JP2014219666A - Heat-shrinkable cylindrical label and container with label - Google Patents
Heat-shrinkable cylindrical label and container with label Download PDFInfo
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- JP2014219666A JP2014219666A JP2014071817A JP2014071817A JP2014219666A JP 2014219666 A JP2014219666 A JP 2014219666A JP 2014071817 A JP2014071817 A JP 2014071817A JP 2014071817 A JP2014071817 A JP 2014071817A JP 2014219666 A JP2014219666 A JP 2014219666A
- Authority
- JP
- Japan
- Prior art keywords
- heat
- shrinkable cylindrical
- cylindrical label
- container
- label
- 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.)
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- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000011324 bead Substances 0.000 claims abstract description 16
- 239000003094 microcapsule Substances 0.000 claims abstract description 14
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 9
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 9
- 238000009835 boiling Methods 0.000 claims abstract description 8
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000003678 scratch resistant effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 7
- 230000002265 prevention Effects 0.000 abstract description 4
- 238000005187 foaming Methods 0.000 abstract description 2
- -1 preferably Substances 0.000 description 9
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 6
- 239000006260 foam Substances 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 239000004793 Polystyrene Substances 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 229920001225 polyester resin Polymers 0.000 description 3
- 239000004645 polyester resin Substances 0.000 description 3
- 229920002223 polystyrene Polymers 0.000 description 3
- 229920006257 Heat-shrinkable film Polymers 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 150000001993 dienes Chemical class 0.000 description 2
- 229920005669 high impact polystyrene Polymers 0.000 description 2
- 239000004797 high-impact polystyrene Substances 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 description 2
- 229920005672 polyolefin resin Polymers 0.000 description 2
- 229920005990 polystyrene resin Polymers 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- ZDPHROOEEOARMN-UHFFFAOYSA-N undecanoic acid Chemical compound CCCCCCCCCCC(O)=O ZDPHROOEEOARMN-UHFFFAOYSA-N 0.000 description 2
- 125000006091 1,3-dioxolane group Chemical group 0.000 description 1
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 1
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- UTNSTOOXQPHXJQ-UHFFFAOYSA-N 2-[4-[4-(2-hydroxyethoxy)phenyl]sulfonylphenoxy]ethanol Chemical compound C1=CC(OCCO)=CC=C1S(=O)(=O)C1=CC=C(OCCO)C=C1 UTNSTOOXQPHXJQ-UHFFFAOYSA-N 0.000 description 1
- DSKYSDCYIODJPC-UHFFFAOYSA-N 2-butyl-2-ethylpropane-1,3-diol Chemical compound CCCCC(CC)(CO)CO DSKYSDCYIODJPC-UHFFFAOYSA-N 0.000 description 1
- BJLUCDZIWWSFIB-UHFFFAOYSA-N 5-tert-butylbenzene-1,3-dicarboxylic acid Chemical compound CC(C)(C)C1=CC(C(O)=O)=CC(C(O)=O)=C1 BJLUCDZIWWSFIB-UHFFFAOYSA-N 0.000 description 1
- NVOQWKSTTGAKLM-UHFFFAOYSA-N C1(=CC=CC=C1)O.C1(=CC=CC=C1)O.C1(CC(CCC1)CO)CO Chemical class C1(=CC=CC=C1)O.C1(=CC=CC=C1)O.C1(CC(CCC1)CO)CO NVOQWKSTTGAKLM-UHFFFAOYSA-N 0.000 description 1
- 229920001634 Copolyester Polymers 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical class C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- YIMQCDZDWXUDCA-UHFFFAOYSA-N [4-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1CCC(CO)CC1 YIMQCDZDWXUDCA-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- FOTKYAAJKYLFFN-UHFFFAOYSA-N decane-1,10-diol Chemical compound OCCCCCCCCCCO FOTKYAAJKYLFFN-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- WMUFHDYXFASDAE-UHFFFAOYSA-N hydron;2-octadecylpropanedioate Chemical compound CCCCCCCCCCCCCCCCCCC(C(O)=O)C(O)=O WMUFHDYXFASDAE-UHFFFAOYSA-N 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical class C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 description 1
