JP4593956B2 - Re-adhesive hot melt adhesive - Google Patents
Re-adhesive hot melt adhesive Download PDFInfo
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- JP4593956B2 JP4593956B2 JP2004106894A JP2004106894A JP4593956B2 JP 4593956 B2 JP4593956 B2 JP 4593956B2 JP 2004106894 A JP2004106894 A JP 2004106894A JP 2004106894 A JP2004106894 A JP 2004106894A JP 4593956 B2 JP4593956 B2 JP 4593956B2
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- 239000000853 adhesive Substances 0.000 title claims description 36
- 239000004831 Hot glue Substances 0.000 title claims description 14
- 230000001070 adhesive effect Effects 0.000 claims description 35
- 239000000203 mixture Substances 0.000 claims description 22
- ULQISTXYYBZJSJ-UHFFFAOYSA-N 12-hydroxyoctadecanoic acid Chemical compound CCCCCCC(O)CCCCCCCCCCC(O)=O ULQISTXYYBZJSJ-UHFFFAOYSA-N 0.000 claims description 19
- 229920001083 polybutene Polymers 0.000 claims description 11
- 229940114072 12-hydroxystearic acid Drugs 0.000 claims description 9
- 239000003921 oil Substances 0.000 claims description 9
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- DSEKYWAQQVUQTP-XEWMWGOFSA-N (2r,4r,4as,6as,6as,6br,8ar,12ar,14as,14bs)-2-hydroxy-4,4a,6a,6b,8a,11,11,14a-octamethyl-2,4,5,6,6a,7,8,9,10,12,12a,13,14,14b-tetradecahydro-1h-picen-3-one Chemical compound C([C@H]1[C@]2(C)CC[C@@]34C)C(C)(C)CC[C@]1(C)CC[C@]2(C)[C@H]4CC[C@@]1(C)[C@H]3C[C@@H](O)C(=O)[C@@H]1C DSEKYWAQQVUQTP-XEWMWGOFSA-N 0.000 claims description 4
- XDOFQFKRPWOURC-UHFFFAOYSA-N 16-methylheptadecanoic acid Chemical compound CC(C)CCCCCCCCCCCCCCC(O)=O XDOFQFKRPWOURC-UHFFFAOYSA-N 0.000 claims description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 4
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 claims description 4
- 239000012943 hotmelt Substances 0.000 claims description 4
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 claims description 4
- PRAKJMSDJKAYCZ-UHFFFAOYSA-N squalane Chemical compound CC(C)CCCC(C)CCCC(C)CCCCC(C)CCCC(C)CCCC(C)C PRAKJMSDJKAYCZ-UHFFFAOYSA-N 0.000 claims description 4
- 150000004665 fatty acids Chemical class 0.000 claims description 3
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- LEACJMVNYZDSKR-UHFFFAOYSA-N 2-octyldodecan-1-ol Chemical compound CCCCCCCCCCC(CO)CCCCCCCC LEACJMVNYZDSKR-UHFFFAOYSA-N 0.000 claims description 2
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 2
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 2
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- 235000011187 glycerol Nutrition 0.000 claims description 2
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 2
- IUJAMGNYPWYUPM-UHFFFAOYSA-N hentriacontane Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC IUJAMGNYPWYUPM-UHFFFAOYSA-N 0.000 claims description 2
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 claims description 2
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 2
- 229940119170 jojoba wax Drugs 0.000 claims description 2
- 235000019388 lanolin Nutrition 0.000 claims description 2
- 229940039717 lanolin Drugs 0.000 claims description 2
- 229940057995 liquid paraffin Drugs 0.000 claims description 2
- 239000004200 microcrystalline wax Substances 0.000 claims description 2
- 235000019808 microcrystalline wax Nutrition 0.000 claims description 2
- JXTPJDDICSTXJX-UHFFFAOYSA-N n-Triacontane Natural products CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC JXTPJDDICSTXJX-UHFFFAOYSA-N 0.000 claims description 2
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 claims description 2
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 2
- 239000004006 olive oil Substances 0.000 claims description 2
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- 229940066842 petrolatum Drugs 0.000 claims description 2
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- 229940032094 squalane Drugs 0.000 claims description 2
- 239000003760 tallow Substances 0.000 claims description 2
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 claims description 2
- 229940082483 carnauba wax Drugs 0.000 claims 1
