26) as a firing black.
1 part by weight, aniline black (Tokyo Coloring Materials Co., Ltd. product: No. 2
Super black) 0.1 parts by weight, titanium oxide 12 parts by weight,
And zinc stearate as a dispersant, mix well with a Henschel mixer, and then use a twin-screw extruder at 200 ° C.
Was melted and kneaded, and extruded into pellets to obtain a masterbatch. 2 parts by weight of this masterbatch and MI value of 2.5 g / 10
20 minutes by weight of impact-resistant polystyrene resin (product of Idemitsu Petrochemical Co., Ltd .: ET60) was mixed with an extruder to prepare a sheet. Using this sheet and a vacuum forming machine, a cream container for coffee, which is the molded product for food packaging of the present invention, was prepared.
【００１６】比較例１ 実施例１での焼成ブラックの使用量を0.8重量部とする
以外は、実施例１と同じである。 比較例２ 実施例１での焼成ブラックの使用量を0.0002重量部とす
る以外は、実施例１と同じである。 比較例３ 実施例１での酸化チタンの使用量を0.1重量部とする以
外は、実施例１と同じである。Comparative Example 1 The same as Example 1 except that the amount of the baked black used in Example 1 was 0.8 parts by weight. Comparative Example 2 The same as Example 1 except that the amount of the baked black used in Example 1 was 0.0002 parts by weight. Comparative Example 3 The same as Example 1 except that the amount of titanium oxide used in Example 1 was 0.1 parts by weight.
【００１７】比較例４ 実施例２での焼成ブラックの使用量を0.8重量部とする
以外は、実施例２と同じである。 比較例５ 実施例２での焼成ブラックの使用量を0.0002重量部とす
る以外は、実施例２と同じである。 比較例６ 実施例２での酸化チタンの使用量を0.1重量部とする以
外は、実施例２と同じである。Comparative Example 4 The same as Example 2 except that the amount of the baked black used in Example 2 was 0.8 parts by weight. Comparative Example 5 The same as Example 2 except that the amount of the baked black used in Example 2 was 0.0002 parts by weight. Comparative Example 6 The same as Example 2 except that the amount of titanium oxide used in Example 2 was 0.1 parts by weight.
【００１８】以上、実施例１〜６及び比較例１〜６で得
られたシートについて、下記の基準で外観と顔料分散性
について、目視により判定した。 ∇顔料分散性 ○………グリットは全くなし、 ×………グリットが
見られる。 ≪遮光性 測定室を暗室にして、サンプルの透過光の状態を測定し
た。 ○………白色で商品価値あり、 ×………黒色っぽく商
品価値が低下。The appearance and pigment dispersibility of the sheets obtained in Examples 1 to 6 and Comparative Examples 1 to 6 were visually evaluated according to the following criteria. ∇ Pigment dispersibility ○ ………… No grit at all, × ………… Grit is seen. << Light-shielding property The state of the transmitted light of the sample was measured by setting the measurement room as a dark room. ○: The product value is white, and the product value is black.
【００１９】[0019]
【発明の効果】本発明の食品包装用成形品は、その製造
において各種原料を混合し成形する際にカーボンブラッ
クの様な粉塵が舞い上がる心配もなく、極めて良好な作
業環境での製造が可能であり、しかも、顔料分散性に優
れた製造コストの低い樹脂組成物を使用する食品包装用
成形品を提供するものである。本発明の焼成ブラック配
合の食品包装用成形品は、太陽光や、蛍光灯から発生す
る紫外線をほぼ完全に遮断する。このため、牛乳、ヨ−
グルト、コーヒー用クリームなどの不飽和脂肪酸を含有
する食品の保存用容器として使用した場合にも、該食品
が品質変化せず長い間の保存に十分に効果を発揮するも
のである。EFFECT OF THE INVENTION The molded product for food packaging of the present invention can be manufactured in an extremely good working environment without concern that dust such as carbon black will fly up when various raw materials are mixed and molded. In addition, the present invention provides a molded article for food packaging that uses a resin composition having excellent pigment dispersibility and low manufacturing cost. The molded product for food packaging containing the baked black of the present invention almost completely blocks sunlight and ultraviolet rays emitted from a fluorescent lamp. For this reason, milk, yo
Even when it is used as a container for storing foods containing unsaturated fatty acids such as grout and coffee cream, the foods do not change in quality and exhibit sufficient effects for long-term storage.
【表１】 [Table 1]
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｃ０８Ｋ 3/22 Ｃ０８Ｋ 3/22 ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Internal reference number FI Technical display area C08K 3/22 C08K 3/22
Claims (3)
（Ｂ）焼成ブラック及び／又はアニリンブラック0.001
〜0.50重量部、（Ｃ）酸化チタン1〜20重量部、以上
（Ａ）〜（Ｃ）成分を混練配合してなる組成物を使用
し、成形することを特徴とする食品包装用成形品。1. (A) 100 parts by weight of styrene resin,
(B) Fired black and / or aniline black 0.001
~ 0.50 parts by weight, (C) 1 to 20 parts by weight of titanium oxide, and a composition for kneading and blending the above components (A) to (C), and molded using a composition for food packaging.