- RXOHFPCZGPKIRD-UHFFFAOYSA-N naphthalene-2,6-dicarboxylic acid Chemical compound C1=C(C(O)=O)C=CC2=CC(C(=O)O)=CC=C21 RXOHFPCZGPKIRD-UHFFFAOYSA-N 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- RUOPINZRYMFPBF-UHFFFAOYSA-N pentane-1,3-diol Chemical compound CCC(O)CCO RUOPINZRYMFPBF-UHFFFAOYSA-N 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 150000003022 phthalic acids Chemical class 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- HQHCYKULIHKCEB-UHFFFAOYSA-N tetradecanedioic acid Chemical compound OC(=O)CCCCCCCCCCCCC(O)=O HQHCYKULIHKCEB-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D23/00—Details of bottles or jars not otherwise provided for
- B65D23/08—Coverings or external coatings
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/04—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps to be fastened or secured by the material of the label itself, e.g. by thermo-adhesion
Abstract
Description
本発明は一般に熱収縮性筒状ラベルに関するものであり、より特定的には、輸送時や搬送時のラベルの破れを防止することができるように改良された熱収縮性筒状ラベルに関する。この発明はまたそのような熱収縮性筒状ラベルが装着された容器に関する。 The present invention generally relates to a heat-shrinkable cylindrical label, and more particularly to a heat-shrinkable cylindrical label improved so as to prevent tearing of the label during transportation or transportation. The present invention also relates to a container equipped with such a heat-shrinkable cylindrical label.
図５は、その表面を改質することによりソフトで良好な手触り感を得ることを目的として提案されている従来の熱収縮性筒状ラベルの断面図である（例えば特許文献１参照）。従来の熱収縮性筒状ラベルは、図５を参照して、ラベル基材２と発泡インキ層３と傷防止メジウム４とを備える。ラベル基材２は傷防止メジウム層４の側を外側に向けて折り曲げられてセンターシールされ筒状に形成される。このような熱収縮性筒状ラベルは図６に示すように、容器５に装着し、シュリンクトンネル又はライスターに送られて、熱収縮させる。図５と図６を参照して、熱収縮時に発泡インキ３層が発泡し、発泡層３０が形成され、ソフトで手触り感が良好なものが得られると記載されている。 FIG. 5 is a cross-sectional view of a conventional heat-shrinkable cylindrical label proposed for the purpose of obtaining a soft and good hand feeling by modifying its surface (see, for example, Patent Document 1). A conventional heat-shrinkable cylindrical label includes a label substrate 2, a foamed ink layer 3, and a scratch prevention medium 4 with reference to FIG. 5. The label base material 2 is bent toward the outer side of the scratch-preventing medium layer 4 and center-sealed to form a cylindrical shape. As shown in FIG. 6, such a heat-shrinkable cylindrical label is attached to the container 5 and sent to a shrink tunnel or a lyister to cause heat shrinkage. With reference to FIG. 5 and FIG. 6, it is described that three layers of foamed ink are foamed at the time of thermal contraction, and a foamed layer 30 is formed, and a soft and good touch feeling can be obtained.
しかしながら、従来の熱収縮性筒状ラベルは、図６（Ａ）に示すような角部５ａを有する容器５に装着された場合には、発泡層３０が柔らかいため、傷防止メジウム層４を最外層にコートしても、ボトル同士の擦れやボトル落下時に、図６（Ｂ）に示すように発泡層３０が脱落し、穴が開くという問題点があった。 However, when the conventional heat-shrinkable cylindrical label is attached to the container 5 having the corners 5a as shown in FIG. Even when the outer layer is coated, there is a problem that the foamed layer 30 falls off and a hole is opened as shown in FIG.
本発明は、上記のような問題点を解決するためになされたもので、落下等の強い衝撃が加えられても、ラベルが破れないように改良された熱収縮性筒状ラベルを提供することを目的とする。 The present invention has been made to solve the above-described problems, and provides an improved heat-shrinkable cylindrical label so that the label is not broken even when a strong impact such as dropping is applied. With the goal.