- 229940114937 microcrystalline wax Drugs 0.000 claims 1
- 235000013379 molasses Nutrition 0.000 claims 1
- 229940012831 stearyl alcohol Drugs 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 11
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- 238000000034 method Methods 0.000 description 8
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- 238000001816 cooling Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 229920001903 high density polyethylene Polymers 0.000 description 3
- 239000004700 high-density polyethylene Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
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- 238000001879 gelation Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- SPSPIUSUWPLVKD-UHFFFAOYSA-N 2,3-dibutyl-6-methylphenol Chemical compound CCCCC1=CC=C(C)C(O)=C1CCCC SPSPIUSUWPLVKD-UHFFFAOYSA-N 0.000 description 1
- KIHBGTRZFAVZRV-UHFFFAOYSA-N 2-Hydroxyoctadecanoic acid Natural products CCCCCCCCCCCCCCCCC(O)C(O)=O KIHBGTRZFAVZRV-UHFFFAOYSA-N 0.000 description 1
- 240000006497 Dianthus caryophyllus Species 0.000 description 1
- 235000009355 Dianthus caryophyllus Nutrition 0.000 description 1
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 1
- 229920000881 Modified starch Polymers 0.000 description 1
- 239000004368 Modified starch Substances 0.000 description 1
- 239000005662 Paraffin oil Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
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- 239000007864 aqueous solution Substances 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- CZBZUDVBLSSABA-UHFFFAOYSA-N butylated hydroxyanisole Chemical compound COC1=CC=C(O)C(C(C)(C)C)=C1.COC1=CC=C(O)C=C1C(C)(C)C CZBZUDVBLSSABA-UHFFFAOYSA-N 0.000 description 1
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
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- GVJHHUAWPYXKBD-UHFFFAOYSA-N d-alpha-tocopherol Natural products OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
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- 238000004806 packaging method and process Methods 0.000 description 1
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- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- 229930003799 tocopherol Natural products 0.000 description 1
- 239000011732 tocopherol Substances 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- GVJHHUAWPYXKBD-IEOSBIPESA-N α-tocopherol Chemical compound OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-IEOSBIPESA-N 0.000 description 1
Landscapes
- Adhesives Or Adhesive Processes (AREA)
Description
本発明は、再接着性を有する接着剤に関し、詳しくは、製品を輸送容器から本容器へ移す場合や、建築、工作での仮止め等の一時的な固定や、あらかじめ交換が予定されている部品の固定を目的とした再接着性を有するホットメルト型接着剤に関する。 The present invention relates to an adhesive having re-adhesiveness, and more specifically, when a product is transferred from a transport container to the main container, temporary fixing such as temporary fixing in construction or work, or replacement in advance is planned. The present invention relates to a hot melt adhesive having re-adhesive properties for fixing parts.
従来、各種の溶剤型接着剤 が広く用いられてきた。ところが溶剤を使用することにより、大気汚染、火災発生の危険、労働環境や衛生面の悪化などの問題が生じる。そのため、無溶剤型の接着剤 が広く用いられるようになっている。無溶剤型の接着剤 の代表例としては、水溶液や水分散液の形態にした水性接着剤 および加熱溶融して用いるホットメルト接着剤が挙げられる。ホットメルト型接着剤組成物は、溶剤型の接着剤組成物に比較して、溶剤の乾燥装置や回収装置が不要であること等の長所を有しており、包装、製本、衛生材料、合板、木工、建材、自動車等の各種業界において広く用いられている。 Conventionally, various solvent adhesives have been widely used. However, the use of solvents causes problems such as air pollution, fire hazard, and deterioration of working environment and hygiene. Therefore, solventless adhesives are widely used. Typical examples of the solventless adhesive include an aqueous adhesive in the form of an aqueous solution or an aqueous dispersion and a hot melt adhesive used by heating and melting. Compared to solvent-type adhesive compositions, hot-melt-type adhesive compositions have the advantage that a solvent drying device and recovery device are not required. Packaging, bookbinding, sanitary materials, plywood It is widely used in various industries such as woodwork, building materials and automobiles.