（Ｂ）焼成ブラック及び／又はアニリンブラック0.001
〜0.50重量部、（Ｃ）酸化チタン1〜20重量部、（Ｄ）
弁柄0.001〜0.05重量部、群青0.001〜0.05重量部及び／
又は焼成イエロー0.001〜0.05重量部、以上（Ａ）〜
（Ｄ）成分を混練配合してなる組成物を使用し、成形す
ることを特徴とする食品包装用成形品。2. (A) 100 parts by weight of styrene resin,
(B) Fired black and / or aniline black 0.001
~ 0.50 parts by weight, (C) titanium oxide 1 to 20 parts by weight, (D)
Rouge 0.001 to 0.05 parts by weight, ultramarine 0.001 to 0.05 parts by weight and /
Or 0.001 to 0.05 parts by weight of baked yellow, above (A)
A molded article for food packaging, comprising molding using a composition obtained by kneading and blending the component (D).
合酸化物である請求項第１項または第２項記載の食品包
装用成形品。3. The molded product for food packaging according to claim 1, wherein the baked black is a cobalt-chromium-iron composite oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11769595A JP3646143B2 (en) | 1995-04-20 | 1995-04-20 | Molded products for food packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11769595A JP3646143B2 (en) | 1995-04-20 | 1995-04-20 | Molded products for food packaging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08283495A true JPH08283495A (en) | 1996-10-29 |
| JP3646143B2 JP3646143B2 (en) | 2005-05-11 |
Family
ID=14718018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11769595A Expired - Lifetime JP3646143B2 (en) | 1995-04-20 | 1995-04-20 | Molded products for food packaging |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3646143B2 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004124042A (en) * | 2002-08-07 | 2004-04-22 | Techno Polymer Co Ltd | Low heat storage thermoplastic resin composition and its molded article |
| JP2004250553A (en) * | 2003-02-19 | 2004-09-09 | Techno Polymer Co Ltd | Thermoplastic resin composition with low heat storage and molded product |
| WO2012124615A1 (en) | 2011-03-11 | 2012-09-20 | 株式会社明治 | Photodegradation-resistant beverage |
| US8318226B2 (en) | 2005-11-21 | 2012-11-27 | Meiji Co., Ltd. | Milk-type food and drink packed in transparent container and process for producing the same |
| JP2014111736A (en) * | 2012-11-02 | 2014-06-19 | Daikin Ind Ltd | Coating composition, back sheet for solar cell module and solar cell module |
| JP2014156578A (en) * | 2013-01-17 | 2014-08-28 | Toyo Ink Sc Holdings Co Ltd | Dispersion composition, coating composition, coated film, and colored article |
| WO2015002151A1 (en) * | 2013-07-01 | 2015-01-08 | 株式会社明治 | Method for improving photostability of food, beverage or the like |
| US10294343B2 (en) | 2014-09-24 | 2019-05-21 | The Chemours Company Fc, Llc | Materials with enhanced protection of light sensitive entities |
-
1995
- 1995-04-20 JP JP11769595A patent/JP3646143B2/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004124042A (en) * | 2002-08-07 | 2004-04-22 | Techno Polymer Co Ltd | Low heat storage thermoplastic resin composition and its molded article |
| JP2004250553A (en) * | 2003-02-19 | 2004-09-09 | Techno Polymer Co Ltd | Thermoplastic resin composition with low heat storage and molded product |
| US8318226B2 (en) | 2005-11-21 | 2012-11-27 | Meiji Co., Ltd. | Milk-type food and drink packed in transparent container and process for producing the same |
| WO2012124615A1 (en) | 2011-03-11 | 2012-09-20 | 株式会社明治 | Photodegradation-resistant beverage |
| US9814248B2 (en) | 2011-03-11 | 2017-11-14 | Meiji Co., Ltd. | Photodegradation resistant beverage |
| JP2014111736A (en) * | 2012-11-02 | 2014-06-19 | Daikin Ind Ltd | Coating composition, back sheet for solar cell module and solar cell module |
| JP2014156578A (en) * | 2013-01-17 | 2014-08-28 | Toyo Ink Sc Holdings Co Ltd | Dispersion composition, coating composition, coated film, and colored article |
| WO2015002151A1 (en) * | 2013-07-01 | 2015-01-08 | 株式会社明治 | Method for improving photostability of food, beverage or the like |
| JPWO2015002151A1 (en) * | 2013-07-01 | 2017-02-23 | 株式会社明治 | Method for improving photostability of food and drink |
| US10294343B2 (en) | 2014-09-24 | 2019-05-21 | The Chemours Company Fc, Llc | Materials with enhanced protection of light sensitive entities |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3646143B2 (en) | 2005-05-11 |
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