この発明の他の目的は、そのような熱収縮性筒状ラベルが装着された容器を提供することにある。 Another object of the present invention is to provide a container equipped with such a heat-shrinkable cylindrical label.
本発明は、容器の胴部外周に装着される熱収縮性筒状ラベルに係り、上記容器の胴部に接触する側の上記熱収縮性筒状ラベルの内面に、低沸点炭化水素を内包した熱膨張性マイクロカプセルを含む発泡インキ層もしくはウレタンビーズインキ層が設けられていることを特徴とする。 The present invention relates to a heat-shrinkable cylindrical label attached to the outer periphery of a container body, and includes low-boiling hydrocarbons inside the heat-shrinkable cylindrical label on the side in contact with the container body. A foamed ink layer or a urethane bead ink layer containing thermally expandable microcapsules is provided.
上記熱膨張性マイクロカプセルとして、１００℃〜１４０℃に加熱することによって発泡するものを用いると、上記発泡インキ層は、１００℃〜１４０℃に加温されたシュリンクトンネルを通過する時に発泡して、衝撃を吸収する発泡層となる。 When the thermally expandable microcapsule that is foamed by heating to 100 ° C. to 140 ° C. is used, the foamed ink layer foams when passing through a shrink tunnel heated to 100 ° C. to 140 ° C. It becomes a foamed layer that absorbs impact.
当該熱収縮性筒状ラベルの外面には傷防止メジウムが設けられていてもよい。 Scratch prevention media may be provided on the outer surface of the heat-shrinkable cylindrical label.
上記発泡インキ層の厚みは１０〜４０μｍであるのが好ましい。 The thickness of the foamed ink layer is preferably 10 to 40 μm.
上記熱膨張性マイクロカプセルの平均粒径は１５〜４０μｍであるのが好ましい。 The average particle diameter of the thermally expandable microcapsules is preferably 15 to 40 μm.
上記ウレタンビーズインキ層の厚みは７〜３０μｍであるのが好ましい。 The urethane bead ink layer preferably has a thickness of 7 to 30 μm.
上記ウレタンビーズの平均粒径は５〜２０μｍであるのが好ましい。 The average particle diameter of the urethane beads is preferably 5 to 20 μm.
この発明の他の局面に従うラベル付き容器は、上記熱収縮性筒状ラベルを装着し、発泡させてなる。 A labeled container according to another aspect of the present invention is formed by mounting and foaming the heat-shrinkable cylindrical label.
上記容器が角部を有し、上記熱収縮性筒状ラベルが、該角部を包み込んで収縮している場合に、本発明は特に効果を奏する。 The present invention is particularly effective when the container has corners and the heat-shrinkable cylindrical label wraps around the corners and shrinks.
上記熱収縮性筒状ラベルは、ラベル基材の一方の端部を他方の端部に重ねてセンターシールすることにより、筒状に形成される。センターシール溶剤は、基材フィルムにポリエステル系熱収縮性フィルムを使用する場合、１，３ジオキソランまたはテトラヒドロフランが好ましい、またポリスチレン系熱収縮性フィルムを使用する場合は、テトラヒドロフランまたはメチルエチルケトンが好ましい。 The heat-shrinkable cylindrical label is formed in a cylindrical shape by centering one end of the label base material on the other end. The center seal solvent is preferably 1,3 dioxolane or tetrahydrofuran when a polyester heat-shrinkable film is used as the base film, and tetrahydrofuran or methyl ethyl ketone is preferable when a polystyrene heat-shrinkable film is used.
ラベル基材には、紫外線吸収剤、アンチブロッキング剤、滑剤、静電気防止剤、抗菌剤、安定剤等、各種公知の添加剤や異なる樹脂等を合目的的に添加してもよい。 Various known additives such as ultraviolet absorbers, antiblocking agents, lubricants, antistatic agents, antibacterial agents, stabilizers, and the like may be appropriately added to the label base material.
上記容器はオレフィン系の樹脂で形成されるのが好ましいが、特に限定されない。 The container is preferably formed of an olefin resin, but is not particularly limited.