通常のホットメルト接着剤は、常温では固体であり、使用時に加熱溶融して各種基材に塗布し、冷却することにより固化して接着力を発現させるものである。水、溶媒を含まない熱可塑性樹脂からなる非溶剤型であるため、大気汚染、火災の危険性がなく労働環境および衛生上好ましい、また接着のセットタイムが短縮されることから、紙、木材、金属、プラスチックなどの接着において工業的に広く利用されている。 A normal hot melt adhesive is solid at normal temperature, and is heated and melted at the time of use, applied to various base materials, and solidified by cooling to develop an adhesive force. Because it is a non-solvent type consisting of a thermoplastic resin that does not contain water or solvent, it is preferable in terms of working environment and hygiene without air pollution and fire hazard, and because the set time for bonding is shortened, paper, wood, It is widely used industrially for bonding metals and plastics.
しかし、被着体の耐熱性やホットメルト接着剤との密着性等の物理的・化学的性質の相違から、単一のホットメルト接着剤では適用できない場合が数多くあった。例えば、ポリエチレン樹脂などのプラスチックとアルミニウムなどの金属の接着に関しての問題点は、通常親油系である接着剤とプラスチックに関しては必要とされる接着強度が得られるが、アルミニウムなどの金属は、疎油性であるため充分な接着強度が得られないなどの場合や、融点または軟化点が大きく異なるプラスチック同士を接着する場合などである。 However, due to differences in physical and chemical properties such as the heat resistance of the adherend and the adhesion to the hot melt adhesive, there are many cases where it cannot be applied with a single hot melt adhesive. For example, the problem related to the adhesion of plastics such as polyethylene resin and metals such as aluminum is that the required adhesive strength can be obtained for adhesives and plastics that are usually lipophilic, but metals such as aluminum are sparse. This is the case where sufficient adhesive strength cannot be obtained because it is oily, or when plastics having greatly different melting points or softening points are bonded together.
本発明で、目的とされる再接着性は、たとえば製品を輸送容器から本容器へ移す場合や、建築、工作での仮止め等の一時的な固定や、あらかじめ交換が予定されている部品の固定などに有用であり、その他の分野でも利用される可能性がある。現在までホットメルト型の接着剤の分野では、接着強度や生産性、機械適正が検討されたのみで、再接着性について検討された例はない。 In the present invention, the intended re-adhesiveness is, for example, when a product is transferred from a transport container to the main container, temporarily fixed such as temporarily fixed in construction or work, or a part that is scheduled to be replaced in advance. It is useful for fixing and may be used in other fields. To date, in the field of hot-melt adhesives, only adhesive strength, productivity, and mechanical suitability have been studied, and there has been no example of re-adhesion.
また、再接着性に関して粘着性物質で固定するという方法が考案されているが、一般的に粘着性物質は、接着塗布時や、剥がす時の糸引きが激しいために著しく使用性に劣ることや、工業的に接着剤を塗布する場合にも機械設定が難しい等の問題点がある。また、粘着性物質は油性の物質が使用されるためホットメルト型接着剤でも親油疎油の問題で接着強度が異なるといった問題も生じる。 In addition, a method of fixing with a sticky substance for re-adhesion has been devised, but in general, sticky substances are remarkably inferior in usability due to severe stringing at the time of adhesive application and peeling. Also, there are problems such as difficult machine setting even when an adhesive is applied industrially. Further, since an oily substance is used as the sticky substance, there is a problem that even a hot melt adhesive has different adhesive strength due to the problem of lipophilicity.
他の再接着方法については、入れ歯安定剤のような真空を利用した一時的固定方法があるが、この方法では、接着面の平滑性に依存するため表面がザラついている場合には、真空の部分が少ないため充分な接着性が得られない。この場合充分な密着性を得るには、接着剤本体を非常に低粘性にする必要があるため接着剤本体の変形のため充分な接着強度が得られないという結果になる。
解決しようとする問題点は、一度接着したものを剥がしても再接着が可能であり、親油疎油面でも接着強度が同様であり、比較的低強度の一時的または、交換を前提とした接着及び固定に対応した組成物を提供することである。 The problem to be solved is that it can be re-adhered even if it is peeled off once adhered, and the adhesive strength is the same even on the oleophilic and oleophobic surface. It is to provide a composition corresponding to bonding and fixing.