オレフィン系樹脂としては、好ましくは、エチレン又はプロピレンを主成分とし、それぞれの単独重合体、又はそれらと共重合可能な他の単量体（オレフィン、ビニル化合物等）とのランダム共重合体、或いは環状オレフィンを含む重合体が挙げられる。ポリオレフィン系樹脂は１種類であってもよいし、２種類以上の混合物としてもよい。 As the olefin-based resin, preferably, ethylene or propylene as a main component, each homopolymer, or a random copolymer with other monomer (olefin, vinyl compound, etc.) copolymerizable therewith, or Examples include polymers containing cyclic olefins. The polyolefin resin may be one kind or a mixture of two or more kinds.
上記ラベル基材はポリエステル系樹脂又はポリスチレン系樹脂で形成されるのが好ましい。 The label substrate is preferably formed of a polyester resin or a polystyrene resin.
ポリエステル系樹脂としては、好ましくは一般に共重合ポリエステル樹脂と呼ばれる樹脂が挙げられる。共重合ポリエステル樹脂を構成する酸成分としては公知のものでよく、例えば、テレフタル酸、イソフタル酸、フタル酸、２，６−ナフタレンジカルボン酸等のナフタレンジカルボン酸類、４，４’−ジカルボン酸ジフェニール等のジカルボキシビフェニール類、５−ｔ−ブチルイソフタル酸等の置換フタル酸類、２，２，６，６−テトラメチルビフェニル−４，４’−ジカルボン酸等の置換ジカルボキシルビフェニル類、１，１，３−トリメチル−３−フェニルインデン−４，５−ジカルボン酸及びその置換体、１，２−ジフェノキシエタン−４，４’−ジカルボン酸及びその置換体等の芳香族ジカルボン酸、シュウ酸、マロン酸、コハク酸、グルタル酸、アジピン酸、アゼライン酸、セバチン酸、ピメル酸、ウンデカン酸、ドデカンジカルボン酸、ブラシリン酸、テトラデカンジカルボン酸、タブシン酸、ノナデカンジカルボン酸、ドコリンジカルボン酸等の脂肪族ジカルボン酸及びその置換体、４，４’−ジカルボキシシクロヘキサン等の脂環族ジカルボン酸及びその置換体等が挙げられる。そしてジオール成分としては公知のものでよく、例えば、エチレングリコール、トリエチレングリコール、プロピレングリコール、ブタンジオール、１，６−ヘキサンジオール、１，１０−デカンジオール、ネオペンチルグリコール、２−メチル−２−エチル−１，３−プロパンジオール、２−ジエチル−１，３−プロパンジオール、２−エチル−２−ｎ−ブチル−１，３−プロパンジオール等の脂肪族ジオール類、１，３−シクロヘキサンジメタノール、１，４−シクロヘキサンジメタノール等の脂環族ジオール類、２，２−ビス（４’−β−ヒドロキシエトキシジフェニル）プロパン、ビス（４’−β−ヒドロキシエトキシフェニル）スルホン等のビスフェノール系化合物のエチレンオキサイド付加物、キシリレングリコール等の芳香族系のジオール類、あるいはジエチレングリコール等が挙げられる。 The polyester resin is preferably a resin generally called a copolyester resin. The acid component constituting the copolymerized polyester resin may be a known acid component such as terephthalic acid, isophthalic acid, phthalic acid, naphthalenedicarboxylic acids such as 2,6-naphthalenedicarboxylic acid, 4,4′-dicarboxylic acid diphenyl, etc. Dicarboxybiphenyls, substituted phthalic acids such as 5-t-butylisophthalic acid, substituted dicarboxylbiphenyls such as 2,2,6,6-tetramethylbiphenyl-4,4′-dicarboxylic acid, 1,1, Aromatic dicarboxylic acids such as 3-trimethyl-3-phenylindene-4,5-dicarboxylic acid and substituted products thereof, 1,2-diphenoxyethane-4,4′-dicarboxylic acid and substituted products thereof, oxalic acid and malon Acid, succinic acid, glutaric acid, adipic acid, azelaic acid, sebacic acid, pimelic acid, undecanoic acid, dodecanedica Aliphatic dicarboxylic acids such as boric acid, brassic acid, tetradecanedicarboxylic acid, tabsic acid, nonadecanedicarboxylic acid, docholine dicarboxylic acid and their substitutes, and alicyclic dicarboxylic acids such as 4,4′-dicarboxycyclohexane and the like Substituents and the like can be mentioned. The diol component may be a known component such as ethylene glycol, triethylene glycol, propylene glycol, butanediol, 1,6-hexanediol, 1,10-decanediol, neopentyl glycol, 2-methyl-2- Aliphatic diols such as ethyl-1,3-propanediol, 2-diethyl-1,3-propanediol, 2-ethyl-2-n-butyl-1,3-propanediol, 1,3-cyclohexanedimethanol Bisphenol compounds such as alicyclic diols such as 1,4-cyclohexanedimethanol, 2,2-bis (4′-β-hydroxyethoxydiphenyl) propane, bis (4′-β-hydroxyethoxyphenyl) sulfone Aromatics such as ethylene oxide adducts and xylylene glycol Diols, or diethylene glycol.