上記の課題を解決すべく本発明者らは鋭意検討を重ねた結果、ポリブテンと共に12−ヒドロキシステアリン酸を含有することで得られた組成物を加温溶解後、接着剤として使用することにより、再接着が可能であり、プラスチックと金属のような親油、疎油面でも接着強度が従来の接着剤と同様である、比較的低強度の接着、固定に対応した接着剤組成物が得られること、そして、糸引きが少なく再接着時の使用性が良好で、機械設定が容易な組成物であるという特徴を有することも合わせて見出し本発明の完成に至った。 As a result of intensive studies to solve the above-mentioned problems, the inventors of the present invention obtained a composition obtained by containing 12-hydroxystearic acid together with polybutene by heating and then using it as an adhesive. Adhesive composition that can be re-adhered and can be bonded and fixed with relatively low strength, which has the same adhesive strength as conventional adhesives even on lipophilic and oleophobic surfaces such as plastic and metal. In addition, the inventors have found that the composition is characterized in that it has a characteristic that it is a composition with little threading, good usability during re-adhesion, and easy machine setting.
本発明の特徴は、通常のホットメルト型接着剤のような室温では、固体の樹脂による接着と異なり、非硬化型の接着であるため室温で再接着可能であるということである。本組発明の組成物は加温溶解後の冷却によりゲル化しているため固化しているが、本来は液状のため再接着の外力によりゲルが一部崩壊し液状化することで接着効果を得ることができる。従って、製品を輸送容器から本容器へ移す場合や、建築、工作での仮止め等の一時的な固定や、あらかじめ交換が予定されている部品の固定などに有用な接着剤を広く提供できる。 The feature of the present invention is that it is non-curing type adhesion at room temperature unlike ordinary hot-melt adhesives, so that it can be re-adhered at room temperature. The composition of the present invention is solidified because it is gelled by cooling after heating and melting, but since it is originally liquid, the gel partially disintegrates and liquefies due to the external force of re-adhesion to obtain an adhesive effect be able to. Therefore, it is possible to provide a wide range of adhesives useful for transferring a product from a transport container to a main container, temporary fixing such as temporary fixing in construction and work, and fixing parts scheduled to be replaced in advance.
本発明に使用されるポリブテンは、イソブチレンと若干のブテン−1を共重合して得られる共重合体であれば特に限定はされない、日本食品添加物協会出版「食品添加物公定書第7版」収載のポリブテンであれは好ましい。 The polybutene used in the present invention is not particularly limited as long as it is a copolymer obtained by copolymerizing isobutylene and a small amount of butene-1, published by the Japan Food Additives Association "Food Additives Official Version 7". The listed polybutene is preferred.
また、本発明に使用されるポリブテンの含有量は、20〜80重量部が必要である。ポリブテンの含有量が20重量部未満であると、得られるホットメルト型接着剤組成物の低温接着力や柔軟性及び再接着性等が充分向上せず、80重量部を超えると、ゲル化剤である12−ヒドロキシステアリン酸の溶解性が低下し全体的に均一なゲル化が得られず糸引き性を改善することができず使用性が低下する。 Further, the content of polybutene used in the present invention needs to be 20 to 80 parts by weight. When the content of polybutene is less than 20 parts by weight, the low-temperature adhesive force, flexibility, re-adhesion and the like of the obtained hot melt adhesive composition are not sufficiently improved. Thus, the solubility of 12-hydroxystearic acid is lowered, and uniform gelation cannot be obtained as a whole, so that the stringiness cannot be improved and the usability is lowered.
本発明で使用される12−ヒドロキシステアリン酸は、とくに限定されるものではなく、薬事日報社発行の「化粧品種別配合成分規格」収載のヒドロキシステアリン酸等を用いる事が出来る。 The 12-hydroxystearic acid used in the present invention is not particularly limited, and hydroxystearic acid and the like listed in “Cosmetic Variety-Specific Ingredients” published by Yakuji Nippo Inc. can be used.
また、本発明に使用される12−ヒドロキシステアリン酸の含有量は、0.1〜10重量部が必要であり、さらに好ましくは、1〜5重量部である。12−ヒドロキシステアリン酸の含有量が0.1重量部未満であると、得られる本発明のホットメルト型接着剤組成物のゲル化が不十分であり、ポリブテンの糸引き性が強くあらわれ使用性が低下する。逆に10重量部を超えると、ゲル化が強く発現し再接着効果が得られない。 Moreover, 0.1-10 weight part is required for content of 12-hydroxystearic acid used for this invention, More preferably, it is 1-5 weight part. When the content of 12-hydroxystearic acid is less than 0.1 parts by weight, the resulting hot-melt adhesive composition of the present invention is insufficiently gelled, and the stringiness of polybutene appears strongly, so that it can be used. Decreases. Conversely, if it exceeds 10 parts by weight, gelation is strongly developed and the re-adhesion effect cannot be obtained.
また、本発明には、接着強度調整剤として配合される油性成分であるオイル及び/又はワックスは、特に限定されるわけではないが、12−ヒドロキシステアリン酸とポリブテンの相溶性に問題がなければ配合可能で、植物油としては、オリーブ油、ホホバ油、ヒマシ油、コメヌカ油、ヤシ油など、動物油としては、スクワラン、牛脂、ラノリンなど、合成油としては、シリコン油、ポリイソブテン、ポリイソプレン、脂肪酸エステル、脂肪酸グリセリンなど、ロウとして、ミツロウ、モクロウ、キャンデリラロウ、カルナウバロウなど、炭化水素としては、流動パラフィン、セレシン、マイクロクリスタリンワックス、ワセリンなど、高級アルコールとしては、セタノール、ステアリルアルコール、オクチルドデカノールなど、高級脂肪酸としては、イソステアリン酸、ラウリン酸、ミリスチン酸、オレイン酸などがあげられる。相溶性に問題があった場合は、ホットメルト法で接着した後に接着面に油性成分がブリードしはく離するといった現象が発生する。 In the present invention, the oil and / or wax, which is an oil component to be blended as an adhesive strength modifier, is not particularly limited, but there is no problem with the compatibility of 12-hydroxystearic acid and polybutene. Vegetable oils such as olive oil, jojoba oil, castor oil, rice bran oil, coconut oil, animal oils such as squalane, beef tallow and lanolin, synthetic oils such as silicon oil, polyisobutene, polyisoprene, fatty acid ester, Fatty acid glycerin, etc. as waxes, beeswax, mole, candelilla wax, carnauba wax, etc., hydrocarbons as liquid paraffin, ceresin, microcrystalline wax, petrolatum, etc., higher alcohols as cetanol, stearyl alcohol, octyldodecanol, etc. Higher fatty acids Is then, isostearic acid, lauric acid, myristic acid, and oleic acid. When there is a problem in compatibility, a phenomenon occurs in which the oil component bleeds and peels off the bonded surface after bonding by the hot melt method.
また、本発明品は、長時間加温する場合には、酸化防止剤を配合することが可能である。配合される酸化防止剤は、ジブチルヒドロキシトルエン、ブチルヒドロキシアニソール、トコフェロールなどが例示される。 The product of the present invention can be blended with an antioxidant when heated for a long time. Examples of the antioxidant to be blended include dibutylhydroxytoluene, butylhydroxyanisole, tocopherol and the like.
本発明のホットメルト型接着剤組成物の製造方法は、特別なものではなく、例えば、所定量の前記各種配合成分を加熱装置及び攪拌装置を備えた混合機中に投入し、常法により溶融攪拌し均一に混合することにより、所望のホットメルト型接着剤組成物を容易に得ることが出来る。 The method for producing the hot-melt adhesive composition of the present invention is not special. For example, a predetermined amount of the above-mentioned various blended components are put into a mixer equipped with a heating device and a stirring device, and melted by a conventional method. By stirring and mixing uniformly, a desired hot-melt adhesive composition can be easily obtained.
以下に実施例を示して本発明について具体的に説明するが、これによって本発明の技術的範囲が限定的に解釈されるべきものではない。なお、以下の表に示す組成物の配合量は総て重量%で示す。 EXAMPLES The present invention will be specifically described below with reference to examples, but the technical scope of the present invention should not be construed as being limited thereto. In addition, all the compounding quantities of the composition shown in the following table | surface are shown by weight%.