ポリスチレン系樹脂とは、ポリスチレン、耐衝撃性ポリスチレン、グラフトタイプ耐衝撃性ポリスチレン、スチレン−共役ジエンブロックコポリマー、スチレン−共役ジエンブロックエラストマー等、スチレンを構成要素の一つとする樹脂全般をいう。ポリスチレン系樹脂は１種類であってもよいし、２種類以上の混合物としてもよい。 The polystyrene-based resin refers to all resins having styrene as one of the constituent elements such as polystyrene, high-impact polystyrene, graft-type high-impact polystyrene, styrene-conjugated diene block copolymer, styrene-conjugated diene block elastomer. One type of polystyrene resin may be used, or a mixture of two or more types may be used.
本発明に係る熱収縮性筒状ラベルによれば、角部を有する容器に該角部を包み込むように装着すると、熱収縮時、発泡インキ層が発泡して発泡層となって角部を柔らかく包む結果、もしくはウレタンビーズによるクッション効果のため、ボトル同士やガイドとの接触時あるいは落下時の衝撃を吸収し、破れの発生を抑える。 According to the heat-shrinkable cylindrical label according to the present invention, when the corner portion is mounted so as to wrap the corner portion in a container having a corner portion, the foamed ink layer is foamed and becomes a foamed layer when the heat shrinks, and the corner portion is softened. As a result of wrapping or the cushioning effect of urethane beads, it absorbs shocks when contacting bottles or with guides or when dropped, and suppresses the occurrence of tears.
落下等の強い衝撃が加えられても、ラベルが破れないように改良された熱収縮性筒状ラベルを得るという目的を、容器の胴部に接触する側の上記熱収縮性筒状ラベルの内面に、低沸点炭化水素を内包した熱膨張性マイクロカプセルを含む発泡インキ層もしくはウレタンビーズによるクッションコート層を設けることによって実現した。以下、この発明の実施例を、図を用いて説明する。 The purpose of obtaining a heat-shrinkable cylindrical label improved so that the label does not break even when a strong impact such as dropping is applied. This was realized by providing a foamed ink layer containing thermally expandable microcapsules enclosing low-boiling hydrocarbons or a cushion coat layer made of urethane beads. Embodiments of the present invention will be described below with reference to the drawings.