〔評価〕
以下の2 段階で評価を行った。
○ ・・・ 良い , × ・・・ 悪い
[Evaluation]
The evaluation was performed in the following two stages.
○ ・ ・ ・ Good, × ・ ・ ・ Bad
実施例および比較例については、常法に従い加熱混合し試料を得た。なお、使用した原料は、日本石油化学株式会社製 ホリブテン HV−1900、川研ファインケミカル社製 12−ヒドロキシステアリン酸、米国Witco社製 カーネーション#70、日興リカ株式会社製 セレシン 810である。 About the Example and the comparative example, it heat-mixed according to the conventional method, and obtained the sample. In addition, the used raw material is Nippon Petrochemical Co., Ltd. Holyten HV-1900, Kawaken Fine Chemical Co., Ltd. 12-hydroxystearic acid, American Witco Co., Ltd. carnation # 70, Nikko Rica Co., Ltd. ceresin 810.
上記試料をもちいて高密度ポリエチレン製プレートとアルミニウム製プレートを接着し評価を行った。なお、アルミニウム製プレートの表面は、アルマイト加工がなされている。接着方法は、試料を90℃に加熱し高密度ポリエチレンプレート上に0.4g滴下し、アルミプレートで抑えて直径1cmの円形に試料がなるようにする。各試料につき5サンプル作成し接着強度および再接着可能かどうか、糸引き性がなく使用性が良好かどうかの評価を行った。接着強度の測定方法は、接着後20℃にて4時間保管した後、FUDO社製 レオメーター NRM−2002Jを用いて高密度ポリエチレン製プレートとアルミニウム製プレートを剥がす際の荷重を測定した。そのときにアルミニウム製プレートに残存した試料の重量を測定しその残存率の計算を行った。なお、残存率に関しては50%に近いものがポリエチレンのようなプラスチックとアルミニウムのような金属での異素材の接着に関して差異がなく良好な結果と思われる。 Using the above sample, a high-density polyethylene plate and an aluminum plate were bonded and evaluated. The surface of the aluminum plate is anodized. In the bonding method, the sample is heated to 90 ° C., and 0.4 g is dropped on a high-density polyethylene plate, and the sample is held by an aluminum plate so that the sample becomes a circle having a diameter of 1 cm. Five samples were prepared for each sample, and evaluated whether the adhesive strength and re-adhesion were possible, and whether there was no stringiness and good usability. The adhesive strength was measured by storing the load at 20 ° C. for 4 hours after bonding, and then measuring the load when peeling the high-density polyethylene plate and the aluminum plate using a rheometer NRM-2002J manufactured by FUDO. At that time, the weight of the sample remaining on the aluminum plate was measured, and the residual ratio was calculated. Regarding the remaining rate, a value close to 50% seems to be a good result with no difference in the adhesion of different materials between a plastic such as polyethylene and a metal such as aluminum.
上記の評価の結果、実施例1〜5については、再接着性が良好でいと引きがなく使用性もよい目的とする組成物であった。比較例1については、基本的接着性能を司るポリブテンの配合が少ないため接着力、再接着性が不良であった。また、アルミニウムプレート側に油分がブリードする現象が見られた。比較例2については、ポリブテンが多すぎるため糸引きが激しく使用性に難があった。比較例3については、12−ヒドロキシステアリン酸の配合がなされていないため糸引きが激しくかつ、アルミニウムプレートへの残存率が低く再接着効果が得られなかった。比較例4については、激しくゲル化しているため、剥がしたときにどちらかの側にほとんどの試料がついてしまったり、外力によるゲルの崩壊が起こらなかったりして安定した再接着性が得られなかった。 As a result of the above evaluation, Examples 1 to 5 were intended compositions with good re-adhesiveness and no drag and good usability. About Comparative Example 1, since there were few compounding of the polybutene which governs basic adhesion performance, adhesive force and re-adhesiveness were bad. In addition, a phenomenon of oil bleeding on the aluminum plate side was observed. In Comparative Example 2, since there was too much polybutene, stringing was severe and the usability was difficult. In Comparative Example 3, since 12-hydroxystearic acid was not blended, stringing was severe, the residual rate on the aluminum plate was low, and the re-adhesion effect was not obtained. About Comparative Example 4, since it gelled violently, most of the samples were attached to either side when peeled, or the gel did not collapse due to external force, and stable re-adhesiveness could not be obtained. It was.
通常の金皿固定ノリは、セレシン、ポリブテン、パラフィン油などの混合物または、上記混合物に変性でんぷんなどを加えたものを、自作または、市販品として購入され使用されている。通常の金皿ノリもホットメルト法で使用されていおり金皿の固定に関しては、コンパクト容器または、入れ替え用容器に加温溶解したノリを吐出しその後、化粧品バルクが充填されたアルミニウム製または、ステンレス製の金皿をおき、自然冷却して固化、接着する。通常の金皿固定ノリでは、入れ替えるときに金皿にノリがほとんど残存せず安定した再接着性を得ることができない。そして、本発明で得られた金皿ノリ組成物をホットメルト法で使用した場合、安定した再接着力が得られた。また、透明性が良好であるため金皿裏の印字の確認性が良好であった。 Conventional gold pan-fixed pastes are used as a self-made or commercially available mixture of ceresin, polybutene, paraffin oil or the like, or a mixture obtained by adding modified starch to the above mixture. Ordinary metal pans are also used in the hot melt method. For fixing the metal pan, aluminum or stainless steel filled with bulk cosmetics is discharged after discharging the heated paste into a compact container or replacement container. Place a metal pan, and cool and solidify by natural cooling. With an ordinary metal pan fixing ladle, when replacing, the ladle hardly remains on the metal pan, and stable re-adhesiveness cannot be obtained. And when the gold-plated ladle composition obtained by this invention was used by the hot-melt method, the stable re-adhesion force was obtained. Moreover, since the transparency was good, the confirmation of printing on the back of the metal pan was good.
本接着剤組成物を、仮止めを行う部品にあらかじめ塗布しておくと、なんども再接着が行えるので利便性の高いものであった。 When this adhesive composition was applied in advance to a part to be temporarily fixed, it was highly convenient because it could be re-adhered at any time.
本交換部品固定用ノリ組成物は、輸送中の部品の傷つき、紛失が発生しないため利便性の高いものであった。 This paste composition for fixing a replacement part is highly convenient because the parts being transported are not damaged or lost.
本発明は、産業上のさまざまな分野に利用可能であり、たとえば日用品を保管、輸送容器から本容器へ移す場合の接着や、建築、工作での仮止め等の一時的な固定や、あらかじめ交換が予定されている部品の固定などに有用でありその他の分野でも利用される可能性がある。
The present invention can be used in various industrial fields, for example, when daily goods are stored and transported from the transport container to the main container, temporary fixing such as temporary fixing in construction and work, or replacement in advance. This is useful for fixing parts that are scheduled to be used in other fields.
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Citations (5)
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JPS63230270A (en) * | 1987-03-17 | 1988-09-26 | Nippon Genma:Kk | Temporary adhesive agent for soldering |
JPH0873826A (en) * | 1994-09-01 | 1996-03-19 | Mitsui Toatsu Chem Inc | Hot-melt adhesive composition |
JPH08269417A (en) * | 1995-03-29 | 1996-10-15 | Sekisui Chem Co Ltd | Hot melt adhesive composition |
JPH10168417A (en) * | 1996-12-11 | 1998-06-23 | Sekisui Chem Co Ltd | Hot-melt adhesive |
JP2002003340A (en) * | 2000-06-20 | 2002-01-09 | Pola Chem Ind Inc | Oil-gel cosmetic of good gloss |
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JPS63230270A (en) * | 1987-03-17 | 1988-09-26 | Nippon Genma:Kk | Temporary adhesive agent for soldering |
JPH0873826A (en) * | 1994-09-01 | 1996-03-19 | Mitsui Toatsu Chem Inc | Hot-melt adhesive composition |
JPH08269417A (en) * | 1995-03-29 | 1996-10-15 | Sekisui Chem Co Ltd | Hot melt adhesive composition |
JPH10168417A (en) * | 1996-12-11 | 1998-06-23 | Sekisui Chem Co Ltd | Hot-melt adhesive |
JP2002003340A (en) * | 2000-06-20 | 2002-01-09 | Pola Chem Ind Inc | Oil-gel cosmetic of good gloss |
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