図１（Ａ）は、本発明の実施例１に係る熱収縮性筒状ラベル１の斜視図であり、（Ｂ）はそのフィルムの断面図である。これらの図を参照して、容器の胴部外周に装着される熱収縮性筒状ラベル１はラベル基材２を備え、容器の胴部に接触する側の内面に、発泡インキ層３が設けられている。熱収縮性筒状ラベル１の外面には傷防止メジウム層４が設けられている。ラベル基材２と発泡インキ層３の間には、図示しないが、グラビアインキで印刷層が裏刷りされている。ラベル基材２の横方向（ＴＤ方向）の延伸倍率は、３〜１０倍、好ましくは３〜７倍である。縦方向（ＭＤ方向）には延伸しなくてもよく、場合によっては１.８倍程度以下の延伸があっても良い。ラベル基材２の一方の端部の上に他方の端部を重ね合わせてセンターシールすることにより筒状に形成されている。 FIG. 1 (A) is a perspective view of a heat-shrinkable cylindrical label 1 according to Example 1 of the present invention, and (B) is a cross-sectional view of the film. With reference to these drawings, the heat-shrinkable cylindrical label 1 mounted on the outer periphery of the body of the container is provided with a label substrate 2, and a foamed ink layer 3 is provided on the inner surface on the side in contact with the body of the container. It has been. A scratch-resistant medium layer 4 is provided on the outer surface of the heat-shrinkable cylindrical label 1. Although not shown, between the label base material 2 and the foamed ink layer 3, a printing layer is back-printed with gravure ink. The stretching ratio in the horizontal direction (TD direction) of the label substrate 2 is 3 to 10 times, preferably 3 to 7 times. It is not necessary to stretch in the machine direction (MD direction), and in some cases, there may be stretching of about 1.8 times or less. The label substrate 2 is formed in a cylindrical shape by overlapping the other end portion on one end portion and performing center sealing.
発泡インキ層３の厚みは１０〜４０μｍである。発泡インキ層３は、図２に示すような低沸点炭化水素７を内包した熱膨張性マイクロカプセル８を含み、例えばニューダイフォームＥＫ−８０１７Ｃ（大日精化工業株式会社製）で形成される。熱膨張性マイクロカプセル８の平均粒径は１５〜４０μｍである。熱膨張性マイクロカプセル８のシェルは、アクリロニトリル共重合体で形成され、１００℃〜１４０℃の温度に加熱されると、低沸点炭化水素が膨張し、同時に熱可塑性樹脂で形成されたマイクロカプセル８のシェルが急激に膨張し、直径４０〜１２０μｍのバルーン（気球）９になる。化学発泡剤と異なり、中空のバルーンなので、独立気泡を形成する。このバルーン９が発泡層を形成する。 The thickness of the foamed ink layer 3 is 10 to 40 μm. The foamed ink layer 3 includes a thermally expandable microcapsule 8 encapsulating a low-boiling hydrocarbon 7 as shown in FIG. 2, and is formed of, for example, New Daifoam EK-8017C (manufactured by Dainichi Seika Kogyo Co., Ltd.). The average particle diameter of the thermally expandable microcapsule 8 is 15 to 40 μm. The shell of the heat-expandable microcapsule 8 is formed of an acrylonitrile copolymer, and when heated to a temperature of 100 ° C. to 140 ° C., the low-boiling point hydrocarbon expands and at the same time the microcapsule 8 formed of a thermoplastic resin. The shell rapidly expands to become a balloon (balloon) 9 having a diameter of 40 to 120 μm. Unlike chemical foaming agents, it is a hollow balloon that forms closed cells. This balloon 9 forms a foam layer.
熱収縮性筒状ラベル１は、図３に示すように、ＰＥＴボトルなどの容器５に装着され、１００℃〜１４０℃に加温されたシュリンクトンネル又はライスターに送られて、熱収縮させる。この時に、上記したように、図２と図３を参照して、低沸点炭化水素７が膨張し、同時に熱可塑性樹脂で形成されたマイクロカプセル８のシェルが急激に膨張し、直径４０〜１２０μｍのバルーン（気球）９になる。このバルーン９が発泡層３０を形成する。 As shown in FIG. 3, the heat-shrinkable cylindrical label 1 is attached to a container 5 such as a PET bottle and sent to a shrink tunnel or lyister heated to 100 ° C. to 140 ° C. to be heat-shrinked. At this time, as described above, referring to FIG. 2 and FIG. 3, the low boiling point hydrocarbon 7 expands, and at the same time, the shell of the microcapsule 8 formed of the thermoplastic resin rapidly expands, and the diameter is 40 to 120 μm. The balloon (balloon) 9 becomes. This balloon 9 forms the foam layer 30.
ウレタンビーズインキ層の厚みは７〜３０μｍである。例えばＳＢＮ−ＮＴ ＵＢ１０マット（７μｍウレタンビーズ）（大日精化工業株式会社製）で形成される。 The thickness of the urethane bead ink layer is 7 to 30 μm. For example, it is formed of SBN-NT UB10 mat (7 μm urethane beads) (manufactured by Dainichi Seika Kogyo Co., Ltd.).
本発明に係る熱収縮性筒状ラベル１は、図３に示すような角部５ａを有する容器５に対して特に有効である。発泡インキ層／ウレタンビーズインキ層がある場合とない場合のそれぞれについて、熱収縮前後の角部におけるラベルの厚み（μｍ）及び衝撃強度（印刷面）を調べた結果を表１に示す。角部の試料として、角部Ｒのある角型容器を用いた。フィルムにはグンゼハイブリッドＰＳフィルム「ＨＳＡ４０μｍ」を用いた。
本発明によれば、図４（Ａ）を参照して、角部５ａを包み込んで収縮させると、傷防止メジウム層４（最外層）と硬いフィルムであるラベル基材２（外側から２番目の層）が発泡層３０／ウレタンビーズインキ層３０を保護するため、角部に衝撃を受けても、図４（Ｂ）に示すように、発泡層／ウレタンビーズインキ層３０が脱落することがない。発泡層／ウレタンビーズインキ層３０が、容器同士の接触やガイドとの接触時あるいは落下時の衝撃を吸収し、ラベル１の破れの発生を抑えることとが可能となった。 According to the present invention, referring to FIG. 4 (A), when the corner portion 5a is wrapped and contracted, the scratch-preventing medium layer 4 (outermost layer) and the label base material 2 (second from the outside) are formed. Layer) protects the foam layer 30 / urethane bead ink layer 30, so that even if the corner receives an impact, the foam layer / urethane bead ink layer 30 does not fall off as shown in FIG. 4B. . The foamed layer / urethane bead ink layer 30 can absorb the impact at the time of contact between containers, contact with a guide or dropping, and suppress the occurrence of tearing of the label 1.
今回開示された実施例はすべての点で例示であって制限的なものではないと考えられるべきである。本発明の範囲は上記した説明ではなくて特許請求の範囲によって示され、特許請求の範囲と均等の意味および範囲内でのすべての変更が含まれることが意図される。 It should be understood that the embodiments disclosed herein are illustrative and non-restrictive in every respect. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.
本発明に係る熱収縮性筒状ラベルによれば、ボトル同士の擦れやボトル落下時に発泡層が脱落しないので、外観の美しさが維持できる。 According to the heat-shrinkable cylindrical label according to the present invention, the foam layer does not fall off when the bottles are rubbed or when the bottles are dropped, so that the appearance can be kept beautiful.
１ 熱収縮性筒状ラベル
２ ラベル基材
３ 発泡インキ層もしくはウレタンビーズインキ層
４ 傷防止メジウム層
５ 容器
６ 穴
７ 低沸点炭化水素
８ 熱膨張性マイクロカプセル
９ バルーン
３０ 発泡層／ウレタンビーズインキ層
DESCRIPTION OF SYMBOLS 1 Heat-shrinkable cylindrical label 2 Label base material 3 Foamed ink layer or urethane bead ink layer 4 Scratch prevention medium layer 5 Container 6 Hole 7 Low boiling point hydrocarbon 8 Thermal expansion microcapsule 9 Balloon 30 Foamed layer / urethane bead ink layer
Claims (8)
前記容器の胴部に接触する側の前記熱収縮性筒状ラベルの内面に、低沸点炭化水素を内包した熱膨張性マイクロカプセルを含む発泡インキ層もしくはウレタンビーズインキ層が設けられていることを特徴とする熱収縮性筒状ラベル。 In the heat-shrinkable cylindrical label attached to the outer periphery of the body of the container,
A foamed ink layer or a urethane bead ink layer containing a thermally expandable microcapsule containing a low-boiling point hydrocarbon is provided on the inner surface of the heat-shrinkable cylindrical label on the side in contact with the body of the container. Characteristic heat-shrinkable cylindrical label.
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